* {
            box-sizing: border-box;
        }
        
        body {
            margin: 0;
            padding: 0;
            font-family: Verdana, Arial, Helvetica, sans-serif;
            line-height: 1.6;
            color: #333;
            background: #ffffff;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        h1 {
            background: linear-gradient(135deg, #004863, #0066cc);
            color: white;
            margin: 0;
            padding: 30px 20px;
            text-align: center;
            font-size: 2.5rem;
            font-weight: 900;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        
        article {
            background: white;
            padding: 40px 20px;
            margin: 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        
        article h2 {
            color: #004863;
            font-size: 1.8rem;
            margin: 30px 0 20px 0;
            padding: 15px 20px;
            background: linear-gradient(135deg, #66FFFF, #CCFFFF);
            border-left: 5px solid #004863;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        
        article h3 {
            color: #024860;
            font-size: 1.4rem;
            margin: 25px 0 15px 0;
            font-weight: 900;
            border-bottom: 2px solid #CCFFFF;
            padding-bottom: 8px;
        }
        
        article h4 {
            color: #024860;
            font-size: 1.2rem;
            margin: 20px 0 10px 0;
            font-weight: 900;
        }
        
        article p {
            font-size: 14px;
            line-height: 1.7;
            color: #222;
            margin: 0 0 15px 0;
        }
        
        article a {
            color: #0099cc;
            text-decoration: none;
            border-bottom: 1px solid transparent;
            transition: all 0.3s ease;
        }
        
        article a:hover {
            background-color: #00FFFF;
            border-bottom-color: #0099cc;
            padding: 2px 4px;
            border-radius: 3px;
        }
        
        .transition-section {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            padding: 30px 20px;
            margin: 20px 0;
            border-radius: 8px;
            border: 1px solid #dee2e6;
        }
        
        .transition-section p {
            font-size: 16px;
            color: #495057;
            margin: 0 0 15px 0;
            text-align: center;
        }
        
        .links-section {
            background: linear-gradient(135deg, #CCFFFF, #ffffff);
            padding: 40px 20px;
            margin: 20px 0 0 0;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        }
        
        .links-section h3 {
            color: #004863;
            font-size: 1.5rem;
            margin: 30px 0 20px 0;
            padding: 15px 0;
            text-align: center;
            border-bottom: 3px solid #004863;
            font-weight: 900;
        }
        
        .links-section h3:first-child {
            margin-top: 0;
        }
        
        .links-section ul {
            list-style: none;
            padding: 0;
            margin: 0 0 30px 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 15px;
        }
        
        .links-section li {
            background: white;
            border-radius: 6px;
            box-shadow: 0 2px 6px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            overflow: hidden;
        }
        
        .links-section li:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        }
        
        .links-section a {
            display: block;
            padding: 18px 20px;
            color: #024860;
            text-decoration: none;
            font-weight: 600;
            border-left: 4px solid #66FFFF;
            transition: all 0.3s ease;
        }
        
        .links-section a:hover {
            background: linear-gradient(135deg, #66FFFF, #CCFFFF);
            border-left-color: #004863;
            color: #004863;
        }
        
        @media (max-width: 768px) {
            .container {
                padding: 0 15px;
            }
            
            h1 {
                font-size: 2rem;
                padding: 25px 15px;
            }
            
            article {
                padding: 30px 15px;
            }
            
            article h2 {
                font-size: 1.5rem;
                padding: 12px 15px;
            }
            
            article h3 {
                font-size: 1.2rem;
            }
            
            article h4 {
                font-size: 1.1rem;
            }
            
            .links-section ul {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            
            .links-section a {
                padding: 15px;
                font-size: 14px;
            }
            
            .transition-section {
                padding: 20px 15px;
            }
            
            .links-section {
                padding: 30px 15px;
            }
        }
        
        @media (max-width: 480px) {
            h1 {
                font-size: 1.7rem;
                padding: 20px 10px;
            }
            
            article {
                padding: 20px 10px;
            }
            
            article h2 {
                font-size: 1.3rem;
                padding: 10px 12px;
            }
            
            .transition-section {
                padding: 15px 10px;
            }
            
            .links-section {
                padding: 25px 10px;
            }
        }