:root {
      --primary: #06b6d4;
      --accent: #ec4899;
      --bg-dark: #0c0a1a;
      --text-light: #e0f2fe;
      --card-radius: 22px;
      --card-shadow: 0 18px 35px -8px rgba(6, 182, 212, 0.25), 0 8px 20px rgba(236, 72, 153, 0.12);
      --soft-shadow: 0 12px 28px rgba(0,0,0,0.4);
    }
    
    * { 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;
      line-height: 1.75;
      overflow-x: hidden;
    }
    
    /* 滚动进度条 */
    #scroll-progress {
      position: fixed; top:0; left:0; height: 4px; width: 0%;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      z-index: 9999; border-radius: 4px; transition: width 0.1s ease-out;
    }
    
    /* 导航栏 */
    .navbar-custom {
      background: rgba(12, 10, 26, 0.8);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(6, 182, 212, 0.2);
      padding: 0.8rem 1.2rem;
      box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    }
    .navbar-brand {
      font-family: 'ZCOOL KuaiLe', cursive;
      font-size: 1.8rem;
      font-weight: 400;
      color: var(--text-light) !important;
      letter-spacing: 1px;
      text-shadow: 0 0 12px var(--primary);
    }
    .navbar-brand i {
      color: var(--accent);
      margin-right: 6px;
      font-size: 1.6rem;
      vertical-align: middle;
    }
    .nav-link {
      color: #b7d6e8 !important;
      font-weight: 500;
      margin: 0 0.5rem;
      border-radius: 40px;
      padding: 0.4rem 1rem !important;
      transition: all 0.2s ease;
    }
    .nav-link:hover, .nav-link.active {
      color: #fff !important;
      background: rgba(6, 182, 212, 0.15);
      border: 1px solid rgba(6, 182, 212, 0.3);
    }
    .navbar-toggler {
      border-color: rgba(6,182,212,0.5);
    }
    
    /* Hero 开场 */
    .hero-section {
      position: relative;
      min-height: 70vh;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      background: radial-gradient(circle at 20% 30%, rgba(6,182,212,0.2), transparent 40%),
                  radial-gradient(circle at 80% 70%, rgba(236,72,153,0.2), transparent 45%);
      overflow: hidden;
      padding: 3rem 1rem;
    }
    .hero-title {
      font-family: 'ZCOOL KuaiLe', cursive;
      font-size: 4.2rem;
      font-weight: 400;
      background: linear-gradient(135deg, var(--primary), #fff, var(--accent));
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      text-shadow: 0 0 30px rgba(6,182,212,0.3);
      margin-bottom: 1rem;
      position: relative;
      z-index: 3;
    }
    .hero-subtitle {
      font-size: 1.2rem;
      color: #c0d9f0;
      letter-spacing: 2px;
      z-index: 3;
      position: relative;
    }
    .hero-float-icons i {
      position: absolute;
      color: rgba(6,182,212,0.2);
      font-size: 3.5rem;
      animation: float 6s infinite alternate;
      z-index: 1;
    }
    .hero-float-icons i:nth-child(1) { top: 15%; left: 8%; animation-delay: 0s; }
    .hero-float-icons i:nth-child(2) { top: 20%; right: 12%; animation-delay: 0.5s; color: rgba(236,72,153,0.2); }
    .hero-float-icons i:nth-child(3) { bottom: 15%; left: 20%; animation-delay: 1s; }
    .hero-float-icons i:nth-child(4) { bottom: 25%; right: 25%; animation-delay: 1.5s; }
    @keyframes float {
      0% { transform: translateY(0) rotate(0deg); }
      100% { transform: translateY(-25px) rotate(5deg); }
    }
    
    /* 区块通用 */
    .section-title {
      font-family: 'ZCOOL KuaiLe', cursive;
      font-size: 2.2rem;
      font-weight: 400;
      color: #fff;
      border-left: 6px solid var(--accent);
      padding-left: 1rem;
      margin: 2.5rem 0 1.8rem;
      text-shadow: 0 0 10px rgba(236,72,153,0.5);
      letter-spacing: 1px;
    }
    
