body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            margin: 0;
            padding: 0;
        }
        .container {
            display: flex;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        .sidebar {
            width: 250px;
            padding-right: 20px;
            border-right: 2px solid #ddd;
        }
        .content {
            flex-grow: 1;
            padding-left: 20px;
        }
        .toc {
            list-style-type: none;
            padding: 0;
        }
        .toc li {
            margin: 10px 0;
        }
        .toc a {
            text-decoration: none;
            color: #007bff;
            font-size: 16px;
        }
        .toc a:hover {
            text-decoration: underline;
        }
        .section {
            margin-bottom: 40px;
        }
        .section h2 {
            color: #333;
        }
        .section p {
            font-size: 16px;
            color: #555;
        }