/* roulang page: index */
:root {
            --color-brand-600: #1a3a5c;
            --color-brand-700: #152e4a;
            --color-brand-800: #102338;
            --color-gold-500: #c9942e;
            --color-gold-400: #d9a64d;
            --color-bg: #f8f9fb;
            --color-surface: #ffffff;
            --color-text: #1a1a2e;
            --color-text-muted: #6b7280;
            --color-border: #e5e7eb;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-nav: 0 2px 24px rgba(0, 0, 0, 0.07);
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
        }

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 20px;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            min-width: 0;
        }

        .nav-group-left {
            justify-content: flex-end;
        }

        .nav-group-right {
            justify-content: flex-start;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.925rem;
            font-weight: 500;
            color: #374151;
            white-space: nowrap;
            transition: all var(--transition-base);
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-link:hover {
            color: var(--color-brand-600);
            background: rgba(26, 58, 92, 0.04);
        }

        .nav-link.active {
            color: var(--color-brand-600);
            font-weight: 600;
            background: rgba(26, 58, 92, 0.06);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2.5px;
            background: var(--color-gold-500);
            border-radius: 2px;
        }

        .logo-wrap {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-brand-600);
            letter-spacing: 0.03em;
            cursor: pointer;
            transition: opacity var(--transition-base);
        }

        .logo-wrap:hover {
            opacity: 0.85;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-brand-600) 0%, var(--color-brand-700) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1rem;
            flex-shrink: 0;
        }

        /* Mobile menu toggle */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            width: 40px;
            height: 40px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 6px;
            cursor: pointer;
            z-index: 1001;
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-base);
        }

        .mobile-toggle:hover {
            background: rgba(26, 58, 92, 0.05);
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-brand-600);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .mobile-toggle.open span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }
        .mobile-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-toggle.open span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            flex-direction: column;
            padding: 16px 24px 40px;
            gap: 4px;
            overflow-y: auto;
            border-top: 1px solid var(--color-border);
            box-shadow: var(--shadow-elevated);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link {
            padding: 14px 18px;
            font-size: 1rem;
            border-radius: var(--radius-md);
            width: 100%;
            justify-content: flex-start;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-position: center 40%;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(16, 35, 56, 0.88) 0%, rgba(26, 58, 92, 0.78) 40%, rgba(16, 35, 56, 0.85) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 60px 0;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(201, 148, 46, 0.2);
            border: 1px solid rgba(201, 148, 46, 0.45);
            color: #f0d78c;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.875rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.25;
            margin-bottom: 16px;
            max-width: 700px;
        }

        .hero-title .gold-text {
            color: #f0d78c;
        }

        .hero-desc {
            font-size: 1.125rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin-bottom: 28px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 28px;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-gold-500);
            color: #1a1a2e;
            box-shadow: 0 4px 16px rgba(201, 148, 46, 0.3);
        }
        .btn-primary:hover {
            background: #d4a03a;
            box-shadow: 0 8px 28px rgba(201, 148, 46, 0.4);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.55);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-brand {
            background: transparent;
            border: 2px solid var(--color-brand-600);
            color: var(--color-brand-600);
        }
        .btn-outline-brand:hover {
            background: var(--color-brand-600);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 22px;
        }

        .btn-text {
            background: none;
            font-weight: 600;
            color: var(--color-brand-600);
            padding: 4px 4px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            border-bottom: 2px solid transparent;
            border-radius: 0;
            transition: all var(--transition-base);
        }
        .btn-text:hover {
            border-bottom-color: var(--color-brand-600);
            color: var(--color-brand-700);
        }

        /* Section */
        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-heading {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-gold-500);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-brand-800);
            letter-spacing: 0.02em;
            margin-bottom: 10px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 560px;
            margin: 0 auto;
        }

        /* Stats Cards */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-elevated);
            transform: translateY(-4px);
            border-color: #d0d5dd;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-brand-600);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }
        .stat-number .gold {
            color: var(--color-gold-500);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 6px;
        }

        /* Card grid */
        .card-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .card-grid-5 {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 18px;
        }

        .info-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            text-align: center;
        }
        .info-card:hover {
            box-shadow: var(--shadow-elevated);
            transform: translateY(-4px);
        }
        .info-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(26, 58, 92, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-brand-600);
            transition: all var(--transition-base);
        }
        .info-card:hover .info-card-icon {
            background: var(--color-brand-600);
            color: #fff;
        }
        .info-card-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-brand-700);
            margin-bottom: 8px;
        }
        .info-card-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* Category Card */
        .category-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            box-shadow: var(--shadow-elevated);
            transform: translateY(-5px);
        }
        .category-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            display: block;
        }
        .category-card-body {
            padding: 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .category-card-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-brand-700);
        }
        .category-card-desc {
            font-size: 0.825rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* Brand story */
        .brand-story-block {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
        }
        .brand-story-img {
            width: 100%;
            height: 100%;
            min-height: 360px;
            object-fit: cover;
            display: block;
        }
        .brand-story-text {
            padding: 32px 36px 32px 8px;
        }
        .brand-story-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-brand-700);
            margin-bottom: 14px;
        }
        .brand-story-text p {
            font-size: 0.95rem;
            color: #4b5563;
            line-height: 1.85;
            margin-bottom: 10px;
        }