    /* 榜单卡片 金银铜 */
    .rank-card {
      background: rgba(30, 27, 45, 0.7);
      backdrop-filter: blur(4px);
      border-radius: var(--card-radius);
      border: 1px solid rgba(6,182,212,0.2);
      padding: 0.5rem 0.8rem;
      transition: all 0.3s ease;
      box-shadow: var(--soft-shadow);
      margin-bottom: 0.8rem;
    }
    .rank-badge {
      display: inline-block;
      width: 34px; height: 34px;
      border-radius: 50%;
      font-weight: 700;
      text-align: center;
      line-height: 34px;
      margin-right: 8px;
    }
    .gold { background: linear-gradient(135deg,#ffd700,#b8860b); color:#1a1a1a; }
    .silver { background: linear-gradient(135deg,#c0c0c0,#808080); color:#1a1a1a; }
    .bronze { background: linear-gradient(135deg,#cd7f32,#8b4513); color:#fff; }
    .rank-detail { font-weight: 500; }
    .rank-stars { color: var(--accent); font-size: 0.9rem; margin-left: 6px; }
    
    /* 影片卡片 grid */
    .movie-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
      gap: 1.8rem;
    }
    .movie-card {
      background: #171a2b;
      border-radius: var(--card-radius);
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.06);
      transition: all 0.3s cubic-bezier(0.2,0.8,0.3,1);
      cursor: pointer;
      box-shadow: 0 8px 18px rgba(0,0,0,0.4);
      position: relative;
    }
    .movie-card:hover {
      transform: scale(1.03);
      border-color: var(--primary);
      box-shadow: 0 0 25px rgba(6,182,212,0.3), 0 10px 25px rgba(0,0,0,0.5);
    }
    .movie-poster {
      width: 100%; aspect-ratio: 2/3;
      object-fit: cover;
      background: #2d2b3d;
      display: block;
    }
    .movie-info {
      padding: 0.9rem 0.8rem 1rem;
    }
    .movie-title {
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 0.25rem;
      color: #f1f7fe;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .movie-meta {
      font-size: 0.75rem;
      color: #a0bdd6;
      display: flex;
      justify-content: space-between;
    }
    .movie-rating {
      color: #fbbf24;
      font-weight: 700;
      font-size: 0.85rem;
    }
    .tag {
      background: rgba(6,182,212,0.15);
      border: 1px solid var(--primary);
      border-radius: 40px;
      padding: 0.2rem 0.7rem;
      font-size: 0.75rem;
      color: var(--primary);
      margin-right: 0.4rem;
      display: inline-block;
      transition: 0.2s;
    }
    .tag:hover { background: var(--primary); color: #0c0a1a; }
    
    /* 分类胶囊 */
    .category-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 0.8rem;
      margin: 1.5rem 0;
    }
    .pill {
      background: rgba(236,72,153,0.1);
      border: 1px solid rgba(236,72,153,0.3);
      padding: 0.4rem 1.2rem;
      border-radius: 50px;
      color: #f0d5e8;
      font-weight: 500;
      transition: all 0.2s;
      cursor: pointer;
    }
    .pill:hover, .pill.active {
      background: var(--accent);
      border-color: var(--accent);
      color: #fff;
      box-shadow: 0 0 12px rgba(236,72,153,0.5);
    }
    
    /* 标签页 */
    .tab-pane {
      padding: 1rem 0;
    }
    .nav-tabs .nav-link {
      background: transparent;
      border: none;
      color: var(--text-light);
      font-weight: 600;
    }
    .nav-tabs .nav-link.active {
      color: var(--primary);
      border-bottom: 3px solid var(--primary);
      background: transparent;
    }
    
    /* 侧边详情栏 */
    .detail-sidebar {
      position: fixed;
      top: 0; right: -420px;
      width: 380px; height: 100%;
      background: #1b1e2f;
      box-shadow: -10px 0 40px rgba(0,0,0,0.6);
      z-index: 10000;
      transition: right 0.4s ease;
      padding: 2rem 1.5rem;
      overflow-y: auto;
      border-left: 1px solid var(--primary);
    }
    .detail-sidebar.open { right: 0; }
    .detail-close {
      position: absolute; top: 15px; right: 15px;
      background: none; border: none; color: var(--text-light);
      font-size: 1.8rem; cursor: pointer;
    }
    .detail-poster { width: 100%; border-radius: 20px; margin-bottom: 1.2rem; }
    .detail-field { margin-bottom: 0.6rem; }
    .detail-field strong { color: var(--primary); margin-right: 8px; }
    .detail-overlay {
      position: fixed; inset: 0; background: rgba(0,0,0,0.7); backdrop-filter: blur(2px);
      z-index: 9999; display: none;
    }
    .detail-overlay.show { display: block; }
    
    /* 时间线 */
    .timeline {
      border-left: 2px solid var(--primary);
      margin-left: 1rem;
      padding-left: 1.5rem;
    }
    .timeline-item {
      margin-bottom: 1.5rem;
      position: relative;
    }
    .timeline-item::before {
      content: '';
      position: absolute; left: -2.1rem; top: 0.4rem;
      width: 14px; height: 14px;
      background: var(--accent);
      border-radius: 50%;
      border: 3px solid #0c0a1a;
    }
    
    /* 底部 */
    footer {
      background: #080711;
      border-top: 1px solid rgba(6,182,212,0.3);
      padding: 2rem 0;
      margin-top: 3rem;
    }
    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem 1.5rem;
      justify-content: center;
    }
    .friend-links a {
      color: var(--primary);
      text-decoration: none;
      font-size: 0.9rem;
    }
    
    /* 动效 */
    .fade-up {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .fade-up.visible {
      opacity: 1;
      transform: translateY(0);
    }
    
    @media (max-width: 576px) {
      .hero-title { font-size: 2.8rem; }
      .movie-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
      .detail-sidebar { width: 90%; right: -100%; }
    }

/* --- 子页面追加 --- */
.guide-hero {
            padding: 100px 0 60px;
            background: radial-gradient(ellipse at top, rgba(6,182,212,0.12) 0%, transparent 60%), var(--bg-dark);
            text-align: center;
        }
.guide-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--text-light);
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
.guide-hero h1 span {
            color: var(--primary);
        }
.guide-hero p {
            color: rgba(224,242,254,0.7);
            font-size: 1.15rem;
            max-width: 720px;
            margin: 0 auto;
            line-height: 1.8;
        }
.guide-hero .hero-badge {
            display: inline-block;
            padding: 6px 20px;
            background: linear-gradient(135deg, rgba(6,182,212,0.15), rgba(236,72,153,0.15));
            border: 1px solid rgba(6,182,212,0.3);
            border-radius: 50px;
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
            text-transform: uppercase;
        }
.guide-section {
            padding: 40px 0;
        }
.guide-section h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 1.2rem;
            position: relative;
            padding-left: 20px;
        }
.guide-section h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 4px;
            height: 24px;
            background: linear-gradient(180deg, var(--primary), var(--accent));
            border-radius: 2px;
        }
.guide-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(6,182,212,0.15);
            border-radius: var(--card-radius);
            padding: 28px;
            margin-bottom: 24px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
.guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--card-shadow);
        }
.guide-card .icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            background: linear-gradient(135deg, rgba(6,182,212,0.2), rgba(236,72,153,0.2));
            color: var(--primary);
        }
.guide-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
        }
.guide-card p, .guide-card li {
            color: rgba(224,242,254,0.75);
            font-size: 0.95rem;
            line-height: 1.7;
        }
.guide-card ul {
            padding-left: 18px;
            margin-bottom: 0;
        }
.guide-card ul li {
            margin-bottom: 6px;
        }
.guide-card ul li::marker {
            color: var(--primary);
        }
.step-list {
            counter-reset: step;
            padding: 0;
            list-style: none;
        }
.step-list li {
            counter-increment: step;
            position: relative;
            padding: 16px 0 16px 60px;
            border-bottom: 1px solid rgba(6,182,212,0.1);
        }
.step-list li:last-child {
            border-bottom: none;
        }
.step-list li::before {
            content: counter(step);
            position: absolute;
            left: 0;
            top: 12px;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(6,182,212,0.3);
        }
.step-list li h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 6px;
        }
.step-list li p {
            color: rgba(224,242,254,0.7);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0;
        }
.tip-box {
            background: rgba(6,182,212,0.06);
            border-left: 3px solid var(--primary);
            border-radius: 0 12px 12px 0;
            padding: 16px 20px;
            margin: 20px 0;
            color: rgba(224,242,254,0.8);
            font-size: 0.95rem;
            line-height: 1.7;
        }
.tip-box i {
            color: var(--primary);
            margin-right: 8px;
        }
.guide-cta {
            background: linear-gradient(135deg, rgba(6,182,212,0.1), rgba(236,72,153,0.1));
            border: 1px solid rgba(6,182,212,0.25);
            border-radius: var(--card-radius);
            padding: 40px;
            text-align: center;
            margin: 40px 0;
        }
.guide-cta h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 12px;
        }
.guide-cta p {
            color: rgba(224,242,254,0.7);
            max-width: 600px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
.btn-guide {
            display: inline-block;
            padding: 12px 32px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
        }
.btn-guide:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(6,182,212,0.4);
            color: #fff;
        }
.guide-hero h1 { font-size: 2rem; }
.guide-hero p { font-size: 1rem; }
.guide-section h2 { font-size: 1.4rem; }
.guide-card { padding: 20px; }
.guide-cta { padding: 24px; }