:root {
            --primary-color: #1a3a5f;
            --secondary-color: #4a7ba6;
            --accent-color: #e6b54a;
            --text-color: #333333;
            --light-bg: #f5f7fa;
            --container-width: 80%;
            --max-width: 1200px;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-color);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            background-color: var(--light-bg);
        }
        
        main {
            padding-top: 80px;
            padding-bottom: 60px;
        }
        
        .container {
            width: var(--container-width);
            max-width: var(--max-width);
            margin: 0 auto;
            background-color: white;
            padding: 2rem;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        
        h1, h2 {
            color: var(--primary-color);
        }
        
        h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            text-align: center;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 0.5rem;
        }
        
        h2 {
            font-size: 1.8rem;
            margin-top: 2rem;
            border-left: 4px solid var(--secondary-color);
            padding-left: 1rem;
        }
        
        .last-updated {
            text-align: center;
            font-style: italic;
            margin-bottom: 2rem;
            color: var(--secondary-color);
        }
        
        section {
            margin-bottom: 2.5rem;
        }
        
        .nav-section {
            background-color: var(--light-bg);
            padding: 1rem;
            border-radius: 6px;
            margin-bottom: 2rem;
        }
        
        .nav-section ul {
            list-style-type: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
        }
        
        .nav-section li {
            margin: 0.5rem;
        }
        
        .nav-section a {
            text-decoration: none;
            color: var(--primary-color);
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        
        .nav-section a:hover {
            background-color: var(--secondary-color);
            color: white;
        }
        
        p {
            margin-bottom: 1rem;
        }
        
        ul {
            padding-left: 2rem;
        }
        
        ul li {
            margin-bottom: 0.5rem;
        }