/* roulang page: index */
:root {
        --color-primary: #191512;
        --color-accent: #F4B41A;
        --color-burgundy: #7B2D3A;
        --color-warm-white: #F5EFE6;
        --color-card: #241F1A;
        --color-card-hover: #2a241d;
        --color-border: #3A332B;
        --color-muted: #C9BFB3;
        --color-muted-dark: #8a8175;
        --color-bg: #100E0C;
        --color-bg-alt: #191512;
        --color-bg-section: #241F1A;
        --radius-card: 16px;
        --radius-btn: 999px;
        --radius-input: 12px;
        --radius-badge: 999px;
        --shadow-default: 0 4px 20px rgba(0,0,0,0.35);
        --shadow-hover: 0 8px 30px rgba(0,0,0,0.5);
        --font-serif: 'Noto Serif SC','Songti SC','SimSun','STSong',serif;
        --font-sans: 'Noto Sans SC','PingFang SC','Microsoft YaHei','Heiti SC',sans-serif;
        --spacing-xs: 8px;
        --spacing-sm: 16px;
        --spacing-md: 24px;
        --spacing-lg: 40px;
        --spacing-xl: 64px;
        --nav-height: 64px;
        --transition-fast: 0.2s ease;
        --transition-base: 0.35s ease;
    }

    *,*::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(--color-warm-white);
        background-color: var(--color-bg);
        min-height: 100vh;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

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

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

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

    button,input,select,textarea {
        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 {
        font-family: var(--font-serif);
        line-height: 1.35;
        font-weight: 700;
        color: var(--color-warm-white);
    }

    h1 {
        font-size: clamp(28px, 4vw, 40px);
        letter-spacing: 0.01em;
    }
    h2 {
        font-size: clamp(22px, 2.8vw, 30px);
        margin-bottom: var(--spacing-sm);
    }
    h3 {
        font-size: clamp(18px, 2vw, 22px);
        margin-bottom: var(--spacing-xs);
    }

    p {
        margin-bottom: var(--spacing-sm);
        color: var(--color-muted);
    }

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

    .container {
        width: 100%;
        max-width: 1180px;
        margin: 0 auto;
        padding: 0 var(--spacing-md);
    }

    /* ===== 导航 ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        height: var(--nav-height);
        background-color: rgba(16,14,12,0.88);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--color-border);
        transition: background-color var(--transition-base);
    }
    .site-header.scrolled {
        background-color: rgba(16,14,12,0.96);
    }
    .nav-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: var(--nav-height);
    }
    .logo-link {
        display: inline-flex;
        align-items: baseline;
        gap: 4px;
        flex-shrink: 0;
    }
    .logo-prefix {
        font-size: 14px;
        font-weight: 600;
        color: var(--color-muted);
        letter-spacing: 0.05em;
    }
    .logo-main {
        font-family: var(--font-serif);
        font-size: 22px;
        font-weight: 700;
        color: var(--color-accent);
        letter-spacing: 0.03em;
    }
    .nav-menu {
        display: flex;
        align-items: center;
        gap: var(--spacing-md);
    }
    .nav-menu a {
        font-size: 15px;
        font-weight: 500;
        color: var(--color-muted);
        padding: 8px 6px;
        position: relative;
        transition: color var(--transition-fast);
    }
    .nav-menu a:hover,
    .nav-menu a.active {
        color: var(--color-warm-white);
    }
    .nav-menu a.active::after {
        content: '';
        position: absolute;
        left: 6px;
        right: 6px;
        bottom: -2px;
        height: 2px;
        background-color: var(--color-accent);
        border-radius: 2px;
    }
    .nav-right {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }
    .age-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background-color: var(--color-burgundy);
        color: var(--color-warm-white);
        font-size: 12px;
        font-weight: 700;
        padding: 6px 14px;
        border-radius: var(--radius-badge);
        letter-spacing: 0.05em;
        white-space: nowrap;
    }
    .nav-cta {
        background-color: var(--color-accent);
        color: var(--color-primary);
        font-size: 14px;
        font-weight: 700;
        padding: 10px 20px;
        border-radius: var(--radius-btn);
        transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
        white-space: nowrap;
    }
    .nav-cta:hover {
        background-color: #ffc93a;
        color: var(--color-primary);
        box-shadow: var(--shadow-hover);
    }
    .hamburger {
        display: none;
        flex-direction: column;
        gap: 5px;
        width: 38px;
        height: 38px;
        align-items: center;
        justify-content: center;
        background: transparent;
        border-radius: 8px;
        transition: background-color var(--transition-fast);
    }
    .hamburger:hover {
        background-color: var(--color-card);
    }
    .hamburger span {
        display: block;
        width: 22px;
        height: 2px;
        background-color: var(--color-warm-white);
        border-radius: 1px;
        transition: transform var(--transition-fast), opacity var(--transition-fast);
    }
    .mobile-menu {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background-color: var(--color-bg-alt);
        border-bottom: 1px solid var(--color-border);
        padding: var(--spacing-md);
        z-index: 999;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .mobile-menu a {
        font-size: 16px;
        color: var(--color-muted);
        padding: 10px 12px;
        border-radius: 8px;
        transition: background-color var(--transition-fast), color var(--transition-fast);
    }
    .mobile-menu a:hover,
    .mobile-menu a.active {
        background-color: var(--color-card);
        color: var(--color-warm-white);
    }
    .mobile-menu.open {
        display: flex;
    }

    /* ===== 年龄确认条 ===== */
    .age-verify-bar {
        background-color: var(--color-bg-alt);
        border-bottom: 1px solid var(--color-border);
        padding: 12px 0;
        position: relative;
        z-index: 100;
    }
    .age-verify-bar .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--spacing-md);
        flex-wrap: wrap;
    }
    .age-verify-text {
        font-size: 14px;
        color: var(--color-muted);
        margin-bottom: 0;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .age-verify-text .verify-icon {
        width: 20px;
        height: 20px;
        border-radius: 50%;
        background-color: var(--color-accent);
        color: var(--color-primary);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 11px;
        font-weight: 700;
        flex-shrink: 0;
    }
    .age-verify-actions {
        display: flex;
        gap: var(--spacing-sm);
        align-items: center;
    }
    .btn-verify-enter {
        background-color: var(--color-accent);
        color: var(--color-primary);
        font-size: 13px;
        font-weight: 700;
        padding: 8px 18px;
        border-radius: var(--radius-btn);
        transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
    }
    .btn-verify-enter:hover {
        background-color: #ffc93a;
        box-shadow: var(--shadow-default);
    }
    .btn-verify-leave {
        background-color: transparent;
        border: 1px solid var(--color-border);
        color: var(--color-muted);
        font-size: 13px;
        font-weight: 600;
        padding: 8px 18px;
        border-radius: var(--radius-btn);
        transition: border-color var(--transition-fast), color var(--transition-fast);
    }
    .btn-verify-leave:hover {
        border-color: var(--color-burgundy);
        color: var(--color-warm-white);
    }

    /* ===== Hero ===== */
    .hero-section {
        position: relative;
        min-height: 70vh;
        display: flex;
        align-items: center;
        padding: var(--spacing-xl) 0;
        background-image: linear-gradient(135deg, rgba(16,14,12,0.92) 0%, rgba(16,14,12,0.78) 50%, rgba(25,21,18,0.9) 100%), url('/assets/images/5f5623737a41619c.webp');
        background-size: cover;
        background-position: center;
        border-bottom: 1px solid var(--color-border);
    }
    .hero-grid {
        display: grid;
        grid-template-columns: 1.15fr 0.85fr;
        gap: var(--spacing-lg);
        align-items: center;
    }
    .hero-content {
        padding-right: var(--spacing-md);
    }
    .hero-tag {
        display: inline-block;
        background-color: rgba(244,180,26,0.15);
        border: 1px solid rgba(244,180,26,0.35);
        color: var(--color-accent);
        font-size: 13px;
        font-weight: 600;
        padding: 6px 16px;
        border-radius: var(--radius-badge);
        margin-bottom: var(--spacing-sm);
        letter-spacing: 0.04em;
    }
    .hero-content h1 {
        margin-bottom: var(--spacing-sm);
        color: var(--color-warm-white);
        text-shadow: 0 2px 12px rgba(0,0,0,0.45);
    }
    .hero-subtitle {
        font-size: 17px;
        color: var(--color-muted);
        margin-bottom: var(--spacing-md);
        max-width: 520px;
        line-height: 1.75;
    }
    .hero-cta-group {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }
    .btn-primary {
        background-color: var(--color-accent);
        color: var(--color-primary);
        font-size: 15px;
        font-weight: 700;
        padding: 14px 28px;
        border-radius: var(--radius-btn);
        transition: background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .btn-primary:hover {
        background-color: #ffc93a;
        color: var(--color-primary);
        box-shadow: var(--shadow-hover);
        transform: translateY(-1px);
    }
    .btn-secondary {
        background-color: transparent;
        border: 1px solid rgba(245,239,230,0.4);
        color: var(--color-warm-white);
        font-size: 15px;
        font-weight: 600;
        padding: 14px 28px;
        border-radius: var(--radius-btn);
        transition: border-color var(--transition-fast), background-color var(--transition-fast);
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .btn-secondary:hover {
        border-color: var(--color-accent);
        background-color: rgba(244,180,26,0.08);
        color: var(--color-accent);
    }
    .hero-trust {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-sm) var(--spacing-md);
    }
    .hero-trust-item {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        color: var(--color-muted);
    }
    .hero-trust-item .dot {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background-color: var(--color-accent);
        flex-shrink: 0;
    }
    .hero-visual {
        position: relative;
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-hover);
        border: 1px solid var(--color-border);
        aspect-ratio: 16/10;
        background-image: url('/assets/images/0d2d7c0dd876b9fe.webp');
        background-size: cover;
        background-position: center;
    }
    .hero-visual-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 55%, rgba(16,14,12,0.85) 100%);
        display: flex;
        align-items: flex-end;
        padding: var(--spacing-md);
    }
    .hero-visual-badge {
        background-color: rgba(244,180,26,0.2);
        border: 1px solid rgba(244,180,26,0.5);
        color: var(--color-accent);
        font-size: 13px;
        font-weight: 700;
        padding: 8px 16px;
        border-radius: var(--radius-badge);
        letter-spacing: 0.04em;
    }

    /* ===== 数据指标条 ===== */
    .stats-bar-section {
        background-color: var(--color-bg-alt);
        padding: var(--spacing-lg) 0;
        border-bottom: 1px solid var(--color-border);
    }
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-md);
    }
    .stat-item {
        text-align: center;
        padding: var(--spacing-sm);
    }
    .stat-number {
        font-family: var(--font-serif);
        font-size: clamp(24px, 3vw, 32px);
        font-weight: 700;
        color: var(--color-accent);
        letter-spacing: 0.02em;
        line-height: 1.3;
    }
    .stat-label {
        font-size: 13px;
        color: var(--color-muted);
        margin-top: 4px;
    }

    /* ===== 通用 Section ===== */
    .section-header {
        text-align: center;
        margin-bottom: var(--spacing-lg);
    }
    .section-header h2 {
        margin-bottom: var(--spacing-xs);
    }
    .section-desc {
        font-size: 15px;
        color: var(--color-muted);
        max-width: 640px;
        margin: 0 auto;
    }

    /* ===== 分类入口板块 ===== */
    .category-entry-section {
        background-color: var(--color-bg);
    }
    .category-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-md);
    }
    .category-card {
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: var(--spacing-md);
        transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    .category-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(244,180,26,0.45);
    }
    .category-card-icon {
        width: 42px;
        height: 42px;
        border-radius: 10px;
        background-color: rgba(244,180,26,0.12);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        font-weight: 700;
        color: var(--color-accent);
        margin-bottom: var(--spacing-xs);
    }
    .category-card h3 {
        font-size: 16px;
        margin-bottom: 2px;
    }
    .category-card p {
        font-size: 13px;
        color: var(--color-muted);
        margin-bottom: 0;
        line-height: 1.5;
    }

    /* ===== 最新信息列表 ===== */
    .latest-section {
        background-color: var(--color-bg-alt);
        border-top: 1px solid var(--color-border);
        border-bottom: 1px solid var(--color-border);
    }
    .latest-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    .news-card {
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        overflow: hidden;
        transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    }
    .news-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(244,180,26,0.4);
    }
    .news-card-img {
        aspect-ratio: 16/9;
        overflow: hidden;
        background-color: var(--color-bg);
        position: relative;
    }
    .news-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-base);
    }
    .news-card:hover .news-card-img img {
        transform: scale(1.05);
    }
    .news-card-body {
        padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
    }
    .news-card-meta {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
        font-size: 12px;
        color: var(--color-muted-dark);
        margin-bottom: var(--spacing-xs);
        flex-wrap: wrap;
    }
    .news-card-tag {
        background-color: rgba(244,180,26,0.12);
        color: var(--color-accent);
        padding: 2px 10px;
        border-radius: var(--radius-badge);
        font-size: 12px;
        font-weight: 600;
    }
    .news-card h3 {
        font-size: 16px;
        margin-bottom: var(--spacing-xs);
        line-height: 1.5;
    }
    .news-card h3 a:hover {
        color: var(--color-accent);
    }
    .news-card-excerpt {
        font-size: 13px;
        color: var(--color-muted);
        margin-bottom: 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        line-height: 1.6;
    }
    .section-footer-link {
        text-align: center;
        margin-top: var(--spacing-lg);
    }
    .btn-outline {
        background-color: transparent;
        border: 1px solid var(--color-border);
        color: var(--color-muted);
        font-size: 14px;
        font-weight: 600;
        padding: 12px 24px;
        border-radius: var(--radius-btn);
        transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
    }
    .btn-outline:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
        background-color: rgba(244,180,26,0.06);
    }

    /* ===== 热门专题横向滚动 ===== */
    .trending-section {
        background-color: var(--color-bg);
    }
    .trending-scroll {
        display: flex;
        gap: var(--spacing-md);
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        scrollbar-color: var(--color-border) transparent;
    }
    .trending-scroll::-webkit-scrollbar {
        height: 6px;
    }
    .trending-scroll::-webkit-scrollbar-track {
        background: transparent;
    }
    .trending-scroll::-webkit-scrollbar-thumb {
        background-color: var(--color-border);
        border-radius: 3px;
    }
    .trending-card {
        flex: 0 0 260px;
        scroll-snap-align: start;
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        overflow: hidden;
        transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    }
    .trending-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(244,180,26,0.45);
    }
    .trending-card-img {
        aspect-ratio: 16/9;
        overflow: hidden;
        background-color: var(--color-bg);
    }
    .trending-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-base);
    }
    .trending-card:hover .trending-card-img img {
        transform: scale(1.06);
    }
    .trending-card-body {
        padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-md);
    }
    .trending-card h3 {
        font-size: 15px;
        margin-bottom: var(--spacing-xs);
    }
    .trending-card-footer {
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 12px;
        color: var(--color-muted-dark);
    }
    .trending-heat {
        display: flex;
        align-items: center;
        gap: 4px;
        color: var(--color-burgundy);
        font-weight: 600;
    }

    /* ===== 创作者入驻转化区 ===== */
    .creator-cta-section {
        background-color: var(--color-bg-alt);
        border-top: 1px solid var(--color-border);
        border-bottom: 1px solid var(--color-border);
    }
    .creator-cta-wrap {
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: var(--spacing-lg);
        display: grid;
        grid-template-columns: 1.3fr 0.7fr;
        gap: var(--spacing-lg);
        align-items: center;
    }
    .creator-steps {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
        margin-top: var(--spacing-sm);
    }
    .creator-step {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    .creator-step-num {
        font-family: var(--font-serif);
        font-size: 28px;
        font-weight: 700;
        color: var(--color-accent);
        line-height: 1;
    }
    .creator-step h4 {
        font-size: 15px;
        margin-bottom: 2px;
    }
    .creator-step p {
        font-size: 13px;
        color: var(--color-muted);
        margin-bottom: 0;
    }
    .creator-cta-right {
        text-align: right;
        display: flex;
        flex-direction: column;
        align-items: flex-end;
        gap: var(--spacing-sm);
    }

    /* ===== 内容审核与安全承诺 ===== */
    .safety-section {
        background-color: var(--color-bg);
    }
    .safety-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    .safety-card {
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: var(--spacing-md);
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    .safety-card-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background-color: rgba(123,45,58,0.25);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 17px;
        font-weight: 700;
        color: #d4a0a8;
        margin-bottom: var(--spacing-xs);
    }
    .safety-card h3 {
        font-size: 16px;
        margin-bottom: 4px;
    }
    .safety-card p {
        font-size: 13px;
        color: var(--color-muted);
        margin-bottom: 0;
        line-height: 1.6;
    }

    /* ===== 会员订阅方案 ===== */
    .pricing-section {
        background-color: var(--color-bg-alt);
        border-top: 1px solid var(--color-border);
        border-bottom: 1px solid var(--color-border);
    }
    .pricing-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
        align-items: stretch;
    }
    .pricing-card {
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: var(--spacing-md);
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
        transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    }
    .pricing-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(244,180,26,0.5);
    }
    .pricing-card.featured {
        border-color: rgba(244,180,26,0.65);
        background: linear-gradient(170deg, var(--color-card) 0%, #2a2118 100%);
    }
    .pricing-badge {
        align-self: flex-start;
        background-color: rgba(244,180,26,0.15);
        color: var(--color-accent);
        font-size: 12px;
        font-weight: 700;
        padding: 4px 12px;
        border-radius: var(--radius-badge);
    }
    .pricing-name {
        font-size: 18px;
        font-weight: 700;
        font-family: var(--font-serif);
    }
    .pricing-price {
        font-family: var(--font-serif);
        font-size: 32px;
        font-weight: 700;
        color: var(--color-warm-white);
        line-height: 1.2;
    }
    .pricing-price span {
        font-size: 14px;
        color: var(--color-muted);
        font-weight: 400;
    }
    .pricing-features {
        display: flex;
        flex-direction: column;
        gap: 8px;
        flex: 1;
    }
    .pricing-features li {
        font-size: 13px;
        color: var(--color-muted);
        display: flex;
        align-items: flex-start;
        gap: 8px;
    }
    .pricing-features li::before {
        content: '✓';
        color: var(--color-accent);
        font-weight: 700;
        flex-shrink: 0;
    }
    .pricing-card .btn-primary,
    .pricing-card .btn-outline {
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    /* ===== 排行榜 ===== */
    .ranking-section {
        background-color: var(--color-bg);
    }
    .ranking-list {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xs);
        counter-reset: rank;
    }
    .ranking-item {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: 12px;
        padding: var(--spacing-sm) var(--spacing-md);
        transition: transform var(--transition-fast), border-color var(--transition-fast);
        counter-increment: rank;
    }
    .ranking-item:hover {
        transform: translateX(4px);
        border-color: rgba(244,180,26,0.4);
    }
    .rank-number {
        font-family: var(--font-serif);
        font-size: 20px;
        font-weight: 700;
        color: var(--color-accent);
        min-width: 40px;
        text-align: center;
        flex-shrink: 0;
    }
    .ranking-item:nth-child(1) .rank-number {
        color: #f9c84a;
        font-size: 24px;
    }
    .ranking-item:nth-child(2) .rank-number {
        color: #c0c0c0;
    }
    .ranking-item:nth-child(3) .rank-number {
        color: #cd7f32;
    }
    .rank-info {
        flex: 1;
        min-width: 0;
    }
    .rank-info h3 {
        font-size: 15px;
        margin-bottom: 2px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .rank-info h3 a:hover {
        color: var(--color-accent);
    }
    .rank-meta {
        display: flex;
        gap: var(--spacing-sm);
        font-size: 12px;
        color: var(--color-muted-dark);
        flex-wrap: wrap;
    }
    .rank-heat {
        font-weight: 700;
        color: var(--color-burgundy);
        white-space: nowrap;
    }

