.academic_activities_list_top {
  display: grid;
  grid-column-gap: 20px;
  grid-template-columns: 1fr 1fr;
}

.academic_activities_list {
  margin-top: 30px;
  display: grid;
  grid-column-gap: 20px;
  grid-row-gap: 30px;
  grid-template-columns: 1fr 1fr 1fr;
}


.academic_activities_item {
  position: relative;
  height: 380px;
  border-radius: 8px;
  overflow: hidden;
}

.academic_activities_item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.academic_activities_item .tip {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  padding: 0 24px;
  background-color: rgba(0, 0, 0, 0.5);
  font-size: 30px;
  color: #FFFFFF;
  line-height: 82px;
  -webkit-line-clamp: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  box-sizing: border-box;
}

.academic_activities_list .academic_activities_item {
  height: 268px;
}

.academic_activities_list .academic_activities_item .tip {
  line-height: 56px;
  font-size: 24px;
}

@media screen and (max-width: 750px) {
  .academic_activities_item {
    height: 2.52rem !important;
  }

  .academic_activities_list_top {
    grid-column-gap: 0.22rem;
  }

  .academic_activities_item .tip {
    padding: 0 0.2rem !important;
    font-size: 0.28rem !important;
    color: #FFFFFF !important;
    line-height: 0.64rem !important;
  }

  .academic_activities_list {
    margin-top: 0.24rem;
    grid-column-gap: 0.22rem;
    grid-row-gap: 0.24rem;
    grid-template-columns: 1fr 1fr;
  }
}