/* roulang page: index */
:root {
            --primary: #4A90D9;
            --primary-dark: #357ABD;
            --primary-light: #E8F2FC;
            --accent: #F4826B;
            --accent-light: #FFF0ED;
            --mint: #5CB8A5;
            --mint-light: #E8F7F3;
            --gold: #E8B84B;
            --gold-light: #FFF9EB;
            --bg: #F9FAFB;
            --surface: #FFFFFF;
            --text: #1E2A3A;
            --text-secondary: #5F6B7A;
            --text-muted: #8B95A5;
            --border: #E2E7ED;
            --border-light: #F0F3F6;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(30,42,58,0.04);
            --shadow-sm: 0 2px 8px rgba(30,42,58,0.06);
            --shadow: 0 4px 16px rgba(30,42,58,0.08);
            --shadow-md: 0 8px 28px rgba(30,42,58,0.10);
            --shadow-lg: 0 16px 40px rgba(30,42,58,0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
            min-height: 100vh;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 3px solid rgba(74,144,217,0.4);
            outline-offset: 2px;
            border-radius: 3px;
        }

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

        button,
        .button {
            cursor: pointer;
            font-family: var(--font-stack);
            transition: all var(--transition);
        }
        button:focus-visible,
        .button:focus-visible {
            outline: 3px solid rgba(74,144,217,0.4);
            outline-offset: 2px;
        }

        input,
        textarea {
            font-family: var(--font-stack);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .container--narrow {
            max-width: 900px;
        }
        .container--wide {
            max-width: 1320px;
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 24px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text);
            white-space: nowrap;
            letter-spacing: -0.01em;
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--primary);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, #3B7DC4 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .nav-primary {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-primary>li {
            position: relative;
            margin: 0;
            padding: 0;
        }
        .nav-primary>li>a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-primary>li>a:hover,
        .nav-primary>li>a:focus-visible {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-primary>li.active>a {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav-primary .nav-arrow {
            font-size: 0.65rem;
            transition: transform var(--transition);
            margin-left: 2px;
        }
        .nav-primary>li.mega-parent:hover .nav-arrow {
            transform: rotate(180deg);
        }

        /* Mega Menu Panel */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            width: 580px;
            padding: 24px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: 200;
        }
        .nav-primary>li.mega-parent:hover .mega-panel,
        .mega-panel.show {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(4px);
        }
        .mega-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 18px 12px;
            border-radius: var(--radius);
            background: var(--bg);
            text-decoration: none;
            transition: all var(--transition);
            gap: 10px;
            border: 1px solid transparent;
        }
        .mega-card:hover {
            background: var(--surface);
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .mega-card-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .mega-card-icon.blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mega-card-icon.coral {
            background: var(--accent-light);
            color: var(--accent);
        }
        .mega-card-icon.mint {
            background: var(--mint-light);
            color: var(--mint);
        }
        .mega-card-title {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
            line-height: 1.3;
        }
        .mega-card-desc {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition);
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px 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: #fff;
        }
        .btn-accent:hover {
            background: #E0705A;
            color: #fff;
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }
        .btn-lg {
            padding: 13px 28px;
            font-size: 1rem;
            border-radius: var(--radius);
        }
        .btn-sm {
            padding: 7px 14px;
            font-size: 0.82rem;
            border-radius: 6px;
        }

        /* Mobile Nav Toggle */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
            cursor: pointer;
            line-height: 1;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--surface);
            z-index: 99;
            flex-direction: column;
            padding: 16px 20px;
            gap: 6px;
            overflow-y: auto;
            border-top: 1px solid var(--border-light);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 1rem;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active-mobile {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-menu .mobile-sub {
            padding-left: 28px;
            font-size: 0.9rem;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30,42,58,0.75) 0%, rgba(30,42,58,0.45) 40%, rgba(30,42,58,0.55) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            color: #fff;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255,255,255,0.18);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.25);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            max-width: 680px;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            font-weight: 400;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
            opacity: 0.9;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: left;
        }
        .hero-stat-number {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            opacity: 0.8;
            margin-top: 4px;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 70px 0;
        }
        .section--light {
            background: var(--surface);
        }
        .section--tint {
            background: var(--bg);
        }
        .section--primary-light {
            background: var(--primary-light);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .cards-grid--4 {
            grid-template-columns: repeat(4, 1fr);
        }
        .card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 14px;
            box-shadow: var(--shadow-xs);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }
        .card-icon-wrap.blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .card-icon-wrap.coral {
            background: var(--accent-light);
            color: var(--accent);
        }
        .card-icon-wrap.mint {
            background: var(--mint-light);
            color: var(--mint);
        }
        .card-icon-wrap.gold {
            background: var(--gold-light);
            color: var(--gold);
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
        }
        .card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex-grow: 1;
        }
        .card-link {
            font-weight: 600;
            font-size: 0.88rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .card-link::after {
            content: '→';
            transition: transform var(--transition);
        }
        .card-link:hover::after {
            transform: translateX(3px);
        }

        /* Image Card */
        .card-image-top {
            border-radius: var(--radius) var(--radius) 0 0;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            width: 100%;
            margin: -28px -24px 0 -24px;
            width: calc(100% + 48px);
        }

        /* ========== STATS BAR ========== */
        .stats-bar {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
            text-align: center;
            padding: 32px 0;
        }
        .stat-item {
            flex: 0 0 auto;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .news-item {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 20px 22px;
            border: 1px solid var(--border-light);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition);
            text-decoration: none;
            color: var(--text);
            box-shadow: var(--shadow-xs);
        }
        .news-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
            transform: translateY(-2px);
        }
        .news-thumb {
            width: 70px;
            height: 70px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg);
        }
        .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-title {
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1.4;
            color: var(--text);
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .news-summary {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-top: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-empty {
            text-align: center;
            padding: 40px;
            color: var(--text-muted);
            font-size: 0.95rem;
            grid-column: 1 / -1;
        }
        .news-tag {
            display: inline-block;
            font-size: 0.72rem;
            padding: 2px 10px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 500;
            white-space: nowrap;
        }

