/* roulang page: index */
:root {
            --primary: #14232E;
            --primary-light: #1F3544;
            --accent: #FF5A3C;
            --accent-hover: #E5482F;
            --ice: #3EC6D8;
            --ice-light: #E8F7F9;
            --bg-warm: #F7F5F0;
            --bg-deep: #14232E;
            --text-dark: #1A1A1A;
            --text-light: #F7F5F0;
            --text-muted: #6B7280;
            --text-muted-dark: #A0AEB8;
            --border-light: #E2DED6;
            --border-dark: rgba(255, 255, 255, 0.15);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(20, 35, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(20, 35, 46, 0.14);
            --shadow-card: 0 4px 16px rgba(20, 35, 46, 0.08);
            --transition-fast: 150ms ease;
            --transition-smooth: 250ms ease;
            --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --spacing-section-desktop: 80px;
            --spacing-section-mobile: 48px;
            --header-height: 64px;
            --header-height-mobile: 56px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-dark);
            background-color: #FFFFFF;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: var(--primary);
            transition: color var(--transition-fast);
        }

        a:hover,
        a:focus {
            color: var(--accent);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--ice);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.5;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--ice);
            outline-offset: 2px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 0.5em;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
        }

        p {
            margin: 0 0 1.25em;
        }

        .container,
        .grid-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        @media (min-width: 768px) {
            .container,
            .grid-container {
                padding: 0 32px;
            }
        }

        @media (min-width: 1200px) {
            .container,
            .grid-container {
                padding: 0 40px;
            }
        }

        /* ========== TOP HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            height: var(--header-height);
            box-shadow: 0 1px 0 rgba(20, 35, 46, 0.06);
            transition: box-shadow var(--transition-smooth), height var(--transition-fast);
            display: flex;
            align-items: center;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(20, 35, 46, 0.1);
            height: var(--header-height);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }

        @media (min-width: 768px) {
            .header-inner {
                padding: 0 32px;
            }
        }

        @media (min-width: 1200px) {
            .header-inner {
                padding: 0 40px;
            }
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--primary);
            flex-shrink: 0;
        }

        .brand-logo:hover,
        .brand-logo:focus {
            color: var(--primary);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }

        .logo-icon::before {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            background: var(--ice);
            clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
            bottom: -3px;
            left: 50%;
            transform: translateX(-50%);
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            width: 8px;
            height: 8px;
            background: #FFFFFF;
            border-radius: 50%;
            top: 7px;
            left: 50%;
            transform: translateX(-50%);
            box-shadow: -4px 3px 0 rgba(255, 255, 255, 0.35);
        }

        .logo-text {
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: -0.02em;
            color: var(--primary);
            white-space: nowrap;
        }

        .main-nav {
            display: none;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .main-nav a.nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--primary);
            text-decoration: none;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav a.nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: width var(--transition-fast);
        }

        .main-nav a.nav-link:hover::after,
        .main-nav a.nav-link:focus::after,
        .main-nav a.nav-link.active::after {
            width: 20px;
        }

        .main-nav a.nav-link:hover,
        .main-nav a.nav-link:focus {
            color: var(--primary);
            background: rgba(20, 35, 46, 0.04);
        }

        .main-nav a.nav-link.active {
            color: var(--accent);
            font-weight: 600;
        }

        .header-cta {
            display: none;
            flex-shrink: 0;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: var(--accent);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            text-decoration: none;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 2px 8px rgba(255, 90, 60, 0.25);
            white-space: nowrap;
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(255, 90, 60, 0.35);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 11px 23px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            text-decoration: none;
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-secondary-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: transparent;
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-sm);
            padding: 11px 23px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            text-decoration: none;
            transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .btn-secondary-light:hover,
        .btn-secondary-light:focus {
            background: rgba(255, 255, 255, 0.15);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        .hamburger {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
            transform-origin: center;
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .hamburger.open span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(20, 35, 46, 0.6);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

        .mobile-nav-overlay.show {
            opacity: 1;
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #FFFFFF;
            z-index: 1001;
            padding: 32px 24px 48px;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .mobile-drawer .mobile-nav-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer .mobile-nav-list a {
            display: block;
            padding: 16px 12px;
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            border-bottom: 1px solid var(--border-light);
            transition: color var(--transition-fast), background var(--transition-fast);
            border-radius: var(--radius-sm);
        }

        .mobile-drawer .mobile-nav-list a:hover,
        .mobile-drawer .mobile-nav-list a:focus {
            color: var(--accent);
            background: rgba(255, 90, 60, 0.04);
        }

        .mobile-drawer .mobile-nav-list a.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        .mobile-drawer .mobile-cta {
            margin-top: 32px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .mobile-drawer .btn-primary,
        .mobile-drawer .btn-secondary {
            width: 100%;
            justify-content: center;
            padding: 16px 24px;
            font-size: 1.1rem;
        }

        @media (min-width: 1024px) {
            .main-nav {
                display: flex;
            }
            .header-cta {
                display: inline-flex;
            }
            .hamburger {
                display: none;
            }
            .mobile-drawer,
            .mobile-nav-overlay {
                display: none !important;
            }
        }

        @media (max-width: 1023px) {
            .main-nav {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-drawer {
                display: block;
            }
            .mobile-nav-overlay {
                display: block;
            }
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: var(--spacing-section-mobile) 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: var(--spacing-section-desktop) 0;
            }
        }

        .section-sm {
            padding: 40px 0;
        }

        @media (min-width: 768px) {
            .section-sm {
                padding: 56px 0;
            }
        }

        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            position: relative;
            display: inline-block;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: -20px;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 32px;
            background: var(--accent);
            border-radius: 2px;
        }

        @media (max-width: 639px) {
            .section-title::before {
                left: -12px;
                height: 24px;
            }
        }

        .section-title.light {
            color: #FFFFFF;
        }

        .section-title.light::before {
            background: var(--ice);
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.7;
            max-width: 680px;
        }

        .section-subtitle.light {
            color: var(--text-muted-dark);
        }

        .text-center {
            text-align: center;
        }

        /* ========== HERO ========== */
        .hero-section {
            min-height: 80vh;
            display: flex;
            align-items: center;
            position: relative;
            background: var(--bg-deep);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 64px 0 72px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 35, 46, 0.92) 0%, rgba(20, 35, 46, 0.75) 40%, rgba(20, 35, 46, 0.55) 100%);
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -120px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(62, 198, 216, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 1;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-countdown-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            background: rgba(20, 35, 46, 0.7);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            margin-bottom: 32px;
            backdrop-filter: blur(10px);
        }

        .hero-countdown-text {
            color: #FFFFFF;
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        .hero-countdown-text strong {
            color: var(--ice);
            font-weight: 700;
        }

        .countdown-timer {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .countdown-timer .time-block {
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            text-align: center;
            min-width: 52px;
        }

        .countdown-timer .time-block .time-num {
            font-size: 1.4rem;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.2;
        }

        .countdown-timer .time-block .time-label {
            font-size: 0.7rem;
            color: var(--text-muted-dark);
            letter-spacing: 0.05em;
        }

        .countdown-separator {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--ice);
        }

        .hero-main-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        @media (max-width: 1023px) {
            .hero-main-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        .hero-text h1 {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin-bottom: 20px;
        }

        .hero-text h1 .highlight {
            color: var(--ice);
            position: relative;
        }

        .hero-text h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 6px;
            background: var(--accent);
            border-radius: 3px;
            opacity: 0.7;
            transform: skewX(-15deg);
        }

        .hero-text .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-cta-group .btn-secondary-light {
            white-space: nowrap;
        }

        .hero-flash-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 28px;
            backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
        }

        .hero-flash-card::before {
            content: '限时抢购';
            position: absolute;
            top: 16px;
            right: -32px;
            background: var(--accent);
            color: #FFFFFF;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 36px;
            transform: rotate(35deg);
            letter-spacing: 0.08em;
        }

        .hero-flash-card .flash-tag {
            display: inline-block;
            background: var(--ice);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.05em;
        }

        .hero-flash-card h3 {
            font-size: 1.4rem;
            color: #FFFFFF;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .hero-flash-card .flash-meta {
            display: flex;
            gap: 16px;
            color: var(--text-muted-dark);
            font-size: 0.85rem;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .hero-flash-card .flash-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .hero-flash-card .flash-price {
            display: flex;
            align-items: baseline;
            gap: 12px;
            margin-bottom: 20px;
        }

        .hero-flash-card .flash-price .current {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
        }

        .hero-flash-card .flash-price .original {
            font-size: 1rem;
            color: var(--text-muted-dark);
            text-decoration: line-through;
        }

        .hero-flash-card .flash-stock {
            width: 100%;
            height: 8px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .hero-flash-card .flash-stock-bar {
            width: 35%;
            height: 100%;
            background: linear-gradient(90deg, var(--ice), var(--accent));
            border-radius: 4px;
            transition: width 0.4s ease;
        }

        .hero-flash-card .flash-stock-text {
            font-size: 0.82rem;
            color: var(--text-muted-dark);
            margin-bottom: 20px;
        }

        .hero-flash-card .btn-primary {
            width: 100%;
            font-size: 1.05rem;
            padding: 14px 24px;
            justify-content: center;
        }

        /* ========== PAIN POINTS ========== */
        .pain-section {
            background: var(--bg-warm);
        }

        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        @media (max-width: 1023px) {
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 639px) {
            .pain-grid {
                grid-template-columns: 1fr;
            }
        }

        .pain-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .pain-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .pain-card.wide {
            grid-column: span 2;
        }

        @media (max-width: 639px) {
            .pain-card.wide {
                grid-column: span 1;
            }
        }

        .pain-card .pain-number {
            font-size: 3rem;
            font-weight: 700;
            color: rgba(20, 35, 46, 0.1);
            position: absolute;
            top: 8px;
            right: 20px;
            line-height: 1;
        }

        .pain-card .pain-icon {
            width: 48px;
            height: 48px;
            background: rgba(62, 198, 216, 0.12);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.3rem;
            margin-bottom: 16px;
        }

        .pain-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .pain-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ========== SOLUTIONS ========== */
        .solution-section {
            background: #FFFFFF;
        }

        .solution-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--bg-warm);
            border-radius: var(--radius-md);
            padding: 40px;
            margin-bottom: 32px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-fast);
        }

        .solution-card:hover {
            box-shadow: var(--shadow-hover);
        }

        @media (max-width: 1023px) {
            .solution-card {
                grid-template-columns: 1fr;
                padding: 28px 24px;
                gap: 24px;
            }
        }

        .solution-card .solution-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .solution-card .solution-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .solution-card:hover .solution-image img {
            transform: scale(1.03);
        }

        .solution-card .solution-body h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .solution-card .solution-body p {
            font-size: 0.98rem;
            color: var(--text-dark);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .solution-card .solution-body .solution-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        .solution-card .solution-body .solution-tags .tag {
            display: inline-block;
            background: rgba(62, 198, 216, 0.1);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.02em;
        }

        /* ========== METRICS ========== */
        .metrics-section {
            background: var(--bg-deep);
            position: relative;
            overflow: hidden;
        }

        .metrics-section::before {
            content: '';
            position: absolute;
            top: -100px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(62, 198, 216, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .metrics-section::after {
            content: '';
            position: absolute;
            bottom: -120px;
            right: -60px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(255, 90, 60, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        @media (max-width: 1023px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 639px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }

        .metric-item .metric-num {
            font-size: clamp(2.2rem, 5vw, 3.2rem);
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .metric-item .metric-num .metric-suffix {
            color: var(--ice);
        }

        .metric-item .metric-label {
            font-size: 0.92rem;
            color: var(--text-muted-dark);
            margin-top: 8px;
        }

        .metrics-note {
            text-align: center;
            color: var(--text-muted-dark);
            font-size: 0.85rem;
            margin-top: 32px;
            position: relative;
            z-index: 2;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-section {
            background: var(--bg-warm);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 24px;
            margin-top: 32px;
        }

        @media (max-width: 1023px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        .testimonial-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition-fast);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .testimonial-card .quote-mark {
            font-size: 3rem;
            color: rgba(62, 198, 216, 0.3);
            line-height: 1;
            margin-bottom: 8px;
            font-family: serif;
        }

        .testimonial-card .quote-text {
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--text-dark);
            line-height: 1.8;
            margin-bottom: 20px;
            font-style: italic;
        }

        .testimonial-card .quote-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-card .quote-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .testimonial-card .quote-author-info .author-name {
            font-weight: 600;
            color: var(--primary);
            font-size: 0.95rem;
        }

        .testimonial-card .quote-author-info .author-title {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .testimonial-stack {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .testimonial-stack .testimonial-card {
            padding: 24px;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-section {
            background: #FFFFFF;
        }

        .deep-section.alt {
            background: var(--bg-warm);
        }

        .deep-content-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        @media (max-width: 1023px) {
            .deep-content-wrapper {
                grid-template-columns: 1fr;
            }
        }

        .deep-content-wrapper .deep-text {
            font-size: 0.98rem;
            line-height: 1.85;
            color: var(--text-dark);
        }

        .deep-content-wrapper .deep-text h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            margin: 24px 0 12px;
        }

        .deep-content-wrapper .deep-text p {
            margin-bottom: 16px;
        }

        .deep-content-wrapper .deep-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .deep-content-wrapper .deep-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-section {
            background: linear-gradient(135deg, rgba(20, 35, 46, 0.03) 0%, rgba(62, 198, 216, 0.06) 100%);
            border-top: 2px solid var(--ice);
            border-bottom: 2px solid rgba(62, 198, 216, 0.15);
            padding: 56px 0;
        }

        .brand-intro-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .brand-intro-content p {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-dark);
            margin-bottom: 16px;
        }

        .brand-intro-content p:last-child {
            margin-bottom: 0;
        }

        /* ========== NEWS ========== */
        .news-section {
            background: #FFFFFF;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 32px;
        }

        @media (max-width: 1023px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        .news-item {
            display: flex;
            gap: 20px;
            background: var(--bg-warm);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            align-items: flex-start;
        }

        .news-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .news-date-badge {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 64px;
            min-width: 64px;
            height: 64px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            color: #FFFFFF;
            line-height: 1;
            flex-shrink: 0;
        }

        .news-date-badge .day {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--ice);
        }

        .news-date-badge .month {
            font-size: 0.78rem;
            font-weight: 500;
            color: #FFFFFF;
            opacity: 0.8;
        }

        .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-content .news-summary {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .news-content .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--accent);
            text-decoration: none;
            transition: gap var(--transition-fast), color var(--transition-fast);
        }

        .news-content .read-more:hover,
        .news-content .read-more:focus {
            color: var(--accent-hover);
            gap: 10px;
        }

        .news-content .read-more i {
            font-size: 0.8rem;
        }

        /* ========== ENTRY MATRIX ========== */
        .entry-matrix-section {
            background: var(--bg-warm);
        }

        .entry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 32px;
        }

        @media (max-width: 1023px) {
            .entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 639px) {
            .entry-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
        }

        .entry-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px 16px;
            text-decoration: none;
            color: var(--primary);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        }

        .entry-item:hover,
        .entry-item:focus {
            border-color: var(--ice);
            box-shadow: var(--shadow-hover);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .entry-item .entry-icon {
            width: 56px;
            height: 56px;
            background: rgba(62, 198, 216, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .entry-item .entry-name {
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--primary);
        }

        .entry-item .entry-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== CONTENT CALENDAR ========== */
        .calendar-section {
            background: #FFFFFF;
        }

        .calendar-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin-top: 32px;
        }

        @media (max-width: 1023px) {
            .calendar-wrapper {
                grid-template-columns: 1fr;
            }
        }

        .calendar-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .calendar-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg-warm);
            border-radius: var(--radius-sm);
            border-left: 4px solid var(--ice);
            transition: background var(--transition-fast);
        }

        .calendar-item:hover {
            background: #F0ECE4;
        }

        .calendar-item .cal-date {
            font-weight: 700;
            color: var(--accent);
            font-size: 1.1rem;
            min-width: 50px;
        }

        .calendar-item .cal-title {
            flex: 1;
            font-weight: 500;
            color: var(--primary);
            font-size: 0.92rem;
        }

        .calendar-item .cal-type {
            font-size: 0.78rem;
            color: var(--text-muted);
            padding: 3px 10px;
            background: #FFFFFF;
            border-radius: 20px;
            white-space: nowrap;
        }

        .calendar-reminder {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-md);
            padding: 32px;
            color: #FFFFFF;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .calendar-reminder h3 {
            color: #FFFFFF;
            font-size: 1.3rem;
            margin-bottom: 12px;
        }

        .calendar-reminder p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        /* ========== FLASH ENTRY ========== */
        .flash-entry-section {
            background: linear-gradient(120deg, var(--primary) 0%, #1F3544 50%, #2A4A5E 100%);
            position: relative;
            overflow: hidden;
        }

        .flash-entry-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 90, 60, 0.18) 0%, transparent 70%);
            border-radius: 50%;
        }

        .flash-entry-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .flash-entry-content .flash-text h2 {
            color: #FFFFFF;
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            margin-bottom: 8px;
        }

        .flash-entry-content .flash-text p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 0;
            font-size: 1rem;
        }

        /* ========== PRICING ========== */
        .pricing-section {
            background: var(--bg-warm);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
            align-items: stretch;
        }

        @media (max-width: 1023px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 500px;
                margin-left: auto;
                margin-right: auto;
            }
        }

        .pricing-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            position: relative;
        }

        .pricing-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .pricing-card.featured {
            border: 2px solid var(--accent);
            box-shadow: 0 8px 32px rgba(255, 90, 60, 0.18);
        }

        .pricing-card .pricing-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--accent);
            color: #FFFFFF;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.05em;
        }

        .pricing-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .pricing-card .pricing-price {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 6px;
        }

        .pricing-card .pricing-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .pricing-card .pricing-features {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            flex: 1;
        }

        .pricing-card .pricing-features li {
            font-size: 0.9rem;
            color: var(--text-dark);
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pricing-card .pricing-features li i {
            color: var(--ice);
            font-size: 0.85rem;
        }

        .pricing-card .btn-primary,
        .pricing-card .btn-secondary {
            width: 100%;
            justify-content: center;
        }

