.institution2 {
    height: 100%;
    width: 100%;
  }
  .image2 {
    position: relative;
    width: 100%;
    height: 58rem;
    background-image: url(../img/压缩5.png);
    background-repeat: no-repeat;
    background-size: 100% auto;
    transition: all 0.3s ease; /* 添加过渡效果 */
  }
  
  .imageTitle2 {
    width: 10rem;
    height: 10rem;
  }
  .imageTtitle2  image {
    width: auto;
    height: auto;
  }