.article{color:#666;}
.article ul{    overflow: hidden;  font-size: 16px;
    color: #666;
    line-height: 2.5;}
.article ul li{float: left;
    width: 50%;
    line-height: 2.5;}
.article ul div{ font-size: 16px;
  
    line-height: 2.5;}