        /* ========== BRAND STORY ========== */
        .brand-story-section {
            background: #FFFFFF;
        }

        .brand-story-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        @media (max-width: 1023px) {
            .brand-story-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .brand-story-content .story-text {
            font-size: 1rem;
            line-height: 1.85;
            color: var(--text-dark);
        }

        .brand-story-content .story-text h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            margin-top: 20px;
        }

        .brand-story-content .story-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .brand-story-content .story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-warm);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            margin-top: 32px;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item.active {
            border-color: var(--ice);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 24px;
            background: transparent;
            border: none;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary);
            text-align: left;
            gap: 16px;
            transition: background var(--transition-fast);
        }

        .faq-question:hover,
        .faq-question:focus {
            background: rgba(62, 198, 216, 0.06);
        }

        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: rgba(62, 198, 216, 0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: var(--primary);
            transition: transform var(--transition-fast);
        }

        .faq-item.active .faq-toggle {
            transform: rotate(180deg);
            background: var(--ice);
            color: #FFFFFF;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease;
        }

        .faq-answer p {
            padding: 0 24px 20px;
            margin-bottom: 0;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* ========== FINAL CTA ========== */
        .final-cta-section {
            background: linear-gradient(135deg, var(--accent) 0%, #E5482F 60%, #C4351D 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .final-cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        .final-cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            right: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }

        .final-cta-content {
            position: relative;
            z-index: 2;
        }

        .final-cta-content h2 {
            color: #FFFFFF;
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            margin-bottom: 16px;
        }

        .final-cta-content p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .final-cta-content .btn-secondary-light {
            font-size: 1.05rem;
            padding: 14px 32px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-dark);
        }

        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 639px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
            color: #FFFFFF;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.2rem;
        }

        .footer-brand .footer-logo .logo-icon {
            background: rgba(255, 255, 255, 0.12);
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover,
        .footer-col ul li a:focus {
            color: var(--ice);
        }

        .footer-col .footer-contact-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
        }

        .footer-col .footer-contact-list li i {
            color: var(--ice);
            margin-top: 4px;
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover,
        .footer-bottom a:focus {
            color: var(--ice);
        }

        .footer-bottom .footer-legal {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== ANIMATIONS & MISC ========== */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.5s ease, transform 0.5s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .text-accent {
            color: var(--accent);
        }

        .text-ice {
            color: var(--ice);
        }

        .bg-warm {
            background: var(--bg-warm);
        }

        .bg-white {
            background: #FFFFFF;
        }

        .bg-deep {
            background: var(--bg-deep);
        }

        @media (max-width: 639px) {
            .hero-section {
                min-height: auto;
                padding: 48px 0 56px;
            }
            .hero-countdown-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .hero-main-grid {
                gap: 24px;
            }
            .hero-flash-card {
                padding: 20px;
            }
            .section-title::before {
                left: -10px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #14232E;
            --primary-light: #1F3544;
            --accent: #FF5A3C;
            --accent-hover: #E5482F;
            --ice: #3EC6D8;
            --ice-light: #E8F7F9;
            --bg-warm: #F7F5F0;
            --bg-deep: #14232E;
            --text-dark: #1A1A1A;
            --text-light: #F7F5F0;
            --text-muted: #6B7280;
            --text-muted-dark: #A0AEB8;
            --border-light: #E2DED6;
            --border-dark: rgba(255, 255, 255, 0.15);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(20, 35, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(20, 35, 46, 0.14);
            --shadow-card: 0 4px 16px rgba(20, 35, 46, 0.08);
            --transition-fast: 150ms ease;
            --transition-smooth: 250ms ease;
            --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --spacing-section-desktop: 80px;
            --spacing-section-mobile: 48px;
            --header-height: 64px;
            --header-height-mobile: 56px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-dark);
            background-color: #FFFFFF;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: var(--primary);
            transition: color var(--transition-fast);
        }
        a:hover,
        a:focus {
            color: var(--accent);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--ice);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.5;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--ice);
            outline-offset: 2px;
        }

        .container,
        .grid-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        @media (min-width: 640px) {
            .container,
            .grid-container {
                padding: 0 32px;
            }
        }
        @media (min-width: 1024px) {
            .container,
            .grid-container {
                padding: 0 40px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            height: var(--header-height-mobile);
            box-shadow: 0 1px 0 rgba(20, 35, 46, 0.06);
            transition: box-shadow var(--transition-smooth), height var(--transition-fast);
            display: flex;
            align-items: center;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(20, 35, 46, 0.1);
        }
        @media (min-width: 1024px) {
            .site-header {
                height: var(--header-height);
            }
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }
        @media (min-width: 640px) {
            .header-inner {
                padding: 0 32px;
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 40px;
            }
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--primary);
            flex-shrink: 0;
        }
        .brand-logo:hover,
        .brand-logo:focus {
            color: var(--primary);
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }
        .logo-icon::before {
            content: '';
            position: absolute;
            width: 13px;
            height: 13px;
            background: var(--ice);
            clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
            bottom: -3px;
            left: 50%;
            transform: translateX(-50%);
        }
        .logo-icon::after {
            content: '';
            position: absolute;
            width: 7px;
            height: 7px;
            background: #FFFFFF;
            border-radius: 50%;
            top: 6px;
            left: 50%;
            transform: translateX(-50%);
            box-shadow: -4px 3px 0 rgba(255, 255, 255, 0.35);
        }
        .logo-text {
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: -0.02em;
            color: var(--primary);
            white-space: nowrap;
        }
        @media (min-width: 1024px) {
            .logo-text {
                font-size: 1.2rem;
            }
            .logo-icon {
                width: 36px;
                height: 36px;
            }
        }

        .main-nav {
            display: none;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        @media (min-width: 1024px) {
            .main-nav {
                display: flex;
            }
        }
        .main-nav a.nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 11px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--primary);
            text-decoration: none;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }
        .main-nav a.nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
            transition: width var(--transition-fast);
        }
        .main-nav a.nav-link:hover::after,
        .main-nav a.nav-link:focus::after {
            width: 60%;
        }
        .main-nav a.nav-link.active {
            color: var(--ice);
            font-weight: 600;
        }
        .main-nav a.nav-link.active::after {
            width: 70%;
            background: var(--ice);
        }
        .main-nav a.nav-link:hover,
        .main-nav a.nav-link:focus {
            color: var(--accent);
            background: rgba(255, 90, 60, 0.04);
        }

        .header-cta {
            display: none;
            background: var(--accent);
            color: #FFFFFF;
            padding: 9px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            border: 0;
            cursor: pointer;
        }
        .header-cta:hover,
        .header-cta:focus {
            background: var(--accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(255, 90, 60, 0.3);
        }
        @media (min-width: 1024px) {
            .header-cta {
                display: inline-flex;
                align-items: center;
                gap: 6px;
            }
        }

        .mobile-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            color: var(--primary);
            cursor: pointer;
            font-size: 1.2rem;
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .mobile-toggle:hover,
        .mobile-toggle:focus {
            background: var(--primary);
            color: #FFFFFF;
        }
        @media (min-width: 1024px) {
            .mobile-toggle {
                display: none;
            }
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: min(320px, 85vw);
            height: 100vh;
            background: #FFFFFF;
            z-index: 2000;
            transition: right var(--transition-smooth);
            box-shadow: -8px 0 32px rgba(20, 35, 46, 0.16);
            display: flex;
            flex-direction: column;
            padding: 20px 24px 32px;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
        }
        .mobile-drawer-close {
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .mobile-drawer-close:hover {
            background: var(--primary);
            color: #FFFFFF;
        }
        .mobile-drawer a.mobile-nav-link {
            display: block;
            padding: 14px 4px;
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--primary);
            border-bottom: 1px solid var(--border-light);
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }
        .mobile-drawer a.mobile-nav-link:hover,
        .mobile-drawer a.mobile-nav-link.active {
            color: var(--accent);
            padding-left: 10px;
        }
        .mobile-drawer .mobile-cta {
            margin-top: 24px;
            background: var(--accent);
            color: #FFFFFF;
            padding: 14px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            text-align: center;
            font-size: 1rem;
            border: 0;
            cursor: pointer;
            transition: background var(--transition-fast);
        }
        .mobile-drawer .mobile-cta:hover {
            background: var(--accent-hover);
            color: #FFFFFF;
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(20, 35, 46, 0.5);
            z-index: 1500;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }
        .drawer-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        /* ========== SECTION TITLES ========== */
        .section-pad {
            padding: var(--spacing-section-mobile) 0;
        }
        @media (min-width: 1024px) {
            .section-pad {
                padding: var(--spacing-section-desktop) 0;
            }
        }
        .section-title-wrap {
            margin-bottom: 36px;
            max-width: 720px;
        }
        .section-title-wrap.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-title-wrap h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin: 0 0 10px;
            position: relative;
            padding-left: 16px;
        }
        .section-title-wrap h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 4px;
            height: calc(100% - 12px);
            background: var(--accent);
            border-radius: 2px;
        }
        .section-title-wrap.center h2::before {
            left: 50%;
            transform: translateX(-50%);
            width: 32px;
            height: 3px;
            top: auto;
            bottom: -8px;
        }
        .section-title-wrap .section-sub {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 8px;
        }
        .section-title-wrap.center .section-sub {
            margin-top: 16px;
        }

        /* ========== CATEGORY HERO ========== */
        .cat-hero {
            position: relative;
            min-height: 45vh;
            display: flex;
            align-items: center;
            background: var(--bg-deep);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 35, 46, 0.92) 0%, rgba(20, 35, 46, 0.75) 50%, rgba(20, 35, 46, 0.55) 100%);
        }
        .cat-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .cat-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 12px;
            letter-spacing: -0.02em;
        }
        .cat-hero .cat-hero-sub {
            font-size: 1.05rem;
            color: rgba(247, 245, 240, 0.85);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .cat-hero .breadcrumb-line {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(247, 245, 240, 0.6);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .cat-hero .breadcrumb-line a {
            color: var(--ice);
            transition: color var(--transition-fast);
        }
        .cat-hero .breadcrumb-line a:hover {
            color: #FFFFFF;
        }
        .cat-hero .breadcrumb-line .sep {
            color: rgba(247, 245, 240, 0.4);
        }

        /* ========== PAIN POINTS ========== */
        .pain-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin-top: 32px;
        }
        @media (min-width: 640px) {
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .pain-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 24px;
            }
        }
        .pain-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            position: relative;
        }
        .pain-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .pain-card .pain-num {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.08em;
            margin-bottom: 8px;
            display: block;
        }
        .pain-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .pain-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.65;
        }

        /* ========== SOLUTION SPLIT ========== */
        .solution-block {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            margin-bottom: 48px;
        }
        @media (min-width: 1024px) {
            .solution-block {
                grid-template-columns: 1fr 1fr;
                align-items: center;
                gap: 48px;
            }
            .solution-block.reverse {
                direction: rtl;
            }
            .solution-block.reverse > * {
                direction: ltr;
            }
        }
        .solution-block:last-child {
            margin-bottom: 0;
        }
        .solution-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 16 / 10;
            background: var(--bg-warm);
        }
        .solution-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .solution-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 12px;
            letter-spacing: -0.01em;
        }
        .solution-text p {
            font-size: 0.98rem;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .solution-text .tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 14px;
        }
        .solution-text .tag {
            background: var(--ice-light);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid rgba(62, 198, 216, 0.25);
        }

        /* ========== SERVICE CARD WALL ========== */
        .service-wall {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin-top: 32px;
        }
        @media (min-width: 640px) {
            .service-wall {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (min-width: 1024px) {
            .service-wall {
                grid-template-columns: repeat(3, 1fr);
                gap: 28px;
            }
        }
        .service-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .service-card .card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-warm);
        }
        .service-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .service-card:hover .card-img img {
            transform: scale(1.04);
        }
        .service-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .service-card .card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 14px;
            flex: 1;
        }
        .service-card .card-body .card-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }
        .service-card .read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast), gap var(--transition-fast);
        }
        .service-card .read-more i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }
        .service-card .read-more:hover {
            color: var(--accent-hover);
            gap: 7px;
        }
        .service-card .read-more:hover i {
            transform: translateX(3px);
        }

        /* ========== METRICS ========== */
        .metrics-section {
            background: var(--bg-deep);
            padding: var(--spacing-section-mobile) 0;
        }
        @media (min-width: 1024px) {
            .metrics-section {
                padding: var(--spacing-section-desktop) 0;
            }
        }
        .metrics-section .section-title-wrap h2 {
            color: #FFFFFF;
        }
        .metrics-section .section-title-wrap h2::before {
            background: var(--accent);
        }
        .metrics-section .section-title-wrap .section-sub {
            color: var(--text-muted-dark);
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 32px;
        }
        @media (min-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 28px;
            }
        }
        .metric-item {
            text-align: center;
            padding: 24px 16px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-dark);
            transition: background var(--transition-fast);
        }
        .metric-item:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .metric-num {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            color: var(--ice);
            letter-spacing: -0.02em;
            margin-bottom: 4px;
            line-height: 1.2;
        }
        .metric-label {
            font-size: 0.88rem;
            color: var(--text-muted-dark);
            font-weight: 500;
        }

        /* ========== PROCESS STEPS ========== */
        .process-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin-top: 32px;
        }
        @media (min-width: 640px) {
            .process-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 24px;
            }
        }
        .process-step {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
        }
        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .process-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--ice-light);
            color: var(--primary);
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 12px;
            border: 1px solid rgba(62, 198, 216, 0.3);
        }
        .process-step h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin: 0 0 8px;
        }
        .process-step p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.65;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-warm);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            background: #FFFFFF;
            border: 0;
            width: 100%;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--ice-light);
        }
        .faq-question .faq-toggle {
            font-size: 0.85rem;
            color: var(--ice);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-toggle {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 240px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--accent);
            padding: var(--spacing-section-mobile) 0;
            position: relative;
            overflow: hidden;
        }
        @media (min-width: 1024px) {
            .cta-section {
                padding: 56px 0;
            }
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 320px;
            height: 320px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -50%;
            left: -5%;
            width: 260px;
            height: 260px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 16px;
        }
        .cta-inner h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #FFFFFF;
            margin: 0;
            letter-spacing: -0.02em;
        }
        .cta-inner p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 560px;
            margin: 0;
        }
        .cta-inner .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            margin-top: 8px;
        }
        .btn-primary-white {
            background: #FFFFFF;
            color: var(--accent);
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            border: 0;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-primary-white:hover {
            background: #F0EDE6;
            color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }
        .btn-outline-white {
            background: transparent;
            color: #FFFFFF;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            border: 1px solid rgba(255, 255, 255, 0.6);
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-outline-white:hover {
            background: #FFFFFF;
            color: var(--primary);
            border-color: #FFFFFF;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-deep);
            color: var(--text-muted-dark);
            padding: 48px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border-dark);
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1.3fr;
                gap: 40px;
            }
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #FFFFFF;
            text-decoration: none;
            margin-bottom: 14px;
        }
        .footer-brand .footer-logo .logo-icon {
            background: var(--accent);
        }
        .footer-brand .footer-logo span:last-child {
            font-weight: 700;
            font-size: 1.15rem;
            color: #FFFFFF;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: var(--text-muted-dark);
            max-width: 380px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #FFFFFF;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-muted-dark);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--ice);
        }
        .footer-contact-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted-dark);
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .footer-contact-list i {
            color: var(--ice);
            font-size: 0.8rem;
            margin-top: 4px;
            width: 14px;
            text-align: center;
            flex-shrink: 0;
        }
        .footer-bottom {
            padding: 18px 0 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            align-items: center;
            text-align: center;
        }
        @media (min-width: 1024px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
                text-align: left;
            }
        }
        .footer-legal {
            font-size: 0.8rem;
            color: var(--text-muted-dark);
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            justify-content: center;
        }
        .footer-legal a {
            color: var(--text-muted-dark);
            transition: color var(--transition-fast);
        }
        .footer-legal a:hover {
            color: var(--ice);
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
        }
        .footer-bottom-links a {
            color: var(--text-muted-dark);
            transition: color var(--transition-fast);
        }
        .footer-bottom-links a:hover {
            color: var(--ice);
        }
        .footer-bottom-links .sep {
            color: rgba(255, 255, 255, 0.25);
        }

        /* ========== MISC ========== */
        .bg-warm {
            background: var(--bg-warm);
        }
        .bg-white {
            background: #FFFFFF;
        }
        .text-muted {
            color: var(--text-muted);
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mb-0 {
            margin-bottom: 0;
        }

        /* ========== RESPONSIVE FINE-TUNE ========== */
        @media (max-width: 639px) {
            .solution-block {
                gap: 20px;
            }
            .service-wall {
                gap: 16px;
            }
            .metric-num {
                font-size: 1.5rem;
            }
            .faq-question {
                font-size: 0.92rem;
                padding: 14px 16px;
            }
            .faq-answer p {
                font-size: 0.85rem;
            }
        }
        @media (min-width: 640px) and (max-width: 1023px) {
            .service-wall {
                grid-template-columns: repeat(2, 1fr);
            }
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

/* roulang page: category1 */
:root {
            --primary: #14232E;
            --primary-light: #1F3544;
            --accent: #FF5A3C;
            --accent-hover: #E5482F;
            --ice: #3EC6D8;
            --ice-light: #E8F7F9;
            --bg-warm: #F7F5F0;
            --bg-deep: #14232E;
            --text-dark: #1A1A1A;
            --text-light: #F7F5F0;
            --text-muted: #6B7280;
            --text-muted-dark: #A0AEB8;
            --border-light: #E2DED6;
            --border-dark: rgba(255, 255, 255, 0.15);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(20, 35, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(20, 35, 46, 0.14);
            --shadow-card: 0 4px 16px rgba(20, 35, 46, 0.08);
            --transition-fast: 150ms ease;
            --transition-smooth: 250ms ease;
            --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --spacing-section-desktop: 80px;
            --spacing-section-mobile: 48px;
            --header-height: 64px;
            --header-height-mobile: 56px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            box-sizing: border-box;
        }
        *,
        *::before,
        *::after {
            box-sizing: inherit;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-dark);
            background-color: #FFFFFF;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: var(--primary);
            transition: color var(--transition-fast);
        }
        a:hover,
        a:focus {
            color: var(--accent);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--ice);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.5;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--ice);
            outline-offset: 2px;
        }

