/* roulang page: index */
:root {
      --bg-base: #070B14;
      --bg-surface: #0D1527;
      --bg-card: rgba(15, 23, 42, 0.68);
      --bg-card-hover: rgba(24, 37, 65, 0.85);
      --primary: #00E5FF;
      --primary-glow: rgba(0, 229, 255, 0.45);
      --accent-purple: #7928CA;
      --accent-pink: #FF0080;
      --text-main: #FFFFFF;
      --text-sub: #E2E8F0;
      --text-muted: #94A3B8;
      --border-line: rgba(255, 255, 255, 0.08);
      --border-focus: rgba(0, 229, 255, 0.35);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --radius-xl: 24px;
      --shadow-glow: 0 0 25px rgba(0, 229, 255, 0.35);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      background-color: var(--bg-base);
      background-image: 
        radial-gradient(circle at 15% 10%, rgba(0, 229, 255, 0.07) 0%, transparent 45%),
        radial-gradient(circle at 85% 60%, rgba(121, 40, 202, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 90%, rgba(255, 0, 128, 0.05) 0%, transparent 55%);
      background-attachment: fixed;
      color: var(--text-sub);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部导航 Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(7, 11, 20, 0.82);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border-line);
      height: 76px;
      display: flex;
      align-items: center;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-logo-icon {
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 20px;
      box-shadow: 0 0 15px var(--primary-glow);
    }

    .brand-logo-text {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: 0.5px;
      display: flex;
      flex-direction: column;
    }

    .brand-logo-sub {
      font-size: 11px;
      color: var(--primary);
      font-weight: 400;
      letter-spacing: 1.5px;
      text-transform: uppercase;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 20px;
      list-style: none;
    }

    .nav-link {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-sub);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      position: relative;
    }

    .nav-link:hover, .nav-link.active {
      color: var(--primary);
      background: rgba(0, 229, 255, 0.06);
    }

    .header-action {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    /* 按钮规范 */
    .btn-glow {
      background: linear-gradient(135deg, #00C6FF, #0072FF);
      color: #fff;
      padding: 10px 22px;
      border-radius: 9999px;
      font-size: 14px;
      font-weight: 600;
      box-shadow: 0 0 18px rgba(0, 229, 255, 0.45);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      cursor: pointer;
    }

    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 28px rgba(0, 229, 255, 0.7);
      color: #fff;
    }

    .btn-ghost {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: var(--text-main);
      padding: 10px 22px;
      border-radius: 9999px;
      font-size: 14px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
    }

    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: var(--primary);
      color: var(--primary);
    }

    /* 板块通用布局 */
    .section-spacing {
      padding: 80px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      position: relative;
    }

    .section-title-wrap {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 52px;
    }

    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 14px;
      background: rgba(0, 229, 255, 0.08);
      border: 1px solid rgba(0, 229, 255, 0.25);
      border-radius: 9999px;
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 16px;
    }

    .section-heading {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* 玻璃拟态卡片 */
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-lg);
      padding: 30px;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .glass-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-focus);
      transform: translateY(-4px);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
    }

    /* 1. Hero 首屏视听矩阵区 */
    .hero-section {
      padding: 70px 0 90px;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .hero-banner-bg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.22;
      z-index: 1;
      filter: blur(2px);
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(7, 11, 20, 0.6) 0%, rgba(7, 11, 20, 0.95) 100%);
      z-index: 2;
    }

    .hero-content-wrap {
      position: relative;
      z-index: 3;
      max-width: 900px;
      margin: 0 auto;
      text-align: center;
    }

    .hero-title {
      font-size: 46px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 24px;
      letter-spacing: -0.5px;
    }

    .hero-title span {
      background: linear-gradient(135deg, #00E5FF 0%, #7928CA 60%, #FF0080 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 16px;
      color: var(--text-sub);
      line-height: 1.85;
      margin-bottom: 36px;
      padding: 0 10px;
    }

    .hero-btn-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 20px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }

    .hero-trust-bar {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 32px;
      font-size: 13px;
      color: var(--text-muted);
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
    }

    .hero-trust-item {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .hero-trust-item i {
      color: var(--primary);
    }

    /* 2. 亚洲电影分类专区入口矩阵（全站唯一分类页入口） */
    .category-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 20px;
    }

    .cat-entry-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .cat-entry-card:hover {
      border-color: var(--primary);
      transform: translateY(-5px);
      box-shadow: var(--shadow-glow);
    }

    .cat-icon-box {
      width: 54px;
      height: 54px;
      border-radius: 50%;
      background: rgba(0, 229, 255, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 22px;
      margin-bottom: 16px;
      border: 1px solid rgba(0, 229, 255, 0.2);
    }

    .cat-entry-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .cat-entry-count {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 14px;
    }

    .cat-entry-desc {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.5;
      margin-bottom: 18px;
    }

    .cat-entry-link {
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 3. 全景服务与观影矩阵 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .service-card-icon {
      font-size: 28px;
      color: var(--primary);
      margin-bottom: 18px;
    }

    .service-card-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .service-card-text {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
    }

    /* 4. 核心数据看板 */
    .stats-matrix {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .stat-card {
      background: rgba(13, 21, 39, 0.6);
      border: 1px solid rgba(0, 229, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 32px 20px;
      text-align: center;
      position: relative;
    }

    .stat-card::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 20%;
      right: 20%;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--primary), transparent);
    }

    .stat-number {
      font-size: 40px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 10px;
      font-family: monospace, sans-serif;
    }

    .stat-label {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .stat-desc {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 5. 方案流程 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .flow-step-item {
      position: relative;
      padding: 24px;
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
    }

    .step-badge {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      color: #fff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      margin-bottom: 16px;
    }

    .step-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .step-desc {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 6 & 7. 案例墙 1 & 2 */
    .showcase-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .film-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .film-card:hover {
      border-color: var(--primary);
      transform: translateY(-5px);
    }

    .film-cover-box {
      position: relative;
      height: 220px;
      overflow: hidden;
    }

    .film-cover-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .film-card:hover .film-cover-box img {
      transform: scale(1.05);
    }

    .film-format-badge {
      position: absolute;
      top: 14px;
      right: 14px;
      background: rgba(7, 11, 20, 0.85);
      border: 1px solid var(--primary);
      color: var(--primary);
      font-size: 11px;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 4px;
      backdrop-filter: blur(4px);
    }

    .film-body {
      padding: 22px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .film-meta-tags {
      display: flex;
      gap: 8px;
      margin-bottom: 12px;
      flex-wrap: wrap;
    }

    .film-tag {
      font-size: 11px;
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-muted);
      padding: 2px 8px;
      border-radius: 4px;
    }

    .film-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .film-intro {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 20px;
      flex: 1;
    }

    .film-footer-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 14px;
    }

    .film-action-link {
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 8. 学术资讯与影展前沿 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .news-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
    }

    .news-date {
      font-size: 12px;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 10px;
    }

    .news-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.45;
    }

    .news-excerpt {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.65;
      margin-bottom: 18px;
      flex: 1;
    }

    .news-bottom-link {
      font-size: 13px;
      color: var(--text-muted);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .news-bottom-link:hover {
      color: var(--primary);
    }

    .news-center-btn {
      text-align: center;
      margin-top: 40px;
    }

    /* 9. 多端分发与离线下载 */
    .download-panel-box {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(13, 21, 39, 0.95));
      border: 1px solid rgba(0, 229, 255, 0.25);
      border-radius: var(--radius-xl);
      padding: 48px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }

    .download-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .download-client-card {
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 28px;
      background: rgba(255, 255, 255, 0.02);
      text-align: center;
    }

    .client-icon {
      font-size: 36px;
      color: var(--primary);
      margin-bottom: 16px;
    }

    .client-name {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .client-spec {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 18px;
    }

    .client-desc {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 24px;
    }

    /* 10. 字幕与音轨技术规格 */
    .spec-matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .spec-item-box {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 22px;
    }

    .spec-tag-top {
      font-size: 11px;
      color: var(--accent-pink);
      font-weight: 700;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .spec-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .spec-text {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 11. 合作伙伴 */
    .partner-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
    }

    .partner-item {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: var(--radius-sm);
      padding: 16px 12px;
      text-align: center;
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
    }

    .partner-item:hover {
      color: var(--primary);
      border-color: rgba(0, 229, 255, 0.3);
      background: rgba(0, 229, 255, 0.04);
    }

    /* 12. FAQ 手风琴 */
    .faq-accordion-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      overflow: hidden;
    }

    .faq-question {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-question i {
      color: var(--primary);
      transition: transform 0.3s ease;
    }

    .faq-answer {
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.75;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding-top: 14px;
    }

    /* 13. 影迷与学者口碑背书 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testi-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-lg);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testi-text {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.8;
      margin-bottom: 24px;
      font-style: italic;
    }

    .testi-author-wrap {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .testi-avatar {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      color: #fff;
    }

    .testi-name {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }

    .testi-role {
      font-size: 12px;
      color: var(--primary);
    }

    /* 14. 安全播控保障条 */
    .guarantee-bar {
      background: rgba(13, 21, 39, 0.7);
      border: 1px solid rgba(0, 229, 255, 0.2);
      border-radius: var(--radius-lg);
      padding: 30px 40px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .guarantee-item {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .guarantee-icon {
      font-size: 26px;
      color: var(--primary);
      flex-shrink: 0;
    }

    .guarantee-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .guarantee-desc {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 15. 底部巨型 CTA */
    .cta-container {
      background: radial-gradient(circle at center, rgba(0, 229, 255, 0.15) 0%, rgba(13, 21, 39, 0.95) 75%);
      border: 1px solid var(--primary);
      border-radius: var(--radius-xl);
      padding: 64px 32px;
      text-align: center;
      box-shadow: 0 0 50px rgba(0, 229, 255, 0.2);
      position: relative;
      overflow: hidden;
    }

    .cta-heading {
      font-size: 36px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 18px;
      line-height: 1.3;
    }

    .cta-desc-text {
      font-size: 16px;
      color: var(--text-sub);
      max-width: 720px;
      margin: 0 auto 36px;
      line-height: 1.8;
    }

    .cta-btn-wrapper {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
    }

    /* 页脚 Footer */
    .site-footer {
      background: #05080E;
      border-top: 1px solid var(--border-line);
      padding: 64px 0 24px;
      margin-top: 40px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 48px;
    }

    .footer-col-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-top: 16px;
      max-width: 320px;
    }

    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: 0.5px;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-link-item a {
      font-size: 13px;
      color: var(--text-muted);
    }

    .footer-link-item a:hover {
      color: var(--primary);
      padding-left: 4px;
    }

    .footer-compliance-p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 12px;
    }

    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-muted);
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 移动端与响应式断点 */
    @media (max-width: 1024px) {
      .category-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .service-grid, .stats-matrix, .flow-steps, .spec-matrix-grid, .guarantee-bar {
        grid-template-columns: repeat(2, 1fr);
      }
      .partner-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .site-header {
        height: auto;
        padding: 14px 0;
      }
      .header-inner {
        flex-direction: column;
        gap: 14px;
      }
      .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
      }
      .hero-title {
        font-size: 32px;
      }
      .hero-trust-bar {
        flex-direction: column;
        gap: 12px;
      }
      .category-grid, .showcase-grid, .news-grid, .download-grid, .testimonial-grid {
        grid-template-columns: 1fr;
      }
      .service-grid, .stats-matrix, .flow-steps, .spec-matrix-grid, .guarantee-bar {
        grid-template-columns: 1fr;
      }
      .partner-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .footer-bottom-bar {
        flex-direction: column;
        text-align: center;
      }
      .download-panel-box {
        padding: 24px;
      }
      .cta-heading {
        font-size: 26px;
      }
    }

/* roulang page: category2 */
:root {
            --bg-base: #070B14;
            --bg-surface: #0D1527;
            --bg-card: rgba(15, 23, 42, 0.68);
            --bg-card-hover: rgba(24, 37, 65, 0.85);
            --primary: #00E5FF;
            --primary-glow: rgba(0, 229, 255, 0.45);
            --accent-purple: #7928CA;
            --accent-pink: #FF0080;
            --text-main: #FFFFFF;
            --text-sub: #E2E8F0;
            --text-muted: #94A3B8;
            --border-line: rgba(255, 255, 255, 0.08);
            --border-focus: rgba(0, 229, 255, 0.35);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-glow: 0 0 25px rgba(0, 229, 255, 0.35);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            background-color: var(--bg-base);
            background-image: 
                radial-gradient(circle at 15% 10%, rgba(0, 229, 255, 0.07) 0%, transparent 45%),
                radial-gradient(circle at 85% 60%, rgba(121, 40, 202, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 50% 90%, rgba(255, 0, 128, 0.05) 0%, transparent 55%);
            background-attachment: fixed;
            color: var(--text-sub);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部导航 Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(7, 11, 20, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-line);
            height: 76px;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .brand-logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--accent-purple));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            box-shadow: 0 0 15px var(--primary-glow);
        }

        .brand-logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            display: flex;
            flex-direction: column;
        }

        .brand-logo-sub {
            font-size: 11px;
            color: var(--primary);
            font-weight: 400;
            letter-spacing: 1.5px;
            text-transform: uppercase;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 18px;
            list-style: none;
        }

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            position: relative;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary);
            background: rgba(0, 229, 255, 0.08);
        }

        .header-action {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        /* 按钮规范 */
        .btn-glow {
            background: linear-gradient(135deg, #00C6FF, #0072FF);
            color: #fff;
            padding: 10px 22px;
            border-radius: 9999px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 0 18px rgba(0, 229, 255, 0.45);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
        }

        .btn-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(0, 229, 255, 0.7);
            color: #fff;
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-main);
            padding: 10px 22px;
            border-radius: 9999px;
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* 玻璃拟态卡片 */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .glass-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
            transform: translateY(-4px);
            box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
        }

        /* 页面区块通用样式 */
        .section-spacing {
            padding: 72px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            position: relative;
        }

        .section-title-wrap {
            margin-bottom: 42px;
        }

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            background: rgba(0, 229, 255, 0.08);
            border: 1px solid rgba(0, 229, 255, 0.25);
            border-radius: 9999px;
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .section-heading {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 820px;
        }

        /* 分类首屏筛选栏 */
        .cat-hero-banner {
            position: relative;
            padding: 64px 0 50px;
            background: linear-gradient(180deg, rgba(13, 21, 39, 0.8) 0%, rgba(7, 11, 20, 0.95) 100%);
            border-bottom: 1px solid var(--border-line);
        }

        .cat-hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.18;
            filter: blur(3px);
            z-index: 0;
        }

        .cat-hero-content {
            position: relative;
            z-index: 2;
        }

        .cat-tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 229, 255, 0.12);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 9999px;
            border: 1px solid rgba(0, 229, 255, 0.3);
            margin-bottom: 16px;
        }

        .cat-h1 {
            font-size: 38px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 16px;
            line-height: 1.25;
            letter-spacing: -0.5px;
        }

        .cat-h1-sub {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 880px;
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .filter-dock {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: rgba(15, 23, 42, 0.75);
            border: 1px solid var(--border-line);
            padding: 16px 24px;
            border-radius: var(--radius-md);
            backdrop-filter: blur(12px);
        }

        .filter-tags-group {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
        }

        .filter-chip {
            padding: 6px 14px;
            font-size: 13px;
            color: var(--text-sub);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 9999px;
            cursor: pointer;
            transition: var(--transition);
        }

        .filter-chip:hover, .filter-chip.active {
            background: rgba(0, 229, 255, 0.15);
            border-color: var(--primary);
            color: var(--primary);
        }

        .filter-stats {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .filter-stats b {
            color: var(--primary);
            font-weight: 700;
        }

        /* 焦点推荐网格 (3列) */
        .spotlight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .spotlight-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .spotlight-card:hover {
            border-color: var(--border-focus);
            transform: translateY(-6px);
            box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
        }

        .spotlight-media {
            position: relative;
            height: 260px;
            overflow: hidden;
            background: #000;
        }

        .spotlight-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .spotlight-card:hover .spotlight-img {
            transform: scale(1.05);
        }

        .spotlight-badge-pos {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(7, 11, 20, 0.85);
            border: 1px solid rgba(0, 229, 255, 0.35);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            font-size: 11px;
            font-weight: 700;
            backdrop-filter: blur(8px);
        }

        .spotlight-score {
            position: absolute;
            top: 14px;
            right: 14px;
            background: rgba(255, 0, 128, 0.85);
            color: #fff;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            font-size: 11px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .spotlight-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .spotlight-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .spotlight-meta-line {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .spotlight-text {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .spotlight-action {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--border-line);
        }

        .spec-tag {
            font-size: 11px;
            padding: 3px 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 4px;
            color: var(--text-muted);
        }

        /* 片库列表主体 (4-8个标准视听卡片，2列宽卡片) */
        .archive-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .archive-card {
            display: flex;
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .archive-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-focus);
            transform: translateY(-3px);
        }

        .archive-poster {
            width: 170px;
            min-width: 170px;
            position: relative;
            background: #050810;
        }

        .archive-poster img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .archive-info {
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            flex-grow: 1;
        }

        .archive-header {
            margin-bottom: 10px;
        }

        .archive-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .archive-subline {
            font-size: 12px;
            color: var(--primary);
            display: flex;
            gap: 12px;
        }

        .archive-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 16px;
        }

        .archive-meta-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 16px;
        }

        .archive-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 12px;
        }

        .btn-link-action {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-link-action:hover {
            color: #fff;
            text-shadow: 0 0 8px var(--primary);
        }

        /* 学术解析排版 (双列) */
        .scholar-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .scholar-figure {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-line);
        }

        .scholar-figure img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }

        .scholar-figure-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            background: rgba(7, 11, 20, 0.85);
            backdrop-filter: blur(12px);
            padding: 16px 20px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .scholar-prose h3 {
            font-size: 22px;
            color: var(--text-main);
            margin-bottom: 16px;
            font-weight: 700;
        }

        .scholar-prose p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .scholar-quote {
            border-left: 3px solid var(--primary);
            padding-left: 18px;
            margin: 20px 0;
            font-style: italic;
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 修复档案时间线 (Timeline) */
        .timeline-box {
            position: relative;
            padding-left: 32px;
            border-left: 2px solid rgba(0, 229, 255, 0.25);
            margin-left: 12px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 36px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: -40px;
            top: 4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--bg-base);
            border: 3px solid var(--primary);
            box-shadow: 0 0 10px var(--primary-glow);
        }

        .timeline-time {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            display: inline-block;
            background: rgba(0, 229, 255, 0.08);
            padding: 2px 10px;
            border-radius: 4px;
        }

        .timeline-content h4 {
            font-size: 17px;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .timeline-content p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* FAQ 手风琴面板 */
        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(0, 229, 255, 0.3);
        }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            user-select: none;
        }

        .faq-icon {
            font-size: 14px;
            color: var(--primary);
            transition: transform 0.3s ease;
        }

        .faq-answer {
            padding: 0 24px 22px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 16px;
        }

        /* 分类专属快速分发下载转化条 (CTA) */
        .cat-cta-container {
            background: linear-gradient(135deg, rgba(13, 21, 39, 0.95), rgba(24, 37, 65, 0.9));
            border: 1px solid rgba(0, 229, 255, 0.35);
            border-radius: var(--radius-xl);
            padding: 48px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }

        .cat-cta-left {
            max-width: 680px;
        }

        .cat-cta-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .cat-cta-desc {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .cat-cta-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .cat-cta-btn-wrap {
            display: flex;
            flex-direction: column;
            gap: 12px;
            min-width: 240px;
        }

        /* 统一页脚 Footer */
        .site-footer {
            background: #050810;
            border-top: 1px solid var(--border-line);
            padding: 60px 0 30px;
            color: var(--text-muted);
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-col-desc {
            font-size: 13px;
            line-height: 1.8;
            color: var(--text-muted);
            margin-bottom: 20px;
            max-width: 320px;
        }

        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .footer-links-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-link-item a {
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer-link-item a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-compliance-p {
            font-size: 12px;
            line-height: 1.7;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .footer-bottom-bar {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 12px;
        }