        /* News card */
        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .news-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-elevated);
            transform: translateY(-3px);
        }
        .news-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .news-card-body {
            padding: 18px 16px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--color-gold-500);
            font-weight: 500;
        }
        .news-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-brand-700);
            line-height: 1.4;
        }
        .news-summary {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
        }
        .faq-item:hover {
            border-color: #cbd5e1;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            background: none;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-brand-700);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition-base);
            letter-spacing: 0.01em;
        }
        .faq-question:hover {
            color: var(--color-brand-600);
        }
        .faq-icon {
            flex-shrink: 0;
            font-size: 1.2rem;
            transition: transform var(--transition-base);
            color: var(--color-gold-500);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            font-size: 0.9rem;
            color: #4b5563;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-elevated);
        }
        .testimonial-stars {
            color: #f0c040;
            font-size: 0.9rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }
        .testimonial-text {
            font-size: 0.9rem;
            color: #4b5563;
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-author {
            font-weight: 700;
            font-size: 0.875rem;
            color: var(--color-brand-600);
        }

        /* CTA */
        .cta-section {
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: 56px 40px;
            text-align: center;
            color: #fff;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(16, 35, 56, 0.9) 0%, rgba(26, 58, 92, 0.82) 100%);
            z-index: 1;
            border-radius: var(--radius-lg);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
        }
        .cta-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Partner strip */
        .partner-strip {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 32px;
            padding: 20px 0;
        }
        .partner-item {
            font-size: 0.9rem;
            font-weight: 600;
            color: #9ca3af;
            letter-spacing: 0.04em;
            transition: color var(--transition-base);
            cursor: default;
        }
        .partner-item:hover {
            color: var(--color-brand-600);
        }

        /* Footer */
        .site-footer {
            background: var(--color-brand-800);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-col-title {
            font-weight: 600;
            font-size: 0.875rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            font-size: 0.825rem;
            color: rgba(255, 255, 255, 0.55);
            padding: 4px 0;
            transition: color var(--transition-base);
        }
        .footer-col a:hover {
            color: #f0d78c;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.02em;
        }

        /* Background accent blocks */
        .bg-light-accent {
            background: #f1f5f9;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-group {
                gap: 2px;
            }
            .nav-link {
                padding: 8px 11px;
                font-size: 0.85rem;
            }
            .logo-wrap {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .hero-title {
                font-size: 2.3rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-5 {
                grid-template-columns: repeat(3, 1fr);
            }
            .brand-story-block {
                grid-template-columns: 1fr;
            }
            .brand-story-img {
                min-height: 240px;
                max-height: 300px;
            }
            .brand-story-text {
                padding: 20px 24px 28px;
            }
            .news-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section {
                padding: 48px 0;
            }
        }

        @media (max-width: 768px) {
            .nav-container {
                height: 60px;
            }
            .nav-group {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .logo-wrap {
                font-size: 1.1rem;
            }
            .hero-section {
                min-height: 440px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-content {
                padding: 40px 0;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .card-grid-3,
            .card-grid-4,
            .card-grid-5 {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .news-list {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .brand-story-block {
                grid-template-columns: 1fr;
            }
            .brand-story-img {
                min-height: 200px;
                max-height: 250px;
            }
            .brand-story-text {
                padding: 16px 20px 24px;
            }
            .brand-story-text h3 {
                font-size: 1.25rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .cta-section {
                padding: 36px 20px;
            }
            .cta-title {
                font-size: 1.4rem;
            }
            .btn {
                padding: 10px 22px;
                font-size: 0.875rem;
            }
            .section {
                padding: 36px 0;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-desc {
                font-size: 0.875rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .card-grid-3,
            .card-grid-4,
            .card-grid-5 {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            .partner-strip {
                gap: 18px;
            }
            .category-card-img {
                height: 140px;
            }
            .news-card-img {
                height: 150px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1a3c5e;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --accent: #d4a843;
            --accent-light: #e8c97a;
            --accent-dark: #b8912f;
            --surface: #f8f9fb;
            --surface-alt: #eef1f6;
            --text-main: #1a1a2e;
            --text-soft: #5a6072;
            --text-muted: #8b91a0;
            --border-soft: #e2e6ee;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-card: 0 1px 4px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 28px rgba(0, 0, 0, 0.06);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.05);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            line-height: 1.7;
            background: #ffffff;
            color: var(--text-main);
            margin: 0;
            padding: 0;
            min-height: 100vh;
        }

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

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

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

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

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--border-soft);
            padding: 0;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 68px;
            gap: 0;
            position: relative;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-group-left {
            margin-right: auto;
        }

        .nav-group-right {
            margin-left: auto;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-soft);
            border-radius: 8px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.04);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(26, 60, 94, 0.06);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary);
            letter-spacing: 0.02em;
            flex-shrink: 0;
            padding: 4px 20px;
            transition: opacity var(--transition-fast);
        }

        .logo-wrap:hover {
            opacity: 0.85;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            border-radius: 10px;
            flex-shrink: 0;
            box-shadow: 0 2px 10px rgba(26, 60, 94, 0.2);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 110;
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 3px;
            transition: all var(--transition-smooth);
        }

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

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

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

        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-soft);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            flex-direction: column;
            padding: 16px 24px;
            gap: 4px;
            z-index: 99;
            animation: slideDown 0.3s ease;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu .nav-link {
            padding: 12px 16px;
            font-size: 1rem;
            border-radius: 10px;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Footer */
        .site-footer {
            background: #111827;
            color: #cbd5e0;
            padding: 56px 0 32px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #a0aec0;
            margin: 0;
            max-width: 300px;
        }

        .footer-col-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: #e2e8f0;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
            font-size: 0.8rem;
            opacity: 0.8;
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: #a0aec0;
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 0.85rem;
            color: #718096;
            line-height: 1.6;
        }

        /* Section common */
        .section-py {
            padding: 60px 0;
        }
        .section-py-lg {
            padding: 80px 0;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-soft);
            margin-bottom: 36px;
            font-weight: 400;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header .accent-line {
            display: inline-block;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            margin-bottom: 16px;
        }

        /* Cards */
        .card-base {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }
        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 600;
            border-radius: 10px;
            border: none;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-btn);
            letter-spacing: 0.02em;
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            border-radius: 10px;
            border: 2px solid var(--primary);
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            font-weight: 600;
            border-radius: 10px;
            border: none;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 2px 8px rgba(212, 168, 67, 0.3);
        }
        .btn-accent:hover {
            box-shadow: 0 4px 18px rgba(212, 168, 67, 0.45);
            transform: translateY(-1px);
        }

        /* Tag / Badge */
        .tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .tag-primary {
            background: rgba(26, 60, 94, 0.08);
            color: var(--primary);
        }
        .tag-accent {
            background: rgba(212, 168, 67, 0.12);
            color: var(--accent-dark);
        }
        .tag-green {
            background: rgba(34, 180, 120, 0.1);
            color: #1a8a5a;
        }

        /* Step timeline */
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 3px 12px rgba(26, 60, 94, 0.25);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-group-left .nav-link:nth-child(3),
            .nav-group-right .nav-link:nth-child(1) {
                display: none;
            }
            .nav-link {
                padding: 8px 10px;
                font-size: 0.85rem;
            }
            .logo-wrap {
                padding: 4px 10px;
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
                border-radius: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .nav-group {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-container {
                justify-content: flex-start;
                padding-left: 16px;
                height: 60px;
            }
            .logo-wrap {
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
                padding: 4px 0;
            }
            .section-py {
                padding: 36px 0;
            }
            .section-py-lg {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
            .container-custom {
                padding: 0 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-desc {
                max-width: 100%;
            }
            .btn-primary,
            .btn-accent,
            .btn-outline {
                padding: 11px 20px;
                font-size: 0.88rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1a3c5e;
            --primary-light: #2a5a8a;
            --accent: #c8963e;
            --accent-light: #e0b860;
            --surface: #f8f9fb;
            --surface-dark: #eef1f5;
            --muted: #7a8a9a;
            --text-main: #1e293b;
            --text-soft: #5a6b7c;
            --border-color: #e2e8f0;
            --radius-card: 1rem;
            --radius-btn: 0.6rem;
            --shadow-card: 0 2px 16px rgba(26, 60, 94, 0.07);
            --shadow-card-hover: 0 8px 32px rgba(26, 60, 94, 0.13);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 180ms ease;
            --transition-base: 260ms ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            line-height: 1.7;
            color: var(--text-main);
            background: #ffffff;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        input {
            font-family: inherit;
        }

        /* Container */
        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Site Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--border-color);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 4rem;
            gap: 1.5rem;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .nav-group-left {
            flex: 1;
            justify-content: flex-end;
            order: 1;
        }

        .nav-group-right {
            flex: 1;
            justify-content: flex-start;
            order: 3;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-soft);
            border-radius: 0.5rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.05);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.08);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 1.2rem;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
        }

        /* Logo */
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--primary);
            order: 2;
            flex-shrink: 0;
            text-decoration: none;
            letter-spacing: 0.02em;
            transition: opacity var(--transition-fast);
        }

        .logo-wrap:hover {
            opacity: 0.85;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.25rem;
            height: 2.25rem;
            background: var(--primary);
            color: #ffffff;
            border-radius: 0.55rem;
            font-size: 1rem;
            font-weight: 800;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        /* Mobile Toggle */
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 0.5rem;
            order: 4;
            z-index: 110;
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--text-main);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-toggle.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }

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

        .mobile-toggle.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #ffffff;
            border-top: 1px solid var(--border-color);
            padding: 0.75rem 1.5rem 1.25rem;
            gap: 0.3rem;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }

        .mobile-menu .nav-link {
            display: block;
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
            border-radius: 0.5rem;
        }

        .mobile-menu.open {
            display: flex;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background: url('assets/images/backpic/back-1.webp') center / cover no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 60, 94, 0.88) 0%, rgba(26, 60, 94, 0.72) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 3rem 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: #ffffff;
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.5);
        }

        /* Section */
        .section {
            padding: 3.5rem 0;
        }

        .section-sm {
            padding: 2.5rem 0;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-soft);
            margin-bottom: 2rem;
        }

        /* Stat Cards */
        .stat-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            padding: 1.5rem 1.25rem;
            box-shadow: var(--shadow-card);
            text-align: center;
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #d0d8e0;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-soft);
            margin-top: 0.4rem;
        }

        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .card-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .content-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #d0d8e0;
        }

        .content-card .card-img-wrap {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--surface-dark);
        }

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

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

        .content-card .card-body {
            padding: 1.25rem 1.2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card .card-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(200, 150, 62, 0.1);
            padding: 0.25rem 0.7rem;
            border-radius: 1rem;
            margin-bottom: 0.6rem;
            width: fit-content;
            letter-spacing: 0.02em;
        }

        .content-card .card-title {
            font-size: 1.1rem;
            font-weight: 650;
            color: var(--text-main);
            margin-bottom: 0.5rem;
            line-height: 1.5;
        }

        .content-card .card-desc {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.6;
            flex: 1;
        }

