:root { --primary: rgb(26,115,232); --primary-hover: rgba(26,115,232, 0.85); --primary-light: rgba(26,115,232, 0.08); --text-dark: #1a1f36; --text-main: #3c4257; --text-muted: #697386; --bg-body: #f7f9fc; --bg-white: #ffffff; --border-color: #e3e8ee; --shadow-sm: 0 2px 4px rgba(0,0,0,0.04); --shadow-md: 0 4px 12px rgba(0,0,0,0.08); --radius-md: 8px; --container: 1200px; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: -apple-system, sans-serif; background-color: var(--bg-body); color: var(--text-main); line-height: 1.6; }
        a { text-decoration: none; color: inherit; transition: all 0.3s; }
        ul, li { list-style: none; }
        img { max-width: 100%; display: block; height: auto; }
        .container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
        
        .header { background: var(--bg-white); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
        .logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
        .logo img { display: block; height: 36px; width: auto; max-width: 160px; object-fit: contain; flex-shrink: 0; }
        .logo span { display: inline-block; font-size: 20px; font-weight: 800; line-height: 1; color: var(--text-dark); white-space: nowrap; }
        .nav-desktop { display: flex; gap: 30px; align-items: center; }
        .nav-desktop a { font-weight: 500; font-size: 15px; padding: 8px 0; position: relative; }
        .nav-desktop a:hover { color: var(--primary); }
        .header-actions { display: flex; gap: 16px; }
        .btn { padding: 10px 24px; border-radius: var(--radius-md); font-weight: 600; cursor: pointer; font-size: 15px; display: inline-flex; align-items: center; }
        .btn-primary { background: var(--primary); color: #fff; border: 1px solid var(--primary); }
        .menu-toggle { display: none; background: none; border: none; cursor: pointer; }
        .menu-toggle svg { width: 24px; height: 24px; fill: var(--text-dark); }
        
        .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 999; opacity: 0; visibility: hidden; }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .drawer { position: fixed; top: 0; left: -320px; width: 280px; height: 100%; background: var(--bg-white); z-index: 1000; transition: transform 0.4s; display: flex; flex-direction: column; }
        .drawer.active { transform: translateX(320px); }
        .drawer-header { padding: 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; }
        .drawer-close { background: var(--primary-light); border: none; width: 32px; height: 32px; border-radius: 50%; color: var(--primary); cursor: pointer; }
        .drawer-body { padding: 20px 0; overflow-y: auto; flex: 1; }
        .drawer-nav a { display: block; padding: 15px 24px; border-bottom: 1px solid var(--border-color); font-weight: 500; }
        .drawer-footer { padding: 20px; border-top: 1px solid var(--border-color); }

        
        .article-wrap { padding: 40px 0; }
        .breadcrumb { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }
        .breadcrumb a { color: var(--primary); }
        
        .article-layout { display: grid; grid-template-columns: 1fr 340px; gap: 40px; }
        .article-main { background: var(--bg-white); padding: 40px; border-radius: var(--radius-md); border: 1px solid var(--border-color); box-shadow: var(--shadow-sm); }
        
        .art-header { border-bottom: 1px solid var(--border-color); padding-bottom: 24px; margin-bottom: 30px; }
        .art-title { font-size: 32px; font-weight: 800; color: var(--text-dark); line-height: 1.4; margin-bottom: 16px; }
        .art-meta { display: flex; flex-wrap: wrap; gap: 20px; font-size: 14px; color: var(--text-muted); }
        .art-meta span { display: inline-flex; align-items: center; gap: 6px; }
        
        .art-summary { background: #f8fafc; padding: 20px; border-left: 4px solid var(--primary); border-radius: 4px; color: var(--text-muted); font-size: 16px; margin-bottom: 30px; line-height: 1.8; }
        
        .art-content { font-size: 17px; line-height: 2; color: #334155; }
        .art-content h2, .art-content h3 { color: var(--text-dark); margin: 30px 0 16px; font-weight: 700; }
        .art-content p { margin-bottom: 20px; }
        .art-content img { border-radius: 8px; margin: 20px auto; }
        
        .art-tags { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border-color); }
        .art-tags span { margin-right: 10px; font-weight: bold; color: var(--text-dark); }
        .art-tags a { display: inline-block; padding: 6px 14px; background: var(--bg-body); border: 1px solid var(--border-color); border-radius: 20px; font-size: 14px; color: var(--text-muted); margin-right: 8px; margin-bottom: 8px; }
        .art-tags a:hover { background: var(--primary-light); color: var(--primary); border-color: var(--primary); }

        .art-nav { display: flex; justify-content: space-between; margin-top: 40px; gap: 20px; }
        .art-nav a { flex: 1; padding: 20px; background: var(--bg-body); border-radius: var(--radius-md); border: 1px solid var(--border-color); font-size: 15px; color: var(--text-dark); font-weight: 600; display: block; }
        .art-nav a:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
        .nav-label { font-size: 12px; color: var(--text-muted); display: block; margin-bottom: 8px; font-weight: normal; }

        .related-sec { margin-top: 40px; }
        .related-title { font-size: 20px; font-weight: 700; margin-bottom: 20px; color: var(--text-dark); }
        .related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
        .rel-card { display: flex; gap: 16px; align-items: center; background: var(--bg-white); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 12px; transition: all 0.3s; }
        .rel-card:hover { border-color: var(--primary-light); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
        .rel-img { width: 100px; height: 70px; border-radius: 4px; object-fit: cover; flex-shrink: 0; background:#e2e8f0; }
        .rel-info h4 { font-size: 14px; font-weight: 600; margin-bottom: 6px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .rel-info span { font-size: 12px; color: var(--text-muted); }

        .sidebar-widget { background: var(--bg-white); border-radius: var(--radius-md); padding: 24px; border: 1px solid var(--border-color); margin-bottom: 24px; }
        .widget-title { font-size: 18px; font-weight: 700; color: var(--text-dark); margin-bottom: 20px; padding-left: 12px; border-left: 4px solid var(--primary); line-height: 1.2; }
        .market-list li { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px dashed var(--border-color); }
        .market-list li:last-child { border-bottom: none; }

        .footer { background: #0b1120; color: #94a3b8; padding: 60px 0 20px; font-size: 14px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
        .footer-logo .logo span { color: #fff; }
        .footer-desc { margin-top: 20px; line-height: 1.8; padding-right: 20px; }
        .footer-title { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 24px; position: relative; padding-bottom: 10px; }
        .footer-title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--primary); }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a:hover { color: #fff; }
        .footer-bottom { text-align: center; padding-top: 24px; border-top: 1px solid #1e293b; }

        @media (max-width: 992px) { .article-layout { grid-template-columns: 1fr; } .article-main { padding: 24px; } }
        @media (max-width: 768px) { .nav-desktop, .header-actions { display: none; } .menu-toggle { display: block; } .related-grid, .footer-grid { grid-template-columns: 1fr; } .art-title { font-size: 24px; } .art-nav { flex-direction: column; } }