* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        header {
            background-color: #fff;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            padding: 40px 0;
            margin-bottom: 40px;
        }
        
        h1 {
            font-family: "Varela Round", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            font-size: 2.5rem;
            color: #2c3e50;
            text-align: center;
            font-weight: 600;
            margin-bottom: 0;
        }
        
        h2, h3, h4 {
            font-family: "Varela Round", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            color: #2c3e50;
            margin-bottom: 15px;
        }
        
        h2 {
            font-size: 2rem;
            margin-top: 30px;
        }
        
        h3 {
            font-size: 1.5rem;
            margin-top: 25px;
            color: #34495e;
        }
        
        h4 {
            font-size: 1.25rem;
            margin-top: 20px;
        }
        
        article {
            background-color: #fff;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 40px;
        }
        
        article p {
            margin-bottom: 20px;
            font-size: 1.05rem;
            color: #555;
        }
        
        .transition-section {
            background-color: #fff;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 40px;
        }
        
        .transition-section p {
            margin-bottom: 20px;
            font-size: 1.05rem;
            color: #555;
        }
        
        .links-section {
            background-color: #fff;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 40px;
        }
        
        .links-section h3 {
            border-bottom: 2px solid #e9ecef;
            padding-bottom: 10px;
            margin-bottom: 20px;
        }
        
        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px 30px;
            margin-bottom: 35px;
        }
        
        .links-section ul li {
            padding-left: 20px;
            position: relative;
        }
        
        .links-section ul li:before {
            content: "→";
            position: absolute;
            left: 0;
            color: #3498db;
            font-weight: bold;
        }
        
        .links-section a {
            color: #3498db;
            text-decoration: none;
            transition: color 0.3s ease;
            font-size: 1rem;
        }
        
        .links-section a:hover {
            color: #2980b9;
            text-decoration: underline;
        }
        
        hr {
            border: none;
            border-top: 1px solid #e9ecef;
            margin: 30px 0;
        }
        
        @media (max-width: 768px) {
            .container {
                padding: 15px;
            }
            
            h1 {
                font-size: 2rem;
            }
            
            h2 {
                font-size: 1.5rem;
            }
            
            h3 {
                font-size: 1.25rem;
            }
            
            article {
                padding: 25px;
            }
            
            .transition-section {
                padding: 25px;
            }
            
            .links-section {
                padding: 25px;
            }
            
            .links-section ul {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            
            header {
                padding: 25px 0;
                margin-bottom: 25px;
            }
        }
        
        @media (max-width: 480px) {
            h1 {
                font-size: 1.75rem;
            }
            
            article {
                padding: 20px;
            }
            
            .transition-section {
                padding: 20px;
            }
            
            .links-section {
                padding: 20px;
            }
        }