.ny_banner img{
    width: 100%;
}
.dyTitle {
    padding: 80px 0 30px;
    box-sizing: border-box;
}
.home_title {
    font-size: 36px;
    font-weight: bold;
    text-align: center;
}
.home_desc {
    font-size: 0;
    text-align: center;
    margin-top: 12px;
}

.wrapper {
    position: relative;
    width: 1520px;
    margin: 0 auto;
}

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

@media screen and (max-width: 1720px) {

    .wrapper {
        width: 1320px;
    }
}

@media screen and (max-width: 1480px) {

    .wrapper {
        width: 1120px;
    }
}
@media screen and (max-width: 1199px){

    .wrapper {
        width: 100%;
        padding: 0 20px;
    }
    }
    @media screen and (max-width: 780px){

        .wrapper {
            padding: 0 15px;
        }
        }