game-sdk/public/static/mini/fish_test/libs/style/tab.wxss

.tab {
  width: 100%;
  height: 96rpx;
  background-color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tab .tab_cell {
  flex: 1;
  height: 100%;
  width: 100%;
  color: #7d7e81;
  position: relative;
  font-size: 32rpx;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tab .active {
  color: #333;
  font-weight: 700;
}

.tab .active::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 58rpx;
  height: 8rpx;
  background: #1a83ff;
  border-radius: 100px;
}