@charset "UTF-8";
/*
 * @Description: 专业精研社
 * @Author: hxh
 * @Date: 2025-06-11 09:17:52
 */
.sub-banner {
  background-image: url("../images/professional_research_club/sub_banner.png");
}

.demo-list {
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
      -ms-flex-wrap: wrap;
          flex-wrap: wrap;
}
.demo-list .demo-item {
  width: -webkit-calc(33.33% - 12px);
  width: -moz-calc(33.33% - 12px);
  width: calc(33.33% - 12px);
  height: 298px;
  overflow: hidden;
  border-radius: 12px 12px 12px 12px;
  margin-right: 18px;
  margin-top: 24px;
}
.demo-list .demo-item > a {
  display: block;
  height: 100%;
  position: relative;
}
.demo-list .demo-item:nth-child(3n) {
  margin-right: 0;
}
.demo-list .demo-item .item-img {
  height: 100%;
  width: 100%;
}
.demo-list .demo-item .item-img img {
  height: 100%;
  width: 100%;
  -webkit-transition: all 0.3s;
  -o-transition: all 0.3s;
  -moz-transition: all 0.3s;
  transition: all 0.3s;
}
.demo-list .demo-item .item-name {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 50px;
  line-height: 50px;
  background: rgba(13, 74, 166, 0.5);
  backdrop-filter: blur(10px);
  border-radius: 0px 0px 16px 16px;
  text-align: center;
  font-size: 20px;
  color: #ffffff;
  overflow: hidden;
  -o-text-overflow: ellipsis;
     text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 16px;
}
.demo-list .demo-item:hover img {
  -webkit-transform: scale(1.2);
     -moz-transform: scale(1.2);
      -ms-transform: scale(1.2);
       -o-transform: scale(1.2);
          transform: scale(1.2);
}