/* roulang page: index */
:root {
            --color-primary: #1e3a56;
            --color-primary-dark: #152a40;
            --color-primary-light: #2a4f73;
            --color-gold: #c99a30;
            --color-gold-light: #dfb04e;
            --color-gold-dark: #8a5f24;
            --color-accent: #28a55d;
            --color-bg: #f9fafb;
            --color-surface: #ffffff;
            --color-text: #1a1a2e;
            --color-text-weak: #6b7280;
            --color-text-muted: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --radius-sm: 0.5rem;
            --radius: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 72px;
        }

        *,
        *::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", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }
        button:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 640px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.25rem;
            height: 100%;
        }
        @media (min-width: 640px) {
            .header-inner {
                padding: 0 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 2rem;
            }
        }

        .nav-left,
        .nav-right {
            display: none;
            align-items: center;
            gap: 0.25rem;
            flex: 1;
        }
        @media (min-width: 1024px) {
            .nav-left,
            .nav-right {
                display: flex;
            }
            .nav-left {
                justify-content: flex-end;
                padding-right: 0.75rem;
            }
            .nav-right {
                justify-content: flex-start;
                padding-left: 0.75rem;
            }
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.85rem;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-weak);
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(30, 58, 86, 0.05);
        }
        .nav-link.active {
            color: var(--color-gold-dark);
            font-weight: 600;
            background: rgba(201, 154, 48, 0.08);
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            flex-shrink: 0;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .logo-link:hover {
            color: var(--color-primary-light);
        }
        .logo-icon {
            width: 2rem;
            height: 2rem;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        /* Mobile menu toggle */
        .menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 2.5rem;
            height: 2.5rem;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid var(--color-border);
            cursor: pointer;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            z-index: 1001;
        }
        .menu-toggle:hover {
            background: var(--color-border-light);
        }
        @media (min-width: 1024px) {
            .menu-toggle {
                display: none;
            }
        }
        .menu-toggle span {
            display: block;
            width: 1.25rem;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            position: relative;
            transition: all var(--transition-fast);
        }
        .menu-toggle span::before,
        .menu-toggle span::after {
            content: '';
            display: block;
            width: 1.25rem;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            position: absolute;
            left: 0;
            transition: all var(--transition-fast);
        }
        .menu-toggle span::before {
            top: -6px;
        }
        .menu-toggle span::after {
            top: 6px;
        }
        .menu-toggle.open span {
            background: transparent;
        }
        .menu-toggle.open span::before {
            top: 0;
            transform: rotate(45deg);
        }
        .menu-toggle.open span::after {
            top: 0;
            transform: rotate(-45deg);
        }

        /* Mobile nav overlay */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            flex-direction: column;
            padding: 1.5rem 1.25rem;
            gap: 0.5rem;
            overflow-y: auto;
            border-top: 1px solid var(--color-border-light);
        }
        .mobile-nav.open {
            display: flex;
        }
        @media (min-width: 1024px) {
            .mobile-nav {
                display: none !important;
            }
        }
        .mobile-nav .nav-link {
            font-size: 1.05rem;
            padding: 0.75rem 1rem;
            border-radius: var(--radius);
            width: 100%;
            justify-content: flex-start;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #0f1e2f 0%, #1e3a56 35%, #152a40 70%, #0a141f 100%);
            overflow: hidden;
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }
        .hero-overlay-pattern {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(201, 154, 48, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(40, 165, 93, 0.05) 0%, transparent 50%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 4rem 0;
            color: #ffffff;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 2rem;
            padding: 0.4rem 1rem;
            font-size: 0.85rem;
            color: #f9efd8;
            margin-bottom: 1.25rem;
            letter-spacing: 0.02em;
            backdrop-filter: blur(4px);
        }
        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 1rem 0;
            letter-spacing: 0.02em;
            color: #ffffff;
        }
        .hero-title .gold-highlight {
            color: #dfb04e;
            position: relative;
        }
        .hero-desc {
            font-size: 1.05rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            margin: 0 0 1.75rem 0;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.6rem;
            border-radius: 2.5rem;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, #dfb04e 0%, #c99a30 100%);
            color: #1a1a2e;
            box-shadow: 0 4px 16px rgba(201, 154, 48, 0.35);
        }
        .btn-primary:hover {
            box-shadow: 0 8px 28px rgba(201, 154, 48, 0.5);
            transform: translateY(-2px);
            color: #1a1a2e;
        }
        .btn-outline {
            background: transparent;
            color: #ffffff;
            border: 1.5px solid rgba(255, 255, 255, 0.45);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
            transform: translateY(-2px);
            color: #ffffff;
        }
        .btn-sm {
            padding: 0.45rem 1.1rem;
            font-size: 0.85rem;
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(40, 165, 93, 0.3);
        }
        .btn-accent:hover {
            box-shadow: 0 8px 24px rgba(40, 165, 93, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        @media (max-width: 767px) {
            .hero-section {
                min-height: 480px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.9rem;
                line-height: 1.7;
            }
            .hero-content {
                padding: 2.5rem 0;
            }
            .btn {
                padding: 0.6rem 1.3rem;
                font-size: 0.875rem;
            }
        }

