.ellipsis3{height: 5em;}
.row1 .news_activity_list .tit{overflow: hidden;text-overflow:ellipsis;white-space: nowrap;}

.row1 ul li{float: left;margin-right: 50px}
.row1 ul li a{display: block ;color: #333;padding-bottom: 15px;border-bottom: 4px solid transparent;}
.row1 ul li.on a{border-bottom: 4px solid rgba(21, 76, 191, 0.7);}

@media only screen and (max-width:768px){
    .row1 ul li {margin-right: 40px;}
}