/* 霓虹赛博影音 深色主题变量 */
        :root {
            --primary: #06b6d4;
            --accent: #ec4899;
            --bg-dark: #0c0a1a;
            --text-light: #e0f2fe;
            --radius-lg: 22px;
            --radius-md: 16px;
            --shadow-glow: 0 12px 30px rgba(6, 182, 212, 0.15), 0 6px 18px rgba(236, 72, 153, 0.1);
            --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'Inter', system-ui, sans-serif;
        }
        body {
            background-color: var(--bg-dark);
            color: var(--text-light);
            font-family: var(--font-body);
            line-height: 1.7;
            overflow-x: hidden;
        }
        h1,h2,h3,h4,h5,.navbar-brand,.display-3 {
            font-family: var(--font-display);
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        .navbar {
            background: rgba(12, 10, 26, 0.85) !important;
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(6, 182, 212, 0.2);
        }
        .navbar-brand {
            font-size: 1.9rem;
            font-weight: 900;
            color: var(--text-light) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-brand i {
            color: var(--primary);
        }
        .nav-link {
            color: #c9e4f5 !important;
            font-weight: 500;
            margin: 0 8px;
            transition: 0.2s;
            border-radius: 50px;
            padding: 6px 16px !important;
        }
        .nav-link:hover {
            color: var(--primary) !important;
            background: rgba(6, 182, 212, 0.1);
        }
        .btn-hero {
            padding: 10px 28px;
            border-radius: 60px;
            font-weight: 600;
            border: none;
            transition: 0.3s;
        }
        .btn-hero-primary {
            background: linear-gradient(135deg, var(--primary), #0891b2);
            color: white;
            box-shadow: 0 10px 20px -5px rgba(6, 182, 212, 0.5);
        }
        .btn-hero-secondary {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(4px);
            color: var(--text-light);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .btn-hero-primary:hover { transform: scale(1.03); }
        .btn-hero-secondary:hover { background: rgba(255, 255, 255, 0.2); }

        /* Hero视差 */
        .hero-parallax {
            background: url('{随机图片}') center center / cover no-repeat;
            background-attachment: fixed;
            min-height: 75vh;
            display: flex;
            align-items: center;
            position: relative;
            isolation: isolate;
        }
        .hero-parallax::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12,10,26,0.6) 0%, var(--bg-dark) 100%);
            z-index: -1;
        }

        /* 卡片大圆角+柔和阴影 */
        .movie-card {
            background: #15132b;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0,0,0,0.45);
            transition: transform 0.25s, box-shadow 0.25s;
            height: 100%;
            border: 1px solid rgba(255,255,255,0.05);
            cursor: pointer;
            position: relative;
        }
        .movie-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-glow);
        }
        .movie-poster {
            position: relative;
            overflow: hidden;
            aspect-ratio: 2 / 3;
            background: #1e1c3a;
        }
        .movie-poster img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .movie-card:hover .movie-poster img {
            transform: scale(1.08);
        }
        .movie-info {
            padding: 14px 12px 16px;
            background: #0f0e20;
            transition: background 0.2s;
        }
        .movie-card .movie-info h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            color: #fff;
        }
        .movie-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #93c5fd;
        }
        .badge-type {
            background: rgba(6, 182, 212, 0.2);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            border: 1px solid rgba(6,182,212,0.3);
        }
        .rating-star {
            color: #fbbf24;
            font-weight: 700;
        }

        /* 分类胶囊 */
        .genre-pill {
            background: #1b1933;
            border: 1px solid #2e2a4a;
            color: #cbd5f5;
            border-radius: 60px;
            padding: 8px 20px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: 0.2s;
            display: inline-block;
        }
        .genre-pill:hover, .genre-pill.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #03121a;
        }

        /* 排行榜金银铜 */
        .rank-list {
            display: flex;
            align-items: center;
            padding: 12px 8px;
            background: #16142b;
            border-radius: 18px;
            margin-bottom: 10px;
            transition: background 0.2s;
        }
        .rank-list:hover { background: #1f1c3a; }
        .rank-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            margin-right: 14px;
            color: #fff;
            background: #2d2b4a;
        }
        .rank-list:nth-child(1) .rank-num { background: linear-gradient(145deg, #FFD700, #B8860B); color: #1a1a1a; }
        .rank-list:nth-child(2) .rank-num { background: linear-gradient(145deg, #C0C0C0, #9e9e9e); color: #1a1a1a; }
        .rank-list:nth-child(3) .rank-num { background: linear-gradient(145deg, #cd7f32, #a0522d); color: #fff; }

        /* 弹窗翻转卡片 */
        .flip-card {
            perspective: 1500px;
            height: 100%;
            background: transparent;
        }
        .flip-inner {
            position: relative;
            width: 100%;
            height: 100%;
            text-align: left;
            transition: transform 0.6s;
            transform-style: preserve-3d;
        }
        .flip-card.flipped .flip-inner {
            transform: rotateY(180deg);
        }
        .flip-front, .flip-back {
            position: absolute;
            width: 100%;
            height: 100%;
            backface-visibility: hidden;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .flip-back {
            background: #141230;
            color: var(--text-light);
            transform: rotateY(180deg);
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            border: 1px solid rgba(6,182,212,0.3);
        }
        .flip-back .btn-close-card {
            position: absolute;
            top: 10px;
            right: 12px;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            line-height: 1;
        }
        .movie-card {
            perspective: 1200px;
        }
        .movie-card .flip-card {
            height: 100%;
            width: 100%;
        }

        /* 专题与时间线 */
        .timeline-item {
            padding-left: 28px;
            border-left: 3px solid var(--primary);
            position: relative;
            margin-bottom: 18px;
        }
        .timeline-item::before {
            content: '';
            width: 14px;
            height: 14px;
            background: var(--accent);
            position: absolute;
            left: -8px;
            top: 6px;
            border-radius: 50%;
        }

        /* 回顶部按钮 */
        #backToTop {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: white;
            border: none;
            font-size: 1.4rem;
            box-shadow: 0 6px 16px rgba(236,72,153,0.4);
            opacity: 0;
            visibility: hidden;
            transition: 0.3s;
            z-index: 999;
        }
        #backToTop.show {
            opacity: 1;
            visibility: visible;
        }

        /* 其他 */
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 28px;
        }
        .section-title i { color: var(--primary); margin-right: 12px; }
        .footer-links a {
            color: #9ab8e6;
            margin-right: 18px;
            text-decoration: none;
            font-size: 0.95rem;
        }
        .footer-links a:hover { color: var(--primary); }

        /* 媒体适应 */
        @media (max-width: 992px) {
            .hero-parallax { background-attachment: scroll; }
            .navbar-collapse { background: rgba(12,10,26,0.97); padding: 12px; border-radius: 20px; }
        }

/* --- 子页面追加 --- */
.documentary-hero {
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(236, 72, 153, 0.1));
            padding: 60px 0;
            border-radius: var(--radius-lg);
            margin-top: 30px;
            position: relative;
            overflow: hidden;
        }
.documentary-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 50%, rgba(6, 182, 212, 0.1), transparent 60%);
        }
.doc-card {
            background: rgba(6, 182, 212, 0.08);
            border: 1px solid rgba(6, 182, 212, 0.15);
            border-radius: var(--radius-md);
            padding: 25px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
.doc-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-glow);
        }
.doc-card .doc-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
.doc-card h3 {
            color: var(--text-light);
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
.doc-card p {
            color: rgba(224, 242, 254, 0.75);
            font-size: 0.9rem;
            line-height: 1.7;
        }
.doc-feature {
            display: flex;
            gap: 20px;
            padding: 25px;
            background: rgba(236, 72, 153, 0.06);
            border: 1px solid rgba(236, 72, 153, 0.15);
            border-radius: var(--radius-md);
            margin-bottom: 20px;
        }
.doc-feature .fa-solid {
            font-size: 2rem;
            color: var(--accent);
            flex-shrink: 0;
        }
.doc-feature h4 {
            color: var(--text-light);
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
.doc-feature p {
            color: rgba(224, 242, 254, 0.75);
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0;
        }
.section-divider {
            border-top: 1px solid rgba(6, 182, 212, 0.2);
            margin: 50px 0;
        }
.doc-list-item {
            padding: 20px;
            border-left: 3px solid var(--primary);
            background: rgba(6, 182, 212, 0.05);
            margin-bottom: 15px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            transition: background 0.3s ease;
        }
.doc-list-item:hover {
            background: rgba(6, 182, 212, 0.12);
        }
.doc-list-item .title {
            color: var(--text-light);
            font-weight: 600;
            margin-bottom: 5px;
        }
.doc-list-item .desc {
            color: rgba(224, 242, 254, 0.7);
            font-size: 0.9rem;
        }

/* --- 子页面追加 --- */
/* 页面专属微调，保持整体风格统一 */
        .about-hero {
            padding: 5rem 0 3rem;
            text-align: center;
        }
.about-hero h1 {
            font-family: var(--font-display);
            font-weight: 900;
            color: var(--primary);
            text-shadow: 0 0 30px rgba(6, 182, 212, 0.3);
            margin-bottom: 1.2rem;
        }
.about-hero .lead {
            color: var(--text-light);
            opacity: 0.85;
            max-width: 720px;
            margin: 0 auto;
            font-size: 1.1rem;
        }
.about-section {
            padding: 3.5rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
.about-section:last-child {
            border-bottom: none;
        }
.about-section h2 {
            font-family: var(--font-display);
            font-weight: 800;
            color: var(--primary);
            font-size: 1.75rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-left: 1rem;
        }
.about-section h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.2rem;
            bottom: 0.2rem;
            width: 4px;
            background: linear-gradient(180deg, var(--primary), var(--accent));
            border-radius: 4px;
        }
.about-section p {
            color: var(--text-light);
            opacity: 0.9;
            line-height: 1.9;
            font-size: 1rem;
        }
.feature-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 0.8rem;
        }
.value-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 1.8rem 1.5rem;
            height: 100%;
            transition: all 0.3s ease;
        }
.value-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
            background: rgba(6, 182, 212, 0.06);
        }
.value-card .card-title-custom {
            font-family: var(--font-display);
            font-weight: 700;
            color: var(--text-light);
            font-size: 1.15rem;
            margin-bottom: 0.8rem;
        }
.value-card .card-text-custom {
            color: var(--text-light);
            opacity: 0.75;
            font-size: 0.95rem;
            line-height: 1.7;
        }
.timeline-badge {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-weight: 700;
            border-radius: 50%;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
        }
.milestone-title {
            color: var(--text-light);
            font-weight: 700;
            font-family: var(--font-display);
            margin-bottom: 0.5rem;
        }
.milestone-desc {
            color: var(--text-light);
            opacity: 0.75;
            font-size: 0.95rem;
        }
.cta-box {
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(236, 72, 153, 0.1));
            border: 1px solid rgba(6, 182, 212, 0.3);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            text-align: center;
        }
.cta-box h3 {
            color: var(--text-light);
            font-weight: 800;
            font-family: var(--font-display);
        }
.cta-box p {
            color: var(--text-light);
            opacity: 0.8;
            max-width: 600px;
            margin: 0 auto 1.5rem;
        }
.stat-number {
            font-family: var(--font-display);
            font-weight: 900;
            font-size: 2.5rem;
            color: var(--primary);
        }
.stat-label {
            color: var(--text-light);
            opacity: 0.7;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

/* --- 子页面追加 --- */
.category-hero {
            padding: 80px 0 40px;
            position: relative;
        }
.category-hero h1 {
            font-family: var(--font-display);
            font-weight: 900;
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            color: var(--text-light);
            margin-bottom: 16px;
        }
.category-hero .lead {
            color: rgba(224, 242, 254, 0.7);
            font-size: 1.05rem;
            max-width: 680px;
            line-height: 1.7;
        }
.category-grid {
            padding: 20px 0 60px;
        }
.cat-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            height: 100%;
            transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
            position: relative;
            overflow: hidden;
        }
.cat-card:hover {
            transform: translateY(-6px);
            border-color: var(--primary);
            box-shadow: var(--shadow-glow);
        }
.cat-card .cat-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 18px;
            background: linear-gradient(135deg, rgba(6,182,212,.15), rgba(236,72,153,.15));
            color: var(--primary);
        }
.cat-card h3 {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-light);
            margin-bottom: 10px;
        }
.cat-card p {
            color: rgba(224, 242, 254, 0.65);
            font-size: .92rem;
            line-height: 1.6;
            margin-bottom: 14px;
        }
.cat-card .cat-count {
            display: inline-block;
            font-size: .8rem;
            color: var(--primary);
            font-weight: 600;
            background: rgba(6,182,212,.1);
            padding: 4px 14px;
            border-radius: 20px;
        }
.doc-feature h2 {
            font-family: var(--font-display);
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 12px;
            font-size: 1.5rem;
        }
.section-title h2 {
            font-size: 1.6rem;
        }
.category-hero { padding: 50px 0 30px; }
.cat-card { padding: 22px 18px; }

/* --- 子页面追加 --- */
/* 本页专属微调，确保与主站配色完全一致 */
        .legal-body {
            background: var(--bg-dark);
            color: var(--text-light);
        }
.legal-container {
            max-width: 960px;
            margin: 0 auto;
            padding: 3rem 1.5rem;
        }
.legal-title {
            color: var(--primary);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }
.legal-subhead {
            color: var(--accent);
            font-weight: 700;
            font-size: 1.4rem;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            border-left: 4px solid var(--accent);
            padding-left: 1rem;
        }
.legal-text {
            color: var(--text-light);
            opacity: 0.9;
            line-height: 1.8;
            font-size: 1rem;
        }
.legal-list {
            padding-left: 1.2rem;
            margin-bottom: 1.5rem;
        }
.legal-list li {
            margin-bottom: 0.7rem;
            color: var(--text-light);
            opacity: 0.95;
        }
.legal-list li strong {
            color: var(--primary);
        }
.legal-card {
            background: rgba(6, 182, 212, 0.05);
            border: 1px solid rgba(6, 182, 212, 0.2);
            border-radius: var(--radius-md);
            padding: 1.8rem 2rem;
            margin: 2rem 0;
            box-shadow: var(--shadow-glow);
        }
.legal-card i {
            color: var(--accent);
            margin-right: 0.5rem;
        }
.legal-highlight {
            color: var(--primary);
            font-weight: 600;
        }
.btn-legal {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            padding: 0.6rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            transition: 0.3s;
        }
.btn-legal:hover {
            background: var(--primary);
            color: var(--bg-dark);
            box-shadow: 0 0 20px rgba(6,182,212,0.5);
        }
.footer-inline-links a {
            color: var(--text-light);
            opacity: 0.7;
            text-decoration: none;
            margin: 0 0.8rem;
            transition: 0.2s;
        }
.footer-inline-links a:hover {
            opacity: 1;
            color: var(--primary);
        }

/* --- 子页面追加 --- */
/* 仅覆盖本页特定组件，沿用主站变量 */
        .guide-step-card {
            background: rgba(12, 10, 26, 0.7);
            border: 1px solid rgba(6, 182, 212, 0.25);
            border-radius: var(--radius-md);
            padding: 1.8rem 1.5rem;
            height: 100%;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
.guide-step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
            border-color: rgba(6, 182, 212, 0.6);
        }
.guide-step-num {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
        }
.guide-table {
            background: rgba(12, 10, 26, 0.6);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(6, 182, 212, 0.2);
        }
.guide-table .table-row {
            display: flex;
            padding: 0.9rem 1.2rem;
            border-bottom: 1px solid rgba(6, 182, 212, 0.1);
            align-items: center;
            color: var(--text-light);
        }
.guide-table .table-row:last-child { border-bottom: none; }
.guide-table .table-row .label {
            width: 30%;
            font-weight: 600;
            color: var(--primary);
        }
.guide-table .table-row .value {
            width: 70%;
            color: rgba(224, 242, 254, 0.85);
        }
.guide-note {
            background: rgba(236, 72, 153, 0.12);
            border-left: 4px solid var(--accent);
            padding: 1.2rem 1.5rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 2rem 0;
            color: var(--text-light);
        }
.step-icon-circle {
            width: 48px;
            height: 48px;
            background: rgba(6, 182, 212, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            font-size: 1.4rem;
            color: var(--primary);
        }
/* 高亮当前导航 */
        .navbar .nav-link.active-guide {
            color: var(--primary) !important;
            font-weight: 700;
            border-bottom: 2px solid var(--accent);
        }