:root {
      --primary-color: rgb(255,149,0);
      --primary-hover: rgb(230,135,0);
      --primary-light: rgba(255,149,0,0.1);
      --bg-dark: #0A1128;
      --bg-deep: #050B1A;
      --glacier-blue: #1D7BFF;
      --glacier-light: #E0F2FE;
      --silver-white: #F8FAFC;
      --text-main: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: var(--font-family); background-color: var(--silver-white); color: var(--text-main); line-height: 1.6; }
    a { color: inherit; text-decoration: none; transition: all 0.3s ease; }

    
    .site-header { background: rgba(10, 17, 40, 0.95); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 100; border-bottom: 1px solid rgba(255,255,255,0.05); }
    .header-container { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 15px 20px; }
    .logo { display: inline-flex; align-items: center; gap: 12px; }
    .logo img { display: block; height: 40px; width: auto; max-width: 160px; object-fit: contain; }
    .logo span { display: inline-block; font-size: 18px; font-weight: 800; color: #fff; }
    .desktop-nav { display: flex; align-items: center; gap: 30px; }
    .desktop-nav a { color: rgba(255,255,255,0.8); font-size: 15px; font-weight: 500; }
    .desktop-nav a:hover { color: var(--primary-color); }
    .header-actions { display: flex; align-items: center; gap: 15px; }
    .btn-login-shortcut { background: var(--primary-color); color: #fff !important; padding: 8px 20px; border-radius: 6px; font-size: 14px; font-weight: 600; }
    .menu-toggle { display: none; background: none; border: none; color: #fff; font-size: 24px; cursor: pointer; }

    
    .mobile-drawer { position: fixed; top: 0; left: -280px; width: 280px; height: 100vh; background: var(--bg-dark); z-index: 1000; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); display: flex; flex-direction: column; padding: 25px; }
    .mobile-drawer.active { left: 0; }
    .drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
    .drawer-close { background: none; border: none; color: #fff; font-size: 28px; cursor: pointer; }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; }
    .drawer-nav a { color: #fff; font-size: 16px; font-weight: 500; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
    .drawer-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.6); z-index: 999; display: none; }
    .drawer-overlay.active { display: block; }

    
    .breadcrumbs { background: #fff; padding: 15px 20px; border-bottom: 1px solid var(--border-color); }
    .breadcrumbs-container { max-width: 1200px; margin: 0 auto; font-size: 14px; color: var(--text-muted); }
    .breadcrumbs-container a:hover { color: var(--primary-color); }

    
    .article-wrapper { max-width: 1200px; margin: 50px auto; padding: 0 20px; display: grid; grid-template-columns: 8fr 4fr; gap: 40px; }
    
    .article-main { background: #fff; border-radius: 12px; border: 1px solid var(--border-color); padding: 45px; }
    .article-header { border-bottom: 1px solid var(--border-color); padding-bottom: 30px; margin-bottom: 35px; }
    .article-meta { font-size: 13px; color: var(--text-muted); display: flex; gap: 20px; margin-bottom: 15px; }
    .article-title { font-size: 30px; font-weight: 800; color: var(--bg-dark); line-height: 1.35; margin-bottom: 15px; }
    
    .article-content { font-size: 16px; color: var(--text-main); line-height: 1.8; }
    .article-content p { margin-bottom: 25px; }
    .article-content img { max-width: 100%; border-radius: 8px; margin: 25px 0; }
    .article-content h2, .article-content h3 { font-size: 20px; font-weight: 700; color: var(--bg-dark); margin: 35px 0 20px; border-left: 4px solid var(--primary-color); padding-left: 12px; }

    
    .prev-next { border-top: 1px solid var(--border-color); padding-top: 30px; margin-top: 50px; display: flex; justify-content: space-between; gap: 20px; }
    .prev-next a { max-width: 48%; }
    .pn-label { font-size: 11px; text-transform: uppercase; color: var(--text-muted); display: block; margin-bottom: 5px; }
    .pn-title { font-size: 14px; font-weight: 700; color: var(--bg-dark); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

    
    .sidebar { display: flex; flex-direction: column; gap: 40px; }
    .widget { background: #fff; border-radius: 12px; border: 1px solid var(--border-color); padding: 30px; }
    .widget-title { font-size: 18px; font-weight: 700; color: var(--bg-dark); margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--primary-color); }
    
    .related-list { list-style: none; display: flex; flex-direction: column; gap: 15px; }
    .related-link { font-size: 14px; font-weight: 600; color: var(--bg-dark); line-height: 1.4; display: block; }
    .related-link:hover { color: var(--primary-color); }

    
    .site-footer { background: var(--bg-deep); color: #94A3B8; padding: 80px 20px 30px; font-size: 14px; border-top: 1px solid rgba(255,255,255,0.05); }
    .footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 40px; margin-bottom: 60px; }
    .footer-about { padding-right: 40px; }
    .footer-about .logo { margin-bottom: 20px; }
    .footer-about p { line-height: 1.6; margin-bottom: 20px; }
    .footer-title { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 25px; }
    .footer-links { list-style: none; }
    .footer-links li { margin-bottom: 12px; }
    .footer-bottom { max-width: 1200px; margin: 0 auto; padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.05); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
    .footer-disclaimer { max-width: 1200px; margin: 20px auto 0; padding: 20px 0; border-top: 1px solid rgba(255,255,255,0.05); font-size: 11px; line-height: 1.8; color: #475569; }

    @media (max-width: 992px) {
      .article-wrapper { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .desktop-nav { display: none; }
      .menu-toggle { display: block; }
      .article-main { padding: 30px 20px; }
    }