/* roulang page: index */
:root {
            --primary: #1a2f4a;
            --primary-light: #243b5e;
            --primary-dark: #0f1e33;
            --accent: #c8963e;
            --accent-light: #d4a853;
            --accent-dark: #a87a2e;
            --bg: #f7f8fa;
            --bg-white: #ffffff;
            --bg-light: #eef1f5;
            --bg-card: #ffffff;
            --text: #1e293b;
            --text-secondary: #5a6978;
            --text-muted: #8b9aab;
            --text-light: #b0bec5;
            --border: #dde3ea;
            --border-light: #e8ecf1;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(15,30,50,0.06);
            --shadow: 0 4px 16px rgba(15,30,50,0.08);
            --shadow-md: 0 8px 28px rgba(15,30,50,0.10);
            --shadow-lg: 0 16px 48px rgba(15,30,50,0.12);
            --shadow-xl: 0 24px 64px rgba(15,30,50,0.15);
            --transition: 0.22s ease;
            --transition-slow: 0.35s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --nav-height: 68px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

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

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

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

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

        a:hover {
            color: var(--accent);
        }

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

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

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.25;
            color: var(--primary-dark);
        }

        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.1rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }

        .container {
            max-width: 1180px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-wide {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
            margin: 0 auto;
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow);
        }

        .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
            padding: 0;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary-dark);
            white-space: nowrap;
            letter-spacing: -0.3px;
            transition: color var(--transition);
        }

        .navbar-brand-custom:hover {
            color: var(--accent);
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links-wrapper {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links-wrapper .nav-item {
            position: relative;
        }

        .nav-links-wrapper .nav-link {
            display: block;
            padding: 10px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .nav-links-wrapper .nav-link:hover {
            color: var(--primary-dark);
            background: var(--bg-light);
        }

        .nav-links-wrapper .nav-link.active {
            color: var(--accent-dark);
            font-weight: 600;
            background: rgba(200,150,62,0.08);
        }

        .nav-right-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search-input {
            width: 200px;
            height: 40px;
            padding: 8px 38px 8px 16px;
            border: 1.5px solid var(--border);
            border-radius: 20px;
            font-size: 0.9rem;
            color: var(--text);
            background: var(--bg);
            transition: all var(--transition);
            outline: none;
        }

        .nav-search-input:focus {
            border-color: var(--accent);
            background: var(--bg-white);
            box-shadow: 0 0 0 3px rgba(200,150,62,0.1);
            width: 240px;
        }

        .nav-search-icon {
            position: absolute;
            right: 14px;
            color: var(--text-muted);
            font-size: 0.9rem;
            pointer-events: none;
            transition: color var(--transition);
        }

        .nav-search-input:focus + .nav-search-icon {
            color: var(--accent);
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 22px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border: none;
            border-radius: 20px;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .btn-nav-cta:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }

        .btn-nav-cta:active {
            transform: translateY(0);
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 10px;
            cursor: pointer;
            color: var(--text-secondary);
            font-size: 1.3rem;
            transition: all var(--transition);
            line-height: 1;
        }

        .navbar-toggler-custom:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Mobile nav overlay */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15,30,50,0.5);
            z-index: 1040;
            opacity: 0;
            transition: opacity var(--transition);
        }

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

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            right: 0;
            width: 300px;
            max-width: 85vw;
            bottom: 0;
            background: var(--bg-white);
            z-index: 1045;
            box-shadow: var(--shadow-lg);
            padding: 20px;
            transform: translateX(100%);
            transition: transform var(--transition-slow);
            overflow-y: auto;
        }

        .mobile-nav-panel.show {
            transform: translateX(0);
        }

        .mobile-nav-panel .nav-link {
            display: block;
            padding: 13px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            margin-bottom: 2px;
        }

        .mobile-nav-panel .nav-link:hover,
        .mobile-nav-panel .nav-link.active {
            color: var(--accent-dark);
            background: rgba(200,150,62,0.08);
        }

        .mobile-nav-panel .nav-search-wrap {
            margin-top: 12px;
            margin-bottom: 8px;
        }

        .mobile-nav-panel .nav-search-input {
            width: 100%;
        }

        .mobile-nav-panel .btn-nav-cta {
            width: 100%;
            justify-content: center;
            margin-top: 8px;
            border-radius: 20px;
            padding: 11px 22px;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(170deg, var(--primary-dark) 0%, var(--primary) 40%, var(--primary-light) 100%);
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
            isolation: isolate;
        }

        .hero-bg-img {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            mix-blend-mode: soft-light;
        }

        .hero-pattern {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: radial-gradient(ellipse at 30% 50%, rgba(200,150,62,0.08) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 30%, rgba(255,255,255,0.04) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            color: #fff;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(200,150,62,0.2);
            border: 1px solid rgba(200,150,62,0.35);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #f0d89c;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.18;
            color: #ffffff;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
            max-width: 700px;
        }

        .hero-title .highlight {
            color: #f0d89c;
            position: relative;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.78);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 560px;
        }

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

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border: none;
            border-radius: 24px;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-hero-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 8px 24px rgba(200,150,62,0.35);
            transform: translateY(-2px);
        }

        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 1.5px solid rgba(255,255,255,0.4);
            border-radius: 24px;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
            color: #fff;
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            margin-top: 44px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.15);
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: #f0d89c;
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.6);
            margin-top: 4px;
        }

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

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

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

        .section-header .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-dark);
            text-transform: uppercase;
            letter-spacing: 1.2px;
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }

        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }

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

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

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

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

        .card-custom .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-size: 1.4rem;
        }

        .card-icon-blue {
            background: rgba(26,47,74,0.08);
            color: var(--primary-light);
        }

        .card-icon-gold {
            background: rgba(200,150,62,0.1);
            color: var(--accent-dark);
        }

        .card-icon-teal {
            background: rgba(20,140,130,0.08);
            color: #148c82;
        }

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

        .card-custom p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Category entry cards */
        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            cursor: pointer;
        }

        .category-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-4px);
        }

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

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

        .category-card:hover .category-card-img img {
            transform: scale(1.06);
        }

        .category-card-img .cat-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15,30,50,0.55) 0%, transparent 50%);
        }

        .category-card-body {
            padding: 22px 24px;
        }

        .category-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--primary-dark);
        }

        .category-card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.5;
        }

        .category-card-body .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: 12px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent-dark);
            transition: all var(--transition);
        }

        .category-card:hover .cat-link {
            gap: 9px;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            text-align: center;
        }

        .stat-block {
            flex: 0 0 auto;
            min-width: 140px;
        }

        .stat-block .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1;
            letter-spacing: -0.5px;
        }

        .stat-block .stat-number .accent {
            color: var(--accent);
        }

        .stat-block .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }

        .news-list-item:last-child {
            border-bottom: none;
        }

        .news-list-item:hover {
            padding-left: 8px;
        }

        .news-thumb {
            width: 90px;
            height: 64px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-light);
        }

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

        .news-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-info .news-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .news-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 0.75rem;
            font-weight: 500;
            border-radius: 12px;
            background: rgba(200,150,62,0.1);
            color: var(--accent-dark);
        }

        .news-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 1rem;
        }

        /* ========== PROCESS / STEPS ========== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: process-step;
        }

        .process-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 30px 22px;
            text-align: center;
            position: relative;
            transition: all var(--transition);
            counter-increment: process-step;
        }

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

        .process-card .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 16px;
            transition: all var(--transition);
        }

        .process-card:hover .step-num {
            background: var(--accent);
            box-shadow: 0 6px 20px rgba(200,150,62,0.3);
        }

        .process-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 6px;
        }

        .process-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-white);
            transition: all var(--transition);
        }

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

        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary-dark);
            background: var(--bg-white);
            padding: 18px 22px;
            border-radius: var(--radius) !important;
            box-shadow: none !important;
            transition: all var(--transition);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--accent-dark);
            background: rgba(200,150,62,0.04);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(200,150,62,0.12) !important;
            border-color: var(--accent);
        }

        .faq-accordion .accordion-body {
            padding: 0 22px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            z-index: 0;
            background: radial-gradient(ellipse at 20% 50%, rgba(200,150,62,0.1) 0%, transparent 55%),
                        radial-gradient(ellipse at 75% 40%, rgba(255,255,255,0.03) 0%, transparent 50%);
            pointer-events: none;
        }

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

        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(255,255,255,0.75);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border: none;
            border-radius: 26px;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-cta-lg:hover {
            background: var(--accent-light);
            color: #fff;
            box-shadow: 0 10px 30px rgba(200,150,62,0.4);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.7);
            padding: 50px 0 30px;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.55);
            line-height: 1.6;
            max-width: 300px;
        }

        .footer-links-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-links li a {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.6);
            transition: all var(--transition);
        }

        .footer-links li a:hover {
            color: #f0d89c;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 36px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.45);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 56px;
                --section-gap-sm: 36px;
            }
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.75rem; }
            .hero-title { font-size: 2.3rem; }
            .hero-section { min-height: 460px; }
            .hero-content { padding: 60px 0; }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links-wrapper .nav-link {
                padding: 8px 12px;
                font-size: 0.88rem;
            }
            .nav-search-input {
                width: 160px;
            }
            .nav-search-input:focus {
                width: 190px;
            }
            .cta-section {
                padding: 40px 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 44px;
                --section-gap-sm: 30px;
            }
            h1 { font-size: 1.9rem; }
            h2 { font-size: 1.5rem; }
            h3 { font-size: 1.25rem; }
            .hero-title { font-size: 1.9rem; }
            .hero-section { min-height: 400px; }
            .hero-content { padding: 44px 0; }
            .hero-desc { font-size: 1rem; }
            .hero-stats-row { gap: 20px; }
            .hero-stat-num { font-size: 1.5rem; }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stats-row { gap: 20px; }
            .stat-block .stat-number { font-size: 2rem; }
            .category-card-img { height: 160px; }
            .cta-section h2 { font-size: 1.5rem; }
            .cta-section p { font-size: 0.95rem; }
            .news-thumb { width: 70px; height: 50px; }
            .section-header h2 { font-size: 1.5rem; }
            .section-header { margin-bottom: 32px; }

            /* Mobile nav */
            .nav-links-wrapper { display: none; }
            .nav-right-group .nav-search-wrap { display: none; }
            .nav-right-group .btn-nav-cta { display: none; }
            .navbar-toggler-custom { display: block; }
            .mobile-nav-panel { display: block; }
            .mobile-nav-overlay { display: block; pointer-events: none; }
            .mobile-nav-overlay.show { pointer-events: auto; }
        }

        @media (max-width: 520px) {
            :root {
                --section-gap: 32px;
                --section-gap-sm: 24px;
            }
            h1 { font-size: 1.6rem; }
            h2 { font-size: 1.3rem; }
            .hero-title { font-size: 1.6rem; }
            .hero-section { min-height: 340px; }
            .hero-content { padding: 32px 0; }
            .hero-desc { font-size: 0.9rem; }
            .hero-btns { flex-direction: column; }
            .btn-hero-primary,
            .btn-hero-outline { width: 100%; justify-content: center; }
            .hero-stats-row { gap: 14px; }
            .hero-stat-num { font-size: 1.3rem; }
            .hero-stat-label { font-size: 0.75rem; }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stats-row { gap: 16px; flex-direction: column; align-items: center; }
            .category-card-img { height: 140px; }
            .cta-section { padding: 28px 18px; border-radius: var(--radius-lg); }
            .cta-section h2 { font-size: 1.3rem; }
            .news-list-item { flex-direction: column; gap: 10px; }
            .news-thumb { width: 100%; height: 120px; }
            .section-header h2 { font-size: 1.3rem; }
            .card-custom { padding: 20px; }
            .site-header { --nav-height: 56px; }
            .navbar-brand-custom { font-size: 1.15rem; }
            .brand-icon { width: 32px; height: 32px; font-size: 0.95rem; }
            .btn-nav-cta { padding: 7px 16px; font-size: 0.82rem; }
        }

        /* Utility animations */
        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
        }
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(24px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .delay-1 { animation-delay: 0.1s; }
        .delay-2 { animation-delay: 0.2s; }
        .delay-3 { animation-delay: 0.3s; }

/* roulang page: article */
/* ============ 设计变量 ============ */
    :root {
        --primary: #1a3c6e;
        --primary-light: #2a5298;
        --primary-dark: #0f2447;
        --accent: #e8491a;
        --accent-hover: #c93d14;
        --accent-light: #fff0ec;
        --bg-body: #f6f7fa;
        --bg-white: #ffffff;
        --bg-card: #ffffff;
        --bg-muted: #eef1f6;
        --text-primary: #1a1f2e;
        --text-secondary: #5a6072;
        --text-muted: #8b90a0;
        --text-white: #ffffff;
        --border-color: #e2e5ed;
        --border-light: #f0f1f5;
        --shadow-sm: 0 1px 3px rgba(26,60,110,0.06);
        --shadow-md: 0 4px 16px rgba(26,60,110,0.10);
        --shadow-lg: 0 8px 32px rgba(26,60,110,0.14);
        --shadow-xl: 0 16px 48px rgba(26,60,110,0.18);
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --radius-xl: 24px;
        --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
        --container-max: 1200px;
        --navbar-height: 68px;
    }

    /* ============ Reset & Base ============ */
    *, *::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: var(--font-body);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-primary);
        background-color: var(--bg-body);
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        overflow-x: hidden;
    }
    main { flex: 1 0 auto; }
    a { text-decoration: none; color: inherit; transition: color var(--transition); }
    img { max-width: 100%; height: auto; display: block; }
    button { cursor: pointer; border: none; font-family: var(--font-body); }
    input { font-family: var(--font-body); }
    ul { list-style: none; padding: 0; margin: 0; }

    /* ============ 容器 ============ */
    .container { max-width: var(--container-max); padding-left: 20px; padding-right: 20px; }

    /* ============ Header / Nav ============ */
    .site-header {
        position: sticky; top: 0; z-index: 1050;
        background: var(--bg-white);
        height: var(--navbar-height);
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-sm);
    }
    .site-header .container { height: 100%; }
    .navbar-custom {
        display: flex; align-items: center; justify-content: space-between;
        height: 100%; gap: 16px;
    }
    .navbar-brand-custom {
        display: flex; align-items: center; gap: 10px;
        font-size: 1.25rem; font-weight: 700; color: var(--primary);
        white-space: nowrap; flex-shrink: 0;
        transition: opacity var(--transition);
    }
    .navbar-brand-custom:hover { opacity: 0.85; color: var(--primary); }
    .brand-icon {
        display: inline-flex; align-items: center; justify-content: center;
        width: 36px; height: 36px;
        background: var(--primary); color: var(--text-white);
        border-radius: var(--radius-sm);
        font-size: 1.1rem; font-weight: 700;
        flex-shrink: 0;
    }
    .nav-links-wrapper {
        display: flex; align-items: center; gap: 6px;
        list-style: none; margin: 0; padding: 0;
    }
    .nav-links-wrapper .nav-link {
        display: inline-block; padding: 8px 16px;
        font-size: 0.95rem; font-weight: 500;
        color: var(--text-secondary);
        border-radius: var(--radius-sm);
        transition: all var(--transition);
        white-space: nowrap;
    }
    .nav-links-wrapper .nav-link:hover {
        color: var(--primary);
        background: rgba(26,60,110,0.05);
    }
    .nav-links-wrapper .nav-link.active {
        color: var(--primary);
        background: rgba(26,60,110,0.08);
        font-weight: 600;
    }
    .nav-right-group {
        display: flex; align-items: center; gap: 10px; flex-shrink: 0;
    }
    .nav-search-wrap {
        position: relative; display: flex; align-items: center;
    }
    .nav-search-input {
        width: 200px; height: 40px;
        padding: 0 40px 0 16px;
        border: 1.5px solid var(--border-color);
        border-radius: 20px;
        font-size: 0.875rem; color: var(--text-primary);
        background: var(--bg-body);
        transition: all var(--transition);
        outline: none;
    }
    .nav-search-input:focus {
        border-color: var(--primary-light);
        background: var(--bg-white);
        box-shadow: 0 0 0 3px rgba(26,60,110,0.06);
        width: 240px;
    }
    .nav-search-input::placeholder { color: var(--text-muted); }
    .nav-search-icon {
        position: absolute; right: 14px;
        color: var(--text-muted); font-size: 0.85rem; pointer-events: none;
    }
    .btn-nav-cta {
        display: inline-flex; align-items: center; gap: 6px;
        padding: 10px 20px;
        background: var(--accent); color: var(--text-white);
        font-size: 0.9rem; font-weight: 600;
        border-radius: 20px;
        transition: all var(--transition);
        white-space: nowrap;
    }
    .btn-nav-cta:hover {
        background: var(--accent-hover);
        box-shadow: var(--shadow-md);
        transform: translateY(-1px);
        color: var(--text-white);
    }
    .navbar-toggler-custom {
        display: none; align-items: center; justify-content: center;
        width: 40px; height: 40px;
        background: transparent; color: var(--text-primary);
        font-size: 1.4rem; border-radius: var(--radius-sm);
        transition: background var(--transition);
    }
    .navbar-toggler-custom:hover { background: var(--bg-muted); }

    /* ============ 文章 Banner ============ */
    .article-banner {
        position: relative;
        background: linear-gradient(160deg, #1a3c6e 0%, #1f4d8c 40%, #16325c 100%);
        padding: 56px 0 48px;
        overflow: hidden;
        color: var(--text-white);
    }
    .article-banner::before {
        content: ''; position: absolute; inset: 0;
        background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        opacity: 0.12;
        pointer-events: none;
    }
    .article-banner-pattern {
        position: absolute; inset: 0;
        background: radial-gradient(ellipse at 30% 50%, rgba(255,255,255,0.04) 0%, transparent 60%),
                    radial-gradient(ellipse at 75% 30%, rgba(232,73,26,0.08) 0%, transparent 50%);
        pointer-events: none;
    }
    .article-banner .container { position: relative; z-index: 2; }
    .breadcrumb-custom {
        display: flex; align-items: center; gap: 8px;
        font-size: 0.875rem; color: rgba(255,255,255,0.7);
        margin-bottom: 20px; flex-wrap: wrap;
    }
    .breadcrumb-custom a {
        color: rgba(255,255,255,0.85);
        transition: color var(--transition);
    }
    .breadcrumb-custom a:hover { color: #fff; }
    .breadcrumb-sep { font-size: 0.7rem; opacity: 0.5; }
    .article-banner-tag {
        display: inline-block;
        padding: 5px 14px;
        background: var(--accent);
        color: #fff;
        font-size: 0.8rem; font-weight: 600;
        border-radius: 20px;
        margin-bottom: 16px;
        letter-spacing: 0.02em;
    }
    .article-banner h1 {
        font-size: 2rem; font-weight: 700; line-height: 1.4;
        margin-bottom: 14px; letter-spacing: -0.01em;
    }
    .article-meta {
        display: flex; align-items: center; gap: 20px;
        font-size: 0.875rem; color: rgba(255,255,255,0.7);
        flex-wrap: wrap;
    }
    .article-meta span {
        display: inline-flex; align-items: center; gap: 6px;
    }
    .article-meta i { font-size: 0.85rem; }

    /* ============ 文章正文区域 ============ */
    .article-main-section {
        padding: 48px 0 56px;
        background: var(--bg-body);
    }
    .article-layout {
        display: grid;
        grid-template-columns: 1fr 320px;
        gap: 36px;
        align-items: start;
    }
    .article-content-card {
        background: var(--bg-white);
        border-radius: var(--radius-lg);
        padding: 40px;
        box-shadow: var(--shadow-md);
        border: 1px solid var(--border-light);
    }
    .article-content-body {
        font-size: 1.05rem; line-height: 1.9;
        color: var(--text-primary);
    }
    .article-content-body h2 {
        font-size: 1.45rem; font-weight: 700;
        margin: 32px 0 16px;
        color: var(--primary);
        padding-bottom: 10px;
        border-bottom: 2px solid var(--border-color);
    }
    .article-content-body h3 {
        font-size: 1.2rem; font-weight: 600;
        margin: 24px 0 12px;
        color: var(--text-primary);
    }
    .article-content-body p {
        margin-bottom: 18px;
        color: var(--text-primary);
    }
    .article-content-body ul, .article-content-body ol {
        margin-bottom: 18px;
        padding-left: 24px;
    }
    .article-content-body ul { list-style: disc; }
    .article-content-body ol { list-style: decimal; }
    .article-content-body li {
        margin-bottom: 8px;
        color: var(--text-secondary);
    }
    .article-content-body blockquote {
        border-left: 4px solid var(--accent);
        background: var(--accent-light);
        padding: 18px 24px;
        margin: 24px 0;
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        color: var(--text-primary);
        font-style: italic;
    }
    .article-content-body img {
        border-radius: var(--radius-md);
        margin: 20px 0;
        box-shadow: var(--shadow-sm);
    }
    .article-content-body a {
        color: var(--primary-light);
        text-decoration: underline;
        text-underline-offset: 3px;
    }
    .article-content-body a:hover { color: var(--accent); }
    .article-content-body table {
        width: 100%; border-collapse: collapse; margin: 20px 0;
        border-radius: var(--radius-sm); overflow: hidden;
        border: 1px solid var(--border-color);
    }
    .article-content-body th {
        background: var(--primary);
        color: #fff;
        padding: 12px 16px;
        font-weight: 600;
        text-align: left;
    }
    .article-content-body td {
        padding: 10px 16px;
        border-bottom: 1px solid var(--border-light);
    }
    .article-content-body tr:nth-child(even) td {
        background: var(--bg-body);
    }

    /* ============ 侧边栏 ============ */
    .article-sidebar {
        position: sticky; top: calc(var(--navbar-height) + 24px);
        display: flex; flex-direction: column; gap: 24px;
    }
    .sidebar-card {
        background: var(--bg-white);
        border-radius: var(--radius-lg);
        padding: 24px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
    }
    .sidebar-card-title {
        font-size: 1rem; font-weight: 700;
        color: var(--primary);
        margin-bottom: 16px;
        padding-bottom: 12px;
        border-bottom: 2px solid var(--border-color);
        display: flex; align-items: center; gap: 8px;
    }
    .sidebar-card-title i { color: var(--accent); font-size: 0.9rem; }
    .sidebar-article-list {
        display: flex; flex-direction: column; gap: 14px;
    }
    .sidebar-article-item {
        display: flex; gap: 12px;
        padding-bottom: 14px;
        border-bottom: 1px solid var(--border-light);
        transition: transform var(--transition);
    }
    .sidebar-article-item:last-child { border-bottom: none; padding-bottom: 0; }
    .sidebar-article-item:hover { transform: translateX(4px); }
    .sidebar-article-thumb {
        width: 72px; height: 56px;
        border-radius: var(--radius-sm);
        object-fit: cover;
        flex-shrink: 0;
        background: var(--bg-muted);
    }
    .sidebar-article-info { flex: 1; min-width: 0; }
    .sidebar-article-info a {
        font-size: 0.85rem; font-weight: 600;
        color: var(--text-primary);
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        transition: color var(--transition);
    }
    .sidebar-article-info a:hover { color: var(--accent); }
    .sidebar-article-date {
        font-size: 0.75rem; color: var(--text-muted);
        margin-top: 4px;
    }
    .sidebar-cta-card {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
        color: #fff;
        border-radius: var(--radius-lg);
        padding: 24px;
        text-align: center;
    }
    .sidebar-cta-card h4 {
        font-size: 1rem; font-weight: 700; margin-bottom: 8px;
    }
    .sidebar-cta-card p {
        font-size: 0.85rem; opacity: 0.85; margin-bottom: 16px; line-height: 1.5;
    }
    .btn-sidebar-cta {
        display: inline-flex; align-items: center; gap: 6px;
        padding: 10px 22px;
        background: var(--accent); color: #fff;
        font-size: 0.9rem; font-weight: 600;
        border-radius: 20px;
        transition: all var(--transition);
    }
    .btn-sidebar-cta:hover {
        background: var(--accent-hover);
        box-shadow: 0 4px 16px rgba(232,73,26,0.4);
        transform: translateY(-2px);
        color: #fff;
    }

    /* ============ 相关推荐区域 ============ */
    .related-section {
        padding: 48px 0 56px;
        background: var(--bg-white);
        border-top: 1px solid var(--border-light);
    }
    .section-header {
        text-align: center; margin-bottom: 36px;
    }
    .section-label {
        display: inline-block;
        padding: 5px 14px;
        background: rgba(26,60,110,0.06);
        color: var(--primary);
        font-size: 0.8rem; font-weight: 600;
        border-radius: 20px;
        letter-spacing: 0.04em;
        margin-bottom: 10px;
    }
    .section-title {
        font-size: 1.6rem; font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 6px;
    }
    .section-subtitle {
        font-size: 0.95rem; color: var(--text-muted);
        max-width: 500px; margin: 0 auto;
    }
    .related-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .related-card {
        background: var(--bg-white);
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-sm);
        transition: all var(--transition);
        display: flex; flex-direction: column;
    }
    .related-card:hover {
        box-shadow: var(--shadow-lg);
        transform: translateY(-4px);
        border-color: var(--border-color);
    }
    .related-card-img {
        width: 100%; height: 180px;
        object-fit: cover;
        background: var(--bg-muted);
    }
    .related-card-body {
        padding: 20px; flex: 1; display: flex; flex-direction: column;
    }
    .related-card-tag {
        display: inline-block;
        padding: 3px 10px;
        background: rgba(26,60,110,0.06);
        color: var(--primary);
        font-size: 0.75rem; font-weight: 600;
        border-radius: 12px;
        margin-bottom: 10px;
        align-self: flex-start;
    }
    .related-card-title {
        font-size: 1rem; font-weight: 700;
        color: var(--text-primary);
        line-height: 1.5;
        margin-bottom: 8px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        transition: color var(--transition);
    }
    .related-card:hover .related-card-title { color: var(--accent); }
    .related-card-desc {
        font-size: 0.85rem; color: var(--text-muted);
        line-height: 1.5;
        flex: 1;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 12px;
    }
    .related-card-date {
        font-size: 0.78rem; color: var(--text-muted);
        display: flex; align-items: center; gap: 5px;
    }
    .related-card-date i { font-size: 0.7rem; }

    /* ============ CTA 区域 ============ */
    .cta-section {
        padding: 56px 0;
        background: linear-gradient(160deg, #1a3c6e 0%, #1f4d8c 40%, #16325c 100%);
        position: relative; overflow: hidden;
    }
    .cta-section::before {
        content: ''; position: absolute; inset: 0;
        background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        opacity: 0.08;
        pointer-events: none;
    }
    .cta-section .container { position: relative; z-index: 2; }
    .cta-card {
        background: var(--bg-white);
        border-radius: var(--radius-xl);
        padding: 44px 40px;
        box-shadow: var(--shadow-xl);
        display: flex; align-items: center; gap: 40px;
        flex-wrap: wrap;
    }
    .cta-card-text { flex: 1; min-width: 240px; }
    .cta-card-text h2 {
        font-size: 1.6rem; font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 10px;
    }
    .cta-card-text p {
        font-size: 1rem; color: var(--text-secondary);
        line-height: 1.6; margin: 0;
    }
    .btn-cta-large {
        display: inline-flex; align-items: center; gap: 8px;
        padding: 14px 32px;
        background: var(--accent); color: #fff;
        font-size: 1rem; font-weight: 700;
        border-radius: 28px;
        transition: all var(--transition);
        white-space: nowrap;
        flex-shrink: 0;
    }
    .btn-cta-large:hover {
        background: var(--accent-hover);
        box-shadow: 0 8px 28px rgba(232,73,26,0.35);
        transform: translateY(-3px);
        color: #fff;
    }

