/* roulang page: index */
:root {
      --bg-base: #121316;
      --bg-card: #1a1d24;
      --bg-card-alt: #222630;
      --brand-red: #e52e3d;
      --brand-red-hover: #ff3b4b;
      --brand-gold: #e5a93c;
      --border-color: #323846;
      --text-main: #d8dce6;
      --text-muted: #8c93a6;
      --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      --radius-sm: 4px;
      --radius-md: 6px;
      --radius-lg: 8px;
      --radius-pill: 24px;
      --shadow-tight: 0 4px 14px rgba(0, 0, 0, 0.35);
    }

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

    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: var(--font-stack);
      line-height: 1.75;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: var(--text-main);
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover {
      color: var(--brand-red);
    }

    h1, h2, h3, h4, h5, h6 {
      color: #ffffff;
      font-weight: 700;
      line-height: 1.35;
      margin-bottom: 0.5rem;
    }

    p {
      margin-bottom: 1rem;
      color: var(--text-muted);
    }

    .grid-container {
      max-width: 1200px;
    }

    /* Top Navigation */
    .site-header {
      background: #0d0e11;
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1000;
    }

    .top-bar-custom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 16px;
      gap: 16px;
    }

    .logo-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: #ffffff;
      letter-spacing: -0.5px;
      white-space: nowrap;
    }

    .logo-brand i {
      color: var(--brand-red);
      font-size: 22px;
    }

    .logo-tag {
      font-size: 11px;
      background: rgba(229, 46, 61, 0.15);
      color: var(--brand-red);
      padding: 2px 6px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(229, 46, 61, 0.3);
      font-weight: 600;
    }

    .header-search {
      flex: 1;
      max-width: 480px;
      position: relative;
    }

    .header-search input {
      width: 100%;
      background: #181b22;
      border: 1px solid var(--border-color);
      color: #fff;
      padding: 8px 16px 8px 36px;
      border-radius: var(--radius-pill);
      font-size: 13px;
      margin-bottom: 0;
      transition: border-color 0.2s ease;
    }

    .header-search input:focus {
      border-color: var(--brand-red);
      background: #1c2029;
      outline: none;
    }

    .header-search i {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 13px;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn-nav-action {
      background: var(--brand-red);
      color: #fff;
      font-size: 13px;
      padding: 8px 16px;
      border-radius: var(--radius-md);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-nav-action:hover {
      background: var(--brand-red-hover);
      color: #fff;
      transform: translateY(-2px);
    }

    .channel-sub-bar {
      background: #14161c;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding: 8px 16px;
      overflow-x: auto;
      white-space: nowrap;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
    }
    .channel-sub-bar::-webkit-scrollbar {
      display: none;
    }

    .channel-nav-list {
      display: inline-flex;
      gap: 8px;
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .channel-nav-item a {
      display: inline-block;
      padding: 5px 14px;
      font-size: 13px;
      color: var(--text-muted);
      background: rgba(255, 255, 255, 0.03);
      border-radius: var(--radius-pill);
      border: 1px solid transparent;
    }

    .channel-nav-item.active a,
    .channel-nav-item a:hover {
      color: #fff;
      background: rgba(229, 46, 61, 0.12);
      border-color: rgba(229, 46, 61, 0.4);
    }

    /* Section Global */
    .section-block {
      padding: 56px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .section-header {
      margin-bottom: 32px;
    }

    .section-title {
      font-size: 26px;
      font-weight: 800;
      color: #ffffff;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .section-title::before {
      content: "";
      display: inline-block;
      width: 4px;
      height: 24px;
      background: var(--brand-red);
      border-radius: 2px;
    }

    .section-subtitle {
      color: var(--text-muted);
      font-size: 14px;
      max-width: 860px;
      margin-top: 8px;
      line-height: 1.7;
    }

    /* Card Base */
    .tech-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-tight);
      transition: transform 0.25s ease, border-color 0.25s ease;
      height: 100%;
    }

    .tech-card:hover {
      transform: translateY(-4px);
      border-color: rgba(229, 46, 61, 0.4);
    }

    /* 1. Hero: 白皮书获客 (资料封面 + 目录摘要 + 留资下载) */
    .hero-whitepaper-block {
      padding: 60px 0;
      background: radial-gradient(circle at 80% 20%, rgba(229, 46, 61, 0.08) 0%, transparent 50%), #121316;
      border-bottom: 1px solid var(--border-color);
    }

