iPad Pro 12.9媒体查询不起作用

这里是iPad Pro 12.9英寸的工作代码。 由于信息严重不足,我苦苦挣扎,但我现在找到了工作参数。

// For both Portrait and Landscape
@media only screen
    and (min-device-width: 768px)
    and (max-device-width: 2732px)
    and (-webkit-min-device-pixel-ratio: 2){
       // CSS HERE
}

// For landscape
@media only screen
    and (min-device-width: 768px)
    and (max-device-width: 2732px)
    and (orientation:landscape)
    and (-webkit-min-device-pixel-ratio: 2){
       // CSS HERE
}

// For Portrait
@media only screen
    and (min-device-width: 768px)
    and (max-device-width: 2732px)
    and (orientation:portrait)
    and (-webkit-min-device-pixel-ratio: 2){
       // CSS HERE
}