.fixedmeau{margin-top:50px;height: 55px;line-height: 55px}
.fixedmeau ul{width: 100%;display: flex;justify-content: center;border-bottom: 1px solid #E4E4E4;
    border-top: 1px solid #E4E4E4;}
.fixedmeau ul li{height: 55px;line-height: 55px;text-align: center;color: #FFFFFF;font-size: 18px;}
.fixedmeau ul li:not(:first-child){margin-left: 160px}
.fixedmeau ul li a{display: block;}
.fixedmeau ul li a.active{color: #f6461e}
.fixedmeau .nav-wrap.fixed{background-color: #FFFFFF;width: 100%;position: fixed;top: 0;z-index: 99;box-shadow: 0 3px 5px rgba(0,0,0,.3);-moz-box-shadow: 0 3px 5px rgba(0,0,0,.3);-webkit-box-shadow: 0 3px 5px rgba(0,0,0,.3);-o-box-shadow: 0 3px 5px rgba(0,0,0,.3);}
.about-main1{margin-bottom: 150px;}
.about-main1 .am1-content .c-left{width: 42%;}
.about-main1 .am1-content .c-left img{max-width: 100%;height: auto;}
.about-main1 .am1-content .c-right{width: 50%;font-size: 15px;}
/*.about-main1 .am1-content .c-right .text{padding-right: 100px;}
.about-main1 .am1-content .c-left .text{padding-left: 100px;}*/
.about-main1 .am1-content .text h3{font-size: 28px;margin-bottom: 15px;}
.about-main1 .am1-content dl{line-height: 30px;}
.about-main1 .am1-content dl:first-child{padding-top: 50px;}
.
.about-main1 .about-video .warper,.about-main1 .about-img a{height: 500px;background: no-repeat center center;text-align: center;line-height: 500px;display: block;background-size: cover;}
.about-main1 .about-video.none{display: none;}
.about-main1 .about-video video{width: 100%;height: 100%;}
.about-main1 .about-video ,.about-main1 .about-img{margin-top: 70px;}


@media only screen and (max-width:1600px ) {

}

@media only screen and (max-width:1440px ) {

}

@media only screen and (max-width:1366px ) {

}

@media only screen and (max-width:1200px ) {

}

@media only screen and (max-width:1024px ) {

}

@media only screen and (max-width:768px ) {
    .fixedmeau{margin-top: 0;height: 50px;line-height: 50px}
    .fixedmeau ul{width: auto;justify-content: space-around;border-top: none;}
    .fixedmeau ul li{height: 50px;line-height: 50px;width: auto;font-size: 15px}
    .fixedmeau ul li:not(:first-child){margin-left: 0}
    .fixedmeau .nav-wrap{padding-bottom: 0;}

    .about-container .about-main1{display: none;}
    .about-container .about-main1.selected{display: block;}
    .about-container .about-main1 .warper{padding: 0;}
    .about-container .about-main1 .line{display: none;}

    .about-main1{margin-bottom: 100px;}
    .about-main1 .am1-content .c-left{width: 100%;text-align: center;}
    .about-main1 .am1-content .c-right{width: 100%;margin-top: 20px;}
    .about-main1 .am1-content .text h3{font-size: 24px;}
    .about-main1 .am1-content .c-right .text,.about-main1 .am1-content .c-left .text{padding: 0 10px;}
    .about-main1 .about-video .warper, .about-main1 .about-img a{height: 400px;line-height: 400px;}
    .about-main1 .about-video, .about-main1 .about-img{margin-top: 50px;}
    .about-main1 .am1-content dl:first-child{padding-top:0;}
}

@media only screen and (max-width:480px ) {

    .about-main1{margin-bottom: 80px;}
    .about-main1 .am1-content .text h3{font-size: 20px;margin-bottom: 10px}
    .about-main1 .am1-content .c-right{font-size: 14px}
    .about-main1 .am1-content dl{line-height: 26px}
    .about-main1 .about-video, .about-main1 .about-img{margin-top: 30px;}
    .about-main1 .about-video .warper, .about-main1 .about-img a{height: 260px;line-height: 260px;}
    .about-main1 .about-video .video-btn img{max-height: 50px;}
}

@media only screen and (max-width:414px ) {
    .about-main1 .am1-content .text h3{font-size:18px;margin-bottom: 8px}
}

@media only screen and (max-width:375px ) {
    .about-main1 .am1-content .text h3{font-size: 16px}
}