        /* 响应式断点控制 */
        @media (max-width: 1024px) {
            .spotlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .archive-list-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cat-cta-container {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .spotlight-grid {
                grid-template-columns: 1fr;
            }
            .scholar-layout {
                grid-template-columns: 1fr;
            }
            .archive-card {
                flex-direction: column;
            }
            .archive-poster {
                width: 100%;
                height: 220px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cat-h1 {
                font-size: 28px;
            }
            .filter-dock {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
:root {
      --bg-base: #070B14;
      --bg-surface: #0D1527;
      --bg-card: rgba(15, 23, 42, 0.68);
      --bg-card-hover: rgba(24, 37, 65, 0.85);
      --primary: #00E5FF;
      --primary-glow: rgba(0, 229, 255, 0.45);
      --accent-purple: #7928CA;
      --accent-pink: #FF0080;
      --text-main: #FFFFFF;
      --text-sub: #E2E8F0;
      --text-muted: #94A3B8;
      --border-line: rgba(255, 255, 255, 0.08);
      --border-focus: rgba(0, 229, 255, 0.35);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --radius-xl: 24px;
      --shadow-glow: 0 0 25px rgba(0, 229, 255, 0.35);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-base);
      background-image: 
        radial-gradient(circle at 15% 10%, rgba(0, 229, 255, 0.07) 0%, transparent 45%),
        radial-gradient(circle at 85% 60%, rgba(121, 40, 202, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 90%, rgba(255, 0, 128, 0.05) 0%, transparent 55%);
      background-attachment: fixed;
      color: var(--text-sub);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(7, 11, 20, 0.82);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border-line);
      height: 76px;
      display: flex;
      align-items: center;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-logo-icon {
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 20px;
      box-shadow: 0 0 15px var(--primary-glow);
    }
    .brand-logo-text {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: 0.5px;
      display: flex;
      flex-direction: column;
    }
    .brand-logo-sub {
      font-size: 11px;
      color: var(--primary);
      font-weight: 400;
      letter-spacing: 1.5px;
      text-transform: uppercase;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 20px;
      list-style: none;
    }
    .nav-link {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-sub);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
      background: rgba(0, 229, 255, 0.06);
    }
    .header-action {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn-glow {
      background: linear-gradient(135deg, #00C6FF, #0072FF);
      color: #fff;
      padding: 10px 22px;
      border-radius: 9999px;
      font-size: 14px;
      font-weight: 600;
      box-shadow: 0 0 18px rgba(0, 229, 255, 0.45);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      cursor: pointer;
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 28px rgba(0, 229, 255, 0.7);
      color: #fff;
    }
    .btn-ghost {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: var(--text-main);
      padding: 10px 22px;
      border-radius: 9999px;
      font-size: 14px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
    }
    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: var(--primary);
      color: var(--primary);
    }
    .section-spacing {
      padding: 76px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      position: relative;
    }
    .section-title-wrap {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 48px;
    }
    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 14px;
      background: rgba(0, 229, 255, 0.08);
      border: 1px solid rgba(0, 229, 255, 0.25);
      border-radius: 9999px;
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 16px;
    }
    .section-heading {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.35;
    }
    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
    }
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-lg);
      padding: 28px;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .glass-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-focus);
      transform: translateY(-4px);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
    }
    /* 分类首屏：安全合规主张与核验栏 */
    .cat-hero {
      position: relative;
      padding: 64px 0 54px;
      overflow: hidden;
      border-bottom: 1px solid var(--border-line);
    }
    .cat-hero-bg {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.18;
      z-index: 1;
      filter: blur(3px);
    }
    .cat-hero-mask {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(7, 11, 20, 0.85) 0%, rgba(7, 11, 20, 0.96) 100%);
      z-index: 2;
    }
    .cat-hero-content {
      position: relative;
      z-index: 3;
      max-width: 980px;
      margin: 0 auto;
      text-align: center;
    }
    .cat-hero h1 {
      font-size: 40px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }
    .cat-hero p.lead {
      font-size: 16px;
      color: var(--text-sub);
      line-height: 1.8;
      margin-bottom: 30px;
      max-width: 860px;
      margin-left: auto;
      margin-right: auto;
    }
    .cat-checklist {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 16px 28px;
      padding: 16px 24px;
      background: rgba(15, 23, 42, 0.7);
      border: 1px solid rgba(0, 229, 255, 0.2);
      border-radius: var(--radius-md);
      max-width: 860px;
      margin: 0 auto 30px;
    }
    .checklist-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-sub);
      font-weight: 500;
    }
    .checklist-item i {
      color: var(--primary);
      font-size: 15px;
    }
    .filter-pills-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 10px;
      margin-top: 24px;
    }
    .filter-pill {
      font-size: 13px;
      color: var(--text-muted);
      padding: 6px 14px;
      border-radius: 9999px;
      border: 1px solid var(--border-line);
      background: rgba(255, 255, 255, 0.03);
    }
    .filter-pill.active {
      color: var(--primary);
      border-color: var(--primary);
      background: rgba(0, 229, 255, 0.08);
      font-weight: 600;
    }
    /* 核心展映焦点网格 */
    .focus-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .focus-card {
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .focus-card:hover {
      transform: translateY(-5px);
      border-color: var(--border-focus);
      box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);
    }
    .focus-thumb-wrap {
      position: relative;
      height: 220px;
      overflow: hidden;
    }
    .focus-thumb {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
    }
    .focus-card:hover .focus-thumb {
      transform: scale(1.06);
    }
    .focus-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(7, 11, 20, 0.82);
      backdrop-filter: blur(8px);
      color: var(--primary);
      font-size: 11px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 4px;
      border: 1px solid rgba(0, 229, 255, 0.3);
    }
    .focus-score {
      position: absolute;
      bottom: 14px;
      right: 14px;
      background: rgba(255, 0, 128, 0.85);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .focus-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .focus-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .focus-meta {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 12px;
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .focus-meta span {
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .focus-desc {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    /* 主体片库矩阵 */
    .film-library-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 22px;
    }
    .film-item-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .film-item-card:hover {
      border-color: rgba(0, 229, 255, 0.4);
      background: var(--bg-card-hover);
      transform: translateY(-4px);
    }
    .film-poster {
      position: relative;
      height: 180px;
      overflow: hidden;
    }
    .film-poster img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .spec-badge {
      position: absolute;
      top: 10px;
      right: 10px;
      background: rgba(13, 21, 39, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.15);
      font-size: 10px;
      color: var(--primary);
      font-weight: 700;
      padding: 2px 6px;
      border-radius: 4px;
    }
    .film-item-body {
      padding: 18px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .film-item-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .film-item-info {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 12px;
      line-height: 1.5;
    }
    .film-specs-row {
      display: flex;
      gap: 6px;
      margin-bottom: 16px;
      flex-wrap: wrap;
    }
    .film-spec-tag {
      font-size: 11px;
      padding: 2px 6px;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 4px;
      color: var(--text-sub);
    }
    .film-btn-action {
      margin-top: auto;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 8px 12px;
      background: rgba(0, 229, 255, 0.08);
      border: 1px solid rgba(0, 229, 255, 0.3);
      color: var(--primary);
      border-radius: var(--radius-sm);
      font-size: 13px;
      font-weight: 600;
    }
    .film-btn-action:hover {
      background: var(--primary);
      color: #070B14;
    }
    /* 学术脉络深度双列区块 */
    .context-split-wrap {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }
    .context-info h3 {
      font-size: 26px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
      line-height: 1.4;
    }
    .context-info p {
      font-size: 15px;
      color: var(--text-sub);
      line-height: 1.8;
      margin-bottom: 16px;
    }
    .context-feature-box {
      background: rgba(13, 21, 39, 0.6);
      border-left: 3px solid var(--primary);
      padding: 16px 20px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      margin-top: 20px;
      font-size: 14px;
      color: var(--text-muted);
    }
    .context-stats-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    .context-stat-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 22px;
      text-align: center;
    }
    .context-stat-num {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
      font-family: monospace;
    }
    .context-stat-label {
      font-size: 13px;
      color: var(--text-muted);
    }
    /* 时间线：修复与策展纪事 */
    .timeline-container {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
      padding-left: 32px;
    }
    .timeline-container::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 11px;
      width: 2px;
      background: linear-gradient(180deg, var(--primary), var(--accent-purple), transparent);
    }
    .timeline-node {
      position: relative;
      margin-bottom: 36px;
    }
    .timeline-dot {
      position: absolute;
      left: -32px;
      top: 4px;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--bg-surface);
      border: 2px solid var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 10px var(--primary-glow);
    }
    .timeline-dot::after {
      content: '';
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
    }
    .timeline-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 20px 24px;
    }
    .timeline-time {
      font-size: 12px;
      color: var(--primary);
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 6px;
    }
    .timeline-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .timeline-desc {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
    }
    /* 分类手风琴 FAQ */
    .faq-wrapper {
      max-width: 840px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: var(--border-focus);
    }
    .faq-trigger {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      background: transparent;
      border: none;
      color: var(--text-main);
      font-size: 16px;
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }
    .faq-trigger i {
      font-size: 14px;
      color: var(--primary);
      transition: transform 0.3s ease;
    }
    .faq-answer {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.8;
      display: block;
    }
    /* 专区打包下载转化条 */
    .cat-cta-banner {
      background: linear-gradient(135deg, rgba(13, 21, 39, 0.95), rgba(7, 11, 20, 0.95));
      border: 1px solid rgba(0, 229, 255, 0.35);
      border-radius: var(--radius-xl);
      padding: 48px;
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6), inset 0 0 30px rgba(0, 229, 255, 0.05);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 36px;
    }
    .cat-cta-text h3 {
      font-size: 28px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .cat-cta-text p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      max-width: 650px;
    }
    .cat-cta-actions {
      display: flex;
      flex-direction: column;
      gap: 12px;
      min-width: 240px;
    }
    /* 页脚 Footer */
    .site-footer {
      background: #04070D;
      border-top: 1px solid var(--border-line);
      padding: 64px 0 28px;
      color: var(--text-muted);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-col-desc {
      font-size: 14px;
      line-height: 1.8;
      color: var(--text-muted);
    }
    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: 0.5px;
    }
    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-link-item a {
      font-size: 14px;
      color: var(--text-muted);
    }
    .footer-link-item a:hover {
      color: var(--primary);
    }
    .footer-compliance-p {
      font-size: 13px;
      line-height: 1.7;
      margin-bottom: 12px;
    }
    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 13px;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .focus-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .film-library-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .cat-cta-banner {
        flex-direction: column;
        text-align: center;
        padding: 36px 24px;
      }
      .cat-cta-actions {
        width: 100%;
        max-width: 320px;
      }
    }
    @media (max-width: 768px) {
      .nav-menu {
        display: none;
      }
      .cat-hero h1 {
        font-size: 28px;
      }
      .section-heading {
        font-size: 24px;
      }
      .focus-grid {
        grid-template-columns: 1fr;
      }
      .film-library-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .context-split-wrap {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .cat-checklist {
        flex-direction: column;
        align-items: flex-start;
      }
    }
    @media (max-width: 520px) {
      .film-library-grid {
        grid-template-columns: 1fr;
      }
      .context-stats-grid {
        grid-template-columns: 1fr;
      }
      .cat-hero {
        padding: 40px 0 32px;
      }
      .section-spacing {
        padding: 50px 0;
      }
    }

/* roulang page: category3 */
:root {
    --bg-base: #070B14;
    --bg-surface: #0D1527;
    --bg-card: rgba(15, 23, 42, 0.68);
    --bg-card-hover: rgba(24, 37, 65, 0.85);
    --primary: #00E5FF;
    --primary-glow: rgba(0, 229, 255, 0.45);
    --accent-purple: #7928CA;
    --accent-pink: #FF0080;
    --text-main: #FFFFFF;
    --text-sub: #E2E8F0;
    --text-muted: #94A3B8;
    --border-line: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(0, 229, 255, 0.35);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --shadow-glow: 0 0 25px rgba(0, 229, 255, 0.35);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  body {
    background-color: var(--bg-base);
    background-image: 
      radial-gradient(circle at 15% 10%, rgba(0, 229, 255, 0.07) 0%, transparent 45%),
      radial-gradient(circle at 85% 60%, rgba(121, 40, 202, 0.08) 0%, transparent 50%),
      radial-gradient(circle at 50% 90%, rgba(255, 0, 128, 0.05) 0%, transparent 55%);
    background-attachment: fixed;
    color: var(--text-sub);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }
  a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
  }
  img {
    max-width: 100%;
    height: auto;
    display: block;
  }
  .container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
  }
  .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(7, 11, 20, 0.88);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border-line);
    height: 76px;
    display: flex;
    align-items: center;
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  .brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .brand-logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    box-shadow: 0 0 15px var(--primary-glow);
  }
  .brand-logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: 0.5px;
    display: flex;
    flex-direction: column;
  }
  .brand-logo-sub {
    font-size: 11px;
    color: var(--primary);
    font-weight: 400;
    letter-spacing: 1.5px;
    text-transform: uppercase;
  }
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 16px;
    list-style: none;
  }
  .nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-sub);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    position: relative;
  }
  .nav-link:hover, .nav-link.active {
    color: var(--primary);
    background: rgba(0, 229, 255, 0.08);
  }
  .header-action {
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .btn-glow {
    background: linear-gradient(135deg, #00C6FF, #0072FF);
    color: #fff;
    padding: 10px 22px;
    border-radius: 9999px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 0 18px rgba(0, 229, 255, 0.45);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
  }
  .btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 28px rgba(0, 229, 255, 0.7);
    color: #fff;
  }
  .btn-ghost {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-main);
    padding: 9px 20px;
    border-radius: 9999px;
    font-size: 13px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
  }
  .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--primary);
    color: var(--primary);
  }
  .glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
  }
  .glass-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-focus);
    transform: translateY(-4px);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
  }
  .section-spacing {
    padding: 72px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
  }
  .section-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 14px;
    background: rgba(0, 229, 255, 0.08);
    border: 1px solid rgba(0, 229, 255, 0.25);
    border-radius: 9999px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
  }
  .category-hero {
    padding: 64px 0 54px;
    background: linear-gradient(180deg, rgba(13, 21, 39, 0.8) 0%, rgba(7, 11, 20, 0.95) 100%);
    border-bottom: 1px solid var(--border-line);
    position: relative;
  }
  .category-hero-content {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: center;
  }
  .category-h1 {
    font-size: 38px;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.25;
    margin-bottom: 18px;
  }
  .category-lead {
    font-size: 16px;
    color: var(--text-sub);
    line-height: 1.8;
    margin-bottom: 24px;
  }
  .filter-tags-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
  }
  .filter-tag {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    font-size: 13px;
    padding: 6px 14px;
    border-radius: 9999px;
    transition: var(--transition);
  }
  .filter-tag:hover, .filter-tag.active {
    background: rgba(0, 229, 255, 0.12);
    border-color: var(--primary);
    color: var(--primary);
  }
  .stats-compact-box {
    background: rgba(15, 23, 42, 0.75);
    border: 1px solid var(--border-focus);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  }
  .stats-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 14px;
  }
  .stats-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
  .stats-value {
    color: var(--primary);
    font-weight: 700;
    font-family: monospace, sans-serif;
    font-size: 15px;
  }
  .grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .spotlight-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-line);
    transition: var(--transition);
  }
  .spotlight-card:hover {
    border-color: var(--border-focus);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 229, 255, 0.15);
  }
  .spotlight-img-wrap {
    height: 240px;
    overflow: hidden;
    position: relative;
  }
  .spotlight-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
  }
  .spotlight-card:hover .spotlight-img {
    transform: scale(1.06);
  }
  .spotlight-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(7, 11, 20, 0.85);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 700;
    backdrop-filter: blur(8px);
  }
  .spotlight-score {
    position: absolute;
    top: 14px;
    right: 14px;
    background: linear-gradient(135deg, #FF0080, #7928CA);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
  }
  .spotlight-body {
    padding: 22px;
  }
  .film-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
  }
  .film-meta-sub {
    font-size: 12px;
    color: var(--primary);
    margin-bottom: 12px;
    display: flex;
    gap: 10px;
  }
  .film-desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
  }
  .card-media-item {
    background: var(--bg-card);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
  }
  .card-media-item:hover {
    border-color: var(--border-focus);
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
  }
  .media-thumb-box {
    position: relative;
    height: 170px;
    overflow: hidden;
  }
  .media-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .media-quality-tag {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.75);
    color: #00E5FF;
    border: 1px solid rgba(0, 229, 255, 0.3);
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
  }
  .media-content-box {
    padding: 18px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
  }
  .media-heading {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 6px;
  }
  .media-spec-line {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
  }
  .media-action-row {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
  }
  .audio-pill {
    font-size: 11px;
    background: rgba(121, 40, 202, 0.18);
    border: 1px solid rgba(121, 40, 202, 0.4);
    color: #D8B4FE;
    padding: 2px 8px;
    border-radius: 4px;
  }
  .analysis-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: center;
  }
  .analysis-text-block h3 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 16px;
    line-height: 1.35;
  }
  .analysis-text-block p {
    font-size: 15px;
    color: var(--text-sub);
    line-height: 1.8;
    margin-bottom: 18px;
  }
  .timeline-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 32px;
    border-left: 2px solid rgba(0, 229, 255, 0.25);
  }
  .timeline-node {
    position: relative;
    margin-bottom: 36px;
  }
  .timeline-node:last-child {
    margin-bottom: 0;
  }
  .timeline-dot {
    position: absolute;
    left: -40px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 12px var(--primary-glow);
    border: 2px solid #070B14;
  }
  .timeline-year {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
    letter-spacing: 0.5px;
  }
  .timeline-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
  }
  .timeline-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
  }
  .faq-accordion {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-line);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
  }
  .faq-item:hover {
    border-color: var(--border-focus);
  }
  .faq-question {
    padding: 18px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
  }
  .faq-answer {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.75;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 14px;
  }
  .category-cta-box {
    background: linear-gradient(135deg, rgba(13, 21, 39, 0.95), rgba(24, 37, 65, 0.85));
    border: 1px solid var(--border-focus);
    border-radius: var(--radius-xl);
    padding: 56px 40px;
    text-align: center;
    position: relative;
    box-shadow: 0 20px 50px rgba(0, 229, 255, 0.12);
  }
  .site-footer {
    background: #050810;
    border-top: 1px solid var(--border-line);
    padding: 60px 0 30px;
    font-size: 14px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 48px;
  }
  .footer-col-desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.75;
    margin-top: 14px;
  }
  .footer-col-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
  }
  .footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .footer-link-item a {
    color: var(--text-muted);
    font-size: 13px;
  }
  .footer-link-item a:hover {
    color: var(--primary);
    padding-left: 4px;
  }
  .footer-compliance-p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 12px;
  }
  .footer-bottom-bar {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-muted);
  }
  @media (max-width: 1024px) {
    .grid-4 {
      grid-template-columns: repeat(2, 1fr);
    }
    .grid-3 {
      grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .category-hero-content {
      grid-template-columns: 1fr;
    }
  }
  @media (max-width: 768px) {
    .site-header {
      height: auto;
      padding: 14px 0;
    }
    .header-inner {
      flex-wrap: wrap;
      gap: 16px;
    }
    .nav-menu {
      overflow-x: auto;
      width: 100%;
      padding-bottom: 6px;
    }
    .grid-3, .grid-4 {
      grid-template-columns: 1fr;
    }
    .analysis-grid {
      grid-template-columns: 1fr;
    }
    .category-h1 {
      font-size: 28px;
    }
    .footer-grid {
      grid-template-columns: 1fr;
    }
    .footer-bottom-bar {
      flex-direction: column;
      gap: 12px;
      text-align: center;
    }
  }

/* roulang page: category4 */
:root {
      --bg-base: #070B14;
      --bg-surface: #0D1527;
      --bg-card: rgba(15, 23, 42, 0.68);
      --bg-card-hover: rgba(24, 37, 65, 0.85);
      --primary: #00E5FF;
      --primary-glow: rgba(0, 229, 255, 0.45);
      --accent-purple: #7928CA;
      --accent-pink: #FF0080;
      --text-main: #FFFFFF;
      --text-sub: #E2E8F0;
      --text-muted: #94A3B8;
      --border-line: rgba(255, 255, 255, 0.08);
      --border-focus: rgba(0, 229, 255, 0.35);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --radius-xl: 24px;
      --shadow-glow: 0 0 25px rgba(0, 229, 255, 0.35);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-base);
      background-image: 
        radial-gradient(circle at 15% 10%, rgba(0, 229, 255, 0.07) 0%, transparent 45%),
        radial-gradient(circle at 85% 60%, rgba(121, 40, 202, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 90%, rgba(255, 0, 128, 0.05) 0%, transparent 55%);
      background-attachment: fixed;
      color: var(--text-sub);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部导航 Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(7, 11, 20, 0.82);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border-line);
      height: 76px;
      display: flex;
      align-items: center;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-logo-icon {
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 20px;
      box-shadow: 0 0 15px var(--primary-glow);
    }
    .brand-logo-text {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: 0.5px;
      display: flex;
      flex-direction: column;
    }
    .brand-logo-sub {
      font-size: 11px;
      color: var(--primary);
      font-weight: 400;
      letter-spacing: 1.5px;
      text-transform: uppercase;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 20px;
      list-style: none;
    }
    .nav-link {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-sub);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
      background: rgba(0, 229, 255, 0.06);
    }
    .header-action {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    /* 按钮规范 */
    .btn-glow {
      background: linear-gradient(135deg, #00C6FF, #0072FF);
      color: #fff;
      padding: 10px 22px;
      border-radius: 9999px;
      font-size: 14px;
      font-weight: 600;
      box-shadow: 0 0 18px rgba(0, 229, 255, 0.45);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      cursor: pointer;
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 28px rgba(0, 229, 255, 0.7);
      color: #fff;
    }
    .btn-ghost {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: var(--text-main);
      padding: 10px 22px;
      border-radius: 9999px;
      font-size: 14px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
    }
    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: var(--primary);
      color: var(--primary);
    }

    /* 板块通用 */
    .section-spacing {
      padding: 70px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      position: relative;
    }
    .section-title-wrap {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 46px;
    }
    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 14px;
      background: rgba(0, 229, 255, 0.08);
      border: 1px solid rgba(0, 229, 255, 0.25);
      border-radius: 9999px;
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 16px;
    }
    .section-heading {
      font-size: 30px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.35;
    }
    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.8;
    }
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-lg);
      padding: 26px;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .glass-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-focus);
      transform: translateY(-4px);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
    }

    /* 1. 分类专属 Hero: 试用申请与资格申领版式 */
    .category-hero {
      padding: 60px 0 75px;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .hero-bg-img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.2;
      z-index: 1;
      filter: saturate(1.2) contrast(1.1);
    }
    .hero-overlay-mask {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(7, 11, 20, 0.75) 0%, rgba(7, 11, 20, 0.94) 80%, var(--bg-base) 100%);
      z-index: 2;
    }
    .category-hero .container {
      position: relative;
      z-index: 3;
    }
    .hero-trial-layout {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }
    .hero-tagline {
      font-size: 13px;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 2px;
      font-weight: 700;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .hero-h1 {
      font-size: 38px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
    }
    .hero-h1 span {
      background: linear-gradient(90deg, #00E5FF, #7928CA);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-summary-text {
      font-size: 16px;
      color: var(--text-sub);
      line-height: 1.8;
      margin-bottom: 28px;
    }
    .hero-badges-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 30px;
    }
    .badge-pill {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      padding: 6px 14px;
      border-radius: 9999px;
      font-size: 13px;
      color: var(--text-sub);
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .badge-pill i {
      color: var(--primary);
    }
    /* 试用申领卡片 */
    .trial-form-card {
      background: rgba(13, 21, 39, 0.85);
      border: 1px solid rgba(0, 229, 255, 0.3);
      border-radius: var(--radius-xl);
      padding: 32px;
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
      position: relative;
    }
    .trial-form-card::before {
      content: "";
      position: absolute;
      top: -1px;
      left: 20%;
      right: 20%;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--primary), transparent);
    }
    .trial-header {
      margin-bottom: 20px;
    }
    .trial-header h3 {
      font-size: 20px;
      color: var(--text-main);
      font-weight: 700;
      margin-bottom: 6px;
    }
    .trial-header p {
      font-size: 13px;
      color: var(--text-muted);
    }
    .trial-form-group {
      margin-bottom: 16px;
    }
    .trial-form-group label {
      display: block;
      font-size: 12px;
      font-weight: 600;
      color: var(--text-sub);
      margin-bottom: 6px;
    }
    .trial-input {
      width: 100%;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-line);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      color: var(--text-main);
      font-size: 13px;
      outline: none;
      transition: var(--transition);
    }
    .trial-input:focus {
      border-color: var(--primary);
      background: rgba(0, 229, 255, 0.03);
    }
    .trial-select {
      width: 100%;
      background: #0B1220;
      border: 1px solid var(--border-line);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      color: var(--text-main);
      font-size: 13px;
      outline: none;
    }
    .trial-btn-submit {
      width: 100%;
      margin-top: 10px;
      padding: 12px;
      justify-content: center;
    }
    .trial-perks {
      margin-top: 18px;
      padding-top: 14px;
      border-top: 1px dashed rgba(255, 255, 255, 0.1);
      display: flex;
      justify-content: space-between;
      font-size: 11px;
      color: var(--text-muted);
    }

    /* 筛选导航条 */
    .filter-sticky-bar {
      background: rgba(13, 21, 39, 0.7);
      backdrop-filter: blur(12px);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 16px 24px;
      margin-bottom: 36px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .filter-tags-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
    }
    .filter-label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
      margin-right: 6px;
    }
    .filter-btn {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-line);
      color: var(--text-sub);
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      font-size: 12px;
      cursor: pointer;
      transition: var(--transition);
    }
    .filter-btn.active, .filter-btn:hover {
      background: rgba(0, 229, 255, 0.1);
      border-color: var(--primary);
      color: var(--primary);
    }
    .filter-counter {
      font-size: 13px;
      color: var(--text-muted);
    }
    .filter-counter span {
      color: var(--primary);
      font-weight: 700;
    }

    /* 2. 焦点视听网格 */
    .spotlight-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .spotlight-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .spotlight-card:hover {
      border-color: var(--border-focus);
      transform: translateY(-6px);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
    }
    .spotlight-img-wrap {
      position: relative;
      width: 100%;
      height: 240px;
      overflow: hidden;
    }
    .spotlight-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }
    .spotlight-card:hover .spotlight-img-wrap img {
      transform: scale(1.08);
    }
    .spotlight-badge-corner {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(7, 11, 20, 0.85);
      border: 1px solid var(--primary);
      color: var(--primary);
      padding: 3px 10px;
      border-radius: 9999px;
      font-size: 11px;
      font-weight: 700;
      backdrop-filter: blur(8px);
    }
    .spotlight-meta-rating {
      position: absolute;
      bottom: 12px;
      right: 12px;
      background: rgba(0, 0, 0, 0.75);
      color: #FFD700;
      padding: 4px 8px;
      border-radius: var(--radius-sm);
      font-size: 12px;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .spotlight-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .spotlight-origin {
      font-size: 12px;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .spotlight-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .spotlight-synopsis {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .spotlight-specs {
      display: flex;
      gap: 8px;
      margin-bottom: 18px;
      flex-wrap: wrap;
    }
    .spec-item {
      font-size: 11px;
      background: rgba(255, 255, 255, 0.05);
      padding: 2px 8px;
      border-radius: 4px;
      color: var(--text-sub);
    }
    .spotlight-actions {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 14px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .link-detail {
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 5px;
    }
    .link-detail:hover {
      text-decoration: underline;
    }

    /* 3. 多维分类视听矩阵主体 */
    .archive-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .archive-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .archive-card:hover {
      border-color: var(--border-focus);
      transform: translateY(-4px);
    }
    .archive-thumb {
      height: 180px;
      position: relative;
      overflow: hidden;
    }
    .archive-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .archive-card:hover .archive-thumb img {
      transform: scale(1.06);
    }
    .archive-label-country {
      position: absolute;
      top: 10px;
      right: 10px;
      background: rgba(0, 0, 0, 0.7);
      color: #fff;
      font-size: 10px;
      padding: 2px 8px;
      border-radius: 4px;
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .archive-content {
      padding: 18px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .archive-meta-sub {
      font-size: 11px;
      color: var(--text-muted);
      margin-bottom: 6px;
    }
    .archive-movie-name {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      line-height: 1.35;
    }
    .archive-director {
      font-size: 12px;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .archive-foot-act {
      margin-top: auto;
      padding-top: 12px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .badge-resolution {
      font-size: 11px;
      color: #10B981;
      font-weight: 600;
      background: rgba(16, 185, 129, 0.1);
      padding: 2px 6px;
      border-radius: 4px;
    }

    /* 4. 创作脉络与学术解析 */
    .academic-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .academic-panel-text h3 {
      font-size: 24px;
      color: var(--text-main);
      font-weight: 700;
      margin-bottom: 18px;
      line-height: 1.35;
    }
    .academic-panel-text p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.85;
      margin-bottom: 16px;
    }
    .aesthetic-features-list {
      list-style: none;
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .feature-item {
      display: flex;
      gap: 14px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-line);
      padding: 14px 18px;
      border-radius: var(--radius-md);
    }
    .feature-icon {
      font-size: 20px;
      color: var(--primary);
      flex-shrink: 0;
      margin-top: 2px;
    }
    .feature-desc h5 {
      font-size: 15px;
      color: var(--text-main);
      font-weight: 600;
      margin-bottom: 4px;
    }
    .feature-desc p {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 0;
      line-height: 1.6;
    }

    /* 5. 修复纪事时间线 */
    .timeline-wrap {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
      padding-left: 30px;
    }
    .timeline-wrap::before {
      content: "";
      position: absolute;
      top: 0;
      bottom: 0;
      left: 8px;
      width: 2px;
      background: linear-gradient(180deg, var(--primary), var(--accent-purple), transparent);
    }
    .timeline-node {
      position: relative;
      margin-bottom: 36px;
    }
    .timeline-dot {
      position: absolute;
      left: -30px;
      top: 6px;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--bg-base);
      border: 3px solid var(--primary);
      box-shadow: 0 0 10px var(--primary-glow);
    }
    .timeline-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 20px 24px;
    }
    .timeline-year {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      background: rgba(0, 229, 255, 0.1);
      padding: 2px 10px;
      border-radius: 9999px;
      margin-bottom: 8px;
    }
    .timeline-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .timeline-text {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.75;
    }

    /* 6. 分类专属 FAQ 手风琴 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: var(--border-focus);
    }
    .faq-question {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-question i {
      color: var(--primary);
      transition: transform 0.3s ease;
    }
    .faq-answer {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
      display: block;
    }

    /* 7. 分类专属快速分发下载转化条 */
    .download-strip-card {
      background: linear-gradient(135deg, rgba(13, 21, 39, 0.95), rgba(24, 37, 65, 0.85));
      border: 1px solid var(--primary-glow);
      border-radius: var(--radius-xl);
      padding: 40px;
      position: relative;
      overflow: hidden;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    }
    .download-strip-card::after {
      content: "";
      position: absolute;
      top: -50%;
      right: -10%;
      width: 320px;
      height: 320px;
      background: radial-gradient(circle, rgba(0, 229, 255, 0.15) 0%, transparent 70%);
      pointer-events: none;
    }
    .strip-flex-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: relative;
      z-index: 2;
      gap: 30px;
    }
    .strip-info h3 {
      font-size: 26px;
      color: var(--text-main);
      font-weight: 700;
      margin-bottom: 10px;
    }
    .strip-info p {
      font-size: 14px;
      color: var(--text-sub);
      max-width: 680px;
      line-height: 1.75;
    }
    .strip-actions {
      display: flex;
      flex-direction: column;
      gap: 10px;
      flex-shrink: 0;
    }
    .strip-specs-note {
      font-size: 11px;
      color: var(--text-muted);
      text-align: center;
    }

    /* 页脚 Footer 规范与样式 */
    .site-footer {
      background: #05080F;
      border-top: 1px solid var(--border-line);
      padding: 60px 0 28px;
      color: var(--text-muted);
      font-size: 13px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 45px;
    }
    .footer-col-desc {
      font-size: 13px;
      line-height: 1.8;
      color: var(--text-muted);
      margin-top: 12px;
    }
    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
    }
    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-link-item a {
      color: var(--text-muted);
    }
    .footer-link-item a:hover {
      color: var(--primary);
      padding-left: 4px;
    }
    .footer-compliance-p {
      font-size: 12px;
      line-height: 1.75;
      margin-bottom: 12px;
    }
    .footer-bottom-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 12px;
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .hero-trial-layout {
        grid-template-columns: 1fr;
      }
      .spotlight-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .archive-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .academic-layout {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .strip-flex-wrap {
        flex-direction: column;
        align-items: flex-start;
      }
    }
    @media (max-width: 768px) {
      .site-header {
        height: auto;
        padding: 14px 0;
      }
      .header-inner {
        flex-direction: column;
        gap: 14px;
      }
      .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
      }
      .spotlight-grid {
        grid-template-columns: 1fr;
      }
      .archive-grid {
        grid-template-columns: 1fr;
      }
      .hero-h1 {
        font-size: 28px;
      }
      .section-heading {
        font-size: 24px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom-bar {
        flex-direction: column;
        text-align: center;
      }
    }

/* roulang page: category5 */
:root {
        --bg-base: #070B14;
        --bg-surface: #0D1527;
        --bg-card: rgba(15, 23, 42, 0.68);
        --bg-card-hover: rgba(24, 37, 65, 0.85);
        --primary: #00E5FF;
        --primary-glow: rgba(0, 229, 255, 0.45);
        --accent-purple: #7928CA;
        --accent-pink: #FF0080;
        --text-main: #FFFFFF;
        --text-sub: #E2E8F0;
        --text-muted: #94A3B8;
        --border-line: rgba(255, 255, 255, 0.08);
        --border-focus: rgba(0, 229, 255, 0.35);
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 18px;
        --radius-xl: 24px;
        --shadow-glow: 0 0 25px rgba(0, 229, 255, 0.35);
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    body {
        background-color: var(--bg-base);
        background-image: 
            radial-gradient(circle at 15% 10%, rgba(0, 229, 255, 0.07) 0%, transparent 45%),
            radial-gradient(circle at 85% 60%, rgba(121, 40, 202, 0.08) 0%, transparent 50%),
            radial-gradient(circle at 50% 90%, rgba(255, 0, 128, 0.05) 0%, transparent 55%);
        background-attachment: fixed;
        color: var(--text-sub);
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        line-height: 1.65;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: var(--transition);
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    .container {
        width: 100%;
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 24px;
    }

    /* 顶部导航 Header */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(7, 11, 20, 0.85);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border-bottom: 1px solid var(--border-line);
        height: 76px;
        display: flex;
        align-items: center;
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
    }

    .brand-logo {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .brand-logo-icon {
        width: 42px;
        height: 42px;
        background: linear-gradient(135deg, var(--primary), var(--accent-purple));
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 20px;
        box-shadow: 0 0 15px var(--primary-glow);
    }

    .brand-logo-text {
        font-size: 20px;
        font-weight: 700;
        color: var(--text-main);
        letter-spacing: 0.5px;
        display: flex;
        flex-direction: column;
    }

    .brand-logo-sub {
        font-size: 11px;
        color: var(--primary);
        font-weight: 400;
        letter-spacing: 1.5px;
        text-transform: uppercase;
    }

    .nav-menu {
        display: flex;
        align-items: center;
        gap: 18px;
        list-style: none;
    }

    .nav-link {
        font-size: 14px;
        font-weight: 500;
        color: var(--text-sub);
        padding: 8px 12px;
        border-radius: var(--radius-sm);
        position: relative;
    }

    .nav-link:hover, .nav-link.active {
        color: var(--primary);
        background: rgba(0, 229, 255, 0.08);
        border: 1px solid rgba(0, 229, 255, 0.2);
    }

    .header-action {
        display: flex;
        align-items: center;
        gap: 16px;
    }

    /* 按钮规范 */
    .btn-glow {
        background: linear-gradient(135deg, #00C6FF, #0072FF);
        color: #fff;
        padding: 10px 22px;
        border-radius: 9999px;
        font-size: 14px;
        font-weight: 600;
        box-shadow: 0 0 18px rgba(0, 229, 255, 0.45);
        display: inline-flex;
        align-items: center;
        gap: 8px;
        border: 1px solid rgba(255, 255, 255, 0.2);
        cursor: pointer;
    }

    .btn-glow:hover {
        transform: translateY(-2px);
        box-shadow: 0 0 28px rgba(0, 229, 255, 0.7);
        color: #fff;
    }

    .btn-ghost {
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.15);
        color: var(--text-main);
        padding: 10px 22px;
        border-radius: 9999px;
        font-size: 14px;
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        cursor: pointer;
    }

    .btn-ghost:hover {
        background: rgba(255, 255, 255, 0.12);
        border-color: var(--primary);
        color: var(--primary);
    }

    /* 通用板块与玻璃卡片 */
    .section-spacing {
        padding: 80px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        position: relative;
    }

    .glass-card {
        background: var(--bg-card);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: 1px solid var(--border-line);
        border-radius: var(--radius-lg);
        padding: 28px;
        transition: var(--transition);
        position: relative;
        overflow: hidden;
    }

    .glass-card:hover {
        background: var(--bg-card-hover);
        border-color: var(--border-focus);
        transform: translateY(-4px);
        box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
    }

    .badge-pill {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 4px 12px;
        background: rgba(0, 229, 255, 0.1);
        border: 1px solid rgba(0, 229, 255, 0.25);
        border-radius: 9999px;
        color: var(--primary);
        font-size: 12px;
        font-weight: 600;
    }

    .badge-format {
        display: inline-block;
        padding: 3px 8px;
        background: rgba(121, 40, 202, 0.25);
        border: 1px solid rgba(121, 40, 202, 0.4);
        color: #d8b4fe;
        font-size: 11px;
        border-radius: 4px;
        font-weight: 600;
    }

    /* 1. 分类专属头部与筛选工具栏 */
    .category-hero {
        position: relative;
        padding: 60px 0 40px;
        background: linear-gradient(180deg, rgba(13, 21, 39, 0.7) 0%, transparent 100%);
        border-bottom: 1px solid var(--border-line);
    }

    .category-hero-header {
        max-width: 900px;
        margin-bottom: 36px;
    }

