:root {
    --primary: #06b6d4;
    --accent: #ec4899;
    --bg-dark: #0c0a1a;
    --text-light: #e0f2fe;
    --card-bg: #1a1830;
    --shadow-deep: 0 15px 40px rgba(6, 182, 212, 0.15), 0 5px 15px rgba(0,0,0,0.6);
    --shadow-accent: 0 10px 30px rgba(236, 72, 153, 0.2);
    --glow-primary: 0 0 20px rgba(6, 182, 212, 0.3);
    --glow-accent: 0 0 20px rgba(236, 72, 153, 0.3);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    overflow-x: hidden;
}
.font-serif {
    font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
}
.navbar {
    background: rgba(12, 10, 26, 0.95);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(6, 182, 212, 0.2);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 999;
}
.navbar-brand {
    font-size: 2rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(6, 182, 212, 0.3);
    letter-spacing: 1px;
}
.navbar-brand i {
    color: var(--accent);
    -webkit-text-fill-color: var(--accent);
    margin-right: 10px;
}
.nav-link {
    color: var(--text-light) !important;
    font-weight: 500;
    padding: 8px 18px !important;
    border-radius: 30px;
    transition: all 0.4s ease;
    position: relative;
}
.nav-link:hover {
    background: linear-gradient(135deg, rgba(6,182,212,0.2), rgba(236,72,153,0.2));
    box-shadow: var(--glow-primary);
    transform: translateY(-2px);
}
.navbar-toggler {
    border: 1px solid var(--primary);
    color: var(--primary);
}
.hero-section {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0c0a1a 0%, #1a1830 50%, #0c0a1a 100%);
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('{随机图片}') center/cover no-repeat;
    opacity: 0.3;
    filter: blur(5px);
}
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 60px 20px;
}
.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary) 0%, #fff 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    text-shadow: 0 10px 40px rgba(6,182,212,0.3);
}
.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-light);
    opacity: 0.9;
    margin-bottom: 30px;
}
.hero-btn {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border: none;
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    padding: 15px 45px;
    border-radius: 50px;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-accent);
    position: relative;
    overflow: hidden;
}
.hero-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s;
}
.hero-btn:hover::before {
    left: 100%;
}
.hero-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 50px rgba(236,72,153,0.4);
}
.section {
    padding: 100px 0;
    position: relative;
}
.section-header {
    margin-bottom: 60px;
    position: relative;
}
.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
    box-shadow: var(--glow-primary);
}
.movie-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-deep);
    cursor: pointer;
    border: 1px solid rgba(6,182,212,0.1);
    perspective: 1000px;
}
.movie-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 60px rgba(6,182,212,0.3), 0 10px 30px rgba(236,72,153,0.2);
    border-color: rgba(6,182,212,0.4);
}
.movie-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}
.movie-card.flipped .movie-card-inner {
    transform: rotateY(180deg);
}
.movie-card-front, .movie-card-back {
    backface-visibility: hidden;
    border-radius: 20px;
    overflow: hidden;
}
.movie-card-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: rotateY(180deg);
    background: linear-gradient(135deg, #1a1830 0%, #2a2450 100%);
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.movie-card-back h4 {
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 15px;
    font-size: 1.4rem;
}
.movie-card-back p {
    color: var(--text-light);
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 8px;
}
.movie-card-back .plot-text {
    font-size: 0.8rem;
    opacity: 0.85;
    max-height: 100px;
    overflow-y: auto;
}
.poster-wrapper {
    position: relative;
    height: 320px;
    overflow: hidden;
}
.poster-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.movie-card:hover .poster-wrapper img {
    transform: scale(1.1);
}
.movie-info {
    padding: 20px;
    position: relative;
}
.movie-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #fff;
}
.movie-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.movie-rating {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
    font-size: 1.3rem;
}
.movie-year {
    color: rgba(224, 242, 254, 0.6);
    font-size: 0.9rem;
}
.tag-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    padding: 5px 15px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: var(--glow-accent);
    z-index: 2;
}
.rank-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    z-index: 2;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}
.rank-gold {
    background: linear-gradient(135deg, #f7d774, #f5a623);
    color: #1a1830;
}
.rank-silver {
    background: linear-gradient(135deg, #e0e0e0, #a0a0a0);
    color: #1a1830;
}
.rank-bronze {
    background: linear-gradient(135deg, #cd7f32, #8b5e3c);
    color: white;
}
.rank-normal {
    background: rgba(6,182,212,0.3);
    color: var(--primary);
    border: 1px solid rgba(6,182,212,0.5);
}
.section-nav {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.section-nav .nav-pill {
    background: transparent;
    border: 1px solid rgba(6,182,212,0.3);
    color: var(--text-light);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.4s ease;
    text-decoration: none;
}
.section-nav .nav-pill:hover, .section-nav .nav-pill.active {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-color: transparent;
    box-shadow: var(--glow-primary);
    color: white;
}
.stat-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow-deep);
    transition: all 0.4s ease;
    border: 1px solid rgba(6,182,212,0.1);
}
