.case{width:100%; background:#fff;padding:15px;box-shadow:0 0 10px #ccc; margin-top:20px}
.case .title{height:20px;border-bottom:3px solid #e7e7e7;padding-bottom:10px;}
.case .title h2{font-size:20px;font-family:"microsoft yahei";}
.case .title-list{position:relative;top:6px;}
.case .title-list li{width:146px;line-height:20px;text-align:center;float:left;display:inline;}
.case .title-list li.on{color:#ff6600;font-weight:bold;}
.case .title-list p{position:absolute;top:24px;left:0px;width:146px;height:7px;border-top:3px solid #ff6600;overflow:hidden;text-align:center;}
.case .title-list b{display:inline-block;width:0;height:0;margin-top:-3px;border-style:solid dashed dashed dashed;border-width:9px;border-color:#ff6600 #fff #fff #fff;overflow:hidden;zoom:1;font-size:0;}
.product{height:500px auto;position:relative;overflow:hidden;display:none;margin-top:20px;}
.product ul{position:absolute;left:0px;}
.product-wrap .show{display:block;}