.toc-container {
            border: 1px solid #ddd;
            padding: 15px;
            margin-bottom: 20px;
            background: #111;
            color: #fff;
        }
        .toc-list {
            list-style: none;
            padding-left: 0;
        }
        .toc-list ul {
            list-style: none;
            padding-left: 20px;
            margin-top: 4px;
        }
        .toc-list li {
            margin-bottom: 6px;
        }
        .toc-list li a {
            text-decoration: none;
            color: #ddd;
            display: block;
        }
        .toc-list li a:hover {
            color: #fff;
        }