.blog-content {
            line-height: 1.8;
            font-size: 16px;
        }
        .question-card {
            background: #fff;
            border: 1px solid #e0e6ed;
            border-radius: 10px;
            padding: 25px;
            margin-bottom: 25px;
            position: relative;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        
        .question-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        }
        
        .difficulty-badge {
            position: absolute;
            top: -8px;
            right: 20px;
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 12px;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        
        .difficulty-badge.easy {
            background: linear-gradient(45deg, #27ae60, #2ecc71);
            color: white;
        }
        
        .difficulty-badge.medium {
            background: linear-gradient(45deg, #f39c12, #f1c40f);
            color: white;
        }
        
        .difficulty-badge.hard {
            background: linear-gradient(45deg, #e74c3c, #c0392b);
            color: white;
        }
        
        .question-title {
            color: #2c3e50;
            font-size: 18px;
            margin-bottom: 20px;
            font-weight: 600;
            line-height: 1.4;
            margin-top: 10px;
        }
        
        .answer {
            line-height: 1.6;
        }
        
        .answer p {
            margin-bottom: 15px;
            color: #34495e;
        }
        
        .answer-points {
            margin: 15px 0;
            padding-left: 20px;
        }
        
        .answer-points li {
            margin-bottom: 8px;
            color: #2c3e50;
            line-height: 1.5;
        }
        
        .section-title {
            color: #2980b9;
            font-size: 16px;
            font-weight: 600;
            margin: 20px 0 12px 0;
            border-left: 4px solid #3498db;
            padding-left: 12px;
        }
        
        .section-points {
            margin: 12px 0;
            padding-left: 20px;
        }
        
        .section-points li {
            margin-bottom: 6px;
            color: #34495e;
            line-height: 1.5;
        }
        
        .code-block {
            background: #f8f9fa;
            border: 1px solid #e9ecef;
            border-radius: 6px;
            padding: 15px;
            font-family: 'Courier New', monospace;
            font-size: 14px;
            line-height: 1.5;
            overflow-x: auto;
            margin: 15px 0;
            white-space: pre-wrap;
            word-wrap: break-word;
        }
        
        .table-responsive {
            margin: 20px 0;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        
        .table {
            margin-bottom: 0;
            font-size: 14px;
        }
        
        .table-header {
            background: linear-gradient(45deg, #3498db, #2980b9);
        }
        
        .table-header th {
            color: white;
            font-weight: 600;
            border: none;
            padding: 12px 15px;
            text-align: center;
        }
        
        .table td, .table th {
            padding: 12px 15px;
            vertical-align: middle;
            border-color: #dee2e6;
        }
        
        .table-striped tbody tr:nth-of-type(odd) {
            background-color: rgba(52, 152, 219, 0.05);
        }
        
        .additional-info {
            background: #e8f5e8;
            border-left: 4px solid #27ae60;
            padding: 12px 15px;
            margin: 15px 0;
            border-radius: 0 6px 6px 0;
            font-style: italic;
            color: #27ae60;
        }
        .toc {
            background: #ffffff;
            border: 1px solid #e0e0e0;
            padding: 25px;
            border-radius: 4px;
            margin: 30px 0;
        }
        .toc h3 {
            color: #333;
            margin-bottom: 15px;
            font-size: 20px;
            border-bottom: 2px solid #21225f;
            padding-bottom: 10px;
        }
        .toc ul {
            columns: 1;
            column-gap: 30px;
        }
        .toc li {
            margin-bottom: 10px;
            break-inside: avoid;
        }
        .toc a {
            color: #21225f;
            text-decoration: none;
            padding: 5px 0;
            display: block;
        }
        .toc a:hover {
            color: #0056b3;
            text-decoration: underline;
        }
        .section-header {
            background: #ffffff;
            border: 1px solid #e0e0e0;
            border-bottom: 3px solid #21225f;
            color: #333;
            padding: 20px;
            border-radius: 4px;
            margin: 40px 0 30px 0;
            text-align: left;
        }
        .section-header h2 {
            margin: 0;
            font-size: 24px;
            color: #333;
        }
        .difficulty-badge {
            display: inline-block;
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 15px;
            border: 1px solid;
        }
        .beginner { 
            background: #ffffff; 
            color: #28a745; 
            border-color: #28a745;
        }
        .intermediate { 
            background: #ffffff; 
            color: #ffc107; 
            border-color: #ffc107;
        }
        .advanced { 
            background: #ffffff; 
            color: #dc3545; 
            border-color: #dc3545;
        }
        .cta-section {
            background: #ffffff;
            border: 2px solid #21225f;
            color: #333;
            padding: 30px;
            border-radius: 4px;
            text-align: center;
            margin: 40px 0;
        }
        .cta-section h3 {
            color: #21225f;
            margin-bottom: 15px;
        }
        .page-title-area {
            background: #ffffff !important;
            border-bottom: 1px solid #e0e0e0;
            padding: 60px 0;
        }
        .page-title-area h1 {
            color: #333 !important;
            font-size: 32px;
            margin-bottom: 15px;
        }
        .page-title-area p {
            color: #666 !important;
            font-size: 18px;
        }
        .breadcrumb-item a {
            color: #21225f !important;
        }
        .breadcrumb-item.active {
            color: #666 !important;
        }
        .widget {
            background: #ffffff;
            border: 1px solid #e0e0e0;
            padding: 25px;
            margin-bottom: 30px;
            border-radius: 4px;
        }
        .widget-title {
            color: #333;
            font-size: 18px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #e0e0e0;
        }
        .table-striped tbody tr:nth-of-type(odd) {
            background-color: #f8f9fa;
        }
        .table-striped tbody tr:nth-of-type(even) {
            background-color: #ffffff;
        }
        
        /* Mobile Responsiveness and Visual Improvements */
        @media (max-width: 768px) {
            .question-card {
                padding: 20px 15px;
                margin-bottom: 20px;
            }
            
            .question-title {
                font-size: 16px;
            }
            
            .difficulty-badge {
                position: static;
                display: inline-block;
                margin-bottom: 10px;
            }
            
            .code-block {
                font-size: 12px;
                padding: 12px;
            }
            
            .table-responsive {
                font-size: 12px;
            }
            
            .toc ul {
                columns: 1;
            }
            
            .section-header {
                padding: 15px;
                margin: 20px 0 15px 0;
            }
            
            .section-header h2 {
                font-size: 20px;
            }
        }
        
        /* Enhanced section headers */
        .section-header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
        }
        
        .section-header h2 {
            color: white;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
        }
        
        /* Smooth scrolling for anchor links */
        html {
            scroll-behavior: smooth;
        }
        
        /* Loading animation */
        .spinner {
            border: 4px solid #f3f3f3;
            border-top: 4px solid #3498db;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            animation: spin 2s linear infinite;
            margin: 20px auto;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }