/* roulang page: index */
/* ===== Design Variables ===== */
    :root {
        --color-primary: #C62828;
        --color-primary-dark: #8E0000;
        --color-primary-light: #FF5C5C;
        --color-secondary: #1A1A1A;
        --color-secondary-light: #2D2D2D;
        --color-accent: #D4AF37;
        --color-accent-light: #F0D68A;
        --color-bg: #F8F6F2;
        --color-bg-alt: #FFFFFF;
        --color-bg-dark: #1A1A1A;
        --color-text: #2C2C2C;
        --color-text-light: #6B6B6B;
        --color-text-inverse: #FFFFFF;
        --color-border: #E5DDD5;
        --color-border-light: #F0EBE5;
        --color-success: #2E7D32;
        --radius-sm: 6px;
        --radius-md: 12px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
        --shadow-md: 0 8px 24px rgba(0,0,0,0.10);
        --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
        --shadow-hover: 0 20px 40px rgba(198,40,40,0.12);
        --space-xs: 0.25rem;
        --space-sm: 0.5rem;
        --space-md: 1rem;
        --space-lg: 2rem;
        --space-xl: 3rem;
        --space-2xl: 5rem;
        --font-sans: 'Segoe UI', 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
        --font-serif: 'Georgia', 'Noto Serif SC', serif;
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* ===== Reset & Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.7;
        color: var(--color-text);
        background: var(--color-bg);
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--color-primary-dark); }
    a:focus-visible { outline: 3px solid var(--color-primary-light); outline-offset: 2px; border-radius: var(--radius-sm); }
    button, input, textarea, select { font-family: inherit; font-size: inherit; }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--color-secondary); }

    /* ===== Container ===== */
    .container-custom {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 var(--space-lg);
    }
    @media (max-width: 640px) {
        .container-custom { padding: 0 var(--space-md); }
    }

    /* ===== Section Spacing ===== */
    .section-pad { padding: var(--space-2xl) 0; }
    .section-pad-sm { padding: var(--space-xl) 0; }
    .section-title {
        font-size: 2rem;
        margin-bottom: var(--space-sm);
        position: relative;
        display: inline-block;
    }
    .section-title::after {
        content: '';
        display: block;
        width: 60px;
        height: 4px;
        background: var(--color-primary);
        border-radius: 4px;
        margin-top: var(--space-sm);
    }
    .section-subtitle {
        font-size: 1.1rem;
        color: var(--color-text-light);
        margin-bottom: var(--space-xl);
        max-width: 640px;
    }
    .text-center .section-title::after { margin-left: auto; margin-right: auto; }
    .text-center .section-subtitle { margin-left: auto; margin-right: auto; }

    /* ===== Header & Navigation (Magazine Style) ===== */
    .site-header {
        background: var(--color-secondary);
        position: sticky;
        top: 0;
        z-index: 1000;
        box-shadow: 0 2px 20px rgba(0,0,0,0.15);
    }
    /* Brand Bar */
    .brand-bar {
        background: var(--color-secondary);
        padding: var(--space-sm) 0;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .brand-bar .container-custom {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .site-logo {
        font-size: 1.6rem;
        font-weight: 800;
        letter-spacing: -0.5px;
        color: var(--color-text-inverse);
        display: flex;
        align-items: center;
        gap: var(--space-sm);
    }
    .site-logo i { color: var(--color-primary-light); font-size: 1.4rem; }
    .site-logo span { color: var(--color-accent); font-weight: 300; }
    .site-logo:hover { color: var(--color-text-inverse); opacity: 0.9; }
    .brand-bar-right {
        display: flex;
        align-items: center;
        gap: var(--space-md);
    }
    .search-toggle, .social-link {
        color: rgba(255,255,255,0.7);
        font-size: 1.1rem;
        transition: var(--transition);
    }
    .search-toggle:hover, .social-link:hover { color: var(--color-accent); }
    .social-link { margin-left: var(--space-sm); }

    /* Channel Nav */
    .channel-nav {
        background: var(--color-secondary-light);
        padding: 0;
    }
    .channel-nav .container-custom {
        display: flex;
        align-items: center;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .channel-nav .container-custom::-webkit-scrollbar { display: none; }
    .channel-nav a {
        display: inline-flex;
        align-items: center;
        gap: var(--space-xs);
        padding: var(--space-sm) var(--space-lg);
        color: rgba(255,255,255,0.8);
        font-size: 0.95rem;
        font-weight: 500;
        white-space: nowrap;
        border-bottom: 3px solid transparent;
        transition: var(--transition);
        position: relative;
    }
    .channel-nav a:hover { color: var(--color-text-inverse); background: rgba(255,255,255,0.06); }
    .channel-nav a.active {
        color: var(--color-text-inverse);
        border-bottom-color: var(--color-accent);
        background: rgba(212,175,55,0.10);
    }
    .channel-nav a i { font-size: 0.85rem; opacity: 0.7; }
    .channel-nav .nav-cta {
        background: var(--color-primary);
        color: #fff;
        border-radius: var(--radius-sm);
        margin: 6px var(--space-md);
        padding: 6px 18px;
        border-bottom: none;
    }
    .channel-nav .nav-cta:hover { background: var(--color-primary-dark); }

