:root {
      --primary: #6d5dfc;
      --accent: #22d3ee;
      --bg-dark: #0f1020;
      --text-light: #e8eaf6;
      --card-bg: #1b1c30;
      --border-dark: #2a2c4a;
      --shadow: 0 12px 30px rgba(0,0,0,0.5);
      --radius-card: 1rem;
      --radius-btn: 50rem;
    }
    * { box-sizing: border-box; }
    body {
      background-color: var(--bg-dark);
      color: var(--text-light);
      font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
      font-weight: 400;
      line-height: 1.6;
      letter-spacing: 0.01em;
    }
    h1,h2,h3,h4,h5,h6 { font-weight: 700; color: #fff; }
    a { color: var(--accent); text-decoration: none; transition: opacity .2s; }
    a:hover { color: var(--accent); opacity: 0.8; }
    .navbar {
      background: rgba(15, 16, 32, 0.7);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(109, 93, 252, 0.2);
      transition: background .3s, box-shadow .3s;
      padding-top: 0.8rem; padding-bottom: 0.8rem;
    }
    .navbar.scrolled {
      background: rgba(15, 16, 32, 0.95);
      box-shadow: 0 8px 20px rgba(0,0,0,0.4);
    }
    .navbar-brand {
      font-weight: 800; font-size: 1.8rem; color: #fff !important;
      display: flex; align-items: center; gap: 0.4rem;
    }
    .navbar-brand i { color: var(--primary); font-size: 2rem; }
    .nav-link {
      color: var(--text-light) !important; font-weight: 500; margin: 0 0.4rem;
      border-radius: 2rem; padding: 0.4rem 1.1rem !important; transition: background .2s;
    }
    .nav-link:hover { background: rgba(109,93,252,0.15); color: #fff !important; }
    .btn-custom {
      border-radius: var(--radius-btn); padding: 0.5rem 1.4rem; font-weight: 600;
      border: none; background: var(--primary); color: #fff; transition: all .2s;
    }
    .btn-outline-accent {
      background: transparent; border: 2px solid var(--accent); color: var(--accent);
      border-radius: var(--radius-btn); padding: 0.4rem 1.4rem; font-weight: 600;
    }
    .btn-outline-accent:hover { background: var(--accent); color: #0f1020; }
    .hero-section {
      padding: 5rem 0 4rem; background: radial-gradient(circle at 70% 30%, rgba(109,93,252,0.15), transparent 50%);
    }
    .hero-title {
      font-size: clamp(2.8rem, 6vw, 4.2rem);
      font-weight: 800; line-height: 1.1; color: #fff; letter-spacing: -0.02em;
    }
    .hero-sub { font-size: 1.2rem; color: #b0b5d9; max-width: 600px; }
    .badge-hot {
      background: var(--accent); color: #0f1020; font-weight: 700; border-radius: 50rem;
      padding: 0.25rem 0.8rem; font-size: 0.75rem; display: inline-flex; align-items: center; gap: 0.3rem;
    }
    .section-title { font-weight: 800; font-size: 1.8rem; margin-bottom: 1.5rem; display: flex; align-items: center; gap: 0.5rem; }
    .section-title i { color: var(--primary); }
    .card-film {
      background: var(--card-bg); border-radius: var(--radius-card); overflow: hidden;
      border: 1px solid var(--border-dark); transition: transform .25s ease, box-shadow .25s;
      box-shadow: 0 6px 14px rgba(0,0,0,0.4); position: relative; height: 100%;
      cursor: pointer; backface-visibility: hidden;
    }
    .card-film:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
    .card-film .poster-wrap { position: relative; overflow: hidden; aspect-ratio: 2/3; background: #1d1f35; }
    .card-film img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; display: block; }
    .card-film:hover img { transform: scale(1.06); }
    .card-film .card-body { padding: 0.8rem 0.8rem 0.9rem; background: var(--card-bg); }
    .film-title { font-weight: 600; font-size: 1rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: #eef0ff; }
    .film-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 0.3rem; }
    .rating { color: #fbbf24; font-weight: 600; font-size: 0.85rem; }
    .year { color: #8f93b2; font-size: 0.8rem; }
    .corner-badge {
      position: absolute; top: 8px; left: 8px; background: rgba(15,16,32,0.75); backdrop-filter: blur(4px);
      color: var(--accent); font-size: 0.7rem; font-weight: 600; border-radius: 20px; padding: 0.2rem 0.7rem;
      border: 1px solid var(--accent); z-index: 3; pointer-events: none;
    }
    /* 翻转容器 */
    .flip-card { perspective: 1200px; height: 100%; }
    .flip-card-inner { position: relative; width: 100%; height: 100%; transition: transform 0.4s; transform-style: preserve-3d; }
    .flip-card.flipped .flip-card-inner { transform: rotateY(180deg); }
    .flip-card-front, .flip-card-back { position: absolute; width: 100%; height: 100%; backface-visibility: hidden; border-radius: var(--radius-card); overflow: hidden; }
    .flip-card-back {
      background: #1a1b32; border: 1px solid var(--primary); transform: rotateY(180deg);
      padding: 1rem; display: flex; flex-direction: column; justify-content: center; gap: 0.5rem;
