:root {
      --primary: #dc2626;
      --accent: #fb923c;
      --bg-dark: #141013;
      --text-light: #fef2f2;
      --card-bg: #1f1a1f;
      --border-light: #3d2e2e;
      --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
      --shadow-hover: 0 12px 24px rgba(220, 38, 38, 0.3);
      --radius: 8px;
      --font-title: 'Noto Serif SC', 'Inter', serif;
      --font-body: 'Noto Sans SC', 'Inter', sans-serif;
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-light);
      font-family: var(--font-body);
      line-height: 1.7;
      letter-spacing: 0.2px;
    }
    h1, h2, h3, h4, .display-1, .display-2, .display-3 {
      font-family: var(--font-title);
      font-weight: 700;
    }
    /* 滚动进度条 */
    #scroll-progress {
      position: fixed;
      top: 0; left: 0;
      height: 3px;
      width: 0%;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      z-index: 9999;
      transition: width 0.1s;
      border-radius: 3px;
    }
    /* 导航胶囊 */
    .nav-pill {
      background: rgba(220,38,38,0.15);
      border: 1px solid var(--primary);
      color: var(--text-light) !important;
      border-radius: 50px;
      padding: 8px 18px;
      margin: 4px 8px;
      font-weight: 500;
      transition: all 0.2s;
      font-size: 0.95rem;
    }
    .nav-pill:hover {
      background: var(--primary);
      color: white !important;
      border-color: var(--primary);
    }
    .navbar-brand {
      font-family: var(--font-title);
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--text-light) !important;
      letter-spacing: 1px;
    }
    .brand-icon {
      color: var(--accent);
      margin-right: 8px;
    }
    /* hero 关键词云 */
    .keyword-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      margin-top: 2rem;
    }
    .keyword-cloud span {
      background: rgba(251,146,60,0.1);
      border: 1px solid var(--accent);
      color: var(--accent);
      padding: 6px 18px;
      border-radius: 40px;
      font-size: 0.95rem;
      font-weight: 500;
      transition: all 0.2s;
    }
    .keyword-cloud span:hover {
      background: var(--accent);
      color: #141013;
      cursor: default;
    }
    /* 区块 */
    .section-title {
      font-size: 2.8rem;
      font-weight: 700;
      border-left: 6px solid var(--primary);
      padding-left: 20px;
      margin: 3.5rem 0 2rem;
    }
    .section-sub {
      color: #bda8a8;
      letter-spacing: 1px;
    }
    /* 卡片 */
    .movie-card {
      background: var(--card-bg);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-light);
      transition: transform 0.25s ease, box-shadow 0.25s;
      cursor: pointer;
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .movie-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-hover);
    }
    .movie-poster {
      width: 100%;
      aspect-ratio: 2 / 3;
      object-fit: cover;
      background: #2b2228;
      display: block;
      position: relative;
    }
    .card-body {
      padding: 1rem 1rem 1.2rem;
      flex: 1;
    }
    .badge-type {
      background: rgba(220,38,38,0.2);
      color: var(--accent);
      font-size: 0.75rem;
      padding: 4px 10px;
      border-radius: 30px;
      font-weight: 500;
    }
    .rating-star {
      color: var(--accent);
      font-size: 0.9rem;
    }
    .meta-text {
      color: #bca9a9;
      font-size: 0.8rem;
    }
    /* 排行榜奖牌 */
    .rank-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      font-weight: 800;
      background: #2e2a2e;
      color: #d8b8b8;
      margin-right: 10px;
    }
    .rank-1 { background: gold; color: #1f1a1f; }
    .rank-2 { background: #c0c0c0; color: #1f1a1f; }
    .rank-3 { background: #cd7f32; color: #1f1a1f; }
    /* 对比表格 */
    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      margin: 2rem 0;
    }
    .comparison-table th, .comparison-table td {
      border: 1px solid var(--border-light);
      padding: 14px 18px;
      background: #1b161b;
    }
    .comparison-table th {
