.iab_zt1lb{
    line-height:62px;
    font-weight:400;
    font-size:42px;
}
.iab_zt2b1{
    font-weight:400;
    font-size:38px;
}
.znzz_ztar .iab_zt1lc{
    margin-top:58px;
}
.about3_ztl1{
    font-size:36px;
    line-height:50px;
}
.about3_ztl{
    width:31.97916666666667vw;
}
.about3_ztl2a{
    width:96%;
}
.about3_ztl2{
    text-align:justify;
}
.about3_ztr{
    width:36vw;
    text-align:center;
}
.hzhba_ztl1a{
    font-size:28px;
    line-height:32px;
    color:#000;
    margin-top:6px;
}
.hb{
    background:rgb(245, 245, 245);
}
@media only screen and (max-width: 1100px) {
    .iab_zt1 {
        padding-top: 10px;
        display: flex;
        justify-content: space-between;
        flex-direction: column;
        align-items: flex-start;
    }
    
.iab_zt1lb{
    line-height:34px;
    font-weight:400;
    font-size:22px;
    letter-spacing: 0.5px;
}
.iab_zt2b1{
    font-weight:400;
    font-size:20px;
}
.znzz_ztar .iab_zt1lc{
    margin-top:20px;
}
.about3_ztl1{
    font-size:18px;
    line-height:34px;
}
.ivideo_zt2 {
    font-size: 18px;
    margin-top:15px;
}
.btna {
    width: 30%;
    line-height: 50px;
    background: rgb(15, 168, 96);
    color: #fff;
    text-align: center;
}
}