/* roulang page: index */
:root {
            --primary: #00A86B;
            --primary-dark: #008F5B;
            --primary-light: #E6F7F1;
            --secondary: #1E1E1E;
            --accent: #FFD100;
            --accent-orange: #FF5E14;
            --bg: #F7F8FA;
            --bg-white: #FFFFFF;
            --text: #1E1E1E;
            --text-secondary: #5F6B7A;
            --text-light: #8B95A5;
            --border: #E5E7EB;
            --border-light: #F0F1F3;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.10);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --font-xl: 48px;
            --font-lg: 36px;
            --font-md: 28px;
            --font-sm: 24px;
            --font-base: 16px;
            --font-xs: 14px;
            --font-xxs: 12px;
            --transition: 0.25s ease;
            --container: 1200px;
            --gutter: 24px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-width: 320px;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-xs);
            padding: 12px 16px;
            font-size: var(--font-base);
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            width: 100%;
        }
        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 168, 107, 0.08);
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 var(--gutter);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* Header / Nav */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border-light);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -1px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            color: var(--text-secondary);
            font-size: var(--font-xs);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links a.active {
            font-weight: 600;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            position: relative;
            width: 180px;
        }
        .nav-search input {
            padding: 9px 36px 9px 14px;
            border-radius: 20px;
            font-size: var(--font-xxs);
            border: 1px solid var(--border);
            background: var(--bg);
            width: 100%;
            transition: all var(--transition);
        }
        .nav-search input:focus {
            border-color: var(--primary);
            background: var(--bg-white);
            width: 200px;
        }
        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 14px;
            pointer-events: none;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: var(--font-xs);
            transition: all var(--transition);
            white-space: nowrap;
            gap: 6px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--secondary);
        }
        .btn-accent:hover {
            background: #e6b800;
            color: var(--secondary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: var(--font-base);
            border-radius: var(--radius-md);
        }
        .btn-xl {
            padding: 16px 40px;
            font-size: 18px;
            border-radius: var(--radius-md);
            font-weight: 700;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            padding: 8px;
            border-radius: var(--radius-xs);
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }

        /* Section */
        .section {
            padding: 80px 0;
        }
        .section-sm {
            padding: 50px 0;
        }
        .section-label {
            display: inline-block;
            font-size: var(--font-xxs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: var(--font-md);
            font-weight: 700;
            line-height: 1.3;
            color: var(--secondary);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: var(--font-base);
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-subtitle {
            margin: 0 auto;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 30, 15, 0.88) 0%, rgba(0, 60, 30, 0.72) 40%, rgba(0, 0, 0, 0.55) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 60px;
            flex-wrap: wrap;
        }
        .hero-content {
            flex: 1;
            min-width: 300px;
            color: #fff;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: var(--font-xxs);
            font-weight: 600;
            margin-bottom: 20px;
            color: #fff;
            backdrop-filter: blur(4px);
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse-dot 1.5s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 209, 0, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 209, 0, 0);
            }
        }
        .hero h1 {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero h1 .highlight {
            color: var(--accent);
        }
        .hero-desc {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-group-card {
            flex: 0 0 340px;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            color: #fff;
            min-width: 280px;
        }
        .hero-group-card .group-count {
            font-size: 56px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 6px;
        }
        .hero-group-card .group-label {
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
        }
        .hero-group-card .group-progress {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            height: 8px;
            margin-bottom: 8px;
            overflow: hidden;
        }
        .hero-group-card .group-progress-fill {
            height: 100%;
            background: var(--accent);
            border-radius: 10px;
            width: 72%;
            animation: progress-fill 2s ease-out;
        }
        @keyframes progress-fill {
            from {
                width: 0;
            }
            to {
                width: 72%;
            }
        }
        .hero-group-card .group-hint {
            font-size: var(--font-xxs);
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 18px;
        }
        .hero-group-card .group-btns {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* Stats Bar */
        .stats-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 0;
            border-left: 1px solid var(--border-light);
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            border-right: 1px solid var(--border-light);
            transition: background var(--transition);
        }
        .stat-item:hover {
            background: var(--primary-light);
        }
        .stat-number {
            font-size: 38px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-number .unit {
            font-size: 20px;
            font-weight: 600;
        }
        .stat-label {
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Service Matrix */
        .service-matrix {
            background: var(--bg-white);
        }
        .service-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 28px;
        }
        .service-featured {
            background: var(--bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: box-shadow var(--transition);
        }
        .service-featured:hover {
            box-shadow: var(--shadow-lg);
        }
        .service-featured .service-img {
            height: 240px;
            background: url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
        }
        .service-featured .service-body {
            padding: 28px;
            flex: 1;
        }
        .service-featured .service-body h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--secondary);
        }
        .service-featured .service-body p {
            color: var(--text-secondary);
            font-size: var(--font-xs);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .service-side {
            display: grid;
            grid-template-rows: 1fr 1fr;
            gap: 16px;
        }
        .service-card {
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: all var(--transition);
            border: 1px solid transparent;
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .service-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .service-card .s-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
        }
        .service-card .s-info h3 {
            font-size: var(--font-base);
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--secondary);
        }
        .service-card .s-info p {
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Brand Story */
        .brand-story {
            background: var(--bg);
            position: relative;
            overflow: hidden;
        }
        .brand-story .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .brand-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 420px;
            background: url('/assets/images/coverpic/cover-3.webp') center/cover no-repeat;
            box-shadow: var(--shadow-lg);
        }
        .brand-text h2 {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--secondary);
        }
        .brand-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
            font-size: var(--font-base);
        }
        .brand-text .brand-highlights {
            display: flex;
            gap: 24px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .brand-highlight-item {
            text-align: center;
            min-width: 80px;
        }
        .brand-highlight-item .bh-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .brand-highlight-item .bh-label {
            font-size: var(--font-xxs);
            color: var(--text-light);
            margin-top: 4px;
        }

        /* Comparison */
        .comparison {
            background: var(--bg-white);
        }
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .comparison-table thead th {
            background: var(--secondary);
            color: #fff;
            padding: 16px 20px;
            font-size: var(--font-xs);
            font-weight: 600;
            text-align: center;
        }
        .comparison-table thead th.highlight-col {
            background: var(--primary);
            font-size: var(--font-base);
            font-weight: 700;
        }
        .comparison-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            font-size: var(--font-xs);
            color: var(--text-secondary);
            background: var(--bg-white);
        }
        .comparison-table tbody tr:nth-child(even) td {
            background: var(--bg);
        }
        .comparison-table tbody td.highlight-col {
            background: var(--primary-light);
            font-weight: 600;
            color: var(--primary-dark);
        }
        .comparison-table .check-icon {
            color: var(--primary);
            font-weight: 700;
            font-size: 18px;
        }
        .comparison-table .cross-icon {
            color: #ccc;
            font-size: 18px;
        }

        /* Featured Content Cards */
        .featured-cards {
            background: var(--bg);
        }
        .cards-masonry {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .fcard {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .fcard:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }
        .fcard-img {
            height: 200px;
            background-size: cover;
            background-position: center;
        }
        .fcard-body {
            padding: 22px;
        }
        .fcard-body .fcard-tag {
            font-size: var(--font-xxs);
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }
        .fcard-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--secondary);
            line-height: 1.4;
        }
        .fcard-body p {
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .fcard-link {
            font-weight: 600;
            font-size: var(--font-xxs);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .fcard-link:hover {
            gap: 8px;
        }

        /* Testimonials */
        .testimonials {
            background: var(--bg-white);
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 24px;
            position: relative;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .testimonial-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .testimonial-card .t-quote {
            font-size: 40px;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
            opacity: 0.5;
        }
        .testimonial-card .t-text {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }
        .testimonial-card .t-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .t-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: var(--font-xs);
        }
        .t-name {
            font-weight: 600;
            font-size: var(--font-xxs);
            color: var(--secondary);
        }
        .t-role {
            font-size: 11px;
            color: var(--text-light);
        }

        /* News */
        .news-section {
            background: var(--bg);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
        }
        .news-list {
            list-style: none;
        }
        .news-list li {
            border-bottom: 1px solid var(--border-light);
            padding: 18px 0;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: background var(--transition);
        }
        .news-list li:hover {
            background: rgba(0, 168, 107, 0.02);
            padding-left: 8px;
            margin-left: -8px;
            border-radius: var(--radius-xs);
        }
        .news-date {
            flex-shrink: 0;
            width: 60px;
            text-align: center;
            font-weight: 700;
            color: var(--primary);
            font-size: var(--font-xs);
            line-height: 1.3;
            background: var(--primary-light);
            padding: 8px 6px;
            border-radius: var(--radius-xs);
        }
        .news-date .day {
            font-size: 22px;
            display: block;
        }
        .news-info h4 {
            font-size: var(--font-base);
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--secondary);
            line-height: 1.4;
        }
        .news-info p {
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .news-info .news-readmore {
            font-size: var(--font-xxs);
            font-weight: 600;
            color: var(--primary);
        }
        .news-sidebar {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-light);
            height: fit-content;
            position: sticky;
            top: 80px;
        }
        .news-sidebar h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--secondary);
        }
        .news-sidebar ul {
            list-style: none;
        }
        .news-sidebar ul li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            cursor: pointer;
            transition: color var(--transition);
        }
        .news-sidebar ul li:hover {
            color: var(--primary);
        }
        .news-sidebar ul li .hot-badge {
            display: inline-block;
            background: var(--accent-orange);
            color: #fff;
            font-size: 10px;
            padding: 2px 6px;
            border-radius: 3px;
            margin-left: 6px;
            font-weight: 600;
        }

        /* Ranking */
        .ranking {
            background: var(--bg-white);
        }
        .ranking-table-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .ranking-table {
            width: 100%;
            border-collapse: collapse;
        }
        .ranking-table thead th {
            background: var(--secondary);
            color: #fff;
            padding: 12px 16px;
            font-size: var(--font-xxs);
            font-weight: 600;
            text-align: left;
        }
        .ranking-table tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-light);
            font-size: var(--font-xs);
            color: var(--text-secondary);
        }
        .ranking-table .rank-num {
            font-weight: 800;
            font-size: 20px;
            color: var(--primary);
            width: 50px;
        }
        .ranking-table .rank-num.top {
            color: var(--accent-orange);
        }
        .ranking-table .trend-up {
            color: var(--primary);
            font-weight: 600;
        }
        .ranking-table .trend-hot {
            color: var(--accent-orange);
            font-weight: 600;
        }

