.cont-chengnuo {
    width: 100%;
    height: 460px;
    background: #FFFFFF;
    margin: 20px 0;
}

.chengnuo-list {
    width: 100%;
    padding: 0 25px;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.chengnuo-list li {
    width: 610px;
    height: 160px;
    padding: 55px 25px 0;
    box-sizing: border-box;
    margin-bottom: 10px;
    box-shadow: 0px 2px 5px 0px rgb(0 ,0, 0, 0.2);
}

.chengnuo-list li h3 {
    width: 100%;
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #000000;
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.chengnuo-list li h3 img {
    margin-right: 5px;
}

.chengnuo-list li p {
    width: 100%;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #808080;
    line-height: 18px;
}

.chengnuo-list li:nth-child(1) {
    background: url(../images/new-hz-pc-show-chengnuo-list-back-1.png) no-repeat center center;
    background-size: 100% 100%;
}

.chengnuo-list li:nth-child(2) {
    background: url(../images/new-hz-pc-show-chengnuo-list-back-2.png) no-repeat center center;
    background-size: 100% 100%;
}

.chengnuo-list li:nth-child(3) {
    background: url(../images/new-hz-pc-show-chengnuo-list-back-3.png) no-repeat center center;
    background-size: 100% 100%;
}

.chengnuo-list li:nth-child(4) {
    background: url(../images/new-hz-pc-show-chengnuo-list-back-4.png) no-repeat center center;
    background-size: 100% 100%;
}
@media only screen and (max-width: 750px){
    .cont-chengnuo {
        height: auto;
        margin: 10px 0;
    }

    .chengnuo-list li {
        width: 100%;
        height: 130px;
        padding: 25px 15px 0;
    }

    .chengnuo-list li p {
        font-size: 12px;
    }
}