    /* ===== 用户反馈 ===== */
    .testimonial-section {
        background-color: var(--color-bg-alt);
        border-top: 1px solid var(--color-border);
        border-bottom: 1px solid var(--color-border);
    }
    .testimonial-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    .testimonial-card {
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: var(--spacing-md);
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .testimonial-quote {
        font-size: 14px;
        color: var(--color-warm-white);
        line-height: 1.75;
        font-style: italic;
        margin-bottom: 0;
    }
    .testimonial-author {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }
    .testimonial-avatar {
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background-color: rgba(244,180,26,0.2);
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: var(--font-serif);
        font-weight: 700;
        color: var(--color-accent);
        font-size: 16px;
    }
    .testimonial-author-name {
        font-size: 14px;
        font-weight: 600;
        color: var(--color-warm-white);
    }
    .testimonial-author-role {
        font-size: 12px;
        color: var(--color-muted-dark);
    }

    /* ===== 设备适配 ===== */
    .device-section {
        background-color: var(--color-bg);
    }
    .device-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    .device-card {
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: var(--spacing-md);
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xs);
        transition: transform var(--transition-fast), border-color var(--transition-fast);
    }
    .device-card:hover {
        transform: translateY(-3px);
        border-color: rgba(244,180,26,0.4);
    }
    .device-icon {
        width: 52px;
        height: 52px;
        border-radius: 50%;
        background-color: rgba(244,180,26,0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        margin-bottom: var(--spacing-xs);
    }
    .device-card h3 {
        font-size: 16px;
        margin-bottom: 4px;
    }
    .device-card p {
        font-size: 13px;
        color: var(--color-muted);
        margin-bottom: 0;
    }

    /* ===== FAQ ===== */
    .faq-section {
        background-color: var(--color-bg-alt);
        border-top: 1px solid var(--color-border);
        border-bottom: 1px solid var(--color-border);
    }
    .faq-list {
        max-width: 820px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .faq-item {
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: 12px;
        overflow: hidden;
        transition: border-color var(--transition-fast);
    }
    .faq-item:hover {
        border-color: rgba(244,180,26,0.35);
    }
    .faq-question {
        width: 100%;
        padding: var(--spacing-sm) var(--spacing-md);
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: var(--spacing-sm);
        font-size: 15px;
        font-weight: 600;
        color: var(--color-warm-white);
        text-align: left;
        transition: background-color var(--transition-fast);
    }
    .faq-question:hover {
        background-color: rgba(244,180,26,0.05);
    }
    .faq-toggle {
        flex-shrink: 0;
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background-color: var(--color-bg);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        color: var(--color-accent);
        transition: transform var(--transition-fast);
    }
    .faq-item.open .faq-toggle {
        transform: rotate(45deg);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base), padding var(--transition-base);
        padding: 0 var(--spacing-md);
    }
    .faq-item.open .faq-answer {
        max-height: 300px;
        padding: 0 var(--spacing-md) var(--spacing-sm);
    }
    .faq-answer p {
        font-size: 14px;
        color: var(--color-muted);
        margin-bottom: 0;
        line-height: 1.75;
    }

    /* ===== 版权与合规说明 ===== */
    .compliance-section {
        background-color: var(--color-bg);
    }
    .compliance-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    .compliance-card {
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: 12px;
        padding: var(--spacing-sm) var(--spacing-md);
        display: flex;
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    .compliance-card h3 {
        font-size: 15px;
        margin-bottom: 2px;
    }
    .compliance-card p {
        font-size: 13px;
        color: var(--color-muted);
        margin-bottom: 0;
    }

    /* ===== 品牌合作 CTA ===== */
    .brand-cta-section {
        background-color: var(--color-bg-alt);
        border-top: 1px solid var(--color-border);
        border-bottom: 1px solid var(--color-border);
    }
    .brand-cta-wrap {
        background-color: var(--color-card);
        border: 1px solid rgba(244,180,26,0.3);
        border-radius: var(--radius-card);
        padding: var(--spacing-lg);
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    .brand-cta-wrap h2 {
        margin-bottom: var(--spacing-xs);
    }
    .brand-cta-wrap p {
        max-width: 540px;
        margin: 0 auto var(--spacing-sm);
    }

    /* ===== 邮件订阅表单 ===== */
    .subscribe-section {
        background-color: var(--color-bg);
    }
    .subscribe-wrap {
        max-width: 640px;
        margin: 0 auto;
        text-align: center;
    }
    .subscribe-form {
        display: flex;
        gap: var(--spacing-sm);
        max-width: 500px;
        margin: var(--spacing-sm) auto 0;
        flex-wrap: wrap;
        justify-content: center;
    }
    .subscribe-form input[type="email"] {
        flex: 1;
        min-width: 220px;
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-input);
        padding: 14px 18px;
        color: var(--color-warm-white);
        font-size: 15px;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }
    .subscribe-form input[type="email"]:focus {
        border-color: var(--color-accent);
        box-shadow: 0 0 0 3px rgba(244,180,26,0.15);
        outline: none;
    }
    .subscribe-privacy {
        font-size: 12px;
        color: var(--color-muted-dark);
        margin-top: var(--spacing-xs);
        margin-bottom: 0;
    }

    /* ===== 页脚 ===== */
    .site-footer {
        background-color: var(--color-bg-alt);
        border-top: 1px solid var(--color-border);
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }
    .footer-brand .logo-link {
        margin-bottom: var(--spacing-sm);
    }
    .footer-brand p {
        font-size: 13px;
        color: var(--color-muted);
        line-height: 1.75;
        max-width: 300px;
    }
    .footer-col h3 {
        font-size: 15px;
        margin-bottom: var(--spacing-sm);
        color: var(--color-warm-white);
    }
    .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .footer-col ul a {
        font-size: 13px;
        color: var(--color-muted);
        transition: color var(--transition-fast);
    }
    .footer-col ul a:hover {
        color: var(--color-accent);
    }
    .footer-bottom {
        border-top: 1px solid var(--color-border);
        padding-top: var(--spacing-md);
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: var(--spacing-sm);
        flex-wrap: wrap;
    }
    .footer-bottom p {
        font-size: 12px;
        color: var(--color-muted-dark);
        margin-bottom: 0;
    }
    .footer-bottom .age-notice {
        font-weight: 600;
        color: var(--color-burgundy);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1023px) {
        .hero-grid {
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        .hero-content {
            padding-right: 0;
        }
        .hero-visual {
            max-height: 360px;
        }
        .category-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .latest-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .pricing-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .pricing-card.featured {
            grid-column: span 2;
        }
        .testimonial-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .device-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .safety-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .footer-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        .creator-cta-wrap {
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        .creator-cta-right {
            align-items: flex-start;
            text-align: left;
        }
    }

    @media (max-width: 767px) {
        .nav-menu {
            display: none;
        }
        .nav-cta {
            display: none;
        }
        .hamburger {
            display: flex;
        }
        .age-verify-bar .container {
            flex-direction: column;
            align-items: flex-start;
            gap: var(--spacing-xs);
        }
        .age-verify-actions {
            width: 100%;
        }
        .btn-verify-enter,
        .btn-verify-leave {
            flex: 1;
            text-align: center;
        }
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-sm);
        }
        .category-grid {
            grid-template-columns: 1fr;
        }
        .latest-grid {
            grid-template-columns: 1fr;
        }
        .pricing-grid {
            grid-template-columns: 1fr;
        }
        .pricing-card.featured {
            grid-column: span 1;
        }
        .testimonial-grid {
            grid-template-columns: 1fr;
        }
        .device-grid {
            grid-template-columns: 1fr;
        }
        .safety-grid {
            grid-template-columns: 1fr;
        }
        .compliance-grid {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .creator-steps {
            grid-template-columns: 1fr;
            gap: var(--spacing-sm);
        }
        .hero-trust {
            flex-direction: column;
            gap: 6px;
        }
        .section-header h2 {
            font-size: 22px;
        }
        .trending-card {
            flex: 0 0 210px;
        }
    }

    @media (max-width: 520px) {
        .logo-main {
            font-size: 18px;
        }
        .logo-prefix {
            font-size: 12px;
        }
        .age-badge {
            font-size: 10px;
            padding: 4px 10px;
        }
        .hero-content h1 {
            font-size: 24px;
        }
        .hero-subtitle {
            font-size: 15px;
        }
        .btn-primary,
        .btn-secondary {
            font-size: 14px;
            padding: 12px 22px;
            width: 100%;
            justify-content: center;
        }
        .hero-cta-group {
            flex-direction: column;
        }
        .subscribe-form {
            flex-direction: column;
        }
        .subscribe-form input[type="email"] {
            width: 100%;
        }
    }

