.second-nav{background:#fff;border-bottom:1px solid #e0e0e0;height:1.8rem;line-height:1.8rem;}
.second-nav li{float:left;width:20%;text-align:center;height:1.7rem;}
.second-nav li a{display: block;width:100%;height:100%;border-bottom:2px solid transparent;font-size:14px;}
.second-nav li .actvie{border-bottom:2px solid #de1e30;color:#de1e30;}
.event-box{margin-top:0;}
.second-navzong li{width: 50%;}