:root {
      --main: #10b981;
      --accent: #fbbf24;
      --bg: #0a1410;
      --text: #ecfdf5;
      --surface: #11251c;
      --border-light: #1f3a2d;
      --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
      --radius: 8px;
    }
    * { font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif; }
    body {
      background-color: var(--bg);
      color: var(--text);
      letter-spacing: 0.01em;
      font-size: 0.95rem;
    }
    /* 思源宋体/黑体模拟 fallback 以系统字体为主，此处仅定义标题字重 */
    h1, h2, h3, h4, .font-song { font-family: 'Songti SC', 'Noto Serif SC', 'Times New Roman', serif; font-weight: 700; }
    .navbar {
      background-color: rgba(10, 20, 16, 0.7);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-light);
      transition: background-color 0.2s ease, box-shadow 0.2s;
      padding-top: 0.8rem;
      padding-bottom: 0.8rem;
    }
    .navbar.scrolled {
      background-color: rgba(10, 20, 16, 0.95);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }
    .navbar-brand, .navbar-brand:hover {
      font-weight: 800;
      font-size: 1.6rem;
      color: var(--text);
      letter-spacing: 1px;
    }
    .navbar-brand i { color: var(--main); margin-right: 0.3rem; }
    .nav-link {
      color: rgba(236, 253, 245, 0.8);
      font-weight: 500;
      margin: 0 0.5rem;
    }
    .nav-link:hover { color: var(--main); }
    .hero-section {
      background: linear-gradient(150deg, #0b1a13 0%, #0a1410 100%);
      padding: 3rem 0 2rem;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-light);
    }
    .hero-bg-parallax {
      background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTQ0MCIgaGVpZ2h0PSI2MDAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iIzBhMTQxMCIvPjxjaXJjbGUgY3g9IjEwMCUiIGN5PSIwIiByPSI0MDAiIGZpbGw9IiMxMDI5MWQiLz48L3N2Zz4=');
      background-size: cover;
      background-position: center 20%;
      background-attachment: fixed;
      position: absolute;
      inset: 0;
      opacity: 0.3;
    }
    .hero-content { position: relative; z-index: 3; }
    .hero-stats {
      display: flex;
      gap: 2.5rem;
      flex-wrap: wrap;
      justify-content: center;
      margin-bottom: 1.5rem;
    }
    .stat-item { text-align: center; }
    .stat-number {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--accent);
      line-height: 1;
    }
    .stat-label { color: var(--text); opacity: 0.7; font-size: 0.9rem; letter-spacing: 1px; }
    .section-title {
      font-size: 1.7rem;
      margin: 2rem 0 1.2rem;
      font-weight: 800;
      border-left: 6px solid var(--main);
      padding-left: 0.8rem;
      display: inline-block;
    }
    .badge-capsule {
      background: var(--surface);
      color: var(--text);
      border-radius: 30px;
      padding: 0.25rem 1rem;
      font-size: 0.8rem;
      font-weight: 500;
      border: 1px solid var(--border-light);
    }
    .badge-capsule.active { background: var(--main); color: #0a1410; border-color: var(--main); }
    .movie-card {
      background: var(--surface);
      border-radius: var(--radius);
      overflow: hidden;
      transition: transform 0.2s ease, box-shadow 0.2s;
      position: relative;
      border: 1px solid transparent;
      cursor: pointer;
      height: 100%;
    }
    .movie-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
      border-color: var(--main);
    }
    .movie-poster {
      aspect-ratio: 2 / 3;
      background: #1a2b22;
      overflow: hidden;
      position: relative;
    }
    .movie-poster img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    .play-overlay {
      position: absolute;
      inset: 0;
      background: rgba(0, 0, 0, 0.35);
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.2s;
    }
    .movie-card:hover .play-overlay { opacity: 1; }
    .play-icon {
      width: 55px;
      height: 55px;
      border-radius: 50%;
      background: var(--main);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0a1410;
      font-size: 1.6rem;
      padding-left: 5px;
      box-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
    }
    .movie-info { padding: 0.7rem 0.9rem 0.9rem; }
    .movie-title {
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 0.2rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .movie-meta {
      font-size: 0.75rem;
      color: var(--text);
      opacity: 0.7;
      display: flex;
      justify-content: space-between;
    }
    .rating-star { color: var(--accent); font-weight: 600; }
    .rank-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 28px;
      height: 28px;
      border-radius: 6px;
      font-weight: 800;
      font-size: 0.9rem;
      margin-right: 0.5rem;
    }
    .rank-1 { background: #fbbf24; color: #0a1410; }
    .rank-2 { background: #c0c0c0; color: #0a1410; }
    .rank-3 { background: #cd7f32; color: #0a1410; }
    .rank-4 { background: #2a3b32; color: var(--text); }
    .timeline-list {
      list-style: none;
      padding-left: 1rem;
      border-left: 3px solid var(--main);
    }
    .timeline-list li {
      position: relative;
      padding: 0.8rem 0 0.8rem 1.5rem;
      border-bottom: 1px dashed var(--border-light);
    }
    .timeline-list li::before {
      content: '';
      position: absolute;
      left: -8px;
      top: 1.3rem;
      width: 12px;
      height: 12px;
      background: var(--main);
      border-radius: 50%;
    }
