/* roulang page: index */
/* ===== 设计变量 ===== */
    :root {
        --primary: #0f1e33;
        --primary-light: #1a2d4a;
        --secondary: #e85d2a;
        --secondary-hover: #d44d1a;
        --accent: #f5b820;
        --accent-soft: #fef3d6;
        --bg-dark: #0b1420;
        --bg-darker: #070e17;
        --bg-light: #f6f8fc;
        --bg-white: #ffffff;
        --text-primary: #0f1a2b;
        --text-secondary: #4a5568;
        --text-muted: #8896a8;
        --text-white: #ffffff;
        --text-light: #e2e8f0;
        --border-color: #e2e8f0;
        --border-light: #f0f2f5;
        --radius-sm: 6px;
        --radius-md: 12px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
        --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.04);
        --shadow-lg: 0 12px 40px rgba(0,0,0,0.12), 0 4px 16px rgba(0,0,0,0.06);
        --shadow-xl: 0 24px 60px rgba(0,0,0,0.16);
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        --container-max: 1200px;
        --header-height: 72px;
        --spacing-section: 80px;
        --spacing-block: 48px;
    }

    /* ===== 基础重置 ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-primary);
        background: var(--bg-light);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--secondary); }
    button { font-family: inherit; cursor: pointer; border: none; background: none; font-size: inherit; transition: var(--transition); }
    input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
    h1 { font-size: 2.8rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.4rem; }
    h4 { font-size: 1.15rem; }
    p { margin-bottom: 0; }

    /* ===== 容器 ===== */
    .container {
        width: 100%;
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 24px;
    }
    .container-narrow { max-width: 920px; }
    .container-wide { max-width: 1400px; }

    /* ===== 通用板块 ===== */
    .section {
        padding: var(--spacing-section) 0;
        position: relative;
    }
    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--secondary);
        text-transform: uppercase;
        letter-spacing: 2px;
        margin-bottom: 12px;
    }
    .section-label i { font-size: 0.75rem; }
    .section-title {
        font-size: 2.2rem;
        font-weight: 800;
        margin-bottom: 16px;
        color: var(--text-primary);
        line-height: 1.25;
    }
    .section-sub {
        font-size: 1.05rem;
        color: var(--text-secondary);
        max-width: 640px;
        margin-bottom: 40px;
        line-height: 1.7;
    }
    .section-title-center, .section-sub-center { text-align: center; margin-left: auto; margin-right: auto; }
    .section-sub-center { max-width: 700px; }

    /* ===== 按钮 ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 28px;
        font-size: 1rem;
        font-weight: 600;
        border-radius: var(--radius-md);
        transition: var(--transition);
        border: 2px solid transparent;
        line-height: 1.4;
        white-space: nowrap;
    }
    .btn-primary {
        background: var(--secondary);
        color: #fff;
        border-color: var(--secondary);
    }
    .btn-primary:hover {
        background: var(--secondary-hover);
        border-color: var(--secondary-hover);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(232,93,42,0.35);
    }
    .btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(232,93,42,0.25); }
    .btn-outline {
        background: transparent;
        color: var(--text-white);
        border-color: rgba(255,255,255,0.5);
    }
    .btn-outline:hover {
        background: rgba(255,255,255,0.12);
        border-color: #fff;
        color: #fff;
        transform: translateY(-2px);
    }
    .btn-outline:active { transform: translateY(0); }
    .btn-dark {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }
    .btn-dark:hover {
        background: var(--primary-light);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(15,30,51,0.3);
    }
    .btn-accent {
        background: var(--accent);
        color: var(--text-primary);
        border-color: var(--accent);
    }
    .btn-accent:hover {
        background: #e5a71a;
        color: var(--text-primary);
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(245,184,32,0.35);
    }
    .btn-sm { padding: 8px 18px; font-size: 0.875rem; border-radius: 8px; }
    .btn-lg { padding: 16px 36px; font-size: 1.1rem; border-radius: 14px; }
    .btn i { font-size: 0.9em; }

    /* ===== 徽章/标签 ===== */
    .badge {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 4px 14px;
        font-size: 0.78rem;
        font-weight: 600;
        border-radius: 50px;
        background: var(--accent-soft);
        color: var(--secondary);
        letter-spacing: 0.3px;
    }
    .badge-hot {
        background: #fee2e2;
        color: #dc2626;
    }
    .badge-new {
        background: #dcfce7;
        color: #16a34a;
    }
    .badge-blue {
        background: #dbeafe;
        color: #2563eb;
    }
    .badge i { font-size: 0.7rem; }

    /* ===== 卡片 ===== */
    .card {
        background: var(--bg-white);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: var(--transition);
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
    }
    .card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-4px);
    }
    .card-img {
        width: 100%;
        aspect-ratio: 16/9;
        object-fit: cover;
        transition: var(--transition);
    }
    .card:hover .card-img { transform: scale(1.03); }
    .card-body { padding: 20px 22px 24px; }
    .card-title {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: 8px;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .card-text {
        font-size: 0.92rem;
        color: var(--text-secondary);
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .card-meta {
        display: flex;
        align-items: center;
        gap: 16px;
        font-size: 0.82rem;
        color: var(--text-muted);
        margin-top: 14px;
        padding-top: 14px;
        border-top: 1px solid var(--border-light);
    }
    .card-meta i { margin-right: 4px; font-size: 0.75rem; }
    .card-meta span { display: inline-flex; align-items: center; }

    /* ===== 网格 ===== */
    .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
    .grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 28px; }
    .grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 24px; }
    .grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 28px; }