/* roulang page: article */
:root {
        --color-primary: #191512;
        --color-accent: #F4B41A;
        --color-burgundy: #7B2D3A;
        --color-warm-white: #F5EFE6;
        --color-card: #241F1A;
        --color-card-hover: #2a241d;
        --color-border: #3A332B;
        --color-muted: #C9BFB3;
        --color-muted-dark: #8a8175;
        --color-bg: #100E0C;
        --color-bg-alt: #191512;
        --color-bg-section: #241F1A;
        --radius-card: 16px;
        --radius-btn: 999px;
        --radius-input: 12px;
        --radius-badge: 999px;
        --shadow-default: 0 4px 20px rgba(0,0,0,0.35);
        --shadow-hover: 0 8px 30px rgba(0,0,0,0.5);
        --font-serif: 'Noto Serif SC','Songti SC','SimSun','STSong',serif;
        --font-sans: 'Noto Sans SC','PingFang SC','Microsoft YaHei','Heiti SC',sans-serif;
        --spacing-xs: 8px;
        --spacing-sm: 16px;
        --spacing-md: 24px;
        --spacing-lg: 40px;
        --spacing-xl: 64px;
        --nav-height: 64px;
        --transition-fast: 0.2s ease;
        --transition-base: 0.35s ease;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.7;
        color: var(--color-warm-white);
        background-color: var(--color-bg);
        min-height: 100vh;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    img, svg {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition-fast);
    }
    a:hover {
        color: var(--color-accent);
    }
    button, input, select, textarea {
        font-family: inherit;
        font-size: inherit;
        line-height: inherit;
        border: none;
        outline: none;
        background: none;
    }
    button {
        cursor: pointer;
    }
    ul, ol {
        list-style: none;
    }
    section {
        padding: var(--spacing-xl) 0;
    }
    .container {
        width: 100%;
        max-width: 1180px;
        margin: 0 auto;
        padding: 0 var(--spacing-md);
    }
    /* ===== 导航 ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        height: var(--nav-height);
        background-color: rgba(16,14,12,0.88);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--color-border);
        transition: background-color var(--transition-base);
    }
    .site-header.scrolled {
        background-color: rgba(16,14,12,0.96);
    }
    .nav-container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: var(--nav-height);
    }
    .logo-link {
        display: inline-flex;
        align-items: baseline;
        gap: 4px;
        flex-shrink: 0;
    }
    .logo-prefix {
        font-size: 14px;
        font-weight: 600;
        color: var(--color-muted);
        letter-spacing: 0.05em;
    }
    .logo-main {
        font-family: var(--font-serif);
        font-size: 22px;
        font-weight: 700;
        color: var(--color-accent);
        letter-spacing: 0.03em;
    }
    .nav-menu {
        display: flex;
        align-items: center;
        gap: var(--spacing-md);
    }
    .nav-menu a {
        font-size: 15px;
        font-weight: 500;
        color: var(--color-muted);
        padding: 8px 6px;
        position: relative;
        transition: color var(--transition-fast);
        white-space: nowrap;
    }
    .nav-menu a:hover,
    .nav-menu a.active {
        color: var(--color-warm-white);
    }
    .nav-menu a.active::after {
        content: '';
        position: absolute;
        left: 6px;
        right: 6px;
        bottom: -2px;
        height: 2px;
        background-color: var(--color-accent);
        border-radius: 2px;
    }
    .nav-right {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }
    .age-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background-color: var(--color-burgundy);
        color: var(--color-warm-white);
        font-size: 12px;
        font-weight: 700;
        padding: 6px 14px;
        border-radius: var(--radius-badge);
        letter-spacing: 0.05em;
        white-space: nowrap;
    }
    .nav-cta {
        background-color: var(--color-accent);
        color: var(--color-primary);
        font-size: 14px;
        font-weight: 700;
        padding: 10px 20px;
        border-radius: var(--radius-btn);
        transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
        white-space: nowrap;
    }
    .nav-cta:hover {
        background-color: #ffc93a;
        color: var(--color-primary);
        box-shadow: var(--shadow-hover);
    }
    .hamburger {
        display: none;
        flex-direction: column;
        gap: 5px;
        width: 38px;
        height: 38px;
        align-items: center;
        justify-content: center;
        background: transparent;
        border-radius: 8px;
        transition: background-color var(--transition-fast);
    }
    .hamburger:hover {
        background-color: var(--color-card);
    }
    .hamburger span {
        display: block;
        width: 22px;
        height: 2px;
        background-color: var(--color-warm-white);
        border-radius: 1px;
        transition: transform var(--transition-fast), opacity var(--transition-fast);
    }
    .mobile-menu {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background-color: var(--color-bg-alt);
        border-bottom: 1px solid var(--color-border);
        padding: var(--spacing-md);
        z-index: 999;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .mobile-menu a {
        font-size: 16px;
        color: var(--color-muted);
        padding: 10px 12px;
        border-radius: 8px;
        transition: background-color var(--transition-fast), color var(--transition-fast);
    }
    .mobile-menu a:hover {
        background-color: var(--color-card);
        color: var(--color-warm-white);
    }
    .mobile-menu.open {
        display: flex;
    }
    /* ===== 面包屑 ===== */
    .breadcrumb-section {
        padding: var(--spacing-lg) 0 var(--spacing-sm);
        background-color: var(--color-bg-alt);
        border-bottom: 1px solid var(--color-border);
    }
    .breadcrumb {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--color-muted);
    }
    .breadcrumb a {
        color: var(--color-muted);
        transition: color var(--transition-fast);
    }
    .breadcrumb a:hover {
        color: var(--color-accent);
    }
    .breadcrumb-sep {
        color: var(--color-muted-dark);
        user-select: none;
    }
    .breadcrumb-current {
        color: var(--color-warm-white);
        font-weight: 500;
        max-width: 360px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    /* ===== 文章主体布局 ===== */
    .article-main {
        padding: var(--spacing-lg) 0 var(--spacing-xl);
        background-color: var(--color-bg);
    }
    .article-layout {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 320px;
        gap: var(--spacing-lg);
        align-items: start;
    }
    .article-primary {
        min-width: 0;
    }
    .article-sidebar {
        position: sticky;
        top: calc(var(--nav-height) + 24px);
        display: flex;
        flex-direction: column;
        gap: var(--spacing-md);
    }
    /* ===== 文章头部 ===== */
    .article-header {
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-md);
    }
    .article-header h1 {
        font-family: var(--font-serif);
        font-size: 32px;
        line-height: 1.45;
        font-weight: 700;
        color: var(--color-warm-white);
        margin: 0 0 var(--spacing-sm);
        letter-spacing: 0.01em;
    }
    .article-meta {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: var(--spacing-sm);
        font-size: 13px;
        color: var(--color-muted);
    }
    .meta-item {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 5px 12px;
        background-color: var(--color-bg-alt);
        border-radius: var(--radius-badge);
        border: 1px solid var(--color-border);
    }
    .meta-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 5px 14px;
        background-color: var(--color-burgundy);
        color: var(--color-warm-white);
        border-radius: var(--radius-badge);
        font-weight: 600;
        font-size: 13px;
    }
    /* ===== 正文阅读区 ===== */
    .article-content {
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-md);
        overflow-wrap: break-word;
    }
    .article-content p {
        margin-bottom: 1.2em;
        line-height: 1.85;
        color: var(--color-warm-white);
        font-size: 16px;
    }
    .article-content h2 {
        font-family: var(--font-serif);
        font-size: 24px;
        font-weight: 700;
        color: var(--color-accent);
        margin: 1.6em 0 0.8em;
        line-height: 1.4;
    }
    .article-content h3 {
        font-family: var(--font-serif);
        font-size: 20px;
        font-weight: 700;
        color: var(--color-warm-white);
        margin: 1.4em 0 0.6em;
        line-height: 1.4;
    }
    .article-content img {
        border-radius: 12px;
        margin: var(--spacing-sm) 0 var(--spacing-md);
        width: 100%;
        height: auto;
        object-fit: cover;
    }
    .article-content ul,
    .article-content ol {
        margin: 0 0 1.2em 1.5em;
        padding: 0;
    }
    .article-content ul li,
    .article-content ol li {
        margin-bottom: 0.5em;
        color: var(--color-warm-white);
        line-height: 1.75;
        position: relative;
    }
    .article-content ul li::before {
        content: '';
        position: absolute;
        left: -1.2em;
        top: 0.65em;
        width: 6px;
        height: 6px;
        background-color: var(--color-accent);
        border-radius: 50%;
    }
    .article-content ol {
        counter-reset: article-list;
    }
    .article-content ol li {
        counter-increment: article-list;
    }
    .article-content ol li::before {
        content: counter(article-list) '.';
        position: absolute;
        left: -1.5em;
        color: var(--color-accent);
        font-weight: 700;
    }
    .article-content blockquote {
        margin: var(--spacing-md) 0;
        padding: var(--spacing-sm) var(--spacing-md);
        background-color: var(--color-bg-alt);
        border-left: 4px solid var(--color-accent);
        border-radius: 0 8px 8px 0;
        color: var(--color-muted);
        font-style: italic;
        line-height: 1.8;
    }
    .article-content code {
        background-color: var(--color-bg-alt);
        color: var(--color-accent);
        padding: 2px 8px;
        border-radius: 6px;
        font-family: 'SFMono-Regular','Consolas','Liberation Mono',monospace;
        font-size: 14px;
        border: 1px solid var(--color-border);
    }
    .article-content pre {
        background-color: var(--color-bg);
        border: 1px solid var(--color-border);
        border-radius: 12px;
        padding: var(--spacing-md);
        margin: var(--spacing-md) 0;
        overflow-x: auto;
    }
    .article-content pre code {
        background: none;
        border: none;
        padding: 0;
        color: var(--color-warm-white);
        font-size: 14px;
        line-height: 1.7;
    }
    .article-content table {
        width: 100%;
        border-collapse: collapse;
        margin: var(--spacing-md) 0;
        font-size: 14px;
    }
    .article-content table th,
    .article-content table td {
        border: 1px solid var(--color-border);
        padding: 10px 14px;
        text-align: left;
    }
    .article-content table th {
        background-color: var(--color-bg-alt);
        color: var(--color-accent);
        font-weight: 700;
    }
    .article-content table td {
        color: var(--color-muted);
    }
    .article-content .article-cover {
        border-radius: 12px;
        margin-bottom: var(--spacing-md);
        aspect-ratio: 16 / 9;
        overflow: hidden;
        border: 1px solid var(--color-border);
    }
    .article-content .article-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        margin: 0;
    }
    /* ===== 文末标签与版权 ===== */
    .article-end-meta {
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .article-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .article-tag {
        display: inline-flex;
        align-items: center;
        padding: 5px 14px;
        background-color: var(--color-bg-alt);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-badge);
        font-size: 13px;
        color: var(--color-muted);
    }
    .article-copyright {
        font-size: 13px;
        color: var(--color-muted-dark);
        border-top: 1px solid var(--color-border);
        padding-top: var(--spacing-sm);
        line-height: 1.7;
    }
    /* ===== 相关推荐 ===== */
    .related-section {
        margin-bottom: var(--spacing-md);
    }
    .section-heading {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: var(--spacing-md);
    }
    .section-heading h2 {
        font-family: var(--font-serif);
        font-size: 24px;
        font-weight: 700;
        color: var(--color-warm-white);
        letter-spacing: 0.02em;
    }
    .section-heading .heading-line {
        flex: 1;
        height: 1px;
        background-color: var(--color-border);
        margin-left: var(--spacing-sm);
    }
    .related-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    .related-card {
        display: flex;
        gap: var(--spacing-sm);
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: var(--spacing-sm);
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
    }
    .related-card:hover {
        border-color: var(--color-accent);
        box-shadow: var(--shadow-hover);
        transform: translateY(-3px);
    }
    .related-card img {
        width: 100px;
        height: 68px;
        object-fit: cover;
        border-radius: 8px;
        flex-shrink: 0;
        border: 1px solid var(--color-border);
    }
    .related-info {
        min-width: 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 4px;
    }
    .related-info h3 {
        font-size: 15px;
        font-weight: 600;
        color: var(--color-warm-white);
        line-height: 1.4;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }
    .related-info span {
        font-size: 12px;
        color: var(--color-muted-dark);
    }
    .related-info .related-cat {
        display: inline-flex;
        align-self: flex-start;
        padding: 2px 10px;
        background-color: var(--color-bg-alt);
        border-radius: var(--radius-badge);
        font-size: 12px;
        color: var(--color-accent);
        border: 1px solid var(--color-border);
    }
    /* ===== 返回入口 ===== */
    .article-actions {
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-md);
    }
    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background-color: var(--color-accent);
        color: var(--color-primary);
        font-size: 15px;
        font-weight: 700;
        padding: 12px 24px;
        border-radius: var(--radius-btn);
        transition: background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        white-space: nowrap;
    }
    .btn-primary:hover {
        background-color: #ffc93a;
        color: var(--color-primary);
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
    }
    .btn-secondary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background-color: transparent;
        color: var(--color-warm-white);
        font-size: 15px;
        font-weight: 600;
        padding: 12px 24px;
        border-radius: var(--radius-btn);
        border: 1px solid var(--color-border);
        transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
        white-space: nowrap;
    }
    .btn-secondary:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
        background-color: var(--color-card);
        transform: translateY(-2px);
    }
    /* ===== 订阅转化卡片 ===== */
    .article-subscribe {
        background-color: var(--color-bg-alt);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: var(--spacing-lg);
        text-align: center;
        margin-bottom: var(--spacing-md);
    }
    .article-subscribe h3 {
        font-family: var(--font-serif);
        font-size: 22px;
        font-weight: 700;
        color: var(--color-warm-white);
        margin-bottom: var(--spacing-xs);
    }
    .article-subscribe p {
        font-size: 15px;
        color: var(--color-muted);
        margin-bottom: var(--spacing-md);
    }
    .subscribe-form {
        display: flex;
        gap: var(--spacing-sm);
        max-width: 520px;
        margin: 0 auto;
        flex-wrap: wrap;
        justify-content: center;
    }
    .subscribe-form input[type="email"] {
        flex: 1;
        min-width: 240px;
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-input);
        padding: 12px 16px;
        color: var(--color-warm-white);
        font-size: 15px;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        outline: none;
    }
    .subscribe-form input[type="email"]:focus {
        border-color: var(--color-accent);
        box-shadow: 0 0 0 3px rgba(244,180,26,0.15);
    }
    .subscribe-form input[type="email"]::placeholder {
        color: var(--color-muted-dark);
    }
    .subscribe-form button {
        background-color: var(--color-accent);
        color: var(--color-primary);
        font-size: 15px;
        font-weight: 700;
        padding: 12px 24px;
        border-radius: var(--radius-btn);
        transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
        white-space: nowrap;
    }
    .subscribe-form button:hover {
        background-color: #ffc93a;
        box-shadow: var(--shadow-hover);
    }
    .privacy-tip {
        font-size: 12px;
        color: var(--color-muted-dark);
        margin-top: var(--spacing-xs);
    }
    /* ===== 侧栏 ===== */
    .sidebar-card {
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: var(--spacing-md);
    }
    .sidebar-card h3 {
        font-family: var(--font-serif);
        font-size: 18px;
        font-weight: 700;
        color: var(--color-warm-white);
        margin-bottom: var(--spacing-sm);
        padding-bottom: var(--spacing-xs);
        border-bottom: 1px solid var(--color-border);
    }
    .sidebar-list {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .sidebar-list a {
        display: flex;
        align-items: center;
        gap: var(--spacing-xs);
        font-size: 14px;
        color: var(--color-muted);
        padding: 8px 10px;
        border-radius: 8px;
        transition: background-color var(--transition-fast), color var(--transition-fast);
        line-height: 1.4;
    }
    .sidebar-list a:hover {
        background-color: var(--color-bg-alt);
        color: var(--color-warm-white);
    }
    .sidebar-list a span {
        flex: 1;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .sidebar-list a .rank-num {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 24px;
        height: 24px;
        background-color: var(--color-burgundy);
        color: var(--color-warm-white);
        border-radius: 50%;
        font-size: 12px;
        font-weight: 700;
        flex-shrink: 0;
    }
    .sidebar-list a .hot-dot {
        width: 6px;
        height: 6px;
        background-color: var(--color-accent);
        border-radius: 50%;
        flex-shrink: 0;
    }
    /* ===== 空状态 ===== */
    .not-found-box {
        background-color: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        padding: var(--spacing-xl) var(--spacing-md);
        text-align: center;
        margin-bottom: var(--spacing-md);
    }
    .not-found-box h2 {
        font-family: var(--font-serif);
        font-size: 28px;
        font-weight: 700;
        color: var(--color-warm-white);
        margin-bottom: var(--spacing-sm);
    }
    .not-found-box p {
        color: var(--color-muted);
        margin-bottom: var(--spacing-md);
    }
    /* ===== 页脚 ===== */
    .site-footer {
        background-color: var(--color-bg-alt);
        border-top: 1px solid var(--color-border);
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }
    .footer-brand p {
        font-size: 14px;
        color: var(--color-muted);
        line-height: 1.7;
        margin-top: var(--spacing-sm);
        max-width: 280px;
    }
    .footer-col h3 {
        font-family: var(--font-serif);
        font-size: 16px;
        font-weight: 700;
        color: var(--color-warm-white);
        margin-bottom: var(--spacing-sm);
    }
    .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .footer-col ul li a {
        font-size: 14px;
        color: var(--color-muted);
        transition: color var(--transition-fast);
        line-height: 1.6;
    }
    .footer-col ul li a:hover {
        color: var(--color-accent);
    }
    .footer-bottom {
        border-top: 1px solid var(--color-border);
        padding-top: var(--spacing-md);
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: var(--spacing-sm);
    }
    .footer-bottom p {
        font-size: 13px;
        color: var(--color-muted-dark);
        line-height: 1.6;
    }
    .footer-bottom .age-notice {
        color: var(--color-accent);
        font-weight: 600;
        font-size: 13px;
    }
    /* ===== 焦点可访问性 ===== */
    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }
    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
        .article-layout {
            grid-template-columns: 1fr;
        }
        .article-sidebar {
            position: static;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-sm);
        }
        .related-grid {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-md);
        }
        .article-header h1 {
            font-size: 26px;
        }
    }
    @media (max-width: 768px) {
        section {
            padding: var(--spacing-lg) 0;
        }
        .nav-menu {
            display: none;
        }
        .nav-right .age-badge {
            display: none;
        }
        .hamburger {
            display: flex;
        }
        .article-header {
            padding: var(--spacing-md);
        }
        .article-header h1 {
            font-size: 22px;
        }
        .article-content {
            padding: var(--spacing-md);
        }
        .article-content h2 {
            font-size: 20px;
        }
        .article-sidebar {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: var(--spacing-md);
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .related-card {
            flex-direction: row;
        }
        .related-card img {
            width: 80px;
            height: 56px;
        }
        .breadcrumb-current {
            max-width: 180px;
        }
        .article-meta {
            gap: 8px;
        }
    }
    @media (max-width: 520px) {
        .container {
            padding: 0 var(--spacing-sm);
        }
        .article-header h1 {
            font-size: 20px;
        }
        .article-content {
            font-size: 15px;
        }
        .article-content p {
            font-size: 15px;
        }
        .related-card {
            flex-direction: column;
        }
        .related-card img {
            width: 100%;
            height: 120px;
            object-fit: cover;
        }
        .subscribe-form {
            flex-direction: column;
        }
        .subscribe-form input[type="email"],
        .subscribe-form button {
            width: 100%;
            min-width: auto;
        }
        .article-actions .btn-primary,
        .article-actions .btn-secondary {
            width: 100%;
        }
        .footer-bottom p {
            font-size: 12px;
        }
    }

/* roulang page: category1 */
:root {
            --color-primary: #191512;
            --color-accent: #F4B41A;
            --color-burgundy: #7B2D3A;
            --color-warm-white: #F5EFE6;
            --color-card: #241F1A;
            --color-card-hover: #2a241d;
            --color-border: #3A332B;
            --color-muted: #C9BFB3;
            --color-muted-dark: #8a8175;
            --color-bg: #100E0C;
            --color-bg-alt: #191512;
            --color-bg-section: #241F1A;
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-input: 12px;
            --radius-badge: 999px;
            --shadow-default: 0 4px 20px rgba(0,0,0,0.35);
            --shadow-hover: 0 8px 30px rgba(0,0,0,0.5);
            --font-serif: 'Noto Serif SC','Songti SC','SimSun','STSong',serif;
            --font-sans: 'Noto Sans SC','PingFang SC','Microsoft YaHei','Heiti SC',sans-serif;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --nav-height: 64px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s ease;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-warm-white);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }

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

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

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

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

        button {
            cursor: pointer;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-serif);
            font-weight: 700;
            line-height: 1.35;
            margin: 0 0 var(--spacing-sm);
            color: var(--color-warm-white);
        }

        p {
            margin: 0 0 var(--spacing-sm);
        }

        ul, ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

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

        .container {
            width: 100%;
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background-color: rgba(16,14,12,0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            transition: background-color var(--transition-base);
        }

        .site-header.scrolled {
            background-color: rgba(16,14,12,0.96);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: var(--spacing-sm);
        }

        .logo-link {
            display: inline-flex;
            align-items: baseline;
            gap: 4px;
            flex-shrink: 0;
        }

        .logo-prefix {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-muted);
            letter-spacing: 0.05em;
        }

        .logo-main {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.03em;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .nav-menu a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-muted);
            padding: 8px 6px;
            position: relative;
            transition: color var(--transition-fast);
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--color-warm-white);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            left: 6px;
            right: 6px;
            bottom: -2px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }

        .age-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-burgundy);
            color: var(--color-warm-white);
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.05em;
            white-space: nowrap;
        }

        .nav-cta {
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-size: 14px;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background-color: #ffc93a;
            color: var(--color-primary);
            box-shadow: var(--shadow-hover);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            background: transparent;
            border-radius: 8px;
            transition: background-color var(--transition-fast);
        }

        .hamburger:hover {
            background-color: var(--color-card);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--color-warm-white);
            border-radius: 1px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background-color: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-md);
            z-index: 999;
            flex-direction: column;
            gap: var(--spacing-sm);
            box-shadow: var(--shadow-default);
        }

