:root {
      --primary-color: #1D7BFF;
      --accent-color: rgb(139,92,246);
      --accent-gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
      --bg-dark: #0A0F1D;
      --bg-card-dark: #121826;
      --text-light: #F3F4F6;
      --text-muted: #9CA3AF;
      --border-dark: rgba(255, 255, 255, 0.08);
      --bg-light: #F8FAFC;
      --text-dark: #0F172A;
      --border-light: #E2E8F0;
      --card-shadow: 0 10px 30px -10px rgba(0,0,0,0.3);
      --container-width: 1200px;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      background-color: var(--bg-light);
      color: var(--text-dark);
      line-height: 1.8;
    }
    a { color: inherit; text-decoration: none; transition: all 0.3s ease; }
    .container { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }

    
    .site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 100; background: rgba(10, 15, 29, 0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-dark); color: var(--text-light); }
    .header-container { display: flex; align-items: center; justify-content: space-between; height: 72px; max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
    .logo { display: inline-flex; align-items: center; gap: 12px; }
    .logo img { display: block; height: 36px; width: auto; max-width: 160px; object-fit: contain; flex-shrink: 0; }
    .logo span { display: inline-block; font-size: 18px; font-weight: 800; line-height: 1; color: var(--text-light); white-space: nowrap; }
    .desktop-nav { display: flex; align-items: center; gap: 32px; }
    .desktop-nav a { font-size: 15px; font-weight: 500; color: var(--text-muted); }
    .desktop-nav a:hover { color: var(--primary-color); }
    .header-actions { display: flex; align-items: center; gap: 16px; }
    .btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 20px; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; transition: all 0.3s; border: none; }
    .btn-primary { background: var(--accent-gradient); color: #fff; }
    .mobile-menu-toggle { display: none; flex-direction: column; gap: 6px; background: none; border: none; cursor: pointer; }
    .mobile-menu-toggle span { display: block; width: 24px; height: 2px; background-color: var(--text-light); }
    
    .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(4px); z-index: 199; opacity: 0; visibility: hidden; transition: all 0.3s; }
    .drawer-overlay.active { opacity: 1; visibility: visible; }
    .drawer-navigation { position: fixed; top: 0; left: -300px; width: 300px; height: 100%; background: var(--bg-dark); border-right: 1px solid var(--border-dark); z-index: 200; display: flex; flex-direction: column; transition: all 0.3s; }
    .drawer-navigation.active { left: 0; }
    .drawer-header { display: flex; align-items: center; justify-content: space-between; padding: 20px; border-bottom: 1px solid var(--border-dark); color: var(--text-light); }
    .drawer-close { background: none; border: none; color: var(--text-light); font-size: 28px; cursor: pointer; }
    .drawer-body { flex: 1; overflow-y: auto; padding: 30px 20px; }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; }
    .drawer-nav a { font-size: 16px; font-weight: 500; color: var(--text-muted); padding: 10px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.03); }
    .drawer-footer { padding: 20px; border-top: 1px solid var(--border-dark); text-align: center; }

    
    .article-main-container { padding: 120px 0 80px; }
    .breadcrumb { font-size: 14px; color: var(--text-muted); margin-bottom: 30px; }
    .breadcrumb a:hover { color: var(--primary-color); }
    
    .article-wrap { display: grid; grid-template-columns: 2.5fr 1fr; gap: 40px; }
    .article-content-card { background: #fff; border: 1px solid var(--border-light); border-radius: 16px; padding: 40px; }

    .article-header h1 { font-size: clamp(24px, 4vw, 36px); line-height: 1.3; margin-bottom: 24px; color: var(--text-dark); }
    .article-meta-info { display: flex; flex-wrap: wrap; gap: 20px; border-bottom: 1px solid var(--border-light); padding-bottom: 24px; margin-bottom: 30px; font-size: 14px; color: var(--text-muted); }
    
    .article-body-text { font-size: 16px; color: #334155; }
    .article-body-text p { margin-bottom: 24px; }
    .article-body-text h2, .article-body-text h3 { color: var(--text-dark); margin: 36px 0 16px; }

    
    .prev-next-posts { border-top: 1px solid var(--border-light); padding: 30px 0; margin-top: 40px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .prev-post, .next-post { font-size: 14px; color: var(--text-muted); }
    .prev-post a, .next-post a { font-size: 16px; font-weight: 600; color: var(--text-dark); display: block; margin-top: 6px; }
    .prev-post a:hover, .next-post a:hover { color: var(--primary-color); }

    
    .related-posts { margin-top: 50px; }
    .related-posts h4 { font-size: 20px; margin-bottom: 24px; }
    .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .related-card { background: #fff; border: 1px solid var(--border-light); border-radius: 8px; overflow: hidden; }
    .related-card img { width: 100%; height: 140px; object-fit: cover; }
    .related-card-body { padding: 16px; }
    .related-card-body h5 { font-size: 14px; line-height: 1.4; margin-bottom: 8px; }
    .related-card-body h5 a:hover { color: var(--primary-color); }
    .related-card-body span { font-size: 11px; color: var(--text-muted); }

    
    .sidebar { display: flex; flex-direction: column; gap: 40px; }
    .widget { background: #fff; border: 1px solid var(--border-light); border-radius: 12px; padding: 24px; }
    .widget-title { font-size: 16px; font-weight: 700; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--primary-color); }
    
    .hot-posts-list { list-style: none; display: flex; flex-direction: column; gap: 15px; }
    .hot-post-item { display: flex; gap: 12px; align-items: center; }
    .hot-post-item img { width: 60px; height: 60px; object-fit: cover; border-radius: 6px; }
    .hot-post-info h5 { font-size: 13px; line-height: 1.4; font-weight: 600; margin-bottom: 4px; }
    .hot-post-info span { font-size: 11px; color: var(--text-muted); }

    
    .site-footer { background-color: #070B14; color: var(--text-muted); border-top: 1px solid var(--border-dark); padding: 80px 0 30px; }
    .footer-container { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 50px; max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
    .footer-brand .logo { margin-bottom: 20px; }
    .brand-desc { font-size: 14px; line-height: 1.6; margin-bottom: 24px; }
    .social-links { display: flex; flex-direction: column; gap: 10px; }
    .social-icon { font-size: 13px; color: var(--text-light); display: flex; align-items: center; gap: 8px; }
    .footer-links-group h4 { color: var(--text-light); font-size: 16px; 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; }
    .footer-links-group ul li a:hover { color: var(--primary-color); }
    .compliance-text { font-size: 12px; line-height: 1.8; color: #52617a; }
    .footer-bottom { border-top: 1px solid var(--border-dark); padding-top: 30px; margin-top: 60px; text-align: center; font-size: 12px; }

    @media (max-width: 992px) {
      .desktop-nav { display: none; }
      .mobile-menu-toggle { display: flex; }
      .article-wrap { grid-template-columns: 1fr; }
      .footer-container { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .prev-next-posts, .related-grid { grid-template-columns: 1fr; }
      .footer-container { grid-template-columns: 1fr; }
    }