*{
    padding: 0;
    margin: 0;
    list-style: none;
}

.contant{
    width: 1200px;
    margin: 0 auto;
    padding: 30px;
}
.contant ul li {
    font-size: 14px;
    font-family: "微软雅黑";
    margin-bottom: 10px;
}
.contant ul li span{
    margin-right: 10px;
}