:root {
      --primary: rgb(234, 88, 12);
      --primary-hover: rgb(215, 75, 8);
      --secondary: #1D7BFF;
      --dark-bg: #070C1E;
      --light-bg: #F8FAFC;
      --text-dark: #0F172A;
      --text-muted: #64748B;
      --text-light: #F1F5F9;
      --border-color: #E2E8F0;
      --container-width: 1200px;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: var(--text-dark);
      background-color: #fff;
      line-height: 1.6;
    }
    a { color: inherit; text-decoration: none; transition: all 0.3s ease; }
    img { max-width: 100%; height: auto; }
    .container {
      width: 100%;
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 20px;
    }
    
    
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
    }
    .header-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .logo { display: inline-flex; align-items: center; gap: 10px; }
    .logo img { height: 38px; width: auto; object-fit: contain; }
    .logo span { font-size: 20px; font-weight: 800; color: var(--text-dark); }
    .desktop-nav { display: flex; gap: 32px; }
    .desktop-nav a { font-size: 15px; font-weight: 500; color: var(--text-dark); }
    .desktop-nav a:hover { color: var(--primary); }
    .header-actions { display: flex; align-items: center; gap: 16px; }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: 6px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s ease;
      border: none;
    }
    .btn-primary { background-color: var(--primary); color: #fff; }
    .btn-primary:hover { background-color: var(--primary-hover); }
    .mobile-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
    .mobile-toggle span { display: block; width: 22px; height: 2px; background-color: var(--text-dark); }

    
    .mobile-drawer-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background: rgba(0,0,0,0.5);
      z-index: 199;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }
    .mobile-drawer-overlay.active { opacity: 1; pointer-events: auto; }
    .mobile-drawer {
      position: fixed;
      top: 0;
      left: -320px;
      width: 300px;
      height: 100vh;
      background: #fff;
      z-index: 200;
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 32px;
      transition: left 0.3s ease;
    }
    .mobile-drawer.active { left: 0; }
    .drawer-header { display: flex; align-items: center; justify-content: space-between; }
    .drawer-close { background: none; border: none; font-size: 28px; cursor: pointer; color: var(--text-muted); }
    .mobile-nav { display: flex; flex-direction: column; gap: 20px; }
    .mobile-nav a { font-size: 16px; font-weight: 500; color: var(--text-dark); }
    .drawer-footer { margin-top: auto; border-top: 1px solid var(--border-color); padding-top: 20px; }

    
    .page-header {
      background: linear-gradient(135deg, var(--dark-bg) 0%, #111827 100%);
      color: #fff;
      padding: 60px 0;
      margin-bottom: 60px;
    }
    .breadcrumbs { font-size: 13px; color: #94A3B8; margin-bottom: 12px; }
    .breadcrumbs a { color: #94A3B8; }
    .breadcrumbs a:hover { color: #fff; }
    .page-title { font-size: 32px; font-weight: 800; line-height: 1.3; }

    
    .article-wrapper {
      display: grid;
      grid-template-columns: 8.5fr 3.5fr;
      gap: 40px;
      margin-bottom: 80px;
    }
    .article-content {
      background: #fff;
    }
    .article-meta-info {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      font-size: 13px;
      color: var(--text-muted);
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 20px;
      margin-bottom: 30px;
    }
    .article-body-text {
      font-size: 16px;
      line-height: 1.8;
      color: #334155;
    }
    .article-body-text p {
      margin-bottom: 24px;
    }
    .article-body-text h2, .article-body-text h3 {
      color: var(--text-dark);
      margin: 40px 0 20px;
      font-weight: 800;
    }
    .article-body-text img {
      border-radius: 8px;
      margin: 30px 0;
      box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    }

    
    .article-tag-links {
      margin-top: 40px;
      padding-top: 20px;
      border-top: 1px solid var(--border-color);
      display: flex;
      gap: 12px;
      align-items: center;
    }
    .tag-bubble {
      font-size: 13px;
      background: #F1F5F9;
      color: var(--text-muted);
      padding: 4px 12px;
      border-radius: 20px;
    }
    .tag-bubble:hover {
      background: var(--primary);
      color: #fff;
    }

    
    .prev-next-nav {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin: 50px 0;
      padding: 24px 0;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .nav-link-box {
      display: flex;
      flex-direction: column;
    }
    .nav-link-box span {
      font-size: 11px;
      color: var(--text-muted);
      text-transform: uppercase;
      margin-bottom: 6px;
    }
    .nav-link-box a {
      font-size: 15px;
      font-weight: 700;
    }
    .nav-link-box a:hover {
      color: var(--primary);
    }

    
    .related-section {
      margin-top: 60px;
    }
    .related-title {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 24px;
    }
    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .related-card {
      border: 1px solid var(--border-color);
      border-radius: 6px;
      overflow: hidden;
    }
    .related-card-img {
      height: 130px;
      background: #F1F5F9;
    }
    .related-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .related-card-body {
      padding: 16px;
    }
    .related-card-title {
      font-size: 14px;
      font-weight: 700;
      line-height: 1.4;
    }

    
    .sidebar {
      display: flex;
      flex-direction: column;
      gap: 40px;
    }
    .sidebar-widget {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 24px;
    }
    .widget-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 20px;
      border-left: 3px solid var(--primary);
      padding-left: 10px;
    }
    .sidebar-posts {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .sidebar-post-item {
      display: flex;
      gap: 12px;
    }
    .sidebar-post-item img {
      width: 60px;
      height: 60px;
      border-radius: 4px;
      object-fit: cover;
    }
    .sidebar-post-title {
      font-size: 13px;
      font-weight: 600;
      line-height: 1.4;
    }

    
    .site-footer {
      background: #0B0F19;
      color: #94A3B8;
      border-top: 1px solid #1E293B;
      padding: 80px 0 30px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 40px;
      margin-bottom: 60px;
    }
    .footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; }
    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 12px; }
    .footer-col ul li a:hover { color: var(--primary); }
    .footer-col .logo { margin-bottom: 20px; }
    .footer-col .logo span { color: #fff; }
    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }

    @media (max-width: 991px) {
      .article-wrapper { grid-template-columns: 1fr; }
      .related-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .desktop-nav, .header-actions .btn { display: none; }
      .mobile-toggle { display: flex; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 20px; text-align: center; }
    }