/* roulang page: index */
/* ===== 设计变量 ===== */
    :root {
        --primary: #f0b90b;
        --primary-dark: #d4a40a;
        --primary-light: #fcd34d;
        --secondary: #00b4d8;
        --secondary-dark: #0096b0;
        --accent: #ff6b35;
        --bg-dark: #0b0f1a;
        --bg-mid: #111827;
        --bg-card: #1a2035;
        --bg-card-hover: #222b45;
        --bg-nav: rgba(11, 15, 26, 0.88);
        --text-primary: #ffffff;
        --text-secondary: #c0c8d8;
        --text-muted: #6b7a8f;
        --border-color: rgba(240, 185, 11, 0.15);
        --border-glow: rgba(240, 185, 11, 0.3);
        --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
        --shadow-glow: 0 0 40px rgba(240, 185, 11, 0.08);
        --radius-sm: 8px;
        --radius-md: 16px;
        --radius-lg: 24px;
        --radius-xl: 32px;
        --radius-full: 9999px;
        --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        --font-heading: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        --container-max: 1200px;
        --header-height: 76px;
        --spacing-section: 100px;
        --transition: 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-body);
        background: var(--bg-dark);
        color: var(--text-primary);
        line-height: 1.6;
        font-size: 16px;
        overflow-x: hidden;
    }
    a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
    a:hover { color: var(--primary-light); }
    a:focus-visible { outline: 2px solid var(--primary); outline-offset: 4px; border-radius: 4px; }
    img { max-width: 100%; height: auto; display: block; }
    button, input, select, textarea { font-family: inherit; font-size: 1rem; }
    button { cursor: pointer; border: none; background: none; }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.25; color: var(--text-primary); }
    h1 { font-size: clamp(2.2rem, 5.5vw, 4.2rem); }
    h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
    h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
    h4 { font-size: 1.15rem; }

    /* ===== Container ===== */
    .container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
    @media (max-width: 768px) { .container { padding: 0 16px; } }

    /* ===== 导航 ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        padding: 12px 0;
        background: var(--bg-nav);
        backdrop-filter: blur(20px) saturate(1.2);
        -webkit-backdrop-filter: blur(20px) saturate(1.2);
        border-bottom: 1px solid var(--border-color);
        transition: background var(--transition), box-shadow var(--transition);
        height: var(--header-height);
    }
    .site-header.scrolled {
        background: rgba(11, 15, 26, 0.96);
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 1.35rem;
        font-weight: 800;
        color: var(--text-primary);
        letter-spacing: 0.5px;
        transition: opacity var(--transition);
        flex-shrink: 0;
    }
    .logo:hover { opacity: 0.9; color: var(--text-primary); }
    .logo-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        border-radius: var(--radius-sm);
        color: var(--bg-dark);
        font-size: 1.2rem;
        font-weight: 900;
        flex-shrink: 0;
    }
    .logo-text span { color: var(--primary); }
    .main-nav { display: flex; align-items: center; gap: 8px; }
    .main-nav a {
        position: relative;
        padding: 10px 20px;
        border-radius: var(--radius-full);
        color: var(--text-secondary);
        font-weight: 500;
        font-size: 0.92rem;
        transition: all var(--transition);
        white-space: nowrap;
    }
    .main-nav a:hover {
        color: var(--text-primary);
        background: rgba(240, 185, 11, 0.08);
    }
    .main-nav a.active {
        color: var(--bg-dark);
        background: var(--primary);
        font-weight: 600;
    }
    .main-nav a.active:hover { background: var(--primary-dark); color: var(--bg-dark); }
    .nav-cta {
        padding: 10px 28px !important;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
        color: var(--bg-dark) !important;
        font-weight: 600 !important;
        border-radius: var(--radius-full) !important;
        box-shadow: 0 4px 20px rgba(240, 185, 11, 0.25);
        transition: all var(--transition) !important;
    }
    .nav-cta:hover {
        transform: translateY(-2px) !important;
        box-shadow: 0 6px 30px rgba(240, 185, 11, 0.35) !important;
        background: linear-gradient(135deg, var(--primary-light), var(--primary)) !important;
        color: var(--bg-dark) !important;
    }
    .nav-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        padding: 8px;
        background: rgba(255,255,255,0.05);
        border-radius: var(--radius-sm);
        cursor: pointer;
        border: 1px solid var(--border-color);
    }
    .nav-toggle span {
        display: block;
        width: 26px;
        height: 2.5px;
        background: var(--text-primary);
        border-radius: 4px;
        transition: all var(--transition);
    }
    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    @media (max-width: 820px) {
        .nav-toggle { display: flex; }
        .main-nav {
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(11, 15, 26, 0.98);
            backdrop-filter: blur(24px);
            flex-direction: column;
            padding: 20px 24px 32px;
            gap: 6px;
            border-bottom: 1px solid var(--border-color);
            transform: translateY(-120%);
            opacity: 0;
            pointer-events: none;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            box-shadow: 0 20px 60px rgba(0,0,0,0.6);
        }
        .main-nav.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }
        .main-nav a {
            width: 100%;
            padding: 14px 20px;
            border-radius: var(--radius-md);
            text-align: center;
            font-size: 1rem;
        }
        .nav-cta {
            margin-top: 8px;
            text-align: center;
        }
    }

    /* ===== Hero ===== */
    .hero {
        position: relative;
        min-height: 92vh;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 120px 0 80px;
        overflow: hidden;
        background: var(--bg-dark);
    }
    .hero-bg {
        position: absolute;
        inset: 0;
        z-index: 0;
        background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        opacity: 0.45;
        mask-image: linear-gradient(to bottom, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 80%, transparent 100%);
        -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 80%, transparent 100%);
    }
    .hero-overlay {
        position: absolute;
        inset: 0;
        z-index: 1;
        background: radial-gradient(ellipse at 30% 50%, rgba(240, 185, 11, 0.06) 0%, transparent 60%),
                    radial-gradient(ellipse at 70% 30%, rgba(0, 180, 216, 0.04) 0%, transparent 50%),
                    linear-gradient(to bottom, rgba(11,15,26,0.3) 0%, var(--bg-dark) 95%);
    }
    .hero-content {
        position: relative;
        z-index: 2;
        text-align: center;
        max-width: 880px;
        margin: 0 auto;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 8px 20px;
        background: rgba(240, 185, 11, 0.1);
        border: 1px solid rgba(240, 185, 11, 0.2);
        border-radius: var(--radius-full);
        font-size: 0.85rem;
        color: var(--primary);
        margin-bottom: 28px;
        letter-spacing: 0.5px;
        backdrop-filter: blur(8px);
    }
    .hero-badge i { font-size: 0.75rem; }
    .hero h1 {
        font-size: clamp(2.4rem, 6vw, 4.6rem);
        font-weight: 900;
        line-height: 1.1;
        margin-bottom: 20px;
        background: linear-gradient(135deg, #ffffff 0%, #c0c8d8 50%, #ffffff 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .hero h1 span {
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .hero-sub {
        font-size: clamp(1.05rem, 1.8vw, 1.35rem);
        color: var(--text-secondary);
        max-width: 640px;
        margin: 0 auto 36px;
        line-height: 1.7;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        justify-content: center;
        align-items: center;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 16px 36px;
        border-radius: var(--radius-full);
        font-weight: 600;
        font-size: 1.02rem;
        transition: all var(--transition);
        border: none;
        white-space: nowrap;
    }
    .btn-primary {
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: var(--bg-dark);
        box-shadow: 0 4px 24px rgba(240, 185, 11, 0.3);
    }
    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 40px rgba(240, 185, 11, 0.4);
        color: var(--bg-dark);
    }
    .btn-secondary {
        background: rgba(255,255,255,0.06);
        color: var(--text-primary);
        border: 1px solid rgba(255,255,255,0.12);
        backdrop-filter: blur(8px);
    }
    .btn-secondary:hover {
        background: rgba(255,255,255,0.12);
        color: var(--text-primary);
        transform: translateY(-2px);
        border-color: rgba(240, 185, 11, 0.3);
    }
    .btn-sm {
        padding: 10px 22px;
        font-size: 0.9rem;
    }
    .hero-stats {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 40px;
        margin-top: 56px;
        padding-top: 40px;
        border-top: 1px solid rgba(255,255,255,0.06);
    }
    .hero-stat { text-align: center; }
    .hero-stat-num {
        font-size: 2rem;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.2;
    }
    .hero-stat-label {
        font-size: 0.85rem;
        color: var(--text-muted);
        margin-top: 4px;
    }

    @media (max-width: 768px) {
        .hero { min-height: 80vh; padding: 100px 0 60px; }
        .hero-stats { gap: 24px; padding-top: 28px; }
        .hero-stat-num { font-size: 1.6rem; }
        .btn { padding: 14px 28px; font-size: 0.95rem; }
    }

    /* ===== 板块通用 ===== */
    .section {
        padding: var(--spacing-section) 0;
        position: relative;
    }
    .section-dark { background: var(--bg-mid); }
    .section-card { background: var(--bg-card); }
    .section-divider {
        border: none;
        height: 1px;
        background: linear-gradient(to right, transparent, var(--border-color), transparent);
        margin: 0;
    }
    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 16px;
        background: rgba(240, 185, 11, 0.08);
        border: 1px solid rgba(240, 185, 11, 0.12);
        border-radius: var(--radius-full);
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--primary);
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-bottom: 16px;
    }
    .section-title {
        margin-bottom: 16px;
    }
    .section-desc {
        font-size: 1.1rem;
        color: var(--text-secondary);
        max-width: 600px;
        line-height: 1.7;
    }
    .section-header {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        margin-bottom: 52px;
    }
    .section-header .section-desc { max-width: 640px; }
    .section-header-left {
        align-items: flex-start;
        text-align: left;
    }

    @media (max-width: 768px) {
        .section { --spacing-section: 60px; }
        .section-header { margin-bottom: 36px; }
    }

    /* ===== 特色板块 ===== */
    .features-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    .feature-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 36px 28px 32px;
        text-align: center;
        transition: all var(--transition);
        position: relative;
        overflow: hidden;
    }
    .feature-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, var(--primary), var(--secondary));
        opacity: 0;
        transition: opacity var(--transition);
    }
    .feature-card:hover {
        transform: translateY(-6px);
        border-color: var(--border-glow);
        box-shadow: var(--shadow-card), var(--shadow-glow);
        background: var(--bg-card-hover);
    }
    .feature-card:hover::before { opacity: 1; }
    .feature-icon {
        width: 64px;
        height: 64px;
        margin: 0 auto 20px;
        background: rgba(240, 185, 11, 0.08);
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.6rem;
        color: var(--primary);
        transition: all var(--transition);
    }
    .feature-card:hover .feature-icon {
        background: rgba(240, 185, 11, 0.15);
        transform: scale(1.05);
    }
    .feature-card h3 { margin-bottom: 10px; font-size: 1.15rem; }
    .feature-card p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.65; }

    @media (max-width: 1024px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 520px) { .features-grid { grid-template-columns: 1fr; } }

