@media screen and (max-width:1660px) {

	.oneNav{ line-height: 90px;}
	.zwHeader{ height: 90px;}
	.zw{margin-top: -90px; padding-top: 90px;}
	/* .idxBanImg{   height: calc(100vh - 90px); } */
	.neiBanImg{  max-height: calc(100vh - 90px); }

	.neiBan{ max-height: calc(100vh   - 90px);}
	/* .neiBanImg{  height:  calc(100vh   - 90px); } */
	.honorList li{ width: calc((100% - 100px)/3); margin-right:50px;}

}

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

	body{ font-size: 14px }

	.oneNav{ line-height: 80px;}
	.zwHeader{ height: 80px;}
	.zw{margin-top: -80px; padding-top: 80px;}
	/* .idxBanImg{   height: calc(100vh - 80px); } */
	.neiBanImg{  max-height: calc(100vh - 80px); }
	.neiBan{ max-height: calc(100vh   - 80px);}
	/* .neiBanImg{  height:  calc(100vh   - 80px); } */

	header .con{ padding: 0 3vw;}
	.logoImg{ height: 56px;}
	.idxbanMore .right::after{ width: 180%;}
	.idxbanMore .right{ margin-left: 70px;}
	.idxBan .roundImg{ left: -3vw;}
	.idxAbout .more .round{ width: 60px; height: 60px;}
	.numUl .iconfont{ font-size: 18px;}
	.partnerSwiper .swiper-slide{ height: 80px;}

	.idxBusCon{ height: 740px;}
	.idxBusLeft{ max-width: 645px;}
	/* .idxBusLeft .yffwIndexXun:nth-child(1){ top:calc( 100% * ( 240 / 840)); }
	.idxBusLeft .yffwIndexXun:nth-child(2){ top:calc( 100% * ( 380 / 840));}
	.idxBusLeft .yffwIndexXun:nth-child(3){ top:calc( 100% * ( 520 / 840));}
	.idxBusLeft .yffwIndexXun:nth-child(4){ top:calc( 100% * ( 660 / 840));} */

	.mySwiperBtn{ width: 60px; height: 60px;}
	.ewmBox{ width: 190px; height: 190px;}
	.subNav a{ line-height: 80px;}

	.neiBan .text{ padding-bottom: 80px;}
	.honorList li{ width: calc((100% - 80px)/3); margin-right: 40px;}

	.caselist a{ width: calc((100% - 40px)/2); margin-right: 40px;}
	
	.serviceUl li .serviceIcon{ height: 50px;}  
	.contactEwm{ width: 125px;}
 

	#back_top.onshow{ right: 10px;}
	#back_top .master_backTop .master_backTop_btn{ width: 56px; height: 56px;}
	.idxAbout .playIcon{ width: 100px; height: 100px;  margin-left: -50px; margin-top: -50px;   }
     
	/* .aboutNeiLogo{ height: 300px;  -webkit-mask-size: auto 96%;mask-size: auto 90%;}  */

}

@media screen and (max-width:1280px) { 

	.w80{ width: 90%;}

	 div.video-wrap{ width: 90vw;height: auto;}
	 .oneNav{ line-height: 70px;}
	 .zwHeader{ height: 70px;}
	 .zw{margin-top: -70px; padding-top: 70px;}
	 
	.neiBanImg{  max-height: calc(100vh - 70px);}
	/* .neiBan{ max-height: 80vh;}
	.neiBanImg{  height:80vh; } */

	header .con{ padding: 0 20px;}
	.logoImg{ height: 50px;}
	.oneNav{ font-size: 16px;}
	.idxbanMore .right{ width: 32px; height: 32px;}
	.partnerSwiper .swiper-slide{ height: 70px;}

	.idxBusCon{ height: 600px;}
	.idxBusLeft{    max-width: 535px;}
	/* .idxBusLeft .yffwIndexXun .yixDots .jdt{ width: 38px; height: 38px; left: -19px; top: -19px;} */
	.mySwiperBtn{ width: 50px; height: 50px;}
	.idxCase .pagination{ height: 3px;}
	.ewmBox{ width: 160px; height: 160px;}
	.numUl .iconfont{ font-size: 12px;}
	.idxAbout .more .round{ width: 50px; height: 50px;}
	.partnerSwiper .swiper-slide{ height: 60px;}
	.subNav a{ line-height: 70px;}
	.cultureIcon{ height: 70px;}
	.historyBot .swiper-slide{ height: 76px;} 
	.historyBot .swiper-slide.swiper-slide-thumb-active span{ border-width: 2px;}
	.neiBan .text{ padding-bottom: 70px;}
	.honorList li{ width: calc((100% - 60px)/3); margin-right: 30px;}
	.caselist a{ width: calc((100% - 30px)/2); margin-right: 30px;}

