@media screen  and (max-width: 1440px){
    .container {
        max-width: 1200px;
    }
}
.titleabout{
    color: #000000;
    font-size: 34px;
    font-weight: bold;
    line-height: 36px;
    text-align: center;
    margin: 0px 0 20px 0;
}

.banner_txt {
    left: 0;
    transform: translate(0%,-50%);
    width: auto;
    display: block;
    padding: 3% 3% 3% 10%;
}
.banner_txt h2{
   text-align: left;
}
.banner_txt div.bannerservebox{
    display: block;
    margin: 20px 0 0 0;
}



.casetwo{
    padding: 0;
}
.casetwo img{
    width: 100%;
}


.textbox{
    max-width: 1000px;
    margin: 0 auto;
}

.moviebox{
    padding: 0;
    font-size: 0;
}
.moviebox video{
    width: 100%;
}







/*关于我们文本*/
.aboutone{
    padding: 80px 0;
}

.aboutone .text {
    font-size: 17px;
    display: block;
    margin: 12px 0 0 0;
    overflow: hidden;
    font-weight: 400;
    color: rgba(102,102,102,1);
    line-height: 30px;
    text-align: center;
}



.serveimg{
    padding: 0 0;
    display: block;
    overflow: hidden;
}
.serveimg img{
    width: 100%;
}
.serveimg div:nth-child(1){
    padding-left: 0;
}
.serveimg div:nth-child(2){
    padding-right: 0;
}
.serveimg div span{
    display: block;
    overflow: hidden;
}
.serveimg div img{
    width: 100%;
    transition: all 0.3s;

}
.serveimg div img:hover{
    transform: scale(1.13);
}








@media screen and (max-width: 1200px) {
    .titleabout {
        font-size: 24px;
        line-height: 24px;
        margin: 0px 0 18px 0;
    }
}
@media screen and (max-width: 1000px) {

    .titleabout {
        font-size: 17px;
        line-height: 20px;
        margin: 0px 0 11px 0;
    }


    .aboutone {
        padding: 30px 0;
    }
    .aboutone .text {
        font-size: 13px;
        margin: 8px 0 0 0;
        line-height: 24px;
    }


}




@media screen and (max-width: 800px) {
    .serveimg div:nth-child(1){
        padding-right: 6px;
    }
    .serveimg div:nth-child(2){
        padding-left: 6px;
    }



}



@media screen and (max-width: 340px){
    .banner_txt h2 {
        font-size: 15px;
    }
    .banner_txt div.bannerservebox{
        margin: 10px 0 0 0;
    }

}