:root { --primary: rgb(139,92,246); --primary-dark: rgb(109, 40, 217); --primary-light: rgba(139,92,246, 0.1); --text-main: #111827; --text-muted: #6b7280; --bg-body: #f9fafb; --bg-white: #ffffff; --border-color: #e5e7eb; --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05); --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1); }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: -apple-system, sans-serif; background: var(--bg-body); color: var(--text-main); line-height: 1.6; padding-top: 70px; }
        a { text-decoration: none; color: inherit; transition: 0.3s; }
        img { max-width: 100%; height: auto; display: block; }
        ul { list-style: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        
        .header { background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); position: fixed; top: 0; width: 100%; z-index: 100; border-bottom: 1px solid var(--border-color); }
        .header-inner { display: flex; justify-content: space-between; align-items: center; height: 70px; }
        .logo { display: inline-flex; align-items: center; gap: 12px; }
        .logo img { height: 36px; max-width: 150px; object-fit: contain; }
        .logo span { font-size: 20px; font-weight: 800; color: var(--primary-dark); }
        .desktop-nav { display: none; }
        @media (min-width: 992px) { .desktop-nav { display: flex; align-items: center; gap: 30px; } .desktop-nav ul { display: flex; gap: 24px; } .desktop-nav a { font-weight: 500; } .desktop-nav a:hover { color: var(--primary); } .btn-primary { background: var(--primary); color: white !important; padding: 8px 20px; border-radius: 6px; font-weight: 600; } }
        .mobile-menu-btn { display: block; width: 24px; height: 24px; cursor: pointer; }
        .mobile-menu-btn span { display: block; width: 100%; height: 2px; background: var(--text-main); margin-bottom: 5px; }
        @media (min-width: 992px) { .mobile-menu-btn { display: none; } }
        .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 1000; opacity: 0; visibility: hidden; transition: 0.3s; }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .drawer { position: fixed; top: 0; left: -280px; width: 280px; height: 100%; background: var(--bg-white); z-index: 1001; transition: 0.3s; display: flex; flex-direction: column; }
        .drawer.active { left: 0; }
        .drawer-header { padding: 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
        .drawer-close { font-size: 24px; color: var(--text-muted); cursor: pointer; }
        .drawer-nav { padding: 20px; overflow-y: auto; flex: 1; }
        .drawer-nav li { margin-bottom: 15px; }
        .drawer-nav a { display: block; font-weight: 500; padding: 10px; border-radius: 6px; }
        
        .footer { background: #111827; color: #9ca3af; padding: 60px 0 30px; margin-top: 60px;}
        .footer-grid { display: grid; grid-template-columns: 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .logo span { color: white; }
        .footer-links h4 { color: white; font-weight: 600; margin-bottom: 20px; }
        .footer-links ul { display: flex; flex-direction: column; gap: 10px; }
        .footer-bottom { border-top: 1px solid #374151; padding-top: 30px; display: flex; flex-direction: column; align-items: center; gap: 15px; font-size: 14px; }
        .footer-utils { display: flex; gap: 15px; }
        @media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } .footer-bottom { flex-direction: row; justify-content: space-between; } }

        
        .page-banner { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: white; padding: 60px 0; text-align: center; margin-bottom: 40px; }
        .page-banner h1 { font-size: 32px; font-weight: 700; margin-bottom: 15px; }
        .breadcrumb { font-size: 14px; opacity: 0.9; }
        .breadcrumb a:hover { text-decoration: underline; }

        .list-layout { display: grid; grid-template-columns: 1fr; gap: 40px; }
        @media (min-width: 992px) { .list-layout { grid-template-columns: 3fr 1fr; } }
        
        .article-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
        @media (min-width: 768px) { .article-grid { grid-template-columns: repeat(2, 1fr); } }
        
        .article-card { background: var(--bg-white); border: 1px solid var(--border-color); border-radius: 12px; overflow: hidden; transition: 0.3s; display: flex; flex-direction: column; }
        .article-card:hover { box-shadow: var(--shadow-md); border-color: var(--primary-light); }
        .article-img { width: 100%; aspect-ratio: 16/9; overflow: hidden; background: #eee; }
        .article-img img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
        .article-card:hover .article-img img { transform: scale(1.05); }
        .article-content { padding: 20px; display: flex; flex-direction: column; flex: 1; }
        .article-tags { margin-bottom: 10px; display: flex; gap: 8px; flex-wrap: wrap; }
        .article-tags span { background: var(--primary-light); color: var(--primary-dark); font-size: 12px; padding: 2px 8px; border-radius: 4px; }
        .article-title { font-size: 18px; font-weight: 600; margin-bottom: 10px; line-height: 1.4; }
        .article-title a:hover { color: var(--primary); }
        .article-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 15px; flex: 1; }
        .article-meta { display: flex; justify-content: space-between; font-size: 12px; color: #9ca3af; border-top: 1px solid var(--border-color); padding-top: 15px; }

        .sidebar { background: var(--bg-white); border-radius: 12px; padding: 24px; border: 1px solid var(--border-color); }
        .sidebar h3 { font-size: 18px; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--primary-light); border-left: 4px solid var(--primary); padding-left: 10px;}
        
        .pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
        .pagination a, .pagination span { display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: 6px; border: 1px solid var(--border-color); background: var(--bg-white); font-weight: 500; }
        .pagination a:hover { border-color: var(--primary); color: var(--primary); }
        .pagination .current { background: var(--primary); color: white; border-color: var(--primary); }