        /* Section spacing */
        .section {
            padding: 3.5rem 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 5rem 0;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        @media (min-width: 768px) {
            .section-header {
                margin-bottom: 3.5rem;
            }
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-gold-dark);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 0.75rem 0;
            letter-spacing: 0.02em;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 2.15rem;
            }
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-weak);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* Stats Cards */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
        @media (min-width: 640px) {
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.25rem;
            }
        }
        @media (min-width: 1024px) {
            .stats-grid {
                gap: 1.5rem;
            }
        }
        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.25rem;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 0.35rem;
        }
        @media (min-width: 768px) {
            .stat-number {
                font-size: 2.5rem;
            }
        }
        .stat-number .gold-plus {
            color: var(--color-gold);
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            font-weight: 500;
        }

        /* Advantage Cards */
        .cards-grid-3 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 640px) {
            .cards-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .cards-grid-3 {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
            }
        }
        .cards-grid-4 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 640px) {
            .cards-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .cards-grid-4 {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.5rem;
            }
        }
        .advantage-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
            text-align: center;
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-gold);
        }
        .advantage-icon {
            width: 3rem;
            height: 3rem;
            border-radius: var(--radius);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, rgba(30, 58, 86, 0.08) 0%, rgba(30, 58, 86, 0.14) 100%);
            color: var(--color-primary);
        }
        .advantage-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 0.5rem 0;
            color: var(--color-text);
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.65;
        }

        /* Category Cards */
        .category-card {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
            aspect-ratio: 3 / 2;
            display: flex;
            align-items: flex-end;
            cursor: pointer;
            text-decoration: none;
            color: #fff;
            min-height: 220px;
        }
        .category-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-5px);
        }
        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
            transition: transform var(--transition-slow);
        }
        .category-card:hover img {
            transform: scale(1.06);
        }
        .category-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 30, 47, 0.85) 0%, rgba(15, 30, 47, 0.3) 50%, rgba(15, 30, 47, 0.05) 100%);
            z-index: 1;
        }
        .category-card-body {
            position: relative;
            z-index: 2;
            padding: 1.5rem;
            width: 100%;
        }
        .category-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 0.3rem 0;
            color: #fff;
        }
        .category-card-body p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.78);
            margin: 0;
            line-height: 1.5;
        }

        /* Story Section */
        .story-section {
            background: var(--color-surface);
            position: relative;
            overflow: hidden;
        }
        .story-bg-img {
            position: absolute;
            right: -5%;
            top: 50%;
            transform: translateY(-50%);
            width: 45%;
            max-width: 550px;
            border-radius: var(--radius-2xl);
            opacity: 0.9;
            box-shadow: var(--shadow-xl);
            display: none;
            z-index: 1;
        }
        @media (min-width: 1024px) {
            .story-bg-img {
                display: block;
            }
        }
        .story-content {
            position: relative;
            z-index: 2;
        }
        @media (min-width: 1024px) {
            .story-content {
                max-width: 52%;
            }
        }
        .story-content p {
            font-size: 0.95rem;
            line-height: 1.85;
            color: var(--color-text-weak);
            margin: 0 0 1rem 0;
        }
        .story-content p:last-child {
            margin-bottom: 0;
        }

        /* Match Cards */
        .match-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }
        @media (min-width: 768px) {
            .match-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
        }
        @media (min-width: 1024px) {
            .match-list {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
            }
        }
        .match-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }
        .match-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .match-card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .match-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .match-card:hover .match-card-img-wrap img {
            transform: scale(1.05);
        }
        .match-card-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: var(--color-gold);
            color: #1a1a2e;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.7rem;
            border-radius: 1rem;
            letter-spacing: 0.03em;
        }
        .match-card-body {
            padding: 1.25rem;
        }
        .match-card-body h3 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 0.4rem 0;
            color: var(--color-text);
        }
        .match-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin: 0 0 0.75rem 0;
            line-height: 1.5;
        }
        .match-card-meta {
            display: flex;
            gap: 1rem;
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.25rem;
        }
        @media (min-width: 768px) {
            .testimonial-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
            }
        }
        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .testimonial-stars {
            color: #f0b90b;
            font-size: 0.9rem;
            letter-spacing: 0.05em;
            margin-bottom: 0.75rem;
        }
        .testimonial-card p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.7;
            margin: 0 0 1rem 0;
            font-style: italic;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
        }
        .testimonial-avatar {
            width: 2.4rem;
            height: 2.4rem;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
        }

        /* Partners */
        .partners-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 2rem 2.5rem;
            padding: 1.5rem 0;
        }
        .partner-item {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-muted);
            letter-spacing: 0.03em;
            transition: color var(--transition-fast);
        }
        .partner-item:hover {
            color: var(--color-text);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-gold);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.1rem 1.5rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            background: transparent;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 1.2rem;
            color: var(--color-gold);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 1.5rem 1.2rem;
            font-size: 0.875rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        /* News */
        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
        }
        @media (min-width: 768px) {
            .news-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
        }
        @media (min-width: 1024px) {
            .news-list {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
            }
        }
        .news-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .news-card-img-wrap {
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .news-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-card:hover .news-card-img-wrap img {
            transform: scale(1.05);
        }
        .news-card-body {
            padding: 1.25rem;
        }
        .news-card-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 0.4rem;
        }
        .news-card-body h3 {
            font-size: 0.95rem;
            font-weight: 700;
            margin: 0 0 0.4rem 0;
            color: var(--color-text);
            line-height: 1.4;
        }
        .news-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin: 0 0 0.75rem 0;
            line-height: 1.5;
        }
        .news-card-body .read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-gold-dark);
            transition: color var(--transition-fast);
        }
        .news-card-body .read-more:hover {
            color: var(--color-gold);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(160deg, #1e3a56 0%, #152a40 50%, #0f1e2f 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(201, 154, 48, 0.1) 0%, transparent 60%);
        }
        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin: 0 0 1rem 0;
        }
        @media (min-width: 768px) {
            .cta-content h2 {
                font-size: 2.15rem;
            }
        }
        .cta-content p {
            color: rgba(255, 255, 255, 0.78);
            margin: 0 0 1.75rem 0;
            font-size: 1rem;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: #0f1e2f;
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 1.5rem;
            font-size: 0.875rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr 1fr;
                gap: 2.5rem;
            }
        }
        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer-desc {
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 0.75rem 0;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }
        .footer-col ul li a:hover {
            color: #dfb04e;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.25rem;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* Divider */
        .divider {
            border: none;
            border-top: 1px solid var(--color-border-light);
            margin: 0;
        }

