/* roulang page: index */
:root {
        --primary: #6c3ce0;
        --primary-dark: #5528b8;
        --primary-light: #e6dcf8;
        --accent: #ff6b35;
        --accent-dark: #e5531f;
        --gold: #f5b63f;
        --bg-dark: #13111c;
        --bg-main: #f6f5fa;
        --bg-card: #ffffff;
        --text-main: #1f1b2e;
        --text-secondary: #5c566b;
        --text-light: #8b859a;
        --border-light: #e8e5ef;
        --radius-sm: 8px;
        --radius-md: 16px;
        --radius-lg: 24px;
        --shadow-sm: 0 2px 8px rgba(31, 27, 46, 0.06);
        --shadow-md: 0 6px 20px rgba(31, 27, 46, 0.08);
        --shadow-lg: 0 16px 40px rgba(31, 27, 46, 0.12);
        --sidebar-width: 260px;
        --transition-standard: all 0.3s ease;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-main);
        background: var(--bg-main);
        overflow-x: hidden;
    }

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

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

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

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

    ul,
    ol {
        list-style: none;
    }

    :focus-visible {
        outline: 3px solid rgba(108, 60, 224, 0.4);
        outline-offset: 2px;
        border-radius: 4px;
    }

    .container {
        width: 100%;
        max-width: 1380px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    .sidebar-layout {
        display: flex;
        min-height: 100vh;
    }

    .sidebar {
        width: var(--sidebar-width);
        background: var(--bg-dark);
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        z-index: 1000;
        display: flex;
        flex-direction: column;
        transition: transform 0.3s ease;
        overflow-y: auto;
    }

    .sidebar-header {
        padding: 32px 28px 24px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .sidebar-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #fff;
        font-size: 20px;
        font-weight: 700;
        letter-spacing: 0.5px;
    }

    .sidebar-logo i {
        color: var(--gold);
        font-size: 24px;
    }

    .sidebar-nav {
        flex: 1;
        padding: 24px 16px;
    }

    .sidebar-nav-item {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 13px 16px;
        border-radius: var(--radius-md);
        color: rgba(255, 255, 255, 0.75);
        font-size: 15px;
        font-weight: 500;
        margin-bottom: 4px;
        transition: var(--transition-standard);
        border: 1px solid transparent;
    }

    .sidebar-nav-item i {
        font-size: 18px;
        width: 22px;
        text-align: center;
    }

    .sidebar-nav-item:hover {
        background: rgba(255, 255, 255, 0.08);
        color: #fff;
        transform: translateX(4px);
    }

    .sidebar-nav-item.active {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 4px 16px rgba(108, 60, 224, 0.4);
    }

    .sidebar-cta {
        padding: 24px;
        background: linear-gradient(135deg, rgba(108, 60, 224, 0.3), rgba(255, 107, 53, 0.2));
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-md);
        margin: 0 16px 24px;
    }

    .sidebar-cta h4 {
        color: #fff;
        font-size: 15px;
        margin-bottom: 6px;
    }

    .sidebar-cta p {
        color: rgba(255, 255, 255, 0.7);
        font-size: 13px;
        margin-bottom: 16px;
        line-height: 1.5;
    }

    .sidebar-cta .btn-primary {
        width: 100%;
        text-align: center;
        font-size: 14px;
        padding: 10px 16px;
    }

    .content-main {
        margin-left: var(--sidebar-width);
        flex: 1;
        min-width: 0;
    }

    .mobile-topbar {
        display: none;
        position: sticky;
        top: 0;
        z-index: 999;
        background: var(--bg-dark);
        padding: 14px 20px;
        align-items: center;
        justify-content: space-between;
    }

    .mobile-logo {
        color: #fff;
        font-size: 17px;
        font-weight: 700;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .mobile-logo i {
        color: var(--gold);
    }

    .hamburger-btn {
        width: 42px;
        height: 42px;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.1);
        color: #fff;
        font-size: 18px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: var(--transition-standard);
    }

    .hamburger-btn:hover {
        background: var(--primary);
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: #fff;
        padding: 13px 32px;
        border-radius: var(--radius-md);
        font-size: 16px;
        font-weight: 600;
        border: none;
        cursor: pointer;
        transition: var(--transition-standard);
        box-shadow: 0 4px 16px rgba(108, 60, 224, 0.3);
        white-space: nowrap;
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 28px rgba(108, 60, 224, 0.4);
    }

    .btn-primary:active {
        transform: translateY(0);
        box-shadow: 0 2px 8px rgba(108, 60, 224, 0.2);
    }

    .btn-accent {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: linear-gradient(135deg, var(--accent), var(--accent-dark));
        color: #fff;
        padding: 13px 32px;
        border-radius: var(--radius-md);
        font-size: 16px;
        font-weight: 600;
        border: none;
        cursor: pointer;
        transition: var(--transition-standard);
        box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
        white-space: nowrap;
    }

    .btn-accent:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 28px rgba(255, 107, 53, 0.4);
    }

    .btn-outline {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: transparent;
        color: var(--primary);
        border: 2px solid var(--primary);
        padding: 11px 28px;
        border-radius: var(--radius-md);
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: var(--transition-standard);
    }

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

    .hero-section {
        position: relative;
        padding: 100px 56px 80px;
        color: #fff;
        background-image: url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        overflow: hidden;
        min-height: 620px;
        display: flex;
        align-items: center;
    }

    .hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(100deg, rgba(19, 17, 28, 0.92) 0%, rgba(19, 17, 28, 0.75) 45%, rgba(19, 17, 28, 0.3) 100%);
    }

    .hero-content {
        position: relative;
        z-index: 2;
        max-width: 680px;
    }

    .hero-flag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(255, 255, 255, 0.12);
        border: 1px solid rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
        padding: 6px 16px;
        border-radius: 100px;
        font-size: 13px;
        color: #dcd6e8;
        margin-bottom: 24px;
        letter-spacing: 0.5px;
    }

    .hero-flag i {
        color: var(--gold);
        font-size: 14px;
    }

    .hero-section h1 {
        font-size: 52px;
        line-height: 1.2;
        font-weight: 800;
        margin-bottom: 20px;
        background: linear-gradient(135deg, #ffffff 60%, var(--gold));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .hero-section p.lead {
        font-size: 18px;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.85);
        margin-bottom: 36px;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        margin-bottom: 40px;
    }

    .hero-stat-line {
        display: flex;
        flex-wrap: wrap;
        gap: 32px;
        border-top: 1px solid rgba(255, 255, 255, 0.15);
        padding-top: 28px;
    }

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

    .hero-stat strong {
        font-size: 28px;
        font-weight: 700;
        color: var(--gold);
    }

    .hero-stat span {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.6);
        margin-top: 2px;
    }

    .section {
        padding: 88px 56px;
    }

    .section-header {
        margin-bottom: 48px;
        max-width: 720px;
    }

    .section-tag {
        display: inline-block;
        background: var(--primary-light);
        color: var(--primary);
        font-size: 13px;
        font-weight: 600;
        padding: 5px 16px;
        border-radius: 100px;
        margin-bottom: 14px;
        letter-spacing: 0.5px;
    }

    .section-header h2 {
        font-size: 36px;
        font-weight: 700;
        line-height: 1.3;
        color: var(--text-main);
        margin-bottom: 14px;
    }

    .section-header p {
        font-size: 16px;
        color: var(--text-secondary);
        line-height: 1.8;
    }

    .section-header.light h2,
    .section-header.light p {
        color: #fff;
    }

    .section-header.light .section-tag {
        background: rgba(255, 255, 255, 0.14);
        color: var(--gold);
    }

    .card-grid {
        display: grid;
        gap: 28px;
    }

    .card-grid.cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .card-grid.cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }

    .card-grid.cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-card {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        padding: 32px 28px;
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-sm);
        transition: var(--transition-standard);
        position: relative;
        overflow: hidden;
    }

    .feature-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
        border-color: transparent;
    }

    .feature-card::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
        opacity: 0;
        transition: var(--transition-standard);
    }

    .feature-card:hover::after {
        opacity: 1;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        border-radius: var(--radius-md);
        background: var(--primary-light);
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 20px;
        font-size: 24px;
        color: var(--primary);
    }

    .feature-card h3 {
        font-size: 19px;
        font-weight: 600;
        margin-bottom: 10px;
    }

    .feature-card p {
        color: var(--text-secondary);
        font-size: 14px;
        line-height: 1.7;
    }

    .category-section {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .category-card {
        border-radius: var(--radius-lg);
        overflow: hidden;
        position: relative;
        background: var(--bg-card);
        box-shadow: var(--shadow-sm);
        transition: var(--transition-standard);
        display: block;
    }

    .category-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-lg);
    }

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

    .category-card-img::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(180deg, rgba(19, 17, 28, 0) 30%, rgba(19, 17, 28, 0.55) 100%);
    }

    .category-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

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

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

    .category-card-body h3 {
        font-size: 18px;
        font-weight: 600;
        margin-bottom: 8px;
    }

    .category-card-body p {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.6;
        margin-bottom: 16px;
    }

    .category-link {
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: var(--transition-standard);
    }

    .category-link:hover {
        gap: 10px;
        color: var(--accent);
    }

    .news-section {
        background: var(--bg-dark);
        background-image: url('/assets/images/backpic/back-2.png');
        background-size: cover;
        background-position: center;
        background-attachment: fixed;
    }

    .news-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(19, 17, 28, 0.88);
    }

    .news-list {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 20px;
        counter-reset: news-counter;
    }

    .news-card {
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-md);
        padding: 20px;
        backdrop-filter: blur(8px);
        transition: var(--transition-standard);
        display: flex;
        flex-direction: column;
        min-height: 180px;
    }

    .news-card:hover {
        background: rgba(255, 255, 255, 0.14);
        transform: translateY(-4px);
        border-color: rgba(255, 255, 255, 0.2);
    }

    .news-card .news-number {
        counter-increment: news-counter;
        font-size: 28px;
        font-weight: 800;
        color: rgba(245, 182, 63, 0.4);
        font-style: italic;
        margin-bottom: 12px;
    }

    .news-card .news-number::before {
        content: counters(news-counter, none);
    }

    .news-card:hover .news-number {
        color: var(--gold);
    }

    .news-card h3 {
        font-size: 15px;
        color: #fff;
        font-weight: 600;
        line-height: 1.5;
        margin-bottom: 8px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .news-card .news-date {
        font-size: 12px;
        color: rgba(255, 255, 255, 0.5);
        margin-top: auto;
    }

    .stat-section {
        background: linear-gradient(135deg, var(--primary-dark), var(--bg-dark));
        color: #fff;
    }

    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 40px;
        text-align: center;
    }

    .stat-box {
        padding: 32px 20px;
        background: rgba(255, 255, 255, 0.06);
        border-radius: var(--radius-lg);
        border: 1px solid rgba(255, 255, 255, 0.08);
        transition: var(--transition-standard);
    }

    .stat-box:hover {
        background: rgba(255, 255, 255, 0.12);
        transform: translateY(-4px);
    }

    .stat-box strong {
        display: block;
        font-size: 40px;
        font-weight: 800;
        color: var(--gold);
        margin-bottom: 8px;
        line-height: 1.2;
    }

    .stat-box span {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.7);
    }

    .feature-list-section {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        align-items: center;
    }

    .feature-list-img {
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-lg);
        position: relative;
    }

    .feature-list-img img {
        width: 100%;
        height: 420px;
        object-fit: cover;
    }

    .feature-list-content h2 {
        font-size: 34px;
        font-weight: 700;
        margin-bottom: 20px;
        line-height: 1.3;
    }

    .feature-list-content>p {
        color: var(--text-secondary);
        margin-bottom: 28px;
        font-size: 15px;
    }

    .feature-list-items {
        display: flex;
        flex-direction: column;
        gap: 18px;
    }

    .feature-list-item {
        display: flex;
        gap: 16px;
        align-items: flex-start;
        padding: 18px 20px;
        background: var(--bg-card);
        border-radius: var(--radius-md);
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-sm);
        transition: var(--transition-standard);
    }

    .feature-list-item:hover {
        box-shadow: var(--shadow-md);
        transform: translateX(6px);
    }

    .feature-list-item i {
        font-size: 20px;
        color: var(--primary);
        background: var(--primary-light);
        width: 44px;
        height: 44px;
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .feature-list-item h3 {
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 4px;
    }

    .feature-list-item p {
        font-size: 13px;
        color: var(--text-secondary);
    }

    .timeline-section {
        padding: 88px 56px;
        background: var(--bg-main);
    }

    .timeline {
        max-width: 800px;
        margin: 0 auto;
        position: relative;
    }

    .timeline::before {
        content: '';
        position: absolute;
        left: 24px;
        top: 0;
        bottom: 0;
        width: 2px;
        background: linear-gradient(180deg, var(--primary), var(--accent));
        opacity: 0.2;
    }

    .timeline-item {
        display: flex;
        gap: 32px;
        padding: 24px 0;
        position: relative;
    }

    .timeline-marker {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        background: var(--bg-card);
        border: 2px solid var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 1;
        flex-shrink: 0;
        color: var(--primary);
        font-size: 18px;
        box-shadow: 0 0 0 6px rgba(108, 60, 224, 0.1);
    }

    .timeline-content {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        padding: 24px 28px;
        flex: 1;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
        transition: var(--transition-standard);
    }

    .timeline-content:hover {
        box-shadow: var(--shadow-md);
        transform: translateX(4px);
    }

    .timeline-content h3 {
        font-size: 18px;
        font-weight: 600;
        margin-bottom: 6px;
    }

    .timeline-content p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
    }

    .faq-section {
        padding: 88px 56px;
        background: var(--bg-card);
    }

    .faq-grid {
        max-width: 860px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .faq-item {
        background: var(--bg-main);
        border-radius: var(--radius-md);
        border: 1px solid var(--border-light);
        overflow: hidden;
        transition: var(--transition-standard);
    }

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

    .faq-item summary {
        padding: 22px 28px;
        font-size: 16px;
        font-weight: 600;
        cursor: pointer;
        list-style: none;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
        transition: var(--transition-standard);
    }

    .faq-item summary::-webkit-details-marker {
        display: none;
    }

    .faq-item summary::after {
        content: '\f078';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        font-size: 13px;
        color: var(--primary);
        transition: transform 0.3s ease;
        flex-shrink: 0;
    }

    .faq-item[open] summary::after {
        transform: rotate(180deg);
    }

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

    .faq-item .faq-answer {
        padding: 0 28px 24px;
        color: var(--text-secondary);
        font-size: 14px;
        line-height: 1.8;
    }

    .cta-section {
        padding: 88px 56px;
        background-image: url('/assets/images/backpic/back-3.png');
        background-size: cover;
        background-position: center;
        position: relative;
        text-align: center;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(108, 60, 224, 0.92), rgba(19, 17, 28, 0.95));
    }

    .cta-box {
        position: relative;
        z-index: 1;
        max-width: 640px;
        margin: 0 auto;
        color: #fff;
    }

    .cta-box h2 {
        font-size: 40px;
        font-weight: 800;
        margin-bottom: 16px;
        line-height: 1.2;
    }

    .cta-box p {
        font-size: 17px;
        color: rgba(255, 255, 255, 0.85);
        margin-bottom: 32px;
    }

    .cta-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .footer {
        background: var(--bg-dark);
        color: rgba(255, 255, 255, 0.7);
        padding: 60px 56px 32px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 48px;
    }

    .footer-brand h3 {
        color: #fff;
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .footer-brand h3 i {
        color: var(--gold);
        font-size: 22px;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.8;
        max-width: 320px;
    }

    .footer h4 {
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 18px;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .footer-links a {
        font-size: 14px;
        transition: var(--transition-standard);
    }

    .footer-links a:hover {
        color: var(--gold);
        transform: translateX(4px);
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding-top: 24px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 13px;
    }

    .footer-bottom a {
        color: rgba(255, 255, 255, 0.9);
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        backdrop-filter: blur(4px);
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .sidebar-overlay.show {
        opacity: 1;
    }

    .sidebar-mobile-close {
        display: none;
        position: absolute;
        top: 14px;
        right: 14px;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.1);
        color: #fff;
        font-size: 16px;
        z-index: 10;
        justify-content: center;
        align-items: center;
    }

    .sidebar-mobile-close:hover {
        background: var(--accent);
    }

    .btn-back-top {
        position: fixed;
        bottom: 32px;
        right: 32px;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: var(--primary);
        color: #fff;
        font-size: 18px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: var(--shadow-lg);
        z-index: 98;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-standard);
    }

    .btn-back-top.show {
        opacity: 1;
        visibility: visible;
    }

    .btn-back-top:hover {
        transform: translateY(-4px);
        background: var(--accent);
    }

    /* Inner pages */
    .sub-hero {
        padding: 72px 56px 48px;
        background-image: url('/assets/images/backpic/back-2.png');
        background-size: cover;
        background-position: center;
        position: relative;
        color: #fff;
    }

    .sub-hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(100deg, rgba(19, 17, 28, 0.93), rgba(108, 60, 224, 0.65));
    }

    .sub-hero-inner {
        position: relative;
        z-index: 1;
    }

    .sub-hero h1 {
        font-size: 40px;
        font-weight: 800;
        margin-bottom: 14px;
        line-height: 1.2;
    }

    .sub-hero p {
        font-size: 16px;
        color: rgba(255, 255, 255, 0.85);
        max-width: 560px;
        line-height: 1.8;
    }

    .article-section {
        padding: 64px 56px 88px;
    }

    .article-layout {
        display: grid;
        grid-template-columns: 1fr;
        gap: 40px;
        max-width: 860px;
        margin: 0 auto;
    }

    .article-header {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        padding: 44px 48px;
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-sm);
        margin-bottom: 28px;
    }

    .article-header .post-category-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 18px;
    }

    .article-header h1 {
        font-size: 32px;
        line-height: 1.3;
        font-weight: 700;
        margin-bottom: 16px;
    }

    .post-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        font-size: 13px;
        color: var(--text-light);
        border-top: 1px solid var(--border-light);
        padding-top: 18px;
        margin-top: 4px;
    }

    .post-meta span {
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .post-body {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        padding: 44px 48px;
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-sm);
        line-height: 1.9;
        font-size: 16px;
        color: var(--text-main);
    }

    .post-body h2 {
        font-size: 24px;
        font-weight: 700;
        margin: 28px 0 14px;
        padding-bottom: 8px;
        border-bottom: 2px solid var(--primary-light);
    }

    .post-body h3 {
        font-size: 20px;
        font-weight: 600;
        margin: 22px 0 12px;
    }

    .post-body p {
        margin-bottom: 18px;
    }

    .post-body img {
        border-radius: var(--radius-md);
        margin: 20px 0;
    }

    .post-body ul,
    .post-body ol {
        margin: 16px 0 20px;
        padding-left: 24px;
    }

    .post-body ul {
        list-style: disc;
    }

    .post-body ol {
        list-style: decimal;
    }

    .post-body li {
        margin-bottom: 8px;
    }

    .post-body blockquote {
        border-left: 4px solid var(--primary);
        padding: 16px 24px;
        background: var(--primary-light);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        margin: 20px 0;
        color: var(--text-main);
    }

    .post-body a {
        color: var(--primary);
        text-decoration: underline;
        text-decoration-color: rgba(108, 60, 224, 0.3);
        text-underline-offset: 4px;
    }

    .post-body a:hover {
        color: var(--accent);
        text-decoration-color: var(--accent);
    }

    .post-body table {
        width: 100%;
        border-collapse: collapse;
        margin: 24px 0;
        font-size: 14px;
    }

    .post-body table th,
    .post-body table td {
        border: 1px solid var(--border-light);
        padding: 12px 16px;
        text-align: left;
    }

    .post-body table th {
        background: var(--primary-light);
        color: var(--primary-dark);
        font-weight: 600;
    }

    .post-body table tr:nth-child(even) {
        background: var(--bg-main);
    }

    .post-body code {
        background: var(--bg-main);
        padding: 2px 8px;
        border-radius: 4px;
        font-size: 14px;
        border: 1px solid var(--border-light);
    }

    .post-body pre {
        background: var(--bg-dark);
        padding: 22px;
        border-radius: var(--radius-md);
        overflow-x: auto;
        margin: 20px 0;
        color: #e0d5f5;
        font-size: 14px;
    }

    .post-body pre code {
        background: none;
        border: none;
        padding: 0;
        color: inherit;
    }

    .article-related {
        background: var(--bg-main);
        border-radius: var(--radius-lg);
        padding: 32px;
        border: 1px solid var(--border-light);
        margin-top: 28px;
    }

    .article-related h3 {
        font-size: 18px;
        font-weight: 600;
        margin-bottom: 20px;
        padding-bottom: 12px;
        border-bottom: 2px solid var(--border-light);
    }

    .related-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .related-list a {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
        padding: 14px 18px;
        background: var(--bg-card);
        border-radius: var(--radius-sm);
        border: 1px solid transparent;
        transition: var(--transition-standard);
        font-size: 14px;
    }

    .related-list a:hover {
        border-color: var(--primary);
        box-shadow: var(--shadow-sm);
        transform: translateX(4px);
    }

    .related-list a span {
        color: var(--text-secondary);
        flex-shrink: 0;
    }

    .not-found-box {
        text-align: center;
        padding: 80px 40px;
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-sm);
    }

    .not-found-box i {
        font-size: 64px;
        color: var(--primary-light);
        margin-bottom: 24px;
        display: block;
    }

    .not-found-box h1 {
        font-size: 28px;
        margin-bottom: 12px;
    }

    .not-found-box p {
        color: var(--text-secondary);
        margin-bottom: 28px;
    }

    .category-page-section {
        padding: 56px;
    }

    .category-toolbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 16px;
        margin-bottom: 40px;
        background: var(--bg-card);
        border: 1px solid var(--border-light);
        border-radius: var(--radius-md);
        padding: 20px 24px;
        box-shadow: var(--shadow-sm);
    }

    .category-tag-list {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .tag-badge {
        display: inline-block;
        padding: 5px 14px;
        background: var(--primary-light);
        color: var(--primary);
        border-radius: 100px;
        font-size: 13px;
        font-weight: 500;
        transition: var(--transition-standard);
        cursor: pointer;
        border: 1px solid transparent;
    }

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

    .tag-badge.active {
        background: var(--primary);
        color: #fff;
    }

    .category-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }

    .category-post-card {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-sm);
        transition: var(--transition-standard);
        display: flex;
        flex-direction: column;
    }

    .category-post-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
        border-color: transparent;
    }

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

    .category-post-card .post-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .category-post-card:hover .post-img img {
        transform: scale(1.05);
    }

    .category-post-card .post-img::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(180deg, transparent 65%, rgba(19, 17, 28, 0.35));
    }

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

    .category-post-card .post-meta-inline {
        display: flex;
        gap: 12px;
        align-items: center;
        font-size: 12px;
        color: var(--text-light);
        margin-bottom: 10px;
    }

    .category-post-card .post-meta-inline span {
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .category-post-card h3 {
        font-size: 17px;
        font-weight: 600;
        line-height: 1.5;
        margin-bottom: 10px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .category-post-card p {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 16px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .category-post-card .read-more {
        margin-top: auto;
        color: var(--primary);
        font-size: 14px;
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: var(--transition-standard);
    }

    .category-post-card .read-more:hover {
        gap: 10px;
        color: var(--accent);
    }

    .pagination {
        display: flex;
        justify-content: center;
        gap: 8px;
        margin-top: 48px;
        flex-wrap: wrap;
    }

    .pagination a,
    .pagination span {
        min-width: 42px;
        height: 42px;
        padding: 0 12px;
        border-radius: var(--radius-sm);
        background: var(--bg-card);
        border: 1px solid var(--border-light);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 500;
        color: var(--text-main);
        transition: var(--transition-standard);
    }

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

    .pagination .page-active {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }

    .guide-steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        margin-top: 40px;
    }

    .step-box {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        padding: 32px 24px;
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-sm);
        text-align: center;
        position: relative;
        transition: var(--transition-standard);
    }

    .step-box:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-lg);
    }

    .step-number {
        width: 56px;
        height: 56px;
        margin: 0 auto 20px;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: #fff;
        font-size: 20px;
        font-weight: 700;
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 6px 20px rgba(108, 60, 224, 0.3);
    }

    .step-box h3 {
        font-size: 17px;
        font-weight: 600;
        margin-bottom: 10px;
    }

    .step-box p {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.7;
    }

    .search-box {
        position: relative;
        width: 240px;
    }

    .search-box input {
        width: 100%;
        height: 42px;
        padding: 0 46px 0 16px;
        background: var(--bg-main);
        border: 1px solid var(--border-light);
        border-radius: 100px;
        font-size: 13px;
        transition: var(--transition-standard);
    }

    .search-box input:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(108, 60, 224, 0.12);
    }

    .search-box button {
        position: absolute;
        right: 4px;
        top: 50%;
        transform: translateY(-50%);
        width: 34px;
        height: 34px;
        border-radius: 50%;
        background: var(--primary);
        color: #fff;
        font-size: 13px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: var(--transition-standard);
    }

    .search-box button:hover {
        background: var(--accent);
    }

    @media (max-width: 1200px) {
        .nav-grid {
            grid-template-columns: repeat(4, 1fr);
        }

        .news-list {
            grid-template-columns: repeat(3, 1fr);
        }

        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 992px) {
        .sidebar {
            transform: translateX(-100%);
        }

        .sidebar.open {
            transform: translateX(0);
            box-shadow: 0 0 60px rgba(0, 0, 0, 0.4);
        }

        .sidebar-mobile-close {
            display: flex;
        }

        .content-main {
            margin-left: 0;
        }

        .mobile-topbar {
            display: flex;
        }

        .sidebar-overlay.show {
            display: block;
        }

        .hero-section {
            padding: 80px 32px 60px;
            min-height: 520px;
        }

        .hero-section h1 {
            font-size: 40px;
        }

        .section {
            padding: 72px 32px;
        }

        .feature-list-section {
            grid-template-columns: 1fr;
            gap: 40px;
        }

        .category-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .category-section {
            grid-template-columns: repeat(2, 1fr);
        }

        .guide-steps {
            grid-template-columns: repeat(2, 1fr);
        }

        .footer-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .sub-hero {
            padding: 56px 32px 40px;
        }

        .article-section {
            padding: 48px 32px 72px;
        }

        .article-header,
        .post-body {
            padding: 32px;
        }

        .category-page-section {
            padding: 40px 32px;
        }
    }

    @media (max-width: 768px) {
        .hero-section {
            padding: 64px 20px 48px;
        }

        .hero-section h1 {
            font-size: 32px;
        }

        .hero-section p.lead {
            font-size: 16px;
        }

        .hero-actions {
            flex-direction: column;
            align-items: stretch;
        }

        .hero-actions .btn-primary,
        .hero-actions .btn-outline {
            width: 100%;
        }

        .hero-stat-line {
            gap: 20px;
            flex-wrap: wrap;
        }

        .section {
            padding: 56px 20px;
        }

        .section-header h2 {
            font-size: 28px;
        }

        .card-grid.cols-3,
        .card-grid.cols-4 {
            grid-template-columns: repeat(2, 1fr);
        }

        .news-list {
            grid-template-columns: repeat(2, 1fr);
        }

        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .category-section {
            grid-template-columns: 1fr;
        }

        .category-grid {
            grid-template-columns: 1fr;
        }

        .guide-steps {
            grid-template-columns: 1fr;
        }

        .faq-section {
            padding: 56px 20px;
        }

        .cta-section {
            padding: 64px 20px;
        }

        .cta-box h2 {
            font-size: 30px;
        }

        .footer-grid {
            grid-template-columns: 1fr;
        }

        .footer {
            padding: 40px 20px 24px;
        }

        .sub-hero h1 {
            font-size: 30px;
        }

        .article-header,
        .post-body {
            padding: 24px;
        }

        .article-header h1 {
            font-size: 24px;
        }

        .post-meta {
            gap: 12px;
            flex-direction: column;
        }

        .timeline {
            padding-left: 8px;
        }

        .timeline-item {
            gap: 16px;
        }

        .timeline-marker {
            width: 40px;
            height: 40px;
            font-size: 14px;
        }

        .footer-bottom {
            flex-direction: column;
            text-align: center;
            gap: 8px;
        }

        .search-box {
            width: 100%;
        }

        .category-toolbar {
            flex-direction: column;
            align-items: flex-start;
        }
    }

    @media (max-width: 520px) {
        .mobile-topbar {
            padding: 12px 16px;
        }

        .mobile-logo {
            font-size: 15px;
        }

        .hamburger-btn {
            width: 38px;
            height: 38px;
            font-size: 15px;
        }

        .hero-section {
            min-height: auto;
            padding: 56px 16px 40px;
        }

        .hero-section h1 {
            font-size: 28px;
        }

        .hero-flag {
            font-size: 12px;
            padding: 5px 12px;
        }

        .card-grid.cols-3,
        .card-grid.cols-4,
        .card-grid.cols-2 {
            grid-template-columns: 1fr;
        }

        .news-list {
            grid-template-columns: 1fr;
        }

        .section-header h2 {
            font-size: 24px;
        }

        .feature-list-img img {
            height: 240px;
        }

        .feature-list-section {
            gap: 32px;
        }

        .stats-grid {
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .stat-box {
            padding: 24px 12px;
        }

        .stat-box strong {
            font-size: 30px;
        }

        .cta-box h2 {
            font-size: 26px;
        }

        .sub-hero {
            padding: 40px 16px 32px;
        }

        .sub-hero h1 {
            font-size: 24px;
        }

        .article-section {
            padding: 32px 16px 56px;
        }

        .category-page-section {
            padding: 32px 16px;
        }

        .article-header,
        .post-body {
            padding: 20px;
        }

        .faq-item summary {
            padding: 18px 20px;
            font-size: 15px;
        }

        .faq-item .faq-answer {
            padding: 0 20px 20px;
        }
    }

/* roulang page: category1 */
:root {
  --primary: #ff6b35;
  --primary-dark: #e8521f;
  --secondary: #7c5cfc;
  --accent: #ffc21a;
  --dark: #141b2d;
  --darker: #0e1322;
  --light-bg: #f6f7fb;
  --white: #ffffff;
  --text: #1e2a3d;
  --text-weak: #66758c;
  --border: #e6e9f2;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 14px rgba(20, 27, 45, 0.06);
  --shadow-md: 0 10px 30px rgba(20, 27, 45, 0.08);
  --shadow-lg: 0 18px 44px rgba(20, 27, 45, 0.12);
  --space: 24px;
  --transition: all 0.3s ease;
  --sidebar-width: 248px;
  --font-base: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-base);
  background: var(--light-bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
ul, ol {
  list-style: none;
}
button, input {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(124, 92, 252, 0.5);
  outline-offset: 2px;
}
::selection {
  background: rgba(255, 107, 53, 0.2);
}

/* 布局 */
.layout {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  background: linear-gradient(180deg, #161f39 0%, #1d1535 50%, #20153d 100%);
  color: rgba(255, 255, 255, 0.82);
  display: flex;
  flex-direction: column;
  padding: 26px 18px 20px;
  z-index: 100;
}
.sidebar-brand {
  margin-bottom: 34px;
}
.sidebar-brand a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
  transition: var(--transition);
}
.sidebar-brand a:hover {
  color: var(--accent);
}
.sidebar-brand i {
  font-size: 24px;
  color: var(--accent);
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}
.sidebar-nav-item i {
  width: 20px;
  text-align: center;
  font-size: 16px;
}
.sidebar-nav-item:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--accent);
}
.sidebar-nav-item.active {
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.85), rgba(255, 107, 53, 0.65));
  color: #fff;
  box-shadow: 0 6px 18px rgba(255, 107, 53, 0.28);
}
.sidebar-nav-item.active::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 22px;
  border-radius: 4px;
  background: #fff;
}
.sidebar-foot {
  margin-top: auto;
  padding: 14px 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.62);
}
.sidebar-foot .dot {
  width: 8px;
  height: 8px;
  background: #32d583;
  border-radius: 50%;
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(50, 213, 131, 0.55); }
  50% { box-shadow: 0 0 0 6px rgba(50, 213, 131, 0); }
}
.main-wrapper {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

/* 栏目页 Hero */
.page-hero {
  position: relative;
  background: url("/assets/images/backpic/back-1.png") center center / cover no-repeat;
  padding: 110px 0 84px;
  color: #fff;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(11, 18, 38, 0.92) 10%, rgba(11, 18, 38, 0.68) 60%, rgba(255, 107, 53, 0.32) 100%);
}
.page-hero .container {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.68);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb .sep {
  opacity: 0.5;
}
.hero-title {
  font-size: 44px;
  line-height: 1.24;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.hero-title span {
  color: var(--accent);
}
.hero-desc {
  font-size: 17px;
  max-width: 640px;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 30px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.4;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 8px 22px rgba(255, 107, 53, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(255, 107, 53, 0.45);
}
.btn-outline {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}
.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.14);
}

/* 实时状态条 */
.live-bar {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 720px;
}
.live-stat {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
  border-radius: 14px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.live-stat i {
  font-size: 24px;
  color: var(--accent);
}
.live-stat .num {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}
.live-stat .label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.75);
}

/* 通用板块 */
.section {
  padding: 80px 0;
}
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 107, 53, 0.1);
  color: var(--primary-dark);
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}
.section-title {
  font-size: 34px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.section-desc {
  color: var(--text-weak);
  font-size: 16px;
  line-height: 1.8;
}

/* 步骤 */
.steps-section {
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.steps-section::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.25), transparent 70%);
  border-radius: 50%;
}
.steps-section .section-title {
  color: #fff;
}
.steps-section .section-desc {
  color: rgba(255, 255, 255, 0.6);
}
.steps-section .section-tag {
  background: rgba(255, 107, 53, 0.2);
  color: var(--accent);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}
.step-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 34px 24px;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}
.step-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 194, 26, 0.4);
}
.step-no {
  font-size: 40px;
  font-weight: 800;
  color: rgba(255, 107, 53, 0.35);
  line-height: 1;
  margin-bottom: 18px;
  font-style: italic;
}
.step-card h3 {
  color: #fff;
  font-size: 18px;
  margin-bottom: 10px;
}
.step-card p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 1.75;
}
.step-icon {
  position: absolute;
  top: 26px;
  right: 22px;
  width: 44px;
  height: 44px;
  background: rgba(255, 194, 26, 0.12);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 18px;
}

/* 功能卡片 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 30px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: rgba(124, 92, 252, 0.3);
}
.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
  color: #fff;
}
.feature-icon.orange {
  background: linear-gradient(135deg, var(--primary), #ff9f68);
}
.feature-icon.purple {
  background: linear-gradient(135deg, var(--secondary), #a18cff);
}
.feature-icon.green {
  background: linear-gradient(135deg, #22c55e, #67e58b);
}
.feature-icon.blue {
  background: linear-gradient(135deg, #3b82f6, #7ba9ff);
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}
.feature-card p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.75;
}

/* 图文详解 */
.media-section {
  background: var(--white);
}
.media-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 64px;
}
.media-item:nth-child(even) .media-img {
  order: 2;
}
.media-item:nth-child(even) .media-content {
  order: 1;
}
.media-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
}
.media-img img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.media-img:hover img {
  transform: scale(1.04);
}
.media-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(20, 27, 45, 0.25), rgba(20, 27, 45, 0.02));
  pointer-events: none;
}
.media-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: rgba(255, 194, 26, 0.92);
  color: #1e1e1e;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
}
.media-content h3 {
  font-size: 23px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 14px;
  line-height: 1.4;
}
.media-content p {
  color: var(--text-weak);
  line-height: 1.85;
  margin-bottom: 18px;
}
.media-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.media-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
}
.media-list li i {
  color: var(--primary);
  margin-top: 4px;
}

/* 数据指标 */
.stats-band {
  background: linear-gradient(135deg, #191c33, #242a4a);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.stats-band::before {
  content: "";
  position: absolute;
  bottom: -80px;
  left: 40px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(124, 92, 252, 0.3), transparent 70%);
  border-radius: 50%;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}
.stat-box {
  text-align: center;
  padding: 26px 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  transition: var(--transition);
}
.stat-box:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: scale(1.03);
}
.stat-num {
  font-size: 38px;
  font-weight: 800;
  background: linear-gradient(135deg, #fff, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.stat-label {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

/* 公告动态 */
.event-section {
  background: var(--light-bg);
}
.event-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.event-item {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  transition: var(--transition);
}
.event-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(6px);
  border-color: rgba(255, 107, 53, 0.4);
}
.event-date {
  flex-shrink: 0;
  width: 66px;
  text-align: center;
  background: rgba(255, 107, 53, 0.08);
  border-radius: 10px;
  padding: 8px 4px;
}
.event-date .day {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-dark);
  display: block;
  line-height: 1.2;
}
.event-date .mon {
  font-size: 12px;
  color: var(--text-weak);
}
.event-info h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 2px;
}
.event-info p {
  font-size: 13px;
  color: var(--text-weak);
}

/* FAQ */
.faq-section {
  background: var(--white);
}
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(255, 107, 53, 0.3);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--dark);
  font-size: 15px;
}
.faq-q i {
  color: var(--primary);
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.open .faq-q i {
  transform: rotate(180deg);
}
.faq-a {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.8;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.open .faq-a {
  max-height: 320px;
  padding: 0 24px 22px;
}

/* CTA */
.cta-section {
  padding: 76px 0;
}
.cta-box {
  position: relative;
  background: url("/assets/images/backpic/back-2.png") center center / cover no-repeat;
  border-radius: 24px;
  overflow: hidden;
  padding: 54px 50px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-lg);
}
.cta-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(20, 27, 45, 0.95), rgba(20, 27, 45, 0.75), rgba(255, 107, 53, 0.45));
}
.cta-box > * {
  position: relative;
  z-index: 2;
}
.cta-content h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}
.cta-content p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
}
.cta-right {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
}
.cta-countdown {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  gap: 8px;
}
.cta-countdown .cd-num {
  font-size: 20px;
  font-weight: 800;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

/* 页脚 */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.72);
  padding: 64px 0 0;
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand h3 {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}
.footer-brand h3 i {
  color: var(--accent);
  margin-right: 4px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
}
.footer h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* 响应式 */
@media (max-width: 1100px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 860px) {
  .container {
    padding: 0 20px;
  }
  .sidebar {
    position: static;
    width: 100%;
    height: auto;
    padding: 14px 20px;
  }
  .sidebar-brand {
    margin-bottom: 10px;
  }
  .sidebar-nav {
    flex-direction: row;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 4px;
  }
  .sidebar-nav-item {
    white-space: nowrap;
    padding: 10px 16px;
  }
  .sidebar-foot {
    display: none;
  }
  .layout {
    flex-direction: column;
  }
  .main-wrapper {
    width: 100%;
  }
  .media-item {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .media-item:nth-child(even) .media-img,
  .media-item:nth-child(even) .media-content {
    order: 0;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-title {
    font-size: 34px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 580px) {
  .hero-title {
    font-size: 28px;
  }
  .hero-desc {
    font-size: 15px;
  }
  .live-bar {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 56px 0;
  }
  .section-title {
    font-size: 26px;
  }
  .features-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .cta-box {
    padding: 36px 26px;
  }
  .cta-content h2 {
    font-size: 22px;
  }
  .cta-right {
    text-align: left;
    align-items: flex-start;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .footer-bottom {
    flex-direction: column;
  }
  .media-img img {
    height: 200px;
  }
  .container {
    padding: 0 16px;
  }
}

/* roulang page: category2 */
:root {
  --primary: #ff4757;
  --primary-dark: #e63946;
  --primary-light: #ff6b81;
  --secondary: #2ed573;
  --secondary-dark: #1eaa55;
  --accent: #ffa502;
  --bg: #f6f8fc;
  --bg-dark: #0f172a;
  --bg-sidebar: #1a1d27;
  --bg-card: #ffffff;
  --text-main: #1e2a3a;
  --text-weak: #6b7a90;
  --text-light: #95a4b9;
  --border: #e6ebf2;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
  --shadow-primary: 0 6px 24px rgba(255, 71, 87, 0.32);
  --space: 72px;
  --transition: all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

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

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 280px;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  background: var(--bg-sidebar);
  z-index: 100;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  transition: transform 0.3s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 28px 24px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand .brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
  flex-shrink: 0;
}

.sidebar-brand .brand-text {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
  line-height: 1.3;
}

.sidebar-nav {
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 16px;
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}

.sidebar-nav-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  transform: translateX(4px);
}

.sidebar-nav-item.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 16px rgba(255, 71, 87, 0.28);
}

.sidebar-nav-item i {
  width: 22px;
  text-align: center;
  font-size: 16px;
}

.sidebar-foot {
  margin-top: auto;
  padding: 20px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-foot p {
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
  line-height: 1.5;
}

.main-area {
  margin-left: 280px;
  width: calc(100% - 280px);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.mobile-topbar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--bg-sidebar);
  z-index: 120;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.mobile-topbar .mobile-brand {
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.mobile-topbar .mobile-brand i {
  color: var(--primary-light);
}

.mobile-menu-btn {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  border-radius: 10px;
  transition: background 0.2s;
}

.mobile-menu-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.mobile-sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
  backdrop-filter: blur(2px);
}

.hero {
  position: relative;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 100px 0 80px;
  color: #fff;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.7) 50%, rgba(255, 71, 87, 0.35) 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
  color: #fff;
}

.hero-tag i {
  color: var(--accent);
}

.hero h1 {
  font-size: 52px;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  max-width: 620px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(255, 71, 87, 0.45);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  backdrop-filter: blur(6px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.24);
  transform: translateY(-3px);
  border-color: #fff;
}

.hero-live-bar {
  position: relative;
  z-index: 1;
  margin-top: 56px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.live-dot {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
}

.live-dot::before {
  content: '';
  width: 10px;
  height: 10px;
  background: var(--secondary);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
  box-shadow: 0 0 0 0 rgba(46, 213, 115, 0.6);
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(46, 213, 115, 0.6);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(46, 213, 115, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(46, 213, 115, 0);
  }
}

.live-countdown {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
}

.live-countdown .countdown-box {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 4px 10px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 16px;
  color: var(--accent);
  min-width: 36px;
  text-align: center;
}

.live-countdown .countdown-unit {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

.live-tag {
  margin-left: auto;
  background: rgba(255, 71, 87, 0.25);
  border: 1px solid rgba(255, 71, 87, 0.4);
  color: #fff;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
}

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

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.5px;
  position: relative;
}

.section-title::after {
  content: '';
  width: 44px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 4px;
  display: block;
  margin-top: 12px;
}

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

.section-sub {
  color: var(--text-weak);
  font-size: 16px;
  max-width: 520px;
  line-height: 1.6;
}

.event-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.event-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}

.event-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.event-card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.event-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.event-card:hover .event-card-image img {
  transform: scale(1.05);
}

.event-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(0, 0, 0, 0.55));
}

.event-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(255, 71, 87, 0.3);
}

.event-card-body {
  padding: 24px;
}

.event-card-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}

.event-card-body p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.65;
  margin-bottom: 16px;
}

.event-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-light);
  font-size: 13px;
  margin-bottom: 18px;
}

.event-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.event-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition);
}

.event-card-btn:hover {
  gap: 12px;
  color: var(--primary-dark);
}

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

.activity-list {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

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

.activity-item:hover {
  background: #fafbfe;
}

.activity-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255, 71, 87, 0.1), rgba(255, 165, 2, 0.1));
  border: 1px solid rgba(255, 71, 87, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
  flex-shrink: 0;
}

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

.activity-info h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
}

.activity-info p {
  font-size: 14px;
  color: var(--text-weak);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.activity-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--secondary-dark);
  flex-shrink: 0;
}

.activity-status::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--secondary);
  border-radius: 50%;
  display: inline-block;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}

.stat-card:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-4px);
}

.stat-card .stat-num {
  font-size: 42px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-card .stat-label {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--primary);
  transition: var(--transition);
  position: relative;
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.step-num {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(255, 71, 87, 0.08);
  padding: 4px 12px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.6;
}

.faq-section {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 22px 4px;
  transition: var(--transition);
}

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

.faq-question {
  font-size: 17px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  user-select: none;
  transition: color 0.2s;
}

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

.faq-question i {
  color: var(--primary);
  font-size: 14px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.faq-answer {
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.7;
  margin-top: 10px;
  padding-left: 34px;
  display: none;
}

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

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

.cta-section {
  position: relative;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  padding: 90px 0;
  color: #fff;
  text-align: center;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.82);
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

.cta-section h2 {
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.3;
}

.cta-section p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
  line-height: 1.7;
}

.cta-btn-group {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer {
  background: var(--bg-sidebar);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px 48px;
}

.footer-brand h3 {
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand h3 i {
  color: var(--primary-light);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
  max-width: 280px;
}

.footer h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 1280px;
  margin: 0 auto;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a:hover {
  color: var(--primary-light);
}

@media (max-width: 1200px) {
  .event-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid,
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-110%);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-area {
    margin-left: 0;
    width: 100%;
  }

  .mobile-topbar {
    display: flex;
  }

  .mobile-sidebar-backdrop.show {
    display: block;
  }

  .main-area .hero {
    padding-top: 120px;
  }

  .hero h1 {
    font-size: 40px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 26px;
  }

  .hero {
    padding: 90px 0 60px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero p {
    font-size: 15px;
  }

  .hero-actions .btn {
    padding: 12px 24px;
    font-size: 14px;
  }

  .hero-live-bar {
    padding: 16px;
    gap: 14px;
    margin-top: 40px;
  }

  .live-tag {
    margin-left: 0;
  }

  .event-cards {
    grid-template-columns: 1fr;
  }

  .activity-item {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    gap: 12px;
  }

  .activity-status {
    align-self: flex-start;
  }

  .stats-grid,
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }

  .footer-bottom {
    justify-content: center;
    text-align: center;
    padding: 16px 20px;
  }

  .faq-section {
    padding: 24px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 26px;
  }

  .hero p {
    font-size: 14px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    justify-content: center;
  }

  .live-countdown {
    flex-wrap: wrap;
  }

  .hero-tag {
    font-size: 12px;
    padding: 6px 14px;
  }

  .section-title {
    font-size: 24px;
  }

  .event-card-body {
    padding: 20px;
  }

  .activity-info p {
    white-space: normal;
  }

  .cta-section h2 {
    font-size: 28px;
  }

  .cta-btn-group {
    flex-direction: column;
  }
}

:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* roulang page: article */
:root {
    --primary: #FF6B35;
    --primary-dark: #E85A26;
    --primary-light: #FF8A66;
    --secondary: #6C4DF6;
    --accent: #00C9A7;
    --dark: #0B1220;
    --dark-2: #101A2E;
    --text: #1F2937;
    --text-weak: #6B7280;
    --bg: #F4F6FB;
    --card: #FFFFFF;
    --border: #E5E7EB;
    --radius: 18px;
    --radius-sm: 12px;
    --shadow: 0 8px 30px rgba(16, 24, 40, .08);
    --shadow-hover: 0 16px 40px rgba(255, 107, 53, .18);
    --sidebar-width: 260px;
    --spacing: 24px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

ul,
ol {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color .2s ease;
}

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

button,
input {
    font-family: inherit;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    border: none;
    cursor: pointer;
    transition: all .25s ease;
    white-space: nowrap;
    line-height: 1.4;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 20px rgba(255, 107, 53, .28);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(255, 107, 53, .38);
}

.btn-outline {
    border: 1px solid rgba(255, 255, 255, .5);
    color: #fff;
    background: transparent;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, .12);
    transform: translateY(-2px);
}

.btn-ghost {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
}

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

.btn-large {
    padding: 15px 34px;
    font-size: 16px;
    border-radius: 14px;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    color: var(--text-weak);
}

.chip i {
    color: var(--primary);
}

.app-shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #0E1728, #0A101F);
    display: flex;
    flex-direction: column;
    padding: 28px 18px;
    z-index: 100;
    border-right: 1px solid rgba(255, 255, 255, .05);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 8px;
    margin-bottom: 42px;
}

.logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), #FF9A3D);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    box-shadow: 0 8px 20px rgba(255, 107, 53, .35);
    flex-shrink: 0;
}

.logo-text {
    color: #fff;
    font-size: 16px;
    font-weight: 800;
    letter-spacing: .3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 13px 16px;
    border-radius: 14px;
    color: #8C9BB0;
    font-weight: 500;
    font-size: 15px;
    transition: all .25s ease;
}

.sidebar-nav-item i {
    width: 20px;
    text-align: center;
    font-size: 16px;
    color: #5A6B82;
    transition: color .25s;
}

.sidebar-nav-item:hover {
    background: rgba(255, 255, 255, .06);
    color: #fff;
}

.sidebar-nav-item:hover i {
    color: var(--primary);
}

.sidebar-nav-item.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 10px 26px rgba(255, 107, 53, .35);
}

.sidebar-nav-item.active i {
    color: #fff;
}

.sidebar-status {
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .07);
    border-radius: 16px;
    padding: 18px 16px;
    margin-top: 18px;
}

.status-head {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #E8EDF5;
    font-size: 14px;
    font-weight: 600;
}

.pulse-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #00E6A8;
    box-shadow: 0 0 0 0 rgba(0, 230, 168, .6);
    animation: pulse 2s infinite;
    flex-shrink: 0;
}

.status-text {
    color: #6B7C93;
    font-size: 13px;
    margin-top: 6px;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 230, 168, .5);
    }
    70% {
        box-shadow: 0 0 0 8px rgba(0, 230, 168, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 230, 168, 0);
    }
}

.main-area {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
}

.article-hero {
    padding: 70px 0 80px;
    background-image: linear-gradient(105deg, rgba(10, 17, 31, .94), rgba(10, 17, 31, .74) 55%, rgba(255, 107, 53, .36)), url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    color: #fff;
}

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

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, .7);
    margin-bottom: 18px;
}

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

.breadcrumb span {
    color: rgba(255, 255, 255, .45);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 107, 53, .18);
    border: 1px solid rgba(255, 107, 53, .4);
    color: #FFB088;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.article-hero h1 {
    font-size: 38px;
    line-height: 1.3;
    font-weight: 800;
    max-width: 780px;
    margin-bottom: 16px;
    word-break: break-word;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    font-size: 14px;
    color: rgba(255, 255, 255, .72);
}

.article-meta i {
    margin-right: 6px;
    color: var(--primary);
}

.ticker-bar {
    background: var(--dark-2);
    border-top: 1px solid rgba(255, 255, 255, .05);
    border-bottom: 1px solid rgba(255, 255, 255, .05);
    color: #B9C3D4;
    padding: 12px 0;
    font-size: 14px;
}

.ticker-container {
    display: flex;
    align-items: center;
    gap: 14px;
}

.ticker-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 107, 53, .16);
    color: var(--primary-light);
    padding: 4px 12px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 13px;
    white-space: nowrap;
}

.ticker-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.article-section {
    padding: 44px 0 56px;
}

.article-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 32px;
    align-items: start;
}

.article-main {
    min-width: 0;
}

.article-body {
    background: #fff;
    border-radius: 20px;
    padding: 40px 42px;
    box-shadow: var(--shadow);
}

.article-cover {
    margin-bottom: 28px;
}

.article-cover img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(16, 24, 40, .1);
}

.article-body p {
    margin-bottom: 20px;
    color: #3A4356;
    font-size: 16px;
}

.article-body h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 32px 0 16px;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    color: var(--dark);
}

.article-body h3 {
    font-size: 19px;
    font-weight: 700;
    margin: 24px 0 12px;
    color: var(--dark);
}

.article-body img {
    border-radius: 16px;
    margin: 24px 0;
    box-shadow: 0 10px 30px rgba(16, 24, 40, .1);
}

.article-body ul {
    margin: 0 0 20px;
}

.article-body ul li {
    position: relative;
    padding-left: 26px;
    margin-bottom: 10px;
    color: #3A4356;
}

.article-body ul li::before {
    content: '\f058';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--primary);
}

.article-body blockquote {
    background: var(--bg);
    border-left: 4px solid var(--primary);
    border-radius: 12px;
    padding: 16px 20px;
    margin: 24px 0;
    color: #4A5568;
}

.article-body a {
    color: var(--primary);
    font-weight: 600;
}

.article-body a:hover {
    text-decoration: underline;
}

.empty-tip {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-weak);
}

.empty-tip i {
    font-size: 44px;
    color: var(--border);
    margin-bottom: 16px;
}

.not-found {
    text-align: center;
    padding: 60px 20px;
}

.not-found i {
    font-size: 52px;
    color: var(--border);
    margin-bottom: 18px;
}

.not-found h1 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--dark);
}

.not-found p {
    color: var(--text-weak);
    margin-bottom: 24px;
}

.article-tools {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    background: #fff;
    border-radius: 16px;
    padding: 18px 24px;
    margin-top: 20px;
    box-shadow: var(--shadow);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.share-links {
    display: flex;
    gap: 8px;
}

.share-btn {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-weak);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .25s ease;
    cursor: pointer;
    font-size: 15px;
}

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

.article-footer-bar {
    margin-top: 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}

.article-sidebar {
    position: sticky;
    top: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.side-card {
    background: #fff;
    border-radius: 18px;
    padding: 22px;
    box-shadow: var(--shadow);
}

.side-card-primary {
    background: linear-gradient(135deg, #0E1728, #1D2B45);
    color: #fff;
}

.side-card-primary .live-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    margin: 12px 0 4px;
}

.side-card-primary p {
    color: #8C9BB0;
    font-size: 14px;
}

.side-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--dark);
}

.side-card-primary h3 {
    color: #fff;
}

.side-card h3 i {
    color: var(--primary);
}

.side-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.side-list a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    color: var(--text);
    font-weight: 500;
    transition: all .2s;
}

.side-list a i {
    color: var(--primary);
    width: 18px;
    text-align: center;
}

.side-list a:hover {
    background: var(--bg);
    color: var(--primary);
    padding-left: 16px;
}

.feature-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--bg);
    border-radius: 12px;
    font-weight: 500;
    font-size: 14px;
}

.feature-list li i {
    color: var(--primary);
}

.recommend-section {
    padding: 56px 0;
    background: var(--bg);
}

.section-head {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 32px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 10px;
}

.section-head h2 {
    font-size: 30px;
    font-weight: 800;
    color: var(--dark);
}

.section-head p {
    color: var(--text-weak);
    margin-top: 8px;
    max-width: 560px;
}

.recommend-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.recommend-card {
    background: #fff;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all .3s ease;
}

.recommend-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.recommend-card .card-img {
    height: 160px;
    overflow: hidden;
    position: relative;
}

.recommend-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}

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

.recommend-card .card-body {
    padding: 20px 22px 24px;
}

.recommend-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.recommend-card p {
    font-size: 14px;
    color: var(--text-weak);
    margin-bottom: 14px;
}

.recommend-card .card-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-link {
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap .25s ease;
}

.card-link:hover {
    gap: 10px;
}

.faq-section {
    padding: 56px 0;
    background: #fff;
}

.faq-wrap {
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 18px 22px;
    margin-bottom: 14px;
    transition: all .25s ease;
}

.faq-item:hover {
    border-color: rgba(255, 107, 53, .35);
    box-shadow: 0 8px 24px rgba(16, 24, 40, .05);
}

.faq-item h3 {
    font-size: 17px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark);
    margin-bottom: 8px;
}

.faq-item h3 i {
    color: var(--primary);
}

.faq-item p {
    color: var(--text-weak);
    font-size: 15px;
    padding-left: 26px;
}

.cta-section {
    padding: 56px 0 46px;
}

.cta-banner {
    background-image: linear-gradient(120deg, rgba(10, 17, 31, .94), rgba(18, 26, 52, .86), rgba(123, 59, 30, .55)), url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    border-radius: 28px;
    padding: 50px 46px;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(11, 18, 32, .25);
}

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 230, 168, .12);
    color: #00E6A8;
    border: 1px solid rgba(0, 230, 168, .35);
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 14px;
}

.countdown-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 107, 53, .18);
    color: #FFB088;
    border: 1px solid rgba(255, 107, 53, .4);
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    margin-left: 10px;
}

.cta-banner h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 10px;
}

.cta-banner p {
    color: #C7D0E0;
    max-width: 560px;
}

.cta-action {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    flex-shrink: 0;
}

.footer {
    background: #0B1220;
    color: #8C9BB0;
    padding: 50px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 36px;
    padding-bottom: 36px;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.footer-brand h3 {
    color: #fff;
    font-size: 20px;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-brand h3 i {
    color: var(--primary);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
}

.footer h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: #8C9BB0;
    font-size: 14px;
    transition: all .2s ease;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding: 20px 0;
    font-size: 14px;
    color: #5A6B82;
}

.mobile-header {
    display: none;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(11, 18, 32, .96);
    backdrop-filter: blur(12px);
    padding: 14px 18px;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.mobile-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-weight: 800;
    font-size: 15px;
    min-width: 0;
}

.mobile-logo .logo-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    font-size: 15px;
}

.mobile-toggle {
    background: rgba(255, 255, 255, .08);
    border: none;
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background .2s;
}

.mobile-toggle:hover {
    background: rgba(255, 255, 255, .16);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 62px;
    left: 0;
    right: 0;
    background: #0D1526;
    z-index: 999;
    padding: 16px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
    box-shadow: 0 20px 40px rgba(0, 0, 0, .3);
}

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

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mobile-nav a {
    color: #B9C3D4;
    padding: 12px 14px;
    border-radius: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all .2s;
}

.mobile-nav a:hover {
    background: rgba(255, 255, 255, .06);
    color: #fff;
}

.mobile-nav a.active {
    background: rgba(255, 107, 53, .15);
    color: var(--primary);
}

@media (max-width: 1100px) {
    :root {
        --sidebar-width: 220px;
    }
    .container {
        padding: 0 20px;
    }
}

@media (max-width: 992px) {
    .sidebar {
        display: none;
    }
    .mobile-header {
        display: flex;
    }
    .main-area {
        margin-left: 0;
    }
    .article-grid {
        grid-template-columns: 1fr;
    }
    .article-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .recommend-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .cta-banner {
        flex-direction: column;
        text-align: center;
        padding: 40px 28px;
    }
    .cta-action {
        justify-content: center;
    }
}

@media (max-width: 640px) {
    body {
        font-size: 15px;
    }
    .article-hero {
        padding: 46px 0 54px;
    }
    .article-hero h1 {
        font-size: 26px;
    }
    .article-meta {
        gap: 12px;
        font-size: 13px;
    }
    .article-body {
        padding: 22px 18px;
        border-radius: 14px;
    }
    .article-body h2 {
        font-size: 21px;
    }
    .article-tools {
        flex-direction: column;
        align-items: flex-start;
    }
    .article-sidebar {
        grid-template-columns: 1fr;
    }
    .recommend-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .cta-banner {
        padding: 36px 22px;
    }
    .cta-banner h2 {
        font-size: 24px;
    }
    .section-head h2 {
        font-size: 25px;
    }
    .ticker-text {
        white-space: normal;
    }
    .ticker-container {
        align-items: flex-start;
    }
}

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #ff6b35;
            --primary-dark: #e85a2a;
            --primary-light: #fff3ed;
            --accent: #ffc107;
            --accent-light: #fff8e1;
            --dark: #1a1d29;
            --dark-800: #232736;
            --dark-700: #2e3345;
            --bg: #f5f7fb;
            --card-bg: #ffffff;
            --text: #1a1d29;
            --text-muted: #6b7280;
            --border: #e5e7eb;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 32px rgba(255, 107, 53, 0.14);
            --shadow-nav: 2px 0 20px rgba(0, 0, 0, 0.05);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --sidebar-width: 240px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select {
            font-family: inherit;
            border: none;
            outline: none;
        }
        ul {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 左侧导航布局 ===== */
        .layout-wrapper {
            display: flex;
            min-height: 100vh;
        }
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: linear-gradient(180deg, var(--dark) 0%, #141726 100%);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            box-shadow: var(--shadow-nav);
            transition: transform 0.4s ease;
        }
        .sidebar-brand {
            padding: 36px 24px 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
        }
        .sidebar-brand a {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .sidebar-brand i {
            color: var(--primary);
            font-size: 26px;
        }
        .sidebar-nav {
            flex: 1;
            padding: 24px 16px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .sidebar-nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.65);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .sidebar-nav-item i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }
        .sidebar-nav-item:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            transform: translateX(4px);
        }
        .sidebar-nav-item.active {
            background: rgba(255, 107, 53, 0.15);
            color: var(--primary);
            font-weight: 600;
        }
        .sidebar-nav-item.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background: var(--primary);
            border-radius: 0 4px 4px 0;
        }
        .sidebar-footer-tip {
            padding: 20px 20px 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
        }
        .sidebar-footer-tip .status {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .sidebar-footer-tip .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #22c55e;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
            50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
        }

        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        /* ===== 移动端顶栏 ===== */
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(26, 29, 41, 0.95);
            backdrop-filter: blur(12px);
            padding: 14px 20px;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-topbar .brand {
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-topbar .brand i {
            color: var(--primary);
        }
        .menu-toggle {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 18px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        /* ===== Banner 区域 ===== */
        .page-banner {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, rgba(26, 29, 41, 0.92), rgba(26, 29, 41, 0.75)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(transparent, var(--bg));
            pointer-events: none;
        }
        .banner-inner {
            position: relative;
            z-index: 1;
            max-width: 760px;
        }
        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
        }
        .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .banner-breadcrumb a:hover {
            color: var(--accent);
        }
        .banner-breadcrumb i {
            font-size: 12px;
        }
        .page-banner h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .page-banner h1 span {
            color: var(--accent);
        }
        .page-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 620px;
        }
        .banner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.45);
        }
        .btn-ghost {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
        }
        .btn-ghost:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        /* ===== 板块基础 ===== */
        .section {
            padding: 80px 0;
        }
        .section-header {
            margin-bottom: 44px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 15px;
            margin-top: 8px;
        }
        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 8px 18px;
            border: 1.5px solid var(--primary);
            border-radius: 50px;
            transition: var(--transition);
        }
        .section-link:hover {
            background: var(--primary);
            color: #fff;
            transform: translateX(4px);
        }

        /* ===== 实时状态条 ===== */
        .live-ticker {
            background: linear-gradient(90deg, var(--primary), #ff8f5e);
            padding: 10px 0;
            position: relative;
            overflow: hidden;
        }
        .live-ticker .container {
            display: flex;
            align-items: center;
            gap: 16px;
            overflow: hidden;
        }
        .ticker-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.2);
            padding: 3px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            backdrop-filter: blur(4px);
        }
        .ticker-label i {
            animation: ping 1.5s infinite;
        }
        @keyframes ping {
            0% { transform: scale(1); }
            50% { transform: scale(1.2); }
            100% { transform: scale(1); }
        }
        .ticker-text {
            color: rgba(255, 255, 255, 0.95);
            font-size: 14px;
            white-space: nowrap;
            animation: slide-in 0.6s ease;
        }
        .ticker-items {
            display: flex;
            gap: 32px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.9);
            overflow: hidden;
            white-space: nowrap;
        }
        .ticker-items span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .ticker-items i {
            opacity: 0.9;
        }

        /* ===== 热门游戏网格 ===== */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .game-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .game-card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .game-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .game-card:hover .game-card-img img {
            transform: scale(1.08);
        }
        .game-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(transparent 50%, rgba(0, 0, 0, 0.6));
        }
        .game-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            backdrop-filter: blur(4px);
            z-index: 2;
        }
        .badge-hot {
            background: rgba(255, 107, 53, 0.9);
            color: #fff;
        }
        .badge-new {
            background: rgba(34, 197, 94, 0.9);
            color: #fff;
        }
        .badge-top {
            background: rgba(255, 193, 7, 0.92);
            color: #1a1d29;
        }
        .game-card-body {
            padding: 22px 20px 20px;
        }
        .game-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .game-rating {
            color: var(--accent);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 2px;
        }
        .game-card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .game-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .game-meta .tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .tag {
            font-size: 12px;
            padding: 2px 10px;
            background: var(--bg);
            border-radius: 20px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .game-meta .play-btn {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: var(--transition);
        }
        .game-meta .play-btn:hover {
            background: var(--primary-dark);
            transform: scale(1.15);
        }

        /* ===== 排行榜 ===== */
        .rank-section {
            background: var(--dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .rank-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.1);
        }
        .rank-section .section-header h2 {
            color: #fff;
        }
        .rank-section .section-header p {
            color: rgba(255, 255, 255, 0.6);
        }
        .rank-section .section-tag {
            background: rgba(255, 107, 53, 0.2);
            color: var(--primary);
        }
        .rank-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
            cursor: pointer;
        }
        .rank-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateX(8px);
            border-color: rgba(255, 107, 53, 0.4);
        }
        .rank-num {
            font-size: 18px;
            font-weight: 800;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            flex-shrink: 0;
        }
        .rank-item:nth-child(1) .rank-num,
        .rank-item:nth-child(2) .rank-num,
        .rank-item:nth-child(3) .rank-num {
            background: var(--primary);
            color: #fff;
        }
        .rank-info {
            flex: 1;
        }
        .rank-info h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .rank-info p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }
        .rank-trend {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #22c55e;
            font-weight: 600;
        }
        .rank-trend.down {
            color: #ef4444;
        }
        .rank-cover {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
        }
        .rank-cover img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .rank-cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(transparent 40%, rgba(0, 0, 0, 0.85));
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 28px;
        }
        .rank-cover-overlay h3 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 6px;
        }
        .rank-cover-overlay p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
        }

        /* ===== 游戏类型分类 ===== */
        .type-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .type-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .type-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .type-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            transition: var(--transition);
        }
        .type-card:hover .type-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(-8deg) scale(1.05);
        }
        .type-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .type-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .type-count {
            display: inline-block;
            margin-top: 12px;
            padding: 3px 12px;
            background: var(--bg);
            border-radius: 20px;
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* ===== 体验反馈 ===== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }
        .testimonial-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .testimonial-card .quote-icon {
            font-size: 32px;
            color: var(--primary);
            opacity: 0.3;
            margin-bottom: 14px;
        }
        .testimonial-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
        }
        .testimonial-user h4 {
            font-size: 15px;
            font-weight: 600;
        }
        .testimonial-user p {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
        }

        /* ===== 攻略/指南区块 ===== */
        .guide-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .guide-img {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            position: relative;
        }
        .guide-img img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }
        .guide-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(transparent 60%, rgba(0, 0, 0, 0.35));
            pointer-events: none;
        }
        .guide-content .section-tag {
            margin-bottom: 12px;
        }
        .guide-content h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .guide-content>p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 15px;
        }
        .guide-steps {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 28px;
        }
        .guide-step {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .step-num {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 800;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .guide-step h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .guide-step p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--card-bg);
        }
        .faq-layout {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg);
            border-radius: var(--radius-sm);
            padding: 22px 26px;
            margin-bottom: 12px;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .faq-item:hover {
            border-color: var(--primary);
            background: var(--primary-light);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 16px;
            font-weight: 600;
        }
        .faq-question i {
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 100px 0;
            background: linear-gradient(135deg, var(--primary) 0%, #ff8a50 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
            color: #fff;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -120px;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }
        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
        }
        .cta-section p {
            font-size: 16px;
            opacity: 0.9;
            margin-bottom: 32px;
            position: relative;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }
        .btn-white:hover {
            background: var(--accent);
            color: #1a1d29;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
        }
        .btn-outline-white {
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand h3 i {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            opacity: 0.7;
            max-width: 320px;
        }
        .footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .games-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .type-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rank-layout {
                grid-template-columns: 1fr;
            }
            .rank-cover {
                max-width: 560px;
            }
            .guide-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .guide-img img {
                height: 320px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.mobile-open {
                transform: translateX(0);
                width: min(300px, 85vw);
            }
            .mobile-topbar {
                display: flex;
            }
            .main-content {
                margin-left: 0;
            }
            .page-banner {
                padding: 48px 0 40px;
                text-align: center;
            }
            .banner-inner {
                margin: 0 auto;
            }
            .banner-breadcrumb {
                justify-content: center;
            }
            .page-banner h1 {
                font-size: 28px;
            }
            .page-banner p {
                font-size: 15px;
            }
            .banner-actions {
                justify-content: center;
            }
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .ticker-items {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .games-grid,
            .type-grid,
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .guide-img img {
                height: 240px;
            }
            .games-grid {
                gap: 20px;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .btn {
                padding: 12px 22px;
                font-size: 14px;
            }
            .page-banner h1 {
                font-size: 24px;
            }
            .rank-item {
                padding: 10px 14px;
            }
            .rank-num {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
        }

        @media (max-width: 400px) {
            .type-grid {
                grid-template-columns: 1fr;
            }
        }