:root {
            --primary: #10b981;
            --accent: #fbbf24;
            --bg-deep: #0a1410;
            --text-light: #ecfdf5;
            --card-bg: #13211a;
            --shadow-soft: 0 10px 30px -8px rgba(0,0,0,0.5);
            --radius-lg: 24px;
            --radius-md: 16px;
            --font-serif: 'Noto Serif SC', serif;
            --font-sans: 'Noto Sans SC', 'Inter', sans-serif;
        }
        body {
            background-color: var(--bg-deep);
            color: var(--text-light);
            font-family: var(--font-sans);
            letter-spacing: 0.2px;
        }
        h1, h2, h3, h4, .font-serif {
            font-family: var(--font-serif);
            font-weight: 700;
        }
        .navbar, .navbar-brand {
            background-color: rgba(10, 20, 16, 0.85) !important;
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(16, 185, 129, 0.2);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary) !important;
            letter-spacing: 1px;
        }
        .nav-link {
            color: var(--text-light) !important;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 40px;
            transition: all 0.2s;
        }
        .nav-link:hover {
            color: var(--accent) !important;
            background-color: rgba(251, 191, 36, 0.1);
        }
        .btn-primary-custom {
            background-color: var(--primary);
            border: none;
            color: #052e22;
            font-weight: 600;
        }
        .badge-quality {
            background: rgba(0,0,0,0.7);
            color: var(--accent);
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: 30px;
            backdrop-filter: blur(4px);
        }
        .movie-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background-color: var(--card-bg);
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
            transition: transform 0.25s ease, box-shadow 0.3s ease;
            cursor: pointer;
            border: 1px solid rgba(255,255,255,0.05);
        }
        .movie-card:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 18px 40px -8px rgba(16, 185, 129, 0.25), 0 8px 20px rgba(0,0,0,0.6);
        }
        .movie-card img {
            height: 220px;
            object-fit: cover;
            background: #1e2d26;
            display: block;
            width: 100%;
            transition: opacity 0.4s;
        }
        .card-info {
            padding: 12px 12px 15px;
        }
        .movie-title {
            font-weight: 600;
            font-size: 1rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .movie-meta {
            font-size: 0.8rem;
            color: #9db9ae;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            border-left: 6px solid var(--primary);
            padding-left: 15px;
            margin-bottom: 25px;
            font-family: var(--font-serif);
        }
        .section-title i {
            color: var(--accent);
            margin-right: 10px;
        }
        .hero-section {
            background: linear-gradient(0deg, rgba(10,20,16,0.4), rgba(10,20,16,0.8)), url('{随机图片}') center/cover no-repeat;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            padding: 5rem 0 6rem;
            margin-bottom: 2.5rem;
            box-shadow: var(--shadow-soft);
        }
        .hero-title {
            font-size: 4rem;
            font-weight: 900;
            color: #fff;
            text-shadow: 0 4px 20px rgba(0,0,0,0.5);
        }
        .flip-card {
            perspective: 1000px;
            height: 100%;
            min-height: 320px;
        }
        .flip-card-inner {
            transition: transform 0.5s;
            transform-style: preserve-3d;
            position: relative;
            width: 100%;
            height: 100%;
        }
        .flip-card:hover .flip-card-inner,
        .flip-card.flipped .flip-card-inner {
            transform: rotateY(180deg);
        }
        .flip-card-front, .flip-card-back {
            backface-visibility: hidden;
            border-radius: var(--radius-lg);
            position: absolute;
            top: 0; left: 0;
            width: 100%; height: 100%;
            box-shadow: var(--shadow-soft);
            overflow: hidden;
        }
        .flip-card-back {
            transform: rotateY(180deg);
            background: var(--card-bg);
            padding: 1rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            border: 1px solid rgba(16,185,129,0.4);
        }
        .timeline {
            position: relative;
            padding-left: 30px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 10px;
            bottom: 10px;
            width: 2px;
            background: linear-gradient(var(--primary), var(--accent));
        }
        .timeline-item {
            position: relative;
            margin-bottom: 1.8rem;
            font-size: 0.95rem;
        }
        .timeline-item::before {
            content: '◆';
            position: absolute;
            left: -25px;
            color: var(--accent);
            font-size: 1rem;
        }
        .back-to-top {
            position: fixed;
            bottom: 25px;
            right: 25px;
            background: var(--primary);
            color: #0a1410;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            opacity: 0;
            visibility: hidden;
            transition: 0.3s;
            z-index: 999;
            border: none;
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        .tag-chip {
            background: #1b2a23;
            color: var(--text-light);
            border-radius: 40px;
            padding: 6px 16px;
            font-weight: 500;
            transition: 0.2s;
            border: 1px solid #2d4a3c;
        }
        .tag-chip:hover {
            background: var(--primary);
            color: #04211a;
        }
        footer {
            background: #050c09;
            border-top: 1px solid #1e3a2d;
            color: #9db9ae;
        }
        footer a {
            color: #b7d6c9;
            text-decoration: none;
        }
        footer a:hover {
            color: var(--accent);
        }
        .friend-links {
            background: #0f1c16;
            border-radius: var(--radius-lg);
            padding: 1.5rem 2rem;
            margin: 2rem 0;
        }
        .lazy-bg {
            background: #1b2a23;
        }
        /* mobile */
        @media (max-width: 768px) {
            .hero-title { font-size: 2.6rem; }
            .section-title { font-size: 1.4rem; }
        }

/* --- 子页面追加 --- */
background: linear-gradient(135deg, rgba(16,185,129,0.15) 0%, rgba(10,20,16,0.9) 70%), url(' {随机图片}
.documentary-hero h1 {
            font-family: var(--font-serif);
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--text-light);
            text-shadow: 0 2px 20px rgba(0,0,0,0.6);
        }
.documentary-hero p {
            color: rgba(236,253,245,0.85);
            font-size: 1.1rem;
            max-width: 700px;
            line-height: 1.8;
        }
.doc-category {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin: 30px 0;
        }
.doc-category .tag-chip {
            padding: 8px 20px;
            border-radius: 50px;
            background: var(--card-bg);
            border: 1px solid rgba(16,185,129,0.3);
            color: var(--text-light);
            cursor: pointer;
            transition: all 0.3s;
            font-size: 0.9rem;
        }
.doc-category .tag-chip:hover,
        .doc-category .tag-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
.doc-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            margin-bottom: 25px;
            border: 1px solid rgba(16,185,129,0.1);
        }
.doc-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-soft);
        }
.doc-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: rgba(16,185,129,0.1);
        }
.doc-card-body {
            padding: 20px;
        }
.doc-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 10px;
            font-family: var(--font-sans);
        }
.doc-card-body p {
            font-size: 0.9rem;
            color: rgba(236,253,245,0.7);
            line-height: 1.7;
            margin-bottom: 15px;
        }
.doc-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(236,253,245,0.5);
        }
.doc-card-meta .badge-quality {
            font-size: 0.75rem;
        }
.doc-featured {
            background: linear-gradient(135deg, rgba(251,191,36,0.1) 0%, rgba(16,185,129,0.1) 100%);
            border: 1px solid rgba(251,191,36,0.2);
        }
.doc-featured .doc-card-img {
            height: 260px;
        }
.section-subtitle {
            color: rgba(236,253,245,0.7);
            font-size: 0.95rem;
            margin-top: 8px;
        }
.doc-feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
.doc-feature-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 25px;
            border-left: 3px solid var(--primary);
            transition: transform 0.3s;
        }
.doc-feature-item:hover {
            transform: translateX(5px);
        }
.doc-feature-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 10px;
        }
.doc-feature-item p {
            font-size: 0.9rem;
            color: rgba(236,253,245,0.7);
            line-height: 1.7;
            margin-bottom: 0;
        }
.doc-quote {
            background: rgba(16,185,129,0.08);
            border-radius: var(--radius-md);
            padding: 30px;
            margin: 40px 0;
            border-left: 4px solid var(--accent);
        }
.doc-quote p {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            color: var(--text-light);
            font-style: italic;
            line-height: 1.8;
            margin: 0;
        }
.documentary-hero {
                padding: 60px 0;
            }
.documentary-hero h1 {
                font-size: 2rem;
            }
.doc-card-img {
                height: 180px;
            }

/* --- 子页面追加 --- */
/* 本页专属微调 —— 仅补充细节，不覆盖全局设计 */
        .about-hero {
            background: linear-gradient(135deg, var(--bg-deep) 0%, #0d1f18 100%);
            border-bottom: 1px solid rgba(16, 185, 129, 0.15);
        }
.about-hero h1 {
            color: var(--text-light);
            font-family: var(--font-serif);
        }
.about-hero .lead {
            color: rgba(236, 253, 245, 0.75);
            font-weight: 300;
        }
.feature-icon {
            font-size: 2.2rem;
            color: var(--primary);
            background: rgba(16, 185, 129, 0.08);
            width: 70px;
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            margin-bottom: 1rem;
        }
.story-block {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 2rem;
        }
.timeline-item h4 {
            font-family: var(--font-serif);
        }
/* 卡片覆盖（确保Bootstrap组件配色统一） */
        .card, .card-body, .card-title, .card-text {
            background: var(--card-bg);
            color: var(--text-light);
            border-color: rgba(255,255,255,0.08);
        }
.list-group-item {
            background-color: var(--card-bg);
            color: var(--text-light);
            border-color: rgba(255,255,255,0.08);
        }
.btn-outline-light {
            border-color: rgba(255,255,255,0.3);
            color: var(--text-light);
        }
.btn-outline-light:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #0a1410;
        }
/* 确保footer和导航一样 */
        .navbar {
            background: rgba(10, 20, 16, 0.85) !important;
            backdrop-filter: blur(10px);
        }

/* --- 子页面追加 --- */
.privacy-hero {
            padding: 80px 0 50px;
            background: linear-gradient(135deg, var(--bg-deep) 0%, #0f1f18 100%);
            position: relative;
            overflow: hidden;
        }
.privacy-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }
.privacy-hero h1 {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--text-light);
            position: relative;
            z-index: 1;
        }
.privacy-hero p {
            color: rgba(236, 253, 245, 0.7);
            max-width: 600px;
            font-size: 1.05rem;
            position: relative;
            z-index: 1;
        }
.privacy-section {
            padding: 40px 0;
            border-bottom: 1px solid rgba(16, 185, 129, 0.08);
        }
.privacy-section:last-child {
            border-bottom: none;
        }
.privacy-section h2 {
            font-family: var(--font-serif);
            color: var(--primary);
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.privacy-section h2 i {
            font-size: 1.1rem;
            color: var(--accent);
            opacity: 0.8;
        }
.privacy-section p, .privacy-section li {
            color: rgba(236, 253, 245, 0.75);
            font-size: 0.98rem;
            line-height: 1.8;
        }
.privacy-section ul {
            padding-left: 20px;
            list-style-type: none;
        }
.privacy-section ul li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 10px;
        }
.privacy-section ul li::before {
            content: '\f105';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--primary);
            font-size: 0.9rem;
        }
.privacy-note {
            background: rgba(16, 185, 129, 0.06);
            border: 1px solid rgba(16, 185, 129, 0.15);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            margin-top: 20px;
            border-left: 4px solid var(--primary);
        }
.privacy-note p {
            margin-bottom: 0;
            font-size: 0.95rem;
        }
.privacy-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 20px;
        }
.privacy-table th, .privacy-table td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid rgba(16, 185, 129, 0.1);
            color: rgba(236, 253, 245, 0.75);
            font-size: 0.95rem;
        }
.privacy-table th {
            color: var(--primary);
            font-weight: 600;
            background: rgba(16, 185, 129, 0.04);
        }
.privacy-table tr:last-child td {
            border-bottom: none;
        }
.update-badge {
            display: inline-block;
            background: rgba(251, 191, 36, 0.1);
            border: 1px solid rgba(251, 191, 36, 0.2);
            color: var(--accent);
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
        }
.privacy-hero {
                padding: 60px 0 40px;
            }
.privacy-hero h1 {
                font-size: 2rem;
            }
.privacy-section h2 {
                font-size: 1.25rem;
            }

/* --- 子页面追加 --- */
/* 本页专属小范围样式 */
        .sitemap-tree { list-style: none; padding-left: 0; }
.sitemap-tree li { margin-bottom: 14px; }
.sitemap-tree li a { color: var(--text-light); text-decoration: none; font-weight: 500; transition: color .3s; }
.sitemap-tree li a:hover { color: var(--accent); }
.sitemap-cat { color: var(--accent); font-weight: 700; margin-top: 24px; }
.sitemap-cat i { margin-right: 8px; color: var(--primary); }
.sitemap-tree .sub-item { padding-left: 28px; list-style: none; }
.sitemap-tree .sub-item li { margin-bottom: 8px; }
.sitemap-tree .sub-item li a { font-weight: 400; color: rgba(236,253,245,.8); }
.sitemap-tree .sub-item li a:hover { color: var(--primary); }
.sitemap-card { background: var(--card-bg); border-radius: var(--radius-md); padding: 28px 32px; margin-bottom: 24px; box-shadow: var(--shadow-soft); border-left: 4px solid var(--primary); }
.sitemap-card h2 { font-family: var(--font-serif); font-size: 1.5rem; margin-bottom: 18px; color: var(--text-light); }
.sitemap-card h2 i { color: var(--accent); margin-right: 10px; }
.sitemap-card p { color: rgba(236,253,245,.7); line-height: 1.8; }
.sitemap-note { background: rgba(16,185,129,.08); border-radius: var(--radius-md); padding: 18px 24px; border: 1px dashed rgba(16,185,129,.4); margin-top: 30px; }
.sitemap-note p { margin-bottom: 0; color: rgba(236,253,245,.75); }
.back-to-top:hover { background: var(--accent); color: var(--bg-deep); }
.sitemap-card { padding: 20px; }