:root {
      --main: #06b6d4;
      --accent: #ec4899;
      --bg: #0c0a1a;
      --text: #e0f2fe;
      --radius-lg: 24px;
      --radius-md: 16px;
      --shadow: 0 8px 30px rgba(6, 182, 212, 0.12), 0 4px 16px rgba(0,0,0,0.4);
    }
    * { box-sizing: border-box; }
    body {
      background-color: var(--bg);
      color: var(--text);
      font-family: 'Inter', 'Noto Sans SC', sans-serif;
      font-weight: 400;
      line-height: 1.5;
      letter-spacing: 0.02em;
      margin: 0;
    }
    h1, h2, h3, h4, .brand-font {
      font-family: 'Noto Serif SC', 'Source Han Serif SC', serif;
      font-weight: 700;
    }
    /* 思源黑体默认给正文，这里用 Inter + 系统 */
    .navbar {
      background: rgba(12, 10, 26, 0.7);
      backdrop-filter: blur(12px);
      padding: 0.8rem 1.5rem;
      transition: all 0.3s ease;
      border-bottom: 1px solid rgba(6, 182, 212, 0.2);
    }
    .navbar.scrolled {
      background: rgba(12, 10, 26, 0.95);
      box-shadow: 0 4px 20px rgba(0,0,0,0.6);
      border-bottom-color: rgba(236, 73, 153, 0.3);
    }
    .navbar-brand {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--text) !important;
      display: flex;
      align-items: center;
      gap: 0.3rem;
      letter-spacing: 1px;
    }
    .navbar-brand i { color: var(--accent); font-size: 1.5rem; }
    .nav-link {
      color: var(--text) !important;
      font-weight: 500;
      margin: 0 0.6rem;
      font-size: 0.95rem;
      transition: color 0.2s;
    }
    .nav-link:hover { color: var(--main) !important; }
    .navbar-toggler { border-color: rgba(255,255,255,0.3); }

    /* hero */
    .hero-section {
      position: relative;
      min-height: 85vh;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      background: linear-gradient(135deg, #0c0a1a 0%, #1a1030 100%);
      overflow: hidden;
      border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }
    .hero-bg {
      position: absolute;
      inset: 0;
      background-image: url('{随机图片}');
      background-size: cover;
      background-position: center;
      filter: brightness(0.35) saturate(1.2);
    }
    .hero-content {
      position: relative;
      z-index: 2;
      padding: 2rem;
    }
    .hero-content h1 {
      font-size: 3.5rem;
      font-weight: 900;
      color: #fff;
      text-shadow: 0 4px 30px rgba(6, 182, 212, 0.7);
      letter-spacing: 2px;
    }
    .hero-content p {
      font-size: 1.2rem;
      color: #cbd5e1;
      max-width: 700px;
      margin: 0.8rem auto 0;
    }

    /* 区块通用 */
    .section-title {
      font-size: 1.9rem;
      font-weight: 800;
      margin: 2rem 0 1.5rem;
      padding-left: 0.75rem;
      border-left: 6px solid var(--accent);
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .section-title i { color: var(--main); font-size: 1.8rem; }

    /* 海报卡片网格 */
    .poster-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
      gap: 1.2rem;
    }
    .poster-card {
      background: #151227;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: transform 0.35s ease, box-shadow 0.35s;
      position: relative;
      cursor: pointer;
      animation: rise 0.6s ease both;
    }
    .poster-card:nth-child(2) { animation-delay: 0.05s; }
    .poster-card:nth-child(3) { animation-delay: 0.1s; }
    .poster-card:nth-child(4) { animation-delay: 0.15s; }
    .poster-card:nth-child(5) { animation-delay: 0.2s; }
    .poster-card:nth-child(6) { animation-delay: 0.25s; }
    @keyframes rise {
      0% { opacity: 0; transform: translateY(25px); }
      100% { opacity: 1; transform: translateY(0); }
    }
    .poster-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 20px 40px rgba(236, 73, 153, 0.25);
    }
    .poster-inner {
      position: relative;
      width: 100%;
      aspect-ratio: 2/3;
      background: #1b1735;
    }
    .poster-inner img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s;
    }
    .poster-card:hover .poster-inner img { transform: scale(1.08); }
    .poster-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 30%, rgba(12,10,26,0.95) 100%);
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 0.7rem;
      opacity: 0.9;
      transition: opacity 0.3s;
    }
    .poster-card:hover .poster-overlay { opacity: 1; background: linear-gradient(180deg, rgba(12,10,26,0.2), rgba(12,10,26,0.9)); }
    .poster-overlay h5 {
      font-size: 1rem;
      font-weight: 700;
      margin: 0 0 0.2rem;
    }
    .poster-overlay .meta {
      font-size: 0.7rem;
      color: #a5b4fc;
      display: flex;
      gap: 0.5rem;
    }
    .poster-overlay .rating {
      position: absolute;
      top: 8px;
      right: 8px;
      background: rgba(0,0,0,0.6);
      backdrop-filter: blur(4px);
      border-radius: 20px;
      padding: 2px 8px;
      font-size: 0.75rem;
      font-weight: 700;
      color: #fbbf24;
    }
    /* 翻转卡片弹窗 */
    .flip-modal {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.7);
      backdrop-filter: blur(6px);
      z-index: 1090;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      visibility: hidden;
      transition: 0.3s;
    }
    .flip-modal.show { opacity: 1; visibility: visible; }
    .flip-inner {
      width: min(400px, 90vw);
      background: #1b1735;
      border-radius: var(--radius-lg);
      padding: 2rem 1.5rem;
      box-shadow: 0 20px 40px rgba(0,0,0,0.8);
      border: 1px solid rgba(6,182,212,0.3);
      position: relative;
      transform: rotateY(180deg);
      transition: transform 0.5s;
      max-height: 80vh;
      overflow-y: auto;
    }
    .flip-modal.show .flip-inner { transform: rotateY(0deg); }
    .flip-inner h4 { color: var(--main); border-bottom: 1px solid var(--accent); padding-bottom: 0.5rem; }
    .flip-inner p { font-size: 0.9rem; color: #d6d3e0; }
    .flip-close {
      position: absolute;
      top: 12px;
      right: 16px;
      font-size: 1.8rem;
      color: #aaa;
      cursor: pointer;
      background: none;
      border: none;
    }
    .flip-close:hover { color: var(--accent); }

    /* 榜单奖牌 */
    .rank-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      font-size: 0.8rem;
      font-weight: 800;
      background: #2d2a4a;
      margin-right: 6px;
    }
    .rank-1 { background: #ffd700; color: #1a1a2e; }
    .rank-2 { background: #c0c0c0; color: #1a1a2e; }
    .rank-3 { background: #cd7f32; color: #1a1a2e; }

    /* 胶囊分类 */
    .tag-pill {
      background: rgba(6, 182, 212, 0.15);
      border: 1px solid var(--main);
      color: var(--text);
      padding: 4px 12px;
      border-radius: 40px;
      font-size: 0.75rem;
      font-weight: 500;
      transition: 0.2s;
    }
    .tag-pill:hover { background: var(--main); color: #000; }

    /* 手风琴 */
    .accordion-item { background: transparent; border: 1px solid #2d2a4a; margin-bottom: 1rem; border-radius: var(--radius-md) !important; overflow: hidden; }
    .accordion-button { background: #1b1735; color: var(--text); font-weight: 600; }
    .accordion-button:not(.collapsed) { background: #242046; color: var(--main); }
    .accordion-body { background: #151227; color: #ccc; }

    /* footer */
    .footer {
      background: #0a081a;
      border-top: 1px solid #2d2a4a;
      padding: 2rem 0;
      margin-top: 3rem;
    }
    .friend-links {
      background: #131023;
      padding: 1rem 1.5rem;
      border-radius: var(--radius-md);
      margin: 2rem 0;
    }
    .small-meta { color: #8a86a5; font-size: 0.8rem; }

    /* 通用 */
    .container-custom { max-width: 1400px; margin: 0 auto; padding: 0 1.5rem; }
    .divider { border-top: 1px solid #2d2a4a; margin: 1rem 0; }
    a { text-decoration: none; color: inherit; }
    @media (max-width: 768px) {
      .hero-content h1 { font-size: 2.3rem; }
      .section-title { font-size: 1.5rem; }
      .poster-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 0.9rem; }
    }

/* --- 子页面追加 --- */
/* 关于页面专属样式 */
        .about-hero { padding: 120px 0 60px; background: linear-gradient(135deg, rgba(6,182,212,0.08) 0%, rgba(236,72,153,0.05) 100%); }
.about-section { padding: 60px 0; }
.about-section:nth-child(even) { background: rgba(6,182,212,0.03); }
.about-card { background: rgba(255,255,255,0.03); border: 1px solid rgba(6,182,212,0.15); border-radius: var(--radius-lg); padding: 35px; height: 100%; transition: all 0.3s ease; }
.about-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: rgba(6,182,212,0.4); }
.about-icon { font-size: 2.2rem; color: var(--main); margin-bottom: 20px; }
.about-text { color: var(--text); line-height: 1.8; font-size: 0.95rem; }
.about-text p { margin-bottom: 15px; }
.about-text strong { color: var(--main); }
.about-title { color: var(--text); font-weight: 700; margin-bottom: 15px; font-size: 1.3rem; }
.about-section-title { color: var(--main); font-weight: 800; margin-bottom: 30px; position: relative; padding-bottom: 15px; }
.about-section-title::after { content: ''; position: absolute; bottom: 0; left: 0; width: 60px; height: 3px; background: linear-gradient(90deg, var(--main), var(--accent)); border-radius: 2px; }
.about-list { list-style: none; padding: 0; }
.about-list li { padding: 8px 0; padding-left: 25px; position: relative; color: var(--text); }
.about-list li::before { content: '\f058'; font-family: 'Font Awesome 6 Free'; font-weight: 900; color: var(--main); position: absolute; left: 0; top: 8px; font-size: 0.9rem; }
.about-stats { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 20px; margin-top: 30px; }
.about-stat { text-align: center; padding: 20px; background: rgba(255,255,255,0.03); border-radius: var(--radius-md); min-width: 150px; border: 1px solid rgba(6,182,212,0.1); }
.about-stat-number { font-size: 2rem; font-weight: 800; color: var(--main); }
.about-stat-label { color: var(--text); font-size: 0.85rem; margin-top: 5px; }
.about-quote { background: linear-gradient(135deg, rgba(6,182,212,0.1), rgba(236,72,153,0.1)); border-left: 4px solid var(--accent); padding: 20px 25px; border-radius: 0 var(--radius-md) var(--radius-md) 0; margin: 25px 0; }
.about-quote p { margin: 0; color: var(--text); font-style: italic; }

/* --- 子页面追加 --- */
/* 本页专属样式 */
        .disclaimer-hero {
            background: linear-gradient(135deg, rgba(12,10,26,0.95), rgba(6,182,212,0.15));
            padding: 80px 0 50px;
            text-align: center;
            border-bottom: 1px solid rgba(6,182,212,0.2);
        }
.disclaimer-content {
            padding: 50px 0;
        }
.disclaimer-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(6,182,212,0.15);
            border-radius: var(--radius-lg);
            padding: 40px;
            margin-bottom: 30px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
.disclaimer-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
.disclaimer-card h2 {
            color: var(--main);
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
.disclaimer-card h2 i {
            color: var(--accent);
        }
.disclaimer-card p {
            color: var(--text);
            line-height: 1.9;
            font-size: 0.95rem;
            opacity: 0.9;
            margin-bottom: 15px;
        }
.disclaimer-card ul {
            color: var(--text);
            padding-left: 20px;
            line-height: 2;
            opacity: 0.9;
        }
.disclaimer-card ul li {
            margin-bottom: 8px;
        }
.highlight-box {
            background: rgba(236,72,153,0.1);
            border-left: 4px solid var(--accent);
            padding: 15px 20px;
            border-radius: 8px;
            margin: 20px 0;
        }
.highlight-box p {
            margin-bottom: 0;
            color: #fbcfe8;
        }
.copyright-note {
            background: rgba(6,182,212,0.08);
            border-radius: var(--radius-md);
            padding: 25px 30px;
            margin-top: 40px;
            border: 1px dashed rgba(6,182,212,0.3);
            text-align: center;
        }
.copyright-note i {
            color: var(--main);
            font-size: 2rem;
            margin-bottom: 10px;
            display: block;
        }
.copyright-note p {
            color: var(--text);
            margin-bottom: 5px;
            font-size: 0.9rem;
        }
.disclaimer-card {
                padding: 25px;
            }
.disclaimer-card h2 {
                font-size: 1.3rem;
            }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-header { background:transparent !important; }