body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            color: #333;
            margin: 0;
            padding: 0;
            background-color: #f9f9f9;
        }
        main {
            padding-top: 80px;
            padding-bottom: 40px;
        }
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 15px;
        }
        h1 {
            color: #003366;
            text-align: center;
            margin-bottom: 30px;
            font-size: 2.5rem;
        }
        h2 {
            color: #005599;
            margin-top: 40px;
            padding-bottom: 10px;
            border-bottom: 1px solid #ddd;
        }
        .section-nav {
            background-color: #f0f5fa;
            padding: 20px;
            border-radius: 5px;
            margin-bottom: 30px;
        }
        .section-nav ul {
            list-style-type: none;
            padding: 0;
        }
        .section-nav li {
            margin-bottom: 10px;
        }
        .section-nav a {
            color: #005599;
            text-decoration: none;
        }
        .section-nav a:hover {
            text-decoration: underline;
        }
        .date-info {
            text-align: center;
            font-style: italic;
            margin-bottom: 30px;
            color: #666;
        }
        .content-section {
            background-color: white;
            padding: 25px;
            margin-bottom: 20px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }