/* roulang page: index */
:root {
      --primary: #E11D48;
      --primary-hover: #BE123C;
      --primary-light: #FFE4E6;
      --secondary: #0F172A;
      --accent-purple: #7C3AED;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 9999px;
      --shadow-sm: 0 4px 16px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 14px 28px -4px rgba(225, 29, 72, 0.12);
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
      background-color: var(--bg-white);
      color: var(--text-body);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

    img {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: var(--radius-sm);
    }

    /* 顶部频道 Tabs 双层导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }
    .nav-top-row {
      padding: 14px 0;
      border-bottom: 1px solid #F1F5F9;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: var(--secondary);
      letter-spacing: -0.5px;
    }
    .brand-logo .logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
      box-shadow: 0 4px 10px rgba(225, 29, 72, 0.25);
    }
    .brand-logo span {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .nav-search {
      position: relative;
      width: 100%;
      max-width: 320px;
    }
    .nav-search input {
      width: 100%;
      height: 40px;
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-pill);
      padding: 0 16px 0 40px;
      font-size: 14px;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
      margin-bottom: 0;
    }
    .nav-search input:focus {
      border-color: var(--primary);
      background: #FFF;
      box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.15);
    }
    .nav-search i {
      position: absolute;
      left: 15px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 14px;
    }
    .nav-cta-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary);
      color: #FFF !important;
      padding: 9px 22px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 14px rgba(225, 29, 72, 0.28);
      transition: var(--transition);
    }
    .nav-cta-btn:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(225, 29, 72, 0.38);
    }

    .nav-tabs-row {
      padding: 8px 0;
      overflow-x: auto;
      white-space: nowrap;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
    }
    .nav-tabs-row::-webkit-scrollbar { display: none; }
    .channel-pills {
      display: flex;
      gap: 8px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .channel-pills li a {
      display: inline-block;
      padding: 6px 18px;
      font-size: 13px;
      font-weight: 500;
      color: var(--text-body);
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-pill);
      transition: var(--transition);
    }
    .channel-pills li a:hover,
    .channel-pills li.active a {
      background: var(--primary);
      color: #FFF;
      border-color: var(--primary);
    }

    /* 统一 Section 排版 */
    .section-block {
      padding: 84px 0;
      position: relative;
    }
    .bg-light-stripe {
      background-color: var(--bg-light);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      margin-bottom: 48px;
    }
    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 14px;
      border-radius: var(--radius-pill);
      background: var(--primary-light);
      color: var(--primary);
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--secondary);
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 720px;
      line-height: 1.8;
      margin-bottom: 0;
    }

    /* Hero：直播预告封面 + 开播倒计时 + 提醒订阅 */
    .hero-broadcast {
      position: relative;
      padding: 80px 0 90px;
      background-color: var(--secondary);
      color: #FFF;
      background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.88)), url('/assets/images/91504d10d26719fd.jpg');
      background-size: cover;
      background-position: center;
      overflow: hidden;
    }
    .hero-badge-live {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      background: rgba(225, 29, 72, 0.2);
      border: 1px solid rgba(225, 29, 72, 0.5);
      color: #FECDD3;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 18px;
    }
    .hero-badge-live .pulse-dot {
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 0 0 rgba(225, 29, 72, 0.7);
      animation: pulse 1.6s infinite;
    }
    @keyframes pulse {
      0% { box-shadow: 0 0 0 0 rgba(225, 29, 72, 0.8); }
      70% { box-shadow: 0 0 0 8px rgba(225, 29, 72, 0); }
      100% { box-shadow: 0 0 0 0 rgba(225, 29, 72, 0); }
    }
    .hero-h1 {
      font-size: 44px;
      font-weight: 900;
      color: #FFF;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }
    .hero-summary {
      font-size: 16px;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 32px;
      max-width: 620px;
    }
    .countdown-container {
      display: flex;
      gap: 16px;
      margin-bottom: 36px;
    }
    .countdown-item {
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 12px 20px;
      text-align: center;
      min-width: 80px;
    }
    .countdown-val {
      font-size: 28px;
      font-weight: 800;
      color: #FFF;
      font-variant-numeric: tabular-nums;
      display: block;
      line-height: 1.1;
    }
    .countdown-lbl {
      font-size: 12px;
      color: #94A3B8;
      text-transform: uppercase;
      margin-top: 4px;
    }
    .hero-action-group {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
    }
    .btn-main-action {
      background: var(--primary);
      color: #FFF !important;
      padding: 13px 30px;
      font-size: 15px;
      font-weight: 700;
      border-radius: var(--radius-pill);
      box-shadow: 0 8px 24px rgba(225, 29, 72, 0.35);
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }
    .btn-main-action:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
    }
    .btn-sub-action {
      background: rgba(255, 255, 255, 0.1);
      color: #FFF !important;
      border: 1px solid rgba(255, 255, 255, 0.25);
      padding: 13px 26px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-pill);
      backdrop-filter: blur(6px);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-sub-action:hover {
      background: rgba(255, 255, 255, 0.18);
      border-color: #FFF;
    }

    .hero-card-preview {
      background: rgba(15, 23, 42, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-lg);
      padding: 18px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
      position: relative;
    }
    .hero-cover-wrap {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-md);
      aspect-ratio: 16 / 10;
    }
    .hero-cover-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .cover-status-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(6px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      font-size: 12px;
      color: #FFF;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .hero-preview-meta {
      margin-top: 16px;
    }
    .hero-preview-meta h3 {
      font-size: 18px;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 6px;
    }
    .hero-preview-meta p {
      font-size: 13px;
      color: #94A3B8;
      margin-bottom: 0;
    }

    /* 通用现代卡片样式 */
    .modern-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .modern-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(225, 29, 72, 0.3);
    }
    .card-icon-bubble {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 18px;
    }
    .card-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 10px;
    }
    .card-text {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 0;
      flex-grow: 1;
    }

    /* 板块 2：内容日历 */
    .calendar-card {
      border-left: 4px solid var(--primary);
      padding: 20px 22px;
      background: #FFF;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      margin-bottom: 16px;
      border: 1px solid var(--border-color);
      border-left-width: 4px;
      border-left-color: var(--primary);
      transition: var(--transition);
    }
    .calendar-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateX(4px);
    }
    .calendar-time {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 4px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .calendar-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 6px;
    }

    /* 板块 3：核心指标条 */
    .stats-card-grid {
      text-align: center;
      padding: 28px 20px;
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }
    .stats-num {
      font-size: 40px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
      font-variant-numeric: tabular-nums;
    }
    .stats-label {
      font-size: 14px;
      font-weight: 600;
      color: var(--secondary);
      margin-bottom: 4px;
    }
    .stats-sub {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 0;
    }

    /* 板块 4：热门专题不对称布局 */
    .featured-big-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      height: 100%;
    }
    .featured-big-card .img-box {
      height: 280px;
      overflow: hidden;
    }
    .featured-big-card .img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .featured-big-card:hover .img-box img {
      transform: scale(1.04);
    }
    .featured-big-content {
      padding: 28px;
    }

    /* 板块 5：手势与离线功能 */
    .feature-point-item {
      display: flex;
      gap: 16px;
      margin-bottom: 22px;
    }
    .feature-point-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-size: 18px;
    }

    /* 板块 6：图文交替使用场景 */
    .scenario-pic-wrap {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
    }
    .scenario-check-list {
      list-style: none;
      margin: 20px 0 0;
      padding: 0;
    }
    .scenario-check-list li {
      position: relative;
      padding-left: 28px;
      margin-bottom: 12px;
      font-size: 15px;
      color: var(--text-body);
    }
    .scenario-check-list li i {
      position: absolute;
      left: 0;
      top: 4px;
      color: var(--primary);
      font-size: 15px;
    }

    /* 板块 7：资讯与更新列表 */
    .news-card-horizontal {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      display: flex;
      gap: 16px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      height: 100%;
    }
    .news-card-horizontal:hover {
      box-shadow: var(--shadow-hover);
      border-color: rgba(225, 29, 72, 0.3);
      transform: translateY(-2px);
    }
    .news-thumb {
      width: 120px;
      height: 85px;
      flex-shrink: 0;
      overflow: hidden;
      border-radius: var(--radius-sm);
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-info {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-info .tag {
      font-size: 11px;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 2px 8px;
      border-radius: 4px;
      width: fit-content;
    }
    .news-info .title {
      font-size: 15px;
      font-weight: 700;
      color: var(--secondary);
      line-height: 1.4;
      margin: 6px 0 4px;
    }
    .news-info .date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 0;
    }

    /* 板块 8：交互截图画廊 */
    .gallery-track {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 20px;
    }
    .gallery-item {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .gallery-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .gallery-item .pic-box {
      aspect-ratio: 16 / 10;
      overflow: hidden;
    }
    .gallery-item .pic-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .gallery-item:hover .pic-box img {
      transform: scale(1.05);
    }
    .gallery-content {
      padding: 16px;
    }
    .gallery-content h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 6px;
    }
    .gallery-content p {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 0;
      line-height: 1.6;
    }

    /* 板块 9：机型性能跑分对比表格 */
    .table-container {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      margin-bottom: 0;
    }
    .custom-table th {
      background: var(--bg-light);
      padding: 16px 20px;
      font-size: 14px;
      font-weight: 700;
      color: var(--secondary);
      border-bottom: 1px solid var(--border-color);
    }
    .custom-table td {
      padding: 16px 20px;
      font-size: 14px;
      color: var(--text-body);
      border-bottom: 1px solid var(--border-color);
    }
    .custom-table tr:last-child td { border-bottom: none; }
    .badge-status {
      display: inline-block;
      padding: 2px 10px;
      border-radius: var(--radius-pill);
      font-size: 12px;
      font-weight: 600;
    }
    .badge-green { background: #DCFCE7; color: #166534; }
    .badge-blue { background: #E0E7FF; color: #3730A3; }

    /* 板块 10：VIP 服务权益配置阶梯 */
    .pricing-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      position: relative;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .pricing-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 10px 30px rgba(225, 29, 72, 0.15);
      transform: scale(1.02);
    }
    .pricing-badge {
      position: absolute;
      top: -14px;
      right: 24px;
      background: var(--primary);
      color: #FFF;
      padding: 4px 14px;
      border-radius: var(--radius-pill);
      font-size: 12px;
      font-weight: 700;
    }
    .pricing-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--secondary);
      margin-bottom: 8px;
    }
    .pricing-price {
      font-size: 36px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
      margin: 16px 0 20px;
    }
    .pricing-price span {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
    }
    .pricing-features {
      list-style: none;
      margin: 0 0 24px;
      padding: 0;
      flex-grow: 1;
    }
    .pricing-features li {
      padding: 8px 0;
      font-size: 14px;
      color: var(--text-body);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .pricing-features li i {
      color: #10B981;
      font-size: 14px;
    }
    .btn-pricing {
      width: 100%;
      text-align: center;
      padding: 12px 0;
      border-radius: var(--radius-pill);
      font-size: 14px;
      font-weight: 700;
      transition: var(--transition);
    }
    .btn-pricing.primary {
      background: var(--primary);
      color: #FFF;
    }
    .btn-pricing.primary:hover {
      background: var(--primary-hover);
    }
    .btn-pricing.outline {
      background: transparent;
      border: 1px solid var(--border-color);
      color: var(--secondary);
    }
    .btn-pricing.outline:hover {
      background: var(--bg-light);
      border-color: var(--secondary);
    }

    /* 板块 11：用户评价墙 */
    .review-bubble {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-stars {
      color: #F59E0B;
      font-size: 14px;
      margin-bottom: 12px;
    }
    .review-quote {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 18px;
    }
    .review-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
    }
    .user-avatar-tag {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
    }
    .user-detail h5 {
      font-size: 14px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 2px;
    }
    .user-detail p {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 0;
    }

    /* 板块 12：媒体合作与行业口碑 */
    .media-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      height: 100%;
    }
    .media-logo-tag {
      font-size: 16px;
      font-weight: 800;
      color: var(--secondary);
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
    }
    .media-logo-tag i {
      color: var(--primary);
    }
    .media-card p {
      font-size: 13px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 0;
    }

    /* 板块 13：iOS 签名与证书实时状态看板 */
    .status-dashboard-box {
      background: var(--secondary);
      border-radius: var(--radius-lg);
      padding: 32px 36px;
      color: #FFF;
      box-shadow: 0 10px 30px rgba(15, 23, 42, 0.15);
    }
    .status-node-item {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 18px 20px;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .status-indicator {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .status-light-green {
      width: 10px;
      height: 10px;
      background: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 8px #10B981;
    }

    /* 板块 14：4步安装授权时序图 */
    .step-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      box-shadow: var(--shadow-sm);
      height: 100%;
    }
    .step-num {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--primary);
      color: #FFF;
      font-size: 16px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }
    .step-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 13px;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 0;
    }

    /* 板块 15：FAQ 手风琴折叠 */
    .faq-accordion-item {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .faq-header {
      padding: 18px 22px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 16px;
      font-weight: 700;
      color: var(--secondary);
      background: #FFF;
      transition: var(--transition);
    }
    .faq-header:hover {
      background: var(--bg-light);
      color: var(--primary);
    }
    .faq-content {
      padding: 0 22px 18px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.75;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
    }

    /* 板块 16：底部转化收官行动区 */
    .cta-banner-wrapper {
      background: linear-gradient(135deg, var(--secondary) 0%, #1E1B4B 50%, var(--primary) 100%);
      border-radius: var(--radius-lg);
      padding: 64px 36px;
      color: #FFF;
      text-align: center;
      position: relative;
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(225, 29, 72, 0.2);
    }
    .cta-title {
      font-size: 34px;
      font-weight: 900;
      color: #FFF;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .cta-desc {
      font-size: 16px;
      color: #E2E8F0;
      max-width: 660px;
      margin: 0 auto 32px;
      line-height: 1.8;
    }
    .cta-btn-group {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* 全局页脚 */
    .site-footer {
      background: #0B0F19;
      color: #94A3B8;
      padding: 72px 0 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }
    .footer-brand {
      font-size: 20px;
      font-weight: 800;
      color: #FFF;
      margin-bottom: 16px;
      display: inline-block;
    }
    .footer-desc {
      font-size: 13px;
      line-height: 1.8;
      color: #64748B;
      margin-bottom: 20px;
    }
    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #94A3B8;
      transition: var(--transition);
      font-size: 13px;
    }
    .footer-links a:hover {
      color: #FFF;
      padding-left: 4px;
    }
    .footer-bottom-bar {
      margin-top: 56px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      text-align: center;
      font-size: 13px;
      color: #475569;
    }

    /* 移动端适配响应式微调 */
    @media screen and (max-width: 768px) {
      .hero-h1 { font-size: 30px; }
      .section-title { font-size: 24px; }
      .section-block { padding: 50px 0; }
      .countdown-container { gap: 8px; }
      .countdown-item { min-width: 65px; padding: 10px 12px; }
      .countdown-val { font-size: 22px; }
      .nav-search { display: none; }
      .cta-banner-wrapper { padding: 40px 20px; }
      .cta-title { font-size: 24px; }
    }

/* roulang page: category2 */
:root {
      --primary: #E11D48;
      --primary-hover: #BE123C;
      --primary-light: #FFE4E6;
      --secondary: #0F172A;
      --accent-purple: #7C3AED;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 9999px;
      --shadow-sm: 0 4px 16px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 14px 28px -4px rgba(225, 29, 72, 0.12);
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
      background-color: var(--bg-white);
      color: var(--text-body);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    a:hover { color: var(--primary); }
    img {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: var(--radius-sm);
    }
    /* 顶部频道 Tabs 双层导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }
    .nav-top-row {
      padding: 14px 0;
      border-bottom: 1px solid #F1F5F9;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: var(--secondary);
      letter-spacing: -0.5px;
    }
    .brand-logo .logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
      box-shadow: 0 4px 10px rgba(225, 29, 72, 0.25);
    }
    .brand-logo span {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .nav-search {
      position: relative;
      width: 100%;
      max-width: 320px;
    }
    .nav-search input {
      width: 100%;
      height: 40px;
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-pill);
      padding: 0 16px 0 40px;
      font-size: 14px;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
      margin-bottom: 0;
    }
    .nav-search input:focus {
      border-color: var(--primary);
      background: #FFF;
      box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.15);
    }
    .nav-search i {
      position: absolute;
      left: 15px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 14px;
    }
    .nav-cta-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary);
      color: #FFF !important;
      padding: 9px 22px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 14px rgba(225, 29, 72, 0.28);
      transition: var(--transition);
    }
    .nav-cta-btn:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(225, 29, 72, 0.38);
    }
    .nav-tabs-row {
      padding: 8px 0;
      overflow-x: auto;
      white-space: nowrap;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
    }
    .nav-tabs-row::-webkit-scrollbar { display: none; }
    .channel-pills {
      display: flex;
      gap: 8px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .channel-pills li a {
      display: inline-block;
      padding: 6px 18px;
      font-size: 13px;
      font-weight: 500;
      color: var(--text-body);
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-pill);
      transition: var(--transition);
    }
    .channel-pills li a:hover,
    .channel-pills li.active a {
      background: var(--primary);
      color: #FFF;
      border-color: var(--primary);
    }

    /* 分类页定制视觉与板块 */
    .cat-header-section {
      background: linear-gradient(180deg, #FFF1F2 0%, var(--bg-white) 100%);
      padding: 44px 0 32px;
      border-bottom: 1px solid #FFE4E6;
    }
    .cat-breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 16px;
    }
    .cat-breadcrumb a { color: var(--text-muted); }
    .cat-breadcrumb a:hover { color: var(--primary); }
    .cat-title-wrap {
      display: flex;
      flex-wrap: wrap;
      align-items: flex-end;
      justify-content: space-between;
      gap: 20px;
    }
    .cat-h1 {
      font-size: 34px;
      font-weight: 800;
      color: var(--secondary);
      margin: 0 0 10px;
      letter-spacing: -0.5px;
    }
    .cat-summary {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0;
      line-height: 1.7;
    }
    .cat-stats-chips {
      display: flex;
      gap: 12px;
    }
    .chip-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-pill);
      padding: 6px 16px;
      font-size: 13px;
      font-weight: 600;
      color: var(--secondary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      box-shadow: 0 2px 6px rgba(0,0,0,0.02);
    }
    .chip-item i { color: var(--primary); }

