也许使用检测脚本?
// Detect which mobile devices
function isMobile() {
return /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent);
}
// Load the appropriate CSS file
if (isMobile()) {
document.write('<link rel="stylesheet" href="mobile.css">');
} else {
document.write('<link rel="stylesheet" href="desktop.css">');
}