/* roulang page: index */
:root {
      --bg-base: #070d1e;
      --bg-surface: #0f1c3f;
      --bg-surface-elevated: #152554;
      --accent-gold: #f5b041;
      --accent-gold-glow: rgba(245, 176, 65, 0.45);
      --badge-silver: #d5dbdb;
      --badge-bronze: #dc7633;
      --neon-blue: #2980b9;
      --neon-cyan: #00d2d3;
      --text-primary: #f8f9fa;
      --text-secondary: #aeb6bf;
      --text-muted: #627282;
      --border-subtle: rgba(245, 176, 65, 0.16);
      --border-glass: rgba(255, 255, 255, 0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-full: 999px;
      --section-pad: 84px 0;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      background-color: var(--bg-base);
      color: var(--text-primary);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.68;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a { color: inherit; text-decoration: none; transition: all 0.3s ease; }
    a:hover { color: var(--accent-gold); }
    img { max-width: 100%; height: auto; display: block; }
    ul { list-style: none; margin: 0; padding: 0; }

    .site-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(7, 13, 30, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-subtle);
      padding: 16px 0;
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: 0.5px;
      color: #ffffff;
    }
    .site-logo i { color: var(--accent-gold); text-shadow: 0 0 10px var(--accent-gold-glow); }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .nav-links a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-secondary);
      position: relative;
      padding: 6px 0;
    }
    .nav-links a.active, .nav-links a:hover {
      color: #ffffff;
    }
    .nav-links a.active::after, .nav-links a:hover::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent-gold);
      box-shadow: 0 0 8px var(--accent-gold);
    }
    .btn-gold {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, #f5b041 0%, #e67e22 100%);
      color: #070d1e !important;
      font-weight: 700;
      font-size: 0.95rem;
      padding: 12px 26px;
      border-radius: var(--radius-full);
      box-shadow: 0 0 20px var(--accent-gold-glow);
      border: none;
      cursor: pointer;
    }
    .btn-gold:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 28px rgba(245, 176, 65, 0.65);
      color: #000000 !important;
    }
    .btn-glass {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: rgba(15, 28, 63, 0.6);
      color: var(--text-primary) !important;
      font-weight: 600;
      font-size: 0.95rem;
      padding: 12px 26px;
      border-radius: var(--radius-full);
      border: 1px solid rgba(245, 176, 65, 0.35);
      backdrop-filter: blur(8px);
    }
    .btn-glass:hover {
      background: rgba(245, 176, 65, 0.15);
      border-color: var(--accent-gold);
      transform: translateY(-2px);
    }

    .main-section {
      padding: var(--section-pad);
      position: relative;
    }
    .sec-alt {
      background: #0b142d;
    }
    .section-header {
      text-align: center;
      margin-bottom: 52px;
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(245, 176, 65, 0.1);
      border: 1px solid rgba(245, 176, 65, 0.28);
      color: var(--accent-gold);
      font-size: 0.8rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: var(--radius-full);
      margin-bottom: 14px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 14px;
      letter-spacing: -0.3px;
    }
    .section-desc {
      color: var(--text-secondary);
      max-width: 760px;
      margin: 0 auto;
      font-size: 1rem;
      line-height: 1.8;
    }

    .glass-card {
      background: rgba(15, 28, 63, 0.65);
      border: 1px solid var(--border-glass);
      backdrop-filter: blur(12px);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: all 0.35s ease;
      height: 100%;
      position: relative;
      overflow: hidden;
    }
    .glass-card:hover {
      border-color: rgba(245, 176, 65, 0.4);
      transform: translateY(-5px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
    }

    .hero-banner {
      position: relative;
      min-height: 640px;
      padding: 100px 0 80px;
      display: flex;
      align-items: center;
      background-size: cover;
      background-position: center;
      border-bottom: 1px solid var(--border-subtle);
    }
    .hero-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 75% 30%, rgba(245, 176, 65, 0.12), transparent 50%),
                  linear-gradient(180deg, rgba(7, 13, 30, 0.85) 0%, #070d1e 100%);
    }
    .hero-content {
      position: relative;
      z-index: 2;
    }
    .hero-title {
      font-size: 2.7rem;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 22px;
      background: linear-gradient(180deg, #ffffff 30%, #d5dbdb 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      color: var(--text-secondary);
      font-size: 1.05rem;
      line-height: 1.85;
      margin-bottom: 34px;
      max-width: 660px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }

    .pain-card {
      border-left: 3px solid #e74c3c;
    }
    .pain-card i {
      font-size: 1.8rem;
      color: #e74c3c;
      margin-bottom: 16px;
    }
    .pain-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: #ffffff;
    }

    .podium-card {
      padding: 34px 26px;
      text-align: center;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .podium-gold {
      border: 1px solid var(--accent-gold);
      box-shadow: inset 0 0 20px rgba(245, 176, 65, 0.22), 0 0 25px rgba(245, 176, 65, 0.15);
    }
    .podium-silver {
      border: 1px solid var(--badge-silver);
      box-shadow: inset 0 0 15px rgba(213, 219, 219, 0.15);
    }
    .podium-bronze {
      border: 1px solid var(--badge-bronze);
      box-shadow: inset 0 0 15px rgba(220, 118, 51, 0.15);
    }
    .medal-icon {
      width: 60px;
      height: 60px;
      line-height: 60px;
      border-radius: 50%;
      margin: 0 auto 18px;
      font-size: 1.8rem;
      font-weight: 900;
    }
    .medal-icon-gold { background: rgba(245, 176, 65, 0.2); color: var(--accent-gold); border: 2px solid var(--accent-gold); }
    .medal-icon-silver { background: rgba(213, 219, 219, 0.2); color: var(--badge-silver); border: 2px solid var(--badge-silver); }
    .medal-icon-bronze { background: rgba(220, 118, 51, 0.2); color: var(--badge-bronze); border: 2px solid var(--badge-bronze); }
    .podium-score {
      font-size: 2.2rem;
      font-weight: 800;
      color: #ffffff;
      margin: 12px 0 6px;
    }
    .podium-stars {
      color: var(--accent-gold);
      margin-bottom: 16px;
      font-size: 0.9rem;
    }
    .podium-specs {
      text-align: left;
      margin: 18px 0;
      border-top: 1px dashed rgba(255, 255, 255, 0.12);
      border-bottom: 1px dashed rgba(255, 255, 255, 0.12);
      padding: 14px 0;
      font-size: 0.88rem;
      color: var(--text-secondary);
    }
    .podium-specs li { margin-bottom: 8px; display: flex; justify-content: space-between; }
    .podium-specs li span { color: #ffffff; font-weight: 600; }

    .step-box {
      position: relative;
      padding: 30px 22px;
    }
    .step-number {
      font-size: 2.5rem;
      font-weight: 900;
      color: rgba(245, 176, 65, 0.25);
      position: absolute;
      top: 16px;
      right: 20px;
      line-height: 1;
    }

    .stat-card {
      text-align: center;
      padding: 36px 20px;
    }
    .stat-value {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--accent-gold);
      line-height: 1.1;
      margin-bottom: 8px;
      text-shadow: 0 0 15px var(--accent-gold-glow);
    }
    .stat-label {
      font-size: 0.95rem;
      color: var(--text-secondary);
      font-weight: 600;
    }

    .table-custom {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      background: rgba(15, 28, 63, 0.6);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-subtle);
    }
    .table-custom th, .table-custom td {
      padding: 18px 22px;
      text-align: left;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .table-custom th {
      background: rgba(245, 176, 65, 0.08);
      color: #ffffff;
      font-weight: 700;
      font-size: 0.95rem;
    }
    .table-custom tr:hover td {
      background: rgba(255, 255, 255, 0.03);
    }

    .cms-card {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
    }
    .cms-badge {
      display: inline-block;
      align-self: flex-start;
      background: rgba(0, 210, 211, 0.15);
      color: var(--neon-cyan);
      font-size: 0.75rem;
      font-weight: 600;
      padding: 2px 10px;
      border-radius: var(--radius-full);
      margin-bottom: 12px;
    }
    .cms-card-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .cms-card-desc {
      font-size: 0.88rem;
      color: var(--text-secondary);
      margin-bottom: 16px;
      line-height: 1.6;
    }
    .cms-card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8rem;
      color: var(--text-muted);
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 12px;
      margin-top: auto;
    }

    .cta-card-full {
      background: linear-gradient(135deg, rgba(15, 28, 63, 0.9) 0%, rgba(35, 60, 130, 0.75) 100%);
      border: 1px solid var(--accent-gold);
      box-shadow: 0 0 35px rgba(245, 176, 65, 0.15);
      border-radius: var(--radius-md);
      padding: 56px 40px;
      text-align: center;
    }

    .site-footer {
      background: #040813;
      border-top: 1px solid var(--border-glass);
      padding: 64px 0 30px;
      font-size: 0.9rem;
      color: var(--text-muted);
    }
    .footer-col-title {
      font-size: 1.05rem;
      color: #ffffff;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--text-secondary);
    }
    .footer-links a:hover {
      color: var(--accent-gold);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      margin-top: 48px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }

    @media (max-width: 639px) {
      .hero-title { font-size: 1.85rem; }
      .section-title { font-size: 1.6rem; }
      .main-section { padding: 48px 0; }
      .nav-links { display: none; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }

/* roulang page: article */
:root {
      --bg-base: #070d1e;
      --bg-surface: #0f1c3f;
      --bg-surface-elevated: #152554;
      --accent-gold: #f5b041;
      --accent-gold-glow: rgba(245, 176, 65, 0.45);
      --badge-silver: #d5dbdb;
      --badge-bronze: #dc7633;
      --neon-blue: #2980b9;
      --neon-cyan: #00d2d3;
      --text-primary: #f8f9fa;
      --text-secondary: #aeb6bf;
      --text-muted: #627282;
      --border-subtle: rgba(245, 176, 65, 0.16);
      --border-glass: rgba(255, 255, 255, 0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-full: 999px;
      --section-pad: 72px 0;
    }
    body {
      background-color: var(--bg-base);
      color: var(--text-primary);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.75;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: all 0.3s ease; }
    a:hover { color: var(--accent-gold); }
    img { max-width: 100%; height: auto; display: block; }
    .site-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(7, 13, 30, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-subtle);
      padding: 16px 0;
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: 0.5px;
      color: #ffffff;
    }
    .site-logo i { color: var(--accent-gold); text-shadow: 0 0 10px var(--accent-gold-glow); }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .nav-links a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-secondary);
      position: relative;
      padding: 6px 0;
    }
    .nav-links a.active, .nav-links a:hover {
      color: #ffffff;
    }
    .nav-links a.active::after, .nav-links a:hover::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent-gold);
      box-shadow: 0 0 8px var(--accent-gold);
    }
    .btn-gold {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, #f5b041 0%, #e67e22 100%);
      color: #070d1e !important;
      font-weight: 700;
      font-size: 0.95rem;
      padding: 12px 26px;
      border-radius: var(--radius-full);
      box-shadow: 0 0 20px var(--accent-gold-glow);
      border: none;
      cursor: pointer;
    }
    .btn-gold:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 28px rgba(245, 176, 65, 0.65);
      color: #000000 !important;
    }
    .glass-card {
      background: rgba(15, 28, 63, 0.65);
      border: 1px solid var(--border-glass);
      backdrop-filter: blur(12px);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: all 0.35s ease;
      position: relative;
    }
    .article-header-sec {
      padding: 56px 0 24px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      background: radial-gradient(circle at 50% 0%, rgba(245, 176, 65, 0.08), transparent 70%);
    }
    .article-breadcrumbs {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .article-breadcrumbs a:hover {
      color: var(--accent-gold);
    }
    .article-title {
      font-size: 2.35rem;
      font-weight: 800;
      line-height: 1.35;
      color: #ffffff;
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }
    .article-meta-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 20px;
      font-size: 0.88rem;
      color: var(--text-secondary);
      padding-bottom: 14px;
    }
    .meta-tag {
      background: rgba(245, 176, 65, 0.15);
      border: 1px solid rgba(245, 176, 65, 0.3);
      color: var(--accent-gold);
      padding: 3px 12px;
      border-radius: var(--radius-full);
      font-weight: 600;
      font-size: 0.8rem;
    }
    .meta-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .takeaway-sec {
      padding: 36px 0 16px;
    }
    .takeaway-box {
      border: 1px solid rgba(245, 176, 65, 0.3);
      background: linear-gradient(145deg, rgba(15, 28, 63, 0.8), rgba(21, 37, 84, 0.6));
      border-radius: var(--radius-md);
      padding: 24px 30px;
      box-shadow: inset 0 0 20px rgba(245, 176, 65, 0.05);
    }
    .takeaway-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--accent-gold);
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .takeaway-list {
      margin: 0;
      padding: 0 0 0 20px;
      color: var(--text-secondary);
      font-size: 0.94rem;
    }
    .takeaway-list li {
      margin-bottom: 8px;
    }
    .takeaway-list li:last-child {
      margin-bottom: 0;
    }
    .article-main-body-sec {
      padding: 32px 0 48px;
    }
    .content-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }
    .article-content {
      font-size: 1.05rem;
      line-height: 1.95;
      color: #e2e8f0;
    }
    .article-content p {
      margin-bottom: 24px;
    }
    .article-content h2 {
      font-size: 1.6rem;
      font-weight: 800;
      color: #ffffff;
      margin: 44px 0 20px;
      padding-left: 14px;
      border-left: 4px solid var(--accent-gold);
      line-height: 1.35;
    }
    .article-content h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--accent-gold);
      margin: 32px 0 16px;
    }
    .article-content ul, .article-content ol {
      margin: 0 0 24px 24px;
      color: var(--text-secondary);
    }
    .article-content li {
      margin-bottom: 10px;
    }
    .article-content blockquote {
      background: rgba(15, 28, 63, 0.5);
      border-left: 4px solid var(--neon-cyan);
      margin: 28px 0;
      padding: 18px 24px;
      color: var(--text-secondary);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      font-style: normal;
    }
    .article-content pre, .article-content code {
      font-family: Consolas, Monaco, monospace;
      background: #040813;
      color: #79c0ff;
    }
    .article-content pre {
      padding: 18px;
      border-radius: var(--radius-sm);
      overflow-x: auto;
      margin-bottom: 24px;
      border: 1px solid var(--border-glass);
    }
    .benchmark-badge-sec {
      padding: 24px 0 44px;
    }
    .benchmark-box {
      border: 1px solid rgba(0, 210, 211, 0.25);
      background: rgba(15, 28, 63, 0.6);
      border-radius: var(--radius-md);
      padding: 24px 28px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .benchmark-val-group {
      display: flex;
      gap: 28px;
    }
    .benchmark-val-item {
      text-align: left;
    }
    .benchmark-num {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--accent-gold);
      line-height: 1.2;
    }
    .benchmark-lbl {
      font-size: 0.8rem;
      color: var(--text-muted);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .copyright-sec {
      padding: 16px 0 40px;
    }
    .copyright-badge {
      background: rgba(7, 13, 30, 0.7);
      border: 1px dashed rgba(245, 176, 65, 0.3);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      font-size: 0.85rem;
      color: var(--text-secondary);
      line-height: 1.7;
    }
    .adjacent-nav-sec {
      padding: 20px 0 56px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    .adjacent-card {
      background: rgba(15, 28, 63, 0.5);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: center;
      transition: all 0.3s ease;
    }
    .adjacent-card:hover {
      border-color: rgba(245, 176, 65, 0.5);
      background: rgba(21, 37, 84, 0.7);
      transform: translateY(-3px);
    }
    .adjacent-label {
      font-size: 0.8rem;
      color: var(--accent-gold);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .adjacent-title {
      font-size: 0.96rem;
      font-weight: 600;
      color: #ffffff;
      line-height: 1.45;
    }
    .related-sec {
      padding: 56px 0 72px;
      background: rgba(11, 21, 48, 0.45);
      border-top: 1px solid rgba(245, 176, 65, 0.12);
    }
    .section-head {
      margin-bottom: 36px;
    }
    .section-head h3 {
      font-size: 1.45rem;
      font-weight: 800;
      color: #ffffff;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .topic-card {
      background: rgba(15, 28, 63, 0.75);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-md);
      overflow: hidden;
      height: 100%;
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }
    .topic-card:hover {
      border-color: rgba(245, 176, 65, 0.4);
      transform: translateY(-4px);
    }
    .topic-card-thumb {
      aspect-ratio: 16/9;
      background-size: cover;
      background-position: center;
      position: relative;
    }
    .topic-card-body {
      padding: 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .topic-tag {
      font-size: 0.75rem;
      color: var(--accent-gold);
      margin-bottom: 8px;
    }
    .topic-name {
      font-size: 1rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 12px;
      line-height: 1.45;
    }
    .topic-link {
      font-size: 0.85rem;
      color: var(--neon-cyan);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .empty-state {
      text-align: center;
      padding: 80px 20px;
    }
    .empty-icon {
      font-size: 3rem;
      color: var(--text-muted);
      margin-bottom: 18px;
    }
    .site-footer {
      background: #040813;
      border-top: 1px solid var(--border-subtle);
      padding: 64px 0 28px;
    }
    .footer-col-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 18px;
      position: relative;
      padding-bottom: 8px;
    }
    .footer-col-title::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 24px;
      height: 2px;
      background: var(--accent-gold);
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      font-size: 0.88rem;
      color: var(--text-secondary);
    }
    .footer-links a:hover {
      color: var(--accent-gold);
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      margin-top: 40px;
      padding-top: 24px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    @media print, screen and (max-width: 63.99875em) {
      .nav-links { display: none; }
      .article-title { font-size: 1.85rem; }
      .benchmark-box { flex-direction: column; align-items: flex-start; }
      .benchmark-val-group { flex-wrap: wrap; gap: 18px; }
    }

/* roulang page: category1 */
:root {
      --bg-base: #070d1e;
      --bg-surface: #0f1c3f;
      --bg-surface-elevated: #152554;
      --accent-gold: #f5b041;
      --accent-gold-glow: rgba(245, 176, 65, 0.45);
      --badge-silver: #d5dbdb;
      --badge-bronze: #dc7633;
      --neon-blue: #2980b9;
      --neon-cyan: #00d2d3;
      --text-primary: #f8f9fa;
      --text-secondary: #aeb6bf;
      --text-muted: #627282;
      --border-subtle: rgba(245, 176, 65, 0.16);
      --border-glass: rgba(255, 255, 255, 0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-full: 999px;
      --section-pad: 84px 0;
    }
    * { box-sizing: border-box; }
    body {
      background-color: var(--bg-base);
      color: var(--text-primary);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.68;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: all 0.3s ease; }
    a:hover { color: var(--accent-gold); }
    img { max-width: 100%; height: auto; display: block; }

    /* 统一导航 */
    .site-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(7, 13, 30, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-subtle);
      padding: 16px 0;
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      letter-spacing: 0.5px;
      color: #ffffff;
    }
    .site-logo i { color: var(--accent-gold); text-shadow: 0 0 10px var(--accent-gold-glow); }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .nav-links a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-secondary);
      position: relative;
      padding: 6px 0;
    }
    .nav-links a.active, .nav-links a:hover {
      color: #ffffff;
    }
    .nav-links a.active::after, .nav-links a:hover::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent-gold);
      box-shadow: 0 0 8px var(--accent-gold);
    }
    .btn-gold {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, #f5b041 0%, #e67e22 100%);
      color: #070d1e !important;
      font-weight: 700;
      font-size: 0.95rem;
      padding: 12px 26px;
      border-radius: var(--radius-full);
      box-shadow: 0 0 20px var(--accent-gold-glow);
      border: none;
      cursor: pointer;
    }
    .btn-gold:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 28px rgba(245, 176, 65, 0.65);
      color: #000000 !important;
    }
    .btn-glass {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: rgba(15, 28, 63, 0.6);
      color: var(--text-primary) !important;
      font-weight: 600;
      font-size: 0.95rem;
      padding: 12px 26px;
      border-radius: var(--radius-full);
      border: 1px solid rgba(245, 176, 65, 0.35);
      backdrop-filter: blur(8px);
    }
    .btn-glass:hover {
      background: rgba(245, 176, 65, 0.15);
      border-color: var(--accent-gold);
      transform: translateY(-2px);
    }

    /* 板块结构 */
    .main-section {
      padding: var(--section-pad);
      position: relative;
    }
    .section-header {
      text-align: center;
      margin-bottom: 48px;
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(245, 176, 65, 0.1);
      border: 1px solid rgba(245, 176, 65, 0.28);
      color: var(--accent-gold);
      font-size: 0.8rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: var(--radius-full);
      margin-bottom: 14px;
      letter-spacing: 1px;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 14px;
      letter-spacing: -0.3px;
    }
    .section-desc {
      color: var(--text-secondary);
      max-width: 760px;
      margin: 0 auto;
      font-size: 1rem;
      line-height: 1.8;
    }

    /* 玻璃卡片 */
    .glass-card {
      background: rgba(15, 28, 63, 0.65);
      border: 1px solid var(--border-glass);
      backdrop-filter: blur(12px);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: all 0.35s ease;
      height: 100%;
      position: relative;
      overflow: hidden;
    }
    .glass-card:hover {
      border-color: rgba(245, 176, 65, 0.4);
      transform: translateY(-5px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
    }

    /* 分类专属导读区 (非Hero) */
    .cat-compact-header {
      background: linear-gradient(180deg, rgba(15, 28, 63, 0.85) 0%, rgba(7, 13, 30, 0.95) 100%);
      border-bottom: 1px solid var(--border-subtle);
      padding: 60px 0 46px;
      position: relative;
    }
    .cat-compact-header::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 10%;
      width: 80%;
      height: 1px;
      background: radial-gradient(circle, var(--accent-gold-glow) 0%, transparent 80%);
    }
    .cat-h1 {
      font-size: 2.35rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 18px;
      line-height: 1.3;
    }
    .cat-h1 span {
      background: linear-gradient(135deg, #ffffff 0%, var(--accent-gold) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    /* 子维度筛选栏 */
    .filter-bar-container {
      background: rgba(10, 20, 48, 0.7);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 16px 24px;
      margin-top: 24px;
    }
    .filter-group {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .filter-label {
      font-size: 0.85rem;
      color: var(--accent-gold);
      font-weight: 700;
      margin-right: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .filter-pill {
      display: inline-block;
      padding: 5px 14px;
      font-size: 0.82rem;
      border-radius: var(--radius-full);
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-glass);
      color: var(--text-secondary);
      cursor: pointer;
      transition: all 0.25s ease;
    }
    .filter-pill:hover, .filter-pill.active {
      background: rgba(245, 176, 65, 0.18);
      border-color: var(--accent-gold);
      color: #ffffff;
      box-shadow: 0 0 10px rgba(245, 176, 65, 0.3);
    }

    /* 方案核心卡片 */
    .solution-card-img-wrap {
      aspect-ratio: 16/9;
      border-radius: var(--radius-sm);
      overflow: hidden;
      margin-bottom: 18px;
      position: relative;
    }
    .solution-card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .glass-card:hover .solution-card-img-wrap img {
      transform: scale(1.04);
    }
    .medal-tag {
      position: absolute;
      top: 10px;
      right: 10px;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: var(--radius-full);
      box-shadow: 0 4px 10px rgba(0,0,0,0.5);
    }
    .tag-gold { background: linear-gradient(135deg, #f5b041, #d68910); color: #070d1e; }
    .tag-silver { background: linear-gradient(135deg, #d5dbdb, #85929e); color: #070d1e; }
    .tag-cyan { background: linear-gradient(135deg, #00d2d3, #0984e3); color: #ffffff; }

    .card-meta-list {
      list-style: none;
      padding: 0;
      margin: 16px 0 20px;
      border-top: 1px dashed rgba(255, 255, 255, 0.08);
      padding-top: 14px;
    }
    .card-meta-list li {
      display: flex;
      justify-content: space-between;
      font-size: 0.84rem;
      color: var(--text-secondary);
      margin-bottom: 6px;
    }
    .card-meta-list li span:last-child {
      color: var(--text-primary);
      font-weight: 600;
    }

    /* 排行榜单条形列表 */
    .ranking-strip-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .ranking-strip-item {
      display: flex;
      align-items: center;
      background: rgba(15, 28, 63, 0.6);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-sm);
      padding: 16px 20px;
      transition: all 0.3s ease;
    }
    .ranking-strip-item:hover {
      border-color: rgba(245, 176, 65, 0.45);
      background: rgba(21, 37, 84, 0.7);
      transform: translateX(4px);
    }
    .rank-num-badge {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.1rem;
      margin-right: 20px;
      flex-shrink: 0;
    }
    .rank-1 { background: radial-gradient(circle, #f5b041, #b9770e); color: #070d1e; box-shadow: 0 0 14px var(--accent-gold-glow); }
    .rank-2 { background: radial-gradient(circle, #d5dbdb, #7f8c8d); color: #070d1e; }
    .rank-3 { background: radial-gradient(circle, #dc7633, #873600); color: #ffffff; }
    .rank-other { background: rgba(255, 255, 255, 0.1); color: var(--text-secondary); }

    .rank-content-main {
      flex: 1;
      min-width: 0;
    }
    .rank-content-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 4px;
    }
    .rank-content-desc {
      font-size: 0.85rem;
      color: var(--text-secondary);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .rank-metric-box {
      text-align: right;
      padding-left: 20px;
      flex-shrink: 0;
    }
    .rank-metric-value {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--accent-gold);
    }
    .rank-metric-label {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* 对照板块 */
    .compare-box {
      padding: 30px;
      border-radius: var(--radius-md);
      height: 100%;
    }
    .compare-traditional {
      background: rgba(30, 15, 20, 0.55);
      border: 1px solid rgba(231, 76, 60, 0.3);
    }
    .compare-myzhibo {
      background: rgba(15, 35, 60, 0.65);
      border: 1px solid rgba(245, 176, 65, 0.45);
      box-shadow: inset 0 0 20px rgba(245, 176, 65, 0.1);
    }
    .compare-list {
      list-style: none;
      padding: 0;
      margin: 20px 0 0;
    }
    .compare-list li {
      margin-bottom: 14px;
      font-size: 0.92rem;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }

    /* FAQ 折叠组件 */
    .faq-panel {
      background: rgba(15, 28, 63, 0.65);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      overflow: hidden;
      transition: all 0.3s ease;
    }
    .faq-panel:hover {
      border-color: rgba(245, 176, 65, 0.3);
    }
    .faq-q {
      padding: 18px 22px;
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }
    .faq-q i {
      color: var(--accent-gold);
      font-size: 0.9rem;
    }
    .faq-a {
      padding: 0 22px 20px;
      font-size: 0.92rem;
      color: var(--text-secondary);
      line-height: 1.75;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding-top: 14px;
    }

    /* 资讯列表区 */
    .cms-post-item {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
      background: rgba(15, 28, 63, 0.55);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-sm);
      padding: 20px;
      transition: all 0.3s ease;
    }
    .cms-post-item:hover {
      border-color: rgba(245, 176, 65, 0.35);
      transform: translateY(-3px);
    }
    .cms-item-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 8px;
      line-height: 1.45;
    }
    .cms-item-snippet {
      font-size: 0.85rem;
      color: var(--text-secondary);
      margin-bottom: 16px;
      line-height: 1.6;
    }
    .cms-item-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.78rem;
      color: var(--text-muted);
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 10px;
    }

    /* 底部收口 CTA */
    .cat-cta-bar {
      background: linear-gradient(135deg, rgba(21, 37, 84, 0.85) 0%, rgba(15, 28, 63, 0.95) 100%);
      border: 1px solid rgba(245, 176, 65, 0.3);
      box-shadow: 0 0 30px rgba(0,0,0,0.5), inset 0 0 15px rgba(245, 176, 65, 0.15);
      border-radius: var(--radius-md);
      padding: 44px 36px;
      text-align: center;
    }

    /* 统一页脚 */
    .site-footer {
      background: #040813;
      border-top: 1px solid var(--border-glass);
      padding: 64px 0 24px;
      color: var(--text-secondary);
    }
    .footer-col-title {
      color: #ffffff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
      font-size: 0.88rem;
    }
    .footer-links a:hover {
      color: var(--accent-gold);
    }
    .footer-bottom {
      margin-top: 48px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: var(--text-muted);
      gap: 12px;
    }

    @media (max-width: 1024px) {
      .nav-links { display: none; }
      .cat-h1 { font-size: 1.95rem; }
    }
    @media (max-width: 640px) {
      .ranking-strip-item { flex-direction: column; align-items: flex-start; gap: 12px; }
      .rank-metric-box { text-align: left; padding-left: 0; }
      .cat-cta-bar { padding: 30px 20px; }
    }