    .whitepaper-cover-box {
      background: linear-gradient(145deg, #1c202a, #101217);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      position: relative;
      overflow: hidden;
    }

    .whitepaper-cover-box::after {
      content: "OFFICIAL STANDARD";
      position: absolute;
      right: -20px;
      bottom: 20px;
      font-size: 28px;
      font-weight: 900;
      color: rgba(255, 255, 255, 0.02);
      transform: rotate(-10deg);
      pointer-events: none;
    }

    .doc-badge {
      display: inline-block;
      font-size: 12px;
      background: rgba(229, 169, 60, 0.15);
      color: var(--brand-gold);
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      font-weight: 600;
    }

    .whitepaper-cover-box h1 {
      font-size: 28px;
      line-height: 1.35;
      margin-bottom: 16px;
      color: #ffffff;
    }

    .whitepaper-desc {
      color: var(--text-main);
      font-size: 14px;
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .index-toc-box {
      background: rgba(0, 0, 0, 0.25);
      border-radius: var(--radius-md);
      padding: 16px;
      border-left: 3px solid var(--brand-red);
      margin-bottom: 20px;
    }

    .index-toc-box h4 {
      font-size: 14px;
      color: #fff;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .toc-item-list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 6px;
      font-size: 12px;
      color: var(--text-muted);
    }

    .lead-download-form {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
    }

    .lead-download-form h3 {
      font-size: 18px;
      color: #fff;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .form-input-control {
      background: #121419;
      border: 1px solid var(--border-color);
      color: #fff;
      padding: 10px 14px;
      border-radius: var(--radius-md);
      font-size: 13px;
      width: 100%;
      margin-bottom: 14px;
    }

    .btn-submit-action {
      width: 100%;
      background: var(--brand-red);
      color: #fff;
      font-weight: 700;
      padding: 12px;
      border-radius: var(--radius-md);
      border: none;
      cursor: pointer;
      font-size: 14px;
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 8px;
      transition: background 0.2s ease;
    }
    .btn-submit-action:hover {
      background: var(--brand-red-hover);
    }

    /* 2. KPI 指标看板 */
    .kpi-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 16px;
    }

    .kpi-metric-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px;
      text-align: center;
    }

    .kpi-val {
      font-size: 30px;
      font-weight: 900;
      color: var(--brand-gold);
      font-family: monospace;
      line-height: 1.1;
      margin-bottom: 4px;
    }

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

    /* 3. 画质对比横向 Table */
    .contrast-table-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow-x: auto;
    }

    .table-contrast {
      width: 100%;
      border-collapse: collapse;
      font-size: 13px;
      margin: 0;
    }

    .table-contrast th,
    .table-contrast td {
      padding: 14px 18px;
      text-align: left;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .table-contrast th {
      background: #15181f;
      color: #fff;
      font-weight: 700;
    }

    .val-good {
      color: #4ade80;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .val-bad {
      color: #f87171;
      font-weight: 500;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* 4. 左资讯流 + 右热榜 (Hero 蓝图指定结构) */
    .cms-feed-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px;
      margin-bottom: 14px;
      transition: border-color 0.2s ease;
    }

    .cms-feed-card:hover {
      border-color: var(--brand-red);
    }

    .cms-feed-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 8px;
    }

    .cms-feed-title {
      font-size: 17px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 6px;
    }

    .cms-feed-meta {
      font-size: 12px;
      color: var(--text-muted);
      display: flex;
      gap: 12px;
      align-items: center;
    }

    .cms-cat-tag {
      background: rgba(229, 46, 61, 0.15);
      color: var(--brand-red);
      padding: 2px 8px;
      border-radius: var(--radius-sm);
      font-size: 11px;
    }

    .cms-feed-desc {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 0;
      line-height: 1.6;
    }

    .rank-list-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 20px;
    }

    .rank-item-row {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .rank-num {
      width: 24px;
      height: 24px;
      border-radius: 4px;
      background: #252a36;
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 700;
      flex-shrink: 0;
    }

    .rank-num.top-1 { background: #e52e3d; }
    .rank-num.top-2 { background: #e57e3c; }
    .rank-num.top-3 { background: #e5a93c; }

    .rank-info {
      flex: 1;
    }

    .rank-title {
      font-size: 13px;
      color: #fff;
      font-weight: 600;
      margin-bottom: 2px;
    }

