.bottom{
    width: 100%;
    height: 195px;
    background: #373737;
    font-size: 3px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #B4B4B4;
    line-height: 6px;
    opacity: 0.8;
    float: left;
}
.bottom_content{
    width: 1000px;
    height: 110px;
    margin: 0  auto;
    padding-top: 20px;
}
.bottom_left{
    width: 33%;
    float: left;
}
.bottom_left_one{
    width: 100%;
    display: flex;
    margin: 15px 0px;
}

.aa{
    align-self: center;
    margin-left: 10px;
    font-size: 12px;
}
.bottom_in{
    width: 33%;
    float: left;
    text-align: center;
    padding-top: 10px;
    font-size: 12px;
}
.bottom_right{
    width: 33%;
    float: left;
    display: flex;
}
.bottom_right_img{
    width: 40%;
    text-align: center;
    margin: 20px 0px 0px 17%;
}
.bb{
    font-size: 13px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
}