/* roulang page: index */
:root {
      --bg-base: #070b19;
      --bg-surface: #0d1527;
      --bg-card: rgba(18, 28, 51, 0.65);
      --bg-card-hover: rgba(28, 43, 77, 0.85);
      --color-primary: #1e6fff;
      --color-cyan: #00f2fe;
      --color-accent: #ffb703;
      --color-highlight: #ff007a;
      --text-main: #f8fafc;
      --text-body: #94a3b8;
      --text-muted: #64748b;
      --border-glass: rgba(255, 255, 255, 0.08);
      --border-glow: rgba(0, 242, 254, 0.3);
      --glow-primary: 0 0 24px rgba(30, 111, 255, 0.35);
      --glow-cyan: 0 0 20px rgba(0, 242, 254, 0.3);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --container-max: 1200px;
      --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition-smooth);
    }
    ul, ol { list-style: none; }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }
    
    /* Header & Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(7, 11, 25, 0.85);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-glass);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.35rem;
      font-weight: 700;
      color: #fff;
      letter-spacing: -0.5px;
    }
    .brand-badge {
      font-size: 0.7rem;
      background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
      padding: 2px 8px;
      border-radius: 20px;
      color: #fff;
      font-weight: 600;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
    }
    .nav-link {
      font-size: 0.95rem;
      color: var(--text-body);
      font-weight: 500;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: #fff;
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--color-cyan);
      box-shadow: var(--glow-cyan);
      border-radius: 2px;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn-ghost {
      padding: 8px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-glass);
      color: var(--text-body);
      font-size: 0.88rem;
      background: rgba(255, 255, 255, 0.03);
    }
    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
      border-color: rgba(255, 255, 255, 0.2);
    }
    .btn-glow {
      padding: 9px 20px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--color-primary), #00c6ff);
      color: #fff;
      font-size: 0.88rem;
      font-weight: 600;
      box-shadow: var(--glow-primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border: none;
      cursor: pointer;
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 30px rgba(0, 198, 255, 0.5);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 1.5rem;
      cursor: pointer;
    }

    /* Content Section Common */
    .content-section {
      padding: 72px 0;
      position: relative;
      border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }
    .section-head {
      margin-bottom: 40px;
      max-width: 800px;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--color-cyan);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 10px;
      background: rgba(0, 242, 254, 0.1);
      padding: 4px 12px;
      border-radius: 30px;
      border: 1px solid rgba(0, 242, 254, 0.2);
    }
    .section-title {
      font-size: 2rem;
      font-weight: 700;
      color: #fff;
      letter-spacing: -0.5px;
      line-height: 1.3;
      margin-bottom: 14px;
    }
    .section-desc {
      font-size: 0.98rem;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* Glass Card Style */
    .glass-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      backdrop-filter: blur(16px);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition-smooth);
      position: relative;
      overflow: hidden;
    }
    .glass-card:hover {
      border-color: var(--border-glow);
      background: var(--bg-card-hover);
      transform: translateY(-3px);
    }

    /* 1. Hero Section (全宽浅深渐变顶栏 + 矮横幅) */
    .section-hero {
      padding: 56px 0 64px;
      background: radial-gradient(circle at 50% 20%, rgba(30, 111, 255, 0.18), transparent 70%), linear-gradient(180deg, #0d1527 0%, #070b19 100%);
      border-bottom: 1px solid var(--border-glass);
    }
    .hero-banner-wrap {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: center;
    }
    .hero-h1 {
      font-size: 2.5rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
      background: linear-gradient(135deg, #ffffff 40%, var(--color-cyan) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      font-size: 1.05rem;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 28px;
    }
    .hero-stats-row {
      display: flex;
      gap: 24px;
      margin-top: 24px;
      padding-top: 24px;
      border-top: 1px solid var(--border-glass);
    }
    .hero-stat-item h4 {
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--color-cyan);
    }
    .hero-stat-item p {
      font-size: 0.82rem;
      color: var(--text-muted);
    }
    .hero-visual-card {
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-glass);
      overflow: hidden;
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
      background: var(--bg-surface);
      position: relative;
    }
    .hero-visual-card img {
      width: 100%;
      height: 320px;
      object-fit: cover;
      opacity: 0.85;
      transition: transform 0.5s ease;
    }
    .hero-visual-card:hover img {
      transform: scale(1.04);
    }
    .hero-badge-overlay {
      position: absolute;
      bottom: 16px;
      left: 16px;
      right: 16px;
      background: rgba(7, 11, 25, 0.85);
      backdrop-filter: blur(12px);
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-glass);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
    }

