:root {
            --primary: #dc2626;
            --accent: #fb923c;
            --bg: #141013;
            --text: #fef2f2;
            --card-bg: #1e181e;
            --border-color: #3a2a32;
            --muted: #b3a1a6;
        }

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

        body {
            background-color: var(--bg);
            color: var(--text);
            font-family: 'Inter', sans-serif;
            font-weight: 400;
            line-height: 1.6;
            letter-spacing: 0.2px;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 800;
            font-family: 'Inter', sans-serif;
            color: var(--text);
        }

        .display-hero {
            font-size: 3.8rem;
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1.1;
            color: var(--text);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 0.4rem;
            margin-bottom: 1.5rem;
            display: inline-block;
        }

        .section-title i {
            color: var(--primary);
            margin-right: 0.4rem;
        }

        .navbar-custom {
            background-color: rgba(20, 16, 19, 0.95);
            border-bottom: 1px solid var(--border-color);
            backdrop-filter: blur(8px);
        }

        .navbar-brand {
            font-weight: 900;
            font-size: 1.6rem;
            color: var(--text) !important;
            letter-spacing: 0px;
            display: flex;
            align-items: center;
        }

        .navbar-brand i {
            color: var(--primary);
            margin-right: 8px;
            font-size: 1.8rem;
        }

        .nav-link {
            color: var(--muted) !important;
            font-weight: 500;
            margin-right: 1rem;
            transition: color 0.2s;
        }

        .nav-link:hover {
            color: var(--text) !important;
        }

        .btn-outline-accent {
            border: 1px solid var(--primary);
            color: var(--text);
            background: transparent;
            padding: 0.4rem 1.2rem;
            border-radius: 0px;
            font-weight: 600;
            transition: 0.2s;
        }

        .btn-outline-accent:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: white;
        }

        .hero-stats {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            margin-top: 1.8rem;
        }

        .stat-item {
            border-left: 3px solid var(--primary);
            padding-left: 1rem;
        }

        .stat-item .number {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--text);
        }

        .stat-item .label {
            font-size: 0.9rem;
            color: var(--muted);
            text-transform: uppercase;
        }

        .card-movie {
            background-color: transparent;
            border: 1px solid var(--border-color);
            border-radius: 0px;
            overflow: hidden;
            transition: transform 0.2s ease, border-color 0.2s;
            cursor: pointer;
            position: relative;
            box-shadow: none !important;
        }

        .card-movie:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
        }

        .card-movie .poster-wrapper {
            position: relative;
            overflow: hidden;
            aspect-ratio: 2/3;
            background-color: #1a1319;
        }

        .card-movie .poster-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .card-movie:hover .poster-wrapper img {
            transform: scale(1.08);
        }

        .card-movie .badge-ep {
            position: absolute;
            top: 8px;
            left: 8px;
            background: var(--primary);
            color: white;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 8px;
            z-index: 2;
            letter-spacing: 0.5px;
        }

        .card-movie .rating-badge {
            position: absolute;
            bottom: 8px;
            right: 8px;
            background: rgba(0, 0, 0, 0.7);
            color: #ffc107;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 2px 6px;
            z-index: 2;
        }

        .card-movie .card-body-movie {
            padding: 0.75rem 0.5rem;
            border-top: 1px solid var(--border-color);
        }

        .card-movie .movie-title {
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            color: var(--text);
            margin-bottom: 4px;
        }

        .card-movie .movie-meta {
            font-size: 0.75rem;
            color: var(--muted);
        }

        .movie-scroll-row {
            display: flex;
            gap: 1rem;
            overflow-x: auto;
            padding-bottom: 0.5rem;
            scrollbar-width: thin;
            scrollbar-color: var(--primary) var(--bg);
        }

        .movie-scroll-row .card-movie {
            flex: 0 0 180px;
            min-width: 160px;
        }

        .rank-badge {
            background: var(--primary);
            color: white;
            display: inline-block;
            font-weight: 800;
            padding: 0.2rem 0.8rem;
            margin-right: 0.8rem;
            font-size: 1.1rem;
        }

        .top-rank-list .rank-item {
            display: flex;
            align-items: center;
            padding: 0.6rem 0;
            border-bottom: 1px solid var(--border-color);
            gap: 1rem;
        }

        .top-rank-list .rank-item .rank-num {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            width: 40px;
        }

        .top-rank-list .rank-item .rank-title {
            flex: 1;
            font-weight: 600;
        }

        .category-chip {
            background: transparent;
            border: 1px solid var(--border-color);
            padding: 0.5rem 1.2rem;
            color: var(--muted);
            transition: all 0.2s;
            text-decoration: none;
            display: inline-block;
        }

        .category-chip:hover {
            border-color: var(--primary);
            color: var(--text);
            background: rgba(220, 38, 38, 0.1);
        }

        .footer-block {
            border-top: 1px solid var(--border-color);
            padding: 2rem 0;
            margin-top: 3rem;
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            opacity: 0;
            visibility: hidden;
            transition: 0.3s;
            z-index: 1050;
        }

        .drawer-panel {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #1d161b;
            border-top: 2px solid var(--primary);
            padding: 1.5rem 1.8rem;
            transform: translateY(100%);
            transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
            z-index: 1060;
            max-height: 70vh;
            overflow-y: auto;
            box-shadow: 0 -10px 40px rgba(0,0,0,0.4);
        }

        .drawer-panel.show {
            transform: translateY(0);
        }

        .drawer-overlay.show {
            opacity: 1;
            visibility: visible;
        }

        .btn-close-drawer {
            background: none;
            border: none;
            color: var(--text);
            font-size: 2rem;
            line-height: 1;
            position: absolute;
            top: 0.5rem;
            right: 1rem;
        }

        .back-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: var(--primary);
            color: white;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            opacity: 0;
            visibility: hidden;
            transition: 0.3s;
            border: 1px solid var(--accent);
            z-index: 100;
            cursor: pointer;
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .random-reco-btn {
            background: transparent;
            border: 1px solid var(--primary);
            padding: 0.8rem 1.8rem;
            font-weight: 600;
            color: var(--text);
            transition: 0.2s;
        }

        .random-reco-btn:hover {
            background: var(--primary);
            color: white;
        }

        .genre-panel {
            border-left: 4px solid var(--primary);
            padding: 1rem 1.2rem;
            background: rgba(220, 38, 38, 0.03);
        }

        ::selection {
            background: var(--primary);
            color: white;
        }

        .btn:focus {
            box-shadow: none;
        }

/* --- 子页面追加 --- */
/* 本页专属样式 —— 关于页的排版与装饰 */
        .about-hero {
            background: linear-gradient(135deg, rgba(20,16,19,.9) 0%, rgba(30,24,30,.85) 50%, rgba(220,38,38,.3) 100%);
            border-bottom: 1px solid var(--border-color);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
.about-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(220,38,38,.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
.about-hero .display-hero {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
            position: relative;
            z-index: 1;
        }
.about-hero .lead {
            font-size: 1.1rem;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }
.about-section {
            padding: 70px 0;
            border-bottom: 1px solid var(--border-color);
        }
.about-section:last-of-type {
            border-bottom: none;
        }
.about-section .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            margin-bottom: 1.2rem;
            position: relative;
            padding-bottom: 12px;
        }
.about-section .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
.about-section p {
            color: var(--muted);
            line-height: 1.8;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
.about-section strong {
            color: var(--text);
        }
.about-highlight {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 1.8rem 1.5rem;
            height: 100%;
            transition: border-color .3s ease, transform .3s ease;
        }
.about-highlight:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
        }
.about-highlight i {
            font-size: 1.6rem;
            color: var(--accent);
            margin-bottom: 0.8rem;
            display: inline-block;
        }
.about-highlight h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.5rem;
        }
.about-highlight p {
            font-size: 0.9rem;
            margin-bottom: 0;
        }
.about-timeline {
            position: relative;
            padding-left: 30px;
            margin-top: 20px;
        }
.about-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
        }
.timeline-item {
            position: relative;
            margin-bottom: 24px;
        }
.timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid var(--bg);
            box-shadow: 0 0 0 2px var(--primary);
        }
.timeline-item .year {
            font-weight: 800;
            color: var(--accent);
            font-size: 0.9rem;
            letter-spacing: 0.05em;
            margin-bottom: 4px;
        }
.timeline-item p {
            margin-bottom: 0;
            font-size: 0.95rem;
        }
.value-list li {
            padding: 8px 0;
            color: var(--muted);
            border-bottom: 1px dashed var(--border-color);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
.value-list li:last-child {
            border-bottom: none;
        }
.value-list li i {
            color: var(--accent);
            margin-top: 4px;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
.value-list li strong {
            color: var(--text);
        }
.about-cta {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            text-align: center;
            margin-top: 30px;
        }
.about-cta h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
.about-cta p {
            max-width: 600px;
            margin: 0 auto 24px;
            color: var(--muted);
        }
.about-hero { padding: 50px 0 40px; }
.about-hero .display-hero { font-size: 2rem; }
.about-section { padding: 50px 0; }
.about-cta { padding: 30px 20px; }

/* --- 子页面追加 --- */
.disclaimer-hero {
            padding: 4rem 0 2.5rem;
        }
.disclaimer-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 1rem;
        }
.disclaimer-hero h1 span {
            color: var(--primary);
        }
.disclaimer-hero p {
            color: var(--muted);
            max-width: 700px;
        }
.disclaimer-section {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 2rem;
            margin-bottom: 1.5rem;
        }
.disclaimer-section h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 1.25rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--primary);
            display: inline-block;
        }
.disclaimer-section h2 i {
            color: var(--accent);
            margin-right: 0.5rem;
        }
.disclaimer-section p {
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 1rem;
        }
.disclaimer-section ul {
            padding-left: 1.25rem;
            color: var(--muted);
            line-height: 1.8;
        }
.disclaimer-section ul li {
            margin-bottom: 0.5rem;
        }
.disclaimer-section ul li strong {
            color: var(--text);
        }
.disclaimer-highlight {
            background: rgba(220, 38, 38, 0.08);
            border-left: 4px solid var(--primary);
            padding: 1rem 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
        }
.disclaimer-highlight p {
            margin-bottom: 0;
            color: var(--text);
        }
.back-to-top:hover {
            background: var(--accent);
            color: #141013;
            transform: translateY(-3px);
        }
.disclaimer-hero h1 {
                font-size: 1.8rem;
            }
.disclaimer-section {
                padding: 1.5rem;
            }

/* --- 子页面追加 --- */
/* 确保导航高亮当前页 */
        .nav-link.active {
            color: var(--accent) !important;
            font-weight: 600;
        }
/* 指南页面特有组件风格（与首页深色一致） */
        .guide-hero {
            padding: 4rem 0 2rem;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 2.5rem;
        }
.guide-section {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 1.2rem;
            padding: 1.8rem 1.8rem;
            margin-bottom: 2rem;
            transition: transform .2s ease, border-color .2s;
        }
.guide-section:hover {
            border-color: var(--accent);
            transform: translateY(-2px);
        }
.guide-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text);
            border-left: 4px solid var(--accent);
            padding-left: 1rem;
            margin-bottom: 1.2rem;
        }
.guide-section h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--accent);
            margin-top: 1.5rem;
            margin-bottom: .5rem;
        }
.guide-section p, .guide-section li {
            color: var(--text);
            opacity: 0.92;
            line-height: 1.7;
        }
.guide-list {
            list-style: none;
            padding-left: 0;
        }
.guide-list li {
            padding: .5rem 0;
            border-bottom: 1px dashed var(--border-color);
            display: flex;
            align-items: baseline;
            gap: .6rem;
        }
.guide-list li:last-child { border-bottom: none; }
.guide-list i {
            color: var(--accent);
            width: 1.2rem;
            text-align: center;
            font-size: .9rem;
        }
.step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            width: 1.8rem;
            height: 1.8rem;
            border-radius: 50%;
            font-size: .85rem;
            font-weight: 700;
            margin-right: .5rem;
            flex-shrink: 0;
        }
.tip-box {
            background: rgba(220, 38, 38, 0.08);
            border-left: 4px solid var(--primary);
            padding: 1rem 1.2rem;
            border-radius: .5rem;
            margin: 1.2rem 0;
        }
.tip-box i {
            color: var(--accent);
            margin-right: .5rem;
        }
.device-icon {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: .5rem;
        }
.faq-item {
            margin-bottom: 1.5rem;
        }
.faq-item h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: .6rem;
        }
.faq-item h4 i {
            color: var(--accent);
        }
/* 覆盖 bootstrap 默认白底卡片等（如果误用） */
        .card, .card-body {
            background: var(--card-bg);
            color: var(--text);
            border-color: var(--border-color);
        }