.promotion-tab-component {
  position: sticky;
  top: 0;
  display: flex;
  flex-flow: row nowrap;
  justify-content: space-around;
  z-index: 999;
}

.promotion-tab-component .tab-item {
  cursor: pointer;
  width: 100%;
}

.promotion-tab-component .tab-item img {
  display: block;
}

.promotion-tab-component .tab-item .img-normal {
  display: block;
}

.promotion-tab-component .tab-item.active .img-normal {
  display: none;
}

.promotion-tab-component .tab-item.active .img-active {
  display: block;
}

.promotion-tab-component .tab-item .img-active {
  display: none;
}