        /* Background alternate */
        .bg-surface {
            background: var(--color-surface);
        }
        .bg-light {
            background: #f8f9fb;
        }

/* roulang page: category4 */
:root {
            --color-primary: #0f2137;
            --color-primary-light: #1a3555;
            --color-accent: #c9a050;
            --color-accent-light: #d9b870;
            --color-accent-dark: #a88030;
            --color-bg: #ffffff;
            --color-bg-alt: #f6f7f9;
            --color-bg-dark: #0a1828;
            --color-text: #1a1a2e;
            --color-text-secondary: #4a5568;
            --color-text-muted: #718096;
            --color-text-light: #a0aec0;
            --color-border: #e2e8f0;
            --color-border-light: #edf2f7;
            --color-success: #38a169;
            --color-warning: #d69e2e;
            --color-danger: #e53e3e;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 56px;
            --spacing-2xl: 80px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

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

        ul {
            list-style: none;
        }

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

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-normal);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            height: 100%;
            gap: var(--spacing-sm);
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(15, 33, 55, 0.04);
        }

        .nav-link.active {
            color: var(--color-accent-dark);
            font-weight: 600;
            background: rgba(201, 160, 80, 0.07);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .logo-link:hover {
            color: var(--color-accent-dark);
            background: rgba(201, 160, 80, 0.05);
        }

        .logo-icon {
            font-size: 1.6rem;
            line-height: 1;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 38px;
            height: 38px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: transparent;
            transition: background var(--transition-fast);
            z-index: 1001;
            flex-shrink: 0;
        }

        .menu-toggle span {
            display: block;
            width: 22px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-normal);
            transform-origin: center;
        }

        .menu-toggle.open span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .menu-toggle.open span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        .menu-toggle:hover {
            background: rgba(15, 33, 55, 0.06);
        }

        /* ========== MAIN ========== */
        main {
            flex: 1;
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
            min-height: 340px;
            display: flex;
            align-items: center;
            isolation: isolate;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg,
                    rgba(10, 24, 40, 0.88) 0%,
                    rgba(15, 33, 55, 0.78) 40%,
                    rgba(26, 53, 85, 0.65) 100%);
            z-index: 1;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, rgba(255, 255, 255, 0.06) 0%, transparent 100%);
            z-index: 1;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #ffffff;
            max-width: 780px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .banner-badge {
            display: inline-block;
            background: rgba(201, 160, 80, 0.2);
            border: 1px solid rgba(201, 160, 80, 0.45);
            color: var(--color-accent-light);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: var(--spacing-md);
        }

        .banner-content h1 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: var(--spacing-sm);
            line-height: 1.25;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .banner-content .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 600px;
            margin: 0 auto;
            text-shadow: 0 1px 6px rgba(0, 0, 0, 0.25);
        }

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

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

        .section-dark {
            background: var(--color-bg-dark);
            color: #ffffff;
        }

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

        .section-header h2 {
            font-size: clamp(1.5rem, 2.5vw, 1.9rem);
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.015em;
            margin-bottom: var(--spacing-xs);
        }

        .section-dark .section-header h2 {
            color: #ffffff;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.85rem;
            color: var(--color-accent-dark);
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-xs);
        }

        .section-dark .section-header .section-tag {
            color: var(--color-accent-light);
        }

        .section-header .section-desc {
            color: var(--color-text-muted);
            font-size: 1rem;
            max-width: 560px;
            margin: var(--spacing-xs) auto 0;
            line-height: 1.6;
        }

        .section-dark .section-header .section-desc {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .stat-card {
            background: #ffffff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            opacity: 0;
            transition: opacity var(--transition-normal);
        }

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

        .stat-card:hover::before {
            opacity: 1;
        }

        .stat-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: var(--spacing-sm);
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 4px;
            font-weight: 500;
        }

        /* ========== LEAGUE CARDS GRID ========== */
        .league-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

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

        .league-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent-light);
        }

        .league-card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

        .league-card:hover .league-card-image {
            transform: scale(1.04);
        }

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

        .league-card-badge {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            background: rgba(201, 160, 80, 0.1);
            color: var(--color-accent-dark);
            letter-spacing: 0.03em;
            align-self: flex-start;
        }

        .league-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.01em;
        }

        .league-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
        }

        .league-card-stats {
            display: flex;
            gap: var(--spacing-sm);
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            font-weight: 500;
            flex-wrap: wrap;
        }

        .league-card-stats span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .league-card-stats i {
            color: var(--color-accent);
            font-size: 0.8rem;
        }

        /* ========== FEATURE BLOCKS ========== */
        .feature-blocks {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }

        .feature-block {
            display: flex;
            gap: var(--spacing-md);
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-normal);
            align-items: flex-start;
        }

