/* 霓虹赛博影音 配色变量 */
    :root {
      --primary: #06b6d4;
      --accent: #ec4899;
      --bg-dark: #0c0a1a;
      --text-light: #e0f2fe;
      --border-color: rgba(6, 182, 212, 0.3);
      --card-bg: rgba(255, 255, 255, 0.04);
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      background-color: var(--bg-dark);
      color: var(--text-light);
      font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      font-weight: 400;
      line-height: 1.6;
    }

    /* 标题字体手写/圆体感 */
    h1, h2, h3, .navbar-brand, .hero-title, .section-title, .movie-card .movie-title, .rank-num {
      font-family: 'Segoe UI', 'Brush Script MT', 'Comic Sans MS', 'Pacifico', 'PingFang SC', cursive;
      letter-spacing: 1px;
    }

    /* 吸顶导航 */
    .navbar {
      background-color: rgba(12, 10, 26, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: background-color 0.3s ease, box-shadow 0.3s ease;
      padding: 0.8rem 0;
      z-index: 100;
    }
    .navbar.scrolled {
      background-color: rgba(12, 10, 26, 0.97);
      box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
      border-bottom-color: var(--accent);
    }

    .navbar-brand {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--primary) !important;
      text-shadow: 0 0 15px rgba(6, 182, 212, 0.6);
      margin-right: 2rem;
    }
    .navbar-brand i {
      color: var(--accent);
      margin-right: 6px;
    }

    .navbar-nav .nav-link {
      color: var(--text-light) !important;
      font-weight: 500;
      margin: 0 0.7rem;
      transition: color 0.2s;
    }
    .navbar-nav .nav-link:hover {
      color: var(--primary) !important;
    }

    .navbar-toggler {
      border: 1px solid var(--primary);
      color: var(--primary);
    }

    /* Hero 区 */
    .hero-section {
      padding: 7rem 0 4rem;
      background: radial-gradient(circle at 20% 30%, rgba(6,182,212,0.15), transparent 50%),
                  radial-gradient(circle at 80% 70%, rgba(236,72,153,0.1), transparent 50%);
      border-bottom: 1px solid var(--border-color);
    }
    .hero-title {
      font-size: 3.8rem;
      font-weight: 900;
      line-height: 1.2;
      color: var(--primary);
      text-shadow: 0 0 30px rgba(6, 182, 212, 0.5);
    }
    .hero-sub {
      font-size: 1.3rem;
      color: rgba(224, 242, 254, 0.8);
      max-width: 650px;
      margin: 1.5rem auto;
    }
    .btn-neon {
      background: transparent;
      border: 2px solid var(--primary);
      color: var(--primary);
      padding: 0.7rem 2.2rem;
      font-weight: 700;
      border-radius: 0px;
      transition: all 0.25s;
      margin: 0.3rem;
      font-size: 1.1rem;
    }
    .btn-neon:hover {
      background-color: var(--primary);
      color: #0c0a1a;
      box-shadow: 0 0 25px var(--primary);
    }
    .btn-neon-accent {
      border-color: var(--accent);
      color: var(--accent);
    }
    .btn-neon-accent:hover {
      background-color: var(--accent);
      color: #0c0a1a;
      box-shadow: 0 0 25px var(--accent);
    }

    /* 区块通用 */
    .section-block {
      padding: 4rem 0;
      border-bottom: 1px solid var(--border-color);
    }
    .section-title {
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 2.2rem;
      position: relative;
      display: inline-block;
      padding-bottom: 0.5rem;
      border-bottom: 3px solid var(--accent);
    }
    .section-title i {
      color: var(--accent);
      margin-right: 10px;
    }

    /* 分类入口 */
    .cat-item {
      text-align: center;
      padding: 1.2rem 0.8rem;
      border: 1px solid var(--border-color);
      background: rgba(6, 182, 212, 0.05);
      transition: all 0.3s;
      margin-bottom: 1rem;
    }
    .cat-item i {
      font-size: 2.2rem;
      color: var(--accent);
      display: block;
      margin-bottom: 0.5rem;
    }
    .cat-item span {
      font-weight: 600;
      color: var(--text-light);
    }
    .cat-item:hover {
      background: rgba(6, 182, 212, 0.15);
      transform: translateY(-5px);
      border-color: var(--primary);
    }

    /* 海报卡片 */
    .movie-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 1.2rem;
    }
    .movie-card {
      width: 170px;
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      cursor: pointer;
      flex-shrink: 0;
    }
    .movie-card:hover {
      transform: scale(1.05);
      box-shadow: 0 15px 30px rgba(236, 72, 153, 0.25);
      border-color: var(--accent);
      z-index: 10;
    }
    .poster-wrap {
      position: relative;
      overflow: hidden;
    }
    .poster-wrap img {
      width: 100%;
      height: 220px;
      object-fit: cover;
      display: block;
      transition: transform 0.4s;
    }
    .movie-card:hover .poster-wrap img {
      transform: scale(1.1);
    }
    .quality-badge {
      position: absolute;
      top: 8px;
      right: 8px;
      background-color: rgba(0, 0, 0, 0.7);
      color: #fff;
      padding: 2px 8px;
      font-size: 0.75rem;
      border: 1px solid var(--primary);
      backdrop-filter: blur(4px);
    }
    .movie-info {
      padding: 0.7rem 0.6rem;
    }
    .movie-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-light);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .movie-score {
      color: var(--accent);
      font-weight: 700;
      font-size: 1.1rem;
    }
    .movie-meta {
      font-size: 0.75rem;
      color: rgba(224, 242, 254, 0.6);
      display: flex;
      justify-content: space-between;
    }

    /* 横向滚动行 */
    .scroll-row {
      display: flex;
      overflow-x: auto;
      gap: 1.2rem;
      padding-bottom: 1rem;
      scrollbar-width: thin;
      scrollbar-color: var(--primary) var(--bg-dark);
    }
    .scroll-row::-webkit-scrollbar {
      height: 6px;
    }
    .scroll-row::-webkit-scrollbar-thumb {
      background: var(--primary);
    }
    .scroll-row::-webkit-scrollbar-track {
      background: var(--bg-dark);
    }

    /* 时间线 */
    .timeline-wrap {
      position: relative;
      padding-left: 2rem;
      border-left: 2px solid var(--primary);
    }
    .timeline-item {
      position: relative;
      margin-bottom: 2.2rem;
    }
    .timeline-item::before {
      content: '';
      position: absolute;
      left: -2.6rem;
      top: 5px;
      width: 16px;
      height: 16px;
      background: var(--accent);
      border: 2px solid var(--bg-dark);
      box-shadow: 0 0 15px var(--accent);
      border-radius: 50%;
    }
    .timeline-year {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary);
    }

    /* 专题 */
    .topic-card {
      border: 1px solid var(--border-color);
      background: rgba(6, 182, 212, 0.03);
      padding: 2rem;
      transition: all 0.3s;
    }
    .topic-card:hover {
      background: rgba(236, 72, 153, 0.1);
      border-color: var(--accent);
    }

    /* FAQ */
    .faq-item {
      background: rgba(6, 182, 212, 0.03);
      border: 1px solid var(--border-color);
      padding: 1.5rem;
      margin-bottom: 1rem;
    }
    .faq-question {
      font-size: 1.2rem;
      font-weight: 600;
      color: var(--primary);
    }
    .faq-answer {
      color: rgba(224, 242, 254, 0.8);
      margin-top: 0.5rem;
    }

    /* 侧滑详情栏 */
    .detail-sidebar {
      position: fixed;
      top: 0;
      right: -500px;
      width: 380px;
      height: 100%;
      background: #0e0d1f;
      border-left: 2px solid var(--primary);
      transition: right 0.4s cubic-bezier(0.23, 1, 0.32, 1);
      z-index: 200;
      padding: 2rem 1.5rem;
      overflow-y: auto;
      box-shadow: -10px 0 40px rgba(6, 182, 212, 0.2);
    }
    .detail-sidebar.open {
      right: 0;
    }
    .detail-sidebar img {
      width: 100%;
      max-height: 250px;
      object-fit: cover;
      border: 1px solid var(--border-color);
    }
    .sidebar-close {
      position: absolute;
      top: 15px;
      left: 15px;
      background: none;
      border: 1px solid var(--accent);
      color: var(--accent);
      font-size: 1.5rem;
      width: 40px;
      height: 40px;
      cursor: pointer;
    }
    .sidebar-backdrop {
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.6);
      backdrop-filter: blur(3px);
      z-index: 150;
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s;
    }
    .sidebar-backdrop.active {
      opacity: 1;
      visibility: visible;
    }

    /* 回到顶部 */
    #backToTop {
      position: fixed;
      bottom: 30px;
      right: 30px;
      background: transparent;
      border: 2px solid var(--primary);
      color: var(--primary);
      width: 50px;
      height: 50px;
      font-size: 1.4rem;
      cursor: pointer;
      z-index: 99;
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s;
    }
    #backToTop.show {
      opacity: 1;
      visibility: visible;
    }
    #backToTop:hover {
      background: var(--primary);
      color: #0c0a1a;
    }

    footer {
      border-top: 1px solid var(--border-color);
      padding: 2rem 0;
      background: rgba(0, 0, 0, 0.4);
    }
    .friend-links {
      border-top: 1px solid var(--border-color);
      padding: 2rem 0;
    }
    .link-item {
      color: var(--primary);
      margin: 0 1rem;
    }