    /* ===== 游戏分类 ===== */
    .categories-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    .category-card {
        position: relative;
        border-radius: var(--radius-md);
        overflow: hidden;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        transition: all var(--transition);
        cursor: pointer;
        aspect-ratio: 4 / 3;
        display: flex;
        align-items: flex-end;
    }
    .category-card img {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .category-card:hover img { transform: scale(1.08); }
    .category-card-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(11,15,26,0.9) 0%, rgba(11,15,26,0.2) 60%, transparent 100%);
        z-index: 1;
    }
    .category-card-content {
        position: relative;
        z-index: 2;
        padding: 24px 20px 20px;
        width: 100%;
    }
    .category-card-content h3 {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: 4px;
        color: #fff;
    }
    .category-card-content p {
        font-size: 0.82rem;
        color: rgba(255,255,255,0.65);
    }
    .category-card .badge-count {
        position: absolute;
        top: 16px;
        right: 16px;
        z-index: 2;
        background: rgba(240, 185, 11, 0.9);
        color: var(--bg-dark);
        padding: 4px 12px;
        border-radius: var(--radius-full);
        font-size: 0.75rem;
        font-weight: 700;
    }

    @media (max-width: 1024px) { .categories-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 520px) { .categories-grid { grid-template-columns: 1fr; } }

    /* ===== 资讯/内容列表 ===== */
    .posts-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .post-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: all var(--transition);
        display: flex;
        flex-direction: column;
    }
    .post-card:hover {
        transform: translateY(-4px);
        border-color: var(--border-glow);
        box-shadow: var(--shadow-card), var(--shadow-glow);
        background: var(--bg-card-hover);
    }
    .post-card-img {
        width: 100%;
        aspect-ratio: 16 / 9;
        object-fit: cover;
        transition: transform 0.4s ease;
    }
    .post-card:hover .post-card-img { transform: scale(1.02); }
    .post-card-body {
        padding: 20px 22px 22px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .post-card-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 10px;
        font-size: 0.8rem;
        color: var(--text-muted);
    }
    .post-card-meta .tag {
        display: inline-block;
        padding: 3px 12px;
        background: rgba(240, 185, 11, 0.1);
        color: var(--primary);
        border-radius: var(--radius-full);
        font-weight: 600;
        font-size: 0.72rem;
        letter-spacing: 0.3px;
    }
    .post-card h3 {
        font-size: 1.05rem;
        font-weight: 600;
        margin-bottom: 8px;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .post-card h3 a { color: var(--text-primary); }
    .post-card h3 a:hover { color: var(--primary); }
    .post-card p {
        color: var(--text-secondary);
        font-size: 0.88rem;
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        flex: 1;
        margin-bottom: 12px;
    }
    .post-card .read-more {
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: gap var(--transition);
    }
    .post-card .read-more:hover { gap: 12px; }

    .posts-empty {
        grid-column: 1 / -1;
        text-align: center;
        padding: 60px 20px;
        color: var(--text-muted);
        background: var(--bg-card);
        border-radius: var(--radius-md);
        border: 1px dashed var(--border-color);
    }
    .posts-empty i { font-size: 2.4rem; margin-bottom: 16px; opacity: 0.4; }

    @media (max-width: 1024px) { .posts-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 620px) { .posts-grid { grid-template-columns: 1fr; } }

    /* ===== 数据/流程 ===== */
    .process-section {
        background: var(--bg-mid);
        position: relative;
    }
    .process-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(to right, transparent, var(--border-color), transparent);
    }
    .process-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
        position: relative;
    }
    .process-grid::before {
        content: '';
        position: absolute;
        top: 44px;
        left: 10%;
        right: 10%;
        height: 2px;
        background: linear-gradient(to right, var(--primary), var(--secondary), var(--primary));
        opacity: 0.15;
        z-index: 0;
    }
    .process-step {
        text-align: center;
        position: relative;
        z-index: 1;
    }
    .process-step-num {
        width: 56px;
        height: 56px;
        margin: 0 auto 20px;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.3rem;
        font-weight: 800;
        color: var(--bg-dark);
        box-shadow: 0 0 30px rgba(240, 185, 11, 0.15);
        position: relative;
    }
    .process-step h3 { font-size: 1.05rem; margin-bottom: 8px; }
    .process-step p { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.6; }

    @media (max-width: 1024px) {
        .process-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
        .process-grid::before { display: none; }
    }
    @media (max-width: 520px) { .process-grid { grid-template-columns: 1fr; } }

    /* ===== 数据统计 ===== */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    .stat-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 32px 24px;
        text-align: center;
        transition: all var(--transition);
    }
    .stat-card:hover {
        border-color: var(--border-glow);
        box-shadow: var(--shadow-card), var(--shadow-glow);
        transform: translateY(-2px);
    }
    .stat-card-icon {
        font-size: 2rem;
        color: var(--primary);
        margin-bottom: 12px;
    }
    .stat-card-number {
        font-size: 2.4rem;
        font-weight: 800;
        color: var(--text-primary);
        line-height: 1.2;
        margin-bottom: 4px;
    }
    .stat-card-label {
        font-size: 0.88rem;
        color: var(--text-muted);
    }

    @media (max-width: 1024px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 520px) { .stats-grid { grid-template-columns: 1fr; } }

    /* ===== FAQ ===== */
    .faq-list {
        max-width: 780px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .faq-item {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: all var(--transition);
    }
    .faq-item:hover { border-color: rgba(240, 185, 11, 0.2); }
    .faq-question {
        width: 100%;
        padding: 20px 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        font-size: 1rem;
        font-weight: 600;
        color: var(--text-primary);
        text-align: left;
        background: none;
        border: none;
        cursor: pointer;
        transition: color var(--transition);
    }
    .faq-question:hover { color: var(--primary); }
    .faq-question i {
        font-size: 0.85rem;
        color: var(--primary);
        transition: transform var(--transition);
        flex-shrink: 0;
    }
    .faq-item.open .faq-question i { transform: rotate(180deg); }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.4s ease;
    }
    .faq-item.open .faq-answer {
        max-height: 400px;
    }
    .faq-answer-inner {
        padding: 0 24px 20px;
        color: var(--text-secondary);
        font-size: 0.92rem;
        line-height: 1.7;
    }

    /* ===== CTA ===== */
    .cta-section {
        background: var(--bg-mid);
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        opacity: 0.06;
        z-index: 0;
    }
    .cta-content {
        position: relative;
        z-index: 1;
        text-align: center;
        padding: 40px 0;
    }
    .cta-content h2 { margin-bottom: 16px; }
    .cta-content p {
        color: var(--text-secondary);
        font-size: 1.1rem;
        max-width: 560px;
        margin: 0 auto 32px;
    }
    .cta-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        justify-content: center;
    }

    /* ===== 页脚 ===== */
    .site-footer {
        background: var(--bg-dark);
        border-top: 1px solid var(--border-color);
        padding: 60px 0 32px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-brand .logo { margin-bottom: 16px; }
    .footer-brand p {
        color: var(--text-muted);
        font-size: 0.9rem;
        line-height: 1.7;
        max-width: 320px;
    }
    .footer-col h4 {
        font-size: 0.95rem;
        font-weight: 700;
        margin-bottom: 16px;
        color: var(--text-primary);
    }
    .footer-col a {
        display: block;
        padding: 6px 0;
        font-size: 0.88rem;
        color: var(--text-muted);
        transition: color var(--transition);
    }
    .footer-col a:hover { color: var(--primary); }
    .footer-social {
        display: flex;
        gap: 12px;
        margin-top: 16px;
    }
    .footer-social a {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(255,255,255,0.04);
        border: 1px solid var(--border-color);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-muted);
        font-size: 1rem;
        transition: all var(--transition);
    }
    .footer-social a:hover {
        background: rgba(240, 185, 11, 0.1);
        border-color: var(--primary);
        color: var(--primary);
        transform: translateY(-2px);
    }
    .footer-bottom {
        border-top: 1px solid var(--border-color);
        padding-top: 24px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
    }
    .footer-bottom p {
        font-size: 0.82rem;
        color: var(--text-muted);
    }
    .footer-bottom-links {
        display: flex;
        gap: 20px;
    }
    .footer-bottom-links a {
        font-size: 0.82rem;
        color: var(--text-muted);
    }
    .footer-bottom-links a:hover { color: var(--primary); }

    @media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
    @media (max-width: 620px) { .footer-grid { grid-template-columns: 1fr; } .footer-bottom { flex-direction: column; text-align: center; } }

    /* ===== 回到顶部 ===== */
    .back-to-top {
        position: fixed;
        bottom: 30px;
        right: 30px;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: var(--primary);
        color: var(--bg-dark);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        box-shadow: 0 4px 20px rgba(240, 185, 11, 0.3);
        z-index: 999;
        opacity: 0;
        transform: translateY(20px);
        pointer-events: none;
        transition: all var(--transition);
    }
    .back-to-top.visible {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }
    .back-to-top:hover {
        background: var(--primary-light);
        transform: translateY(-4px) scale(1.05);
        box-shadow: 0 8px 30px rgba(240, 185, 11, 0.4);
    }

    /* ===== 动画 ===== */
    @keyframes fadeUp {
        from { opacity: 0; transform: translateY(30px); }
        to { opacity: 1; transform: translateY(0); }
    }
    .anim-fade-up { animation: fadeUp 0.6s ease forwards; }
    .anim-delay-1 { animation-delay: 0.1s; }
    .anim-delay-2 { animation-delay: 0.2s; }
    .anim-delay-3 { animation-delay: 0.3s; }
    .anim-delay-4 { animation-delay: 0.4s; }

    /* ===== 通用工具 ===== */
    .text-center { text-align: center; }
    .mt-8 { margin-top: 8px; }
    .mt-16 { margin-top: 16px; }
    .mt-24 { margin-top: 24px; }
    .mt-32 { margin-top: 32px; }
    .mb-16 { margin-bottom: 16px; }
    .mb-24 { margin-bottom: 24px; }
    .mb-32 { margin-bottom: 32px; }
    .gap-8 { gap: 8px; }
    .gap-12 { gap: 12px; }
    .flex-center { display: flex; align-items: center; justify-content: center; }
    .flex-wrap { flex-wrap: wrap; }
    .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --clr-primary: #f0b90b;
  --clr-primary-dark: #d4a017;
  --clr-primary-light: #fcd34d;
  --clr-accent: #e94560;
  --clr-accent-dark: #c73a54;
  --clr-bg: #0a0a1a;
  --clr-bg-alt: #111128;
  --clr-bg-card: #1a1a3e;
  --clr-bg-card-hover: #222250;
  --clr-surface: #16163a;
  --clr-text: #f0f0f0;
  --clr-text-secondary: #b0b0c8;
  --clr-text-muted: #7a7a9a;
  --clr-border: #2a2a5a;
  --clr-border-light: #3a3a6a;
  --clr-overlay: rgba(10, 10, 30, 0.75);
  --clr-overlay-dark: rgba(10, 10, 30, 0.92);
  --clr-glow: rgba(240, 185, 11, 0.15);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(240, 185, 11, 0.08);
  --shadow-btn: 0 4px 20px rgba(240, 185, 11, 0.3);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --container-w: 1200px;
  --nav-height: 72px;
}

/* ===== 基础 Reset ===== */
*, *::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(--clr-text);
  background: var(--clr-bg);
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: var(--clr-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--clr-primary-light); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--clr-text); }
h1 { font-size: 2.8rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.2rem; }
p { margin-bottom: 1rem; color: var(--clr-text-secondary); }
::selection { background: var(--clr-primary); color: #0a0a1a; }

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

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(10, 10, 30, 0.75);
  backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid rgba(42, 42, 90, 0.5);
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(10, 10, 30, 0.92);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--clr-text);
  text-decoration: none;
  flex-shrink: 0;
}
.logo:hover { color: var(--clr-text); }
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  color: #0a0a1a;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  text-transform: uppercase;
}
.logo-text { font-size: 1.2rem; }
.logo-text span { color: var(--clr-primary); }
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav a {
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text-secondary);
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover {
  color: var(--clr-text);
  background: rgba(240, 185, 11, 0.08);
}
.main-nav a.active {
  color: #0a0a1a;
  background: var(--clr-primary);
  font-weight: 600;
}
.main-nav a.nav-cta {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  color: #0a0a1a;
  font-weight: 600;
  padding: 8px 22px;
  box-shadow: var(--shadow-btn);
}
.main-nav a.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(240, 185, 11, 0.4);
}
.main-nav a.nav-cta i { margin-right: 6px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--clr-text);
  border-radius: 4px;
  transition: var(--transition);
}
.nav-toggle:hover span { background: var(--clr-primary); }

/* ===== 文章 Banner ===== */
.article-banner {
  position: relative;
  padding: 120px 0 80px;
  margin-top: var(--nav-height);
  background: var(--clr-bg-alt);
  overflow: hidden;
}
.article-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  opacity: 0.12;
  pointer-events: none;
}
.article-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,10,30,0.5) 0%, var(--clr-bg) 100%);
  pointer-events: none;
}
.article-banner .container {
  position: relative;
  z-index: 2;
}
.banner-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(240, 185, 11, 0.15);
  color: var(--clr-primary);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
  border: 1px solid rgba(240, 185, 11, 0.2);
}
.banner-category i { font-size: 0.75rem; }
.banner-title {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.2;
  max-width: 900px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--clr-text) 60%, var(--clr-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.banner-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  color: var(--clr-text-muted);
  font-size: 0.9rem;
}
.banner-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}
.banner-meta i { color: var(--clr-primary); font-size: 0.85rem; }
.banner-meta .meta-author { color: var(--clr-text-secondary); }
.banner-image-wrap {
  margin-top: 30px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  max-height: 480px;
  position: relative;
}
.banner-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== 文章正文 ===== */
.article-body-section {
  padding: 60px 0 80px;
  background: var(--clr-bg);
}
.article-body-wrapper {
  max-width: 800px;
  margin: 0 auto;
}
.article-body {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--clr-text-secondary);
}
.article-body h2, .article-body h3, .article-body h4 {
  margin-top: 2em;
  margin-bottom: 0.8em;
  color: var(--clr-text);
}
.article-body h2 { font-size: 1.8rem; }
.article-body h3 { font-size: 1.4rem; }
.article-body p {
  margin-bottom: 1.4em;
  color: var(--clr-text-secondary);
}
.article-body ul, .article-body ol {
  margin: 1.2em 0;
  padding-left: 1.6em;
  color: var(--clr-text-secondary);
}
.article-body ul li { list-style: disc; margin-bottom: 0.5em; }
.article-body ol li { list-style: decimal; margin-bottom: 0.5em; }
.article-body blockquote {
  border-left: 4px solid var(--clr-primary);
  background: rgba(240, 185, 11, 0.05);
  padding: 16px 24px;
  margin: 1.5em 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--clr-text-secondary);
  font-style: italic;
}
.article-body code {
  background: var(--clr-bg-card);
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--clr-primary);
}
.article-body pre {
  background: var(--clr-bg-card);
  padding: 20px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 1.5em 0;
  border: 1px solid var(--clr-border);
}
.article-body pre code { background: none; padding: 0; color: inherit; }
.article-body img {
  border-radius: var(--radius-md);
  margin: 1.5em auto;
  box-shadow: var(--shadow-card);
}
.article-body a { color: var(--clr-primary); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--clr-primary-light); }
.article-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-border), transparent);
  margin: 40px 0;
}

/* ===== 文章标签与分享 ===== */
.article-footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-top: 30px;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.article-tags .tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--clr-text-secondary);
  transition: var(--transition);
}
.article-tags .tag:hover {
  background: var(--clr-bg-card-hover);
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}
.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
}
.article-share span { color: var(--clr-text-muted); font-size: 0.9rem; }
.article-share a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-secondary);
  font-size: 1.1rem;
  transition: var(--transition);
}
.article-share a:hover {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: #0a0a1a;
  transform: translateY(-3px);
}

/* ===== 文章导航（上一篇/下一篇） ===== */
.article-pagination {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 50px;
}
.pagination-item {
  padding: 24px;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.pagination-item:hover {
  background: var(--clr-bg-card-hover);
  border-color: var(--clr-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.pagination-item .pagination-label {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.pagination-item .pagination-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--clr-text);
  line-height: 1.4;
}
.pagination-next { text-align: right; }

/* ===== 相关文章 ===== */
.related-section {
  padding: 80px 0;
  background: var(--clr-bg-alt);
  position: relative;
}
.related-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  opacity: 0.04;
  pointer-events: none;
}
.section-header {
  text-align: center;
  margin-bottom: 50px;
  position: relative;
  z-index: 2;
}
.section-header h2 {
  font-size: 2rem;
  margin-bottom: 12px;
}
.section-header p {
  max-width: 600px;
  margin: 0 auto;
  color: var(--clr-text-muted);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}
.related-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.related-card:hover {
  background: var(--clr-bg-card-hover);
  border-color: var(--clr-primary);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}
.related-card .card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid var(--clr-border);
}
.related-card .card-body {
  padding: 20px;
}
.related-card .card-category {
  font-size: 0.8rem;
  color: var(--clr-primary);
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.related-card .card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.35;
  color: var(--clr-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .card-title a { color: var(--clr-text); }
.related-card .card-title a:hover { color: var(--clr-primary); }
.related-card .card-excerpt {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}
.related-card .card-meta {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
  display: flex;
  align-items: center;
  gap: 12px;
}
.related-card .card-meta i { font-size: 0.75rem; }

/* ===== FAQ ===== */
.faq-section {
  padding: 80px 0;
  background: var(--clr-bg);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--clr-border-light); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--clr-text);
  background: none;
  width: 100%;
  text-align: left;
  gap: 16px;
  transition: var(--transition);
}
.faq-question:hover { color: var(--clr-primary); }
.faq-question i {
  font-size: 0.9rem;
  color: var(--clr-primary);
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
  color: var(--clr-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 80px 0;
  background: var(--clr-bg-alt);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  opacity: 0.06;
  pointer-events: none;
}
.cta-box {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  padding: 50px 40px;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.cta-box h2 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}
.cta-box p {
  color: var(--clr-text-muted);
  margin-bottom: 30px;
}
.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  color: #0a0a1a;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(240, 185, 11, 0.35);
  color: #0a0a1a;
}
.btn-secondary {
  background: transparent;
  color: var(--clr-text);
  border: 2px solid var(--clr-border);
}
.btn-secondary:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  transform: translateY(-3px);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--clr-bg-alt);
  border-top: 1px solid var(--clr-border);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 360px;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-secondary);
  font-size: 1.2rem;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: #0a0a1a;
  transform: translateY(-3px);
}
.footer-col h4 {
  font-size: 1.05rem;
  margin-bottom: 20px;
  color: var(--clr-text);
}
.footer-col a {
  display: block;
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  transition: var(--transition);
}
.footer-col a:hover { color: var(--clr-primary); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--clr-text-muted);
}
.footer-bottom p { margin: 0; color: var(--clr-text-muted); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { color: var(--clr-text-muted); font-size: 0.85rem; }
.footer-bottom-links a:hover { color: var(--clr-primary); }

/* ===== 错误状态 ===== */
.error-state {
  padding: 120px 0 80px;
  text-align: center;
  margin-top: var(--nav-height);
}
.error-state .error-icon {
  font-size: 4rem;
  color: var(--clr-primary);
  margin-bottom: 20px;
}
.error-state h2 { font-size: 2rem; margin-bottom: 12px; }
.error-state p { color: var(--clr-text-muted); margin-bottom: 30px; }
.error-state .btn { margin: 0 auto; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .banner-title { font-size: 2.2rem; }
}

@media (max-width: 768px) {
  :root { --nav-height: 64px; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .main-nav {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10, 10, 30, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px;
    gap: 8px;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    border-bottom: 1px solid var(--clr-border);
    box-shadow: var(--shadow-card);
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .main-nav a { width: 100%; text-align: center; padding: 12px; font-size: 1rem; }
  .nav-toggle { display: flex; }
  .article-banner { padding: 100px 0 50px; }
  .banner-title { font-size: 1.8rem; }
  .banner-meta { gap: 12px; font-size: 0.8rem; }
  .article-body-wrapper { padding: 0; }
  .article-body { font-size: 1rem; }
  .article-pagination { grid-template-columns: 1fr; }
  .pagination-next { text-align: left; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-bottom-links { justify-content: center; }
  .cta-box { padding: 30px 20px; }
  .cta-box h2 { font-size: 1.4rem; }
  .section-header h2 { font-size: 1.6rem; }
  .article-footer-meta { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .banner-title { font-size: 1.5rem; }
  .banner-meta { flex-direction: column; gap: 8px; }
  .article-body h2 { font-size: 1.4rem; }
  .article-body h3 { font-size: 1.2rem; }
  .related-card .card-img { height: 160px; }
  .faq-question { font-size: 0.95rem; padding: 14px 18px; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1724;
            --primary-light: #1a2744;
            --primary-mid: #1e3a5f;
            --accent: #d4a853;
            --accent-hover: #e4b85e;
            --accent-glow: rgba(212, 168, 83, 0.25);
            --bg-body: #0a0f1a;
            --bg-card: #111b2c;
            --bg-card-hover: #162238;
            --bg-section-alt: #0d1524;
            --text-primary: #f0f4fa;
            --text-secondary: #b8c8e0;
            --text-muted: #7a8ba8;
            --border-color: rgba(212, 168, 83, 0.15);
            --border-light: rgba(255, 255, 255, 0.06);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 12px 48px rgba(212, 168, 83, 0.12);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::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);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 4px;
            border-radius: 4px;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / 悬浮胶囊导航 ===== */
        .site-header {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 48px);
            max-width: var(--container-max);
            background: rgba(15, 23, 36, 0.82);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border: 1px solid var(--border-color);
            border-radius: 60px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(10, 15, 26, 0.94);
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.6);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 8px 0 20px;
            height: 56px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            color: var(--text-primary) !important;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent), #b8922f);
            border-radius: 10px;
            font-size: 18px;
            font-weight: 800;
            color: #0a0f1a;
            letter-spacing: -0.5px;
            box-shadow: 0 0 20px var(--accent-glow);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: var(--text-primary);
        }
        .logo-text span {
            color: var(--accent);
            font-weight: 600;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: var(--primary);
            background: var(--accent);
            font-weight: 600;
            box-shadow: 0 0 24px var(--accent-glow);
        }
        .main-nav a.active:hover {
            background: var(--accent-hover);
            color: var(--primary);
        }
        .main-nav .nav-cta {
            background: linear-gradient(135deg, var(--accent), #b8922f);
            color: var(--primary) !important;
            font-weight: 600;
            padding: 8px 22px;
            border-radius: 30px;
            box-shadow: 0 0 20px var(--accent-glow);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav .nav-cta:hover {
            background: linear-gradient(135deg, var(--accent-hover), #c89e3e);
            transform: translateY(-1px);
            box-shadow: 0 4px 28px var(--accent-glow);
            color: var(--primary) !important;
        }
        .main-nav .nav-cta i {
            font-size: 14px;
        }

        /* ===== 移动端导航切换 ===== */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        @media (max-width: 768px) {
            .site-header {
                top: 12px;
                width: calc(100% - 24px);
                border-radius: 40px;
            }
            .header-inner {
                padding: 0 4px 0 16px;
                height: 52px;
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 64px;
                left: 12px;
                right: 12px;
                background: rgba(10, 15, 26, 0.97);
                backdrop-filter: blur(20px);
                border: 1px solid var(--border-color);
                border-radius: 24px;
                flex-direction: column;
                padding: 16px 12px;
                gap: 4px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-12px) scale(0.96);
                transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
            }
            .main-nav.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0) scale(1);
            }
            .main-nav a {
                padding: 12px 20px;
                border-radius: 14px;
                font-size: 16px;
                width: 100%;
                text-align: center;
            }
            .main-nav .nav-cta {
                justify-content: center;
                margin-top: 4px;
            }
        }
        @media (max-width: 420px) {
            .site-header {
                top: 8px;
                width: calc(100% - 16px);
                border-radius: 32px;
            }
            .header-inner {
                padding: 0 2px 0 12px;
                height: 48px;
            }
            .logo-text {
                font-size: 15px;
            }
            .logo-text span {
                font-size: 15px;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
                border-radius: 8px;
            }
            .main-nav {
                top: 58px;
                left: 8px;
                right: 8px;
                padding: 12px 8px;
                border-radius: 20px;
            }
            .main-nav a {
                padding: 10px 16px;
                font-size: 15px;
            }
        }

        /* ===== Hero / 分类横幅 ===== */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 120px 24px 80px;
            background: linear-gradient(135deg, #0a0f1a 0%, #0d1524 40%, #111b2c 100%);
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.2;
            mix-blend-mode: overlay;
            z-index: 0;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 80%, rgba(212, 168, 83, 0.08) 0%, transparent 70%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero h1 {
            font-size: clamp(2.4rem, 6vw, 4rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero p {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: var(--text-secondary);
            max-width: 720px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .category-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }
        .category-hero .hero-tags span {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            background: rgba(212, 168, 83, 0.12);
            color: var(--accent);
            border: 1px solid rgba(212, 168, 83, 0.2);
            backdrop-filter: blur(4px);
        }
        @media (max-width: 768px) {
            .category-hero {
                min-height: 340px;
                padding: 100px 16px 60px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 420px) {
            .category-hero {
                min-height: 280px;
                padding: 88px 12px 48px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-tags span {
                font-size: 12px;
                padding: 4px 14px;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: clamp(1.6rem, 4vw, 2.4rem);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-header h2 i {
            color: var(--accent);
            margin-right: 10px;
        }
        .section-header p {
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        .section-header .divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), transparent);
            border-radius: 4px;
            margin: 16px auto 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }
        @media (max-width: 420px) {
            .section {
                padding: 40px 0;
            }
            .section-header {
                margin-bottom: 24px;
            }
        }

        /* ===== 攻略分类标签 ===== */
        .guide-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 40px;
        }
        .guide-tabs a {
            display: inline-block;
            padding: 8px 24px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .guide-tabs a:hover {
            color: var(--accent);
            border-color: var(--accent);
            background: rgba(212, 168, 83, 0.08);
        }
        .guide-tabs a.active-tab {
            color: var(--primary);
            background: var(--accent);
            border-color: var(--accent);
            font-weight: 600;
            box-shadow: 0 0 24px var(--accent-glow);
        }
        .guide-tabs a.active-tab:hover {
            background: var(--accent-hover);
            color: var(--primary);
        }

        /* ===== 攻略卡片网格 ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(212, 168, 83, 0.2);
            background: var(--bg-card-hover);
        }
        .guide-card .card-img {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--primary-light);
        }
        .guide-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .guide-card:hover .card-img img {
            transform: scale(1.05);
        }
        .guide-card .card-img .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background: var(--accent);
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(212, 168, 83, 0.3);
        }
        .guide-card .card-img .badge.hot {
            background: #e94560;
            color: #fff;
        }
        .guide-card .card-img .badge.new {
            background: #2ecc71;
            color: #fff;
        }
        .guide-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: color var(--transition);
        }
        .guide-card:hover .card-body h3 {
            color: var(--accent);
        }
        .guide-card .card-body p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .guide-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
            font-size: 13px;
            color: var(--text-muted);
        }
        .guide-card .card-meta span i {
            margin-right: 4px;
        }
        .guide-card .card-meta .read-more {
            color: var(--accent);
            font-weight: 500;
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }
        .guide-card .card-meta .read-more:hover {
            gap: 8px;
        }
        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .guide-card .card-body {
                padding: 16px;
            }
            .guide-card .card-body h3 {
                font-size: 1rem;
            }
        }

        /* ===== 热门排行 ===== */
        .rank-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .rank-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(212, 168, 83, 0.15);
            transform: translateX(4px);
        }
        .rank-item .rank-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            background: rgba(212, 168, 83, 0.1);
            color: var(--accent);
            flex-shrink: 0;
            border: 1px solid rgba(212, 168, 83, 0.2);
        }
        .rank-item:nth-child(1) .rank-number {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            box-shadow: 0 0 20px var(--accent-glow);
        }
        .rank-item:nth-child(2) .rank-number {
            background: rgba(212, 168, 83, 0.6);
            color: var(--primary);
            border-color: rgba(212, 168, 83, 0.4);
        }
        .rank-item:nth-child(3) .rank-number {
            background: rgba(212, 168, 83, 0.3);
            color: var(--accent);
            border-color: rgba(212, 168, 83, 0.2);
        }
        .rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-item .rank-info h4 {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-item .rank-info p {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .rank-item .rank-stats {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .rank-item .rank-stats i {
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .rank-list {
                grid-template-columns: 1fr;
            }
            .rank-item {
                padding: 12px 16px;
            }
        }

        /* ===== 专题卡片 ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .topic-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            min-height: 220px;
            display: flex;
            align-items: flex-end;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(212, 168, 83, 0.2);
        }
        .topic-card .topic-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .topic-card .topic-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .topic-card:hover .topic-bg img {
            transform: scale(1.06);
        }
        .topic-card .topic-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(10, 15, 26, 0.92) 0%, rgba(10, 15, 26, 0.3) 60%, transparent 100%);
            z-index: 1;
        }
        .topic-card .topic-content {
            position: relative;
            z-index: 2;
            padding: 24px;
            width: 100%;
        }
        .topic-card .topic-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .topic-card .topic-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 12px;
            max-width: 80%;
        }
        .topic-card .topic-content .topic-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(212, 168, 83, 0.15);
            color: var(--accent);
            border: 1px solid rgba(212, 168, 83, 0.2);
        }
        @media (max-width: 1024px) {
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .topic-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .topic-card {
                min-height: 180px;
            }
            .topic-card .topic-content {
                padding: 18px;
            }
            .topic-card .topic-content h3 {
                font-size: 1.05rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(212, 168, 83, 0.15);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-primary);
            cursor: pointer;
            transition: background var(--transition);
            gap: 16px;
        }
        .faq-item .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-item .faq-question i {
            color: var(--accent);
            font-size: 14px;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        @media (max-width: 768px) {
            .faq-item .faq-question {
                padding: 14px 18px;
                font-size: 0.95rem;
            }
            .faq-item .faq-answer {
                padding: 0 18px;
                font-size: 0.9rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(135deg, #0f1724 0%, #1a2744 50%, #0f1724 100%);
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: clamp(1.6rem, 4vw, 2.4rem);
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .cta-section h2 span {
            color: var(--accent);
        }
        .cta-section p {
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--accent), #b8922f);
            color: var(--primary);
            border: none;
            box-shadow: 0 0 40px var(--accent-glow);
            transition: all var(--transition);
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 48px var(--accent-glow);
            background: linear-gradient(135deg, var(--accent-hover), #c89e3e);
            color: var(--primary);
        }
        .cta-section .btn-cta i {
            font-size: 16px;
        }
        .cta-section .cta-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .cta-section .cta-stats .stat-item {
            text-align: center;
        }
        .cta-section .cta-stats .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .cta-section .cta-stats .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section .cta-stats {
                gap: 24px;
            }
            .cta-section .cta-stats .stat-number {
                font-size: 1.6rem;
            }
            .cta-section .btn-cta {
                padding: 12px 28px;
                font-size: 1rem;
            }
        }
        @media (max-width: 420px) {
            .cta-section {
                padding: 40px 0;
            }
            .cta-section .cta-stats {
                gap: 16px;
                flex-direction: column;
                align-items: center;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #070b14;
            border-top: 1px solid var(--border-light);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-light);
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 360px;
            margin-bottom: 20px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-secondary);
            font-size: 18px;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 0 24px var(--accent-glow);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: all var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom-links a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-bottom-links a:hover {
            color: var(--accent);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }
        @media (max-width: 640px) {
            .site-footer {
                padding: 40px 0 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                gap: 12px;
                flex-wrap: wrap;
                justify-content: center;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 100px 0 0;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb span {
            color: var(--text-secondary);
        }
        .breadcrumb i {
            font-size: 10px;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .breadcrumb {
                padding: 80px 0 0;
                font-size: 13px;
            }
        }

        /* ===== 加载更多 ===== */
        .load-more {
            text-align: center;
            margin-top: 40px;
        }
        .load-more .btn-load {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 500;
            color: var(--accent);
            border: 1px solid rgba(212, 168, 83, 0.3);
            background: transparent;
            transition: all var(--transition);
        }
        .load-more .btn-load:hover {
            background: rgba(212, 168, 83, 0.08);
            border-color: var(--accent);
            box-shadow: 0 0 24px var(--accent-glow);
            transform: translateY(-2px);
        }
        .load-more .btn-load i {
            font-size: 14px;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 520px) {
            .guide-tabs a {
                padding: 6px 16px;
                font-size: 13px;
            }
            .rank-item .rank-info h4 {
                font-size: 0.9rem;
            }
            .rank-item .rank-stats {
                font-size: 12px;
            }
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary-mid);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent);
        }