.caseService1 {
    max-width: 1200px;
    margin: 0 auto;
    word-wrap: break-word;
    padding: 40px 0;
    font-family: "Helvetica Neue", Helvetica, Arial, Tahoma, "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei", sans-serif;
}

.caseService1 * {
    box-sizing: border-box;
}

.caseService1Top {
    text-align: center;
}

.caseService1Top .title {
    font-size: 24px;
    color: rgb(16, 170, 156);
    font-weight: bold;
    margin-bottom: 22px;
    line-height: 34px;
}

.caseService1Top .titleDec {
    font-size: 14px;
    color: rgb(191, 191, 191);
    width: 80%;
    margin: 0 auto;
    margin-bottom: 40px;
}

.caseService1List:after {
    content: "";
    height: 0;
    display: block;
    visibility: hidden;
    clear: both;
}

.caseService1List .caseService1Item {
    width: 23%;
    float: left;
    margin-right: 2%;
}

.caseService1List .caseService1Item:nth-child(4n) {
    margin-right: 0;
}

.caseService1List .caseService1Item .imgBox .image-animation {
    max-width: 100%;
    border: 0;
    display: block;
    width: 276px;
    height: 380px;
    object-fit: cover;
}

.caseService1List .caseService1Item .imgHoverBox {
    display: none;
}

.caseService1List .caseService1Item .imgBox:hover .imgNormalBox {
    display: none;
}

.caseService1List .caseService1Item .imgBox:hover .imgHoverBox {
    display: block;
}

.caseService1List .caseService1Item .title {
    text-align: center;
    border-bottom: 2px solid rgb(16, 170, 156);
    padding: 10px;
    font-size: 16px;
    font-weight: bold;
    line-height: 42px;
    color: #3f3f3f;
}