    /* Mobile Menu Toggle */
    .mobile-menu-toggle {
        display: none;
        background: none;
        border: none;
        color: #fff;
        font-size: 1.5rem;
        cursor: pointer;
        padding: var(--space-sm);
    }
    @media (max-width: 768px) {
        .mobile-menu-toggle { display: block; }
        .channel-nav .container-custom { display: none; }
        .channel-nav.open .container-custom {
            display: flex;
            flex-direction: column;
            align-items: stretch;
            padding: var(--space-sm) 0;
        }
        .channel-nav.open .container-custom a {
            padding: var(--space-md) var(--space-lg);
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .channel-nav.open .container-custom a.active { border-bottom-color: var(--color-accent); }
    }

    /* ===== Hero Section ===== */
    .hero {
        position: relative;
        min-height: 85vh;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, rgba(26,26,26,0.85) 0%, rgba(198,40,40,0.70) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        color: var(--color-text-inverse);
        text-align: center;
        overflow: hidden;
    }
    .hero::before {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 120px;
        background: linear-gradient(to top, var(--color-bg), transparent);
        z-index: 1;
    }
    .hero-content {
        position: relative;
        z-index: 2;
        max-width: 840px;
        padding: var(--space-xl) var(--space-lg);
    }
    .hero-badge {
        display: inline-block;
        background: rgba(212,175,55,0.20);
        border: 1px solid var(--color-accent);
        color: var(--color-accent-light);
        padding: 6px 20px;
        border-radius: 50px;
        font-size: 0.85rem;
        font-weight: 600;
        letter-spacing: 2px;
        text-transform: uppercase;
        margin-bottom: var(--space-lg);
        backdrop-filter: blur(4px);
    }
    .hero h1 {
        font-size: 3.8rem;
        font-weight: 800;
        color: #fff;
        line-height: 1.1;
        margin-bottom: var(--space-md);
        text-shadow: 0 4px 30px rgba(0,0,0,0.3);
    }
    .hero h1 span { color: var(--color-accent); }
    .hero p {
        font-size: 1.25rem;
        color: rgba(255,255,255,0.85);
        max-width: 600px;
        margin: 0 auto var(--space-xl) auto;
        line-height: 1.8;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-md);
        justify-content: center;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        gap: var(--space-sm);
        padding: 14px 36px;
        border-radius: 50px;
        font-weight: 600;
        font-size: 1rem;
        border: none;
        cursor: pointer;
        transition: var(--transition);
        text-decoration: none;
    }
    .btn-primary {
        background: var(--color-primary);
        color: #fff;
        box-shadow: 0 8px 24px rgba(198,40,40,0.35);
    }
    .btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-3px); box-shadow: 0 12px 32px rgba(198,40,40,0.45); color: #fff; }
    .btn-outline {
        background: transparent;
        color: #fff;
        border: 2px solid rgba(255,255,255,0.6);
    }
    .btn-outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; transform: translateY(-3px); color: #fff; }
    .btn-accent {
        background: var(--color-accent);
        color: var(--color-secondary);
        box-shadow: 0 8px 24px rgba(212,175,55,0.30);
    }
    .btn-accent:hover { background: var(--color-accent-light); transform: translateY(-3px); color: var(--color-secondary); }

    @media (max-width: 768px) {
        .hero { min-height: 70vh; }
        .hero h1 { font-size: 2.4rem; }
        .hero p { font-size: 1.05rem; }
        .btn { padding: 12px 28px; font-size: 0.95rem; }
    }
    @media (max-width: 520px) {
        .hero h1 { font-size: 1.8rem; }
        .hero p { font-size: 0.95rem; }
    }

    /* ===== About / Intro Section ===== */
    .intro-section {
        background: var(--color-bg-alt);
        border-bottom: 1px solid var(--color-border-light);
    }
    .intro-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
        align-items: center;
    }
    .intro-image {
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-md);
        position: relative;
    }
    .intro-image img { width: 100%; height: 400px; object-fit: cover; transition: var(--transition); }
    .intro-image:hover img { transform: scale(1.03); }
    .intro-text h2 { font-size: 2rem; margin-bottom: var(--space-md); }
    .intro-text p { color: var(--color-text-light); margin-bottom: var(--space-md); font-size: 1.05rem; }
    .intro-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
        margin-top: var(--space-lg);
    }
    .stat-item { text-align: center; }
    .stat-number {
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--color-primary);
        line-height: 1.2;
    }
    .stat-label { font-size: 0.85rem; color: var(--color-text-light); margin-top: var(--space-xs); }
    @media (max-width: 768px) {
        .intro-grid { grid-template-columns: 1fr; }
        .intro-image img { height: 260px; }
        .intro-stats { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 520px) {
        .intro-stats { grid-template-columns: 1fr; gap: var(--space-sm); }
    }

    /* ===== Category Entry (米兰风尚) ===== */
    .category-section {
        background: var(--color-bg);
    }
    .category-card {
        background: var(--color-bg-alt);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        display: flex;
        flex-direction: column;
        height: 100%;
        border: 1px solid var(--color-border-light);
    }
    .category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: var(--color-primary-light); }
    .category-card-img {
        height: 220px;
        overflow: hidden;
        position: relative;
    }
    .category-card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
    .category-card:hover .category-card-img img { transform: scale(1.08); }
    .category-card-img .cat-badge {
        position: absolute;
        top: var(--space-md);
        left: var(--space-md);
        background: var(--color-primary);
        color: #fff;
        padding: 4px 16px;
        border-radius: 50px;
        font-size: 0.8rem;
        font-weight: 600;
    }
    .category-card-body {
        padding: var(--space-lg);
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .category-card-body h3 { font-size: 1.3rem; margin-bottom: var(--space-sm); }
    .category-card-body p { color: var(--color-text-light); font-size: 0.95rem; flex: 1; margin-bottom: var(--space-md); }
    .card-link {
        font-weight: 600;
        color: var(--color-primary);
        display: inline-flex;
        align-items: center;
        gap: var(--space-xs);
    }
    .card-link i { transition: var(--transition); font-size: 0.85rem; }
    .card-link:hover i { transform: translateX(4px); }
    .category-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--space-lg);
    }

    /* ===== Latest News / CMS List ===== */
    .news-section {
        background: var(--color-bg-alt);
    }
    .news-list {
        display: grid;
        gap: var(--space-lg);
    }
    .news-item {
        display: flex;
        gap: var(--space-lg);
        padding: var(--space-lg);
        background: var(--color-bg);
        border-radius: var(--radius-md);
        transition: var(--transition);
        border: 1px solid var(--color-border-light);
        align-items: flex-start;
    }
    .news-item:hover { box-shadow: var(--shadow-md); transform: translateX(4px); border-color: var(--color-border); }
    .news-item .news-index {
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--color-primary);
        opacity: 0.30;
        min-width: 48px;
        line-height: 1;
    }
    .news-item .news-content { flex: 1; }
    .news-item .news-category {
        display: inline-block;
        font-size: 0.75rem;
        font-weight: 600;
        color: var(--color-primary);
        background: rgba(198,40,40,0.08);
        padding: 2px 12px;
        border-radius: 50px;
        margin-bottom: var(--space-xs);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    .news-item h3 { font-size: 1.15rem; margin-bottom: var(--space-xs); }
    .news-item h3 a { color: var(--color-secondary); }
    .news-item h3 a:hover { color: var(--color-primary); }
    .news-item .news-meta {
        font-size: 0.85rem;
        color: var(--color-text-light);
        display: flex;
        gap: var(--space-md);
        margin-top: var(--space-xs);
    }
    .news-item .news-meta i { margin-right: 4px; }
    .news-empty {
        text-align: center;
        padding: var(--space-2xl);
        color: var(--color-text-light);
        background: var(--color-bg);
        border-radius: var(--radius-md);
        font-size: 1.05rem;
    }
    @media (max-width: 640px) {
        .news-item { flex-direction: column; gap: var(--space-sm); padding: var(--space-md); }
        .news-item .news-index { display: none; }
    }

    /* ===== Data Highlights ===== */
    .highlights-section {
        background: var(--color-secondary);
        color: var(--color-text-inverse);
        position: relative;
        overflow: hidden;
    }
    .highlights-section::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -20%;
        width: 600px;
        height: 600px;
        background: radial-gradient(circle, rgba(198,40,40,0.15) 0%, transparent 70%);
        pointer-events: none;
    }
    .highlights-section .section-title { color: #fff; }
    .highlights-section .section-title::after { background: var(--color-accent); }
    .highlights-section .section-subtitle { color: rgba(255,255,255,0.7); }
    .highlights-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-lg);
        position: relative;
        z-index: 1;
    }
    .highlight-card {
        text-align: center;
        padding: var(--space-xl) var(--space-md);
        background: rgba(255,255,255,0.05);
        border-radius: var(--radius-md);
        border: 1px solid rgba(255,255,255,0.08);
        transition: var(--transition);
        backdrop-filter: blur(4px);
    }
    .highlight-card:hover { background: rgba(255,255,255,0.10); transform: translateY(-6px); }
    .highlight-card i {
        font-size: 2.4rem;
        color: var(--color-accent);
        margin-bottom: var(--space-md);
    }
    .highlight-card .h-number {
        font-size: 2.6rem;
        font-weight: 800;
        color: #fff;
        line-height: 1.2;
    }
    .highlight-card .h-label {
        color: rgba(255,255,255,0.7);
        font-size: 0.95rem;
        margin-top: var(--space-xs);
    }
    @media (max-width: 768px) {
        .highlights-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 520px) {
        .highlights-grid { grid-template-columns: 1fr; }
    }

    /* ===== Featured Cards ===== */
    .featured-section {
        background: var(--color-bg);
    }
    .featured-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }
    .featured-card {
        background: var(--color-bg-alt);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        border: 1px solid var(--color-border-light);
        display: flex;
        flex-direction: column;
    }
    .featured-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
    .featured-card-img {
        height: 200px;
        overflow: hidden;
        position: relative;
    }
    .featured-card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
    .featured-card:hover .featured-card-img img { transform: scale(1.06); }
    .featured-card-img .tag {
        position: absolute;
        bottom: var(--space-sm);
        left: var(--space-sm);
        background: var(--color-accent);
        color: var(--color-secondary);
        padding: 2px 14px;
        border-radius: 50px;
        font-size: 0.75rem;
        font-weight: 700;
    }
    .featured-card-body { padding: var(--space-lg); flex: 1; display: flex; flex-direction: column; }
    .featured-card-body h3 { font-size: 1.15rem; margin-bottom: var(--space-sm); }
    .featured-card-body p { color: var(--color-text-light); font-size: 0.92rem; flex: 1; margin-bottom: var(--space-md); }
    .featured-card-body .card-link { align-self: flex-start; }
    @media (max-width: 768px) {
        .featured-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 520px) {
        .featured-grid { grid-template-columns: 1fr; }
    }

    /* ===== FAQ ===== */
    .faq-section {
        background: var(--color-bg-alt);
    }
    .faq-list { max-width: 820px; margin: 0 auto; }
    .faq-item {
        border-bottom: 1px solid var(--color-border-light);
        padding: var(--space-md) 0;
    }
    .faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        font-weight: 600;
        font-size: 1.05rem;
        padding: var(--space-sm) 0;
        transition: var(--transition);
        color: var(--color-secondary);
        background: none;
        border: none;
        width: 100%;
        text-align: left;
        font-family: inherit;
    }
    .faq-question:hover { color: var(--color-primary); }
    .faq-question i { transition: var(--transition); font-size: 0.9rem; color: var(--color-primary); }
    .faq-question.open i { transform: rotate(180deg); }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.3s ease;
        color: var(--color-text-light);
        padding: 0;
    }
    .faq-answer.open {
        max-height: 300px;
        padding: var(--space-sm) 0 var(--space-md) 0;
    }
    .faq-answer p { margin-bottom: var(--space-sm); }
    .faq-answer p:last-child { margin-bottom: 0; }

    /* ===== CTA Section ===== */
    .cta-section {
        background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary-dark) 100%);
        color: #fff;
        text-align: center;
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        opacity: 0.10;
        pointer-events: none;
    }
    .cta-content { position: relative; z-index: 1; max-width: 680px; margin: 0 auto; }
    .cta-content h2 { font-size: 2.2rem; color: #fff; margin-bottom: var(--space-sm); }
    .cta-content p { color: rgba(255,255,255,0.8); font-size: 1.1rem; margin-bottom: var(--space-lg); }
    .cta-form {
        display: flex;
        gap: var(--space-sm);
        max-width: 500px;
        margin: 0 auto;
        flex-wrap: wrap;
        justify-content: center;
    }
    .cta-form input[type="email"] {
        flex: 1;
        min-width: 220px;
        padding: 14px 20px;
        border: none;
        border-radius: 50px;
        background: rgba(255,255,255,0.15);
        color: #fff;
        font-size: 1rem;
        outline: none;
        transition: var(--transition);
        backdrop-filter: blur(4px);
    }
    .cta-form input[type="email"]::placeholder { color: rgba(255,255,255,0.5); }
    .cta-form input[type="email"]:focus { background: rgba(255,255,255,0.25); box-shadow: 0 0 0 3px rgba(212,175,55,0.30); }
    .cta-form .btn { flex-shrink: 0; }
    @media (max-width: 520px) {
        .cta-form { flex-direction: column; }
        .cta-form input[type="email"] { min-width: 100%; }
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--color-secondary);
        color: rgba(255,255,255,0.8);
        padding: var(--space-2xl) 0 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: var(--space-xl);
        padding-bottom: var(--space-xl);
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .footer-brand .site-logo { font-size: 1.4rem; margin-bottom: var(--space-sm); }
    .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.6); max-width: 320px; line-height: 1.8; }
    .footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: var(--space-md); font-weight: 600; }
    .footer-col ul li { margin-bottom: var(--space-sm); }
    .footer-col ul li a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: var(--transition); }
    .footer-col ul li a:hover { color: var(--color-accent); padding-left: 4px; }
    .footer-social { display: flex; gap: var(--space-sm); margin-top: var(--space-md); }
    .footer-social a {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(255,255,255,0.08);
        display: flex;
        align-items: center;
        justify-content: center;
        color: rgba(255,255,255,0.7);
        transition: var(--transition);
    }
    .footer-social a:hover { background: var(--color-primary); color: #fff; transform: translateY(-3px); }
    .footer-bottom {
        text-align: center;
        padding: var(--space-lg) 0;
        font-size: 0.85rem;
        color: rgba(255,255,255,0.4);
    }
    .footer-bottom a { color: rgba(255,255,255,0.5); }
    .footer-bottom a:hover { color: var(--color-accent); }
    @media (max-width: 768px) {
        .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 520px) {
        .footer-grid { grid-template-columns: 1fr; text-align: center; }
        .footer-brand p { max-width: 100%; }
        .footer-social { justify-content: center; }
    }

    /* ===== Utility ===== */
    .mb-0 { margin-bottom: 0; }
    .mb-sm { margin-bottom: var(--space-sm); }
    .mb-md { margin-bottom: var(--space-md); }
    .mb-lg { margin-bottom: var(--space-lg); }
    .mb-xl { margin-bottom: var(--space-xl); }
    .mt-lg { margin-top: var(--space-lg); }
    .mt-xl { margin-top: var(--space-xl); }
    .text-center { text-align: center; }
    .text-primary { color: var(--color-primary); }
    .text-accent { color: var(--color-accent); }
    .bg-alt { background: var(--color-bg-alt); }

    /* ===== Skip Link ===== */
    .skip-link {
        position: absolute;
        top: -100px;
        left: var(--space-md);
        background: var(--color-primary);
        color: #fff;
        padding: 8px 20px;
        border-radius: var(--radius-sm);
        z-index: 10000;
        transition: top 0.2s;
    }
    .skip-link:focus { top: var(--space-md); }

    /* ===== Foundation Overrides ===== */
    .grid-container { max-width: 1200px; padding: 0 var(--space-lg); }
    @media (max-width: 640px) {
        .grid-container { padding: 0 var(--space-md); }
    }

/* roulang page: article */
:root {
            --primary: #c0392b;
            --primary-light: #e74c3c;
            --primary-dark: #96281b;
            --accent: #f39c12;
            --accent-light: #f1c40f;
            --bg-light: #fdf6f0;
            --bg-white: #ffffff;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --text-dark: #2c3e50;
            --text-muted: #7f8c8d;
            --text-light: #ecf0f1;
            --border: #e8ddd5;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow: 0 8px 30px rgba(192, 57, 43, 0.08);
            --shadow-hover: 0 16px 48px rgba(192, 57, 43, 0.15);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background: var(--bg-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul { list-style: none; padding: 0; margin: 0; }

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

        /* ===== Header & Brand ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 20px rgba(0,0,0,0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            flex-wrap: wrap;
            gap: 12px;
        }

        .site-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-logo i { color: var(--primary); font-size: 1.4rem; }
        .site-logo span { color: var(--primary); font-weight: 700; }
        .site-logo:hover { color: var(--primary); }

        .brand-tagline {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-left: 12px;
            padding-left: 12px;
            border-left: 2px solid var(--border);
            display: none;
        }
        @media screen and (min-width: 768px) {
            .brand-tagline { display: inline-block; }
        }

        /* ===== Channel Nav ===== */
        .channel-nav {
            background: var(--bg-white);
            border-bottom: 2px solid var(--border);
            padding: 0;
            overflow-x: auto;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
        }
        .channel-nav::-webkit-scrollbar { height: 3px; }
        .channel-nav::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 10px; }

        .channel-nav .container-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .channel-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 14px 18px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-muted);
            border-bottom: 3px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .channel-nav a i { font-size: 0.85rem; opacity: 0.7; }
        .channel-nav a:hover {
            color: var(--primary);
            background: rgba(192, 57, 43, 0.04);
            border-bottom-color: var(--primary-light);
        }
        .channel-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            background: rgba(192, 57, 43, 0.06);
        }
        .channel-nav a.nav-cta {
            background: var(--primary);
            color: #fff;
            border-radius: 30px;
            padding: 8px 20px;
            margin-left: auto;
            border-bottom: none;
            font-weight: 700;
            font-size: 0.85rem;
        }
        .channel-nav a.nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 15px rgba(192,57,43,0.3);
        }
        @media screen and (max-width: 768px) {
            .channel-nav .container-custom { gap: 0; }
            .channel-nav a { padding: 12px 14px; font-size: 0.82rem; }
            .channel-nav a.nav-cta { padding: 6px 14px; font-size: 0.78rem; }
        }

        /* ===== Page Banner ===== */
        .article-banner {
            position: relative;
            padding: 60px 0 50px;
            background: linear-gradient(135deg, #1a1a2e 0%, #2d1b1b 50%, #1a1a2e 100%);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.2;
            mix-blend-mode: overlay;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at top right, rgba(192,57,43,0.15), transparent 60%);
        }
        .article-banner .container-custom {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .article-banner .breadcrumb {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.6);
            margin-bottom: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .article-banner .breadcrumb a { color: rgba(255,255,255,0.7); }
        .article-banner .breadcrumb a:hover { color: #fff; }
        .article-banner .breadcrumb span { color: var(--accent); }
        .article-banner h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            max-width: 900px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
            margin-bottom: 16px;
        }
        .article-meta-banner {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: rgba(255,255,255,0.75);
            font-size: 0.9rem;
        }
        .article-meta-banner span { display: flex; align-items: center; gap: 6px; }
        .article-meta-banner i { color: var(--accent); }
        .article-meta-banner .category-tag {
            background: var(--primary);
            color: #fff;
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        @media screen and (max-width: 768px) {
            .article-banner { padding: 40px 0 36px; min-height: 220px; }
            .article-banner h1 { font-size: 1.6rem; }
            .article-meta-banner { gap: 12px; font-size: 0.8rem; }
        }
        @media screen and (max-width: 520px) {
            .article-banner h1 { font-size: 1.3rem; }
        }

        /* ===== Main Content ===== */
        .article-main {
            padding: 50px 0 70px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        @media screen and (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; gap: 40px; }
        }

        .article-content {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 40px 44px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .article-content .featured-image {
            width: 100%;
            border-radius: var(--radius-sm);
            margin-bottom: 28px;
            max-height: 460px;
            object-fit: cover;
        }
        .article-content .content-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-dark);
        }
        .article-content .content-body p {
            margin-bottom: 1.2em;
        }
        .article-content .content-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 1.8em 0 0.8em;
            color: var(--text-dark);
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }
        .article-content .content-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 1.4em 0 0.6em;
            color: var(--text-dark);
        }
        .article-content .content-body ul, 
        .article-content .content-body ol {
            margin: 1em 0;
            padding-left: 24px;
        }
        .article-content .content-body li {
            margin-bottom: 0.5em;
        }
        .article-content .content-body ul li { list-style: disc; }
        .article-content .content-body ol li { list-style: decimal; }
        .article-content .content-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--bg-light);
            padding: 16px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-muted);
        }
        .article-content .content-body img {
            border-radius: var(--radius-sm);
            margin: 1.5em 0;
            box-shadow: var(--shadow);
        }
        .article-content .content-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content .content-body a:hover { color: var(--primary-dark); }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-tags .tag {
            background: var(--bg-light);
            color: var(--text-muted);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .article-nav-links {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            flex-wrap: wrap;
            gap: 16px;
        }
        .article-nav-links a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.9rem;
        }
        .article-nav-links a:hover { color: var(--primary); }
        .article-nav-links .next { margin-left: auto; }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i { color: var(--primary); }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list a {
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-list a:hover { color: var(--primary); }
        .sidebar-list a .num {
            background: var(--bg-light);
            color: var(--text-muted);
            width: 26px;
            height: 26px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .sidebar-list a:hover .num { background: var(--primary); color: #fff; }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border: none;
            padding: 28px 24px;
        }
        .sidebar-cta h3 { color: #fff; }
        .sidebar-cta p { font-size: 0.9rem; opacity: 0.9; margin-bottom: 18px; }
        .sidebar-cta .btn-light {
            background: #fff;
            color: var(--primary);
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .sidebar-cta .btn-light:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,0,0,0.2); }

        /* ===== 404 State ===== */
        .not-found-state {
            text-align: center;
            padding: 60px 20px;
        }
        .not-found-state i { font-size: 4rem; color: var(--text-muted); margin-bottom: 20px; opacity: 0.4; }
        .not-found-state h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .not-found-state p { color: var(--text-muted); margin-bottom: 24px; }
        .not-found-state .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-state .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .site-logo { color: #fff; margin-bottom: 12px; }
        .footer-brand .site-logo span { color: var(--primary-light); }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; opacity: 0.75; margin-bottom: 18px; max-width: 360px; }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            width: 38px; height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            display: flex; align-items: center; justify-content: center;
            color: rgba(255,255,255,0.6);
            font-size: 1rem;
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul a {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            transition: var(--transition);
            display: flex; align-items: center; gap: 6px;
        }
        .footer-col ul a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-bottom {
            text-align: center;
            padding: 24px 0;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
            margin-top: 0;
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--primary-light); }

        @media screen and (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media screen and (max-width: 640px) {
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-brand p { max-width: 100%; }
            .site-footer { padding: 40px 0 0; }
            .article-content { padding: 24px 18px; }
            .article-content .content-body { font-size: 0.98rem; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-2 { margin-top: 20px; }
        .mb-2 { margin-bottom: 20px; }
        .gap-1 { gap: 12px; }

        @media screen and (max-width: 520px) {
            .container-custom { padding: 0 16px; }
            .header-inner { padding: 12px 0; }
            .site-logo { font-size: 1.3rem; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #c0392b;
            --primary-dark: #a93226;
            --primary-light: #e74c3c;
            --secondary: #8e44ad;
            --secondary-light: #a569bd;
            --accent-gold: #d4a017;
            --accent-gold-light: #f0c75e;
            --bg-dark: #1a1a2e;
            --bg-darker: #0f0f1a;
            --bg-card: #ffffff;
            --bg-soft: #f8f5f0;
            --bg-warm: #fdfcfa;
            --text-primary: #1c1c1e;
            --text-secondary: #4a4a52;
            --text-muted: #8a8a8e;
            --text-light: #f0f0f0;
            --text-gold: #d4a017;
            --border-light: #e8e3de;
            --border-medium: #d0cbc4;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.14);
            --shadow-glow: 0 0 30px rgba(192, 57, 43, 0.25);
            --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-serif: 'Playfair Display', 'Noto Serif SC', Georgia, serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-h: 56px;
            --nav-h: 48px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-warm);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--primary);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 600;
        }
        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== 顶部品牌条 ===== */
        .top-brand-bar {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 10px 0 8px;
            border-bottom: 2px solid var(--primary);
        }
        .top-brand-bar .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .site-logo {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-logo i {
            color: var(--accent-gold);
            font-size: 1.4rem;
        }
        .site-logo span {
            color: var(--accent-gold);
        }
        .site-logo:hover {
            color: var(--accent-gold-light);
        }
        .top-tagline {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.3px;
        }
        .top-tagline i {
            color: var(--accent-gold);
            margin-right: 4px;
        }
        @media (max-width: 640px) {
            .site-logo {
                font-size: 1.2rem;
            }
            .top-tagline {
                font-size: 0.75rem;
                width: 100%;
                text-align: center;
            }
            .top-brand-bar .container-custom {
                justify-content: center;
            }
        }

        /* ===== 频道导航 ===== */
        .channel-nav {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 100;
            min-height: var(--nav-h);
            display: flex;
            align-items: center;
        }
        .channel-nav .container-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-top: 4px;
            padding-bottom: 4px;
        }
        .channel-nav .container-custom::-webkit-scrollbar {
            display: none;
        }
        .channel-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .channel-nav a i {
            font-size: 0.85rem;
            opacity: 0.7;
        }
        .channel-nav a:hover {
            background: var(--bg-soft);
            color: var(--primary);
            border-color: var(--border-light);
        }
        .channel-nav a.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
        }
        .channel-nav a.active i {
            opacity: 1;
        }
        .channel-nav a.active:hover {
            background: var(--primary-dark);
        }
        .channel-nav .nav-cta {
            background: var(--bg-dark);
            color: var(--text-light);
            border-color: var(--bg-dark);
            margin-left: auto;
        }
        .channel-nav .nav-cta:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        @media (max-width: 768px) {
            .channel-nav a {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .channel-nav .nav-cta {
                margin-left: 0;
            }
        }
        @media (max-width: 520px) {
            .channel-nav .container-custom {
                gap: 2px;
            }
            .channel-nav a {
                font-size: 0.75rem;
                padding: 5px 10px;
            }
            .channel-nav a i {
                display: none;
            }
        }

        /* ===== 分类页 Banner ===== */
        .category-banner {
            position: relative;
            background: var(--bg-dark);
            min-height: 320px;
            display: flex;
            align-items: center;
            overflow: hidden;
            isolation: isolate;
        }
        .category-banner .banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.35;
            z-index: 0;
        }
        .category-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.92) 40%, rgba(192, 57, 43, 0.55) 100%);
            z-index: 1;
        }
        .category-banner .container-custom {
            position: relative;
            z-index: 2;
            padding-top: 60px;
            padding-bottom: 60px;
            text-align: center;
        }
        .category-banner .banner-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .category-banner h1 {
            font-family: var(--font-serif);
            font-size: 3.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .category-banner h1 i {
            color: var(--accent-gold);
            margin-right: 12px;
        }
        .category-banner .banner-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .category-banner .banner-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 24px;
        }
        .category-banner .banner-stats .stat-item {
            text-align: center;
            color: #fff;
        }
        .category-banner .banner-stats .stat-num {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            display: block;
        }
        .category-banner .banner-stats .stat-label {
            font-size: 0.85rem;
            opacity: 0.75;
            letter-spacing: 0.5px;
        }
        @media (max-width: 768px) {
            .category-banner {
                min-height: 240px;
            }
            .category-banner .container-custom {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .category-banner h1 {
                font-size: 2rem;
            }
            .category-banner .banner-desc {
                font-size: 0.95rem;
            }
            .category-banner .banner-stats {
                gap: 24px;
            }
            .category-banner .banner-stats .stat-num {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .category-banner h1 {
                font-size: 1.6rem;
            }
            .category-banner .banner-desc {
                font-size: 0.85rem;
            }
            .category-banner .banner-stats {
                gap: 16px;
            }
            .category-banner .banner-stats .stat-num {
                font-size: 1.2rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section-block {
            padding: 72px 0;
        }
        .section-block.alt-bg {
            background: var(--bg-soft);
        }
        .section-block.dark-bg {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .section-block .section-title {
            font-family: var(--font-serif);
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-block .section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 560px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        .section-block.dark-bg .section-sub {
            color: rgba(255, 255, 255, 0.65);
        }
        .section-block .section-title i {
            color: var(--primary);
            margin-right: 10px;
        }
        .section-block.dark-bg .section-title i {
            color: var(--accent-gold);
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 48px 0;
            }
            .section-block .section-title {
                font-size: 1.6rem;
            }
            .section-block .section-sub {
                font-size: 0.9rem;
            }
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .card-grid .card-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .card-grid .card-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .card-grid .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-grid .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-grid .card-tag {
            display: inline-block;
            background: var(--bg-soft);
            color: var(--primary);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 12px;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
            align-self: flex-start;
            border: 1px solid var(--border-light);
        }
        .card-grid .card-title {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-grid .card-title a:hover {
            color: var(--primary);
        }
        .card-grid .card-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .card-grid .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 14px;
            font-size: 0.78rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }
        .card-grid .card-meta i {
            margin-right: 4px;
        }
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .card-grid .card-body {
                padding: 16px 18px 20px;
            }
            .card-grid .card-title {
                font-size: 1rem;
            }
        }