    .friend-links {
      background: var(--surface);
      border-radius: var(--radius);
      padding: 1rem 1.5rem;
      margin: 2rem 0;
    }
    .footer {
      border-top: 1px solid var(--border-light);
      padding: 2rem 0 3rem;
      color: rgba(236, 253, 245, 0.6);
    }
    .footer a { color: var(--text); text-decoration: none; }
    .footer a:hover { color: var(--main); }
    .modal-content {
      background: #f2f7f2;
      color: #0a1410;
      border-radius: 16px;
    }
    .modal-movie-poster {
      width: 100%;
      border-radius: 12px;
    }
    .tab-pane { padding-top: 1rem; }
    .nav-pills .nav-link { background: transparent; color: var(--text); }
    .nav-pills .nav-link.active { background: var(--main); color: #0a1410; }
    .btn-mood { background: var(--surface); border: 1px solid var(--border-light); border-radius: 30px; color: var(--text); margin: 0 0.3rem; }
    .btn-mood:hover { border-color: var(--main); color: var(--main); }
    #recommend-slot {
      background: var(--surface);
      border-radius: var(--radius);
      padding: 1rem;
      margin-top: 1rem;
    }

/* --- 子页面追加 --- */
/* 本页专属补充样式 */
        .about-hero { background: linear-gradient(135deg, rgba(16,185,129,0.15) 0%, rgba(10,20,16,0.9) 100%), var(--bg); padding: 100px 0 60px; border-bottom: 1px solid var(--border-light); }
.about-section { padding: 60px 0; }
.about-section:nth-child(even) { background: rgba(17,37,28,0.5); }
.about-content { max-width: 900px; margin: 0 auto; }
.about-content p { color: var(--text); opacity: 0.9; line-height: 1.9; margin-bottom: 1.5rem; }
.about-content h2 { color: var(--main); margin: 2.5rem 0 1.5rem; font-weight: 700; }
.about-content h3 { color: var(--accent); margin: 2rem 0 1rem; font-weight: 600; }
.about-card { background: var(--surface); border: 1px solid var(--border-light); border-radius: var(--radius); padding: 25px; margin-bottom: 20px; box-shadow: var(--shadow-sm); }
.about-card i { color: var(--accent); font-size: 2rem; margin-bottom: 15px; }
.about-card h4 { color: var(--text); font-weight: 600; margin-bottom: 10px; }
.about-card p { margin-bottom: 0; font-size: 0.95rem; }
.stat-highlight { color: var(--accent); font-weight: 700; }
.nav-link.active::after { content: ''; display: block; width: 100%; height: 2px; background: var(--accent); margin-top: 2px; }
.about-list { list-style: none; padding: 0; }
.about-list li { padding: 8px 0; color: var(--text); opacity: 0.9; border-bottom: 1px solid rgba(31,58,45,0.3); }
.about-list li:last-child { border-bottom: none; }
.about-list li i { color: var(--main); margin-right: 10px; }
.footer-links a { color: var(--text); opacity: 0.7; text-decoration: none; margin: 0 10px; transition: opacity 0.3s; }
.footer-links a:hover { opacity: 1; color: var(--main); }

/* --- 子页面追加 --- */
/* 覆盖 Bootstrap 组件默认白底 */
        .card, .card-body, .card-header, .card-footer {
            background: var(--surface) !important;
            color: var(--text) !important;
            border-color: var(--border-light) !important;
        }
.list-group-item {
            background: var(--surface) !important;
            color: var(--text) !important;
            border-color: var(--border-light) !important;
        }
.accordion-item, .accordion-button {
            background: var(--surface) !important;
            color: var(--text) !important;
            border-color: var(--border-light) !important;
        }
.accordion-button:not(.collapsed) {
            background: var(--surface) !important;
            color: var(--accent) !important;
        }
.accordion-button::after {
            filter: invert(1);
        }
.form-control, .form-select {
            background: rgba(0,0,0,0.3) !important;
            color: var(--text) !important;
            border-color: var(--border-light) !important;
        }
.form-control::placeholder {
            color: rgba(255,255,255,0.4) !important;
        }
/* 链接颜色与品牌一致 */
        a {
            color: var(--main);
        }
/* 高亮当前导航 (免责声明) */
        .navbar .nav-link.active {
            color: var(--accent) !important;
            font-weight: 600;
        }
/* 页面特有间距 */
        .disclaimer-section {
            padding-top: 80px;
            padding-bottom: 60px;
        }
.disclaimer-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 1.8rem;
            margin-bottom: 1.8rem;
        }
.disclaimer-icon {
            color: var(--accent);
            font-size: 1.8rem;
            margin-right: 12px;
        }
.disclaimer-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
        }
.disclaimer-text {
            color: var(--text);
            opacity: 0.9;
            line-height: 1.75;
        }
.disclaimer-list {
            list-style: none;
            padding-left: 0;
        }
.disclaimer-list li {
            padding-left: 1.5rem;
            position: relative;
            margin-bottom: 0.5rem;
        }
.disclaimer-list li::before {
            content: "✓";
            color: var(--main);
            font-weight: 700;
            position: absolute;
            left: 0;
        }
.disclaimer-highlight {
            color: var(--accent);
            font-weight: 600;
        }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.modal-header { border-color:rgba(255,255,255,.12) !important; }
.modal-body { color:#ecfdf5 !important; }