/* roulang page: index */
:root {
            --color-primary: #0d1f3c;
            --color-primary-light: #152d54;
            --color-accent: #c8943e;
            --color-accent-light: #d4a855;
            --color-accent-dark: #a67a2e;
            --color-highlight: #2e9e5f;
            --color-surface: #f5f6f8;
            --color-text-main: #1a1a1a;
            --color-text-soft: #6b7280;
            --color-border-light: #e5e7eb;
            --radius-card: 0.875rem;
            --radius-btn: 0.5rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 28px rgba(0, 0, 0, 0.06);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.7;
            color: #1a1a1a;
            background-color: #ffffff;
            margin: 0;
            padding: 0;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* Container */
        .container-custom {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 768px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--color-border-light);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
        }
        .nav-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .nav-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary);
            color: #ffffff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            flex-wrap: nowrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links>li>a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-btn);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links>li>a:hover,
        .nav-links>li>a.nav-active {
            color: var(--color-primary);
            background-color: #f0f4f8;
        }
        .nav-links>li>a.nav-active {
            font-weight: 600;
            background-color: #e8eef5;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.3rem;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #ffffff;
            border: none;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            flex-shrink: 0;
            box-shadow: var(--shadow-card);
        }
        .nav-cta:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 4px 14px rgba(200, 148, 62, 0.35);
            color: #ffffff;
            transform: translateY(-1px);
        }
        .nav-hamburger {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            font-size: 1.5rem;
            color: var(--color-primary);
            line-height: 1;
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-nav);
            padding: 1rem 1.25rem;
            flex-direction: column;
            gap: 0.4rem;
            z-index: 99;
        }
        .mobile-menu a {
            display: block;
            padding: 0.7rem 1rem;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover,
        .mobile-menu a.nav-active {
            background-color: #f0f4f8;
            color: var(--color-primary);
            font-weight: 600;
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta-desktop {
                display: none;
            }
            .nav-hamburger {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .mobile-menu.open {
                display: flex;
            }
        }
        @media (min-width: 769px) {
            .mobile-menu {
                display: none !important;
            }
            .nav-hamburger {
                display: none;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 31, 60, 0.88) 0%, rgba(13, 31, 60, 0.72) 50%, rgba(13, 31, 60, 0.82) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 4rem 0;
            color: #ffffff;
        }
        .hero-badge {
            display: inline-block;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: 1.25rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin: 0 0 1rem 0;
            max-width: 700px;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin-bottom: 1.75rem;
        }
        .hero-desc {
            font-size: 1rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            margin-bottom: 2rem;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.7rem 1.6rem;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #ffffff;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 2px 8px rgba(200, 148, 62, 0.3);
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 4px 18px rgba(200, 148, 62, 0.4);
            transform: translateY(-2px);
            color: #ffffff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.7rem 1.6rem;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            font-weight: 600;
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 440px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
        }
        @media (max-width: 520px) {
            .hero-section {
                min-height: 380px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-btns {
                flex-direction: column;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

        /* Section */
        .section {
            padding: 4rem 0;
        }
        .section-sm {
            padding: 3rem 0;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            text-align: center;
            margin: 0 0 0.6rem 0;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-soft);
            text-align: center;
            max-width: 500px;
            margin: 0 auto 2.5rem auto;
            line-height: 1.6;
        }

        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .stat-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            padding: 1.8rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border: 1px solid var(--color-border-light);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .stat-number .accent {
            color: var(--color-accent);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin-top: 0.5rem;
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .stat-card {
                padding: 1.2rem 1rem;
            }
            .stat-number {
                font-size: 1.6rem;
            }
        }

        /* Category Cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            cursor: pointer;
            aspect-ratio: 3/3.6;
            display: flex;
            align-items: flex-end;
            background-size: cover;
            background-position: center;
            text-decoration: none;
        }
        .category-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .category-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(13, 31, 60, 0.9) 0%, rgba(13, 31, 60, 0.25) 60%, rgba(13, 31, 60, 0.05) 100%);
            z-index: 1;
        }
        .category-card-body {
            position: relative;
            z-index: 2;
            padding: 1.5rem;
            color: #ffffff;
            width: 100%;
        }
        .category-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 0.3rem 0;
            letter-spacing: -0.01em;
        }
        .category-card-body p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0;
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .category-card {
                aspect-ratio: 3/3.2;
            }
        }
        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
                gap: 0.75rem;
            }
            .category-card {
                aspect-ratio: 16/7;
            }
        }

        /* Advantage Cards */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .advantage-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            text-align: center;
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .advantage-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: #f0f4f8;
            color: var(--color-primary);
            font-size: 1.6rem;
            margin-bottom: 1rem;
        }
        .advantage-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 0.5rem 0;
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
        }
        @media (max-width: 520px) {
            .advantage-grid {
                grid-template-columns: 1fr;
                gap: 0.75rem;
            }
        }

