/* roulang page: index */
:root {
      --rf-bg-main: #0b0c10;
      --rf-bg-sub: #13151c;
      --rf-bg-card: #1b1e28;
      --rf-primary: #ff2a5f;
      --rf-secondary: #8b5cf6;
      --rf-accent: #00f0ff;
      --rf-text-white: #ffffff;
      --rf-text-muted: #9ca3af;
      --rf-text-dim: #64748b;
      --rf-border: rgba(255, 255, 255, 0.08);
      --rf-border-hover: rgba(255, 42, 95, 0.4);
      --rf-grad-btn: linear-gradient(135deg, #ff2a5f 0%, #8b5cf6 100%);
      --rf-shadow-btn: 0 8px 24px rgba(255, 42, 95, 0.35);
      --rf-card-radius: 14px;
    }
    *, *::before, *::after {
      box-sizing: border-box;
    }
    body {
      background-color: var(--rf-bg-main);
      color: var(--rf-text-white);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      font-size: 15px;
      line-height: 1.75;
      overflow-x: hidden;
      margin: 0;
      padding: 0;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover {
      color: var(--rf-primary);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* 顶部导航条 */
    .rf-navbar {
      position: sticky;
      top: 0;
      z-index: 1050;
      background: rgba(11, 12, 16, 0.88);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--rf-border);
      padding: 0.85rem 0;
    }
    .rf-logo-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--rf-text-white);
    }
    .rf-logo-brand:hover {
      color: var(--rf-text-white);
    }
    .rf-logo-icon {
      width: 36px;
      height: 36px;
      background: var(--rf-grad-btn);
      border-radius: 9px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1rem;
      box-shadow: 0 4px 15px rgba(255, 42, 95, 0.4);
    }
    .rf-nav-link {
      color: #d1d5db;
      font-weight: 500;
      padding: 0.5rem 0.9rem;
      border-radius: 8px;
      font-size: 0.96rem;
      transition: all 0.2s ease;
    }
    .rf-nav-link:hover, .rf-nav-link.active {
      color: var(--rf-text-white);
      background: rgba(255, 255, 255, 0.06);
    }
    .rf-btn-capsule {
      background: var(--rf-grad-btn);
      color: #fff;
      font-weight: 600;
      border-radius: 50px;
      padding: 0.55rem 1.4rem;
      font-size: 0.92rem;
      border: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: var(--rf-shadow-btn);
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .rf-btn-capsule:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(255, 42, 95, 0.5);
    }
    .rf-btn-outline {
      background: transparent;
      color: var(--rf-text-white);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 50px;
      padding: 0.55rem 1.4rem;
      font-size: 0.92rem;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.2s ease;
    }
    .rf-btn-outline:hover {
      border-color: var(--rf-accent);
      color: var(--rf-accent);
      background: rgba(0, 240, 255, 0.05);
    }

    /* 板块通用 */
    .rf-section {
      padding: 4.8rem 0;
      position: relative;
    }
    .rf-section-sub {
      background-color: var(--rf-bg-sub);
    }
    .rf-section-head {
      margin-bottom: 2.8rem;
    }
    .rf-section-title {
      font-size: 2rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 0.85rem;
    }
    .rf-section-title::before {
      content: "";
      display: inline-block;
      width: 4px;
      height: 1.5rem;
      background: var(--rf-grad-btn);
      border-radius: 2px;
    }
    .rf-section-desc {
      color: var(--rf-text-muted);
      font-size: 1.02rem;
      max-width: 820px;
      margin: 0;
      line-height: 1.8;
    }

    /* 卡片体系 */
    .rf-card {
      background-color: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: var(--rf-card-radius);
      padding: 1.8rem;
      height: 100%;
      transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
    }
    .rf-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
      border-color: var(--rf-border-hover);
    }
    .rf-badge-cyan {
      background: rgba(0, 240, 255, 0.12);
      color: var(--rf-accent);
      border: 1px solid rgba(0, 240, 255, 0.25);
      border-radius: 30px;
      padding: 0.22rem 0.65rem;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      display: inline-block;
    }
    .rf-badge-pink {
      background: rgba(255, 42, 95, 0.15);
      color: var(--rf-primary);
      border: 1px solid rgba(255, 42, 95, 0.3);
      border-radius: 30px;
      padding: 0.22rem 0.65rem;
      font-size: 0.75rem;
      font-weight: 600;
      display: inline-block;
    }

    /* Hero Bento 样式 */
    .rf-hero-bento {
      position: relative;
      padding: 3.5rem 0 4.5rem;
      background: radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.15) 0%, rgba(11, 12, 16, 0) 60%),
                  radial-gradient(circle at 10% 80%, rgba(255, 42, 95, 0.12) 0%, rgba(11, 12, 16, 0) 50%);
    }
    .bento-box {
      background: rgba(27, 30, 40, 0.7);
      backdrop-filter: blur(12px);
      border: 1px solid var(--rf-border);
      border-radius: 18px;
      overflow: hidden;
      height: 100%;
      position: relative;
    }
    .bento-main {
      padding: 3.2rem;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      background: linear-gradient(180deg, rgba(27, 30, 40, 0.4) 0%, rgba(19, 21, 28, 0.95) 100%),
                  url('/assets/images/aa7b23c52be64897.jpg') center/cover no-repeat;
    }
    .bento-sub {
      padding: 2.2rem;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .bento-cta-bar {
      background: linear-gradient(90deg, rgba(255, 42, 95, 0.12) 0%, rgba(139, 92, 246, 0.12) 100%);
      border: 1px solid rgba(255, 42, 95, 0.3);
      border-radius: 16px;
      padding: 1.5rem 2.5rem;
      margin-top: 1.5rem;
    }

    /* 海报流与网格 */
    .rf-poster-card {
      background: var(--rf-bg-card);
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--rf-border);
      transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .rf-poster-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 14px 35px rgba(255, 42, 95, 0.25);
      border-color: rgba(255, 42, 95, 0.5);
    }
    .rf-poster-thumb {
      position: relative;
      width: 100%;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background-color: #111;
    }
    .rf-poster-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .rf-poster-card:hover .rf-poster-thumb img {
      transform: scale(1.05);
    }
    .rf-poster-tag {
      position: absolute;
      top: 10px;
      right: 10px;
      z-index: 2;
    }
    .rf-poster-score {
      position: absolute;
      bottom: 10px;
      left: 10px;
      background: rgba(0, 0, 0, 0.75);
      backdrop-filter: blur(4px);
      color: #ffb703;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 0.8rem;
      font-weight: 700;
    }
    .rf-poster-info {
      padding: 1.25rem;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    /* 指标统计 */
    .metric-value {
      font-size: 2.8rem;
      font-weight: 800;
      line-height: 1.1;
      color: #fff;
      background: linear-gradient(135deg, #ffffff 40%, var(--rf-accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 0.4rem;
    }

    /* 追番排期表 */
    .schedule-tab-nav {
      display: flex;
      gap: 10px;
      border-bottom: 1px solid var(--rf-border);
      padding-bottom: 12px;
      margin-bottom: 24px;
      overflow-x: auto;
    }
    .schedule-day-pill {
      background: transparent;
      border: 1px solid var(--rf-border);
      color: var(--rf-text-muted);
      border-radius: 8px;
      padding: 8px 18px;
      font-size: 0.95rem;
      font-weight: 600;
      white-space: nowrap;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .schedule-day-pill.active, .schedule-day-pill:hover {
      background: var(--rf-grad-btn);
      color: #fff;
      border-color: transparent;
    }