        /* Timeline */
        .timeline {
            background: var(--bg);
        }
        .timeline-track {
            position: relative;
            padding-left: 40px;
        }
        .timeline-track::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--primary);
            border-radius: 2px;
            opacity: 0.3;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 32px;
            padding-left: 20px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 14px;
            height: 14px;
            background: var(--primary);
            border-radius: 50%;
            border: 3px solid var(--bg);
            box-shadow: 0 0 0 3px var(--primary-light);
        }
        .timeline-item .tl-date {
            font-size: var(--font-xxs);
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
            letter-spacing: 1px;
        }
        .timeline-item h4 {
            font-size: var(--font-base);
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 4px;
        }
        .timeline-item p {
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Guest Highlights */
        .guests {
            background: var(--bg-white);
        }
        .guest-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 8px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .guest-scroll::-webkit-scrollbar {
            height: 4px;
        }
        .guest-scroll::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }
        .guest-card {
            flex: 0 0 260px;
            scroll-snap-align: start;
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .guest-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .guest-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            margin: 0 auto 12px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
        }
        .guest-card h4 {
            font-size: var(--font-base);
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 2px;
        }
        .guest-card .guest-role {
            font-size: 11px;
            color: var(--text-light);
            margin-bottom: 8px;
        }
        .guest-card p {
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg);
        }
        .accordion {
            max-width: 800px;
            margin: 0 auto;
        }
        .accordion-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .accordion-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .accordion-header {
            width: 100%;
            background: none;
            padding: 18px 20px;
            text-align: left;
            font-size: var(--font-base);
            font-weight: 600;
            color: var(--secondary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: color var(--transition);
        }
        .accordion-header:hover {
            color: var(--primary);
        }
        .accordion-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            font-size: 16px;
            color: var(--primary);
            font-weight: 700;
        }
        .accordion-item.active .accordion-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .accordion-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .accordion-item.active .accordion-body {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .accordion-body p {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Platform Guarantee */
        .guarantee {
            background: var(--bg-white);
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .guarantee-card {
            text-align: center;
            padding: 28px 16px;
            border-radius: var(--radius-md);
            background: var(--bg);
            transition: all var(--transition);
        }
        .guarantee-card:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }
        .guarantee-icon {
            font-size: 36px;
            margin-bottom: 10px;
            display: block;
        }
        .guarantee-card h4 {
            font-size: var(--font-base);
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 4px;
        }
        .guarantee-card p {
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Subscribe */
        .subscribe {
            background: var(--secondary);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .subscribe::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: var(--primary);
            border-radius: 50%;
            opacity: 0.15;
        }
        .subscribe .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .subscribe h2 {
            font-size: var(--font-md);
            font-weight: 700;
            margin-bottom: 10px;
        }
        .subscribe p {
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            font-size: var(--font-xs);
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
        }
        .subscribe-form input {
            flex: 1;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: none;
            font-size: var(--font-base);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .subscribe-form input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.18);
        }

        /* Lead Form */
        .lead-form-section {
            background: var(--bg);
        }
        .lead-form-wrap {
            max-width: 560px;
            margin: 0 auto;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
        }
        .lead-form-wrap h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--secondary);
            text-align: center;
        }
        .lead-form-wrap .lead-sub {
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: 24px;
        }
        .lead-form .form-row {
            display: flex;
            gap: 12px;
            margin-bottom: 14px;
        }
        .lead-form .form-row input {
            flex: 1;
        }
        .lead-form .privacy-note {
            font-size: 11px;
            color: var(--text-light);
            text-align: center;
            margin-top: 10px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #007a4d 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            top: -60px;
            left: -80px;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            bottom: -40px;
            right: -40px;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: var(--font-lg);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: var(--font-base);
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .cta-form {
            max-width: 520px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .cta-form input {
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: none;
            font-size: var(--font-base);
            background: rgba(255, 255, 255, 0.95);
            color: var(--text);
        }
        .cta-form input::placeholder {
            color: #999;
        }
        .cta-trust {
            margin-top: 14px;
            font-size: var(--font-xxs);
            color: rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .cta-trust .trust-icon {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(255, 255, 255, 0.12);
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 11px;
        }

        /* Footer */
        .footer {
            background: #111;
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: var(--font-base);
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: var(--font-xxs);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: var(--font-xxs);
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        .footer-brand {
            font-weight: 700;
            color: #fff;
            font-size: 18px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 38px;
            }
            .hero-group-card {
                flex: 0 0 100%;
            }
            .hero .container {
                gap: 30px;
            }
            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .brand-story .container {
                grid-template-columns: 1fr;
            }
            .brand-img {
                height: 280px;
            }
            .cards-masonry {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .subscribe .container {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-search {
                width: 140px;
            }
            .nav-search input:focus {
                width: 160px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 50px 0;
            }
            .hero {
                min-height: auto;
                padding: 60px 0;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-group-card .group-count {
                font-size: 40px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-number {
                font-size: 28px;
            }
            .cards-masonry {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-title {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .comparison-table {
                min-width: 500px;
            }
            .nav-search {
                display: none;
            }
            .hero .container {
                flex-direction: column;
            }
            .hero-group-card {
                width: 100%;
            }
            .lead-form .form-row {
                flex-direction: column;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .guest-scroll {
                gap: 12px;
            }
            .guest-card {
                flex: 0 0 220px;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 26px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-item {
                padding: 20px 10px;
            }
            .stat-number {
                font-size: 24px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-xl {
                padding: 14px 28px;
                font-size: 16px;
            }
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .nav-right .btn {
                padding: 8px 14px;
                font-size: 12px;
            }
            .header .container {
                height: 56px;
            }
            .nav-logo {
                font-size: 16px;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
        }

        /* Mobile Nav Drawer */
        .mobile-nav-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1001;
            display: none;
        }
        .mobile-nav-overlay.open {
            display: block;
        }
        .mobile-nav-drawer {
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100%;
            background: var(--bg-white);
            z-index: 1002;
            padding: 24px;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            box-shadow: var(--shadow-xl);
            overflow-y: auto;
        }
        .mobile-nav-drawer.open {
            transform: translateX(0);
        }
        .mobile-nav-drawer .close-btn {
            background: none;
            font-size: 24px;
            color: var(--text);
            margin-bottom: 20px;
            display: block;
            margin-left: auto;
        }
        .mobile-nav-drawer a {
            display: block;
            padding: 12px 0;
            color: var(--text);
            font-weight: 500;
            border-bottom: 1px solid var(--border-light);
            font-size: var(--font-base);
        }
        .mobile-nav-drawer a:hover,
        .mobile-nav-drawer a.active {
            color: var(--primary);
        }
        .mobile-nav-drawer .mobile-search {
            margin-top: 16px;
        }
        .mobile-nav-drawer .mobile-search input {
            width: 100%;
            padding: 10px 14px;
            border-radius: 20px;
            border: 1px solid var(--border);
            font-size: var(--font-xs);
        }

/* roulang page: category3 */
:root {
            --primary: #00A86B;
            --primary-dark: #008F5B;
            --primary-light: #E6F7F1;
            --secondary: #1E1E1E;
            --accent: #FFD100;
            --accent-orange: #FF5E14;
            --bg: #F7F8FA;
            --bg-white: #FFFFFF;
            --text: #1E1E1E;
            --text-secondary: #5F6B7A;
            --text-light: #8B95A5;
            --border: #E5E7EB;
            --border-light: #F0F1F3;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.10);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --font-xl: 48px;
            --font-lg: 36px;
            --font-md: 28px;
            --font-sm: 24px;
            --font-base: 16px;
            --font-xs: 14px;
            --font-xxs: 12px;
            --transition: 0.25s ease;
            --container: 1200px;
            --gutter: 24px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            box-sizing: border-box;
        }

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-width: 320px;
            margin: 0;
            padding: 0;
        }

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

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

        a:hover {
            color: var(--primary-dark);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-xs);
            padding: 12px 16px;
            font-size: var(--font-base);
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            width: 100%;
        }

        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 168, 107, 0.08);
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 var(--gutter);
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
        }

        p {
            margin: 0 0 1em;
        }

        /* Header / Nav */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border-light);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
            text-decoration: none;
        }

        .nav-logo:hover {
            color: var(--primary-dark);
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -1px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: nowrap;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            color: var(--text-secondary);
            font-size: var(--font-xs);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links a.active {
            font-weight: 600;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            width: 180px;
        }

        .nav-search input {
            padding: 9px 36px 9px 14px;
            border-radius: 20px;
            font-size: var(--font-xxs);
            border: 1px solid var(--border);
            background: var(--bg);
            width: 100%;
            transition: all var(--transition);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            background: var(--bg-white);
            width: 200px;
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 14px;
            pointer-events: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: var(--font-xs);
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 2px solid var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--secondary);
            border: 2px solid var(--accent);
            font-weight: 700;
        }

        .btn-accent:hover {
            background: #e6b800;
            border-color: #e6b800;
            color: var(--secondary);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: var(--font-base);
            border-radius: var(--radius-md);
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

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

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Hero - 全宽大图 */
        .hero-banner {
            position: relative;
            width: 100%;
            min-height: 55vh;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 30, 15, 0.82) 0%, rgba(0, 60, 30, 0.55) 40%, rgba(0, 0, 0, 0.35) 100%);
            z-index: 1;
        }

        .hero-banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px var(--gutter);
            max-width: 900px;
            width: 100%;
        }

        .hero-banner-content .hero-label {
            display: inline-block;
            background: var(--accent);
            color: var(--secondary);
            font-weight: 700;
            font-size: var(--font-xxs);
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .hero-banner-content h1 {
            font-size: var(--font-xl);
            font-weight: 800;
            color: #ffffff;
            margin: 0 0 18px;
            letter-spacing: -0.5px;
            line-height: 1.2;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

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

        .hero-banner-content .hero-subtitle {
            font-size: var(--font-base);
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
        }

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

        /* Section */
        .section {
            padding: 72px 0;
        }

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

        .section-title {
            font-size: var(--font-md);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            margin-top: 10px;
        }

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

        .section-title.centered::after {
            margin-left: auto;
            margin-right: auto;
        }

        .section-subtitle {
            font-size: var(--font-base);
            color: var(--text-secondary);
            margin-bottom: 36px;
            line-height: 1.6;
        }

        .section-subtitle.centered {
            text-align: center;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

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

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

        /* 摘要列表 */
        .summary-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .summary-item {
            display: flex;
            gap: 28px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 28px;
            transition: all var(--transition);
            align-items: flex-start;
        }

        .summary-item:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
            transform: translateY(-2px);
        }

        .summary-item-image {
            flex-shrink: 0;
            width: 240px;
            height: 170px;
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
        }

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

        .summary-item:hover .summary-item-image img {
            transform: scale(1.05);
        }

        .summary-item-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
            min-width: 0;
        }

        .summary-item-body .item-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: var(--font-xxs);
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 12px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .summary-item-body h3 {
            font-size: var(--font-sm);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .summary-item-body .item-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: var(--font-xxs);
            color: var(--text-light);
            margin-bottom: 8px;
        }

        .summary-item-body .item-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .summary-item-body .item-desc {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
            flex: 1;
        }

        .summary-item-body .item-link {
            font-weight: 600;
            font-size: var(--font-xs);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
            align-self: flex-start;
        }

        .summary-item-body .item-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* 特色网格 */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 26px;
            color: var(--primary);
            transition: all var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #fff;
        }

        .feature-card h4 {
            font-size: var(--font-base);
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .feature-card p {
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* 流程 */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
            padding: 20px 12px;
        }

        .process-step .step-number {
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: var(--font-base);
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
            transition: all var(--transition);
        }

        .process-step:hover .step-number {
            background: var(--accent-orange);
            transform: scale(1.1);
            box-shadow: var(--shadow-lg);
        }

        .process-step h4 {
            font-size: var(--font-xs);
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text);
        }

        .process-step p {
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        .process-step::after {
            content: '';
            position: absolute;
            top: 38px;
            left: 60%;
            width: 80%;
            height: 2px;
            background: var(--border);
            z-index: 1;
        }

        .process-step:last-child::after {
            display: none;
        }

        /* 数据条 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }

        .stat-card .stat-number {
            font-size: var(--font-lg);
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 6px;
            letter-spacing: -1px;
        }

        .stat-card .stat-label {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* FAQ */
        .accordion {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .accordion-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }

        .accordion-item:hover {
            border-color: var(--primary-light);
        }

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

        .accordion-header:hover {
            background: var(--bg);
        }

        .accordion-header .accordion-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
            font-size: 18px;
            transition: all var(--transition);
        }

        .accordion-item.active .accordion-header .accordion-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .accordion-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .accordion-item.active .accordion-body {
            max-height: 300px;
        }

        .accordion-body-inner {
            padding: 0 22px 20px;
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #004d2e 0%, #007a45 40%, #00A86B 100%);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -40px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 40px;
            align-items: center;
            flex-wrap: wrap;
        }

        .cta-info {
            flex: 1;
            min-width: 280px;
        }

        .cta-info h2 {
            font-size: var(--font-md);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-info p {
            color: rgba(255, 255, 255, 0.85);
            font-size: var(--font-base);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .cta-form-wrap {
            flex: 1;
            min-width: 320px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-xl);
        }

        .cta-form-wrap h3 {
            font-size: var(--font-sm);
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text);
            text-align: center;
        }

        .cta-form-wrap .form-row {
            display: flex;
            gap: 12px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .cta-form-wrap .form-row input {
            flex: 1;
            min-width: 120px;
        }

        .cta-form-wrap .btn-submit {
            width: 100%;
            padding: 14px;
            font-size: var(--font-base);
            font-weight: 700;
            background: var(--accent);
            color: var(--secondary);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition);
            border: 2px solid var(--accent);
        }

        .cta-form-wrap .btn-submit:hover {
            background: #e6b800;
            border-color: #e6b800;
            box-shadow: var(--shadow-md);
        }

        .cta-form-wrap .form-trust {
            text-align: center;
            margin-top: 10px;
            font-size: var(--font-xxs);
            color: var(--text-light);
        }

        /* Footer */
        .footer {
            background: #1E1E1E;
            color: #b0b8c1;
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-col h4 {
            color: #fff;
            font-size: var(--font-base);
            font-weight: 700;
            margin-bottom: 16px;
        }

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

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

        .footer-col ul li a {
            color: #b0b8c1;
            font-size: var(--font-xs);
            transition: color var(--transition);
            text-decoration: none;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: var(--font-xxs);
            color: #8b95a5;
        }

        .footer-bottom a {
            color: #8b95a5;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        .footer-brand {
            color: var(--primary);
            font-weight: 700;
            font-size: var(--font-xs);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --font-xl: 38px;
                --font-lg: 30px;
                --font-md: 24px;
                --font-sm: 20px;
            }
            .nav-search {
                width: 140px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: var(--font-xxs);
            }
            .summary-item-image {
                width: 180px;
                height: 140px;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
            }
            .process-step:nth-child(3)::after {
                display: none;
            }
            .process-step:nth-child(4)::after {
                display: block;
                left: 60%;
                width: 80%;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --font-xl: 32px;
                --font-lg: 26px;
                --font-md: 22px;
                --font-sm: 18px;
                --font-base: 15px;
                --gutter: 16px;
            }
            .hamburger {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 16px;
                gap: 2px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.3s ease;
                z-index: 999;
                border-bottom: 2px solid var(--primary-light);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: var(--font-base);
                border-radius: var(--radius-sm);
            }
            .nav-right {
                gap: 8px;
            }
            .nav-search {
                width: 120px;
            }
            .nav-search input:focus {
                width: 140px;
            }
            .hero-banner {
                min-height: 45vh;
            }
            .hero-banner-content {
                padding: 40px var(--gutter);
            }
            .section {
                padding: 48px 0;
            }
            .summary-item {
                flex-direction: column;
                padding: 20px;
                gap: 16px;
            }
            .summary-item-image {
                width: 100%;
                height: 180px;
            }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .feature-card {
                padding: 20px 14px;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .process-step::after {
                display: none;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 22px 14px;
            }
            .cta-inner {
                flex-direction: column;
            }
            .cta-form-wrap {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --font-xl: 28px;
                --font-lg: 22px;
                --font-md: 20px;
                --font-sm: 17px;
                --gutter: 12px;
            }
            .nav-logo {
                font-size: 17px;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .nav-search {
                width: 100px;
            }
            .nav-search input:focus {
                width: 120px;
            }
            .hero-banner {
                min-height: 40vh;
            }
            .hero-banner-content h1 {
                font-size: 26px;
            }
            .hero-banner-content .hero-subtitle {
                font-size: 14px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 6px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card .stat-number {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-form-wrap {
                padding: 20px 16px;
            }
            .cta-form-wrap .form-row {
                flex-direction: column;
            }
            .summary-item-image {
                height: 150px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #00A86B;
            --primary-dark: #008F5B;
            --primary-light: #E6F7F1;
            --secondary: #1E1E1E;
            --accent: #FFD100;
            --accent-orange: #FF5E14;
            --bg: #F7F8FA;
            --bg-white: #FFFFFF;
            --text: #1E1E1E;
            --text-secondary: #5F6B7A;
            --text-light: #8B95A5;
            --border: #E5E7EB;
            --border-light: #F0F1F3;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.10);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --font-xl: 48px;
            --font-lg: 36px;
            --font-md: 28px;
            --font-sm: 24px;
            --font-base: 16px;
            --font-xs: 14px;
            --font-xxs: 12px;
            --transition: 0.25s ease;
            --container: 1200px;
            --gutter: 24px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-width: 320px;
        }

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

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

        a:hover {
            color: var(--primary-dark);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-xs);
            padding: 12px 16px;
            font-size: var(--font-base);
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            width: 100%;
        }

        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 168, 107, 0.08);
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 var(--gutter);
        }

        /* Header / Nav */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border-light);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -1px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            color: var(--text-secondary);
            font-size: var(--font-xs);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links a.active {
            font-weight: 600;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            width: 180px;
        }

        .nav-search input {
            padding: 9px 36px 9px 14px;
            border-radius: 20px;
            font-size: var(--font-xxs);
            border: 1px solid var(--border);
            background: var(--bg);
            width: 100%;
            transition: all var(--transition);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            background: var(--bg-white);
            width: 200px;
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 14px;
            pointer-events: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: var(--font-xs);
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            gap: 6px;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--secondary);
            font-weight: 700;
        }

        .btn-accent:hover {
            background: #e6bc00;
            color: var(--secondary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: var(--font-base);
            border-radius: var(--radius-md);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: var(--font-xxs);
            border-radius: var(--radius-xs);
        }

        /* Section */
        .section {
            padding: 70px 0;
        }

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

        .section-title {
            font-size: var(--font-md);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: var(--font-base);
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.6;
        }

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

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

        /* Badge */
        .badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: var(--font-xxs);
            font-weight: 600;
            letter-spacing: 0.3px;
        }

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

        .badge-accent {
            background: #FFF9E6;
            color: #B8860B;
        }

        .badge-orange {
            background: #FFF0E8;
            color: var(--accent-orange);
        }

        /* Card */
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: all var(--transition);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: transparent;
        }

        .card-body {
            padding: 20px;
        }

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            background: #e8ecef;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            background: var(--secondary);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.55;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 0, 0, 0.65) 0%, rgba(0, 30, 15, 0.5) 60%, rgba(0, 0, 0, 0.3) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 40px 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: var(--secondary);
            font-weight: 700;
            font-size: var(--font-xs);
            padding: 8px 16px;
            border-radius: 30px;
            margin-bottom: 18px;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.04);
            }
        }

        .hero-badge .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-orange);
            animation: blink-dot 1s ease-in-out infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hero h1 {
            font-size: var(--font-xl);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

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

        .hero p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 580px;
        }

        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-xxs);
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .sep {
            color: var(--border);
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Main layout: list + sidebar */
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }

        .content-main {
            min-width: 0;
        }

        .content-sidebar {
            position: sticky;
            top: 84px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        /* Service list item */
        .service-list-item {
            display: flex;
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 20px;
            transition: all var(--transition);
            margin-bottom: 16px;
            align-items: flex-start;
        }

        .service-list-item:hover {
            box-shadow: var(--shadow-lg);
            border-color: transparent;
            transform: translateY(-1px);
        }

        .service-list-item .list-item-img {
            width: 200px;
            min-width: 200px;
            height: 140px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            background: #e8ecef;
            flex-shrink: 0;
        }

        .service-list-item .list-item-body {
            flex: 1;
            min-width: 0;
        }

        .service-list-item .list-item-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .service-list-item .list-item-body h3 a {
            color: var(--text);
        }

        .service-list-item .list-item-body h3 a:hover {
            color: var(--primary);
        }

        .service-list-item .list-item-body .item-meta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            font-size: var(--font-xxs);
            color: var(--text-light);
            margin-bottom: 8px;
        }

        .service-list-item .list-item-body .item-desc {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .service-list-item .list-item-body .item-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-top: 10px;
        }

        .tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 15px;
            font-size: 11px;
            font-weight: 500;
            background: var(--bg);
            color: var(--text-secondary);
            border: 1px solid var(--border-light);
        }

        .tag:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        /* Sidebar */
        .sidebar-widget {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 20px;
        }

        .sidebar-widget h4 {
            font-size: var(--font-base);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }

        .filter-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .filter-list li a {
            display: block;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: var(--font-xs);
            transition: all var(--transition);
        }

        .filter-list li a:hover,
        .filter-list li a.filter-active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }

        .filter-list li a .count {
            float: right;
            font-size: var(--font-xxs);
            color: var(--text-light);
            background: var(--bg);
            padding: 1px 8px;
            border-radius: 10px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag {
            cursor: pointer;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            border: none;
        }

        .sidebar-cta h4 {
            color: #fff;
            font-size: var(--font-base);
            font-weight: 700;
            margin-bottom: 8px;
            border-bottom: none;
            padding-bottom: 0;
        }

        .sidebar-cta p {
            font-size: var(--font-xxs);
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 14px;
            line-height: 1.5;
        }

        .sidebar-cta .btn {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
        }

        .sidebar-cta .btn:hover {
            background: var(--accent);
            color: var(--secondary);
        }

        /* Highlights */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .highlight-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

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

        .highlight-card .hl-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            background: var(--primary-light);
            color: var(--primary);
        }

        .highlight-card .hl-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
        }

        .highlight-card .hl-label {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.4;
        }

        /* Process */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .process-step {
            text-align: center;
            position: relative;
        }

        .process-step .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            position: relative;
            z-index: 2;
        }

        .process-step .step-line {
            position: absolute;
            top: 22px;
            left: 60%;
            width: 80%;
            height: 2px;
            background: var(--border);
            z-index: 1;
        }

        .process-step:last-child .step-line {
            display: none;
        }

        .process-step h4 {
            font-size: var(--font-xs);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }

        .process-step p {
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            line-height: 1.4;
        }

        /* Stats strip */
        .stats-strip {
            background: var(--secondary);
            padding: 40px 0;
        }

        .stats-strip .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stats-strip .stat-item .stat-num {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stats-strip .stat-item .stat-label {
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.78);
        }

        /* FAQ */
        .accordion {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .accordion-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }

        .accordion-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .accordion-header {
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 700;
            font-size: var(--font-base);
            color: var(--text);
            transition: color var(--transition);
            user-select: none;
            gap: 12px;
        }

        .accordion-header:hover {
            color: var(--primary);
        }

        .accordion-header .accordion-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: all var(--transition);
            flex-shrink: 0;
            color: var(--text-secondary);
        }

        .accordion-item.active .accordion-header .accordion-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .accordion-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .accordion-item.active .accordion-body {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #004d2e 0%, #002a18 50%, #001a0f 100%);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover;
            opacity: 0.12;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: var(--font-lg);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: var(--font-base);
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 560px;
            margin: 0 auto 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 180px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            font-size: var(--font-base);
            background: #fff;
        }

        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(255, 209, 0, 0.15);
        }

        .cta-form .btn {
            padding: 14px 30px;
            font-size: var(--font-base);
            font-weight: 700;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .cta-trust {
            font-size: var(--font-xxs);
            color: rgba(255, 255, 255, 0.55);
            margin-top: 8px;
        }

        /* Footer */
        .footer {
            background: #141414;
            color: #b0b8c1;
            padding: 50px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-col h4 {
            color: #fff;
            font-size: var(--font-base);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: #b0b8c1;
            font-size: var(--font-xs);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: var(--font-xxs);
            color: #7a8490;
        }

        .footer-bottom a {
            color: #7a8490;
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        .footer-brand {
            color: #fff;
            font-weight: 700;
            font-size: var(--font-xs);
        }

        /* Mobile menu */
        .mobile-toggle {
            display: none;
            background: none;
            font-size: 24px;
            color: var(--text);
            padding: 6px;
            border-radius: var(--radius-xs);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr 280px;
                gap: 24px;
            }
            .service-list-item {
                flex-direction: column;
            }
            .service-list-item .list-item-img {
                width: 100%;
                min-width: 100%;
                height: 180px;
            }
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
            }
            .process-step .step-line {
                display: none;
            }
            .stats-strip .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: var(--font-xxs);
            }
            .nav-search {
                width: 140px;
            }
            .hero h1 {
                font-size: 36px;
            }
        }

        @media (max-width: 768px) {
            .content-layout {
                grid-template-columns: 1fr;
            }
            .content-sidebar {
                position: static;
                order: -1;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 12px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--border);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-search {
                width: 120px;
            }
            .nav-right {
                gap: 8px;
            }
            .nav-right .btn {
                padding: 8px 14px;
                font-size: var(--font-xxs);
            }
            .hero {
                min-height: 45vh;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero p {
                font-size: 15px;
            }
            .hero-btns {
                flex-direction: column;
            }
            .highlights-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stats-strip .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stats-strip .stat-item .stat-num {
                font-size: 30px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
                max-width: 400px;
            }
            .service-list-item {
                padding: 14px;
            }
            .service-list-item .list-item-img {
                height: 150px;
            }
            .service-list-item .list-item-body h3 {
                font-size: 16px;
            }
        }

        @media (max-width: 520px) {
            .header .container {
                height: 56px;
            }
            .nav-logo {
                font-size: 17px;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
            .nav-search {
                width: 100px;
            }
            .nav-search input {
                padding: 7px 28px 7px 10px;
                font-size: 11px;
            }
            .nav-right .btn {
                padding: 6px 10px;
                font-size: 11px;
            }
            .hero {
                min-height: 40vh;
            }
            .hero h1 {
                font-size: 24px;
            }
            .hero p {
                font-size: 14px;
            }
            .hero-badge {
                font-size: 11px;
                padding: 6px 12px;
            }
            .highlights-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .stats-strip .stats-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section-title {
                font-size: 20px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .service-list-item .list-item-img {
                height: 130px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #00A86B;
            --primary-dark: #008F5B;
            --primary-light: #E6F7F1;
            --secondary: #1E1E1E;
            --accent: #FFD100;
            --accent-orange: #FF5E14;
            --bg: #F7F8FA;
            --bg-white: #FFFFFF;
            --text: #1E1E1E;
            --text-secondary: #5F6B7A;
            --text-light: #8B95A5;
            --border: #E5E7EB;
            --border-light: #F0F1F3;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.10);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --font-xl: 48px;
            --font-lg: 36px;
            --font-md: 28px;
            --font-sm: 24px;
            --font-base: 16px;
            --font-xs: 14px;
            --font-xxs: 12px;
            --transition: 0.25s ease;
            --container: 1200px;
            --gutter: 24px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-width: 320px;
        }

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

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

        a:hover {
            color: var(--primary-dark);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-xs);
            padding: 12px 16px;
            font-size: var(--font-base);
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            width: 100%;
        }

        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 168, 107, 0.08);
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 var(--gutter);
        }

        /* Header / Nav */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border-light);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
            text-decoration: none;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -1px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            color: var(--text-secondary);
            font-size: var(--font-xs);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links a.active {
            font-weight: 600;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            width: 180px;
        }

        .nav-search input {
            padding: 9px 36px 9px 14px;
            border-radius: 20px;
            font-size: var(--font-xxs);
            border: 1px solid var(--border);
            background: var(--bg);
            width: 100%;
            transition: all var(--transition);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            background: var(--bg-white);
            width: 200px;
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 14px;
            pointer-events: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: var(--font-xs);
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            gap: 6px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(0, 168, 107, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 4px 16px rgba(0, 168, 107, 0.35);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--secondary);
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(255, 209, 0, 0.35);
            animation: pulse-accent 2.5s ease-in-out infinite;
        }

        .btn-accent:hover {
            background: #FFC800;
            color: #000;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 209, 0, 0.45);
        }

        @keyframes pulse-accent {
            0%,
            100% {
                box-shadow: 0 4px 16px rgba(255, 209, 0, 0.35);
            }
            50% {
                box-shadow: 0 8px 32px rgba(255, 209, 0, 0.55);
            }
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: var(--font-base);
            border-radius: var(--radius-md);
        }

        .btn-xl {
            padding: 16px 40px;
            font-size: 18px;
            border-radius: var(--radius-md);
            font-weight: 700;
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

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

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Section */
        .section {
            padding: 70px 0;
        }

        .section-sm {
            padding: 50px 0;
        }

        .section-title {
            font-size: var(--font-md);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: var(--font-base);
            color: var(--text-secondary);
            margin-bottom: 36px;
            line-height: 1.6;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-title {
            font-size: var(--font-lg);
        }

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

        /* Hero - Coupon Wall */
        .hero-coupon {
            position: relative;
            min-height: 75vh;
            background: linear-gradient(170deg, #1a1a2e 0%, #0d1b1a 40%, #0a2a20 100%);
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 60px 0 80px;
        }

        .hero-coupon .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }

        .hero-coupon .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(0, 168, 107, 0.08) 0%, transparent 70%),
                linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.7) 100%);
            z-index: 1;
        }

        .hero-coupon .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .hero-coupon .hero-text {
            text-align: center;
            margin-bottom: 40px;
            color: #fff;
        }

        .hero-coupon .hero-text h1 {
            font-size: clamp(32px, 5vw, var(--font-xl));
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

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

        .hero-coupon .hero-text .hero-subtitle {
            font-size: clamp(16px, 2.2vw, 20px);
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
            max-width: 650px;
            margin: 0 auto;
        }

        /* Coupon Wall */
        .coupon-wall {
            display: flex;
            align-items: flex-end;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            width: 100%;
            max-width: 1100px;
            perspective: 800px;
        }

        .coupon-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 0;
            width: 200px;
            min-width: 160px;
            flex-shrink: 0;
            position: relative;
            box-shadow: var(--shadow-lg);
            transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            cursor: default;
            border: 2px dashed #e0e0e0;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        .coupon-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
        }

        .coupon-card .coupon-tag {
            background: var(--primary);
            color: #fff;
            font-size: var(--font-xxs);
            font-weight: 700;
            padding: 8px 14px;
            text-align: center;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .coupon-card .coupon-body {
            padding: 20px 16px 18px;
            text-align: center;
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .coupon-card .coupon-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 4px;
        }

        .coupon-card .coupon-value {
            font-size: var(--font-sm);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }

        .coupon-card .coupon-desc {
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            line-height: 1.4;
        }

        .coupon-card.coupon-main {
            width: 260px;
            min-width: 220px;
            border: 3px solid var(--accent);
            box-shadow: 0 12px 40px rgba(255, 209, 0, 0.3);
            z-index: 5;
            transform: scale(1.08);
            border-radius: var(--radius-xl);
        }

        .coupon-card.coupon-main:hover {
            transform: scale(1.1) translateY(-10px);
            box-shadow: 0 20px 56px rgba(255, 209, 0, 0.4);
        }

        .coupon-card.coupon-main .coupon-tag {
            background: var(--accent);
            color: #1E1E1E;
            font-size: var(--font-xs);
            padding: 10px 18px;
            letter-spacing: 2px;
        }

        .coupon-card.coupon-main .coupon-body {
            padding: 28px 20px 24px;
            gap: 10px;
        }

        .coupon-card.coupon-main .coupon-icon {
            width: 60px;
            height: 60px;
            font-size: 30px;
            background: #FFF9E6;
        }

        .coupon-card.coupon-main .coupon-value {
            font-size: 28px;
            color: #B8860B;
        }

        .coupon-card.coupon-main .coupon-desc {
            font-size: var(--font-xs);
        }

        .coupon-card.coupon-main .btn-accent {
            margin-top: 6px;
            font-size: var(--font-xs);
            padding: 10px 24px;
            border-radius: 20px;
        }

        .coupon-card .coupon-ribbon {
            position: absolute;
            top: -6px;
            right: -6px;
            width: 50px;
            height: 50px;
            background: var(--accent-orange);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
            font-weight: 700;
            color: #fff;
            z-index: 2;
            box-shadow: 0 3px 10px rgba(255, 94, 20, 0.3);
        }

        /* Cards */
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            background: #e8ecef;
        }

        .card-body {
            padding: 20px;
        }

        .card-title {
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 8px;
            color: var(--text);
            line-height: 1.3;
        }

        .card-text {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Grid */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

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

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /* Stats */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
        }

        .stat-item {
            flex: 1;
            min-width: 180px;
            text-align: center;
            padding: 28px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
        }

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

        .stat-number {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Process Steps */
        .process-steps {
            display: flex;
            gap: 0;
            flex-wrap: wrap;
            justify-content: center;
            position: relative;
        }

        .process-step {
            flex: 1;
            min-width: 200px;
            text-align: center;
            padding: 32px 20px;
            position: relative;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            margin: 0 12px;
            transition: all var(--transition);
        }

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

        .process-step .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            box-shadow: 0 4px 14px rgba(0, 168, 107, 0.3);
        }

        .process-step .step-title {
            font-weight: 700;
            font-size: 17px;
            margin-bottom: 6px;
            color: var(--text);
        }

        .process-step .step-desc {
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .process-arrow {
            display: flex;
            align-items: center;
            font-size: 28px;
            color: var(--primary);
            font-weight: 700;
            flex-shrink: 0;
            padding: 0 4px;
        }

        /* FAQ */
        .accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .accordion-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .accordion-header {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: var(--font-base);
            color: var(--text);
            cursor: pointer;
            text-align: left;
            gap: 12px;
            transition: background var(--transition);
        }

        .accordion-header:hover {
            background: var(--primary-light);
        }

        .accordion-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            transition: all var(--transition);
            font-size: 18px;
            line-height: 1;
        }

        .accordion-item.active .accordion-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .accordion-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
        }

        .accordion-item.active .accordion-body {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        .accordion-body p {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #0a2a20 0%, #0d3d2e 50%, #0a2a20 100%);
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 168, 107, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-form-wrap {
            max-width: 580px;
            margin: 0 auto;
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-xl);
        }

        .cta-form-wrap h3 {
            font-size: var(--font-sm);
            font-weight: 700;
            text-align: center;
            margin-bottom: 6px;
            color: var(--text);
        }

        .cta-form-wrap .cta-subtitle {
            text-align: center;
            font-size: var(--font-xs);
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-weight: 600;
            font-size: var(--font-xs);
            margin-bottom: 5px;
            color: var(--text);
        }

        .form-row {
            display: flex;
            gap: 14px;
        }

        .form-row .form-group {
            flex: 1;
        }

        .trust-badges {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            margin-top: 18px;
            flex-wrap: wrap;
        }

        .trust-badge {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: var(--font-xxs);
            color: var(--text-light);
        }

        .trust-badge .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
        }

        /* Footer */
        .footer {
            background: #1E1E1E;
            color: #b0b8c1;
            padding: 50px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-col h4 {
            color: #fff;
            font-size: var(--font-base);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: #b0b8c1;
            font-size: var(--font-xs);
            transition: color var(--transition);
            text-decoration: none;
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: var(--font-xxs);
            color: #8899a6;
            gap: 10px;
        }

        .footer-bottom a {
            color: #8899a6;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        .footer-brand {
            color: var(--primary);
            font-weight: 700;
            font-size: var(--font-xs);
        }

        /* Badge */
        .badge {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: var(--font-xxs);
            font-weight: 600;
            letter-spacing: 0.5px;
        }

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

        .badge-accent {
            background: #FFF9E6;
            color: #B8860B;
        }

        /* Pagination */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 28px;
        }

        .pagination-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--border);
            cursor: pointer;
            transition: all var(--transition);
            border: none;
            padding: 0;
        }

        .pagination-dot.active {
            background: var(--primary);
            width: 28px;
            border-radius: 10px;
        }

        .pagination-dot:hover {
            background: var(--primary-light);
        }

        /* Case cards with pagination */
        .case-slider {
            position: relative;
            overflow: hidden;
        }

        .case-slide-group {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            transition: opacity 0.4s ease;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                gap: 16px;
            }
            .process-step {
                min-width: 160px;
                margin: 0 4px;
            }
            .process-arrow {
                font-size: 20px;
                padding: 0 2px;
            }
            .coupon-card {
                width: 150px;
                min-width: 130px;
            }
            .coupon-card.coupon-main {
                width: 210px;
                min-width: 180px;
            }
            .case-slide-group {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-search {
                width: 140px;
            }
            .nav-search input:focus {
                width: 160px;
            }
        }

        @media (max-width: 768px) {
            .header .container {
                height: 56px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 16px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--border);
                z-index: 999;
                gap: 2px;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                width: 100%;
                font-size: var(--font-base);
                border-radius: var(--radius-sm);
            }
            .hamburger {
                display: flex;
            }
            .nav-right {
                gap: 8px;
            }
            .nav-search {
                width: 120px;
            }
            .nav-search input:focus {
                width: 140px;
            }
            .nav-right .btn {
                padding: 8px 14px;
                font-size: var(--font-xxs);
            }
            .hero-coupon {
                min-height: auto;
                padding: 40px 0 50px;
            }
            .coupon-wall {
                gap: 12px;
                flex-direction: column;
                align-items: center;
            }
            .coupon-card {
                width: 100%;
                max-width: 320px;
                min-width: auto;
                flex-direction: row;
                border-radius: var(--radius-md);
            }
            .coupon-card .coupon-tag {
                writing-mode: horizontal-tb;
                padding: 10px 16px;
                flex-shrink: 0;
                display: flex;
                align-items: center;
                min-width: 80px;
                justify-content: center;
                border-radius: var(--radius-md) 0 0 var(--radius-md);
            }
            .coupon-card .coupon-body {
                flex-direction: row;
                text-align: left;
                gap: 10px;
                padding: 14px 16px;
                flex: 1;
                align-items: center;
            }
            .coupon-card .coupon-icon {
                width: 38px;
                height: 38px;
                font-size: 18px;
                margin-bottom: 0;
                flex-shrink: 0;
            }
            .coupon-card.coupon-main {
                width: 100%;
                max-width: 360px;
                transform: scale(1);
                flex-direction: column;
                border-radius: var(--radius-lg);
            }
            .coupon-card.coupon-main:hover {
                transform: scale(1.02) translateY(-4px);
            }
            .coupon-card.coupon-main .coupon-tag {
                border-radius: var(--radius-lg) var(--radius-lg) 0 0;
                min-width: auto;
                width: 100%;
                writing-mode: horizontal-tb;
                padding: 12px;
            }
            .coupon-card.coupon-main .coupon-body {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .process-steps {
                flex-direction: column;
                align-items: center;
            }
            .process-arrow {
                transform: rotate(90deg);
                font-size: 22px;
                padding: 4px 0;
            }
            .process-step {
                width: 100%;
                max-width: 360px;
                margin: 0;
            }
            .stats-row {
                flex-direction: column;
                align-items: center;
            }
            .stat-item {
                width: 100%;
                max-width: 360px;
            }
            .case-slide-group {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }
            .cta-form-wrap {
                padding: 28px 20px;
            }
            .form-row {
                flex-direction: column;
                gap: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .section {
                padding: 48px 0;
            }
            .section-header .section-title {
                font-size: var(--font-md);
            }
            .coupon-card .coupon-ribbon {
                top: -4px;
                right: -4px;
                width: 36px;
                height: 36px;
                font-size: 8px;
            }
        }

        @media (max-width: 520px) {
            .nav-search {
                display: none;
            }
            .nav-right .btn {
                padding: 7px 12px;
                font-size: 11px;
            }
            .hero-coupon .hero-text h1 {
                font-size: 26px;
            }
            .hero-coupon .hero-text .hero-subtitle {
                font-size: 14px;
            }
            .coupon-card {
                max-width: 280px;
            }
            .coupon-card.coupon-main {
                max-width: 300px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stat-number {
                font-size: 32px;
            }
            .section-title {
                font-size: 22px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #00A86B;
            --primary-dark: #008F5B;
            --primary-light: #E6F7F1;
            --secondary: #1E1E1E;
            --accent: #FFD100;
            --accent-orange: #FF5E14;
            --bg: #F7F8FA;
            --bg-white: #FFFFFF;
            --text: #1E1E1E;
            --text-secondary: #5F6B7A;
            --text-light: #8B95A5;
            --border: #E5E7EB;
            --border-light: #F0F1F3;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.10);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --font-xl: 48px;
            --font-lg: 36px;
            --font-md: 28px;
            --font-sm: 24px;
            --font-base: 16px;
            --font-xs: 14px;
            --font-xxs: 12px;
            --transition: 0.25s ease;
            --container: 1200px;
            --gutter: 24px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-width: 320px;
        }

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

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

        a:hover {
            color: var(--primary-dark);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-xs);
            padding: 12px 16px;
            font-size: var(--font-base);
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            width: 100%;
        }

        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 168, 107, 0.08);
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 var(--gutter);
        }

        /* Header / Nav */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border-light);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
            text-decoration: none;
        }

        .nav-logo:hover {
            color: var(--primary-dark);
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -1px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            color: var(--text-secondary);
            font-size: var(--font-xs);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links a.active {
            font-weight: 600;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            width: 180px;
        }

        .nav-search input {
            padding: 9px 36px 9px 14px;
            border-radius: 20px;
            font-size: var(--font-xxs);
            border: 1px solid var(--border);
            background: var(--bg);
            width: 100%;
            transition: all var(--transition);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            background: var(--bg-white);
            width: 200px;
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 14px;
            pointer-events: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: var(--font-xs);
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            gap: 6px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 2px solid var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--secondary);
            border: 2px solid var(--accent);
            font-weight: 700;
        }

        .btn-accent:hover {
            background: #e6b800;
            border-color: #e6b800;
            color: var(--secondary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: var(--font-base);
            border-radius: var(--radius-md);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: var(--font-xxs);
            border-radius: var(--radius-xs);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 168, 107, 0.82) 0%, rgba(30, 30, 30, 0.65) 100%);
            z-index: 1;
        }

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

        .hero-content {
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--secondary);
            font-weight: 700;
            font-size: var(--font-xs);
            padding: 8px 18px;
            border-radius: 30px;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.04);
            }
        }

        .hero-badge .badge-dot {
            width: 10px;
            height: 10px;
            background: var(--accent-orange);
            border-radius: 50%;
            animation: blink-dot 1.2s ease-in-out infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }

        .hero h1 {
            font-size: var(--font-xl);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero h1 span {
            color: var(--accent);
        }

        .hero .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.6;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* Section */
        .section {
            padding: 72px 0;
        }

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

        .section-title {
            font-size: var(--font-md);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: var(--font-base);
            color: var(--text-secondary);
            margin-bottom: 36px;
            line-height: 1.6;
        }

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

        .section-header.centered {
            text-align: center;
        }

        /* Two-column layout */
        .two-col {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 40px;
            align-items: start;
        }

        .col-main {
            min-width: 0;
        }

        .col-sidebar {
            position: sticky;
            top: 84px;
        }

        /* Content blocks */
        .content-block {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            margin-bottom: 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .content-block h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            line-height: 1.4;
        }

        .content-block p {
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }

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

        .content-block .highlight-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
        }

        .content-block .highlight-label {
            font-size: var(--font-xs);
            color: var(--text-light);
            font-weight: 500;
        }

        /* Process steps */
        .process-steps {
            list-style: none;
            counter-reset: step;
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .process-steps li {
            counter-increment: step;
            display: flex;
            gap: 18px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: flex-start;
        }

        .process-steps li:last-child {
            border-bottom: none;
        }

        .process-steps .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
        }

        .process-steps .step-info h4 {
            font-size: var(--font-base);
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .process-steps .step-info p {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* Sidebar cards */
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }

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

        .sidebar-card h4 {
            font-size: var(--font-base);
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .sidebar-card p {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .sidebar-card .card-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 14px;
            aspect-ratio: 16 / 9;
        }

        .sidebar-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .sidebar-card .tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: var(--font-xxs);
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            margin-bottom: 8px;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            color: #fff;
            text-align: center;
            border: none;
            box-shadow: var(--shadow-lg);
        }

        .sidebar-cta h4 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .sidebar-cta p {
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 18px;
            line-height: 1.6;
        }

        .sidebar-cta .btn-accent {
            width: 100%;
            justify-content: center;
            padding: 12px 20px;
            font-size: var(--font-base);
        }

        /* Stats row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 28px;
        }

        .stat-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .stat-item .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: var(--font-xxs);
            color: var(--text-light);
            font-weight: 500;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-white);
            margin-bottom: 10px;
            transition: box-shadow var(--transition);
        }

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

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

        .faq-question:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: -2px;
            border-radius: var(--radius-md);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            transition: transform var(--transition), background var(--transition);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px 22px;
            color: var(--text-secondary);
            font-size: var(--font-xs);
            line-height: 1.7;
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #2a2a2a 100%);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(0, 168, 107, 0.12);
            top: -60px;
            right: -80px;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-info {
            flex: 1;
            min-width: 280px;
        }

