@charset "utf-8";
.cf:after{content:".";display:block;height:0;clear:both;visibility:hidden}
.cf{zoom:1;}
/*超出显示...*/
.ellipsis{white-space:nowrap; text-overflow:ellipsis;overflow:hidden; display:block;}
* html .cf{height:1%} /* Hides from IE-mac \*/
.cf{display:block}/* End hide from IE-mac */
.fl{float: left;}
.fr{float: right;}
.mt10{margin-top: 10px;}
.mt20{margin-top: 20px;}
.mt30{margin-top: 30px;}
.mt40{margin-top: 40px;}
.mt60{margin-top: 60px;}
.mr10{margin-right:10px;}
.mr30{margin-right:30px;}
.mr52{margin-right:52px;}
.ml30{margin-left:30px;}
.pb50{padding-bottom: 50px;}
.bgf9{background: #f9f9f9;}
.bb1{border-bottom: 1px solid #efefef;}
.c_blue{color: #0066b3!important;}

.section
{
    width: 1220px;
    margin: 0 auto;
   // height: 600px;
    margin:20px auto;
}
.liveVideo_nav {
    float: left;
    padding-top: 18px;
    height: 50px;
    line-height: 50px;
}

.liveVideo_nav ul li {
    float: left;
    padding: 0 36px;
    font-size: 18px;
    color: #6a6a6a;
    text-align: center;
}
.liveVideo_nav ul li a{cursor: pointer;}
.liveVideo_nav a.nav_on {  color: #0066b3;}