        .container,
        .grid-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        @media (min-width: 640px) {
            .container,
            .grid-container {
                padding: 0 32px;
            }
        }
        @media (min-width: 1024px) {
            .container,
            .grid-container {
                padding: 0 40px;
            }
        }

        /* ========== TOP HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            height: var(--header-height);
            box-shadow: 0 1px 0 rgba(20, 35, 46, 0.06);
            transition: box-shadow var(--transition-smooth), height var(--transition-fast);
            display: flex;
            align-items: center;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(20, 35, 46, 0.1);
            height: var(--header-height);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }
        @media (min-width: 640px) {
            .header-inner {
                padding: 0 32px;
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 40px;
            }
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--primary);
            flex-shrink: 0;
        }
        .brand-logo:hover,
        .brand-logo:focus {
            color: var(--primary);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }
        .logo-icon::before {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            background: var(--ice);
            clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
            bottom: -3px;
            left: 50%;
            transform: translateX(-50%);
        }
        .logo-icon::after {
            content: '';
            position: absolute;
            width: 8px;
            height: 8px;
            background: #FFFFFF;
            border-radius: 50%;
            top: 7px;
            left: 50%;
            transform: translateX(-50%);
            box-shadow: -4px 3px 0 rgba(255, 255, 255, 0.35);
        }
        .logo-text {
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: -0.02em;
            color: var(--primary);
            white-space: nowrap;
        }

        .main-nav {
            display: none;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .main-nav a.nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--primary);
            text-decoration: none;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }
        .main-nav a.nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: width var(--transition-smooth);
        }
        .main-nav a.nav-link:hover,
        .main-nav a.nav-link:focus {
            color: var(--primary);
            background: var(--ice-light);
        }
        .main-nav a.nav-link:hover::after,
        .main-nav a.nav-link:focus::after {
            width: 60%;
        }
        .main-nav a.nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .main-nav a.nav-link.active::after {
            width: 60%;
            background: var(--ice);
        }

        .header-cta {
            display: none;
            flex-shrink: 0;
        }
        .header-cta .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--accent);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }
        .header-cta .btn-primary:hover,
        .header-cta .btn-primary:focus {
            background: var(--accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }

        .menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            color: var(--primary);
            cursor: pointer;
            transition: background var(--transition-fast), border-color var(--transition-fast);
            flex-shrink: 0;
        }
        .menu-toggle:hover,
        .menu-toggle:focus {
            background: var(--ice-light);
            border-color: var(--ice);
            outline: none;
        }
        .menu-toggle i {
            font-size: 1.25rem;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 100%;
            max-width: 360px;
            background: #FFFFFF;
            z-index: 1100;
            transform: translateX(100%);
            transition: transform var(--transition-smooth);
            box-shadow: -8px 0 32px rgba(20, 35, 46, 0.16);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-light);
        }
        .drawer-close {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            color: var(--primary);
            cursor: pointer;
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }
        .drawer-close:hover,
        .drawer-close:focus {
            background: var(--ice-light);
            border-color: var(--ice);
            outline: none;
        }
        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 16px 20px;
        }
        .drawer-nav a.nav-link {
            display: block;
            padding: 14px 16px;
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--primary);
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .drawer-nav a.nav-link:hover,
        .drawer-nav a.nav-link:focus {
            background: var(--ice-light);
            color: var(--primary);
            outline: none;
        }
        .drawer-nav a.nav-link.active {
            color: var(--ice);
            background: var(--ice-light);
        }
        .drawer-cta {
            padding: 16px 20px 28px;
        }
        .drawer-cta .btn-primary {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            padding: 14px 24px;
            font-size: 1.1rem;
            font-weight: 600;
            background: var(--accent);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }
        .drawer-cta .btn-primary:hover,
        .drawer-cta .btn-primary:focus {
            background: var(--accent-hover);
            transform: translateY(-1px);
            outline: none;
        }
        .drawer-backdrop {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(20, 35, 46, 0.55);
            z-index: 1050;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
        }
        .drawer-backdrop.show {
            opacity: 1;
            visibility: visible;
        }

        @media (min-width: 1024px) {
            .main-nav {
                display: flex;
            }
            .header-cta {
                display: block;
            }
            .menu-toggle {
                display: none;
            }
            .mobile-drawer,
            .drawer-backdrop {
                display: none;
            }
        }

        /* ========== BUTTONS ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--accent);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            outline: none;
        }
        .btn-primary i {
            transition: transform var(--transition-fast);
        }
        .btn-primary:hover i,
        .btn-primary:focus i {
            transform: translateX(4px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--primary);
            color: #FFFFFF;
            transform: translateY(-2px);
            outline: none;
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
            transform: translateY(-2px);
            outline: none;
        }

        .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--accent);
            transition: color var(--transition-fast), gap var(--transition-fast);
            text-decoration: none;
        }
        .read-more-link:hover,
        .read-more-link:focus {
            color: var(--accent-hover);
            gap: 10px;
            outline: none;
        }
        .read-more-link i {
            font-size: 0.85rem;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--spacing-section-mobile) 0;
        }
        @media (min-width: 1024px) {
            .section {
                padding: var(--spacing-section-desktop) 0;
            }
        }
        .section-heading {
            margin-bottom: 32px;
        }
        @media (min-width: 1024px) {
            .section-heading {
                margin-bottom: 48px;
            }
        }
        .section-heading h2 {
            font-size: clamp(1.75rem, 3vw, 2.25rem);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            margin: 0 0 12px;
            position: relative;
            padding-left: 16px;
            line-height: 1.3;
        }
        .section-heading h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.2em;
            bottom: 0.2em;
            width: 4px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-heading p {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin: 0;
            max-width: 680px;
            line-height: 1.7;
        }
        .section-heading.centered {
            text-align: center;
        }
        .section-heading.centered h2 {
            padding-left: 0;
        }
        .section-heading.centered h2::before {
            display: none;
        }
        .section-heading.centered h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            margin: 14px auto 0;
        }
        .section-heading.centered p {
            margin: 0 auto;
        }

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            position: relative;
            min-height: 45vh;
            display: flex;
            align-items: center;
            background: var(--bg-deep);
            background-image: linear-gradient(135deg, rgba(20, 35, 46, 0.93) 0%, rgba(20, 35, 46, 0.78) 55%, rgba(20, 35, 46, 0.62) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: linear-gradient(90deg, var(--accent) 0%, var(--ice) 50%, var(--accent) 100%);
        }
        .category-hero-inner {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 56px 0 64px;
        }
        .category-hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted-dark);
            margin-bottom: 20px;
        }
        .category-hero-breadcrumb a {
            color: var(--ice);
            font-weight: 500;
        }
        .category-hero-breadcrumb a:hover,
        .category-hero-breadcrumb a:focus {
            color: #FFFFFF;
        }
        .category-hero-breadcrumb i {
            font-size: 0.7rem;
            color: var(--text-muted-dark);
        }
        .category-hero h1 {
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: -0.02em;
            margin: 0 0 16px;
            line-height: 1.15;
        }
        .category-hero h1 .highlight {
            color: var(--accent);
        }
        .category-hero .hero-subtitle {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: var(--text-muted-dark);
            max-width: 560px;
            line-height: 1.7;
            margin: 0;
        }
        .category-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 28px;
        }

        /* ========== FEATURES / SELLING POINTS ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }
        @media (min-width: 640px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }
        @media (min-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 32px;
            }
        }
        .feature-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth), border-color var(--transition-smooth);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--ice);
        }
        .feature-card .feature-icon {
            width: 48px;
            height: 48px;
            background: var(--ice-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--ice);
            font-size: 1.25rem;
            margin-bottom: 16px;
        }
        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 10px;
            line-height: 1.4;
        }
        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== SCENARIOS ========== */
        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .scenario-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
        }
        .scenario-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }
        .scenario-item .scenario-badge {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .scenario-item .scenario-text {
            flex: 1;
        }
        .scenario-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 6px;
        }
        .scenario-item p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== PROCESS ========== */
        .process-track {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 640px) {
            .process-track {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (min-width: 1024px) {
            .process-track {
                grid-template-columns: repeat(4, 1fr);
                gap: 28px;
            }
        }
        .process-step {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            position: relative;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
        }
        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .process-step .step-num {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 14px;
        }
        .process-step h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 8px;
        }
        .process-step p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.65;
        }

        /* ========== CONTENT CARDS ========== */
        .content-card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }
        @media (min-width: 640px) {
            .content-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }
        @media (min-width: 1024px) {
            .content-card-grid {
                gap: 32px;
            }
        }
        .content-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .content-card .card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-warm);
            position: relative;
        }
        .content-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .content-card:hover .card-img img {
            transform: scale(1.05);
        }
        .content-card .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(20, 35, 46, 0.85);
            color: #FFFFFF;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }
        .content-card .card-body {
            padding: 20px 20px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .content-card .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 10px;
            line-height: 1.4;
        }
        .content-card .card-body .card-summary {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0 0 16px;
            flex: 1;
        }
        .content-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
            margin-top: auto;
        }
        .content-card .card-date {
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .content-card .card-date i {
            font-size: 0.75rem;
            color: var(--ice);
        }

        .content-card.wide-card {
            grid-column: 1 / -1;
            flex-direction: row;
        }
        @media (max-width: 639px) {
            .content-card.wide-card {
                flex-direction: column;
            }
        }
        .content-card.wide-card .card-img {
            width: 44%;
            flex-shrink: 0;
            aspect-ratio: auto;
            min-height: 220px;
        }
        @media (max-width: 639px) {
            .content-card.wide-card .card-img {
                width: 100%;
                aspect-ratio: 16 / 9;
                min-height: 0;
            }
        }
        .content-card.wide-card .card-body {
            flex: 1;
            padding: 28px 28px 28px;
        }
        .content-card.wide-card .card-body h3 {
            font-size: 1.4rem;
        }
        .content-card.wide-card .card-body .card-summary {
            font-size: 1rem;
        }

        /* ========== STATS BAR ========== */
        .stats-band {
            background: var(--bg-deep);
            padding: 40px 0;
            border-radius: var(--radius-lg);
            margin-top: 32px;
        }
        .stats-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            text-align: center;
        }
        @media (min-width: 1024px) {
            .stats-row {
                grid-template-columns: repeat(4, 1fr);
                gap: 32px;
            }
        }
        .stat-item .stat-number {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            color: var(--ice);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted-dark);
            margin-top: 6px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--ice);
            box-shadow: var(--shadow-sm);
        }
        .faq-item.open {
            border-color: var(--ice);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 18px 20px;
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .faq-question:hover,
        .faq-question:focus {
            color: var(--accent);
            background: var(--ice-light);
            outline: none;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: transform var(--transition-smooth), background var(--transition-fast), color var(--transition-fast);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            background: var(--ice);
            color: #FFFFFF;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            position: relative;
            background: var(--bg-deep);
            padding: 56px 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: var(--ice);
            opacity: 0.08;
            border-radius: 50%;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 260px;
            height: 260px;
            background: var(--accent);
            opacity: 0.07;
            border-radius: 50%;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--text-light);
            margin: 0 0 14px;
            line-height: 1.3;
        }
        .cta-inner p {
            font-size: 1.05rem;
            color: var(--text-muted-dark);
            margin: 0 0 28px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        /* ========== POPULAR TAGS ========== */
        .popular-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            padding: 8px 0;
        }
        .popular-tags .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--primary);
            cursor: pointer;
            transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
        }
        .popular-tags .tag-chip:hover,
        .popular-tags .tag-chip:focus {
            background: var(--ice-light);
            border-color: var(--ice);
            color: var(--primary);
            transform: translateY(-2px);
            outline: none;
        }
        .popular-tags .tag-chip i {
            font-size: 0.7rem;
            color: var(--ice);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-deep);
            color: var(--text-muted-dark);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-dark);
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
                gap: 40px;
            }
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-light);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 16px;
            text-decoration: none;
        }
        .footer-brand .footer-logo:hover,
        .footer-brand .footer-logo:focus {
            color: var(--ice);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted-dark);
            line-height: 1.75;
            margin: 0;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-light);
            margin: 0 0 16px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-muted-dark);
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }
        .footer-col ul li a:hover,
        .footer-col ul li a:focus {
            color: var(--ice);
            padding-left: 4px;
            outline: none;
        }
        .footer-contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-muted-dark);
        }
        .footer-contact-list li i {
            color: var(--ice);
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }
        .footer-bottom {
            padding: 20px 0 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .footer-legal {
            font-size: 0.85rem;
            color: var(--text-muted-dark);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }
        .footer-legal a {
            color: var(--text-muted-dark);
            font-size: 0.85rem;
        }
        .footer-legal a:hover,
        .footer-legal a:focus {
            color: var(--ice);
            outline: none;
        }
        .footer-legal .separator {
            color: var(--border-dark);
        }

        /* ========== RESPONSIVE EXTRA ========== */
        @media (max-width: 639px) {
            .category-hero {
                min-height: 40vh;
            }
            .category-hero-inner {
                padding: 40px 0 48px;
            }
            .category-hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .cta-section {
                padding: 40px 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (min-width: 640px) and (max-width: 1023px) {
            .category-hero {
                min-height: 42vh;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

/* roulang page: category2 */
/* ========== 设计系统：变量 ========== */
    :root {
        --primary: #14232E;
        --primary-light: #1F3544;
        --accent: #FF5A3C;
        --accent-hover: #E5482F;
        --ice: #3EC6D8;
        --ice-light: #E8F7F9;
        --ice-dark: #1E8999;
        --bg-warm: #F7F5F0;
        --bg-deep: #14232E;
        --bg-soft: #FAFAF8;
        --text-dark: #1A1A1A;
        --text-light: #F7F5F0;
        --text-muted: #6B7280;
        --text-muted-dark: #A0AEB8;
        --border-light: #E2DED6;
        --border-dark: rgba(255, 255, 255, 0.15);
        --radius-sm: 4px;
        --radius-md: 8px;
        --radius-lg: 12px;
        --shadow-sm: 0 2px 8px rgba(20, 35, 46, 0.06);
        --shadow-hover: 0 8px 24px rgba(20, 35, 46, 0.14);
        --shadow-card: 0 4px 16px rgba(20, 35, 46, 0.08);
        --transition-fast: 150ms ease;
        --transition-smooth: 250ms ease;
        --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        --spacing-section-desktop: 80px;
        --spacing-section-mobile: 48px;
        --header-height: 64px;
        --header-height-mobile: 56px;
    }

    /* ========== 基础 Reset / Base ========== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        margin: 0;
        padding: 0;
        font-family: var(--font-stack);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text-dark);
        background-color: #FFFFFF;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    a {
        text-decoration: none;
        color: var(--primary);
        transition: color var(--transition-fast);
    }

    a:hover,
    a:focus {
        color: var(--accent);
        outline: none;
    }

    a:focus-visible {
        outline: 2px solid var(--ice);
        outline-offset: 3px;
        border-radius: var(--radius-sm);
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    button,
    input,
    textarea,
    select {
        font-family: var(--font-stack);
        font-size: 1rem;
        line-height: 1.5;
    }

    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible {
        outline: 2px solid var(--ice);
        outline-offset: 2px;
    }

    h1, h2, h3, h4, h5, h6 {
        margin-top: 0;
        font-weight: 700;
        line-height: 1.3;
        color: var(--text-dark);
    }

    h1 {
        font-size: clamp(2.5rem, 5vw, 4.5rem);
        letter-spacing: -0.02em;
    }

    h2 {
        font-size: clamp(1.75rem, 3vw, 2.5rem);
        letter-spacing: -0.01em;
    }

    h3 {
        font-size: 1.25rem;
        letter-spacing: 0.01em;
    }

    p {
        margin-top: 0;
        margin-bottom: 1.5em;
    }

    ul, ol {
        padding-left: 1.5em;
        margin-top: 0;
    }

    /* ========== 容器 ========== */
    .container,
    .grid-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    @media (min-width: 640px) {
        .container,
        .grid-container {
            padding: 0 32px;
        }
    }

    @media (min-width: 1024px) {
        .container,
        .grid-container {
            padding: 0 40px;
        }
    }

    /* ========== 顶部导航 ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: #FFFFFF;
        height: var(--header-height);
        box-shadow: 0 1px 0 rgba(20, 35, 46, 0.06);
        transition: box-shadow var(--transition-smooth), height var(--transition-fast);
        display: flex;
        align-items: center;
    }

    .site-header.scrolled {
        box-shadow: 0 4px 24px rgba(20, 35, 46, 0.1);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
        height: 100%;
        gap: 12px;
    }

    @media (min-width: 640px) {
        .header-inner {
            padding: 0 32px;
        }
    }

    @media (min-width: 1024px) {
        .header-inner {
            padding: 0 40px;
        }
    }

    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        text-decoration: none;
        color: var(--primary);
        flex-shrink: 0;
    }

    .brand-logo:hover,
    .brand-logo:focus {
        color: var(--primary);
    }

    .logo-icon {
        width: 36px;
        height: 36px;
        background: var(--primary);
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        position: relative;
        overflow: hidden;
    }

    .logo-icon::before {
        content: '';
        position: absolute;
        width: 14px;
        height: 14px;
        background: var(--ice);
        clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
        bottom: -3px;
        left: 50%;
        transform: translateX(-50%);
    }

    .logo-icon::after {
        content: '';
        position: absolute;
        width: 8px;
        height: 8px;
        background: #FFFFFF;
        border-radius: 50%;
        top: 7px;
        left: 50%;
        transform: translateX(-50%);
        box-shadow: -4px 3px 0 rgba(255, 255, 255, 0.35);
    }

    .logo-text {
        font-weight: 700;
        font-size: 1.2rem;
        letter-spacing: -0.02em;
        color: var(--primary);
        white-space: nowrap;
    }

    .main-nav {
        display: none;
        align-items: center;
        gap: 6px;
        flex-wrap: nowrap;
    }

    .main-nav a.nav-link {
        display: inline-flex;
        align-items: center;
        padding: 8px 12px;
        font-size: 0.85rem;
        font-weight: 500;
        color: var(--primary);
        text-decoration: none;
        border-radius: var(--radius-sm);
        position: relative;
        transition: color var(--transition-fast), background var(--transition-fast);
        white-space: nowrap;
    }