        .cta-info h2 {
            font-size: var(--font-md);
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .cta-info p {
            font-size: var(--font-base);
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
        }

        .cta-form-wrap {
            flex: 1;
            min-width: 320px;
            max-width: 480px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-xl);
        }

        .cta-form-wrap h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text);
            text-align: center;
        }

        .cta-form-wrap .form-row {
            display: flex;
            gap: 12px;
            margin-bottom: 14px;
        }

        .cta-form-wrap .form-row input {
            flex: 1;
        }

        .cta-form-wrap textarea {
            resize: vertical;
            min-height: 80px;
            margin-bottom: 14px;
        }

        .cta-form-wrap .btn {
            width: 100%;
            padding: 14px;
            font-size: var(--font-base);
            font-weight: 700;
        }

        .trust-badges {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 14px;
            font-size: var(--font-xxs);
            color: var(--text-light);
        }

        .trust-badges span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* Footer */
        .footer {
            background: #1a1a1a;
            color: #b0b8c1;
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-col h4 {
            color: #fff;
            font-size: var(--font-base);
            font-weight: 600;
            margin-bottom: 16px;
        }

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

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

        .footer-col ul li a {
            color: #b0b8c1;
            font-size: var(--font-xs);
            transition: color var(--transition);
            text-decoration: none;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: var(--font-xxs);
            color: #8b95a5;
        }

        .footer-bottom .footer-brand {
            font-weight: 700;
            color: #fff;
            font-size: var(--font-xs);
        }

        .footer-bottom a {
            color: #8b95a5;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .two-col {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .col-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .col-sidebar .sidebar-card,
            .col-sidebar .sidebar-cta {
                margin-bottom: 0;
            }
            .col-sidebar .sidebar-cta {
                grid-column: 1 / -1;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: var(--font-xxs);
            }
            .nav-search {
                width: 140px;
            }
            .nav-search input:focus {
                width: 160px;
            }
            .hero h1 {
                font-size: 36px;
            }
            .hero .hero-subtitle {
                font-size: 16px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .header .container {
                flex-wrap: wrap;
                height: auto;
                padding: 12px var(--gutter);
                gap: 8px;
            }
            .nav-links {
                order: 3;
                width: 100%;
                overflow-x: auto;
                flex-wrap: nowrap;
                gap: 2px;
                padding-bottom: 4px;
                -webkit-overflow-scrolling: touch;
            }
            .nav-links a {
                padding: 7px 10px;
                font-size: 11px;
                white-space: nowrap;
            }
            .nav-right {
                gap: 8px;
            }
            .nav-search {
                width: 120px;
            }
            .nav-search input {
                font-size: 11px;
                padding: 8px 30px 8px 10px;
            }
            .nav-search input:focus {
                width: 140px;
            }
            .btn {
                padding: 8px 14px;
                font-size: 11px;
            }
            .hero {
                min-height: 40vh;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero .hero-subtitle {
                font-size: 14px;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .section {
                padding: 40px 0;
            }
            .two-col {
                grid-template-columns: 1fr;
            }
            .col-sidebar {
                position: static;
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .stat-num {
                font-size: 24px;
            }
            .content-block {
                padding: 20px;
            }
            .content-block .highlight-num {
                font-size: 32px;
            }
            .process-steps li {
                gap: 12px;
                padding: 14px 0;
            }
            .process-steps .step-num {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .cta-section .container {
                flex-direction: column;
            }
            .cta-form-wrap {
                max-width: 100%;
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .section-title {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 16px;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
            .nav-right {
                gap: 4px;
            }
            .nav-search {
                width: 100px;
            }
            .btn {
                padding: 7px 10px;
                font-size: 10px;
            }
            .hero h1 {
                font-size: 24px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-item {
                padding: 14px 10px;
            }
            .stat-item .stat-num {
                font-size: 22px;
            }
            .content-block {
                padding: 16px;
            }
            .content-block h3 {
                font-size: 17px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .cta-form-wrap .form-row {
                flex-direction: column;
            }
            .two-col {
                gap: 16px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #00A86B;
            --primary-dark: #008F5B;
            --primary-light: #E6F7F1;
            --secondary: #1E1E1E;
            --accent: #FFD100;
            --accent-orange: #FF5E14;
            --bg: #F7F8FA;
            --bg-white: #FFFFFF;
            --text: #1E1E1E;
            --text-secondary: #5F6B7A;
            --text-light: #8B95A5;
            --border: #E5E7EB;
            --border-light: #F0F1F3;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.10);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --font-xl: 48px;
            --font-lg: 36px;
            --font-md: 28px;
            --font-sm: 24px;
            --font-base: 16px;
            --font-xs: 14px;
            --font-xxs: 12px;
            --transition: 0.25s ease;
            --container: 1200px;
            --gutter: 24px;
            --timeline-line: #D1D5DB;
            --timeline-dot: #00A86B;
            --timeline-dot-size: 18px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-width: 320px;
        }

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

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

        a:hover {
            color: var(--primary-dark);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-xs);
            padding: 12px 16px;
            font-size: var(--font-base);
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            width: 100%;
        }

        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 168, 107, 0.08);
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 var(--gutter);
        }

        /* Header / Nav */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border-light);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -1px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            color: var(--text-secondary);
            font-size: var(--font-xs);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links a.active {
            font-weight: 600;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            width: 180px;
        }

        .nav-search input {
            padding: 9px 36px 9px 14px;
            border-radius: 20px;
            font-size: var(--font-xxs);
            border: 1px solid var(--border);
            background: var(--bg);
            width: 100%;
            transition: all var(--transition);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            background: var(--bg-white);
            width: 200px;
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 14px;
            pointer-events: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: var(--font-xs);
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 2px solid var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--secondary);
            border: 2px solid var(--accent);
            font-weight: 700;
        }

        .btn-accent:hover {
            background: #e6b800;
            border-color: #e6b800;
            color: var(--secondary);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: var(--font-base);
            border-radius: var(--radius-md);
        }

        /* Mobile menu toggle */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            padding: 4px 8px;
            cursor: pointer;
            line-height: 1;
        }

        /* Hero Section */
        .hero-case {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 70%, #1a1a2e 100%);
            overflow: hidden;
            padding: 60px 0;
        }

        .hero-case::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-case .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.7) 100%);
            z-index: 1;
        }

        .hero-case .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-case .hero-left {
            color: #fff;
        }

        .hero-case .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--secondary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: var(--font-xxs);
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .hero-case .hero-left h1 {
            font-size: var(--font-xl);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #fff;
            letter-spacing: -0.5px;
        }

        .hero-case .hero-left h1 span {
            color: var(--accent);
        }

        .hero-case .hero-left .hero-subtitle {
            font-size: var(--font-base);
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
            margin-bottom: 24px;
            max-width: 480px;
        }

        .hero-case .hero-right {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-xl);
            padding: 32px;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-case .data-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .hero-case .data-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 18px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            border-left: 3px solid var(--primary);
            transition: all var(--transition);
        }

        .hero-case .data-list li:hover {
            background: rgba(255, 255, 255, 0.08);
            border-left-color: var(--accent);
        }

        .hero-case .data-list .data-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: var(--font-xs);
            font-weight: 500;
        }

        .hero-case .data-list .data-value {
            color: #fff;
            font-size: var(--font-sm);
            font-weight: 800;
            letter-spacing: -0.3px;
        }

        .hero-case .data-list .data-value.highlight {
            color: var(--accent);
            font-size: 28px;
        }

        /* Section通用 */
        .section {
            padding: 72px 0;
        }

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

        .section-title {
            font-size: var(--font-md);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: var(--font-base);
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 600px;
        }

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

        .section-header.centered {
            text-align: center;
        }

        .section-header.centered .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* 统计条 */
        .stats-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 28px 0;
        }

        .stats-bar .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stats-bar .stat-item .stat-number {
            font-size: var(--font-lg);
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -1px;
            line-height: 1;
        }

        .stats-bar .stat-item .stat-label {
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            margin-top: 6px;
            font-weight: 500;
        }

        /* 时间线 */
        .timeline-section {
            background: var(--bg);
            padding: 72px 0;
            position: relative;
        }

        .timeline {
            position: relative;
            padding: 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--timeline-line);
            transform: translateX(-50%);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            display: flex;
            align-items: flex-start;
            margin-bottom: 56px;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.6s ease forwards;
        }

        .timeline-item:nth-child(1) {
            animation-delay: 0.1s;
        }
        .timeline-item:nth-child(2) {
            animation-delay: 0.2s;
        }
        .timeline-item:nth-child(3) {
            animation-delay: 0.3s;
        }
        .timeline-item:nth-child(4) {
            animation-delay: 0.4s;
        }
        .timeline-item:nth-child(5) {
            animation-delay: 0.5s;
        }
        .timeline-item:nth-child(6) {
            animation-delay: 0.6s;
        }

        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .timeline-item:nth-child(odd) {
            flex-direction: row;
        }

        .timeline-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .timeline-item .timeline-dot {
            position: absolute;
            left: 50%;
            top: 20px;
            width: var(--timeline-dot-size);
            height: var(--timeline-dot-size);
            background: var(--timeline-dot);
            border-radius: 50%;
            transform: translateX(-50%);
            z-index: 2;
            border: 4px solid #fff;
            box-shadow: 0 0 0 4px var(--primary-light);
            transition: all var(--transition);
        }

        .timeline-item:hover .timeline-dot {
            box-shadow: 0 0 0 8px var(--primary-light);
            background: var(--primary-dark);
        }

        .timeline-content {
            width: 44%;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
        }

        .timeline-content:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .timeline-content .case-year {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: var(--font-xxs);
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .timeline-content .case-year.accent {
            background: var(--accent-orange);
        }

        .timeline-content .case-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 16px;
        }

        .timeline-content h3 {
            font-size: var(--font-sm);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .timeline-content p {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .timeline-content .case-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: var(--font-xxs);
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
            margin-top: 8px;
        }

        .timeline-content .case-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .timeline-content .case-meta .meta-highlight {
            color: var(--primary);
            font-weight: 700;
        }

        /* 案例详情卡片区 */
        .case-detail-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }

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

        .case-card .card-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

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

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

        .case-card .card-img-wrap .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--secondary);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: var(--font-xxs);
            font-weight: 700;
            letter-spacing: 0.5px;
        }

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

        .case-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .case-card .card-body p {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .case-card .card-body .card-stats {
            display: flex;
            gap: 16px;
            font-size: var(--font-xxs);
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }

        .case-card .card-body .card-stats .stat-val {
            font-weight: 700;
            color: var(--primary);
            font-size: var(--font-xs);
        }

        /* 客户评价 */
        .testimonial-section {
            background: var(--secondary);
            color: #fff;
            padding: 72px 0;
        }

        .testimonial-section .section-title {
            color: #fff;
        }

        .testimonial-section .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

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

        .testimonial-card {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
        }

        .testimonial-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .testimonial-card .quote-icon {
            font-size: 36px;
            color: var(--accent);
            margin-bottom: 12px;
            line-height: 1;
        }

        .testimonial-card .quote-text {
            font-size: var(--font-xs);
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .quote-author {
            font-size: var(--font-xxs);
            color: var(--accent);
            font-weight: 600;
        }

