/* roulang page: index */
/* ===== Reset & Base ===== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'Noto Sans', sans-serif;
        font-size: 16px;
        line-height: 1.6;
        color: #1e293b;
        background: #f0f2f5;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color 0.25s, opacity 0.25s;
    }
    a:hover,
    a:focus-visible {
        color: #c8962e;
        outline: none;
    }
    a:focus-visible {
        outline: 2px solid #c8962e;
        outline-offset: 2px;
        border-radius: 4px;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: 12px;
    }
    button,
    input,
    textarea {
        font: inherit;
        border: none;
        outline: none;
    }
    button {
        cursor: pointer;
        background: none;
    }
    ul,
    ol {
        list-style: none;
    }
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        font-weight: 700;
        line-height: 1.25;
        color: #0f172a;
    }

    /* ===== Design Variables ===== */
    :root {
        --primary: #0f1d33;
        --primary-light: #1a2d4a;
        --accent: #d4a853;
        --accent-hover: #e8bc5e;
        --accent-light: rgba(212, 168, 83, 0.12);
        --bg-body: #f0f2f5;
        --bg-card: #ffffff;
        --bg-dark: #0a1628;
        --bg-dark-alt: #0f1d33;
        --text-main: #1e293b;
        --text-muted: #64748b;
        --text-light: #94a3b8;
        --text-white: #f1f5f9;
        --border: #e2e8f0;
        --border-light: #f1f5f9;
        --radius: 14px;
        --radius-sm: 8px;
        --radius-lg: 20px;
        --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
        --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
        --shadow-accent: 0 4px 20px rgba(212, 168, 83, 0.25);
        --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --nav-width: 240px;
        --header-height: 68px;
        --max-width: 1280px;
        --gap: 24px;
    }

    /* ===== Layout ===== */
    .app-wrap {
        display: flex;
        min-height: 100vh;
    }

    /* ===== Left Nav (Desktop) ===== */
    .side-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: var(--nav-width);
        height: 100vh;
        background: var(--bg-dark);
        color: var(--text-white);
        display: flex;
        flex-direction: column;
        z-index: 1000;
        overflow-y: auto;
        transition: transform var(--transition);
        border-right: 1px solid rgba(255, 255, 255, 0.06);
    }
    .side-nav .logo-area {
        padding: 32px 20px 24px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .side-nav .logo-icon {
        width: 40px;
        height: 40px;
        background: linear-gradient(135deg, var(--accent), #b98a2e);
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        color: #0a1628;
        flex-shrink: 0;
    }
    .side-nav .logo-text {
        font-size: 18px;
        font-weight: 700;
        letter-spacing: 0.5px;
        color: #fff;
        line-height: 1.2;
    }
    .side-nav .logo-text span {
        color: var(--accent);
    }
    .side-nav .nav-list {
        padding: 24px 16px;
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: 6px;
    }
    .side-nav .nav-item {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 12px 18px;
        border-radius: var(--radius-sm);
        font-size: 15px;
        font-weight: 500;
        color: rgba(255, 255, 255, 0.7);
        transition: all var(--transition);
        position: relative;
    }
    .side-nav .nav-item i {
        width: 20px;
        text-align: center;
        font-size: 16px;
        flex-shrink: 0;
    }
    .side-nav .nav-item:hover {
        color: #fff;
        background: rgba(255, 255, 255, 0.06);
    }
    .side-nav .nav-item.active {
        color: #fff;
        background: rgba(212, 168, 83, 0.15);
    }
    .side-nav .nav-item.active::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 3px;
        height: 24px;
        background: var(--accent);
        border-radius: 0 3px 3px 0;
    }
    .side-nav .nav-item.active i {
        color: var(--accent);
    }
    .side-nav .nav-footer {
        padding: 20px 16px 24px;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        font-size: 12px;
        color: rgba(255, 255, 255, 0.35);
        text-align: center;
    }

    /* ===== Main Content Area ===== */
    .main-area {
        margin-left: var(--nav-width);
        flex: 1;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
    }

    /* ===== Mobile Header ===== */
    .mobile-header {
        display: none;
        position: sticky;
        top: 0;
        z-index: 999;
        background: var(--bg-dark);
        padding: 0 20px;
        height: var(--header-height);
        align-items: center;
        justify-content: space-between;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .mobile-header .logo-text {
        font-size: 17px;
        font-weight: 700;
        color: #fff;
    }
    .mobile-header .logo-text span {
        color: var(--accent);
    }
    .hamburger {
        width: 40px;
        height: 40px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        border-radius: var(--radius-sm);
        background: rgba(255, 255, 255, 0.06);
        transition: background var(--transition);
    }
    .hamburger:hover {
        background: rgba(255, 255, 255, 0.1);
    }
    .hamburger span {
        display: block;
        width: 20px;
        height: 2px;
        background: #fff;
        border-radius: 2px;
        transition: all var(--transition);
    }
    .hamburger.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* ===== Mobile Nav Overlay ===== */
    .mobile-nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.6);
        z-index: 998;
        opacity: 0;
        transition: opacity var(--transition);
        pointer-events: none;
    }
    .mobile-nav-overlay.open {
        opacity: 1;
        pointer-events: auto;
    }
    .mobile-nav-panel {
        position: fixed;
        top: 0;
        left: 0;
        width: 280px;
        height: 100%;
        background: var(--bg-dark);
        z-index: 999;
        transform: translateX(-100%);
        transition: transform var(--transition);
        overflow-y: auto;
        padding: 20px 16px 32px;
        border-right: 1px solid rgba(255, 255, 255, 0.06);
    }
    .mobile-nav-panel.open {
        transform: translateX(0);
    }
    .mobile-nav-panel .panel-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-bottom: 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        margin-bottom: 16px;
    }
    .mobile-nav-panel .panel-header .logo-text {
        font-size: 17px;
        font-weight: 700;
        color: #fff;
    }
    .mobile-nav-panel .panel-header .logo-text span {
        color: var(--accent);
    }
    .mobile-nav-panel .close-btn {
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: var(--radius-sm);
        background: rgba(255, 255, 255, 0.06);
        color: #fff;
        font-size: 18px;
        transition: background var(--transition);
    }
    .mobile-nav-panel .close-btn:hover {
        background: rgba(255, 255, 255, 0.12);
    }
    .mobile-nav-panel .nav-list {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }
    .mobile-nav-panel .nav-item {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 12px 16px;
        border-radius: var(--radius-sm);
        font-size: 15px;
        font-weight: 500;
        color: rgba(255, 255, 255, 0.7);
        transition: all var(--transition);
    }
    .mobile-nav-panel .nav-item i {
        width: 20px;
        text-align: center;
        font-size: 16px;
    }
    .mobile-nav-panel .nav-item:hover {
        color: #fff;
        background: rgba(255, 255, 255, 0.06);
    }
    .mobile-nav-panel .nav-item.active {
        color: #fff;
        background: rgba(212, 168, 83, 0.15);
    }
    .mobile-nav-panel .nav-item.active i {
        color: var(--accent);
    }