    /* ===== 导航 ===== */
    .header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        height: var(--header-height);
        background: rgba(11,20,32,0.92);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(255,255,255,0.06);
        transition: var(--transition);
    }
    .header.scrolled { background: rgba(11,20,32,0.98); box-shadow: 0 4px 30px rgba(0,0,0,0.3); }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 24px;
    }
    .header-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--text-white);
        letter-spacing: 0.5px;
        flex-shrink: 0;
    }
    .header-logo i {
        font-size: 1.4rem;
        color: var(--accent);
        background: rgba(245,184,32,0.15);
        padding: 6px;
        border-radius: 8px;
    }
    .header-logo:hover { color: var(--accent); }
    .header-nav {
        display: flex;
        align-items: center;
        gap: 32px;
        margin: 0 20px;
    }
    .header-nav a {
        font-size: 0.92rem;
        font-weight: 500;
        color: rgba(255,255,255,0.7);
        padding: 6px 0;
        position: relative;
        letter-spacing: 0.3px;
        transition: var(--transition);
    }
    .header-nav a::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--accent);
        transition: var(--transition);
        border-radius: 2px;
    }
    .header-nav a:hover { color: #fff; }
    .header-nav a:hover::after { width: 100%; }
    .header-nav a.active { color: #fff; font-weight: 600; }
    .header-nav a.active::after { width: 100%; background: var(--secondary); }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }
    .header-search {
        display: flex;
        align-items: center;
        background: rgba(255,255,255,0.08);
        border-radius: 50px;
        padding: 0 16px;
        height: 40px;
        border: 1px solid rgba(255,255,255,0.1);
        transition: var(--transition);
        width: 200px;
    }
    .header-search:focus-within {
        background: rgba(255,255,255,0.14);
        border-color: rgba(255,255,255,0.2);
        width: 240px;
    }
    .header-search i { color: rgba(255,255,255,0.4); font-size: 0.85rem; margin-right: 10px; }
    .header-search input {
        background: transparent;
        color: #fff;
        font-size: 0.85rem;
        width: 100%;
        height: 100%;
    }
    .header-search input::placeholder { color: rgba(255,255,255,0.35); }
    .header-search input:focus { outline: none; }
    .header-btn {
        height: 40px;
        padding: 0 20px;
        font-size: 0.85rem;
        font-weight: 600;
        border-radius: 50px;
        background: var(--secondary);
        color: #fff;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: var(--transition);
    }
    .header-btn:hover {
        background: var(--secondary-hover);
        transform: translateY(-1px);
        box-shadow: 0 6px 20px rgba(232,93,42,0.35);
        color: #fff;
    }
    .header-btn-outline {
        background: transparent;
        border: 1px solid rgba(255,255,255,0.25);
        color: rgba(255,255,255,0.85);
    }
    .header-btn-outline:hover {
        background: rgba(255,255,255,0.1);
        border-color: rgba(255,255,255,0.4);
        color: #fff;
        box-shadow: none;
    }

    /* 移动端汉堡菜单 */
    .hamburger {
        display: none;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        width: 32px;
        height: 32px;
        cursor: pointer;
        padding: 4px;
        background: transparent;
        border: none;
    }
    .hamburger span {
        display: block;
        height: 2.5px;
        background: #fff;
        border-radius: 4px;
        transition: var(--transition);
        transform-origin: center;
    }
    .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); }

    /* 移动端菜单 */
    .mobile-menu {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(11,20,32,0.98);
        backdrop-filter: blur(20px);
        padding: 20px 24px 32px;
        border-bottom: 1px solid rgba(255,255,255,0.06);
        box-shadow: 0 20px 60px rgba(0,0,0,0.4);
        z-index: 999;
        transform: translateY(-12px);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }
    .mobile-menu.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .mobile-menu a {
        display: block;
        padding: 12px 0;
        font-size: 1.05rem;
        font-weight: 500;
        color: rgba(255,255,255,0.7);
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    .mobile-menu a:last-child { border-bottom: none; }
    .mobile-menu a:hover { color: #fff; }
    .mobile-menu a.active { color: var(--accent); font-weight: 600; }
    .mobile-menu .header-btn {
        margin-top: 16px;
        width: 100%;
        justify-content: center;
        height: 44px;
    }

    /* ===== Hero 首屏 ===== */
    .hero {
        min-height: 92vh;
        display: flex;
        align-items: center;
        position: relative;
        background: var(--bg-dark);
        overflow: hidden;
        padding-top: var(--header-height);
    }
    .hero-bg {
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        opacity: 0.35;
        transform: scale(1.05);
        transition: transform 8s ease;
    }
    .hero:hover .hero-bg { transform: scale(1.0); }
    .hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(11,20,32,0.92) 0%, rgba(11,20,32,0.7) 50%, rgba(11,20,32,0.88) 100%);
    }
    .hero-particles {
        position: absolute;
        inset: 0;
        background: radial-gradient(circle at 20% 50%, rgba(232,93,42,0.06) 0%, transparent 50%),
                    radial-gradient(circle at 80% 20%, rgba(245,184,32,0.05) 0%, transparent 50%);
        pointer-events: none;
    }
    .hero-content {
        position: relative;
        z-index: 2;
        max-width: 820px;
        padding: 40px 0 60px;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 18px;
        background: rgba(245,184,32,0.12);
        border: 1px solid rgba(245,184,32,0.2);
        border-radius: 50px;
        font-size: 0.82rem;
        font-weight: 600;
        color: var(--accent);
        margin-bottom: 28px;
        letter-spacing: 0.5px;
    }
    .hero-badge i { font-size: 0.75rem; }
    .hero-badge .live-dot {
        display: inline-block;
        width: 8px;
        height: 8px;
        background: #22c55e;
        border-radius: 50%;
        animation: pulse-dot 1.5s ease-in-out infinite;
        margin-right: 4px;
    }
    @keyframes pulse-dot {
        0%, 100% { opacity: 1; transform: scale(1); }
        50% { opacity: 0.5; transform: scale(0.8); }
    }
    .hero-title {
        font-size: 3.4rem;
        font-weight: 900;
        color: var(--text-white);
        line-height: 1.15;
        margin-bottom: 20px;
        letter-spacing: -0.5px;
    }
    .hero-title span { color: var(--accent); }
    .hero-desc {
        font-size: 1.15rem;
        color: rgba(255,255,255,0.65);
        line-height: 1.7;
        max-width: 600px;
        margin-bottom: 36px;
    }
    .hero-actions {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
    }
    .hero-stats {
        display: flex;
        gap: 40px;
        margin-top: 48px;
        padding-top: 36px;
        border-top: 1px solid rgba(255,255,255,0.08);
    }
    .hero-stat h4 {
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--text-white);
        line-height: 1.2;
    }
    .hero-stat h4 small { font-size: 1rem; font-weight: 400; color: var(--accent); }
    .hero-stat p {
        font-size: 0.85rem;
        color: rgba(255,255,255,0.45);
        margin-top: 4px;
    }