        /* ========== PROCESS ========== */
        .process-steps {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }
        .process-step {
            flex: 1;
            min-width: 200px;
            max-width: 260px;
            text-align: center;
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition);
            position: relative;
        }
        .process-step:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .process-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }
        .process-step-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            margin-bottom: 6px;
        }
        .process-step-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            line-height: 1.4;
        }
        .faq-icon {
            flex-shrink: 0;
            font-size: 0.75rem;
            transition: transform var(--transition);
            color: var(--text-muted);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            margin: 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-banner {
            background: linear-gradient(135deg, var(--primary) 0%, #357ABD 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            pointer-events: none;
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(255,255,255,0.05);
            pointer-events: none;
        }
        .cta-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .cta-desc {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-banner .btn {
            position: relative;
            z-index: 1;
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
        }
        .btn-white:hover {
            background: #f0f4f8;
            color: var(--primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1E2A3A;
            color: #BCC5D0;
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-desc {
            line-height: 1.7;
            font-size: 0.85rem;
        }
        .footer-col-title {
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-links a {
            color: #BCC5D0;
            text-decoration: none;
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #8893A2;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid--4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-list {
                grid-template-columns: 1fr 1fr;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .mega-panel {
                width: 480px;
                grid-template-columns: repeat(3, 1fr);
                padding: 20px;
                gap: 12px;
            }
            .process-steps {
                gap: 14px;
            }
            .process-step {
                min-width: 160px;
                max-width: 220px;
                padding: 20px 14px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
            }
            .nav-primary {
                display: none;
            }
            .header-actions .btn {
                display: none;
            }
            .header-actions .btn-sm {
                display: inline-flex;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-section {
                min-height: 440px;
            }
            .hero-content {
                padding: 56px 0;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 20px;
                margin-top: 24px;
            }
            .hero-stat-number {
                font-size: 1.5rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cards-grid,
            .cards-grid--4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                gap: 24px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .process-steps {
                flex-direction: column;
                align-items: center;
                gap: 16px;
            }
            .process-step {
                max-width: 100%;
                min-width: auto;
                width: 100%;
            }
            .cta-banner {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-title {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .mega-panel {
                position: static;
                transform: none;
                width: 100%;
                grid-template-columns: 1fr;
                box-shadow: none;
                border: none;
                padding: 8px 0;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                display: none;
                border-radius: 0;
            }
            .mega-panel.show {
                display: grid;
            }
            .mega-card {
                flex-direction: row;
                text-align: left;
                padding: 12px;
                gap: 12px;
                background: var(--bg);
                border-radius: var(--radius-sm);
            }
            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 8px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .card {
                padding: 20px 16px;
            }
            .card-image-top {
                margin: -20px -16px 0 -16px;
                width: calc(100% + 32px);
            }
            .news-item {
                flex-direction: column;
                gap: 10px;
            }
            .news-thumb {
                width: 100%;
                height: 140px;
            }
            .cta-banner {
                padding: 24px 16px;
            }
            .cta-title {
                font-size: 1.2rem;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #1a6fb5;
            --color-primary-light: #e8f4fd;
            --color-primary-dark: #125488;
            --color-secondary: #f6813e;
            --color-secondary-light: #fff5ef;
            --color-accent: #3cb878;
            --color-accent-light: #edfaf3;
            --color-bg: #f9fafb;
            --color-white: #ffffff;
            --color-text: #2c3e50;
            --color-text-soft: #5a6c7d;
            --color-text-muted: #8a9aaa;
            --color-border: #e5e9f0;
            --color-border-light: #f0f2f5;
            --color-shadow-sm: rgba(0, 0, 0, 0.06);
            --color-shadow-md: rgba(0, 0, 0, 0.10);
            --color-shadow-lg: rgba(0, 0, 0, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 3.5rem;
            --spacing-2xl: 5rem;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --max-width-article: 780px;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }

        .container-narrow {
            max-width: var(--max-width-article);
            margin: 0 auto;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 6px var(--color-shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), #2196d4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo-text a {
            color: inherit;
            text-decoration: none;
        }

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

        /* Desktop Nav */
        .nav-primary {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-primary>li {
            position: relative;
        }

        .nav-primary>li>a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-primary>li>a:hover {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .nav-primary>li.active>a {
            color: var(--color-primary);
            background: var(--color-primary-light);
            font-weight: 600;
        }

        .nav-arrow {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
            display: inline-block;
        }

        .mega-parent:hover .nav-arrow {
            transform: rotate(180deg);
        }

        /* Mega Panel */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: 0 12px 36px var(--color-shadow-lg);
            padding: var(--spacing-md);
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            min-width: 560px;
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition-base);
            z-index: 999;
            border: 1px solid var(--color-border);
        }

        .mega-parent:hover .mega-panel,
        .mega-panel.show {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(4px);
        }

        .mega-card {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 6px;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            text-decoration: none;
            color: var(--color-text);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .mega-card:hover {
            background: var(--color-primary-light);
            border-color: var(--color-border);
            color: var(--color-text);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px var(--color-shadow-sm);
        }

        .mega-card-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .mega-card-icon.blue {
            background: #e8f4fd;
            color: #1a6fb5;
        }

        .mega-card-icon.coral {
            background: #fff0eb;
            color: #f6813e;
        }

        .mega-card-icon.mint {
            background: #e6f7ef;
            color: #3cb878;
        }

        .mega-card-title {
            font-weight: 600;
            font-size: 0.9rem;
            line-height: 1.3;
        }

        .mega-card-desc {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            line-height: 1.3;
        }

        /* Hamburger Button */
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
            z-index: 1001;
        }

        .hamburger-btn span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-text);
            border-radius: 3px;
            margin: 5px 0;
            transition: all var(--transition-fast);
        }

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

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

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

        /* Mobile Nav */
        @media (max-width: 860px) {
            .hamburger-btn {
                display: block;
            }

            .nav-primary {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--color-white);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: var(--spacing-sm) 0;
                overflow-y: auto;
                transform: translateX(100%);
                transition: transform var(--transition-base);
                z-index: 999;
                border-top: 1px solid var(--color-border);
            }

            .nav-primary.open {
                transform: translateX(0);
            }

            .nav-primary>li>a {
                padding: 14px 20px;
                border-radius: 0;
                border-bottom: 1px solid var(--color-border-light);
                font-size: 1rem;
                justify-content: space-between;
            }

            .mega-panel {
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                display: none;
                grid-template-columns: 1fr;
                min-width: auto;
                box-shadow: none;
                border: none;
                border-radius: 0;
                padding: 0 var(--spacing-sm) var(--spacing-sm);
                background: #fafbfc;
            }

            .mega-panel.expanded {
                display: grid;
            }

            .mega-card {
                padding: 12px 16px;
                border-bottom: 1px solid var(--color-border-light);
            }

            .nav-arrow {
                transition: transform var(--transition-fast);
            }

            .nav-arrow.rotated {
                transform: rotate(180deg);
            }
        }

