* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: Verdana, Arial, Helvetica, sans-serif;
            background: #f5f5f5;
            color: #333;
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 0 20px rgba(0,0,0,0.1);
        }
        
        header {
            background: linear-gradient(135deg, #003366 0%, #006699 100%);
            color: #fff;
            padding: 2rem 2rem 1.5rem;
        }
        
        h1 {
            font-size: 2.2rem;
            color: #fff;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        
        .header-subtitle {
            color: #FFFFCE;
            font-size: 0.95rem;
        }
        
        article {
            padding: 2.5rem 2rem;
            background: #fff;
        }
        
        article h2 {
            color: #003366;
            font-size: 1.8rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #FF6600;
        }
        
        article h3 {
            color: #006699;
            font-size: 1.4rem;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
        }
        
        article h4 {
            color: #333;
            font-size: 1.1rem;
            margin-top: 1.2rem;
            margin-bottom: 0.6rem;
        }
        
        article p {
            margin-bottom: 1.2rem;
            font-size: 0.95rem;
            color: #333;
        }
        
        article strong {
            color: #003366;
        }
        
        .transition-section {
            padding: 2rem;
            background: #FFFFCE;
            border-left: 4px solid #FF6600;
            margin: 0 2rem 2rem;
        }
        
        .transition-section p {
            font-size: 0.95rem;
            margin-bottom: 1rem;
            color: #333;
        }
        
        .links-section {
            padding: 2.5rem 2rem;
            background: #f9f9f9;
            border-top: 3px solid #639ACE;
        }
        
        .links-section h2 {
            color: #003366;
            font-size: 1.8rem;
            margin-bottom: 2rem;
            text-align: center;
        }
        
        .links-section h3 {
            color: #006699;
            font-size: 1.3rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #FF6600;
        }
        
        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.8rem 2rem;
            margin-bottom: 2rem;
        }
        
        .links-section li {
            padding-left: 1.2rem;
            position: relative;
        }
        
        .links-section li:before {
            content: "▸";
            position: absolute;
            left: 0;
            color: #FF6600;
            font-weight: bold;
        }
        
        .links-section a {
            color: #006699;
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.3s ease;
        }
        
        .links-section a:hover {
            color: #FF6600;
            text-decoration: underline;
        }
        
        footer {
            background: #003366;
            color: #fff;
            padding: 1.5rem 2rem;
            text-align: center;
            font-size: 0.85rem;
        }
        
        @media (max-width: 768px) {
            h1 {
                font-size: 1.6rem;
            }
            
            header {
                padding: 1.5rem 1rem;
            }
            
            article {
                padding: 1.5rem 1rem;
            }
            
            article h2 {
                font-size: 1.4rem;
            }
            
            article h3 {
                font-size: 1.2rem;
            }
            
            .transition-section {
                margin: 0 1rem 1.5rem;
                padding: 1.5rem 1rem;
            }
            
            .links-section {
                padding: 2rem 1rem;
            }
            
            .links-section h2 {
                font-size: 1.4rem;
            }
            
            .links-section h3 {
                font-size: 1.1rem;
            }
            
            .links-section ul {
                grid-template-columns: 1fr;
                gap: 0.7rem;
            }
            
            footer {
                padding: 1.5rem 1rem;
            }
        }
        
        @media (min-width: 769px) and (max-width: 1024px) {
            .container {
                margin: 1rem;
            }
            
            .links-section ul {
                gap: 0.8rem 1.5rem;
            }
        }