.jgsz-items h4 {
    font-size: 0.25rem;
    font-weight: normal;
    font-stretch: normal;
    line-height: 0.3rem;
    color: #222222;

    position: relative;
    background-position: center center;
    background-size: cover;
    font-weight: bold;}

 .jgsz-items div   {}
     .jgsz ul li:hover .jgsz-items h4 {
        color: #ffffff;}