        /* ========== ARTICLE PAGE BANNER ========== */
        .article-banner {
            background: linear-gradient(170deg, #eaf4fb 0%, #dcecf7 40%, #f0f5fa 100%);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 3.5rem 0 2.5rem;
            border-bottom: 1px solid var(--color-border);
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(255, 255, 255, 0.82);
            pointer-events: none;
        }

        .article-banner .container {
            position: relative;
            z-index: 1;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-sm);
        }

        .breadcrumb a {
            color: var(--color-text-soft);
            text-decoration: none;
            transition: color var(--transition-fast);
            font-weight: 500;
        }

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

        .breadcrumb .sep {
            color: #c0c8d2;
            font-size: 0.7rem;
            margin: 0 2px;
        }

        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 600;
            pointer-events: none;
        }

        .article-banner-label {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-sm);
        }

        /* ========== ARTICLE MAIN CONTENT ========== */
        .article-main {
            padding: var(--spacing-xl) 0 var(--spacing-2xl);
        }

        .article-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: 0 2px 16px var(--color-shadow-sm);
            padding: var(--spacing-xl) var(--spacing-lg);
            border: 1px solid var(--color-border);
        }

        .article-meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            margin-bottom: var(--spacing-lg);
            padding-bottom: var(--spacing-md);
            border-bottom: 1px solid var(--color-border-light);
        }

        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            color: var(--color-text-soft);
        }

        .article-meta-item i {
            color: var(--color-primary);
            font-size: 0.9rem;
        }

        .article-category-tag {
            display: inline-block;
            background: var(--color-primary-light);
            color: var(--color-primary-dark);
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.82rem;
            font-weight: 600;
            text-decoration: none;
            transition: all var(--transition-fast);
        }

        .article-category-tag:hover {
            background: var(--color-primary);
            color: #fff;
        }

        .article-featured-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: var(--spacing-lg);
        }

        .article-featured-image img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-md);
        }

        /* Article Content Typography */
        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }

        .article-content h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--color-primary-light);
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 1.6rem 0 0.8rem;
        }

        .article-content h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-text-soft);
            margin: 1.3rem 0 0.6rem;
        }

        .article-content p {
            margin-bottom: 1.15rem;
            text-align: justify;
        }

        .article-content ul,
        .article-content ol {
            margin: 0.8rem 0 1.2rem 1.5rem;
            padding: 0;
        }

        .article-content li {
            margin-bottom: 0.4rem;
            padding-left: 0.3rem;
        }

        .article-content blockquote {
            border-left: 4px solid var(--color-primary);
            background: var(--color-primary-light);
            padding: 1rem 1.3rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-soft);
            font-style: italic;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.2rem auto;
            box-shadow: 0 2px 10px var(--color-shadow-sm);
        }

        .article-content a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            font-weight: 500;
        }

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

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2rem 0;
            font-size: 0.93rem;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--color-border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-content th {
            background: var(--color-primary-light);
            font-weight: 600;
            color: var(--color-primary-dark);
        }

        .article-content code {
            background: #f4f5f7;
            padding: 2px 7px;
            border-radius: 3px;
            font-size: 0.9em;
            color: #c0392b;
            font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

        .article-content pre {
            background: #1e293b;
            color: #e2e8f0;
            padding: 1.2rem 1.5rem;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.2rem 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .article-content pre code {
            background: transparent;
            color: inherit;
            padding: 0;
            border-radius: 0;
            font-size: inherit;
        }

        /* Not Found State */
        .not-found-block {
            text-align: center;
            padding: var(--spacing-2xl) var(--spacing-md);
        }

        .not-found-icon {
            font-size: 4rem;
            color: #d0d8e0;
            margin-bottom: var(--spacing-md);
        }

        .not-found-block h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--color-text);
        }

        .not-found-block p {
            color: var(--color-text-soft);
            margin-bottom: var(--spacing-lg);
            font-size: 1rem;
        }

        /* ========== RELATED ARTICLES ========== */
        .related-section {
            padding: var(--spacing-xl) 0 var(--spacing-2xl);
            background: var(--color-white);
            border-top: 1px solid var(--color-border);
        }

        .section-heading {
            text-align: center;
            margin-bottom: var(--spacing-lg);
        }

        .section-heading h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.5rem;
        }

        .section-heading .subtitle {
            font-size: 0.95rem;
            color: var(--color-text-muted);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .related-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            text-decoration: none;
            color: var(--color-text);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px var(--color-shadow-md);
            border-color: var(--color-primary);
            color: var(--color-text);
        }

        .related-card-img {
            height: 180px;
            overflow: hidden;
            flex-shrink: 0;
        }

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

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

        .related-card-body {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .related-card-tag {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .related-card-title {
            font-size: 1.02rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
        }

        .related-card-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: auto;
        }

        @media (max-width: 900px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: var(--spacing-2xl) 0;
            background: linear-gradient(160deg, #f0f7fc 0%, #e3eff9 50%, #f5f8fb 100%);
            text-align: center;
            border-top: 1px solid var(--color-border);
        }

        .cta-section h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.8rem;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 111, 181, 0.3);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(26, 111, 181, 0.4);
            transform: translateY(-2px);
        }

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

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

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.1rem;
            border-radius: 30px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a2433;
            color: #c0c8d4;
            padding: var(--spacing-2xl) 0 var(--spacing-md);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 30px;
            margin-bottom: var(--spacing-xl);
        }

        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
            letter-spacing: 0.03em;
        }

        .footer-desc {
            color: #a0aab6;
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #e8ecf2;
            margin-bottom: 0.8rem;
            letter-spacing: 0.02em;
        }

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

        .footer-links li {
            margin-bottom: 6px;
        }

        .footer-links a {
            color: #a0aab6;
            text-decoration: none;
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-links li {
            color: #a0aab6;
            font-size: 0.88rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.82rem;
            color: #7a8492;
        }

        @media (max-width: 860px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== GLOBAL RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-card {
                padding: var(--spacing-lg) var(--spacing-md);
            }

            .article-content {
                font-size: 1rem;
            }
        }

        @media (max-width: 768px) {
            .article-banner {
                padding: 2.5rem 0 1.8rem;
            }

            .article-card {
                padding: var(--spacing-md) var(--spacing-sm);
                border-radius: var(--radius-md);
            }

            .article-meta-row {
                gap: 10px;
                flex-wrap: wrap;
            }

            .section-heading h2 {
                font-size: 1.5rem;
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }

            .header-inner {
                height: 56px;
            }

            .logo-text {
                font-size: 1.1rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 17px;
            }
        }

        @media (max-width: 520px) {
            .article-card {
                padding: var(--spacing-sm);
                border-radius: var(--radius-sm);
            }

