:root {
            --primary: #2563eb;
            --accent: #06b6d4;
            --bg: #f4f8ff;
            --text: #0f1e3d;
            --card-border: #d0ddeb;
            --card-bg: #ffffff;
        }
        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: 'Inter', sans-serif;
            line-height: 1.7;
            letter-spacing: 0.01em;
        }
        h1,h2,h3,h4,h5 {
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
        }
        .navbar {
            background-color: var(--bg);
            border-bottom: 2px solid var(--primary);
            font-weight: 600;
        }
        .navbar-brand {
            font-weight: 900;
            font-size: 1.8rem;
            color: var(--primary) !important;
        }
        .navbar-brand i {
            color: var(--accent);
            margin-right: 6px;
        }
        .nav-link {
            color: var(--text) !important;
            font-weight: 500;
            margin-right: 1.2rem;
        }
        .nav-link:hover {
            color: var(--primary) !important;
        }
        .hero-stats {
            background: var(--bg);
            border-bottom: 2px solid var(--primary);
            padding: 3rem 0 2rem;
            text-align: center;
        }
        .hero-stats .stat-num {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--primary);
            font-family: 'Courier New', monospace;
            line-height: 1;
        }
        .hero-stats .stat-label {
            font-size: 1rem;
            color: var(--text);
            opacity: 0.7;
            text-transform: uppercase;
        }
        .banner-placeholder {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            height: 300px;
            border-radius: 0;
            margin: 2rem 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 800;
            font-size: 2rem;
            border: 2px solid var(--text);
        }
        .section-title {
            border-left: 8px solid var(--primary);
            padding-left: 1rem;
            margin: 2.5rem 0 1.8rem;
            font-weight: 800;
        }
        .section-title i {
            color: var(--accent);
        }
        .category-pills .btn-outline-primary {
            border-radius: 50px;
            border-width: 2px;
            font-weight: 600;
            padding: 0.4rem 1.2rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
            border-color: var(--primary);
            color: var(--primary);
        }
        .category-pills .btn-outline-primary:hover {
            background-color: var(--primary);
            color: white;
        }
        .movie-card {
            background: var(--card-bg);
            border: 2px solid var(--card-border);
            border-radius: 0;
            transition: all 0.2s;
            cursor: pointer;
            margin-bottom: 1.8rem;
            opacity: 0;
            animation: fadeUp 0.5s forwards;
        }
        .movie-card:nth-child(2) { animation-delay: 0.1s; }
        .movie-card:nth-child(3) { animation-delay: 0.2s; }
        .movie-card:nth-child(4) { animation-delay: 0.3s; }
        .movie-card:nth-child(5) { animation-delay: 0.4s; }
        .movie-card:nth-child(6) { animation-delay: 0.5s; }
        .movie-card:nth-child(7) { animation-delay: 0.6s; }
        .movie-card:nth-child(8) { animation-delay: 0.7s; }
        .movie-card:nth-child(9) { animation-delay: 0.8s; }
        .movie-card:nth-child(10) { animation-delay: 0.9s; }
        .movie-card:nth-child(11) { animation-delay: 1s; }
        .movie-card:nth-child(12) { animation-delay: 1.1s; }
        @keyframes fadeUp {
            0% { opacity: 0; transform: translateY(25px); }
            100% { opacity: 1; transform: translateY(0); }
        }
        .movie-card img {
            width: 100%;
            aspect-ratio: 2/3;
            object-fit: cover;
            background: #e0e8f5;
            border-bottom: 2px solid var(--card-border);
        }
        .card-badge {
            position: absolute;
            top: 8px;
            left: 8px;
            background: var(--primary);
            color: white;
            font-size: 0.75rem;
            padding: 0.2rem 0.6rem;
            font-weight: 600;
            border-radius: 0;
            z-index: 2;
        }
        .rating-badge {
            position: absolute;
            top: 8px;
            right: 8px;
            background: rgba(15,30,61,0.85);
            color: #fff;
            font-size: 0.75rem;
            font-family: monospace;
            padding: 0.1rem 0.5rem;
            border-radius: 0;
        }
        .card-info {
            padding: 0.8rem 0.9rem;
        }
        .card-info .movie-title {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 0.2rem;
        }
        .card-info .movie-meta {
            font-size: 0.8rem;
            color: #4b5c7a;
            font-family: monospace;
        }
        .ranking-list {
            list-style: none;
            padding-left: 0;
        }
        .ranking-list li {
            border-bottom: 1px dashed var(--card-border);
            padding: 0.7rem 0.2rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .ranking-list .rank-num {
            font-weight: 900;
            font-size: 1.3rem;
            color: var(--primary);
            width: 2.2rem;
            font-family: monospace;
        }
        .ranking-list .rank-title {
            flex: 1;
        }
        .ranking-list .rank-score {
            font-family: monospace;
            color: var(--accent);
            font-weight: 600;
        }
        .steps-row {
            display: flex;
            gap: 2rem;
            margin: 2.5rem 0;
        }
        .step-item {
            flex: 1;
            border: 2px solid var(--card-border);
            padding: 1.5rem 1rem;
            background: white;
            text-align: center;
        }
        .step-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary);
        }
        .footer-links {
            background: var(--bg);
            border-top: 2px solid var(--primary);
            padding: 2.5rem 0;
            margin-top: 4rem;
        }
        .footer-links h5 {
            font-weight: 700;
        }
        .footer-links a {
            color: var(--text);
            text-decoration: none;
            margin-right: 1.2rem;
            opacity: 0.7;
        }
        .footer-links a:hover {
            opacity: 1;
            color: var(--primary);
        }
        .footer-copyright {
            border-top: 1px solid var(--card-border);
            padding: 1.2rem 0;
            background: var(--bg);
            text-align: center;
        }
        /* 侧边详情栏 */
        .side-panel {
            position: fixed;
            top: 0;
            right: -480px;
            width: 420px;
            max-width: 100%;
            height: 100%;
            background: white;
            z-index: 9999;
            box-shadow: -5px 0 20px rgba(0,0,0,0.1);
            transition: right 0.4s cubic-bezier(0.25,0.46,0.45,0.94);
            border-left: 3px solid var(--primary);
            overflow-y: auto;
            padding: 2rem 1.5rem;
        }
        .side-panel.show {
            right: 0;
        }
        .side-panel .close-btn {
            position: absolute;
            top: 15px;
            right: 20px;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text);
            background: none;
            border: none;
            line-height: 1;
        }
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15,30,61,0.4);
            z-index: 9998;
            display: none;
        }
        .overlay.active {
            display: block;
        }
        .btn-flow {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.7rem 2rem;
            font-weight: 600;
            position: relative;
            overflow: hidden;
            transition: background 0.3s;
        }
        .btn-flow::after {
            content: '';
            position: absolute;
            top: 0;
            left: -80%;
            width: 50%;
            height: 100%;
            background: linear-gradient(100deg, transparent, rgba(255,255,255,0.5), transparent);
            transform: skewX(-20deg);
            animation: shine 3s infinite;
        }
        @keyframes shine {
            0% { left: -80%; }
            60% { left: 120%; }
            100% { left: 120%; }
        }
        .btn-flow:hover {
            background: var(--accent);
            color: white;
        }

/* --- 子页面追加 --- */
/* 关于页专属补充样式 */
        .about-hero {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(6, 182, 212, 0.06) 100%);
            border-bottom: 1px solid var(--card-border);
            padding: 60px 0 40px;
        }
.about-hero h1 {
            font-weight: 800;
            color: var(--text);
            font-size: 2.2rem;
            margin-bottom: 16px;
        }
.about-hero .lead {
            color: #4a5a7a;
            font-size: 1.1rem;
            max-width: 720px;
            line-height: 1.8;
        }
.about-section {
            padding: 50px 0;
            border-bottom: 1px solid var(--card-border);
        }
.about-section h2 {
            font-weight: 700;
            color: var(--primary);
            font-size: 1.6rem;
            margin-bottom: 20px;
            position: relative;
            padding-left: 16px;
        }
.about-section h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--primary);
            border-radius: 2px;
        }
.about-section p {
            color: var(--text);
            line-height: 1.9;
            font-size: 1rem;
            margin-bottom: 16px;
        }
.about-card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 24px;
        }
.about-feature-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 12px;
            padding: 24px;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
.about-feature-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.08);
        }
.about-feature-card .feature-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
.about-feature-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }
.about-feature-card p {
            font-size: 0.95rem;
            color: #4a5a7a;
            line-height: 1.7;
            margin-bottom: 0;
        }
.stats-banner {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 12px;
            padding: 32px;
            margin: 24px 0;
        }
.stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            text-align: center;
        }
.stats-grid .stat-item {
            padding: 16px;
        }
.stats-grid .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
        }
.stats-grid .stat-label {
            font-size: 0.9rem;
            color: #4a5a7a;
            margin-top: 4px;
        }
.about-list {
            padding-left: 20px;
            margin-bottom: 20px;
        }
.about-list li {
            margin-bottom: 8px;
            line-height: 1.7;
            color: var(--text);
        }
.about-list li strong {
            color: var(--primary);
        }
.about-hero h1 {
                font-size: 1.8rem;
            }
.about-section h2 {
                font-size: 1.3rem;
            }
.stats-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
.about-card-grid {
                grid-template-columns: 1fr;
            }

/* --- 子页面追加 --- */
/* 确保所有卡片背景与站点主题一致，防止Bootstrap默认白底 */
        .disclaimer-card, .disclaimer-card .card-body {
            background: var(--card-bg);
            color: var(--text);
            border: 1px solid var(--card-border);
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.03);
        }
.disclaimer-card .card-header {
            background: transparent;
            border-bottom: 1px solid var(--card-border);
            font-weight: 600;
            color: var(--primary);
        }
.disclaimer-card .card-header i {
            margin-right: 8px;
            color: var(--accent);
        }
/* 链接颜色微调 */
        .disclaimer-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
.disclaimer-content a:hover {
            color: var(--accent);
        }
/* 列表样式 */
        .disclaimer-list {
            padding-left: 1.2rem;
            margin-top: 0.5rem;
        }
.disclaimer-list li {
            margin-bottom: 0.5rem;
            line-height: 1.6;
        }
/* 小标题调整 */
        .section-subtitle {
            color: var(--primary);
            font-weight: 700;
            margin-top: 2rem;
            margin-bottom: 1rem;
            border-left: 4px solid var(--accent);
            padding-left: 12px;
        }
/* 确保导航栏样式与首页一致 */
        .navbar {
            background: var(--card-bg);
            border-bottom: 1px solid var(--card-border);
        }
.nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.card { background:rgba(0,0,0,.03) !important; color:#0f1e3d !important; border-color:rgba(0,0,0,.12) !important; }
.list-group-item { background:rgba(0,0,0,.03) !important; color:#0f1e3d !important; border-color:rgba(0,0,0,.12) !important; }