.ztree *{font-size:12px;font-family:"Microsoft Yahei",Verdana,Simsun,"Segoe UI Web Light","Segoe UI Light","Segoe UI Web Regular","Segoe UI","Segoe UI Symbol","Helvetica Neue",Arial;}.ztree li ul{margin:0;padding:0;}.ztree li{line-height:30px;}.ztree li a{width:172px;height:30px;padding-top:0;padding-left:15px;position:relative;}.ztree li a:hover{text-decoration:none;background-color:#E7E7E7;}.ztree.showIcon li a span.button.switch{visibility:visible;}.ztree li a.curSelectedNode{background-color:#D4D4D4;border:0;height:30px;}.ztree li span{line-height:30px;}.ztree li span.button{margin-top:-7px;}.ztree li span.button.switch{width:16px;height:16px;}.ztree li a.level0 span{font-size:14px;font-weight:bold;}.ztree li span.button.switch.level0{width:18px;height:18px;margin-top:0;margin-right:5px;}.ztree li span.button.switch.level1{height:0;left:145px;position:absolute;top:10px;width:0;margin-top:1px;}.ztree li span.button.noline_open{background:url(left_1.png) no-repeat;}.ztree li span.button.noline_close{background:url(left_2.png) no-repeat;}.ztree li span.button.noline_open.level0{background-position:0 -18px;}.ztree li span.button.noline_close.level0{background-position:-18px -18px;}