/* 主营业务 */
.main_title>div.fr>span{
    font: 16px/1.5 "Microsoft YaHei",Helvetica,Arial,sans-serif;
    margin-right: 10px;
}
.main_title>div.fr>span:last-child{
    margin-right: 0;
    margin-left: 10px;
}
.main_con ul li::after{
    width: 165px;
}
.main_con ul li span{
    font: 19px/2 "Microsoft YaHei",Helvetica,Arial,sans-serif;
    color: #333;
    letter-spacing: 1px;
    margin-right: 0px;
}