hongze_yb_xcx/custom-tab-bar/index.wxss

.tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #fff;
  display: flex;
  padding-top:5px;
  padding-bottom: calc(5px + constant(safe-area-inset-bottom));
  padding-bottom: calc(5px + env(safe-area-inset-bottom));
  box-shadow: 0px -3px 6px rgba(203, 203, 203, 0.16);
  z-index:50;
}

.tab-bar-item {
  flex: 1;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.tab-bar-item .icon {
  width: 22px;
  height: 22px;
}

.tab-bar-item .text {
  font-size: 10px;
  margin-top:3px;
}