.productCenter7 {
    max-width: 1200px;
    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(2) .content {
    width: 400px;
    height: 272px;
}

.productCenter7Content .productCenter7Item:nth-child(2) .content:nth-child(2) {
    width: 400px;
    height: 222px;
}

.productCenter7Content .productCenter7Item:nth-child(3) .content {
    width: 282px;
    height: 272px;
}

.productCenter7Content .productCenter7Item:nth-child(3) .content:nth-child(2) {
    width: 282px;
    height: 222px;
}

.productCenter7Content .productCenter7Item:nth-child(3) {
    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;
}