:root {
      --primary: #1D7BFF;
      --secondary: rgb(108,92,231);
      --dark-bg: #050a18;
      --deep-ocean: #0d1b2a;
      --silver-white: #f4f6f9;
      --text-main: #111827;
      --text-muted: #4b5563;
      --border-color: rgba(255,255,255,0.1);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, sans-serif; }
    body { background-color: #fafbfc; color: var(--text-main); line-height: 1.6; }
    a { color: inherit; text-decoration: none; transition: var(--transition); }
    .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
    .btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 28px; border-radius: 8px; font-weight: 600; cursor: pointer; transition: var(--transition); border: none; }
    .btn-primary { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; }
    .btn-outline { background: transparent; border: 1px solid var(--primary); color: var(--primary); }

    
    .logo { display: inline-flex; align-items: center; gap: 12px; }
    .logo img { display: block; height: 40px; width: auto; object-fit: contain; }
    .logo span { font-size: 20px; font-weight: 800; color: #fff; letter-spacing: -0.5px; }

    
    .site-header { background-color: rgba(5, 10, 24, 0.85); backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
    .header-container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
    .desktop-nav { display: flex; align-items: center; gap: 32px; }
    .desktop-nav a { color: #b0b8c4; font-size: 15px; font-weight: 500; }
    .desktop-nav a:hover { color: var(--primary); }
    .header-actions { display: flex; align-items: center; gap: 16px; }
    .drawer-trigger { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 6px; }

    
    .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: 998; opacity: 0; visibility: hidden; transition: var(--transition); }
    .drawer-overlay.active { opacity: 1; visibility: visible; }
    .drawer-menu { position: fixed; top: 0; left: -320px; width: 300px; height: 100%; background: var(--dark-bg); z-index: 999; padding: 32px 24px; display: flex; flex-direction: column; transition: var(--transition); border-right: 1px solid var(--border-color); }
    .drawer-menu.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; }

    
    .article-hero { background: linear-gradient(135deg, var(--dark-bg) 0%, var(--deep-ocean) 100%); color: #fff; padding: 60px 0; }
    .breadcrumb { font-size: 14px; color: #b0b8c4; display: flex; gap: 8px; margin-bottom: 20px; }
    .breadcrumb a:hover { color: var(--primary); }
    .article-hero h1 { font-size: 32px; font-weight: 800; line-height: 1.3; margin-bottom: 20px; }
    .meta-bar { display: flex; gap: 24px; font-size: 14px; color: #b0b8c4; border-top: 1px solid rgba(255,255,255,0.08); padding-top: 16px; flex-wrap: wrap; }
    .meta-bar span { display: flex; align-items: center; gap: 6px; }

    
    .article-grid { display: grid; grid-template-columns: 2.5fr 1fr; gap: 40px; padding: 60px 0; }
    
    
    .article-wrapper { background: #fff; border: 1px solid rgba(0,0,0,0.05); border-radius: 12px; padding: 40px; }
    .article-content { font-size: 16px; color: #333; line-height: 1.8; }
    .article-content p { margin-bottom: 24px; }
    .article-content h2, .article-content h3 { font-size: 22px; font-weight: 700; color: var(--dark-bg); margin: 32px 0 16px; }
    .article-content img { max-width: 100%; height: auto; border-radius: 8px; margin: 20px 0; }

    .article-tags-links { margin-top: 40px; padding-top: 20px; border-top: 1px solid #f1f5f9; font-size: 14px; color: var(--text-muted); }
    .article-tags-links a { display: inline-block; padding: 4px 12px; background: #f1f5f9; border-radius: 4px; margin-left: 8px; color: var(--primary); }

    
    .prev-next-nav { display: flex; justify-content: space-between; gap: 20px; margin-top: 40px; border-top: 1px solid #f1f5f9; padding-top: 24px; }
    .nav-box { flex: 1; background: #f8fafc; padding: 16px; border-radius: 8px; border: 1px solid #e2e8f0; }
    .nav-box span { font-size: 12px; color: var(--text-muted); display: block; margin-bottom: 4px; }
    .nav-box a { font-size: 14px; font-weight: 600; color: var(--text-main); }
    .nav-box a:hover { color: var(--primary); }

    
    .related-section { margin-top: 60px; }
    .related-title { font-size: 20px; font-weight: 800; margin-bottom: 24px; color: var(--dark-bg); }
    .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .related-card { background: #fff; border: 1px solid rgba(0,0,0,0.06); border-radius: 8px; overflow: hidden; display: flex; flex-direction: column; }
    .related-card-img { height: 140px; background-size: cover; background-position: center; }
    .related-card-body { padding: 16px; flex-grow: 1; display: flex; flex-direction: column; justify-content: space-between; }
    .related-card-title { font-size: 14px; font-weight: 700; line-height: 1.4; margin-bottom: 12px; }

    
    .sidebar { display: flex; flex-direction: column; gap: 32px; }
    .widget { background: #fff; border-radius: 12px; border: 1px solid rgba(0,0,0,0.06); padding: 24px; }
    .widget-title { font-size: 16px; font-weight: 700; color: var(--text-main); margin-bottom: 16px; border-left: 3px solid var(--primary); padding-left: 12px; }

    
    .site-footer { background-color: #050a18; color: #b0b8c4; padding: 80px 0 40px; border-top: 1px solid rgba(255,255,255,0.06); }
    .footer-container { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 48px; margin-bottom: 60px; }
    .footer-brand .logo { margin-bottom: 20px; }
    .footer-brand p { font-size: 14px; line-height: 1.6; }
    .footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 24px; }
    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 12px; }
    .footer-col ul li a { font-size: 14px; }
    .footer-col ul li a:hover { color: var(--primary); }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 30px; }
    .bottom-container { display: flex; flex-direction: column; gap: 16px; }
    .bottom-container p { font-size: 12px; line-height: 1.6; }
    .risk-warning { color: #ef4444; font-weight: 500; }

    @media (max-width: 968px) {
      .article-grid { grid-template-columns: 1fr; }
      .sidebar { display: none; }
      .related-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .desktop-nav, .header-actions .btn { display: none; }
      .drawer-trigger { display: flex; }
      .article-wrapper { padding: 24px; }
      .prev-next-nav { flex-direction: column; }
      .footer-container { grid-template-columns: 1fr; }
    }