/* roulang page: index */
:root {
      --bg-dark: #0b0b0e;
      --bg-card: #141418;
      --bg-card-hover: #1b1b22;
      --text-main: #f5f5f7;
      --text-muted: #a1a1a6;
      --text-dim: #6e6e73;
      --accent: #00f0a0;
      --accent-glow: rgba(0, 240, 160, 0.25);
      --amber: #e5a93c;
      --amber-glow: rgba(229, 169, 60, 0.25);
      --border: rgba(255, 255, 255, 0.08);
      --border-focus: rgba(0, 240, 160, 0.4);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --font-stack: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Segoe UI", Roboto, sans-serif;
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    * { box-sizing: border-box; }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: var(--font-stack);
      line-height: 1.65;
      letter-spacing: -0.01em;
      margin: 0;
      padding: 0;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--accent); }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(11, 11, 14, 0.85);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border);
      height: 72px;
      display: flex;
      align-items: center;
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.03em;
    }
    .brand-logo i { color: var(--accent); font-size: 1.35rem; }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .nav-links li a {
      font-size: 0.92rem;
      color: var(--text-muted);
      font-weight: 500;
      padding: 6px 0;
      position: relative;
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--text-main);
    }
    .nav-links li a.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent);
      box-shadow: 0 0 8px var(--accent);
    }
    .header-btn {
      background: var(--accent);
      color: #05140d !important;
      font-size: 0.88rem;
      font-weight: 700;
      padding: 9px 20px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 14px var(--accent-glow);
    }
    .header-btn:hover {
      background: #0fffb2;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 240, 160, 0.4);
    }
    main { padding-top: 72px; }
    section {
      padding: 90px 0;
      position: relative;
      border-bottom: 1px solid var(--border);
    }
    .section-alt { background-color: var(--bg-card); }
    .section-heading {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 56px auto;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--accent);
      background: rgba(0, 240, 160, 0.1);
      border: 1px solid rgba(0, 240, 160, 0.25);
      padding: 4px 12px;
      border-radius: 999px;
      margin-bottom: 16px;
      font-weight: 600;
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin: 0;
    }
    .hero-banner {
      min-height: calc(100vh - 72px);
      display: flex;
      align-items: center;
      background: linear-gradient(180deg, rgba(11, 11, 14, 0.7) 0%, rgba(11, 11, 14, 0.95) 100%),
                  url('/assets/images/d8aa315f977b7b52.webp') center/cover no-repeat;
      padding: 100px 0 80px 0;
      position: relative;
    }
    .hero-badge-live {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      border-radius: 999px;
      background: rgba(229, 169, 60, 0.12);
      border: 1px solid rgba(229, 169, 60, 0.3);
      color: var(--amber);
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 22px;
    }
    .hero-badge-live .live-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--amber);
      box-shadow: 0 0 10px var(--amber);
      animation: pulse 1.8s infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }
    .hero-h1 {
      font-size: 3.4rem;
      font-weight: 800;
      line-height: 1.15;
      letter-spacing: -0.03em;
      margin-bottom: 24px;
      color: #ffffff;
    }
    .hero-lead {
      font-size: 1.18rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 34px;
      max-width: 640px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-bottom: 40px;
    }
    .btn-primary {
      background: var(--accent);
      color: #05140d !important;
      font-weight: 700;
      font-size: 1rem;
      padding: 14px 32px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      box-shadow: 0 8px 24px var(--accent-glow);
    }
    .btn-primary:hover {
      background: #0fffb2;
      transform: translateY(-3px);
      box-shadow: 0 12px 28px rgba(0, 240, 160, 0.4);
    }
    .btn-secondary {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border);
      color: var(--text-main) !important;
      font-weight: 600;
      font-size: 1rem;
      padding: 14px 28px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      backdrop-filter: blur(10px);
    }
    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.2);
      transform: translateY(-3px);
    }
    .hero-countdown-box {
      background: rgba(20, 20, 24, 0.85);
      border: 1px solid var(--border);
      backdrop-filter: blur(20px);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    }
    .countdown-title {
      font-size: 0.9rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--text-muted);
      margin-bottom: 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .countdown-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      margin-bottom: 24px;
    }
    .countdown-unit {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 14px 6px;
      text-align: center;
    }
    .countdown-val {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--accent);