    /* 筛选控制条板块 */
    .filter-bar-section {
      background: #FFFFFF;
      padding: 18px 0;
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 106px;
      z-index: 900;
      box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    }
    .filter-bar-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }
    .filter-group {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }
    .filter-label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
      margin-right: 4px;
    }
    .filter-btn {
      padding: 5px 14px;
      font-size: 13px;
      border-radius: 6px;
      background: var(--bg-light);
      color: var(--text-body);
      border: 1px solid var(--border-color);
      cursor: pointer;
      transition: var(--transition);
    }
    .filter-btn:hover, .filter-btn.active {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
    }
    .view-toggle-wrap {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 核心媒体卡片矩阵 */
    .media-grid-section {
      padding: 50px 0;
      background-color: var(--bg-light);
    }
    .media-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
      margin-bottom: 28px;
    }
    .media-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: #FECDD3;
    }
    .media-thumb-box {
      position: relative;
      aspect-ratio: 16 / 9;
      background: #1E293B;
      overflow: hidden;
    }
    .media-thumb-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 0;
      transition: transform 0.4s ease;
    }
    .media-card:hover .media-thumb-box img {
      transform: scale(1.04);
    }
    .thumb-tag-top {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(15, 23, 42, 0.82);
      color: #FFFFFF;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      backdrop-filter: blur(4px);
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .thumb-tag-quality {
      position: absolute;
      top: 10px;
      right: 10px;
      background: var(--primary);
      color: #FFFFFF;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
    }
    .thumb-meta-bottom {
      position: absolute;
      bottom: 8px;
      left: 10px;
      right: 10px;
      display: flex;
      justify-content: space-between;
      color: #F8FAFC;
      font-size: 12px;
      text-shadow: 0 1px 3px rgba(0,0,0,0.8);
    }
    .media-content {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .media-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--secondary);
      line-height: 1.4;
      margin-bottom: 8px;
    }
    .media-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .media-action-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
      margin-top: auto;
    }
    .btn-play-run {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--primary-light);
      color: var(--primary);
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      font-size: 12px;
      font-weight: 700;
    }
    .media-card:hover .btn-play-run {
      background: var(--primary);
      color: #FFFFFF;
    }

    /* 主推焦点 Banner 卡片 */
    .focus-banner-section {
      padding: 20px 0 60px;
      background: var(--bg-light);
    }
    .focus-card-wrapper {
      background: linear-gradient(135deg, #0F172A 0%, #1E1B4B 100%);
      border-radius: var(--radius-lg);
      padding: 44px 40px;
      color: #FFFFFF;
      position: relative;
      overflow: hidden;
      box-shadow: 0 16px 36px -6px rgba(15, 23, 42, 0.25);
    }
    .focus-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(225, 29, 72, 0.25);
      border: 1px solid rgba(225, 29, 72, 0.6);
      color: #FECDD3;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: var(--radius-pill);
      margin-bottom: 18px;
    }
    .focus-title {
      font-size: 28px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 14px;
      line-height: 1.3;
    }
    .focus-text {
      font-size: 15px;
      color: #CBD5E1;
      max-width: 680px;
      margin-bottom: 24px;
      line-height: 1.7;
    }
    .focus-cta-group {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }
    .btn-focus-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary);
      color: #FFFFFF !important;
      padding: 10px 24px;
      border-radius: var(--radius-pill);
      font-weight: 600;
      font-size: 14px;
    }
    .btn-focus-primary:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
    }
    .btn-focus-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.3);
      color: #FFFFFF !important;
      padding: 10px 20px;
      border-radius: var(--radius-pill);
      font-weight: 600;
      font-size: 14px;
    }
    .btn-focus-outline:hover {
      background: rgba(255, 255, 255, 0.2);
    }

    /* 使用场景解析与操作要点 */
    .scene-analysis-section {
      padding: 70px 0;
      background: #FFFFFF;
    }
    .guide-box {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      height: 100%;
      transition: var(--transition);
    }
    .guide-box:hover {
      border-color: #CBD5E1;
      box-shadow: var(--shadow-sm);
    }
    .guide-icon-round {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: #FFE4E6;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
    }
    .guide-box h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 12px;
    }
    .guide-box p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 16px;
    }
    .guide-checklist {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .guide-checklist li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .guide-checklist li i {
      color: #10B981;
      margin-top: 4px;
      font-size: 13px;
    }

    /* 分类热门排行榜 */
    .ranking-section {
      padding: 70px 0;
      background: var(--bg-light);
    }
    .rank-list-wrapper {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 8px 24px;
      box-shadow: var(--shadow-sm);
    }
    .rank-item-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 0;
      border-bottom: 1px solid #F1F5F9;
    }
    .rank-item-row:last-child {
      border-bottom: none;
    }
    .rank-left-info {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .rank-num-badge {
      width: 28px;
      height: 28px;
      border-radius: 8px;
      background: #F1F5F9;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 13px;
    }
    .rank-num-badge.top-1 { background: var(--primary); color: #FFF; }
    .rank-num-badge.top-2 { background: #EA580C; color: #FFF; }
    .rank-num-badge.top-3 { background: #F59E0B; color: #FFF; }
    .rank-name-text {
      font-size: 15px;
      font-weight: 700;
      color: var(--secondary);
    }
    .rank-meta-sub {
      font-size: 12px;
      color: var(--text-muted);
    }
    .rank-right-metrics {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .rank-heat-bar {
      width: 120px;
      height: 6px;
      background: #F1F5F9;
      border-radius: 3px;
      overflow: hidden;
    }
    .rank-heat-fill {
      height: 100%;
      background: linear-gradient(90deg, #FB7185, var(--primary));
      border-radius: 3px;
    }
    .rank-heat-score {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      min-width: 60px;
      text-align: right;
    }

    /* 版本支持与适配规范说明 */
    .specs-section {
      padding: 70px 0;
      background: #FFFFFF;
    }
    .spec-table-box {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .spec-row {
      display: flex;
      border-bottom: 1px solid var(--border-color);
    }
    .spec-row:last-child {
      border-bottom: none;
    }
    .spec-title-col {
      width: 32%;
      background: var(--bg-light);
      padding: 16px 20px;
      font-size: 14px;
      font-weight: 700;
      color: var(--secondary);
      border-right: 1px solid var(--border-color);
    }
    .spec-val-col {
      width: 68%;
      padding: 16px 20px;
      font-size: 14px;
      color: var(--text-body);
      background: #FFFFFF;
    }

    /* 分类专属常见问题 (FAQ) */
    .faq-cat-section {
      padding: 70px 0;
      background: var(--bg-light);
    }
    .faq-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 16px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.02);
    }
    .faq-question {
      font-size: 16px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .faq-question i {
      color: var(--primary);
      font-size: 16px;
    }
    .faq-answer {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      margin: 0;
    }

    /* 分页与底端引导区 */
    .cat-pagination-section {
      padding: 40px 0 80px;
      background: var(--bg-light);
      text-align: center;
    }
    .pagination-bar {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 24px;
    }
    .page-btn {
      width: 38px;
      height: 38px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      background: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-body);
    }
    .page-btn.active {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
    }
    .btn-load-more {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--secondary);
      color: #FFFFFF !important;
      padding: 12px 32px;
      border-radius: var(--radius-pill);
      font-size: 14px;
      font-weight: 600;
      box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
    }
    .btn-load-more:hover {
      background: #1E293B;
      transform: translateY(-2px);
    }

    /* 页脚设计规范 */
    .site-footer {
      background: #0B1120;
      color: #94A3B8;
      padding: 70px 0 30px;
      border-top: 1px solid #1E293B;
    }
    .footer-brand {
      font-size: 20px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
    }
    .footer-desc {
      font-size: 13px;
      line-height: 1.8;
      color: #64748B;
      margin-bottom: 20px;
    }
    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: #F8FAFC;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links li a {
      color: #94A3B8;
      font-size: 13px;
      transition: var(--transition);
    }
    .footer-links li a:hover {
      color: #FFFFFF;
      padding-left: 4px;
    }
    .footer-bottom-bar {
      border-top: 1px solid #1E293B;
      padding-top: 28px;
      margin-top: 50px;
      text-align: center;
      font-size: 12px;
      color: #475569;
    }

    @media (max-width: 768px) {
      .cat-h1 { font-size: 26px; }
      .nav-search { display: none; }
      .spec-title-col { width: 40%; font-size: 13px; }
      .spec-val-col { width: 60%; font-size: 13px; }
      .filter-bar-section { top: 96px; }
      .focus-card-wrapper { padding: 28px 20px; }
      .focus-title { font-size: 22px; }
      .rank-item-row { flex-direction: column; align-items: flex-start; gap: 10px; }
      .rank-right-metrics { width: 100%; justify-content: space-between; }
    }

/* roulang page: category1 */
:root {
        --primary: #E11D48;
        --primary-hover: #BE123C;
        --primary-light: #FFE4E6;
        --secondary: #0F172A;
        --accent-purple: #7C3AED;
        --bg-light: #F8FAFC;
        --bg-white: #FFFFFF;
        --text-main: #0F172A;
        --text-body: #334155;
        --text-muted: #64748B;
        --border-color: #E2E8F0;
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 20px;
        --radius-pill: 9999px;
        --shadow-sm: 0 4px 16px -2px rgba(15, 23, 42, 0.05);
        --shadow-hover: 0 14px 28px -4px rgba(225, 29, 72, 0.12);
        --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    body {
        font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
        background-color: var(--bg-light);
        color: var(--text-body);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: var(--transition);
    }
    a:hover { color: var(--primary); }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: var(--radius-sm);
    }
    