    .navbar .container {
      flex-wrap: wrap;
    }

    @media (max-width: 768px) {
      .hero-title { font-size: 2.5rem; }
      .movie-card { width: 140px; }
      .poster-wrap img { height: 180px; }
      .detail-sidebar { width: 100%; right: -100%; }
    }

/* --- 子页面追加 --- */
.about-hero {
            padding: 100px 0 60px;
            background: linear-gradient(135deg, rgba(6,182,212,0.08) 0%, rgba(236,72,153,0.06) 50%, transparent 100%);
            position: relative;
            overflow: hidden;
        }
.about-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(6,182,212,0.08) 0%, transparent 70%);
            pointer-events: none;
        }
.about-section {
            padding: 60px 0;
            border-bottom: 1px solid var(--border-color);
        }
.about-section:last-child {
            border-bottom: none;
        }
.about-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.about-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(6,182,212,0.1);
        }
.about-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 15px;
            display: inline-block;
        }
.stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
        }
.stat-label {
            color: var(--text-light);
            opacity: 0.7;
            font-size: 0.95rem;
            margin-top: 5px;
        }
.value-item {
            background: rgba(6,182,212,0.06);
            border-left: 3px solid var(--primary);
            padding: 20px 25px;
            border-radius: 0 8px 8px 0;
            margin-bottom: 20px;
        }
.value-item h4 {
            color: var(--primary);
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 8px;
        }
.value-item p {
            margin-bottom: 0;
            opacity: 0.85;
        }
.timeline-pill {
            display: inline-block;
            background: rgba(6,182,212,0.1);
            border: 1px solid var(--border-color);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
.feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
.feature-list li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }
.feature-list li:last-child {
            border-bottom: none;
        }
.feature-list li i {
            color: var(--primary);
            margin-top: 4px;
            font-size: 0.9rem;
        }
.content-paragraph {
            line-height: 1.9;
            opacity: 0.88;
            margin-bottom: 20px;
        }

/* --- 子页面追加 --- */
/* 保证所有 Bootstrap 组件都贴合深色主题 */
        .card, .card-body, .card-title, .card-text, .card-header, .card-footer,
        .form-control, .form-select, .form-label, .input-group-text,
        .table, .list-group-item, .accordion-item, .accordion-button, .accordion-body,
        .modal-content, .modal-header, .modal-body, .dropdown-menu, .dropdown-item,
        .nav-link, .navbar, .navbar-brand, .btn-light, .btn-outline-* {
            background: var(--card-bg) !important;
            color: var(--text-light) !important;
            border-color: var(--border-color) !important;
        }
.accordion-button:not(.collapsed) {
            background: rgba(6,182,212,0.15) !important;
            color: var(--primary) !important;
        }
.accordion-button::after {
            filter: invert(1) hue-rotate(180deg);
        }
.form-control::placeholder {
            color: rgba(255,255,255,0.5) !important;
        }
/* 额外精细调整 */
        .disclaimer-section {
            margin-top: 3rem;
            margin-bottom: 3rem;
        }
.disclaimer-title {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--primary);
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 0.75rem;
            margin-bottom: 2rem;
        }
.disclaimer-sub {
            color: var(--accent);
            font-weight: 600;
            margin-top: 2.2rem;
            margin-bottom: 1rem;
            font-size: 1.4rem;
        }
.disclaimer-text {
            color: var(--text-light);
            line-height: 1.8;
            opacity: 0.9;
        }
.highlight-legal {
            background: rgba(6, 182, 212, 0.08);
            border-left: 4px solid var(--primary);
            padding: 1.2rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
.btn-contact-legal {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 0.5rem 1.8rem;
            border-radius: 40px;
            font-weight: 600;
            transition: all 0.3s;
            text-decoration: none;
            display: inline-block;
        }
.btn-contact-legal:hover {
            background: var(--primary);
            color: #0c0a1a;
            box-shadow: 0 0 18px rgba(6, 182, 212, 0.5);
        }
/* 导航高亮当前页 */
        .navbar-nav .nav-link.active {
            color: var(--primary) !important;
            font-weight: 700;
            text-shadow: 0 0 6px rgba(6, 182, 212, 0.6);
        }