.clear{clear: both;}
.f1{float: left;}
.f2{float: right;}
.flexs{display: flex;}
*{padding: 0px;margin: 0px;list-style: none;}
html {
    -webkit-text-size-adjust: none;
}
p,div,span,ul{
    font-family: "Microsoft YaHei" !important;
}
a{
    outline-style: none;
}