*{margin: 0;padding: 0;}
a{text-decoration: none;}
ul li{list-style: none;}
a {
  text-decoration: none;
}
html {
  font-size: 100px;
}
body{
	font-family: PingFangSC-Regular, sans-serif , Helvetica Neue, Tahoma, Arial, PingFangSC-Regular, Hiragino Sans GB, Microsoft Yahei;	
}
 @media  screen and (min-width:320px) {
	html{
		font-size: 42.66px;
	}
}
@media  screen and (min-width:360px) {
	html{
		font-size: 48px;
	}
}
@media  screen and (min-width:375px) {
	html{
		font-size: 50px;
	}
}
@media  screen and (min-width:384px) {
	html{
		font-size: 51.2px;
	}
}
@media  screen and (min-width:400px) {
	html{
		font-size: 53.32px;
	}
}
@media  screen and (min-width:414px) {
	html{
		font-size: 55.2px;
	}
}
@media  screen and (min-width:424px) {
	html{
		font-size: 55.2px;
	}
}
@media  screen and (min-width:480px) {
	html{
		font-size: 64px;
	}
}
@media  screen and (min-width:540px) {
	html{
		font-size: 72px;
	}
}
@media  screen and (min-width:720px) {
	html{
		font-size: 96px;
	}
}
@media  screen and (min-width:750px) {
	html{
		font-size: 100px;
	}
}