/* 底部 */
   .bottom {
    width: 100%;
    height: 425px;
    box-sizing: border-box;
    background: linear-gradient(94.33deg, #3D4A5F 6.29%, #1D2C43 99.15%);
    /* margin-top:70px; */
    position: relative;
    font-family: 'PingFang SC';
    font-style: normal;
    line-height: 21px;
    letter-spacing: 0.045em;
    color: #FFFFFF;
}
.bottom_main{
    width: 74%;
    margin:0 auto;
    display: flex;
    justify-content: space-between;
    padding-top:45px;
}
.bottom_bh{
    position: absolute;
    bottom: 19px;
    left: 50%;
    transform: translate(-50%,0);
    font-weight: 400;
    font-size: 12px;
    
}
.bottom_list{
    width: 62%;
    box-sizing: border-box;
    padding-left:5%;
    display: flex;
    justify-content: space-between;
}
.bottom_list p {     
    font-weight: 400;
    font-size: 12px;
    margin-bottom:13px;
}
.bottom_list .list_title{
    font-size: 14px;
    margin-bottom: 29px;
}
.bottom_introduce{
    padding-left:9%;
    width: 30%;
    box-sizing: border-box;
}
.bottom_introduce p{
    margin-bottom: 9px;
    font-weight: 400;
    font-size: 14px;
    text-align: left;
}
.bottom_introduce img{
    margin-bottom: 9px;
}