	.serviceUl li .serviceIcon{ height: 40px;}  
	.serviceUl li:hover::after,.serviceUl li.on::after{ height: 110%;  opacity: 1;}
	.contactEwm{ width: 110px;}

	.idxAbout .playIcon{ width: 80px; height: 80px;  margin-left: -40px; margin-top: -40px;   }
	
}

@media screen and (max-width:1040px) {

	.w80{ width: 94%;}
	.iPad-show{ display: block;}
	.iPad-none{ display: none !important;}
	
	.idxBusCon{ height: auto;}
	.idxBusRight{ width: 66%; height: 500px;}
	.idxBusRight li{ width: 60%;}
	.idxBusLeft{ max-width: 100%;}
	.idxBusConBg{ height: 500px;}
	.idxBusConImg{ position: relative;  right: auto; bottom: auto; top: auto; left: auto; }
	.idxBusConImg .img img{ height: 500px;}
	.idxBusLeft{ display: flex; height: 60px; line-height: 60px;}
	.idxBusLeft li{ flex: 1; text-align: center;}
	.idxBusLeft .yffwIndexXun  .yixDots { display: none !important;}
	.idxNewsItem .line-clamp2{-webkit-line-clamp:1}
	.ewmBox{ width: 125px; height: 125px;}
	.idxBusLeft .yffwIndexXun .yixTitle{ margin-left: 0;}

	/* .neiBan{ height: calc(100vh   - 60px);}
	.neiBanImg{  height:  calc(100vh   - 60px); } */
	.subNav a{ line-height:60px;}
	.cultureUl .line{ height: 50px;}
	.neiBan .text{ padding-bottom: 60px;}
	.cultureCon{ padding-left: 20px;}

	.honorList li{ width: 48%; margin-right: 4%;}
	.honorList li:nth-child(3n){ margin-right:  4%;}
	.honorList li:nth-child(2n){ margin-right: 0;}

	.subNav{  width: 100%;   overflow-x: scroll; }
	.subNav::-webkit-scrollbar { height:1px;}
	.subNav::-webkit-scrollbar-thumb {  background: #c1c1c1; height: 1px; }
	.subNav::-webkit-scrollbar-track {   background: #f1f1f1;height: 1px; }

	.sidebar .w80{  width: 100%; padding-left: 20px; overflow-x: scroll; }
	.sidebar .w80::-webkit-scrollbar { height:1px;}
	.sidebar .w80::-webkit-scrollbar-thumb {  background: #c1c1c1; height: 1px; }
	.sidebar .w80::-webkit-scrollbar-track {   background: #f1f1f1;height: 1px; }

	.busList li .more{ position: relative; margin-left: 0; margin-bottom: 0;}

	.caselist a{ width: calc((100% - 20px)/2); margin-right: 20px;}
	.teamUl{ width: 80%;}
	.newslist li .line-clamp3{-webkit-line-clamp:2}
	.contactEwm{ width: 95px;}
	 
	.idxAbout .playIcon{ width: 70px; height: 70px;  margin-left: -35px; margin-top: -35px;   }
	.idxAbout{ background: url(../images/idxAboutBg.jpg) no-repeat center center; background-size: cover; }
	.idxAbout::after{ display: block; content: ''; position: absolute; top: 0; left: 0; width: 100% ; height: 100%; position: absolute; left: 0; top: 0; background: rgba(255, 255, 255, .9);}
    
	.aboutNeiLogo{ height: 260px;  -webkit-mask-size: auto 90%;mask-size: auto 90%;} 
}
@media screen and (max-width:750px) {

	body{ font-size: 12px }
	.iconfont{ font-size: 16px;}

	.about_video_logo{height:38vh;}
    .about_video_ht{height:0;}


	header .con{ padding: 0 0 0 20px;}
	.w80{ width: calc(100% - 40px);} 
	.sidebar .w80{  width: 100%; padding-left: 20px;  }
	.idxbanMore .right{ width: 24px; height: 24px; margin-left: 30px;}
	.idxbanMore .right::after{ width: 160%;}
	.logoImg{ height: 42px;}
	.idxAbout .more{ display: flex; justify-content: flex-end; width: 100%;}
	.idxAbout .more .p20{ padding: 5px 18px; padding-right: 26px;}
	.idxAbout .more .round{ width: 32px; height: 32px;}
	.numUl li .radius50{ transform: scale(0.85); -webkit-transform: scale(0.85); -moz-transform: scale(0.85); -ms-transform: scale(0.85); -o-transform: scale(0.85);}
	.numUl .iconfont{ font-size:8px; }
	.partnerSwiper .swiper-slide{ height: 40px;}
	.idxBusConImg,.idxBusConImg{ height: 300px;}
	.idxBusRight{ position: relative; left: auto; right: auto; top: auto; bottom: auto; height: auto; width: 100%; padding: 20px;}
	.idxBusRight li{ width: 100%;}
	.idxBusRight .box{ background: none; border: 1px solid rgba(255, 255, 255, .25); }
	.idxBusLeft{ background: rgba(0, 0, 0, .1);}
	.idxCaseSwiper{ padding: 0;}
	.idxCase .idxCaseCon{ padding: 0 20px;  }
	.idxNewsLeft .text{ padding: 0;}
	.idxNewsLeft .text .line-clamp{ display: none !important;}
	.idxNewsLeft .text .tit{ margin: 5px 0;}
	.idxNewsMore span{ width: 16px; height: 16px;}
	.idxNewsMore span::after{ top: 50%; transform:translateY(-50%) ;left:8px; -webkit-transform:translateY(-50%) ; -moz-transform:translateY(-50%) ; -ms-transform:translateY(-50%) ; -o-transform:translateY(-50%) ; }
	.idxNewsRight a{ display: flex; justify-content: space-between; align-items: flex-start;}
	.idxNewsRight .img {width: 44%;}
	.idxNewsRight .text {width: 52%; padding: 0;}
	.idxNewsRight .text  .line-clamp2{ -webkit-line-clamp:1}
	.ewmBox{ width: 96px; height: 96px; margin-top: 15px; padding: 8px; }
	footer .bottom .left{ flex-wrap: wrap;}
	footer .bottom .left li:nth-child(3){ width: 100%; margin-top: 10px;}
	footer .bottom .right{ text-align: left;}

	.subNav a{ line-height: 50px;}
	
	.subNav a{ padding: 0 20px;}

	.neiBan{ height:360px;}
	.neiBanImg{  height:360px; }
	.neiBan .text{ padding-bottom: 50px;}

	.brief .numUl{ flex-wrap: wrap;}
	.brief .numUl li{ width: 50%; margin-bottom: 15px;}
	.cultureUl li{ padding:10px 20px ; flex-direction: row; align-items: center; justify-content: flex-start;}
	.cultureUl li .text{ text-align: left; padding-left: 20px;}
	.cultureIcon{ height: 50px;}
	.historyTop .line{ width: 100%; height: 1px; margin: 15px 0;}

	/* .busList li,.busList li:nth-child(2n){ flex-direction: column;} */
	.busList li .desc{ line-height: 1.6;}
	.caselist a{ width: 100%; margin-right: 0;}
	.teamUl{ width: 100%;}
	.serviceUl li:hover::after, .serviceUl li.on::after{ height: 100%;}
	.serviceUl li .serviceIcon{ height: 38px;}
	.newslist li .w60{ padding-bottom: 20px;}
	.newslist li .img{ padding-bottom: 166px;}
	.contactEwm{ width: 85px;}
	.mapBox{ height: 320px;}

	#subpage,.pglist span,.pglist button{ display: none !important}

	.contactStyle li{ width: 100%; border-right: none; border-bottom: 1px solid #e5e5e5;}
	.contactStyle li:last-child{ border-right: none;}
	.submitMessage,.resetMessage{ width: 35%;}

	.about_video_logo{-webkit-mask-image:none !important;mask-image: none !important;}
	
	.idxBan .text{ padding-top: 0;}

	.idxAbout .playIcon{ width: 60px; height: 60px;  margin-left: -30px; margin-top: -30px;   }
	
	.aboutNeiLogo{ height: 90px;}
	.idxSmll{ padding: 25px 0;}
}


@media screen and (max-width:420px) {

	.honorList li{ width: 100%; margin-right: 0;}
	.honorList li:nth-child(3n){ margin-right:  0;}

	.neiBan,.neiBanImg{ height: 300px;}
 }


@media screen and (min-width:750px) { }