.aboutBg{background-size: 100% auto;}
@media (max-width:768px){
    .aboutBg .aboutBg_div{display:none;}
}
    .pic-img {
        overflow: hidden;
        position: relative;
        padding-top: 165%;}

    .pic-img img {
        position: absolute;
        left: 0;
        top: 0;
        z-index: 2;
        object-fit: cover;
        width: 100%;
        height: 100%;}

    .zstp li:hover img {
        transform: scale(1.1);
        transition-duration: 1s;}

    .zstp li {
        width: 48%;}

    .zstp li p {
    font-size: 16px;
    line-height: 35px;
    color: #fff;
    padding: 10px 0;
    text-align: center;
    background-color: #920000;}
@media (max-width: 750px) {
   .zstp li {
        width:100%;}
}
.yqlj a{color: #ffffff93;}
.yqlj .p2{color:#fff;}