    /* ===== Container & Sections ===== */
    .container {
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 var(--gap);
    }
    .section {
        padding: 80px 0;
    }
    .section-sm {
        padding: 48px 0;
    }
    .section-title {
        font-size: 32px;
        font-weight: 700;
        margin-bottom: 8px;
        color: #0f172a;
        letter-spacing: -0.5px;
    }
    .section-subtitle {
        font-size: 16px;
        color: var(--text-muted);
        max-width: 600px;
        margin-bottom: 40px;
        line-height: 1.7;
    }
    .section-title.center,
    .section-subtitle.center {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }
    .section-subtitle.center {
        text-align: center;
    }

    /* ===== Hero ===== */
    .hero {
        position: relative;
        min-height: 520px;
        display: flex;
        align-items: center;
        padding: 80px 0;
        overflow: hidden;
        background: var(--bg-dark);
    }
    .hero-bg {
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        opacity: 0.35;
        z-index: 0;
    }
    .hero-bg::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(10, 22, 40, 0.92) 0%, rgba(15, 29, 51, 0.7) 100%);
    }
    .hero .container {
        position: relative;
        z-index: 1;
        width: 100%;
    }
    .hero-content {
        max-width: 720px;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(212, 168, 83, 0.15);
        border: 1px solid rgba(212, 168, 83, 0.25);
        color: var(--accent);
        padding: 6px 18px;
        border-radius: 100px;
        font-size: 13px;
        font-weight: 600;
        margin-bottom: 20px;
        letter-spacing: 0.3px;
    }
    .hero-badge i {
        font-size: 12px;
    }
    .hero h1 {
        font-size: 46px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 16px;
        letter-spacing: -0.5px;
        line-height: 1.15;
    }
    .hero h1 span {
        color: var(--accent);
    }
    .hero p {
        font-size: 18px;
        color: rgba(255, 255, 255, 0.75);
        max-width: 580px;
        margin-bottom: 32px;
        line-height: 1.7;
    }
    .hero-actions {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
    }

    /* ===== Buttons ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 14px 32px;
        border-radius: 100px;
        font-size: 15px;
        font-weight: 600;
        transition: all var(--transition);
        border: 2px solid transparent;
        letter-spacing: 0.3px;
        white-space: nowrap;
    }
    .btn i {
        font-size: 14px;
    }
    .btn-primary {
        background: var(--accent);
        color: #0a1628;
        border-color: var(--accent);
        box-shadow: var(--shadow-accent);
    }
    .btn-primary:hover {
        background: var(--accent-hover);
        border-color: var(--accent-hover);
        transform: translateY(-2px);
        box-shadow: 0 8px 30px rgba(212, 168, 83, 0.35);
        color: #0a1628;
    }
    .btn-primary:active {
        transform: translateY(0);
    }
    .btn-outline-light {
        background: transparent;
        color: #fff;
        border-color: rgba(255, 255, 255, 0.3);
    }
    .btn-outline-light:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 255, 255, 0.5);
        color: #fff;
        transform: translateY(-2px);
    }
    .btn-outline-light:active {
        transform: translateY(0);
    }
    .btn-accent-outline {
        background: transparent;
        color: var(--accent);
        border-color: var(--accent);
    }
    .btn-accent-outline:hover {
        background: var(--accent);
        color: #0a1628;
        transform: translateY(-2px);
        box-shadow: var(--shadow-accent);
    }
    .btn-accent-outline:active {
        transform: translateY(0);
    }
    .btn-sm {
        padding: 10px 22px;
        font-size: 13px;
    }
    .btn-lg {
        padding: 16px 40px;
        font-size: 17px;
    }

    /* ===== Cards ===== */
    .card {
        background: var(--bg-card);
        border-radius: var(--radius);
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border);
        transition: all var(--transition);
        overflow: hidden;
    }
    .card:hover {
        box-shadow: var(--shadow);
        transform: translateY(-4px);
    }
    .card-img {
        width: 100%;
        aspect-ratio: 16 / 10;
        object-fit: cover;
        border-radius: var(--radius) var(--radius) 0 0;
        display: block;
    }
    .card-body {
        padding: 24px;
    }
    .card-title {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 8px;
        color: #0f172a;
    }
    .card-text {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
    }
    .card-tag {
        display: inline-block;
        padding: 3px 12px;
        border-radius: 100px;
        font-size: 12px;
        font-weight: 600;
        background: var(--accent-light);
        color: var(--accent);
        margin-bottom: 10px;
    }