        .feature-block:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }

        .feature-block-icon {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(201, 160, 80, 0.12), rgba(201, 160, 80, 0.04));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-accent-dark);
        }

        .feature-block-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .feature-block-content p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ========== INFO LIST ========== */
        .info-list-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .info-list-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            height: 380px;
            object-fit: cover;
            width: 100%;
        }

        .info-list-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: var(--spacing-sm);
        }

        .info-list-content .info-list-desc {
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
        }

        .info-list-items {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .info-list-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 16px;
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
        }

        .info-list-item:hover {
            border-left-color: var(--color-accent);
            background: #ffffff;
            box-shadow: var(--shadow-sm);
        }

        .info-list-item i {
            color: var(--color-accent);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .info-list-item span {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            font-weight: 500;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

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

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: transparent;
            transition: background var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .faq-question:hover {
            background: rgba(15, 33, 55, 0.03);
        }

        .faq-question i {
            color: var(--color-accent);
            transition: transform var(--transition-normal);
            font-size: 0.9rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 20px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 60%, #1e4570 100%);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: rgba(201, 160, 80, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 120px;
            height: 120px;
            background: rgba(201, 160, 80, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h3 {
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: var(--spacing-xs);
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--spacing-md);
            position: relative;
            z-index: 1;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-weight: 600;
            border-radius: 50px;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-normal);
            cursor: pointer;
            position: relative;
            z-index: 1;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #ffffff;
            border: 2px solid var(--color-accent);
            box-shadow: 0 4px 16px rgba(201, 160, 80, 0.3);
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            border-color: var(--color-accent-light);
            box-shadow: 0 6px 24px rgba(201, 160, 80, 0.4);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

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

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.9rem;
            border-radius: 50px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: all var(--transition-fast);
        }

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

        .btn-outline-accent:hover {
            background: var(--color-accent);
            color: #ffffff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }

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

        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li {
            font-size: 0.9rem;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-md);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 0.02em;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .league-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-blocks {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .info-list-section {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .info-list-image {
                height: 260px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 0;
            }

            .nav-left,
            .nav-right {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: var(--spacing-sm) var(--spacing-md);
                gap: 2px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }

            .nav-left.open,
            .nav-right.open {
                display: flex;
            }

            .nav-right {
                top: calc(var(--header-height) + 180px);
            }

            .nav-right.open {
                top: calc(var(--header-height) + 180px);
            }

            .menu-toggle {
                display: flex;
            }

            .logo-link {
                font-size: 1.1rem;
                gap: 6px;
            }
            .logo-icon {
                font-size: 1.35rem;
            }

            .league-cards-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .page-banner {
                min-height: 260px;
                padding: var(--spacing-xl) 0 var(--spacing-lg);
            }
            .banner-content h1 {
                font-size: 1.6rem;
            }
            .banner-content .banner-subtitle {
                font-size: 0.95rem;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .cta-section {
                padding: var(--spacing-lg) var(--spacing-md);
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .feature-block {
                flex-direction: column;
                gap: var(--spacing-sm);
            }
            .info-list-image {
                height: 220px;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .league-cards-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .stat-card {
                padding: var(--spacing-md) var(--spacing-sm);
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .banner-content h1 {
                font-size: 1.4rem;
            }
            .page-banner {
                min-height: 220px;
                padding: var(--spacing-lg) 0;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 var(--spacing-sm);
            }
            .info-list-section {
                gap: var(--spacing-sm);
            }
            .info-list-image {
                height: 190px;
                border-radius: var(--radius-md);
            }
            .feature-blocks {
                gap: var(--spacing-sm);
            }
            .feature-block {
                padding: var(--spacing-md);
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0f1f3d;
            --color-primary-light: #1a3359;
            --color-accent: #c8963e;
            --color-accent-hover: #b08535;
            --color-accent-light: #f5ecd7;
            --color-bg: #ffffff;
            --color-bg-alt: #f6f7f9;
            --color-bg-dark: #0b1628;
            --color-text: #1e293b;
            --color-text-soft: #64748b;
            --color-text-light: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-white: #ffffff;
            --color-success: #10b981;
            --color-danger: #ef4444;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-accent: 0 6px 20px rgba(200, 150, 62, 0.25);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --max-width: 1200px;
            --header-height: 68px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

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

        @media (min-width: 1200px) {
            .container {
                padding: 0 var(--spacing-xl);
            }
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: var(--transition);
        }

        .header-inner {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing);
            position: relative;
        }

        @media (min-width: 768px) {
            .header-inner {
                padding: 0 var(--spacing-lg);
                gap: var(--spacing-md);
            }
        }

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

        .nav-left,
        .nav-right {
            display: none;
            align-items: center;
            gap: var(--spacing-xs);
        }

        @media (min-width: 1024px) {
            .nav-left,
            .nav-right {
                display: flex;
                gap: var(--spacing-sm);
                flex: 0 0 auto;
            }
            .nav-left {
                justify-content: flex-end;
                min-width: 280px;
            }
            .nav-right {
                justify-content: flex-start;
                min-width: 280px;
            }
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.85rem;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-soft);
            text-decoration: none;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.02em;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: var(--color-border-light);
        }
        .nav-link.active {
            color: var(--color-accent);
            font-weight: 600;
            background: var(--color-accent-light);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
        }
        .nav-link:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        /* Logo */
        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            text-decoration: none;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 1.3rem;
            letter-spacing: 0.03em;
            flex-shrink: 0;
            z-index: 1001;
            transition: var(--transition);
        }
        .logo-link:hover {
            color: var(--color-accent);
        }
        .logo-icon {
            font-size: 1.5rem;
            line-height: 1;
        }

        /* Mobile Toggle */
        .menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: none;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            cursor: pointer;
            padding: 0;
            z-index: 1001;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            position: relative;
            transition: var(--transition);
        }
        .menu-toggle span::before,
        .menu-toggle span::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            left: 0;
            transition: var(--transition);
        }
        .menu-toggle span::before {
            top: -7px;
        }
        .menu-toggle span::after {
            top: 7px;
        }
        .menu-toggle:hover {
            background: var(--color-border-light);
            border-color: var(--color-accent);
        }
        .menu-toggle[aria-expanded="true"] span {
            background: transparent;
        }
        .menu-toggle[aria-expanded="true"] span::before {
            top: 0;
            transform: rotate(45deg);
        }
        .menu-toggle[aria-expanded="true"] span::after {
            top: 0;
            transform: rotate(-45deg);
        }

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

        /* Mobile Nav Panel */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 999;
            flex-direction: column;
            padding: var(--spacing-lg) var(--spacing-md);
            gap: var(--spacing-sm);
            overflow-y: auto;
            border-top: 1px solid var(--color-border);
        }
        .mobile-nav-panel.is-open {
            display: flex;
        }
        .mobile-nav-panel .nav-link {
            font-size: 1.1rem;
            padding: 0.75rem 1rem;
            border-radius: var(--radius);
            width: 100%;
            justify-content: center;
            border-bottom: 1px solid var(--color-border-light);
        }
        .mobile-nav-panel .nav-link.active {
            background: var(--color-accent-light);
            color: var(--color-accent);
            font-weight: 600;
        }

        @media (min-width: 1024px) {
            .mobile-nav-panel {
                display: none !important;
            }
        }

        /* Main */
        main {
            flex: 1;
        }

        /* Category Hero */
        .cat-hero {
            position: relative;
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            z-index: 0;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 31, 61, 0.88) 0%, rgba(15, 31, 61, 0.72) 100%);
            z-index: 1;
        }
        .cat-hero .container {
            position: relative;
            z-index: 2;
        }
        .cat-hero-content {
            max-width: 720px;
        }
        .cat-breadcrumb {
            display: flex;
            gap: 0.4rem;
            align-items: center;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }
        .cat-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            transition: var(--transition);
        }
        .cat-breadcrumb a:hover {
            color: var(--color-accent);
        }
        .cat-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.45);
        }
        .cat-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-white);
            letter-spacing: 0.04em;
            line-height: 1.25;
            margin-bottom: var(--spacing);
        }
        .cat-hero .cat-hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.75;
            max-width: 600px;
            margin-bottom: var(--spacing-md);
        }
        .cat-hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            margin-top: var(--spacing-md);
        }
        .cat-stat-item {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
        .cat-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
        }
        .cat-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.3rem;
        }

        @media (max-width: 768px) {
            .cat-hero {
                min-height: 300px;
                padding: var(--spacing-xl) 0 var(--spacing-lg);
            }
            .cat-hero h1 {
                font-size: 1.8rem;
            }
            .cat-hero .cat-hero-desc {
                font-size: 1rem;
            }
            .cat-stat-num {
                font-size: 1.5rem;
            }
            .cat-hero-stats {
                gap: var(--spacing-md);
            }
        }

        /* Section */
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            background: var(--color-accent-light);
            padding: 0.3rem 0.85rem;
            border-radius: 20px;
            margin-bottom: var(--spacing-sm);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            margin-top: var(--spacing-xs);
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--spacing-lg) 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        @media (min-width: 640px) {
            .card-grid-2 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .card-grid-3 {
                grid-template-columns: repeat(3, 1fr);
            }
            .card-grid-4 {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        /* Feature Card */
        .feature-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }
        .feature-card-img-wrap {
            position: relative;
            width: 100%;
            padding-top: 56%;
            overflow: hidden;
            background: var(--color-bg-alt);
        }
        .feature-card-img-wrap img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .feature-card:hover .feature-card-img-wrap img {
            transform: scale(1.06);
        }
        .feature-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.65rem;
            border-radius: 4px;
            letter-spacing: 0.04em;
            z-index: 2;
        }
        .feature-card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .feature-card-league {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .feature-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            margin: 0;
        }
        .feature-card-meta {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            display: flex;
            gap: var(--spacing);
            flex-wrap: wrap;
        }
        .feature-card-desc {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            flex: 1;
        }
        .feature-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: auto;
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--color-border-light);
        }
        .feature-card-rating {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 0.9rem;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.65rem 1.4rem;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius);
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: var(--transition);
            letter-spacing: 0.02em;
            white-space: nowrap;
            font-family: inherit;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: var(--shadow-accent);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-border);
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-light);
        }
        .btn-sm {
            padding: 0.45rem 0.9rem;
            font-size: 0.825rem;
            border-radius: var(--radius-sm);
        }
        .btn-lg {
            padding: 0.85rem 2rem;
            font-size: 1.05rem;
            border-radius: var(--radius);
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        /* League Filter Pills */
        .league-filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
            margin-bottom: var(--spacing-lg);
        }
        .league-pill {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.5rem 1.1rem;
            font-size: 0.875rem;
            font-weight: 500;
            border-radius: 24px;
            border: 1.5px solid var(--color-border);
            background: var(--color-white);
            color: var(--color-text-soft);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .league-pill:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-light);
        }
        .league-pill.active-pill {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 600;
        }

        /* Data Row */
        .data-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        @media (min-width: 768px) {
            .data-row {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .data-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .data-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .data-card-icon {
            font-size: 2.2rem;
            margin-bottom: var(--spacing-sm);
            display: block;
        }
        .data-card-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 0.3rem;
        }
        .data-card-num .accent {
            color: var(--color-accent);
        }
        .data-card-label {
            font-size: 0.875rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        /* Analyst highlight */
        .analyst-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow);
            border-left: 4px solid var(--color-accent);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            height: 100%;
        }
        .analyst-card:hover {
            box-shadow: var(--shadow-md);
        }
        .analyst-name {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
        }
        .analyst-role {
            font-size: 0.8rem;
            color: var(--color-accent);
            font-weight: 600;
            letter-spacing: 0.04em;
        }
        .analyst-quote {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.65;
            font-style: italic;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .faq-q {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: var(--spacing-md);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing);
            font-family: inherit;
            letter-spacing: 0.02em;
            transition: var(--transition);
        }
        .faq-q:hover {
            color: var(--color-accent);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            transition: var(--transition);
            color: var(--color-text-soft);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            background: var(--color-accent);
            color: #fff;
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 var(--spacing-md);
            font-size: 0.925rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }
        .faq-item.open .faq-a {
            max-height: 400px;
            padding: 0 var(--spacing-md) var(--spacing-md);
        }

        /* CTA */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
            padding: var(--spacing-xl) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 260px;
            height: 260px;
            background: rgba(200, 150, 62, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -70px;
            width: 200px;
            height: 200px;
            background: rgba(200, 150, 62, 0.1);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--spacing-lg);
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
            }
        }
        .footer-brand-name {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.875rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            font-size: 0.875rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        @media (max-width: 520px) {
            .cat-hero h1 {
                font-size: 1.5rem;
            }
            .cat-hero .cat-hero-desc {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .btn-lg {
                padding: 0.7rem 1.4rem;
                font-size: 0.95rem;
            }
            .data-card-num {
                font-size: 1.8rem;
            }
            .feature-card-title {
                font-size: 0.95rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1a3c5e;
            --primary-dark: #0f2840;
            --accent: #c8943e;
            --accent-light: #dab868;
            --bg-white: #ffffff;
            --bg-light: #f7f8fa;
            --bg-cream: #faf8f5;
            --text-dark: #1a1a1a;
            --text-body: #3a3a3a;
            --text-muted: #6b7280;
            --text-light: #8a8f9a;
            --border: #e5e7eb;
            --border-light: #f0f0f0;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.14);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --section-gap-sm: 56px;
        }

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

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
        }
        input {
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            position: relative;
        }
        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 0 0 auto;
        }
        .nav-left {
            justify-content: flex-start;
        }
        .nav-right {
            justify-content: flex-end;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            white-space: nowrap;
            transition: all var(--transition);
            position: relative;
            letter-spacing: 0.02em;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.05);
        }
        .nav-link.active {
            color: var(--accent);
            font-weight: 600;
            background: rgba(200, 148, 62, 0.08);
            box-shadow: inset 0 -2px 0 var(--accent);
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
            padding: 4px 8px;
            border-radius: 8px;
            transition: all var(--transition);
        }
        .logo-link:hover {
            color: var(--primary-dark);
            background: rgba(26, 60, 94, 0.04);
        }
        .logo-icon {
            font-size: 1.55rem;
            display: inline-flex;
            align-items: center;
        }
        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            background: transparent;
            border-radius: 8px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 8px;
            z-index: 1001;
            transition: background var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(26, 60, 94, 0.06);
        }
        .menu-toggle span,
        .menu-toggle::before,
        .menu-toggle::after {
            content: '';
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .menu-toggle.open span {
            opacity: 0;
        }
        .menu-toggle.open::before {
            transform: translateY(8px) rotate(45deg);
        }
        .menu-toggle.open::after {
            transform: translateY(-8px) rotate(-45deg);
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            z-index: 999;
            flex-direction: column;
            padding: 24px;
            gap: 4px;
            overflow-y: auto;
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        .mobile-nav-panel .nav-link {
            display: block;
            padding: 14px 20px;
            font-size: 1.05rem;
            border-radius: 10px;
            text-align: center;
        }

        /* Hero */
        .page-hero {
            position: relative;
            background: linear-gradient(170deg, #1a3c5e 0%, #0f2840 40%, #1a2f40 100%);
            color: #ffffff;
            padding: 72px 0 64px;
            overflow: hidden;
            text-align: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.18;
            z-index: 1;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--bg-white) 0%, transparent 100%);
            z-index: 2;
        }
        .page-hero .container {
            position: relative;
            z-index: 3;
        }
        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.13);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--accent-light);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .page-hero h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            color: #ffffff;
            line-height: 1.3;
        }
        .page-hero .hero-desc {
            font-size: 1.12rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.75;
        }
        .page-hero .hero-stats-row {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .page-hero .hero-stat {
            text-align: center;
        }
        .page-hero .hero-stat .stat-num {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent-light);
            letter-spacing: 0.03em;
            line-height: 1.1;
        }
        .page-hero .hero-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* Section */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-dark);
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto 44px;
            line-height: 1.65;
        }
        .section-header-left {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }
        .section-header-left .section-title {
            text-align: left;
            margin-bottom: 0;
        }
        .section-header-left .view-all {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--accent);
            white-space: nowrap;
            transition: color var(--transition);
        }
        .section-header-left .view-all:hover {
            color: var(--primary);
        }