    /* 价格阶梯 */
    .rf-price-card {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: 16px;
      padding: 2.5rem 2rem;
      position: relative;
      transition: all 0.3s;
    }
    .rf-price-card.featured {
      border-color: var(--rf-primary);
      box-shadow: 0 10px 36px rgba(255, 42, 95, 0.25);
      background: linear-gradient(180deg, rgba(255, 42, 95, 0.06) 0%, rgba(27, 30, 40, 1) 100%);
    }

    /* 页脚 */
    .rf-footer {
      background-color: #07080a;
      border-top: 1px solid var(--rf-border);
      padding: 4.5rem 0 2rem;
      color: var(--rf-text-muted);
    }
    .rf-footer-title {
      color: #fff;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 1.4rem;
      position: relative;
    }
    .rf-footer-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .rf-footer-list li {
      margin-bottom: 0.75rem;
    }
    .rf-footer-list a {
      color: #94a3b8;
      font-size: 0.92rem;
    }
    .rf-footer-list a:hover {
      color: var(--rf-text-white);
      padding-left: 4px;
    }
    .rf-footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      margin-top: 3.5rem;
      padding-top: 1.8rem;
      font-size: 0.85rem;
      color: var(--rf-text-dim);
    }

    @media (max-width: 991px) {
      .bento-main {
        padding: 2rem 1.5rem;
      }
      .rf-section-title {
        font-size: 1.7rem;
      }
      .bento-cta-bar {
        padding: 1.5rem;
      }
    }
    @media (max-width: 575px) {
      .rf-section {
        padding: 3.5rem 0;
      }
      .metric-value {
        font-size: 2.2rem;
      }
      .rf-logo-brand {
        font-size: 1.25rem;
      }
    }

/* roulang page: category1 */
:root {
      --rf-bg-main: #0b0c10;
      --rf-bg-sub: #13151c;
      --rf-bg-card: #1b1e28;
      --rf-primary: #ff2a5f;
      --rf-secondary: #8b5cf6;
      --rf-accent: #00f0ff;
      --rf-text-white: #ffffff;
      --rf-text-muted: #9ca3af;
      --rf-text-dim: #64748b;
      --rf-border: rgba(255, 255, 255, 0.08);
      --rf-border-hover: rgba(255, 42, 95, 0.4);
      --rf-grad-btn: linear-gradient(135deg, #ff2a5f 0%, #8b5cf6 100%);
      --rf-shadow-btn: 0 8px 24px rgba(255, 42, 95, 0.35);
      --rf-card-radius: 14px;
    }
    body {
      background-color: var(--rf-bg-main);
      color: var(--rf-text-white);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      font-size: 15px;
      line-height: 1.75;
      overflow-x: hidden;
      margin: 0;
      padding: 0;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover {
      color: var(--rf-primary);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .rf-navbar {
      position: sticky;
      top: 0;
      z-index: 1050;
      background: rgba(11, 12, 16, 0.92);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--rf-border);
      padding: 0.85rem 0;
    }
    .rf-logo-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--rf-text-white);
    }
    .rf-logo-brand:hover {
      color: var(--rf-text-white);
    }
    .rf-logo-icon {
      width: 36px;
      height: 36px;
      background: var(--rf-grad-btn);
      border-radius: 9px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1rem;
      box-shadow: 0 4px 15px rgba(255, 42, 95, 0.4);
    }
    .rf-nav-link {
      color: #d1d5db;
      font-weight: 500;
      padding: 0.5rem 0.9rem;
      border-radius: 8px;
      font-size: 0.96rem;
      transition: all 0.2s ease;
    }
    .rf-nav-link:hover, .rf-nav-link.active {
      color: var(--rf-text-white);
      background: rgba(255, 255, 255, 0.06);
    }
    .rf-btn-capsule {
      background: var(--rf-grad-btn);
      color: #fff;
      font-weight: 600;
      border-radius: 50px;
      padding: 0.55rem 1.4rem;
      font-size: 0.92rem;
      border: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: var(--rf-shadow-btn);
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .rf-btn-capsule:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(255, 42, 95, 0.5);
    }
    .rf-btn-outline {
      background: transparent;
      color: var(--rf-text-white);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 50px;
      padding: 0.55rem 1.4rem;
      font-size: 0.92rem;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.2s ease;
    }
    .rf-btn-outline:hover {
      border-color: var(--rf-accent);
      color: var(--rf-accent);
      background: rgba(0, 240, 255, 0.05);
    }
    .rf-section {
      padding: 4.5rem 0;
      position: relative;
    }
    .rf-section-sub {
      background-color: var(--rf-bg-sub);
    }
    .rf-section-head {
      margin-bottom: 2.5rem;
    }
    .rf-section-title {
      font-size: 1.85rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 0.6rem;
    }
    .rf-section-title::before {
      content: "";
      display: inline-block;
      width: 4px;
      height: 1.4rem;
      background: var(--rf-grad-btn);
      border-radius: 2px;
    }
    .rf-section-desc {
      color: var(--rf-text-muted);
      font-size: 0.98rem;
      max-width: 820px;
      margin: 0;
      line-height: 1.7;
    }
    .rf-card {
      background-color: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: var(--rf-card-radius);
      padding: 1.8rem;
      height: 100%;
      transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
    }
    .rf-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
      border-color: var(--rf-border-hover);
    }
    .rf-badge-cyan {
      background: rgba(0, 240, 255, 0.12);
      color: var(--rf-accent);
      border: 1px solid rgba(0, 240, 255, 0.25);
      border-radius: 30px;
      padding: 0.22rem 0.65rem;
      font-size: 0.75rem;
      font-weight: 600;
      display: inline-block;
    }
    .rf-badge-pink {
      background: rgba(255, 42, 95, 0.15);
      color: var(--rf-primary);
      border: 1px solid rgba(255, 42, 95, 0.3);
      border-radius: 30px;
      padding: 0.22rem 0.65rem;
      font-size: 0.75rem;
      font-weight: 600;
      display: inline-block;
    }
    .rf-badge-purple {
      background: rgba(139, 92, 246, 0.15);
      color: var(--rf-secondary);
      border: 1px solid rgba(139, 92, 246, 0.3);
      border-radius: 30px;
      padding: 0.22rem 0.65rem;
      font-size: 0.75rem;
      font-weight: 600;
      display: inline-block;
    }

    /* 分类专属 Header 样式 */
    .rf-cat-header {
      padding: 2.8rem 0 2.2rem;
      background: linear-gradient(180deg, #13151c 0%, #0b0c10 100%);
      border-bottom: 1px solid var(--rf-border);
    }
    .rf-filter-panel {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: 12px;
      padding: 1.5rem;
      margin-top: 1.8rem;
    }
    .rf-filter-row {
      display: flex;
      align-items: flex-start;
      gap: 1rem;
      padding: 0.5rem 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
    }
    .rf-filter-row:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .rf-filter-label {
      min-width: 72px;
      color: var(--rf-text-dim);
      font-size: 0.88rem;
      font-weight: 600;
      padding-top: 0.25rem;
    }
    .rf-filter-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
    }
    .rf-filter-item {
      padding: 0.25rem 0.8rem;
      border-radius: 6px;
      font-size: 0.85rem;
      color: #cbd5e1;
      background: rgba(255, 255, 255, 0.04);
      cursor: pointer;
      transition: all 0.2s;
    }
    .rf-filter-item:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.1);
    }
    .rf-filter-item.active {
      background: var(--rf-primary);
      color: #fff;
      font-weight: 600;
      box-shadow: 0 2px 10px rgba(255, 42, 95, 0.3);
    }