    /* 顶部双层导航 */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }
    .nav-top-row {
        padding: 14px 0;
        border-bottom: 1px solid #F1F5F9;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .brand-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 22px;
        font-weight: 800;
        color: var(--secondary);
        letter-spacing: -0.5px;
    }
    .brand-logo .logo-icon {
        width: 38px;
        height: 38px;
        background: linear-gradient(135deg, var(--primary), var(--accent-purple));
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 18px;
        box-shadow: 0 4px 10px rgba(225, 29, 72, 0.25);
    }
    .brand-logo span {
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    .nav-search {
        position: relative;
        width: 100%;
        max-width: 320px;
    }
    .nav-search input {
        width: 100%;
        height: 40px;
        background: var(--bg-light);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-pill);
        padding: 0 16px 0 40px;
        font-size: 14px;
        color: var(--text-main);
        outline: none;
        transition: var(--transition);
        margin-bottom: 0;
    }
    .nav-search input:focus {
        border-color: var(--primary);
        background: #FFF;
        box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.15);
    }
    .nav-search i {
        position: absolute;
        left: 15px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--text-muted);
        font-size: 14px;
    }
    .nav-cta-btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--primary);
        color: #FFF !important;
        padding: 9px 22px;
        font-size: 14px;
        font-weight: 600;
        border-radius: var(--radius-pill);
        box-shadow: 0 4px 14px rgba(225, 29, 72, 0.28);
        transition: var(--transition);
    }
    .nav-cta-btn:hover {
        background: var(--primary-hover);
        transform: translateY(-1px);
        box-shadow: 0 6px 18px rgba(225, 29, 72, 0.38);
    }
    .nav-tabs-row {
        padding: 8px 0;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .nav-tabs-row::-webkit-scrollbar { display: none; }
    .channel-pills {
        display: flex;
        gap: 8px;
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .channel-pills li a {
        display: inline-block;
        padding: 6px 18px;
        font-size: 13px;
        font-weight: 500;
        color: var(--text-body);
        background: var(--bg-light);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-pill);
        transition: var(--transition);
    }
    .channel-pills li a:hover,
    .channel-pills li.active a {
        background: var(--primary);
        color: #FFF;
        border-color: var(--primary);
    }

    /* 分类页全局板块规范 */
    .section-block {
        padding: 64px 0;
        position: relative;
    }
    .section-header {
        margin-bottom: 36px;
    }
    .section-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 4px 14px;
        border-radius: var(--radius-pill);
        background: var(--primary-light);
        color: var(--primary);
        font-size: 12px;
        font-weight: 700;
        margin-bottom: 12px;
    }
    .section-title {
        font-size: 28px;
        font-weight: 800;
        color: var(--secondary);
        line-height: 1.35;
        margin-bottom: 12px;
        letter-spacing: -0.4px;
    }
    .section-desc {
        font-size: 15px;
        color: var(--text-muted);
        max-width: 680px;
        line-height: 1.7;
        margin-bottom: 0;
    }

    /* 板块 1：分类页层级标头与面包屑 */
    .cat-header-block {
        background: #FFFFFF;
        border-bottom: 1px solid var(--border-color);
        padding: 38px 0 32px;
    }
    .breadcrumb-nav {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--text-muted);
        margin-bottom: 14px;
    }
    .breadcrumb-nav a:hover {
        color: var(--primary);
    }
    .cat-h1 {
        font-size: 32px;
        font-weight: 900;
        color: var(--secondary);
        margin-bottom: 10px;
        letter-spacing: -0.5px;
    }
    .cat-summary {
        font-size: 15px;
        color: var(--text-muted);
        line-height: 1.7;
        max-width: 820px;
        margin: 0;
    }

    /* 板块 2：多维标签筛选与排序控制条 */
    .cat-filter-block {
        background: #FFFFFF;
        border-bottom: 1px solid var(--border-color);
        padding: 18px 0;
    }
    .filter-wrapper {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
    }
    .filter-pill-group {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        align-items: center;
    }
    .filter-pill {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 14px;
        font-size: 13px;
        font-weight: 500;
        border-radius: var(--radius-pill);
        background: var(--bg-light);
        border: 1px solid var(--border-color);
        color: var(--text-body);
        cursor: pointer;
        transition: var(--transition);
    }
    .filter-pill.active,
    .filter-pill:hover {
        background: var(--secondary);
        color: #FFFFFF;
        border-color: var(--secondary);
    }
    .filter-sort-group {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .sort-select {
        height: 38px;
        padding: 0 32px 0 14px;
        font-size: 13px;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        background-color: #FFFFFF;
        color: var(--text-main);
        outline: none;
        margin-bottom: 0;
    }

    /* 板块 3：分类内容主体网格 */
    .version-card {
        background: #FFFFFF;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 20px;
        margin-bottom: 24px;
        transition: var(--transition);
        display: flex;
        flex-direction: column;
        height: calc(100% - 24px);
    }
    .version-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(225, 29, 72, 0.3);
    }
    .card-thumb-box {
        position: relative;
        overflow: hidden;
        border-radius: var(--radius-sm);
        margin-bottom: 16px;
        aspect-ratio: 16 / 9;
        background: #000;
    }
    .card-thumb-box img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: var(--transition);
    }
    .version-card:hover .card-thumb-box img {
        transform: scale(1.04);
    }
    .badge-tag-pos {
        position: absolute;
        top: 10px;
        right: 10px;
        background: rgba(15, 23, 42, 0.85);
        color: #FFF;
        font-size: 11px;
        font-weight: 600;
        padding: 3px 8px;
        border-radius: 4px;
        backdrop-filter: blur(4px);
    }
    .badge-ver-pill {
        position: absolute;
        bottom: 10px;
        left: 10px;
        background: var(--primary);
        color: #FFF;
        font-size: 11px;
        font-weight: 700;
        padding: 3px 8px;
        border-radius: 4px;
    }
    .card-info-title {
        font-size: 17px;
        font-weight: 700;
        color: var(--secondary);
        margin-bottom: 8px;
        line-height: 1.4;
    }
    .card-meta-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 12px;
        color: var(--text-muted);
        margin-bottom: 12px;
        padding-bottom: 12px;
        border-bottom: 1px dashed #F1F5F9;
    }
    .card-desc-text {
        font-size: 13px;
        color: var(--text-body);
        line-height: 1.65;
        margin-bottom: 16px;
        flex-grow: 1;
    }
    .card-action-bar {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-top: auto;
    }
    .btn-download-sm {
        flex: 1;
        background: var(--primary);
        color: #FFFFFF !important;
        font-size: 13px;
        font-weight: 600;
        padding: 8px 12px;
        border-radius: var(--radius-pill);
        text-align: center;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        transition: var(--transition);
    }
    .btn-download-sm:hover {
        background: var(--primary-hover);
    }
    .btn-detail-sm {
        background: var(--bg-light);
        color: var(--text-body);
        border: 1px solid var(--border-color);
        font-size: 13px;
        font-weight: 600;
        padding: 8px 14px;
        border-radius: var(--radius-pill);
        transition: var(--transition);
    }
    .btn-detail-sm:hover {
        border-color: var(--primary);
        color: var(--primary);
    }

    /* 板块 4：主推焦点内容展示卡 */
    .focus-banner-card {
        background: linear-gradient(135deg, #0F172A, #1E293B);
        border-radius: var(--radius-lg);
        padding: 40px;
        color: #FFFFFF;
        position: relative;
        overflow: hidden;
        box-shadow: 0 10px 30px rgba(15, 23, 42, 0.15);
    }
    .focus-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(225, 29, 72, 0.25);
        border: 1px solid rgba(225, 29, 72, 0.5);
        color: #FECDD3;
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: var(--radius-pill);
        margin-bottom: 16px;
    }
    .focus-title {
        font-size: 26px;
        font-weight: 800;
        color: #FFFFFF;
        line-height: 1.35;
        margin-bottom: 14px;
    }
    .focus-desc {
        font-size: 15px;
        color: #CBD5E1;
        line-height: 1.75;
        margin-bottom: 24px;
        max-width: 600px;
    }
    .focus-features {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        margin-bottom: 28px;
    }
    .focus-feat-item {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 14px;
        color: #E2E8F0;
    }
    .focus-feat-item i {
        color: var(--primary);
        font-size: 16px;
    }
    .focus-btn-group {
        display: flex;
        align-items: center;
        gap: 14px;
        flex-wrap: wrap;
    }

    /* 板块 5：使用场景与技巧 */
    .tip-box-card {
        background: #FFFFFF;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 28px;
        height: 100%;
        display: flex;
        gap: 20px;
    }
    .tip-icon-cell {
        width: 52px;
        height: 52px;
        border-radius: 12px;
        background: var(--primary-light);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        flex-shrink: 0;
    }
    .tip-content-cell h4 {
        font-size: 18px;
        font-weight: 700;
        color: var(--secondary);
        margin-bottom: 8px;
    }
    .tip-content-cell p {
        font-size: 14px;
        color: var(--text-body);
        line-height: 1.7;
        margin-bottom: 12px;
    }
    .tip-check-list {
        list-style: none;
        margin: 0;
        padding: 0;
        font-size: 13px;
        color: var(--text-muted);
    }
    .tip-check-list li {
        margin-bottom: 6px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .tip-check-list li i {
        color: #10B981;
    }

    /* 板块 6：排行榜 */
    .rank-card-list {
        background: #FFFFFF;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 24px;
    }
    .rank-item-row {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 14px 0;
        border-bottom: 1px solid #F1F5F9;
        transition: var(--transition);
    }
    .rank-item-row:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    .rank-num {
        width: 30px;
        height: 30px;
        border-radius: 8px;
        background: var(--bg-light);
        color: var(--text-muted);
        font-weight: 800;
        font-size: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }
    .rank-num.top-1 { background: #FEF2F2; color: #E11D48; }
    .rank-num.top-2 { background: #FFF7ED; color: #EA580C; }
    .rank-num.top-3 { background: #FEFCE8; color: #CA8A04; }
    .rank-content {
        flex: 1;
    }
    .rank-content h5 {
        font-size: 15px;
        font-weight: 700;
        color: var(--secondary);
        margin-bottom: 4px;
    }
    .rank-content p {
        font-size: 12px;
        color: var(--text-muted);
        margin: 0;
    }
    .rank-meta-tag {
        font-size: 12px;
        font-weight: 600;
        color: var(--primary);
        background: var(--primary-light);
        padding: 4px 10px;
        border-radius: var(--radius-pill);
        white-space: nowrap;
    }

