@charset "utf-8";
.contit{
    width: 880px;
    margin: 10px auto;
   
    text-align: center;
    font-size: 16px;
    
}
.sectit{
    text-align: right;
    width: 880px;
    
}
.contit li{
    width: 28%;
    margin-right: 5%;
    float: left;
}
.contxt{
    width: 880px;
    margin: 10px auto;
}