*{margin:0;padding:0;}
a{text-decoration:none;color: inherit;}
li{list-style: none;}
body {font-family: 'pingfang sc',microsoft yahei;font-size:0px;padding: 0px; margin: 0px; color: #323232;margin: 0 auto;background: #fff;}
html{
    font-size: 13.3vw;
}
@media (min-width: 750px) and (max-width: 1200px) {
    html {
        font-size: 8.33vw
    }
}
@media screen and (min-width: 1200px){
    html {
        font-size: 100px
    }
}