:root {
      --primary: #dc2626;
      --accent: #fb923c;
      --bg-dark: #141013;
      --text-light: #fef2f2;
      --radius-lg: 24px;
      --radius-md: 18px;
      --shadow-soft: 0 10px 25px rgba(0,0,0,0.35);
      --card-hover-shadow: 0 15px 35px rgba(220,38,38,0.25);
      --transition-smooth: 0.3s ease;
    }
    * { font-family: 'Inter', sans-serif; }
    body {
      background-color: var(--bg-dark);
      color: var(--text-light);
      overflow-x: hidden;
    }
    /* 滚动条 */
    ::-webkit-scrollbar { width: 8px; }
    ::-webkit-scrollbar-track { background: #1f1a1d; }
    ::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 8px; }
    
    /* 导航 */
    .navbar-custom {
      background: rgba(20, 16, 19, 0.85);
      backdrop-filter: blur(15px);
      transition: background 0.4s, box-shadow 0.3s;
      padding: 16px 24px;
      border-bottom: 1px solid rgba(220,38,38,0.2);
    }
    .navbar-scrolled {
      background: rgba(12, 8, 10, 0.97) !important;
      box-shadow: 0 8px 25px rgba(0,0,0,0.6);
    }
    .brand-name {
      font-weight: 900;
      font-size: 1.8rem;
      color: var(--text-light);
      letter-spacing: 0.5px;
      text-shadow: 0 0 12px rgba(220,38,38,0.5);
    }
    .brand-name i { color: var(--accent); margin-right: 8px; }
    .nav-links a {
      color: var(--text-light);
      font-weight: 500;
      margin: 0 12px;
      text-decoration: none;
      font-size: 1.05rem;
      padding: 8px 0;
      border-bottom: 2px solid transparent;
      transition: 0.2s;
    }
    .nav-links a:hover { border-bottom-color: var(--accent); color: var(--accent); }
    
    /* 滚动进度条 */
    #progress-bar {
      position: fixed;
      top: 0;
      left: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      width: 0%;
      z-index: 9999;
      border-radius: 4px;
    }
    
    /* hero 区域 */
    .hero-banner {
      position: relative;
      min-height: 78vh;
      display: flex;
      align-items: center;
      justify-content: center;
      background: url('{随机图片}') center/cover no-repeat;
      isolation: isolate;
    }
    .hero-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(20,16,19,0.97) 15%, rgba(20,16,19,0.4) 70%);
      z-index: -1;
    }
    .hero-content {
      max-width: 800px;
      text-align: left;
      padding: 2rem;
    }
    .hero-title {
      font-size: 4rem;
      font-weight: 900;
      line-height: 1.1;
      letter-spacing: -1px;
    }
    .hero-title span {
      color: var(--accent);
    }
    .hero-sub {
      font-size: 1.3rem;
      font-weight: 300;
      opacity: 0.9;
      margin-top: 1.2rem;
    }
    
    /* 区块通用 */
    .section-title {
      font-size: 2.4rem;
      font-weight: 800;
      margin-bottom: 2rem;
      position: relative;
      display: inline-block;
    }
    .section-title:after {
      content: '';
      position: absolute;
      bottom: -8px;
      left: 0;
      width: 50%;
      height: 4px;
      background: var(--primary);
      border-radius: 4px;
    }
    .bg-glow { box-shadow: var(--shadow-soft); }
    
    /* 卡片 */
    .movie-card {
      background: #1e191c;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.05);
      transition: transform 0.3s, box-shadow 0.35s;
      height: 100%;
      cursor: pointer;
      position: relative;
      box-shadow: 0 6px 16px rgba(0,0,0,0.3);
    }
    .movie-card:hover {
      transform: translateY(-12px);
      box-shadow: 0 18px 35px rgba(220,38,38,0.25);
    }
    .movie-card img {
      width: 100%;
      height: 300px;
      object-fit: cover;
      border-bottom: 2px solid var(--primary);
    }
    .card-body-custom {
      padding: 1.2rem 1rem 1rem;
    }
    .card-title-custom {
      font-weight: 700;
      font-size: 1.15rem;
      margin-bottom: 6px;
      color: white;
    }
    .card-meta {
      display: flex;
      justify-content: space-between;
      font-size: 0.85rem;
      opacity: 0.8;
    }
    .rating-badge {
      background: var(--primary);
      padding: 2px 8px;
      border-radius: 30px;
      font-size: 0.8rem;
      font-weight: 600;
    }
    
    /* 榜单奖牌 */
    .gold-medal { color: #ffd966; }
    .silver-medal { color: #d9d9d9; }
    .bronze-medal { color: #cd7f32; }
    .rank-badge {
      background: #1f1a1d;
      border-radius: 30px;
      padding: 0.25rem 1rem;
      font-size: 0.9rem;
      font-weight: 600;
    }
    
    /* 胶囊标签 */
    .tag-pill {
      background: rgba(220,38,38,0.15);
      color: var(--accent);
      padding: 6px 14px;
      border-radius: 30px;
      font-weight: 500;
      font-size: 0.9rem;
      margin: 0.25rem;
      display: inline-block;
      border: 1px solid rgba(220,38,38,0.3);
    }
    
    /* 步骤条 */
    .steps-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      margin-top: 25px;
    }
    .step-item {
      flex: 1;
      background: #1e191c;
      border-radius: var(--radius-md);
      padding: 1.5rem;
      text-align: center;
    }
    .step-num {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.4rem;
    }
    
    /* 弹窗 */
    .modal-mask {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.75);
      display: none;
      align-items: center;
      justify-content: center;
      z-index: 1000;
      backdrop-filter: blur(4px);
      padding: 20px;
    }
    .modal-card {
      max-width: 700px;
      width: 100%;
      background: #211c1f;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 30px 40px rgba(0,0,0,0.6);
      display: flex;
      flex-direction: row;
      position: relative;
    }
    .modal-card img {
      width: 220px;
      height: auto;
      object-fit: cover;
      flex-shrink: 0;
    }
    .modal-info {
      padding: 1.8rem;
      flex: 1;
    }
    .close-modal {
      position: absolute;
      top: 12px;
      right: 15px;
      font-size: 2rem;
      color: white;
      cursor: pointer;
      background: none;
      border: none;
      line-height: 1;
    }
    
    /* footer */
    footer {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding: 2rem 0;
      margin-top: 3rem;
    }
    
    @media (max-width: 768px) {
      .hero-title { font-size: 2.5rem; }
      .modal-card { flex-direction: column; }
      .modal-card img { width: 100%; height: 200px; }
      .nav-links { padding-top: 10px; }
    }

/* --- 子页面追加 --- */
.guide-hero {
      padding: 80px 0 40px;
      background: radial-gradient(ellipse at 30% 20%, rgba(220,38,38,0.15), transparent 60%);
    }
.guide-card {
      background: rgba(20,16,19,0.8);
      border: 1px solid rgba(251,146,60,0.2);
      border-radius: var(--radius-md);
      padding: 28px;
      margin-bottom: 30px;
      box-shadow: var(--shadow-soft);
      transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
    }
.guide-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-hover-shadow);
    }
.guide-card h3 {
      color: var(--accent);
      font-weight: 700;
      font-size: 1.25rem;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
.guide-card h3 i {
      color: var(--primary);
      font-size: 1.3rem;
    }
.guide-card p, .guide-card li {
      color: var(--text-light);
      opacity: 0.9;
      line-height: 1.8;
      font-size: 0.95rem;
    }
.guide-card ul {
      padding-left: 20px;
    }
.guide-card ul li {
      margin-bottom: 8px;
    }
.step-badge {
      display: inline-block;
      background: var(--primary);
      color: #fff;
      font-weight: 700;
      font-size: 0.8rem;
      padding: 3px 12px;
      border-radius: 20px;
      margin-right: 8px;
      vertical-align: middle;
    }
.highlight-text {
      color: var(--accent);
      font-weight: 600;
    }
.tip-box {
      background: rgba(251,146,60,0.1);
      border-left: 4px solid var(--accent);
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      padding: 16px 20px;
      margin: 20px 0;
    }
.tip-box p {
      margin: 0;
    }
.faq-mini {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding-top: 20px;
      margin-top: 20px;
    }
.faq-mini a {
      color: var(--accent);
      text-decoration: none;
    }
.faq-mini a:hover {
      color: var(--primary);
    }
.guide-hero { padding: 60px 0 30px; }
.guide-card { padding: 20px; }

/* --- 子页面追加 --- */
/* FAQ 页面专属样式 */
        .faq-section { padding: 80px 0; position: relative; }
.faq-hero { padding: 120px 0 60px; background: linear-gradient(135deg, rgba(20,16,19,0.95) 0%, rgba(30,20,25,0.9) 100%); position: relative; overflow: hidden; }
.faq-hero::before { content: ''; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(220,38,38,0.15) 0%, transparent 70%); border-radius: 50%; }
.faq-hero::after { content: ''; position: absolute; bottom: -30%; left: -10%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(251,146,60,0.1) 0%, transparent 70%); border-radius: 50%; }
.faq-hero .container { position: relative; z-index: 2; }
.faq-hero h1 { font-size: 3rem; font-weight: 800; color: var(--text-light); margin-bottom: 20px; line-height: 1.2; }
.faq-hero h1 .highlight { color: var(--primary); }
.faq-hero p { color: rgba(254,242,242,0.7); font-size: 1.2rem; max-width: 700px; }
.faq-list { max-width: 900px; margin: 0 auto; }
.faq-item { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-md); margin-bottom: 20px; overflow: hidden; transition: var(--transition-smooth); }
.faq-item:hover { border-color: rgba(220,38,38,0.4); box-shadow: var(--card-hover-shadow); transform: translateY(-2px); }
.faq-question { padding: 25px 30px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 1.1rem; font-weight: 600; color: var(--text-light); user-select: none; }
.faq-question .icon { color: var(--primary); font-size: 1.2rem; transition: var(--transition-smooth); flex-shrink: 0; margin-left: 15px; }
.faq-question:hover .icon { color: var(--accent); transform: rotate(90deg); }
.faq-answer { padding: 0 30px 25px; color: rgba(254,242,242,0.7); line-height: 1.8; font-size: 0.95rem; }
.faq-category { margin-bottom: 50px; }
.faq-category .category-title { font-size: 1.8rem; font-weight: 700; color: var(--text-light); margin-bottom: 30px; display: flex; align-items: center; gap: 15px; }
.faq-category .category-title .icon { width: 45px; height: 45px; border-radius: 12px; background: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; color: white; flex-shrink: 0; }
.contact-banner { background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%); border-radius: var(--radius-lg); padding: 40px; text-align: center; margin-top: 60px; position: relative; overflow: hidden; }
.contact-banner h3 { color: white; font-size: 1.8rem; font-weight: 700; margin-bottom: 15px; }
.contact-banner p { color: rgba(255,255,255,0.9); font-size: 1rem; max-width: 600px; margin: 0 auto 25px; }
.contact-banner .btn-contact { background: white; color: var(--primary); border: none; padding: 12px 30px; border-radius: 50px; font-weight: 600; font-size: 1rem; text-decoration: none; display: inline-block; transition: var(--transition-smooth); }
.contact-banner .btn-contact:hover { transform: translateY(-2px); box-shadow: 0 10px 20px rgba(0,0,0,0.2); }
.search-box { max-width: 600px; margin: 0 auto 50px; }
.search-box .form-control { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); color: var(--text-light); padding: 15px 20px; border-radius: 50px; font-size: 1rem; }
.search-box .form-control::placeholder { color: rgba(254,242,242,0.5); }
.search-box .form-control:focus { background: rgba(255,255,255,0.12); border-color: var(--primary); box-shadow: none; }
.search-box .btn-search { position: absolute; right: 5px; top: 50%; transform: translateY(-50%); background: var(--primary); border: none; color: white; width: 45px; height: 45px; border-radius: 50%; }
.faq-hero { padding: 100px 0 40px; }
.faq-hero h1 { font-size: 2rem; }
.faq-question { font-size: 0.95rem; padding: 20px; }
.faq-answer { padding: 0 20px 20px; font-size: 0.9rem; }
.faq-category .category-title { font-size: 1.4rem; }
.contact-banner { padding: 30px; }
.contact-banner h3 { font-size: 1.4rem; }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.list-group-item { background:rgba(255,255,255,.04) !important; color:#fef2f2 !important; border-color:rgba(255,255,255,.12) !important; }