/* roulang page: index */
:root {
      --primary: #5856D6;
      --primary-hover: #4744b8;
      --secondary: #FF375F;
      --secondary-hover: #e0284e;
      --accent: #30D158;
      --dark: #12131A;
      --dark-card: #1c1e2b;
      --heading: #1D1D1F;
      --body: #3A3A3C;
      --muted: #8E8E93;
      --light-bg: #F8F9FD;
      --alt-bg: #F2F4FC;
      --surface: #FFFFFF;
      --border-color: rgba(88, 86, 214, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 50px;
      --shadow-soft: 0 10px 30px rgba(88, 86, 214, 0.06);
      --shadow-hover: 0 20px 40px rgba(88, 86, 214, 0.14);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--body);
      background-color: var(--light-bg);
      line-height: 1.65;
      overflow-x: hidden;
      padding-top: 86px;
    }

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

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

    /* 悬浮胶囊导航 */
    .capsule-nav-wrap {
      position: fixed;
      top: 14px;
      left: 0;
      right: 0;
      z-index: 1030;
      display: flex;
      justify-content: center;
      padding: 0 16px;
    }

    .capsule-nav {
      width: 100%;
      max-width: 1180px;
      background: rgba(255, 255, 255, 0.84);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1px solid rgba(255, 255, 255, 0.7);
      box-shadow: 0 8px 32px rgba(88, 86, 214, 0.1);
      border-radius: 999px;
      padding: 8px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--heading);
      letter-spacing: -0.2px;
    }

    .nav-brand .brand-badge {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: 0 4px 12px rgba(255, 55, 95, 0.3);
    }

    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 4px;
    }

    .nav-links li a {
      font-size: 0.94rem;
      font-weight: 500;
      color: var(--heading);
      padding: 7px 16px;
      border-radius: var(--radius-pill);
      transition: var(--transition);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary);
    }

    .btn-pill-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      color: #fff !important;
      font-weight: 600;
      font-size: 0.92rem;
      padding: 8px 22px;
      border-radius: var(--radius-pill);
      border: none;
      box-shadow: 0 6px 18px rgba(88, 86, 214, 0.25);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }

    .btn-pill-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(88, 86, 214, 0.35);
      color: #fff;
    }

    .btn-pill-outline {
      background: transparent;
      color: var(--primary) !important;
      border: 1.5px solid var(--primary);
      font-weight: 600;
      font-size: 0.92rem;
      padding: 7px 20px;
      border-radius: var(--radius-pill);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .btn-pill-outline:hover {
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary-hover);
    }

    /* 板块通用 */
    section {
      padding: 85px 0;
      position: relative;
    }

    .section-alt {
      background-color: var(--alt-bg);
    }

    .section-white {
      background-color: var(--surface);
    }

    .section-dark {
      background-color: var(--dark);
      color: #F8F9FD;
    }

    .sec-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.84rem;
      font-weight: 600;
      color: var(--primary);
      background: rgba(88, 86, 214, 0.08);
      padding: 5px 14px;
      border-radius: var(--radius-pill);
      margin-bottom: 14px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .sec-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--heading);
      letter-spacing: -0.5px;
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .sec-title-light {
      color: #ffffff;
    }

    .sec-desc {
      font-size: 1.05rem;
      color: var(--muted);
      max-width: 680px;
      margin-bottom: 40px;
      line-height: 1.7;
    }

    .sec-desc-light {
      color: rgba(255, 255, 255, 0.7);
    }

    /* Hero：深色信息面板 + 互动排行原型 */
    .hero-section {
      padding: 50px 0 80px 0;
      background: radial-gradient(circle at top right, rgba(88, 86, 214, 0.15) 0%, rgba(248, 249, 253, 0) 65%);
    }

    .hero-panel {
      background: linear-gradient(145deg, #141624 0%, #1c1d2e 100%);
      border-radius: 28px;
      padding: 50px 45px;
      color: #fff;
      box-shadow: 0 25px 60px rgba(18, 19, 26, 0.22);
      border: 1px solid rgba(255, 255, 255, 0.08);
      position: relative;
      overflow: hidden;
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(255, 55, 95, 0.2) 0%, rgba(0, 0, 0, 0) 70%);
      top: -120px;
      right: -80px;
      border-radius: 50%;
      pointer-events: none;
    }

    .hero-title {
      font-size: 2.65rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 22px;
      letter-spacing: -0.6px;
    }

    .hero-title span {
      background: linear-gradient(135deg, #ff6b8b, #a5a4ff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.08rem;
      color: rgba(255, 255, 255, 0.8);
      margin-bottom: 32px;
      line-height: 1.8;
      max-width: 580px;
    }

    .hero-trust-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      margin-top: 36px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
    }

    .hero-trust-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.88rem;
      color: rgba(255, 255, 255, 0.85);
    }

    .hero-trust-item i {
      color: var(--accent);
      font-size: 1rem;
    }

    /* 右侧排行榜骨架 */
    .hero-rank-box {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(12px);
      border-radius: 20px;
      padding: 24px;
      position: relative;
    }

    .rank-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 18px;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .rank-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .rank-tag-live {
      font-size: 0.75rem;
      background: rgba(48, 209, 88, 0.2);
      color: var(--accent);
      border: 1px solid rgba(48, 209, 88, 0.4);
      padding: 2px 10px;
      border-radius: var(--radius-pill);
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .rank-tag-live::before {
      content: "";
      width: 6px;
      height: 6px;
      background: var(--accent);
      border-radius: 50%;
      display: inline-block;
    }

    .rank-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 14px;
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.03);
      margin-bottom: 10px;
      transition: var(--transition);
    }

    .rank-item:hover {
      background: rgba(255, 255, 255, 0.08);
      transform: translateX(4px);
    }

    .rank-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .rank-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #3c3e55;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
      color: #fff;
    }

    .rank-num {
      width: 20px;
      font-weight: 800;
      font-size: 0.9rem;
      color: rgba(255, 255, 255, 0.5);
    }

    .rank-num.top1 { color: #FFD700; }
    .rank-num.top2 { color: #C0C0C0; }
    .rank-num.top3 { color: #CD7F32; }

    .rank-meta h5 {
      font-size: 0.92rem;
      margin: 0;
      color: #fff;
      font-weight: 600;
    }

    .rank-meta p {
      font-size: 0.78rem;
      margin: 0;
      color: rgba(255, 255, 255, 0.6);
    }

    .rank-badge-affinity {
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--secondary);
      background: rgba(255, 55, 95, 0.15);
      padding: 4px 10px;
      border-radius: var(--radius-pill);
    }

    /* 通用圆角卡片 */
    .app-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-color);
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .app-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(88, 86, 214, 0.25);
    }

    .app-card-icon {
      width: 58px;
      height: 58px;
      border-radius: 16px;
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      margin-bottom: 20px;
      transition: var(--transition);
    }

    .app-card:hover .app-card-icon {
      background: var(--primary);
      color: #fff;
    }

    .app-card h4 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--heading);
      margin-bottom: 12px;
    }

    .app-card p {
      font-size: 0.95rem;
      color: var(--muted);
      line-height: 1.65;
      margin-bottom: 0;
    }

    /* 场景展示交错图文 */
    .scenario-block {
      background: var(--surface);
      border-radius: 24px;
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-color);
      margin-bottom: 30px;
    }

    .scenario-img {
      width: 100%;
      height: 320px;
      object-fit: cover;
    }

    .scenario-body {
      padding: 40px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      height: 100%;
    }

    .scenario-tag {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--secondary);
      letter-spacing: 1px;
      margin-bottom: 8px;
      display: inline-block;
    }

    .scenario-body h3 {
      font-size: 1.65rem;
      font-weight: 800;
      color: var(--heading);
      margin-bottom: 16px;
    }

    .scenario-body p {
      color: var(--muted);
      font-size: 0.98rem;
      line-height: 1.7;
      margin-bottom: 20px;
    }

    /* 画廊截图演示 */
    .device-mockup-frame {
      background: linear-gradient(135deg, #1c1d2e 0%, #0d0f17 100%);
      border-radius: 28px;
      padding: 30px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      box-shadow: 0 30px 70px rgba(0,0,0,0.3);
      position: relative;
    }

    .device-screen-img {
      border-radius: 18px;
      width: 100%;
      height: 440px;
      object-fit: cover;
      box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    }

    .feature-step-card {
      background: var(--surface);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 18px;
      border-left: 4px solid var(--primary);
      box-shadow: var(--shadow-soft);
    }

    .feature-step-card h5 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--heading);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .feature-step-card p {
      font-size: 0.92rem;
      color: var(--muted);
      margin: 0;
    }

    /* 真实案例集 */
    .story-card {
      background: var(--surface);
      border-radius: 20px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      padding: 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
      transition: var(--transition);
    }

    .story-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }

    .story-user {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 18px;
    }

    .story-user img {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      object-fit: cover;
      border: 2px solid var(--primary);
    }

    .story-user-meta h5 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--heading);
      margin: 0;
    }

    .story-user-meta span {
      font-size: 0.82rem;
      color: var(--muted);
    }

    .story-quote {
      font-size: 0.96rem;
      line-height: 1.7;
      color: var(--body);
      margin-bottom: 20px;
      position: relative;
    }

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

    .story-tag {
      font-size: 0.78rem;
      background: var(--alt-bg);
      color: var(--primary);
      padding: 4px 10px;
      border-radius: var(--radius-pill);
      font-weight: 500;
    }

    /* 价格矩阵套餐 */
    .pricing-card {
      background: var(--surface);
      border-radius: 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      padding: 40px 32px;
      position: relative;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .pricing-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 20px 45px rgba(88, 86, 214, 0.16);
      transform: scale(1.03);
    }

    .featured-ribbon {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, var(--secondary), var(--primary));
      color: #fff;
      font-size: 0.78rem;
      font-weight: 700;
      padding: 4px 16px;
      border-radius: var(--radius-pill);
      letter-spacing: 0.5px;
      box-shadow: 0 4px 12px rgba(255, 55, 95, 0.3);
    }

    .pricing-header h4 {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--heading);
      margin-bottom: 6px;
    }

    .pricing-header p {
      font-size: 0.88rem;
      color: var(--muted);
      margin-bottom: 20px;
    }

    .pricing-cost {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--heading);
      margin-bottom: 26px;
    }

    .pricing-cost small {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--muted);
    }

    .pricing-features {
      list-style: none;
      padding: 0;
      margin: 0 0 30px 0;
      flex-grow: 1;
    }

    .pricing-features li {
      font-size: 0.92rem;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--body);
    }

    .pricing-features li i {
      color: var(--accent);
      font-size: 1.1rem;
    }

    /* 评价墙 */
    .masonry-card {
      background: var(--surface);
      border-radius: 18px;
      padding: 24px;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-color);
      margin-bottom: 24px;
      transition: var(--transition);
    }

    .masonry-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }

    .masonry-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
    }

    .masonry-stars {
      color: #FFB800;
      font-size: 0.88rem;
    }

    .masonry-text {
      font-size: 0.94rem;
      line-height: 1.65;
      color: var(--body);
      margin-bottom: 16px;
    }

    .masonry-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: var(--muted);
      border-top: 1px solid var(--alt-bg);
      padding-top: 12px;
    }

    /* 数字计数板 */
    .kpi-board {
      background: #fff;
      border-radius: 24px;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-color);
      padding: 40px 20px;
    }

    .kpi-item {
      text-align: center;
      padding: 10px 20px;
      border-right: 1px solid var(--alt-bg);
    }

    .kpi-item:last-child {
      border-right: none;
    }

    .kpi-val {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .kpi-title {
      font-size: 0.92rem;
      color: var(--muted);
      font-weight: 600;
    }

    /* 分类探索入口 (全页唯一允许指向 5 个扩展分类页的聚合入口) */
    .category-tile {
      background: var(--surface);
      border-radius: 22px;
      border: 1px solid var(--border-color);
      padding: 26px;
      transition: var(--transition);
      display: block;
      height: 100%;
      position: relative;
      overflow: hidden;
    }

    .category-tile:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }

    .cat-icon-badge {
      width: 50px;
      height: 50px;
      border-radius: 14px;
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 18px;
      transition: var(--transition);
    }

    .category-tile:hover .cat-icon-badge {
      background: var(--primary);
      color: #fff;
    }

    .category-tile h4 {
      font-size: 1.22rem;
      font-weight: 700;
      color: var(--heading);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .category-tile p {
      font-size: 0.9rem;
      color: var(--muted);
      margin-bottom: 0;
      line-height: 1.6;
    }

    /* CMS 资讯卡片列表 */
    .news-card {
      background: var(--surface);
      border-radius: 20px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: var(--transition);
    }

    .news-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }

    .news-thumb-box {
      width: 100%;
      height: 200px;
      overflow: hidden;
      position: relative;
    }

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

    .news-card:hover .news-thumb-box img {
      transform: scale(1.06);
    }

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

    .news-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
      font-size: 0.82rem;
      color: var(--muted);
    }

    .news-category {
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary);
      padding: 3px 10px;
      border-radius: var(--radius-pill);
      font-weight: 600;
    }

    .news-title {
      font-size: 1.12rem;
      font-weight: 700;
      color: var(--heading);
      margin-bottom: 10px;
      line-height: 1.45;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-excerpt {
      font-size: 0.88rem;
      color: var(--muted);
      line-height: 1.6;
      margin-bottom: 16px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      flex-grow: 1;
    }

    .news-link {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .news-link:hover {
      color: var(--secondary);
      gap: 9px;
    }

    /* 安全防伪盾牌微交互 */
    .shield-card {
      background: linear-gradient(145deg, #1a1c29 0%, #13141f 100%);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 20px;
      padding: 32px 28px;
      color: #fff;
      height: 100%;
      transition: var(--transition);
    }

    .shield-card:hover {
      border-color: rgba(48, 209, 88, 0.4);
      transform: translateY(-5px);
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
    }

    .shield-icon {
      width: 54px;
      height: 54px;
      border-radius: 14px;
      background: rgba(48, 209, 88, 0.12);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      margin-bottom: 20px;
    }

    .shield-card h4 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: #fff;
    }

    .shield-card p {
      font-size: 0.92rem;
      color: rgba(255, 255, 255, 0.7);
      line-height: 1.65;
      margin: 0;
    }

    /* 移动端多端同步与下载 */
    .download-card {
      background: var(--surface);
      border-radius: 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      padding: 48px 40px;
    }

    .qr-box {
      background: #F8F9FD;
      border: 2px dashed rgba(88, 86, 214, 0.3);
      border-radius: 20px;
      padding: 24px;
      text-align: center;
      display: inline-block;
    }

    .qr-frame {
      width: 170px;
      height: 170px;
      background: #fff;
      border-radius: 14px;
      margin: 0 auto 14px auto;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid rgba(0,0,0,0.06);
      box-shadow: 0 4px 14px rgba(0,0,0,0.05);
    }

    .qr-frame i {
      font-size: 7.5rem;
      color: var(--heading);
    }

    /* FAQ 手风琴深度定制 */
    .faq-item {
      background: var(--surface);
      border-radius: 16px;
      border: 1px solid var(--border-color);
      margin-bottom: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
    }

    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--heading);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question i {
      font-size: 1.1rem;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-question i {
      transform: rotate(180deg);
    }

    .faq-item.active {
      border-color: var(--primary);
      box-shadow: var(--shadow-hover);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 24px;
      font-size: 0.94rem;
      color: var(--muted);
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 0 24px 22px 24px;
    }

    /* 全局 CTA 收口区 */
    .cta-banner {
      background: linear-gradient(135deg, #1c183a 0%, #2f1d44 50%, #4a224a 100%);
      border-radius: 28px;
      padding: 60px 40px;
      color: #fff;
      text-align: center;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
      position: relative;
      overflow: hidden;
    }

    .cta-banner::before {
      content: "";
      position: absolute;
      width: 320px;
      height: 320px;
      background: radial-gradient(circle, rgba(255, 55, 95, 0.25) 0%, rgba(0,0,0,0) 70%);
      top: -60px;
      left: 10%;
      border-radius: 50%;
    }

    /* 页脚 */
    .site-footer {
      background: var(--dark);
      color: #9A9AA2;
      padding: 75px 0 35px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.92rem;
    }

    .footer-brand {
      font-size: 1.35rem;
      font-weight: 800;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 18px;
    }

    .footer-heading {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 20px;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .footer-links li {
      margin-bottom: 12px;
    }

    .footer-links li a:hover {
      color: #fff;
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 50px;
      padding-top: 25px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 15px;
      font-size: 0.85rem;
    }

    /* 移动端菜单弹层 */
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--heading);
      cursor: pointer;
    }

    @media (max-width: 991.98px) {
      body {
        padding-top: 74px;
      }

      .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-radius: 20px;
        padding: 20px;
        flex-direction: column;
        box-shadow: 0 16px 36px rgba(0, 0, 0, 0.12);
        border: 1px solid var(--border-color);
        gap: 8px;
      }

