:root {
      --primary-color: rgb(94,92,230);
      --primary-hover: rgba(94,92,230,0.85);
      --primary-light: rgba(94,92,230,0.1);
      --bg-dark: #0B192C;
      --bg-light: #F5F7FA;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --max-width: 1200px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: -apple-system, BlinkMacSystemFont, sans-serif; color: var(--text-main); background-color: #FFF; line-height: 1.6; }
    a { color: inherit; text-decoration: none; }

    
    .site-header { background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 100; }
    .header-container { max-width: var(--max-width); margin: 0 auto; padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; }
    .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: 20px; font-weight: 800; color: var(--bg-dark); }
    .desktop-nav { display: flex; gap: 24px; }
    .desktop-nav a { font-size: 15px; font-weight: 500; color: var(--text-main); transition: var(--transition); }
    .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: 15px; font-weight: 600; cursor: pointer; transition: var(--transition); border: none; }
    .btn-primary { background-color: var(--primary-color); color: #FFF; }
    .mobile-menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; }
    .mobile-menu-toggle span { display: block; width: 24px; height: 2px; background-color: var(--text-main); }

    
    .mobile-drawer-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background-color: rgba(0,0,0,0.5); z-index: 199; opacity: 0; visibility: hidden; transition: var(--transition); }
    .mobile-drawer { position: fixed; top: 0; left: -300px; width: 300px; height: 100vh; background-color: #FFF; z-index: 200; display: flex; flex-direction: column; transition: var(--transition); }
    .mobile-drawer.active { left: 0; }
    .mobile-drawer-overlay.active { opacity: 1; visibility: visible; }
    .drawer-header { padding: 20px; border-bottom: 1px solid var(--border-color); display: flex; align-items: center; justify-content: space-between; }
    .drawer-close { background: none; border: none; font-size: 28px; color: var(--text-muted); }
    .drawer-body { flex: 1; overflow-y: auto; padding: 20px; }
    .drawer-nav { display: flex; flex-direction: column; gap: 16px; }
    .drawer-nav a { font-size: 16px; font-weight: 500; color: var(--text-main); padding: 8px 0; border-bottom: 1px solid rgba(0,0,0,0.03); }
    .drawer-footer { padding: 20px; border-top: 1px solid var(--border-color); }

    
    .breadcrumb-section { background-color: var(--bg-light); padding: 20px; border-bottom: 1px solid var(--border-color); }
    .breadcrumb-container { max-width: var(--max-width); margin: 0 auto; font-size: 14px; color: var(--text-muted); }
    .breadcrumb-container a { color: var(--primary-color); }

    
    .article-layout-section { padding: 60px 20px; }
    .article-layout-container { max-width: var(--max-width); margin: 0 auto; display: grid; grid-template-columns: 2.5fr 1fr; gap: 40px; }

    
    .article-main-body { background-color: #FFF; border: 1px solid var(--border-color); border-radius: 12px; padding: 40px; }
    .article-header { border-bottom: 1px solid var(--border-color); padding-bottom: 24px; margin-bottom: 30px; }
    .article-header h1 { font-size: 32px; font-weight: 800; color: var(--bg-dark); margin-bottom: 20px; line-height: 1.3; }
    .article-meta-info { display: flex; flex-wrap: wrap; gap: 20px; font-size: 14px; color: var(--text-muted); }
    .article-meta-info span { display: inline-flex; align-items: center; gap: 6px; }

    
    .article-rich-content { font-size: 16px; color: #334155; line-height: 1.8; }
    .article-rich-content p { margin-bottom: 24px; }
    .article-rich-content h2, .article-rich-content h3 { color: var(--bg-dark); margin: 36px 0 16px; font-weight: 700; }
    .article-rich-content h2 { font-size: 24px; border-left: 4px solid var(--primary-color); padding-left: 12px; }
    .article-rich-content h3 { font-size: 20px; }
    .article-rich-content img { border-radius: 8px; margin: 24px 0; box-shadow: 0 4px 12px rgba(0,0,0,0.05); }

    
    .prev-next-box { margin-top: 40px; padding-top: 30px; border-top: 1px solid var(--border-color); display: flex; justify-content: space-between; gap: 20px; font-size: 14px; }
    .prev-link, .next-link { flex: 1; padding: 16px; border: 1px solid var(--border-color); border-radius: 8px; transition: var(--transition); }
    .prev-link:hover, .next-link:hover { border-color: var(--primary-color); background-color: var(--primary-light); }
    .prev-next-box span { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
    .prev-next-box strong { display: block; color: var(--bg-dark); font-weight: 700; }

    
    .sidebar { display: flex; flex-direction: column; gap: 30px; }
    .sidebar-widget { background: #FFF; border: 1px solid var(--border-color); border-radius: 12px; padding: 24px; }
    .widget-title { font-size: 16px; font-weight: 700; color: var(--bg-dark); padding-bottom: 12px; border-bottom: 2px solid var(--primary-color); margin-bottom: 16px; }
    
    .like-articles-list { list-style: none; }
    .like-articles-list li { margin-bottom: 16px; padding-bottom: 16px; border-bottom: 1px solid rgba(0,0,0,0.04); }
    .like-articles-list li:last-child { border: none; margin-bottom: 0; padding-bottom: 0; }
    .like-item-title { font-size: 14px; font-weight: 600; line-height: 1.4; margin-bottom: 6px; }
    .like-item-meta { font-size: 11px; color: var(--text-muted); }

    
    .site-footer { background-color: var(--bg-dark); color: #94A3B8; padding: 80px 20px 30px; border-top: 1px solid rgba(255,255,255,0.05); }
    .footer-container { max-width: var(--max-width); margin: 0 auto; display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; margin-bottom: 60px; }
    .footer-brand .logo span { color: #FFF; }
    .footer-brand .brand-desc { margin-top: 20px; font-size: 14px; line-height: 1.6; }
    .footer-col h4 { color: #FFF; font-size: 16px; font-weight: 700; margin-bottom: 20px; }
    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 12px; }
    .footer-col ul li a { font-size: 14px; transition: var(--transition); }
    .footer-col ul li a:hover { color: #00E5FF; }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding-top: 30px; }
    .footer-bottom-container { max-width: var(--max-width); margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 16px; font-size: 13px; text-align: center; }
    .risk-warning { color: #64748B; font-size: 12px; max-width: 900px; line-height: 1.5; }

    @media (max-width: 1024px) {
      .article-layout-container { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .desktop-nav, .header-actions .btn { display: none; }
      .mobile-menu-toggle { display: flex; }
      .article-main-body { padding: 20px; }
      .article-header h1 { font-size: 24px; }
      .prev-next-box { flex-direction: column; }
      .footer-container { grid-template-columns: 1fr; }
    }