        /* Brand Story */
        .brand-story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            background: var(--color-surface);
            border-radius: var(--radius-card);
            padding: 3rem;
        }
        .brand-story-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .brand-story-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .brand-story-text h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 1rem 0;
        }
        .brand-story-text p {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.8;
            margin: 0 0 0.8rem 0;
        }
        @media (max-width: 768px) {
            .brand-story-block {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                padding: 1.5rem;
            }
            .brand-story-text h2 {
                font-size: 1.3rem;
            }
        }

        /* Match cards */
        .match-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .match-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .match-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .match-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .match-card-body {
            padding: 1.25rem;
        }
        .match-card-tag {
            display: inline-block;
            padding: 0.2rem 0.7rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: #fef3c7;
            color: #b45309;
            margin-bottom: 0.6rem;
        }
        .match-card-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-main);
            margin: 0 0 0.4rem 0;
        }
        .match-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .match-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
        }
        @media (max-width: 520px) {
            .match-grid {
                grid-template-columns: 1fr;
                gap: 0.75rem;
            }
        }

        /* Partners */
        .partners-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        .partner-item {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text-muted);
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }
        .partner-item:hover {
            color: var(--color-primary);
        }

        /* Reviews */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .review-card {
            background: #ffffff;
            border-radius: var(--radius-card);
            padding: 1.8rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
        }
        .review-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: transparent;
        }
        .review-stars {
            color: #f59e0b;
            font-size: 1rem;
            letter-spacing: 0.1em;
            margin-bottom: 0.8rem;
        }
        .review-text {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin: 0 0 1rem 0;
            font-style: italic;
        }
        .review-author {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
        }
        @media (max-width: 768px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
        }
        @media (max-width: 520px) {
            .review-grid {
                grid-template-columns: 1fr;
                gap: 0.75rem;
            }
        }

        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .news-item {
            display: grid;
            grid-template-columns: auto 1fr auto;
            gap: 1.25rem;
            align-items: center;
            background: #ffffff;
            border-radius: var(--radius-card);
            padding: 1.25rem 1.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .news-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: transparent;
        }
        .news-date {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            white-space: nowrap;
            min-width: 80px;
        }
        .news-content h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-main);
            margin: 0 0 0.25rem 0;
        }
        .news-content p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.45rem 1rem;
            border-radius: var(--radius-btn);
            font-size: 0.8rem;
            font-weight: 600;
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-border-medium);
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }
        .news-btn:hover {
            border-color: var(--color-primary);
            background: #f0f4f8;
            color: var(--color-primary);
        }
        @media (max-width: 768px) {
            .news-item {
                grid-template-columns: 1fr;
                gap: 0.6rem;
                padding: 1rem;
            }
            .news-btn {
                justify-content: center;
                width: 100%;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: var(--color-border-medium);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 1.2rem 1.5rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            line-height: 1.5;
        }
        .faq-icon {
            font-size: 1.2rem;
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            color: var(--color-accent);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 1.5rem;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.5rem 1.2rem 1.5rem;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.75;
            margin: 0;
        }

        /* CTA */
        .cta-section {
            background: var(--color-primary);
            color: #ffffff;
            text-align: center;
            padding: 4rem 0;
            border-radius: var(--radius-card);
            margin: 2rem auto;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 0.8rem 0;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 1.5rem 0;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .cta-section {
                margin: 1rem;
                padding: 2.5rem 1.5rem;
                border-radius: 1rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 3rem 0 1.5rem 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.8rem;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #ffffff;
            margin: 0 0 1rem 0;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            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 {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
        }

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

        /* Background section highlight */
        .bg-surface {
            background-color: var(--color-surface);
        }

        /* Smooth transitions for all interactive */
        .transition-card {
            transition: all var(--transition-smooth);
        }

        /* Tag pill */
        .tag-pill {
            display: inline-block;
            padding: 0.2rem 0.7rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: #e8eef5;
            color: var(--color-primary);
        }

/* roulang page: category4 */
:root {
            --color-brand-700: #1a3d5f;
            --color-brand-800: #132d47;
            --color-brand-900: #0d1f33;
            --color-gold-500: #b8942f;
            --color-gold-600: #9e7d22;
            --color-text: #1a1a2e;
            --color-text-soft: #5a6070;
            --color-text-weak: #8b919e;
            --color-bg: #f8f9fb;
            --color-card: #ffffff;
            --color-border: #e5e8ed;
            --radius-card: 1rem;
            --radius-btn: 0.6rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.05), 0 4px 14px rgba(0, 0, 0, 0.035);
            --shadow-card-hover: 0 4px 10px rgba(0, 0, 0, 0.07), 0 10px 28px rgba(0, 0, 0, 0.05);
            --shadow-nav: 0 1px 2px rgba(0, 0, 0, 0.035), 0 3px 10px rgba(0, 0, 0, 0.025);
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            line-height: 1.65;
            background-color: #f8f9fb;
            color: #1a1a2e;
            min-height: 100vh;
        }