      background: #241c24;
      font-family: var(--font-title);
    }
    /* FAQ */
    .faq-item {
      background: #1c171c;
      border-radius: 8px;
      padding: 1.5rem;
      margin-bottom: 1rem;
      border-left: 4px solid var(--primary);
    }
    .faq-item h5 {
      color: var(--accent);
    }
    /* 弹窗 */
    .modal-mask {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.7);
      backdrop-filter: blur(4px);
      z-index: 1000;
      display: none;
      justify-content: center;
      align-items: center;
      padding: 20px;
    }
    .modal-card {
      background: #fff;
      color: #222;
      max-width: 760px;
      width: 100%;
      border-radius: 12px;
      display: flex;
      flex-wrap: wrap;
      overflow: hidden;
      max-height: 90vh;
      overflow-y: auto;
      position: relative;
    }
    .modal-poster {
      width: 240px;
      min-height: 340px;
      background: #e0d5d5;
      flex-shrink: 0;
    }
    .modal-info {
      flex: 1;
      padding: 24px 28px;
    }
    .modal-close {
      position: absolute;
      top: 12px;
      right: 16px;
      font-size: 2rem;
      background: none;
      border: none;
      cursor: pointer;
      color: #555;
      line-height: 1;
    }
    .modal-close:hover { color: var(--primary); }
    /* 图片懒加载渐显 */
    .lazy-fade {
      opacity: 0;
      transition: opacity 0.5s;
    }
    .lazy-fade.loaded {
      opacity: 1;
    }
    footer {
      border-top: 1px solid var(--border-light);
      padding: 2rem 0;
      background: #0f0d0f;
    }
    .friend-links {
      background: #1b151b;
      border-radius: 12px;
      padding: 1.8rem;
      margin: 3rem 0;
    }
    .friend-links a {
      color: var(--accent);
      margin: 0 12px;
      text-decoration: none;
    }
    .btn-outline-accent {
      border: 1px solid var(--accent);
      color: var(--accent);
      border-radius: 40px;
      padding: 8px 20px;
      background: transparent;
      transition: all 0.2s;
    }
    .btn-outline-accent:hover {
      background: var(--accent);
      color: #141013;
    }
    @media (max-width: 768px) {
      .modal-card { flex-direction: column; }
      .modal-poster { width: 100%; min-height: 200px; }
      .section-title { font-size: 2rem; }
    }

/* --- 子页面追加 --- */
/* 覆盖bootstrap组件配色，保持深色风格 */
        .card, .card-body, .card-title, .card-text, .card-header, .card-footer {
            background: var(--card-bg);
            color: var(--text-light);
            border-color: var(--border-light);
        }
.list-group-item {
            background: var(--card-bg);
            color: var(--text-light);
            border-color: var(--border-light);
        }
.accordion-item, .accordion-button, .accordion-body {
            background: var(--card-bg);
            color: var(--text-light);
            border-color: var(--border-light);
        }
.accordion-button:not(.collapsed) {
            background: rgba(220,38,38,0.15);
            color: var(--text-light);
        }
.form-control, .form-select {
            background: rgba(0,0,0,0.35);
            color: var(--text-light);
            border-color: var(--border-light);
        }
.form-control::placeholder {
            color: rgba(255,255,255,0.45);
        }
.dropdown-menu, .dropdown-item {
            background: var(--card-bg);
            color: var(--text-light);
            border-color: var(--border-light);
        }
.navbar {
            background: var(--bg-dark);
        }
.nav-link {
            color: var(--text-light);
        }
.nav-link:hover {
            color: var(--accent);
        }
/* 页面内小标题微调 */
        .about-section-title {
            font-family: var(--font-title);
            color: var(--accent);
            font-weight: 700;
            border-left: 4px solid var(--primary);
            padding-left: 1rem;
            margin: 2.5rem 0 1.2rem 0;
        }
.about-lead {
            font-size: 1.1rem;
            line-height: 1.8;
            color: rgba(254,242,242,0.85);
        }
.stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-title);
        }
.stat-label {
            color: rgba(254,242,242,0.7);
            letter-spacing: 1px;
            font-size: 0.9rem;
        }
.icon-quote {
            color: var(--accent);
            font-size: 2rem;
            opacity: 0.6;
        }
.feature-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
.team-chip {
            background: rgba(220,38,38,0.1);
            border: 1px solid var(--border-light);
            padding: 0.3rem 1.2rem;
            border-radius: 30px;
            color: var(--text-light);
            display: inline-block;
            margin: 0.25rem 0.2rem;
            font-size: 0.9rem;
        }
.team-chip:hover {
            border-color: var(--primary);
            color: var(--accent);
        }
/* 高亮当前导航 */
        .nav-pill.active {
            background: var(--primary);
            color: #fff !important;
        }

/* --- 子页面追加 --- */
/* 确保品牌名完整连续 */
        .navbar-brand {
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
/* 登录卡片背景微调 */
        .login-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease;
            padding: 2.2rem 2rem;
        }
.login-card:hover {
            box-shadow: var(--shadow-hover);
        }
.form-control-bika {
            background: rgba(0, 0, 0, 0.35);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            color: var(--text-light);
            padding: 0.7rem 1rem;
            width: 100%;
            transition: border-color 0.2s;
        }
.form-control-bika:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 0.2rem rgba(251, 146, 60, 0.15);
        }
.form-control-bika::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
.btn-bika-primary {
            background: var(--primary);
            border: none;
            border-radius: var(--radius);
            color: #fff;
            font-weight: 600;
            padding: 0.7rem 1.2rem;
            width: 100%;
            transition: all 0.2s ease;
        }
.btn-bika-primary:hover {
            background: #b91c1c;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(220, 38, 38, 0.4);
        }
.btn-bika-outline {
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            color: var(--text-light);
            padding: 0.6rem 1rem;
            transition: all 0.2s;
        }
.btn-bika-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(251, 146, 60, 0.05);
        }
.text-accent {
            color: var(--accent);
        }
.bg-bika-soft {
            background: rgba(251, 146, 60, 0.08);
            border-radius: var(--radius);
        }
.feature-box {
            padding: 1.5rem 1rem;
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            background: rgba(31, 26, 31, 0.6);
            transition: transform 0.2s;
        }
.feature-box:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
        }
.divider {
            border-top: 1px solid var(--border-light);
            opacity: 0.6;
            margin: 1.8rem 0;
        }
/* 覆盖bootstrap默认白底 */
        .navbar, .navbar-collapse {
            background-color: var(--bg-dark) !important;
        }
.nav-link, .navbar-brand {
            color: var(--text-light) !important;
        }
.navbar-toggler {
            border-color: var(--border-light);
        }
.navbar-toggler-icon {
            filter: invert(0.8);
        }

/* --- 子页面追加 --- */
/* 本页专属微调 */
    .privacy-block { background: var(--card-bg); border: 1px solid var(--border-light); border-radius: var(--radius); padding: 1.75rem; margin-bottom: 1.5rem; box-shadow: var(--shadow-sm); }
.privacy-block h3 { color: var(--primary); font-size: 1.35rem; margin-bottom: 1rem; border-left: 4px solid var(--accent); padding-left: 1rem; }
.privacy-block p, .privacy-block li { color: var(--text-light); opacity: 0.92; line-height: 1.8; }
.privacy-block ul { padding-left: 1.5rem; }
