.banner {width:100%;height:250px;background:url(../../images/v1.0/case/banner.png) no-repeat top center;}
.tab-icon {width:856px;overflow:hidden;height:;margin:100px auto;}
.tab-icon li {width:114px;float:left;margin:0 50px;cursor:pointer;}
.tab-icon li p {text-align:center;line-height:40px;color:#3c3c3c;}
.tab-icon li:hover .hover-line {width:30px;border:3px solid #de2d2d;margin:3px auto 0;}
.tab-icon li.hover .hover-line {width:30px;border:3px solid #de2d2d;margin:3px auto 0;}
.tab-content {width:1200px;height:1270px;margin:0 auto;overflow:hidden;position:relative;}
.tab-content .case-box {width:4800px;height:1371px;position:absolute;top:0;left:0;overflow:hidden;}
.desc {width:926px;margin:0 auto;}
.desc p {text-indent:2em;line-height:30px;color:#3c3c3c;}
.sub-title {width:1200px;margin:100px auto 0;}
.sub-title h2 {color:#3c3c3c;text-align:center;font-size:14px;margin-top:20px;line-height:28px;}
.case-icon {width:1080px;overflow:hidden;margin:40px auto 0;}
.case-icon li {width:120px;padding:30px;float:left;}
.content {width:1200px;margin:0 auto;text-align:center;padding:120px 0;}
.case-1,.case-2 ,.case-3,.case-4 {width:1200px;float:left;}