    /* ===== 实时状态条 ===== */
    .live-bar {
        background: var(--primary);
        border-bottom: 1px solid rgba(255,255,255,0.05);
        padding: 10px 0;
        overflow: hidden;
        position: relative;
    }
    .live-bar-inner {
        display: flex;
        align-items: center;
        gap: 24px;
        animation: scroll-live 30s linear infinite;
        white-space: nowrap;
    }
    .live-bar-item {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.82rem;
        color: rgba(255,255,255,0.6);
    }
    .live-bar-item .dot {
        width: 6px;
        height: 6px;
        background: #22c55e;
        border-radius: 50%;
        animation: pulse-dot 1.5s ease-in-out infinite;
    }
    .live-bar-item strong { color: rgba(255,255,255,0.85); font-weight: 600; }
    @keyframes scroll-live {
        0% { transform: translateX(0); }
        100% { transform: translateX(-50%); }
    }

    /* ===== 数据统计 ===== */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    .stat-card {
        background: var(--bg-white);
        border-radius: var(--radius-md);
        padding: 32px 24px;
        text-align: center;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
        transition: var(--transition);
    }
    .stat-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-4px);
    }
    .stat-card .icon {
        width: 56px;
        height: 56px;
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.4rem;
        margin: 0 auto 16px;
        background: var(--accent-soft);
        color: var(--secondary);
    }
    .stat-card h3 {
        font-size: 2rem;
        font-weight: 800;
        color: var(--text-primary);
        margin-bottom: 4px;
    }
    .stat-card p {
        font-size: 0.9rem;
        color: var(--text-muted);
    }

    /* ===== 服务/分类卡片 ===== */
    .service-card {
        background: var(--bg-white);
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
        transition: var(--transition);
        position: relative;
    }
    .service-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-6px);
    }
    .service-card .card-img-wrap {
        position: relative;
        overflow: hidden;
        aspect-ratio: 16/10;
    }
    .service-card .card-img-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: var(--transition);
    }
    .service-card:hover .card-img-wrap img { transform: scale(1.05); }
    .service-card .card-img-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(0deg, rgba(11,20,32,0.5) 0%, transparent 60%);
    }
    .service-card .badge {
        position: absolute;
        top: 14px;
        left: 14px;
        z-index: 2;
    }
    .service-card .card-body { padding: 20px 22px 24px; }
    .service-card .card-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
    .service-card .card-body p { font-size: 0.88rem; color: var(--text-secondary); }
    .service-card .card-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 22px;
        border-top: 1px solid var(--border-light);
        font-size: 0.85rem;
        color: var(--text-muted);
    }
    .service-card .card-footer a { color: var(--secondary); font-weight: 600; display: flex; align-items: center; gap: 4px; }
    .service-card .card-footer a:hover { gap: 8px; }

    /* ===== 资讯列表 ===== */
    .news-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .news-item {
        display: flex;
        align-items: flex-start;
        gap: 18px;
        padding: 18px 22px;
        background: var(--bg-white);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
        transition: var(--transition);
    }
    .news-item:hover {
        box-shadow: var(--shadow-md);
        transform: translateX(4px);
        border-color: var(--secondary);
    }
    .news-item .num {
        flex-shrink: 0;
        width: 36px;
        height: 36px;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 0.9rem;
        background: var(--accent-soft);
        color: var(--secondary);
    }
    .news-item .num.top3 { background: var(--secondary); color: #fff; }
    .news-item .content { flex: 1; min-width: 0; }
    .news-item .content h4 {
        font-size: 1rem;
        font-weight: 600;
        margin-bottom: 4px;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-item .content h4 a:hover { color: var(--secondary); }
    .news-item .content p {
        font-size: 0.85rem;
        color: var(--text-secondary);
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-item .meta {
        flex-shrink: 0;
        display: flex;
        flex-direction: column;
        align-items: flex-end;
        gap: 4px;
        font-size: 0.78rem;
        color: var(--text-muted);
    }
    .news-item .meta .tag {
        padding: 2px 10px;
        border-radius: 50px;
        font-size: 0.7rem;
        font-weight: 600;
        background: var(--accent-soft);
        color: var(--secondary);
    }
    .news-empty {
        text-align: center;
        padding: 48px 24px;
        color: var(--text-muted);
        font-size: 1rem;
        background: var(--bg-white);
        border-radius: var(--radius-md);
        border: 1px dashed var(--border-color);
    }
    .news-empty i { font-size: 2rem; display: block; margin-bottom: 12px; opacity: 0.4; }

    /* ===== 图文区块 ===== */
    .feature-block {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 50px;
        align-items: center;
    }
    .feature-block.reverse { direction: rtl; }
    .feature-block.reverse > * { direction: ltr; }
    .feature-image {
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-lg);
        position: relative;
    }
    .feature-image img {
        width: 100%;
        height: 420px;
        object-fit: cover;
        transition: var(--transition);
    }
    .feature-image:hover img { transform: scale(1.02); }
    .feature-image .play-btn {
        position: absolute;
        inset: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(11,20,32,0.25);
        transition: var(--transition);
    }
    .feature-image .play-btn i {
        width: 64px;
        height: 64px;
        background: rgba(255,255,255,0.9);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        color: var(--secondary);
        transition: var(--transition);
        box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    }
    .feature-image:hover .play-btn i { transform: scale(1.1); background: #fff; }
    .feature-content h2 { font-size: 1.8rem; margin-bottom: 16px; }
    .feature-content p { font-size: 1rem; color: var(--text-secondary); margin-bottom: 20px; line-height: 1.8; }
    .feature-content .feature-list { display: flex; flex-direction: column; gap: 12px; }
    .feature-content .feature-list li {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        font-size: 0.95rem;
        color: var(--text-secondary);
    }
    .feature-content .feature-list li i { color: var(--secondary); font-size: 0.85rem; margin-top: 4px; }

    /* ===== 流程步骤 ===== */
    .steps-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
        position: relative;
    }
    .steps-grid::before {
        content: '';
        position: absolute;
        top: 48px;
        left: 10%;
        right: 10%;
        height: 2px;
        background: linear-gradient(90deg, var(--secondary), var(--accent), var(--secondary));
        opacity: 0.2;
        z-index: 0;
    }
    .step-card {
        background: var(--bg-white);
        border-radius: var(--radius-md);
        padding: 32px 22px;
        text-align: center;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
        position: relative;
        z-index: 1;
        transition: var(--transition);
    }
    .step-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-4px);
    }
    .step-card .step-num {
        width: 52px;
        height: 52px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        font-weight: 800;
        margin: 0 auto 16px;
        background: var(--accent-soft);
        color: var(--secondary);
        border: 2px solid rgba(232,93,42,0.1);
    }
    .step-card:nth-child(1) .step-num { background: var(--secondary); color: #fff; border-color: var(--secondary); }
    .step-card h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
    .step-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; }

    /* ===== FAQ ===== */
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .faq-item {
        background: var(--bg-white);
        border-radius: var(--radius-md);
        border: 1px solid var(--border-light);
        overflow: hidden;
        transition: var(--transition);
    }
    .faq-item:hover { border-color: var(--border-color); box-shadow: var(--shadow-sm); }
    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 18px 24px;
        font-size: 1rem;
        font-weight: 600;
        color: var(--text-primary);
        background: transparent;
        text-align: left;
        gap: 16px;
        cursor: pointer;
    }
    .faq-question i {
        font-size: 0.85rem;
        color: var(--text-muted);
        transition: var(--transition);
        flex-shrink: 0;
    }
    .faq-item.open .faq-question i { transform: rotate(180deg); color: var(--secondary); }
    .faq-answer {
        padding: 0 24px 0;
        max-height: 0;
        overflow: hidden;
        transition: all 0.35s ease;
        color: var(--text-secondary);
        font-size: 0.95rem;
        line-height: 1.7;
    }
    .faq-item.open .faq-answer {
        padding: 0 24px 20px;
        max-height: 300px;
    }

    /* ===== CTA ===== */
    .cta-section {
        background: var(--bg-dark);
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        opacity: 0.08;
    }
    .cta-section .container { position: relative; z-index: 1; }
    .cta-box {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
        border-radius: var(--radius-lg);
        padding: 56px 48px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 40px;
        border: 1px solid rgba(255,255,255,0.06);
        box-shadow: var(--shadow-xl);
    }
    .cta-box h2 {
        font-size: 1.8rem;
        color: var(--text-white);
        margin-bottom: 8px;
    }
    .cta-box p {
        color: rgba(255,255,255,0.55);
        font-size: 1rem;
    }
    .cta-box .btn-group { display: flex; gap: 12px; flex-shrink: 0; }

    /* ===== 页脚 ===== */
    .footer {
        background: var(--bg-darker);
        padding: 60px 0 30px;
        border-top: 1px solid rgba(255,255,255,0.04);
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.2fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-brand .header-logo { margin-bottom: 16px; }
    .footer-brand p {
        font-size: 0.9rem;
        color: rgba(255,255,255,0.4);
        line-height: 1.7;
        max-width: 320px;
    }
    .footer h4 {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--text-white);
        margin-bottom: 18px;
        letter-spacing: 0.5px;
    }
    .footer ul li { margin-bottom: 10px; }
    .footer ul a {
        font-size: 0.88rem;
        color: rgba(255,255,255,0.4);
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .footer ul a:hover { color: var(--accent); padding-left: 4px; }
    .footer ul a i { font-size: 0.65rem; opacity: 0.5; }
    .footer-newsletter p { font-size: 0.85rem; color: rgba(255,255,255,0.4); margin-bottom: 14px; }
    .footer-newsletter .input-group {
        display: flex;
        gap: 8px;
    }
    .footer-newsletter .input-group input {
        flex: 1;
        padding: 10px 16px;
        border-radius: 8px;
        background: rgba(255,255,255,0.06);
        border: 1px solid rgba(255,255,255,0.08);
        color: #fff;
        font-size: 0.85rem;
    }
    .footer-newsletter .input-group input::placeholder { color: rgba(255,255,255,0.25); }
    .footer-newsletter .input-group button {
        padding: 10px 20px;
        border-radius: 8px;
        background: var(--secondary);
        color: #fff;
        font-weight: 600;
        font-size: 0.85rem;
    }
    .footer-newsletter .input-group button:hover { background: var(--secondary-hover); }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.05);
        padding-top: 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
    }
    .footer-bottom p {
        font-size: 0.82rem;
        color: rgba(255,255,255,0.3);
    }
    .footer-bottom .social { display: flex; gap: 14px; }
    .footer-bottom .social a {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: rgba(255,255,255,0.04);
        display: flex;
        align-items: center;
        justify-content: center;
        color: rgba(255,255,255,0.3);
        font-size: 0.85rem;
        transition: var(--transition);
    }
    .footer-bottom .social a:hover { background: var(--secondary); color: #fff; }

    /* ===== 滚动动画 ===== */
    .fade-up {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .fade-up.visible {
        opacity: 1;
        transform: translateY(0);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
        .hero-title { font-size: 2.6rem; }
        .stats-grid { grid-template-columns: repeat(2, 1fr); }
        .steps-grid { grid-template-columns: repeat(2, 1fr); }
        .steps-grid::before { display: none; }
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        .feature-block { grid-template-columns: 1fr; gap: 32px; }
        .feature-block.reverse { direction: ltr; }
        .feature-image img { height: 320px; }
        .cta-box { flex-direction: column; text-align: center; padding: 40px 28px; }
        .header-search { width: 140px; }
        .header-search:focus-within { width: 180px; }
    }

