.bb1{border-bottom:3px solid#fff;}.bb2{height:80px;line-height:80px;font-size:15px;font-weight:bold;border-bottom:1px dotted#bababa;}#main{margin:0px auto;width:1200px;}.help_b{top:5px;right:0;}.current_bb1{border-bottom:3px solid#f80;}.current_bb1:after{content:'';position:absolute;bottom:0;left:95px;border-top:5px solid#fff;border-left:5px solid#fff;border-right:5px solid#fff;border-bottom:5px solid#f80;}#subnav{border:1px solid#e7e7e7;}.subnav_item{margin-bottom:2px;}.subnav_item:last-child{margin-bottom:0;}.subnav_item>p{width:185px;height:40px;line-height:40px;padding-left:15px;cursor:pointer;background:#f6f6f6;position:relative;}.subnav_item>a{display:block;padding-left:30px;height:40px;line-height:40px;color:#333;overflow:hidden;}.ysj{position:absolute;top:16px;right:10px;border-top:4px solid#f6f6f6;border-left:4px solid#999;border-right:4px solid#f6f6f6;border-bottom:4px solid#f6f6f6;}.xsj{position:absolute;top:19px;right:10px;border-top:4px solid#999;border-left:4px solid#f6f6f6;border-right:4px solid#f6f6f6;border-bottom:4px solid#f6f6f6;}.current_item{border:1px solid#f80;color:#f80!important;}.w970{width:970px;}