    /* ============ Footer ============ */
    .site-footer {
        background: #111827;
        color: #c9cdd4;
        padding: 48px 0 20px;
        font-size: 0.9rem;
    }
    .footer-brand {
        font-size: 1.3rem; font-weight: 700; color: #fff;
        margin-bottom: 12px;
    }
    .footer-desc {
        font-size: 0.875rem; line-height: 1.7; color: #9ca3af;
        max-width: 300px;
    }
    .footer-links-title {
        font-size: 0.9rem; font-weight: 700; color: #e5e7eb;
        margin-bottom: 14px; letter-spacing: 0.02em;
    }
    .footer-links { list-style: none; padding: 0; margin: 0; }
    .footer-links li { margin-bottom: 8px; }
    .footer-links a {
        color: #9ca3af; font-size: 0.875rem;
        transition: color var(--transition);
        display: inline-flex; align-items: center; gap: 6px;
    }
    .footer-links a:hover { color: #fff; }
    .footer-bottom {
        margin-top: 32px; padding-top: 16px;
        border-top: 1px solid rgba(255,255,255,0.08);
        text-align: center;
        font-size: 0.8rem; color: #6b7280;
    }

    /* ============ 未找到状态 ============ */
    .not-found-section {
        padding: 80px 0; text-align: center;
        background: var(--bg-body);
        flex: 1; display: flex; align-items: center;
    }
    .not-found-card {
        background: var(--bg-white);
        border-radius: var(--radius-xl);
        padding: 60px 40px;
        box-shadow: var(--shadow-lg);
        max-width: 560px; margin: 0 auto;
    }
    .not-found-icon {
        font-size: 4rem; color: var(--accent); margin-bottom: 20px;
    }
    .not-found-card h2 {
        font-size: 1.5rem; font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 10px;
    }
    .not-found-card p {
        color: var(--text-secondary);
        margin-bottom: 24px;
    }
    .btn-back-home {
        display: inline-flex; align-items: center; gap: 6px;
        padding: 12px 28px;
        background: var(--primary); color: #fff;
        font-weight: 600; border-radius: 24px;
        transition: all var(--transition);
    }
    .btn-back-home:hover {
        background: var(--primary-light);
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
        color: #fff;
    }

    /* ============ 响应式 ============ */
    @media (max-width: 1024px) {
        .article-layout {
            grid-template-columns: 1fr;
        }
        .article-sidebar {
            position: static;
            flex-direction: row; flex-wrap: wrap;
        }
        .sidebar-card { flex: 1; min-width: 260px; }
        .sidebar-cta-card { flex: 1; min-width: 220px; }
        .related-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .article-content-card { padding: 28px; }
        .article-banner h1 { font-size: 1.6rem; }
        .nav-search-input { width: 160px; }
        .nav-search-input:focus { width: 180px; }
    }

    @media (max-width: 768px) {
        .navbar-custom { gap: 10px; }
        .nav-links-wrapper {
            position: fixed; top: var(--navbar-height); left: 0; right: 0;
            background: var(--bg-white);
            flex-direction: column;
            padding: 16px;
            border-bottom: 2px solid var(--border-color);
            box-shadow: var(--shadow-lg);
            display: none;
            z-index: 1049;
        }
        .nav-links-wrapper.show { display: flex; }
        .nav-links-wrapper .nav-link {
            width: 100%; padding: 12px 16px;
            border-radius: var(--radius-sm);
        }
        .nav-right-group { gap: 6px; }
        .nav-search-wrap { display: none; }
        .btn-nav-cta {
            padding: 8px 14px; font-size: 0.8rem; gap: 4px;
            border-radius: 16px;
        }
        .navbar-toggler-custom { display: flex; }
        .related-grid {
            grid-template-columns: 1fr;
        }
        .article-banner h1 { font-size: 1.35rem; }
        .article-content-card { padding: 22px 18px; }
        .article-content-body { font-size: 0.95rem; }
        .cta-card {
            flex-direction: column; text-align: center;
            padding: 28px 22px;
            gap: 20px;
        }
        .cta-card-text h2 { font-size: 1.3rem; }
        .section-title { font-size: 1.3rem; }
        .article-layout { gap: 20px; }
        .article-main-section { padding: 32px 0 40px; }
        .related-section { padding: 36px 0 40px; }
    }

    @media (max-width: 520px) {
        .navbar-brand-custom { font-size: 1rem; }
        .brand-icon { width: 30px; height: 30px; font-size: 0.9rem; }
        .article-banner { padding: 36px 0 32px; }
        .article-banner h1 { font-size: 1.15rem; }
        .article-meta { gap: 10px; font-size: 0.78rem; }
        .article-content-card { padding: 16px 12px; border-radius: var(--radius-md); }
        .article-content-body h2 { font-size: 1.2rem; }
        .article-content-body h3 { font-size: 1.05rem; }
        .sidebar-card { min-width: 100%; }
        .related-card-img { height: 140px; }
        .cta-section { padding: 36px 0; }
        .site-footer { padding: 32px 0 16px; }
        .section-title { font-size: 1.15rem; }
    }

/* roulang page: category1 */
:root {
            --brand-primary: #1a3c6e;
            --brand-primary-light: #2a5298;
            --brand-accent: #e84c3d;
            --brand-accent-hover: #c0392b;
            --brand-gold: #d4a843;
            --brand-gold-light: #f0d078;
            --bg-white: #ffffff;
            --bg-light: #f8f9fb;
            --bg-lighter: #f0f2f7;
            --bg-dark: #0f1a2e;
            --bg-darker: #0a1220;
            --text-primary: #1a1f2e;
            --text-secondary: #4a5568;
            --text-muted: #7b8794;
            --text-light: #a0aec0;
            --text-on-dark: #e2e8f0;
            --border-light: #e2e8f0;
            --border-medium: #cbd5e0;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.10);
            --shadow-lg: 0 14px 40px rgba(0,0,0,0.14);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.18);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 26px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.40s ease;
            --font-stack: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }
        *,*::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:var(--font-stack);font-size:16px;line-height:1.72;color:var(--text-primary);background:var(--bg-white);overflow-x:hidden;min-height:100vh}
        img{max-width:100%;height:auto;display:block}
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        button{border:none;cursor:pointer;font-family:inherit}
        input{font-family:inherit}
        ul,ol{list-style:none;padding:0;margin:0}
        h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--text-primary)}
        .container{max-width:1240px;padding-left:20px;padding-right:20px}

        /* Header */
        .site-header{position:sticky;top:0;z-index:1050;background:rgba(255,255,255,0.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-sm);height:66px;transition:box-shadow var(--transition-base)}
        .site-header.scrolled{box-shadow:var(--shadow-md)}
        .navbar-custom{display:flex;align-items:center;height:66px;gap:0;position:relative}
        .navbar-brand-custom{display:flex;align-items:center;gap:10px;font-size:1.22rem;font-weight:750;color:var(--brand-primary);white-space:nowrap;letter-spacing:-0.01em;flex-shrink:0;margin-right:14px}
        .navbar-brand-custom:hover{color:var(--brand-primary-light)}
        .brand-icon{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;background:linear-gradient(135deg,var(--brand-primary) 0%,var(--brand-primary-light) 100%);color:#fff;font-weight:800;font-size:1.1rem;border-radius:10px;flex-shrink:0}
        .nav-links-wrapper{display:flex;align-items:center;gap:4px;margin-left:10px;flex-shrink:0}
        .nav-links-wrapper .nav-item{position:relative}
        .nav-links-wrapper .nav-link{display:block;padding:8px 16px;border-radius:8px;font-size:0.96rem;font-weight:540;color:var(--text-secondary);transition:all var(--transition-fast);white-space:nowrap;position:relative}
        .nav-links-wrapper .nav-link:hover{color:var(--brand-primary);background:rgba(26,60,110,0.05)}
        .nav-links-wrapper .nav-link.active{color:var(--brand-primary);font-weight:680;background:rgba(26,60,110,0.08)}
        .nav-links-wrapper .nav-link.active::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:20px;height:3px;background:var(--brand-accent);border-radius:3px}
        .nav-right-group{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0}
        .nav-search-wrap{position:relative;display:flex;align-items:center}
        .nav-search-input{width:190px;height:38px;padding:0 36px 0 14px;border:1.5px solid var(--border-light);border-radius:20px;font-size:0.88rem;color:var(--text-primary);background:var(--bg-lighter);outline:none;transition:all var(--transition-fast)}
        .nav-search-input:focus{border-color:var(--brand-primary-light);background:var(--bg-white);box-shadow:0 0 0 4px rgba(26,60,110,0.06);width:220px}
        .nav-search-icon{position:absolute;right:13px;font-size:0.85rem;color:var(--text-muted);pointer-events:none}
        .btn-nav-cta{display:inline-flex;align-items:center;gap:7px;padding:9px 18px;background:var(--brand-accent);color:#fff;border-radius:22px;font-size:0.9rem;font-weight:600;white-space:nowrap;transition:all var(--transition-fast);box-shadow:0 3px 12px rgba(232,76,61,0.3)}
        .btn-nav-cta:hover{background:var(--brand-accent-hover);box-shadow:0 6px 20px rgba(232,76,61,0.4);transform:translateY(-1px);color:#fff}
        .btn-nav-cta:active{transform:translateY(0);box-shadow:0 2px 8px rgba(232,76,61,0.3)}
        .navbar-toggler-custom{display:none;background:none;font-size:1.4rem;color:var(--text-primary);padding:6px 8px;border-radius:8px;transition:background var(--transition-fast)}
        .navbar-toggler-custom:hover{background:var(--bg-lighter)}