    /* 板块 7：规格参数卡 */
    .spec-table-box {
        background: #FFFFFF;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 30px;
    }
    .spec-grid-row {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 20px;
    }
    .spec-item {
        border-left: 3px solid var(--primary);
        padding-left: 14px;
    }
    .spec-label {
        font-size: 12px;
        font-weight: 600;
        color: var(--text-muted);
        text-transform: uppercase;
        margin-bottom: 4px;
    }
    .spec-val {
        font-size: 15px;
        font-weight: 700;
        color: var(--secondary);
    }

    /* 板块 8：常见问题 FAQ */
    .faq-card-unit {
        background: #FFFFFF;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 22px 24px;
        margin-bottom: 16px;
        transition: var(--transition);
    }
    .faq-card-unit:hover {
        border-color: rgba(225, 29, 72, 0.3);
        box-shadow: var(--shadow-sm);
    }
    .faq-q-text {
        font-size: 16px;
        font-weight: 700;
        color: var(--secondary);
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 8px;
    }
    .faq-q-text i {
        color: var(--primary);
        font-size: 14px;
    }
    .faq-a-text {
        font-size: 14px;
        color: var(--text-body);
        line-height: 1.7;
        margin: 0;
        padding-left: 24px;
    }

    /* 板块 9：分页与更多引导 */
    .pagination-wrapper {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 8px;
        margin-top: 40px;
    }
    .page-nav-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 38px;
        height: 38px;
        padding: 0 10px;
        border-radius: var(--radius-sm);
        background: #FFFFFF;
        border: 1px solid var(--border-color);
        font-size: 14px;
        font-weight: 600;
        color: var(--text-body);
        transition: var(--transition);
    }
    .page-nav-link:hover,
    .page-nav-link.active {
        background: var(--primary);
        color: #FFFFFF;
        border-color: var(--primary);
    }

    /* 全局页脚组件 */
    .site-footer {
        background: #0B1120;
        border-top: 1px solid #1E293B;
        color: #94A3B8;
        padding: 64px 0 32px;
        font-size: 14px;
    }
    .footer-brand {
        font-size: 20px;
        font-weight: 800;
        color: #FFFFFF;
        margin-bottom: 14px;
        display: flex;
        align-items: center;
    }
    .footer-desc {
        line-height: 1.75;
        margin-bottom: 18px;
        color: #64748B;
        font-size: 13px;
    }
    .footer-col-title {
        color: #FFFFFF;
        font-size: 15px;
        font-weight: 700;
        margin-bottom: 18px;
    }
    .footer-links {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer-links li {
        margin-bottom: 10px;
    }
    .footer-links a {
        color: #94A3B8;
        font-size: 13px;
    }
    .footer-links a:hover {
        color: var(--primary);
    }
    .footer-bottom-bar {
        border-top: 1px solid #1E293B;
        margin-top: 48px;
        padding-top: 24px;
        text-align: center;
        font-size: 12px;
        color: #475569;
    }

    @media (max-width: 768px) {
        .nav-search { display: none; }
        .focus-banner-card { padding: 24px; }
        .focus-features { grid-template-columns: 1fr; }
        .tip-box-card { flex-direction: column; }
        .spec-table-box { padding: 20px; }
    }

/* roulang page: category3 */
:root {
      --primary: #E11D48;
      --primary-hover: #BE123C;
      --primary-light: #FFE4E6;
      --secondary: #0F172A;
      --accent-purple: #7C3AED;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 9999px;
      --shadow-sm: 0 4px 16px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 14px 28px -4px rgba(225, 29, 72, 0.12);
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
      background-color: var(--bg-white);
      color: var(--text-body);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
      margin: 0;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--primary); }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }

    /* 频道 Tabs 双层导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }
    .nav-top-row {
      padding: 14px 0;
      border-bottom: 1px solid #F1F5F9;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: var(--secondary);
      letter-spacing: -0.5px;
    }
    .brand-logo .logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
      box-shadow: 0 4px 10px rgba(225, 29, 72, 0.25);
    }
    .brand-logo span {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .nav-search {
      position: relative;
      width: 100%;
      max-width: 320px;
    }
    .nav-search input {
      width: 100%;
      height: 40px;
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-pill);
      padding: 0 16px 0 40px;
      font-size: 14px;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
      margin-bottom: 0;
    }
    .nav-search input:focus {
      border-color: var(--primary);
      background: #FFF;
      box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.15);
    }
    .nav-search i {
      position: absolute;
      left: 15px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 14px;
    }
    .nav-cta-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary);
      color: #FFF !important;
      padding: 9px 22px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 14px rgba(225, 29, 72, 0.28);
      transition: var(--transition);
    }
    .nav-cta-btn:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(225, 29, 72, 0.38);
    }
    .nav-tabs-row {
      padding: 8px 0;
      overflow-x: auto;
      white-space: nowrap;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
    }
    .nav-tabs-row::-webkit-scrollbar { display: none; }
    .channel-pills {
      display: flex;
      gap: 8px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .channel-pills li a {
      display: inline-block;
      padding: 6px 18px;
      font-size: 13px;
      font-weight: 500;
      color: var(--text-body);
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-pill);
      transition: var(--transition);
    }
    .channel-pills li a:hover,
    .channel-pills li.active a {
      background: var(--primary);
      color: #FFF;
      border-color: var(--primary);
    }

    /* 分类页主体样式 */
    .cat-header-wrap {
      background: var(--bg-light);
      border-bottom: 1px solid var(--border-color);
      padding: 44px 0 36px;
    }
    .cat-breadcrumbs {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 14px;
    }
    .cat-breadcrumbs a { color: var(--text-muted); }
    .cat-breadcrumbs a:hover { color: var(--primary); }
    .cat-title-h1 {
      font-size: 32px;
      font-weight: 800;
      color: var(--secondary);
      line-height: 1.3;
      margin-bottom: 12px;
    }
    .cat-summary {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 820px;
      margin-bottom: 0;
    }

    /* 筛选与过滤工具条 */
    .filter-bar-section {
      padding: 24px 0 10px;
    }
    .filter-box {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px 20px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      box-shadow: var(--shadow-sm);
    }
    .filter-group {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }
    .filter-label {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
      margin-right: 6px;
    }
    .filter-tag {
      font-size: 12px;
      padding: 5px 14px;
      border-radius: var(--radius-pill);
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      color: var(--text-body);
      cursor: pointer;
      transition: var(--transition);
    }
    .filter-tag:hover,
    .filter-tag.active {
      background: var(--primary);
      color: #FFF;
      border-color: var(--primary);
    }
    .sort-select {
      height: 36px;
      font-size: 13px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 0 12px;
      color: var(--text-body);
      outline: none;
      margin-bottom: 0;
    }

    /* 网格卡片区 */
    .matrix-section {
      padding: 36px 0 60px;
    }
    .card-item {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
      margin-bottom: 24px;
    }
    .card-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(225, 29, 72, 0.3);
    }
    .card-img-wrap {
      position: relative;
      overflow: hidden;
      background: #E2E8F0;
      aspect-ratio: 16/9;
    }
    .card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
      border-radius: 0;
    }
    .card-item:hover .card-img-wrap img {
      transform: scale(1.05);
    }
    .card-badge {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(4px);
      color: #FFF;
      font-size: 11px;
      font-weight: 600;
      padding: 3px 8px;
      border-radius: 4px;
    }
    .card-meta-tag {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: rgba(225, 29, 72, 0.9);
      color: #FFF;
      font-size: 11px;
      font-weight: 600;
      padding: 2px 8px;
      border-radius: var(--radius-pill);
    }
    .card-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .card-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .card-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .card-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid #F1F5F9;
      padding-top: 12px;
      font-size: 12px;
      color: var(--text-muted);
    }
    .btn-card-install {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      padding: 5px 14px;
      border-radius: var(--radius-pill);
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
      transition: var(--transition);
    }
    .card-item:hover .btn-card-install {
      background: var(--primary);
      color: #FFF;
      border-color: var(--primary);
    }

    /* 焦点横幅推荐卡 */
    .spotlight-section {
      padding: 20px 0 60px;
    }
    .spotlight-banner {
      background: linear-gradient(135deg, #0F172A 0%, #1E1B4B 100%);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 16px 36px -6px rgba(15, 23, 42, 0.25);
      border: 1px solid rgba(255, 255, 255, 0.1);
      color: #FFF;
    }
    .spotlight-content {
      padding: 44px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      height: 100%;
    }
    .spotlight-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      background: rgba(225, 29, 72, 0.2);
      border: 1px solid rgba(225, 29, 72, 0.5);
      border-radius: var(--radius-pill);
      font-size: 12px;
      font-weight: 700;
      color: #FECDD3;
      margin-bottom: 16px;
      width: fit-content;
    }
    .spotlight-h2 {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 14px;
      color: #FFF;
      line-height: 1.3;
    }
    .spotlight-p {
      font-size: 15px;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .spotlight-btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: var(--primary);
      color: #FFF;
      padding: 12px 28px;
      border-radius: var(--radius-pill);
      font-weight: 700;
      font-size: 15px;
      transition: var(--transition);
      box-shadow: 0 6px 20px rgba(225, 29, 72, 0.35);
      width: fit-content;
    }
    .spotlight-btn:hover {
      background: var(--primary-hover);
      color: #FFF;
      transform: translateY(-2px);
    }
    .spotlight-img-col {
      position: relative;
      min-height: 280px;
    }
    .spotlight-img-col img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 0;
    }

    /* 使用场景解析与操作要点 */
    .tech-guide-section {
      padding: 50px 0 70px;
      background: var(--bg-light);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .guide-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      height: 100%;
      box-shadow: var(--shadow-sm);
    }
    .guide-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 18px;
    }
    .guide-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 12px;
    }
    .guide-desc {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 16px;
    }
    .guide-checklist {
      list-style: none;
      padding: 0;
      margin: 0;
      font-size: 13px;
      color: var(--text-muted);
    }
    .guide-checklist li {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 8px;
    }
    .guide-checklist i {
      color: #10B981;
    }

    /* 排行榜区 */
    .ranking-section {
      padding: 60px 0;
    }
    .ranking-table-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .rank-row {
      display: flex;
      align-items: center;
      padding: 14px 10px;
      border-bottom: 1px solid #F1F5F9;
      transition: var(--transition);
    }
    .rank-row:hover {
      background: var(--bg-light);
      border-radius: var(--radius-sm);
    }
    .rank-row:last-child {
      border-bottom: none;
    }
    .rank-num {
      width: 32px;
      font-size: 16px;
      font-weight: 800;
      color: var(--text-muted);
      text-align: center;
    }
    .rank-num.top1 { color: #E11D48; font-size: 18px; }
    .rank-num.top2 { color: #EA580C; font-size: 18px; }
    .rank-num.top3 { color: #F59E0B; font-size: 18px; }
    .rank-info {
      flex-grow: 1;
      padding: 0 16px;
    }
    .rank-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 4px;
    }
    .rank-sub {
      font-size: 12px;
      color: var(--text-muted);
    }
    .rank-hot-bar {
      width: 140px;
      margin-right: 20px;
    }
    .hot-track {
      background: #E2E8F0;
      height: 6px;
      border-radius: 3px;
      overflow: hidden;
    }
    .hot-fill {
      background: linear-gradient(90deg, #F59E0B, #E11D48);
      height: 100%;
    }
    .rank-action-btn {
      font-size: 12px;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      color: var(--text-body);
      font-weight: 600;
    }
    .rank-action-btn:hover {
      background: var(--primary);
      color: #FFF;
      border-color: var(--primary);
    }

    /* 兼容性与参数规范 */
    .compat-section {
      padding: 50px 0 70px;
      background: #FFF;
    }
    .param-box {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      background: var(--bg-light);
      height: 100%;
    }
    .param-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .param-list {
      list-style: none;
      padding: 0;
      margin: 0;
      font-size: 13px;
    }
    .param-item {
      display: flex;
      justify-content: space-between;
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-color);
    }
    .param-item:last-child {
      border-bottom: none;
    }
    .param-label { color: var(--text-muted); }
    .param-val { font-weight: 600; color: var(--text-main); }

    /* 分类专属 FAQ */
    .faq-section {
      padding: 60px 0;
      background: var(--bg-light);
      border-top: 1px solid var(--border-color);
    }
    .faq-item {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      margin-bottom: 16px;
      box-shadow: var(--shadow-sm);
    }
    .faq-q {
      font-size: 16px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .faq-q i { color: var(--primary); font-size: 14px; }
    .faq-a {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 0;
      padding-left: 24px;
    }

    /* 底部分页与更多 */
    .pagination-section {
      padding: 40px 0 80px;
      text-align: center;
      background: #FFF;
    }
    .pagi-wrap {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-bottom: 24px;
    }
    .pagi-link {
      width: 38px;
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      background: #FFF;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-body);
      transition: var(--transition);
    }
    .pagi-link:hover,
    .pagi-link.active {
      background: var(--primary);
      color: #FFF;
      border-color: var(--primary);
    }
    .more-btn-global {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 32px;
      background: var(--secondary);
      color: #FFF;
      font-weight: 600;
      font-size: 14px;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 14px rgba(15, 23, 42, 0.2);
    }
    .more-btn-global:hover {
      background: var(--primary);
      color: #FFF;
      transform: translateY(-2px);
    }

    /* 全局页脚 */
    .site-footer {
      background-color: var(--secondary);
      color: #94A3B8;
      padding: 64px 0 32px;
      font-size: 14px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-brand {
      font-size: 20px;
      font-weight: 800;
      color: #FFF;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
    }
    .footer-desc {
      line-height: 1.7;
      margin-bottom: 20px;
      font-size: 13px;
      color: #94A3B8;
    }
    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #94A3B8;
      transition: var(--transition);
      font-size: 13px;
    }
    .footer-links a:hover {
      color: var(--primary);
      padding-left: 4px;
    }
    .footer-bottom-bar {
      margin-top: 48px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      text-align: center;
      font-size: 12px;
      color: #64748B;
    }

    @media (max-width: 768px) {
      .nav-top-row { flex-wrap: wrap; gap: 12px; }
      .nav-search { order: 3; max-width: 100%; }
      .cat-title-h1 { font-size: 24px; }
      .spotlight-content { padding: 24px; }
      .rank-hot-bar { display: none; }
    }

/* roulang page: category4 */
:root {
      --primary: #E11D48;
      --primary-hover: #BE123C;
      --primary-light: #FFE4E6;
      --secondary: #0F172A;
      --accent-purple: #7C3AED;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --gold-main: #D97706;
      --gold-light: #FEF3C7;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 9999px;
      --shadow-sm: 0 4px 16px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 14px 28px -4px rgba(225, 29, 72, 0.12);
      --shadow-gold: 0 10px 25px -3px rgba(217, 119, 6, 0.2);
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
      background-color: var(--bg-white);
      color: var(--text-body);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    a:hover { color: var(--primary); }
    img {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: var(--radius-sm);
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }
    .nav-top-row {
      padding: 14px 0;
      border-bottom: 1px solid #F1F5F9;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: var(--secondary);
      letter-spacing: -0.5px;
    }
    .brand-logo .logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
      box-shadow: 0 4px 10px rgba(225, 29, 72, 0.25);
    }
    .brand-logo span {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .nav-search {
      position: relative;
      width: 100%;
      max-width: 320px;
    }
    .nav-search input {
      width: 100%;
      height: 40px;
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-pill);
      padding: 0 16px 0 40px;
      font-size: 14px;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
      margin-bottom: 0;
    }
    .nav-search input:focus {
      border-color: var(--primary);
      background: #FFF;
      box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.15);
    }
    .nav-search i {
      position: absolute;
      left: 15px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 14px;
    }
    .nav-cta-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary);
      color: #FFF !important;
      padding: 9px 22px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 14px rgba(225, 29, 72, 0.28);
      transition: var(--transition);
    }
    .nav-cta-btn:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(225, 29, 72, 0.38);
    }
    .nav-tabs-row {
      padding: 8px 0;
      overflow-x: auto;
      white-space: nowrap;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
    }
    .nav-tabs-row::-webkit-scrollbar { display: none; }
    .channel-pills {
      display: flex;
      gap: 8px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .channel-pills li a {
      display: inline-block;
      padding: 6px 18px;
      font-size: 13px;
      font-weight: 500;
      color: var(--text-body);
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-pill);
      transition: var(--transition);
    }
    .channel-pills li a:hover,
    .channel-pills li.active a {
      background: var(--primary);
      color: #FFF;
      border-color: var(--primary);
    }
    .section-block {
      padding: 72px 0;
      position: relative;
    }
    .section-block-alt {
      background-color: var(--bg-light);
    }
    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 14px;
      border-radius: var(--radius-pill);
      background: var(--primary-light);
      color: var(--primary);
      font-size: 12px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .section-badge.gold {
      background: var(--gold-light);
      color: #B45309;
    }
    .section-title {
      font-size: 30px;
      font-weight: 800;
      color: var(--secondary);
      line-height: 1.35;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 760px;
      line-height: 1.8;
      margin-bottom: 0;
    }

    /* 随机版式蓝图：分类头屏黑金感俱乐部氛围 + 规格指标 */
    .cast-gold-banner {
      background: linear-gradient(135deg, #111827 0%, #1F2937 60%, #0F172A 100%);
      color: #FFF;
      padding: 48px 0 54px;
      border-bottom: 1px solid rgba(217, 119, 6, 0.3);
      position: relative;
      overflow: hidden;
    }
    .cast-gold-banner::before {
      content: "";
      position: absolute;
      top: -50px;
      right: -50px;
      width: 320px;
      height: 320px;
      background: radial-gradient(circle, rgba(217, 119, 6, 0.18) 0%, rgba(15, 23, 42, 0) 70%);
      pointer-events: none;
    }
    .breadcrumbs-box {
      font-size: 13px;
      color: #9CA3AF;
      margin-bottom: 16px;
    }
    .breadcrumbs-box a {
      color: #D1D5DB;
    }
    .breadcrumbs-box a:hover {
      color: #FBBF24;
    }
    .breadcrumbs-box span {
      margin: 0 8px;
      color: #6B7280;
    }
    .cast-h1 {
      font-size: 34px;
      font-weight: 900;
      color: #F3F4F6;
      line-height: 1.3;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }
    .cast-badge-gold {
      background: linear-gradient(135deg, #F59E0B, #B45309);
      color: #FFF;
      font-size: 13px;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: var(--radius-pill);
      box-shadow: var(--shadow-gold);
    }
    .cast-desc-text {
      color: #9CA3AF;
      font-size: 15px;
      max-width: 680px;
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .gold-metrics-panel {
      background: rgba(17, 24, 39, 0.75);
      border: 1px solid rgba(245, 158, 11, 0.3);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      backdrop-filter: blur(10px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    }
    .gold-metrics-row {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      text-align: center;
    }
    .gold-metric-item .val {
      font-size: 24px;
      font-weight: 800;
      color: #FBBF24;
      line-height: 1.2;
    }
    .gold-metric-item .lab {
      font-size: 12px;
      color: #9CA3AF;
      margin-top: 4px;
    }