        .testimonial-card .quote-role {
            font-size: var(--font-xxs);
            color: rgba(255, 255, 255, 0.5);
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-white);
            padding: 72px 0;
        }

        .accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-white);
            transition: all var(--transition);
        }

        .accordion-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .accordion-header {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: var(--font-base);
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            text-align: left;
            transition: all var(--transition);
            gap: 12px;
        }

        .accordion-header:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .accordion-header .accordion-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            transition: all var(--transition);
        }

        .accordion-item.open .accordion-header .accordion-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .accordion-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
        }

        .accordion-item.open .accordion-body {
            max-height: 300px;
            padding: 0 20px 20px;
        }

        .accordion-body p {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #00A86B 0%, #008F5B 40%, #006B44 100%);
            padding: 64px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: var(--font-md);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: var(--font-base);
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 560px;
            margin: 0 auto 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 160px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            font-size: var(--font-base);
            background: #fff;
            color: var(--text);
        }

        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(255, 209, 0, 0.2);
        }

        .cta-section .trust-text {
            font-size: var(--font-xxs);
            color: rgba(255, 255, 255, 0.6);
            margin-top: 8px;
        }

        /* Footer */
        .footer {
            background: #1a1a1a;
            color: #b0b0b0;
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-col h4 {
            color: #fff;
            font-size: var(--font-base);
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: #b0b0b0;
            font-size: var(--font-xs);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: var(--font-xxs);
            color: #888;
        }

        .footer-bottom a {
            color: #888;
            font-size: var(--font-xxs);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        .footer-brand {
            color: #fff;
            font-weight: 700;
            font-size: var(--font-xs);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-case .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-case .hero-right {
                max-width: 500px;
            }
            .case-detail-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline::before {
                left: 28px;
            }
            .timeline-item,
            .timeline-item:nth-child(odd),
            .timeline-item:nth-child(even) {
                flex-direction: row;
                padding-left: 60px;
            }
            .timeline-item .timeline-dot {
                left: 28px;
            }
            .timeline-content {
                width: 100%;
            }
            .stats-bar .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-right .btn {
                padding: 8px 14px;
                font-size: var(--font-xxs);
            }
            .header .container {
                height: 56px;
            }
            .hero-case {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-case .hero-left h1 {
                font-size: 28px;
            }
            .hero-case .hero-right {
                padding: 20px;
            }
            .hero-case .data-list .data-value.highlight {
                font-size: 22px;
            }
            .case-detail-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .stats-bar .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline::before {
                left: 18px;
            }
            .timeline-item,
            .timeline-item:nth-child(odd),
            .timeline-item:nth-child(even) {
                padding-left: 44px;
            }
            .timeline-item .timeline-dot {
                left: 18px;
                width: 14px;
                height: 14px;
            }
            .timeline-content {
                padding: 18px;
            }
            .timeline-content .case-img {
                height: 140px;
            }
            .timeline-content h3 {
                font-size: 18px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
                max-width: 400px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .hero-case .hero-left h1 {
                font-size: 24px;
            }
            .hero-case .hero-subtitle {
                font-size: var(--font-xs);
            }
            .hero-case .data-list li {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .stats-bar .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .timeline-content {
                padding: 14px;
            }
            .timeline-content .case-img {
                height: 120px;
            }
            .case-card .card-img-wrap {
                height: 160px;
            }
        }

        /* 移动端导航展开 */
        .nav-links.mobile-open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 12px 0;
            z-index: 999;
            gap: 0;
        }

        .nav-links.mobile-open a {
            padding: 12px 20px;
            border-radius: 0;
            width: 100%;
        }

        @media (max-width: 768px) {
            .nav-links.mobile-open {
                top: 56px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #00A86B;
            --primary-dark: #008F5B;
            --primary-light: #E6F7F1;
            --primary-glow: rgba(0, 168, 107, 0.15);
            --secondary: #1E1E1E;
            --accent: #FFD100;
            --accent-orange: #FF5E14;
            --bg: #F7F8FA;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1D20;
            --text: #1E1E1E;
            --text-secondary: #5F6B7A;
            --text-light: #8B95A5;
            --text-on-dark: #C5CDD5;
            --border: #E5E7EB;
            --border-light: #F0F1F3;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.10);
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04), 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 6px 20px rgba(0, 0, 0, 0.08), 0 14px 36px rgba(0, 0, 0, 0.10);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-2xl: 20px;
            --font-xl: 48px;
            --font-lg: 36px;
            --font-md: 28px;
            --font-sm: 24px;
            --font-base: 16px;
            --font-xs: 14px;
            --font-xxs: 12px;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --container: 1200px;
            --gutter: 24px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-width: 320px;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--primary-dark);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 2px;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-xs);
            padding: 12px 16px;
            font-size: var(--font-base);
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            width: 100%;
        }

        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 168, 107, 0.08);
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 var(--gutter);
        }

        /* Header / Nav */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border-light);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
            text-decoration: none;
        }

        .nav-logo:hover {
            color: var(--primary-dark);
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -1px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            color: var(--text-secondary);
            font-size: var(--font-xs);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links a.active {
            font-weight: 600;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            width: 180px;
        }

        .nav-search input {
            padding: 9px 36px 9px 14px;
            border-radius: 20px;
            font-size: var(--font-xxs);
            border: 1px solid var(--border);
            background: var(--bg);
            width: 100%;
            transition: all var(--transition);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            background: var(--bg-white);
            width: 200px;
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 14px;
            pointer-events: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: var(--font-xs);
            transition: all var(--transition);
            white-space: nowrap;
            gap: 6px;
            text-decoration: none;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 2px solid var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--secondary);
            border: 2px solid var(--accent);
            font-weight: 700;
        }

        .btn-accent:hover {
            background: #FFC800;
            border-color: #FFC800;
            color: var(--secondary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: var(--font-base);
            border-radius: var(--radius-md);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: var(--font-xxs);
            border-radius: var(--radius-xs);
        }

        /* Mobile Menu Toggle */
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            background: none;
            border: none;
            z-index: 1001;
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all var(--transition);
        }

        /* Hero Section */
        .hero-case {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            background: var(--secondary);
            overflow: hidden;
        }

        .hero-case-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-case-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 30, 20, 0.75) 50%, rgba(0, 0, 0, 0.8) 100%);
            z-index: 1;
        }

        .hero-case .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            padding-top: 60px;
            padding-bottom: 60px;
        }

        .hero-case-content {
            color: #fff;
        }

        .hero-case-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--secondary);
            font-weight: 700;
            font-size: var(--font-xxs);
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .hero-case-content h1 {
            font-size: var(--font-xl);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .hero-case-content h1 .highlight {
            color: var(--accent);
        }

        .hero-case-content .hero-subtitle {
            font-size: 18px;
            color: #C5CDD5;
            line-height: 1.6;
            margin-bottom: 28px;
            max-width: 480px;
        }

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

        .hero-case-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .hero-stat-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            text-align: center;
            backdrop-filter: blur(4px);
            transition: all var(--transition);
        }

        .hero-stat-card:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: rgba(255, 255, 255, 0.22);
            transform: translateY(-2px);
        }

        .hero-stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .hero-stat-label {
            font-size: var(--font-xxs);
            color: #B0B8C1;
            font-weight: 500;
        }

        /* Section Common */
        .section {
            padding: 72px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: var(--font-lg);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-header .section-subtitle {
            font-size: var(--font-base);
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }

        .section-label {
            display: inline-block;
            font-size: var(--font-xxs);
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 20px;
        }

        /* Stats Bar */
        .stats-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 28px 0;
        }

        .stats-bar .container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stats-bar-item .stat-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 4px;
        }

        .stats-bar-item .stat-label {
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Case Grid - Icon + Text */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .case-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-slow);
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 14px;
            cursor: default;
        }

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

        .case-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            flex-shrink: 0;
            font-weight: 700;
            letter-spacing: -0.03em;
        }

        .case-card-icon.icon-event {
            background: #FFF0E6;
            color: #FF5E14;
        }

        .case-card-icon.icon-club {
            background: #E6F0FF;
            color: #2563EB;
        }

        .case-card-icon.icon-training {
            background: #E6F7F1;
            color: #00A86B;
        }

        .case-card-icon.icon-rehab {
            background: #FFF0F0;
            color: #DC2626;
        }

        .case-card-icon.icon-member {
            background: #F3E8FF;
            color: #7C3AED;
        }

        .case-card-icon.icon-venue {
            background: #FFFBE6;
            color: #D4A017;
        }

        .case-card-icon.icon-corporate {
            background: #E6F7FF;
            color: #0891B2;
        }

        .case-card-icon.icon-school {
            background: #FFF5E6;
            color: #EA580C;
        }

        .case-card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            background: var(--bg);
            color: var(--text-secondary);
            letter-spacing: 0.03em;
            align-self: flex-start;
        }

        .case-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin: 0;
        }

        .case-card .case-client {
            font-size: var(--font-xxs);
            color: var(--text-light);
            font-weight: 500;
        }

        .case-card .case-summary {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.6;
            flex-grow: 1;
        }

        .case-card .case-metrics {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
            margin-top: auto;
        }

        .case-metric {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .case-metric-value {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
        }

        .case-metric-label {
            font-size: 11px;
            color: var(--text-light);
            font-weight: 500;
        }

        /* Case Detail Section */
        .case-detail-section {
            background: var(--bg-white);
            padding: 72px 0;
        }

        .case-detail-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .case-detail-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .case-detail-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .case-detail-content h3 {
            font-size: var(--font-md);
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .case-detail-content .case-detail-meta {
            font-size: var(--font-xs);
            color: var(--text-light);
            margin-bottom: 16px;
        }

        .case-detail-content p {
            font-size: var(--font-base);
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .case-detail-highlights {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 16px;
        }

        .case-highlight-item {
            background: var(--primary-light);
            border-radius: var(--radius-sm);
            padding: 14px 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: var(--font-xs);
            color: var(--primary-dark);
        }

        .case-highlight-item .hl-icon {
            font-size: 20px;
            flex-shrink: 0;
        }

        /* Process Section */
        .process-section {
            background: var(--bg);
            padding: 72px 0;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .process-step:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .process-step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }

        .process-step h4 {
            font-size: var(--font-base);
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }

        .process-step p {
            font-size: var(--font-xxs);
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Testimonials */
        .testimonials-section {
            background: var(--bg-white);
            padding: 72px 0;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .testimonial-quote {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.7;
            font-style: italic;
            flex-grow: 1;
            position: relative;
            padding-left: 16px;
            border-left: 3px solid var(--primary);
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 8px;
            border-top: 1px solid var(--border-light);
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: var(--font-xs);
            flex-shrink: 0;
        }

        .testimonial-info .author-name {
            font-weight: 700;
            font-size: var(--font-xs);
            color: var(--text);
        }

        .testimonial-info .author-role {
            font-size: 11px;
            color: var(--text-light);
        }

        /* FAQ */
        .faq-section {
            background: var(--bg);
            padding: 72px 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-weight: 600;
            font-size: var(--font-base);
            color: var(--text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            background: none;
            border: none;
            cursor: pointer;
            transition: color var(--transition);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            transition: all var(--transition);
            color: var(--text-secondary);
        }

        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #1A1D20 0%, #0D2B1E 50%, #1A1D20 100%);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(0, 168, 107, 0.08);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-content {
            color: #fff;
        }

