:root {
            --primary: #1D7BFF;
            --primary-hover: #0056C6;
            --bg-dark: #0A192F;
            --bg-light: #F8FAFC;
            --border-color: rgb(223,230,233);
            --text-main: #0F172A;
            --text-muted: #475569;
            --glass-bg: rgba(255, 255, 255, 0.85);
            --glass-border: rgba(223, 230, 233, 0.7);
            --shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: var(--bg-light); color: var(--text-main); line-height: 1.6; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        
        header { background: var(--glass-bg); backdrop-filter: blur(12px); border-bottom: 1px solid var(--glass-border); position: fixed; top: 0; left: 0; width: 100%; z-index: 100; }
        .header-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
        .logo { display: inline-flex; align-items: center; gap: 12px; }
        .logo img { height: 40px; width: auto; max-width: 160px; object-fit: contain; }
        .logo span { font-size: 18px; font-weight: 800; color: var(--bg-dark); }
        nav.nav-desktop { display: flex; align-items: center; gap: 32px; }
        nav.nav-desktop a { font-size: 15px; font-weight: 500; color: var(--text-muted); padding: 8px 0; }
        nav.nav-desktop a:hover { color: var(--primary); }
        .header-actions { display: flex; align-items: center; gap: 16px; }
        .btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 24px; font-size: 14px; font-weight: 600; border-radius: 8px; border: none; cursor: pointer; transition: var(--transition); }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
        .menu-toggle { display: none; flex-direction: column; gap: 6px; background: none; border: none; cursor: pointer; }

        .drawer { position: fixed; top: 0; left: -100%; width: 300px; height: 100%; background: #fff; z-index: 150; box-shadow: 10px 0 30px rgba(0,0,0,0.1); transition: left 0.4s; display: flex; flex-direction: column; padding: 30px 24px; }
        .drawer.active { left: 0; }
        .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(10, 25, 47, 0.4); backdrop-filter: blur(4px); z-index: 140; opacity: 0; visibility: hidden; transition: var(--transition); }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
        .drawer-close { background: none; border: none; font-size: 24px; cursor: pointer; }

        
        .page-hero { padding: 120px 0 60px; background: radial-gradient(circle at top, rgba(29, 123, 255, 0.08) 0%, rgba(248, 250, 252, 1) 100%); border-bottom: 1px solid var(--border-color); }
        .breadcrumbs { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; }
        .breadcrumbs a { margin-right: 8px; }
        .breadcrumbs a::after { content: '/'; margin-left: 8px; color: var(--border-color); }

        .article-header h1 { font-size: 36px; font-weight: 800; color: var(--bg-dark); line-height: 1.3; margin-bottom: 24px; }
        .article-meta-info { display: flex; align-items: center; gap: 24px; font-size: 14px; color: var(--text-muted); border-bottom: 1px solid var(--border-color); padding-bottom: 20px; }
        .article-meta-info span { display: inline-flex; align-items: center; gap: 6px; }

        .article-container { display: grid; grid-template-columns: 8fr 4fr; gap: 40px; padding: 60px 0; }
        .article-main { background: #fff; border: 1px solid var(--border-color); border-radius: 20px; padding: 40px; }
        
        
        .article-body-content { font-size: 16px; color: var(--text-main); line-height: 1.8; margin-bottom: 40px; }
        .article-body-content p { margin-bottom: 24px; }
        .article-body-content img { border-radius: 12px; margin: 24px 0; width: 100%; height: auto; }
        .article-body-content h2 { font-size: 22px; font-weight: 700; color: var(--bg-dark); margin: 36px 0 18px; border-left: 4px solid var(--primary); padding-left: 12px; }

        .article-tag-links { display: flex; gap: 10px; margin-bottom: 30px; }
        .article-tag-links a { background: rgba(29,123,255,0.08); color: var(--primary); font-size: 13px; font-weight: 600; padding: 4px 12px; border-radius: 6px; }

        .prev-next-links { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; border-top: 1px solid var(--border-color); padding-top: 30px; }
        .pn-card { display: flex; flex-direction: column; }
        .pn-label { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; text-transform: uppercase; }
        .pn-title { font-size: 14px; font-weight: 700; color: var(--bg-dark); }

        
        .sidebar { display: flex; flex-direction: column; gap: 30px; }
        .widget { background: #fff; border: 1px solid var(--border-color); border-radius: 16px; padding: 24px; }
        .widget-title { font-size: 16px; font-weight: 700; color: var(--bg-dark); border-left: 4px solid var(--primary); padding-left: 12px; margin-bottom: 20px; }

        
        footer { background: #0A1120; color: rgba(255, 255, 255, 0.6); padding: 80px 0 30px; border-top: 1px solid rgba(255, 255, 255, 0.05); }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 60px; }
        .footer-brand .logo span { color: #fff; }
        .footer-brand p { margin-top: 20px; font-size: 14px; }
        .footer-title { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 24px; }
        .footer-links { list-style: none; }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a:hover { color: var(--primary); padding-left: 4px; }
        .footer-contact p { font-size: 14px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
        .footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.05); padding-top: 30px; display: flex; align-items: center; justify-content: space-between; font-size: 13px; }

        @media (max-width: 992px) {
            .article-container { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            nav.nav-desktop, .header-actions .btn-outline { display: none; }
            .menu-toggle { display: flex; }
            .article-main { padding: 24px; }
            .article-header h1 { font-size: 26px; }
            .prev-next-links { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
        }