.containter{width: 1190px;margin: auto;}
    .clear{clear: both;}

    /*工程案例开始*/
    .case_neirong{width: 100%;min-width: 1190px;max-width: 1920px;height: 249px;margin: auto;display: none;}
    .page_case{width: 1190px;height: 249px;margin: auto;position: relative;}
    .caseList{width: 1200px;height: 249px;position: relative;overflow: hidden;margin: auto;}
    .section2{position: absolute;width: 100000px;}
    .c2_lc{float: left;width: 1200px;}
    .section2 ul li{float: left;width: 297px;height:249px;display: inline;text-align: left;}
    .index_case{width: 296px;height: 246px;overflow: hidden;background-color: #ededed;padding-top: 3px;}
    .index_case:hover{height: 246px;background-color: #18495c;padding-top: 3px;}
    .index_case:hover .case_name{background-color: #18495c;}
    .index_case:hover .case_name a{color: #fff;}
    .case_pic{width: 296px;height: 206px;overflow: hidden;}
    .case_name{width: 277px;padding: 10px;background-color: #ededed;}
    .case_name a{font-size: 14px;color: #333333;font-family: 微软雅黑;font-weight: normal;}
    .leftbtn{width: 42px;height: 42px;position: absolute;top: 96px;left: -106px; z-index: 111;}
    .rightbtn{width: 42px;height: 42px;position: absolute;top: 96px;right: -106px;z-index: 111;}
    /*工程案例结束*/