        .cta-content h2 {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-content p {
            color: #B0B8C1;
            font-size: var(--font-base);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .cta-trust {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        .cta-trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #8899A6;
            font-size: var(--font-xxs);
            font-weight: 500;
        }

        .cta-trust-item .trust-icon {
            font-size: 18px;
            color: var(--accent);
        }

        .cta-form-wrap {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            box-shadow: var(--shadow-xl);
        }

        .cta-form-wrap h3 {
            font-size: var(--font-sm);
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
            text-align: center;
        }

        .cta-form-wrap .form-subtitle {
            font-size: var(--font-xxs);
            color: var(--text-light);
            text-align: center;
            margin-bottom: 20px;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .cta-form input,
        .cta-form textarea {
            border-radius: var(--radius-sm);
            font-size: var(--font-xs);
        }

        .cta-form textarea {
            resize: vertical;
            min-height: 80px;
        }

        .cta-form .btn {
            width: 100%;
            padding: 14px;
            font-size: var(--font-base);
            font-weight: 700;
            border-radius: var(--radius-sm);
        }

        /* Footer */
        .footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-col h4 {
            font-size: var(--font-base);
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: #8899A6;
            font-size: var(--font-xs);
            transition: color var(--transition);
            text-decoration: none;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: var(--font-xxs);
            color: #6B7A88;
        }

        .footer-bottom a {
            color: #8899A6;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--primary);
        }

        .footer-brand {
            font-weight: 700;
            color: #fff;
            font-size: var(--font-xs);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-case .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-case-stats {
                grid-template-columns: repeat(4, 1fr);
            }
            .hero-stat-number {
                font-size: 28px;
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-detail-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-section .container {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar .container {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 11px;
            }
            .nav-search {
                width: 140px;
            }
        }

        @media (max-width: 768px) {
            .header .container {
                height: 56px;
            }
            .nav-links {
                display: none;
                position: fixed;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 16px;
                box-shadow: var(--shadow-lg);
                z-index: 999;
                gap: 2px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: var(--font-xs);
                border-radius: var(--radius-sm);
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-search {
                display: none;
            }
            .nav-right .btn {
                font-size: 11px;
                padding: 8px 14px;
            }
            .hero-case {
                min-height: auto;
            }
            .hero-case .container {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .hero-case-content h1 {
                font-size: 28px;
            }
            .hero-case-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .hero-stat-card {
                padding: 14px 10px;
            }
            .hero-stat-number {
                font-size: 24px;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .stats-bar .container {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .case-detail-highlights {
                grid-template-columns: 1fr;
            }
            .cta-trust {
                flex-direction: column;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .hero-case-content h1 {
                font-size: 24px;
            }
            .hero-case-stats {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .hero-stat-card {
                padding: 10px 8px;
            }
            .hero-stat-number {
                font-size: 20px;
            }
            .hero-stat-label {
                font-size: 10px;
            }
            .case-card {
                padding: 20px 16px;
            }
            .case-card h3 {
                font-size: 16px;
            }
            .cta-form-wrap {
                padding: 20px 16px;
            }
            .nav-right .btn {
                padding: 6px 10px;
                font-size: 10px;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #00A86B;
            --primary-dark: #008F5B;
            --primary-light: #E6F7F1;
            --secondary: #1E1E1E;
            --accent: #FFD100;
            --accent-orange: #FF5E14;
            --bg: #F7F8FA;
            --bg-white: #FFFFFF;
            --text: #1E1E1E;
            --text-secondary: #5F6B7A;
            --text-light: #8B95A5;
            --border: #E5E7EB;
            --border-light: #F0F1F3;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.10);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --font-xl: 48px;
            --font-lg: 36px;
            --font-md: 28px;
            --font-sm: 24px;
            --font-base: 16px;
            --font-xs: 14px;
            --font-xxs: 12px;
            --transition: 0.25s ease;
            --container: 1200px;
            --gutter: 24px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-width: 320px;
        }

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

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

        a:hover {
            color: var(--primary-dark);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-xs);
            padding: 12px 16px;
            font-size: var(--font-base);
            transition: border-color var(--transition), box-shadow var(--transition);
            background: var(--bg-white);
            width: 100%;
        }

        input:focus,
        textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 168, 107, 0.08);
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 var(--gutter);
        }

        /* Header / Nav */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border-light);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            letter-spacing: -1px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            color: var(--text-secondary);
            font-size: var(--font-xs);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-links a.active {
            font-weight: 600;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            width: 180px;
        }

        .nav-search input {
            padding: 9px 36px 9px 14px;
            border-radius: 20px;
            font-size: var(--font-xxs);
            border: 1px solid var(--border);
            background: var(--bg);
            width: 100%;
            transition: all var(--transition);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            background: var(--bg-white);
            width: 200px;
        }

        .nav-search .search-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 14px;
            pointer-events: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: var(--font-xs);
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            gap: 6px;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--secondary);
            font-weight: 700;
        }

        .btn-accent:hover {
            background: #e6b800;
            color: var(--secondary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: var(--font-base);
            border-radius: var(--radius-md);
        }

        /* Mobile menu toggle */
        .nav-toggle {
            display: none;
            background: none;
            font-size: 24px;
            color: var(--text);
            padding: 4px 8px;
            border-radius: var(--radius-xs);
        }

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

        /* Section */
        .section {
            padding: 72px 0;
        }

        .section-title {
            font-size: var(--font-md);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            font-size: var(--font-base);
            color: var(--text-secondary);
            margin-bottom: 40px;
            line-height: 1.6;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-title {
            font-size: var(--font-lg);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 55vh;
            background: linear-gradient(135deg, rgba(0, 30, 20, 0.88) 0%, rgba(0, 60, 40, 0.78) 40%, rgba(0, 100, 70, 0.65) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            padding: 60px 0;
        }

        .hero-content {
            max-width: 700px;
            color: #fff;
        }

        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--secondary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: var(--font-xxs);
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .hero h1 {
            font-size: var(--font-xl);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }

        .hero p {
            font-size: 18px;
            line-height: 1.7;
            opacity: 0.92;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-stats {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

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

        .hero-stat .stat-num {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            display: block;
        }

        .hero-stat .stat-label {
            font-size: var(--font-xxs);
            opacity: 0.8;
            margin-top: 4px;
        }

        /* Case Compare */
        .case-compare {
            background: var(--bg-white);
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .compare-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }

        .compare-card.before-card {
            border-left: 4px solid #d1d5db;
        }

        .compare-card.after-card {
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow-lg);
        }

        .compare-card-header {
            padding: 16px 24px;
            font-weight: 700;
            font-size: var(--font-base);
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px solid var(--border-light);
        }

        .before-card .compare-card-header {
            background: #f9fafb;
            color: var(--text-secondary);
        }

        .after-card .compare-card-header {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .compare-card-body {
            padding: 24px;
        }

        .compare-card-body img {
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .compare-card-body h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .compare-card-body p {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .compare-list {
            list-style: none;
            padding: 0;
        }

        .compare-list li {
            font-size: var(--font-xs);
            padding: 6px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: var(--text-secondary);
        }

        .compare-list li::before {
            content: '';
            flex-shrink: 0;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            margin-top: 8px;
            background: #d1d5db;
        }

        .after-card .compare-list li::before {
            background: var(--primary);
        }

        .compare-highlight {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: var(--font-xxs);
            font-weight: 700;
            margin-top: 8px;
        }

        /* Case Cards Grid */
        .case-grid-section {
            background: var(--bg);
        }

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

        .case-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        .case-card-img {
            aspect-ratio: 16/10;
            object-fit: cover;
            width: 100%;
        }

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

        .case-card-tag {
            display: inline-block;
            font-size: var(--font-xxs);
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
            width: fit-content;
        }

        .tag-event {
            background: #FFF3E0;
            color: #E65100;
        }

        .tag-club {
            background: #E8F5E9;
            color: #2E7D32;
        }

        .tag-training {
            background: #E3F2FD;
            color: #1565C0;
        }

        .tag-rehab {
            background: #FCE4EC;
            color: #C62828;
        }

        .case-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
            line-height: 1.4;
        }

        .case-card-body p {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .case-card-meta {
            font-size: var(--font-xxs);
            color: var(--text-light);
            display: flex;
            gap: 16px;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }

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

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

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

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-white);
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: #d0d5dd;
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            background: none;
            font-size: var(--font-base);
            font-weight: 600;
            color: var(--text);
            text-align: left;
            gap: 16px;
            transition: all var(--transition);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            transition: all var(--transition);
            line-height: 1;
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer-inner {
            font-size: var(--font-xs);
            color: var(--text-secondary);
            line-height: 1.7;
            padding-top: 4px;
            border-top: 1px solid var(--border-light);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #003D26 0%, #005C3A 40%, #007A4D 100%);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: var(--font-lg);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: var(--font-base);
            margin-bottom: 28px;
            line-height: 1.6;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 440px;
            margin: 0 auto;
        }

        .cta-form input {
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            font-size: var(--font-base);
            background: rgba(255, 255, 255, 0.95);
            transition: all var(--transition);
        }

        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(255, 209, 0, 0.2);
            background: #fff;
        }

        .cta-form .btn {
            padding: 14px 28px;
            font-size: var(--font-base);
            font-weight: 700;
        }

        .cta-trust {
            margin-top: 16px;
            font-size: var(--font-xxs);
            color: rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .cta-trust span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* Footer */
        .footer {
            background: var(--secondary);
            color: #b0b8c1;
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-col h4 {
            color: #fff;
            font-size: var(--font-base);
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-col ul li a {
            color: #8b95a5;
            font-size: var(--font-xs);
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0 24px;
            font-size: var(--font-xxs);
            color: #6b7280;
        }

        .footer-bottom a {
            color: #8b95a5;
            font-size: var(--font-xxs);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        .footer-brand {
            color: #fff;
            font-weight: 700;
            font-size: var(--font-xs);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: var(--font-xxs);
            }
            .nav-search {
                width: 140px;
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero h1 {
                font-size: 36px;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat .stat-num {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .header .container {
                height: 56px;
                flex-wrap: wrap;
                position: relative;
            }
            .nav-toggle {
                display: block;
                order: 3;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 12px 16px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--border);
                gap: 0;
                z-index: 1001;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-xs);
                font-size: var(--font-base);
            }
            .nav-right {
                order: 2;
                gap: 8px;
            }
            .nav-search {
                width: 120px;
            }
            .nav-search input:focus {
                width: 140px;
            }
            .nav-right .btn {
                padding: 8px 14px;
                font-size: var(--font-xxs);
            }
            .hero {
                min-height: 40vh;
                padding: 40px 0;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero p {
                font-size: var(--font-base);
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat .stat-num {
                font-size: 26px;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .section-header .section-title {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .cta-inner h2 {
                font-size: 24px;
            }
            .faq-question {
                font-size: var(--font-xs);
                padding: 14px 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 16px;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
            .nav-search {
                display: none;
            }
            .nav-right .btn {
                padding: 6px 12px;
                font-size: 11px;
            }
            .hero h1 {
                font-size: 24px;
            }
            .hero {
                min-height: 35vh;
            }
            .hero-stats {
                flex-direction: column;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .case-card-body h3 {
                font-size: 15px;
            }
            .section-title {
                font-size: 22px;
            }
            .section-header .section-title {
                font-size: 24px;
            }
        }