.column-1{
  height: 598px;
  background: url(../img/academicPage/banner.jpg)  no-repeat center center;
}
.column-1 .wrapper{
  padding-top: 95px;
}
.column-1-tit-img{
  display: block;
  margin: 0 auto;
}
.column-2{
  background: #f1fffc;
  
}
.column-2 .wrapper{  
  height: 100%;
  padding: 0 74px;
  padding-bottom: 140px;
  box-sizing: border-box;
}
.column-2-cont{
  width: 100%;
  margin-top: 20px;
}
.img-item{
  position: relative;
  width: 32.3%;
  margin-right: 1.5%;
  margin-bottom: 1.5%;
  transition: .6s all ease;
}
.img-item:hover{
  transform: scale(1.05);
}
.img-item:nth-child(3n){
  margin-right: 0;
}
.img-item img{
  width: 100%;
  height: auto;
  object-fit: cover;
}