.region{width:100%}.ul_li{width:94%;margin:auto;display:flex;flex-wrap:wrap}.region-li{margin:0 10px 20px 0}.li-parent{border:2px solid #fff;padding:0 10px 0 10px}.li_child{display:none;position:absolute;height:auto;width:350px;padding:10px 0 0 10px;z-index:999}.region-li:hover .li-parent{border:2px solid #94c6ff;background:#eef5ff;border-bottom:none}.region-li:hover .li_child{display:block!important;border:2px solid #94c6ff;background:#eef5ff}.checkbox-items{margin-bottom:10px}