        /* Cards */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .card-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .guide-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .guide-card .card-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: #eef1f5;
        }
        .guide-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .guide-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .guide-card .card-body {
            padding: 22px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .card-tag {
            display: inline-block;
            background: rgba(200, 148, 62, 0.1);
            color: var(--accent);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
            align-self: flex-start;
        }
        .guide-card h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
            letter-spacing: 0.02em;
        }
        .guide-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }
        .guide-card .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .guide-card .card-link:hover {
            gap: 10px;
            color: var(--accent);
        }

        /* Article list */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .article-item {
            display: flex;
            gap: 24px;
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 20px 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            align-items: center;
            box-shadow: var(--shadow-sm);
        }
        .article-item:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
            transform: translateY(-2px);
        }
        .article-item .article-img {
            width: 180px;
            height: 130px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: #eef1f5;
        }
        .article-item .article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .article-item:hover .article-img img {
            transform: scale(1.05);
        }
        .article-item .article-info h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .article-item .article-info .article-meta {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .article-item .article-info p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.55;
        }

        /* Stats block */
        .stats-block {
            background: linear-gradient(160deg, #1a3c5e 0%, #15304a 50%, #0f2840 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            color: #ffffff;
        }
        .stats-block .stat-item {
            text-align: center;
            padding: 8px;
        }
        .stats-block .stat-icon {
            font-size: 2rem;
            color: var(--accent-light);
            margin-bottom: 10px;
        }
        .stats-block .stat-value {
            font-size: 2.4rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            line-height: 1.1;
            color: #ffffff;
        }
        .stats-block .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* Tips block */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .tip-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .tip-card:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
            transform: translateY(-2px);
        }
        .tip-card .tip-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(200, 148, 62, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.3rem;
            color: var(--accent);
        }
        .tip-card .tip-content h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .tip-card .tip-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            letter-spacing: 0.02em;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.75;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, #faf8f5 0%, #f3efe8 50%, #faf8f5 100%);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            border: 1px solid var(--border-light);
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.65;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
        }
        .btn-primary {
            background: var(--accent);
            color: #ffffff;
            border: 2px solid var(--accent);
            box-shadow: 0 4px 14px rgba(200, 148, 62, 0.3);
        }
        .btn-primary:hover {
            background: #b87e2e;
            border-color: #b87e2e;
            box-shadow: 0 6px 22px rgba(200, 148, 62, 0.4);
            transform: translateY(-2px);
            color: #ffffff;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #ffffff;
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: #1a1f28;
            color: #c5c9d2;
            padding: 52px 0 28px;
            margin-top: var(--section-gap);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: #a0a5ae;
            line-height: 1.65;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: #a0a5ae;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-col ul li {
            font-size: 0.9rem;
            color: #a0a5ae;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #7a7f88;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-block {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
                padding: 36px 28px;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .article-item {
                flex-direction: column;
                align-items: stretch;
            }
            .article-item .article-img {
                width: 100%;
                height: 180px;
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .page-hero .hero-stats-row {
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-left,
            .nav-right {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .header-inner {
                justify-content: space-between;
            }
            .logo-link {
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid-3 {
                grid-template-columns: 1fr;
            }
            .card-grid-2 {
                grid-template-columns: 1fr;
            }
            .stats-block {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
                padding: 28px 20px;
            }
            .stats-block .stat-value {
                font-size: 1.8rem;
            }
            .page-hero {
                padding: 48px 0 44px;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero .hero-desc {
                font-size: 0.95rem;
            }
            .page-hero .hero-stats-row {
                gap: 20px;
            }
            .page-hero .hero-stat .stat-num {
                font-size: 1.6rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-sm {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 36px 20px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .tip-card {
                flex-direction: column;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 16px 18px;
            }
            .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.88rem;
            }
            .guide-card .card-img-wrap {
                height: 160px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 56px;
                padding: 0 16px;
            }
            .logo-link {
                font-size: 1.1rem;
                gap: 6px;
            }
            .logo-icon {
                font-size: 1.25rem;
            }
            .mobile-nav-panel {
                top: 56px;
                padding: 16px;
            }
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .page-hero .hero-desc {
                font-size: 0.88rem;
            }
            .page-hero .hero-stats-row {
                gap: 14px;
            }
            .page-hero .hero-stat .stat-num {
                font-size: 1.35rem;
            }
            .stats-block {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 24px 16px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .btn {
                padding: 10px 22px;
                font-size: 0.88rem;
            }
            .container {
                padding: 0 16px;
            }
            .guide-card .card-body {
                padding: 16px 14px 18px;
            }
            .article-item {
                padding: 14px 16px;
            }
            .article-item .article-img {
                height: 140px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1a3c5e;
            --primary-light: #1e4d7a;
            --accent: #c9973b;
            --accent-light: #d4a84b;
            --accent-dark: #a67c2e;
            --bg: #f8f9fb;
            --bg-white: #ffffff;
            --bg-dark: #0f2137;
            --bg-card: #ffffff;
            --text: #1a1f2b;
            --text-soft: #4a5568;
            --text-muted: #6b7280;
            --text-light: #a0aec0;
            --border: #e2e8f0;
            --border-light: #edf2f7;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --transition: 0.22s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --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: var(--font-sans);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
        }

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

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

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

        input {
            font-family: inherit;
            font-size: inherit;
        }

