.top-cont h1 {
    font-size: 36px;
}
.top-cont h2 {
    font-size: 18px;
    font-weight: 350;
    margin: 0 0 6px 0;
}
.top-cont a{
    font-size: 17px;
}
.top-pic .top-img {
    margin-left: 63%;
}
.top-cont .banner2-button{
    margin-top: 10px;
}
.part_top{
    padding: 30px 0 10px;
    /* max-width:1074px; */
    margin: 0 auto;
    overflow: hidden;
}
.top-item{
    margin-right: 4%;
    text-align: center;
    width: 22%;
}
.top-item .topcont {
    float: none;
    margin-top: 20px;
}
.top-item img {
    float: none;
}
.top-item:last-child {
    margin-right: 0;
}
.web_part2 {display: none;}
.exp-text .exp-txt{
    text-align-last: left;
    text-align: justify;
    text-justify: distribute-all-lines;
}
.part3 .ptxt-min{display: none;}    

/*partner*/
.cp_tit {
    margin-bottom: 25px;
}

@media screen and (max-width: 1260px){
    .top-cont h1 {
        font-size: 34px;
    }
    .top-item {
        /* margin-right: 3%; */
        text-align: center;
        width: 100%;
    }
}
@media screen and (max-width: 1100px){
    .top-cont h1 {
        font-size: 31px;
    }
    .top-cont h2 {
        font-size: 18px;
    }
}
@media screen and (max-width: 1040px){
    .top-cont h1 {
        font-size: 28px;
    }
    .top-cont h2 {
        font-size: 16px;
    }
}
@media screen and (max-width: 905px){
    .mptitle h2, .part h2 {
        font-size: 30px;
        line-height: 40px;
    }
    .part3 .ptxt {
        font-size: 18px;
    }
}
@media screen and (max-width: 868px){
    .web_part2{display: inline-block;}
    .mptitle h2, .part h2 {
        font-size: 25px;
        line-height: 35px;
    }
    .part3 .ptxt {
        font-size: 15px;
    }
}
@media screen and (max-width: 735px){
    .top-cont .banner2-button{
        margin-top: 25px;
    }
}
@media screen and (max-width:530px){
    .top-cont h1 {
        font-size: 20px;
    }
    .top-cont h2 {
        font-size: 14px;
    }
    .top-cont .banner2-button{
        margin-top: 32px;
    }
}
@media screen and (max-width:390px){
    .top-cont h1 {
        font-size: 17px;
    }.top-cont h2 {
        font-size: 13px;
    }
    /* .top-cont .banner2-button{
        margin-top: 58px;
    } */
    .part3 .ptxt{display: none;}
    .part3 .ptxt-min{display: block;}
}