.center_content {
    margin-bottom: 10px;
}

.rotation_div {
    width: 1000px;
    height: 602px;
    text-align: center;
    border-radius: 20px;
    position: relative;
    float: left;
}

.layui-carousel-ind li {
    width: 15px;
    height: 15px;
    margin: 0 8px;
}

#rotation img{
    width: 100%;
    height: 100%;
}


.mb_item {
    display: flex;
}

.mb_nav {
    margin: 0 30px;
}

.mb_img {
    display: block;
    width: 250px;
    height: 400px;
    border-radius: 5px;
    overflow: hidden;
}

.mb_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}