.productCenter7 {
  max-width: 1800px;
  margin: 0 auto;
  padding: 40px 0;
}

.productCenter7 * {
  box-sizing: border-box;
}

.productCenter7Top {
  text-align: center;
  color: rgb(216, 216, 216);
  font-size: 30px;
  padding: 10px;
  margin-bottom: 30px;
}

.productCenter7Top .enTitle {
  color: rgb(63, 63, 63);
  line-height: 1.5;
  margin-left: 16px;
}

.productCenter7Top .title {
  color: rgb(14, 107, 192);
  line-height: 1.5;
  margin-right: 16px;
}

.productCenter7Content {
  box-sizing: border-box;
}

.productCenter7Content:after {
  content: "";
  height: 0;
  display: block;
  visibility: hidden;
  clear: both;
}

.productCenter7Content .productCenter7Item {
  float: left;
  margin-right: 20px;
  box-sizing: border-box;
  transition: all 0.6s;
}

/* .productCenter7Content .productCenter7Item:first-child {
    width: 432px;
    height: 514px;
}

.productCenter7Content .productCenter7Item:first-child .content {
    margin-bottom: 0;
} */

.productCenter7Content .productCenter7Item:nth-child(1) .content,
.productCenter7Content .productCenter7Item:nth-child(3) .content {
  width: 500px;
  height: 300px;
}

.productCenter7Content .productCenter7Item:nth-child(1) .content:nth-child(2),
.productCenter7Content .productCenter7Item:nth-child(3) .content:nth-child(2) {
  width:500px;
  height:300px;
}

.productCenter7Content .productCenter7Item:nth-child(2) .content {
 width:400px;
  height:300px;
}

.productCenter7Content .productCenter7Item:nth-child(2) .content:nth-child(2) {
 width:400px;
  height:300px;
}

/* .productCenter7Content .productCenter7Item:nth-child(2) {
  margin-right: 0;
} */

.productCenter7Content .productCenter7Item .content {
  margin-bottom: 20px;
  display: block;
  height: 100%;
}

.productCenter7Content .productCenter7Item .imgHoverBox {
  display: block;
  width: 100%;
  height: 100%;
  transition: all 0.6s;
}

.productCenter7Content .productCenter7Item .imgHoverBox {
  display: none;
  width: 100%;
  height: 100%;
}

.productCenter7Content .productCenter7Item .imgNormalBox {
  height: 100%;
}

.productCenter7Content .productCenter7Item .imgNormalBox img,
.productCenter7Content .productCenter7Item .imgHoverBox img {
  max-width: 100%;
  display: block;
  border: 0;
  width: 100%;
  height: 100%;
  transition: all 0.6s;
  object-fit: cover;
}

.productCenter7Content .productCenter7Item .content:hover .imgNormalBox {
  display: none;
}

.productCenter7Content .productCenter7Item .content:hover .imgHoverBox {
  display: block;
}

.productCenter7Content
  .productCenter7Item
  .productCenter7HideItem:hover
  .imgNormalBox {
  display: block;
}