.background_case {
  background: url(../images/case.png) no-repeat center top;
  background-size: cover;
}

.list_box {
  margin-top: 50px;
  width: 1200px;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-between;
}

.list_box::after {
  content: '';
  width: 30%;
  height: 0;
  visibility: hidden;
}

.list_item {
  width: 30%;
  height: 400px;
  box-sizing: border-box;
  position: relative;
  margin-bottom: 20px;
  cursor: pointer;
  transition: all .5s;
  overflow: hidden;
}
.list_item .list_image {
  width: 100%;
  height: 220px;
}
.list_item img {
  width: 100%;
  height: 100%;
  transition: all .5s;
}

.list_item:hover {
  transform: translateY(-10px);
  box-shadow: 0 5px 10px 0px rgba(0, 0, 0, 0.3);
}


.list_item:hover img {
  transform: scale(1.03);
}
.list_item:hover .detail_button,
.list_item:hover .item_title {
  color: #1354B7;
}
.list_box_bottom {
  width: 100%;
  height: 180px;
  padding: 0 5%;
  box-sizing: border-box;
  background-color: #F7F7F7;
}

.item_title {
  height: 60px;
  font-size: 20px;
  text-align: center;
  line-height: 60px;
  border-bottom: 1px solid #E4E4E4;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  transition: all .5s;
}

.item_desc {
  padding-top: 10px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #999999;
  height: 30%;
  width: 100%;
}

.detail_button {
  display: flex;
  flex-direction: row;
  align-items: center;
  height: 50px;
  width: 100%;
  color: #999999;
  font-size: 13px;
  margin-top: -5px;
  transition: all .5s;
}