.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-accent);
}
.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}
.stat-label {
    color: rgba(224, 242, 254, 0.7);
    font-size: 1rem;
    margin-top: 10px;
    font-weight: 500;
}
.step-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 35px;
    position: relative;
    box-shadow: var(--shadow-deep);
    transition: all 0.4s ease;
    border: 1px solid rgba(6,182,212,0.1);
}
.step-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-accent);
}
.step-number {
    position: absolute;
    top: -15px;
    left: 20px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    box-shadow: var(--glow-primary);
}
.faq-item {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-deep);
    border-left: 4px solid var(--primary);
    transition: all 0.4s ease;
}
.faq-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-accent);
}
.faq-question {
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 1.1rem;
}
.footer {
    background: linear-gradient(135deg, #0c0a1a 0%, #1a1830 100%);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(6,182,212,0.2);
}
.footer a {
    color: rgba(224, 242, 254, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
}
.footer a:hover {
    color: var(--primary);
    text-shadow: var(--glow-primary);
}
.friend-links {
    padding: 40px 0;
    border-top: 1px solid rgba(6,182,212,0.1);
    border-bottom: 1px solid rgba(6,182,212,0.1);
    margin: 40px 0;
}
.friend-links h5 {
    color: var(--primary);
    margin-bottom: 20px;
    font-weight: 600;
}
.card-animate {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.card-animate.visible {
    opacity: 1;
    transform: translateY(0);
}
.btn-recommend {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border: none;
    color: white;
    padding: 15px 35px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-accent);
}
.btn-recommend:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 50px rgba(6,182,212,0.3);
}
.recommend-result {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    margin-top: 30px;
    border: 1px solid rgba(6,182,212,0.2);
    box-shadow: var(--shadow-deep);
    animation: glowPulse 2s infinite;
}
@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(6,182,212,0.2); }
    50% { box-shadow: 0 0 40px rgba(6,182,212,0.4); }
}
.close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(6,182,212,0.2);
    border: 1px solid var(--primary);
    color: var(--primary);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.4s ease;
    z-index: 10;
}
.close-btn:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    box-shadow: var(--glow-accent);
}
@media (max-width: 768px) {
    .hero-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.2rem; }
    .section { padding: 60px 0; }
    .section-title { font-size: 2rem; }
    .poster-wrapper { height: 250px; }
    .movie-card-back { padding: 15px; }
}

/* --- 子页面追加 --- */
/* 页面专属样式 - 关于页 */
        .about-hero {
            padding: 120px 0 60px;
            background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(236, 72, 153, 0.05) 100%);
            border-bottom: 1px solid rgba(6, 182, 212, 0.15);
        }
.about-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
.about-hero p {
            color: var(--text-light);
            opacity: 0.85;
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.8;
        }
.about-section {
            padding: 70px 0;
            border-bottom: 1px solid rgba(6, 182, 212, 0.08);
        }
.about-section .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 2rem;
            position: relative;
            padding-bottom: 1rem;
        }
.about-section .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 3px;
        }
.about-card {
            background: var(--card-bg);
            border: 1px solid rgba(6, 182, 212, 0.15);
            border-radius: 12px;
            padding: 1.8rem;
            height: 100%;
            transition: all 0.3s ease;
        }
.about-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-deep);
            border-color: var(--primary);
        }
.about-card i {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 1rem;
            display: inline-block;
        }
.about-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
            color: var(--text-light);
        }
.about-card p {
            color: var(--text-light);
            opacity: 0.75;
            line-height: 1.7;
            font-size: 0.95rem;
        }
.feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
.feature-list li {
            padding: 0.8rem 0;
            border-bottom: 1px solid rgba(6, 182, 212, 0.1);
            display: flex;
            align-items: center;
            gap: 0.8rem;
            color: var(--text-light);
            opacity: 0.85;
        }
.feature-list li:last-child {
            border-bottom: none;
        }
.feature-list li i {
            color: var(--accent);
            font-size: 0.9rem;
            width: 20px;
        }
.about-stats {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 2rem;
            border: 1px solid rgba(6, 182, 212, 0.15);
            text-align: center;
        }
.about-stats .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
.about-stats .stat-label {
            color: var(--text-light);
            opacity: 0.7;
            font-size: 0.9rem;
            margin-top: 0.3rem;
        }
.about-hero {
                padding: 90px 0 40px;
            }
.about-hero h1 {
                font-size: 2rem;
            }
.about-section {
                padding: 50px 0;
            }
.about-section .section-title {
                font-size: 1.4rem;
            }
.about-card {
                padding: 1.2rem;
                margin-bottom: 1rem;
            }

/* --- 子页面追加 --- */
/* 确保任何bootstrap组件都不破坏深色风格，本页尽量不用卡片类，只用栅格 */
        .guide-section {
            background: var(--bg-dark);
            color: var(--text-light);
        }
.guide-block {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 1.8rem 1.8rem;
            height: 100%;
            transition: transform .2s ease, box-shadow .2s ease;
            border: 1px solid rgba(6,182,212,.2);
            box-shadow: 0 8px 20px rgba(0,0,0,.4);
        }
.guide-block:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-deep), 0 0 0 1px rgba(6,182,212,.4);
        }
.guide-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 1rem;
            display: inline-block;
            filter: drop-shadow(0 0 8px rgba(6,182,212,.5));
        }
.guide-step {
            background: rgba(6,182,212,.08);
            border-left: 4px solid var(--primary);
            padding: 1rem 1.2rem;
            border-radius: 0 12px 12px 0;
            margin-bottom: 1rem;
        }
.guide-step h5 {
            color: var(--primary);
            font-weight: 600;
            margin-bottom: .3rem;
        }
.guide-step p {
            margin-bottom: 0;
            color: var(--text-light);
            opacity: .85;
        }
.highlight-51 {
            color: var(--accent);
            font-weight: 600;
            letter-spacing: .2px;
        }
.badge-guide {
            background: rgba(236,72,153,.15);
            color: var(--accent);
            border: 1px solid rgba(236,72,153,.3);
            border-radius: 40px;
            padding: .3rem 1rem;
            font-size: .85rem;
            font-weight: 500;
        }
.subtitle-accent {
            color: var(--accent);
            font-size: 1.1rem;
            font-weight: 500;
        }
.table-of-contents a {
            color: var(--text-light);
            text-decoration: none;
            border-bottom: 1px dashed rgba(6,182,212,.4);
            transition: all .2s;
        }
.table-of-contents a:hover {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
.guide-block {
                padding: 1.2rem;
            }

/* --- 子页面追加 --- */
/* 本页专属补充样式 */
        .disclaimer-section {
            padding: 80px 0 60px;
            min-height: 70vh;
        }
.disclaimer-hero {
            background: linear-gradient(135deg, rgba(6,182,212,0.15) 0%, rgba(236,72,153,0.1) 50%, rgba(12,10,26,0.95) 100%);
            border-bottom: 1px solid rgba(6,182,212,0.2);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
.disclaimer-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(6,182,212,0.2) 0%, transparent 70%);
            animation: pulseGlow 4s ease-in-out infinite;
        }
.disclaimer-title {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-weight: 800;
            font-size: 2.5rem;
            color: var(--text-light);
            text-shadow: 0 0 30px rgba(6,182,212,0.3);
            position: relative;
            z-index: 1;
        }
.disclaimer-subtitle {
            color: rgba(224,242,254,0.8);
            font-size: 1.1rem;
            margin-top: 15px;
            position: relative;
            z-index: 1;
        }
.disclaimer-card {
            background: var(--card-bg);
            border: 1px solid rgba(6,182,212,0.2);
            border-radius: 16px;
            padding: 35px 30px;
            margin-bottom: 25px;
            box-shadow: var(--shadow-deep);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }
.disclaimer-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0.7;
        }
.disclaimer-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-accent), var(--shadow-deep);
        }
.disclaimer-card h2 {
            color: var(--primary);
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.disclaimer-card h2 i {
            color: var(--accent);
        }
.disclaimer-card p {
            color: rgba(224,242,254,0.85);
            line-height: 1.8;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }
.disclaimer-card ul {
            padding-left: 20px;
            color: rgba(224,242,254,0.85);
            line-height: 2;
        }
.disclaimer-card ul li {
            margin-bottom: 8px;
        }
.disclaimer-card ul li::marker {
            color: var(--accent);
        }
.disclaimer-highlight {
            background: rgba(6,182,212,0.1);
            border-left: 4px solid var(--primary);
            padding: 20px 25px;
            border-radius: 0 12px 12px 0;
            margin: 25px 0;
            font-style: italic;
            color: rgba(224,242,254,0.9);
        }
.disclaimer-highlight i {
            color: var(--accent);
            margin-right: 10px;
        }
.contact-note {
            background: rgba(236,72,153,0.1);
            border: 1px solid rgba(236,72,153,0.3);
            border-radius: 12px;
            padding: 20px 25px;
            margin-top: 30px;
            text-align: center;
        }
.contact-note a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }
.contact-note a:hover {
            color: var(--accent);
            text-shadow: 0 0 15px rgba(236,72,153,0.4);
        }
.last-updated {
            color: rgba(224,242,254,0.5);
            font-size: 0.85rem;
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(6,182,212,0.1);
        }
.nav-link:hover, .nav-link.active {
            color: var(--primary) !important;
            text-shadow: 0 0 10px rgba(6,182,212,0.5);
        }
.disclaimer-hero {
                padding: 60px 0 40px;
            }
.disclaimer-title {
                font-size: 1.8rem;
            }
.disclaimer-card {
                padding: 25px 20px;
            }
.disclaimer-card h2 {
                font-size: 1.2rem;
            }