    /* 焦点大卡横幅 */
    .rf-focus-banner {
      background: linear-gradient(90deg, #181b24 0%, #13151c 100%);
      border: 1px solid var(--rf-border);
      border-radius: var(--rf-card-radius);
      overflow: hidden;
      position: relative;
    }
    .rf-focus-img {
      height: 100%;
      min-height: 380px;
      object-fit: cover;
      width: 100%;
    }

    /* 作品网格卡片 */
    .rf-grid-card {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: 12px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    }
    .rf-grid-card:hover {
      transform: translateY(-5px);
      border-color: var(--rf-border-hover);
      box-shadow: 0 12px 28px rgba(255, 42, 95, 0.2);
    }
    .rf-grid-thumb {
      position: relative;
      aspect-ratio: 16/10;
      overflow: hidden;
      background: #0f1117;
    }
    .rf-grid-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .rf-grid-card:hover .rf-grid-thumb img {
      transform: scale(1.05);
    }
    .rf-grid-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(0deg, rgba(11, 12, 16, 0.85) 0%, transparent 50%);
      display: flex;
      align-items: flex-end;
      padding: 0.75rem;
      justify-content: space-between;
    }
    .rf-grid-body {
      padding: 1.2rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    /* 排行榜样式 */
    .rf-rank-card {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: 10px;
      padding: 0.9rem 1.2rem;
      display: flex;
      align-items: center;
      gap: 1rem;
      transition: background 0.2s;
    }
    .rf-rank-card:hover {
      background: rgba(255, 255, 255, 0.04);
      border-color: rgba(255, 255, 255, 0.15);
    }
    .rf-rank-num {
      font-size: 1.4rem;
      font-weight: 900;
      font-style: italic;
      color: var(--rf-text-dim);
      min-width: 32px;
      text-align: center;
    }
    .rf-rank-num.top-1 { color: var(--rf-primary); }
    .rf-rank-num.top-2 { color: var(--rf-accent); }
    .rf-rank-num.top-3 { color: var(--rf-secondary); }

    /* 时间轴日志 */
    .rf-timeline {
      position: relative;
      padding-left: 2rem;
    }
    .rf-timeline::before {
      content: "";
      position: absolute;
      left: 7px;
      top: 10px;
      bottom: 10px;
      width: 2px;
      background: rgba(255, 255, 255, 0.1);
    }
    .rf-timeline-item {
      position: relative;
      margin-bottom: 1.8rem;
    }
    .rf-timeline-item:last-child {
      margin-bottom: 0;
    }
    .rf-timeline-dot {
      position: absolute;
      left: -2rem;
      top: 6px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: var(--rf-bg-main);
      border: 3px solid var(--rf-accent);
    }

    /* 底部专属 CTA */
    .rf-cat-cta {
      background: radial-gradient(circle at 50% 50%, rgba(255, 42, 95, 0.15) 0%, rgba(19, 21, 28, 0.95) 75%);
      border: 1px solid rgba(255, 42, 95, 0.3);
      border-radius: 18px;
      padding: 3rem 2rem;
      text-align: center;
    }

    /* Footer 样式 */
    .rf-footer {
      background-color: #07080b;
      border-top: 1px solid var(--rf-border);
      padding: 4.5rem 0 2rem;
    }
    .rf-footer-title {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 1.2rem;
    }
    .rf-footer-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .rf-footer-list li {
      margin-bottom: 0.6rem;
    }
    .rf-footer-link {
      color: var(--rf-text-muted);
      font-size: 0.88rem;
      transition: color 0.2s;
    }
    .rf-footer-link:hover {
      color: var(--rf-accent);
    }
    .rf-footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 1.8rem;
      margin-top: 3.5rem;
    }

/* roulang page: category2 */
:root {
            --rf-bg-main: #0b0c10;
            --rf-bg-sub: #13151c;
            --rf-bg-card: #1b1e28;
            --rf-primary: #ff2a5f;
            --rf-secondary: #8b5cf6;
            --rf-accent: #00f0ff;
            --rf-text-white: #ffffff;
            --rf-text-muted: #9ca3af;
            --rf-text-dim: #64748b;
            --rf-border: rgba(255, 255, 255, 0.08);
            --rf-border-hover: rgba(255, 42, 95, 0.4);
            --rf-grad-btn: linear-gradient(135deg, #ff2a5f 0%, #8b5cf6 100%);
            --rf-shadow-btn: 0 8px 24px rgba(255, 42, 95, 0.35);
            --rf-card-radius: 14px;
        }

        body {
            background-color: var(--rf-bg-main);
            color: var(--rf-text-white);
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 15px;
            line-height: 1.75;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }

        a:hover {
            color: var(--rf-primary);
        }

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

        /* 顶部导航条 */
        .rf-navbar {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(11, 12, 16, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--rf-border);
            padding: 0.85rem 0;
        }

        .rf-logo-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.45rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--rf-text-white);
        }

        .rf-logo-brand:hover {
            color: var(--rf-text-white);
        }

        .rf-logo-icon {
            width: 36px;
            height: 36px;
            background: var(--rf-grad-btn);
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 4px 15px rgba(255, 42, 95, 0.4);
        }

        .rf-nav-link {
            color: #d1d5db;
            font-weight: 500;
            padding: 0.5rem 0.9rem;
            border-radius: 8px;
            font-size: 0.96rem;
            transition: all 0.2s ease;
        }

        .rf-nav-link:hover, .rf-nav-link.active {
            color: var(--rf-text-white);
            background: rgba(255, 255, 255, 0.06);
        }

        .rf-btn-capsule {
            background: var(--rf-grad-btn);
            color: #fff;
            font-weight: 600;
            border-radius: 50px;
            padding: 0.55rem 1.4rem;
            font-size: 0.92rem;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: var(--rf-shadow-btn);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .rf-btn-capsule:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 42, 95, 0.5);
        }

        .rf-btn-outline {
            background: transparent;
            color: var(--rf-text-white);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            padding: 0.55rem 1.4rem;
            font-size: 0.92rem;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.2s ease;
        }

        .rf-btn-outline:hover {
            border-color: var(--rf-accent);
            color: var(--rf-accent);
            background: rgba(0, 240, 255, 0.05);
        }

        /* 板块通用规范 */
        .rf-section {
            padding: 4.5rem 0;
            position: relative;
        }

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

        .rf-section-head {
            margin-bottom: 2.5rem;
        }

        .rf-section-title {
            font-size: 1.85rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 0.75rem;
        }

        .rf-section-title::before {
            content: "";
            display: inline-block;
            width: 4px;
            height: 1.4rem;
            background: var(--rf-grad-btn);
            border-radius: 2px;
        }

        .rf-section-desc {
            color: var(--rf-text-muted);
            font-size: 0.98rem;
            max-width: 820px;
            margin: 0;
            line-height: 1.8;
        }

        /* 分类页专属 Header 与多维筛选面板 */
        .rf-cat-header {
            padding: 3.2rem 0 2.2rem;
            background: radial-gradient(circle at 10% 20%, rgba(255, 42, 95, 0.12) 0%, rgba(11, 12, 16, 0) 50%),
                        radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.1) 0%, rgba(11, 12, 16, 0) 50%);
            border-bottom: 1px solid var(--rf-border);
        }

        .rf-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--rf-text-dim);
            margin-bottom: 1rem;
        }

        .rf-breadcrumb a:hover {
            color: var(--rf-accent);
        }

        .rf-cat-h1 {
            font-size: 2.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 0.75rem;
            background: linear-gradient(90deg, #ffffff 0%, #d1d5db 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .rf-filter-box {
            background: var(--rf-bg-sub);
            border: 1px solid var(--rf-border);
            border-radius: var(--rf-card-radius);
            padding: 1.5rem 1.8rem;
            margin-top: 1.8rem;
        }

        .rf-filter-row {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 0.6rem 0;
            border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
        }

        .rf-filter-row:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .rf-filter-label {
            min-width: 76px;
            font-size: 0.88rem;
            color: var(--rf-text-dim);
            font-weight: 600;
            padding-top: 3px;
        }

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

        .rf-filter-btn {
            font-size: 0.85rem;
            padding: 0.25rem 0.85rem;
            border-radius: 6px;
            color: var(--rf-text-muted);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.2s;
        }

        .rf-filter-btn:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .rf-filter-btn.active {
            color: #fff;
            background: rgba(255, 42, 95, 0.15);
            border-color: rgba(255, 42, 95, 0.4);
            font-weight: 600;
        }

        /* 焦点推荐大卡片 */
        .rf-spotlight-card {
            background: linear-gradient(135deg, rgba(27, 30, 40, 0.95) 0%, rgba(19, 21, 28, 0.98) 100%);
            border: 1px solid var(--rf-border);
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
            position: relative;
        }

        .rf-spotlight-img {
            height: 100%;
            min-height: 380px;
            object-fit: cover;
            width: 100%;
        }

        .rf-badge-cyan {
            background: rgba(0, 240, 255, 0.12);
            color: var(--rf-accent);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: 30px;
            padding: 0.25rem 0.75rem;
            font-size: 0.76rem;
            font-weight: 600;
            display: inline-block;
        }

        .rf-badge-pink {
            background: rgba(255, 42, 95, 0.15);
            color: var(--rf-primary);
            border: 1px solid rgba(255, 42, 95, 0.3);
            border-radius: 30px;
            padding: 0.25rem 0.75rem;
            font-size: 0.76rem;
            font-weight: 600;
            display: inline-block;
        }

        /* 作品网格海报卡片 */
        .rf-poster-card {
            background: var(--rf-bg-card);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--rf-border);
            transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
            display: flex;
            flex-direction: column;
            height: 100%;
            position: relative;
        }

        .rf-poster-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 14px 35px rgba(255, 42, 95, 0.22);
            border-color: var(--rf-border-hover);
        }

        .rf-poster-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .rf-poster-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .rf-poster-card:hover .rf-poster-thumb img {
            transform: scale(1.05);
        }

        .rf-poster-badge-top {
            position: absolute;
            top: 10px;
            left: 10px;
            z-index: 2;
        }

        .rf-poster-badge-status {
            position: absolute;
            bottom: 10px;
            right: 10px;
            z-index: 2;
            background: rgba(0, 0, 0, 0.75);
            backdrop-filter: blur(4px);
            color: #fff;
            padding: 0.2rem 0.55rem;
            font-size: 0.72rem;
            border-radius: 4px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .rf-poster-info {
            padding: 1.2rem;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .rf-poster-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .rf-poster-meta {
            font-size: 0.82rem;
            color: var(--rf-text-muted);
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .rf-poster-desc {
            font-size: 0.84rem;
            color: #94a3b8;
            line-height: 1.6;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* 排行榜组件 */
        .rf-rank-card {
            background: var(--rf-bg-sub);
            border: 1px solid var(--rf-border);
            border-radius: 12px;
            padding: 1rem 1.2rem;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all 0.2s ease;
        }

        .rf-rank-card:hover {
            border-color: rgba(0, 240, 255, 0.3);
            background: rgba(255, 255, 255, 0.02);
            transform: translateX(4px);
        }

        .rf-rank-num {
            font-size: 1.4rem;
            font-weight: 900;
            font-style: italic;
            width: 32px;
            color: var(--rf-text-dim);
            text-align: center;
        }

        .rf-rank-num.top-1 { color: #ff2a5f; }
        .rf-rank-num.top-2 { color: #8b5cf6; }
        .rf-rank-num.top-3 { color: #00f0ff; }

        .rf-rank-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 0.25rem;
        }

        /* 压制规格说明板块 */
        .rf-spec-box {
            background: var(--rf-bg-card);
            border: 1px solid var(--rf-border);
            border-radius: 14px;
            padding: 2rem;
            height: 100%;
        }

        .rf-spec-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(255, 42, 95, 0.1);
            color: var(--rf-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
        }

        /* 时间线板块 */
        .rf-timeline-wrap {
            position: relative;
            padding-left: 24px;
            border-left: 2px solid rgba(255, 255, 255, 0.1);
        }

        .rf-timeline-item {
            position: relative;
            margin-bottom: 2rem;
        }

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

        .rf-timeline-dot {
            position: absolute;
            left: -31px;
            top: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--rf-primary);
            box-shadow: 0 0 10px var(--rf-primary);
        }

        .rf-timeline-time {
            font-size: 0.85rem;
            color: var(--rf-accent);
            font-weight: 600;
            margin-bottom: 0.35rem;
        }

        .rf-timeline-card {
            background: var(--rf-bg-card);
            border: 1px solid var(--rf-border);
            border-radius: 10px;
            padding: 1.2rem 1.5rem;
        }

        /* 深度导读卡片 */
        .rf-article-card {
            background: var(--rf-bg-card);
            border: 1px solid var(--rf-border);
            border-radius: 14px;
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: all 0.25s ease;
        }

        .rf-article-card:hover {
            border-color: rgba(139, 92, 246, 0.4);
            transform: translateY(-4px);
        }

        .rf-article-body {
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        /* 底部转化条 */
        .rf-cta-banner {
            background: radial-gradient(circle at 50% 50%, rgba(255, 42, 95, 0.15) 0%, rgba(19, 21, 28, 0.95) 100%);
            border: 1px solid rgba(255, 42, 95, 0.3);
            border-radius: 18px;
            padding: 3rem 2.5rem;
            text-align: center;
        }

        /* 分页器 */
        .rf-pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 2.8rem;
        }

        .rf-page-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: var(--rf-bg-sub);
            border: 1px solid var(--rf-border);
            color: #d1d5db;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.2s;
        }

        .rf-page-btn:hover, .rf-page-btn.active {
            background: var(--rf-grad-btn);
            color: #fff;
            border-color: transparent;
        }

        /* 页脚规范 */
        .rf-footer {
            background: #07080b;
            border-top: 1px solid var(--rf-border);
            padding: 4.5rem 0 2.5rem;
        }

        .rf-footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.2rem;
            letter-spacing: -0.3px;
        }

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

        .rf-footer-list li {
            margin-bottom: 0.65rem;
        }

        .rf-footer-link {
            color: var(--rf-text-muted);
            font-size: 0.88rem;
            transition: color 0.2s;
        }

        .rf-footer-link:hover {
            color: var(--rf-accent);
        }

        .rf-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 2rem;
            margin-top: 3.5rem;
            color: var(--rf-text-dim);
            font-size: 0.84rem;
        }

        @media (max-width: 991.98px) {
            .rf-cat-h1 { font-size: 1.85rem; }
            .rf-section { padding: 3.2rem 0; }
            .rf-spotlight-img { min-height: 240px; }
            .rf-filter-box { padding: 1.2rem; }
            .rf-filter-row { flex-direction: column; gap: 8px; }
        }

/* roulang page: category4 */
:root {
      --rf-bg-main: #0b0c10;
      --rf-bg-sub: #13151c;
      --rf-bg-card: #1b1e28;
      --rf-primary: #ff2a5f;
      --rf-secondary: #8b5cf6;
      --rf-accent: #00f0ff;
      --rf-text-white: #ffffff;
      --rf-text-muted: #9ca3af;
      --rf-text-dim: #64748b;
      --rf-border: rgba(255, 255, 255, 0.08);
      --rf-border-hover: rgba(255, 42, 95, 0.4);
      --rf-grad-btn: linear-gradient(135deg, #ff2a5f 0%, #8b5cf6 100%);
      --rf-shadow-btn: 0 8px 24px rgba(255, 42, 95, 0.35);
      --rf-card-radius: 14px;
    }

    body {
      background-color: var(--rf-bg-main);
      color: var(--rf-text-white);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      font-size: 15px;
      line-height: 1.75;
      overflow-x: hidden;
      margin: 0;
      padding: 0;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover {
      color: var(--rf-primary);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* 顶部导航条 */
    .rf-navbar {
      position: sticky;
      top: 0;
      z-index: 1050;
      background: rgba(11, 12, 16, 0.88);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--rf-border);
      padding: 0.85rem 0;
    }
    .rf-logo-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--rf-text-white);
    }
    .rf-logo-brand:hover {
      color: var(--rf-text-white);
    }
    .rf-logo-icon {
      width: 36px;
      height: 36px;
      background: var(--rf-grad-btn);
      border-radius: 9px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1rem;
      box-shadow: 0 4px 15px rgba(255, 42, 95, 0.4);
    }
    .rf-nav-link {
      color: #d1d5db;
      font-weight: 500;
      padding: 0.5rem 0.9rem;
      border-radius: 8px;
      font-size: 0.96rem;
      transition: all 0.2s ease;
    }
    .rf-nav-link:hover, .rf-nav-link.active {
      color: var(--rf-text-white);
      background: rgba(255, 255, 255, 0.06);
    }
    .rf-btn-capsule {
      background: var(--rf-grad-btn);
      color: #fff;
      font-weight: 600;
      border-radius: 50px;
      padding: 0.55rem 1.4rem;
      font-size: 0.92rem;
      border: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: var(--rf-shadow-btn);
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .rf-btn-capsule:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(255, 42, 95, 0.5);
    }
    .rf-btn-outline {
      background: transparent;
      color: var(--rf-text-white);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 50px;
      padding: 0.55rem 1.4rem;
      font-size: 0.92rem;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.2s ease;
    }
    .rf-btn-outline:hover {
      border-color: var(--rf-accent);
      color: var(--rf-accent);
      background: rgba(0, 240, 255, 0.05);
    }

    /* 板块通用 */
    .rf-section {
      padding: 4.5rem 0;
      position: relative;
    }
    .rf-section-sub {
      background-color: var(--rf-bg-sub);
    }
    .rf-section-head {
      margin-bottom: 2.2rem;
    }
    .rf-section-title {
      font-size: 1.85rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 0.6rem;
    }
    .rf-section-title::before {
      content: "";
      display: inline-block;
      width: 4px;
      height: 1.4rem;
      background: var(--rf-grad-btn);
      border-radius: 2px;
    }
    .rf-section-desc {
      color: var(--rf-text-muted);
      font-size: 0.98rem;
      max-width: 820px;
      margin: 0;
    }

    /* 筛选器模块专用 */
    .rf-filter-box {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: 14px;
      padding: 1.5rem 1.8rem;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }
    .rf-filter-row {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 0.6rem 1.2rem;
      padding: 0.6rem 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
    }
    .rf-filter-row:last-child {
      border-bottom: none;
    }
    .rf-filter-label {
      font-size: 0.88rem;
      color: var(--rf-text-dim);
      font-weight: 600;
      min-width: 72px;
    }
    .rf-filter-tag {
      font-size: 0.88rem;
      color: var(--rf-text-muted);
      padding: 0.2rem 0.75rem;
      border-radius: 6px;
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .rf-filter-tag:hover, .rf-filter-tag.active {
      color: #fff;
      background: rgba(255, 42, 95, 0.18);
      color: var(--rf-primary);
      font-weight: 600;
    }

    /* 焦点大卡 */
    .rf-spotlight-card {
      background: linear-gradient(100deg, rgba(27, 30, 40, 0.98) 0%, rgba(19, 21, 28, 0.85) 60%, rgba(11, 12, 16, 0.4) 100%),
                  url('/assets/images/17a456b22908ec1c.jpg') center right/cover no-repeat;
      border: 1px solid var(--rf-border);
      border-radius: 16px;
      padding: 3rem;
      position: relative;
      overflow: hidden;
      box-shadow: 0 16px 40px rgba(0,0,0,0.5);
    }
    .rf-spotlight-content {
      max-width: 680px;
      position: relative;
      z-index: 2;
    }
    .rf-badge-cyan {
      background: rgba(0, 240, 255, 0.12);
      color: var(--rf-accent);
      border: 1px solid rgba(0, 240, 255, 0.25);
      border-radius: 30px;
      padding: 0.22rem 0.75rem;
      font-size: 0.75rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }
    .rf-badge-pink {
      background: rgba(255, 42, 95, 0.15);
      color: var(--rf-primary);
      border: 1px solid rgba(255, 42, 95, 0.3);
      border-radius: 30px;
      padding: 0.22rem 0.75rem;
      font-size: 0.75rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    /* 海报卡片流 */
    .rf-poster-card {
      background: var(--rf-bg-card);
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--rf-border);
      transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
      display: flex;
      flex-direction: column;
      height: 100%;
      position: relative;
    }
    .rf-poster-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 14px 35px rgba(255, 42, 95, 0.25);
      border-color: rgba(255, 42, 95, 0.5);
    }
    .rf-poster-thumb {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16/10;
    }
    .rf-poster-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .rf-poster-card:hover .rf-poster-thumb img {
      transform: scale(1.06);
    }
    .rf-poster-duration {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: rgba(0, 0, 0, 0.78);
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 500;
      color: #fff;
    }
    .rf-poster-body {
      padding: 1.25rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .rf-poster-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 0.4rem;
      line-height: 1.4;
      color: #fff;
    }

    /* 热度跃升榜单 */
    .rf-rank-card {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: 12px;
      padding: 1.2rem 1.4rem;
      display: flex;
      align-items: center;
      gap: 1.2rem;
      transition: all 0.25s ease;
    }
    .rf-rank-card:hover {
      border-color: var(--rf-border-hover);
      background: rgba(27, 30, 40, 0.85);
      transform: translateX(4px);
    }
    .rf-rank-num {
      font-size: 1.8rem;
      font-weight: 900;
      line-height: 1;
      width: 32px;
      text-align: center;
      color: var(--rf-text-dim);
      font-style: italic;
    }
    .rf-rank-num.top-3 {
      color: var(--rf-primary);
      text-shadow: 0 0 15px rgba(255, 42, 95, 0.4);
    }

    /* 技术规格网格 */
    .rf-spec-item {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: 12px;
      padding: 1.6rem;
      height: 100%;
    }
    .rf-spec-icon {
      font-size: 2rem;
      color: var(--rf-accent);
      margin-bottom: 1rem;
    }

    /* 时间轴动态 */
    .rf-timeline {
      position: relative;
      padding-left: 2rem;
      border-left: 2px solid rgba(255, 255, 255, 0.08);
    }
    .rf-timeline-item {
      position: relative;
      margin-bottom: 2rem;
    }
    .rf-timeline-item:last-child {
      margin-bottom: 0;
    }
    .rf-timeline-item::before {
      content: "";
      position: absolute;
      left: -2.38rem;
      top: 0.35rem;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--rf-primary);
      box-shadow: 0 0 10px var(--rf-primary);
    }
    .rf-timeline-date {
      font-size: 0.85rem;
      color: var(--rf-accent);
      font-weight: 600;
      margin-bottom: 0.3rem;
    }

    /* 页脚样式 */
    .rf-footer {
      background-color: #07080a;
      border-top: 1px solid var(--rf-border);
      padding: 4.5rem 0 2rem;
    }
    .rf-footer-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 1.25rem;
    }
    .rf-footer-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .rf-footer-list li {
      margin-bottom: 0.6rem;
    }
    .rf-footer-link {
      color: var(--rf-text-muted);
      font-size: 0.9rem;
    }
    .rf-footer-link:hover {
      color: var(--rf-primary);
    }
    .rf-footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 2rem;
      margin-top: 3.5rem;
      color: var(--rf-text-dim);
      font-size: 0.85rem;
    }

    @media (max-width: 991px) {
      .rf-spotlight-card {
        padding: 2rem 1.5rem;
      }
    }

/* roulang page: category3 */
:root {
      --rf-bg-main: #0b0c10;
      --rf-bg-sub: #13151c;
      --rf-bg-card: #1b1e28;
      --rf-primary: #ff2a5f;
      --rf-secondary: #8b5cf6;
      --rf-accent: #00f0ff;
      --rf-text-white: #ffffff;
      --rf-text-muted: #9ca3af;
      --rf-text-dim: #64748b;
      --rf-border: rgba(255, 255, 255, 0.08);
      --rf-border-hover: rgba(255, 42, 95, 0.4);
      --rf-grad-btn: linear-gradient(135deg, #ff2a5f 0%, #8b5cf6 100%);
      --rf-shadow-btn: 0 8px 24px rgba(255, 42, 95, 0.35);
      --rf-card-radius: 14px;
    }

    body {
      background-color: var(--rf-bg-main);
      color: var(--rf-text-white);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      font-size: 15px;
      line-height: 1.75;
      overflow-x: hidden;
      margin: 0;
      padding: 0;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover {
      color: var(--rf-primary);
    }

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

    /* 顶部导航条 */
    .rf-navbar {
      position: sticky;
      top: 0;
      z-index: 1050;
      background: rgba(11, 12, 16, 0.88);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--rf-border);
      padding: 0.85rem 0;
    }
    .rf-logo-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--rf-text-white);
    }
    .rf-logo-brand:hover {
      color: var(--rf-text-white);
    }
    .rf-logo-icon {
      width: 36px;
      height: 36px;
      background: var(--rf-grad-btn);
      border-radius: 9px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1rem;
      box-shadow: 0 4px 15px rgba(255, 42, 95, 0.4);
    }
    .rf-nav-link {
      color: #d1d5db;
      font-weight: 500;
      padding: 0.5rem 0.9rem;
      border-radius: 8px;
      font-size: 0.96rem;
      transition: all 0.2s ease;
    }
    .rf-nav-link:hover, .rf-nav-link.active {
      color: var(--rf-text-white);
      background: rgba(255, 255, 255, 0.06);
    }
    .rf-btn-capsule {
      background: var(--rf-grad-btn);
      color: #fff;
      font-weight: 600;
      border-radius: 50px;
      padding: 0.55rem 1.4rem;
      font-size: 0.92rem;
      border: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: var(--rf-shadow-btn);
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .rf-btn-capsule:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(255, 42, 95, 0.5);
    }
    .rf-btn-outline {
      background: transparent;
      color: var(--rf-text-white);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 50px;
      padding: 0.55rem 1.4rem;
      font-size: 0.92rem;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.2s ease;
    }
    .rf-btn-outline:hover {
      border-color: var(--rf-accent);
      color: var(--rf-accent);
      background: rgba(0, 240, 255, 0.05);
    }

    /* 板块通用 */
    .rf-section {
      padding: 4.5rem 0;
      position: relative;
    }
    .rf-section-sub {
      background-color: var(--rf-bg-sub);
    }
    .rf-section-head {
      margin-bottom: 2.5rem;
    }
    .rf-section-title {
      font-size: 1.85rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 0.75rem;
    }
    .rf-section-title::before {
      content: "";
      display: inline-block;
      width: 4px;
      height: 1.4rem;
      background: var(--rf-grad-btn);
      border-radius: 2px;
    }
    .rf-section-desc {
      color: var(--rf-text-muted);
      font-size: 0.98rem;
      max-width: 820px;
      margin: 0;
      line-height: 1.8;
    }

    /* 徽章与标签 */
    .rf-badge-cyan {
      background: rgba(0, 240, 255, 0.12);
      color: var(--rf-accent);
      border: 1px solid rgba(0, 240, 255, 0.25);
      border-radius: 30px;
      padding: 0.22rem 0.65rem;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      display: inline-block;
    }
    .rf-badge-pink {
      background: rgba(255, 42, 95, 0.15);
      color: var(--rf-primary);
      border: 1px solid rgba(255, 42, 95, 0.3);
      border-radius: 30px;
      padding: 0.22rem 0.65rem;
      font-size: 0.75rem;
      font-weight: 600;
      display: inline-block;
    }
    .rf-badge-purple {
      background: rgba(139, 92, 246, 0.15);
      color: var(--rf-secondary);
      border: 1px solid rgba(139, 92, 246, 0.3);
      border-radius: 30px;
      padding: 0.22rem 0.65rem;
      font-size: 0.75rem;
      font-weight: 600;
      display: inline-block;
    }

    /* 分类专属 Header 与多维筛选面板 */
    .rf-cat-header-wrap {
      padding: 3rem 0 2rem;
      background: linear-gradient(180deg, rgba(19, 21, 28, 0.9) 0%, rgba(11, 12, 16, 1) 100%);
      border-bottom: 1px solid var(--rf-border);
    }
    .rf-filter-panel {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: var(--rf-card-radius);
      padding: 1.6rem;
      margin-top: 1.8rem;
    }
    .rf-filter-row {
      display: flex;
      align-items: center;
      gap: 1rem;
      padding: 0.55rem 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
    }
    .rf-filter-row:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .rf-filter-label {
      color: var(--rf-text-dim);
      font-size: 0.88rem;
      font-weight: 600;
      min-width: 70px;
    }
    .rf-filter-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
    }
    .rf-filter-tag {
      font-size: 0.85rem;
      padding: 0.25rem 0.75rem;
      border-radius: 6px;
      color: var(--rf-text-muted);
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid transparent;
      cursor: pointer;
      transition: all 0.2s;
    }
    .rf-filter-tag:hover {
      color: var(--rf-text-white);
      background: rgba(255, 255, 255, 0.08);
    }
    .rf-filter-tag.active {
      color: #fff;
      background: var(--rf-primary);
      font-weight: 600;
    }

    /* 焦点大卡 */
    .rf-spotlight-card {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: var(--rf-card-radius);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
      transition: border-color 0.3s;
    }
    @media (min-width: 992px) {
      .rf-spotlight-card {
        flex-direction: row;
      }
    }
    .rf-spotlight-media {
      position: relative;
      flex: 0 0 52%;
      overflow: hidden;
      min-height: 320px;
    }
    .rf-spotlight-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    }
    .rf-spotlight-card:hover .rf-spotlight-media img {
      transform: scale(1.04);
    }
    .rf-spotlight-body {
      padding: 2.2rem;
      display: flex;
      flex-direction: column;
      justify-content: center;
      flex: 1;
    }

    /* 作品网格卡片 */
    .rf-work-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
      gap: 1.5rem;
    }
    .rf-work-card {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: 12px;
      overflow: hidden;
      transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .rf-work-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 12px 28px rgba(255, 42, 95, 0.2);
      border-color: var(--rf-border-hover);
    }
    .rf-work-thumb {
      position: relative;
      padding-top: 135%;
      overflow: hidden;
      background: #000;
    }
    .rf-work-thumb img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .rf-work-card:hover .rf-work-thumb img {
      transform: scale(1.06);
    }
    .rf-work-badge {
      position: absolute;
      top: 10px;
      right: 10px;
      z-index: 2;
    }
    .rf-work-ep {
      position: absolute;
      bottom: 8px;
      left: 10px;
      background: rgba(0, 0, 0, 0.7);
      backdrop-filter: blur(4px);
      font-size: 0.75rem;
      color: #fff;
      padding: 2px 6px;
      border-radius: 4px;
      z-index: 2;
    }
    .rf-work-info {
      padding: 1rem;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .rf-work-title {
      font-size: 0.98rem;
      font-weight: 700;
      margin-bottom: 0.4rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .rf-work-meta {
      font-size: 0.8rem;
      color: var(--rf-text-muted);
      display: flex;
      justify-content: space-between;
      margin-top: auto;
    }

    /* 热度跃升紧凑榜单 */
    .rf-rank-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 1rem;
    }
    .rf-rank-item {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: 10px;
      padding: 0.85rem 1rem;
      display: flex;
      align-items: center;
      gap: 12px;
      transition: all 0.2s ease;
    }
    .rf-rank-item:hover {
      border-color: rgba(0, 240, 255, 0.4);
      transform: translateX(4px);
      background: rgba(27, 30, 40, 0.9);
    }
    .rf-rank-num {
      font-size: 1.25rem;
      font-weight: 900;
      font-style: italic;
      width: 28px;
      text-align: center;
      color: var(--rf-text-dim);
    }
    .rf-rank-num.top-3 {
      color: var(--rf-primary);
      text-shadow: 0 0 10px rgba(255, 42, 95, 0.4);
    }
    .rf-rank-text {
      flex: 1;
      overflow: hidden;
    }
    .rf-rank-title {
      font-size: 0.92rem;
      font-weight: 600;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      margin-bottom: 2px;
    }
    .rf-rank-sub {
      font-size: 0.78rem;
      color: var(--rf-text-muted);
    }

    /* 压制规格参数网格 */
    .rf-spec-card {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: var(--rf-card-radius);
      padding: 1.6rem;
      height: 100%;
      border-top: 3px solid var(--rf-accent);
    }
    .rf-spec-icon {
      font-size: 2rem;
      color: var(--rf-accent);
      margin-bottom: 1rem;
    }

    /* 时间轴日志 */
    .rf-timeline {
      position: relative;
      border-left: 2px solid rgba(255, 255, 255, 0.08);
      padding-left: 1.5rem;
      margin-left: 1rem;
    }
    .rf-timeline-item {
      position: relative;
      margin-bottom: 2rem;
    }
    .rf-timeline-item:last-child {
      margin-bottom: 0;
    }
    .rf-timeline-dot {
      position: absolute;
      left: -1.95rem;
      top: 4px;
      width: 14px;
      height: 14px;
      background: var(--rf-primary);
      border-radius: 50%;
      border: 3px solid var(--rf-bg-main);
      box-shadow: 0 0 8px var(--rf-primary);
    }
    .rf-timeline-date {
      font-size: 0.82rem;
      color: var(--rf-accent);
      font-weight: 600;
      margin-bottom: 0.35rem;
    }
    .rf-timeline-content {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: 8px;
      padding: 1rem 1.2rem;
    }

    /* 深度资讯卡片 */
    .rf-article-card {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: var(--rf-card-radius);
      overflow: hidden;
      height: 100%;
      display: flex;
      flex-direction: column;
      transition: all 0.25s ease;
    }
    .rf-article-card:hover {
      border-color: var(--rf-border-hover);
      transform: translateY(-4px);
    }
    .rf-article-thumb {
      height: 170px;
      overflow: hidden;
    }
    .rf-article-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .rf-article-card:hover .rf-article-thumb img {
      transform: scale(1.05);
    }
    .rf-article-body {
      padding: 1.4rem;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    /* 专属观影 CTA Banner */
    .rf-cat-cta-banner {
      background: linear-gradient(135deg, rgba(255, 42, 95, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%), var(--rf-bg-card);
      border: 1px solid rgba(255, 42, 95, 0.3);
      border-radius: 16px;
      padding: 3rem 2rem;
      position: relative;
      overflow: hidden;
    }

    /* 页脚系统 */
    .rf-footer {
      background-color: #07080a;
      border-top: 1px solid var(--rf-border);
      padding: 4.5rem 0 2rem;
    }
    .rf-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.35rem;
      font-weight: 800;
      color: #fff;
    }
    .rf-footer-title {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 1.2rem;
    }
    .rf-footer-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .rf-footer-list li {
      margin-bottom: 0.65rem;
    }
    .rf-footer-link {
      color: var(--rf-text-muted);
      font-size: 0.9rem;
    }
    .rf-footer-link:hover {
      color: var(--rf-primary);
    }
    .rf-footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 2rem;
      margin-top: 3rem;
      font-size: 0.85rem;
      color: var(--rf-text-dim);
    }

    /* 移动端调整 */
    @media (max-width: 991.98px) {
      .rf-work-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 1rem;
      }
      .rf-spotlight-media {
        min-height: 220px;
      }
    }

/* roulang page: category5 */
:root {
      --rf-bg-main: #0b0c10;
      --rf-bg-sub: #13151c;
      --rf-bg-card: #1b1e28;
      --rf-primary: #ff2a5f;
      --rf-secondary: #8b5cf6;
      --rf-accent: #00f0ff;
      --rf-text-white: #ffffff;
      --rf-text-muted: #9ca3af;
      --rf-text-dim: #64748b;
      --rf-border: rgba(255, 255, 255, 0.08);
      --rf-border-hover: rgba(255, 42, 95, 0.4);
      --rf-grad-btn: linear-gradient(135deg, #ff2a5f 0%, #8b5cf6 100%);
      --rf-shadow-btn: 0 8px 24px rgba(255, 42, 95, 0.35);
      --rf-card-radius: 14px;
    }
    body {
      background-color: var(--rf-bg-main);
      color: var(--rf-text-white);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      font-size: 15px;
      line-height: 1.75;
      overflow-x: hidden;
      margin: 0;
      padding: 0;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover {
      color: var(--rf-primary);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .rf-navbar {
      position: sticky;
      top: 0;
      z-index: 1050;
      background: rgba(11, 12, 16, 0.88);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--rf-border);
      padding: 0.85rem 0;
    }
    .rf-logo-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--rf-text-white);
    }
    .rf-logo-brand:hover {
      color: var(--rf-text-white);
    }
    .rf-logo-icon {
      width: 36px;
      height: 36px;
      background: var(--rf-grad-btn);
      border-radius: 9px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1rem;
      box-shadow: 0 4px 15px rgba(255, 42, 95, 0.4);
    }
    .rf-nav-link {
      color: #d1d5db;
      font-weight: 500;
      padding: 0.5rem 0.9rem;
      border-radius: 8px;
      font-size: 0.96rem;
      transition: all 0.2s ease;
    }
    .rf-nav-link:hover, .rf-nav-link.active {
      color: var(--rf-text-white);
      background: rgba(255, 255, 255, 0.06);
    }
    .rf-btn-capsule {
      background: var(--rf-grad-btn);
      color: #fff;
      font-weight: 600;
      border-radius: 50px;
      padding: 0.55rem 1.4rem;
      font-size: 0.92rem;
      border: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: var(--rf-shadow-btn);
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .rf-btn-capsule:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(255, 42, 95, 0.5);
    }
    .rf-btn-outline {
      background: transparent;
      color: var(--rf-text-white);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 50px;
      padding: 0.55rem 1.4rem;
      font-size: 0.92rem;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.2s ease;
    }
    .rf-btn-outline:hover {
      border-color: var(--rf-accent);
      color: var(--rf-accent);
      background: rgba(0, 240, 255, 0.05);
    }
    .rf-section {
      padding: 4.8rem 0;
      position: relative;
    }
    .rf-section-sub {
      background-color: var(--rf-bg-sub);
    }
    .rf-section-head {
      margin-bottom: 2.8rem;
    }
    .rf-section-title {
      font-size: 2rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 0.85rem;
    }
    .rf-section-title::before {
      content: "";
      display: inline-block;
      width: 4px;
      height: 1.5rem;
      background: var(--rf-grad-btn);
      border-radius: 2px;
    }
    .rf-section-desc {
      color: var(--rf-text-muted);
      font-size: 1.02rem;
      max-width: 820px;
      margin: 0;
      line-height: 1.8;
    }
    .rf-card {
      background-color: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: var(--rf-card-radius);
      padding: 1.8rem;
      height: 100%;
      transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
    }
    .rf-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
      border-color: var(--rf-border-hover);
    }
    .rf-badge-cyan {
      background: rgba(0, 240, 255, 0.12);
      color: var(--rf-accent);
      border: 1px solid rgba(0, 240, 255, 0.25);
      border-radius: 30px;
      padding: 0.22rem 0.65rem;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.5px;
      display: inline-block;
    }
    .rf-badge-pink {
      background: rgba(255, 42, 95, 0.15);
      color: var(--rf-primary);
      border: 1px solid rgba(255, 42, 95, 0.3);
      border-radius: 30px;
      padding: 0.22rem 0.65rem;
      font-size: 0.75rem;
      font-weight: 600;
      display: inline-block;
    }
    .rf-filter-bar {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: 14px;
      padding: 1.25rem 1.75rem;
      margin-top: 1.8rem;
    }
    .rf-filter-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      margin-bottom: 0.75rem;
    }
    .rf-filter-group:last-child {
      margin-bottom: 0;
    }
    .rf-filter-label {
      font-size: 0.85rem;
      color: var(--rf-text-dim);
      font-weight: 600;
      min-width: 70px;
    }
    .rf-filter-item {
      font-size: 0.86rem;
      color: var(--rf-text-muted);
      padding: 0.22rem 0.75rem;
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.03);
      transition: all 0.2s;
    }
    .rf-filter-item:hover, .rf-filter-item.active {
      color: #fff;
      background: var(--rf-primary);
    }
    .rf-focus-card {
      background: linear-gradient(135deg, rgba(27, 30, 40, 0.9) 0%, rgba(19, 21, 28, 0.95) 100%),
                  url('/assets/images/37cfa3458d895158.webp') center/cover no-repeat;
      border: 1px solid var(--rf-border-hover);
      border-radius: 16px;
      padding: 2.8rem;
      position: relative;
      overflow: hidden;
    }
    .rf-focus-card::after {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      background: radial-gradient(circle at 90% 50%, rgba(255, 42, 95, 0.15) 0%, transparent 60%);
      pointer-events: none;
    }
    .rf-client-card {
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: 14px;
      padding: 2rem;
      height: 100%;
      position: relative;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .rf-client-card:hover {
      transform: translateY(-5px);
      border-color: var(--rf-border-hover);
      box-shadow: 0 12px 30px rgba(255, 42, 95, 0.2);
    }
    .rf-client-icon {
      font-size: 2.8rem;
      margin-bottom: 1.25rem;
      display: inline-block;
    }
    .rf-client-icon.win { color: #00d2ff; }
    .rf-client-icon.and { color: #3ddc84; }
    .rf-client-icon.mac { color: #ffffff; }
    .rf-client-icon.ios { color: #ff5e62; }
    .rf-rank-item {
      display: flex;
      align-items: center;
      gap: 1.25rem;
      padding: 1.1rem 1.4rem;
      background: var(--rf-bg-card);
      border: 1px solid var(--rf-border);
      border-radius: 10px;
      margin-bottom: 0.9rem;
      transition: all 0.25s ease;
    }
    .rf-rank-item:hover {
      border-color: var(--rf-primary);
      transform: translateX(6px);
      background: rgba(255, 42, 95, 0.05);
    }
    .rf-rank-num {
      font-size: 1.4rem;
      font-weight: 800;
      font-style: italic;
      color: var(--rf-accent);
      min-width: 32px;
    }
    .rf-rank-num.top3 {
      color: var(--rf-primary);
    }
    .rf-spec-badge {
      font-family: monospace;
      font-size: 0.85rem;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 0.35rem 0.75rem;
      border-radius: 6px;
      color: #e2e8f0;
      display: inline-block;
    }
    .rf-timeline-item {
      position: relative;
      padding-left: 2rem;
      border-left: 2px solid rgba(255, 42, 95, 0.3);
      padding-bottom: 2rem;
    }
    .rf-timeline-item:last-child {
      border-left-color: transparent;
      padding-bottom: 0;
    }
    .rf-timeline-dot {
      position: absolute;
      left: -7px;
      top: 4px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--rf-primary);
      box-shadow: 0 0 10px var(--rf-primary);
    }
    .rf-footer {
      background-color: #07080a;
      border-top: 1px solid var(--rf-border);
      padding: 4.5rem 0 2rem;
    }
    .rf-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      color: #fff;
    }
    .rf-footer-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 1.25rem;
    }
    .rf-footer-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .rf-footer-list li {
      margin-bottom: 0.65rem;
    }
    .rf-footer-link {
      color: var(--rf-text-muted);
      font-size: 0.92rem;
    }
    .rf-footer-link:hover {
      color: var(--rf-primary);
    }
    .rf-copyright {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 2rem;
      margin-top: 3.5rem;
      color: var(--rf-text-dim);
      font-size: 0.88rem;
    }

/* 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}