    .main-nav a.nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 0;
        height: 2px;
        background: var(--accent);
        border-radius: 2px;
        transition: width var(--transition-smooth), transform var(--transition-smooth);
    }

    .main-nav a.nav-link:hover,
    .main-nav a.nav-link:focus {
        color: var(--accent);
        background: rgba(62, 198, 216, 0.06);
    }

    .main-nav a.nav-link:hover::after,
    .main-nav a.nav-link:focus::after {
        width: 60%;
        transform: translateX(-50%);
    }

    .main-nav a.nav-link.active {
        color: var(--primary);
        font-weight: 600;
    }

    .main-nav a.nav-link.active::after {
        width: 60%;
        transform: translateX(-50%);
        background: var(--ice);
    }

    .header-cta {
        display: none;
        align-items: center;
        gap: 8px;
        flex-shrink: 0;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 24px;
        font-weight: 600;
        font-size: 0.92rem;
        border: none;
        border-radius: var(--radius-sm);
        cursor: pointer;
        transition: all var(--transition-fast);
        text-decoration: none;
        line-height: 1.4;
        letter-spacing: 0.01em;
    }

    .btn-primary {
        background: var(--accent);
        color: #FFFFFF;
        box-shadow: 0 2px 8px rgba(255, 90, 60, 0.25);
    }

    .btn-primary:hover,
    .btn-primary:focus {
        background: var(--accent-hover);
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(255, 90, 60, 0.35);
    }

    .btn-primary:active {
        transform: translateY(0);
        box-shadow: 0 2px 8px rgba(255, 90, 60, 0.2);
    }

    .btn-outline {
        background: transparent;
        color: var(--primary);
        border: 1px solid var(--primary);
    }

    .btn-outline:hover,
    .btn-outline:focus {
        background: var(--primary);
        color: #FFFFFF;
        transform: translateY(-2px);
    }

    .btn-outline-light {
        background: transparent;
        color: #FFFFFF;
        border: 1px solid rgba(255, 255, 255, 0.5);
    }

    .btn-outline-light:hover,
    .btn-outline-light:focus {
        background: rgba(255, 255, 255, 0.15);
        color: #FFFFFF;
        border-color: #FFFFFF;
        transform: translateY(-2px);
    }

    .btn-sm {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .btn-lg {
        padding: 14px 32px;
        font-size: 1.05rem;
    }

    .btn-block {
        width: 100%;
    }

    /* 汉堡菜单按钮 */
    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        background: transparent;
        border: none;
        border-radius: var(--radius-sm);
        cursor: pointer;
        color: var(--primary);
        font-size: 1.4rem;
        transition: background var(--transition-fast);
        flex-shrink: 0;
    }

    .nav-toggle:hover {
        background: var(--bg-warm);
    }

    .nav-toggle i {
        pointer-events: none;
    }

    @media (min-width: 1024px) {
        .main-nav {
            display: flex;
        }
        .header-cta {
            display: flex;
        }
        .nav-toggle {
            display: none;
        }
    }

    /* 移动端抽屉菜单 */
    .mobile-nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(20, 35, 46, 0.6);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
    }

    .mobile-nav-overlay.open {
        opacity: 1;
        visibility: visible;
    }

    .mobile-nav-drawer {
        position: fixed;
        top: 0;
        right: -340px;
        width: min(320px, 85vw);
        height: 100vh;
        background: #FFFFFF;
        z-index: 1001;
        display: flex;
        flex-direction: column;
        transition: right var(--transition-smooth);
        box-shadow: -4px 0 24px rgba(20, 35, 46, 0.15);
        overflow-y: auto;
    }

    .mobile-nav-drawer.open {
        right: 0;
    }

    .mobile-nav-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-light);
    }

    .mobile-nav-close {
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: none;
        border-radius: var(--radius-sm);
        color: var(--primary);
        font-size: 1.3rem;
        cursor: pointer;
        transition: background var(--transition-fast);
    }

    .mobile-nav-close:hover {
        background: var(--bg-warm);
    }

    .mobile-nav-body {
        display: flex;
        flex-direction: column;
        padding: 20px;
        gap: 6px;
        flex: 1;
    }

    .mobile-nav-body .nav-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 16px;
        font-size: 1.1rem;
        font-weight: 500;
        color: var(--primary);
        text-decoration: none;
        border-radius: var(--radius-sm);
        transition: background var(--transition-fast), color var(--transition-fast);
    }

    .mobile-nav-body .nav-link:hover,
    .mobile-nav-body .nav-link:focus {
        background: var(--bg-warm);
        color: var(--accent);
    }

    .mobile-nav-body .nav-link.active {
        background: var(--ice-light);
        color: var(--primary);
        font-weight: 600;
    }

    .mobile-nav-cta {
        padding: 20px;
        border-top: 1px solid var(--border-light);
    }

    .mobile-nav-cta .btn {
        width: 100%;
    }

    /* ========== 通用 Section 样式 ========== */
    .section {
        padding: var(--spacing-section-mobile) 0;
    }

    @media (min-width: 1024px) {
        .section {
            padding: var(--spacing-section-desktop) 0;
        }
    }

    .section-dark {
        background: var(--bg-deep);
        color: var(--text-light);
    }

    .section-dark h1,
    .section-dark h2,
    .section-dark h3 {
        color: var(--text-light);
    }

    .section-warm {
        background: var(--bg-warm);
    }

    .section-soft {
        background: var(--bg-soft);
    }

    .section-white {
        background: #FFFFFF;
    }

    .section-title {
        margin-bottom: 12px;
        position: relative;
        padding-left: 16px;
    }

    .section-title::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0.25em;
        width: 4px;
        height: 1.1em;
        background: var(--accent);
        border-radius: 2px;
    }

    .section-subtitle {
        font-size: 1.05rem;
        color: var(--text-muted);
        max-width: 720px;
        margin-bottom: 32px;
        line-height: 1.7;
    }

    @media (min-width: 1024px) {
        .section-subtitle {
            margin-bottom: 48px;
        }
    }

    .section-dark .section-subtitle {
        color: var(--text-muted-dark);
    }

    /* ========== Hero 区域 ========== */
    .hero-section {
        position: relative;
        min-height: 48vh;
        display: flex;
        align-items: center;
        background: var(--bg-deep);
        overflow: hidden;
        padding: 60px 0;
    }

    @media (min-width: 640px) {
        .hero-section {
            min-height: 42vh;
            padding: 72px 0;
        }
    }

    @media (min-width: 1024px) {
        .hero-section {
            min-height: 46vh;
            padding: 80px 0;
        }
    }

    .hero-bg {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
        z-index: 1;
    }

    .hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(20, 35, 46, 0.92) 0%, rgba(20, 35, 46, 0.75) 45%, rgba(20, 35, 46, 0.55) 100%);
        z-index: 2;
    }

    .hero-section .container {
        position: relative;
        z-index: 3;
        width: 100%;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        gap: 20px;
        max-width: 680px;
    }

    @media (min-width: 1024px) {
        .hero-content {
            flex-direction: row;
            align-items: center;
            gap: 48px;
            max-width: 100%;
        }
    }

    .hero-text {
        flex: 1;
    }

    .hero-text h1 {
        font-size: clamp(2rem, 3.5vw, 3.2rem);
        color: #FFFFFF;
        margin-bottom: 16px;
        letter-spacing: -0.01em;
    }

    .hero-text .hero-sub {
        font-size: clamp(1rem, 1.2vw, 1.15rem);
        color: var(--text-muted-dark);
        line-height: 1.8;
        margin-bottom: 24px;
        max-width: 520px;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }

    .hero-side-card {
        flex-shrink: 0;
        width: 100%;
        max-width: 360px;
        background: rgba(255, 255, 255, 0.08);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid var(--border-dark);
        border-radius: var(--radius-lg);
        padding: 24px;
        align-self: flex-start;
    }

    @media (min-width: 1024px) {
        .hero-side-card {
            margin-left: auto;
        }
    }

    .hero-side-card .card-label {
        display: inline-block;
        font-size: 0.7rem;
        text-transform: uppercase;
        letter-spacing: 0.08em;
        font-weight: 600;
        color: var(--ice);
        background: rgba(62, 198, 216, 0.15);
        padding: 4px 12px;
        border-radius: 20px;
        margin-bottom: 12px;
    }

    .hero-side-card h3 {
        color: #FFFFFF;
        font-size: 1.1rem;
        margin-bottom: 8px;
    }

    .hero-side-card p {
        color: var(--text-muted-dark);
        font-size: 0.9rem;
        margin-bottom: 16px;
        line-height: 1.7;
    }

    .hero-side-card .side-card-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .hero-side-card .price-tag {
        color: var(--ice);
        font-weight: 700;
        font-size: 1.1rem;
    }

    /* ========== 卡片通用 ========== */
    .card-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 24px;
    }

    @media (min-width: 640px) {
        .card-grid.two-col {
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
    }

    @media (min-width: 1024px) {
        .card-grid.three-col {
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .card-grid.four-col {
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .card-grid.two-col {
            gap: 32px;
        }
    }

    .card {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        padding: 28px 24px;
        transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        border: 1px solid transparent;
        display: flex;
        flex-direction: column;
    }

    .card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
        border-color: var(--border-light);
    }

    .card-icon {
        width: 48px;
        height: 48px;
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.3rem;
        margin-bottom: 16px;
        background: var(--ice-light);
        color: var(--ice-dark);
        flex-shrink: 0;
    }

    .card h3 {
        margin-bottom: 8px;
        font-size: 1.15rem;
    }

    .card p {
        color: var(--text-muted);
        font-size: 0.94rem;
        line-height: 1.75;
        margin-bottom: 0;
        flex: 1;
    }

    .card .card-link {
        margin-top: 16px;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-weight: 600;
        font-size: 0.9rem;
        color: var(--accent);
        transition: color var(--transition-fast), gap var(--transition-fast);
    }

    .card .card-link i {
        transition: transform var(--transition-fast);
    }

    .card .card-link:hover,
    .card .card-link:focus {
        color: var(--accent-hover);
        gap: 10px;
    }

    .card .card-link:hover i,
    .card .card-link:focus i {
        transform: translateX(4px);
    }

    /* 深色卡片 */
    .card-dark {
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid var(--border-dark);
        color: var(--text-light);
    }

    .card-dark h3 {
        color: #FFFFFF;
    }

    .card-dark p {
        color: var(--text-muted-dark);
    }

    .card-dark .card-icon {
        background: rgba(62, 198, 216, 0.15);
        color: var(--ice);
    }

    /* ========== 标签 / 徽章 ========== */
    .badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 4px 14px;
        font-size: 0.78rem;
        font-weight: 600;
        border-radius: 20px;
        letter-spacing: 0.03em;
        text-decoration: none;
        transition: all var(--transition-fast);
        white-space: nowrap;
    }

    .badge-ice {
        background: var(--ice-light);
        color: var(--ice-dark);
    }

    .badge-accent {
        background: rgba(255, 90, 60, 0.1);
        color: var(--accent);
    }

    .badge-primary {
        background: rgba(20, 35, 46, 0.06);
        color: var(--primary);
    }

    .badge-light {
        background: rgba(255, 255, 255, 0.12);
        color: #FFFFFF;
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .badge:hover,
    .badge:focus {
        filter: brightness(0.95);
    }

    /* ========== 图文交错区块 ========== */
    .split-content {
        display: flex;
        flex-direction: column;
        gap: 32px;
        align-items: center;
    }

    @media (min-width: 1024px) {
        .split-content {
            flex-direction: row;
            gap: 56px;
        }
        .split-content.reverse {
            flex-direction: row-reverse;
        }
    }

    .split-text {
        flex: 1;
        min-width: 0;
    }

    .split-text h2 {
        margin-bottom: 16px;
    }

    .split-text p {
        color: var(--text-muted);
        line-height: 1.85;
    }

    .split-image {
        flex: 1;
        min-width: 0;
    }

    .split-image img {
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-card);
        width: 100%;
        object-fit: cover;
        aspect-ratio: 16/10;
    }

    /* ========== 流程步骤 ========== */
    .steps-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 32px;
    }

    @media (min-width: 640px) {
        .steps-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
    }

    @media (min-width: 1024px) {
        .steps-grid {
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
    }

    .step-item {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        padding: 24px 20px;
        box-shadow: var(--shadow-sm);
        transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        position: relative;
        border-top: 3px solid var(--ice);
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .step-item:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
    }

    .step-number {
        font-size: 2rem;
        font-weight: 800;
        line-height: 1;
        color: var(--ice);
        letter-spacing: -0.03em;
    }

    .step-item h4 {
        font-size: 1rem;
        margin-bottom: 4px;
    }

    .step-item p {
        font-size: 0.88rem;
        color: var(--text-muted);
        margin-bottom: 0;
        line-height: 1.65;
    }

    /* ========== 数据指标 ========== */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        margin-top: 32px;
    }

    @media (min-width: 1024px) {
        .stats-grid {
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
    }

    .stat-block {
        text-align: center;
        padding: 24px 8px;
        border-radius: var(--radius-md);
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid var(--border-dark);
        transition: background var(--transition-fast), transform var(--transition-fast);
    }

    .stat-block:hover {
        background: rgba(255, 255, 255, 0.08);
        transform: translateY(-2px);
    }

    .stat-number {
        font-size: clamp(2.2rem, 3.5vw, 3.2rem);
        font-weight: 800;
        color: var(--ice);
        letter-spacing: -0.02em;
        line-height: 1.1;
        margin-bottom: 4px;
    }

    .stat-label {
        font-size: 0.9rem;
        color: var(--text-muted-dark);
        font-weight: 500;
    }

    /* ========== 证言 ========== */
    .testimonial-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 32px;
    }

    @media (min-width: 1024px) {
        .testimonial-grid {
            grid-template-columns: 1.5fr 1fr;
            gap: 28px;
        }
    }

    .testimonial-main {
        background: #FFFFFF;
        border-radius: var(--radius-lg);
        padding: 32px 28px;
        box-shadow: var(--shadow-card);
        display: flex;
        flex-direction: column;
        gap: 16px;
        border-left: 4px solid var(--accent);
    }

    .testimonial-stack {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .testimonial-card {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        padding: 24px 20px;
        box-shadow: var(--shadow-sm);
        display: flex;
        flex-direction: column;
        gap: 12px;
        transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    }

    .testimonial-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-hover);
    }

    .testimonial-quote {
        font-size: 1.05rem;
        line-height: 1.8;
        color: var(--text-dark);
        font-style: italic;
        position: relative;
        padding-left: 18px;
    }

    .testimonial-quote::before {
        content: '\201C';
        position: absolute;
        left: -4px;
        top: -8px;
        font-size: 2.5rem;
        color: var(--ice);
        font-style: normal;
        opacity: 0.6;
        line-height: 1;
    }

    .testimonial-author {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .testimonial-avatar {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: var(--ice-light);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--ice-dark);
        font-weight: 700;
        font-size: 1rem;
        flex-shrink: 0;
    }

    .testimonial-info .name {
        font-weight: 600;
        font-size: 0.95rem;
        color: var(--text-dark);
    }

    .testimonial-info .role {
        font-size: 0.82rem;
        color: var(--text-muted);
    }

    /* ========== 深度内容 ========== */
    .article-content {
        max-width: 860px;
        margin: 0 auto;
    }

    .article-content h2 {
        margin-bottom: 16px;
    }

    .article-content p {
        line-height: 1.85;
        color: var(--text-dark);
        font-size: 1rem;
    }

    .article-content .article-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        font-size: 0.85rem;
        color: var(--text-muted);
        margin-bottom: 24px;
        padding-bottom: 16px;
        border-bottom: 1px solid var(--border-light);
    }

    .article-content .article-meta span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .article-image {
        margin: 24px 0;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-card);
    }

    .article-image img {
        width: 100%;
        aspect-ratio: 16/8;
        object-fit: cover;
    }

    /* ========== FAQ ========== */
    .faq-list {
        max-width: 800px;
        margin: 32px auto 0;
    }

    .faq-item {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        margin-bottom: 12px;
        overflow: hidden;
        border: 1px solid var(--border-light);
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }

    .faq-item:hover {
        border-color: var(--ice);
        box-shadow: var(--shadow-card);
    }

    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 20px;
        cursor: pointer;
        background: transparent;
        border: none;
        width: 100%;
        text-align: left;
        font-weight: 600;
        font-size: 1rem;
        color: var(--text-dark);
        transition: color var(--transition-fast);
    }

    .faq-question:hover {
        color: var(--accent);
    }

    .faq-question .faq-icon {
        width: 28px;
        height: 28px;
        flex-shrink: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: var(--ice-light);
        color: var(--ice-dark);
        font-size: 0.8rem;
        transition: transform var(--transition-smooth), background var(--transition-fast);
    }

    .faq-item.open .faq-question .faq-icon {
        transform: rotate(180deg);
        background: var(--ice);
        color: #FFFFFF;
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 200ms ease, padding 200ms ease;
        padding: 0 20px;
    }

    .faq-item.open .faq-answer {
        max-height: 400px;
        padding: 0 20px 18px;
    }

    .faq-answer p {
        margin-bottom: 0;
        color: var(--text-muted);
        font-size: 0.92rem;
        line-height: 1.8;
    }

    /* ========== CTA 区块 ========== */
    .cta-section {
        background: var(--bg-deep);
        padding: 56px 0;
        position: relative;
        overflow: hidden;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        top: -25%;
        right: -5%;
        width: 60%;
        height: 150%;
        background: linear-gradient(135deg, rgba(62, 198, 216, 0.15) 0%, transparent 60%);
        z-index: 1;
    }

    .cta-section::after {
        content: '';
        position: absolute;
        bottom: -30%;
        left: -5%;
        width: 50%;
        height: 140%;
        background: linear-gradient(45deg, rgba(255, 90, 60, 0.1) 0%, transparent 50%);
        z-index: 1;
    }

    .cta-section .container {
        position: relative;
        z-index: 2;
        text-align: center;
    }

    .cta-section h2 {
        color: #FFFFFF;
        margin-bottom: 12px;
    }

    .cta-section p {
        color: var(--text-muted-dark);
        max-width: 560px;
        margin: 0 auto 28px;
        line-height: 1.8;
    }

    .cta-actions {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }

    /* ========== 页脚 ========== */
    .site-footer {
        background: #0F1A21;
        color: var(--text-muted-dark);
        padding: 56px 0 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 32px;
        padding-bottom: 40px;
    }

    @media (min-width: 640px) {
        .footer-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
    }

    @media (min-width: 1024px) {
        .footer-grid {
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
        }
    }

    .footer-brand .footer-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        text-decoration: none;
        color: #FFFFFF;
        margin-bottom: 12px;
        font-weight: 700;
        font-size: 1.1rem;
    }

    .footer-brand p {
        font-size: 0.88rem;
        line-height: 1.8;
        color: var(--text-muted-dark);
        margin-bottom: 0;
    }

    .footer-col h4 {
        color: #FFFFFF;
        font-size: 0.95rem;
        margin-bottom: 16px;
        letter-spacing: 0.03em;
        position: relative;
        padding-left: 12px;
    }

    .footer-col h4::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0.2em;
        width: 3px;
        height: 1em;
        background: var(--accent);
        border-radius: 2px;
    }

    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .footer-col ul li {
        margin-bottom: 8px;
    }

    .footer-col ul li a {
        color: var(--text-muted-dark);
        font-size: 0.9rem;
        text-decoration: none;
        transition: color var(--transition-fast), padding-left var(--transition-fast);
    }

    .footer-col ul li a:hover,
    .footer-col ul li a:focus {
        color: var(--ice);
        padding-left: 4px;
    }

    .footer-contact-list li {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        color: var(--text-muted-dark);
        font-size: 0.88rem;
        line-height: 1.6;
    }

    .footer-contact-list li i {
        color: var(--ice);
        margin-top: 4px;
        flex-shrink: 0;
    }

    .footer-bottom {
        border-top: 1px solid var(--border-dark);
        padding: 20px 0;
        display: flex;
        flex-direction: column;
        gap: 12px;
        align-items: center;
        text-align: center;
    }

    @media (min-width: 640px) {
        .footer-bottom {
            flex-direction: row;
            justify-content: space-between;
            text-align: left;
        }
    }

    .footer-legal {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        font-size: 0.82rem;
        color: var(--text-muted-dark);
        align-items: center;
        justify-content: center;
    }

    .footer-legal span {
        white-space: nowrap;
    }

    .footer-links-bottom {
        display: flex;
        gap: 16px;
        font-size: 0.82rem;
        align-items: center;
    }

    .footer-links-bottom a {
        color: var(--text-muted-dark);
        text-decoration: none;
        transition: color var(--transition-fast);
    }

    .footer-links-bottom a:hover,
    .footer-links-bottom a:focus {
        color: var(--ice);
    }

    /* ========== 辅助工具类 ========== */
    .text-accent {
        color: var(--accent);
    }

    .text-ice {
        color: var(--ice-dark);
    }

    .section-dark .text-ice {
        color: var(--ice);
    }

    .text-muted {
        color: var(--text-muted);
    }

    .mt-0 { margin-top: 0; }
    .mt-8 { margin-top: 8px; }
    .mt-12 { margin-top: 12px; }
    .mt-16 { margin-top: 16px; }
    .mt-24 { margin-top: 24px; }
    .mt-32 { margin-top: 32px; }
    .mt-48 { margin-top: 48px; }
    .mb-0 { margin-bottom: 0; }
    .mb-8 { margin-bottom: 8px; }
    .mb-12 { margin-bottom: 12px; }
    .mb-16 { margin-bottom: 16px; }
    .mb-24 { margin-bottom: 24px; }
    .mb-32 { margin-bottom: 32px; }
    .mb-48 { margin-bottom: 48px; }
    .text-center { text-align: center; }
    .flex-center { display: flex; align-items: center; justify-content: center; }
    .gap-8 { gap: 8px; }
    .gap-12 { gap: 12px; }
    .gap-16 { gap: 16px; }

    /* ========== 响应式微调 ========== */
    @media (max-width: 640px) {
        .hero-text h1 {
            font-size: 2rem;
        }
        .hero-section {
            min-height: auto;
            padding: 48px 0;
        }
        .hero-side-card {
            max-width: 100%;
            margin-top: 12px;
        }
        .section-title {
            font-size: 1.5rem;
        }
        .stat-number {
            font-size: 1.8rem;
        }
        .article-content p {
            font-size: 0.95rem;
        }
        .cta-section {
            padding: 40px 0;
        }
        .footer-grid {
            gap: 24px;
        }
    }

    @media (min-width: 640px) and (max-width: 1023px) {
        .hero-section {
            min-height: 40vh;
        }
        .split-content {
            gap: 24px;
        }
        .steps-grid {
            grid-template-columns: repeat(3, 1fr);
        }
    }

    /* Foundation 覆盖 */
    .grid-x.grid-margin-x > .cell {
        margin-bottom: 0;
    }

/* roulang page: category4 */
:root {
            --primary: #14232E;
            --primary-light: #1F3544;
            --accent: #FF5A3C;
            --accent-hover: #E5482F;
            --ice: #3EC6D8;
            --ice-light: #E8F7F9;
            --bg-warm: #F7F5F0;
            --bg-deep: #14232E;
            --text-dark: #1A1A1A;
            --text-light: #F7F5F0;
            --text-muted: #6B7280;
            --text-muted-dark: #A0AEB8;
            --border-light: #E2DED6;
            --border-dark: rgba(255, 255, 255, 0.15);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(20, 35, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(20, 35, 46, 0.14);
            --shadow-card: 0 4px 16px rgba(20, 35, 46, 0.08);
            --transition-fast: 150ms ease;
            --transition-smooth: 250ms ease;
            --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --spacing-section-desktop: 80px;
            --spacing-section-mobile: 48px;
            --header-height: 64px;
            --header-height-mobile: 56px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-dark);
            background-color: #FFFFFF;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: var(--primary);
            transition: color var(--transition-fast);
        }

        a:hover,
        a:focus {
            color: var(--accent);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--ice);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.5;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--ice);
            outline-offset: 2px;
        }

        .container,
        .grid-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        @media (min-width: 1200px) {
            .container,
            .grid-container {
                padding: 0 40px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            height: var(--header-height);
            box-shadow: 0 1px 0 rgba(20, 35, 46, 0.06);
            transition: box-shadow var(--transition-smooth), height var(--transition-fast);
            display: flex;
            align-items: center;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(20, 35, 46, 0.1);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
            height: 100%;
        }

        @media (min-width: 1200px) {
            .header-inner {
                padding: 0 40px;
            }
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--primary);
            flex-shrink: 0;
        }

        .brand-logo:hover,
        .brand-logo:focus {
            color: var(--primary);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }

        .logo-icon::before {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            background: var(--ice);
            clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
            bottom: -3px;
            left: 50%;
            transform: translateX(-50%);
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            width: 8px;
            height: 8px;
            background: #FFFFFF;
            border-radius: 50%;
            top: 7px;
            left: 50%;
            transform: translateX(-50%);
            box-shadow: -4px 3px 0 rgba(255, 255, 255, 0.35);
        }

        .logo-text {
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: -0.02em;
            color: var(--primary);
            white-space: nowrap;
        }

        .main-nav {
            display: none;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .main-nav a.nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--primary);
            text-decoration: none;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav a.nav-link:hover {
            color: var(--accent);
            background: rgba(255, 90, 60, 0.06);
        }

        .main-nav a.nav-link.active {
            color: var(--ice);
        }

        .main-nav a.nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--ice);
            border-radius: 1px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 10px 20px;
            background: var(--accent);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta:hover {
            background: var(--accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-size: 1.2rem;
            color: var(--primary);
            transition: background var(--transition-fast), color var(--transition-fast);
            flex-shrink: 0;
        }

        .menu-toggle:hover {
            background: var(--bg-warm);
        }

        @media (min-width: 1024px) {
            .main-nav {
                display: flex;
            }
            .menu-toggle {
                display: none;
            }
        }

        @media (max-width: 1023px) {
            .nav-cta {
                display: none;
            }
            .main-nav {
                display: none;
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 32px;
                z-index: 999;
                box-shadow: 0 8px 32px rgba(20, 35, 46, 0.16);
                overflow-y: auto;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a.nav-link {
                font-size: 1.5rem;
                padding: 16px 0;
                width: 100%;
                border-bottom: 1px solid var(--border-light);
            }
            .main-nav a.nav-link.active::after {
                left: 0;
                right: auto;
                width: 24px;
            }
            .nav-cta {
                display: inline-flex;
                margin-top: 16px;
                padding: 14px 28px;
                font-size: 1.1rem;
            }
        }

        /* ========== HERO ========== */
        .page-hero {
            position: relative;
            min-height: 45vh;
            display: flex;
            align-items: center;
            background: var(--bg-deep);
            background-image: linear-gradient(135deg, rgba(20, 35, 46, 0.92) 0%, rgba(20, 35, 46, 0.72) 50%, rgba(20, 35, 46, 0.88) 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 72px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--ice), var(--accent), var(--ice));
            opacity: 0.7;
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .page-hero .hero-label {
            display: inline-block;
            background: rgba(62, 198, 216, 0.16);
            color: var(--ice);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            border: 1px solid rgba(62, 198, 216, 0.3);
        }

        .page-hero h1 {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 700;
            color: var(--text-light);
            margin: 0 0 16px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        .page-hero h1 .highlight {
            color: var(--accent);
            position: relative;
        }

        .page-hero .hero-sub {
            font-size: 1.1rem;
            color: var(--text-muted-dark);
            margin: 0 0 28px;
            max-width: 560px;
            line-height: 1.7;
        }

        .page-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--accent);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            color: var(--text-light);
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            text-decoration: none;
            border: 1px solid var(--border-dark);
            cursor: pointer;
            transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.35);
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--spacing-section-desktop) 0;
        }

        @media (max-width: 640px) {
            .section {
                padding: var(--spacing-section-mobile) 0;
            }
        }

        .section-head {
            margin-bottom: 40px;
        }

        .section-head h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 12px;
            letter-spacing: -0.02em;
            line-height: 1.3;
            position: relative;
            padding-left: 18px;
        }

        .section-head h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-head p {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin: 0;
            max-width: 640px;
            line-height: 1.7;
        }

        .section.bg-warm {
            background: var(--bg-warm);
        }

        .section.bg-ice {
            background: var(--ice-light);
        }

        .section.bg-deep {
            background: var(--bg-deep);
        }

        /* ========== CARD GRID ========== */
        .card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            margin-top: 24px;
        }

        @media (min-width: 640px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 28px;
            }
        }

        .content-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-light);
            height: 100%;
        }

        .content-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .content-card .card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: var(--bg-warm);
        }

        .content-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .content-card:hover .card-img img {
            transform: scale(1.05);
        }

        .content-card .card-date {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--ice);
            color: #FFFFFF;
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .content-card .card-body {
            padding: 20px 20px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .content-card .card-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .content-card .card-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin: 0 0 16px;
            line-height: 1.65;
            flex: 1;
        }

        .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--accent);
            text-decoration: none;
            transition: gap var(--transition-fast);
        }

        .read-more-link:hover {
            color: var(--accent-hover);
            gap: 10px;
        }

        .read-more-link i {
            font-size: 0.75rem;
        }

        /* ========== FEATURE / INTRO ========== */
        .intro-block {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            align-items: center;
        }

        @media (min-width: 1024px) {
            .intro-block {
                grid-template-columns: 1fr 1fr;
                gap: 60px;
            }
        }

        .intro-block .intro-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 4 / 3;
        }

        .intro-block .intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .intro-block .intro-text h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--text-dark);
            margin: 0 0 16px;
            line-height: 1.35;
        }

        .intro-block .intro-text p {
            font-size: 1rem;
            color: var(--text-muted);
            margin: 0 0 16px;
            line-height: 1.75;
        }

        /* ========== FEATURE LIST ========== */
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.98rem;
            color: var(--text-dark);
            line-height: 1.6;
        }

        .feature-list li .feature-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: var(--ice-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.9rem;
        }

        /* ========== STAGES / TIMELINE ========== */
        .stage-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 640px) {
            .stage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .stage-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 24px;
            }
        }

        .stage-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .stage-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .stage-card .stage-num {
            position: absolute;
            top: -14px;
            right: -8px;
            font-size: 5rem;
            font-weight: 700;
            color: rgba(20, 35, 46, 0.06);
            line-height: 1;
            user-select: none;
        }

        .stage-card .stage-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: var(--ice);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }

        .stage-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .stage-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== STATS ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px 20px;
            text-align: center;
        }

        @media (min-width: 1024px) {
            .stats-row {
                grid-template-columns: repeat(4, 1fr);
                gap: 32px;
            }
        }

        .stat-item .stat-number {
            font-size: clamp(2.2rem, 4vw, 3.2rem);
            font-weight: 700;
            color: var(--ice);
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 0.92rem;
            color: var(--text-muted-dark);
            font-weight: 500;
        }

        /* ========== TESTIMONIAL ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1.4fr 1fr;
                gap: 24px;
            }
        }

        .testimonial-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition-smooth);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .testimonial-card .quote {
            font-size: 1.05rem;
            color: var(--text-dark);
            line-height: 1.7;
            margin: 0 0 16px;
            padding-left: 16px;
            border-left: 3px solid var(--ice);
        }

        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--ice-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 600;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-info .name {
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text-dark);
        }

        .testimonial-card .author-info .role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-smooth);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            width: 100%;
            transition: background var(--transition-fast);
            gap: 12px;
        }

        .faq-question:hover {
            background: var(--bg-warm);
        }

        .faq-question .faq-toggle-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--ice-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: transform var(--transition-smooth), background var(--transition-fast);
        }

        .faq-item.open .faq-question .faq-toggle-icon {
            transform: rotate(180deg);
            background: var(--ice);
            color: #FFFFFF;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 200ms ease, padding 200ms ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            margin: 0;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-deep);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(62, 198, 216, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 90, 60, 0.12) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-content {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            color: var(--text-light);
            margin: 0 0 12px;
            letter-spacing: -0.02em;
        }

        .cta-content p {
            font-size: 1.05rem;
            color: var(--text-muted-dark);
            margin: 0 0 28px;
            line-height: 1.65;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0F1921;
            color: var(--text-muted-dark);
            padding: 56px 0 0;
            font-size: 0.92rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.6fr 1fr 1fr 1fr;
                gap: 28px;
            }
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .footer-brand .footer-logo:hover {
            color: #FFFFFF;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted-dark);
            line-height: 1.65;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #FFFFFF;
            margin: 0 0 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            color: var(--text-muted-dark);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--ice);
        }

        .footer-contact-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: var(--text-muted-dark);
            font-size: 0.88rem;
            line-height: 1.5;
        }

        .footer-contact-list li i {
            color: var(--ice);
            font-size: 0.85rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .footer-bottom {
            padding: 20px 0 28px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            align-items: center;
            text-align: center;
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
            }
        }

        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 14px;
            align-items: center;
            justify-content: center;
            font-size: 0.82rem;
            color: var(--text-muted-dark);
        }

        .footer-legal a {
            color: var(--text-muted-dark);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-legal a:hover {
            color: var(--ice);
        }

        /* ========== MOBILE NAV OVERLAY ========== */
        @media (max-width: 1023px) {
            .menu-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .main-nav {
                display: none;
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 20px 32px 32px;
                z-index: 999;
                box-shadow: 0 8px 32px rgba(20, 35, 46, 0.16);
                overflow-y: auto;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a.nav-link {
                font-size: 1.35rem;
                padding: 14px 0;
                width: 100%;
                border-bottom: 1px solid var(--border-light);
                border-radius: 0;
            }
            .main-nav a.nav-link.active::after {
                left: 0;
                right: auto;
                width: 24px;
                bottom: -1px;
            }
            .main-nav .nav-cta {
                display: inline-flex;
                margin-top: 20px;
                padding: 14px 28px;
                font-size: 1.05rem;
            }
        }

        @media (min-width: 1024px) {
            .menu-toggle {
                display: none;
            }
            .main-nav {
                display: flex;
            }
            .nav-cta {
                display: inline-flex;
            }
        }

        @media (max-width: 630px) {
            .container,
            .grid-container,
            .header-inner {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #14232E;
            --primary-light: #1F3544;
            --accent: #FF5A3C;
            --accent-hover: #E5482F;
            --ice: #3EC6D8;
            --ice-light: #E8F7F9;
            --bg-warm: #F7F5F0;
            --bg-deep: #14232E;
            --text-dark: #1A1A1A;
            --text-light: #F7F5F0;
            --text-muted: #6B7280;
            --text-muted-dark: #A0AEB8;
            --border-light: #E2DED6;
            --border-dark: rgba(255, 255, 255, 0.15);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(20, 35, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(20, 35, 46, 0.14);
            --shadow-card: 0 4px 16px rgba(20, 35, 46, 0.08);
            --transition-fast: 150ms ease;
            --transition-smooth: 250ms ease;
            --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --spacing-section-desktop: 80px;
            --spacing-section-mobile: 48px;
            --header-height: 64px;
            --header-height-mobile: 56px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-dark);
            background-color: #FFFFFF;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: var(--primary);
            transition: color var(--transition-fast);
        }

        a:hover,
        a:focus {
            color: var(--accent);
            outline: none;
        }

        a:focus-visible {
            outline: 2px solid var(--ice);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.5;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--ice);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .section {
            padding: var(--spacing-section-desktop) 0;
        }

        .section-tight {
            padding: 48px 0;
        }

        .section-deep {
            padding: var(--spacing-section-desktop) 0;
            background: var(--bg-deep);
        }

        .section-warm {
            padding: var(--spacing-section-desktop) 0;
            background: var(--bg-warm);
        }

        .section-ice {
            padding: var(--spacing-section-desktop) 0;
            background: var(--ice-light);
        }

        .section-white {
            padding: var(--spacing-section-desktop) 0;
            background: #FFFFFF;
        }

        /* 标题样式 */
        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--primary);
            margin: 0 0 16px 0;
            line-height: 1.3;
            position: relative;
            padding-left: 18px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-title.centered {
            text-align: center;
            padding-left: 0;
        }

        .section-title.centered::before {
            display: none;
        }

        .section-title.centered::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--accent);
            margin: 12px auto 0;
            border-radius: 2px;
            transform: skewX(-20deg);
        }

        .section-title.light {
            color: var(--text-light);
        }

        .section-title.light::before {
            background: var(--ice);
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin: 0 0 40px 0;
            line-height: 1.7;
            max-width: 720px;
        }

        .section-title.centered + .section-subtitle {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .section-title.light + .section-subtitle {
            color: var(--text-muted-dark);
        }

        /* === Header / Navigation === */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            height: var(--header-height);
            box-shadow: 0 1px 0 rgba(20, 35, 46, 0.06);
            transition: box-shadow var(--transition-smooth), height var(--transition-fast);
            display: flex;
            align-items: center;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(20, 35, 46, 0.1);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
            height: 100%;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--primary);
            flex-shrink: 0;
        }

        .brand-logo:hover,
        .brand-logo:focus {
            color: var(--primary);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }

        .logo-icon::before {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            background: var(--ice);
            clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
            bottom: -3px;
            left: 50%;
            transform: translateX(-50%);
        }

        .logo-icon::after {
            content: '';
            position: absolute;
            width: 8px;
            height: 8px;
            background: #FFFFFF;
            border-radius: 50%;
            top: 7px;
            left: 50%;
            transform: translateX(-50%);
            box-shadow: -4px 3px 0 rgba(255, 255, 255, 0.35);
        }

        .logo-text {
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: -0.02em;
            color: var(--primary);
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
        }

        .main-nav a.nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--primary);
            text-decoration: none;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav a.nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
            transition: width var(--transition-smooth);
        }

        .main-nav a.nav-link:hover,
        .main-nav a.nav-link:focus {
            color: var(--accent);
            background: rgba(255, 90, 60, 0.04);
        }

        .main-nav a.nav-link:hover::after,
        .main-nav a.nav-link:focus::after {
            width: 60%;
        }

        .main-nav a.nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .main-nav a.nav-link.active::after {
            width: 60%;
            background: var(--ice);
        }

        .header-cta {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #FFFFFF;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            text-decoration: none;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }

        .header-cta:hover,
        .header-cta:focus {
            background: var(--accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .hamburger-btn:hover {
            background: rgba(20, 35, 46, 0.06);
        }

        .hamburger-btn span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
            transition: transform var(--transition-smooth), opacity var(--transition-fast);
        }

        .hamburger-btn.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(20, 35, 46, 0.6);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

        .mobile-menu-overlay.open {
            opacity: 1;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 82%;
            max-width: 360px;
            height: 100%;
            background: #FFFFFF;
            z-index: 999;
            padding: 24px 28px;
            box-shadow: -8px 0 32px rgba(20, 35, 46, 0.18);
            transition: right var(--transition-smooth);
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-light);
        }

        .mobile-drawer-header .brand-logo {
            font-size: 1rem;
        }

        .mobile-close-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
            border-radius: 50%;
            transition: background var(--transition-fast);
        }

        .mobile-close-btn:hover {
            background: rgba(20, 35, 46, 0.06);
        }

        .mobile-drawer a.nav-link-mobile {
            display: block;
            padding: 14px 16px;
            font-size: 1.25rem;
            font-weight: 500;
            color: var(--primary);
            text-decoration: none;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .mobile-drawer a.nav-link-mobile:hover,
        .mobile-drawer a.nav-link-mobile:focus {
            background: rgba(20, 35, 46, 0.04);
            color: var(--accent);
        }

        .mobile-drawer a.nav-link-mobile.active {
            background: var(--ice-light);
            color: var(--primary);
            font-weight: 600;
            border-left: 4px solid var(--ice);
            padding-left: 12px;
        }

        .mobile-drawer .header-cta {
            margin-top: 16px;
            justify-content: center;
            font-size: 1.05rem;
            padding: 14px 24px;
        }

        /* === Buttons === */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
            border: none;
            transition: all var(--transition-fast);
            line-height: 1.5;
        }

        .btn-primary {
            background: var(--accent);
            color: #FFFFFF;
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--primary);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-light {
            background: #FFFFFF;
            color: var(--primary);
        }

        .btn-light:hover,
        .btn-light:focus {
            background: var(--ice-light);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 1.1rem;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
        }

        .btn-block {
            display: flex;
            width: 100%;
        }

        .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .read-more-link i {
            transition: transform var(--transition-fast);
        }

        .read-more-link:hover,
        .read-more-link:focus {
            color: var(--accent-hover);
        }

        .read-more-link:hover i,
        .read-more-link:focus i {
            transform: translateX(4px);
        }

        /* === Cards === */
        .card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }

        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .card-body {
            padding: 20px 22px;
        }

        .card-title {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--primary);
            margin: 0 0 10px 0;
            line-height: 1.4;
        }

        .card-text {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0 0 16px 0;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 14px;
        }

        .card-tag {
            display: inline-block;
            background: var(--ice-light);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
        }

        .card-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--accent);
            color: #FFFFFF;
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* 通栏卡片 */
        .card-wide {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            align-items: stretch;
            margin-bottom: 24px;
        }

        .card-wide .card-img-wrap {
            aspect-ratio: auto;
            height: 100%;
            min-height: 220px;
        }

        .card-wide .card-body {
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 28px 32px;
        }

        .card-wide .card-title {
            font-size: 1.4rem;
        }

        /* === Hero (分类页) === */
        .category-hero {
            position: relative;
            background: var(--bg-deep);
            background-image: linear-gradient(rgba(20, 35, 46, 0.72), rgba(20, 35, 46, 0.82)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 46vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 56px 20px;
            color: var(--text-light);
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--ice), var(--accent));
            background-size: 200% 100%;
            animation: gradientShift 6s ease infinite;
        }

        @keyframes gradientShift {
            0%,
            100% {
                background-position: 0% 50%;
            }
            50% {
                background-position: 100% 50%;
            }
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .category-hero h1 {
            font-size: clamp(2.2rem, 4.5vw, 3.8rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text-light);
            margin: 0 0 16px 0;
            line-height: 1.25;
        }

        .category-hero h1 .highlight {
            color: var(--ice);
            position: relative;
        }

        .category-hero .hero-sub {
            font-size: clamp(1rem, 1.5vw, 1.2rem);
            color: var(--text-muted-dark);
            margin: 0 auto 28px;
            max-width: 640px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .hero-badge-row {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            color: var(--text-light);
            backdrop-filter: blur(4px);
        }

        .hero-badge i {
            color: var(--ice);
            font-size: 0.75rem;
        }

        /* === Pain Point Section === */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .pain-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            position: relative;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .pain-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .pain-card.wide {
            grid-column: span 2;
            background: var(--primary);
            color: var(--text-light);
            border-color: var(--primary);
        }

        .pain-card.wide .pain-num {
            color: var(--ice);
        }

        .pain-card.wide .pain-title {
            color: var(--text-light);
        }

        .pain-card.wide .pain-desc {
            color: var(--text-muted-dark);
        }

        .pain-num {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.05em;
        }

        .pain-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--primary);
            margin: 0;
            line-height: 1.4;
        }

        .pain-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .pain-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--ice-light);
            border-radius: var(--radius-sm);
            color: var(--primary);
            font-size: 1.1rem;
        }

        /* === Service Cards Wall === */
        .card-wall {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .card-wall .card:nth-child(1) {
            grid-column: span 3;
        }

        .card-wall .card:nth-child(4) {
            grid-column: span 3;
        }

        /* === Process Steps === */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .process-step {
            text-align: center;
            padding: 28px 16px;
            background: #FFFFFF;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border-top: 3px solid var(--ice);
            position: relative;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .process-step .step-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--ice);
            margin-bottom: 8px;
            line-height: 1;
        }

        .process-step .step-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .process-step .step-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* === Stats === */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .stat-item {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-dark);
        }

        .stat-number {
            font-size: clamp(2rem, 3.5vw, 3rem);
            font-weight: 700;
            color: var(--ice);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted-dark);
            margin-top: 8px;
        }

        .stat-note {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 20px;
            text-align: center;
        }

        /* === Testimonials === */
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 24px;
            margin-top: 40px;
        }

        .testimonial-main {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            border-left: 4px solid var(--ice);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .testimonial-main blockquote {
            margin: 0 0 20px;
            font-size: 1.15rem;
            line-height: 1.8;
            color: var(--text-dark);
            font-style: italic;
            position: relative;
            padding-left: 28px;
        }

        .testimonial-main blockquote::before {
            content: '\201C';
            position: absolute;
            left: 0;
            top: -8px;
            font-size: 2.5rem;
            color: var(--ice);
            font-style: normal;
            font-family: Georgia, serif;
            line-height: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--bg-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .testimonial-author .author-name {
            font-weight: 600;
            color: var(--primary);
            font-size: 0.95rem;
        }

        .testimonial-author .author-role {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .testimonial-stack {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .testimonial-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 24px 26px;
            box-shadow: var(--shadow-sm);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
            border: 1px solid var(--border-light);
        }

        .testimonial-card blockquote {
            margin: 0;
            font-size: 0.95rem;
            line-height: 1.7;
            color: var(--text-dark);
        }

        /* === Deep Content === */
        .deep-content {
            max-width: 860px;
            margin: 0 auto;
            font-size: 1rem;
            line-height: 1.9;
            color: var(--text-dark);
        }

        .deep-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--primary);
            margin: 32px 0 12px;
        }

        .deep-content p {
            margin: 0 0 20px;
        }

        .deep-content .accent-quote {
            border-left: 4px solid var(--ice);
            padding-left: 18px;
            margin: 24px 0;
            color: var(--text-muted);
            font-size: 1.05rem;
        }

        .deep-img {
            margin: 32px 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .deep-img img {
            width: 100%;
            max-height: 400px;
            object-fit: cover;
        }

        /* === FAQ === */
        .faq-list {
            max-width: 800px;
            margin: 40px auto 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: box-shadow var(--transition-fast);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition-fast);
            position: relative;
        }

        .faq-question:hover {
            background: rgba(62, 198, 216, 0.05);
        }

        .faq-question::before {
            content: '';
            position: absolute;
            left: 0;
            top: 12px;
            bottom: 12px;
            width: 3px;
            background: var(--ice);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

        .faq-item.open .faq-question::before {
            opacity: 1;
        }

        .faq-question .faq-toggle {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--ice-light);
            border-radius: 50%;
            color: var(--primary);
            font-size: 0.85rem;
            transition: transform var(--transition-smooth);
        }

        .faq-item.open .faq-question .faq-toggle {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 200ms ease, padding 200ms ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 4px 22px 20px;
        }

        .faq-answer p {
            margin: 0;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* === CTA === */
        .cta-section {
            background: var(--primary);
            background-image: linear-gradient(135deg, rgba(20, 35, 46, 0.95) 0%, rgba(31, 53, 68, 0.92) 100%), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            padding: 72px 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: rgba(62, 198, 216, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: rgba(255, 90, 60, 0.07);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            color: var(--text-light);
            margin: 0 0 16px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-muted-dark);
            margin: 0 0 28px;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* === Contact Form === */
        .contact-form-section {
            background: var(--bg-warm);
            padding: var(--spacing-section-desktop) 0;
        }

        .form-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
            max-width: 600px;
            margin: 0 auto;
            border: 1px solid var(--border-light);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            color: var(--text-dark);
            background: #FFFFFF;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--ice);
            box-shadow: 0 0 0 3px rgba(62, 198, 216, 0.15);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }

        .form-hint {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* === Footer === */
        .site-footer {
            background: var(--bg-deep);
            color: var(--text-muted-dark);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1.2fr 1.4fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-light);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }

        .footer-brand .footer-logo:hover {
            color: var(--text-light);
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted-dark);
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-light);
            margin: 0 0 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 0.88rem;
            color: var(--text-muted-dark);
            text-decoration: none;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul a:hover,
        .footer-col ul a:focus {
            color: var(--ice);
        }

        .footer-contact-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.88rem;
            color: var(--text-muted-dark);
        }

        .footer-contact-list i {
            color: var(--ice);
            margin-top: 4px;
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-legal {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-legal a {
            color: rgba(255, 255, 255, 0.45);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-legal a:hover,
        .footer-legal a:focus {
            color: var(--ice);
        }

        /* === Responsive === */
        @media screen and (max-width: 1024px) {
            .main-nav a.nav-link {
                padding: 8px 8px;
                font-size: 0.82rem;
            }

            .header-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }

            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .pain-card.wide {
                grid-column: span 2;
            }

            .card-wall {
                grid-template-columns: repeat(2, 1fr);
            }

            .card-wall .card:nth-child(1) {
                grid-column: span 2;
            }

            .card-wall .card:nth-child(4) {
                grid-column: span 2;
            }

            .process-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }

        @media screen and (max-width: 767px) {
            .container {
                padding: 0 20px;
            }

            .header-inner {
                padding: 0 20px;
            }

            .main-nav {
                display: none;
            }

            .header-cta {
                display: none;
            }

            .hamburger-btn {
                display: flex;
            }

            .mobile-menu-overlay {
                display: block;
            }

            .mobile-drawer {
                display: flex;
            }

            .section {
                padding: var(--spacing-section-mobile) 0;
            }

            .section-deep,
            .section-warm,
            .section-ice,
            .section-white {
                padding: var(--spacing-section-mobile) 0;
            }

            .category-hero {
                min-height: 38vh;
                padding: 40px 16px;
            }

            .pain-grid {
                grid-template-columns: 1fr;
            }

            .pain-card.wide {
                grid-column: span 1;
            }

            .card-wall {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .card-wall .card:nth-child(1),
            .card-wall .card:nth-child(4) {
                grid-column: span 1;
            }

            .card-wide {
                grid-template-columns: 1fr;
            }

            .card-wide .card-img-wrap {
                aspect-ratio: 16/9;
                min-height: auto;
            }

            .process-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stat-item {
                padding: 24px 14px;
            }

            .stat-number {
                font-size: 1.8rem;
            }

            .testimonial-main {
                padding: 24px 20px;
            }

            .testimonial-main blockquote {
                font-size: 1rem;
                padding-left: 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding-bottom: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .footer-legal {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .form-card {
                padding: 28px 20px;
            }

            .cta-section {
                padding: 48px 16px;
            }
        }

        @media screen and (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.9rem;
            }

            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-badge {
                font-size: 0.72rem;
                padding: 4px 10px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .stat-number {
                font-size: 1.5rem;
            }

            .section-title {
                font-size: 1.5rem;
                padding-left: 14px;
            }

            .section-title::before {
                top: 6px;
                bottom: 6px;
                width: 3px;
            }

            .card-body {
                padding: 16px;
            }

            .card-title {
                font-size: 1.1rem;
            }
        }

/* roulang page: category6 */
:root {
        --primary: #14232E;
        --primary-light: #1F3544;
        --accent: #FF5A3C;
        --accent-hover: #E5482F;
        --ice: #3EC6D8;
        --ice-light: #E8F7F9;
        --ice-dark: #2A9DAF;
        --bg-warm: #F7F5F0;
        --bg-deep: #14232E;
        --text-dark: #1A1A1A;
        --text-light: #F7F5F0;
        --text-muted: #6B7280;
        --text-muted-dark: #A0AEB8;
        --border-light: #E2DED6;
        --border-dark: rgba(255, 255, 255, 0.15);
        --radius-sm: 4px;
        --radius-md: 8px;
        --radius-lg: 12px;
        --shadow-sm: 0 2px 8px rgba(20, 35, 46, 0.06);
        --shadow-hover: 0 8px 24px rgba(20, 35, 46, 0.14);
        --shadow-card: 0 4px 16px rgba(20, 35, 46, 0.08);
        --transition-fast: 150ms ease;
        --transition-smooth: 250ms ease;
        --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        --spacing-section-desktop: 80px;
        --spacing-section-mobile: 48px;
        --header-height: 64px;
        --header-height-mobile: 56px;
    }

    /* ===== 基础 Reset ===== */
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
        box-sizing: border-box;
    }
    *, *::before, *::after {
        box-sizing: border-box;
    }
    body {
        margin: 0;
        padding: 0;
        font-family: var(--font-stack);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text-dark);
        background-color: #FFFFFF;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    a {
        text-decoration: none;
        color: var(--primary);
        transition: color var(--transition-fast);
    }
    a:hover, a:focus {
        color: var(--accent);
        outline: none;
    }
    a:focus-visible {
        outline: 2px solid var(--ice);
        outline-offset: 3px;
        border-radius: var(--radius-sm);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button, input, textarea, select {
        font-family: var(--font-stack);
        font-size: 1rem;
        line-height: 1.5;
    }
    button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
        outline: 2px solid var(--ice);
        outline-offset: 2px;
    }
    ul, ol {
        margin: 0;
        padding: 0;
        list-style: none;
    }
    h1, h2, h3, h4, h5, h6, p {
        margin: 0 0 1rem;
    }
    h1, h2, h3, h4 {
        line-height: 1.3;
        color: var(--primary);
    }

    /* ===== 容器 ===== */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 40px;
    }

    /* ===== 顶部导航 ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: #FFFFFF;
        height: var(--header-height);
        box-shadow: 0 1px 0 rgba(20, 35, 46, 0.06);
        transition: box-shadow var(--transition-smooth), height var(--transition-fast);
        display: flex;
        align-items: center;
    }
    .site-header.scrolled {
        box-shadow: 0 4px 24px rgba(20, 35, 46, 0.1);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 40px;
        height: 100%;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        text-decoration: none;
        color: var(--primary);
        flex-shrink: 0;
    }
    .brand-logo:hover, .brand-logo:focus {
        color: var(--primary);
    }
    .logo-icon {
        width: 36px;
        height: 36px;
        background: var(--primary);
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        position: relative;
        overflow: hidden;
    }
    .logo-icon::before {
        content: '';
        position: absolute;
        width: 14px;
        height: 14px;
        background: var(--ice);
        clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
        bottom: -3px;
        left: 50%;
        transform: translateX(-50%);
    }
    .logo-icon::after {
        content: '';
        position: absolute;
        width: 8px;
        height: 8px;
        background: #FFFFFF;
        border-radius: 50%;
        top: 7px;
        left: 50%;
        transform: translateX(-50%);
        box-shadow: -4px 3px 0 rgba(255, 255, 255, 0.35);
    }
    .logo-text {
        font-weight: 700;
        font-size: 1.2rem;
        letter-spacing: -0.02em;
        color: var(--primary);
        white-space: nowrap;
    }
    .main-nav {
        display: none;
        align-items: center;
        gap: 2px;
        flex-wrap: nowrap;
    }
    .main-nav a.nav-link {
        display: inline-flex;
        align-items: center;
        padding: 8px 10px;
        font-size: 0.88rem;
        font-weight: 500;
        color: var(--primary);
        text-decoration: none;
        border-radius: var(--radius-sm);
        position: relative;
        transition: color var(--transition-fast), background var(--transition-fast);
        white-space: nowrap;
    }
    .main-nav a.nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 0;
        height: 2px;
        background: var(--accent);
        transition: width var(--transition-fast);
        border-radius: 2px;
    }
    .main-nav a.nav-link:hover::after,
    .main-nav a.nav-link:focus::after {
        width: 60%;
    }
    .main-nav a.nav-link.active {
        color: var(--primary);
        font-weight: 700;
        border-bottom: 2px solid var(--ice);
    }
    .main-nav a.nav-link.active::after {
        display: none;
    }
    .nav-cta {
        display: none;
        align-items: center;
        flex-shrink: 0;
        margin-left: 12px;
    }
    .nav-cta .btn-primary {
        padding: 8px 18px;
        font-size: 0.88rem;
        font-weight: 600;
        border-radius: var(--radius-sm);
        background: var(--accent);
        color: #FFFFFF;
        border: none;
        text-decoration: none;
        transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        white-space: nowrap;
    }
    .nav-cta .btn-primary:hover {
        background: var(--accent-hover);
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(255, 90, 60, 0.3);
        color: #FFFFFF;
    }
    .hamburger-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        width: 40px;
        height: 40px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 8px;
        border-radius: var(--radius-sm);
        transition: background var(--transition-fast);
    }
    .hamburger-toggle:hover {
        background: rgba(20, 35, 46, 0.05);
    }
    .hamburger-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--primary);
        border-radius: 2px;
        transition: transform var(--transition-fast), opacity var(--transition-fast);
    }
    .hamburger-toggle span:nth-child(2) {
        width: 16px;
    }
    .hamburger-toggle span:nth-child(3) {
        width: 20px;
    }
    .mobile-drawer {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: #FFFFFF;
        z-index: 1100;
        padding: 80px 32px 40px;
        overflow-y: auto;
        flex-direction: column;
        gap: 4px;
    }
    .mobile-drawer.open {
        display: flex;
    }
    .mobile-drawer-close {
        position: absolute;
        top: 16px;
        right: 24px;
        width: 44px;
        height: 44px;
        background: transparent;
        border: none;
        font-size: 1.6rem;
        color: var(--primary);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: var(--radius-sm);
    }
    .mobile-drawer-close:hover {
        background: rgba(20, 35, 46, 0.06);
    }
    .mobile-drawer a.nav-link {
        font-size: 1.5rem;
        font-weight: 600;
        padding: 16px 12px;
        color: var(--primary);
        text-decoration: none;
        border-radius: var(--radius-sm);
        border-bottom: 1px solid var(--border-light);
        transition: background var(--transition-fast), color var(--transition-fast);
    }
    .mobile-drawer a.nav-link:last-of-type {
        border-bottom: none;
    }
    .mobile-drawer a.nav-link:hover {
        background: var(--bg-warm);
    }
    .mobile-drawer a.nav-link.active {
        color: var(--accent);
        font-weight: 700;
    }
    .mobile-drawer .mobile-nav-cta {
        margin-top: 24px;
    }
    .mobile-drawer .mobile-nav-cta .btn-primary {
        display: block;
        text-align: center;
        padding: 14px 24px;
        background: var(--accent);
        color: #FFFFFF;
        font-weight: 700;
        border-radius: var(--radius-sm);
        text-decoration: none;
        font-size: 1.1rem;
    }

    /* ===== 分类页 Hero ===== */
    .category-hero {
        position: relative;
        min-height: 48vh;
        display: flex;
        align-items: center;
        background: var(--bg-deep);
        overflow: hidden;
    }
    .category-hero-bg {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-3.webp');
        background-size: cover;
        background-position: center;
        opacity: 0.45;
    }
    .category-hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(160deg, rgba(20, 35, 46, 0.92) 0%, rgba(20, 35, 46, 0.65) 50%, rgba(255, 90, 60, 0.25) 100%);
    }
    .category-hero .container {
        position: relative;
        z-index: 2;
        width: 100%;
    }
    .category-hero-content {
        max-width: 700px;
        padding: 60px 0;
    }
    .category-hero-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(62, 198, 216, 0.15);
        color: var(--ice);
        padding: 6px 16px;
        border-radius: 100px;
        font-size: 0.85rem;
        font-weight: 600;
        letter-spacing: 0.04em;
        margin-bottom: 20px;
        border: 1px solid rgba(62, 198, 216, 0.3);
    }
    .category-hero-content h1 {
        color: var(--text-light);
        font-size: clamp(2.2rem, 4vw, 3.5rem);
        font-weight: 800;
        letter-spacing: -0.02em;
        margin-bottom: 16px;
    }
    .category-hero-content .hero-subtitle {
        color: var(--text-muted-dark);
        font-size: 1.1rem;
        line-height: 1.7;
        margin-bottom: 28px;
        max-width: 560px;
    }
    .hero-btn-group {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
    }
    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 13px 28px;
        background: var(--accent);
        color: #FFFFFF;
        font-weight: 600;
        font-size: 0.95rem;
        border-radius: var(--radius-sm);
        text-decoration: none;
        border: none;
        cursor: pointer;
        transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    }
    .btn-primary:hover {
        background: var(--accent-hover);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(255, 90, 60, 0.35);
        color: #FFFFFF;
    }
    .btn-secondary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 13px 28px;
        background: transparent;
        color: var(--text-light);
        font-weight: 600;
        font-size: 0.95rem;
        border-radius: var(--radius-sm);
        text-decoration: none;
        border: 1px solid rgba(255, 255, 255, 0.4);
        transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
    }
    .btn-secondary:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 255, 255, 0.7);
        color: #FFFFFF;
        transform: translateY(-2px);
    }
    .btn-secondary-light {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 13px 28px;
        background: transparent;
        color: var(--primary);
        font-weight: 600;
        font-size: 0.95rem;
        border-radius: var(--radius-sm);
        text-decoration: none;
        border: 1px solid var(--primary);
        transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
    }
    .btn-secondary-light:hover {
        background: var(--primary);
        color: #FFFFFF;
        transform: translateY(-2px);
    }
    .btn-outline-light {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 22px;
        background: transparent;
        color: var(--primary);
        font-weight: 600;
        font-size: 0.9rem;
        border-radius: var(--radius-sm);
        text-decoration: none;
        border: 1.5px solid var(--primary);
        transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
    }
    .btn-outline-light:hover {
        background: var(--primary);
        color: #FFFFFF;
        transform: translateY(-1px);
    }
    .btn-link-arrow {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-weight: 600;
        font-size: 0.95rem;
        color: var(--accent);
        text-decoration: none;
        transition: gap var(--transition-fast), color var(--transition-fast);
    }
    .btn-link-arrow i {
        font-size: 0.8rem;
        transition: transform var(--transition-fast);
    }
    .btn-link-arrow:hover {
        color: var(--accent-hover);
        gap: 10px;
    }
    .btn-link-arrow:hover i {
        transform: translateX(4px);
    }

    /* ===== 区块通用 ===== */
    .section-pad {
        padding: var(--spacing-section-desktop) 0;
    }
    .section-pad-sm {
        padding: 50px 0;
    }
    .section-bg-warm {
        background: var(--bg-warm);
    }
    .section-bg-deep {
        background: var(--bg-deep);
    }
    .section-bg-ice {
        background: var(--ice-light);
    }
    .section-header {
        margin-bottom: 40px;
    }
    .section-header h2 {
        font-size: clamp(1.75rem, 3vw, 2.4rem);
        font-weight: 800;
        letter-spacing: -0.01em;
        margin-bottom: 12px;
        position: relative;
        display: inline-block;
    }
    .section-header h2::after {
        content: '';
        display: block;
        width: 48px;
        height: 3px;
        background: var(--accent);
        margin-top: 10px;
        border-radius: 3px;
    }
    .section-header h2.text-light {
        color: var(--text-light);
    }
    .section-header .section-desc {
        color: var(--text-muted);
        font-size: 1.05rem;
        line-height: 1.7;
        max-width: 680px;
        margin-top: 16px;
    }
    .section-header .section-desc.text-light-desc {
        color: var(--text-muted-dark);
    }
    .section-header.center-header {
        text-align: center;
        display: block;
    }
    .section-header.center-header h2::after {
        margin-left: auto;
        margin-right: auto;
    }
    .section-header.center-header .section-desc {
        margin-left: auto;
        margin-right: auto;
    }

    /* ===== 康复项目总览 ===== */
    .rehab-intro-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 28px;
        align-items: center;
    }
    .rehab-intro-image {
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        position: relative;
    }
    .rehab-intro-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .rehab-intro-image::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(20, 35, 46, 0.4), transparent 50%);
        pointer-events: none;
    }
    .rehab-intro-text h2 {
        font-size: clamp(1.5rem, 2.5vw, 2rem);
        font-weight: 800;
        margin-bottom: 14px;
    }
    .rehab-intro-text h2::after {
        content: '';
        display: block;
        width: 40px;
        height: 3px;
        background: var(--ice);
        margin-top: 10px;
        border-radius: 3px;
    }
    .rehab-intro-text p {
        color: var(--text-muted);
        font-size: 1rem;
        line-height: 1.8;
        margin-bottom: 14px;
    }
    .badge-list {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 18px;
    }
    .badge-item {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: #FFFFFF;
        padding: 6px 14px;
        border-radius: 100px;
        font-size: 0.85rem;
        font-weight: 500;
        color: var(--primary);
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-sm);
    }
    .badge-item i {
        color: var(--ice-dark);
        font-size: 0.8rem;
    }

    /* ===== 康复特色数据 ===== */
    .rehab-stats-section {
        background: var(--bg-deep);
        position: relative;
        overflow: hidden;
    }
    .rehab-stats-section::before {
        content: '';
        position: absolute;
        top: -80px;
        right: -80px;
        width: 280px;
        height: 280px;
        background: rgba(62, 198, 216, 0.08);
        border-radius: 50%;
        pointer-events: none;
    }
    .rehab-stats-section::after {
        content: '';
        position: absolute;
        bottom: -60px;
        left: -40px;
        width: 200px;
        height: 200px;
        background: rgba(255, 90, 60, 0.06);
        border-radius: 50%;
        pointer-events: none;
    }
    .stats-row {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 32px 24px;
        position: relative;
        z-index: 2;
    }
    .stat-item {
        text-align: center;
        padding: 20px 12px;
        border-radius: var(--radius-md);
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.08);
        transition: background var(--transition-fast), border-color var(--transition-fast);
    }
    .stat-item:hover {
        background: rgba(255, 255, 255, 0.08);
        border-color: rgba(255, 255, 255, 0.18);
    }
    .stat-number {
        font-size: clamp(2.2rem, 4vw, 3.2rem);
        font-weight: 800;
        color: var(--text-light);
        letter-spacing: -0.03em;
        line-height: 1.2;
    }
    .stat-number .stat-suffix {
        color: var(--accent);
        font-size: 0.6em;
        font-weight: 700;
        margin-left: 2px;
    }
    .stat-label {
        color: var(--text-muted-dark);
        font-size: 0.95rem;
        font-weight: 500;
        margin-top: 6px;
    }

    /* ===== 康复流程 ===== */
    .process-timeline {
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .process-step {
        display: flex;
        gap: 20px;
        align-items: flex-start;
        background: #FFFFFF;
        border-radius: var(--radius-md);
        padding: 24px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
        transition: box-shadow var(--transition-fast), transform var(--transition-fast);
    }
    .process-step:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-3px);
    }
    .process-step-number {
        flex-shrink: 0;
        width: 48px;
        height: 48px;
        background: var(--primary);
        color: #FFFFFF;
        font-weight: 800;
        font-size: 1.2rem;
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
    }
    .process-step-number::after {
        content: '';
        position: absolute;
        bottom: -4px;
        right: -4px;
        width: 12px;
        height: 12px;
        background: var(--accent);
        border-radius: 50%;
        border: 2px solid #FFFFFF;
    }
    .process-step-content h3 {
        font-size: 1.15rem;
        font-weight: 700;
        margin-bottom: 6px;
        color: var(--primary);
    }
    .process-step-content p {
        color: var(--text-muted);
        font-size: 0.95rem;
        line-height: 1.7;
        margin-bottom: 0;
    }

    /* ===== 适用场景 ===== */
    .scene-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 24px;
    }
    .scene-card {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        padding: 28px 24px;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border-light);
        transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    }
    .scene-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
    }
    .scene-card-icon {
        width: 48px;
        height: 48px;
        background: var(--ice-light);
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 16px;
        color: var(--ice-dark);
        font-size: 1.2rem;
    }
    .scene-card h3 {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: 8px;
        color: var(--primary);
    }
    .scene-card p {
        color: var(--text-muted);
        font-size: 0.92rem;
        line-height: 1.7;
        margin-bottom: 0;
    }

    /* ===== 深度内容区 ===== */
    .deep-content {
        display: grid;
        grid-template-columns: 1fr;
        gap: 36px;
        align-items: center;
    }
    .deep-content-image {
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-card);
    }
    .deep-content-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .deep-content-text h2 {
        font-size: clamp(1.5rem, 2.5vw, 2rem);
        font-weight: 800;
        margin-bottom: 14px;
        position: relative;
    }
    .deep-content-text h2::after {
        content: '';
        display: block;
        width: 44px;
        height: 3px;
        background: var(--ice);
        margin-top: 8px;
        border-radius: 3px;
    }
    .deep-content-text h3 {
        font-size: 1.15rem;
        font-weight: 700;
        margin-top: 20px;
        margin-bottom: 8px;
        color: var(--primary);
    }
    .deep-content-text p {
        color: var(--text-muted);
        font-size: 0.98rem;
        line-height: 1.85;
        margin-bottom: 12px;
    }
    .deep-content-text strong {
        color: var(--primary);
        font-weight: 700;
    }
    .content-quote {
        background: var(--bg-warm);
        border-left: 3px solid var(--ice);
        padding: 18px 22px;
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        margin: 18px 0;
        font-size: 0.95rem;
        color: var(--primary);
        line-height: 1.7;
    }

    /* ===== 服务卡片墙 ===== */
    .service-card-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 24px;
    }
    .service-card {
        background: #FFFFFF;
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border-light);
        transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        display: flex;
        flex-direction: column;
    }
    .service-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-hover);
    }
    .service-card-img {
        position: relative;
        aspect-ratio: 16 / 9;
        overflow: hidden;
    }
    .service-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-smooth);
    }
    .service-card:hover .service-card-img img {
        transform: scale(1.05);
    }
    .service-card-tag {
        position: absolute;
        top: 14px;
        left: 14px;
        background: var(--accent);
        color: #FFFFFF;
        font-size: 0.75rem;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 100px;
        letter-spacing: 0.03em;
    }
    .service-card-body {
        padding: 22px 24px;
        display: flex;
        flex-direction: column;
        flex-grow: 1;
    }
    .service-card-body h3 {
        font-size: 1.15rem;
        font-weight: 700;
        margin-bottom: 8px;
        color: var(--primary);
    }
    .service-card-body p {
        color: var(--text-muted);
        font-size: 0.92rem;
        line-height: 1.7;
        margin-bottom: 14px;
        flex-grow: 1;
    }
    .service-card-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-top: 14px;
        border-top: 1px solid var(--border-light);
    }
    .service-card-date {
        font-size: 0.8rem;
        color: var(--text-muted);
    }
    .service-card-link {
        font-size: 0.88rem;
        font-weight: 600;
        color: var(--accent);
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: gap var(--transition-fast), color var(--transition-fast);
    }
    .service-card-link i {
        font-size: 0.75rem;
    }
    .service-card-link:hover {
        color: var(--accent-hover);
        gap: 10px;
    }

    /* ===== FAQ ===== */
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .faq-item {
        background: #FFFFFF;
        border: 1px solid var(--border-light);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
    }
    .faq-item:hover {
        border-color: rgba(62, 198, 216, 0.3);
    }
    .faq-item.active {
        box-shadow: var(--shadow-card);
        border-color: rgba(62, 198, 216, 0.4);
    }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 24px;
        cursor: pointer;
        background: transparent;
        border: none;
        width: 100%;
        text-align: left;
        font-family: var(--font-stack);
        font-size: 1.05rem;
        font-weight: 600;
        color: var(--primary);
        transition: background var(--transition-fast);
    }
    .faq-question:hover {
        background: var(--bg-warm);
    }
    .faq-question .faq-icon {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        background: var(--ice-light);
        color: var(--ice-dark);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.8rem;
        transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
    }
    .faq-item.active .faq-question .faq-icon {
        transform: rotate(45deg);
        background: var(--ice);
        color: #FFFFFF;
    }
    .faq-answer {
        padding: 0 24px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 200ms ease, padding 200ms ease;
    }
    .faq-item.active .faq-answer {
        max-height: 300px;
        padding: 0 24px 20px;
    }
    .faq-answer p {
        color: var(--text-muted);
        font-size: 0.95rem;
        line-height: 1.75;
        margin-bottom: 0;
    }

    /* ===== CTA 区 ===== */
    .cta-section {
        position: relative;
        background: var(--primary);
        overflow: hidden;
        padding: 64px 0;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -10%;
        width: 400px;
        height: 400px;
        background: rgba(62, 198, 216, 0.1);
        border-radius: 50%;
        pointer-events: none;
    }
    .cta-section::after {
        content: '';
        position: absolute;
        bottom: -40%;
        left: -5%;
        width: 300px;
        height: 300px;
        background: rgba(255, 90, 60, 0.12);
        border-radius: 50%;
        pointer-events: none;
    }
    .cta-inner {
        position: relative;
        z-index: 2;
        text-align: center;
        max-width: 650px;
        margin: 0 auto;
    }
    .cta-inner h2 {
        color: var(--text-light);
        font-size: clamp(1.7rem, 3vw, 2.4rem);
        font-weight: 800;
        margin-bottom: 12px;
    }
    .cta-inner p {
        color: var(--text-muted-dark);
        font-size: 1.05rem;
        line-height: 1.7;
        margin-bottom: 28px;
    }
    .cta-btn-group {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        justify-content: center;
    }

    /* ===== 页脚 ===== */
    .site-footer {
        background: #0D171F;
        color: var(--text-muted-dark);
        padding: 56px 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 36px;
        padding-bottom: 40px;
        border-bottom: 1px solid var(--border-dark);
    }
    .footer-brand .footer-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        text-decoration: none;
        color: var(--text-light);
        margin-bottom: 14px;
    }
    .footer-logo .logo-icon {
        width: 32px;
        height: 32px;
        background: var(--ice);
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        overflow: hidden;
    }
    .footer-logo .logo-icon::before {
        content: '';
        position: absolute;
        width: 12px;
        height: 12px;
        background: var(--primary);
        clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
        bottom: -3px;
        left: 50%;
        transform: translateX(-50%);
    }
    .footer-logo .logo-icon::after {
        content: '';
        position: absolute;
        width: 6px;
        height: 6px;
        background: #FFFFFF;
        border-radius: 50%;
        top: 7px;
        left: 50%;
        transform: translateX(-50%);
    }
    .footer-logo span {
        font-weight: 700;
        font-size: 1.1rem;
        color: var(--text-light);
    }
    .footer-brand p {
        font-size: 0.88rem;
        line-height: 1.7;
        color: var(--text-muted-dark);
        max-width: 280px;
        margin-bottom: 0;
    }
    .footer-col h4 {
        color: var(--text-light);
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 16px;
    }
    .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .footer-col ul li a {
        color: var(--text-muted-dark);
        font-size: 0.9rem;
        text-decoration: none;
        transition: color var(--transition-fast);
    }
    .footer-col ul li a:hover {
        color: var(--ice);
    }
    .footer-contact-list li {
        display: flex;
        align-items: center;
        gap: 10px;
        color: var(--text-muted-dark);
        font-size: 0.9rem;
        line-height: 1.6;
    }
    .footer-contact-list li i {
        color: var(--ice);
        font-size: 0.85rem;
        width: 16px;
        text-align: center;
        flex-shrink: 0;
    }
    .footer-bottom {
        padding: 20px 0;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        font-size: 0.83rem;
        color: var(--text-muted-dark);
    }
    .footer-legal {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 6px;
    }
    .footer-legal a {
        color: var(--text-muted-dark);
        text-decoration: none;
    }
    .footer-legal a:hover {
        color: var(--ice);
    }
    .footer-tech-links {
        display: flex;
        gap: 16px;
        align-items: center;
    }
    .footer-tech-links a {
        color: var(--text-muted-dark);
        text-decoration: none;
        font-size: 0.83rem;
    }
    .footer-tech-links a:hover {
        color: var(--ice);
    }

    /* ===== 响应式 ===== */
    @media (min-width: 1024px) {
        .main-nav {
            display: flex;
        }
        .nav-cta {
            display: flex;
        }
        .hamburger-toggle {
            display: none;
        }
        .rehab-intro-grid {
            grid-template-columns: 1fr 1fr;
            gap: 48px;
        }
        .stats-row {
            grid-template-columns: repeat(4, 1fr);
        }
        .process-timeline {
            grid-template-columns: repeat(4, 1fr);
        }
        .deep-content {
            grid-template-columns: 1fr 1fr;
            gap: 56px;
        }
        .deep-content.reverse .deep-content-image {
            order: 2;
        }
        .deep-content.reverse .deep-content-text {
            order: 1;
        }
        .footer-grid {
            grid-template-columns: 1.2fr 1fr 1fr 1fr;
        }
    }
    @media (min-width: 640px) and (max-width: 1023px) {
        .main-nav {
            display: none;
        }
        .nav-cta {
            display: flex;
        }
        .hamburger-toggle {
            display: flex;
        }
        .rehab-intro-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .stats-row {
            grid-template-columns: repeat(2, 1fr);
        }
        .process-timeline {
            grid-template-columns: repeat(2, 1fr);
        }
        .deep-content {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media (max-width: 639px) {
        .container {
            padding: 0 20px;
        }
        .header-inner {
            padding: 0 20px;
        }
        .main-nav {
            display: none;
        }
        .nav-cta {
            display: none;
        }
        .hamburger-toggle {
            display: flex;
        }
        .section-pad {
            padding: var(--spacing-section-mobile) 0;
        }
        .category-hero {
            min-height: 42vh;
        }
        .category-hero-content {
            padding: 40px 0;
        }
        .category-hero-content h1 {
            font-size: 2rem;
        }
        .stats-row {
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .process-timeline {
            grid-template-columns: 1fr;
        }
        .service-card-grid {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }
        .hero-btn-group {
            flex-direction: column;
        }
        .hero-btn-group .btn-primary,
        .hero-btn-group .btn-secondary {
            width: 100%;
            justify-content: center;
        }
        .cta-btn-group {
            flex-direction: column;
        }
        .cta-btn-group .btn-primary,
        .cta-btn-group .btn-secondary-light {
            width: 100%;
            justify-content: center;
        }
    }

    /* ===== 辅助样式 ===== */
    .text-accent { color: var(--accent); }
    .text-ice { color: var(--ice); }
    .mb-0 { margin-bottom: 0; }
    .mt-0 { margin-top: 0; }
    .mb-20 { margin-bottom: 20px; }
    .mt-20 { margin-top: 20px; }
    .d-flex { display: flex; }
    .align-center { align-items: center; }
    .gap-8 { gap: 8px; }
    .gap-16 { gap: 16px; }
    .flex-wrap { flex-wrap: wrap; }
    .text-center { text-align: center; }

/* roulang page: category7 */
:root {
            --primary: #14232E;
            --primary-light: #1F3544;
            --accent: #FF5A3C;
            --accent-hover: #E5482F;
            --ice: #3EC6D8;
            --ice-light: #E8F7F9;
            --bg-warm: #F7F5F0;
            --bg-deep: #14232E;
            --text-dark: #1A1A1A;
            --text-light: #F7F5F0;
            --text-muted: #6B7280;
            --text-muted-dark: #A0AEB8;
            --border-light: #E2DED6;
            --border-dark: rgba(255, 255, 255, 0.15);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(20, 35, 46, 0.06);
            --shadow-hover: 0 8px 24px rgba(20, 35, 46, 0.14);
            --shadow-card: 0 4px 16px rgba(20, 35, 46, 0.08);
            --transition-fast: 150ms ease;
            --transition-smooth: 250ms ease;
            --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --spacing-section-desktop: 80px;
            --spacing-section-mobile: 48px;
            --header-height: 64px;
            --header-height-mobile: 56px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-dark);
            background-color: #FFFFFF;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: color var(--transition-fast);
        }
        a:hover,
        a:focus {
            color: var(--accent);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--ice);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.5;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--ice);
            outline-offset: 2px;
        }
        .container,
        .grid-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        @media (min-width: 640px) {
            .container,
            .grid-container {
                padding: 0 32px;
            }
        }
        @media (min-width: 1024px) {
            .container,
            .grid-container {
                padding: 0 40px;
            }
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            height: var(--header-height);
            box-shadow: 0 1px 0 rgba(20, 35, 46, 0.06);
            transition: box-shadow var(--transition-smooth), height var(--transition-fast);
            display: flex;
            align-items: center;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(20, 35, 46, 0.1);
            height: var(--header-height);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }
        @media (min-width: 640px) {
            .header-inner {
                padding: 0 32px;
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 40px;
            }
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--primary);
            flex-shrink: 0;
        }
        .brand-logo:hover,
        .brand-logo:focus {
            color: var(--primary);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }
        .logo-icon::before {
            content: '';
            position: absolute;
            width: 14px;
            height: 14px;
            background: var(--ice);
            clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
            bottom: -3px;
            left: 50%;
            transform: translateX(-50%);
        }
        .logo-icon::after {
            content: '';
            position: absolute;
            width: 8px;
            height: 8px;
            background: #FFFFFF;
            border-radius: 50%;
            top: 7px;
            left: 50%;
            transform: translateX(-50%);
            box-shadow: -4px 3px 0 rgba(255, 255, 255, 0.35);
        }
        .logo-text {
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: -0.02em;
            color: var(--primary);
            white-space: nowrap;
        }
        .main-nav {
            display: none;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .main-nav a.nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 12px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--primary);
            text-decoration: none;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }
        .main-nav a.nav-link:hover {
            color: var(--accent);
            background: var(--bg-warm);
        }
        .main-nav a.nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .main-nav a.nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--ice);
            border-radius: 2px;
        }
        .header-cta {
            display: none;
            background: var(--accent);
            color: #fff;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.875rem;
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .header-cta:hover,
        .header-cta:focus {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
        }
        @media (min-width: 1024px) {
            .main-nav {
                display: flex;
            }
            .header-cta {
                display: inline-flex;
            }
        }
        /* Mobile hamburger */
        .hamburger {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            width: 28px;
            height: 20px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0;
            flex-shrink: 0;
        }
        .hamburger span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: background var(--transition-fast);
        }
        .hamburger:hover span {
            background: var(--accent);
        }
        @media (min-width: 1024px) {
            .hamburger {
                display: none;
            }
        }
        .mobile-drawer {
            position: fixed;
            top: var(--header-height-mobile);
            left: 0;
            right: 0;
            bottom: 0;
            background: #FFFFFF;
            z-index: 999;
            display: none;
            flex-direction: column;
            padding: 24px 20px;
            gap: 4px;
            overflow-y: auto;
            border-top: 1px solid var(--border-light);
        }
        .mobile-drawer.open {
            display: flex;
        }
        .mobile-drawer a.nav-link {
            display: block;
            font-size: 1.5rem;
            font-weight: 500;
            color: var(--primary);
            padding: 16px 8px;
            border-bottom: 1px solid var(--border-light);
            text-decoration: none;
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }
        .mobile-drawer a.nav-link:hover,
        .mobile-drawer a.nav-link.active {
            color: var(--accent);
            padding-left: 20px;
        }
        .mobile-drawer .drawer-close {
            align-self: flex-end;
            background: none;
            border: none;
            font-size: 2rem;
            line-height: 1;
            color: var(--primary);
            cursor: pointer;
            padding: 8px;
        }
        /* Category Hero */
        .category-hero {
            min-height: 45vh;
            display: flex;
            align-items: center;
            background: var(--bg-deep);
            position: relative;
            overflow: hidden;
            padding: var(--spacing-section-mobile) 0 calc(var(--spacing-section-mobile) + 20px);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20,35,46,0.92) 0%, rgba(20,35,46,0.75) 45%, rgba(255,90,60,0.45) 100%);
            z-index: 1;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            right: -120px;
            bottom: -120px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: rgba(62,198,216,0.18);
            z-index: 0;
            animation: heroGlow 8s ease-in-out infinite alternate;
        }
        @keyframes heroGlow {
            0% {
                opacity: 0.5;
                transform: scale(1);
            }
            100% {
                opacity: 0.9;
                transform: scale(1.2);
            }
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .category-hero .hero-tag {
            display: inline-block;
            background: rgba(62,198,216,0.2);
            color: var(--ice);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 18px;
            border: 1px solid rgba(62,198,216,0.3);
        }
        .category-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            color: var(--text-light);
            line-height: 1.25;
            margin: 0 0 16px;
            letter-spacing: -0.02em;
        }
        .category-hero .hero-sub {
            font-size: 1.05rem;
            color: var(--text-muted-dark);
            max-width: 580px;
            line-height: 1.7;
            margin: 0 0 28px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.9rem;
            color: var(--text-muted-dark);
        }
        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hero-meta i {
            color: var(--ice);
        }
        /* Section shared */
        .section {
            padding: var(--spacing-section-mobile) 0;
        }
        @media (min-width: 1024px) {
            .section {
                padding: var(--spacing-section-desktop) 0;
            }
        }
        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            margin: 0 0 12px;
            letter-spacing: -0.02em;
            position: relative;
            padding-left: 16px;
        }
        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.15em;
            bottom: 0.15em;
            width: 4px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-sub {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 620px;
            line-height: 1.7;
            margin: 0 0 40px;
            padding-left: 16px;
        }
        .section-tag {
            display: inline-block;
            background: var(--ice-light);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
            margin-left: 16px;
        }
        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            line-height: 1.5;
            transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            cursor: pointer;
            border: none;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--accent);
            color: #FFFFFF;
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(229,72,47,0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-outline:hover,
        .btn-outline:focus {
            background: var(--primary);
            color: #FFFFFF;
            transform: translateY(-2px);
        }
        .btn-outline-light {
            background: transparent;
            color: var(--text-light);
            border: 1px solid rgba(255,255,255,0.4);
        }
        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background: rgba(255,255,255,0.15);
            color: var(--text-light);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
        }
        /* Cards */
        .article-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .article-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .article-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--bg-warm);
        }
        .article-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .article-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .article-card .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .article-card .card-tag {
            display: inline-block;
            background: var(--ice-light);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 500;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .article-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0 0 8px;
            line-height: 1.45;
        }
        .article-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin: 0 0 12px;
            line-height: 1.65;
            flex: 1;
        }
        .article-card .card-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .article-card .card-meta i {
            color: var(--ice);
        }
        .article-card .card-link {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast), gap var(--transition-fast);
        }
        .article-card .card-link:hover {
            color: var(--accent-hover);
            gap: 8px;
        }
        /* Wide card */
        .wide-card {
            grid-column: 1 / -1;
            flex-direction: row;
        }
        @media (max-width: 639px) {
            .wide-card {
                flex-direction: column;
            }
        }
        .wide-card .card-img-wrap {
            width: 40%;
            aspect-ratio: auto;
            min-height: 220px;
        }
        @media (max-width: 639px) {
            .wide-card .card-img-wrap {
                width: 100%;
                aspect-ratio: 16/9;
                min-height: auto;
            }
        }
        .wide-card .card-body {
            width: 60%;
            padding: 28px 32px;
        }
        @media (max-width: 639px) {
            .wide-card .card-body {
                width: 100%;
                padding: 20px 22px;
            }
        }
        /* Feature list */
        .feature-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.95rem;
            line-height: 1.6;
            color: var(--text-dark);
        }
        .feature-list li:last-child {
            border-bottom: none;
        }
        .feature-list li i {
            color: var(--ice);
            font-size: 1.1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .feature-list li strong {
            font-weight: 600;
        }
        /* FAQ */
        .faq-accordion {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-smooth);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-item.active {
            border-left: 4px solid var(--accent);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover,
        .faq-question:focus {
            color: var(--accent);
        }
        .faq-question i {
            color: var(--ice);
            font-size: 1.1rem;
            transition: transform 0.2s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            display: none;
            padding: 0 24px 20px;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        @media (min-width: 640px) {
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 32px;
            }
        }
        .stat-item {
            text-align: center;
            background: rgba(255,255,255,0.08);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 28px 16px;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }
        .stat-item:hover {
            background: rgba(255,255,255,0.14);
            transform: translateY(-3px);
        }
        .stat-item .stat-num {
            font-size: 2.6rem;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stat-item .stat-num span {
            color: var(--ice);
        }
        .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted-dark);
            margin-top: 8px;
        }
        /* CTA */
        .cta-section {
            background: var(--accent);
            padding: var(--spacing-section-mobile) 0;
            position: relative;
            overflow: hidden;
        }
        @media (min-width: 1024px) {
            .cta-section {
                padding: var(--spacing-section-desktop) 0;
            }
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            z-index: 0;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(62,198,216,0.2);
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(1.75rem, 3vw, 2.4rem);
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 12px;
            letter-spacing: -0.02em;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.9);
            max-width: 540px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .btn-white-outline {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid #FFFFFF;
            font-weight: 500;
        }
        .btn-white-outline:hover,
        .btn-white-outline:focus {
            background: #FFFFFF;
            color: var(--accent);
            transform: translateY(-2px);
        }
        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            color: var(--text-muted-dark);
            padding: 48px 0 0;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            padding-bottom: 32px;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.4fr 0.8fr 0.9fr 1fr;
                gap: 40px;
            }
        }
        .footer-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #FFFFFF;
            text-decoration: none;
            margin-bottom: 12px;
        }
        .footer-brand a:hover,
        .footer-brand a:focus {
            color: var(--ice);
        }
        .footer-brand .logo-icon {
            background: rgba(255,255,255,0.1);
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.65;
            color: var(--text-muted-dark);
            margin: 0;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #FFFFFF;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-muted-dark);
            font-size: 0.85rem;
            text-decoration: none;
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }
        .footer-col ul li a:hover,
        .footer-col ul li a:focus {
            color: var(--ice);
            padding-left: 4px;
        }
        .footer-contact-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--text-muted-dark);
            margin-bottom: 10px;
        }
        .footer-contact-list i {
            color: var(--ice);
            margin-top: 4px;
            flex-shrink: 0;
        }
        .footer-logo {
            font-size: 1.1rem;
            font-weight: 700;
            color: #FFFFFF;
        }
        @media (max-width: 639px) {
            .footer-logo {
                font-size: 0.95rem;
            }
            .footer-logo .logo-icon {
                width: 28px;
                height: 28px;
            }
            .footer-logo span:last-child {
                font-size: 0.95rem;
            }
        }
        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding: 20px 0;
            font-size: 0.8rem;
            color: var(--text-muted-dark);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        @media (min-width: 640px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
        }
        .footer-bottom a {
            color: var(--text-muted-dark);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover,
        .footer-bottom a:focus {
            color: var(--ice);
        }
        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .footer-legal span {
            white-space: nowrap;
        }
        /* Misc */
        .bg-warm {
            background: var(--bg-warm);
        }
        .bg-deep {
            background: var(--bg-deep);
        }
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .gap-16 {
            gap: 16px;
        }
        /* Responsive grid for cards */
        .card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 640px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (min-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 28px;
            }
            .card-grid .wide-card {
                grid-column: span 2;
            }
        }