.aboutUs .about-banner {
    background: url('../img/case/5-1.png') no-repeat;
    background-size: 100% 100%;
}

.case{
    width: 100%;
    /*margin-top: 0.68rem;*/
    margin: 0.55rem 0 1.55rem;
}

.case img{
    display: block;
    width: 100%;
}

.case .caseList {
    display: flex;
    flex-wrap: wrap;
    width: 14rem;
    margin: 0 auto;
}

.case .caseList .caseItem {
    width: 3.15rem;
    height: 3.51rem;
    margin-right: .46rem;
    margin-bottom: 0.42rem;
}

.case .caseList .caseItem:nth-child(4n) {
    margin-right: 0;
}

.caseItem .caseImg {
    position: relative;
    width: 3.15rem;
    height: 3.51rem;
}

.caseItem .caseImg .caseImg1 {
    display: block;
    position: absolute;
    z-index: 1;
    width: 3.15rem;
    height: 3.51rem;
}

.caseItem .caseImg .caseImg2{
    width: 2.4rem;
    height: 3.06rem;
    /*padding-top: .25rem;*/
    /*padding-left: .52rem;*/
    position: absolute;
    top: 0.25rem;
    left: 0.52rem;
    border-top-right-radius: 0.4rem;
    border-bottom-left-radius: 0.4rem;
    border-bottom-right-radius: 0.4rem;
    overflow: hidden;
}

.caseImg2 img {
    display: block;
    width: 100%;
    height: 100%;
    transition: all 0.3s ease-in-out;
}

.caseItem:hover .caseImg2 img{
   transform: scale(1.2);
}

.casePage {
    display: flex;
    justify-content: center;
    width: 100%;
    padding-top: 0.8rem;
    padding-bottom: 1rem;
}

.casePage a {
    display: block;
    width: .42rem;
    height: .42rem;
    border: .01rem solid #DDDDDD;
    margin-right: 0.23rem;
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 500;
    font-size: 0.16rem;
    color: rgba(153, 153, 153, 0.6);
    line-height: .42rem;
    text-align: center;
}

.casePage a:hover {
    background: #4492C0;
    color: #FFFFFF;
}

.casePage a:last-child {
    margin-right: 0;
}

.casePage .case-active {
    background: #4492C0;
    color: #FFFFFF;
}