:root {
            --primary: #2563eb;
            --accent: #06b6d4;
            --bg-light: #f4f8ff;
            --text-dark: #0f1e3d;
            --radius-card: 1rem;
            --radius-btn: 50rem;
            --shadow-sm: 0 4px 12px rgba(15, 30, 61, 0.06);
            --shadow-hover: 0 16px 32px rgba(37, 99, 235, 0.12);
        }

        body {
            background-color: var(--bg-light);
            color: var(--text-dark);
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            letter-spacing: -0.01em;
        }

        /* 胶囊圆角 + 全圆按钮 */
        .btn, .badge, .form-control, .card, .modal-content {
            border-radius: var(--radius-btn) !important;
        }
        .card {
            border-radius: calc(var(--radius-card) + 0.4rem) !important;
            border: none;
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s ease, box-shadow 0.3s ease;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        /* 超大标题 */
        h1, h2, .display-lead {
            font-weight: 800;
            letter-spacing: -0.03em;
        }

        /* 导航栏吸顶 + 透明背景切换 */
        .navbar {
            backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.8);
            transition: background 0.3s, box-shadow 0.3s;
        }
        .navbar-scrolled {
            background: rgba(255, 255, 255, 0.95) !important;
            box-shadow: 0 8px 20px rgba(0,0,0,0.05);
        }

        /* 片卡图片hover效果 */
        .card-img-wrapper {
            overflow: hidden;
            border-radius: calc(var(--radius-card) + 0.4rem) calc(var(--radius-card) + 0.4rem) 0 0;
        }
        .card-img-top {
            transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.3, 1);
            width: 100%;
            aspect-ratio: 2/3;
            object-fit: cover;
        }
        .card:hover .card-img-top {
            transform: scale(1.05);
        }

        /* 角标清晰度 */
        .quality-badge {
            position: absolute;
            top: 0.7rem;
            right: 0.7rem;
            background: rgba(15, 30, 61, 0.7);
            backdrop-filter: blur(4px);
            color: white;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 2rem;
            z-index: 5;
        }

        /* 底部抽屉弹窗 */
        .drawer-overlay {
            position: fixed;
            top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(15,30,61,0.4);
            backdrop-filter: blur(3px);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.25s ease, visibility 0.25s;
            z-index: 1050;
        }
        .drawer-panel {
            position: fixed;
            bottom: 0; left: 0; width: 100%;
            max-height: 80vh;
            background: white;
            border-radius: 1.8rem 1.8rem 0 0;
            padding: 1.8rem 1.5rem 2.5rem;
            transform: translateY(100%);
            transition: transform 0.35s cubic-bezier(0.2, 0.9, 0.3, 1.2);
            z-index: 1060;
            box-shadow: 0 -8px 30px rgba(0,0,0,0.2);
            overflow-y: auto;
        }
        .drawer-panel.show, .drawer-overlay.show {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }

        /* 渐显占位 + 懒加载 */
        img[data-src] {
            background: linear-gradient(120deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
            background-size: 200% 100%;
            animation: shimmer 1.2s infinite;
        }
        @keyframes shimmer {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }
        img.loaded {
            background: transparent;
            animation: none;
        }

        /* 分类矩阵排版 */
        .genre-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 1.2rem;
        }

        /* 区块间距 */
        .section-gap {
            padding: 4.5rem 0;
        }

        /* 今天看什么 */
        .random-pick-btn {
            background: var(--primary);
            border: none;
            padding: 0.8rem 2.2rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: background 0.2s;
        }
        .random-pick-btn:hover {
            background: #1d4ed8;
        }

        /* 页脚 */
        footer {
            background: white;
        }

        /* 小细节 */
        .stat-number {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }

        /* 卡片标题 */
        .card-title {
            font-weight: 700;
        }

        .badge-genre {
            background: var(--bg-light);
            color: var(--text-dark);
            font-size: 0.75rem;
            padding: 0.3rem 0.9rem;
            border-radius: 2rem;
        }

/* --- 子页面追加 --- */
/* 关于页独有装饰变量 */
        .about-hero {
            background: linear-gradient(135deg, rgba(37,99,235,0.08) 0%, rgba(6,182,212,0.05) 100%);
            border-radius: var(--radius-card);
            padding: 3rem 2rem;
            margin-bottom: 2.5rem;
        }
.about-hero h1 {
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
.about-hero .lead {
            color: #2a3b5f;
            font-weight: 400;
            max-width: 780px;
        }
.feature-icon {
            width: 48px;
            height: 48px;
            background: rgba(37,99,235,0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.4rem;
            margin-bottom: 1rem;
        }
.text-accent {
            color: var(--accent);
        }
.stat-badge {
            background: rgba(6,182,212,0.1);
            color: #0e7490;
            font-weight: 600;
            padding: 0.25rem 1rem;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
        }
.card.about-card {
            background: white;
            border: 1px solid rgba(15,30,61,0.05);
            box-shadow: var(--shadow-sm);
            transition: var(--shadow-hover);
            border-radius: var(--radius-card);
            padding: 1.8rem 1.5rem;
            height: 100%;
        }
.card.about-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
/* 小标题带品牌名，刻意不用空泛标题 */
        .section-title-brand {
            font-weight: 700;
            color: var(--text-dark);
            border-left: 5px solid var(--primary);
            padding-left: 1rem;
            margin: 2.5rem 0 1.5rem;
            letter-spacing: -0.01em;
        }
.section-title-brand i {
            color: var(--accent);
            margin-right: 0.5rem;
        }
.list-unstyled-custom li {
            padding: 0.4rem 0;
            border-bottom: 1px dashed rgba(15,30,61,0.1);
        }
.list-unstyled-custom li:last-child {
            border-bottom: none;
        }
.quote-block {
            background: rgba(37,99,235,0.03);
            border-left: 4px solid var(--accent);
            padding: 1.5rem;
            border-radius: 0.5rem;
            font-style: italic;
            color: #1e293b;
            margin: 2rem 0;
        }
/* 防止Bootstrap 组件自带白底黑字 */
        .card, .card-body {
            background: white;
            color: var(--text-dark);
        }
.navbar .nav-link {
            color: var(--text-dark);
        }
.navbar .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