    /* ===== Grids ===== */
    .grid-2 {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--gap);
    }
    .grid-3 {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--gap);
    }
    .grid-4 {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--gap);
    }

    /* ===== Features / Icon Cards ===== */
    .feature-card {
        background: var(--bg-card);
        border-radius: var(--radius);
        padding: 32px 28px;
        border: 1px solid var(--border);
        transition: all var(--transition);
        text-align: center;
    }
    .feature-card:hover {
        box-shadow: var(--shadow);
        transform: translateY(-4px);
        border-color: var(--accent);
    }
    .feature-icon {
        width: 64px;
        height: 64px;
        margin: 0 auto 18px;
        background: var(--accent-light);
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 26px;
        color: var(--accent);
        transition: all var(--transition);
    }
    .feature-card:hover .feature-icon {
        background: var(--accent);
        color: #0a1628;
    }
    .feature-card h3 {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 8px;
        color: #0f172a;
    }
    .feature-card p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
    }

    /* ===== Stats ===== */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--gap);
    }
    .stat-card {
        background: var(--bg-card);
        border-radius: var(--radius);
        padding: 32px 24px;
        text-align: center;
        border: 1px solid var(--border);
        transition: all var(--transition);
    }
    .stat-card:hover {
        box-shadow: var(--shadow);
        transform: translateY(-4px);
    }
    .stat-number {
        font-size: 40px;
        font-weight: 800;
        color: var(--accent);
        line-height: 1.1;
        margin-bottom: 6px;
    }
    .stat-label {
        font-size: 14px;
        color: var(--text-muted);
        font-weight: 500;
    }

    /* ===== Steps / Timeline ===== */
    .steps-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--gap);
        counter-reset: step;
    }
    .step-card {
        background: var(--bg-card);
        border-radius: var(--radius);
        padding: 32px 24px;
        text-align: center;
        border: 1px solid var(--border);
        position: relative;
        transition: all var(--transition);
    }
    .step-card:hover {
        box-shadow: var(--shadow);
        transform: translateY(-4px);
    }
    .step-number {
        width: 52px;
        height: 52px;
        margin: 0 auto 16px;
        background: var(--bg-dark);
        color: #fff;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        font-weight: 700;
        transition: all var(--transition);
    }
    .step-card:hover .step-number {
        background: var(--accent);
        color: #0a1628;
    }
    .step-card h3 {
        font-size: 17px;
        font-weight: 700;
        margin-bottom: 6px;
        color: #0f172a;
    }
    .step-card p {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.6;
    }

    /* ===== Article / News List ===== */
    .news-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .news-item {
        background: var(--bg-card);
        border-radius: var(--radius);
        padding: 20px 24px;
        border: 1px solid var(--border);
        display: flex;
        align-items: center;
        gap: 20px;
        transition: all var(--transition);
    }
    .news-item:hover {
        box-shadow: var(--shadow);
        transform: translateX(4px);
        border-color: var(--accent);
    }
    .news-item .news-icon {
        width: 44px;
        height: 44px;
        background: var(--accent-light);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        color: var(--accent);
        flex-shrink: 0;
    }
    .news-item .news-content {
        flex: 1;
        min-width: 0;
    }
    .news-item .news-title {
        font-size: 15px;
        font-weight: 600;
        color: #0f172a;
        margin-bottom: 4px;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-item .news-title a {
        color: inherit;
    }
    .news-item .news-title a:hover {
        color: var(--accent);
    }
    .news-item .news-meta {
        font-size: 12px;
        color: var(--text-muted);
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .news-item .news-meta span {
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }
    .news-item .news-cat {
        display: inline-block;
        padding: 2px 10px;
        border-radius: 100px;
        font-size: 11px;
        font-weight: 600;
        background: var(--accent-light);
        color: var(--accent);
        flex-shrink: 0;
    }
    .news-empty {
        text-align: center;
        padding: 48px 20px;
        color: var(--text-muted);
        font-size: 15px;
        background: var(--bg-card);
        border-radius: var(--radius);
        border: 1px dashed var(--border);
    }
    .news-empty i {
        font-size: 36px;
        color: var(--text-light);
        margin-bottom: 12px;
        display: block;
    }

    /* ===== FAQ ===== */
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .faq-item {
        background: var(--bg-card);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        overflow: hidden;
        transition: all var(--transition);
    }
    .faq-item:hover {
        border-color: var(--accent);
    }
    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 18px 24px;
        font-size: 15px;
        font-weight: 600;
        color: #0f172a;
        background: transparent;
        text-align: left;
        gap: 12px;
        transition: background var(--transition);
    }
    .faq-question:hover {
        background: rgba(212, 168, 83, 0.04);
    }
    .faq-question i {
        font-size: 14px;
        color: var(--accent);
        transition: transform var(--transition);
        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 0.4s ease;
        padding: 0 24px;
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
    }
    .faq-item.active .faq-answer {
        max-height: 300px;
        padding: 0 24px 20px;
    }

    /* ===== CTA ===== */
    .cta-section {
        background: var(--bg-dark);
        position: relative;
        overflow: hidden;
        padding: 80px 0;
    }
    .cta-section .cta-bg {
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        opacity: 0.15;
        z-index: 0;
    }
    .cta-section .cta-bg::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(10, 22, 40, 0.95) 0%, rgba(15, 29, 51, 0.85) 100%);
    }
    .cta-section .container {
        position: relative;
        z-index: 1;
        text-align: center;
    }
    .cta-section h2 {
        font-size: 34px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 12px;
    }
    .cta-section h2 span {
        color: var(--accent);
    }
    .cta-section p {
        font-size: 16px;
        color: rgba(255, 255, 255, 0.7);
        max-width: 560px;
        margin: 0 auto 28px;
        line-height: 1.7;
    }
    .cta-section .btn {
        margin: 0 auto;
    }