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            position: relative;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .nav-left {
            flex: 0 0 auto;
        }
        .nav-right {
            flex: 0 0 auto;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: 8px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text-soft);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.05);
        }
        .nav-link:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 8px;
        }
        .nav-link.active {
            color: var(--accent-dark);
            background: rgba(201, 151, 59, 0.08);
            font-weight: 600;
            position: relative;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            flex-shrink: 0;
            transition: opacity var(--transition);
            white-space: nowrap;
        }
        .logo-link:hover {
            opacity: 0.85;
        }
        .logo-link:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 8px;
        }
        .logo-icon {
            font-size: 1.5rem;
            display: inline-block;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition);
            z-index: 1001;
        }
        .menu-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }
        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--text);
            border-radius: 3px;
            transition: all var(--transition);
        }
        .menu-toggle.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* ========== MOBILE NAV ========== */
        @media (max-width: 920px) {
            .nav-left,
            .nav-right {
                position: fixed;
                top: 0;
                flex-direction: column;
                background: #fff;
                padding: 90px 28px 32px;
                gap: 6px;
                box-shadow: var(--shadow-lg);
                z-index: 999;
                transition: transform 0.3s ease;
                min-width: 200px;
                border-radius: 0 0 16px 16px;
            }
            .nav-left {
                left: 0;
                transform: translateX(-105%);
            }
            .nav-right {
                right: 0;
                transform: translateX(105%);
            }
            .nav-left.open {
                transform: translateX(0);
            }
            .nav-right.open {
                transform: translateX(0);
            }
            .nav-link {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: 10px;
            }
            .menu-toggle {
                display: flex;
            }
            .logo-link {
                margin: 0 auto;
            }
            .header-inner {
                justify-content: space-between;
            }
        }

        @media (min-width: 921px) {
            .nav-left,
            .nav-right {
                position: static;
                flex-direction: row;
                background: transparent;
                padding: 0;
                box-shadow: none;
                transform: none !important;
                border-radius: 0;
            }
            .menu-toggle {
                display: none;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            padding: 72px 0 64px;
            background: var(--primary);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            overflow: hidden;
            color: #fff;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 33, 55, 0.88) 0%, rgba(26, 60, 94, 0.75) 60%, rgba(201, 151, 59, 0.35) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .page-banner h1 {
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-banner .banner-sub {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 640px;
            line-height: 1.7;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-alt {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .section-dark {
            background: var(--bg-dark);
            color: #fff;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 600px;
            line-height: 1.6;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header .section-title {
            margin-bottom: 8px;
        }
        .divider-accent {
            display: inline-block;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            margin-top: 8px;
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 28px 24px;
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--border);
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 18px;
            background: rgba(201, 151, 59, 0.1);
            color: var(--accent-dark);
            flex-shrink: 0;
        }
        .card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }
        .card p {
            font-size: 0.93rem;
            color: var(--text-soft);
            line-height: 1.65;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /* ========== STAT CARDS ========== */
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -1px;
            line-height: 1.1;
        }
        .stat-number .accent-dot {
            color: var(--accent);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
            font-weight: 500;
        }
        .stat-trend {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            margin-top: 8px;
        }
        .stat-trend.up {
            background: #e6f7ed;
            color: #1a7a3a;
        }
        .stat-trend.down {
            background: #fef2f2;
            color: #b91c1c;
        }

        /* ========== LIST ========== */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .content-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 18px;
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            font-size: 0.95rem;
            color: var(--text-soft);
            line-height: 1.6;
        }
        .content-list li:hover {
            border-color: var(--accent-light);
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .list-marker {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
            margin-top: 7px;
        }

        /* ========== REPORT CARDS ========== */
        .report-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition);
        }
        .report-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .report-card-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .report-card-img .tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            z-index: 1;
        }
        .report-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .report-card-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
            line-height: 1.4;
        }
        .report-card-body .report-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .report-card-body p {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.6;
            flex: 1;
        }
        .report-card-body .btn-sm {
            align-self: flex-start;
            margin-top: 12px;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 12px 26px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            letter-spacing: 0.2px;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(201, 151, 59, 0.3);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 20px rgba(201, 151, 59, 0.4);
            transform: translateY(-1px);
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--accent-light);
            outline-offset: 2px;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--border);
            color: var(--text);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            background: rgba(201, 151, 59, 0.04);
        }
        .btn-outline:focus-visible {
            outline: 3px solid var(--accent-light);
            outline-offset: 2px;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 20px;
            font-weight: 600;
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
        .btn-white:hover {
            box-shadow: var(--shadow);
            transform: translateY(-1px);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-q {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: transparent;
            cursor: pointer;
            transition: background var(--transition);
            border: none;
            font-family: inherit;
        }
        .faq-q:hover {
            background: rgba(201, 151, 59, 0.03);
        }
        .faq-q:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            border-radius: var(--radius);
        }
        .faq-arrow {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
            color: var(--text-muted);
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-a {
            max-height: 400px;
            padding: 0 20px 20px;
        }
        .faq-a p {
            font-size: 0.93rem;
            color: var(--text-soft);
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--primary);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            text-align: center;
            padding: 64px 0;
            color: #fff;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 33, 55, 0.85);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 1.85rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 48px 0 28px;
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .footer-col ul li,
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.82rem;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section {
                padding: 44px 0;
            }
            .section-sm {
                padding: 32px 0;
            }
            .page-banner {
                padding: 48px 0 40px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-sub {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .card {
                padding: 20px 16px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .page-banner h1 {
                font-size: 1.35rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
            .report-card-img {
                height: 150px;
            }
        }