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

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

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

        /* ========== 容器 ========== */
        .container-custom {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-nav);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .nav-inner {
                height: 66px;
            }
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.45rem;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-brand-800);
            white-space: nowrap;
            letter-spacing: -0.01em;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-logo:hover {
            opacity: 0.82;
        }
        .logo-icon {
            font-size: 1.35rem;
            display: inline-block;
        }

        .nav-links {
            display: none;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 0.25rem;
            align-items: center;
        }

        @media (min-width: 900px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-links li a {
            display: block;
            padding: 0.5rem 0.85rem;
            border-radius: 0.5rem;
            font-size: 0.925rem;
            font-weight: 500;
            color: #3a4455;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--color-brand-700);
            background: #f1f5f9;
        }
        .nav-links li a.nav-active {
            color: var(--color-brand-700);
            font-weight: 600;
            background: #eef3f9;
            box-shadow: inset 0 0 0 1px rgba(26, 61, 95, 0.08);
        }

        .nav-cta-desktop {
            display: none;
            padding: 0.55rem 1.2rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--color-brand-700);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition-smooth);
            flex-shrink: 0;
            letter-spacing: 0.01em;
        }
        .nav-cta-desktop:hover {
            background: var(--color-brand-800);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(26, 61, 95, 0.25);
        }

        @media (min-width: 900px) {
            .nav-cta-desktop {
                display: inline-block;
            }
        }

        .nav-hamburger {
            display: block;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: #3a4455;
            padding: 0.35rem 0.5rem;
            border-radius: 0.4rem;
            transition: background var(--transition-fast);
            line-height: 1;
        }
        .nav-hamburger:hover {
            background: #f1f5f9;
        }

        @media (min-width: 900px) {
            .nav-hamburger {
                display: none;
            }
        }

        /* 移动菜单 */
        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #fff;
            border-top: 1px solid var(--color-border);
            padding: 0.75rem 1.25rem 1.25rem;
            gap: 0.3rem;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }
        .mobile-menu.is-open {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 0.7rem 0.9rem;
            border-radius: 0.55rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: #3a4455;
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover {
            background: #f1f5f9;
            color: var(--color-brand-700);
        }
        .mobile-menu a.nav-active {
            color: var(--color-brand-700);
            font-weight: 600;
            background: #eef3f9;
        }

        /* ========== 板块间距 ========== */
        .section {
            padding: 3rem 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 4rem 0;
            }
        }
        @media (min-width: 1024px) {
            .section {
                padding: 5rem 0;
            }
        }
        .section-sm {
            padding: 2rem 0;
        }
        @media (min-width: 768px) {
            .section-sm {
                padding: 2.5rem 0;
            }
        }

        /* ========== Banner ========== */
        .banner-transfer {
            position: relative;
            background: linear-gradient(135deg, #0d1f33 0%, #1a3d5f 40%, #2c5680 100%);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center 30%;
            background-blend-mode: overlay;
            padding: 4rem 0;
            color: #fff;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .banner-transfer::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 31, 51, 0.82) 0%, rgba(26, 61, 95, 0.7) 60%, rgba(13, 31, 51, 0.85) 100%);
            z-index: 1;
        }
        .banner-transfer .banner-content {
            position: relative;
            z-index: 2;
        }
        @media (min-width: 768px) {
            .banner-transfer {
                padding: 5.5rem 0;
            }
        }
        @media (min-width: 1024px) {
            .banner-transfer {
                padding: 7rem 0;
            }
        }

        /* ========== 卡片 ========== */
        .card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #d5dae2;
        }
        .card-static {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        /* ========== 徽章/标签 ========== */
        .badge-transfer {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            border-radius: 2rem;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }
        .badge-confirmed {
            background: #e6f7ed;
            color: #1a6b3c;
        }
        .badge-rumor {
            background: #fff7e6;
            color: #b87a14;
        }
        .badge-negotiating {
            background: #e8f0fe;
            color: #2c5680;
        }
        .badge-record {
            background: linear-gradient(135deg, #fef3d5, #fde9b0);
            color: #7d6119;
            font-weight: 700;
        }

        /* ========== 数据卡 ========== */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            padding: 1.5rem 1.25rem;
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-brand-700);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        @media (min-width: 768px) {
            .stat-value {
                font-size: 2.4rem;
            }
        }
        .stat-label {
            font-size: 0.85rem;
            color: #5a6070;
            margin-top: 0.35rem;
            font-weight: 500;
        }

        /* ========== 新闻列表项 ========== */
        .news-item {
            display: flex;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid #eef1f6;
            transition: all var(--transition-fast);
            align-items: flex-start;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background: #fafbfd;
            margin: 0 -0.75rem;
            padding-left: 0.75rem;
            padding-right: 0.75rem;
            border-radius: 0.6rem;
            border-bottom-color: transparent;
        }
        .news-item-img {
            width: 90px;
            height: 64px;
            border-radius: 0.55rem;
            object-fit: cover;
            flex-shrink: 0;
            background: #eef1f6;
        }
        @media (min-width: 640px) {
            .news-item-img {
                width: 130px;
                height: 88px;
            }
        }

        /* ========== 排名列表 ========== */
        .rank-row {
            display: flex;
            align-items: center;
            gap: 0.85rem;
            padding: 0.75rem 0.85rem;
            border-radius: 0.6rem;
            transition: all var(--transition-fast);
            border-bottom: 1px solid #f4f6f9;
        }
        .rank-row:last-child {
            border-bottom: none;
        }
        .rank-row:hover {
            background: #f8fafc;
        }
        .rank-num {
            width: 2rem;
            height: 2rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .rank-num.top1 {
            background: #fef3d5;
            color: #7d6119;
        }
        .rank-num.top2 {
            background: #eef1f6;
            color: #4a5568;
        }
        .rank-num.top3 {
            background: #fdf0e6;
            color: #8b5e3c;
        }
        .rank-num.normal {
            background: #f8f9fb;
            color: #5a6070;
        }

        /* ========== FAQ ========== */
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: 0.75rem;
            margin-bottom: 0.65rem;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: #cdd4de;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.05rem 1.2rem;
            font-weight: 600;
            font-size: 0.95rem;
            background: #fff;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #1a1a2e;
            gap: 1rem;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: #fafbfd;
        }
        .faq-arrow {
            font-size: 0.7rem;
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            color: #8b919e;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-brand-700);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 1.2rem;
            font-size: 0.9rem;
            color: #5a6070;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 1.2rem 1.1rem;
        }

        /* ========== CTA区块 ========== */
        .cta-block {
            background: linear-gradient(140deg, #132d47 0%, #1a3d5f 50%, #0d1f33 100%);
            border-radius: var(--radius-card);
            padding: 2.5rem 1.5rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        @media (min-width: 768px) {
            .cta-block {
                padding: 3.5rem 2rem;
            }
        }
        .cta-block::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0d1f33;
            color: rgba(255, 255, 255, 0.8);
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
            margin-top: 2rem;
        }
        @media (min-width: 768px) {
            .site-footer {
                padding: 4rem 0 1.8rem;
                margin-top: 3rem;
            }
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.8fr 1fr 1fr 1fr;
            }
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.65;
            font-size: 0.85rem;
            max-width: 380px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 0.7rem;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.4rem;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 2rem;
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== 响应式微调 ========== */
        @media (max-width: 640px) {
            .stat-value {
                font-size: 1.6rem;
            }
            .banner-transfer {
                padding: 2.8rem 0;
            }
            .banner-title {
                font-size: 1.6rem !important;
            }
            .banner-subtitle {
                font-size: 0.95rem !important;
            }
        }
        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.05rem;
            }
            .nav-inner {
                height: 54px;
            }
            .card {
                border-radius: 0.75rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0F1E3D;
            --color-primary-light: #1A3360;
            --color-accent: #C8963E;
            --color-accent-light: #D4A84B;
            --color-bg: #F8F9FB;
            --color-white: #FFFFFF;
            --color-text: #1B1B1B;
            --color-text-soft: #5A5F6B;
            --color-text-light: #8B8F98;
            --color-border: #E4E7ED;
            --color-border-light: #F0F2F5;
            --color-card-bg: #FFFFFF;
            --color-table-stripe: #F9FAFB;
            --color-table-header: #0F1E3D;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 14px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width-container: 1200px;
            --nav-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);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

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

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

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

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--color-primary);
            flex-shrink: 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-logo:hover {
            color: var(--color-accent);
        }
        .logo-icon {
            font-size: 1.5rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-sm);
            color: #fff;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 6px;
            align-items: center;
        }
        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--color-primary);
            background: #F1F4F8;
        }
        .nav-links li a.nav-active {
            color: var(--color-white);
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(15, 30, 61, 0.25);
        }
        .nav-links li a.nav-active:hover {
            background: var(--color-primary-light);
            color: #fff;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-accent);
            color: #fff;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-base);
            box-shadow: 0 3px 12px rgba(200, 150, 62, 0.3);
            flex-shrink: 0;
        }
        .nav-cta:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.4);
            transform: translateY(-1px);
            color: #fff;
        }
        .nav-cta-desktop {
            display: inline-flex;
        }
        @media (max-width: 1024px) {
            .nav-cta-desktop {
                display: none;
            }
            .nav-links {
                display: none;
            }
            .nav-hamburger {
                display: flex !important;
            }
        }

        .nav-hamburger {
            display: none;
            font-size: 1.6rem;
            padding: 6px;
            color: var(--color-primary);
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-hamburger:hover {
            background: #F1F4F8;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: var(--color-white);
            border-bottom: 2px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            z-index: 99;
            padding: 12px 24px;
            flex-direction: column;
            gap: 6px;
            max-height: 70vh;
            overflow-y: auto;
        }
        .mobile-menu.active {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 13px 18px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover {
            background: #F1F4F8;
            color: var(--color-primary);
        }
        .mobile-menu a.nav-active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            padding: 70px 0 60px;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 30, 61, 0.78) 0%, rgba(15, 30, 61, 0.88) 60%, rgba(10, 22, 45, 0.94) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 750px;
        }
        .banner-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .banner-title {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }
        .banner-desc {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 600px;
        }

        /* Stats Overview */
        .stats-overview-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
            position: relative;
            overflow: hidden;
        }
        .stat-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .stat-card:hover::after {
            opacity: 1;
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 6px;
            letter-spacing: -1px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }
        .stat-sub {
            font-size: 0.78rem;
            color: var(--color-text-light);
            margin-top: 4px;
        }

        /* Section Title */
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: -0.2px;
        }
        .section-header .section-line {
            display: block;
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            margin: 10px auto 0;
            border-radius: 2px;
        }
        .section-header p {
            color: var(--color-text-soft);
            font-size: 0.95rem;
            max-width: 550px;
            margin: 0 auto;
            margin-top: 8px;
        }

        /* Table Styles */
        .table-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            background: var(--color-white);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 0.93rem;
        }
        .data-table thead th {
            background: var(--color-table-header);
            color: #fff;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.4px;
            white-space: nowrap;
        }
        .data-table tbody tr {
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
        }
        .data-table tbody tr:hover {
            background: #F5F7FA;
        }
        .data-table tbody tr:nth-child(even) {
            background: var(--color-table-stripe);
        }
        .data-table tbody tr:nth-child(even):hover {
            background: #EEF1F5;
        }
        .data-table tbody td {
            padding: 13px 16px;
            color: var(--color-text);
            white-space: nowrap;
        }
        .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.85rem;
            color: #fff;
            background: var(--color-primary);
        }
        .rank-badge.top1 {
            background: #D4A017;
            width: 34px;
            height: 34px;
            font-size: 0.9rem;
            box-shadow: 0 0 14px rgba(212, 160, 23, 0.45);
        }
        .rank-badge.top2 {
            background: #8A8D93;
            box-shadow: 0 0 10px rgba(138, 141, 147, 0.35);
        }
        .rank-badge.top3 {
            background: #B87333;
            box-shadow: 0 0 10px rgba(184, 115, 51, 0.35);
        }
        .goal-highlight {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 1.05rem;
        }

        /* Assist Cards */
        .assist-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .assist-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .assist-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }
        .assist-rank-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .assist-rank-circle.gold {
            background: linear-gradient(135deg, #D4A017, #C8963E);
        }
        .assist-rank-circle.silver {
            background: linear-gradient(135deg, #8A8D93, #6B6E75);
        }
        .assist-rank-circle.bronze {
            background: linear-gradient(135deg, #B87333, #9A5F2B);
        }
        .assist-info h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin-bottom: 2px;
        }
        .assist-info .team-name {
            font-size: 0.85rem;
            color: var(--color-text-soft);
        }
        .assist-info .assist-count {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 1.2rem;
            margin-top: 2px;
        }

        /* Team Ranking Cards */
        .team-rank-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .team-rank-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
        }
        .team-rank-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .team-rank-card .card-img-wrap {
            position: relative;
            height: 160px;
            overflow: hidden;
        }
        .team-rank-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .team-rank-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .team-rank-card .card-rank-overlay {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            padding: 5px 14px;
            border-radius: 18px;
            font-weight: 700;
            font-size: 0.85rem;
            z-index: 2;
            letter-spacing: 0.3px;
        }
        .team-rank-card .card-body {
            padding: 18px 16px;
        }
        .team-rank-card .card-body h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .team-rank-card .card-body .card-meta {
            font-size: 0.83rem;
            color: var(--color-text-soft);
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* Deep Data Section */
        .deep-data-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--color-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }
        .deep-data-block .deep-text {
            padding: 40px 36px;
        }
        .deep-data-block .deep-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
            letter-spacing: -0.2px;
        }
        .deep-data-block .deep-text p {
            color: var(--color-text-soft);
            line-height: 1.8;
            font-size: 0.95rem;
            margin-bottom: 10px;
        }
        .deep-data-block .deep-img {
            height: 100%;
            min-height: 320px;
        }
        .deep-data-block .deep-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary) 0%, #0a1a35 100%);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
        }
        .cta-section h3 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.2px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-large {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-base);
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.35);
            letter-spacing: 0.3px;
        }
        .btn-cta-large:hover {
            background: var(--color-accent-light);
            box-shadow: 0 10px 32px rgba(200, 150, 62, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: #0C1628;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 20px;
            margin-top: auto;
            border-top: 3px solid var(--color-accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-col h4 {
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 9px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            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 {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .stats-overview-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .assist-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .team-rank-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-data-block {
                grid-template-columns: 1fr;
            }
            .deep-data-block .deep-img {
                min-height: 240px;
                order: -1;
            }
            .deep-data-block .deep-text {
                padding: 28px 24px;
            }
            .banner-title {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .stats-overview-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .assist-cards-grid {
                grid-template-columns: 1fr;
            }
            .team-rank-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .banner-title {
                font-size: 1.6rem;
            }
            .banner-desc {
                font-size: 0.93rem;
            }
            .page-banner {
                padding: 44px 0 36px;
            }
            .cta-section {
                padding: 34px 20px;
            }
            .cta-section h3 {
                font-size: 1.35rem;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .stats-overview-grid {
                grid-template-columns: 1fr;
            }
            .team-rank-grid {
                grid-template-columns: 1fr;
            }
            .banner-title {
                font-size: 1.35rem;
            }
            .page-banner {
                padding: 32px 0 28px;
            }
            .data-table thead th,
            .data-table tbody td {
                padding: 10px 10px;
                font-size: 0.8rem;
            }
            .rank-badge {
                width: 24px;
                height: 24px;
                font-size: 0.72rem;
            }
            .rank-badge.top1 {
                width: 28px;
                height: 28px;
                font-size: 0.78rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-brand: #1a3c5c;
            --color-brand-light: #264d73;
            --color-brand-dark: #0e1e2f;
            --color-accent: #c4952e;
            --color-accent-light: #d4a843;
            --color-accent-dark: #8c6519;
            --color-bg: #f8fafb;
            --color-bg-card: #ffffff;
            --color-text: #1c2333;
            --color-text-muted: #5f6b7a;
            --color-text-weak: #8b95a5;
            --color-border: #e2e8f0;
            --color-border-light: #eef1f5;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(10, 21, 32, 0.06);
            --shadow-md: 0 6px 20px rgba(10, 21, 32, 0.08);
            --shadow-lg: 0 16px 40px rgba(10, 21, 32, 0.12);
            --shadow-xl: 0 24px 56px rgba(10, 21, 32, 0.16);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

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

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

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

        input {
            font-family: inherit;
        }

        /* Container */
        .container-custom {
            width: 100%;
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 28px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-smooth);
        }

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

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 66px;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-brand);
            white-space: nowrap;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-logo:hover {
            opacity: 0.82;
        }
        .logo-icon {
            font-size: 1.55rem;
            display: inline-block;
            animation: logoPulse 3s ease-in-out infinite;
        }
        @keyframes logoPulse {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.12);
            }
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 6px;
            align-items: center;
        }
        .nav-links a {
            display: inline-block;
            padding: 10px 18px;
            border-radius: 10px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-brand);
            background: rgba(26, 60, 92, 0.05);
        }
        .nav-links a.nav-active {
            color: var(--color-brand);
            background: rgba(26, 60, 92, 0.07);
            font-weight: 600;
        }
        .nav-links a.nav-active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--color-brand);
            color: #fff;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }
        .nav-cta:hover {
            background: var(--color-brand-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .nav-cta:active {
            transform: scale(0.97);
        }

        .nav-hamburger {
            display: none;
            font-size: 1.6rem;
            padding: 6px 10px;
            border-radius: 8px;
            color: var(--color-brand);
            transition: background var(--transition-fast);
            line-height: 1;
        }
        .nav-hamburger:hover {
            background: rgba(26, 60, 92, 0.06);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #fff;
            border-top: 1px solid var(--color-border-light);
            padding: 12px 20px 20px;
            gap: 2px;
            box-shadow: var(--shadow-md);
        }
        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: 10px;
            font-weight: 500;
            font-size: 1rem;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover {
            background: rgba(26, 60, 92, 0.05);
            color: var(--color-brand);
        }
        .mobile-menu a.nav-active {
            background: rgba(26, 60, 92, 0.07);
            color: var(--color-brand);
            font-weight: 600;
        }

        @media (max-width: 920px) {
            .nav-links {
                display: none;
            }
            .nav-cta-desktop {
                display: none;
            }
            .nav-hamburger {
                display: block;
            }
            .mobile-menu.open {
                display: flex;
            }
        }
        @media (min-width: 921px) {
            .mobile-menu {
                display: none !important;
            }
        }

        /* Hero Banner */
        .hero-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center 25%;
            background-repeat: no-repeat;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
            overflow: hidden;
            margin-bottom: 48px;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 21, 32, 0.55) 0%, rgba(10, 21, 32, 0.78) 65%, rgba(10, 21, 32, 0.9) 100%);
            z-index: 1;
        }
        .hero-banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 700px;
        }
        .hero-banner-content h1 {
            font-size: 2.6rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            line-height: 1.25;
            margin-bottom: 14px;
        }
        .hero-banner-content p {
            font-size: 1.1rem;
            opacity: 0.9;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .hero-banner {
                min-height: 300px;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                margin-bottom: 32px;
            }
            .hero-banner-content h1 {
                font-size: 1.75rem;
            }
            .hero-banner-content p {
                font-size: 0.95rem;
            }
        }

        /* Section */
        .section {
            padding: 52px 0;
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-header h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-brand);
            letter-spacing: 0.02em;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            border-radius: 4px;
            background: var(--color-accent);
            margin-top: 10px;
        }
        .section-header .subtitle {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            margin-top: 6px;
        }

        /* Cards */
        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 20px 22px;
        }
        .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(26, 60, 92, 0.08);
            color: var(--color-brand);
            margin-bottom: 8px;
        }
        .card-tag.hot {
            background: #fef3e8;
            color: #c0392b;
        }
        .card-tag.live {
            background: #e8faf0;
            color: #1a7a3a;
            animation: livePulse 2s ease-in-out infinite;
        }
        @keyframes livePulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 650;
            color: var(--color-text);
            line-height: 1.45;
            margin-bottom: 6px;
        }
        .card-desc {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.55;
        }
        .card-meta {
            font-size: 0.8rem;
            color: var(--color-text-weak);
            margin-top: 10px;
            display: flex;
            gap: 14px;
            align-items: center;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 26px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.92rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--color-brand);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            background: var(--color-brand-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-brand);
            border: 2px solid var(--color-brand);
        }
        .btn-outline:hover {
            background: var(--color-brand);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-accent:hover {
            background: var(--color-accent-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        /* Timeline */
        .timeline-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--color-border-light);
            align-items: flex-start;
        }
        .timeline-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
            margin-top: 6px;
            box-shadow: 0 0 0 4px rgba(196, 149, 46, 0.18);
        }
        .timeline-dot.upcoming {
            background: var(--color-brand);
            box-shadow: 0 0 0 4px rgba(26, 60, 92, 0.18);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            background: #fff;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            padding: 18px 22px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-text);
            font-size: 0.98rem;
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-item summary:hover {
            color: var(--color-brand);
        }
        .faq-item summary::after {
            content: '▾';
            font-size: 1.1rem;
            color: var(--color-text-weak);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-item .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }
        .faq-item[open] {
            border-color: var(--color-brand);
            box-shadow: var(--shadow-md);
        }

        /* Stats block */
        .stat-card {
            text-align: center;
            padding: 28px 20px;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-brand);
            letter-spacing: 0.02em;
            line-height: 1;
        }
        .stat-label {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin-top: 8px;
        }

        /* Newsletter / CTA block */
        .cta-block {
            background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        /* Footer */
        .site-footer {
            background: var(--color-brand-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* Responsive grid helpers */
        @media (max-width: 768px) {
            .section {
                padding: 32px 0;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-navy-800: #142940;
            --color-navy-700: #1a3550;
            --color-navy-600: #234560;
            --color-gold-500: #c9a052;
            --color-gold-400: #d4b06a;
            --color-gold-300: #e0c288;
            --color-cream: #f8f5f0;
            --color-softgray: #e8e5e0;
            --color-text: #1a1a2e;
            --color-text-soft: #5c5c6e;
            --color-text-muted: #888899;
            --color-white: #ffffff;
            --shadow-card: 0 2px 16px rgba(20, 30, 50, 0.07);
            --shadow-card-hover: 0 8px 32px rgba(20, 30, 50, 0.13);
            --shadow-nav: 0 1px 10px rgba(20, 30, 50, 0.06);
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-full: 9999px;
            --transition-base: 0.22s ease;
        }

        *,
        *::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: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background: #fafaf9;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        button {
            outline: none;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(201, 160, 82, 0.6);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* Container */
        .container-custom {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 28px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 18px;
            }
        }

        /* Header */
        .site-header {
            background: var(--color-white);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid rgba(0, 0, 0, 0.04);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 66px;
            gap: 20px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--color-navy-800);
            white-space: nowrap;
            flex-shrink: 0;
            transition: opacity var(--transition-base);
        }
        .nav-logo:hover {
            opacity: 0.82;
        }
        .logo-icon {
            font-size: 1.5rem;
            line-height: 1;
        }
        .nav-links {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 6px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-links li a {
            display: block;
            padding: 10px 15px;
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: 8px;
            white-space: nowrap;
            transition: all var(--transition-base);
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--color-navy-800);
            background: #f4f2ee;
        }
        .nav-links li a.nav-active {
            color: var(--color-gold-500);
            font-weight: 700;
            background: #fdfaf3;
        }
        .nav-links li a.nav-active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-gold-500);
            border-radius: 2px;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-navy-700);
            color: #fff;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-base);
            border: 2px solid transparent;
        }
        .nav-cta:hover {
            background: var(--color-navy-600);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(20, 40, 60, 0.2);
        }
        .nav-cta:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .nav-hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--color-navy-800);
            padding: 6px 10px;
            border-radius: 6px;
            transition: background var(--transition-base);
            line-height: 1;
        }
        .nav-hamburger:hover {
            background: #f4f2ee;
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            background: var(--color-white);
            border-top: 1px solid #eee;
            padding: 12px 20px 18px;
            gap: 2px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }
        .mobile-menu a {
            display: block;
            padding: 12px 14px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: 8px;
            transition: all var(--transition-base);
        }
        .mobile-menu a:hover {
            background: #f8f6f2;
            color: var(--color-navy-800);
        }
        .mobile-menu a.nav-active {
            color: var(--color-gold-500);
            font-weight: 700;
            background: #fdfaf3;
        }
        .mobile-menu.open {
            display: flex;
        }
        @media (max-width: 920px) {
            .nav-links {
                display: none;
            }
            .nav-cta-desktop {
                display: none;
            }
            .nav-hamburger {
                display: block;
            }
            .nav-inner {
                height: 58px;
            }
        }
        @media (min-width: 921px) {
            .mobile-menu {
                display: none !important;
            }
        }

        /* Section spacing */
        .section-py {
            padding: 56px 0;
        }
        @media (max-width: 768px) {
            .section-py {
                padding: 40px 0;
            }
        }
        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-navy-800);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            margin-bottom: 36px;
            max-width: 600px;
        }

        /* Cards */
        .card-team {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(0, 0, 0, 0.04);
        }
        .card-team:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .card-team-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-team-body {
            padding: 20px 18px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-team-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-gold-500);
            background: #fdfaf3;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            margin-bottom: 10px;
            width: fit-content;
            letter-spacing: 0.02em;
        }
        .card-team-title {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--color-navy-800);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .card-team-desc {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.55;
            flex: 1;
        }
        .card-team-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-gold-500);
            transition: all var(--transition-base);
        }
        .card-team-link:hover {
            color: var(--color-navy-700);
            gap: 9px;
        }
        .card-team-link span {
            transition: transform var(--transition-base);
        }
        .card-team-link:hover span {
            transform: translateX(3px);
        }

        /* Article list */
        .article-row {
            display: flex;
            gap: 24px;
            align-items: stretch;
            background: var(--color-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: all var(--transition-base);
            margin-bottom: 20px;
        }
        .article-row:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .article-row-img {
            width: 280px;
            flex-shrink: 0;
            object-fit: cover;
            min-height: 200px;
            display: block;
        }
        .article-row-content {
            padding: 22px 22px 22px 10px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
        }
        .article-row-date {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-bottom: 6px;
        }
        .article-row-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-navy-800);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .article-row-excerpt {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .article-row-link {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-gold-500);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-base);
        }
        .article-row-link:hover {
            color: var(--color-navy-700);
            gap: 8px;
        }
        @media (max-width: 680px) {
            .article-row {
                flex-direction: column;
            }
            .article-row-img {
                width: 100%;
                aspect-ratio: 16 / 9;
                min-height: auto;
            }
            .article-row-content {
                padding: 18px;
            }
        }

        /* Stat cards */
        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-gold-500);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin-top: 6px;
            font-weight: 500;
        }

        /* FAQ */
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            margin-bottom: 12px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(0, 0, 0, 0.03);
            transition: all var(--transition-base);
            cursor: default;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .faq-q {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-navy-800);
            margin-bottom: 8px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .faq-q-icon {
            color: var(--color-gold-500);
            font-weight: 800;
            flex-shrink: 0;
            font-size: 1.1rem;
        }
        .faq-a {
            font-size: 0.93rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            padding-left: 24px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--color-navy-800) 0%, var(--color-navy-700) 60%, #1a3550 100%);
            border-radius: var(--radius-2xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            background: rgba(255, 255, 255, 0.025);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-gold-500);
            color: #1a1a2e;
            padding: 13px 32px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            position: relative;
            z-index: 1;
            border: none;
        }
        .cta-btn:hover {
            background: var(--color-gold-400);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 160, 82, 0.4);
        }
        .cta-btn:active {
            transform: translateY(0);
            box-shadow: none;
        }

        /* Footer */
        .site-footer {
            background: var(--color-navy-800);
            color: rgba(255, 255, 255, 0.82);
            padding: 48px 0 24px;
            margin-top: 56px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--color-gold-400);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* Hero banner */
        .hero-banner {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            border-radius: var(--radius-2xl);
            overflow: hidden;
            background-size: cover;
            background-position: center 30%;
            background-image: url('assets/images/backpic/back-2.webp');
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 41, 64, 0.82) 0%, rgba(15, 31, 51, 0.7) 60%, rgba(20, 41, 64, 0.78) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 48px 36px;
            max-width: 680px;
        }
        .hero-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
            backdrop-filter: blur(4px);
        }
        .hero-title {
            font-size: 2.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }
        .hero-desc {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
            max-width: 520px;
        }
        @media (max-width: 640px) {
            .hero-banner {
                min-height: 260px;
                border-radius: var(--radius-lg);
            }
            .hero-content {
                padding: 30px 18px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
        }

        /* Utility */
        .bg-cream {
            background: var(--color-cream);
        }
        .text-gold {
            color: var(--color-gold-500);
        }