      line-height: 1.1;
      font-variant-numeric: tabular-nums;
    }
    .countdown-label {
      font-size: 0.72rem;
      color: var(--text-dim);
      text-transform: uppercase;
      margin-top: 4px;
    }
    .feature-card {
      background: rgba(20, 20, 24, 0.6);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 32px 26px;
      height: 100%;
      transition: var(--transition);
      position: relative;
    }
    .feature-card:hover {
      background: var(--bg-card-hover);
      border-color: rgba(0, 240, 160, 0.3);
      transform: translateY(-5px);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
    }
    .feature-icon-wrapper {
      width: 54px;
      height: 54px;
      border-radius: var(--radius-sm);
      background: rgba(0, 240, 160, 0.1);
      border: 1px solid rgba(0, 240, 160, 0.2);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-size: 1.4rem;
      margin-bottom: 20px;
    }
    .feature-title {
      font-size: 1.22rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .feature-desc {
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin: 0;
    }
    .tier-box {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      position: relative;
      height: 100%;
      transition: var(--transition);
    }
    .tier-box.popular {
      border-color: var(--accent);
      box-shadow: 0 0 30px rgba(0, 240, 160, 0.15);
      background: linear-gradient(180deg, rgba(20, 20, 24, 0.95) 0%, rgba(14, 28, 22, 0.8) 100%);
    }
    .tier-box:hover {
      transform: translateY(-6px);
    }
    .tier-tag {
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--accent);
      color: #05140d;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 3px 12px;
      border-radius: 999px;
      text-transform: uppercase;
    }
    .tier-name {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .tier-price {
      font-size: 2.3rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 18px;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }
    .tier-price small {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 400;
    }
    .tier-list {
      list-style: none;
      padding: 0;
      margin: 0 0 28px 0;
    }
    .tier-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 12px;
    }
    .tier-list li i {
      color: var(--accent);
      margin-top: 4px;
      font-size: 0.85rem;
    }
    .tier-btn {
      width: 100%;
      text-align: center;
      padding: 12px 0;
      border-radius: var(--radius-sm);
      font-weight: 700;
      display: block;
      border: 1px solid var(--border);
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-main);
    }
    .tier-box.popular .tier-btn {
      background: var(--accent);
      color: #05140d;
      border-color: var(--accent);
    }
    .tier-btn:hover {
      background: #0fffb2;
      color: #05140d;
      border-color: #0fffb2;
    }
    .hot-item-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .hot-item-card:hover {
      border-color: rgba(255, 255, 255, 0.2);
      transform: translateY(-4px);
    }
    .hot-item-img {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16 / 9;
      background: #18181f;
    }
    .hot-item-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .hot-item-card:hover .hot-item-img img {
      transform: scale(1.05);
    }
    .hot-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(11, 11, 14, 0.85);
      border: 1px solid var(--border);
      font-size: 0.72rem;
      font-weight: 700;
      color: var(--accent);
      padding: 3px 10px;
      border-radius: 4px;
      backdrop-filter: blur(8px);
    }
    .hot-content {
      padding: 22px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .hot-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .hot-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .hot-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid var(--border);
      padding-top: 14px;
      font-size: 0.85rem;
      color: var(--text-dim);
    }
    .review-card {
      background: rgba(20, 20, 24, 0.6);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 28px;
      height: 100%;
      position: relative;
      transition: var(--transition);
    }
    .review-card:hover {
      background: var(--bg-card-hover);
      border-color: rgba(255, 255, 255, 0.15);
      transform: translateY(-4px);
    }
    .stars-bar {
      color: var(--amber);
      font-size: 0.85rem;
      margin-bottom: 14px;
      display: flex;
      gap: 3px;
    }
    .review-quote {
      font-size: 0.94rem;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: italic;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--accent);
      font-size: 1rem;
    }
    .author-name {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .author-role {
      font-size: 0.78rem;
      color: var(--text-dim);
    }
    .guarantee-bar {
      background: #0f0f13;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 45px 0;
    }
    .guar-item {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .guar-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: rgba(0, 240, 160, 0.08);
      border: 1px solid rgba(0, 240, 160, 0.2);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      flex-shrink: 0;
    }
    .guar-text h4 {
      font-size: 1.02rem;