    .category-title {
        font-size: 38px;
        font-weight: 800;
        color: var(--text-main);
        line-height: 1.25;
        margin: 14px 0 16px;
        letter-spacing: -0.5px;
    }

    .category-title span {
        background: linear-gradient(90deg, var(--primary), #a855f7);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .category-intro {
        font-size: 16px;
        color: var(--text-muted);
        line-height: 1.8;
    }

    .filter-dashboard {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 16px;
        margin-top: 24px;
        background: rgba(15, 23, 42, 0.45);
        padding: 20px;
        border-radius: var(--radius-md);
        border: 1px solid var(--border-line);
    }

    .filter-item-group {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .filter-item-label {
        font-size: 12px;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    .filter-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .filter-btn {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.1);
        color: var(--text-sub);
        font-size: 12px;
        padding: 5px 12px;
        border-radius: 6px;
        cursor: pointer;
        transition: var(--transition);
    }

    .filter-btn:hover, .filter-btn.active {
        background: rgba(0, 229, 255, 0.15);
        color: var(--primary);
        border-color: var(--primary);
    }

    /* 2. 核心焦点网格 (3列大卡) */
    .featured-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
        margin-top: 36px;
    }

    .featured-card {
        display: flex;
        flex-direction: column;
        height: 100%;
        background: var(--bg-card);
        border: 1px solid var(--border-line);
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: var(--transition);
    }

    .featured-card:hover {
        transform: translateY(-6px);
        border-color: var(--primary);
        box-shadow: 0 16px 36px rgba(0, 229, 255, 0.15);
    }

    .featured-img-wrap {
        position: relative;
        width: 100%;
        height: 260px;
        overflow: hidden;
    }

    .featured-img-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.6s ease;
    }

    .featured-card:hover .featured-img-wrap img {
        transform: scale(1.05);
    }

    .featured-spec-floating {
        position: absolute;
        bottom: 12px;
        left: 12px;
        right: 12px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 2;
    }

    .featured-content {
        padding: 24px;
        display: flex;
        flex-direction: column;
        flex-grow: 1;
    }

    .featured-title {
        font-size: 20px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 8px;
    }

    .featured-meta {
        font-size: 13px;
        color: var(--text-muted);
        margin-bottom: 14px;
        display: flex;
        gap: 12px;
    }

    .featured-desc {
        font-size: 14px;
        color: var(--text-sub);
        line-height: 1.7;
        margin-bottom: 20px;
        flex-grow: 1;
    }

    /* 3. 修复电影卡片列表主体 */
    .catalog-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 22px;
        margin-top: 36px;
    }

    .catalog-card {
        background: var(--bg-card);
        border: 1px solid var(--border-line);
        border-radius: var(--radius-md);
        overflow: hidden;
        display: flex;
        flex-direction: column;
        transition: var(--transition);
    }

    .catalog-card:hover {
        border-color: rgba(0, 229, 255, 0.4);
        transform: translateY(-4px);
    }

    .catalog-thumb {
        position: relative;
        height: 180px;
        overflow: hidden;
    }

    .catalog-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .catalog-body {
        padding: 18px;
        display: flex;
        flex-direction: column;
        flex-grow: 1;
    }

    .catalog-title {
        font-size: 16px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 6px;
    }

    .catalog-director {
        font-size: 12px;
        color: var(--text-muted);
        margin-bottom: 12px;
    }

    .catalog-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        margin-bottom: 16px;
    }

    .catalog-action-btn {
        margin-top: auto;
        padding: 8px 14px;
        font-size: 13px;
        border-radius: 6px;
        background: rgba(0, 229, 255, 0.08);
        border: 1px solid rgba(0, 229, 255, 0.25);
        color: var(--primary);
        text-align: center;
        font-weight: 600;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
    }

    .catalog-action-btn:hover {
        background: var(--primary);
        color: #070B14;
    }

    /* 4. 学术脉络解析双列 */
    .analysis-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
    }

    .analysis-content h3 {
        font-size: 26px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 18px;
    }

    .analysis-content p {
        font-size: 15px;
        color: var(--text-muted);
        line-height: 1.8;
        margin-bottom: 18px;
    }

    .spec-check-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 12px;
        margin-top: 10px;
    }

    .spec-check-item {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 14px;
        color: var(--text-sub);
    }

    .spec-check-item i {
        color: var(--primary);
    }

    /* 5. 数字修复年度编年史 Timeline */
    .timeline-container {
        position: relative;
        max-width: 900px;
        margin: 40px auto 0;
        padding-left: 32px;
        border-left: 2px solid rgba(0, 229, 255, 0.2);
    }

    .timeline-node {
        position: relative;
        margin-bottom: 40px;
    }

    .timeline-node:last-child {
        margin-bottom: 0;
    }

    .timeline-marker {
        position: absolute;
        left: -41px;
        top: 0;
        width: 16px;
        height: 16px;
        border-radius: 50%;
        background: var(--primary);
        box-shadow: 0 0 12px var(--primary);
        border: 3px solid #070B14;
    }

    .timeline-year {
        display: inline-block;
        font-size: 12px;
        font-weight: 700;
        color: var(--primary);
        background: rgba(0, 229, 255,0.1);
        padding: 2px 10px;
        border-radius: 4px;
        margin-bottom: 8px;
    }

    .timeline-card {
        background: var(--bg-card);
        border: 1px solid var(--border-line);
        border-radius: var(--radius-md);
        padding: 20px;
    }

    .timeline-title {
        font-size: 17px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 8px;
    }

    .timeline-desc {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
    }

    /* 6. FAQ 手风琴面板 */
    .faq-container {
        max-width: 860px;
        margin: 36px auto 0;
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .faq-item {
        background: var(--bg-card);
        border: 1px solid var(--border-line);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: var(--transition);
    }

    .faq-item:hover {
        border-color: rgba(0, 229, 255, 0.3);
    }

    .faq-question {
        padding: 20px 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        cursor: pointer;
        font-size: 16px;
        font-weight: 600;
        color: var(--text-main);
        user-select: none;
    }

    .faq-question i {
        color: var(--primary);
        transition: transform 0.3s ease;
    }

    .faq-answer {
        padding: 0 24px 20px;
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.8;
    }

    /* 7. 分类专属 CTA 快速分发卡 */
    .category-cta-card {
        background: linear-gradient(135deg, rgba(13, 21, 39, 0.95), rgba(15, 23, 42, 0.95));
        border: 1px solid rgba(0, 229, 255, 0.35);
        box-shadow: 0 0 35px rgba(0, 229, 255, 0.15);
        border-radius: var(--radius-xl);
        padding: 48px;
        text-align: center;
        position: relative;
        overflow: hidden;
    }

    .category-cta-card::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle, rgba(0, 229, 255, 0.08) 0%, transparent 60%);
        pointer-events: none;
    }

    .cta-heading {
        font-size: 30px;
        font-weight: 800;
        color: var(--text-main);
        margin-bottom: 14px;
    }

    .cta-subtext {
        font-size: 15px;
        color: var(--text-muted);
        max-width: 680px;
        margin: 0 auto 28px;
        line-height: 1.8;
    }

    .cta-action-group {
        display: flex;
        justify-content: center;
        gap: 16px;
        flex-wrap: wrap;
    }

    /* 页脚 Footer 规范 */
    .site-footer {
        background: #05080f;
        border-top: 1px solid var(--border-line);
        padding: 70px 0 30px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1.2fr 1.2fr 1.6fr;
        gap: 40px;
        margin-bottom: 50px;
    }

    .footer-col-desc {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.8;
        max-width: 320px;
    }

    .footer-col-title {
        font-size: 15px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 20px;
        letter-spacing: 0.5px;
    }

    .footer-links-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .footer-link-item a {
        font-size: 13px;
        color: var(--text-muted);
    }

    .footer-link-item a:hover {
        color: var(--primary);
    }

    .footer-compliance-p {
        font-size: 13px;
        color: var(--text-muted);
        line-height: 1.7;
        margin-bottom: 12px;
    }

    .footer-bottom-bar {
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        padding-top: 26px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 12px;
        color: var(--text-muted);
        flex-wrap: wrap;
        gap: 12px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
        .catalog-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .featured-grid {
            grid-template-columns: 1fr;
        }
        .analysis-grid {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 768px) {
        .nav-menu {
            display: none;
        }
        .catalog-grid {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr;
        }
        .category-title {
            font-size: 28px;
        }
        .category-cta-card {
            padding: 30px 20px;
        }
    }