:root {
            --primary-color: rgb(17,24,39);
            --accent-color: #f59e0b;
            --accent-hover: #d97706;
            --text-light: #f3f4f6;
            --text-muted: #9ca3af;
            --bg-card: rgba(31, 41, 55, 0.7);
            --border-color: rgba(75, 85, 99, 0.4);
            --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--primary-color);
            color: var(--text-light);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a { color: inherit; text-decoration: none; transition: all 0.3s ease; }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            gap: 8px;
        }
        .btn-primary { background: var(--gradient-accent); color: #fff; border: none; box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3); }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5); }
        .logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
        .logo img { display: block; height: 40px; 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(--accent-color); white-space: nowrap; letter-spacing: 1px; }
        .site-header { background: rgba(17, 24, 39, 0.95); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 100; border-bottom: 1px solid var(--border-color); }
        .header-container { display: flex; align-items: center; justify-content: space-between; height: 75px; }
        .nav-desktop { display: flex; align-items: center; gap: 24px; }
        .nav-desktop a { font-size: 15px; font-weight: 500; color: var(--text-light); opacity: 0.85; position: relative; padding: 6px 0; }
        .nav-desktop a:hover, .nav-desktop a.active { opacity: 1; color: var(--accent-color); }
        .nav-desktop a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--accent-color); transition: width 0.3s ease; }
        .nav-desktop a:hover::after { width: 100%; }
        .header-actions { display: flex; align-items: center; gap: 16px; }
        .menu-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 6px; width: 30px; }
        .menu-toggle span { display: block; width: 100%; height: 3px; background-color: var(--text-light); border-radius: 2px; transition: 0.3s; }
        .drawer-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.7); z-index: 149; }
        .nav-drawer { position: fixed; top: 0; left: -280px; width: 280px; height: 100%; background: rgb(17,24,39); border-right: 1px solid var(--border-color); z-index: 150; display: flex; flex-direction: column; transition: left 0.3s ease; padding: 24px; }
        .nav-drawer.active { left: 0; }
        .drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
        .drawer-close { background: none; border: none; font-size: 28px; color: var(--text-light); cursor: pointer; }
        .nav-mobile { display: flex; flex-direction: column; gap: 20px; }
        .nav-mobile a { font-size: 16px; font-weight: 600; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
        .nav-mobile a:hover { color: var(--accent-color); }
        .drawer-footer { margin-top: auto; padding-top: 20px; }
        .site-footer { background: #0b0f19; border-top: 1px solid var(--border-color); padding: 60px 0 30px; margin-top: 80px; }
        .footer-container { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; }
        .footer-brand .footer-desc { margin-top: 16px; color: var(--text-muted); font-size: 14px; line-height: 1.8; }
        .footer-nav-col h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 20px; position: relative; padding-bottom: 8px; }
        .footer-nav-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--accent-color); }
        .footer-nav-col ul { list-style: none; }
        .footer-nav-col ul li { margin-bottom: 12px; }
        .footer-nav-col ul li a { color: var(--text-muted); font-size: 14px; }
        .footer-nav-col ul li a:hover { color: var(--accent-color); padding-left: 5px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); margin-top: 40px; padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-muted); flex-wrap: wrap; gap: 16px; }
        .page-banner { background: linear-gradient(180deg, rgba(31, 41, 55, 0.4) 0%, rgba(17, 24, 39, 1) 100%); padding: 40px 0; border-bottom: 1px solid var(--border-color); }
        .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
        .breadcrumb a:hover { color: var(--accent-color); }
        .article-layout { display: grid; grid-template-columns: 2.5fr 1fr; gap: 40px; padding: 60px 0; }
        .article-main { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 16px; padding: 40px; }
        .article-header { border-bottom: 1px solid rgba(255,255,255,0.08); padding-bottom: 24px; margin-bottom: 30px; }
        .article-title { font-size: 32px; font-weight: 800; line-height: 1.3; margin-bottom: 20px; }
        .article-meta { display: flex; flex-wrap: wrap; gap: 20px; font-size: 14px; color: var(--text-muted); }
        .article-meta span { display: flex; align-items: center; gap: 6px; }
        .article-body { font-size: 16px; line-height: 1.8; color: var(--text-light); }
        .article-body p { margin-bottom: 24px; }
        .article-body img { border-radius: 12px; margin: 30px auto; max-width: 100%; border: 1px solid var(--border-color); }
        .article-body h2 { font-size: 22px; font-weight: 700; color: var(--accent-color); margin: 40px 0 20px; }
        .article-body h3 { font-size: 18px; font-weight: 700; margin: 30px 0 16px; }
        .article-tags-wrap { margin-top: 40px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.05); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
        .tag-label { font-size: 14px; color: var(--text-muted); font-weight: 600; margin-right: 8px; }
        .article-tag { font-size: 12px; background: rgba(255,255,255,0.05); border: 1px solid var(--border-color); padding: 4px 12px; border-radius: 20px; color: var(--text-light); }
        .article-tag:hover { background: var(--accent-color); border-color: var(--accent-color); }
        .nav-prev-next { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 40px; padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.08); }
        .nav-card { background: rgba(255,255,255,0.02); border: 1px solid var(--border-color); padding: 16px; border-radius: 8px; transition: all 0.3s ease; }
        .nav-card:hover { border-color: var(--accent-color); }
        .nav-label { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
        .nav-title { font-size: 14px; font-weight: 600; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
        .sidebar { display: flex; flex-direction: column; gap: 30px; }
        .sidebar-widget { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; padding: 24px; }
        .widget-title { font-size: 18px; font-weight: 700; color: var(--accent-color); margin-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 8px; }
        .related-list { list-style: none; display: flex; flex-direction: column; gap: 16px; }
        .related-item a { font-size: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.5; }
        .related-item a:hover { color: var(--accent-color); }
        @media (max-width: 992px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-main { padding: 24px; }
        }
        @media (max-width: 768px) {
            .menu-toggle { display: flex; }
            .nav-desktop { display: none; }
            .header-actions .btn { display: none; }
            .footer-container { grid-template-columns: 1fr; }
            .nav-prev-next { grid-template-columns: 1fr; }
        }