    /* ===== Categories Section ===== */
    .cat-card {
        position: relative;
        border-radius: var(--radius);
        overflow: hidden;
        background: var(--bg-dark);
        min-height: 260px;
        display: flex;
        align-items: flex-end;
        transition: all var(--transition);
        border: 1px solid rgba(255, 255, 255, 0.06);
    }
    .cat-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
        border-color: var(--accent);
    }
    .cat-card img {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0.45;
        transition: opacity var(--transition), transform var(--transition);
    }
    .cat-card:hover img {
        opacity: 0.3;
        transform: scale(1.05);
    }
    .cat-card .cat-overlay {
        position: relative;
        z-index: 1;
        padding: 24px 20px;
        width: 100%;
        background: linear-gradient(transparent, rgba(10, 22, 40, 0.9));
    }
    .cat-card .cat-title {
        font-size: 19px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 4px;
    }
    .cat-card .cat-desc {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.7);
        line-height: 1.5;
    }
    .cat-card .cat-tag {
        position: absolute;
        top: 16px;
        right: 16px;
        z-index: 2;
        background: var(--accent);
        color: #0a1628;
        padding: 3px 14px;
        border-radius: 100px;
        font-size: 11px;
        font-weight: 700;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--bg-dark);
        color: rgba(255, 255, 255, 0.6);
        padding: 40px 0 32px;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }
    .site-footer .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
    }
    .site-footer .footer-brand .logo-text {
        font-size: 18px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 10px;
        display: block;
    }
    .site-footer .footer-brand .logo-text span {
        color: var(--accent);
    }
    .site-footer .footer-brand p {
        font-size: 13px;
        line-height: 1.7;
        max-width: 320px;
    }
    .site-footer h4 {
        font-size: 14px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 14px;
        letter-spacing: 0.3px;
    }
    .site-footer ul li {
        margin-bottom: 8px;
    }
    .site-footer ul a {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.5);
        transition: color var(--transition);
    }
    .site-footer ul a:hover {
        color: var(--accent);
    }
    .site-footer .footer-bottom {
        margin-top: 32px;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 12px;
        color: rgba(255, 255, 255, 0.35);
    }
    .site-footer .footer-bottom a {
        color: rgba(255, 255, 255, 0.4);
    }
    .site-footer .footer-bottom a:hover {
        color: var(--accent);
    }
    .footer-social {
        display: flex;
        gap: 10px;
    }
    .footer-social a {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.06);
        display: flex;
        align-items: center;
        justify-content: center;
        color: rgba(255, 255, 255, 0.5);
        font-size: 14px;
        transition: all var(--transition);
    }
    .footer-social a:hover {
        background: var(--accent);
        color: #0a1628;
    }

    /* ===== Divider ===== */
    .divider {
        width: 60px;
        height: 3px;
        background: var(--accent);
        border-radius: 3px;
        margin: 0 auto 20px;
    }
    .divider.left {
        margin: 0 0 20px;
    }

    /* ===== Back to Top ===== */
    .back-top {
        position: fixed;
        bottom: 28px;
        right: 28px;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: var(--accent);
        color: #0a1628;
        font-size: 18px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: var(--shadow-accent);
        z-index: 50;
        opacity: 0;
        visibility: hidden;
        transform: translateY(20px);
        transition: all var(--transition);
    }
    .back-top.visible {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .back-top:hover {
        background: var(--accent-hover);
        transform: translateY(-4px);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .grid-4 {
            grid-template-columns: repeat(2, 1fr);
        }
        .steps-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .site-footer .footer-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        .hero h1 {
            font-size: 36px;
        }
        .section-title {
            font-size: 28px;
        }
    }

    @media (max-width: 768px) {
        :root {
            --nav-width: 0px;
        }
        .side-nav {
            display: none;
        }
        .main-area {
            margin-left: 0;
        }
        .mobile-header {
            display: flex;
        }
        .hero {
            min-height: 420px;
            padding: 60px 0;
        }
        .hero h1 {
            font-size: 30px;
        }
        .hero p {
            font-size: 15px;
        }
        .section {
            padding: 48px 0;
        }
        .section-title {
            font-size: 24px;
        }
        .grid-2,
        .grid-3,
        .grid-4 {
            grid-template-columns: 1fr;
        }
        .steps-grid {
            grid-template-columns: 1fr;
        }
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .stat-number {
            font-size: 32px;
        }
        .news-item {
            flex-direction: column;
            align-items: flex-start;
            gap: 12px;
            padding: 16px 18px;
        }
        .news-item .news-icon {
            display: none;
        }
        .site-footer .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .site-footer .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .hero-actions {
            flex-direction: column;
            align-items: flex-start;
        }
        .hero-actions .btn {
            width: 100%;
            justify-content: center;
        }
        .faq-question {
            padding: 14px 18px;
            font-size: 14px;
        }
        .faq-answer {
            padding: 0 18px;
            font-size: 13px;
        }
        .faq-item.active .faq-answer {
            padding: 0 18px 16px;
        }
        .cta-section h2 {
            font-size: 26px;
        }
        .cat-card {
            min-height: 200px;
        }
        .back-top {
            bottom: 16px;
            right: 16px;
            width: 42px;
            height: 42px;
            font-size: 16px;
        }
    }

    @media (max-width: 520px) {
        .hero h1 {
            font-size: 24px;
        }
        .hero-badge {
            font-size: 11px;
            padding: 4px 14px;
        }
        .btn {
            padding: 12px 24px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 28px;
            font-size: 15px;
        }
        .section-title {
            font-size: 22px;
        }
        .stats-grid {
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .stat-card {
            padding: 20px 16px;
        }
        .stat-number {
            font-size: 28px;
        }
        .feature-card {
            padding: 24px 20px;
        }
        .step-card {
            padding: 24px 18px;
        }
        .container {
            padding: 0 16px;
        }
        .news-item {
            padding: 14px 16px;
        }
        .news-item .news-title {
            font-size: 14px;
        }
        .card-body {
            padding: 18px;
        }
        .card-title {
            font-size: 16px;
        }
        .mobile-nav-panel {
            width: 260px;
        }
    }

    /* ===== Utility ===== */
    .text-accent {
        color: var(--accent);
    }
    .text-center {
        text-align: center;
    }
    .mt-8 {
        margin-top: 8px;
    }
    .mt-16 {
        margin-top: 16px;
    }
    .mt-24 {
        margin-top: 24px;
    }
    .mt-32 {
        margin-top: 32px;
    }
    .mb-8 {
        margin-bottom: 8px;
    }
    .mb-16 {
        margin-bottom: 16px;
    }
    .mb-24 {
        margin-bottom: 24px;
    }
    .mb-32 {
        margin-bottom: 32px;
    }
    .gap-12 {
        gap: 12px;
    }
    .gap-16 {
        gap: 16px;
    }
    .flex-center {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .bg-accent-soft {
        background: var(--accent-light);
    }
    .rounded-full {
        border-radius: 100px;
    }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0a1628;
            --primary-light: #132240;
            --secondary: #f0b429;
            --secondary-hover: #d4a020;
            --secondary-light: #fce8b0;
            --bg: #f5f7fa;
            --bg-card: #ffffff;
            --bg-soft: #eef1f6;
            --text: #1a2332;
            --text-secondary: #4a5568;
            --text-weak: #8896a8;
            --border: #e2e8f0;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(10,22,40,0.06);
            --shadow: 0 8px 30px rgba(10,22,40,0.08);
            --shadow-lg: 0 20px 60px rgba(10,22,40,0.12);
            --transition: .25s cubic-bezier(.4,0,.2,1);
            --nav-width: 240px;
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }
        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }
        a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary-hover); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: 1rem; outline: none; }
        button { cursor: pointer; border: none; background: none; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ===== 左侧导航 ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--primary);
            color: #fff;
            display: flex;
            flex-direction: column;
            z-index: 1000;
            overflow-y: auto;
            transition: transform var(--transition);
        }
        .side-nav .logo-area {
            padding: 28px 20px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .side-nav .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--secondary);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }
        .side-nav .logo-text {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -.3px;
            line-height: 1.2;
        }
        .side-nav .logo-text span { color: var(--secondary); }
        .side-nav .nav-list {
            flex: 1;
            padding: 16px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .side-nav .nav-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255,255,255,0.7);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }
        .side-nav .nav-item i { width: 20px; text-align: center; font-size: 16px; }
        .side-nav .nav-item:hover {
            background: rgba(255,255,255,0.08);
            color: #fff;
        }
        .side-nav .nav-item.active {
            background: var(--secondary);
            color: var(--primary);
            font-weight: 600;
        }
        .side-nav .nav-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 12px;
            color: rgba(255,255,255,0.4);
            text-align: center;
        }
        /* ===== 移动端导航切换 ===== */
        .nav-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1100;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow);
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-toggle:hover { background: var(--primary-light); }
        .nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition);
            pointer-events: none;
        }
        .nav-overlay.show { opacity: 1; pointer-events: auto; }
        /* ===== 主内容区 ===== */
        .main-wrapper {
            margin-left: var(--nav-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        /* ===== 文章 Hero ===== */
        .article-hero {
            position: relative;
            padding: 60px 0 50px;
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: #fff;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,22,40,0.88) 0%, rgba(10,22,40,0.60) 100%);
            z-index: 1;
        }
        .article-hero .container { position: relative; z-index: 2; }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255,255,255,0.6);
            margin-bottom: 20px;
        }
        .article-hero .breadcrumb a { color: rgba(255,255,255,0.7); }
        .article-hero .breadcrumb a:hover { color: var(--secondary); }
        .article-hero .breadcrumb .sep { color: rgba(255,255,255,0.3); }
        .article-hero .category-badge {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 20px;
            background: var(--secondary);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .article-hero h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -.5px;
            max-width: 800px;
            margin-bottom: 16px;
        }
        .article-hero .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: rgba(255,255,255,0.7);
        }
        .article-hero .meta i { margin-right: 6px; }
        /* ===== 文章正文 ===== */
        .article-body {
            padding: 48px 0 32px;
            background: var(--bg-card);
        }
        .article-body .content {
            max-width: 800px;
            margin: 0 auto;
            font-size: 17px;
            line-height: 1.85;
            color: var(--text);
        }
        .article-body .content h2,
        .article-body .content h3,
        .article-body .content h4 {
            margin-top: 32px;
            margin-bottom: 16px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary);
        }
        .article-body .content h2 { font-size: 26px; }
        .article-body .content h3 { font-size: 22px; }
        .article-body .content p { margin-bottom: 20px; }
        .article-body .content a { color: var(--secondary); text-decoration: underline; }
        .article-body .content a:hover { color: var(--secondary-hover); }
        .article-body .content blockquote {
            border-left: 4px solid var(--secondary);
            background: var(--bg-soft);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-secondary);
        }
        .article-body .content ul,
        .article-body .content ol {
            margin: 16px 0 20px 24px;
        }
        .article-body .content li { margin-bottom: 8px; }
        .article-body .content img {
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body .content .article-image-caption {
            text-align: center;
            font-size: 14px;
            color: var(--text-weak);
            margin-top: -12px;
            margin-bottom: 24px;
        }
        .article-body .not-found {
            text-align: center;
            padding: 60px 20px;
            max-width: 600px;
            margin: 0 auto;
        }
        .article-body .not-found i { font-size: 48px; color: var(--text-weak); margin-bottom: 20px; }
        .article-body .not-found h2 { font-size: 28px; color: var(--primary); margin-bottom: 12px; }
        .article-body .not-found p { color: var(--text-secondary); margin-bottom: 24px; }
        .article-body .not-found .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 30px;
            background: var(--secondary);
            color: var(--primary);
            font-weight: 600;
            font-size: 16px;
            transition: var(--transition);
        }
        .article-body .not-found .btn:hover { background: var(--secondary-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(240,180,41,0.3); }
        /* ===== 标签与分享 ===== */
        .article-tags {
            padding: 24px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            margin-top: 32px;
        }
        .article-tags .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .article-tags .tags-left {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
        }
        .article-tags .tags-left span { font-size: 14px; color: var(--text-secondary); font-weight: 500; }
        .article-tags .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            background: var(--bg-soft);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition);
        }
        .article-tags .tag:hover { background: var(--secondary-light); color: var(--primary); }
        .article-tags .share-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .article-tags .share-right span { font-size: 14px; color: var(--text-secondary); font-weight: 500; }
        .article-tags .share-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-soft);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            transition: var(--transition);
        }
        .article-tags .share-btn:hover { background: var(--secondary); color: var(--primary); transform: translateY(-2px); }
        /* ===== 上下篇导航 ===== */
        .article-prevnext {
            padding: 32px 0;
            background: var(--bg-card);
        }
        .article-prevnext .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            max-width: 800px;
            margin: 0 auto;
        }
        .article-prevnext .pn-card {
            padding: 20px 24px;
            border-radius: var(--radius);
            background: var(--bg-soft);
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .article-prevnext .pn-card:hover { border-color: var(--secondary); box-shadow: var(--shadow-sm); }
        .article-prevnext .pn-label {
            font-size: 13px;
            color: var(--text-weak);
            font-weight: 500;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-prevnext .pn-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-prevnext .pn-card:hover .pn-title { color: var(--secondary); }
        .article-prevnext .pn-empty {
            padding: 20px 24px;
            border-radius: var(--radius);
            background: var(--bg-soft);
            color: var(--text-weak);
            font-size: 14px;
        }
        /* ===== 相关推荐 ===== */
        .article-related {
            padding: 48px 0;
            background: var(--bg);
        }
        .article-related .section-title {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .article-related .section-sub {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 32px;
        }
        .article-related .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .article-related .rel-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .article-related .rel-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
        .article-related .rel-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .article-related .rel-card .rel-body {
            padding: 18px 20px 20px;
        }
        .article-related .rel-card .rel-cat {
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary);
            text-transform: uppercase;
            letter-spacing: .5px;
            margin-bottom: 6px;
        }
        .article-related .rel-card .rel-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition);
        }
        .article-related .rel-card:hover .rel-title { color: var(--secondary); }
        .article-related .rel-card .rel-meta {
            font-size: 13px;
            color: var(--text-weak);
        }
        .article-related .rel-card .rel-meta i { margin-right: 4px; }
        .article-related .rel-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 40px;
            color: var(--text-weak);
            font-size: 15px;
        }
        /* ===== CTA ===== */
        .article-cta {
            padding: 56px 0;
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: #fff;
            text-align: center;
        }
        .article-cta .container { position: relative; z-index: 1; }
        .article-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10,22,40,0.75);
            z-index: 0;
        }
        .article-cta h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .article-cta p {
            font-size: 17px;
            color: rgba(255,255,255,0.8);
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .article-cta .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        .article-cta .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 30px;
            background: var(--secondary);
            color: var(--primary);
            font-weight: 700;
            font-size: 17px;
            transition: var(--transition);
        }
        .article-cta .btn-primary:hover { background: var(--secondary-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(240,180,41,0.3); color: var(--primary); }
        .article-cta .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 30px;
            border: 2px solid rgba(255,255,255,0.3);
            color: #fff;
            font-weight: 600;
            font-size: 17px;
            transition: var(--transition);
        }
        .article-cta .btn-outline:hover { border-color: var(--secondary); color: var(--secondary); background: rgba(255,255,255,0.05); }
        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.8);
            padding: 48px 0 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .site-footer .footer-brand .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
        }
        .site-footer .footer-brand .logo-text span { color: var(--secondary); }
        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin-top: 12px;
            color: rgba(255,255,255,0.6);
            max-width: 320px;
        }
        .site-footer .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.7);
            font-size: 16px;
            margin-right: 8px;
            transition: var(--transition);
        }
        .site-footer .footer-social a:hover { background: var(--secondary); color: var(--primary); }
        .site-footer h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer ul li { margin-bottom: 10px; }
        .site-footer ul li a {
            font-size: 14px;
            color: rgba(255,255,255,0.6);
            transition: var(--transition);
        }
        .site-footer ul li a:hover { color: var(--secondary); padding-left: 4px; }
        .site-footer .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,0.4);
        }
        .site-footer .footer-bottom a { color: rgba(255,255,255,0.5); }
        .site-footer .footer-bottom a:hover { color: var(--secondary); }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root { --nav-width: 220px; }
            .article-related .related-grid { grid-template-columns: repeat(2, 1fr); }
            .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-toggle { display: flex; }
            .side-nav { transform: translateX(-100%); }
            .side-nav.open { transform: translateX(0); }
            .nav-overlay.show { display: block; }
            .main-wrapper { margin-left: 0; padding-top: 60px; }
            .article-hero { padding: 40px 0 36px; }
            .article-hero h1 { font-size: 26px; }
            .article-body .content { font-size: 16px; }
            .article-prevnext .container { grid-template-columns: 1fr; }
            .article-related .related-grid { grid-template-columns: 1fr; }
            .article-related .rel-card img { height: 200px; }
            .article-cta h2 { font-size: 24px; }
            .article-cta .btn-group { flex-direction: column; align-items: center; }
            .site-footer .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .article-tags .container { flex-direction: column; align-items: flex-start; }
            .article-hero .meta { gap: 12px; font-size: 13px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-hero h1 { font-size: 22px; }
            .article-body .content { font-size: 15px; }
            .article-body .content h2 { font-size: 20px; }
            .article-body .content h3 { font-size: 18px; }
            .article-related .section-title { font-size: 22px; }
            .article-cta h2 { font-size: 20px; }
            .article-cta p { font-size: 15px; }
            .article-cta .btn-primary,
            .article-cta .btn-outline { width: 100%; justify-content: center; padding: 12px 24px; font-size: 15px; }
        }
        /* ===== 辅助 ===== */
        .text-center { text-align: center; }
        .mb-8 { margin-bottom: 8px; }
        .mb-16 { margin-bottom: 16px; }
        .mb-24 { margin-bottom: 24px; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .gap-8 { gap: 8px; }
        .gap-12 { gap: 12px; }
        /* ===== 加载动画 ===== */
        .fade-in { animation: fadeIn .5s ease forwards; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0b1a30;
            --primary-light: #132b4a;
            --primary-lighter: #1e3a5f;
            --accent: #f0b90b;
            --accent-hover: #d4a309;
            --accent-glow: rgba(240, 185, 11, 0.25);
            --bg-body: #f4f6fa;
            --bg-card: #ffffff;
            --bg-dark: #0b1a30;
            --text-primary: #1a2332;
            --text-secondary: #4a5568;
            --text-light: #8896a8;
            --text-white: #f0f2f5;
            --border-color: #e2e8f0;
            --border-light: rgba(255, 255, 255, 0.12);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
            --shadow-glow: 0 0 30px rgba(240, 185, 11, 0.15);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --nav-width: 240px;
            --header-height: 64px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-body);
            display: flex;
            min-height: 100vh;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
        }
        h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
        }
        h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
        }
        h3 {
            font-size: clamp(1.15rem, 2vw, 1.5rem);
        }
        h4 {
            font-size: 1.05rem;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: 72px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            position: relative;
            display: inline-block;
            margin-bottom: 12px;
        }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-title p {
            color: var(--text-secondary);
            max-width: 640px;
            margin: 8px auto 0;
            font-size: 1.05rem;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-center {
            text-align: center;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        /* ===== 左侧导航 ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--primary);
            color: var(--text-white);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            transition: transform var(--transition);
            overflow-y: auto;
            border-right: 1px solid var(--border-light);
        }
        .side-nav .logo-area {
            padding: 28px 20px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            border-bottom: 1px solid var(--border-light);
        }
        .side-nav .logo-icon {
            width: 42px;
            height: 42px;
            background: var(--accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            box-shadow: 0 4px 14px var(--accent-glow);
            flex-shrink: 0;
        }
        .side-nav .logo-text {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .side-nav .logo-text span {
            color: var(--accent);
        }
        .side-nav .nav-list {
            flex: 1;
            padding: 20px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .side-nav .nav-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }
        .side-nav .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 1.05rem;
        }
        .side-nav .nav-item:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .side-nav .nav-item.active {
            background: rgba(240, 185, 11, 0.15);
            color: var(--accent);
            font-weight: 600;
        }
        .side-nav .nav-item.active i {
            color: var(--accent);
        }
        .side-nav .nav-footer {
            padding: 16px 20px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            border-top: 1px solid var(--border-light);
            text-align: center;
        }

