为什么会蓝色，小于480pxp不会显示红色
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<link type="text/css" rel="stylesheet" href="link.css"
media="only screen and (max-width:480px)"/>
<style>
@media screen and (min-width:480px) {
body{
background: blue;
}
}
</style>
</head>
<body>
</body>
</html>
