body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            margin: 0;
            padding: 0;
            background-color: #f8f9fa;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        main {
            padding-top: 80px;
            padding-bottom: 40px;
        }
        h1 {
            color: #00695c;
            text-align: center;
            margin-bottom: 30px;
        }
        h2 {
            color: #00796b;
            border-bottom: 2px solid #e0e0e0;
            padding-bottom: 10px;
            margin-top: 30px;
        }
        section {
            margin-bottom: 30px;
            background-color: #fff;
            padding: 25px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        .update-date {
            text-align: center;
            font-style: italic;
            margin-bottom: 30px;
            color: #666;
        }
        .nav-container {
            background-color: #f1f8e9;
            padding: 15px;
            border-radius: 5px;
            margin-bottom: 30px;
            border-left: 4px solid #00796b;
        }
        .nav-container ul {
            list-style-type: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .nav-container li {
            margin-right: 10px;
        }
        .nav-container a {
            text-decoration: none;
            color: #00695c;
            padding: 5px 10px;
            border-radius: 3px;
            transition: background-color 0.3s;
        }
        .nav-container a:hover {
            background-color: #e8f5e9;
            text-decoration: underline;
        }
        p {
            text-align: justify;
        }