    .rank-bar-bg {
      background: rgba(255, 255, 255, 0.08);
      height: 4px;
      border-radius: 2px;
      overflow: hidden;
      margin-top: 4px;
    }

    .rank-bar-fill {
      background: var(--brand-red);
      height: 100%;
    }

    /* 5. 专题条板块 (横向通栏聚类) */
    .thematic-strip {
      background: linear-gradient(90deg, #181c25 0%, #222735 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }

    .strip-info h3 {
      font-size: 18px;
      color: #fff;
      margin-bottom: 4px;
    }

    .strip-info p {
      font-size: 13px;
      margin-bottom: 0;
    }

    .strip-tags-box {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .strip-tag {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      font-size: 12px;
      color: var(--text-main);
    }

    /* 6. 最新动态 (Table-like 行组件) */
    .status-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 13px;
    }

    .status-table tr {
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .status-table td {
      padding: 12px 14px;
    }

    .status-badge {
      display: inline-block;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 11px;
      font-weight: 600;
    }
    .badge-synced { background: rgba(74, 222, 128, 0.15); color: #4ade80; }
    .badge-building { background: rgba(229, 169, 60, 0.15); color: var(--brand-gold); }

    /* 7. 媒体合作与生态节点 */
    .partner-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 14px;
    }

    .partner-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      text-align: center;
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 8. 订阅 / 多端解码支持 */
    .client-download-box {
      background: #16181f;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      text-align: center;
    }

    .client-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 24px;
      text-align: left;
    }

    .client-item {
      background: #1c202a;
      border: 1px solid var(--border-color);
      padding: 20px;
      border-radius: var(--radius-md);
    }

    .client-item i {
      font-size: 26px;
      color: var(--brand-red);
      margin-bottom: 12px;
      display: block;
    }

    /* 9. 里程碑发展时间轴 */
    .timeline-container {
      position: relative;
      padding: 20px 0;
    }
    .timeline-container::before {
      content: "";
      position: absolute;
      top: 0;
      bottom: 0;
      left: 18px;
      width: 2px;
      background: var(--border-color);
    }
    .timeline-node {
      position: relative;
      padding-left: 48px;
      margin-bottom: 24px;
    }
    .timeline-node::before {
      content: "";
      position: absolute;
      left: 13px;
      top: 6px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--brand-red);
      box-shadow: 0 0 0 4px rgba(229, 46, 61, 0.2);
    }

    /* 10. 平台保障承诺 */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

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

    .guarantee-icon {
      font-size: 22px;
      color: var(--brand-red);
      margin-bottom: 10px;
    }

    /* 11. 常见问题深度解答 (FAQ) */
    .faq-accordion-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
    }

    .faq-title {
      padding: 16px 20px;
      font-size: 15px;
      font-weight: 700;
      color: #fff;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-body {
      padding: 0 20px 16px 20px;
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.75;
    }

    /* 12. 最终转化表单与数据底栏 */
    .action-cta-banner {
      background: linear-gradient(135deg, #220b0e 0%, #151821 100%);
      border: 1px solid rgba(229, 46, 61, 0.4);
      border-radius: var(--radius-lg);
      padding: 36px;
    }

    /* Footer */
    .site-footer {
      background: #0a0b0d;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 24px;
      color: var(--text-muted);
      font-size: 13px;
    }

    .footer-col h5 {
      font-size: 15px;
      color: #fff;
      margin-bottom: 16px;
    }

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

    .footer-links li {
      margin-bottom: 8px;
    }

    .footer-links a {
      color: var(--text-muted);
    }
    .footer-links a:hover {
      color: var(--brand-red);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      margin-top: 36px;
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 12px;
    }

    /* 响应式断点控制 */
    @media screen and (max-width: 1024px) {
      .kpi-row { grid-template-columns: repeat(2, 1fr); }
      .partner-grid { grid-template-columns: repeat(3, 1fr); }
      .client-grid { grid-template-columns: 1fr; }
      .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media screen and (max-width: 768px) {
      .top-bar-custom { flex-wrap: wrap; }
      .header-search { order: 3; width: 100%; max-width: 100%; }
      .whitepaper-cover-box h1 { font-size: 22px; }
      .toc-item-list { grid-template-columns: 1fr; }
      .kpi-row { grid-template-columns: 1fr; }
      .partner-grid { grid-template-columns: repeat(2, 1fr); }
      .guarantee-grid { grid-template-columns: 1fr; }
      .section-title { font-size: 20px; }
      .action-cta-banner { padding: 20px; }
    }

/* roulang page: article */
:root {
      --bg-base: #121316;
      --bg-card: #1a1d24;
      --bg-card-alt: #222630;
      --brand-red: #e52e3d;
      --brand-red-hover: #ff3b4b;
      --brand-gold: #e5a93c;
      --border-color: #323846;
      --text-main: #d8dce6;
      --text-muted: #8c93a6;
      --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      --radius-sm: 4px;
      --radius-md: 6px;
      --radius-lg: 8px;
      --radius-pill: 24px;
      --shadow-tight: 0 4px 14px rgba(0, 0, 0, 0.35);
    }
    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: var(--font-stack);
      line-height: 1.75;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
      margin: 0;
      padding: 0;
    }
    a {
      color: var(--text-main);
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover {
      color: var(--brand-red);
    }
    .grid-container {
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 16px;
      padding-right: 16px;
    }
    /* Top Navigation */
    .site-header {
      background: #0d0e11;
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .top-bar-custom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 12px 0;
    }
    .logo-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: #ffffff;
      letter-spacing: -0.5px;
      white-space: nowrap;
    }
    .logo-brand i {
      color: var(--brand-red);
      font-size: 22px;
    }
    .logo-tag {
      font-size: 11px;
      background: rgba(229, 46, 61, 0.15);
      color: var(--brand-red);
      padding: 2px 6px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(229, 46, 61, 0.3);
      font-weight: 600;
    }
    .header-search {
      flex: 1;
      max-width: 480px;
      position: relative;
    }
    .header-search input {
      width: 100%;
      background: #181b22;
      border: 1px solid var(--border-color);
      color: #fff;
      padding: 8px 16px 8px 36px;
      border-radius: var(--radius-pill);
      font-size: 13px;
      margin-bottom: 0;
      transition: border-color 0.2s ease;
      box-sizing: border-box;
    }
    .header-search input:focus {
      border-color: var(--brand-red);
      background: #1c2029;
      outline: none;
    }
    .header-search i {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 13px;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-nav-action {
      background: var(--brand-red);
      color: #fff;
      font-size: 13px;
      padding: 8px 16px;
      border-radius: var(--radius-md);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-nav-action:hover {
      background: var(--brand-red-hover);
      color: #fff;
      transform: translateY(-2px);
    }
    .channel-sub-bar {
      background: #14161c;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding: 6px 0;
      overflow-x: auto;
      white-space: nowrap;
    }
    .channel-nav-list {
      display: inline-flex;
      gap: 8px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .channel-nav-item a {
      display: inline-block;
      padding: 5px 14px;
      font-size: 13px;
      color: var(--text-muted);
      background: rgba(255, 255, 255, 0.03);
      border-radius: var(--radius-pill);
      border: 1px solid transparent;
    }
    .channel-nav-item.active a,
    .channel-nav-item a:hover {
      color: #fff;
      background: rgba(229, 46, 61, 0.12);
      border-color: rgba(229, 46, 61, 0.4);
    }
    /* Section Global */
    .section-block {
      padding: 40px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .section-title {
      font-size: 22px;
      font-weight: 800;
      color: #ffffff;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }
    .section-title::before {
      content: "";
      display: inline-block;
      width: 4px;
      height: 20px;
      background: var(--brand-red);
      border-radius: 2px;
    }
    .tech-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-tight);
      transition: transform 0.25s ease, border-color 0.25s ease;
      height: 100%;
      box-sizing: border-box;
    }
    .tech-card:hover {
      transform: translateY(-3px);
      border-color: rgba(229, 46, 61, 0.4);
    }
    /* Breadcrumb */
    .breadcrumb-nav {
      padding: 16px 0;
      font-size: 13px;
      color: var(--text-muted);
    }
    .breadcrumb-nav a {
      color: var(--text-muted);
    }
    .breadcrumb-nav a:hover {
      color: var(--brand-red);
    }
    .breadcrumb-nav span {
      margin: 0 8px;
      color: #444b59;
    }
    /* Article Hero Header */
    .article-header-card {
      background: linear-gradient(180deg, #1a1d24 0%, #15171d 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      margin-bottom: 24px;
      position: relative;
    }
    .article-header-card h1 {
      font-size: 28px;
      font-weight: 800;
      color: #ffffff;
      line-height: 1.35;
      margin: 0 0 16px 0;
      letter-spacing: -0.5px;
    }
    .article-meta-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      font-size: 13px;
      color: var(--text-muted);
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 16px;
    }
    .article-meta-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .article-meta-item i {
      color: var(--brand-gold);
    }
    .badge-category {
      background: rgba(229, 46, 61, 0.15);
      color: var(--brand-red);
      padding: 2px 8px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 12px;
      border: 1px solid rgba(229, 46, 61, 0.3);
    }
    /* Highlights Box */
    .highlight-lead-box {
      background: rgba(229, 169, 60, 0.05);
      border-left: 4px solid var(--brand-gold);
      padding: 18px 20px;
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      margin-bottom: 28px;
    }
    .highlight-lead-box h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--brand-gold);
      margin: 0 0 8px 0;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .highlight-lead-box p {
      font-size: 14px;
      color: #cbd3e2;
      line-height: 1.7;
      margin: 0;
    }
    /* Main Content Typography */
    .article-body-content {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 32px;
      font-size: 15px;
      line-height: 1.8;
      color: var(--text-main);
      box-shadow: var(--shadow-tight);
    }
    .article-body-content h2 {
      font-size: 20px;
      font-weight: 700;
      color: #ffffff;
      margin: 32px 0 16px 0;
      padding-bottom: 8px;
      border-bottom: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .article-body-content h2::before {
      content: "";
      display: inline-block;
      width: 3px;
      height: 18px;
      background: var(--brand-red);
      border-radius: 2px;
    }
    .article-body-content h3 {
      font-size: 17px;
      font-weight: 600;
      color: #e5e9f2;
      margin: 24px 0 12px 0;
    }
    .article-body-content p {
      margin-bottom: 18px;
      color: #cfd5e3;
    }
    .article-body-content ul, 
    .article-body-content ol {
      margin: 0 0 20px 24px;
      padding: 0;
      color: #cfd5e3;
    }
    .article-body-content li {
      margin-bottom: 8px;
    }
    .article-body-content blockquote {
      margin: 20px 0;
      padding: 16px 20px;
      background: #14161c;
      border-left: 3px solid var(--brand-red);
      color: #adb6c8;
      font-style: normal;
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
    }
    .article-body-content table {
      width: 100%;
      border-collapse: collapse;
      margin: 24px 0;
      background: #15171e;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .article-body-content th, 
    .article-body-content td {
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      font-size: 14px;
      text-align: left;
    }
    .article-body-content th {
      background: #1c202a;
      color: #fff;
      font-weight: 600;
    }
    /* Side Specs Box */
    .spec-sidebar-panel {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 20px;
      margin-bottom: 24px;
    }
    .spec-sidebar-panel h3 {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .spec-param-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .spec-param-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 8px 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
      font-size: 13px;
    }
    .spec-param-item:last-child {
      border-bottom: none;
    }
    .spec-param-name {
      color: var(--text-muted);
    }
    .spec-param-val {
      color: #fff;
      font-weight: 600;
    }
    /* Author and Tech Badge */
    .author-seal-box {
      background: #14171d;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      display: flex;
      align-items: center;
      gap: 14px;
      margin-top: 24px;
    }
    .author-avatar-icon {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: rgba(229, 46, 61, 0.15);
      color: var(--brand-red);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      flex-shrink: 0;
    }
    /* Prev Next Nav */
    .post-prev-next-nav {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }
    .nav-card-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px 20px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      transition: all 0.2s ease;
    }
    .nav-card-item:hover {
      border-color: var(--brand-red);
      background: #1f232c;
    }
    .nav-card-label {
      font-size: 12px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 6px;
      margin-bottom: 6px;
    }
    .nav-card-title {
      font-size: 14px;
      font-weight: 600;
      color: #fff;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    /* Related Articles */
    .related-stream-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .related-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform 0.2s ease, border-color 0.2s ease;
    }
    .related-card:hover {
      transform: translateY(-3px);
      border-color: var(--brand-red);
    }
    .related-card h4 {
      font-size: 14px;
      font-weight: 700;
      color: #fff;
      line-height: 1.5;
      margin: 0 0 10px 0;
    }
    .related-card p {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 12px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .related-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 11px;
      color: #6c7385;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 8px;
    }
    /* Feedback Form */
    .feedback-panel-form {
      background: linear-gradient(180deg, #181b22 0%, #131418 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      margin-top: 32px;
    }
    .form-control-input {
      background: #111317;
      border: 1px solid var(--border-color);
      color: #fff;
      padding: 10px 14px;
      border-radius: var(--radius-md);
      font-size: 13px;
      width: 100%;
      margin-bottom: 12px;
      box-sizing: border-box;
    }
    .form-control-input:focus {
      border-color: var(--brand-red);
      outline: none;
    }
    /* Empty State */
    .empty-content-state {
      text-align: center;
      padding: 60px 20px;
      background: var(--bg-card);
      border: 1px dashed var(--border-color);
      border-radius: var(--radius-lg);
    }
    .empty-content-state i {
      font-size: 48px;
      color: var(--brand-red);
      margin-bottom: 16px;
    }
    .empty-content-state h3 {
      font-size: 20px;
      color: #fff;
      margin-bottom: 12px;
    }
    .empty-content-state p {
      color: var(--text-muted);
      font-size: 14px;
      margin-bottom: 24px;
    }
    /* Footer */
    .site-footer {
      background: #090a0c;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 24px 0;
      color: #a2a8b8;
      font-size: 13px;
      margin-top: 60px;
    }
    .footer-col h5 {
      font-size: 15px;
      color: #ffffff;
      font-weight: 700;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 8px;
    }
    .footer-links a {
      color: var(--text-muted);
    }
    .footer-links a:hover {
      color: var(--brand-red);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      margin-top: 36px;
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: #636b7d;
      flex-wrap: wrap;
      gap: 12px;
    }
    @media (max-width: 900px) {
      .top-bar-custom {
        flex-wrap: wrap;
      }
      .header-search {
        order: 3;
        max-width: 100%;
        width: 100%;
      }
      .post-prev-next-nav {
        grid-template-columns: 1fr;
      }
      .related-stream-grid {
        grid-template-columns: 1fr;
      }
      .article-header-card h1 {
        font-size: 22px;
      }
      .article-body-content {
        padding: 24px 18px;
      }
    }

/* roulang page: category1 */
:root {
      --bg-base: #121316;
      --bg-card: #1a1d24;
      --bg-card-alt: #222630;
      --brand-red: #e52e3d;
      --brand-red-hover: #ff3b4b;
      --brand-gold: #e5a93c;
      --border-color: #323846;
      --text-main: #d8dce6;
      --text-muted: #8c93a6;
      --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      --radius-sm: 4px;
      --radius-md: 6px;
      --radius-lg: 8px;
      --radius-pill: 24px;
      --shadow-tight: 0 4px 14px rgba(0, 0, 0, 0.35);
    }
    * {
      box-sizing: border-box;
    }
    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: var(--font-stack);
      line-height: 1.75;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
      margin: 0;
      padding: 0;
    }
    a {
      color: var(--text-main);
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover {
      color: var(--brand-red);
    }
    .grid-container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 16px;
      padding-right: 16px;
    }

    /* Top Navigation */
    .site-header {
      background: #0d0e11;
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .top-bar-custom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 0;
      gap: 16px;
    }
    .logo-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: #ffffff;
      letter-spacing: -0.5px;
      white-space: nowrap;
    }
    .logo-brand i {
      color: var(--brand-red);
      font-size: 22px;
    }
    .logo-tag {
      font-size: 11px;
      background: rgba(229, 46, 61, 0.15);
      color: var(--brand-red);
      padding: 2px 6px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(229, 46, 61, 0.3);
      font-weight: 600;
    }
    .header-search {
      flex: 1;
      max-width: 480px;
      position: relative;
    }
    .header-search input {
      width: 100%;
      background: #181b22;
      border: 1px solid var(--border-color);
      color: #fff;
      padding: 8px 16px 8px 36px;
      border-radius: var(--radius-pill);
      font-size: 13px;
      margin-bottom: 0;
      height: 38px;
      transition: border-color 0.2s ease;
    }
    .header-search input:focus {
      border-color: var(--brand-red);
      background: #1c2029;
      outline: none;
    }
    .header-search i {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 13px;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-nav-action {
      background: var(--brand-red);
      color: #fff;
      font-size: 13px;
      padding: 8px 16px;
      border-radius: var(--radius-md);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-nav-action:hover {
      background: var(--brand-red-hover);
      color: #fff;
      transform: translateY(-2px);
    }
    .channel-sub-bar {
      background: #15171e;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding: 8px 0;
      overflow-x: auto;
      white-space: nowrap;
      -webkit-overflow-scrolling: touch;
    }
    .channel-nav-list {
      display: inline-flex;
      gap: 8px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .channel-nav-item a {
      display: inline-block;
      padding: 5px 14px;
      font-size: 13px;
      color: var(--text-muted);
      background: rgba(255, 255, 255, 0.03);
      border-radius: var(--radius-pill);
      border: 1px solid transparent;
    }
    .channel-nav-item.active a,
    .channel-nav-item a:hover {
      color: #fff;
      background: rgba(229, 46, 61, 0.12);
      border-color: rgba(229, 46, 61, 0.4);
    }

    /* Section Global */
    .section-block {
      padding: 48px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .section-header {
      margin-bottom: 28px;
    }
    .section-title {
      font-size: 24px;
      font-weight: 800;
      color: #ffffff;
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 6px;
    }
    .section-title::before {
      content: "";
      display: inline-block;
      width: 4px;
      height: 22px;
      background: var(--brand-red);
      border-radius: 2px;
    }
    .section-subtitle {
      color: var(--text-muted);
      font-size: 14px;
      max-width: 860px;
      margin-top: 6px;
      line-height: 1.7;
    }

    /* Tech Card Base */
    .tech-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 22px;
      box-shadow: var(--shadow-tight);
      transition: transform 0.25s ease, border-color 0.25s ease;
      height: 100%;
    }
    .tech-card:hover {
      transform: translateY(-4px);
      border-color: rgba(229, 46, 61, 0.4);
    }

    /* 1. Category Breadcrumb & Header */
    .cat-hero-panel {
      padding: 36px 0 24px 0;
      background: linear-gradient(180deg, rgba(229, 46, 61, 0.06) 0%, transparent 100%);
      border-bottom: 1px solid var(--border-color);
    }
    .custom-breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 16px;
    }
    .custom-breadcrumb a {
      color: var(--text-muted);
    }
    .custom-breadcrumb a:hover {
      color: var(--brand-red);
    }
    .custom-breadcrumb .sep {
      color: #4a5160;
    }
    .cat-h1 {
      font-size: 28px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 12px;
      line-height: 1.3;
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }
    .badge-resolution {
      font-size: 12px;
      background: rgba(229, 169, 60, 0.15);
      color: var(--brand-gold);
      border: 1px solid rgba(229, 169, 60, 0.3);
      padding: 2px 8px;
      border-radius: var(--radius-sm);
      font-weight: 600;
    }
    .cat-summary-text {
      color: var(--text-main);
      font-size: 14px;
      line-height: 1.8;
      max-width: 960px;
    }

    /* 2. Multi-Dimensional Filter Bar */
    .filter-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px 20px;
      margin-top: 18px;
    }
    .filter-row {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 8px 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
      flex-wrap: wrap;
    }
    .filter-row:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .filter-label {
      font-size: 13px;
      color: var(--brand-gold);
      font-weight: 700;
      min-width: 72px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .filter-pills {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }
    .filter-pill {
      font-size: 12px;
      color: var(--text-muted);
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      background: #14171d;
      border: 1px solid #2d3340;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .filter-pill:hover,
    .filter-pill.active {
      color: #fff;
      background: var(--brand-red);
      border-color: var(--brand-red);
    }

    /* 3. Category Archive Grid & CMS List */
    .post-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .post-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 20px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.25s ease;
    }
    .post-card:hover {
      border-color: var(--brand-red);
      transform: translateY(-3px);
      box-shadow: 0 6px 18px rgba(229, 46, 61, 0.15);
    }
    .post-meta-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      margin-bottom: 12px;
    }
    .post-badge {
      background: rgba(229, 46, 61, 0.15);
      color: var(--brand-red);
      border: 1px solid rgba(229, 46, 61, 0.3);
      padding: 2px 8px;
      border-radius: var(--radius-sm);
      font-weight: 600;
    }
    .post-date {
      color: var(--text-muted);
    }
    .post-title {
      font-size: 17px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .post-title a {
      color: #fff;
    }
    .post-title a:hover {
      color: var(--brand-red);
    }
    .post-excerpt {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .post-footer-action {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 12px;
      font-size: 12px;
    }
    .post-more-btn {
      color: var(--brand-gold);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .post-more-btn:hover {
      color: #fff;
    }
    .empty-state-notice {
      background: var(--bg-card);
      border: 1px dashed var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      text-align: center;
      color: var(--text-muted);
      font-size: 14px;
      grid-column: 1 / -1;
    }

    /* 4. Standards Feature Cards */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .feature-item-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      position: relative;
    }
    .feature-icon-badge {
      width: 44px;
      height: 44px;
      background: rgba(229, 46, 61, 0.12);
      border: 1px solid rgba(229, 46, 61, 0.3);
      color: var(--brand-red);
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-md);
      font-size: 20px;
      margin-bottom: 16px;
    }
    .feature-item-box h4 {
      font-size: 17px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }
    .feature-item-box p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 0;
    }

    /* 5. Metrics Section */
    .metric-stats-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }
    .metric-stat-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
    }
    .stat-number {
      font-size: 28px;
      font-weight: 800;
      color: var(--brand-gold);
      margin-bottom: 4px;
      font-feature-settings: "tnum";
    }
    .stat-text {
      font-size: 13px;
      color: var(--text-main);
      font-weight: 600;
      margin-bottom: 4px;
    }
    .stat-sub {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 6. Tag Matrix */
    .tag-cluster {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .cluster-tag {
      background: #181b22;
      border: 1px solid var(--border-color);
      color: var(--text-main);
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      font-size: 13px;
      transition: all 0.2s ease;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .cluster-tag span {
      color: var(--brand-gold);
      font-size: 11px;
    }
    .cluster-tag:hover {
      border-color: var(--brand-red);
      color: #fff;
      background: rgba(229, 46, 61, 0.1);
    }

    /* 7. Category Technical Notes */
    .notes-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .note-card {
      background: var(--bg-card);
      border-left: 4px solid var(--brand-red);
      border-top: 1px solid var(--border-color);
      border-right: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
      padding: 22px;
    }
    .note-card h4 {
      font-size: 16px;
      color: #fff;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .note-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 0;
    }

    /* 8. Alert Subscribe Block */
    .sub-cta-box {
      background: radial-gradient(circle at 10% 50%, rgba(229, 46, 61, 0.12) 0%, transparent 60%), #171a22;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .sub-cta-info h3 {
      font-size: 20px;
      color: #fff;
      margin-bottom: 6px;
      font-weight: 700;
    }
    .sub-cta-info p {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 0;
    }
    .sub-cta-form {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 380px;
    }
    .sub-cta-input {
      background: #111317;
      border: 1px solid var(--border-color);
      color: #fff;
      padding: 10px 14px;
      border-radius: var(--radius-md);
      font-size: 13px;
      margin-bottom: 0;
      flex: 1;
      height: 42px;
    }
    .sub-cta-btn {
      background: var(--brand-red);
      color: #fff;
      font-weight: 700;
      padding: 0 20px;
      border-radius: var(--radius-md);
      border: none;
      height: 42px;
      font-size: 13px;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      white-space: nowrap;
      transition: background 0.2s ease;
    }
    .sub-cta-btn:hover {
      background: var(--brand-red-hover);
    }

    /* Footer Styles */
    .site-footer {
      background: #0b0c0e;
      border-top: 1px solid var(--border-color);
      padding: 50px 0 24px 0;
      color: var(--text-muted);
      font-size: 13px;
    }
    .footer-col h5 {
      font-size: 15px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 8px;
    }
    .footer-links a {
      color: var(--text-muted);
      font-size: 13px;
    }
    .footer-links a:hover {
      color: var(--brand-red);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      margin-top: 36px;
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 12px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .post-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .feature-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metric-stats-row {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .top-bar-custom {
        flex-direction: column;
        align-items: flex-start;
      }
      .header-search {
        max-width: 100%;
        width: 100%;
      }
      .post-grid,
      .feature-grid,
      .notes-grid {
        grid-template-columns: 1fr;
      }
      .sub-cta-box {
        flex-direction: column;
        align-items: flex-start;
      }
      .sub-cta-form {
        width: 100%;
        min-width: unset;
      }
      .cat-h1 {
        font-size: 22px;
      }
    }
    @media (max-width: 520px) {
      .metric-stats-row {
        grid-template-columns: 1fr;
      }
      .sub-cta-form {
        flex-direction: column;
      }
      .sub-cta-btn {
        width: 100%;
        justify-content: center;
      }
    }