/* 研究领域首页专属样式 */
.research-areas-page h2 {
  font-weight: bold;
}
.research-areas-page .collection-list__item {
  height: 300px;
  padding-bottom: 0;
}
.research-areas-page .collection-list__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.research-areas-page .collection-list__overlay img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.research-areas-page .collection-list__overlay:before {
  z-index: 1;
}
.research-areas-page .collection-list__overlay:before:hover {
  opacity: .30;
}
.research-areas-page .collection-list__item:hover .collection-list__title-text {
  font-weight: bold;
}
.research-areas-page .o-layout__item {
  opacity: .60;
}
.research-areas-page .o-layout__item:hover {
  opacity: 1;
}