* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #000000;
            background-color: #ffffff;
            padding: 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        h1 {
            color: #0000FF;
            font-size: 2.5em;
            text-align: center;
            margin-bottom: 30px;
            padding: 20px 0;
            border-bottom: 2px solid #e0e0e0;
        }
        
        article {
            background: #f9f9f9;
            padding: 30px;
            margin-bottom: 40px;
            border-radius: 8px;
            border-left: 4px solid #0000FF;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        article p {
            margin-bottom: 15px;
            color: #333;
        }
        
        article h2 {
            color: #0000FF;
            margin-bottom: 20px;
            font-size: 1.8em;
        }
        
        article h3 {
            color: #6633AA;
            margin-bottom: 15px;
            font-size: 1.4em;
        }
        
        .transition-section {
            margin-bottom: 40px;
            padding: 20px;
            background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
            border-radius: 8px;
            border: 1px solid #e0e0e0;
        }
        
        .transition-section p {
            color: #555;
            font-size: 1.1em;
            text-align: center;
        }
        
        .links-section {
            background: #ffffff;
            border: 2px solid #0000FF;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        }
        
        .links-section h3 {
            color: #0000FF;
            font-size: 1.6em;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e0e0e0;
        }
        
        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 15px;
            margin-bottom: 30px;
        }
        
        .links-section li {
            padding: 12px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        
        .links-section li:last-child {
            border-bottom: none;
        }
        
        .links-section a {
            color: #0000FF;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            display: block;
            padding: 8px 12px;
            border-radius: 4px;
        }
        
        .links-section a:hover {
            color: #FF0000;
            background-color: #f8f9ff;
            transform: translateX(5px);
        }
        
        .links-section a:visited {
            color: #6633AA;
        }
        
        .links-section a:visited:hover {
            color: #FF0000;
        }
        
        @media (max-width: 768px) {
            body {
                padding: 10px;
            }
            
            h1 {
                font-size: 2em;
            }
            
            article {
                padding: 20px;
            }
            
            .links-section {
                padding: 20px;
            }
            
            .links-section ul {
                grid-template-columns: 1fr;
                gap: 10px;
            }
        }
        
        @media (max-width: 480px) {
            h1 {
                font-size: 1.5em;
            }
            
            article {
                padding: 15px;
            }
            
            .links-section {
                padding: 15px;
            }
            
            .links-section h3 {
                font-size: 1.3em;
            }
        }