# 示例 ```css // 修复 CUIQQ-3348 @media(orientation: landscape) { @supports (bottom: constant(safe-area-inset-bottom)) or (bottom: env(safe-area-inset-bottom)) { .ml-review__outer { height: calc(100vh - constant(safe-area-inset-bottom)) !important; height: calc(100vh - env(safe-area-inset-bottom)) !important; }   } } ``` > [关于javascript：检测移动设备的“缺口”](https://www.codenong.com/46318395)