      .nav-links.show {
        display: flex;
      }

      .mobile-menu-btn {
        display: block;
      }

      .hero-panel {
        padding: 32px 24px;
      }

      .hero-title {
        font-size: 2rem;
      }

      .kpi-item {
        border-right: none;
        border-bottom: 1px solid var(--alt-bg);
        margin-bottom: 16px;
      }

      .kpi-item:last-child {
        border-bottom: none;
        margin-bottom: 0;
      }
    }

/* roulang page: article */
:root {
      --primary: #5856D6;
      --primary-hover: #4744b8;
      --secondary: #FF375F;
      --secondary-hover: #e0284e;
      --accent: #30D158;
      --dark: #12131A;
      --dark-card: #1c1e2b;
      --heading: #1D1D1F;
      --body: #3A3A3C;
      --muted: #8E8E93;
      --light-bg: #F8F9FD;
      --alt-bg: #F2F4FC;
      --surface: #FFFFFF;
      --border-color: rgba(88, 86, 214, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 50px;
      --shadow-soft: 0 10px 30px rgba(88, 86, 214, 0.06);
      --shadow-hover: 0 20px 40px rgba(88, 86, 214, 0.14);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--body);
      background-color: var(--light-bg);
      line-height: 1.65;
      overflow-x: hidden;
      padding-top: 86px;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* 悬浮胶囊导航 */
    .capsule-nav-wrap {
      position: fixed;
      top: 14px;
      left: 0;
      right: 0;
      z-index: 1030;
      display: flex;
      justify-content: center;
      padding: 0 16px;
    }
    .capsule-nav {
      width: 100%;
      max-width: 1180px;
      background: rgba(255, 255, 255, 0.84);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1px solid rgba(255, 255, 255, 0.7);
      box-shadow: 0 8px 32px rgba(88, 86, 214, 0.1);
      border-radius: 999px;
      padding: 8px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--heading);
      letter-spacing: -0.2px;
    }
    .nav-brand .brand-badge {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: 0 4px 12px rgba(255, 55, 95, 0.3);
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 4px;
    }
    .nav-links li a {
      font-size: 0.94rem;
      font-weight: 500;
      color: var(--heading);
      padding: 7px 16px;
      border-radius: var(--radius-pill);
      transition: var(--transition);
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary);
    }
    .btn-pill-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      color: #fff !important;
      font-weight: 600;
      font-size: 0.92rem;
      padding: 8px 22px;
      border-radius: var(--radius-pill);
      border: none;
      box-shadow: 0 6px 18px rgba(88, 86, 214, 0.25);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }
    .btn-pill-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(88, 86, 214, 0.35);
      color: #fff;
    }
    .btn-pill-outline {
      background: transparent;
      color: var(--primary) !important;
      border: 1.5px solid var(--primary);
      font-weight: 600;
      font-size: 0.92rem;
      padding: 7px 20px;
      border-radius: var(--radius-pill);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-pill-outline:hover {
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary-hover);
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--heading);
      padding: 4px;
      cursor: pointer;
    }

    /* 移动端导航抽屉 */
    @media (max-width: 991px) {
      .capsule-nav-wrap {
        padding: 0 12px;
      }
      .capsule-nav {
        border-radius: var(--radius-lg);
        padding: 10px 18px;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 12px;
        right: 12px;
        background: #ffffff;
        border-radius: var(--radius-lg);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
        flex-direction: column;
        padding: 16px;
        gap: 8px;
        border: 1px solid rgba(88, 86, 214, 0.1);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li a {
        display: block;
        padding: 10px 16px;
      }
    }

    /* 板块结构 */
    section {
      padding: 75px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--alt-bg);
    }
    .section-white {
      background-color: var(--surface);
    }
    .section-dark {
      background-color: var(--dark);
      color: #F8F9FD;
    }
    .sec-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.84rem;
      font-weight: 600;
      color: var(--primary);
      background: rgba(88, 86, 214, 0.08);
      padding: 5px 14px;
      border-radius: var(--radius-pill);
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }
    .sec-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--heading);
      letter-spacing: -0.5px;
      margin-bottom: 14px;
      line-height: 1.3;
    }

    /* 文章头部 Hero 区：蓝图路线图节点风格 */
    .article-roadmap-hero {
      padding: 45px 0 60px;
      background: radial-gradient(circle at top right, rgba(88, 86, 214, 0.12) 0%, rgba(248, 249, 253, 0) 65%);
    }
    .roadmap-badge-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      margin-bottom: 20px;
    }
    .article-main-h1 {
      font-size: 2.35rem;
      font-weight: 800;
      color: var(--heading);
      line-height: 1.35;
      letter-spacing: -0.5px;
      margin-bottom: 24px;
    }
    .article-lead-box {
      background: var(--surface);
      border-left: 4px solid var(--primary);
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      padding: 22px 26px;
      box-shadow: var(--shadow-soft);
      font-size: 1.05rem;
      color: #4a4a50;
      line-height: 1.8;
      margin-bottom: 30px;
    }

    /* 版本节点推进条 */
    .release-milestone-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 22px 28px;
      box-shadow: var(--shadow-soft);
      margin-bottom: 35px;
    }
    .milestone-steps {
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: relative;
      margin: 18px 0 10px;
    }
    .milestone-steps::before {
      content: "";
      position: absolute;
      top: 50%;
      left: 30px;
      right: 30px;
      height: 3px;
      background: rgba(88, 86, 214, 0.15);
      z-index: 1;
      transform: translateY(-50%);
    }
    .milestone-item {
      position: relative;
      z-index: 2;
      background: #ffffff;
      padding: 0 10px;
      text-align: center;
    }
    .milestone-dot {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: #ffffff;
      border: 3px solid var(--primary);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: bold;
      margin: 0 auto 6px;
    }
    .milestone-item.active .milestone-dot {
      background: var(--primary);
      color: #ffffff;
      box-shadow: 0 0 0 5px rgba(88, 86, 214, 0.2);
    }
    .milestone-text {
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--heading);
    }

    /* 富文本主体容器 */
    .article-content-container {
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 45px 50px;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(88, 86, 214, 0.08);
      font-size: 1.05rem;
      line-height: 1.85;
      color: #2c2d30;
    }
    .article-content-container h2 {
      font-size: 1.55rem;
      font-weight: 700;
      color: var(--heading);
      margin-top: 36px;
      margin-bottom: 18px;
      padding-bottom: 10px;
      border-bottom: 2px solid rgba(88, 86, 214, 0.12);
      position: relative;
    }
    .article-content-container h2::after {
      content: "";
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 50px;
      height: 2px;
      background: var(--primary);
    }
    .article-content-container h3 {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--heading);
      margin-top: 28px;
      margin-bottom: 14px;
    }
    .article-content-container p {
      margin-bottom: 20px;
    }
    .article-content-container blockquote {
      border-left: 4px solid var(--secondary);
      background: rgba(255, 55, 95, 0.04);
      padding: 18px 24px;
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      margin: 28px 0;
      font-style: normal;
      color: #4a4a50;
    }
    .article-content-container img {
      border-radius: var(--radius-md);
      margin: 28px auto;
      box-shadow: var(--shadow-soft);
    }

    /* 标签与互动栏 */
    .article-interaction-bar {
      margin-top: 35px;
      padding-top: 25px;
      border-top: 1px solid rgba(0, 0, 0, 0.06);
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }
    .article-tag {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      background: var(--alt-bg);
      color: var(--primary);
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      font-size: 0.88rem;
      font-weight: 500;
    }

    /* 作者专栏与安全防诈声明卡片 */
    .author-trust-card {
      background: linear-gradient(135deg, rgba(88, 86, 214, 0.04) 0%, rgba(255, 55, 95, 0.04) 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 26px 30px;
    }

    /* 上下篇切换组件 */
    .post-nav-card {
      background: var(--surface);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(88, 86, 214, 0.08);
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: center;
      transition: var(--transition);
    }
    .post-nav-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }

    /* 相关动态卡片 */
    .related-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      border: 1px solid rgba(88, 86, 214, 0.08);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .related-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    .related-img-wrap {
      width: 100%;
      height: 190px;
      overflow: hidden;
      position: relative;
    }
    .related-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .related-card:hover .related-img-wrap img {
      transform: scale(1.06);
    }
    .related-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    /* 收尾订阅与转化区 */
    .cta-banner-box {
      background: linear-gradient(145deg, #161828 0%, #1f2238 100%);
      border-radius: 24px;
      padding: 50px 40px;
      color: #ffffff;
      box-shadow: 0 20px 50px rgba(18, 19, 26, 0.2);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    /* 页脚 */
    .site-footer {
      background: var(--dark);
      color: #a0a2b3;
      padding: 75px 0 35px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
    }
    .footer-heading {
      color: #ffffff;
      font-size: 1.02rem;
      font-weight: 600;
      margin-bottom: 22px;
      position: relative;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 11px;
    }
    .footer-links a {
      color: #8c8ea0;
      font-size: 0.92rem;
    }
    .footer-links a:hover {
      color: #ffffff;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      margin-top: 55px;
      padding-top: 25px;
      font-size: 0.85rem;
      color: #636578;
    }

    @media (max-width: 767px) {
      .article-roadmap-hero {
        padding: 30px 0 40px;
      }
      .article-main-h1 {
        font-size: 1.65rem;
      }
      .article-content-container {
        padding: 24px 20px;
      }
      .milestone-steps {
        flex-direction: column;
        gap: 14px;
        align-items: flex-start;
      }
      .milestone-steps::before {
        display: none;
      }
      .milestone-item {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 0;
      }
      .milestone-dot {
        margin: 0;
      }
      .cta-banner-box {
        padding: 32px 20px;
      }
    }

/* roulang page: category1 */
:root {
      --primary: #5856D6;
      --primary-hover: #4744b8;
      --secondary: #FF375F;
      --secondary-hover: #e0284e;
      --accent: #30D158;
      --dark: #12131A;
      --dark-card: #1c1e2b;
      --heading: #1D1D1F;
      --body: #3A3A3C;
      --muted: #8E8E93;
      --light-bg: #F8F9FD;
      --alt-bg: #F2F4FC;
      --surface: #FFFFFF;
      --border-color: rgba(88, 86, 214, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 50px;
      --shadow-soft: 0 10px 30px rgba(88, 86, 214, 0.06);
      --shadow-hover: 0 20px 40px rgba(88, 86, 214, 0.14);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--body);
      background-color: var(--light-bg);
      line-height: 1.65;
      overflow-x: hidden;
      padding-top: 86px;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .capsule-nav-wrap {
      position: fixed;
      top: 14px;
      left: 0;
      right: 0;
      z-index: 1030;
      display: flex;
      justify-content: center;
      padding: 0 16px;
    }
    .capsule-nav {
      width: 100%;
      max-width: 1180px;
      background: rgba(255, 255, 255, 0.84);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1px solid rgba(255, 255, 255, 0.7);
      box-shadow: 0 8px 32px rgba(88, 86, 214, 0.1);
      border-radius: 999px;
      padding: 8px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--heading);
      letter-spacing: -0.2px;
    }
    .nav-brand .brand-badge {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: 0 4px 12px rgba(255, 55, 95, 0.3);
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 4px;
    }
    .nav-links li a {
      font-size: 0.94rem;
      font-weight: 500;
      color: var(--heading);
      padding: 7px 16px;
      border-radius: var(--radius-pill);
      transition: var(--transition);
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary);
    }
    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: none;
      font-size: 1.5rem;
      color: var(--heading);
      cursor: pointer;
    }
    .btn-pill-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      color: #fff !important;
      font-weight: 600;
      font-size: 0.92rem;
      padding: 8px 22px;
      border-radius: var(--radius-pill);
      border: none;
      box-shadow: 0 6px 18px rgba(88, 86, 214, 0.25);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }
    .btn-pill-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(88, 86, 214, 0.35);
      color: #fff;
    }
    .btn-pill-outline {
      background: transparent;
      color: var(--primary) !important;
      border: 1.5px solid var(--primary);
      font-weight: 600;
      font-size: 0.92rem;
      padding: 7px 20px;
      border-radius: var(--radius-pill);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-pill-outline:hover {
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary-hover);
    }
    section {
      padding: 80px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--alt-bg);
    }
    .section-white {
      background-color: var(--surface);
    }
    .section-dark {
      background-color: var(--dark);
      color: #F8F9FD;
    }
    .sec-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.84rem;
      font-weight: 600;
      color: var(--primary);
      background: rgba(88, 86, 214, 0.08);
      padding: 5px 14px;
      border-radius: var(--radius-pill);
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }
    .sec-badge-light {
      color: #FF375F;
      background: rgba(255, 55, 95, 0.12);
    }
    .sec-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--heading);
      letter-spacing: -0.5px;
      margin-bottom: 14px;
      line-height: 1.3;
    }
    .sec-title-light {
      color: #ffffff;
    }
    .sec-subtitle {
      font-size: 1.02rem;
      color: var(--muted);
      max-width: 680px;
      margin: 0 auto;
      line-height: 1.7;
    }

    /* 分类页定制 Header Banner */
    .cat-banner {
      padding: 40px 0 50px 0;
      background: radial-gradient(circle at 80% 20%, rgba(88, 86, 214, 0.14) 0%, rgba(248, 249, 253, 0) 70%);
      border-bottom: 1px solid rgba(88, 86, 214, 0.08);
    }
    .cat-breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.88rem;
      color: var(--muted);
      margin-bottom: 16px;
    }
    .cat-breadcrumb a:hover {
      color: var(--primary);
    }
    .cat-h1 {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--heading);
      letter-spacing: -0.5px;
      margin-bottom: 14px;
    }
    .cat-h1 span {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .cat-tags-nav {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }
    .cat-filter-chip {
      padding: 6px 18px;
      border-radius: var(--radius-pill);
      background: var(--surface);
      border: 1px solid rgba(88, 86, 214, 0.12);
      font-size: 0.88rem;
      font-weight: 500;
      color: var(--body);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
    }
    .cat-filter-chip:hover,
    .cat-filter-chip.active {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    /* 精华推荐卡 */
    .feature-lead-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      border: 1px solid rgba(88, 86, 214, 0.1);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
      transition: var(--transition);
    }
    .feature-lead-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .lead-img-box {
      position: relative;
      height: 100%;
      min-height: 280px;
      overflow: hidden;
    }
    .lead-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }
    .feature-lead-card:hover .lead-img-box img {
      transform: scale(1.05);
    }
    .lead-live-badge {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(18, 19, 26, 0.8);
      backdrop-filter: blur(8px);
      color: #fff;
      font-size: 0.78rem;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* 网格卡片 */
    .item-card {
      background: var(--surface);
      border-radius: var(--radius-md);
      border: 1px solid rgba(88, 86, 214, 0.08);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
      height: 100%;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .item-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(88, 86, 214, 0.25);
    }
    .item-card-cover {
      height: 190px;
      overflow: hidden;
      position: relative;
    }
    .item-card-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .item-card:hover .item-card-cover img {
      transform: scale(1.06);
    }
    .item-card-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .item-card-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 10px;
      font-size: 0.8rem;
      color: var(--muted);
    }
    .item-card-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--heading);
      margin-bottom: 8px;
      line-height: 1.4;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .item-card-desc {
      font-size: 0.9rem;
      color: var(--body);
      line-height: 1.6;
      margin-bottom: 16px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      flex-grow: 1;
    }

    /* 侧栏排行榜与筛选卡片 */
    .filter-panel {
      background: var(--surface);
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid rgba(88, 86, 214, 0.1);
      box-shadow: var(--shadow-soft);
      position: sticky;
      top: 100px;
    }
    .filter-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--heading);
      margin-bottom: 16px;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(88, 86, 214, 0.08);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .rank-list-item {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 14px 0;
      border-bottom: 1px dashed rgba(88, 86, 214, 0.1);
      transition: var(--transition);
    }
    .rank-list-item:last-child {
      border-bottom: none;
    }
    .rank-idx {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(88, 86, 214, 0.1);
      color: var(--primary);
      font-weight: 700;
      font-size: 0.85rem;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .rank-idx.top {
      background: linear-gradient(135deg, var(--secondary), #ff849d);
      color: #fff;
    }
    .rank-content {
      flex-grow: 1;
    }
    .rank-title {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--heading);
      margin-bottom: 4px;
      display: -webkit-box;
      -webkit-line-clamp: 1;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .rank-metric {
      font-size: 0.8rem;
      color: var(--muted);
      display: flex;
      gap: 10px;
    }

    /* 规则图文卡 */
    .rule-card {
      background: var(--surface);
      border-radius: var(--radius-md);
      padding: 28px;
      border-left: 4px solid var(--primary);
      box-shadow: var(--shadow-soft);
      height: 100%;
    }
    .rule-card.warning-style {
      border-left-color: var(--secondary);
    }

    /* 衍生横向卡 */
    .topic-tag-card {
      background: var(--surface);
      border-radius: var(--radius-md);
      padding: 20px;
      border: 1px solid rgba(88, 86, 214, 0.08);
      box-shadow: var(--shadow-soft);
      display: flex;
      align-items: center;
      gap: 14px;
      transition: var(--transition);
    }
    .topic-tag-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .topic-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      flex-shrink: 0;
    }

    /* 底部参与横幅 CTA */
    .cat-cta-box {
      background: linear-gradient(135deg, #181926 0%, #2a254d 100%);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: #fff;
      box-shadow: var(--shadow-hover);
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    /* 统一页脚 */
    .site-footer {
      background-color: var(--dark);
      color: #F8F9FD;
      padding: 70px 0 30px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
    }
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
    }
    .footer-brand .brand-badge {
      width: 34px;
      height: 34px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }
    .footer-heading {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 20px;
      letter-spacing: -0.2px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 12px;
    }
    .footer-links a {
      color: rgba(255, 255, 255, 0.6);
      font-size: 0.92rem;
    }
    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 50px;
      padding-top: 24px;
      font-size: 0.86rem;
      color: rgba(255, 255, 255, 0.45);
    }

    /* 响应式调整 */
    @media (max-width: 991px) {
      .capsule-nav {
        border-radius: 20px;
        padding: 12px 20px;
        flex-wrap: wrap;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        padding-top: 14px;
        margin-top: 10px;
        border-top: 1px solid rgba(88, 86, 214, 0.1);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 8px 12px;
      }
      .cat-h1 {
        font-size: 2rem;
      }
      .sec-title {
        font-size: 1.75rem;
      }
    }

/* roulang page: category3 */
:root {
      --primary: #5856D6;
      --primary-hover: #4744b8;
      --secondary: #FF375F;
      --secondary-hover: #e0284e;
      --accent: #30D158;
      --dark: #12131A;
      --dark-card: #1c1e2b;
      --heading: #1D1D1F;
      --body: #3A3A3C;
      --muted: #8E8E93;
      --light-bg: #F8F9FD;
      --alt-bg: #F2F4FC;
      --surface: #FFFFFF;
      --border-color: rgba(88, 86, 214, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 50px;
      --shadow-soft: 0 10px 30px rgba(88, 86, 214, 0.06);
      --shadow-hover: 0 20px 40px rgba(88, 86, 214, 0.14);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--body);
      background-color: var(--light-bg);
      line-height: 1.65;
      overflow-x: hidden;
      padding-top: 86px;
    }

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

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

    /* 悬浮胶囊导航 */
    .capsule-nav-wrap {
      position: fixed;
      top: 14px;
      left: 0;
      right: 0;
      z-index: 1030;
      display: flex;
      justify-content: center;
      padding: 0 16px;
    }

    .capsule-nav {
      width: 100%;
      max-width: 1180px;
      background: rgba(255, 255, 255, 0.84);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1px solid rgba(255, 255, 255, 0.7);
      box-shadow: 0 8px 32px rgba(88, 86, 214, 0.1);
      border-radius: 999px;
      padding: 8px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--heading);
      letter-spacing: -0.2px;
    }

    .nav-brand .brand-badge {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: 0 4px 12px rgba(255, 55, 95, 0.3);
    }

    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 4px;
    }

    .nav-links li a {
      font-size: 0.94rem;
      font-weight: 500;
      color: var(--heading);
      padding: 7px 16px;
      border-radius: var(--radius-pill);
      transition: var(--transition);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary);
    }

    .mobile-menu-btn {
      background: transparent;
      border: none;
      font-size: 1.5rem;
      color: var(--heading);
      display: none;
      cursor: pointer;
    }

    .btn-pill-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      color: #fff !important;
      font-weight: 600;
      font-size: 0.92rem;
      padding: 8px 22px;
      border-radius: var(--radius-pill);
      border: none;
      box-shadow: 0 6px 18px rgba(88, 86, 214, 0.25);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }

    .btn-pill-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(88, 86, 214, 0.35);
      color: #fff;
    }

    .btn-pill-outline {
      background: transparent;
      color: var(--primary) !important;
      border: 1.5px solid var(--primary);
      font-weight: 600;
      font-size: 0.92rem;
      padding: 7px 20px;
      border-radius: var(--radius-pill);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .btn-pill-outline:hover {
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary-hover);
    }

    /* 板块通用 */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-alt {
      background-color: var(--alt-bg);
    }

    .section-white {
      background-color: var(--surface);
    }

    .section-dark {
      background-color: var(--dark);
      color: #F8F9FD;
    }

    .sec-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.84rem;
      font-weight: 600;
      color: var(--primary);
      background: rgba(88, 86, 214, 0.08);
      padding: 5px 14px;
      border-radius: var(--radius-pill);
      margin-bottom: 14px;
    }

    .sec-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--heading);
      letter-spacing: -0.5px;
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .sec-desc {
      color: var(--muted);
      font-size: 1.05rem;
      max-width: 680px;
      margin: 0 auto 40px auto;
    }

    /* 视觉蓝图变体：分类全宽视频遮罩 Hero */
    .cat-video-hero {
      position: relative;
      min-height: 520px;
      display: flex;
      align-items: center;
      background-color: #0b0c12;
      background-image: url('/assets/images/cba5e7a4b6ef805f.jpg');
      background-size: cover;
      background-position: center;
      overflow: hidden;
      margin-top: -14px;
      padding: 90px 0 100px 0;
    }

    .cat-video-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(18, 19, 26, 0.94) 0%, rgba(88, 86, 214, 0.75) 50%, rgba(255, 55, 95, 0.7) 100%);
      backdrop-filter: blur(4px);
    }

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

    .cat-breadcrumbs {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      color: rgba(255, 255, 255, 0.7);
      margin-bottom: 20px;
    }

    .cat-breadcrumbs a {
      color: rgba(255, 255, 255, 0.85);
    }

    .cat-breadcrumbs a:hover {
      color: #fff;
    }

    .video-play-pulse {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.2);
      border: 2px solid rgba(255, 255, 255, 0.6);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.8rem;
      margin-bottom: 24px;
      box-shadow: 0 0 25px rgba(255, 255, 255, 0.3);
      cursor: pointer;
      transition: var(--transition);
    }

    .video-play-pulse:hover {
      transform: scale(1.08);
      background: rgba(255, 255, 255, 0.3);
    }

    .cat-filter-tabs {
      display: inline-flex;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.2);
      padding: 5px;
      border-radius: var(--radius-pill);
      gap: 6px;
      margin-top: 30px;
      flex-wrap: wrap;
    }

    .cat-filter-tabs span {
      padding: 6px 18px;
      font-size: 0.88rem;
      border-radius: var(--radius-pill);
      color: rgba(255, 255, 255, 0.8);
      cursor: pointer;
      transition: var(--transition);
    }

    .cat-filter-tabs span.active,
    .cat-filter-tabs span:hover {
      background: #fff;
      color: var(--primary);
      font-weight: 600;
    }

    /* 板块 2：精华推荐大卡 */
    .featured-big-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
      transition: var(--transition);
    }

    .featured-big-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }

    .featured-img-wrap {
      position: relative;
      overflow: hidden;
      height: 100%;
      min-height: 320px;
    }

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

    .featured-big-card:hover .featured-img-wrap img {
      transform: scale(1.04);
    }

    .match-percent-badge {
      position: absolute;
      top: 20px;
      left: 20px;
      background: linear-gradient(135deg, var(--secondary), #ff7a98);
      color: #fff;
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      font-weight: 700;
      font-size: 0.88rem;
      box-shadow: 0 4px 12px rgba(255, 55, 95, 0.35);
    }

    /* 板块 3：速配矩阵网格 */
    .match-matrix-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 24px;
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .match-matrix-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(88, 86, 214, 0.3);
    }

    .matrix-card-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 18px;
    }

    .matrix-avatar {
      width: 60px;
      height: 60px;
      border-radius: 50%;
      object-fit: cover;
      border: 2px solid var(--primary);
    }

    .match-score-pill {
      margin-left: auto;
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary);
      font-weight: 700;
      font-size: 0.9rem;
      padding: 4px 10px;
      border-radius: var(--radius-pill);
    }

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

    .matrix-tags span {
      font-size: 0.78rem;
      padding: 3px 10px;
      background: var(--alt-bg);
      border-radius: var(--radius-pill);
      color: var(--body);
    }

    /* 板块 4：筛选与排行榜 */
    .ranking-box {
      background: var(--surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      padding: 30px;
    }

    .ranking-item {
      display: flex;
      align-items: center;
      padding: 14px 0;
      border-bottom: 1px solid rgba(88, 86, 214, 0.08);
      transition: var(--transition);
    }

    .ranking-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }

    .ranking-num {
      width: 32px;
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--muted);
    }

    .ranking-num.top1 { color: #FF9500; }
    .ranking-num.top2 { color: #5856D6; }
    .ranking-num.top3 { color: #FF375F; }

    .filter-panel {
      background: var(--surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 24px;
      box-shadow: var(--shadow-soft);
    }

    .filter-group-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--heading);
      margin-bottom: 12px;
    }

    /* 板块 5：交流场景与规范 */
    .rule-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 32px;
      height: 100%;
      box-shadow: var(--shadow-soft);
    }

    .rule-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 20px;
    }

    /* 板块 6：衍生专区横向卡片 */
    .topic-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 24px;
      text-align: center;
      transition: var(--transition);
      box-shadow: var(--shadow-soft);
      height: 100%;
    }

    .topic-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }

    .topic-icon {
      font-size: 2.2rem;
      color: var(--primary);
      margin-bottom: 12px;
    }

    /* 板块 7：分类底部参与 CTA */
    .cat-cta-strip {
      background: linear-gradient(135deg, var(--dark-card) 0%, #171826 100%);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: #fff;
      border: 1px solid rgba(255, 255, 255, 0.08);
      box-shadow: var(--shadow-hover);
    }

    /* 页脚标准 */
    .site-footer {
      background-color: var(--dark);
      color: #F8F9FD;
      padding: 70px 0 30px;
      border-top: 1px solid rgba(88, 86, 214, 0.2);
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 20px;
    }

    .footer-heading {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 22px;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .footer-links li {
      margin-bottom: 12px;
    }

    .footer-links li a {
      color: #8E8E93;
      font-size: 0.92rem;
      transition: var(--transition);
    }

    .footer-links li a:hover {
      color: #fff;
      padding-left: 4px;
    }

    .footer-bottom {
      margin-top: 50px;
      padding-top: 25px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.88rem;
      color: #8E8E93;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 15px;
    }

    /* 移动端响应适配 */
    @media (max-width: 991.98px) {
      .mobile-menu-btn {
        display: block;
      }

      .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: #fff;
        border-radius: var(--radius-lg);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
      }

      .nav-links.show {
        display: flex;
      }

      .cat-video-hero {
        min-height: auto;
        padding: 60px 0 70px 0;
      }

      .sec-title {
        font-size: 1.75rem;
      }
    }

/* roulang page: category4 */
:root {
      --primary: #5856D6;
      --primary-hover: #4744b8;
      --secondary: #FF375F;
      --secondary-hover: #e0284e;
      --accent: #30D158;
      --dark: #12131A;
      --dark-card: #1c1e2b;
      --heading: #1D1D1F;
      --body: #3A3A3C;
      --muted: #8E8E93;
      --light-bg: #F8F9FD;
      --alt-bg: #F2F4FC;
      --surface: #FFFFFF;
      --border-color: rgba(88, 86, 214, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 50px;
      --shadow-soft: 0 10px 30px rgba(88, 86, 214, 0.06);
      --shadow-hover: 0 20px 40px rgba(88, 86, 214, 0.14);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--body);
      background-color: var(--light-bg);
      line-height: 1.65;
      overflow-x: hidden;
      padding-top: 86px;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .capsule-nav-wrap {
      position: fixed;
      top: 14px;
      left: 0;
      right: 0;
      z-index: 1030;
      display: flex;
      justify-content: center;
      padding: 0 16px;
    }
    .capsule-nav {
      width: 100%;
      max-width: 1180px;
      background: rgba(255, 255, 255, 0.84);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1px solid rgba(255, 255, 255, 0.7);
      box-shadow: 0 8px 32px rgba(88, 86, 214, 0.1);
      border-radius: 999px;
      padding: 8px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--heading);
      letter-spacing: -0.2px;
    }
    .nav-brand .brand-badge {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: 0 4px 12px rgba(255, 55, 95, 0.3);
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 4px;
    }
    .nav-links li a {
      font-size: 0.94rem;
      font-weight: 500;
      color: var(--heading);
      padding: 7px 16px;
      border-radius: var(--radius-pill);
      transition: var(--transition);
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary);
    }
    .btn-pill-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      color: #fff !important;
      font-weight: 600;
      font-size: 0.92rem;
      padding: 8px 22px;
      border-radius: var(--radius-pill);
      border: none;
      box-shadow: 0 6px 18px rgba(88, 86, 214, 0.25);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }
    .btn-pill-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(88, 86, 214, 0.35);
      color: #fff;
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--heading);
    }

    /* 分类专属样式系统 */
    section {
      padding: 75px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--alt-bg);
    }
    .section-white {
      background-color: var(--surface);
    }
    .sec-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.84rem;
      font-weight: 600;
      color: var(--primary);
      background: rgba(88, 86, 214, 0.08);
      padding: 5px 14px;
      border-radius: var(--radius-pill);
      margin-bottom: 12px;
    }
    .sec-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--heading);
      margin-bottom: 12px;
      letter-spacing: -0.4px;
    }

    /* 板块 1: 分类沉浸式 Head Banner */
    .cat-head-banner {
      padding: 40px 0 35px 0;
      background: linear-gradient(180deg, rgba(88, 86, 214, 0.06) 0%, rgba(248, 249, 253, 0) 100%);
      border-bottom: 1px solid var(--border-color);
    }
    .breadcrumb-custom {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      color: var(--muted);
      margin-bottom: 15px;
    }
    .breadcrumb-custom a:hover {
      color: var(--primary);
    }
    .cat-h1 {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--heading);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .cat-h1 span {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .cat-banner-desc {
      font-size: 1.05rem;
      color: var(--body);
      max-width: 820px;
      margin-bottom: 22px;
      line-height: 1.75;
    }
    .cat-filter-tabs {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .filter-tab-pill {
      font-size: 0.88rem;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      background: var(--surface);
      border: 1px solid var(--border-color);
      color: var(--body);
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }
    .filter-tab-pill.active,
    .filter-tab-pill:hover {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }

    /* 板块 2: 精华大卡 */
    .spotlight-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
      transition: var(--transition);
    }
    .spotlight-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .spotlight-img-wrap {
      position: relative;
      height: 100%;
      min-height: 320px;
      overflow: hidden;
    }
    .spotlight-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .spotlight-card:hover .spotlight-img-wrap img {
      transform: scale(1.04);
    }
    .spotlight-status {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(18, 19, 26, 0.8);
      backdrop-filter: blur(8px);
      color: #fff;
      padding: 5px 12px;
      border-radius: var(--radius-pill);
      font-size: 0.8rem;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .spotlight-content {
      padding: 36px 32px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    /* 板块 3: 内容与资源网格 */
    .party-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: var(--transition);
    }
    .party-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(88, 86, 214, 0.3);
    }
    .party-card-thumb {
      height: 190px;
      position: relative;
      overflow: hidden;
    }
    .party-card-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .party-card:hover .party-card-thumb img {
      transform: scale(1.06);
    }
    .party-type-tag {
      position: absolute;
      bottom: 12px;
      left: 12px;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(6px);
      color: var(--primary);
      padding: 4px 10px;
      border-radius: var(--radius-pill);
      font-size: 0.78rem;
      font-weight: 700;
    }
    .party-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .party-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--heading);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .party-desc {
      font-size: 0.88rem;
      color: var(--body);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .party-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-top: 14px;
      border-top: 1px solid rgba(88, 86, 214, 0.08);
      font-size: 0.82rem;
      color: var(--muted);
    }

    /* 板块 4: 筛选与热榜 */
    .filter-box {
      background: var(--surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 24px;
      box-shadow: var(--shadow-soft);
    }
    .rank-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .rank-item {
      background: var(--surface);
      border-radius: var(--radius-md);
      padding: 14px 18px;
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      gap: 16px;
      transition: var(--transition);
    }
    .rank-item:hover {
      background: #fafbff;
      transform: translateX(4px);
    }
    .rank-num {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: rgba(88, 86, 214, 0.1);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.95rem;
      flex-shrink: 0;
    }
    .rank-num.top {
      background: linear-gradient(135deg, var(--secondary), #ff88a5);
      color: #fff;
    }

    /* 板块 5: 规范与场景 */
    .rule-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 30px;
      border: 1px solid var(--border-color);
      height: 100%;
      box-shadow: var(--shadow-soft);
    }

    /* 板块 6: 衍生推荐 */
    .derived-card {
      background: var(--surface);
      border-radius: var(--radius-md);
      padding: 20px;
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      gap: 14px;
      transition: var(--transition);
    }
    .derived-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-soft);
      transform: translateY(-3px);
    }
    .derived-icon {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-md);
      background: rgba(88, 86, 214, 0.1);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      flex-shrink: 0;
    }

    /* 板块 7: 底部行动 */
    .bottom-cta-banner {
      background: linear-gradient(135deg, #181926 0%, #2b2854 100%);
      border-radius: var(--radius-lg);
      padding: 45px 40px;
      color: #fff;
      position: relative;
      overflow: hidden;
      box-shadow: 0 16px 40px rgba(18, 19, 26, 0.18);
    }

    /* 页脚 */
    .site-footer {
      background-color: var(--dark);
      color: #A0A1AC;
      padding: 75px 0 25px 0;
      font-size: 0.92rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 16px;
    }
    .footer-brand .brand-badge {
      width: 34px;
      height: 34px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
    }
    .footer-heading {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #8E8E98;
    }
    .footer-links a:hover {
      color: #FFFFFF;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 25px;
      margin-top: 45px;
      font-size: 0.84rem;
      color: #6C6D76;
    }

    @media (max-width: 991.98px) {
      .nav-links {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links.show-mobile {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: #fff;
        padding: 16px;
        border-radius: 20px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.15);
      }
    }

/* roulang page: category5 */
:root {
      --primary: #5856D6;
      --primary-hover: #4744b8;
      --secondary: #FF375F;
      --secondary-hover: #e0284e;
      --accent: #30D158;
      --dark: #12131A;
      --dark-card: #1c1e2b;
      --heading: #1D1D1F;
      --body: #3A3A3C;
      --muted: #8E8E93;
      --light-bg: #F8F9FD;
      --alt-bg: #F2F4FC;
      --surface: #FFFFFF;
      --border-color: rgba(88, 86, 214, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 50px;
      --shadow-soft: 0 10px 30px rgba(88, 86, 214, 0.06);
      --shadow-hover: 0 20px 40px rgba(88, 86, 214, 0.14);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--body);
      background-color: var(--light-bg);
      line-height: 1.65;
      overflow-x: hidden;
      padding-top: 86px;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* 悬浮胶囊导航 */
    .capsule-nav-wrap {
      position: fixed;
      top: 14px;
      left: 0;
      right: 0;
      z-index: 1030;
      display: flex;
      justify-content: center;
      padding: 0 16px;
    }
    .capsule-nav {
      width: 100%;
      max-width: 1180px;
      background: rgba(255, 255, 255, 0.84);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1px solid rgba(255, 255, 255, 0.7);
      box-shadow: 0 8px 32px rgba(88, 86, 214, 0.1);
      border-radius: 999px;
      padding: 8px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--heading);
      letter-spacing: -0.2px;
    }
    .nav-brand .brand-badge {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: 0 4px 12px rgba(255, 55, 95, 0.3);
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 4px;
    }
    .nav-links li a {
      font-size: 0.94rem;
      font-weight: 500;
      color: var(--heading);
      padding: 7px 16px;
      border-radius: var(--radius-pill);
      transition: var(--transition);
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary);
    }
    .btn-pill-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      color: #fff !important;
      font-weight: 600;
      font-size: 0.92rem;
      padding: 8px 22px;
      border-radius: var(--radius-pill);
      border: none;
      box-shadow: 0 6px 18px rgba(88, 86, 214, 0.25);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }
    .btn-pill-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(88, 86, 214, 0.35);
      color: #fff;
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.4rem;
      color: var(--heading);
      padding: 4px;
    }

    /* 板块通用 */
    section {
      padding: 75px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--alt-bg);
    }
    .section-white {
      background-color: var(--surface);
    }
    .section-dark {
      background-color: var(--dark);
      color: #F8F9FD;
    }
    .sec-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.84rem;
      font-weight: 600;
      color: var(--primary);
      background: rgba(88, 86, 214, 0.08);
      padding: 5px 14px;
      border-radius: var(--radius-pill);
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .sec-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--heading);
      letter-spacing: -0.5px;
      margin-bottom: 12px;
      line-height: 1.3;
    }
    .sec-subtitle {
      font-size: 1.02rem;
      color: var(--muted);
      margin-bottom: 35px;
      max-width: 680px;
    }

    /* 蓝图要求：Hero 斜切色块首屏，大标题压在色块上 + 单 CTA */
    .slant-hero-section {
      position: relative;
      padding: 60px 0 100px 0;
      background: #ffffff;
      overflow: hidden;
    }
    .slant-bg-layer {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 90%;
      background: linear-gradient(135deg, #161726 0%, #282747 50%, #403e7c 100%);
      clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
      z-index: 1;
    }
    .slant-bg-layer::after {
      content: "";
      position: absolute;
      inset: 0;
      background: url('/assets/images/6c8932021c5afc27.webp') center/cover no-repeat;
      opacity: 0.15;
      mix-blend-mode: overlay;
    }
    .slant-hero-content {
      position: relative;
      z-index: 2;
      color: #fff;
    }
    .slant-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(48, 209, 88, 0.15);
      border: 1px solid rgba(48, 209, 88, 0.35);
      color: var(--accent);
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      font-size: 0.88rem;
      font-weight: 600;
      margin-bottom: 20px;
    }
    .slant-h1 {
      font-size: 2.85rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.6px;
    }
    .slant-h1 span {
      background: linear-gradient(135deg, #30D158 0%, #a5a4ff 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .slant-summary {
      font-size: 1.1rem;
      color: rgba(255, 255, 255, 0.85);
      max-width: 680px;
      margin-bottom: 30px;
      line-height: 1.8;
    }
    .hero-single-cta {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: linear-gradient(135deg, var(--accent) 0%, #20b045 100%);
      color: #12131A !important;
      font-weight: 700;
      font-size: 1.05rem;
      padding: 13px 36px;
      border-radius: var(--radius-pill);
      box-shadow: 0 10px 25px rgba(48, 209, 88, 0.3);
      transition: var(--transition);
    }
    .hero-single-cta:hover {
      transform: translateY(-3px);
      box-shadow: 0 14px 32px rgba(48, 209, 88, 0.45);
      color: #000;
    }

    /* 板块2：特色推荐大卡 */
    .spotlight-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      overflow: hidden;
      transition: var(--transition);
    }
    .spotlight-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .spotlight-img-wrap {
      height: 100%;
      min-height: 320px;
      position: relative;
      overflow: hidden;
    }
    .spotlight-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }
    .spotlight-card:hover .spotlight-img-wrap img {
      transform: scale(1.05);
    }

    /* 板块3：卡片矩阵 */
    .safety-grid-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 30px 26px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      height: 100%;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
      position: relative;
    }
    .safety-grid-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(88, 86, 214, 0.3);
    }
    .sgc-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 20px;
    }
    .sgc-icon.blue { background: rgba(88, 86, 214, 0.1); color: var(--primary); }
    .sgc-icon.green { background: rgba(48, 209, 88, 0.12); color: var(--accent); }
    .sgc-icon.red { background: rgba(255, 55, 95, 0.1); color: var(--secondary); }
    .sgc-icon.purple { background: rgba(142, 68, 173, 0.1); color: #8e44ad; }

    /* 板块4：筛选与排行榜 */
    .rank-list-item {
      background: var(--surface);
      border-radius: var(--radius-md);
      padding: 16px 20px;
      margin-bottom: 12px;
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: var(--transition);
    }
    .rank-list-item:hover {
      border-color: var(--primary);
      transform: translateX(6px);
      box-shadow: 0 4px 15px rgba(88, 86, 214, 0.08);
    }
    .rank-num {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--alt-bg);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--heading);
      font-size: 0.95rem;
    }
    .rank-num.top1 { background: #FFD700; color: #724b00; }
    .rank-num.top2 { background: #C0C0C0; color: #444; }
    .rank-num.top3 { background: #CD7F32; color: #fff; }

    /* 板块5：规范与场景卡 */
    .rule-box {
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 32px;
      border-left: 4px solid var(--primary);
      box-shadow: var(--shadow-soft);
      height: 100%;
    }

    /* 板块6：资讯列表 */
    .cms-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      height: 100%;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
    }
    .cms-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }
    .cms-card-img {
      height: 190px;
      width: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .cms-card:hover .cms-card-img {
      transform: scale(1.04);
    }

    /* 板块7：CTA 横幅 */
    .footer-cta-banner {
      background: linear-gradient(135deg, #181a29 0%, #2a2850 100%);
      border-radius: 24px;
      padding: 48px 40px;
      color: #fff;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.08);
      box-shadow: 0 20px 50px rgba(18, 19, 26, 0.15);
    }
    .footer-cta-banner::before {
      content: "";
      position: absolute;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(48, 209, 88, 0.25) 0%, transparent 70%);
      top: -100px;
      right: -80px;
      pointer-events: none;
    }

    /* 页脚 */
    .site-footer {
      background-color: var(--dark);
      color: #c5c6cf;
      padding: 70px 0 24px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
    }
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-brand .brand-badge {
      width: 34px;
      height: 34px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
    }
    .footer-heading {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: rgba(255, 255, 255, 0.65);
      font-size: 0.92rem;
    }
    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 50px;
      padding-top: 24px;
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.45);
    }

    /* 移动端处理 */
    @media (max-width: 991px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 65px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-radius: var(--radius-lg);
        padding: 20px;
        flex-direction: column;
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        border: 1px solid var(--border-color);
      }
      .nav-links.active {
        display: flex;
      }
      .mobile-menu-btn {
        display: block;
      }
      .slant-h1 {
        font-size: 2.1rem;
      }
      .slant-hero-section {
        padding: 40px 0 80px 0;
      }
    }

/* roulang page: category2 */
:root {
      --primary: #5856D6;
      --primary-hover: #4744b8;
      --secondary: #FF375F;
      --secondary-hover: #e0284e;
      --accent: #30D158;
      --dark: #12131A;
      --dark-card: #1c1e2b;
      --heading: #1D1D1F;
      --body: #3A3A3C;
      --muted: #8E8E93;
      --light-bg: #F8F9FD;
      --alt-bg: #F2F4FC;
      --surface: #FFFFFF;
      --border-color: rgba(88, 86, 214, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 50px;
      --shadow-soft: 0 10px 30px rgba(88, 86, 214, 0.06);
      --shadow-hover: 0 20px 40px rgba(88, 86, 214, 0.14);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--body);
      background-color: var(--light-bg);
      line-height: 1.65;
      overflow-x: hidden;
      padding-top: 86px;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* 悬浮胶囊导航 */
    .capsule-nav-wrap {
      position: fixed;
      top: 14px;
      left: 0;
      right: 0;
      z-index: 1030;
      display: flex;
      justify-content: center;
      padding: 0 16px;
    }
    .capsule-nav {
      width: 100%;
      max-width: 1180px;
      background: rgba(255, 255, 255, 0.84);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border: 1px solid rgba(255, 255, 255, 0.7);
      box-shadow: 0 8px 32px rgba(88, 86, 214, 0.1);
      border-radius: 999px;
      padding: 8px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .nav-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--heading);
      letter-spacing: -0.2px;
    }
    .nav-brand .brand-badge {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: 0 4px 12px rgba(255, 55, 95, 0.3);
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 4px;
    }
    .nav-links li a {
      font-size: 0.94rem;
      font-weight: 500;
      color: var(--heading);
      padding: 7px 16px;
      border-radius: var(--radius-pill);
      transition: var(--transition);
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary);
    }
    .btn-pill-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      color: #fff !important;
      font-weight: 600;
      font-size: 0.92rem;
      padding: 8px 22px;
      border-radius: var(--radius-pill);
      border: none;
      box-shadow: 0 6px 18px rgba(88, 86, 214, 0.25);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }
    .btn-pill-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(88, 86, 214, 0.35);
      color: #fff;
    }
    .btn-pill-outline {
      background: transparent;
      color: var(--primary) !important;
      border: 1.5px solid var(--primary);
      font-weight: 600;
      font-size: 0.92rem;
      padding: 7px 20px;
      border-radius: var(--radius-pill);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-pill-outline:hover {
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary-hover);
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--heading);
      cursor: pointer;
    }

    /* 板块通用 */
    section {
      padding: 75px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--alt-bg);
    }
    .section-white {
      background-color: var(--surface);
    }
    .section-dark {
      background-color: var(--dark);
      color: #F8F9FD;
    }
    .sec-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.84rem;
      font-weight: 600;
      color: var(--primary);
      background: rgba(88, 86, 214, 0.08);
      padding: 5px 14px;
      border-radius: var(--radius-pill);
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .sec-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--heading);
      letter-spacing: -0.5px;
      margin-bottom: 12px;
      line-height: 1.3;
    }
    .sec-desc {
      font-size: 1.02rem;
      color: var(--muted);
      max-width: 640px;
      margin-bottom: 36px;
    }

    /* 分类首屏：杂志分栏风格 Banner */
    .cat-hero-wrap {
      padding: 30px 0 60px 0;
      background: radial-gradient(circle at 10% 20%, rgba(88, 86, 214, 0.07) 0%, rgba(248, 249, 253, 0) 50%);
    }
    .cat-breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.88rem;
      color: var(--muted);
      margin-bottom: 16px;
    }
    .cat-breadcrumb a:hover {
      color: var(--primary);
    }
    .cat-main-title {
      font-size: 2.6rem;
      font-weight: 800;
      color: var(--heading);
      line-height: 1.25;
      margin-bottom: 18px;
      letter-spacing: -0.6px;
    }
    .cat-main-title span {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .cat-lead-text {
      font-size: 1.05rem;
      color: var(--body);
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .tag-filter-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }
    .tag-filter-item {
      font-size: 0.88rem;
      padding: 6px 16px;
      background: var(--surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-pill);
      color: var(--body);
      font-weight: 500;
      transition: var(--transition);
      cursor: pointer;
    }
    .tag-filter-item:hover,
    .tag-filter-item.active {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
      box-shadow: 0 4px 12px rgba(88, 86, 214, 0.25);
    }

    /* 推荐大画幅卡片 */
    .feature-mag-box {
      background: var(--surface);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .feature-mag-box:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .feature-mag-img {
      height: 100%;
      min-height: 320px;
      object-fit: cover;
    }

    /* 圈子矩阵卡片 */
    .circle-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
      position: relative;
    }
    .circle-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(88, 86, 214, 0.3);
    }
    .circle-card-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: rgba(88, 86, 214, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.45rem;
      margin-bottom: 18px;
      transition: var(--transition);
    }
    .circle-card:hover .circle-card-icon {
      background: var(--primary);
      color: #fff;
      transform: rotate(6deg) scale(1.05);
    }
    .circle-card-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--heading);
      margin-bottom: 10px;
    }
    .circle-meta-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 14px;
      margin-top: 14px;
      border-top: 1px dashed rgba(88, 86, 214, 0.15);
      font-size: 0.85rem;
      color: var(--muted);
    }

    /* 排行榜与榜单卡片 */
    .rank-list-item {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 16px 20px;
      background: var(--surface);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      border: 1px solid rgba(88, 86, 214, 0.08);
      transition: var(--transition);
    }
    .rank-list-item:hover {
      transform: translateX(4px);
      border-color: var(--primary);
      box-shadow: 0 6px 18px rgba(88, 86, 214, 0.08);
    }
    .rank-badge {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      font-weight: 800;
      font-size: 0.95rem;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .rank-1 { background: #FFD700; color: #7B5B00; }
    .rank-2 { background: #E0E0E0; color: #555555; }
    .rank-3 { background: #E6A265; color: #613600; }
    .rank-other { background: rgba(88, 86, 214, 0.1); color: var(--primary); }

    /* 规则图文卡 */
    .rule-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      padding: 30px;
      border: 1px solid var(--border-color);
      height: 100%;
    }

    /* 资讯列表网格 */
    .news-card {
      background: var(--surface);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      height: 100%;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .news-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }
    .news-card-img-wrap {
      height: 180px;
      overflow: hidden;
      position: relative;
    }
    .news-card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .news-card:hover .news-card-img-wrap img {
      transform: scale(1.06);
    }
    .news-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--heading);
      margin-bottom: 10px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      line-height: 1.45;
    }
    .news-desc {
      font-size: 0.88rem;
      color: var(--muted);
      line-height: 1.6;
      margin-bottom: 16px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    /* 页脚 */
    .site-footer {
      background-color: var(--dark);
      color: #c4c7d4;
      padding: 70px 0 30px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.22rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
    }
    .footer-brand .brand-badge {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
    }
    .footer-heading {
      color: #fff;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 18px;
      letter-spacing: -0.2px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links li a {
      color: #8E8E93;
      font-size: 0.9rem;
    }
    .footer-links li a:hover {
      color: #fff;
      padding-left: 4px;
    }
    .footer-bottom {
      margin-top: 50px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 0.84rem;
      color: #636366;
    }

    @media (max-width: 991px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 16px 32px rgba(0,0,0,0.12);
        border-radius: 20px;
        padding: 16px;
        flex-direction: column;
        align-items: stretch;
      }
      .nav-links.show {
        display: flex;
      }
      .mobile-menu-btn {
        display: block;
      }
      .cat-hero-wrap {
        padding-top: 15px;
      }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}