.tab-bar { position: fixed; bottom: 0; left: 0; right: 0; height: 89rpx; background: white; display: flex; box-shadow: 0 -10rpx 10rpx rgba(0,0,0,.1); } .tab-bar-item { flex: 1; text-align: center; display: flex; justify-content: center; align-items: center; flex-direction: column; } .tab-bar-item cover-image { width: 100%; height: 91rpx; } .tab-bar-item cover-view { position: relative; top: 0; width: 100%; left: 0; height: 90rpx; line-height: 90rpx; font-size: 30rpx; z-index: 99; margin-top: -90rpx; }