      font-weight: 700;
      margin: 0 0 4px 0;
      color: var(--text-main);
    }
    .guar-text p {
      font-size: 0.83rem;
      color: var(--text-muted);
      margin: 0;
      line-height: 1.4;
    }
    .cms-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px;
      height: 100%;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .cms-card:hover {
      border-color: rgba(0, 240, 160, 0.3);
      transform: translateY(-4px);
    }
    .cms-date {
      font-size: 0.78rem;
      color: var(--accent);
      text-transform: uppercase;
      font-weight: 600;
      letter-spacing: 0.05em;
      margin-bottom: 10px;
    }
    .cms-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 12px;
      line-height: 1.4;
      color: var(--text-main);
    }
    .cms-summary {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .cms-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .cms-link i {
      font-size: 0.75rem;
      transition: transform 0.2s ease;
    }
    .cms-card:hover .cms-link {
      color: var(--accent);
    }
    .cms-card:hover .cms-link i {
      transform: translateX(4px);
    }
    .data-table-wrap {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow-x: auto;
    }
    .data-table {
      width: 100%;
      border-collapse: collapse;
      margin: 0;
      background: transparent;
      color: var(--text-main);
    }
    .data-table th {
      background: rgba(255, 255, 255, 0.03);
      color: var(--text-muted);
      font-size: 0.88rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      padding: 16px 20px;
      border-bottom: 1px solid var(--border);
      text-align: left;
    }
    .data-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border);
      font-size: 0.92rem;
      color: var(--text-muted);
    }
    .data-table tr:last-child td {
      border-bottom: none;
    }
    .data-table tr:hover td {
      background: rgba(255, 255, 255, 0.02);
      color: var(--text-main);
    }
    .data-table .highlight {
      color: var(--accent);
      font-weight: 700;
    }
    .accordion-item {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
    }
    .accordion-header {
      padding: 18px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--text-main);
      transition: var(--transition);
    }
    .accordion-header:hover {
      background: rgba(255, 255, 255, 0.02);
      color: var(--accent);
    }
    .accordion-header i {
      transition: transform 0.3s ease;
      color: var(--accent);
    }
    .accordion-body {
      padding: 0 24px 20px 24px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      display: none;
    }
    .accordion-item.active .accordion-body {
      display: block;
    }
    .accordion-item.active .accordion-header i {
      transform: rotate(180deg);
    }
    .cta-container {
      background: linear-gradient(135deg, rgba(20, 20, 24, 0.95) 0%, rgba(10, 35, 25, 0.9) 100%);
      border: 1px solid rgba(0, 240, 160, 0.3);
      border-radius: var(--radius-lg);
      padding: 60px 40px;
      text-align: center;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
      position: relative;
      overflow: hidden;
    }
    .cta-container::before {
      content: '';
      position: absolute;
      top: -50%;
      left: 50%;
      transform: translateX(-50%);
      width: 400px;
      height: 300px;
      background: radial-gradient(circle, rgba(0, 240, 160, 0.15) 0%, transparent 70%);
      pointer-events: none;
    }
    .cta-input-group {
      max-width: 520px;
      margin: 32px auto 0 auto;
      display: flex;
      gap: 10px;
    }
    .cta-input {
      flex: 1;
      background: rgba(11, 11, 14, 0.8);
      border: 1px solid var(--border);
      color: var(--text-main);
      padding: 14px 20px;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      outline: none;
      transition: var(--transition);
    }
    .cta-input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 12px var(--accent-glow);
    }
    .site-footer {
      background-color: #08080a;
      border-top: 1px solid var(--border);
      padding: 70px 0 30px 0;
      color: var(--text-dim);
      font-size: 0.88rem;
    }
    .footer-col h5 {
      color: var(--text-main);
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 20px;
      letter-spacing: -0.01em;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 12px;
    }
    .footer-links li a {
      color: var(--text-muted);
      font-size: 0.88rem;
    }
    .footer-links li a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      border-top: 1px solid var(--border);
      margin-top: 50px;
      padding-top: 24px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }
    .tag-pill {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border);
      color: var(--text-muted);
      padding: 8px 18px;
      border-radius: 999px;
      font-size: 0.85rem;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .tag-pill:hover {
      background: rgba(0, 240, 160, 0.1);
      border-color: var(--accent);
      color: var(--accent);
      transform: translateY(-2px);
    }
    @media (max-width: 1024px) {
      .hero-h1 { font-size: 2.6rem; }
      .section-title { font-size: 1.85rem; }
      .nav-links { display: none; }
    }
    @media (max-width: 640px) {
      .hero-h1 { font-size: 2.1rem; }
      .hero-banner { padding: 60px 0; }
      .cta-input-group { flex-direction: column; }
      .countdown-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-bottom { flex-direction: column; text-align: center; }
    }

/* roulang page: article */
:root {
      --bg-dark: #0b0b0e;
      --bg-card: #141418;
      --bg-card-hover: #1b1b22;
      --text-main: #f5f5f7;
      --text-muted: #a1a1a6;
      --text-dim: #6e6e73;
      --accent: #00f0a0;
      --accent-glow: rgba(0, 240, 160, 0.25);
      --amber: #e5a93c;
      --amber-glow: rgba(229, 169, 60, 0.25);
      --border: rgba(255, 255, 255, 0.08);
      --border-focus: rgba(0, 240, 160, 0.4);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --font-stack: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Segoe UI", Roboto, sans-serif;
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    * { box-sizing: border-box; }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: var(--font-stack);
      line-height: 1.65;
      letter-spacing: -0.01em;
      margin: 0;
      padding: 0;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--accent); }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(11, 11, 14, 0.85);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border);
      height: 72px;
      display: flex;
      align-items: center;
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.03em;
    }
    .brand-logo i { color: var(--accent); font-size: 1.35rem; }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .nav-links li a {
      font-size: 0.92rem;
      color: var(--text-muted);
      font-weight: 500;
      padding: 6px 0;
      position: relative;
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--text-main);
    }
    .nav-links li a.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent);
      box-shadow: 0 0 8px var(--accent);
    }
    .header-btn {
      background: var(--accent);
      color: #05140d !important;
      font-size: 0.88rem;
      font-weight: 700;
      padding: 9px 20px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 14px var(--accent-glow);
    }
    .header-btn:hover {
      background: #0fffb2;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 240, 160, 0.4);
    }
    main { padding-top: 72px; min-height: 80vh; }
    .article-hero {
      background: linear-gradient(180deg, rgba(20, 20, 24, 0.6) 0%, rgba(11, 11, 14, 0.98) 100%),
                  url('/assets/images/4730237149c32ab7.webp') center/cover no-repeat;
      padding: 60px 0 40px;
      border-bottom: 1px solid var(--border);
      position: relative;
    }
    .breadcrumbs {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.88rem;
      color: var(--text-dim);
      margin-bottom: 24px;
    }
    .breadcrumbs a { color: var(--text-muted); }
    .breadcrumbs a:hover { color: var(--accent); }
    .breadcrumbs span.sep { color: var(--border-focus); }
    .article-header-box {
      max-width: 900px;
      margin: 0 auto;
    }
    .article-topic-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(0, 240, 160, 0.1);
      border: 1px solid rgba(0, 240, 160, 0.3);
      color: var(--accent);
      font-size: 0.8rem;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 18px;
    }
    .article-title-h1 {
      font-size: 2.6rem;
      font-weight: 800;
      color: #ffffff;
      line-height: 1.25;
      letter-spacing: -0.025em;
      margin-bottom: 24px;
    }
    .meta-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 24px;
      padding: 16px 0;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      color: var(--text-muted);
      font-size: 0.9rem;
    }
    .meta-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .meta-item i { color: var(--accent); }
    .content-container {
      max-width: 860px;
      margin: 0 auto;
      padding: 50px 0 70px;
    }
    .article-body {
      font-size: 1.1rem;
      line-height: 1.85;
      color: #d1d1d6;
    }
    .article-body h2 {
      font-size: 1.85rem;
      font-weight: 700;
      color: var(--text-main);
      margin: 48px 0 20px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--border);
      letter-spacing: -0.02em;
    }
    .article-body h3 {
      font-size: 1.45rem;
      font-weight: 600;
      color: var(--text-main);
      margin: 36px 0 16px;
    }
    .article-body p {
      margin-bottom: 24px;
      color: #d1d1d6;
    }
    .article-body ul, .article-body ol {
      margin-bottom: 28px;
      padding-left: 24px;
    }
    .article-body li {
      margin-bottom: 10px;
      color: #d1d1d6;
    }
    .article-body blockquote {
      margin: 32px 0;
      padding: 20px 24px;
      background: rgba(20, 20, 24, 0.85);
      border-left: 4px solid var(--accent);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      color: var(--text-muted);
      font-style: normal;
    }
    .article-body pre, .article-body code {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    }
    .article-body pre {
      background: #060608;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 20px;
      overflow-x: auto;
      margin: 28px 0;
      color: #4df0b5;
    }
    .article-body code {
      background: rgba(255, 255, 255, 0.06);
      padding: 3px 8px;
      border-radius: 4px;
      color: var(--amber);
      font-size: 0.9em;
    }
    .article-media-box {
      margin: 36px 0;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border);
      background: var(--bg-card);
    }
    .article-media-box img {
      width: 100%;
      max-height: 480px;
      object-fit: cover;
    }
    .article-media-caption {
      padding: 12px 18px;
      font-size: 0.85rem;
      color: var(--text-dim);
      background: var(--bg-card);
      text-align: center;
      border-top: 1px solid var(--border);
    }
    .article-tags-share {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      margin-top: 48px;
      padding-top: 28px;
      border-top: 1px solid var(--border);
    }
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .tag-item {
      font-size: 0.82rem;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border);
      padding: 6px 14px;
      border-radius: 999px;
      color: var(--text-muted);
    }
    .tag-item:hover {
      border-color: var(--accent);
      color: var(--accent);
    }
    .share-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .share-btn {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--bg-card);
      border: 1px solid var(--border);
      color: var(--text-muted);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      cursor: pointer;
    }
    .share-btn:hover {
      background: var(--bg-card-hover);
      color: var(--accent);
      border-color: var(--accent);
    }
    .copyright-card {
      margin-top: 36px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      gap: 20px;
      align-items: flex-start;
    }
    .copyright-icon {
      font-size: 1.8rem;
      color: var(--amber);
      margin-top: 4px;
    }
    .copyright-text h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin: 0 0 6px 0;
    }
    .copyright-text p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin: 0;
      line-height: 1.6;
    }
    .post-nav-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 40px;
    }
    .post-nav-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 22px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .post-nav-card:hover {
      border-color: var(--border-focus);
      transform: translateY(-3px);
      box-shadow: 0 10px 24px rgba(0,0,0,0.4);
    }
    .post-nav-card.nav-next { text-align: right; }
    .post-nav-label {
      font-size: 0.78rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--accent);
      margin-bottom: 8px;
    }
    .post-nav-title {
      font-size: 0.98rem;
      font-weight: 600;
      color: var(--text-main);
      line-height: 1.4;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .related-section {
      background: #101014;
      border-top: 1px solid var(--border);
      padding: 70px 0;
    }
    .related-title-box {
      margin-bottom: 36px;
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
    }
    .related-heading {
      font-size: 1.65rem;
      font-weight: 700;
      color: var(--text-main);
      margin: 0;
    }
    .related-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .related-card:hover {
      border-color: var(--border-focus);
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(0,0,0,0.5);
    }
    .related-thumb {
      height: 170px;
      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-content {
      padding: 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .related-meta {
      font-size: 0.78rem;
      color: var(--text-dim);
      margin-bottom: 8px;
    }
    .related-item-title {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.45;
    }
    .related-item-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .empty-state-box {
      text-align: center;
      padding: 90px 20px;
      background: var(--bg-card);
      border: 1px dashed var(--border);
      border-radius: var(--radius-lg);
      margin: 40px auto;
      max-width: 680px;
    }
    .empty-state-box i {
      font-size: 3.5rem;
      color: var(--amber);
      margin-bottom: 20px;
    }
    .empty-state-box h2 {
      font-size: 1.8rem;
      color: var(--text-main);
      margin-bottom: 14px;
    }
    .empty-state-box p {
      color: var(--text-muted);
      margin-bottom: 28px;
    }
    .site-footer {
      background: #09090b;
      border-top: 1px solid var(--border);
      padding: 60px 0 30px 0;
      font-size: 0.9rem;
    }
    .footer-col h5 {
      color: var(--text-main);
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 20px;
      letter-spacing: -0.01em;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li { margin-bottom: 12px; }
    .footer-links li a { color: var(--text-muted); font-size: 0.88rem; }
    .footer-links li a:hover { color: var(--accent); }
    .footer-bottom {
      border-top: 1px solid var(--border);
      margin-top: 40px;
      padding-top: 24px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 16px;
      color: var(--text-dim);
      font-size: 0.82rem;
    }
    @media screen and (max-width: 768px) {
      .nav-links { display: none; }
      .article-title-h1 { font-size: 1.85rem; }
      .meta-bar { gap: 14px; font-size: 0.82rem; }
      .post-nav-grid { grid-template-columns: 1fr; }
      .post-nav-card.nav-next { text-align: left; }
    }

/* roulang page: category1 */
:root {
      --bg-dark: #0b0b0e;
      --bg-card: #141418;
      --bg-card-hover: #1b1b22;
      --text-main: #f5f5f7;
      --text-muted: #a1a1a6;
      --text-dim: #6e6e73;
      --accent: #00f0a0;
      --accent-glow: rgba(0, 240, 160, 0.25);
      --amber: #e5a93c;
      --amber-glow: rgba(229, 169, 60, 0.25);
      --border: rgba(255, 255, 255, 0.08);
      --border-focus: rgba(0, 240, 160, 0.4);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --font-stack: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Segoe UI", Roboto, sans-serif;
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: var(--font-stack);
      line-height: 1.65;
      letter-spacing: -0.01em;
      margin: 0;
      padding: 0;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--accent); }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(11, 11, 14, 0.85);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border);
      height: 72px;
      display: flex;
      align-items: center;
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.03em;
    }
    .brand-logo i { color: var(--accent); font-size: 1.35rem; }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .nav-links li a {
      font-size: 0.92rem;
      color: var(--text-muted);
      font-weight: 500;
      padding: 6px 0;
      position: relative;
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--text-main);
    }
    .nav-links li a.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent);
      box-shadow: 0 0 8px var(--accent);
    }
    .header-btn {
      background: var(--accent);
      color: #05140d !important;
      font-size: 0.88rem;
      font-weight: 700;
      padding: 9px 20px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 14px var(--accent-glow);
    }
    .header-btn:hover {
      background: #0fffb2;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 240, 160, 0.4);
    }
    main { padding-top: 72px; }
    section {
      padding: 72px 0;
      position: relative;
      border-bottom: 1px solid var(--border);
    }
    .section-alt { background-color: var(--bg-card); }
    .section-heading {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 48px auto;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--accent);
      background: rgba(0, 240, 160, 0.1);
      border: 1px solid rgba(0, 240, 160, 0.25);
      padding: 4px 12px;
      border-radius: 999px;
      margin-bottom: 14px;
      font-weight: 600;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 14px;
      letter-spacing: -0.02em;
    }
    .section-desc {
      font-size: 1.02rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin: 0;
    }
    .btn-primary {
      background: var(--accent);
      color: #05140d !important;
      font-weight: 700;
      font-size: 0.95rem;
      padding: 12px 28px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 8px 24px var(--accent-glow);
    }
    .btn-primary:hover {
      background: #0fffb2;
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(0, 240, 160, 0.4);
    }
    .btn-secondary {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border);
      color: var(--text-main) !important;
      font-weight: 600;
      font-size: 0.95rem;
      padding: 12px 24px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      backdrop-filter: blur(10px);
    }
    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.2);
      transform: translateY(-2px);
    }
    /* Section 1: Compact Header */
    .cat-compact-header {
      padding: 60px 0 50px 0;
      background: radial-gradient(circle at 10% 20%, rgba(0, 240, 160, 0.06), transparent 45%),
                  radial-gradient(circle at 90% 80%, rgba(229, 169, 60, 0.04), transparent 40%),
                  var(--bg-dark);
      border-bottom: 1px solid var(--border);
    }
    .cat-h1 {
      font-size: 2.6rem;
      font-weight: 800;
      letter-spacing: -0.03em;
      line-height: 1.2;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .cat-lead {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 24px;
      max-width: 720px;
    }
    .cat-badge-line {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }
    .cat-pill {
      font-size: 0.8rem;
      padding: 4px 12px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border);
      border-radius: 999px;
      color: var(--text-muted);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .cat-pill i { color: var(--accent); }
    .cat-stats-panel {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .cat-stat-item {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      padding-bottom: 10px;
    }
    .cat-stat-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .cat-stat-num {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--accent);
      font-family: monospace, sans-serif;
    }
    .cat-stat-label {
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    /* Section 2: Filter Tabs */
    .filter-section {
      padding: 24px 0;
      background: #0e0e13;
    }
    .filter-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }
    .filter-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .filter-pill-btn {
      font-size: 0.88rem;
      padding: 8px 18px;
      border-radius: 999px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      color: var(--text-muted);
      cursor: pointer;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .filter-pill-btn:hover,
    .filter-pill-btn.active {
      color: #05140d;
      background: var(--accent);
      border-color: var(--accent);
      font-weight: 600;
    }
    .filter-summary {
      font-size: 0.85rem;
      color: var(--text-dim);
    }
    /* Section 3: Engine Grid Items */
    .module-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: var(--transition);
      position: relative;
    }
    .module-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-focus);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
    }
    .module-thumb {
      height: 180px;
      overflow: hidden;
      position: relative;
      background: #181820;
    }
    .module-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .module-card:hover .module-thumb img {
      transform: scale(1.05);
    }
    .module-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(11, 11, 14, 0.75);
      backdrop-filter: blur(8px);
      border: 1px solid var(--border);
      color: var(--accent);
      font-size: 0.75rem;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
    }
    .module-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .module-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.35;
    }
    .module-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .module-specs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      padding-top: 14px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 0.8rem;
      color: var(--text-dim);
    }
    .module-specs span strong {
      color: var(--text-muted);
      font-weight: 600;
      margin-right: 4px;
    }
    /* Section 4: Architecture & Guide */
    .guide-box {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 36px;
      height: 100%;
    }
    .guide-step-item {
      display: flex;
      gap: 16px;
      margin-bottom: 24px;
    }
    .guide-step-item:last-child {
      margin-bottom: 0;
    }
    .guide-step-num {
      flex-shrink: 0;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: rgba(0, 240, 160, 0.12);
      border: 1px solid var(--accent);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
    }
    .guide-step-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .guide-step-text {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin: 0;
    }
    /* Section 5: Matrix Comparison Table */
    .matrix-table {
      width: 100%;
      border-collapse: collapse;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      background: var(--bg-card);
    }
    .matrix-table th {
      background: #191921;
      color: var(--text-main);
      font-weight: 700;
      padding: 16px 20px;
      text-align: left;
      font-size: 0.9rem;
      border-bottom: 1px solid var(--border);
    }
    .matrix-table td {
      padding: 16px 20px;
      color: var(--text-muted);
      font-size: 0.9rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    .matrix-table tr:last-child td {
      border-bottom: none;
    }
    .matrix-tag-ok {
      color: var(--accent);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    /* Section 6: FAQ Accordion */
    .faq-panel {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
    }
    .faq-question {
      padding: 20px 24px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--text-main);
      background: transparent;
      border: none;
      width: 100%;
      text-align: left;
    }
    .faq-question i {
      color: var(--accent);
      transition: transform 0.3s ease;
    }
    .faq-answer {
      padding: 0 24px 20px 24px;
      color: var(--text-muted);
      font-size: 0.93rem;
      line-height: 1.7;
    }
    /* Section 7: Compact CTA */
    .cat-cta-banner {
      background: linear-gradient(135deg, rgba(20, 20, 24, 0.95), rgba(11, 11, 14, 0.98)),
                  url('/assets/images/4730237149c32ab7.webp') center/cover no-repeat;
      border: 1px solid rgba(0, 240, 160, 0.3);
      box-shadow: 0 16px 40px rgba(0, 240, 160, 0.05);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      text-align: center;
    }
    .cat-cta-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
    }
    .cat-cta-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto 30px auto;
    }
    /* Footer */
    .site-footer {
      background-color: #08080a;
      border-top: 1px solid var(--border);
      padding: 70px 0 30px 0;
    }
    .footer-col h5 {
      color: var(--text-main);
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 20px;
      letter-spacing: 0.04em;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 12px;
      font-size: 0.88rem;
    }
    .footer-links li a {
      color: var(--text-dim);
    }
    .footer-links li a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      border-top: 1px solid var(--border);
      margin-top: 50px;
      padding-top: 30px;
      font-size: 0.82rem;
      color: var(--text-dim);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }
    @media (max-width: 1024px) {
      .hero-h1, .cat-h1 { font-size: 2.2rem; }
      .nav-links { display: none; }
    }
    @media (max-width: 640px) {
      .cat-h1 { font-size: 1.85rem; }
      .section-title { font-size: 1.6rem; }
      .cat-cta-banner { padding: 36px 20px; }
      .cat-cta-title { font-size: 1.65rem; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }
