#father_nav {
    margin-bottom: 0;
}


#us_one,
#us_one img {
    display: inline-block;
    width: 100%;
}

#us_two {
    width: 100%;
    height: 437px;
    background: #fff;
}

.us_two_con {
    width: 1160px;
    height: 437px;
    margin: 0 auto;
}

.us_two_con div {
    float: left;
    width: 300px;
    height: 372px;
    padding-top: 65px;
}

.us_two_con div span {
    display: block;
}

.us_two_con div p {
    margin-bottom: 30px;
}

.us_two_con div p:nth-child(1) {
    width: 96px;
    /* height: 33px; */
    /* margin-bottom: 50px; */
}

.us_two_con div p:nth-child(1) img {
    display: inline-block;
    width: 100%;
    height: 100%;
}

.us_two_con div p span:nth-child(1) {
    font-size: 14px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 600;
    color: rgba(51, 51, 51, 1);
    line-height: 25px;
}

.us_two_con div p span:nth-child(2) {
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: rgba(102, 102, 102, 1);
    line-height: 25px;
}

.us_two_con dl {
    float: right;
    width: 180px;
    height: 337px;
    padding-top: 100px;
}

.us_two_con dl dt {
    width: 180px;
    text-align: center;
    font-size: 14px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 550;
    color: rgba(51, 51, 51, 1);
    line-height: 30px;
}
.us_two_con dl dd{
    width: 180px;
    height: 180px;
}
.us_two_con dl dd img{
    display: inline-block;
    width: 100%;
    height: 100%;
}

@media (max-width: 70rem) {
    .us_two_con{
        width: 100%;
    }
    .us_two_con div{
        margin-left: 2rem;
    }
    .us_two_con dl {
        position: absolute;
        margin-left: 55%;
    }
}