/* 霓虹赛博影音配色方案 */
    :root {
      --primary: #06b6d4;
      --accent: #ec4899;
      --bg-deep: #0c0a1a;
      --text-main: #e0f2fe;
      --card-bg: #141128;
      --border-light: #2a2340;
      --shadow: 0 8px 20px rgba(0,0,0,0.6);
      --radius: 8px;
    }
    * { box-sizing: border-box; }
    body {
      background-color: var(--bg-deep);
      color: var(--text-main);
      font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      line-height: 1.6;
    }
    a { color: inherit; text-decoration: none; }
    /* 导航 */
    .navbar-77 {
      background: rgba(12, 10, 26, 0.85);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border-light);
      padding: 0.75rem 1.5rem;
    }
    .navbar-77 .navbar-brand {
      font-weight: 800;
      font-size: 1.7rem;
      color: var(--primary);
      letter-spacing: 1px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .navbar-77 .navbar-brand i { color: var(--accent); }
    .nav-link-77 {
      color: var(--text-main);
      font-weight: 500;
      padding: 0.5rem 0.8rem;
      border-radius: var(--radius);
      transition: all 0.2s;
    }
    .nav-link-77:hover { color: var(--primary); background: rgba(6,182,212,0.1); }
    .btn-outline-cyber {
      border: 1px solid var(--primary);
      color: var(--primary);
      border-radius: var(--radius);
      padding: 0.35rem 1rem;
      font-weight: 600;
      transition: 0.2s;
    }
    .btn-outline-cyber:hover { background: var(--primary); color: #fff; }

    /* 通用板块标题 */
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 1.5rem;
      display: flex;
      align-items: center;
      gap: 10px;
      color: #fff;
    }
    .section-title i { color: var(--accent); }

    /* 轮播 */
    .hero-77 {
      background: linear-gradient(135deg, #0c0a1a 0%, #1e1836 100%);
      padding: 3rem 0 1rem;
      border-bottom: 1px solid var(--border-light);
    }
    .hero-title {
      font-size: 3.2rem;
      font-weight: 900;
      letter-spacing: -0.02em;
      line-height: 1.1;
    }
    .hero-title span { color: var(--primary); }
    .hero-sub { font-size: 1.2rem; color: #b9aee0; margin: 1.2rem 0; }
    .btn-neon {
      background: var(--primary);
      border: none;
      color: #0c0a1a;
      font-weight: 700;
      padding: 0.75rem 2rem;
      border-radius: var(--radius);
      box-shadow: 0 0 15px rgba(6,182,212,0.4);
      transition: 0.2s;
    }
    .btn-neon:hover { background: #22d3ee; }
    .btn-ghost-neon {
      border: 1px solid var(--accent);
      color: var(--accent);
      padding: 0.75rem 2rem;
      border-radius: var(--radius);
      font-weight: 600;
    }
    .btn-ghost-neon:hover { background: rgba(236,72,153,0.15); }

    /* 卡片布局 */
    .movie-card {
      background: var(--card-bg);
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow);
      transition: transform 0.2s, box-shadow 0.2s;
      height: 100%;
      cursor: pointer;
      position: relative;
    }
    .movie-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(0,0,0,0.8); }
    .poster-wrap {
      position: relative;
      aspect-ratio: 2/3;
      background: #1d1832;
      overflow: hidden;
    }
    .poster-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: 0.4s;
    }
    .poster-wrap .gradient-mask {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(12,10,26,0.95) 0%, rgba(12,10,26,0.2) 60%, transparent 100%);
      pointer-events: none;
    }
    .play-overlay {
      position: absolute;
      inset: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(0,0,0,0.35);
      opacity: 0;
      transition: 0.3s;
    }
    .movie-card:hover .play-overlay { opacity: 1; }
    .play-icon {
      width: 55px;
      height: 55px;
      border-radius: 50%;
      background: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      color: #fff;
      box-shadow: 0 0 25px rgba(236,72,153,0.8);
    }
    .movie-info {
      padding: 0.9rem;
    }
    .movie-title { font-weight: 700; font-size: 1.05rem; margin-bottom: 0.2rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .movie-meta { color: #9aa3c7; font-size: 0.8rem; }
    .badge-77 { background: rgba(6,182,212,0.2); color: var(--primary); border-radius: 4px; padding: 2px 6px; font-weight: 600; }
    .rating { color: #fbbf24; font-weight: 700; }

    /* 侧边栏布局 */
    .left-filter {
      background: var(--card-bg);
      border-radius: var(--radius);
      padding: 1.2rem;
      border: 1px solid var(--border-light);
      position: sticky;
      top: 90px;
      height: fit-content;
    }
    .filter-item {
      display: block;
      padding: 0.5rem 1rem;
      color: var(--text-main);
      border-radius: 6px;
      margin-bottom: 0.2rem;
      transition: 0.1s;
    }
    .filter-item:hover, .filter-item.active { background: rgba(6,182,212,0.15); color: var(--primary); }
    .filter-item i { margin-right: 8px; width: 20px; text-align: center; }

    /* 瀑布流网格 */
    .masonry-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
      gap: 1.2rem;
    }

    /* 热门榜单 */
    .rank-list { list-style: none; padding: 0; }
    .rank-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: var(--card-bg);
      padding: 0.6rem 1rem;
      margin-bottom: 0.5rem;
      border-radius: var(--radius);
      border-left: 4px solid var(--accent);
      transition: 0.2s;
    }
    .rank-item:hover { background: #1d1733; }
    .rank-num { font-weight: 800; font-size: 1.2rem; color: var(--primary); margin-right: 12px; }
    .rank-name { flex: 1; font-weight: 500; }
    .rank-score { color: #fbbf24; font-weight: 600; }

    /* 心情选片标签 */
    .mood-tags .tag {
      display: inline-block;
      background: rgba(6,182,212,0.1);
      border: 1px solid var(--primary);
      color: var(--primary);
      padding: 0.4rem 1.2rem;
      border-radius: 30px;
      margin-right: 0.6rem;
      font-weight: 500;
      cursor: default;
      transition: 0.2s;
    }
    .mood-tags .tag:hover { background: var(--primary); color: #0c0a1a; }

    /* 页脚友链 */
    .footer-links { background: #0f0c1f; border-top: 1px solid var(--border-light); padding: 2rem 0; }
    .footer-link-item { margin-right: 1.5rem; color: #a9b3d9; }

    /* 回到顶部 */
    #backTop {
      position: fixed;
      bottom: 2rem;
      right: 1.5rem;
      background: var(--primary);
      color: #0c0a1a;
      width: 45px;
      height: 45px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      cursor: pointer;
      opacity: 0;
      visibility: hidden;
      transition: 0.3s;
      border: none;
      z-index: 999;
    }
    #backTop.show { opacity: 1; visibility: visible; }

    /* 弹窗 */
    .modal-mask {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.6);
      backdrop-filter: blur(4px);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 1200;
      opacity: 0;
      visibility: hidden;
      transition: 0.3s;
    }
    .modal-mask.active { opacity: 1; visibility: visible; }
    .modal-card {
      background: #15122a;
      max-width: 700px;
      width: 90%;
      border-radius: 12px;
      border: 1px solid var(--border-light);
      display: flex;
      flex-wrap: wrap;
      padding: 1.5rem;
      position: relative;
      color: var(--text-main);
      box-shadow: 0 20px 50px rgba(0,0,0,0.8);
    }
    .modal-card img { width: 140px; height: 200px; object-fit: cover; border-radius: 8px; margin-right: 1.5rem; }
    .modal-close { position: absolute; top: 10px; right: 15px; font-size: 1.6rem; cursor: pointer; color: #aaa; background: none; border: none; }
    .modal-close:hover { color: white; }
    .modal-details { flex: 1; min-width: 200px; }
    .modal-details h3 { margin-bottom: 0.4rem; }
    .modal-details p { margin-bottom: 0.3rem; }

    /* 动画延迟 */
    .reveal { opacity: 0; transform: translateY(30px); transition: 0.5s; }
    .reveal.visible { opacity: 1; transform: translateY(0); }

    /* 滚动渐显错落 */
    .stagger-item { transition-delay: calc(var(--i, 0) * 0.05s); }
    @media (max-width: 768px) {
      .hero-title { font-size: 2.2rem; }
      .left-filter { position: static; }
    }