      color: #ccd1f0; font-size: 0.8rem; overflow-y: auto;
    }
    .flip-card-back h5 { color: #fff; font-size: 1.1rem; }
    .flip-card-back p { margin: 0; line-height: 1.4; }
    .flip-card-back .detail-tag { color: var(--accent); font-weight: 500; margin-right: 0.2rem; }
    .close-flip {
      position: absolute; top: 6px; right: 10px; color: #fff; background: none; border: none;
      font-size: 1.5rem; z-index: 10; cursor: pointer; line-height: 1; opacity: 0.7;
    }
    .close-flip:hover { opacity: 1; }
    /* 横向滚动 */
    .hscroll { display: flex; gap: 1.2rem; overflow-x: auto; padding-bottom: 1rem; scrollbar-width: thin; scrollbar-color: var(--primary) #2a2c4a; }
    .hscroll .card-film { flex: 0 0 160px; }
    .hscroll::-webkit-scrollbar { height: 5px; }
    .hscroll::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 20px; }
    .timeline { border-left: 3px solid var(--primary); padding-left: 1.5rem; margin-top: 1rem; }
    .timeline-item { position: relative; margin-bottom: 1.5rem; }
    .timeline-item::before { content: ''; position: absolute; left: -1.85rem; top: 0.3rem; width: 12px; height: 12px; background: var(--accent); border-radius: 50%; border: 2px solid #0f1020; }
    .guide-section { background: rgba(109,93,252,0.06); border-radius: 2rem; padding: 2rem; }
    .theme-special { background: linear-gradient(145deg, #151631, #1b1d3e); border-radius: 2rem; padding: 2rem; }
    .footer { border-top: 1px solid var(--border-dark); background: #0b0c1a; color: #8f93b2; }
    .friends-link { background: rgba(255,255,255,0.02); border-radius: 2rem; padding: 1.5rem; margin-top: 2rem; }
    .friends-link a { margin-right: 1.5rem; color: #a0a5c5; }
    /* 渐显占位 */
    img { background: linear-gradient(90deg, #1d1f35 25%, #292c4a 37%, #1d1f35 63%); background-size: 400% 100%; animation: shimmer 1.4s infinite; }
    @keyframes shimmer { 0% { background-position: 100% 0; } 100% { background-position: 0 0; } }
    .btn-group-tabs .btn { border-radius: 2rem; padding: 0.3rem 1rem; font-weight: 500; }

/* --- 子页面追加 --- */
/* 本页专属样式（仅补充站点样式表未覆盖的） */
        .guide-hero {
            background: linear-gradient(135deg, rgba(109, 93, 252, 0.15) 0%, rgba(34, 211, 238, 0.08) 100%);
            border-bottom: 1px solid var(--border-dark);
            padding: 5rem 0 3.5rem;
        }
.guide-card {
            background: var(--card-bg);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 2rem 1.75rem;
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
        }
.guide-card .icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            background: rgba(109, 93, 252, 0.15);
            color: var(--accent);
            margin-bottom: 1.25rem;
        }
.step-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: rgba(109, 93, 252, 0.4);
            line-height: 1;
            margin-bottom: 0.75rem;
        }
.code-block {
            background: rgba(0,0,0,0.3);
            border: 1px solid var(--border-dark);
            border-radius: 0.5rem;
            padding: 1rem 1.25rem;
            font-family: 'SF Mono', 'Fira Code', monospace;
            font-size: 0.875rem;
            color: var(--text-light);
            overflow-x: auto;
        }
.tip-list {
            list-style: none;
            padding: 0;
        }
.tip-list li {
            padding: 0.5rem 0 0.5rem 1.75rem;
            position: relative;
            color: var(--text-light);
            border-bottom: 1px dashed var(--border-dark);
        }
.tip-list li:last-child { border-bottom: none; }
.tip-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--accent);
        }
.faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-dark);
            border-radius: 0.75rem;
            padding: 1.5rem;
            margin-bottom: 1rem;
        }
.faq-item h4 {
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
.table-guide {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0 8px;
        }
.table-guide td {
            background: var(--card-bg);
            border: 1px solid var(--border-dark);
            padding: 0.75rem 1.25rem;
            color: var(--text-light);
        }
.table-guide td:first-child {
            border-radius: 0.5rem 0 0 0.5rem;
            font-weight: 600;
            color: var(--accent);
            width: 30%;
            border-right: none;
        }
.table-guide td:last-child {
            border-radius: 0 0.5rem 0.5rem 0;
            border-left: none;
        }
.guide-hero { padding: 3.5rem 0 2.5rem; }
.guide-card { padding: 1.5rem 1.25rem; }

/* --- 子页面追加 --- */
/* 覆盖Bootstrap默认白底黑字，确保与本站深色风格一致 */
        .card, .card-body, .card-header, .card-footer {
            background: var(--card-bg);
            color: var(--text-light);
            border-color: var(--border-dark);
        }
.card-title, .card-text {
            color: var(--text-light);
        }
.list-group-item {
            background: var(--card-bg);
            color: var(--text-light);
            border-color: var(--border-dark);
        }
.accordion-item, .accordion-button {
            background: var(--card-bg);
            color: var(--text-light);
            border-color: var(--border-dark);
        }
.accordion-button:not(.collapsed) {
            background: rgba(109, 93, 252, 0.15);
            color: var(--accent);
        }
.form-control, .form-select {
            background: rgba(0,0,0,0.35);
            color: var(--text-light);
            border-color: var(--border-dark);
        }
.form-control::placeholder {
            color: rgba(255,255,255,0.45);
        }
.nav-link:hover, .nav-link.active {
            color: var(--accent) !important;
        }
/* 本页额外微调 */
        .disclaimer-section {
            margin-top: 3rem;
        }
.disclaimer-title {
            color: var(--accent);
            border-left: 4px solid var(--primary);
            padding-left: 1rem;
        }
.legal-card {
            background: rgba(27, 28, 48, 0.6);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow);
        }
.legal-card h3 {
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 1rem;
            font-size: 1.35rem;
        }
.legal-card p, .legal-card li {
            color: var(--text-light);
            line-height: 1.7;
        }
.legal-card ul {
            padding-left: 1.2rem;
        }
.highlight-link {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
.footer-links a {
            color: var(--text-light);
            text-decoration: none;
            margin-right: 1.5rem;
            transition: color 0.2s;
        }
.footer-links a:hover {
            color: var(--accent);
        }

/* --- 子页面追加 --- */
/* 排行榜专属微调 */
        .rank-hero {
            background: radial-gradient(circle at 30% 30%, rgba(109, 93, 252, 0.15), transparent 60%),
                        var(--bg-dark);
            padding: 3rem 0 2rem;
            border-bottom: 1px solid var(--border-dark);
        }
.rank-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            justify-content: center;
            margin-top: 2rem;
            margin-bottom: 1.5rem;
        }
.rank-tabs a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-btn);
            background: rgba(109, 93, 252, 0.08);
            border: 1px solid transparent;
            transition: 0.2s;
        }
.rank-tabs a:hover,
        .rank-tabs a.active-tab {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 6px 18px rgba(109, 93, 252, 0.3);
        }
.rank-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1rem 0 2rem;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
.rank-table th {
            background: rgba(109, 93, 252, 0.2);
            color: var(--text-light);
            font-weight: 700;
            padding: 0.9rem 1.2rem;
            border-bottom: 2px solid var(--primary);
            font-size: 0.95rem;
            text-align: left;
        }
.rank-table td {
            padding: 0.9rem 1.2rem;
            border-bottom: 1px solid var(--border-dark);
            color: var(--text-light);
            vertical-align: middle;
        }
.rank-table tr:last-child td {
            border-bottom: none;
        }
.rank-table .rank-num {
            font-weight: 800;
            font-size: 1.2rem;
            min-width: 3rem;
            color: var(--accent);
        }
.rank-table .rank-title {
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
.rank-table .rank-title .badge-hot {
            background: var(--primary);
            padding: 0.15rem 0.6rem;
            border-radius: var(--radius-btn);
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            color: #fff;
        }
.rank-table .score {
            font-weight: 700;
            color: var(--accent);
            font-size: 1.1rem;
        }
.rank-table .trend {
            color: #7b8c9d;
            font-size: 0.9rem;
        }
.rank-section-title {
            margin-top: 3.5rem;
            margin-bottom: 1.5rem;
            border-left: 4px solid var(--primary);
            padding-left: 1rem;
        }
.note-box {
            background: rgba(34, 211, 238, 0.06);
            border-left: 4px solid var(--accent);
            padding: 1.2rem 1.5rem;
            border-radius: 0.6rem;
            color: var(--text-light);
            margin: 2.5rem 0 1rem;
            font-size: 0.95rem;
        }
.note-box i {
            color: var(--accent);
            margin-right: 0.5rem;
        }
.rank-table th, .rank-table td {
                padding: 0.65rem 0.8rem;
                font-size: 0.85rem;
            }
.rank-table .rank-num {
                font-size: 1rem;
                min-width: 2rem;
            }
.rank-tabs {
                gap: 0.5rem;
            }