- 屏幕上安全距离:safe-area-inset-top
- 屏幕右安全距离:safe-area-inset-right
- 屏幕下安全距离:safe-area-inset-bottom
- 屏幕左安全距离: safe-area-inset-left
# IOS 11
padding-top: constant(safe-area-inset-top);
padding-right: constant(safe-area-inset-right);
padding-bottom: constant(safe-area-inset-botom);
padding-left: constant(safe-area-inset-left)
# IOS11.2+
padding-top: env(safe-area-inset-top);
padding-right: env(safe-area-inset-right);
padding-bottom: env(safe-area-inset-bottom);
padding-left: env(safe-area-inset-left);
# 兼容写法
padding-top: constant(safe-area-inset-top);
padding-top: env(safe-area-inset-top);