//iphoneX、iphoneXsweb
@media only screen and (device-width: 375px) and (device-height: 812px) and (-webkit-device-pixel-ratio: 3) {
}iphone
即: 設備屏幕可見寬度爲375px, 可見高度爲812px及設備像素比爲3ip
//iphone Xs Max
@media only screen and (device-width: 414px) and (device-height: 896px) and (-webkit-device-pixel-ratio:3) {
}it
//iphone XR
@media only screen and (device-width: 414px) and (device-height: 896px) and (-webkit-device-pixel-ratio:2) {
}io
//橫屏webkit
@media all and (orientation : landscape) { di
} vi
//豎屏像素
@media all and (orientation : portrait){
}