.mid_content {
    margin-top: 1px;
    width: 100%;
    float: left;
    background: #f4f4f4;
}

.cr_col_2 {
    width: calc(100% - 282px);
    float: right;
}

.pic {
    width: 100%;
    float: left;
    position: relative;
}

img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}