        /* ===== 移动端菜单按钮 ===== */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 12px;
            left: 16px;
            z-index: 1100;
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 1.3rem;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }
        .mobile-toggle:hover {
            background: var(--primary-light);
        }
        .nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            backdrop-filter: blur(4px);
        }

        /* ===== 主内容区 ===== */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ===== Hero Banner ===== */
        .hero-banner {
            position: relative;
            min-height: 460px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            background-blend-mode: overlay;
            padding: 80px 40px 60px;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 26, 48, 0.92) 30%, rgba(11, 26, 48, 0.60) 70%, rgba(240, 185, 11, 0.10) 100%);
            z-index: 1;
        }
        .hero-banner .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
        }
        .hero-banner .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 6px 20px;
            border-radius: 40px;
            letter-spacing: 1px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }
        .hero-banner h1 {
            color: #fff;
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .hero-banner h1 span {
            color: var(--accent);
        }
        .hero-banner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            max-width: 640px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .hero-banner .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px var(--accent-glow);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .hero-banner .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: center;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-banner .hero-stats .stat-item {
            text-align: center;
        }
        .hero-banner .hero-stats .stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
        }
        .hero-banner .hero-stats .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 2px;
        }

        /* ===== 赛事分类标签 ===== */
        .category-tabs {
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-sm);
        }
        .category-tabs .tabs-scroll {
            display: flex;
            flex-wrap: nowrap;
            gap: 8px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding: 0 4px;
        }
        .category-tabs .tabs-scroll::-webkit-scrollbar {
            display: none;
        }
        .category-tabs .tab-btn {
            flex-shrink: 0;
            padding: 8px 22px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-body);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            white-space: nowrap;
        }
        .category-tabs .tab-btn:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .category-tabs .tab-btn.active {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            font-weight: 700;
        }

        /* ===== 赛事卡片网格 ===== */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }
        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .event-card .card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--primary-lighter);
        }
        .event-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .event-card:hover .card-img img {
            transform: scale(1.05);
        }
        .event-card .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
        }
        .event-card .card-img .card-live {
            position: absolute;
            top: 12px;
            right: 12px;
            background: #e53e3e;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 4px;
            animation: pulse 1.8s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }
        .event-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-body .card-meta {
            display: flex;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 8px;
        }
        .event-card .card-body .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .event-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .event-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .event-card .card-body .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
        }
        .event-card .card-body .card-footer .card-btn {
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            transition: var(--transition);
        }
        .event-card .card-body .card-footer .card-btn:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }
        .event-card .card-body .card-footer .card-price {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--accent);
        }

