.case{width:788px;margin:0px auto; padding:15px;box-shadow:0 0 0px #ccc;}
.case .title{height:21px;padding-bottom:0px; background:none; border-bottom:1px solid #666}
.case .title h2{ font-size: 20px;font-family: "microsoft yahei";}
.case .title-list li{ width: 120px; line-height: 23px; text-align: left; float: left; display: inline; background:url(../images/tab_a.jpg) no-repeat left top; padding-left:30px; height:22px;}
.case .title-list li.on{ color: #000; font-weight: bold; background:url(../images/tab_a.jpg) no-repeat left bottom; height:22px;}
.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:auto; position: relative; overflow: hidden; display: none; padding:10px; line-height:24px;}
 
.product-wrap .show{ display: block;}