    /* 多维标签筛选控制条 */
    .filter-sticky-bar {
      background: #FFF;
      padding: 16px 0;
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .filter-group-wrap {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .filter-row {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }
    .filter-title-label {
      font-size: 13px;
      font-weight: 700;
      color: var(--secondary);
      min-width: 70px;
    }
    .filter-chips {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }
    .filter-chip {
      display: inline-flex;
      align-items: center;
      padding: 4px 14px;
      border-radius: var(--radius-pill);
      font-size: 13px;
      background: var(--bg-light);
      color: var(--text-body);
      border: 1px solid var(--border-color);
      cursor: pointer;
      transition: var(--transition);
    }
    .filter-chip.active,
    .filter-chip:hover {
      background: var(--secondary);
      color: #FFF;
      border-color: var(--secondary);
    }
    .filter-chip.active {
      background: var(--primary);
      border-color: var(--primary);
    }

    /* 分类主体卡片网格 */
    .media-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
      margin-bottom: 24px;
    }
    .media-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary-light);
    }
    .media-thumb-box {
      position: relative;
      overflow: hidden;
      height: 180px;
      background: #000;
    }
    .media-thumb-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .media-card:hover .media-thumb-box img {
      transform: scale(1.05);
    }
    .media-tag-float {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(15, 23, 42, 0.85);
      color: #FFF;
      padding: 3px 10px;
      border-radius: var(--radius-pill);
      font-size: 11px;
      font-weight: 700;
      backdrop-filter: blur(4px);
      display: flex;
      align-items: center;
      gap: 5px;
    }
    .media-tag-float.uhd {
      background: rgba(225, 29, 72, 0.9);
    }
    .media-duration-tag {
      position: absolute;
      bottom: 8px;
      right: 10px;
      background: rgba(0, 0, 0, 0.7);
      color: #F8FAFC;
      font-size: 11px;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .media-body-content {
      padding: 18px 20px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .media-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.4;
      margin-bottom: 8px;
    }
    .media-intro-text {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }
    .media-footer-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid #F1F5F9;
      padding-top: 12px;
      font-size: 12px;
      color: var(--text-muted);
    }
    .cast-action-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--primary);
      font-weight: 700;
      font-size: 12px;
    }
    .cast-action-link:hover {
      color: var(--primary-hover);
    }

    /* 焦点主推 Banner */
    .featured-cast-card {
      background: linear-gradient(135deg, #0F172A, #1E293B);
      color: #FFF;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-hover);
      border: 1px solid rgba(225, 29, 72, 0.3);
      margin-bottom: 40px;
    }
    .featured-flex {
      display: flex;
      align-items: center;
      gap: 32px;
      flex-wrap: wrap;
    }
    .featured-img-col {
      flex: 1 1 340px;
      position: relative;
    }
    .featured-img-col img {
      width: 100%;
      height: 240px;
      object-fit: cover;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
    }
    .featured-info-col {
      flex: 2 1 400px;
    }
    .featured-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--primary);
      color: #FFF;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      margin-bottom: 14px;
    }
    .featured-title {
      font-size: 24px;
      font-weight: 800;
      color: #FFF;
      margin-bottom: 12px;
      line-height: 1.35;
    }
    .featured-text {
      color: #CBD5E1;
      font-size: 14px;
      line-height: 1.75;
      margin-bottom: 20px;
    }
    .featured-checklist {
      list-style: none;
      margin: 0 0 24px 0;
      padding: 0;
      display: flex;
      gap: 18px;
      flex-wrap: wrap;
    }
    .featured-checklist li {
      font-size: 13px;
      color: #E2E8F0;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .featured-checklist li i {
      color: #10B981;
    }
    .btn-gold-cast {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, #F59E0B, #D97706);
      color: #FFF !important;
      padding: 10px 24px;
      font-size: 14px;
      font-weight: 700;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 14px rgba(217, 119, 6, 0.4);
      transition: var(--transition);
    }
    .btn-gold-cast:hover {
      background: linear-gradient(135deg, #D97706, #B45309);
      transform: translateY(-2px);
    }

    /* 场景分析卡片 */
    .scene-box-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      height: 100%;
      box-shadow: var(--shadow-sm);
    }
    .scene-icon-wrap {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin-bottom: 16px;
    }
    .scene-h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 10px;
    }
    .scene-p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 14px;
    }
    .scene-checklist {
      list-style: none;
      margin: 0;
      padding: 0;
      font-size: 13px;
      color: var(--text-body);
    }
    .scene-checklist li {
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .scene-checklist li i {
      color: #10B981;
      font-size: 12px;
    }

    /* 排行榜组件 */
    .top-rank-container {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .rank-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 0;
      border-bottom: 1px solid #F1F5F9;
      gap: 16px;
    }
    .rank-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .rank-left {
      display: flex;
      align-items: center;
      gap: 14px;
      flex: 1;
    }
    .rank-badge-num {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: #F1F5F9;
      color: var(--text-muted);
      font-size: 13px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .rank-badge-num.top1 {
      background: #EF4444;
      color: #FFF;
    }
    .rank-badge-num.top2 {
      background: #F59E0B;
      color: #FFF;
    }
    .rank-badge-num.top3 {
      background: #3B82F6;
      color: #FFF;
    }
    .rank-device-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }
    .rank-device-sub {
      font-size: 12px;
      color: var(--text-muted);
    }
    .rank-bar-wrap {
      flex: 1;
      max-width: 220px;
      display: none;
    }
    @media (min-width: 640px) {
      .rank-bar-wrap { display: block; }
    }
    .rank-progress-bg {
      height: 6px;
      background: #E2E8F0;
      border-radius: 9999px;
      overflow: hidden;
    }
    .rank-progress-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--primary), var(--accent-purple));
      border-radius: 9999px;
    }
    .rank-meta-score {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      text-align: right;
      min-width: 80px;
    }

    /* 适配技术参数两列 */
    .specs-card-group {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }
    .spec-row-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 12px 0;
      border-bottom: 1px solid #F1F5F9;
      font-size: 14px;
    }
    .spec-row-item:last-child {
      border-bottom: none;
    }
    .spec-key {
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .spec-val {
      font-weight: 600;
      color: var(--text-main);
    }

    /* FAQ 卡片样式 */
    .faq-grid-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 24px;
      margin-bottom: 16px;
      box-shadow: var(--shadow-sm);
    }
    .faq-q-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .faq-q-title i {
      color: var(--primary);
      font-size: 15px;
    }
    .faq-a-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 0;
    }

    /* 分页与底端收拢操作区 */
    .pagination-wrapper {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin-top: 36px;
      flex-wrap: wrap;
    }
    .page-num-btn {
      width: 38px;
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-body);
      border: 1px solid var(--border-color);
      background: #FFF;
      transition: var(--transition);
    }
    .page-num-btn.active,
    .page-num-btn:hover {
      background: var(--primary);
      color: #FFF;
      border-color: var(--primary);
    }

    /* 全局页脚 */
    .site-footer {
      background: var(--secondary);
      color: #94A3B8;
      padding: 72px 0 32px;
      border-top: 1px solid #1E293B;
    }
    .footer-brand {
      font-size: 20px;
      font-weight: 800;
      color: #FFF;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
    }
    .footer-desc {
      font-size: 13px;
      line-height: 1.8;
      color: #94A3B8;
      margin-bottom: 18px;
    }
    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: #F8FAFC;
      margin-bottom: 18px;
      letter-spacing: -0.2px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links li a {
      color: #94A3B8;
      font-size: 13px;
    }
    .footer-links li a:hover {
      color: #FFF;
      padding-left: 4px;
    }
    .footer-bottom-bar {
      border-top: 1px solid #1E293B;
      margin-top: 54px;
      padding-top: 24px;
      text-align: center;
      font-size: 12px;
      color: #64748B;
    }

    @media (max-width: 768px) {
      .section-block { padding: 48px 0; }
      .cast-h1 { font-size: 26px; }
      .cast-gold-banner { padding: 36px 0 42px; }
      .featured-cast-card { padding: 22px; }
      .gold-metrics-row { flex-wrap: wrap; }
      .gold-metric-item { flex: 1 1 45%; }
    }

/* roulang page: category5 */
:root {
      --primary: #E11D48;
      --primary-hover: #BE123C;
      --primary-light: #FFE4E6;
      --secondary: #0F172A;
      --accent-purple: #7C3AED;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 9999px;
      --shadow-sm: 0 4px 16px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 14px 28px -4px rgba(225, 29, 72, 0.12);
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
      background-color: var(--bg-white);
      color: var(--text-body);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
      margin: 0;
    }

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

    img {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: var(--radius-sm);
    }

