/* roulang page: index */
/* =====================================================
       MK体育官网中国官方网 — 完整视觉系统
    ===================================================== */
    :root {
        --primary: #FF4D1C;
        --primary-light: #FF8A00;
        --secondary: #00B86B;
        --accent: #FFC93C;
        --bg: #F7F5F2;
        --dark: #1C1A17;
        --white: #FFFFFF;
        --text: #1C1A17;
        --text-light: #6B655E;
        --border: #E8E2DB;
        --radius-card: 20px;
        --radius-btn: 50px;
        --radius-badge: 8px;
        --shadow-card: 0 2px 8px rgba(28,26,23,0.05);
        --shadow-hover: 0 12px 28px rgba(28,26,23,0.10);
        --gradient-primary: linear-gradient(135deg, #FF4D1C 0%, #FF8A00 100%);
        --gradient-dark: linear-gradient(135deg, #1C1A17 0%, #2D2820 100%);
        --spacing-lg: 80px;
        --spacing-sm: 48px;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        font-size: 1rem;
        line-height: 1.7;
        color: var(--text);
        background-color: var(--bg);
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
    }

    a {
        color: var(--primary);
        text-decoration: none;
        transition: color .3s ease;
    }
    a:hover {
        color: var(--primary-light);
    }

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

    button,
    input {
        font-family: inherit;
    }

    .container {
        max-width: 1200px;
        padding-left: 20px;
        padding-right: 20px;
    }

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

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

    .section-head {
        text-align: center;
        margin-bottom: 48px;
    }
    .section-head h2 {
        font-size: clamp(1.5rem, 3vw, 2.25rem);
        font-weight: 700;
        line-height: 1.3;
        color: var(--text);
        margin-bottom: 12px;
        letter-spacing: -0.01em;
    }
    .section-head p {
        font-size: 1rem;
        color: var(--text-light);
        max-width: 520px;
        margin: 0 auto;
    }
    .section-head .head-line {
        width: 48px;
        height: 4px;
        border-radius: 4px;
        background: var(--gradient-primary);
        margin: 16px auto 0;
    }

    /* ============ 按钮 ============ */
    .btn-custom {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        padding: 14px 30px;
        border-radius: var(--radius-btn);
        font-weight: 600;
        border: none;
        cursor: pointer;
        transition: all .3s ease;
        text-decoration: none;
        line-height: 1.2;
    }
    .btn-primary-grad {
        background: var(--gradient-primary);
        color: #fff;
        box-shadow: 0 4px 14px rgba(255,77,28,0.30);
    }
    .btn-primary-grad:hover {
        color: #fff;
        box-shadow: 0 8px 20px rgba(255,77,28,0.40);
        filter: brightness(1.05);
        transform: translateY(-2px);
    }
    .btn-outline-light-custom {
        background: rgba(255,255,255,0.15);
        color: #fff;
        border: 1.5px solid rgba(255,255,255,0.55);
        backdrop-filter: blur(4px);
    }
    .btn-outline-light-custom:hover {
        background: rgba(255,255,255,0.25);
        color: #fff;
        border-color: #fff;
        transform: translateY(-2px);
    }

    /* ============ 导航 ============ */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 1000;
        padding: 14px 0;
        transition: background .35s ease, box-shadow .35s ease;
        background: transparent;
    }
    .site-header.scrolled {
        background: rgba(255,255,255,0.96);
        box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        backdrop-filter: blur(10px);
    }
    .navbar-brand-custom {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.4rem;
        font-weight: 800;
        letter-spacing: -0.01em;
        color: var(--text) !important;
    }
    .site-header.scrolled .navbar-brand-custom {
        color: var(--text) !important;
    }
    .brand-icon {
        width: 38px;
        height: 38px;
        border-radius: 12px;
        background: var(--gradient-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1.2rem;
        font-weight: 800;
        flex-shrink: 0;
        box-shadow: 0 4px 10px rgba(255,77,28,0.25);
    }
    .site-header.scrolled .nav-link-custom {
        color: var(--text) !important;
    }
    .nav-link-custom {
        font-weight: 500;
        color: #fff !important;
        padding: 8px 18px !important;
        position: relative;
        transition: color .3s ease;
        font-size: 0.95rem;
    }
    .site-header.scrolled .nav-link-custom::after {
        background: var(--primary);
    }
    .nav-link-custom::after {
        content: '';
        display: block;
        width: 0;
        height: 2px;
        border-radius: 2px;
        background: var(--accent);
        transition: width .3s ease;
        position: absolute;
        bottom: 4px;
        left: 50%;
        transform: translateX(-50%);
    }
    .nav-link-custom:hover::after,
    .nav-link-custom.active::after {
        width: 24px;
    }
    .nav-link-custom:hover,
    .nav-link-custom.active {
        color: var(--accent) !important;
    }
    .site-header.scrolled .nav-link-custom:hover,
    .site-header.scrolled .nav-link-custom.active {
        color: var(--primary) !important;
    }
    .btn-nav-download {
        padding: 8px 20px;
        border-radius: var(--radius-btn);
        background: var(--gradient-primary);
        color: #fff;
        font-weight: 600;
        font-size: 0.9rem;
        border: none;
        box-shadow: 0 4px 12px rgba(255,77,28,0.25);
        transition: all .3s ease;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .btn-nav-download:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(255,77,28,0.35);
        color: #fff;
    }
    .navbar-toggler-custom {
        border: none;
        background: transparent;
        font-size: 1.4rem;
        color: var(--text);
        padding: 4px 10px;
        border-radius: 8px;
    }
    .site-header.scrolled .navbar-toggler-custom {
        color: var(--text);
    }

    /* ============ Hero 首屏 ============ */
    .hero {
        position: relative;
        background: var(--dark);
        padding: 180px 0 100px;
        overflow: hidden;
    }
    .hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background:
            radial-gradient(circle at 20% 80%, rgba(255,77,28,0.18) 0%, transparent 40%),
            radial-gradient(circle at 80% 20%, rgba(255,138,0,0.12) 0%, transparent 35%),
            url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        opacity: 0.35;
        z-index: 1;
    }
    .hero::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(28,26,23,0.92) 40%, rgba(28,26,23,0.65) 100%);
        z-index: 2;
    }
    .hero .container {
        position: relative;
        z-index: 3;
    }
    .hero h1 {
        font-size: clamp(2rem, 5vw, 3.5rem);
        font-weight: 800;
        line-height: 1.2;
        letter-spacing: -0.02em;
        color: #fff;
        margin-bottom: 18px;
    }
    .hero h1 .text-gradient {
        background: linear-gradient(135deg, #FFC93C 0%, #FF8A00 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .hero-sub {
        font-size: 1.1rem;
        color: rgba(255,255,255,0.82);
        margin-bottom: 32px;
        max-width: 480px;
        line-height: 1.7;
    }
    .hero-buttons {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        margin-bottom: 48px;
    }
    .btn-download {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        padding: 14px 26px;
        border-radius: 16px;
        background: rgba(255,255,255,0.12);
        border: 1.5px solid rgba(255,255,255,0.35);
        color: #fff;
        text-decoration: none;
        transition: all .3s ease;
        backdrop-filter: blur(4px);
    }
    .btn-download:hover {
        background: rgba(255,255,255,0.22);
        border-color: rgba(255,255,255,0.6);
        transform: translateY(-3px);
        box-shadow: 0 8px 24px rgba(0,0,0,0.2);
        color: #fff;
    }
    .btn-download i {
        font-size: 1.8rem;
    }
    .btn-download .download-text {
        display: flex;
        flex-direction: column;
        line-height: 1.2;
    }
    .btn-download .download-text small {
        font-size: 0.75rem;
        opacity: 0.85;
        color: #fff;
    }
    .btn-download .download-text strong {
        font-size: 1rem;
        font-weight: 700;
        color: #fff;
    }
    .hero-stats {
        display: flex;
        flex-wrap: wrap;
        gap: 20px 32px;
    }
    .stat-pill {
        background: rgba(255,255,255,0.10);
        border-radius: 14px;
        padding: 12px 20px;
        display: flex;
        flex-direction: column;
        min-width: 110px;
        border: 1px solid rgba(255,255,255,0.08);
    }
    .stat-pill strong {
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--accent);
        font-variant-numeric: tabular-nums;
        line-height: 1.2;
    }
    .stat-pill span {
        font-size: 0.8rem;
        color: rgba(255,255,255,0.7);
    }
    .hero-device {
        position: relative;
        border-radius: 32px;
        overflow: hidden;
        border: 8px solid rgba(255,255,255,0.15);
        box-shadow: 0 24px 60px rgba(0,0,0,0.45);
        max-width: 420px;
        margin-left: auto;
    }
    .hero-device img {
        width: 100%;
        display: block;
        border-radius: 24px;
    }

    /* ============ 功能价值区 ============ */
    .features-section {
        padding: var(--spacing-lg) 0;
        background: var(--bg);
    }
    .feature-card {
        background: var(--white);
        border-radius: var(--radius-card);
        padding: 32px;
        box-shadow: var(--shadow-card);
        border: 1px solid rgba(232,226,219,0.6);
        position: relative;
        overflow: hidden;
        transition: transform .3s ease, box-shadow .3s ease;
        height: 100%;
    }
    .feature-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
    }
    .feature-card-lg {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        min-height: 280px;
        background:
            radial-gradient(circle at 90% 10%, rgba(255,77,28,0.08) 0%, transparent 50%),
            var(--white);
    }
    .feature-card-lg::before {
        content: '';
        position: absolute;
        top: -40px;
        right: -40px;
        width: 120px;
        height: 120px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(255,77,28,0.06) 0%, transparent 70%);
        z-index: 0;
    }
    .feature-card-lg .feature-content {
        position: relative;
        z-index: 1;
    }
    .feature-icon {
        width: 56px;
        height: 56px;
        border-radius: 16px;
        background: var(--gradient-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1.5rem;
        margin-bottom: 20px;
        box-shadow: 0 8px 16px rgba(255,77,28,0.22);
    }
    .feature-card h3 {
        font-size: 1.25rem;
        font-weight: 600;
        margin-bottom: 8px;
        color: var(--text);
    }
    .feature-card p {
        color: var(--text-light);
        font-size: 0.95rem;
        line-height: 1.65;
        margin-bottom: 0;
    }
    .feature-card-sm {
        display: flex;
        align-items: flex-start;
        gap: 18px;
        min-height: 130px;
        padding: 24px 26px;
    }
    .feature-card-sm .feature-icon {
        width: 44px;
        height: 44px;
        border-radius: 12px;
        font-size: 1.1rem;
        margin-bottom: 0;
        flex-shrink: 0;
    }
    .feature-card-sm h3 {
        font-size: 1.1rem;
        margin-bottom: 4px;
    }
    .feature-card-sm p {
        font-size: 0.88rem;
    }
    .feature-card-sm .feature-content {
        flex: 1;
    }
    .feature-card-wide {
        padding: 36px 40px;
        background:
            url('/assets/images/backpic/back-2.webp') right center/auto 80% no-repeat,
            linear-gradient(135deg, #1C1A17 0%, #2D2820 100%);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 32px;
        border: none;
        min-height: 160px;
    }
    .feature-card-wide h3 {
        color: #fff;
        font-size: 1.5rem;
        margin-bottom: 6px;
    }
    .feature-card-wide p {
        color: rgba(255,255,255,0.75);
        font-size: 0.95rem;
        margin-bottom: 0;
    }
    .feature-card-wide .tech-list {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        flex-shrink: 0;
    }
    .tech-pill {
        background: rgba(255,255,255,0.12);
        border-radius: 50px;
        padding: 6px 16px;
        font-size: 0.8rem;
        font-weight: 500;
        color: #fff;
        border: 1px solid rgba(255,255,255,0.1);
        backdrop-filter: blur(4px);
    }

    /* ============ 轮播 ============ */
    .screenshot-section {
        padding: var(--spacing-lg) 0;
        background: var(--white);
    }
    .carousel-custom {
        position: relative;
        max-width: 960px;
        margin: 0 auto;
        padding: 0 60px;
    }
    .carousel-custom .carousel-inner {
        overflow: visible;
        border-radius: 28px;
    }
    .carousel-custom .carousel-item {
        text-align: center;
        transition: transform .5s ease, opacity .5s ease;
    }
    .carousel-custom .carousel-item img {
        border-radius: 20px;
        max-height: 520px;
        width: auto;
        margin: 0 auto;
        box-shadow: 0 16px 40px rgba(28,26,23,0.15);
    }
    .carousel-custom .carousel-control-prev,
    .carousel-custom .carousel-control-next {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: var(--gradient-primary);
        opacity: 1;
        top: 50%;
        transform: translateY(-50%);
        border: none;
        box-shadow: 0 4px 14px rgba(255,77,28,0.25);
    }
    .carousel-custom .carousel-control-prev {
        left: 0;
    }
    .carousel-custom .carousel-control-next {
        right: 0;
    }
    .carousel-custom .carousel-control-prev:hover,
    .carousel-custom .carousel-control-next:hover {
        filter: brightness(1.05);
        box-shadow: 0 8px 20px rgba(255,77,28,0.35);
    }
    .carousel-custom .carousel-control-prev i,
    .carousel-custom .carousel-control-next i {
        font-size: 1.2rem;
        color: #fff;
    }
    .carousel-indicators-custom {
        display: flex;
        justify-content: center;
        gap: 8px;
        margin-top: 28px;
        padding: 0;
        list-style: none;
    }
    .carousel-indicators-custom li {
        width: 8px;
        height: 8px;
        border-radius: 4px;
        background: var(--border);
        transition: all .3s ease;
        cursor: pointer;
        border: none;
    }
    .carousel-indicators-custom li.active {
        width: 28px;
        background: var(--gradient-primary);
    }

    /* ============ 系统要求 ============ */
    .requirements-section {
        padding: var(--spacing-lg) 0;
        background: var(--bg);
    }
    .req-left {
        padding-right: 50px;
    }
    .req-left h2 {
        font-size: clamp(1.5rem, 3vw, 2.25rem);
        font-weight: 700;
        margin-bottom: 16px;
        line-height: 1.3;
    }
    .req-left p {
        color: var(--text-light);
        font-size: 1rem;
        line-height: 1.75;
        margin-bottom: 24px;
    }
    .req-list-points {
        list-style: none;
        padding: 0;
    }
    .req-list-points li {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        margin-bottom: 10px;
        color: var(--text);
        font-size: 0.95rem;
    }
    .req-list-points li i {
        color: var(--secondary);
        font-size: 0.9rem;
        margin-top: 5px;
    }
    .req-card {
        background: var(--white);
        border-radius: var(--radius-card);
        padding: 32px;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-card);
    }
    .req-card h3 {
        font-size: 1.2rem;
        font-weight: 600;
        margin-bottom: 24px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .req-card h3 i {
        color: var(--primary);
    }
    .req-item {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 0;
        border-bottom: 1px solid rgba(232,226,219,0.5);
    }
    .req-item:last-child {
        border-bottom: none;
    }
    .req-item .req-label {
        display: flex;
        align-items: center;
        gap: 10px;
        color: var(--text-light);
        font-size: 0.9rem;
    }
    .req-item .req-label i {
        width: 28px;
        color: var(--primary);
        font-size: 1rem;
        text-align: center;
    }
    .req-item .req-value {
        font-weight: 600;
        font-size: 0.9rem;
        color: var(--text);
        background: rgba(255,77,28,0.08);
        padding: 4px 12px;
        border-radius: 50px;
        font-variant-numeric: tabular-nums;
    }
    .req-item .req-value.green {
        background: rgba(0,184,107,0.10);
        color: var(--secondary);
    }

    /* ============ 评价墙 ============ */
    .review-section {
        padding: var(--spacing-lg) 0;
        background: var(--white);
    }
    .review-summary {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 24px;
        margin-bottom: 40px;
        flex-wrap: wrap;
    }
    .review-score {
        font-size: 3.5rem;
        font-weight: 800;
        color: var(--text);
        line-height: 1;
        font-variant-numeric: tabular-nums;
    }
    .review-stars {
        color: var(--accent);
        font-size: 1.1rem;
        letter-spacing: 2px;
    }
    .review-count {
        background: rgba(0,184,107,0.10);
        color: var(--secondary);
        border-radius: 50px;
        padding: 6px 16px;
        font-size: 0.85rem;
        font-weight: 600;
    }
    .review-card {
        background: var(--bg);
        border-radius: var(--radius-card);
        padding: 24px 28px;
        border: 1px solid var(--border);
        transition: all .3s ease;
        height: 100%;
        display: flex;
        flex-direction: column;
    }
    .review-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        background: var(--white);
    }
    .review-card .reviewer {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 14px;
    }
    .review-card .reviewer .avatar {
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background: var(--gradient-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-weight: 700;
        font-size: 0.9rem;
        flex-shrink: 0;
    }
    .review-card .reviewer .name {
        font-weight: 600;
        font-size: 0.95rem;
        color: var(--text);
    }
    .review-card .reviewer .stars {
        color: var(--accent);
        font-size: 0.8rem;
        letter-spacing: 1px;
    }
    .review-card .review-content {
        font-size: 0.92rem;
        color: var(--text-light);
        line-height: 1.7;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 12px;
        flex: 1;
    }
    .review-card .review-meta {
        font-size: 0.78rem;
        color: var(--text-light);
        opacity: 0.8;
    }

    /* ============ CMS 资讯 ============ */
    .news-section {
        padding: var(--spacing-lg) 0;
        background: var(--bg);
    }
    .news-list {
        max-width: 860px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .news-card {
        display: flex;
        align-items: center;
        gap: 20px;
        background: var(--white);
        border-radius: var(--radius-card);
        padding: 18px;
        border: 1px solid rgba(232,226,219,0.6);
        box-shadow: var(--shadow-card);
        transition: all .3s ease;
        text-decoration: none;
        color: var(--text);
    }
    .news-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-3px);
        text-decoration: none;
        color: var(--text);
    }
    .news-thumb {
        width: 96px;
        height: 96px;
        border-radius: 16px;
        overflow: hidden;
        flex-shrink: 0;
        position: relative;
    }
    .news-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .news-body {
        flex: 1;
        min-width: 0;
    }
    .news-tag {
        display: inline-block;
        background: rgba(255,77,28,0.10);
        color: var(--primary);
        border-radius: 6px;
        padding: 3px 10px;
        font-size: 0.75rem;
        font-weight: 600;
        margin-bottom: 6px;
    }
    .news-body h3 {
        font-size: 1.05rem;
        font-weight: 600;
        color: var(--text);
        margin-bottom: 4px;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-card:hover .news-body h3 {
        color: var(--primary);
    }
    .news-body .news-excerpt {
        font-size: 0.88rem;
        color: var(--text-light);
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 6px;
    }
    .news-meta {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.78rem;
        color: var(--text-light);
    }
    .news-meta .dot {
        width: 4px;
        height: 4px;
        background: var(--text-light);
        border-radius: 50%;
    }
    .empty-state {
        text-align: center;
        padding: 60px 20px;
        border: 2px dashed var(--border);
        border-radius: var(--radius-card);
        background: var(--white);
    }
    .empty-state i {
        font-size: 2.5rem;
        color: var(--border);
        margin-bottom: 12px;
        display: block;
    }
    .empty-state p {
        color: var(--text-light);
        font-size: 0.95rem;
        margin-bottom: 0;
    }

    /* ============ FAQ ============ */
    .faq-section {
        padding: var(--spacing-lg) 0;
        background: var(--white);
    }
    .faq-wrap {
        max-width: 760px;
        margin: 0 auto;
    }
    .faq-item {
        border: 1px solid var(--border);
        border-radius: 16px;
        margin-bottom: 12px;
        overflow: hidden;
        background: var(--white);
        transition: all .3s ease;
    }
    .faq-item.active {
        border-color: rgba(255,77,28,0.3);
        box-shadow: 0 4px 16px rgba(255,77,28,0.06);
    }
    .faq-question {
        width: 100%;
        background: transparent;
        border: none;
        text-align: left;
        padding: 20px 24px;
        font-size: 1rem;
        font-weight: 600;
        color: var(--text);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
    }
    .faq-question .icon {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: var(--gradient-primary);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.9rem;
        flex-shrink: 0;
        transition: transform .3s ease;
    }
    .faq-item.active .faq-question .icon {
        transform: rotate(45deg);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height .35s ease;
        padding: 0 24px;
        color: var(--text-light);
        font-size: 0.95rem;
        line-height: 1.75;
    }
    .faq-item.active .faq-answer {
        max-height: 300px;
        padding: 0 24px 20px;
    }

    /* ============ CTA ============ */
    .cta-section {
        position: relative;
        background: var(--dark);
        padding: 80px 0;
        text-align: center;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background:
            radial-gradient(circle at 50% 120%, rgba(255,77,28,0.25) 0%, transparent 50%),
            url('/assets/images/backpic/back-3.png') center/cover no-repeat;
        opacity: 0.3;
    }
    .cta-section .container {
        position: relative;
        z-index: 2;
    }
    .cta-section h2 {
        font-size: clamp(1.5rem, 3vw, 2.25rem);
        font-weight: 700;
        color: #fff;
        margin-bottom: 12px;
    }
    .cta-section p {
        color: rgba(255,255,255,0.75);
        font-size: 1rem;
        margin-bottom: 32px;
    }
    .cta-buttons {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
        margin-bottom: 24px;
    }
    .cta-note {
        font-size: 0.8rem;
        color: rgba(255,255,255,0.5);
    }
    .qr-placeholder {
        width: 140px;
        height: 140px;
        border-radius: 20px;
        background: rgba(255,255,255,0.1);
        border: 1px dashed rgba(255,255,255,0.3);
        display: flex;
        align-items: center;
        justify-content: center;
        color: rgba(255,255,255,0.6);
        font-size: 0.8rem;
        margin: 0 auto 20px;
        flex-direction: column;
        gap: 6px;
    }
    .qr-placeholder i {
        font-size: 2rem;
    }

    /* ============ 页脚 ============ */
    .site-footer {
        background: var(--dark);
        padding: 60px 0 24px;
        color: rgba(255,255,255,0.7);
    }
    .site-footer h4 {
        color: #fff;
        font-size: 0.9rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.08em;
        margin-bottom: 20px;
    }
    .site-footer .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 14px;
    }
    .site-footer .footer-brand .brand-icon {
        width: 32px;
        height: 32px;
        border-radius: 10px;
        font-size: 1rem;
    }
    .site-footer .footer-brand span {
        font-weight: 700;
        font-size: 1.1rem;
        color: #fff;
    }
    .site-footer p.footer-desc {
        font-size: 0.85rem;
        line-height: 1.6;
        color: rgba(255,255,255,0.6);
        margin-bottom: 20px;
    }
    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-links li {
        margin-bottom: 10px;
    }
    .footer-links a {
        color: rgba(255,255,255,0.7);
        font-size: 0.88rem;
        transition: color .3s ease;
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .footer-links a:hover {
        color: var(--accent);
    }
    .footer-links a i {
        font-size: 0.6rem;
        color: var(--primary-light);
    }
    .footer-contact li {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 10px;
        font-size: 0.88rem;
    }
    .footer-contact i {
        width: 20px;
        text-align: center;
        color: var(--primary-light);
    }
    .footer-divider {
        border-top: 1px solid rgba(255,255,255,0.1);
        margin-top: 40px;
        margin-bottom: 20px;
    }
    .footer-copyright {
        text-align: center;
        font-size: 0.8rem;
        color: rgba(255,255,255,0.4);
    }

    /* ============ 响应式 ============ */
    @media (max-width: 992px) {
        .section {
            padding: 60px 0;
        }
        .hero {
            padding: 140px 0 70px;
        }
        .hero-device {
            max-width: 340px;
            margin: 40px auto 0;
        }
        .feature-card-wide {
            flex-direction: column;
            text-align: center;
        }
        .feature-card-wide .tech-list {
            justify-content: center;
        }
        .req-left {
            padding-right: 0;
            margin-bottom: 32px;
        }
        .carousel-custom {
            padding: 0 50px;
        }
        .site-header {
            background: rgba(255,255,255,0.96);
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }
        .site-header .navbar-brand-custom {
            color: var(--text) !important;
        }
        .site-header .nav-link-custom {
            color: var(--text) !important;
        }
        .site-header .nav-link-custom:hover,
        .site-header .nav-link-custom.active {
            color: var(--primary) !important;
        }
        .site-header .nav-link-custom::after {
            background: var(--primary);
        }
        .navbar-menu {
            background: rgba(255,255,255,0.98);
            border-radius: 16px;
            padding: 16px;
            box-shadow: 0 12px 28px rgba(0,0,0,0.15);
            margin-top: 10px;
        }
        .navbar-menu .nav-link-custom {
            padding: 10px 16px !important;
        }
        .btn-nav-download {
            margin-top: 10px;
        }
    }

    @media (max-width: 768px) {
        .section {
            padding: 48px 0;
        }
        .hero {
            padding: 120px 0 56px;
        }
        .hero h1 {
            font-size: 1.8rem;
        }
        .hero-sub {
            font-size: 1rem;
        }
        .hero-buttons {
            flex-direction: column;
            align-items: stretch;
        }
        .btn-download {
            justify-content: center;
        }
        .hero-stats {
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        .stat-pill {
            padding: 10px 14px;
            min-width: 0;
        }
        .stat-pill strong {
            font-size: 1.2rem;
        }
        .feature-card-lg {
            min-height: 220px;
        }
        .feature-card-wide {
            padding: 28px 24px;
        }
        .tech-pill {
            font-size: 0.75rem;
            padding: 4px 12px;
        }
        .carousel-custom {
            padding: 0 40px;
        }
        .carousel-custom .carousel-control-prev,
        .carousel-custom .carousel-control-next {
            width: 38px;
            height: 38px;
        }
        .review-summary {
            gap: 12px;
        }
        .review-score {
            font-size: 2.8rem;
        }
        .news-card {
            flex-direction: column;
            align-items: flex-start;
            padding: 16px;
        }
        .news-thumb {
            width: 100%;
            height: 180px;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
        }
        .cta-section {
            padding: 56px 0;
        }
        .site-footer {
            padding: 40px 0 20px;
        }
        .footer-brand-wrap {
            margin-bottom: 24px;
        }
        .footer-col {
            margin-bottom: 24px;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding-left: 16px;
            padding-right: 16px;
        }
        .hero h1 {
            font-size: 1.5rem;
        }
        .hero-sub {
            font-size: 0.92rem;
        }
        .btn-download {
            padding: 12px 18px;
        }
        .btn-download i {
            font-size: 1.5rem;
        }
        .feature-card {
            padding: 24px;
        }
        .feature-card-sm {
            flex-direction: column;
            gap: 10px;
        }
        .feature-card-sm .feature-icon {
            margin-bottom: 0;
        }
        .carousel-custom {
            padding: 0 30px;
        }
        .carousel-custom .carousel-item img {
            max-height: 380px;
        }
        .req-card {
            padding: 24px;
        }
        .review-card {
            padding: 20px;
        }
        .faq-question {
            padding: 16px 18px;
            font-size: 0.92rem;
        }
        .faq-answer {
            padding: 0 18px;
        }
        .faq-item.active .faq-answer {
            padding: 0 18px 16px;
        }
        .cta-buttons {
            flex-direction: column;
            align-items: stretch;
        }
        .cta-buttons .btn-custom {
            justify-content: center;
        }
    }

/* roulang page: category1 */
:root {
            --primary: #FF4D1C;
            --primary-light: #FF8A00;
            --secondary: #00B86B;
            --accent: #FFC93C;
            --bg: #F7F5F2;
            --dark: #1C1A17;
            --white: #FFFFFF;
            --text: #1C1A17;
            --text-light: #6B655E;
            --border: #E8E2DB;
            --radius-card: 20px;
            --radius-btn: 50px;
            --radius-badge: 8px;
            --radius-img: 16px;
            --shadow-card: 0 2px 8px rgba(28, 26, 23, 0.05);
            --shadow-hover: 0 12px 28px rgba(28, 26, 23, 0.10);
            --shadow-primary: 0 4px 14px rgba(255, 77, 28, 0.30);
            --shadow-primary-hover: 0 8px 20px rgba(255, 77, 28, 0.40);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 1rem;
            line-height: 1.7;
            background: var(--bg);
            color: var(--text);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
        }

        /* ===== Header/Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: linear-gradient(180deg, rgba(28, 26, 23, 0.55), rgba(28, 26, 23, 0.05));
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid transparent;
            padding: 14px 0;
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            border-bottom-color: var(--border);
            padding: 10px 0;
        }

        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            transition: var(--transition);
        }

        .navbar-brand-custom:hover {
            color: var(--accent);
        }

        .site-header.scrolled .navbar-brand-custom {
            color: var(--text);
        }

        .site-header.scrolled .navbar-brand-custom:hover {
            color: var(--primary);
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 1.1rem;
            box-shadow: var(--shadow-primary);
        }

        .nav-menu-desktop {
            margin-left: 48px;
        }

        .nav-link-custom {
            position: relative;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            border-radius: 50px;
            transition: var(--transition);
        }

        .nav-link-custom:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-link-custom.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.14);
        }

        .nav-link-custom.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light), var(--accent));
        }

        .site-header.scrolled .nav-link-custom {
            color: var(--text);
        }

        .site-header.scrolled .nav-link-custom:hover {
            color: var(--primary);
            background: rgba(255, 77, 28, 0.06);
        }

        .site-header.scrolled .nav-link-custom.active {
            color: var(--primary);
            background: rgba(255, 77, 28, 0.10);
        }

        .site-header.scrolled .nav-link-custom.active::after {
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
        }

        .btn-nav-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: var(--shadow-primary);
            transition: var(--transition);
            border: none;
        }

        .btn-nav-download:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-primary-hover);
        }

        .navbar-toggler-custom {
            width: 44px;
            height: 44px;
            border: none;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 1.2rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .site-header.scrolled .navbar-toggler-custom {
            color: var(--text);
            background: rgba(28, 26, 23, 0.05);
        }

        .navbar-toggler-custom:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .navbar-menu {
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-hover);
            padding: 16px;
            margin-top: 12px;
        }

        .navbar-menu .nav-link-custom {
            color: var(--text);
            padding: 12px 16px;
            border-radius: 10px;
        }

        .navbar-menu .nav-link-custom:hover {
            background: rgba(255, 77, 28, 0.06);
            color: var(--primary);
        }

        .navbar-menu .nav-link-custom.active {
            background: rgba(255, 77, 28, 0.10);
            color: var(--primary);
        }

        .navbar-menu .nav-link-custom.active::after {
            display: none;
        }

        .navbar-menu .btn-nav-download {
            margin-top: 12px;
            width: 100%;
            justify-content: center;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            padding: 160px 0 80px;
            background: linear-gradient(rgba(28, 26, 23, 0.78), rgba(28, 26, 23, 0.55)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            color: #fff;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(180deg, transparent, rgba(247, 245, 242, 0.08));
            pointer-events: none;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
        }

        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
        }

        .breadcrumb-custom a:hover {
            color: var(--accent);
        }

        .breadcrumb-custom .sep {
            opacity: 0.5;
        }

        .category-hero h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            background: linear-gradient(120deg, #fff 40%, var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .category-hero .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin-bottom: 32px;
        }

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

        .btn-hero-download {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            box-shadow: var(--shadow-primary);
            transition: var(--transition);
            border: none;
        }

        .btn-hero-download:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-primary-hover);
        }

        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            backdrop-filter: blur(4px);
            transition: var(--transition);
        }

        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-stat {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hero-stat .stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.14);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.1rem;
        }

        .hero-stat .stat-info {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .hero-stat .stat-num {
            display: block;
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }

        /* ===== Intro Section ===== */
        .category-intro {
            padding: 90px 0;
        }

        .section-label {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 50px;
            background: rgba(255, 77, 28, 0.10);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 18px;
            color: var(--text);
        }

        .section-sub {
            color: var(--text-light);
            font-size: 1rem;
            margin-bottom: 32px;
            max-width: 720px;
            line-height: 1.7;
        }

        .intro-content p {
            color: var(--text-light);
            margin-bottom: 16px;
            font-size: 0.98rem;
            line-height: 1.8;
        }

        .intro-list {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
        }

        .intro-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
        }

        .intro-list li i {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 184, 107, 0.12);
            color: var(--secondary);
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .intro-media {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .intro-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 340px;
            transition: transform 0.5s ease;
        }

        .intro-media:hover img {
            transform: scale(1.03);
        }

        .intro-media .media-tag {
            position: absolute;
            top: 18px;
            left: 18px;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(28, 26, 23, 0.72);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            backdrop-filter: blur(6px);
        }

        /* ===== Feature Cards ===== */
        .feature-section {
            padding: 90px 0;
            background: #fff;
            border-radius: 40px 40px 0 0;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--bg);
            border-radius: var(--radius-card);
            padding: 32px;
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 20px;
            box-shadow: var(--shadow-primary);
        }

        .feature-card:nth-child(2) .feature-icon {
            background: linear-gradient(135deg, var(--secondary), #2dd488);
            box-shadow: 0 4px 14px rgba(0, 184, 107, 0.3);
        }

        .feature-card:nth-child(3) .feature-icon {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            box-shadow: 0 4px 14px rgba(255, 201, 60, 0.35);
        }

        .feature-card:nth-child(4) .feature-icon {
            background: linear-gradient(135deg, #7b5cff, #b06cff);
            box-shadow: 0 4px 14px rgba(123, 92, 255, 0.3);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text);
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .feature-card::after {
            content: "";
            position: absolute;
            right: -30px;
            top: -30px;
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 77, 28, 0.08), transparent 70%);
            pointer-events: none;
        }

        /* ===== Sports Coverage ===== */
        .coverage-section {
            padding: 90px 0;
            background: var(--bg);
        }

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

        .coverage-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 24px;
            border: 1px solid var(--border);
            transition: var(--transition);
            text-align: left;
        }

        .coverage-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .coverage-card .cov-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(255, 77, 28, 0.08);
            color: var(--primary);
            font-size: 1.2rem;
            margin-bottom: 16px;
        }

        .coverage-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }

        .coverage-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .coverage-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .coverage-tag {
            padding: 3px 10px;
            border-radius: 50px;
            background: rgba(28, 26, 23, 0.05);
            color: var(--text-light);
            font-size: 0.75rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .coverage-tag:hover {
            background: rgba(255, 77, 28, 0.10);
            color: var(--primary);
        }

        /* ===== Info Flow ===== */
        .flow-section {
            padding: 90px 0;
            background: var(--dark);
            color: #fff;
            border-radius: 40px;
            margin: 0 24px;
        }

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

        .flow-section .section-sub {
            color: rgba(255, 255, 255, 0.7);
        }

        .flow-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-top: 40px;
        }

        .flow-step {
            position: relative;
            padding: 32px 24px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            border: 1px solid rgba(255, 255, 255, 0.10);
            transition: var(--transition);
            text-align: center;
        }

        .flow-step:hover {
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-4px);
        }

        .flow-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .flow-step .step-icon {
            font-size: 1.6rem;
            color: var(--accent);
            margin-bottom: 14px;
            display: block;
        }

        .flow-step h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: #fff;
        }

        .flow-step p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== Stats ===== */
        .stats-section {
            padding: 90px 0;
            background: #fff;
        }

        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            background: var(--bg);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            border: 1px solid var(--border);
        }

        .stat-item {
            text-align: center;
            padding: 16px;
            border-radius: var(--radius-card);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: #fff;
            box-shadow: var(--shadow-card);
        }

        .stat-item .stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text);
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.02em;
        }

        .stat-item .stat-num span {
            color: var(--primary);
        }

        .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 90px 0;
            background: var(--bg);
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 12px;
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 77, 28, 0.25);
            box-shadow: var(--shadow-card);
        }

        .faq-toggle {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            background: transparent;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            cursor: pointer;
            transition: var(--transition);
        }

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

        .faq-toggle .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: var(--transition);
        }

        .faq-toggle[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
            background: linear-gradient(135deg, var(--secondary), #2dd488);
        }

        .faq-body {
            padding: 0 24px 24px 24px;
            border-top: 1px solid var(--border);
            padding-top: 16px;
            margin-top: 0;
        }

        .faq-body p {
            font-size: 0.93rem;
            color: var(--text-light);
            line-height: 1.8;
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 100px 0;
            background: linear-gradient(135deg, var(--dark) 0%, #2d291f 60%, #38241c 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 77, 28, 0.25), transparent 70%);
        }

        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 138, 0, 0.20), transparent 70%);
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #fff;
        }

        .cta-section .cta-sub {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 36px;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 18px;
            margin-bottom: 32px;
        }

        .btn-download-large {
            display: inline-flex;
            align-items: center;
            gap: 14px;
            padding: 16px 30px;
            border-radius: 50px;
            background: #fff;
            color: var(--text);
            font-weight: 600;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.20);
            transition: var(--transition);
        }

        .btn-download-large:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
            color: var(--text);
        }

        .btn-download-large .dl-icon {
            font-size: 1.6rem;
            color: var(--primary);
        }

        .btn-download-large .dl-info {
            display: flex;
            flex-direction: column;
            text-align: left;
            line-height: 1.3;
        }

        .btn-download-large .dl-info small {
            font-size: 0.72rem;
            color: var(--text-light);
            font-weight: 400;
        }

        .cta-qr {
            display: inline-flex;
            align-items: center;
            gap: 14px;
            padding: 14px 22px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.85);
        }

        .cta-qr .qr-box {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark);
            font-size: 1.4rem;
        }

        .cta-tip {
            margin-top: 24px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 70px 0 0;
            font-size: 0.92rem;
        }

        .footer-brand-wrap {
            margin-bottom: 24px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .brand-icon {
            width: 38px;
            height: 38px;
            font-size: 1rem;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .footer-links a i {
            font-size: 0.75rem;
        }

        .footer-links.footer-contact li {
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-links.footer-contact i {
            color: var(--primary-light);
            width: 18px;
            text-align: center;
        }

        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 48px;
        }

        .footer-copyright {
            padding: 22px 0;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .category-hero {
                padding: 140px 0 64px;
            }

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

            .flow-steps {
                gap: 20px;
            }

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

        @media (max-width: 768px) {
            .category-hero {
                padding: 120px 0 48px;
            }

            .category-hero h1 {
                font-size: 1.9rem;
            }

            .category-hero .hero-desc {
                font-size: 0.95rem;
            }

            .hero-actions {
                flex-direction: column;
            }

            .btn-hero-download,
            .btn-hero-outline {
                width: 100%;
                justify-content: center;
            }

            .hero-stats-row {
                gap: 14px;
                margin-top: 32px;
                padding-top: 24px;
            }

            .hero-stat {
                flex: 1 1 45%;
            }

            .category-intro {
                padding: 56px 0;
            }

            .feature-section,
            .coverage-section,
            .stats-section,
            .faq-section {
                padding: 56px 0;
            }

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

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

            .flow-section {
                margin: 0;
                border-radius: 0;
                padding: 56px 0;
            }

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

            .stats-bar {
                grid-template-columns: 1fr 1fr;
                padding: 28px 16px;
                gap: 16px;
            }

            .stat-item .stat-num {
                font-size: 1.5rem;
            }

            .cta-section {
                padding: 64px 0;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .btn-download-large {
                width: 100%;
                justify-content: center;
            }

            .site-footer {
                padding-top: 48px;
            }

            .footer-col {
                margin-bottom: 24px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.7rem;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .stats-bar {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: article */
:root {
            --primary: #FF4D1C;
            --primary-light: #FF8A00;
            --secondary: #00B86B;
            --accent: #FFC93C;
            --bg-page: #F7F5F2;
            --bg-dark: #1C1A17;
            --bg-card: #FFFFFF;
            --text-main: #1C1A17;
            --text-sub: #6B655E;
            --border: #E8E2DB;
            --radius-card: 20px;
            --radius-btn: 50px;
            --radius-badge: 8px;
            --radius-img: 16px;
            --shadow-card: 0 2px 8px rgba(28,26,23,0.05);
            --shadow-card-hover: 0 12px 28px rgba(28,26,23,0.10);
            --shadow-btn: 0 4px 14px rgba(255,77,28,0.30);
            --transition: all .3s ease;
            --font-family: "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-family);
            color: var(--text-main);
            background: var(--bg-page);
            line-height: 1.7;
            font-size: 1rem;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        a:hover {
            color: inherit;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        button {
            border: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .gap-2 {
            gap: .5rem !important;
        }
        .gap-3 {
            gap: 1rem !important;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 245, 242, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(232, 226, 219, 0.8);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }
        .site-header .navbar {
            padding: 14px 0;
            min-height: 70px;
        }
        .navbar-brand-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-main);
            white-space: nowrap;
        }
        .navbar-brand-custom:hover {
            color: var(--text-main);
            transform: translateY(-1px);
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 1.1rem;
            border-radius: 14px;
            box-shadow: var(--shadow-btn);
        }
        .nav-menu-desktop {
            gap: 6px !important;
        }
        .nav-link-custom {
            padding: 8px 18px !important;
            font-weight: 500;
            color: var(--text-main);
            border-radius: 50px;
            font-size: 0.95rem;
            transition: var(--transition);
            line-height: 1.4;
        }
        .nav-link-custom:hover {
            color: var(--primary);
            background: rgba(255, 77, 28, 0.06);
        }
        .nav-link-custom.active {
            color: var(--primary);
            background: linear-gradient(135deg, rgba(255, 77, 28, 0.12), rgba(255, 138, 0, 0.12));
            font-weight: 600;
        }
        .btn-nav-download {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 22px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff !important;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: var(--shadow-btn);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-nav-download:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 77, 28, 0.40);
            color: #fff !important;
        }
        .navbar-toggler-custom {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .navbar-toggler-custom:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .navbar-menu {
            padding: 12px 0 16px;
            border-top: 1px solid var(--border);
            margin-top: 4px;
        }
        .navbar-menu .nav-link-custom {
            display: block;
            padding: 13px 16px !important;
            margin-bottom: 4px;
        }
        .navbar-menu .btn-nav-download {
            margin-left: 16px;
        }

        /* ===== 面包屑 ===== */
        .page-breadcrumb {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
            font-size: 0.88rem;
            color: var(--text-sub);
        }
        .page-breadcrumb a {
            color: var(--text-sub);
            font-weight: 500;
        }
        .page-breadcrumb a:hover {
            color: var(--primary);
        }
        .page-breadcrumb .separator {
            margin: 0 8px;
            color: #C4BCB2;
        }
        .page-breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== 文章标题区 ===== */
        .article-header-section {
            padding: 56px 0 32px;
            background: linear-gradient(135deg, #FFFFFF 0%, #FFF3EC 100%);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .article-header-section::before {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(255, 77, 28, 0.06), rgba(255, 138, 0, 0.05));
            top: -160px;
            right: -80px;
            pointer-events: none;
        }
        .article-header-inner {
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .article-header-inner h1 {
            font-size: clamp(1.6rem, 3.2vw, 2.6rem);
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.02em;
            margin: 18px 0 20px;
            color: var(--text-main);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 10px 20px;
            color: var(--text-sub);
            font-size: 0.9rem;
        }
        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 14px;
            background: linear-gradient(135deg, rgba(255, 77, 28, 0.12), rgba(255, 138, 0, 0.12));
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .badge-official {
            background: rgba(0, 184, 107, 0.12);
            color: var(--secondary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* ===== 正文区 ===== */
        .article-main {
            padding: 48px 0 64px;
        }
        .article-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: clamp(28px, 4vw, 56px);
            max-width: 860px;
            margin: 0 auto;
            border: 1px solid rgba(232, 226, 219, 0.6);
        }
        .article-body {
            max-width: 760px;
            margin: 0 auto;
        }
        .article-body p {
            margin-bottom: 1.4rem;
            line-height: 1.8;
            color: #3D3730;
        }
        .article-body h2,
        .article-body h3 {
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-weight: 700;
            color: var(--text-main);
        }
        .article-body h2 {
            font-size: 1.5rem;
            border-left: 4px solid var(--primary);
            padding-left: 14px;
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 1.2rem;
            line-height: 1.5;
        }
        .article-body a {
            color: var(--primary);
            border-bottom: 1px dashed var(--primary);
        }
        .article-body a:hover {
            color: var(--primary-light);
            border-bottom-style: solid;
        }
        .article-body img {
            width: 100%;
            border-radius: var(--radius-img);
            margin: 1.2rem 0;
        }
        .article-body figcaption {
            text-align: center;
            color: var(--text-sub);
            font-size: 0.85rem;
            margin-top: -0.6rem;
            margin-bottom: 1.2rem;
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: #FFF6F1;
            padding: 16px 24px;
            border-radius: 8px;
            margin: 1.6rem 0;
            color: #5A5047;
            font-style: italic;
        }
        .article-body ul,
        .article-body ol {
            margin: 1.2rem 0 1.4rem;
            padding-left: 1.6rem;
        }
        .article-body ul {
            list-style: disc;
        }
        .article-body ol {
            list-style: decimal;
        }
        .article-body li {
            margin-bottom: 0.5rem;
            line-height: 1.8;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            border-radius: 12px;
            overflow: hidden;
            font-size: 0.9rem;
        }
        .article-body th {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            padding: 10px 16px;
            text-align: left;
            font-weight: 600;
        }
        .article-body td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border);
            color: #3D3730;
        }
        .article-body tr:nth-child(even) td {
            background: #FBF8F5;
        }
        .article-body tr:last-child td {
            border-bottom: none;
        }
        .article-body strong {
            color: var(--text-main);
            font-weight: 700;
        }
        .article-body em {
            color: var(--secondary);
            font-style: italic;
        }

        /* ===== 文章底部 ===== */
        .article-footer {
            max-width: 760px;
            margin: 0 auto;
            padding-top: 32px;
            border-top: 1px solid var(--border);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 28px;
        }
        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 16px;
            background: #F5F1EC;
            border-radius: 50px;
            font-size: 0.82rem;
            color: var(--text-sub);
            border: 1px solid var(--border);
            transition: var(--transition);
            font-weight: 500;
        }
        .tag-item:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: rgba(255, 77, 28, 0.06);
        }
        .article-nav {
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1.5px solid var(--border);
            background: #fff;
            color: var(--text-main);
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 500;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .btn-outline-custom:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(255, 77, 28, 0.12);
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border: none;
            color: #fff;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: var(--shadow-btn);
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 77, 28, 0.40);
        }

        /* ===== 无内容状态 ===== */
        .missing-content {
            text-align: center;
            padding: 60px 20px 40px;
        }
        .missing-content .icon-wrap {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(255, 77, 28, 0.1), rgba(255, 138, 0, 0.1));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 22px;
            font-size: 2rem;
            color: var(--primary);
        }
        .missing-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .missing-content p {
            color: var(--text-sub);
            margin-bottom: 28px;
            max-width: 420px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 0 0 64px;
        }
        .related-section .section-title {
            text-align: center;
            font-size: clamp(1.4rem, 2.5vw, 2rem);
            font-weight: 700;
            margin-bottom: 8px;
        }
        .related-section .section-sub {
            text-align: center;
            color: var(--text-sub);
            font-size: 0.92rem;
            margin-bottom: 32px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid rgba(232, 226, 219, 0.6);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .related-card .img-wrap {
            display: block;
            overflow: hidden;
            height: 140px;
        }
        .related-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .related-card:hover .img-wrap img {
            transform: scale(1.05);
        }
        .related-card-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-body .badge-custom {
            align-self: flex-start;
            margin-bottom: 10px;
        }
        .related-card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .related-card-body h3 a:hover {
            color: var(--primary);
        }
        .related-card-body p {
            font-size: 0.85rem;
            color: var(--text-sub);
            margin-bottom: 14px;
            flex: 1;
            line-height: 1.6;
        }
        .related-card-body .time {
            font-size: 0.8rem;
            color: #A69E94;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            width: 480px;
            height: 480px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            opacity: 0.22;
            top: -180px;
            right: -80px;
            filter: blur(60px);
            pointer-events: none;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 201, 60, 0.12), transparent 70%);
            bottom: -100px;
            left: -60px;
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            color: #fff;
        }
        .cta-inner h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        .cta-inner p {
            color: #F5E9DC;
            margin-bottom: 28px;
            font-size: 1rem;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-download-app {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 14px 28px;
            border-radius: 16px;
            transition: var(--transition);
            text-align: left;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            min-width: 200px;
        }
        .btn-download-app i {
            font-size: 1.8rem;
            color: var(--accent);
        }
        .btn-download-app span {
            font-weight: 700;
            line-height: 1.3;
            font-size: 1rem;
        }
        .btn-download-app small {
            font-weight: 400;
            font-size: 0.75rem;
            color: #F5E9DC;
        }
        .btn-download-app:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
            color: #fff;
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: #F5E9DC;
            padding: 64px 0 0;
        }
        .footer-brand-wrap .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: #AFA495;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            color: #fff;
            font-weight: 700;
            letter-spacing: 0.08em;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a,
        .footer-contact li {
            color: #AFA495;
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-links i,
        .footer-contact i {
            color: var(--primary-light);
            margin-right: 8px;
            width: 14px;
            text-align: center;
        }
        .footer-contact {
            line-height: 1.6;
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 48px;
        }
        .footer-copyright {
            padding: 18px 0;
            text-align: center;
            font-size: 0.82rem;
            color: #8A8278;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .site-header .navbar {
                min-height: 64px;
            }
            .article-header-section {
                padding: 40px 0 24px;
            }
            .article-card {
                padding: 28px 20px;
            }
        }
        @media (max-width: 768px) {
            .article-header-section {
                padding: 32px 0 20px;
            }
            .article-header-inner h1 {
                margin: 14px 0 16px;
            }
            .article-meta {
                gap: 8px 14px;
                font-size: 0.82rem;
            }
            .article-main {
                padding: 32px 0 48px;
            }
            .article-card {
                padding: 22px 16px;
                border-radius: 16px;
            }
            .article-body p {
                font-size: 0.95rem;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            .article-nav {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-outline-custom {
                justify-content: center;
            }
            .cta-btns {
                flex-direction: column;
                align-items: center;
            }
            .btn-download-app {
                width: 100%;
                max-width: 320px;
                justify-content: flex-start;
            }
            .footer-brand-wrap {
                margin-bottom: 24px;
            }
            .footer-col {
                margin-bottom: 24px;
            }
            .related-card .img-wrap {
                height: 110px;
            }
        }
        @media (max-width: 520px) {
            .navbar-brand-custom {
                font-size: 1.15rem;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
                border-radius: 12px;
            }
            .btn-nav-download {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .article-header-inner h1 {
                font-size: 1.4rem;
            }
            .article-card {
                padding: 18px 14px;
            }
            .article-body blockquote {
                padding: 14px 18px;
            }
            .article-body table {
                font-size: 0.8rem;
            }
            .article-body th,
            .article-body td {
                padding: 8px 10px;
            }
            .missing-content {
                padding: 40px 16px 24px;
            }
            .missing-content .icon-wrap {
                width: 64px;
                height: 64px;
                font-size: 1.6rem;
            }
        }