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

        .mobile-menu a {
            font-size: 16px;
            color: var(--color-muted);
            padding: 10px 12px;
            border-radius: 8px;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-warm-white);
            background-color: var(--color-card);
        }

        /* ===== 分类页头部 ===== */
        .page-hero {
            padding: var(--spacing-lg) 0 var(--spacing-md);
            background-color: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted-dark);
            margin-bottom: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-muted);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: var(--color-border);
        }

        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        .page-hero h1 {
            font-size: clamp(28px, 4vw, 38px);
            color: var(--color-warm-white);
            margin-bottom: var(--spacing-xs);
        }

        .page-hero .hero-description {
            font-size: 15px;
            color: var(--color-muted);
            max-width: 560px;
            margin: 0;
        }

        /* ===== 筛选工具条 ===== */
        .filter-section {
            padding: var(--spacing-sm) 0;
            background-color: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
        }

        .filter-bar {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 13px;
            color: var(--color-muted-dark);
            margin-right: var(--spacing-xs);
        }

        .filter-btn {
            background-color: transparent;
            color: var(--color-muted);
            border: 1px solid var(--color-border);
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-fast);
        }

        .filter-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-warm-white);
        }

        .filter-btn.active {
            background-color: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
            font-weight: 700;
        }

        /* ===== 内容列表 ===== */
        .content-list-section {
            background-color: var(--color-bg);
            padding-top: var(--spacing-lg);
        }

        .list-section-header {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            margin-bottom: var(--spacing-md);
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .list-section-header h2 {
            font-size: 22px;
            margin-bottom: 0;
        }

        .list-update-badge {
            font-size: 13px;
            color: var(--color-muted-dark);
            background-color: var(--color-card);
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            border: 1px solid var(--color-border);
        }

        .post-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .post-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .post-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: #4a4238;
            background-color: var(--color-card-hover);
        }

        .post-card-link {
            display: flex;
            gap: var(--spacing-md);
            padding: var(--spacing-sm);
            color: inherit;
        }

        .post-card-link:hover {
            color: inherit;
        }

        .post-card-cover {
            flex-shrink: 0;
            width: 220px;
            height: 140px;
            border-radius: 12px;
            overflow: hidden;
            background-color: var(--color-bg-section);
        }

        .post-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .post-card-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .post-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-xs);
        }

        .post-category {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            background-color: rgba(244,180,26,0.12);
            padding: 3px 12px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.03em;
        }

        .post-date {
            font-size: 13px;
            color: var(--color-muted-dark);
        }

        .post-card-body h3 {
            font-size: 18px;
            margin-bottom: var(--spacing-xs);
            font-family: var(--font-sans);
            font-weight: 600;
            color: var(--color-warm-white);
            line-height: 1.5;
        }

        .post-card-body p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.65;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-more {
            display: inline-block;
            margin-top: var(--spacing-xs);
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            opacity: 0;
            transform: translateX(-4px);
            transition: opacity var(--transition-fast), transform var(--transition-fast);
        }

        .post-card:hover .post-more {
            opacity: 1;
            transform: translateX(0);
        }

        .empty-state {
            text-align: center;
            padding: var(--spacing-xl) 0;
            font-size: 15px;
            color: var(--color-muted-dark);
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px dashed var(--color-border);
        }

        /* ===== 相关分类推荐 ===== */
        .related-section {
            background-color: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-lg) 0;
        }

        .related-section h2 {
            font-size: 22px;
            margin-bottom: var(--spacing-md);
            text-align: center;
        }

        .category-tags {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .category-tag-link {
            display: inline-block;
            background-color: var(--color-card);
            color: var(--color-warm-white);
            border: 1px solid var(--color-border);
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition-fast);
        }

        .category-tag-link:hover {
            background-color: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background-color: var(--color-bg);
            padding: var(--spacing-lg) 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .stat-item {
            text-align: center;
            padding: var(--spacing-md);
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
        }

        .stat-number {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: var(--spacing-xs);
        }

        .stat-label {
            font-size: 14px;
            color: var(--color-muted);
        }

        /* ===== 订阅转化 ===== */
        .subscribe-section {
            background-color: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-lg) 0;
        }

        .subscribe-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .subscribe-info h2 {
            font-size: 22px;
            margin-bottom: var(--spacing-xs);
        }

        .subscribe-info p {
            font-size: 14px;
            color: var(--color-muted);
            margin-bottom: 0;
        }

        .subscribe-form {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .subscribe-form input[type="email"] {
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            color: var(--color-warm-white);
            padding: 12px 20px;
            border-radius: var(--radius-input);
            font-size: 15px;
            min-width: 260px;
            transition: border-color var(--transition-fast);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--color-accent);
        }

        .subscribe-form input[type="email"]::placeholder {
            color: var(--color-muted-dark);
        }

        .btn-primary {
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: background-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background-color: #ffc93a;
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--color-warm-white);
            border: 1px solid var(--color-border);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background-color: rgba(244,180,26,0.06);
        }

        .subscribe-success {
            display: none;
            font-size: 14px;
            color: var(--color-accent);
            margin-top: var(--spacing-xs);
        }

        .subscribe-success.show {
            display: block;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background-color: var(--color-bg);
            padding: var(--spacing-lg) 0;
        }

        .faq-section h2 {
            font-size: 22px;
            text-align: center;
            margin-bottom: var(--spacing-md);
        }

        .faq-accordion {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .faq-item {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: #4a4238;
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: var(--spacing-md);
            font-size: 16px;
            font-weight: 600;
            color: var(--color-warm-white);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            background: none;
            border: none;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 20px;
            transition: transform var(--transition-base);
        }

        .faq-question.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 var(--spacing-md);
            border-top: 0 solid var(--color-border);
        }

        .faq-answer.open {
            max-height: 400px;
            padding: var(--spacing-md);
            border-top-width: 1px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-muted);
            margin-bottom: 0;
            line-height: 1.75;
        }

        /* ===== 返回入口 ===== */
        .back-section {
            background-color: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            padding: var(--spacing-lg) 0;
        }

        .back-cta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .back-cta .btn-primary,
        .back-cta .btn-secondary {
            min-width: 140px;
            text-align: center;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background-color: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand .logo-link {
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.75;
            max-width: 300px;
        }

        .footer-col h3 {
            font-size: 16px;
            font-family: var(--font-sans);
            font-weight: 700;
            color: var(--color-warm-white);
            margin-bottom: var(--spacing-sm);
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--color-muted);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--color-muted-dark);
            margin: 0;
        }

        .footer-bottom a {
            color: var(--color-muted-dark);
        }

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

        .age-notice {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-burgundy) !important;
            letter-spacing: 0.08em;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }

            .post-card-cover {
                width: 180px;
                height: 120px;
            }

            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--spacing-sm);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .nav-right {
                gap: var(--spacing-xs);
            }

            .nav-cta {
                padding: 8px 16px;
                font-size: 13px;
            }

            .age-badge {
                padding: 5px 10px;
                font-size: 11px;
            }

            .page-hero {
                padding: var(--spacing-md) 0;
            }

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

            .post-card-link {
                flex-direction: column;
            }

            .post-card-cover {
                width: 100%;
                height: 180px;
            }

            .post-card-body h3 {
                font-size: 16px;
            }

            .post-card-body p {
                font-size: 13px;
            }

            .post-more {
                opacity: 1;
                transform: none;
            }

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

            .stats-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .stat-number {
                font-size: 26px;
            }

            .subscribe-card {
                flex-direction: column;
                align-items: flex-start;
                padding: var(--spacing-md);
            }

            .subscribe-form {
                width: 100%;
            }

            .subscribe-form input[type="email"] {
                min-width: 0;
                flex: 1;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

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

            .back-cta {
                flex-direction: column;
            }

            .back-cta .btn-primary,
            .back-cta .btn-secondary {
                width: 100%;
            }

            .filter-bar {
                gap: var(--spacing-xs);
            }

            .filter-btn {
                padding: 6px 14px;
                font-size: 13px;
            }

            .related-section h2,
            .faq-section h2 {
                font-size: 20px;
            }

            .category-tag-link {
                padding: 10px 22px;
                font-size: 14px;
            }
        }

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

            .page-hero h1 {
                font-size: 22px;
            }

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

            .post-card-cover {
                height: 160px;
            }

            .age-badge {
                display: none;
            }

            .nav-cta {
                padding: 7px 14px;
                font-size: 12px;
            }

            .filter-label {
                width: 100%;
            }

            .filter-btn {
                flex: 1;
                text-align: center;
            }

            .subscribe-form {
                flex-direction: column;
                align-items: stretch;
            }

            .subscribe-form input[type="email"] {
                width: 100%;
            }

            .subscribe-form .btn-primary {
                width: 100%;
            }

            .footer-col h3 {
                font-size: 15px;
            }

            .footer-bottom p {
                font-size: 12px;
            }
        }

        :focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        .nav-cta:focus-visible,
        .filter-btn:focus-visible,
        .category-tag-link:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
        }

        .post-card:focus-within {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 2px rgba(244,180,26,0.3);
        }

/* roulang page: category3 */
:root {
            --color-primary: #191512;
            --color-accent: #F4B41A;
            --color-burgundy: #7B2D3A;
            --color-warm-white: #F5EFE6;
            --color-card: #241F1A;
            --color-card-hover: #2a241d;
            --color-border: #3A332B;
            --color-muted: #C9BFB3;
            --color-muted-dark: #8a8175;
            --color-bg: #100E0C;
            --color-bg-alt: #191512;
            --color-bg-section: #241F1A;
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-input: 12px;
            --radius-badge: 999px;
            --shadow-default: 0 4px 20px rgba(0,0,0,0.35);
            --shadow-hover: 0 8px 30px rgba(0,0,0,0.5);
            --font-serif: 'Noto Serif SC','Songti SC','SimSun','STSong',serif;
            --font-sans: 'Noto Sans SC','PingFang SC','Microsoft YaHei','Heiti SC',sans-serif;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --nav-height: 64px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-warm-white);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            min-height: var(--nav-height);
            background-color: rgba(16,14,12,0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            transition: background-color var(--transition-base);
        }

        .site-header.scrolled {
            background-color: rgba(16,14,12,0.96);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height);
            gap: var(--spacing-sm);
        }