        /* ===== 特色图文区块 ===== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-block .feature-img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }
        .feature-block .feature-content h3 {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .feature-block .feature-content p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .feature-block .feature-content .feature-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 20px;
        }
        .feature-block .feature-content .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text-secondary);
        }
        .feature-block .feature-content .feature-list li i {
            color: var(--primary);
            font-size: 1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
            color: #fff;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid var(--primary);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-gold);
            color: var(--bg-dark);
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-gold:hover {
            background: var(--accent-gold-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 160, 23, 0.35);
            color: var(--bg-dark);
        }
        @media (max-width: 900px) {
            .feature-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .feature-block .feature-content h3 {
                font-size: 1.4rem;
            }
            .feature-block .feature-img {
                aspect-ratio: 16 / 9;
            }
        }

        /* ===== 标签云 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 24px;
        }
        .tag-cloud .tag-item {
            display: inline-block;
            background: #fff;
            color: var(--text-secondary);
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .tag-cloud .tag-item:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .tag-cloud .tag-item.hot {
            border-color: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .tag-cloud .tag-item.hot:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== 排行 / 列表 ===== */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-list .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .rank-list .rank-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .rank-list .rank-num {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            min-width: 36px;
            text-align: center;
        }
        .rank-list .rank-num.gold {
            color: var(--accent-gold);
        }
        .rank-list .rank-num.silver {
            color: #a0a0a0;
        }
        .rank-list .rank-num.bronze {
            color: #cd7f32;
        }
        .rank-list .rank-info {
            flex: 1;
        }
        .rank-list .rank-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .rank-list .rank-info p {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .rank-list .rank-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            text-align: right;
            white-space: nowrap;
        }
        @media (max-width: 640px) {
            .rank-list .rank-item {
                flex-wrap: wrap;
                gap: 8px;
                padding: 12px 14px;
            }
            .rank-list .rank-meta {
                width: 100%;
                text-align: left;
            }
        }

        /* ===== FAQ ===== */
        .faq-grid {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-medium);
        }
        .faq-item .faq-q {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
        }
        .faq-item .faq-q i {
            color: var(--primary);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .faq-item .faq-q .faq-toggle {
            margin-left: auto;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .faq-item.active .faq-q .faq-toggle {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-a {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-a {
            display: block;
        }
        .faq-item.active .faq-q {
            color: var(--primary);
        }
        @media (max-width: 640px) {
            .faq-item .faq-q {
                padding: 14px 16px;
                font-size: 0.85rem;
            }
            .faq-item .faq-a {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }
        }

        /* ===== CTA 区块 ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #2c1a1a 100%);
            padding: 72px 24px;
            text-align: center;
            border-radius: var(--radius-lg);
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-block .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-block h2 {
            font-family: var(--font-serif);
            font-size: 2.4rem;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-block p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .cta-block .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .cta-block {
                padding: 48px 20px;
            }
            .cta-block h2 {
                font-size: 1.6rem;
            }
            .cta-block p {
                font-size: 0.9rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-darker);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-footer .footer-brand .site-logo {
            font-size: 1.5rem;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
            max-width: 320px;
        }
        .site-footer .footer-social {
            display: flex;
            gap: 14px;
        }
        .site-footer .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .site-footer .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .site-footer .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .site-footer .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--accent-gold-light);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent-gold-light);
        }
        @media (max-width: 900px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 640px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer {
                padding: 40px 0 0;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            background: var(--bg-soft);
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .breadcrumb-bar .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-bar .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb-bar .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb-bar .breadcrumb .sep {
            color: var(--border-medium);
        }
        .breadcrumb-bar .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        /* ===== Foundation 覆盖 ===== */
        .grid-container {
            max-width: var(--max-width);
        }
        .cell {
            padding: 0;
        }
        .grid-x {
            margin: 0;
        }
        .grid-x>.cell {
            padding: 0;
        }
        .grid-margin-x {
            margin-left: 0;
            margin-right: 0;
        }
        .grid-margin-x>.cell {
            padding: 0;
        }

        /* ===== 响应式补丁 ===== */
        @media (max-width: 1024px) {
            .feature-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 40px 0;
            }
            .section-block .section-title {
                font-size: 1.5rem;
            }
            .category-banner h1 {
                font-size: 2rem;
            }
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }
        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
            .category-banner h1 {
                font-size: 1.5rem;
            }
            .category-banner .banner-desc {
                font-size: 0.85rem;
            }
            .btn-primary,
            .btn-secondary,
            .btn-gold {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .channel-nav a {
                font-size: 0.72rem;
                padding: 4px 8px;
            }
            .top-tagline {
                font-size: 0.65rem;
            }
        }