/* --- 子页面追加 --- */
/* 本页专属补充样式 */
        .disclaimer-hero {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(6, 182, 212, 0.05));
            border-radius: var(--radius-card);
            padding: 3rem 2rem;
            margin-bottom: 2rem;
        }
.disclaimer-section {
            margin-bottom: 2.5rem;
        }
.disclaimer-section h2 {
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 1rem;
            font-size: 1.5rem;
            border-left: 4px solid var(--primary);
            padding-left: 1rem;
        }
.disclaimer-section h3 {
            color: var(--text-dark);
            font-weight: 600;
            margin-top: 1.5rem;
            margin-bottom: 0.75rem;
            font-size: 1.2rem;
        }
.disclaimer-section p, .disclaimer-section li {
            color: #4a5a7a;
            line-height: 1.8;
            font-size: 0.95rem;
        }
.disclaimer-section ul {
            padding-left: 1.5rem;
        }
.disclaimer-section li {
            margin-bottom: 0.5rem;
        }
.disclaimer-card {
            background: rgba(37, 99, 235, 0.04);
            border: 1px solid rgba(37, 99, 235, 0.12);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
.disclaimer-card h4 {
            color: var(--primary);
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
.disclaimer-card h4 i {
            color: var(--accent);
        }
.disclaimer-card p {
            color: #4a5a7a;
            font-size: 0.92rem;
            line-height: 1.7;
        }
.notice-box {
            background: rgba(6, 182, 212, 0.06);
            border: 1px solid rgba(6, 182, 212, 0.15);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            margin: 2rem 0;
        }
.notice-box h3 {
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 1rem;
            font-size: 1.15rem;
        }
.notice-box p {
            color: #4a5a7a;
            line-height: 1.7;
            font-size: 0.92rem;
        }
.last-updated {
            color: #8a9ab5;
            font-size: 0.85rem;
            font-style: italic;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(15, 30, 61, 0.08);
        }
.nav-link.active-page {
            color: var(--primary) !important;
            font-weight: 600;
        }

/* --- 子页面追加 --- */
/* 排行榜数字徽章风格 — 基于站点变量，无白色背景 */
        .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 2.2rem;
            height: 2.2rem;
            padding: 0 .4rem;
            border-radius: 0.65rem;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-sm);
        }
.rank-list-item {
            background: var(--bg-light);
            border-radius: var(--radius-card);
            padding: 0.75rem 1rem;
            transition: box-shadow .2s, transform .15s;
            border: 1px solid rgba(37, 99, 235, 0.08);
        }
.rank-list-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
.rank-tag {
            background: rgba(6, 182, 212, 0.1);
            color: var(--accent);
            padding: .2rem .7rem;
            border-radius: var(--radius-btn);
            font-size: .8rem;
            font-weight: 600;
        }
.genre-chip {
            background: rgba(37, 99, 235, 0.08);
            padding: .3rem .9rem;
            border-radius: var(--radius-btn);
            color: var(--primary);
            font-weight: 500;
            font-size: .85rem;
        }
/* 表单与bootstrap组件覆盖 —— 确保无白底黑字 */
        .form-select, .form-control {
            background: rgba(255,255,255,0.7);
            border: 1px solid rgba(37,99,235,0.15);
            color: var(--text-dark);
            border-radius: 2rem;
            padding: 0.45rem 1rem;
        }
.form-select:focus, .form-control:focus {
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 0 0.15rem rgba(37,99,235,0.12);
        }
.navbar-scrolled .nav-link.active {
            color: var(--primary) !important;
        }
/* 排行卡片内文字强制使用站点变量，防止bootstrap默认 */
        .card, .card-body {
            background: var(--bg-light);
            color: var(--text-dark);
            border: 1px solid rgba(37,99,235,0.1);
            border-radius: var(--radius-card);
        }
.list-group-item {
            background: transparent;
            border-color: rgba(37,99,235,0.1);
        }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.card-text { color:#0f1e3d !important; }
.form-label { color:#0f1e3d !important; }
.accordion-item { background:rgba(0,0,0,.03) !important; color:#0f1e3d !important; border-color:rgba(0,0,0,.12) !important; }
.accordion-button { background:rgba(0,0,0,.03) !important; color:#0f1e3d !important; }
.accordion-body { background:transparent !important; color:#0f1e3d !important; }
.accordion-header { background:transparent !important; }