.marketing-hall {
  
}
.marketing-hall .tabs {
  display: flex;
  margin-top: 20px;
  border-bottom: 2px solid #4464F7;
}
.tab-item {
  padding: 10px 30px;
  border-radius: 10px 10px 0 0;
  background-color: #ffffff;
  margin-right: 10px;
  cursor: pointer;
}
.tab-item-active {
  background-color: #307bfc;
  color: #ffffff;
}
.marketinghall-banner {
  width: 100%;
  height: 200px;
}
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 800px;
  background-color: #ffffff;
}
.hidden {
  display: none;
  /* visibility: hidden; */
}
.hidden-iframe {
  visibility: hidden;
}