.toc-list li{margin:8px 0;padding-left:10px;border-left:2px solid #eee;transition:all .2s}.toc-list li a{text-decoration:none;color:#555;display:block;font-size:14px}.toc-list li.active{border-left-color:#0073aa}.toc-list li.active a{color:#0073aa;font-weight:600}