:root {
      --primary: #2563eb;
      --accent: #06b6d4;
      --bg: #f4f8ff;
      --text: #0f1e3d;
      --border-color: #dbe7f8;
      --card-radius: 0;
    }
    body {
      background-color: var(--bg);
      color: var(--text);
      font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      overflow-x: hidden;
    }
    h1, h2, h3, h4, h5, h6, .display-1, .display-2, .display-3, .display-4, .display-5 {
      font-family: 'Source Han Serif SC', 'Noto Serif SC', 'Songti SC', SimSun, serif;
      font-weight: 800;
      letter-spacing: 0.02em;
    }
    .font-serif {
      font-family: 'Source Han Serif SC', 'Noto Serif SC', 'Songti SC', serif;
    }
    .navbar, .navbar-brand, .footer-text, .badge, .btn, .cat-item {
      font-family: 'Inter', sans-serif;
    }
    /* 纯描边分割、无阴影 */
    .border-divider {
      border: 1px solid var(--border-color) !important;
    }
    .card-movie {
      background: transparent;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      transition: all 0.2s ease;
      overflow: hidden;
      position: relative;
      cursor: pointer;
      height: 100%;
    }
    .card-movie .poster-wrap {
      position: relative;
      aspect-ratio: 2 / 3;
      overflow: hidden;
      background: #eef4ff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2.5rem;
      color: #b0c8e5;
    }
    .card-movie img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }
    .card-movie:hover img {
      transform: scale(1.03);
    }
    .card-movie .poster-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(5, 15, 40, 0.8) 0%, transparent 60%);
      opacity: 0.8;
      transition: 0.2s;
    }
    .card-movie .play-btn {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%) scale(0.9);
      background: rgba(255,255,255,0.15);
      backdrop-filter: blur(3px);
      border: 1px solid rgba(255,255,255,0.6);
      border-radius: 50%;
      width: 50px;
      height: 50px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 20px;
      opacity: 0;
      transition: 0.2s;
      pointer-events: none;
    }
    .card-movie:hover .play-btn {
      opacity: 1;
      transform: translate(-50%, -50%) scale(1);
    }
    .card-movie .card-body {
      padding: 12px 10px;
      border-top: 1px solid var(--border-color);
      background: rgba(255,255,255,0.5);
      backdrop-filter: blur(5px);
    }
    .movie-title {
      font-weight: 600;
      font-size: 1rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .movie-meta {
      display: flex;
      justify-content: space-between;
      font-size: 0.75rem;
      color: #3a5478;
    }
    /* 错落卡片入场 */
    .card-movie {
      opacity: 0;
      transform: translateY(20px);
      animation: cardFadeIn 0.6s ease forwards;
      animation-delay: calc(var(--i, 0) * 0.07s);
    }
    @keyframes cardFadeIn {
      to { opacity: 1; transform: translateY(0); }
    }
    /* 横向滑动区 */
    .scroll-row {
      display: flex;
      gap: 16px;
      overflow-x: auto;
      padding-bottom: 10px;
      scroll-snap-type: x mandatory;
    }
    .scroll-row .col-flex {
      flex: 0 0 auto;
      width: 150px;
      scroll-snap-align: start;
    }
    @media (max-width: 768px) {
      .scroll-row .col-flex { width: 130px; }
    }
    /* 导航 */
    .navbar-custom {
      border-bottom: 1px solid var(--border-color);
      background: var(--bg);
    }
    .nav-link {
      color: var(--text);
      font-weight: 500;
    }
    .nav-link:hover { color: var(--primary); }
    /* 区块标题 */
    .section-title {
      border-left: 6px solid var(--primary);
      padding-left: 15px;
      margin: 1.8rem 0 1.2rem;
      font-weight: 800;
    }
    /* 统计数字 */
    .hero-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 2rem;
      margin: 2rem 0;
    }
    .stat-item {
      font-weight: 700;
      font-size: 2.2rem;
      color: var(--primary);
      line-height: 1.2;
    }
    .stat-label {
      color: var(--text);
      font-size: 0.8rem;
      letter-spacing: 0.08em;
    }
    /* 翻转卡片详情 */
    .flip-card {
      perspective: 1500px;
      position: relative;
    }
    .flip-inner {
      position: relative;
      width: 100%;
      height: 100%;
      transition: transform 0.5s;
      transform-style: preserve-3d;
    }
    .flip-card.flipped .flip-inner {
      transform: rotateY(180deg);
    }
    .flip-front, .flip-back {
      backface-visibility: hidden;
      -webkit-backface-visibility: hidden;
      border-radius: 0;
      overflow: hidden;
    }
    .flip-back {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      transform: rotateY(180deg);
      background: var(--bg);
      border: 1px solid var(--border-color);
      padding: 1rem;
      overflow-y: auto;
    }
    /* 表格对比 */
    .compare-table td, .compare-table th {
      border: 1px solid var(--border-color);
      padding: 12px;
    }
    .list-num {
      counter-reset: num;
    }
    .list-num li {
      counter-increment: num;
      list-style: none;
      margin-bottom: 0.6rem;
      position: relative;
      padding-left: 2.2rem;
    }
    .list-num li::before {
      content: counter(num) ".";
      position: absolute;
      left: 0;
      color: var(--primary);
      font-weight: 700;
      font-size: 1.2rem;
    }
    footer a {
      color: var(--text);
      text-decoration: none;
    }
    footer a:hover { color: var(--primary); }

/* --- 子页面追加 --- */
/* 本页专属样式 */
        .about-hero {
            background: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
            color: #fff;
            padding: 4rem 0;
            margin-bottom: 3rem;
        }
.about-hero h1 {
            font-weight: 800;
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
.about-hero p {
            font-size: 1.1rem;
            opacity: .95;
            max-width: 700px;
        }
.about-section {
            padding: 2.5rem 0;
            border-bottom: 1px solid var(--border-color);
        }
.about-section:last-child {
            border-bottom: none;
        }
.about-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: .75rem;
        }
.about-section h2 i {
            font-size: 1.5rem;
            color: var(--accent);
        }
.about-section h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text);
            margin: 1.5rem 0 .75rem;
        }
.about-section p {
            line-height: 1.8;
            color: #33415c;
            margin-bottom: 1rem;
        }
.about-section ul {
            padding-left: 1.25rem;
            margin-bottom: 1.5rem;
        }
.about-section ul li {
            margin-bottom: .5rem;
            line-height: 1.7;
            color: #33415c;
        }
.about-section .list-num {
            padding-left: 0;
            list-style: none;
            counter-reset: about-counter;
        }
.about-section .list-num li {
            counter-increment: about-counter;
            position: relative;
            padding-left: 2.5rem;
            margin-bottom: 1rem;
        }
.about-section .list-num li::before {
            content: counter(about-counter);
            position: absolute;
            left: 0;
            top: 2px;
            width: 1.75rem;
            height: 1.75rem;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .85rem;
            font-weight: 600;
        }
.about-highlight {
            background: #e8f0fe;
            border-left: 4px solid var(--primary);
            padding: 1.25rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
.about-highlight p:last-child {
            margin-bottom: 0;
        }
.about-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 1.5rem 0;
        }
.about-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 1.5rem;
            transition: box-shadow .3s ease;
        }
.about-card:hover {
            box-shadow: 0 8px 24px rgba(37, 99, 235, .08);
        }
.about-card i {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }
.about-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: .75rem;
            color: var(--text);
        }
.about-card p {
            font-size: .95rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
.about-hero {
                padding: 3rem 0;
            }
.about-hero h1 {
                font-size: 1.8rem;
            }
.about-section h2 {
                font-size: 1.4rem;
            }

/* --- 子页面追加 --- */
.disclaimer-section { padding: 3rem 0; }
.disclaimer-section h2 { 
            font-weight: 700; 
            color: var(--text); 
            margin-bottom: 1.5rem; 
            font-size: 1.5rem; 
            border-left: 4px solid var(--primary); 
            padding-left: 1rem; 
        }
.disclaimer-section p { 
            color: #4a5a7a; 
            line-height: 1.8; 
            margin-bottom: 1.2rem; 
        }
.disclaimer-section ul { 
            margin-bottom: 1.5rem; 
            padding-left: 1.5rem; 
        }
.disclaimer-section li { 
            color: #4a5a7a; 
            line-height: 1.8; 
            margin-bottom: 0.5rem; 
        }
.disclaimer-box {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 2rem;
            margin-bottom: 2rem;
        }
.disclaimer-box strong {
            color: var(--primary);
        }
.disclaimer-box a {
            color: var(--primary);
            text-decoration: none;
        }
.disclaimer-box a:hover {
            text-decoration: underline;
        }
.contact-box {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
            border: 1px solid var(--border-color);
            padding: 2rem;
            text-align: center;
        }
.contact-box h3 {
            color: var(--text);
            font-weight: 700;
            margin-bottom: 1rem;
        }
.contact-box p {
            color: #4a5a7a;
            margin-bottom: 0.5rem;
        }
.update-date {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 0.25rem 0.75rem;
            font-size: 0.85rem;
            margin-bottom: 1.5rem;
        }

/* --- Bootstrap 组件配色适配(程序自动补,避免白底黑字) --- */
.table { color:#0f1e3d !important; border-color:rgba(0,0,0,.12) !important; --bs-table-bg:transparent !important; --bs-table-color:#0f1e3d !important; }
.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; }