            .article-content {
                font-size: 0.95rem;
            }

            .article-content h2 {
                font-size: 1.3rem;
            }

            .article-content h3 {
                font-size: 1.15rem;
            }

            .breadcrumb {
                font-size: 0.8rem;
            }

            .btn {
                padding: 11px 22px;
                font-size: 0.9rem;
            }

            .btn-lg {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }

        .mt-lg {
            margin-top: var(--spacing-lg);
        }

        .mb-lg {
            margin-bottom: var(--spacing-lg);
        }

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

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #1a3c5e;
            --primary-light: #234b72;
            --primary-dark: #0f2a43;
            --accent: #e8824d;
            --accent-light: #f0a078;
            --accent-dark: #d06a35;
            --secondary: #2c7a8c;
            --secondary-light: #3a9aaf;
            --bg: #f8f9fb;
            --bg-warm: #fdf6f1;
            --card-bg: #ffffff;
            --text: #2d3436;
            --text-medium: #555b60;
            --text-light: #7a8188;
            --border: #e4e8ed;
            --border-light: #eef1f5;
            --shadow-sm: 0 2px 8px rgba(26,60,94,0.05);
            --shadow-md: 0 6px 24px rgba(26,60,94,0.08);
            --shadow-lg: 0 12px 40px rgba(26,60,94,0.10);
            --shadow-hover: 0 10px 32px rgba(26,60,94,0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        /* ========== 基础 Reset ========== */
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; }
        ul, ol { list-style: none; padding: 0; margin: 0; }
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); margin: 0; line-height: 1.3; color: var(--primary); }
        h1 { font-size: 2.8rem; font-weight: 700; }
        h2 { font-size: 2.1rem; font-weight: 700; }
        h3 { font-size: 1.4rem; font-weight: 600; }
        p { margin: 0 0 1em 0; }
        section { padding: var(--section-gap) 0; }

        /* ========== 容器 ========== */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            background: #ffffff;
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 6px rgba(0,0,0,0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 68px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary);
            white-space: nowrap;
            text-decoration: none;
        }
        .logo-wrap:hover { color: var(--primary-light); }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-primary {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-primary > li { position: relative; }
        .nav-primary > li > a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 10px 18px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-medium);
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }
        .nav-primary > li > a:hover { color: var(--primary); background: #f5f7fa; }
        .nav-primary > li.active > a { color: var(--primary); background: #eef3f8; font-weight: 600; }
        .nav-primary > li.mega-parent > a { cursor: pointer; }
        .nav-arrow { font-size: 0.7rem; transition: transform var(--transition); display: inline-block; }
        .mega-parent:hover .nav-arrow { transform: rotate(180deg); }

        /* Mega Panel */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(6px);
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 20px;
            display: flex;
            gap: 14px;
            min-width: 540px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: 999;
            border: 1px solid var(--border-light);
        }
        .mega-parent:hover .mega-panel,
        .mega-panel.show {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .mega-card {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 6px;
            padding: 16px 18px;
            border-radius: var(--radius-md);
            text-decoration: none;
            color: var(--text);
            transition: all var(--transition);
            flex: 1;
            min-width: 140px;
            border: 2px solid transparent;
            background: #fafbfc;
        }
        .mega-card:hover {
            background: #fff;
            border-color: var(--border);
            box-shadow: var(--shadow-md);
            color: var(--text);
        }
        .mega-card.current-mega {
            background: #eef5fa;
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .mega-card.current-mega .mega-card-title { color: var(--primary); font-weight: 700; }
        .mega-card-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .mega-card-icon.blue { background: #e8f0f8; color: var(--primary); }
        .mega-card-icon.coral { background: #fef0e8; color: var(--accent); }
        .mega-card-icon.mint { background: #e8f6f4; color: var(--secondary); }
        .mega-card-title { font-weight: 600; font-size: 0.95rem; color: var(--text); line-height: 1.3; }
        .mega-card-desc { font-size: 0.8rem; color: var(--text-light); line-height: 1.4; }

        /* Mobile Nav Toggle */
        .nav-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .nav-mobile-toggle:hover { background: #f5f7fa; }

        /* ========== 面包屑 ========== */
        .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-light);
            padding: 16px 0;
            flex-wrap: wrap;
        }
        .breadcrumb-row a { color: var(--primary); font-weight: 500; }
        .breadcrumb-row a:hover { color: var(--accent); text-decoration: underline; }
        .breadcrumb-sep { color: #c0c7ce; }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            padding: 100px 0 90px;
            color: #fff;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,42,67,0.88) 0%, rgba(26,60,94,0.78) 40%, rgba(44,122,140,0.55) 100%);
            z-index: 1;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255,255,255,0.18);
            border: 1px solid rgba(255,255,255,0.3);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.9);
            max-width: 620px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            box-shadow: 0 6px 20px rgba(232,130,77,0.35);
        }
        .btn-primary-hero:hover {
            background: var(--accent-dark);
            box-shadow: 0 10px 28px rgba(232,130,77,0.5);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.6);
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }
        .btn-outline-hero:hover {
            background: rgba(255,255,255,0.12);
            border-color: #fff;
            color: #fff;
        }

        /* ========== 通用板块标题 ========== */
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            background: #eef3f8;
            color: var(--primary);
            padding: 5px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-medium);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* ========== 卡片网格 ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-feature {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
        }
        .card-feature:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--border);
        }
        .card-icon-circle {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.4rem;
        }
        .card-icon-circle.blue-bg { background: #e8f0f8; color: var(--primary); }
        .card-icon-circle.coral-bg { background: #fef0e8; color: var(--accent); }
        .card-icon-circle.mint-bg { background: #e8f6f4; color: var(--secondary); }
        .card-icon-circle.gold-bg { background: #fdf6ed; color: #c7913b; }
        .card-feature h3 { margin-bottom: 8px; font-size: 1.2rem; }
        .card-feature p { color: var(--text-medium); font-size: 0.95rem; margin: 0; }

        /* ========== 图文区块 ========== */
        .media-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .media-block.reverse { direction: rtl; }
        .media-block.reverse .media-text { direction: ltr; }
        .media-block.reverse .media-img-wrap { direction: ltr; }
        .media-img-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .media-img-wrap img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .media-text h2 {
            font-size: 1.7rem;
            margin-bottom: 16px;
            color: var(--primary);
        }
        .media-text p {
            color: var(--text-medium);
            font-size: 1rem;
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .media-checklist {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 8px;
        }
        .media-checklist li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-medium);
        }
        .media-checklist li i {
            color: var(--secondary);
            font-size: 1rem;
            flex-shrink: 0;
        }

