:root {
      --primary-color: rgb(3,105,161);
      --bg-dark: #0a0f1d;
      --bg-card: #131c35;
      --glacier-blue: #0ea5e9;
      --silver-white: #f1f5f9;
      --deep-sea: #0f172a;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --border-color: rgba(14, 165, 233, 0.2);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background-color: var(--bg-dark); color: var(--text-main); line-height: 1.8; }
    a { color: inherit; text-decoration: none; transition: all 0.3s; }
    
    header {
      background-color: rgba(10, 15, 29, 0.9);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      position: fixed;
      top: 0;
      width: 100%;
      z-index: 1000;
    }
    .nav-container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; }
    .logo { display: inline-flex; align-items: center; gap: 12px; }
    .logo img { height: 40px; width: auto; max-width: 160px; object-fit: contain; }
    .logo span { font-size: 20px; font-weight: 800; background: linear-gradient(135deg, var(--silver-white), var(--glacier-blue)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
    .nav-links { display: flex; gap: 24px; align-items: center; }
    .nav-links a { font-size: 15px; color: var(--text-muted); }
    .nav-links a:hover { color: var(--glacier-blue); }
    .nav-btn { background: linear-gradient(135deg, var(--primary-color), var(--glacier-blue)); color: white; padding: 8px 20px; border-radius: 999px; font-weight: 600; font-size: 14px; }
    .menu-toggle { display: none; background: none; border: none; color: var(--text-main); font-size: 24px; cursor: pointer; }

    
    .mobile-drawer { position: fixed; top: 0; left: -100%; width: 100%; height: 100%; z-index: 2000; transition: left 0.4s ease; }
    .mobile-drawer.active { left: 0; }
    .drawer-backdrop { position: absolute; width: 100%; height: 100%; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); }
    .drawer-content { position: absolute; top: 0; left: 0; width: 280px; height: 100%; background: var(--bg-dark); border-right: 1px solid var(--border-color); padding: 24px; display: flex; flex-direction: column; gap: 32px; }
    .drawer-header { display: flex; justify-content: space-between; align-items: center; }
    .close-drawer { background: none; border: none; color: var(--text-main); font-size: 28px; cursor: pointer; }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; }

    .article-wrap {
      max-width: 900px;
      margin: 140px auto 60px;
      padding: 0 24px;
    }
    .breadcrumbs { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }
    .breadcrumbs a:hover { color: var(--glacier-blue); }

    .article-header { margin-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.05); padding-bottom: 30px; }
    .article-header h1 { font-size: 36px; font-weight: 800; color: var(--silver-white); margin-bottom: 20px; line-height: 1.4; }
    
    .meta-bar { display: flex; flex-wrap: wrap; gap: 20px; font-size: 14px; color: var(--text-muted); }
    .meta-bar span { display: flex; align-items: center; gap: 6px; }

    .article-featured-img { width: 100%; border-radius: 12px; margin-bottom: 40px; }

    .article-body-content { font-size: 16px; color: var(--silver-white); }
    .article-body-content p { margin-bottom: 24px; }
    .article-body-content h2, .article-body-content h3 { color: var(--glacier-blue); margin: 40px 0 20px; }

    .article-tags-links { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.05); }
    .tag-link-item { font-size: 12px; background: rgba(14, 165, 233, 0.1); color: var(--glacier-blue); padding: 4px 12px; border-radius: 6px; }

    
    .prev-next-links {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin: 60px 0;
      border-top: 1px solid rgba(255,255,255,0.05);
      border-bottom: 1px solid rgba(255,255,255,0.05);
      padding: 30px 0;
    }
    .p-link-box { display: flex; flex-direction: column; }
    .p-link-box .label { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
    .p-link-box a { font-size: 15px; color: var(--silver-white); font-weight: 600; }
    .p-link-box a:hover { color: var(--glacier-blue); }

    
    .related-section { margin-bottom: 100px; }
    .related-title { font-size: 24px; color: var(--silver-white); margin-bottom: 24px; }
    .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .related-card { background: var(--bg-card); border-radius: 8px; overflow: hidden; display: flex; flex-direction: column; border: 1px solid rgba(255,255,255,0.05); }
    .related-card-img { height: 140px; background: #1e293b; }
    .related-card-img img { width: 100%; height: 100%; object-fit: cover; }
    .related-card-body { padding: 16px; flex-grow: 1; display: flex; flex-direction: column; justify-content: space-between; }
    .related-card-body h5 { font-size: 15px; margin-bottom: 10px; color: var(--silver-white); line-height: 1.4; }
    .related-card-body a { color: var(--glacier-blue); font-size: 13px; font-weight: 600; }

    
    footer { background-color: var(--deep-sea); border-top: 1px solid var(--border-color); padding: 80px 24px 40px; }
    .footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 40px; margin-bottom: 60px; }
    .footer-brand p { color: var(--text-muted); font-size: 14px; margin-top: 16px; max-width: 300px; }
    .footer-links-group h4 { font-size: 16px; color: var(--silver-white); margin-bottom: 24px; }
    .footer-links-group ul { list-style: none; }
    .footer-links-group ul li { margin-bottom: 12px; }
    .footer-links-group ul li a { font-size: 14px; color: var(--text-muted); }
    .footer-links-group ul li a:hover { color: var(--glacier-blue); }
    .footer-bottom { max-width: 1200px; margin: 0 auto; border-top: 1px solid rgba(255,255,255,0.05); padding-top: 30px; display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--text-muted); }

    @media (max-width: 768px) {
      .menu-toggle { display: block; }
      .nav-links { display: none; }
      .related-grid { grid-template-columns: 1fr; }
      .prev-next-links { grid-template-columns: 1fr; }
      .footer-container { grid-template-columns: 1fr; }
    }