:root {
      --primary: #2563eb;
      --accent: #06b6d4;
      --bg: #f4f8ff;
      --text: #0f1e3d;
      --radius: 20px;
      --soft-shadow: 0 12px 30px rgba(37, 99, 235, 0.08);
      --card-shadow: 0 6px 22px rgba(15, 30, 61, 0.08);
    }
    * { box-sizing: border-box; }
    body {
      background: var(--bg);
      color: var(--text);
      font-family: 'Inter', system-ui, -apple-system, sans-serif;
      letter-spacing: -0.01em;
    }
    h1, h2, h3 { font-weight: 800; }
    /* 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: 0 4px 4px 0;
      transition: width 0.1s;
    }
    /* 导航吸顶 */
    .sticky-nav {
      position: sticky;
      top: 0;
      z-index: 1020;
      background: rgba(255, 255, 255, 0.7);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(0,0,0,0.04);
      transition: background 0.3s, box-shadow 0.3s;
    }
    .sticky-nav.scrolled {
      background: rgba(255, 255, 255, 0.95);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
    }
    .navbar-brand {
      font-weight: 900;
      font-size: 1.8rem;
      color: var(--text) !important;
      letter-spacing: -0.02em;
    }
    .navbar-brand i { color: var(--primary); }
    .nav-link {
      font-weight: 500;
      color: var(--text);
      margin: 0 0.4rem;
      border-radius: 30px;
    }
    .nav-link:hover { color: var(--primary); background: rgba(37,99,235,0.05); }
    /* 大圆角 */
    .hero, .section-card, .movie-card, .ranking-item, .tag-panel, .timeline-item {
      border-radius: var(--radius);
    }
    .hero {
      padding: 4rem 2rem;
      background: linear-gradient(145deg, #ffffff, #e8f0ff);
      box-shadow: var(--soft-shadow);
      position: relative;
      overflow: hidden;
    }
    .hero .floating-icon {
      position: absolute;
      font-size: 3rem;
      opacity: 0.15;
      animation: float 6s infinite ease-in-out;
    }
    .gradient-text {
      background: linear-gradient(135deg, var(--primary), var(--accent));
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
      font-weight: 900;
      font-size: 3.8rem;
      line-height: 1.1;
    }
    @keyframes float { 0%{ transform: translateY(0);} 50%{ transform: translateY(-14px);} 100%{ transform: translateY(0);} }
    /* 影片卡片 */
    .movie-grid .col { margin-bottom: 1.8rem; }
    .movie-card {
      background: white;
      border: none;
      box-shadow: var(--card-shadow);
      transition: all 0.25s ease;
      overflow: hidden;
      cursor: pointer;
      position: relative;
    }
    .movie-card:hover { transform: translateY(-6px); box-shadow: 0 18px 36px rgba(0, 0, 0, 0.12); }
    .poster-wrap { position: relative; overflow: hidden; border-radius: var(--radius) var(--radius) 0 0; }
    .poster-wrap img {
      width: 100%; 
      aspect-ratio: 2 / 3;
      object-fit: cover;
      transition: transform 0.5s ease;
      display: block;
    }
    .movie-card:hover .poster-wrap img { transform: scale(1.05); }
    .corner-badge {
      position: absolute;
      top: 12px; left: 12px;
      background: rgba(15, 30, 61, 0.85);
      color: white;
      padding: 0.25rem 0.8rem;
      border-radius: 30px;
      font-size: 0.75rem;
      font-weight: 600;
      backdrop-filter: blur(4px);
    }
    .rating-star {
      position: absolute;
      bottom: 10px; right: 12px;
      background: rgba(255, 215, 0, 0.9);
      color: #0f1e3d;
      padding: 0.2rem 0.7rem;
      border-radius: 30px;
      font-weight: 700;
      font-size: 0.8rem;
    }
    .card-body { padding: 0.9rem 0.8rem 1rem; }
    .card-title { font-weight: 700; font-size: 1rem; margin-bottom: 0.25rem; }
    .card-text { color: #5a6a85; font-size: 0.85rem; }
    /* 侧边弹窗 */
    .detail-panel {
      position: fixed;
      top: 0; right: -520px;
      width: 480px;
      max-width: 100vw;
      height: 100vh;
      background: white;
      box-shadow: -10px 0 30px rgba(0,0,0,0.2);
      transition: right 0.4s cubic-bezier(0.22, 1, 0.36, 1);
      z-index: 1060;
      border-radius: 24px 0 0 24px;
      overflow-y: auto;
      padding: 2rem 1.5rem;
    }
    .detail-panel.show { right: 0; }
    .detail-backdrop {
      position: fixed;
      inset: 0;
      background: rgba(15, 30, 61, 0.5);
      backdrop-filter: blur(4px);
      z-index: 1050;
      display: none;
    }
    .detail-backdrop.show { display: block; }
    .close-detail {
      background: none; border: none; font-size: 2rem;
      color: var(--text); position: absolute; top: 10px; right: 20px;
    }
    /* 区块样式 */
    .section-card {
      background: white;
      padding: 1.8rem 1.5rem;
      box-shadow: var(--soft-shadow);
      margin-bottom: 2.5rem;
    }
    .section-title i { color: var(--primary); }
    .timeline-item {
      border-left: 3px solid var(--primary);
      padding-left: 1rem;
      margin-bottom: 0.8rem;
    }
    .tag-badge {
      background: #eaf1ff;
      color: var(--primary);
      padding: 0.4rem 1rem;
      border-radius: 40px;
      font-weight: 600;
      cursor: pointer;
      transition: 0.2s;
    }
    .tag-badge:hover { background: var(--primary); color: white; }
    .ranking-item {
      display: flex;
      align-items: center;
      background: #f9fcff;
      padding: 0.5rem 1rem;
      margin-bottom: 0.5rem;
    }
    .ranking-num {
      font-weight: 900; font-size: 1.4rem;
      color: var(--primary); width: 50px;
    }
    /* 页脚友链 */
    .friend-links a {
      margin-right: 1rem;
      color: var(--text);
      opacity: 0.7;
      text-decoration: underline dotted;
    }
    .friend-links a:hover { opacity: 1; }
    @media (max-width: 768px) {
      .gradient-text { font-size: 2.5rem; }
      .hero { padding: 2rem 1.2rem; }
      .detail-panel { width: 100%; border-radius: 0; }
    }

/* --- 子页面追加 --- */
/* 本页专属补充样式 */
        .about-hero {
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--bg) 0%, #e8f0ff 100%);
            border-radius: 0 0 var(--radius) var(--radius);
        }
.about-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
        }
.about-hero .lead {
            font-size: 1.15rem;
            color: #3a4a6b;
            max-width: 680px;
            margin: 0 auto;
        }
.section-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--card-shadow);
        }
.section-card h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
.section-card h2 i {
            color: var(--primary);
            font-size: 1.3rem;
        }
.section-card p {
            color: #2a3b5c;
            line-height: 1.8;
            font-size: 0.98rem;
            margin-bottom: 16px;
        }
.section-card ul {
            padding-left: 20px;
            color: #2a3b5c;
            line-height: 1.9;
        }
.section-card ul li {
            margin-bottom: 8px;
        }
.feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 16px;
            margin-top: 20px;
        }
.feature-item {
            background: var(--bg);
            border-radius: 14px;
            padding: 20px 18px;
            border-left: 4px solid var(--primary);
            transition: background 0.2s ease;
        }
.feature-item:hover {
            background: #e8f0ff;
        }
.feature-item .feature-icon {
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 8px;
        }
.feature-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
.feature-item p {
            font-size: 0.9rem;
            color: #3a4a6b;
            margin-bottom: 0;
            line-height: 1.6;
        }
.timeline-item::before {
            content: '';
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            position: absolute;
            left: -6px;
            top: 6px;
        }
.timeline-item .year {
            font-weight: 700;
            color: var(--primary);
            font-size: 1rem;
            margin-bottom: 4px;
        }
.timeline-item p {
            font-size: 0.95rem;
        }
.stat-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
.stat-box {
            text-align: center;
            padding: 20px 12px;
            background: var(--bg);
            border-radius: 14px;
        }
.stat-box .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
.stat-box .stat-label {
            font-size: 0.85rem;
            color: #3a4a6b;
            margin-top: 4px;
        }
.about-footer-note {
            background: var(--primary);
            color: #ffffff;
            border-radius: var(--radius);
            padding: 40px 32px;
            text-align: center;
            margin: 40px 0 0;
        }
.about-footer-note h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
.about-footer-note p {
            opacity: 0.9;
            margin-bottom: 0;
            font-size: 1rem;
        }
.about-hero h1 {
                font-size: 2rem;
            }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.accordion-item { background:rgba(0,0,0,.03) !important; color:#0f1e3d !important; border-color:rgba(0,0,0,.12) !important; }
.accordion-button { background:rgba(0,0,0,.03) !important; color:#0f1e3d !important; }
.accordion-body { background:transparent !important; color:#0f1e3d !important; }
.accordion-header { background:transparent !important; }