        /* ========== 场景卡片 ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .scenario-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .scenario-card .sc-icon {
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .scenario-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--primary);
        }
        .scenario-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            margin: 0;
        }

        /* ========== 流程步骤 ========== */
        .steps-container {
            display: flex;
            gap: 0;
            align-items: flex-start;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }
        .step-item {
            flex: 1;
            min-width: 180px;
            max-width: 220px;
            text-align: center;
            position: relative;
            padding: 0 12px;
        }
        .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
            box-shadow: 0 4px 14px rgba(26,60,94,0.25);
        }
        .step-connector {
            position: absolute;
            top: 26px;
            left: calc(50% + 30px);
            width: calc(100% - 60px);
            height: 3px;
            background: #e0e5ec;
            z-index: 1;
        }
        .step-item:last-child .step-connector { display: none; }
        .step-item h4 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; color: var(--primary); }
        .step-item p { font-size: 0.85rem; color: var(--text-light); margin: 0; }

        /* ========== 数据亮点 ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }
        .stat-item {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-medium);
            font-weight: 500;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-md); }
        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: background var(--transition);
        }
        .faq-question:hover { background: #fafbfc; }
        .faq-question i {
            font-size: 0.9rem;
            color: var(--text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i { transform: rotate(180deg); color: var(--accent); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            color: var(--text-medium);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255,255,255,0.04);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 1.9rem;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255,255,255,0.85);
            font-size: 1.05rem;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 36px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            box-shadow: 0 8px 26px rgba(232,130,77,0.4);
            position: relative;
            z-index: 1;
        }
        .btn-cta-large:hover {
            background: #f09060;
            transform: translateY(-3px);
            box-shadow: 0 14px 34px rgba(232,130,77,0.55);
            color: #fff;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.8);
            padding: 48px 0 0;
            margin-top: var(--section-gap);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-desc { font-size: 0.9rem; line-height: 1.6; color: rgba(255,255,255,0.65); }
        .footer-col-title { font-weight: 600; color: #fff; margin-bottom: 12px; font-size: 0.95rem; }
        .footer-links { display: flex; flex-direction: column; gap: 8px; }
        .footer-links li { font-size: 0.88rem; }
        .footer-links a { color: rgba(255,255,255,0.7); transition: color var(--transition); }
        .footer-links a:hover { color: #fff; text-decoration: underline; }
        .footer-bottom {
            text-align: center;
            padding: 20px 24px;
            margin-top: 36px;
            border-top: 1px solid rgba(255,255,255,0.12);
            font-size: 0.82rem;
            color: rgba(255,255,255,0.5);
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== 按钮通用 ========== */
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border: 2px solid var(--primary);
            color: var(--primary);
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            text-decoration: none;
            background: transparent;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            .hero-title { font-size: 2.3rem; }
            .cards-grid { grid-template-columns: repeat(2, 1fr); }
            .scenario-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-row { grid-template-columns: repeat(2, 1fr); }
            .media-block { grid-template-columns: 1fr; gap: 28px; }
            .media-block.reverse { direction: ltr; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .mega-panel { min-width: 440px; }
            section { padding: var(--section-gap-sm) 0; }
        }
        @media (max-width: 768px) {
            .header-inner { height: 60px; }
            .nav-primary {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 2px solid var(--border);
                box-shadow: var(--shadow-lg);
                padding: 16px 24px;
                gap: 4px;
                z-index: 998;
            }
            .nav-primary.mobile-open { display: flex; }
            .nav-mobile-toggle { display: block; }
            .mega-panel {
                position: static;
                transform: none;
                min-width: auto;
                flex-direction: column;
                box-shadow: none;
                border: none;
                padding: 8px 0 0 16px;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                display: none;
                background: transparent;
            }
            .mega-parent:hover .mega-panel,
            .mega-panel.show { display: flex; }
            .mega-card { background: #fafbfc; border: 1px solid var(--border-light); }
            .hero-section { padding: 64px 0 56px; }
            .hero-title { font-size: 1.8rem; }
            .hero-subtitle { font-size: 1rem; }
            .cards-grid { grid-template-columns: 1fr; }
            .scenario-grid { grid-template-columns: 1fr 1fr; }
            .stats-row { grid-template-columns: 1fr 1fr; gap: 16px; }
            .steps-container { flex-direction: column; align-items: center; gap: 20px; }
            .step-item { max-width: 100%; }
            .step-connector { display: none; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            section { padding: 40px 0; }
            .cta-section { padding: 36px 20px; border-radius: var(--radius-lg); }
            .cta-section h2 { font-size: 1.5rem; }
            .section-title { font-size: 1.6rem; }
            .breadcrumb-row { font-size: 0.8rem; }
        }
        @media (max-width: 520px) {
            .hero-title { font-size: 1.55rem; }
            .hero-subtitle { font-size: 0.9rem; }
            .hero-actions { flex-direction: column; gap: 10px; }
            .hero-actions .btn-primary-hero,
            .hero-actions .btn-outline-hero { width: 100%; justify-content: center; }
            .scenario-grid { grid-template-columns: 1fr; }
            .stats-row { grid-template-columns: 1fr; }
            .section-title { font-size: 1.4rem; }
            .card-feature { padding: 24px 18px; }
            .btn-cta-large { width: 100%; justify-content: center; }
        }

/* roulang page: category2 */
:root {
            --primary: #1a3c5e;
            --primary-light: #264f7a;
            --primary-dark: #0f2740;
            --accent: #c8893d;
            --accent-light: #da9f58;
            --accent-glow: #f0d09e;
            --bg-main: #f9fafb;
            --bg-white: #ffffff;
            --bg-warm: #fdf8f1;
            --bg-soft-blue: #f2f6fa;
            --text-main: #1e1e1e;
            --text-body: #3a3a3a;
            --text-muted: #6b7280;
            --text-light: #8c939d;
            --border: #e5e7eb;
            --border-light: #f0f1f3;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap: 80px;
            --section-gap-mobile: 48px;
        }

        *,
        *::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: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-main);
            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-light);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 24px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 1px;
        }
        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text a {
            color: inherit;
            text-decoration: none;
        }
        .logo-text a:hover {
            color: var(--primary-light);
        }

        /* Nav */
        .nav-primary {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 4px;
            margin: 0;
            padding: 0;
        }
        .nav-primary>li {
            position: relative;
        }
        .nav-primary>li>a {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 10px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition);
            cursor: pointer;
        }
        .nav-primary>li>a:hover {
            background: var(--bg-soft-blue);
            color: var(--primary);
        }
        .nav-primary>li.active>a,
        .nav-primary>li.mega-parent.active>a {
            color: var(--primary);
            font-weight: 600;
            background: var(--bg-soft-blue);
        }
        .nav-arrow {
            font-size: 0.7rem;
            transition: transform var(--transition);
            display: inline-block;
        }
        .mega-parent:hover .nav-arrow {
            transform: rotate(180deg);
        }

        /* Mega Panel */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: 20px;
            display: grid;
            grid-template-columns: repeat(3, 220px);
            gap: 12px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: 999;
            border: 1px solid var(--border);
        }
        .mega-parent:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .mega-card {
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding: 16px;
            border-radius: var(--radius);
            background: var(--bg-white);
            border: 1px solid transparent;
            transition: all var(--transition);
            text-decoration: none;
            color: inherit;
            cursor: pointer;
        }
        .mega-card:hover {
            background: var(--bg-soft-blue);
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
            text-decoration: none;
            color: inherit;
        }
        .mega-card.current {
            background: var(--bg-soft-blue);
            border-color: var(--primary);
            box-shadow: var(--shadow-xs);
        }
        .mega-card-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .mega-card-icon.blue {
            background: #e8f0fa;
            color: #3b6fb6;
        }
        .mega-card-icon.coral {
            background: #fdf0e8;
            color: #c8893d;
        }
        .mega-card-icon.mint {
            background: #e8f6f0;
            color: #3b8c6e;
        }
        .mega-card-title {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-main);
        }
        .mega-card-desc {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* Mobile Nav Toggle */
        .nav-toggle-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-main);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle-btn:hover {
            background: var(--bg-soft-blue);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #1a3045 0%, #1a3c5e 30%, #1e4d78 60%, #16324a 100%);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 100px 0 90px;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 30, 50, 0.55);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 500;
            color: #fde4c2;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 16px;
            line-height: 1.25;
            color: #ffffff;
        }
        .hero-title span {
            color: #f0c478;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(200, 137, 61, 0.6);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 18px rgba(200, 137, 61, 0.35);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 24px rgba(200, 137, 61, 0.45);
            transform: translateY(-2px);
            color: #fff;
            text-decoration: none;
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            text-decoration: none;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 0.9rem;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-tight {
            padding: 48px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 40px;
            line-height: 1.7;
        }
        .text-center {
            text-align: center;
        }

        /* ========== CARDS GRID ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-icon-wrap.blue {
            background: #e8f0fa;
            color: #3b6fb6;
        }
        .card-icon-wrap.coral {
            background: #fdf0e8;
            color: #c8893d;
        }
        .card-icon-wrap.mint {
            background: #e8f6f0;
            color: #3b8c6e;
        }
        .card-icon-wrap.purple {
            background: #f0eafa;
            color: #6b4fbf;
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .card-desc {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .card-img {
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16 / 10;
            background: #eef1f5;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-img img {
            transform: scale(1.04);
        }
        .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            background: var(--bg-soft-blue);
            color: var(--primary);
            margin-bottom: 12px;
        }

        /* ========== STEPS / PROCESS ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            position: relative;
            transition: all var(--transition);
        }
        .step-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            flex-shrink: 0;
        }
        .step-card:nth-child(even) .step-number {
            background: var(--accent);
        }
        .step-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .step-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ========== STATS ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
            text-align: center;
        }
        .stat-item {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition);
        }
        .stat-item:hover {
            box-shadow: var(--shadow);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -1px;
            line-height: 1.1;
        }
        .stat-number.accent {
            color: var(--accent);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ========== SCENARIO CARDS ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }
        .scenario-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
        }
        .scenario-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            background: var(--bg-warm);
            color: var(--accent);
        }
        .scenario-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .scenario-info p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question .faq-icon {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 70px 0;
            text-align: center;
            color: #fff;
            border-radius: var(--radius-xl);
            margin: var(--section-gap) 20px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            top: -60px;
            right: -80px;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .cta-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 540px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1f2b;
            color: #bcc3cd;
            padding: 56px 0 28px;
            font-size: 0.93rem;
            line-height: 1.7;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: #8c939d;
            line-height: 1.6;
            max-width: 340px;
        }
        .footer-col-title {
            font-weight: 600;
            color: #e5e7eb;
            margin-bottom: 12px;
            font-size: 0.95rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: #8c939d;
            text-decoration: none;
            transition: color var(--transition);
            font-size: 0.9rem;
        }
        .footer-links a:hover {
            color: #f0c478;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #6b7280;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .mega-panel {
                grid-template-columns: repeat(2, 200px);
                gap: 8px;
                padding: 14px;
                left: auto;
                right: 0;
                transform: translateY(8px);
            }
            .mega-parent:hover .mega-panel {
                transform: translateY(0);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
            }
            .nav-toggle-btn {
                display: block;
            }
            .nav-primary {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 12px 16px;
                border-bottom: 2px solid var(--border);
                box-shadow: var(--shadow-lg);
                gap: 2px;
                z-index: 998;
            }
            .nav-primary.nav-open {
                display: flex;
            }
            .nav-primary>li>a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .mega-panel {
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                box-shadow: none;
                border: none;
                grid-template-columns: 1fr;
                padding: 8px 0 8px 16px;
                display: none;
                background: transparent;
            }
            .mega-parent.open-mobile .mega-panel {
                display: grid;
            }
            .mega-card {
                background: var(--bg-soft-blue);
                border: 1px solid var(--border-light);
            }
            .hero-section {
                padding: 64px 0 56px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .cta-section {
                margin: var(--section-gap-mobile) 12px;
                padding: 48px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-title {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            .btn {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .card {
                padding: 20px 16px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 0.86rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1e5c8a;
            --color-primary-light: #2b7ab8;
            --color-primary-dark: #153f5e;
            --color-accent: #e8814a;
            --color-accent-light: #f0a06e;
            --color-accent-dark: #c96a35;
            --color-mint: #3ea89b;
            --color-mint-light: #5cc4b7;
            --color-bg: #f9f8f5;
            --color-bg-warm: #fdfaf6;
            --color-white: #ffffff;
            --color-text: #2c3539;
            --color-text-soft: #5a6772;
            --color-text-muted: #88939e;
            --color-border: #e2dfd9;
            --color-border-light: #eeebe5;
            --color-card-shadow: rgba(30, 40, 55, 0.06);
            --color-card-shadow-hover: rgba(30, 40, 55, 0.12);
            --color-overlay: rgba(20, 35, 50, 0.55);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(30, 40, 55, 0.04);
            --shadow-md: 0 4px 14px rgba(30, 40, 55, 0.07);
            --shadow-lg: 0 8px 30px rgba(30, 40, 55, 0.10);
            --shadow-xl: 0 14px 42px rgba(30, 40, 55, 0.13);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 70px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-light);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 3px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: 3px;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            line-height: 1.3;
            color: var(--color-text);
            margin: 0 0 0.6em;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        h2 {
            font-size: 2rem;
            font-weight: 650;
            letter-spacing: -0.005em;
        }
        h3 {
            font-size: 1.4rem;
            font-weight: 600;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            :root {
                --section-gap: 48px;
                --section-gap-sm: 36px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.1rem;
            }
        }

        /* ===== HEADER & NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .logo-text {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary-dark);
            white-space: nowrap;
        }
        .logo-area a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: inherit;
            text-decoration: none;
        }
        .logo-area a:hover {
            color: inherit;
        }
        .nav-primary {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-primary > li {
            position: relative;
            margin: 0;
        }
        .nav-primary > li > a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-weight: 550;
            font-size: 0.95rem;
            color: var(--color-text);
            text-decoration: none;
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-primary > li > a:hover,
        .nav-primary > li > a:focus-visible {
            background: #f2f4f7;
            color: var(--color-primary);
        }
        .nav-primary > li.active > a,
        .nav-primary > li.mega-parent.active > a {
            background: #e8f0f8;
            color: var(--color-primary-dark);
            font-weight: 650;
        }
        .nav-arrow {
            font-size: 0.65rem;
            transition: transform var(--transition-fast);
            display: inline-block;
        }
        .mega-parent:hover .nav-arrow {
            transform: rotate(180deg);
        }
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            border: 1px solid var(--color-border-light);
            padding: 20px 18px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            min-width: 620px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
            z-index: 999;
        }
        .mega-parent:hover .mega-panel,
        .mega-parent:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(4px);
        }
        .mega-card {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 6px;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            text-decoration: none;
            color: var(--color-text);
            transition: background var(--transition-fast), box-shadow var(--transition-fast);
            border: 1px solid transparent;
        }
        .mega-card:hover {
            background: #f7f9fb;
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-sm);
            color: var(--color-text);
        }
        .mega-card.mega-card-current {
            background: #eaf3fa;
            border-color: #c5d9ee;
            box-shadow: var(--shadow-sm);
        }
        .mega-card-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .mega-card-icon.blue {
            background: #e0ecf7;
            color: #1e5c8a;
        }
        .mega-card-icon.coral {
            background: #fde8df;
            color: #c96a35;
        }
        .mega-card-icon.mint {
            background: #daf5f1;
            color: #2d8a7e;
        }
        .mega-card-title {
            font-weight: 600;
            font-size: 0.93rem;
            color: var(--color-text);
        }
        .mega-card-desc {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .mega-card-current .mega-card-title {
            color: var(--color-primary-dark);
        }
        .mega-card-current .mega-card-icon.mint {
            background: #c0ede6;
            color: #1e6b5f;
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            line-height: 1;
            transition: background var(--transition-fast);
        }
        .hamburger-btn:hover {
            background: #f2f4f7;
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .mobile-nav-overlay.show {
            opacity: 1;
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--header-height);
            right: 0;
            width: 280px;
            max-width: 85vw;
            bottom: 0;
            background: var(--color-white);
            z-index: 999;
            padding: 20px;
            overflow-y: auto;
            box-shadow: var(--shadow-xl);
            transform: translateX(100%);
            transition: transform var(--transition-base);
        }
        .mobile-nav-panel.show {
            transform: translateX(0);
        }
        .mobile-nav-panel a {
            display: block;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            font-weight: 550;
            color: var(--color-text);
            text-decoration: none;
            transition: background var(--transition-fast);
            margin-bottom: 2px;
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.mobile-active {
            background: #e8f0f8;
            color: var(--color-primary-dark);
        }
        .mobile-nav-panel .mobile-sub-label {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            padding: 16px 14px 6px;
            font-weight: 600;
        }
        @media (max-width: 768px) {
            .nav-primary {
                display: none;
            }
            .hamburger-btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .mobile-nav-overlay,
            .mobile-nav-panel {
                display: block;
            }
        }

        /* ===== HERO ===== */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            min-height: 480px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: var(--color-overlay);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 750px;
            padding: 50px 24px;
        }
        .hero-content h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 16px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }
        .hero-content .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: 28px;
            line-height: 1.6;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
        }
        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 28px;
        }
        .hero-badge {
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            padding: 7px 16px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 500;
            white-space: nowrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(232, 129, 74, 0.35);
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            color: #fff;
            box-shadow: 0 6px 22px rgba(232, 129, 74, 0.45);
            transform: translateY(-1px);
        }
        .btn-outline-white {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
        }
        .btn-lg {
            padding: 15px 34px;
            font-size: 1.05rem;
        }
        .btn-sm {
            padding: 9px 20px;
            font-size: 0.88rem;
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 380px;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1.02rem;
            }
        }
        @media (max-width: 520px) {
            .hero-section {
                min-height: 340px;
            }
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-content .hero-subtitle {
                font-size: 0.93rem;
            }
            .hero-badge {
                font-size: 0.78rem;
                padding: 5px 12px;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
            .btn-lg {
                padding: 13px 26px;
                font-size: 0.95rem;
            }
        }

        /* ===== SECTION COMMON ===== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            margin-bottom: 10px;
        }
        .section-header .section-subtitle {
            color: var(--color-text-soft);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.65;
        }
        .section-tag {
            display: inline-block;
            background: #e8f0f8;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.82rem;
            padding: 5px 14px;
            border-radius: 50px;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        @media (max-width: 768px) {
            .section-header {
                margin-bottom: 30px;
            }
            .section-header .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ===== SERVICE CARDS ===== */
        .service-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .service-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px 22px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #d5dde6;
        }
        .service-card-icon-wrap {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }
        .sc-icon-blue {
            background: #e3eef8;
            color: #1e5c8a;
        }
        .sc-icon-coral {
            background: #fde8df;
            color: #c96a35;
        }
        .sc-icon-mint {
            background: #daf5f1;
            color: #2d8a7e;
        }
        .sc-icon-purple {
            background: #ede4f5;
            color: #5b3d82;
        }
        .service-card h4 {
            margin: 0;
            font-size: 1.08rem;
            font-weight: 650;
            line-height: 1.35;
        }
        .service-card p {
            margin: 0;
            color: var(--color-text-soft);
            font-size: 0.9rem;
            line-height: 1.6;
            flex-grow: 1;
        }
        .service-card .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .service-card .card-link:hover {
            gap: 8px;
            color: var(--color-primary-light);
        }
        @media (max-width: 1024px) {
            .service-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .service-cards-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .service-card {
                padding: 22px 16px 18px;
            }
        }

        /* ===== SCENARIO CARDS ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .scenario-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .scenario-card-img {
            height: 200px;
            overflow: hidden;
        }
        .scenario-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .scenario-card:hover .scenario-card-img img {
            transform: scale(1.04);
        }
        .scenario-card-body {
            padding: 20px 18px 18px;
        }
        .scenario-card-body h4 {
            margin-bottom: 6px;
            font-size: 1.05rem;
            font-weight: 650;
        }
        .scenario-card-body p {
            margin: 0;
            color: var(--color-text-soft);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .scenario-card-img {
                height: 160px;
            }
        }
        @media (max-width: 520px) {
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .scenario-card-img {
                height: 180px;
            }
        }

        /* ===== PROCESS STEPS ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-step {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 26px 20px 20px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            text-align: center;
            position: relative;
            transition: all var(--transition-base);
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            flex-shrink: 0;
        }
        .process-step h4 {
            margin-bottom: 6px;
            font-size: 1.02rem;
            font-weight: 650;
        }
        .process-step p {
            margin: 0;
            color: var(--color-text-soft);
            font-size: 0.88rem;
            line-height: 1.55;
        }
        @media (max-width: 1024px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .process-step {
                padding: 22px 16px 16px;
            }
        }

        /* ===== STATS BAR ===== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-item {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px 18px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all var(--transition-base);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-label {
            color: var(--color-text-soft);
            font-size: 0.9rem;
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-item {
                padding: 16px 12px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-label {
                font-size: 0.8rem;
            }
        }

        /* ===== FEATURE HIGHLIGHT ===== */
        .feature-highlight {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .feature-highlight.reverse {
            direction: rtl;
        }
        .feature-highlight.reverse .feature-text {
            direction: ltr;
        }
        .feature-text h3 {
            font-size: 1.6rem;
            margin-bottom: 14px;
        }
        .feature-text p {
            color: var(--color-text-soft);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .feature-text .feature-list {
            list-style: none;
            padding: 0;
            margin: 14px 0 0;
        }
        .feature-text .feature-list li {
            padding: 6px 0 6px 24px;
            position: relative;
            color: var(--color-text-soft);
            font-size: 0.95rem;
        }
        .feature-text .feature-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--color-mint);
            font-weight: 700;
            font-size: 0.85rem;
        }
        .feature-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .feature-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        @media (max-width: 768px) {
            .feature-highlight {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .feature-highlight.reverse {
                direction: ltr;
            }
            .feature-text h3 {
                font-size: 1.3rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-wrap .accordion {
            border: none;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .faq-wrap .accordion-item {
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-white);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-fast);
        }
        .faq-wrap .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-wrap .accordion-title {
            display: block;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            cursor: pointer;
            border: none;
            background: none;
            width: 100%;
            text-align: left;
            position: relative;
            transition: color var(--transition-fast);
            text-decoration: none;
            line-height: 1.4;
        }
        .faq-wrap .accordion-title::after {
            content: '+';
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.3rem;
            font-weight: 400;
            color: var(--color-text-muted);
            transition: transform var(--transition-base), color var(--transition-fast);
        }
        .faq-wrap .accordion-title:hover {
            color: var(--color-primary);
        }
        .faq-wrap .is-active > .accordion-title {
            color: var(--color-primary-dark);
        }
        .faq-wrap .is-active > .accordion-title::after {
            content: '−';
            transform: translateY(-50%) rotate(0deg);
            color: var(--color-primary);
        }
        .faq-wrap .accordion-content {
            padding: 0 20px 18px;
            color: var(--color-text-soft);
            font-size: 0.93rem;
            line-height: 1.7;
            display: none;
        }
        .faq-wrap .is-active > .accordion-content {
            display: block;
        }
        @media (max-width: 520px) {
            .faq-wrap .accordion-title {
                padding: 14px 16px;
                font-size: 0.93rem;
            }
            .faq-wrap .accordion-content {
                padding: 0 16px 14px;
                font-size: 0.88rem;
            }
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
            color: #fff;
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -30px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }
        .cta-section h2 {
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.05rem;
            max-width: 550px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
            line-height: 1.6;
        }
        .cta-section .btn {
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-primary {
            background: #fff;
            color: var(--color-primary-dark);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .cta-section .btn-primary:hover {
            background: #fefefe;
            color: var(--color-primary-dark);
            box-shadow: 0 6px 26px rgba(0, 0, 0, 0.28);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 36px 24px;
                border-radius: var(--radius-lg);
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .cta-section {
                padding: 28px 18px;
                border-radius: var(--radius-md);
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .cta-section p {
                font-size: 0.88rem;
            }
        }

        /* ===== CMS CASE CARDS ===== */
        .case-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .case-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .case-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .case-card-img {
            height: 180px;
            overflow: hidden;
        }
        .case-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .case-card:hover .case-card-img img {
            transform: scale(1.04);
        }
        .case-card-body {
            padding: 16px 18px 18px;
        }
        .case-card-body h4 {
            font-size: 1rem;
            margin-bottom: 6px;
            font-weight: 650;
        }
        .case-card-body p {
            color: var(--color-text-soft);
            font-size: 0.86rem;
            line-height: 1.55;
            margin: 0;
        }
        @media (max-width: 768px) {
            .case-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .case-card-img {
                height: 150px;
            }
        }
        @media (max-width: 520px) {
            .case-cards-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .case-card-img {
                height: 170px;
            }
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: #1a2a38;
            color: #c0c8d2;
            padding: 48px 0 0;
            margin-top: var(--section-gap);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.65;
            color: #aab4bd;
        }
        .footer-col-title {
            font-weight: 650;
            font-size: 0.95rem;
            color: #e8ecf0;
            margin-bottom: 12px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 7px;
        }
        .footer-links a {
            color: #b0b9c2;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-links li {
            color: #b0b9c2;
            font-size: 0.9rem;
        }
        .footer-bottom {
            padding: 18px 0;
            text-align: center;
            color: #88939e;
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .site-footer {
                padding: 36px 0 0;
                margin-top: var(--section-gap-sm);
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== UTILITY ===== */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mb-2 {
            margin-bottom: 20px;
        }
        .bg-warm {
            background: var(--color-bg-warm);
        }
        .bg-white {
            background: var(--color-white);
        }
        .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;
        }