:root {
            --primary-color: #427B8E;
            --text-color: #f1f1f1;
            --background-color: #000;
            --section-bg: #0D0D0D;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--background-color);
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        header {
            text-align: center;
            margin-bottom: 40px;
            padding-bottom: 20px;
            border-bottom: 2px solid var(--primary-color);
        }
        
        h1 {
            color: var(--primary-color);
            font-size: 2.5rem;
            margin-bottom: 10px;
        }
        
        .updated {
            font-style: italic;
            color: #777;
            font-size: 0.9rem;
        }
        
        section {
            margin-bottom: 30px;
            padding: 20px;
            border-radius: 8px;
            background-color: var(--section-bg);
        }
        
        h2 {
            color: var(--primary-color);
            margin-bottom: 15px;
            font-size: 1.5rem;
        }
        
        p {
            margin-bottom: 15px;
        }
        
        ul {
            margin-left: 20px;
            margin-bottom: 15px;
        }
        
        li {
            margin-bottom: 8px;
        }
        
        .highlight {
            background-color: rgba(66, 123, 142, 0.1);
            padding: 15px;
            border-left: 4px solid var(--primary-color);
            margin: 20px 0;
        }
        
        footer {
            margin-top: 40px;
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #eee;
            color: #777;
            font-size: 0.9rem;
        }

        .contact {
            background-color: var(--primary-color);
            color: white;
            padding: 30px;
            border-radius: 8px;
            margin-top: 40px;
        }

        .contact h2 {
            color: white;
        }

        .contact a {
            color: white;
            text-decoration: underline;
        }

        @media (max-width: 768px) {
            body {
                padding: 15px;
            }
            
            h1 {
                font-size: 2rem;
            }
            
            section {
                padding: 15px;
            }
        }