* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: Arial, Helvetica, sans-serif;
            background: linear-gradient(135deg, #000066 0%, #000088 100%);
            color: #333;
            line-height: 1.6;
            min-height: 100vh;
            padding: 20px 0;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
        }
        
        header {
            background: linear-gradient(180deg, #003399 0%, #000066 100%);
            color: white;
            padding: 40px 20px;
            text-align: center;
            border-bottom: 4px solid #0066cc;
        }
        
        h1 {
            font-size: 2.5rem;
            font-weight: bold;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        
        article {
            padding: 40px 20px;
            max-width: 900px;
            margin: 0 auto;
        }
        
        article h2 {
            color: #000066;
            font-size: 1.8rem;
            margin-top: 30px;
            margin-bottom: 15px;
            border-left: 5px solid #0066cc;
            padding-left: 15px;
        }
        
        article h3 {
            color: #003399;
            font-size: 1.4rem;
            margin-top: 25px;
            margin-bottom: 12px;
        }
        
        article h4 {
            color: #000066;
            font-size: 1.2rem;
            margin-top: 20px;
            margin-bottom: 10px;
        }
        
        article p {
            margin-bottom: 15px;
            text-align: justify;
            color: #444;
            font-size: 1rem;
        }
        
        .transition-section {
            background: #f5f5f5;
            padding: 30px 20px;
            margin: 40px 0;
            border-top: 3px solid #0066cc;
            border-bottom: 3px solid #0066cc;
        }
        
        .transition-section p {
            max-width: 900px;
            margin: 0 auto 15px;
            color: #444;
            text-align: justify;
        }
        
        .links-section {
            background: linear-gradient(180deg, #f9f9f9 0%, #ffffff 100%);
            padding: 40px 20px;
            margin-top: 0;
        }
        
        .links-section h3 {
            color: #000066;
            font-size: 1.6rem;
            margin-bottom: 20px;
            text-align: center;
            border-bottom: 3px solid #0066cc;
            padding-bottom: 10px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .links-section ul {
            list-style: none;
            max-width: 1100px;
            margin: 0 auto 40px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px 30px;
        }
        
        .links-section li {
            margin-bottom: 0;
        }
        
        .links-section a {
            color: #0066cc;
            text-decoration: none;
            font-size: 1rem;
            display: block;
            padding: 8px 0;
            transition: all 0.3s ease;
            border-bottom: 1px solid transparent;
        }
        
        .links-section a:hover {
            color: #003399;
            border-bottom: 1px solid #0066cc;
            padding-left: 10px;
        }
        
        footer {
            background: #000066;
            color: white;
            text-align: center;
            padding: 20px;
            margin-top: 0;
        }
        
        @media (max-width: 768px) {
            body {
                padding: 0;
            }
            
            h1 {
                font-size: 1.8rem;
            }
            
            header {
                padding: 30px 15px;
            }
            
            article {
                padding: 30px 15px;
            }
            
            article h2 {
                font-size: 1.5rem;
            }
            
            article h3 {
                font-size: 1.2rem;
            }
            
            .transition-section {
                padding: 20px 15px;
            }
            
            .links-section {
                padding: 30px 15px;
            }
            
            .links-section ul {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            
            .links-section h3 {
                font-size: 1.3rem;
            }
        }
        
        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }
            
            article h2 {
                font-size: 1.3rem;
            }
            
            article p {
                font-size: 0.95rem;
            }
        }