        /* Mobile nav */
        .mobile-nav-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.45);z-index:1049;opacity:0;transition:opacity var(--transition-base)}
        .mobile-nav-overlay.show{opacity:1}
        .mobile-nav-panel{position:fixed;top:0;right:-320px;width:300px;height:100%;background:var(--bg-white);z-index:1051;box-shadow:var(--shadow-xl);transition:right var(--transition-slow);padding:24px 20px;overflow-y:auto;display:flex;flex-direction:column;gap:16px}
        .mobile-nav-panel.show{right:0}
        .mobile-nav-panel .nav-link-mobile{display:block;padding:12px 16px;border-radius:10px;font-size:1.02rem;font-weight:540;color:var(--text-secondary);transition:all var(--transition-fast)}
        .mobile-nav-panel .nav-link-mobile:hover{background:var(--bg-lighter);color:var(--brand-primary)}
        .mobile-nav-panel .nav-link-mobile.active{background:rgba(26,60,110,0.08);color:var(--brand-primary);font-weight:680}
        .mobile-nav-close{position:absolute;top:14px;right:14px;background:none;font-size:1.3rem;color:var(--text-muted);padding:6px;border-radius:8px;transition:all var(--transition-fast)}
        .mobile-nav-close:hover{background:var(--bg-lighter);color:var(--text-primary)}

        /* Page Banner */
        .page-banner{position:relative;padding:80px 0 70px;background:linear-gradient(170deg, #f0f4fa 0%, #e8edf5 30%, #dce4f0 70%, #f4f6fa 100%);overflow:hidden}
        .page-banner::before{content:'';position:absolute;top:-80px;right:-120px;width:420px;height:420px;background:radial-gradient(circle, rgba(26,60,110,0.07) 0%, transparent 70%);border-radius:50%;pointer-events:none}
        .page-banner::after{content:'';position:absolute;bottom:-60px;left:-80px;width:340px;height:340px;background:radial-gradient(circle, rgba(232,76,61,0.05) 0%, transparent 70%);border-radius:50%;pointer-events:none}
        .page-banner .banner-content{position:relative;z-index:2}
        .breadcrumb-custom{display:flex;align-items:center;gap:8px;font-size:0.88rem;color:var(--text-muted);margin-bottom:18px;flex-wrap:wrap}
        .breadcrumb-custom a{color:var(--text-secondary);transition:color var(--transition-fast)}
        .breadcrumb-custom a:hover{color:var(--brand-primary)}
        .breadcrumb-custom .separator{color:var(--text-light);font-size:0.7rem}
        .breadcrumb-custom .current{color:var(--brand-primary);font-weight:600}
        .page-banner .banner-title{font-size:2.6rem;font-weight:800;color:var(--text-primary);margin-bottom:14px;letter-spacing:-0.01em}
        .page-banner .banner-title .accent{color:var(--brand-accent)}
        .page-banner .banner-desc{font-size:1.1rem;color:var(--text-secondary);max-width:620px;line-height:1.75}
        .banner-stats-row{display:flex;gap:36px;margin-top:28px;flex-wrap:wrap}
        .banner-stat-item{display:flex;align-items:center;gap:10px}
        .banner-stat-num{font-size:1.8rem;font-weight:800;color:var(--brand-primary);line-height:1}
        .banner-stat-label{font-size:0.88rem;color:var(--text-muted);line-height:1.3}

        /* Subcategory Grid */
        .section-block{padding:70px 0}
        .section-block.bg-light{background:var(--bg-light)}
        .section-label{display:inline-block;padding:6px 16px;background:rgba(26,60,110,0.07);color:var(--brand-primary);border-radius:20px;font-size:0.84rem;font-weight:650;margin-bottom:14px;letter-spacing:0.02em}
        .section-title{font-size:2rem;font-weight:750;color:var(--text-primary);margin-bottom:10px}
        .section-subtitle{font-size:1.02rem;color:var(--text-muted);margin-bottom:40px;max-width:600px}
        .subcategory-card{background:var(--bg-white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);transition:all var(--transition-base);height:100%;cursor:pointer;display:flex;flex-direction:column}
        .subcategory-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px);border-color:transparent}
        .subcategory-card .card-img-wrap{position:relative;overflow:hidden;aspect-ratio:16/10}
        .subcategory-card .card-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}
        .subcategory-card:hover .card-img-wrap img{transform:scale(1.06)}
        .subcategory-card .card-img-overlay-tag{position:absolute;top:14px;left:14px;padding:5px 13px;background:rgba(232,76,61,0.92);color:#fff;border-radius:16px;font-size:0.78rem;font-weight:650;z-index:1}
        .subcategory-card .card-body{padding:20px;flex:1;display:flex;flex-direction:column}
        .subcategory-card .card-title{font-size:1.18rem;font-weight:700;color:var(--text-primary);margin-bottom:8px}
        .subcategory-card .card-desc{font-size:0.9rem;color:var(--text-muted);line-height:1.6;flex:1;margin-bottom:14px}
        .subcategory-card .card-link-more{font-size:0.9rem;font-weight:650;color:var(--brand-primary);display:inline-flex;align-items:center;gap:5px;transition:gap var(--transition-fast)}
        .subcategory-card:hover .card-link-more{gap:9px;color:var(--brand-accent)}

        /* Hot Events List */
        .event-list-item{display:flex;align-items:center;gap:18px;padding:18px 20px;background:var(--bg-white);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--border-light);transition:all var(--transition-base);margin-bottom:14px}
        .event-list-item:hover{box-shadow:var(--shadow-md);transform:translateX(4px);border-color:transparent}
        .event-list-item .event-rank{font-size:1.6rem;font-weight:800;color:var(--brand-gold);min-width:42px;text-align:center;line-height:1}
        .event-list-item .event-rank.top1{color:var(--brand-accent)}
        .event-list-item .event-rank.top2{color:var(--brand-primary)}
        .event-list-item .event-rank.top3{color:var(--brand-gold)}
        .event-list-item .event-info{flex:1;min-width:0}
        .event-list-item .event-name{font-size:1.05rem;font-weight:680;color:var(--text-primary);margin-bottom:3px}
        .event-list-item .event-meta{font-size:0.84rem;color:var(--text-muted);display:flex;gap:14px;flex-wrap:wrap}
        .event-list-item .event-meta span{display:inline-flex;align-items:center;gap:4px}
        .event-list-item .event-badge{flex-shrink:0;padding:6px 16px;border-radius:18px;font-size:0.82rem;font-weight:650;white-space:nowrap}
        .event-badge.live{background:#e84c3d;color:#fff;animation:pulse-dot 1.8s infinite}
        .event-badge.upcoming{background:rgba(26,60,110,0.1);color:var(--brand-primary)}
        .event-badge.ended{background:var(--bg-lighter);color:var(--text-muted)}
        @keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:0.7}}

        /* Featured Card Row */
        .featured-card-large{background:var(--bg-white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--border-light);transition:all var(--transition-base);height:100%}
        .featured-card-large:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px)}
        .featured-card-large .card-img-wrap{position:relative;overflow:hidden;aspect-ratio:3/2}
        .featured-card-large .card-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}
        .featured-card-large:hover .card-img-wrap img{transform:scale(1.05)}
        .featured-card-large .card-img-wrap .tag-floating{position:absolute;bottom:16px;left:16px;padding:6px 14px;background:rgba(0,0,0,0.7);color:#fff;border-radius:14px;font-size:0.8rem;font-weight:600;backdrop-filter:blur(6px)}
        .featured-card-large .card-body{padding:22px}
        .featured-card-large .card-title{font-size:1.22rem;font-weight:700;color:var(--text-primary);margin-bottom:8px;line-height:1.4}
        .featured-card-large .card-text{font-size:0.92rem;color:var(--text-muted);line-height:1.65;margin-bottom:14px}
        .featured-card-large .card-footer-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
        .featured-card-large .card-date{font-size:0.84rem;color:var(--text-light);display:flex;align-items:center;gap:5px}

        /* CTA Section */
        .cta-section{background:linear-gradient(160deg, var(--bg-dark) 0%, #152238 50%, var(--bg-darker) 100%);padding:72px 0;position:relative;overflow:hidden}
        .cta-section::before{content:'';position:absolute;top:-100px;right:-100px;width:380px;height:380px;background:radial-gradient(circle, rgba(232,76,61,0.12) 0%, transparent 70%);border-radius:50%;pointer-events:none}
        .cta-section::after{content:'';position:absolute;bottom:-80px;left:-80px;width:300px;height:300px;background:radial-gradient(circle, rgba(212,168,67,0.1) 0%, transparent 70%);border-radius:50%;pointer-events:none}
        .cta-section .cta-content{position:relative;z-index:2;text-align:center}
        .cta-section .cta-title{font-size:2.2rem;font-weight:800;color:#fff;margin-bottom:14px}
        .cta-section .cta-desc{font-size:1.05rem;color:var(--text-on-dark);max-width:560px;margin:0 auto 30px;line-height:1.7}
        .btn-cta-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 34px;background:var(--brand-accent);color:#fff;border-radius:28px;font-size:1.05rem;font-weight:680;box-shadow:0 8px 28px rgba(232,76,61,0.4);transition:all var(--transition-base);border:none}
        .btn-cta-primary:hover{background:#fff;color:var(--brand-accent);box-shadow:0 12px 36px rgba(255,255,255,0.2);transform:translateY(-3px)}
        .btn-cta-primary:active{transform:translateY(0)}
        .btn-cta-outline{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.35);border-radius:28px;font-size:1rem;font-weight:600;transition:all var(--transition-base);margin-left:14px}
        .btn-cta-outline:hover{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.7);color:#fff;transform:translateY(-2px)}

        /* FAQ */
        .faq-item{border:1px solid var(--border-light);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;background:var(--bg-white);transition:all var(--transition-fast)}
        .faq-item:hover{border-color:var(--border-medium)}
        .faq-question{padding:18px 22px;font-weight:640;font-size:1rem;color:var(--text-primary);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;user-select:none;transition:background var(--transition-fast)}
        .faq-question:hover{background:var(--bg-lighter)}
        .faq-question .faq-icon{font-size:0.85rem;color:var(--text-muted);transition:transform var(--transition-fast);flex-shrink:0}
        .faq-item.open .faq-question .faq-icon{transform:rotate(180deg);color:var(--brand-accent)}
        .faq-answer{padding:0 22px 18px;font-size:0.94rem;color:var(--text-secondary);line-height:1.75;display:none}
        .faq-item.open .faq-answer{display:block}

        /* Footer */
        .site-footer{background:var(--bg-dark);color:var(--text-on-dark);padding:56px 0 30px}
        .footer-brand{font-size:1.2rem;font-weight:750;color:#fff;margin-bottom:10px;letter-spacing:-0.01em}
        .footer-desc{font-size:0.9rem;color:var(--text-light);line-height:1.7;max-width:320px}
        .footer-links-title{font-size:0.95rem;font-weight:680;color:#fff;margin-bottom:14px;letter-spacing:0.01em}
        .footer-links{list-style:none;padding:0;margin:0}
        .footer-links li{margin-bottom:9px}
        .footer-links a{font-size:0.88rem;color:var(--text-light);transition:all var(--transition-fast);display:inline-flex;align-items:center;gap:6px}
        .footer-links a:hover{color:#fff;transform:translateX(3px)}
        .footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,0.12);font-size:0.84rem;color:var(--text-light);text-align:center}

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links-wrapper{display:none}
            .nav-right-group .nav-search-wrap{display:none}
            .nav-right-group .btn-nav-cta{padding:7px 14px;font-size:0.82rem}
            .navbar-toggler-custom{display:block;margin-left:10px}
            .page-banner .banner-title{font-size:2rem}
            .section-title{font-size:1.6rem}
            .banner-stats-row{gap:20px}
            .cta-section .cta-title{font-size:1.7rem}
            .btn-cta-outline{margin-left:0;margin-top:12px}
        }
        @media (max-width: 768px) {
            .site-header{height:58px}
            .navbar-custom{height:58px}
            .navbar-brand-custom{font-size:1rem;gap:6px}
            .brand-icon{width:32px;height:32px;font-size:0.9rem;border-radius:8px}
            .btn-nav-cta{font-size:0.78rem;padding:6px 12px}
            .page-banner{padding:50px 0 44px}
            .page-banner .banner-title{font-size:1.65rem}
            .page-banner .banner-desc{font-size:0.94rem}
            .banner-stats-row{gap:16px}
            .banner-stat-num{font-size:1.4rem}
            .section-block{padding:46px 0}
            .section-title{font-size:1.4rem}
            .event-list-item{flex-wrap:wrap;gap:10px;padding:14px 16px}
            .event-list-item .event-rank{min-width:32px;font-size:1.3rem}
            .cta-section{padding:48px 0}
            .cta-section .cta-title{font-size:1.5rem}
            .cta-section .cta-desc{font-size:0.92rem}
            .featured-card-large .card-body{padding:16px}
        }
        @media (max-width: 520px) {
            .container{padding-left:14px;padding-right:14px}
            .page-banner .banner-title{font-size:1.4rem}
            .banner-stats-row{flex-direction:column;gap:10px}
            .section-title{font-size:1.25rem}
            .subcategory-card .card-body{padding:14px}
            .event-list-item{gap:8px}
            .btn-cta-primary,.btn-cta-outline{width:100%;justify-content:center}
            .btn-cta-outline{margin-left:0;margin-top:10px}
            .nav-right-group .btn-nav-cta{display:none}
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a3a5c;
            --color-primary-light: #1e4d7b;
            --color-accent: #e8860c;
            --color-accent-light: #f5a623;
            --color-accent-dark: #c8700a;
            --color-surface: #ffffff;
            --color-bg: #f6f8fb;
            --color-bg-alt: #edf1f7;
            --color-text: #1c2433;
            --color-text-secondary: #5a6577;
            --color-text-muted: #8893a7;
            --color-border: #dde3ed;
            --color-border-light: #e9eef5;
            --color-success: #1a8a4a;
            --color-warning: #e8a40c;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.40s ease;
            --font-heading: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --header-height: 72px;
        }

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

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

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

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

        a:hover {
            color: var(--color-accent);
        }

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

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

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

        input {
            font-family: inherit;
        }

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

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: 0 1px 0 var(--color-border-light), var(--shadow-xs);
            z-index: 1050;
            display: flex;
            align-items: center;
        }

        .site-header .container {
            height: 100%;
        }

        .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 16px;
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }

        .navbar-brand-custom:hover {
            color: var(--color-primary);
            opacity: 0.85;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links-wrapper {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
        }

        .nav-item {
            list-style: none;
        }

        .nav-link {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(26, 58, 92, 0.04);
        }

        .nav-link.active {
            color: var(--color-accent);
            background: rgba(232, 134, 12, 0.07);
            font-weight: 600;
        }

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

        .nav-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search-input {
            width: 190px;
            height: 40px;
            padding: 0 38px 0 16px;
            border: 1.5px solid var(--color-border);
            border-radius: 20px;
            font-size: 0.9rem;
            color: var(--color-text);
            background: var(--color-bg);
            outline: none;
            transition: all var(--transition-fast);
        }

        .nav-search-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(232, 134, 12, 0.08);
            background: #fff;
            width: 220px;
        }

        .nav-search-input::placeholder {
            color: var(--color-text-muted);
        }

        .nav-search-icon {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-text-muted);
            font-size: 0.9rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 20px;
            border: none;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .btn-nav-cta:hover {
            background: var(--color-accent-dark);
            box-shadow: var(--shadow-sm);
            color: #fff;
        }

        .btn-nav-cta:active {
            transform: scale(0.97);
        }

        .navbar-toggler-custom {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            background: #fff;
            color: var(--color-text);
            font-size: 1.3rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .navbar-toggler-custom:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(232, 134, 12, 0.03);
        }

        /* Section Common */
        .section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-label {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            background: rgba(232, 134, 12, 0.08);
            color: var(--color-accent);
            margin-bottom: 16px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 14px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.08rem;
            color: var(--color-text-secondary);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* Category Banner */
        .category-banner {
            position: relative;
            padding: 90px 0 100px;
            background: linear-gradient(160deg, #1a3a5c 0%, #0f2640 40%, #162d48 100%);
            overflow: hidden;
            color: #fff;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 1;
        }

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

        .category-banner .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .category-banner .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }

        .category-banner .breadcrumb-custom a:hover {
            color: var(--color-accent-light);
        }

        .category-banner .breadcrumb-sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .category-banner .banner-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.10);
            font-size: 2rem;
            color: var(--color-accent-light);
            margin-bottom: 20px;
        }

        .category-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            margin: 0 0 16px;
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .category-banner .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .category-banner .banner-stats-row {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }

        .category-banner .banner-stat {
            text-align: center;
        }

        .category-banner .banner-stat-num {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent-light);
            line-height: 1;
        }

        .category-banner .banner-stat-label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 28px;
        }

        .card-custom {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .card-custom .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-alt);
        }

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

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

        .card-custom .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            z-index: 2;
        }

        .card-custom .card-body-custom {
            padding: 22px 24px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-custom .card-title-custom {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .card-custom .card-text-custom {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0 0 16px;
            flex: 1;
        }

        .card-custom .card-meta-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

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

        .card-custom .card-link-arrow:hover {
            gap: 10px;
            color: var(--color-accent-dark);
        }

        /* Feature list */
        .feature-list-block {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
        }

        .feature-item-row {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
        }

        .feature-item-row:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .feature-item-row:first-child {
            padding-top: 0;
        }

        .feature-icon-circle {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            background: rgba(26, 58, 92, 0.06);
            color: var(--color-primary);
        }

        .feature-item-row h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 5px;
        }

        .feature-item-row p {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* Process steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
            counter-reset: step;
        }

        .process-step-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 32px 24px 28px;
            border: 1px solid var(--color-border-light);
            text-align: center;
            position: relative;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
        }

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

        .process-step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 16px;
        }

        .process-step-card h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
        }

        .process-step-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

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

        .accordion-custom .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition-fast);
        }

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

        .accordion-custom .accordion-button {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            background: #fff;
            padding: 18px 22px;
            border-radius: var(--radius-md) !important;
            box-shadow: none;
            transition: all var(--transition-fast);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: rgba(26, 58, 92, 0.03);
            box-shadow: none;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.08);
            border-color: var(--color-primary-light);
        }

        .accordion-custom .accordion-button::after {
            background-size: 16px;
            transition: transform var(--transition-fast);
        }

        .accordion-custom .accordion-body {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            padding: 4px 22px 20px;
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(150deg, #1a3a5c 0%, #0f2640 50%, #1e4d7b 100%);
            color: #fff;
            text-align: center;
        }

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

        .cta-section .section-desc {
            color: rgba(255, 255, 255, 0.8);
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 28px;
            font-size: 1.05rem;
            font-weight: 700;
            border: none;
            background: var(--color-accent);
            color: #fff;
            transition: all var(--transition-base);
            box-shadow: 0 6px 24px rgba(232, 134, 12, 0.35);
        }

        .btn-cta-primary:hover {
            background: var(--color-accent-light);
            box-shadow: 0 10px 32px rgba(232, 134, 12, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-cta-primary:active {
            transform: scale(0.97);
        }

        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 28px;
            font-size: 1.05rem;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, 0.5);
            background: transparent;
            color: #fff;
            transition: all var(--transition-base);
        }

        .btn-outline-light-custom:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: #0f1c2e;
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 0;
        }

        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .site-footer .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0 0 20px;
            color: rgba(255, 255, 255, 0.6);
            max-width: 340px;
        }

        .site-footer .footer-links-title {
            font-weight: 700;
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

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

        .site-footer .footer-links li {
            margin-bottom: 10px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer .footer-links a:hover {
            color: var(--color-accent-light);
        }

        .site-footer .footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* Mobile nav overlay */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1049;
        }

        .mobile-nav-overlay.show {
            display: block;
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--header-height);
            right: 0;
            width: 280px;
            bottom: 0;
            background: #fff;
            z-index: 1050;
            padding: 20px;
            box-shadow: var(--shadow-xl);
            transform: translateX(100%);
            transition: transform var(--transition-base);
        }

        .mobile-nav-panel.show {
            transform: translateX(0);
        }

        .mobile-nav-panel .nav-link-mobile {
            display: block;
            padding: 13px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            margin-bottom: 4px;
        }

        .mobile-nav-panel .nav-link-mobile:hover,
        .mobile-nav-panel .nav-link-mobile.active {
            background: rgba(232, 134, 12, 0.07);
            color: var(--color-accent);
            font-weight: 600;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links-wrapper {
                gap: 2px;
            }
            .nav-link {
                padding: 8px 11px;
                font-size: 0.9rem;
            }
            .nav-search-input {
                width: 150px;
            }
            .nav-search-input:focus {
                width: 170px;
            }
            .btn-nav-cta {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            .section-title {
                font-size: 1.9rem;
            }
            .category-banner h1 {
                font-size: 2.3rem;
            }
            .cards-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
                gap: 20px;
            }
            .process-steps {
                grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .nav-links-wrapper,
            .nav-right-group .nav-search-wrap,
            .nav-right-group .btn-nav-cta {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .mobile-nav-panel {
                display: block;
            }
            .navbar-brand-custom {
                font-size: 1.1rem;
            }
            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.65rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
            .category-banner {
                padding: 56px 0 60px;
            }
            .category-banner h1 {
                font-size: 1.9rem;
            }
            .category-banner .banner-subtitle {
                font-size: 1rem;
            }
            .category-banner .banner-stats-row {
                gap: 24px;
            }
            .category-banner .banner-stat-num {
                font-size: 1.5rem;
            }
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .feature-list-block {
                padding: 24px 20px;
            }
            .feature-item-row {
                flex-direction: column;
                gap: 12px;
            }
            .card-custom .card-body-custom {
                padding: 16px 18px 16px;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .category-banner h1 {
                font-size: 1.6rem;
            }
            .category-banner .banner-stats-row {
                gap: 16px;
            }
            .category-banner .banner-stat-num {
                font-size: 1.3rem;
            }
            .category-banner .banner-stat-label {
                font-size: 0.8rem;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .process-step-card {
                padding: 22px 18px 20px;
            }
            .btn-cta-primary,
            .btn-outline-light-custom {
                padding: 12px 26px;
                font-size: 0.95rem;
            }
            .site-footer {
                padding: 40px 0 0;
            }
        }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #1a3c6e;
            --primary-light: #2b5ea7;
            --primary-dark: #0f2557;
            --accent: #f0a030;
            --accent-light: #f7c56e;
            --accent-dark: #c47a1a;
            --dark: #111827;
            --dark-soft: #1f2937;
            --gray-900: #212529;
            --gray-700: #495057;
            --gray-600: #6c757d;
            --gray-500: #adb5bd;
            --gray-400: #ced4da;
            --gray-300: #dee2e6;
            --gray-200: #e9ecef;
            --gray-100: #f8f9fa;
            --gray-50: #fafbfc;
            --white: #ffffff;
            --success: #10b981;
            --danger: #ef4444;
            --warning: #f59e0b;
            --info: #3b82f6;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --radius-2xl: 24px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 6px rgba(0,0,0,0.06);
            --shadow: 0 4px 14px rgba(0,0,0,0.08);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 14px 36px rgba(0,0,0,0.12);
            --shadow-xl: 0 20px 48px rgba(0,0,0,0.15);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
        }

        /* ========== Reset & Base ========== */
        *, *::before, *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--dark);
            background-color: var(--gray-50);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        button, input, select, textarea {
            font-family: inherit;
        }
        :focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* ========== 容器 ========== */
        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 1400px) {
            .container-custom {
                max-width: 1280px;
            }
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--white);
            height: var(--header-height);
            border-bottom: 1px solid var(--gray-200);
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 16px;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--primary-dark) !important;
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: opacity var(--transition-fast);
        }
        .navbar-brand-custom:hover {
            opacity: 0.85;
            color: var(--primary-dark) !important;
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-links-wrapper {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
        }
        .nav-links-wrapper .nav-item {
            list-style: none;
        }
        .nav-links-wrapper .nav-link {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--gray-700);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links-wrapper .nav-link:hover {
            color: var(--primary);
            background-color: rgba(26,60,110,0.05);
        }
        .nav-links-wrapper .nav-link.active {
            color: var(--primary);
            background-color: rgba(26,60,110,0.08);
            font-weight: 600;
        }
        .nav-links-wrapper .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2.5px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-right-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-search-input {
            width: 190px;
            height: 40px;
            padding: 8px 36px 8px 14px;
            border: 1.5px solid var(--gray-300);
            border-radius: 20px;
            font-size: 0.9rem;
            color: var(--dark);
            background: var(--gray-50);
            transition: all var(--transition-fast);
            outline: none;
        }
        .nav-search-input:focus {
            border-color: var(--primary-light);
            background: var(--white);
            box-shadow: 0 0 0 3px rgba(26,60,110,0.08);
            width: 230px;
        }
        .nav-search-input::placeholder {
            color: var(--gray-500);
        }
        .nav-search-icon {
            position: absolute;
            right: 14px;
            color: var(--gray-500);
            font-size: 0.9rem;
            pointer-events: none;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
            color: #fff;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-xs);
        }
        .btn-nav-cta:hover {
            background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }
        .btn-nav-cta:active {
            transform: translateY(0);
            box-shadow: var(--shadow-xs);
        }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1.5px solid var(--gray-300);
            border-radius: var(--radius);
            padding: 8px 12px;
            font-size: 1.3rem;
            color: var(--gray-700);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: var(--gray-100);
            border-color: var(--gray-400);
        }

        /* ========== 页面Banner ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 40%, var(--primary-light) 100%);
            padding: 60px 0 56px;
            overflow: hidden;
            color: #fff;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--gray-50) 0%, transparent 100%);
            z-index: 1;
        }
        .page-banner .container-custom {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.75);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: rgba(255,255,255,0.85);
            transition: color var(--transition-fast);
        }
        .breadcrumb-custom a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .breadcrumb-custom .separator {
            color: rgba(255,255,255,0.5);
            font-size: 0.8rem;
        }
        .breadcrumb-custom .current {
            color: #fff;
            font-weight: 500;
        }
        .page-banner-title {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .page-banner-desc {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.85);
            max-width: 700px;
            line-height: 1.7;
        }
        .banner-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .banner-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            color: rgba(255,255,255,0.9);
        }
        .banner-stat-item i {
            font-size: 1.3rem;
            color: var(--accent-light);
        }
        .banner-stat-item strong {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-right: 2px;
        }

        /* ========== 板块通用 ========== */
        .section-spacing {
            padding: 64px 0;
        }
        .section-spacing-sm {
            padding: 48px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--gray-600);
            max-width: 560px;
            margin: 0 auto;
        }
        .section-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-tag.accent-tag {
            background: rgba(240,160,48,0.12);
            color: var(--accent-dark);
        }
        .section-tag.primary-tag {
            background: rgba(26,60,110,0.08);
            color: var(--primary);
        }

        /* ========== 卡片 ========== */
        .card-custom {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--gray-200);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-xs);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--gray-300);
        }
        .card-custom .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--gray-200);
        }
        .card-custom .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-custom:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .card-custom .card-body-custom {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-custom .card-title-custom {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .card-custom .card-text-custom {
            font-size: 0.9rem;
            color: var(--gray-600);
            line-height: 1.6;
            flex: 1;
        }
        .card-custom .card-meta {
            font-size: 0.8rem;
            color: var(--gray-500);
            margin-top: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .card-badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .card-badge.hot {
            background: #fef2f2;
            color: #dc2626;
        }
        .card-badge.new {
            background: #ecfdf5;
            color: #059669;
        }
        .card-badge.live {
            background: #eff6ff;
            color: #2563eb;
        }

        /* ========== 统计条 ========== */
        .stats-bar {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--gray-200);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            box-shadow: var(--shadow-xs);
        }
        .stats-bar .stat-item {
            text-align: center;
            padding: 0 16px;
            position: relative;
        }
        .stats-bar .stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 15%;
            height: 70%;
            width: 1px;
            background: var(--gray-200);
        }
        .stats-bar .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stats-bar .stat-number .accent-num {
            color: var(--accent);
        }
        .stats-bar .stat-label {
            font-size: 0.9rem;
            color: var(--gray-600);
            margin-top: 4px;
            font-weight: 500;
        }
        .stats-bar .stat-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 6px;
        }

        /* ========== 资讯列表 ========== */
        .news-list-item {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--gray-200);
            transition: all var(--transition-fast);
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item:hover {
            background: rgba(26,60,110,0.02);
            margin: 0 -12px;
            padding-left: 12px;
            padding-right: 12px;
            border-radius: var(--radius);
        }
        .news-list-img {
            width: 180px;
            min-width: 180px;
            height: 120px;
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--gray-200);
            flex-shrink: 0;
        }
        .news-list-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-list-item:hover .news-list-img img {
            transform: scale(1.05);
        }
        .news-list-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }
        .news-list-content h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-list-content h3 a {
            color: var(--dark);
            transition: color var(--transition-fast);
        }
        .news-list-content h3 a:hover {
            color: var(--primary-light);
        }
        .news-list-content p {
            font-size: 0.9rem;
            color: var(--gray-600);
            margin-bottom: 6px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-content .news-date {
            font-size: 0.82rem;
            color: var(--gray-500);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== 排名表格 ========== */
        .ranking-table-wrap {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--gray-200);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
        }
        .ranking-table {
            width: 100%;
            border-collapse: collapse;
        }
        .ranking-table thead th {
            background: var(--gray-100);
            padding: 14px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--gray-700);
            text-align: left;
            border-bottom: 2px solid var(--gray-300);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .ranking-table tbody td {
            padding: 13px 16px;
            font-size: 0.93rem;
            color: var(--dark);
            border-bottom: 1px solid var(--gray-100);
            vertical-align: middle;
        }
        .ranking-table tbody tr {
            transition: background var(--transition-fast);
        }
        .ranking-table tbody tr:hover {
            background: rgba(26,60,110,0.03);
        }
        .ranking-table tbody tr:last-child td {
            border-bottom: none;
        }
        .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .rank-badge.top1 {
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            color: #fff;
        }
        .rank-badge.top2 {
            background: linear-gradient(135deg, #c0c0c0, #9ca3af);
            color: #fff;
        }
        .rank-badge.top3 {
            background: linear-gradient(135deg, #d4a574, #b87333);
            color: #fff;
        }
        .rank-badge.normal {
            background: var(--gray-200);
            color: var(--gray-700);
        }
        .trend-icon {
            font-size: 0.9rem;
        }
        .trend-icon.up {
            color: #10b981;
        }
        .trend-icon.down {
            color: #ef4444;
        }
        .trend-icon.stable {
            color: #6b7280;
        }

        /* ========== FAQ Accordion 覆盖 ========== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--gray-200);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--white);
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition-fast);
        }
        .accordion-custom .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--dark);
            background: var(--white);
            padding: 16px 20px;
            border-radius: var(--radius) !important;
            box-shadow: none !important;
            transition: all var(--transition-fast);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(26,60,110,0.04);
            border-bottom: 1px solid var(--gray-200);
            border-radius: var(--radius) var(--radius) 0 0 !important;
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26,60,110,0.1) !important;
        }
        .accordion-custom .accordion-button::after {
            background-size: 1.1rem;
            transition: transform var(--transition-fast);
        }
        .accordion-custom .accordion-body {
            padding: 18px 20px;
            font-size: 0.93rem;
            color: var(--gray-700);
            line-height: 1.7;
            background: var(--white);
        }

        /* ========== CTA ========== */
        .cta-section-custom {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section-custom::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.06) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section-custom h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section-custom p {
            font-size: 1rem;
            color: rgba(255,255,255,0.85);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 28px;
            font-size: 1.05rem;
            font-weight: 700;
            background: var(--accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-md);
            position: relative;
            z-index: 1;
        }
        .btn-cta-lg:hover {
            background: var(--accent-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-cta-lg:active {
            transform: translateY(0);
            box-shadow: var(--shadow);
        }
        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 24px;
            border-radius: 28px;
            font-size: 0.95rem;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.5);
            cursor: pointer;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
        }
        .btn-outline-white:hover {
            background: rgba(255,255,255,0.1);
            border-color: #fff;
            color: #fff;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark-soft);
            color: #cbd5e1;
            padding: 48px 0 24px;
            margin-top: 64px;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #94a3b8;
            margin-bottom: 0;
        }
        .footer-links-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .footer-links li {
            margin-bottom: 7px;
        }
        .footer-links li a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 32px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .nav-search-input {
                width: 140px;
            }
            .nav-search-input:focus {
                width: 170px;
            }
            .nav-links-wrapper .nav-link {
                padding: 8px 10px;
                font-size: 0.88rem;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.85rem;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
                padding: 24px 20px;
            }
            .stats-bar .stat-item:not(:last-child)::after {
                display: none;
            }
            .stats-bar .stat-item:nth-child(odd)::after {
                content: '';
                position: absolute;
                right: 0;
                top: 15%;
                height: 70%;
                width: 1px;
                background: var(--gray-200);
            }
            .page-banner-title {
                font-size: 2rem;
            }
            .news-list-img {
                width: 140px;
                min-width: 140px;
                height: 100px;
            }
            .banner-stats-row {
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .navbar-toggler-custom {
                display: block;
            }
            .nav-links-wrapper {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: var(--white);
                border-bottom: 2px solid var(--gray-200);
                box-shadow: var(--shadow-md);
                padding: 12px 0;
                z-index: 1049;
                gap: 2px;
            }
            .nav-links-wrapper.show {
                display: flex;
            }
            .nav-links-wrapper .nav-link {
                padding: 12px 20px;
                border-radius: 0;
                font-size: 1rem;
                width: 100%;
            }
            .nav-links-wrapper .nav-link.active::after {
                display: none;
            }
            .nav-links-wrapper .nav-link.active {
                background: rgba(26,60,110,0.06);
                border-left: 3px solid var(--primary);
            }
            .nav-right-group {
                gap: 6px;
            }
            .nav-search-wrap {
                display: none;
            }
            .btn-nav-cta {
                padding: 7px 12px;
                font-size: 0.82rem;
                gap: 4px;
            }
            .navbar-brand-custom {
                font-size: 1rem;
            }
            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.95rem;
            }
            .page-banner {
                padding: 40px 0 36px;
            }
            .page-banner-title {
                font-size: 1.6rem;
            }
            .page-banner-desc {
                font-size: 0.95rem;
            }
            .banner-stats-row {
                gap: 12px;
                flex-direction: column;
            }
            .section-spacing {
                padding: 40px 0;
            }
            .section-spacing-sm {
                padding: 32px 0;
            }
            .section-header h2 {
                font-size: 1.45rem;
            }
            .news-list-item {
                flex-direction: column;
                gap: 10px;
            }
            .news-list-img {
                width: 100%;
                min-width: 100%;
                height: 180px;
            }
            .news-list-item:hover {
                margin: 0;
                padding: 18px 0;
                border-radius: 0;
            }
            .ranking-table thead {
                display: none;
            }
            .ranking-table tbody td {
                display: block;
                padding: 10px 14px;
                text-align: right;
                position: relative;
                padding-left: 50%;
            }
            .ranking-table tbody td::before {
                content: attr(data-label);
                position: absolute;
                left: 14px;
                font-weight: 600;
                color: var(--gray-700);
                font-size: 0.82rem;
                text-align: left;
            }
            .ranking-table tbody tr {
                display: block;
                border-bottom: 1px solid var(--gray-200);
                padding: 6px 0;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 18px 14px;
            }
            .stats-bar .stat-number {
                font-size: 1.5rem;
            }
            .stats-bar .stat-label {
                font-size: 0.8rem;
            }
            .cta-section-custom {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section-custom h2 {
                font-size: 1.35rem;
            }
            .btn-cta-lg {
                padding: 11px 22px;
                font-size: 0.95rem;
            }
            .card-custom .card-body-custom {
                padding: 14px 16px 16px;
            }
            .card-custom .card-title-custom {
                font-size: 0.95rem;
            }
            .banner-stat-item {
                font-size: 0.85rem;
            }
            .banner-stat-item strong {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .navbar-brand-custom {
                font-size: 0.9rem;
                gap: 5px;
            }
            .brand-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }
            .btn-nav-cta {
                padding: 6px 10px;
                font-size: 0.78rem;
            }
            .page-banner-title {
                font-size: 1.35rem;
            }
            .page-banner-desc {
                font-size: 0.88rem;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stats-bar .stat-item:nth-child(odd)::after {
                display: none;
            }
            .section-header h2 {
                font-size: 1.25rem;
            }
            .cta-section-custom {
                padding: 24px 16px;
            }
            .cta-section-custom h2 {
                font-size: 1.2rem;
            }
            .btn-cta-lg {
                padding: 10px 18px;
                font-size: 0.9rem;
                border-radius: 24px;
            }
            .btn-outline-white {
                padding: 9px 16px;
                font-size: 0.85rem;
            }
            .banner-stats-row {
                gap: 8px;
            }
        }