    /* 顶部双层导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }
    .nav-top-row {
      padding: 14px 0;
      border-bottom: 1px solid #F1F5F9;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: var(--secondary);
      letter-spacing: -0.5px;
    }
    .brand-logo .logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
      box-shadow: 0 4px 10px rgba(225, 29, 72, 0.25);
    }
    .brand-logo span {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .nav-search {
      position: relative;
      width: 100%;
      max-width: 320px;
    }
    .nav-search input {
      width: 100%;
      height: 40px;
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-pill);
      padding: 0 16px 0 40px;
      font-size: 14px;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
      margin-bottom: 0;
    }
    .nav-search input:focus {
      border-color: var(--primary);
      background: #FFF;
      box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.15);
    }
    .nav-search i {
      position: absolute;
      left: 15px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 14px;
    }
    .nav-cta-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary);
      color: #FFF !important;
      padding: 9px 22px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 14px rgba(225, 29, 72, 0.28);
      transition: var(--transition);
    }
    .nav-cta-btn:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(225, 29, 72, 0.38);
    }
    .nav-tabs-row {
      padding: 8px 0;
      overflow-x: auto;
      white-space: nowrap;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
    }
    .nav-tabs-row::-webkit-scrollbar { display: none; }
    .channel-pills {
      display: flex;
      gap: 8px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .channel-pills li a {
      display: inline-block;
      padding: 6px 18px;
      font-size: 13px;
      font-weight: 500;
      color: var(--text-body);
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-pill);
      transition: var(--transition);
    }
    .channel-pills li a:hover,
    .channel-pills li.active a {
      background: var(--primary);
      color: #FFF;
      border-color: var(--primary);
    }

    /* 分类页主体通用 Section */
    .cat-section {
      padding: 60px 0;
      position: relative;
    }
    .cat-section-alt {
      background-color: var(--bg-light);
    }

    /* 板块 1: 分类标头与面包屑 */
    .category-header-wrap {
      padding: 44px 0 32px;
      background: linear-gradient(180deg, #FFF1F2 0%, #FFFFFF 100%);
      border-bottom: 1px solid var(--border-color);
    }
    .crumb-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 16px;
    }
    .crumb-nav a { color: var(--text-muted); }
    .crumb-nav a:hover { color: var(--primary); }
    .crumb-nav span.sep { opacity: 0.5; }
    .cat-main-h1 {
      font-size: 32px;
      font-weight: 800;
      color: var(--secondary);
      line-height: 1.3;
      margin-bottom: 12px;
    }
    .cat-lead-summary {
      font-size: 15px;
      color: var(--text-body);
      max-width: 860px;
      margin: 0;
      line-height: 1.7;
    }

    /* 板块 2: 过滤与筛选控制条 */
    .filter-bar {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px 20px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 36px;
    }
    .filter-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .filter-btn {
      display: inline-block;
      padding: 6px 16px;
      font-size: 13px;
      font-weight: 500;
      border-radius: var(--radius-pill);
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      color: var(--text-body);
      cursor: pointer;
      transition: var(--transition);
    }
    .filter-btn:hover, .filter-btn.active {
      background: var(--secondary);
      color: #FFF;
      border-color: var(--secondary);
    }
    .filter-stats-text {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 板块 3: 核心教程卡片网格 */
    .tut-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
      margin-bottom: 24px;
    }
    .tut-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(225, 29, 72, 0.3);
    }
    .tut-thumb {
      position: relative;
      height: 180px;
      overflow: hidden;
      background: #0F172A;
    }
    .tut-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
      border-radius: 0;
    }
    .tut-card:hover .tut-thumb img {
      transform: scale(1.05);
    }
    .tut-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(15, 23, 42, 0.85);
      color: #FFF;
      font-size: 11px;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: var(--radius-pill);
      backdrop-filter: blur(4px);
    }
    .tut-time {
      position: absolute;
      bottom: 12px;
      right: 12px;
      background: rgba(0, 0, 0, 0.7);
      color: #FFF;
      font-size: 11px;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .tut-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .tut-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--secondary);
      line-height: 1.4;
      margin-bottom: 8px;
    }
    .tut-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .tut-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid #F1F5F9;
      padding-top: 12px;
      font-size: 12px;
      color: var(--text-muted);
    }
    .tut-foot .read-link {
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块 4: 焦点主推指南卡 */
    .featured-guide-banner {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.94), rgba(15, 23, 42, 0.85)), url('/assets/images/589ecdf7b1d3a82e.jpg') center/cover no-repeat;
      border-radius: var(--radius-lg);
      padding: 44px 40px;
      color: #FFF;
      box-shadow: 0 12px 30px rgba(15, 23, 42, 0.15);
      margin: 20px 0 40px;
    }
    .f-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      background: var(--primary);
      color: #FFF;
      font-size: 12px;
      font-weight: 600;
      margin-bottom: 14px;
    }
    .f-title {
      font-size: 26px;
      font-weight: 800;
      color: #FFF;
      margin-bottom: 12px;
      line-height: 1.3;
    }
    .f-desc {
      font-size: 14px;
      color: #CBD5E1;
      line-height: 1.7;
      max-width: 720px;
      margin-bottom: 24px;
    }
    .f-steps-row {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 24px;
    }
    .f-step-item {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-sm);
      padding: 12px 18px;
      flex: 1;
      min-width: 140px;
    }
    .f-step-num {
      color: #FDA4AF;
      font-weight: 800;
      font-size: 12px;
      margin-bottom: 4px;
    }
    .f-step-text {
      font-size: 13px;
      font-weight: 600;
      color: #FFF;
    }

    /* 板块 5: 场景实操图文技巧 */
    .scenario-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      height: 100%;
      box-shadow: var(--shadow-sm);
    }
    .scenario-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin-bottom: 18px;
    }
    .scenario-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 10px;
    }
    .scenario-text {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .check-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .check-list li {
      position: relative;
      padding-left: 24px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 8px;
      line-height: 1.5;
    }
    .check-list li::before {
      content: "\f00c";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      position: absolute;
      left: 0;
      top: 1px;
      color: #10B981;
      font-size: 12px;
    }

    /* 板块 6: 教程热门点击榜 */
    .ranking-box {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }
    .rank-item {
      display: flex;
      align-items: center;
      padding: 14px 0;
      border-bottom: 1px solid #F1F5F9;
      gap: 16px;
    }
    .rank-item:last-child { border-bottom: none; }
    .rank-idx {
      width: 28px;
      height: 28px;
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 13px;
      background: #F1F5F9;
      color: var(--text-muted);
      flex-shrink: 0;
    }
    .rank-idx.top1 { background: #FFE4E6; color: var(--primary); }
    .rank-idx.top2 { background: #FEF3C7; color: #D97706; }
    .rank-idx.top3 { background: #EDE9FE; color: var(--accent-purple); }
    .rank-content { flex-grow: 1; }
    .rank-item-title {
      font-size: 14px;
      font-weight: 600;
      color: var(--secondary);
      margin-bottom: 2px;
    }
    .rank-item-desc {
      font-size: 12px;
      color: var(--text-muted);
    }
    .rank-hot-bar {
      font-size: 12px;
      color: var(--primary);
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块 7: 适配规范两列排版 */
    .specs-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      height: 100%;
    }
    .specs-header {
      font-size: 17px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .specs-row {
      display: flex;
      justify-content: space-between;
      padding: 10px 0;
      border-bottom: 1px dashed #E2E8F0;
      font-size: 13px;
    }
    .specs-row:last-child{ border-bottom: none; }
    .specs-label { color: var(--text-muted); }
    .specs-val { font-weight: 600; color: var(--text-main); text-align: right; }

    /* 板块 8: 常见问答 FAQ */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      box-shadow: var(--shadow-sm);
    }
    .faq-q {
      font-size: 15px;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .faq-q i { color: var(--primary); font-size: 16px; }
    .faq-a {
      font-size: 13px;
      color: var(--text-body);
      line-height: 1.7;
      margin: 0;
      padding-left: 26px;
    }

    /* 板块 9: 末端分页与引导动作 */
    .pagination-bar {
      margin-top: 40px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
    }
    .page-numbers {
      display: flex;
      gap: 6px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .page-numbers li a, .page-numbers li span {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      font-size: 13px;
      font-weight: 600;
      color: var(--text-body);
      background: #FFF;
    }
    .page-numbers li.active span {
      background: var(--primary);
      color: #FFF;
      border-color: var(--primary);
    }
    .page-numbers li a:hover {
      background: var(--bg-light);
      border-color: var(--primary);
      color: var(--primary);
    }
    .btn-action-more {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 24px;
      background: var(--secondary);
      color: #FFF !important;
      font-size: 13px;
      font-weight: 600;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
    }
    .btn-action-more:hover {
      background: #1E293B;
      transform: translateY(-1px);
    }

    /* 全局统一页脚 */
    .site-footer {
      background: #0B1120;
      color: #94A3B8;
      padding: 72px 0 32px;
      border-top: 1px solid #1E293B;
    }
    .footer-brand {
      font-size: 20px;
      font-weight: 800;
      color: #FFF;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
    }
    .footer-desc {
      font-size: 13px;
      line-height: 1.7;
      color: #64748B;
      margin-bottom: 20px;
    }
    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: #F8FAFC;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      font-size: 13px;
      color: #94A3B8;
    }
    .footer-links a:hover {
      color: #FDA4AF;
    }
    .footer-bottom-bar {
      margin-top: 56px;
      padding-top: 24px;
      border-top: 1px solid #1E293B;
      font-size: 12px;
      color: #475569;
      text-align: center;
    }
    .footer-bottom-bar p { margin-bottom: 0; }

    @media (max-width: 768px) {
      .nav-search { display: none; }
      .featured-guide-banner { padding: 28px 20px; }
      .cat-main-h1 { font-size: 24px; }
      .cat-section { padding: 40px 0; }
    }