.sctlist {
    display:flex;
    flex-wrap:wrap;}

.sctlist li {
    width: 23%;
    margin-right: 2%;
    background: #f2f7ff;
    border-bottom: 2px solid #126bbe;
    margin-bottom: 25px;
    box-sizing:border-box;}

.sctlist li:nth-child(4n) {
    margin-right: 0;}

.sctlist li:hover {
    background: #126bbe;}

.block {
    display:block;}

.sctlist li .img {
    height:140px;}

.zoomImg {
    width: 100%;
    overflow:hidden;
    position: relative;
    display:block;
    background: #f2f2f2 url() no-repeat center;}

.img img {
    width: 100%;}

.zoomImg img {
    width: 100%;
    transition:.5s;
    height: 100%;
    object-fit:cover;
    position:relative;}

.sctlist li:hover .zoomImg img {
    transform: scale(1.05);}

.sctlist li .txt {
    padding: 20px;}

.sctlist li .txt p {
    font-size:18px;
    color:#333;}

.sctlist li:hover .txt p {
    color:#fff;}