    /* 2. 选片困境板块 */
    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .pain-card {
      background: rgba(18, 28, 51, 0.45);
      border-left: 3px solid var(--color-highlight);
    }
    .pain-card h3 {
      font-size: 1.15rem;
      margin-bottom: 10px;
      color: #fff;
    }
    .pain-card p {
      font-size: 0.88rem;
      color: var(--text-body);
      line-height: 1.6;
    }

    /* 3. 智能分发方案 */
    .grid-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .solution-feature-list {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .solution-item {
      display: flex;
      gap: 16px;
      align-items: flex-start;
    }
    .solution-icon-box {
      width: 44px;
      height: 44px;
      background: rgba(30, 111, 255, 0.15);
      border: 1px solid rgba(30, 111, 255, 0.3);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-cyan);
      font-weight: 700;
      flex-shrink: 0;
    }

    /* 4. 链路步骤 */
    .steps-container {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-box {
      position: relative;
      padding: 24px;
      border-radius: var(--radius-md);
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
    }
    .step-number {
      font-size: 1.8rem;
      font-weight: 800;
      color: rgba(0, 242, 254, 0.3);
      margin-bottom: 12px;
    }

    /* 5. 成果数据 */
    .metrics-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      background: linear-gradient(135deg, rgba(30, 111, 255, 0.1), rgba(0, 242, 254, 0.05));
      border: 1px solid rgba(0, 242, 254, 0.2);
      border-radius: var(--radius-lg);
      padding: 36px;
      text-align: center;
    }
    .metric-value {
      font-size: 2.4rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 6px;
    }
    .metric-label {
      font-size: 0.88rem;
      color: var(--text-body);
    }

    /* 6. 影迷口碑 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 18px;
    }
    .user-avatar-tag {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #fff;
    }

    /* 7. 适用人群 */
    .persona-card h3 {
      font-size: 1.2rem;
      margin-bottom: 8px;
      color: #fff;
    }
    .persona-specs {
      margin-top: 14px;
      font-size: 0.85rem;
      color: var(--color-cyan);
    }

    /* 8. CMS 资讯专区 */
    .cms-layout-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 32px;
    }
    .cms-card-link {
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .cms-thumb {
      height: 180px;
      border-radius: var(--radius-sm);
      overflow: hidden;
      margin-bottom: 16px;
      background: #111a33;
    }
    .cms-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }
    .cms-card-link:hover .cms-thumb img {
      transform: scale(1.05);
    }
    .cms-meta {
      font-size: 0.8rem;
      color: var(--color-cyan);
      margin-bottom: 8px;
      display: flex;
      justify-content: space-between;
    }
    .cms-post-title {
      font-size: 1.15rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .cms-post-excerpt {
      font-size: 0.88rem;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 14px;
      flex-grow: 1;
    }
    .cms-more-center {
      text-align: center;
      margin-top: 24px;
    }

    /* 9. 分类入口枢纽 */
    .category-hub-card {
      border: 1px solid var(--border-glass);
      padding: 32px;
      border-radius: var(--radius-md);
      background: radial-gradient(circle at top right, rgba(0, 242, 254, 0.1), rgba(18, 28, 51, 0.6));
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    /* 10. 硬核参数对比表格 */
    .table-container {
      overflow-x: auto;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-glass);
      background: var(--bg-card);
    }
    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }
    .comparison-table th, .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .comparison-table th {
      background: rgba(255, 255, 255, 0.03);
      color: #fff;
    }
    .comparison-table tr:last-child td {
      border-bottom: none;
    }
    .highlight-cell {
      color: var(--color-cyan);
      font-weight: 600;
    }

    /* 11. 测片交互板 */
    .quiz-panel {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      background: var(--bg-surface);
      padding: 32px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-glass);
    }
    .quiz-option {
      border: 1px dashed rgba(255, 255, 255, 0.15);
      padding: 20px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .quiz-option:hover {
      border-color: var(--color-cyan);
      background: rgba(0, 242, 254, 0.05);
    }

    /* 12. FAQ */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-sm);
      padding: 20px 24px;
    }
    .faq-question {
      font-size: 1.05rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 8px;
    }
    .faq-answer {
      font-size: 0.9rem;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 13. 系统部署架构 */
    .arch-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    /* 14. 最终收口 CTA */
    .section-final-cta {
      padding: 80px 0;
      background: radial-gradient(circle at 50% 50%, rgba(30, 111, 255, 0.25), transparent 75%), var(--bg-surface);
      text-align: center;
      border-top: 1px solid var(--border-glass);
    }
    .cta-form-wrap {
      max-width: 580px;
      margin: 32px auto 0;
      display: flex;
      gap: 12px;
    }
    .cta-input {
      flex: 1;
      padding: 14px 20px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-glass);
      background: rgba(7, 11, 25, 0.7);
      color: #fff;
      outline: none;
      font-size: 0.95rem;
    }
    .cta-input:focus {
      border-color: var(--color-cyan);
      box-shadow: var(--glow-cyan);
    }

    /* Footer */
    .site-footer {
      background: #040711;
      padding: 60px 0 32px;
      border-top: 1px solid var(--border-glass);
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      color: #fff;
      font-size: 1.25rem;
      margin-bottom: 12px;
    }
    .footer-col h5 {
      color: #fff;
      font-size: 0.95rem;
      margin-bottom: 16px;
    }
    .footer-col ul {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-col a:hover {
      color: var(--color-cyan);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8rem;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .grid-4, .steps-container { grid-template-columns: repeat(2, 1fr); }
      .metrics-bar { grid-template-columns: repeat(2, 1fr); }
      .cms-layout-grid { grid-template-columns: repeat(2, 1fr); }
      .arch-grid { grid-template-columns: repeat(2, 1fr); }
      .hero-banner-wrap { grid-template-columns: 1fr; }
      .footer-top-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .nav-links, .nav-actions .btn-ghost { display: none; }
      .menu-toggle { display: block; }
      .grid-4, .grid-3, .grid-2, .steps-container, .cms-layout-grid, .quiz-panel, .arch-grid { grid-template-columns: 1fr; }
      .metrics-bar { grid-template-columns: 1fr; }
      .hero-h1 { font-size: 2rem; }
      .cta-form-wrap { flex-direction: column; }
      .category-hub-card { flex-direction: column; gap: 20px; align-items: flex-start; }
      .footer-top-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    }

/* roulang page: category1 */
:root {
      --bg-base: #070b19;
      --bg-surface: #0d1527;
      --bg-card: rgba(18, 28, 51, 0.65);
      --bg-card-hover: rgba(28, 43, 77, 0.85);
      --color-primary: #1e6fff;
      --color-cyan: #00f2fe;
      --color-accent: #ffb703;
      --color-highlight: #ff007a;
      --text-main: #f8fafc;
      --text-body: #94a3b8;
      --text-muted: #64748b;
      --border-glass: rgba(255, 255, 255, 0.08);
      --border-glow: rgba(0, 242, 254, 0.3);
      --glow-primary: 0 0 24px rgba(30, 111, 255, 0.35);
      --glow-cyan: 0 0 20px rgba(0, 242, 254, 0.3);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --container-max: 1200px;
      --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition-smooth);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Header & Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(7, 11, 25, 0.85);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-glass);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.35rem;
      font-weight: 700;
      color: #fff;
      letter-spacing: -0.5px;
    }
    .brand-badge {
      font-size: 0.7rem;
      background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
      padding: 2px 8px;
      border-radius: 20px;
      color: #fff;
      font-weight: 600;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
    }
    .nav-link {
      font-size: 0.95rem;
      color: var(--text-body);
      font-weight: 500;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: #fff;
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--color-cyan);
      box-shadow: var(--glow-cyan);
      border-radius: 2px;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn-ghost {
      padding: 8px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-glass);
      color: var(--text-body);
      font-size: 0.88rem;
      background: rgba(255, 255, 255, 0.03);
    }
    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
      border-color: rgba(255, 255, 255, 0.2);
    }
    .btn-glow {
      padding: 9px 20px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--color-primary), #00c6ff);
      color: #fff;
      font-size: 0.88rem;
      font-weight: 600;
      box-shadow: var(--glow-primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border: none;
      cursor: pointer;
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 30px rgba(0, 198, 255, 0.5);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 1.5rem;
      cursor: pointer;
    }

    /* Common Layout & Components */
    .content-section {
      padding: 64px 0;
      position: relative;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    .section-head {
      margin-bottom: 36px;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--color-cyan);
      letter-spacing: 1px;
      margin-bottom: 10px;
      background: rgba(0, 242, 254, 0.1);
      padding: 4px 12px;
      border-radius: 30px;
      border: 1px solid rgba(0, 242, 254, 0.2);
    }
    .section-title {
      font-size: 1.85rem;
      font-weight: 700;
      color: #fff;
      letter-spacing: -0.5px;
      line-height: 1.35;
      margin-bottom: 12px;
    }
    .section-desc {
      font-size: 0.96rem;
      color: var(--text-body);
      line-height: 1.7;
      max-width: 820px;
    }
    .glass-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      backdrop-filter: blur(16px);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition-smooth);
      position: relative;
    }
    .glass-card:hover {
      border-color: var(--border-glow);
      background: var(--bg-card-hover);
      transform: translateY(-3px);
    }

    /* Section 1: Masthead Banner */
    .category-masthead {
      padding: 48px 0 36px;
      background: radial-gradient(circle at 50% 0%, rgba(30, 111, 255, 0.15), transparent 70%), linear-gradient(180deg, #0d1527 0%, #070b19 100%);
      border-bottom: 1px solid var(--border-glass);
    }
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 16px;
    }
    .breadcrumb a:hover {
      color: var(--color-cyan);
    }
    .cat-h1 {
      font-size: 2.3rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
      background: linear-gradient(135deg, #ffffff 40%, var(--color-cyan) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .cat-lead {
      font-size: 1.02rem;
      color: var(--text-body);
      max-width: 860px;
      line-height: 1.75;
    }
    .masthead-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      margin-top: 24px;
      padding-top: 20px;
      border-top: 1px solid var(--border-glass);
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .masthead-meta span {
      display: flex;
      align-items: center;
      gap: 6px;
      color: var(--text-body);
    }
    .masthead-meta strong {
      color: var(--color-cyan);
      font-weight: 600;
    }

    /* Section 2: Filter Matrix */
    .filter-panel {
      display: flex;
      flex-direction: column;
      gap: 16px;
      background: rgba(13, 21, 39, 0.7);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-md);
      padding: 20px 24px;
    }
    .filter-group {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .filter-label {
      font-size: 0.85rem;
      color: var(--text-muted);
      width: 76px;
      flex-shrink: 0;
    }
    .filter-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .pill {
      font-size: 0.82rem;
      padding: 5px 14px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-glass);
      color: var(--text-body);
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .pill:hover, .pill.active {
      background: rgba(0, 242, 254, 0.15);
      border-color: var(--color-cyan);
      color: #fff;
    }

    /* Section 3: CMS Content List */
    .article-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .article-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition-smooth);
    }
    .article-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-glow);
      box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
    }
    .card-thumb {
      position: relative;
      width: 100%;
      height: 190px;
      overflow: hidden;
      background: #09101f;
    }
    .card-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .article-card:hover .card-thumb img {
      transform: scale(1.05);
    }
    .card-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(7, 11, 25, 0.85);
      border: 1px solid var(--border-glass);
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 4px;
      color: var(--color-cyan);
      backdrop-filter: blur(8px);
    }
    .card-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .card-title {
      font-size: 1.1rem;
      font-weight: 600;
      color: #fff;
      line-height: 1.45;
      margin-bottom: 10px;
    }
    .card-title:hover {
      color: var(--color-cyan);
    }
    .card-excerpt {
      font-size: 0.86rem;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .card-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid var(--border-glass);
      padding-top: 12px;
      font-size: 0.8rem;
      color: var(--text-muted);
    }
    .empty-state {
      text-align: center;
      padding: 60px 20px;
      background: var(--bg-card);
      border: 1px dashed var(--border-glass);
      border-radius: var(--radius-md);
      color: var(--text-muted);
    }

    /* Section 4: Spotlight Box */
    .spotlight-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 32px;
      align-items: center;
    }
    .spotlight-info h3 {
      font-size: 1.5rem;
      color: #fff;
      margin-bottom: 14px;
    }
    .spotlight-info p {
      font-size: 0.94rem;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 20px;
    }
    .spec-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 24px;
    }
    .spec-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(30, 111, 255, 0.12);
      border: 1px solid rgba(30, 111, 255, 0.3);
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.78rem;
      color: #cbd5e1;
    }
    .spotlight-img {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-glass);
      box-shadow: 0 16px 36px rgba(0,0,0,0.5);
    }

    /* Section 5: GEO Trend Radar */
    .radar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .radar-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-md);
      padding: 22px;
      position: relative;
    }
    .radar-region {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .radar-index {
      font-size: 0.75rem;
      color: var(--color-accent);
      background: rgba(255, 183, 3, 0.1);
      padding: 2px 6px;
      border-radius: 4px;
    }
    .radar-tagline {
      font-size: 0.82rem;
      color: var(--color-cyan);
      margin-bottom: 12px;
    }
    .radar-list {
      list-style: none;
      font-size: 0.84rem;
      color: var(--text-body);
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .radar-list li {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
      padding-bottom: 4px;
    }

    /* Section 6: Audiovisual Guide Cards */
    .guide-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .guide-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .guide-step {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #fff;
      font-size: 0.85rem;
    }
    .guide-title {
      font-size: 1.1rem;
      color: #fff;
      font-weight: 600;
    }
    .guide-desc {
      font-size: 0.88rem;
      color: var(--text-body);
      line-height: 1.65;
    }

    /* Section 7: Subscription Bar */
    .sub-box {
      background: radial-gradient(circle at 50% 50%, rgba(30, 111, 255, 0.12), transparent 80%), rgba(13, 21, 39, 0.8);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 44px;
      text-align: center;
      max-width: 860px;
      margin: 0 auto;
    }
    .sub-form {
      display: flex;
      max-width: 520px;
      margin: 24px auto 12px;
      gap: 10px;
    }
    .sub-input {
      flex: 1;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-glass);
      background: rgba(7, 11, 25, 0.8);
      color: #fff;
      font-size: 0.9rem;
      outline: none;
    }
    .sub-input:focus {
      border-color: var(--color-cyan);
    }
    .sub-note {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* Footer */
    .site-footer {
      background: #040711;
      border-top: 1px solid var(--border-glass);
      padding: 60px 0 30px;
      margin-top: 60px;
    }
    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand h4 {
      font-size: 1.3rem;
      color: #fff;
      margin-bottom: 14px;
    }
    .footer-col h5 {
      font-size: 0.95rem;
      color: #fff;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }
    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-col a {
      font-size: 0.85rem;
      color: var(--text-body);
    }
    .footer-col a:hover {
      color: var(--color-cyan);
    }
    .footer-bottom {
      border-top: 1px solid var(--border-glass);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .article-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .radar-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .spotlight-grid {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: rgba(7, 11, 25, 0.98);
        border-bottom: 1px solid var(--border-glass);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
      }
      .nav-links.open {
        display: flex;
      }
      .nav-actions .btn-ghost {
        display: none;
      }
      .article-grid, .guide-grid {
        grid-template-columns: 1fr;
      }
      .radar-grid {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .sub-form {
        flex-direction: column;
      }
      .cat-h1 {
        font-size: 1.8rem;
      }
    }

/* roulang page: article */
:root {
      --bg-base: #070b19;
      --bg-surface: #0d1527;
      --bg-card: rgba(18, 28, 51, 0.65);
      --bg-card-hover: rgba(28, 43, 77, 0.85);
      --color-primary: #1e6fff;
      --color-cyan: #00f2fe;
      --color-accent: #ffb703;
      --color-highlight: #ff007a;
      --text-main: #f8fafc;
      --text-body: #94a3b8;
      --text-muted: #64748b;
      --border-glass: rgba(255, 255, 255, 0.08);
      --border-glow: rgba(0, 242, 254, 0.3);
      --glow-primary: 0 0 24px rgba(30, 111, 255, 0.35);
      --glow-cyan: 0 0 20px rgba(0, 242, 254, 0.3);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --container-max: 1200px;
      --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition-smooth);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }
    /* Header & Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(7, 11, 25, 0.85);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-glass);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.35rem;
      font-weight: 700;
      color: #fff;
      letter-spacing: -0.5px;
    }
    .brand-badge {
      font-size: 0.7rem;
      background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
      padding: 2px 8px;
      border-radius: 20px;
      color: #fff;
      font-weight: 600;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
    }
    .nav-link {
      font-size: 0.95rem;
      color: var(--text-body);
      font-weight: 500;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: #fff;
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--color-cyan);
      box-shadow: var(--glow-cyan);
      border-radius: 2px;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn-ghost {
      padding: 8px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-glass);
      color: var(--text-body);
      font-size: 0.88rem;
      background: rgba(255, 255, 255, 0.03);
    }
    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
      border-color: rgba(255, 255, 255, 0.2);
    }
    .btn-glow {
      padding: 9px 20px;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, var(--color-primary), #00c6ff);
      color: #fff;
      font-size: 0.88rem;
      font-weight: 600;
      box-shadow: var(--glow-primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border: none;
      cursor: pointer;
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 30px rgba(0, 198, 255, 0.5);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 1.5rem;
      cursor: pointer;
    }
    /* Breadcrumb & Article Header */
    .article-hero {
      padding: 44px 0 36px;
      background: radial-gradient(circle at 50% 0%, rgba(30, 111, 255, 0.15), transparent 75%);
      border-bottom: 1px solid var(--border-glass);
    }
    .breadcrumb-row {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .breadcrumb-row a:hover {
      color: var(--color-cyan);
    }
    .article-h1 {
      font-size: 2.3rem;
      font-weight: 800;
      line-height: 1.35;
      margin-bottom: 20px;
      color: #fff;
      letter-spacing: -0.5px;
    }
    .article-meta-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 20px;
      font-size: 0.88rem;
      color: var(--text-muted);
      padding-bottom: 24px;
    }
    .meta-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(0, 242, 254, 0.1);
      color: var(--color-cyan);
      padding: 4px 12px;
      border-radius: 20px;
      border: 1px solid rgba(0, 242, 254, 0.25);
      font-size: 0.8rem;
    }
    /* Article Layout Grid */
    .article-layout {
      display: grid;
      grid-template-columns: 1fr 340px;
      gap: 40px;
      padding: 48px 0;
    }
    .article-main {
      min-width: 0;
    }
    /* Trial / Application Banner (版式蓝图硬性) */
    .trial-strip {
      background: linear-gradient(135deg, rgba(30, 111, 255, 0.2), rgba(0, 242, 254, 0.12));
      border: 1px solid rgba(0, 242, 254, 0.25);
      border-radius: var(--radius-md);
      padding: 24px 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 40px;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    }
    .trial-info h4 {
      font-size: 1.15rem;
      color: #fff;
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .trial-info p {
      font-size: 0.88rem;
      color: var(--text-body);
      line-height: 1.5;
    }
    /* Content Typography */
    .article-content {
      color: #cbd5e1;
      font-size: 1.05rem;
      line-height: 1.85;
      letter-spacing: 0.2px;
    }
    .article-content p {
      margin-bottom: 24px;
    }
    .article-content h2 {
      font-size: 1.55rem;
      color: #fff;
      margin: 40px 0 18px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--border-glass);
      position: relative;
    }
    .article-content h2::after {
      content: '';
      position: absolute;
      bottom: -1px;
      left: 0;
      width: 60px;
      height: 2px;
      background: var(--color-cyan);
    }
    .article-content h3 {
      font-size: 1.25rem;
      color: #e2e8f0;
      margin: 28px 0 14px;
    }
    .article-content blockquote {
      margin: 28px 0;
      padding: 20px 24px;
      background: rgba(30, 111, 255, 0.08);
      border-left: 4px solid var(--color-cyan);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      color: #cbd5e1;
      font-style: normal;
    }
    .article-content img {
      border-radius: var(--radius-md);
      border: 1px solid var(--border-glass);
      margin: 28px 0;
    }
    .article-content ul, .article-content ol {
      padding-left: 24px;
      margin-bottom: 24px;
    }
    .article-content li {
      margin-bottom: 8px;
    }
    /* Takeaways & Benchmarks */
    .glass-box {
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      backdrop-filter: blur(16px);
      border-radius: var(--radius-md);
      padding: 24px;
      margin: 36px 0;
    }
    .glass-box-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .points-list {
      list-style: none;
      padding: 0;
      display: grid;
      gap: 12px;
    }
    .points-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.6;
    }
    .points-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-cyan);
      margin-top: 8px;
      flex-shrink: 0;
      box-shadow: 0 0 8px var(--color-cyan);
    }
    /* Parameters Table */
    .spec-table-wrap {
      overflow-x: auto;
      margin: 32px 0;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-glass);
    }
    .spec-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }
    .spec-table th {
      background: rgba(30, 111, 255, 0.15);
      color: #fff;
      padding: 14px 18px;
      font-weight: 600;
      border-bottom: 1px solid var(--border-glass);
    }
    .spec-table td {
      padding: 14px 18px;
      color: var(--text-body);
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      background: rgba(13, 21, 39, 0.5);
    }
    .spec-table tr:last-child td {
      border-bottom: none;
    }
    /* Bottom Engagement Bar */
    .engagement-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      padding: 24px;
      background: rgba(18, 28, 51, 0.45);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-md);
      margin-top: 48px;
    }
    .tags-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .tag-chip {
      font-size: 0.82rem;
      color: var(--text-body);
      background: rgba(255, 255, 255, 0.05);
      padding: 4px 12px;
      border-radius: 20px;
      border: 1px solid var(--border-glass);
    }
    /* Sidebar Widgets */
    .sidebar-widget {
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 28px;
      backdrop-filter: blur(16px);
    }
    .widget-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
      position: relative;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--border-glass);
    }
    .widget-title::after {
      content: '';
      position: absolute;
      bottom: -1px;
      left: 0;
      width: 40px;
      height: 2px;
      background: var(--color-cyan);
    }
    .curator-card {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }
    .curator-avatar {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #fff;
      font-size: 1.2rem;
    }
    .curator-info h5 {
      font-size: 1rem;
      color: #fff;
      margin-bottom: 4px;
    }
    .curator-info p {
      font-size: 0.8rem;
      color: var(--color-cyan);
    }
    .side-list {
      list-style: none;
      display: grid;
      gap: 14px;
    }
    .side-list li a {
      display: block;
      font-size: 0.88rem;
      color: var(--text-body);
      line-height: 1.5;
    }
    .side-list li a:hover {
      color: var(--color-cyan);
    }
    /* Related Section */
    .related-section {
      padding: 64px 0;
      border-top: 1px solid var(--border-glass);
      background: rgba(13, 21, 39, 0.4);
    }
    .related-head {
      margin-bottom: 32px;
    }
    .related-head h3 {
      font-size: 1.6rem;
      color: #fff;
      margin-bottom: 8px;
    }
    .related-head p {
      color: var(--text-body);
      font-size: 0.92rem;
    }
    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .related-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition-smooth);
      display: flex;
      flex-direction: column;
    }
    .related-card:hover {
      border-color: var(--border-glow);
      transform: translateY(-4px);
    }
    .related-thumb {
      height: 180px;
      overflow: hidden;
      position: relative;
    }
    .related-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .related-card:hover .related-thumb img {
      transform: scale(1.05);
    }
    .related-body {
      padding: 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .related-body h4 {
      font-size: 1.05rem;
      color: #fff;
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .related-body p {
      font-size: 0.85rem;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 14px;
    }
    /* Bottom CTA / Action Bar */
    .download-strip {
      background: radial-gradient(circle at 50% 50%, rgba(30, 111, 255, 0.25), rgba(7, 11, 25, 0.95)), var(--bg-surface);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-lg);
      padding: 44px;
      margin: 60px 0 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
    }
    .download-content h3 {
      font-size: 1.6rem;
      color: #fff;
      margin-bottom: 10px;
    }
    .download-content p {
      color: var(--text-body);
      font-size: 0.95rem;
      max-width: 620px;
      line-height: 1.7;
    }
    .download-actions {
      display: flex;
      gap: 16px;
      flex-shrink: 0;
    }
    /* Empty State */
    .empty-state {
      padding: 80px 20px;
      text-align: center;
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-glass);
      margin: 40px 0;
    }
    .empty-state h2 {
      font-size: 1.8rem;
      color: #fff;
      margin-bottom: 14px;
    }
    .empty-state p {
      color: var(--text-body);
      margin-bottom: 24px;
    }
    /* Footer */
    .site-footer {
      background: #040711;
      border-top: 1px solid var(--border-glass);
      padding: 64px 0 32px;
      margin-top: 60px;
    }
    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      font-size: 1.35rem;
      color: #fff;
      margin-bottom: 16px;
      font-weight: 700;
    }
    .footer-brand p {
      font-size: 0.88rem;
      color: var(--text-body);
      max-width: 380px;
    }
    .footer-col h5 {
      font-size: 0.95rem;
      color: #fff;
      margin-bottom: 18px;
      font-weight: 600;
      letter-spacing: 0.5px;
    }
    .footer-col ul {
      list-style: none;
      display: grid;
      gap: 10px;
    }
    .footer-col a {
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .footer-col a:hover {
      color: var(--color-cyan);
    }
    .footer-bottom {
      padding-top: 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: var(--text-muted);
      flex-wrap: wrap;
      gap: 16px;
    }
    /* Responsive Breakpoints */
    @media (max-width: 1024px) {
      .article-layout {
        grid-template-columns: 1fr;
      }
      .related-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
      .download-strip {
        flex-direction: column;
        align-items: flex-start;
      }
    }
    @media (max-width: 768px) {
      .nav-links, .nav-actions .btn-ghost {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .article-h1 {
        font-size: 1.75rem;
      }
      .related-grid {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .trial-strip {
        flex-direction: column;
        align-items: flex-start;
      }
    }