.privacy-block ul li { margin-bottom: 0.5rem; list-style: disc; }
.privacy-updated { background: rgba(220,38,38,0.08); border: 1px dashed var(--primary); border-radius: var(--radius); padding: 1rem 1.5rem; margin-bottom: 2.5rem; display: flex; align-items: center; gap: 0.75rem; color: var(--text-light); }
.privacy-updated i { color: var(--accent); font-size: 1.2rem; }
.privacy-contact { background: rgba(251,146,60,0.06); border: 1px solid rgba(251,146,60,0.25); border-radius: var(--radius); padding: 1.5rem; margin-top: 2rem; }
.privacy-contact h4 { color: var(--accent); margin-bottom: 0.75rem; }
.privacy-contact a { color: var(--accent); text-decoration: underline; }
.privacy-contact a:hover { color: var(--primary); }

/* --- 子页面追加 --- */
/* 帮助中心专属样式 - 补充覆盖 Bootstrap 组件 */
    .faq-page { padding: 40px 0 60px; }
.faq-hero { background: linear-gradient(135deg, var(--card-bg) 0%, #2a1a1a 100%); border: 1px solid var(--border-light); border-radius: var(--radius); padding: 32px 24px; margin-bottom: 32px; }
.faq-hero h1 { font-family: var(--font-title); color: var(--text-light); font-weight: 700; font-size: 1.8rem; }
.faq-hero p { color: rgba(254, 242, 242, 0.75); }
.faq-section { margin-bottom: 36px; }
.faq-section-title { font-family: var(--font-title); color: var(--text-light); font-weight: 700; font-size: 1.3rem; border-left: 4px solid var(--primary); padding-left: 12px; margin-bottom: 16px; }
.faq-item summary { padding: 14px 16px; cursor: pointer; font-weight: 500; color: var(--text-light); display: flex; justify-content: space-between; align-items: center; transition: background 0.3s; }
.faq-item summary:hover { background: rgba(220, 38, 38, 0.08); }
.faq-item summary::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 0.85rem; color: var(--accent); transition: transform 0.3s; }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item[open] summary { border-bottom: 1px solid var(--border-light); background: rgba(220, 38, 38, 0.05); }
.faq-item .faq-answer { padding: 14px 16px; color: rgba(254, 242, 242, 0.8); line-height: 1.7; font-size: 0.95rem; }
.faq-item .faq-answer a { color: var(--accent); text-decoration: underline; }
.contact-box { background: var(--card-bg); border: 1px solid var(--border-light); border-radius: var(--radius); padding: 24px; margin-top: 30px; }
.contact-box h3 { color: var(--text-light); font-family: var(--font-title); font-weight: 600; font-size: 1.2rem; }
.contact-box .contact-item { display: flex; align-items: center; gap: 10px; padding: 8px 0; color: rgba(254, 242, 242, 0.8); }
.contact-box .contact-item i { color: var(--accent); width: 20px; text-align: center; }
.helpful-box { background: linear-gradient(135deg, rgba(220, 38, 38, 0.15) 0%, rgba(251, 146, 60, 0.1) 100%); border: 1px solid var(--border-light); border-radius: var(--radius); padding: 20px; margin-top: 20px; text-align: center; }
.helpful-box p { color: var(--text-light); margin-bottom: 12px; }
.btn-feedback { background: var(--primary); color: #fff; border: none; padding: 8px 24px; border-radius: 20px; font-weight: 500; transition: all 0.3s; }
.btn-feedback:hover { background: #b91c1c; transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.search-help { margin-bottom: 28px; }
.search-help .form-control { background: rgba(0, 0, 0, 0.3); border: 1px solid var(--border-light); color: var(--text-light); border-radius: 20px; padding: 10px 20px; }
.search-help .form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 0.2rem rgba(220, 38, 38, 0.15); }
.search-help .form-control::placeholder { color: rgba(255, 255, 255, 0.4); }
.btn-search { background: var(--primary); color: #fff; border: none; border-radius: 20px; padding: 10px 24px; font-weight: 500; }
.btn-search:hover { background: #b91c1c; }
.faq-hero { padding: 24px 16px; }
.faq-hero h1 { font-size: 1.4rem; }
.faq-section-title { font-size: 1.1rem; }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.form-label { color:#fef2f2 !important; }