    @media (max-width: 768px) {
        :root { --spacing-section: 48px; --header-height: 64px; }
        h1 { font-size: 2rem; }
        h2 { font-size: 1.5rem; }
        .section-title { font-size: 1.6rem; }
        .hero-title { font-size: 2rem; }
        .hero-desc { font-size: 1rem; }
        .hero-stats { gap: 20px; flex-wrap: wrap; }
        .hero-stat h4 { font-size: 1.4rem; }
        .header-nav { display: none; }
        .header-actions .header-btn-outline,
        .header-actions .header-search { display: none; }
        .hamburger { display: flex; }
        .mobile-menu { display: block; }
        .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; gap: 16px; }
        .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
        .stat-card { padding: 20px 16px; }
        .stat-card .icon { width: 44px; height: 44px; font-size: 1.1rem; }
        .stat-card h3 { font-size: 1.5rem; }
        .steps-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
        .step-card { padding: 24px 16px; }
        .news-item { flex-direction: column; gap: 10px; padding: 14px 16px; }
        .news-item .meta { flex-direction: row; align-items: center; width: 100%; justify-content: space-between; }
        .feature-image img { height: 240px; }
        .cta-box { padding: 32px 20px; }
        .cta-box h2 { font-size: 1.4rem; }
        .footer-grid { grid-template-columns: 1fr; gap: 28px; }
        .footer-bottom { flex-direction: column; text-align: center; }
        .container { padding: 0 16px; }
        .section { padding: var(--spacing-section) 0; }
        .hero { min-height: 80vh; }
        .hero-content { padding: 20px 0 40px; }
        .hero-stat h4 small { font-size: 0.85rem; }
        .header-btn { padding: 0 14px; font-size: 0.8rem; }
    }

    @media (max-width: 520px) {
        .hero-title { font-size: 1.6rem; }
        .hero-desc { font-size: 0.92rem; }
        .hero-stats { flex-direction: column; gap: 12px; }
        .hero-actions { flex-direction: column; width: 100%; }
        .hero-actions .btn { width: 100%; justify-content: center; }
        .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
        .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
        .steps-grid { grid-template-columns: 1fr; }
        .stat-card h3 { font-size: 1.3rem; }
        .section-title { font-size: 1.4rem; }
        .news-item .content h4 { font-size: 0.92rem; }
        .feature-content h2 { font-size: 1.4rem; }
        .faq-question { font-size: 0.92rem; padding: 14px 16px; }
        .faq-answer { font-size: 0.88rem; }
        .header-logo { font-size: 1.2rem; }
        .header-logo i { font-size: 1.1rem; padding: 4px; }
        .cta-box .btn-group { flex-direction: column; width: 100%; }
        .cta-box .btn-group .btn { width: 100%; justify-content: center; }
        .footer-newsletter .input-group { flex-direction: column; }
    }

/* roulang page: article */
:root {
    --primary: #e63946;
    --primary-dark: #c1121f;
    --primary-light: #f8d7da;
    --secondary: #ffb703;
    --secondary-dark: #e09f00;
    --accent: #457b9d;
    --bg: #ffffff;
    --bg-alt: #f8f9fa;
    --bg-dark: #1d3557;
    --text: #1a1a2e;
    --text-light: #6c757d;
    --text-white: #ffffff;
    --border: #dee2e6;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
    --shadow-hover: 0 8px 32px rgba(230,57,70,0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
    --max-w: 1200px;
    --header-h: 72px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
button, input, textarea { font-family: inherit; font-size: 1rem; outline: none; border: none; }
ul { list-style: none; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 840px; margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.header {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--header-h);
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    z-index: 1000;
    transition: var(--transition);
}
.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
    white-space: nowrap;
}
.header-logo i { font-size: 1.6rem; color: var(--primary); }
.header-logo span { color: var(--bg-dark); }
.header-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}
.header-nav a {
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text);
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
}
.header-nav a:hover { color: var(--primary); background: var(--primary-light); }
.header-nav a.active {
    color: #fff;
    background: var(--primary);
    box-shadow: 0 4px 16px rgba(230,57,70,0.3);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.header-search {
    display: flex;
    align-items: center;
    background: var(--bg-alt);
    border-radius: 50px;
    padding: 0 16px;
    border: 1px solid transparent;
    transition: var(--transition);
}
.header-search:focus-within {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(230,57,70,0.1);
}
.header-search input {
    background: transparent;
    padding: 8px 0;
    width: 140px;
    font-size: 0.9rem;
    color: var(--text);
}
.header-search input::placeholder { color: var(--text-light); }
.header-search button {
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    padding: 6px;
    font-size: 1rem;
    transition: var(--transition);
}
.header-search button:hover { color: var(--primary); }
.header-btn {
    padding: 8px 22px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}
.header-btn:hover { background: var(--primary); color: #fff; box-shadow: 0 4px 16px rgba(230,57,70,0.3); }
.header-btn-primary {
    background: var(--primary);
    color: #fff;
    border: 2px solid var(--primary);
}
.header-btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.mobile-toggle { display: none; background: none; font-size: 1.5rem; color: var(--text); cursor: pointer; padding: 4px; }

/* ===== Article Hero ===== */
.article-hero {
    margin-top: var(--header-h);
    position: relative;
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #0d1b2a 100%);
    overflow: hidden;
}
.article-hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.35;
    z-index: 0;
    transform: scale(1.05);
    transition: transform 8s ease;
}
.article-hero:hover .article-hero-bg { transform: scale(1.0); }
.article-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(29,53,87,0.7) 0%, rgba(13,27,42,0.9) 100%);
    z-index: 1;
}
.article-hero .container-narrow {
    position: relative;
    z-index: 2;
    padding: 80px 24px 60px;
}
.article-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(230,57,70,0.9);
    color: #fff;
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    backdrop-filter: blur(4px);
    letter-spacing: 0.5px;
}
.article-hero-badge i { font-size: 0.8rem; }
.article-hero h1 {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.25;
    margin-bottom: 16px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
    letter-spacing: -0.5px;
}
.article-hero-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
}
.article-hero-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}
.article-hero-meta i { font-size: 0.85rem; color: var(--secondary); }
.article-hero-meta .category {
    background: rgba(255,183,3,0.2);
    color: var(--secondary);
    padding: 2px 14px;
    border-radius: 50px;
    font-weight: 600;
}

/* ===== Article Body ===== */
.article-body {
    padding: 60px 0 40px;
    background: var(--bg);
}
.article-body .container-narrow {
    max-width: 800px;
}
.article-content {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text);
}
.article-content p {
    margin-bottom: 1.6em;
}
.article-content h2, .article-content h3 {
    margin-top: 2em;
    margin-bottom: 0.8em;
    font-weight: 700;
    color: var(--bg-dark);
    line-height: 1.3;
}
.article-content h2 { font-size: 1.6rem; }
.article-content h3 { font-size: 1.3rem; }
.article-content img {
    margin: 2em auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    max-width: 100%;
}
.article-content blockquote {
    border-left: 4px solid var(--primary);
    background: var(--primary-light);
    padding: 16px 24px;
    margin: 1.6em 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text);
    font-style: italic;
}
.article-content ul, .article-content ol {
    margin: 1.2em 0;
    padding-left: 1.8em;
}
.article-content li {
    margin-bottom: 0.5em;
}
.article-content a {
    color: var(--primary);
    border-bottom: 1px solid transparent;
}
.article-content a:hover { border-bottom-color: var(--primary); }
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.6em 0;
    font-size: 0.95rem;
}
.article-content th, .article-content td {
    border: 1px solid var(--border);
    padding: 12px 16px;
    text-align: left;
}
.article-content th {
    background: var(--bg-dark);
    color: #fff;
    font-weight: 600;
}
.article-content tr:nth-child(even) { background: var(--bg-alt); }
.article-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    margin: 40px 0;
}

/* ===== Article Tags & Share ===== */
.article-footer-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 24px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    margin: 40px 0;
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.article-tags .tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 16px;
    background: var(--bg-alt);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-light);
    border: 1px solid var(--border);
    transition: var(--transition);
}
.article-tags .tag:hover { background: var(--primary-light); color: var(--primary); border-color: var(--primary); }
.article-share {
    display: flex;
    align-items: center;
    gap: 10px;
}
.article-share span { font-size: 0.9rem; color: var(--text-light); font-weight: 500; }
.article-share a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-alt);
    color: var(--text-light);
    font-size: 1rem;
    transition: var(--transition);
    border: 1px solid var(--border);
}
.article-share a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); box-shadow: 0 4px 16px rgba(230,57,70,0.25); }

/* ===== Related Posts ===== */
.related-posts {
    padding: 60px 0;
    background: var(--bg-alt);
}
.related-posts-header {
    text-align: center;
    margin-bottom: 40px;
}
.related-posts-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--bg-dark);
    margin-bottom: 8px;
}
.related-posts-header p {
    color: var(--text-light);
    font-size: 1rem;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.related-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.04);
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.related-card-img {
    position: relative;
    height: 200px;
    overflow: hidden;
}
.related-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.related-card:hover .related-card-img img { transform: scale(1.08); }
.related-card-img .badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--primary);
    color: #fff;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: 0 2px 12px rgba(230,57,70,0.3);
}
.related-card-body {
    padding: 20px 22px 24px;
}
.related-card-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-card-body h3 a:hover { color: var(--primary); }
.related-card-body p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    color: var(--text-light);
    border-top: 1px solid var(--border);
    padding-top: 14px;
}
.related-card-meta span { display: flex; align-items: center; gap: 4px; }
.related-card-meta i { font-size: 0.75rem; }

/* ===== CTA ===== */
.article-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #0d1b2a 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.article-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    z-index: 0;
}
.article-cta .container-narrow {
    position: relative;
    z-index: 1;
}
.article-cta h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}
.article-cta p {
    color: rgba(255,255,255,0.8);
    font-size: 1.05rem;
    margin-bottom: 28px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.article-cta .cta-btns {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}
.cta-btn {
    padding: 14px 36px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}
.cta-btn-primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.cta-btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(230,57,70,0.35); }
.cta-btn-secondary {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.4);
}
.cta-btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: #fff; transform: translateY(-2px); }

/* ===== Not Found ===== */
.not-found {
    margin-top: var(--header-h);
    padding: 120px 24px;
    text-align: center;
    background: var(--bg-alt);
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.not-found-inner {
    max-width: 500px;
}
.not-found-inner i {
    font-size: 4rem;
    color: var(--primary-light);
    margin-bottom: 20px;
}
.not-found-inner h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--bg-dark);
    margin-bottom: 12px;
}
.not-found-inner p {
    color: var(--text-light);
    font-size: 1.05rem;
    margin-bottom: 28px;
}
.not-found-inner a {
    display: inline-block;
    padding: 12px 32px;
    background: var(--primary);
    color: #fff;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}
.not-found-inner a:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(230,57,70,0.3); }

/* ===== Footer ===== */
.footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.85);
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .header-logo {
    color: #fff;
    margin-bottom: 14px;
}
.footer-brand .header-logo i { color: var(--primary); }
.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.65);
    max-width: 340px;
}
.footer h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 10px;
}
.footer h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 32px;
    height: 3px;
    background: var(--primary);
    border-radius: 4px;
}
.footer ul li { margin-bottom: 10px; }
.footer ul li a {
    color: rgba(255,255,255,0.65);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}
.footer ul li a i { font-size: 0.65rem; color: var(--secondary); }
.footer ul li a:hover { color: #fff; padding-left: 4px; }
.footer-newsletter p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.65);
    margin-bottom: 14px;
}
.footer-newsletter .input-group {
    display: flex;
    gap: 0;
    border-radius: 50px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.06);
}
.footer-newsletter .input-group input {
    flex: 1;
    padding: 12px 18px;
    background: transparent;
    color: #fff;
    font-size: 0.9rem;
}
.footer-newsletter .input-group input::placeholder { color: rgba(255,255,255,0.4); }
.footer-newsletter .input-group button {
    padding: 12px 24px;
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
}
.footer-newsletter .input-group button:hover { background: var(--primary-dark); }
.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    gap: 16px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}
.footer-bottom .social { display: flex; gap: 12px; }
.footer-bottom .social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.6);
    font-size: 1rem;
    transition: var(--transition);
}
.footer-bottom .social a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    :root { --header-h: 64px; }
    .header-nav {
        display: none;
        position: absolute;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow);
        gap: 4px;
    }
    .header-nav.open { display: flex; }
    .header-nav a { width: 100%; padding: 12px 16px; }
    .header-search { display: none; }
    .header-btn { display: none; }
    .mobile-toggle { display: block; }
    .article-hero { min-height: 300px; }
    .article-hero .container-narrow { padding: 60px 20px 40px; }
    .article-hero h1 { font-size: 1.6rem; }
    .article-hero-meta { gap: 12px; font-size: 0.85rem; }
    .article-body { padding: 32px 0; }
    .article-content { font-size: 1rem; line-height: 1.8; }
    .related-grid { grid-template-columns: 1fr; gap: 20px; }
    .related-posts { padding: 40px 0; }
    .related-posts-header h2 { font-size: 1.4rem; }
    .article-cta { padding: 48px 0; }
    .article-cta h2 { font-size: 1.5rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .container-narrow { padding: 0 16px; }
    .article-hero { min-height: 260px; }
    .article-hero h1 { font-size: 1.3rem; }
    .article-hero-meta { flex-direction: column; align-items: center; gap: 8px; }
    .article-footer-bar { flex-direction: column; align-items: flex-start; }
    .article-content { font-size: 0.95rem; }
    .article-content h2 { font-size: 1.3rem; }
    .article-content h3 { font-size: 1.1rem; }
    .cta-btn { width: 100%; text-align: center; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a3a;
            --primary-light: #243447;
            --primary-dark: #0f1a24;
            --accent: #f0b429;
            --accent-light: #f5c84d;
            --accent-dark: #d49a1a;
            --bg: #f6f8fa;
            --bg-white: #ffffff;
            --bg-dark: #0f1a24;
            --text: #1e2a3a;
            --text-light: #5a6a7a;
            --text-white: #f0f4f8;
            --border: #e2e8f0;
            --border-light: #f0f2f5;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.10);
            --shadow-accent: 0 8px 32px rgba(240, 180, 41, 0.25);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container: 1200px;
            --header-h: 72px;
        }

        /* ===== 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);
            padding-top: var(--header-h);
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--primary-dark);
        }

        h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
        }
        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.6rem);
        }
        h4 {
            font-size: 1.1rem;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

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

        /* ===== 头部导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(26, 42, 58, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
            transition: var(--transition);
        }
        .header-logo i {
            color: var(--accent);
            font-size: 1.4rem;
        }
        .header-logo:hover {
            color: var(--accent);
            transform: scale(1.02);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .header-nav a {
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
            position: relative;
        }
        .header-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .header-nav a.active {
            color: var(--primary-dark);
            background: var(--accent);
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(240, 180, 41, 0.3);
        }
        .header-nav a.active:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-actions .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.10);
            border-radius: 50px;
            padding: 6px 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .header-actions .search-box:focus-within {
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--accent);
        }
        .header-actions .search-box input {
            background: transparent;
            color: #fff;
            padding: 4px 8px;
            font-size: 0.9rem;
            min-width: 140px;
        }
        .header-actions .search-box input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .header-actions .search-box i {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
        }
        .header-actions .btn-login {
            color: var(--text-white);
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .header-actions .btn-login:hover {
            background: rgba(255, 255, 255, 0.10);
        }
        .header-actions .btn-cta {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 50px;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(240, 180, 41, 0.2);
        }
        .header-actions .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 180, 41, 0.3);
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            background: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 768px) {
            .header-nav {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(15, 26, 36, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 8px;
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .header-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .header-nav a {
                width: 100%;
                text-align: center;
                padding: 12px 20px;
                font-size: 1.05rem;
            }
            .header-actions {
                gap: 6px;
            }
            .header-actions .search-box input {
                min-width: 80px;
            }
            .header-actions .btn-login {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .header-actions .btn-cta {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .menu-toggle {
                display: block;
            }
        }

        @media (max-width: 480px) {
            .header-actions .search-box {
                display: none;
            }
            .header-logo {
                font-size: 1.2rem;
            }
            .header-logo i {
                font-size: 1.1rem;
            }
        }

        /* ===== 实时状态条 ===== */
        .live-bar {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 10px 0;
            overflow: hidden;
        }
        .live-bar .container {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: nowrap;
        }
        .live-bar .live-tag {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 75, 75, 0.2);
            padding: 4px 14px;
            border-radius: 50px;
            color: #ff6b6b;
            font-size: 0.8rem;
            font-weight: 600;
            flex-shrink: 0;
        }
        .live-bar .live-tag .dot {
            width: 8px;
            height: 8px;
            background: #ff4b4b;
            border-radius: 50%;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.8);
            }
        }
        .live-bar .live-scroll {
            display: flex;
            gap: 32px;
            overflow: hidden;
            flex: 1;
        }
        .live-bar .live-scroll span {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .live-bar .live-scroll span i {
            color: var(--accent);
            font-size: 0.7rem;
        }
        .live-bar .live-scroll .highlight {
            color: var(--accent);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .live-bar .container {
                gap: 12px;
            }
            .live-bar .live-scroll {
                gap: 16px;
                -webkit-overflow-scrolling: touch;
                overflow-x: auto;
            }
            .live-bar .live-scroll span {
                font-size: 0.75rem;
            }
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--primary-dark) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            background-blend-mode: overlay;
            padding: 80px 24px 60px;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 36, 0.92), rgba(26, 42, 58, 0.70));
            z-index: 1;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg), transparent);
            z-index: 2;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 3;
            max-width: 800px;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240, 180, 41, 0.15);
            border: 1px solid rgba(240, 180, 41, 0.25);
            color: var(--accent);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
        }
        .category-hero h1 {
            color: #fff;
            margin-bottom: 20px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .category-hero h1 span {
            color: var(--accent);
        }
        .category-hero p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.15rem;
            max-width: 640px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .category-hero .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .category-hero .hero-stats .stat-item {
            text-align: center;
        }
        .category-hero .hero-stats .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            display: block;
        }
        .category-hero .hero-stats .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .category-hero {
                min-height: 320px;
                padding: 60px 16px 40px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero p {
                font-size: 0.95rem;
            }
            .category-hero .hero-stats {
                gap: 20px;
            }
            .category-hero .hero-stats .stat-num {
                font-size: 1.4rem;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--primary-dark);
            color: var(--text-white);
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            margin-bottom: 12px;
            position: relative;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            border-radius: 4px;
            background: var(--accent);
            margin: 16px auto 0;
        }
        .section-header p {
            color: var(--text-light);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.6);
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
        }

        /* ===== 分类卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .cat-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }
        .cat-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .cat-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .cat-card:hover .card-img img {
            transform: scale(1.05);
        }
        .cat-card .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }
        .cat-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .cat-card .card-body h3 {
            margin-bottom: 8px;
            font-size: 1.15rem;
        }
        .cat-card .card-body p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .cat-card .card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .cat-card .card-body .card-meta i {
            color: var(--accent);
            margin-right: 4px;
        }
        .cat-card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-dark);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .cat-card .card-body .card-link:hover {
            gap: 10px;
            color: var(--accent);
        }

        @media (max-width: 480px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
            .cat-card .card-img {
                height: 180px;
            }
        }

        /* ===== 内容列表 ===== */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .content-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            padding: 18px 22px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            cursor: pointer;
        }
        .content-item:hover {
            transform: translateX(6px);
            border-color: var(--accent);
            box-shadow: var(--shadow-lg);
        }
        .content-item .item-index {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .content-item .item-index.hot {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .content-item .item-info {
            flex: 1;
        }
        .content-item .item-info h4 {
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .content-item .item-info p {
            color: var(--text-light);
            font-size: 0.85rem;
        }
        .content-item .item-extra {
            flex-shrink: 0;
            text-align: right;
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .content-item .item-extra .badge {
            display: inline-block;
            background: rgba(240, 180, 41, 0.15);
            color: var(--accent-dark);
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
        }

        @media (max-width: 768px) {
            .content-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 14px 16px;
            }
            .content-item .item-index {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .content-item .item-info h4 {
                font-size: 0.9rem;
            }
            .content-item .item-extra {
                width: 100%;
                text-align: left;
            }
        }

        /* ===== 数据统计块 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 20px;
        }
        .stat-block {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-block:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
            border-color: var(--accent);
        }
        .stat-block .stat-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .stat-block .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            display: block;
        }
        .stat-block .stat-desc {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            margin-top: 4px;
        }

        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-block .stat-number {
                font-size: 1.6rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent);
        }
        .faq-item .faq-q {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
        }
        .faq-item .faq-q i {
            color: var(--accent);
            transition: var(--transition);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }
        .faq-item .faq-a {
            padding: 0 22px 18px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }
        .faq-item .faq-a p {
            margin-bottom: 8px;
        }
        .faq-item .faq-a p:last-child {
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .faq-item .faq-q {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-item .faq-a {
                padding: 0 16px 14px;
                font-size: 0.85rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 8px 32px rgba(240, 180, 41, 0.25);
        }
        .cta-section .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(240, 180, 41, 0.35);
        }
        .cta-section .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.10);
            color: #fff;
            font-weight: 500;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: var(--transition);
        }
        .cta-section .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.18);
            transform: translateY(-3px);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .btn-primary,
            .cta-section .btn-secondary {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .header-logo {
            margin-bottom: 16px;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }
        .footer h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 18px;
            font-weight: 600;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .footer ul li a i {
            font-size: 0.6rem;
            color: var(--accent);
            transition: var(--transition);
        }
        .footer ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer ul li a:hover i {
            transform: translateX(2px);
        }
        .footer-newsletter p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 16px;
        }
        .footer-newsletter .input-group {
            display: flex;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50px;
            padding: 4px;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-newsletter .input-group input {
            flex: 1;
            padding: 10px 16px;
            background: transparent;
            color: #fff;
            font-size: 0.9rem;
        }
        .footer-newsletter .input-group input::placeholder {
            color: rgba(255, 255, 255, 0.3);
        }
        .footer-newsletter .input-group button {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .footer-newsletter .input-group button:hover {
            background: var(--accent-light);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-bottom p {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom .social {
            display: flex;
            gap: 12px;
        }
        .footer-bottom .social a {
            width: 38px;
            height: 38px;
            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: 1.1rem;
            transition: var(--transition);
        }
        .footer-bottom .social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-newsletter .input-group {
                flex-direction: column;
                border-radius: var(--radius-sm);
                padding: 8px;
            }
            .footer-newsletter .input-group button {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 辅助 ===== */
        .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;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }

        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            padding: 10px 28px;
            border-radius: 50px;
            border: 2px solid var(--border);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .btn-more:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            background: rgba(240, 180, 41, 0.05);
            transform: translateY(-2px);
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            }
        }
        @media (max-width: 520px) {
            .category-hero {
                min-height: 260px;
                padding: 40px 16px 32px;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero p {
                font-size: 0.85rem;
            }
            .category-hero .hero-stats .stat-num {
                font-size: 1.2rem;
            }
            .category-hero .hero-stats .stat-label {
                font-size: 0.7rem;
            }
            .section {
                padding: 32px 0;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-block {
                padding: 18px 12px;
            }
            .stat-block .stat-number {
                font-size: 1.3rem;
            }
            .cat-card .card-body h3 {
                font-size: 1rem;
            }
            .content-item .item-info h4 {
                font-size: 0.85rem;
            }
        }