        /* Data Table */
        .data-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            background: #ffffff;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.925rem;
            min-width: 700px;
        }

        .data-table thead th {
            background: var(--primary);
            color: #ffffff;
            padding: 0.9rem 1rem;
            font-weight: 600;
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.02em;
            font-size: 0.875rem;
        }

        .data-table tbody td {
            padding: 0.8rem 1rem;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-main);
            white-space: nowrap;
        }

        .data-table tbody tr {
            transition: background var(--transition-fast);
        }

        .data-table tbody tr:hover {
            background: rgba(26, 60, 94, 0.03);
        }

        .data-table tbody tr:last-child td {
            border-bottom: none;
        }

        .badge-hot {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: #ffffff;
            background: #e05050;
            padding: 0.2rem 0.6rem;
            border-radius: 0.35rem;
            letter-spacing: 0.02em;
        }

        .badge-new {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: #ffffff;
            background: #3b82c4;
            padding: 0.2rem 0.6rem;
            border-radius: 0.35rem;
            letter-spacing: 0.02em;
        }

        /* CTA Button */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.8rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            background: var(--primary);
            border: none;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            box-shadow: var(--shadow-btn, 0 2px 8px rgba(26, 60, 94, 0.15));
            text-decoration: none;
        }

        .btn-primary:hover {
            background: var(--primary-light);
            box-shadow: 0 6px 20px rgba(26, 60, 94, 0.25);
            transform: translateY(-1px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: 2px solid var(--primary);
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            text-decoration: none;
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(26, 60, 94, 0.2);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
        }

        .faq-item:hover {
            border-color: #c8d4e0;
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.1rem 1.3rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            letter-spacing: 0.01em;
            transition: color var(--transition-fast);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 1.8rem;
            height: 1.8rem;
            border-radius: 50%;
            background: var(--surface-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            transition: all var(--transition-fast);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.3rem;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 1.3rem 1.1rem;
        }

        .faq-answer p {
            margin: 0;
            font-size: 0.925rem;
            color: var(--text-soft);
            line-height: 1.75;
        }

        /* Search Bar */
        .search-bar-wrap {
            display: flex;
            gap: 0.6rem;
            max-width: 620px;
            width: 100%;
        }

        .search-input {
            flex: 1;
            padding: 0.8rem 1.2rem;
            font-size: 0.95rem;
            border: 2px solid var(--border-color);
            border-radius: var(--radius-btn);
            outline: none;
            transition: all var(--transition-fast);
            background: #ffffff;
            color: var(--text-main);
        }

        .search-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 60, 94, 0.08);
        }

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

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #1e4d78 100%);
            border-radius: 1.25rem;
            padding: 2.5rem 2rem;
            text-align: center;
            color: #ffffff;
        }

        /* Site Footer */
        .site-footer {
            background: #1a2634;
            color: #c8d4e0;
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.7rem;
            letter-spacing: 0.02em;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: #b0bfcc;
            line-height: 1.7;
            margin: 0;
        }

        .footer-col-title {
            font-size: 0.95rem;
            font-weight: 650;
            color: #ffffff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 0.875rem;
            color: #b0bfcc;
            padding: 0.3rem 0;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.25rem;
            text-align: center;
            font-size: 0.825rem;
            color: #8a9aaa;
            line-height: 1.6;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-group {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-container {
                justify-content: space-between;
                gap: 0.5rem;
            }
            .logo-wrap {
                order: 2;
                margin: 0 auto;
            }
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .page-banner {
                min-height: 260px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid-3 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .section {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .page-banner {
                min-height: 220px;
            }
            .search-bar-wrap {
                flex-direction: column;
            }
            .cta-section {
                padding: 1.8rem 1.25rem;
            }
            .data-table {
                font-size: 0.8rem;
            }
            .container-custom {
                padding: 0 1rem;
            }
        }

        @media (max-width: 520px) {
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-card {
                padding: 1rem 0.8rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 0.65rem 1.2rem;
                font-size: 0.85rem;
            }
            .page-banner {
                min-height: 180px;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .logo-wrap {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 1.8rem;
                height: 1.8rem;
                font-size: 0.85rem;
                border-radius: 0.45rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0d2b45;
            --color-primary-light: #1a4465;
            --color-primary-dark: #081d2f;
            --color-accent: #d4a843;
            --color-accent-light: #e6c56e;
            --color-accent-dark: #b8912e;
            --color-surface: #f8f9fb;
            --color-surface-alt: #f0f2f5;
            --color-text-main: #1a1f2e;
            --color-text-soft: #5a6072;
            --color-text-muted: #8b919e;
            --color-border-light: #e2e6ed;
            --color-border-card: #e8ecf1;
            --radius-card: 1rem;
            --radius-btn: 0.6rem;
            --radius-badge: 2rem;
            --shadow-card: 0 1px 3px rgba(13, 43, 69, 0.06), 0 6px 16px rgba(13, 43, 69, 0.05);
            --shadow-card-hover: 0 2px 6px rgba(13, 43, 69, 0.10), 0 12px 28px rgba(13, 43, 69, 0.09);
            --transition-smooth: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", system-ui, sans-serif;
            line-height: 1.7;
            color: var(--color-text-main);
            background: #ffffff;
            min-height: 100vh;
        }

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

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

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

        input {
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1rem;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .nav-group-left {
            flex: 1;
            justify-content: flex-end;
            gap: 0.35rem;
        }

        .nav-group-right {
            flex: 1;
            justify-content: flex-start;
            gap: 0.35rem;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.85rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: var(--radius-btn);
            white-space: nowrap;
            transition: all var(--transition-smooth);
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: #f4f6f9;
        }

        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
            background: #eef3f8;
            box-shadow: inset 0 1px 0 rgba(13, 43, 69, 0.06);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px 3px 0 0;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-primary);
            flex-shrink: 0;
            padding: 0.3rem 0.6rem;
            border-radius: var(--radius-btn);
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
        }

        .logo-wrap:hover {
            background: #f4f6f9;
            color: var(--color-primary-dark);
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            color: #ffffff;
            border-radius: 0.6rem;
            font-size: 1rem;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 2px 6px rgba(13, 43, 69, 0.2);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 0.5rem;
            cursor: pointer;
            z-index: 110;
            border-radius: 0.4rem;
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .mobile-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
            width: 26px;
        }
        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .mobile-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
            width: 26px;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-mobile-menu);
            padding: 0.75rem 1.5rem 1.25rem;
            flex-direction: column;
            gap: 0.35rem;
            z-index: 99;
            max-height: calc(100vh - 64px);
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            width: 100%;
            padding: 0.7rem 1rem;
            font-size: 0.95rem;
            border-radius: 0.6rem;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary-dark);
            color: #c5ced6;
            padding: 3.5rem 0 1.5rem;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }
        .footer-desc {
            line-height: 1.7;
            color: #9aa3af;
            max-width: 320px;
        }
        .footer-col-title {
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 0.85rem;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            color: #9aa3af;
            padding: 0.28rem 0;
            transition: color var(--transition-smooth);
            font-size: 0.88rem;
        }
        .footer-col a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            text-align: center;
            color: #6b7583;
            font-size: 0.82rem;
            line-height: 1.7;
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: linear-gradient(170deg, #0d2b45 0%, #163a58 35%, #1a4465 70%, #0f3050 100%);
            min-height: 400px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.13;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, rgba(255, 255, 255, 0.03), transparent);
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 1;
            padding: 3.5rem 0;
        }

        /* Badge */
        .badge-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: rgba(212, 168, 67, 0.15);
            color: var(--color-accent-light);
            border: 1px solid rgba(212, 168, 67, 0.3);
            padding: 0.35rem 0.85rem;
            border-radius: var(--radius-badge);
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        /* Section titles */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 0.5rem;
        }
        .section-heading {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1.3;
        }
        .section-subheading {
            color: var(--color-text-soft);
            font-size: 1.05rem;
            line-height: 1.7;
            max-width: 640px;
        }

        /* Cards */
        .card-custom {
            background: #ffffff;
            border: 1px solid var(--color-border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #d5dbe3;
        }
        .card-custom-highlight {
            border-left: 4px solid var(--color-accent);
            background: #ffffff;
            border: 1px solid var(--color-border-card);
            border-left: 4px solid var(--color-accent);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }
        .card-custom-highlight:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--color-primary);
            color: #ffffff;
            padding: 0.7rem 1.6rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-btn);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-primary-light);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: transparent;
            color: var(--color-primary);
            padding: 0.65rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            border: 2px solid var(--color-primary);
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #ffffff;
            box-shadow: var(--shadow-btn-hover);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--color-accent);
            color: #1a1f2e;
            padding: 0.7rem 1.6rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 2px 8px rgba(180, 140, 50, 0.25);
            white-space: nowrap;
        }
        .btn-accent:hover {
            background: var(--color-accent-dark);
            color: #ffffff;
            box-shadow: 0 4px 16px rgba(180, 140, 50, 0.35);
            transform: translateY(-1px);
        }

        /* Stat cards */
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .stat-label {
            color: var(--color-text-soft);
            font-size: 0.88rem;
            font-weight: 500;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--color-border-card);
            border-radius: var(--radius-card);
            background: #ffffff;
            padding: 1.35rem 1.5rem;
            transition: all var(--transition-smooth);
            cursor: default;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #d0d6df;
        }
        .faq-q {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 1.05rem;
            margin-bottom: 0.4rem;
            letter-spacing: 0.01em;
        }
        .faq-a {
            color: var(--color-text-soft);
            line-height: 1.75;
            font-size: 0.94rem;
        }

        /* Report list */
        .report-item {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            padding: 1rem 1.25rem;
            border: 1px solid transparent;
            border-radius: var(--radius-card);
            transition: all var(--transition-smooth);
            background: #ffffff;
        }
        .report-item:hover {
            border-color: var(--color-border-card);
            box-shadow: var(--shadow-card);
            background: #fafbfc;
        }
        .report-date {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            background: var(--color-surface-alt);
            border-radius: 0.7rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.8rem;
            line-height: 1.2;
            text-align: center;
            border: 1px solid var(--color-border-light);
        }
        .report-date strong {
            font-size: 1.3rem;
            display: block;
            letter-spacing: -0.02em;
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(160deg, #0d2b45 0%, #143550 50%, #0d2b45 100%);
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-section);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-group {
                gap: 0.1rem;
            }
            .nav-link {
                padding: 0.4rem 0.6rem;
                font-size: 0.84rem;
            }
            .logo-wrap {
                font-size: 1.05rem;
                gap: 0.4rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
                border-radius: 0.5rem;
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
                gap: 1.5rem;
            }
            .section-heading {
                font-size: 1.7rem;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-group {
                display: none;
            }
            .nav-container {
                justify-content: space-between;
                height: 58px;
            }
            .logo-wrap {
                font-size: 1rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .mobile-toggle {
                display: flex;
            }
            .hero-section {
                min-height: 300px;
            }
            .hero-content {
                padding: 2.5rem 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .section-heading {
                font-size: 1.5rem;
            }
            .section-subheading {
                font-size: 0.95rem;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .report-item {
                flex-direction: column;
                gap: 0.6rem;
            }
            .report-date {
                flex-direction: row;
                width: auto;
                height: auto;
                padding: 0.35rem 0.75rem;
                gap: 0.3rem;
                font-size: 0.78rem;
                border-radius: 2rem;
            }
            .report-date strong {
                font-size: 1rem;
                display: inline;
            }
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .card-custom,
            .card-custom-highlight,
            .faq-item {
                border-radius: 0.8rem;
            }
            .cta-section {
                border-radius: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-desc {
                max-width: 100%;
            }
            .section-heading {
                font-size: 1.35rem;
            }
            .hero-section {
                min-height: 260px;
            }
            .hero-content {
                padding: 2rem 0;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .btn-primary,
            .btn-accent,
            .btn-outline {
                padding: 0.6rem 1.2rem;
                font-size: 0.88rem;
            }
            .faq-item {
                padding: 1rem 1.1rem;
            }
            .faq-q {
                font-size: 0.95rem;
            }
            .faq-a {
                font-size: 0.85rem;
            }
            .nav-container {
                height: 54px;
            }
            .mobile-menu {
                top: 54px;
            }
            .badge-accent {
                font-size: 0.75rem;
                padding: 0.3rem 0.7rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-brand: #d95f08;
            --color-brand-dark: #b4460a;
            --color-brand-light: #f5ba6d;
            --color-accent: #0c8de6;
            --color-accent-dark: #01599f;
            --color-warm: #f59e0b;
            --color-bg: #f9fafb;
            --color-surface: #ffffff;
            --color-text: #1a1a1f;
            --color-text-soft: #5a5d63;
            --color-text-muted: #8b8f96;
            --color-border: #e5e7eb;
            --color-border-light: #f0f1f3;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.07);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-nav: 0 1px 8px rgba(0, 0, 0, 0.06);
            --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
            --max-width: 1200px;
            --header-height: 68px;
        }

        *,
        *::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: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        input {
            font-family: inherit;
        }

        .container-custom {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-nav);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0;
            position: relative;
            width: 100%;
            height: 100%;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .nav-group-left {
            margin-right: auto;
        }

        .nav-group-right {
            margin-left: auto;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: #1a1a1f;
            white-space: nowrap;
            flex-shrink: 0;
            margin: 0 1.5rem;
            transition: opacity var(--transition-fast);
            text-decoration: none;
        }

        .logo-wrap:hover {
            opacity: 0.82;
            color: #1a1a1f;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #d95f08 0%, #b4460a 100%);
            color: #fff;
            border-radius: 10px;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.85rem;
            border-radius: 0.5rem;
            font-size: 0.92rem;
            font-weight: 500;
            color: #4a4d55;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .nav-link:hover {
            color: #d95f08;
            background: #fef7ee;
        }

        .nav-link.active {
            color: #d95f08;
            background: #fef7ee;
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2.5px;
            background: #d95f08;
            border-radius: 2px;
        }

        /* Mobile toggle */
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
            z-index: 110;
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: #f5f5f5;
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: #3a3d44;
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

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

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

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

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-soft);
            flex-direction: column;
            padding: 0.75rem 1.25rem;
            z-index: 99;
            gap: 0.25rem;
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
        }

        .mobile-menu.active {
            display: flex;
        }

        .mobile-menu .nav-link {
            display: block;
            padding: 0.7rem 1rem;
            border-radius: 0.5rem;
            font-size: 0.95rem;
            text-align: left;
        }

        /* Banner */
        .page-banner {
            position: relative;
            padding: 3rem 0;
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            min-height: 320px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 31, 0.78) 0%, rgba(26, 26, 31, 0.5) 40%, rgba(26, 26, 31, 0.72) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
        }

        /* Section */
        .section-padding {
            padding: 3.5rem 0;
        }

        .section-title {
            font-size: 1.65rem;
            font-weight: 700;
            color: #1a1a1f;
            margin-bottom: 0.35rem;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: #6b6f76;
            margin-bottom: 2rem;
            line-height: 1.6;
        }

        /* Card styles */
        .card-custom {
            background: #ffffff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
        }

        .card-custom:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #e0e2e7;
        }

        /* Lottery ball */
        .lottery-ball {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 1.15rem;
            color: #fff;
            flex-shrink: 0;
        }

        .lottery-ball.red {
            background: linear-gradient(135deg, #e53e3e, #c53030);
            box-shadow: 0 3px 10px rgba(229, 62, 62, 0.35);
        }

        .lottery-ball.blue {
            background: linear-gradient(135deg, #3182ce, #2b6cb0);
            box-shadow: 0 3px 10px rgba(49, 130, 206, 0.35);
        }

        .lottery-ball.gold {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            box-shadow: 0 3px 10px rgba(245, 158, 11, 0.35);
        }

        /* Tag */
        .tag-custom {
            display: inline-flex;
            align-items: center;
            padding: 0.3rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.01em;
        }

        .tag-hot {
            background: #fef2f2;
            color: #dc2626;
            border: 1px solid #fecaca;
        }

        .tag-new {
            background: #fef7ee;
            color: #d95f08;
            border: 1px solid #fde4c3;
        }

        .tag-info {
            background: #f0f7ff;
            color: #0c8de6;
            border: 1px solid #cfe4f9;
        }

        /* Button */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.7rem 1.6rem;
            border-radius: 2.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            background: linear-gradient(135deg, #d95f08 0%, #b4460a 100%);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 14px rgba(217, 95, 8, 0.3);
            text-decoration: none;
        }

        .btn-brand:hover {
            box-shadow: 0 6px 22px rgba(217, 95, 8, 0.42);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.65rem 1.5rem;
            border-radius: 2.5rem;
            font-weight: 600;
            font-size: 0.93rem;
            background: #fff;
            color: #d95f08;
            border: 1.5px solid #d95f08;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-decoration: none;
        }

        .btn-outline:hover {
            background: #fef7ee;
            border-color: #b4460a;
            color: #b4460a;
        }

        /* Footer */
        .site-footer {
            background: #1a1a1f;
            color: #c5c7cc;
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            color: #9ca0a8;
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: #e0e2e7;
            margin-bottom: 0.85rem;
            letter-spacing: 0.02em;
            text-transform: uppercase;
            font-size: 0.8rem;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: #9ca0a8;
            padding: 0.3rem 0;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col a:hover {
            color: #f5ba6d;
        }

        .footer-bottom {
            border-top: 1px solid #2a2a30;
            padding-top: 1.25rem;
            text-align: center;
            font-size: 0.8rem;
            color: #7a7d85;
            line-height: 1.6;
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in-up {
            animation: fadeInUp 0.55s ease forwards;
        }

        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-group {
                gap: 0;
            }
            .nav-link {
                padding: 0.4rem 0.6rem;
                font-size: 0.85rem;
            }
            .logo-wrap {
                font-size: 1.1rem;
                margin: 0 0.75rem;
            }
            .logo-icon {
                width: 33px;
                height: 33px;
                font-size: 0.95rem;
                border-radius: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .section-padding {
                padding: 2.5rem 0;
            }
            .page-banner {
                min-height: 260px;
                padding: 2rem 0;
            }
            .lottery-ball {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
        }

        @media (max-width: 768px) {
            .nav-group-left,
            .nav-group-right {
                display: none;
            }
            .mobile-toggle {
                display: flex;
                margin-left: auto;
            }
            .nav-container {
                justify-content: flex-start;
                gap: 0;
            }
            .logo-wrap {
                margin: 0;
            }
            .site-header {
                height: 60px;
            }
            :root {
                --header-height: 60px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.25rem;
            }
            .footer-desc {
                max-width: 100%;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .page-banner {
                min-height: 220px;
                padding: 1.5rem 0;
                text-align: center;
            }
            .section-padding {
                padding: 2rem 0;
            }
            .lottery-ball {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .footer-desc {
                max-width: 100%;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .section-subtitle {
                font-size: 0.85rem;
            }
            .btn-brand,
            .btn-outline {
                padding: 0.6rem 1.2rem;
                font-size: 0.85rem;
                border-radius: 2rem;
            }
            .page-banner {
                min-height: 190px;
                padding: 1.25rem 0;
            }
            .lottery-ball {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
            .card-custom {
                border-radius: var(--radius-lg);
            }
        }

        /* Focus accessibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid #d95f08;
            outline-offset: 2px;
            border-radius: 4px;
        }

        .nav-link:focus-visible {
            outline-offset: 0;
        }

/* roulang page: category5 */
:root {
            --brand-500: #1a3c5e;
            --brand-600: #15304d;
            --brand-700: #10253d;
            --brand-800: #0c1b2e;
            --gold-400: #d4a843;
            --gold-500: #c49632;
            --gold-600: #b08428;
            --warm-50: #fdfbf7;
            --warm-100: #faf5eb;
            --warm-200: #f5ebd6;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-muted: #7a7a90;
            --border-light: #e8e8f0;
            --bg-page: #f9fafb;
            --bg-card: #ffffff;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --transition-base: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-page);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        /* Container */
        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 1280px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-smooth);
        }

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

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1rem;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .nav-group-left {
            flex: 1;
            justify-content: flex-end;
        }

        .nav-group-right {
            flex: 1;
            justify-content: flex-start;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.85rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.02em;
        }

        .nav-link:hover {
            color: var(--brand-500);
            background: rgba(26, 60, 94, 0.04);
        }

        .nav-link.active {
            color: var(--brand-500);
            font-weight: 600;
            background: rgba(26, 60, 94, 0.06);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2.5px;
            background: var(--gold-500);
            border-radius: 2px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--brand-500);
            flex-shrink: 0;
            padding: 0.25rem 0.75rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-base);
            letter-spacing: 0.03em;
        }

        .logo-wrap:hover {
            background: rgba(26, 60, 94, 0.04);
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--brand-500) 0%, var(--brand-700) 100%);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 8px;
            flex-shrink: 0;
        }

        /* Mobile toggle */
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-base);
            z-index: 101;
        }

        .mobile-toggle:hover {
            background: rgba(26, 60, 94, 0.06);
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--brand-500);
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .mobile-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

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

        .mobile-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #fff;
            border-top: 1px solid var(--border-light);
            padding: 0.75rem 1.5rem 1.25rem;
            gap: 0.25rem;
            box-shadow: var(--shadow-md);
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            z-index: 99;
        }

        .mobile-menu.active {
            display: flex;
        }

        .mobile-menu .nav-link {
            padding: 0.7rem 1rem;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            width: 100%;
        }

        .mobile-menu .nav-link.active {
            background: rgba(26, 60, 94, 0.07);
        }

        /* Hero / Banner */
        .page-banner {
            position: relative;
            padding: 4rem 0 3.5rem;
            background: linear-gradient(170deg, #f0f4f8 0%, #e8eef5 30%, #f9fafb 100%);
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(26, 60, 94, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -100px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(196, 150, 50, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* Card styles */
        .card-article {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .card-article:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #d0d8e0;
        }

        .card-article .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #eef2f7;
        }

        .card-article .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        .card-article .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-block;
            padding: 0.25rem 0.65rem;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 20px;
            background: var(--brand-500);
            color: #fff;
            letter-spacing: 0.04em;
            z-index: 2;
        }

        .card-article .card-tag.tag-gold {
            background: var(--gold-500);
        }

        .card-article .card-body {
            padding: 1.25rem 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-article .card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.4rem;
        }

        .card-article .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 0.5rem;
            line-height: 1.4;
            transition: color var(--transition-base);
        }

        .card-article:hover .card-title {
            color: var(--brand-500);
        }

        .card-article .card-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0 0 1rem;
            flex: 1;
        }

        .card-article .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--brand-500);
            transition: gap var(--transition-base);
        }

        .card-article .card-link:hover {
            gap: 0.6rem;
        }

        /* Featured article */
        .featured-article {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
        }

        .featured-article:hover {
            box-shadow: var(--shadow-xl);
        }

        .featured-article .feat-img {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: #eef2f7;
        }

        .featured-article .feat-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .featured-article:hover .feat-img img {
            transform: scale(1.04);
        }

        .featured-article .feat-content {
            padding: 2rem 2rem 2rem 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        /* Section */
        .section-title-group {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .section-title-group .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--gold-600);
            background: rgba(196, 150, 50, 0.08);
            padding: 0.3rem 0.9rem;
            border-radius: 20px;
            margin-bottom: 0.75rem;
        }

        .section-title-group .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
            letter-spacing: 0.02em;
        }

        .section-title-group .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-top: 0.5rem;
        }

        /* Policy card */
        .policy-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.75rem;
            border-left: 4px solid var(--gold-500);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            border-top: 1px solid var(--border-light);
            border-right: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .policy-card:hover {
            box-shadow: var(--shadow-md);
            border-left-color: var(--brand-500);
        }

        /* Stat block */
        .stat-mini-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
        }

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

        .stat-mini-card .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-500);
            letter-spacing: -0.02em;
        }

        .stat-mini-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
        }

        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, var(--brand-500) 0%, var(--brand-700) 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -80px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-block .cta-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 0.75rem;
            position: relative;
            z-index: 1;
        }

        .cta-block .cta-desc {
            font-size: 0.95rem;
            opacity: 0.85;
            margin: 0 0 1.5rem;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 30px;
            background: #fff;
            color: var(--brand-500);
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
            letter-spacing: 0.02em;
        }

        .btn-cta:hover {
            background: var(--warm-100);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.65rem 1.6rem;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: 30px;
            border: 2px solid #fff;
            color: #fff;
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
            letter-spacing: 0.02em;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            background: var(--bg-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .faq-question {
            padding: 1.1rem 1.5rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-primary);
            font-size: 0.95rem;
            transition: color var(--transition-base);
            user-select: none;
        }

        .faq-question:hover {
            color: var(--brand-500);
        }

        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-question {
            color: var(--brand-500);
        }

        .faq-icon {
            font-size: 1.2rem;
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            margin-left: 0.75rem;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        /* Footer */
        .site-footer {
            background: var(--brand-800);
            color: #c8d6e5;
            padding: 3rem 0 0;
            margin-top: 4rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }

        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            opacity: 0.8;
            margin: 0;
        }

        .footer-col-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: #b0c4d8;
            padding: 0.3rem 0;
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            padding: 1.5rem 0;
            text-align: center;
            font-size: 0.8rem;
            opacity: 0.7;
        }

        .footer-bottom p {
            margin: 0;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-group {
                gap: 0;
            }
            .nav-link {
                padding: 0.5rem 0.6rem;
                font-size: 0.82rem;
            }
            .logo-wrap {
                font-size: 1.05rem;
                gap: 0.35rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
                border-radius: 6px;
            }
            .featured-article {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .featured-article .feat-content {
                padding: 1.5rem;
            }
            .featured-article .feat-img {
                aspect-ratio: 16 / 9;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-group-left,
            .nav-group-right {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-container {
                justify-content: space-between;
                height: 56px;
            }
            .logo-wrap {
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
            }
            .page-banner {
                padding: 2.5rem 0 2rem;
            }
            .section-title-group .section-title {
                font-size: 1.4rem;
            }
            .featured-article {
                grid-template-columns: 1fr;
            }
            .featured-article .feat-content {
                padding: 1.25rem;
            }
            .cta-block {
                padding: 2rem 1.5rem;
            }
            .cta-block .cta-title {
                font-size: 1.25rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .card-article .card-title {
                font-size: 0.95rem;
            }
            .stat-mini-card .stat-num {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .page-banner {
                padding: 2rem 0 1.5rem;
            }
            .section-title-group .section-title {
                font-size: 1.2rem;
            }
            .section-title-group .section-subtitle {
                font-size: 0.85rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .card-article .card-body {
                padding: 1rem;
            }
            .policy-card {
                padding: 1.25rem;
            }
            .cta-block {
                padding: 1.5rem 1rem;
                border-radius: var(--radius-lg);
            }
            .btn-cta,
            .btn-outline-light {
                padding: 0.6rem 1.4rem;
                font-size: 0.85rem;
            }
        }