body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            margin: 0;
            padding: 0;
            background-color: #f5f5f5;
            color: #333;
        }
        header {
            background-color: #ff9933;
            color: white;
            padding: 20px 10px;
            text-align: center;
        }
        nav {
            background-color: #333;
            color: white;
            padding: 10px 0;
            text-align: center;
        }
        nav a {
            color: white;
            margin: 0 8px;
            text-decoration: none;
            font-weight: bold;
            font-size: 0.9em;
        }
        nav a:hover {
            text-decoration: underline;
        }
        .container {
            display: flex;
            flex-wrap: wrap;
            max-width: 1200px;
            margin: 20px auto;
            padding: 0 10px;
        }
        .main-content {
            flex: 3;
            min-width: 300px;
            margin-right: 20px;
            background-color: white;
            padding: 20px;
            border-radius: 5px;
        }
        .sidebar {
            flex: 1;
            min-width: 200px;
            background-color: white;
            padding: 20px;
            border-radius: 5px;
            margin-top: 20px;
        }
        article {
            margin-bottom: 30px;
        }
        article h2 {
            color: #ff6600;
            font-size: 1.3em;
            margin-bottom: 8px;
        }
        article p {
            margin: 8px 0;
            text-align: justify;
        }
        footer {
            background-color: #333;
            color: white;
            text-align: center;
            padding: 15px 10px;
            margin-top: 20px;
        }
        h3 {
            color: #ff6600;
            margin-bottom: 10px;
        }
        ul {
            padding-left: 20px;
        }
        ul li {
            margin-bottom: 10px;
            line-height: 1.4;
        }
        /* Responsive for mobile */
        @media (max-width: 768px) {
            .container {
                flex-direction: column;
            }
            .main-content {
                margin-right: 0;
            }
            .sidebar {
                margin-top: 20px;
            }
        }