        .logo-link {
            display: inline-flex;
            align-items: baseline;
            gap: 4px;
            flex-shrink: 0;
        }

        .logo-prefix {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-muted);
            letter-spacing: 0.05em;
        }

        .logo-main {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.03em;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
        }

        .nav-menu a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-muted);
            padding: 8px 6px;
            position: relative;
            transition: color var(--transition-fast);
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--color-warm-white);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            left: 6px;
            right: 6px;
            bottom: -2px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }

        .age-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-burgundy);
            color: var(--color-warm-white);
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.05em;
            white-space: nowrap;
        }

        .nav-cta {
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-size: 14px;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background-color: #ffc93a;
            color: var(--color-primary);
            box-shadow: var(--shadow-hover);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            background: transparent;
            border-radius: 8px;
            transition: background-color var(--transition-fast);
        }

        .hamburger:hover {
            background-color: var(--color-card);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--color-warm-white);
            border-radius: 1px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background-color: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-md);
            z-index: 999;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .mobile-menu a {
            font-size: 16px;
            color: var(--color-muted);
            padding: 10px 12px;
            border-radius: 8px;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background-color: var(--color-card);
            color: var(--color-warm-white);
        }

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

        /* ===== Section 通用 ===== */
        section {
            padding: var(--spacing-xl) 0;
        }

        .section-bg-alt {
            background-color: var(--color-bg-alt);
        }

        .section-bg-card {
            background-color: var(--color-bg-section);
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.08em;
            margin-bottom: var(--spacing-sm);
            text-transform: uppercase;
        }

        .section-tag::before {
            content: '';
            display: inline-block;
            width: 20px;
            height: 1px;
            background-color: var(--color-accent);
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-warm-white);
            margin-bottom: var(--spacing-sm);
        }

        .section-desc {
            font-size: 16px;
            color: var(--color-muted);
            max-width: 640px;
            line-height: 1.75;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: background-color var(--transition-fast), box-shadow var(--transition-fast),
                border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .btn:hover {
            transform: translateY(-2px);
        }

        .btn-primary {
            background-color: var(--color-accent);
            color: var(--color-primary);
        }

        .btn-primary:hover {
            background-color: #ffc93a;
            color: var(--color-primary);
            box-shadow: var(--shadow-hover);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-warm-white);
            border: 1px solid var(--color-border);
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            box-shadow: var(--shadow-default);
        }

        .btn-ghost {
            background: rgba(244,180,26,0.08);
            color: var(--color-accent);
            border: 1px solid rgba(244,180,26,0.25);
        }

        .btn-ghost:hover {
            background: rgba(244,180,26,0.15);
            color: var(--color-accent);
        }

        /* ===== 徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.03em;
        }

        .badge-accent {
            background-color: rgba(244,180,26,0.12);
            color: var(--color-accent);
        }

        .badge-burgundy {
            background-color: var(--color-burgundy);
            color: var(--color-warm-white);
        }

        .badge-muted {
            background-color: var(--color-card);
            color: var(--color-muted);
            border: 1px solid var(--color-border);
        }

        /* ===== 卡片 ===== */
        .card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-default);
            transition: box-shadow var(--transition-base), transform var(--transition-base),
                border-color var(--transition-base), background-color var(--transition-base);
        }

        .card:hover {
            background-color: var(--color-card-hover);
            border-color: rgba(244,180,26,0.25);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        /* ===== 页面头部 ===== */
        .page-hero {
            padding: 48px 0;
            background-color: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border);
        }

        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-warm-white);
            margin-bottom: var(--spacing-sm);
        }

        .page-hero p {
            font-size: 16px;
            color: var(--color-muted);
            max-width: 520px;
            line-height: 1.7;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted-dark);
            margin-bottom: var(--spacing-md);
        }

        .breadcrumb a {
            color: var(--color-muted);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .sep {
            color: var(--color-muted-dark);
        }

        .breadcrumb .current {
            color: var(--color-warm-white);
        }

        /* ===== 课程卡片 ===== */
        .course-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: var(--spacing-md);
        }

        .course-card {
            display: flex;
            flex-direction: column;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-default);
            overflow: hidden;
            transition: box-shadow var(--transition-base), transform var(--transition-base),
                border-color var(--transition-base);
        }

        .course-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(244,180,26,0.25);
        }

        .course-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background-color: var(--color-bg-section);
        }

        .course-card-body {
            padding: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
            flex: 1;
        }

        .course-card-body h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-warm-white);
            transition: color var(--transition-fast);
        }

        .course-card:hover .course-card-body h3 {
            color: var(--color-accent);
        }

        .course-card-body p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .course-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
            font-size: 13px;
            color: var(--color-muted-dark);
            margin-top: auto;
            padding-top: var(--spacing-xs);
            border-top: 1px solid var(--color-border);
        }

        .course-meta .badge {
            margin-right: auto;
        }

        /* ===== 相关分类推荐 ===== */
        .related-tags {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .related-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-muted);
            transition: all var(--transition-fast);
        }

        .related-tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            box-shadow: var(--shadow-default);
            transform: translateY(-2px);
        }

        /* ===== CTA 区块 ===== */
        .cta-block {
            background-color: var(--color-bg-section);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }

        .cta-block h2 {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-warm-white);
            margin-bottom: var(--spacing-xs);
        }

        .cta-block p {
            font-size: 15px;
            color: var(--color-muted);
            max-width: 520px;
        }

        /* ===== 数据卡片 ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .stat-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-md);
            text-align: center;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-default);
            transform: translateY(-2px);
        }

        .stat-number {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: var(--spacing-xs);
        }

        .stat-label {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.4;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 820px;
        }

        .faq-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-input);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(244,180,26,0.25);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding: var(--spacing-md);
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-warm-white);
            list-style: none;
            transition: background-color var(--transition-fast);
        }

        .faq-item summary::after {
            content: '+';
            font-size: 22px;
            font-weight: 400;
            color: var(--color-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            content: '−';
            color: var(--color-accent);
        }

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

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

        .faq-answer {
            padding: 0 var(--spacing-md) var(--spacing-md);
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
            border-top: 1px solid var(--color-border);
            padding-top: var(--spacing-sm);
            margin: 0 var(--spacing-md) var(--spacing-md);
        }

        /* ===== 工具列表 ===== */
        .tool-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: var(--spacing-sm);
        }

        .tool-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-input);
            padding: var(--spacing-sm) var(--spacing-md);
            font-size: 14px;
            color: var(--color-muted);
            transition: all var(--transition-fast);
        }

        .tool-item:hover {
            border-color: rgba(244,180,26,0.3);
            color: var(--color-warm-white);
            background-color: var(--color-card-hover);
        }

        .tool-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background-color: rgba(244,180,26,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 18px;
        }

        /* ===== 返回入口 ===== */
        .back-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background-color: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
            margin-top: var(--spacing-sm);
            max-width: 320px;
        }

        .footer-col h3 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-warm-white);
            letter-spacing: 0.05em;
            margin-bottom: var(--spacing-sm);
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .footer-col ul a {
            font-size: 14px;
            color: var(--color-muted);
            transition: color var(--transition-fast);
        }

        .footer-col ul a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--color-muted-dark);
        }

        .footer-bottom .age-notice {
            font-size: 12px;
            font-weight: 700;
            color: var(--color-burgundy);
            letter-spacing: 0.05em;
        }

        .footer-bottom a {
            color: var(--color-muted-dark);
            transition: color var(--transition-fast);
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .nav-cta {
                display: none;
            }

            .age-badge {
                font-size: 11px;
                padding: 5px 10px;
            }

            .page-hero {
                padding: 32px 0;
            }

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

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

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

            .cta-block {
                flex-direction: column;
                text-align: center;
            }

            .cta-block p {
                max-width: 100%;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr 1fr;
                gap: var(--spacing-sm);
            }

            .stat-number {
                font-size: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

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

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

        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr;
            }

            .page-hero h1 {
                font-size: 22px;
            }

            .section-title {
                font-size: 20px;
            }

            .btn {
                font-size: 14px;
                padding: 10px 20px;
            }

            .related-tag {
                padding: 8px 16px;
                font-size: 13px;
            }

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

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

        :focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

/* roulang page: category2 */
:root {
            --color-primary: #191512;
            --color-accent: #F4B41A;
            --color-burgundy: #7B2D3A;
            --color-warm-white: #F5EFE6;
            --color-card: #241F1A;
            --color-card-hover: #2a241d;
            --color-border: #3A332B;
            --color-muted: #C9BFB3;
            --color-muted-dark: #8a8175;
            --color-bg: #100E0C;
            --color-bg-alt: #191512;
            --color-bg-section: #241F1A;
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-input: 12px;
            --radius-badge: 999px;
            --shadow-default: 0 4px 20px rgba(0,0,0,0.35);
            --shadow-hover: 0 8px 30px rgba(0,0,0,0.5);
            --font-serif: 'Noto Serif SC','Songti SC','SimSun','STSong',serif;
            --font-sans: 'Noto Sans SC','PingFang SC','Microsoft YaHei','Heiti SC',sans-serif;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --nav-height: 64px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s ease;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-warm-white);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        button {
            cursor: pointer;
        }

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

        .container {
            width: 100%;
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background-color: rgba(16,14,12,0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            transition: background-color var(--transition-base);
        }

        .site-header.scrolled {
            background-color: rgba(16,14,12,0.96);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
        }

        .logo-link {
            display: inline-flex;
            align-items: baseline;
            gap: 4px;
            flex-shrink: 0;
        }

        .logo-link:hover {
            color: inherit;
        }

        .logo-prefix {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-muted);
            letter-spacing: 0.05em;
        }

        .logo-main {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.03em;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
        }

        .nav-menu a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-muted);
            padding: 8px 6px;
            position: relative;
            transition: color var(--transition-fast);
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--color-warm-white);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            left: 6px;
            right: 6px;
            bottom: -2px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .age-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-burgundy);
            color: var(--color-warm-white);
            font-size: 12px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.05em;
            white-space: nowrap;
        }

        .nav-cta {
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-size: 14px;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background-color: #ffc93a;
            color: var(--color-primary);
            box-shadow: var(--shadow-hover);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            background: transparent;
            border-radius: 8px;
            transition: background-color var(--transition-fast);
        }

        .hamburger:hover {
            background-color: var(--color-card);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--color-warm-white);
            border-radius: 1px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background-color: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border);
            padding: var(--spacing-md);
            z-index: 999;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .mobile-menu a {
            font-size: 16px;
            color: var(--color-muted);
            padding: 10px 12px;
            border-radius: 8px;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-warm-white);
            background-color: var(--color-card);
        }

        /* ===== 面包屑与页头 ===== */
        .page-head {
            padding: var(--spacing-lg) 0 var(--spacing-md);
            background-color: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted-dark);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }

        .breadcrumb-bar a {
            color: var(--color-muted);
        }

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

        .breadcrumb-sep {
            color: var(--color-muted-dark);
        }

        .page-head h1 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-warm-white);
            margin: 0 0 8px;
            line-height: 1.3;
        }

        .page-head .lead {
            font-size: 16px;
            color: var(--color-muted);
            max-width: 680px;
            margin: 0;
        }

        .head-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 10px;
            flex-wrap: wrap;
        }

        .head-meta .tag-dot {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--color-burgundy);
            color: var(--color-warm-white);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
        }

        .head-meta .update-text {
            font-size: 13px;
            color: var(--color-muted-dark);
        }

        /* ===== 榜单主体 ===== */
        .ranking-list-section {
            background-color: var(--color-bg);
        }

        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }

        .section-heading h2 {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-warm-white);
            margin: 0;
        }

        .section-heading .sub-info {
            font-size: 13px;
            color: var(--color-muted-dark);
            white-space: nowrap;
        }

        .filter-bar {
            display: flex;
            gap: 10px;
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }

        .filter-btn {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-muted);
            padding: 8px 18px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            background-color: transparent;
            transition: all var(--transition-fast);
        }

        .filter-btn:hover,
        .filter-btn.active {
            color: var(--color-primary);
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            font-weight: 700;
        }

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

        .rank-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
            position: relative;
        }

        .rank-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: #5a4d3f;
            color: inherit;
        }

        .rank-item.top-rank {
            border-left: 3px solid var(--color-accent);
            background: linear-gradient(135deg, #2a241d 0%, #241f1a 100%);
        }

        .rank-number {
            font-family: var(--font-serif);
            font-size: 34px;
            font-weight: 700;
            color: var(--color-muted-dark);
            min-width: 52px;
            text-align: center;
            line-height: 1;
            flex-shrink: 0;
        }

        .rank-item.top-rank .rank-number {
            color: var(--color-accent);
        }

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

        .rank-info h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-warm-white);
            margin: 0 0 6px;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .rank-item:hover .rank-info h3 {
            color: var(--color-accent);
        }

        .rank-excerpt {
            font-size: 14px;
            color: var(--color-muted-dark);
            margin: 0 0 10px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .rank-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--color-muted-dark);
        }

        .cat-badge {
            display: inline-flex;
            align-items: center;
            background-color: rgba(244,180,26,0.12);
            color: var(--color-accent);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            white-space: nowrap;
        }

        .heat-indicator {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--color-muted);
        }

        .heat-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--color-accent);
            display: inline-block;
        }

        .rank-score-box {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            background-color: var(--color-bg-alt);
            border-radius: 12px;
            padding: 10px 16px;
            min-width: 56px;
        }

        .rank-score-box .score-label {
            font-size: 10px;
            color: var(--color-muted-dark);
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .rank-score-box .score-value {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
        }

        .empty-state {
            text-align: center;
            padding: 48px 20px;
            color: var(--color-muted-dark);
            font-size: 15px;
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-card);
        }

        /* ===== 月度趋势横条 ===== */
        .trend-section {
            background-color: var(--color-bg-alt);
        }

        .trend-chart-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-md);
            margin-top: var(--spacing-md);
        }

        .trend-chart-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-warm-white);
            margin: 0 0 20px;
            font-family: var(--font-serif);
        }

        .trend-row {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 14px;
        }

        .trend-row:last-child {
            margin-bottom: 0;
        }

        .trend-label {
            font-size: 14px;
            color: var(--color-muted);
            min-width: 90px;
            flex-shrink: 0;
        }

        .trend-bar-track {
            flex: 1;
            height: 10px;
            background-color: var(--color-bg);
            border-radius: 999px;
            overflow: hidden;
        }

        .trend-bar-fill {
            height: 100%;
            background-color: var(--color-accent);
            border-radius: 999px;
            transition: width 0.6s ease;
        }

        .trend-bar-fill.burgundy {
            background-color: var(--color-burgundy);
        }

        .trend-bar-fill.muted {
            background-color: var(--color-muted-dark);
        }

        .trend-percent {
            font-size: 13px;
            color: var(--color-muted-dark);
            min-width: 40px;
            text-align: right;
            flex-shrink: 0;
        }

        /* ===== 相关分类推荐 ===== */
        .related-cats-section {
            background-color: var(--color-bg);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: var(--spacing-md);
        }

        .related-card {
            display: flex;
            flex-direction: column;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-fast);
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #5a4d3f;
            color: inherit;
        }

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

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

        .related-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-warm-white);
            margin: 0 0 8px;
            font-family: var(--font-serif);
        }

        .related-card-body p {
            font-size: 14px;
            color: var(--color-muted-dark);
            margin: 0 0 14px;
            line-height: 1.6;
        }

        .related-card-body .arrow-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            transition: gap var(--transition-fast);
        }

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

        /* ===== 数据统计 ===== */
        .stats-section {
            background-color: var(--color-bg-alt);
            padding: var(--spacing-lg) 0;
        }

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

        .stat-item {
            text-align: center;
            padding: 28px 20px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
        }

        .stat-number {
            font-family: var(--font-serif);
            font-size: 34px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--color-muted);
        }

        /* ===== 订阅卡片 ===== */
        .subscribe-section {
            background-color: var(--color-bg);
        }

        .subscribe-card {
            position: relative;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .subscribe-card::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 40%;
            background-image: url('/assets/images/5f5623737a41619c.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }

        .subscribe-content {
            position: relative;
            z-index: 1;
            max-width: 520px;
        }

        .subscribe-content h2 {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--color-warm-white);
            margin: 0 0 10px;
        }

        .subscribe-content p {
            font-size: 15px;
            color: var(--color-muted);
            margin: 0;
        }

        .subscribe-form {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        .subscribe-form input[type="email"] {
            background-color: var(--color-bg-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-input);
            padding: 12px 18px;
            color: var(--color-warm-white);
            font-size: 14px;
            min-width: 260px;
            transition: border-color var(--transition-fast);
        }

        .subscribe-form input[type="email"]::placeholder {
            color: var(--color-muted-dark);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--color-accent);
        }

        .subscribe-btn {
            background-color: var(--color-accent);
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 700;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .subscribe-btn:hover {
            background-color: #ffc93a;
            box-shadow: var(--shadow-hover);
        }

        .subscribe-note {
            position: relative;
            z-index: 1;
            width: 100%;
            font-size: 12px;
            color: var(--color-muted-dark);
            margin-top: 12px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background-color: var(--color-bg-alt);
        }

        .faq-list {
            max-width: 820px;
            margin: var(--spacing-md) auto 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

        .faq-item:hover {
            border-color: #5a4d3f;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-warm-white);
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 20px;
            color: var(--color-muted-dark);
            transition: transform var(--transition-base), color var(--transition-fast);
        }

        .faq-question.open .faq-icon {
            transform: rotate(45deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base);
            color: var(--color-muted);
            font-size: 15px;
            line-height: 1.8;
            padding: 0 22px;
        }

        .faq-answer-inner {
            padding-bottom: 20px;
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }

        /* ===== 返回入口 ===== */
        .back-entry-section {
            background-color: var(--color-bg);
            padding: var(--spacing-md) 0;
        }

        .back-entry-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
        }

        .back-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            color: var(--color-warm-white);
            font-size: 14px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
        }

        .back-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background-color: var(--color-card-hover);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background-color: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
            gap: 32px;
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--color-muted-dark);
            line-height: 1.8;
            margin-top: 14px;
            max-width: 320px;
        }

        .footer-col h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-warm-white);
            margin: 0 0 14px;
            font-family: var(--font-serif);
        }

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

        .footer-col li {
            margin-bottom: 10px;
        }

        .footer-col a {
            font-size: 14px;
            color: var(--color-muted);
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--color-muted-dark);
            margin: 0;
        }

        .footer-bottom a {
            color: var(--color-muted-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

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

        .age-notice {
            font-size: 12px;
            color: var(--color-burgundy);
            font-weight: 600;
            letter-spacing: 0.05em;
            white-space: nowrap;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

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

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }

            .nav-right .age-badge {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-menu.active {
                display: flex;
            }

            .page-head h1 {
                font-size: 26px;
            }

            .rank-item {
                flex-wrap: wrap;
                gap: 14px;
                padding: 16px 18px;
            }

            .rank-number {
                font-size: 24px;
                min-width: 36px;
            }

            .rank-score-box {
                min-width: 48px;
                padding: 8px 12px;
            }

            .rank-score-box .score-value {
                font-size: 16px;
            }

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

            .related-card img {
                height: 160px;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .subscribe-card {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .subscribe-card::before {
                width: 100%;
                height: 100%;
            }

            .subscribe-form input[type="email"] {
                min-width: 100%;
            }

            .subscribe-btn {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

            .trend-label {
                min-width: 70px;
                font-size: 13px;
            }

            .section-heading {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .logo-main {
                font-size: 18px;
            }

            .logo-prefix {
                font-size: 12px;
            }

            .nav-cta {
                font-size: 12px;
                padding: 8px 14px;
            }

            .page-head h1 {
                font-size: 22px;
            }

            .filter-bar {
                gap: 6px;
            }

            .filter-btn {
                font-size: 12px;
                padding: 6px 12px;
            }

            .rank-item {
                padding: 14px 14px;
                gap: 10px;
            }

            .rank-info h3 {
                font-size: 15px;
            }

            .rank-excerpt {
                font-size: 13px;
            }

            .rank-meta {
                gap: 8px;
                font-size: 11px;
            }

            .stat-number {
                font-size: 28px;
            }

            .subscribe-content h2 {
                font-size: 20px;
            }

            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }

            .faq-answer {
                font-size: 14px;
                padding: 0 16px;
            }
        }