        /* ===== 数据看板 ===== */
        .stats-board {
            background: var(--primary) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            background-blend-mode: overlay;
            position: relative;
        }
        .stats-board::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11, 26, 48, 0.88);
            z-index: 1;
        }
        .stats-board .container {
            position: relative;
            z-index: 2;
        }
        .stats-board .section-title h2 {
            color: #fff;
        }
        .stats-board .section-title h2::after {
            background: var(--accent);
        }
        .stats-board .section-title p {
            color: rgba(255, 255, 255, 0.7);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 28px;
            text-align: center;
        }
        .stats-grid .stat-card {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }
        .stats-grid .stat-card:hover {
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-4px);
            border-color: var(--accent);
        }
        .stats-grid .stat-card .stat-icon {
            font-size: 2.2rem;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .stats-grid .stat-card .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .stats-grid .stat-card .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 6px;
        }

        /* ===== 资讯列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            align-items: flex-start;
        }
        .news-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .news-item .news-date {
            flex-shrink: 0;
            width: 56px;
            text-align: center;
            padding-top: 2px;
        }
        .news-item .news-date .day {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .news-item .news-date .month {
            font-size: 0.75rem;
            color: var(--text-light);
            text-transform: uppercase;
        }
        .news-item .news-content {
            flex: 1;
        }
        .news-item .news-content .news-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--accent);
            background: rgba(240, 185, 11, 0.12);
            padding: 2px 12px;
            border-radius: 20px;
            margin-bottom: 6px;
        }
        .news-item .news-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .news-item .news-content p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .news-item .news-link {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            color: var(--accent);
            font-size: 1.2rem;
            padding: 8px;
            border-radius: 50%;
            transition: var(--transition);
        }
        .news-item .news-link:hover {
            background: rgba(240, 185, 11, 0.12);
            transform: translateX(4px);
        }

        /* ===== 排行列表 ===== */
        .rank-list {
            counter-reset: rank;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-item {
            counter-increment: rank;
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 14px 20px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .rank-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .rank-item .rank-num {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--bg-body);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .rank-item:nth-child(1) .rank-num {
            background: var(--accent);
            color: var(--primary);
        }
        .rank-item:nth-child(2) .rank-num {
            background: #c0c8d4;
            color: var(--primary);
        }
        .rank-item:nth-child(3) .rank-num {
            background: #d4a373;
            color: #fff;
        }
        .rank-item .rank-info {
            flex: 1;
        }
        .rank-item .rank-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
        }
        .rank-item .rank-info .rank-meta {
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .rank-item .rank-heat {
            font-weight: 700;
            color: var(--accent);
            font-size: 0.9rem;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            max-width: 960px;
            margin: 0 auto;
        }
        @media (max-width:768px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-q {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .faq-item .faq-q .faq-icon {
            color: var(--accent);
            font-size: 1.1rem;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .faq-item .faq-a {
            padding-left: 28px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary) url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            background-blend-mode: overlay;
            position: relative;
            padding: 80px 0;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 26, 48, 0.92), rgba(11, 26, 48, 0.78));
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 52px 0 0;
            border-top: 1px solid var(--border-light);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-light);
        }
        @media (max-width:900px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width:520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .site-footer .footer-brand .logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
        }
        .site-footer .footer-brand .logo-text span {
            color: var(--accent);
        }
        .site-footer .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 12px;
            line-height: 1.7;
            max-width: 360px;
        }
        .site-footer .footer-social a {
            display: inline-flex;
            width: 38px;
            height: 38px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            margin-right: 8px;
            transition: var(--transition);
        }
        .site-footer .footer-social a:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-3px);
        }
        .site-footer h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width:1024px) {
            .side-nav {
                transform: translateX(-100%);
            }
            .side-nav.open {
                transform: translateX(0);
            }
            .nav-overlay.open {
                display: block;
            }
            .mobile-toggle {
                display: flex;
            }
            .main-content {
                margin-left: 0;
            }
            .hero-banner {
                min-height: 380px;
                padding: 70px 24px 50px;
            }
        }
        @media (max-width:768px) {
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .hero-banner {
                min-height: 320px;
                padding: 60px 20px 40px;
            }
            .hero-banner h1 {
                font-size: clamp(1.6rem, 5vw, 2.2rem);
            }
            .hero-banner p {
                font-size: 0.95rem;
            }
            .hero-banner .hero-stats {
                gap: 20px;
                padding-top: 20px;
                margin-top: 24px;
            }
            .hero-banner .hero-stats .stat-num {
                font-size: 1.4rem;
            }
            .events-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stats-grid .stat-card {
                padding: 24px 16px;
            }
            .stats-grid .stat-card .stat-num {
                font-size: 1.8rem;
            }
            .news-item {
                flex-direction: column;
                padding: 16px 18px;
                gap: 12px;
            }
            .news-item .news-date {
                width: auto;
                display: flex;
                gap: 8px;
                align-items: center;
            }
            .news-item .news-date .day {
                font-size: 1.2rem;
            }
            .news-item .news-link {
                align-self: flex-end;
            }
            .cta-section {
                padding: 56px 0;
            }
        }
        @media (max-width:520px) {
            .container {
                padding: 0 16px;
            }
            .hero-banner {
                min-height: 280px;
                padding: 50px 16px 32px;
            }
            .hero-banner .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-banner .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .events-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stats-grid .stat-card .stat-num {
                font-size: 1.5rem;
            }
            .rank-item {
                padding: 12px 16px;
                flex-wrap: wrap;
            }
            .faq-item {
                padding: 18px 20px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== 工具类 ===== */
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .text-accent {
            color: var(--accent);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-light);
            padding: 16px 0;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: var(--text-light);
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }