/*全局样式*/
@charset "utf-8";
html {
    overflow-x: hidden;
}
body,ol,ul,h1,h2,h3,h4,h5,h6,p,th,td,dl,dd,form,fieldset,legend,input,textarea,
select {margin: 0;padding: 0}
body {font: 14px/1.5 "微软雅黑", "Arial Narrow", HELVETICA;color: #040e18;-webkit-text-size-adjust: 100%;overflow-x: hidden;min-width: 320px;max-width: 1920px;margin: 0 auto !important;}
input:required,
textarea:required {outline: 0 none;-webkit-box-shadow: none;-moz-box-shadow: none;-ms-box-shadow: none; -o-box-shadow: none; box-shadow: none;-webkit-appearance: none !important;}
input,textarea{appearance:none;-webkit-appearance:none;-moz-appearance: none; -o-appearance: none;outline: none;    }
*{margin:0; padding:0;}
a {text-decoration: none !important;cursor: pointer !important;color: #000;}
a:focus {outline: none !important;}
ul,li,dl,dt,dd{list-style-type:none;}
i{font-style:normal}
ul {margin: 0;}
li {list-style: none;}
img{max-width:100%;}
.container-fluid {max-width: 1230px !important;}
.tr5 {transition: all 0.5s;-moz-transition: all 0.5s;-ms-transition: all 0.5s;-o-transition: all 0.5s;-webkit-transition: all 0.5s;}
.tr2 {transition: all 0.3s;-moz-transition: all 0.3s;-ms-transition: all 0.3s;-o-transition: all 0.3s;-webkit-transition: all 0.3s;}
.overflow { overflow: hidden;text-overflow: ellipsis;white-space: nowrap;max-height: initial}
.bjcover{background-position: 50% 50%; background-size: cover;transition: all 0.3s;-moz-transition: all 0.3s;-ms-transition: all 0.3s;-o-transition: all 0.3s;-webkit-transition: all 0.3s;}


/*pc导航*/
header{position: fixed;z-index: 111;left: 0;top:0;width: 100%;}
header .logo{line-height:100px;height:100px;font-size: 0;position: relative;}
header .logo img:nth-child(1){opacity: 1;}
header .logo img:nth-child(2){max-height:60%;display: block;position: absolute;left: 0;top:0;bottom: 0;margin: auto 0;opacity: 0;}

header .tt{font-size:20px;color: #fff;padding-left: 10px;line-height: 100px;}
header .tt i{font-size:22px;padding-right: 8px;line-height: 80px;position: relative;bottom: -1px;opacity: .8;}

header nav{}
header nav a{transition: all 0.3s;}
header nav ul{font-size: 0;margin:0;}
header nav ul > li{position: relative;text-align: center;display: inline-block;vertical-align: top;padding: 0 12px;}
header nav ul > li > a{position: relative; line-height:100px; display:block; color: #fff;font-size: 16px;}
header nav ul > li:after{content: "";width:0;height:3px;background:#003999;position: absolute;left: 0;right: 0;bottom: 0;margin: 0 auto;transition: all 0.3s;}
header nav ul > li:hover:after{width: 100%;}
header nav .ul{display:none;position: absolute;left: 0;top:100%;width: 140%;margin-left: -20%;background:rgba(255,255,255,.9);padding:15px 0;box-shadow: 0 0 10px rgba(0,0,0,.1)}
header nav .ul a{font-size: 14px;color: #333;line-height: 22px;padding:6px;display: block;}
header nav .ul a:hover{background-color: #003999;color: #fff;}
header nav .ul a.active{background-color: #003999;color: #fff;}
/*手机二级菜单需要的事件*/
header .djgbnav1{display: none;}
header .djgbnav2{display: none;}
header nav ul > li i{display: none;}
/*banner*/
.banner{position: relative;z-index: 1;overflow: hidden;}
.banner .bjcover{height: 100vh;}
header.active{background-color: rgba(255,255,255,1);box-shadow: 0 6px 12px rgba(0,0,0,.08);}


.main66{padding-top: 40px;padding-bottom: 20px;}
.main1 .box{font-size: 0;text-align: center;}
.main1 .box .list{display: inline-block;vertical-align: top;padding: 14px;width: 25%;}
.main1 .box .list:nth-child(n+2){border-left: 1px solid #ddd;}
.main1 .box .list .tt1{font-size: 20px;color: #333;height: 48px;overflow: hidden;}
.main1 .box .list .tt1 span{font-size: 44px;color: #003999;line-height: 0;font-weight: bold;position: relative;bottom: -1px;}
.main1 .box .list .tt1 span b{font-size: 44px;color: #003999;line-height: 47px;}
.main1 .box .list .tt1 span i{font-size: 37px;position: relative;bottom: 4px;}
.main1 .box .list .tt2{font-size: 18px;line-height: 150%;margin-top:8px;}
.main2.main66{padding-bottom: 110px;}
.main2{position: relative;}
.main2 .container-fluid{position: relative;z-index: 3;}
.main2:after{content: "";width: 50%;height: 100%;background: #f4f4f4;position: absolute;left: 0;bottom: 0;z-index: 1;}
.main2:before{content: "";width: 0;height: 0;border-bottom: 111px solid #fff;border-left:960px solid transparent;position: absolute;right: 50%;bottom:0;z-index: 2;}
.title1{font-size: 36px;color: #040e18;margin-bottom: 20px;}
.title1 div{font-size: 20px;}
.main2 .box{position: relative;padding:0px 0 0px calc(50% + 140px);}
.main2 .box .bjcover{position: absolute;left: 0;top:0;width:calc(50% + 90px);height: 100%;}
.main2 .box .tt1{font-size: 16px;color: #040e18;line-height: 30px;max-height: 270px;overflow: hidden;}
.main2 .box .tt2{font-size: 0;margin:30px -10px 0;}
.main2 .box .tt2 a{display: inline-block;vertical-align: top;width: calc(33.33% - 20px);margin: 0 10px;max-width: 136px;border: 1px solid #ddd;box-shadow: 0 0 12px rgba(0,0,0,.1);padding: 18px 5px;position: relative;top:0;transition: all 0.3s;background: #fff;}
.main2 .box .tt2 a .img{height: 40px;font-size: 0;line-height: 40px;text-align: center;}
.main2 .box .tt2 a .img img{max-height: 100%;transition: all 1s;}
.main2 .box .tt2 a .tt3{font-size: 18px;font-weight: bold;color:#003999;line-height: 24px;margin-top: 12px;text-align: center;height: 24px;overflow: hidden;}
.main2 .box .tt2 a:hover{top:-4px;}
.main2 .box .tt2 a:hover .img img{transform:rotateY(360deg);}



.title2{font-size: 36px;color:#040e18;padding-right: 00px;position: relative;margin-bottom: 40px; width:100%; text-align:center;}
.title2 div{font-size: 18px;line-height: 26px;margin-top: 6px;width: 100%;}
.title2 a{font-size: 16px;color: #003999;width: 170px;line-height:50px;height: 50px;background: #fff;box-shadow: 0 0 10px rgba(0,0,0,.1);display: block;border-radius: 30px;text-align: center;position: absolute;right: 0;top:0;bottom: 0;margin: auto 0;transition: all 0.3s;}
.title2 a i{padding-right: 8px;}
.title2 a:hover{background-color: #003999;color: #fff;}


/*产品中心*/
.main3 .box .list{height: 305px;width: 50%;float: left;position: relative;padding: 50px 50px 0 100px;}
.main3 .box .list:after{content: "";width: 100%;height: 100%;background: rgba(0,57,153,.4);position: absolute;left: 0;top:0;z-index: 2;transition: all 0.3s;opacity: 0;}
.main3 .box .list:nth-child(n+2){padding: 50px 50px 0 60px;}
.main3 .box .list:nth-child(1){height: 610px;}
.main3 .box .list .bjimg{display: block;position: absolute;left: 0;top:0;width: 100%;height: 100%;z-index: 2;}
.main3 .box .list .bjimg .img{height: 100%;}
.main3 .box .list .bjimg .img div{height: 100%;}
.main3 .box .list .tt1{font-size: 36px;color: #fff;position: relative;z-index: 3;font-weight: bold;line-height: 140%;}
.main3 .box .list:nth-child(n+2) .tt1{color: #333;}
.main3 .box .list .tt2{font-size: 16px;color: #fff;border: 2px solid rgba(255,255,255,1);display: block;width:180px;line-height: 50px;position: relative;z-index: 5;text-align: center;border-radius: 30px;margin-top:40px;opacity: 0;}
.main3 .box .list .tt2 i{padding-left:5px;position: relative;top:1px;font-size: 15px;}
.main3 .box .list .tt2:hover{background-color: #fff;border-color: #fff;color: #003999;}
.main3 .box .list .tt3{font-size: 0;position: absolute;left: 0;right: 50px;bottom: 50px;z-index: 4;text-align: right;}
.main3 .box .list .tt3 a{display: inline-block;vertical-align: bottom;margin-left: 22px;max-width:calc(50% - 140px);}
.main3 .box .list .tt3 a img{max-height: 150px;transition: all 0.3s;position: relative;top:0;}
.main3 .box .list:nth-child(1) .tt3 a img{max-height: 160px;}
.main3 .box .list:nth-child(1) .tt3{right: 100px;bottom: 100px;}
.main3 .box .list:nth-child(n+2) .tt3 a:nth-child(n+3){display: none;}
.main3 .box .list:nth-child(1) .tt3 a{max-width:calc(33.33% - 28px);}
.main3 .box .list:nth-child(1) .tt3 a:nth-child(3){display: inline-block;}
.main3 .gd{display: none;}

/*技术认证*/
.main4 .bjcover{padding-top:26.666%;min-height:100px;position: relative;}
.main4 .bjcover a{display: block;width: 200px;line-height: 54px;border: 2px solid #fff;height: 56px;font-size: 16px;color: #fff;text-align: center;border-radius: 30px;position: absolute;left: 0;right: 0;top:0;bottom: 0;margin: auto;background: rgba(0,0,0,.5);transition: all 0.3s;}
.main4 .bjcover a i{padding-left: 6px;}
.main4 .bjcover a:hover{background-color: #fff;color: #003999;border-color: #003999;}

.title2.title3{text-align: center;padding: 0;}
.title2.title3 div{max-width: 100%;}


/*新闻中心*/
.main5{background: #F4F4F4;}
.main5 .lb5{margin: -4px;}
.main5 .list{display: block;padding: 14px;margin: 4px;}
.main5 .list .bjcover{padding-top:55%;}
.main5 .list .tt1{font-size: 13px;color: #040e18;margin-top: 20px;}
.main5 .list .tt2{font-size: 18px;color: #040e18;font-weight: bold;line-height: 26px;height: 52px;overflow: hidden;margin-top: 10px;}
.main5 .list .tt3{font-size: 14px;color: #999;margin-top: 10px;}
.main5 .list .tt4{font-size: 14px;color: #040e18;line-height: 26px;height: 52px;overflow: hidden;margin: 4px 0 6px;}
.main5 .list:hover{box-shadow: 0 0 14px rgba(0,0,0,.1);background: #fff;}
.main5 .list .tt2:hover{color: #003999;}
.main5 .swiper-container{padding-bottom: 110px;}
.main5 .swiper-button-prev{width: 54px;height: 54px;line-height: 54px;text-align: center;background: #fff;box-shadow: 0 0 10px rgba(0,0,0,.1);font-size: 22px;color:#444444;left: calc(50% - 128px);bottom: 15px;margin: 0;top:auto;border-radius: 50%;}
.main5 .swiper-button-next{width: 54px;height: 54px;line-height: 54px;text-align: center;background: #fff;box-shadow: 0 0 10px rgba(0,0,0,.1);font-size: 22px;color:#444444;right: calc(50% - 128px);bottom: 15px;margin: 0;top:auto;border-radius: 50%;}
.main5 .swiper-button-prev:before{position: relative;top:1px;}
.main5 .swiper-button-next:before{position: relative;top:1px;}
.main5 .swiper-button-prev:hover{background-color: #003999;color: #fff;}
.main5 .swiper-button-next:hover{background-color: #003999;color: #fff;}
.main5 .gd{width: 108px;line-height: 54px;height: 54px;box-shadow: 0 0 10px rgba(0,0,0,.1);display: block;background: #fff;margin: 0 auto;position: absolute;left: 0;right: 0;bottom: 15px;border-radius: 40px;text-align: center;font-size:20px;color:#003999;transition: all 0.3s;}
.main5 .gd:before{bottom: -1px;position: relative;}
.main5 .gd:hover{background-color: #003999;color: #fff;border-color: #003999;}

/*品质管控体系*/
.main6 .box{margin-top: 20px;margin-bottom: 20px;text-align: center;}
.main6 .box .tt1{font-size: 36px;color: #fff;margin-bottom: 14px;}
.main6 .box .tt2{font-size:18px;color: rgba(255,255,255,.6);line-height: 34px;max-width: 800px;margin: 0 auto 44px;}
.main6 .box .tt3{font-size: 0;text-align: center;}
.main6 .box .tt3 a{display: inline-block;vertical-align: top;min-width: 210px;border: 1px solid #fff;line-height: 52px;border-radius: 30px;text-align: center;font-size: 18px;color: #fff;padding-right: 40px;position: relative;margin:20px 10px 0;transition: all 0.3s;}
.main6 .box .tt3 a i{position: absolute;right: 24px;font-size: 24px;top:-1px;}
.main6 .box .tt3 a:hover{background-color: #fff;color: #003999;}

/*获得更多支持*/
.main7 .box{font-size: 0;text-align: center;}
.main7 .box .list{display: inline-block;width:33.33%;padding: 30px 10px 0;max-width: 26%;vertical-align: top;}
.main7 .box .list .img{height: 90px;line-height: 90px;font-size: 0}
.main7 .box .list .img img{max-height: 100%;transition: all 1s;}
.main7 .box .list .tt{font-size: 24px;color: #040e18;line-height: 140%;margin-top:22px;}
.main7 .box .list:hover .img img{transform:rotateY(360deg);}
.main7 .box .list:hover .tt{color: #003999;}


/*艺东全球视野*/
.main8{background: #F4F4F4;}
.main8 .box{text-align: center;}
.main8 .gd{display:block;width: 210px;border: 1px solid #003999;line-height: 52px;border-radius: 30px;text-align: center;font-size: 18px;color: #003999;padding-right: 40px;position: relative;margin:40px auto 20px;transition: all 0.3s;}
.main8 .gd i{position: absolute;right: 24px;font-size: 24px;top:-1px;}
.main8 .gd:hover{background-color: #fff;color: #003999;}


footer{background:#000000;color: #fff;padding-bottom: 30px;}
footer .box1 .list1{width: 364px;float: left;font-size: 14px;line-height: 26px;}
footer .box1 .list1 .logo{display: block;margin-bottom: 10px;}
footer .box1 .list2{width: calc(20%  - 44px);float: left;text-align: center;padding: 0 10px;font-size: 0;}
footer .box1 .ul {display: inline-block;text-align: left;font-size: 0;}
footer .box1 .ul a{font-size: 14px;color: #fff;line-height: 22px;padding-bottom: 10px;display: block;font-weight: bold;}
footer .box1 .ul a:nth-child(1){font-size: 18px;font-weight: bold;padding-bottom: 18px;}
footer .box1 .ul a:hover{text-decoration: underline !important;}
footer .box2 {padding-bottom: 5px;}
footer .box2 .tt1{font-size: 20px;font-weight: bold;float: left;line-height: 40px;padding: 10px 0;}
footer .box2 .tt2{float: right;}
footer .box2 .tt2 a{font-size: 40px;color: #fff;position: relative;margin-left: 20px;display: inline-block;vertical-align: top;line-height: 40px;padding: 10px 0;}
footer .box2 .tt2 a img{position: absolute;width: 110px;border: 1px solid #ddd;right: 0;bottom: 100%;max-width: 110px;display: none;}
footer .box2 .tt2 a:hover img{display: block;}
footer .box3{border-top: 1px solid rgba(255,255,255,.2);padding-top: 10px;}
footer .box3 .ul{float: left;font-size: 0;padding-top: 10px;}
footer .box3 .ul a{display: inline-block;vertical-align: top;position: relative;font-weight: bold;padding-right: 19px;font-size: 14px;color: #fff;}
footer .box3 .ul a:after{content: "";width: 2px;height: 14px;background: rgba(255,255,255,.2);border-left: 1px solid #fff;position: absolute;right: 9px;top:0;bottom: 0;margin: auto 0;}
footer .box3 .ul a:nth-last-child(1):after{display: none;}
footer .box3 .ul a:hover{text-decoration: underline !important;}
footer .box3 .tt{float: right;padding-top: 10px;}



.banner2{height: 600px;}


/*内页共用*/
.ny{min-height:666px;padding: 44px 0 50px;}
.ny .zuo{width:260px;float: left;padding-right: 30px;}
.ny .you{width:calc(100% - 260px);float: left;}
.ny .zuo .top{line-height: 76px;background: #003999;margin-bottom: 2px;font-size: 22px;font-weight: bold;color: #fff;text-align: center;}
.ny .zuo .top span{font-size: 12px;color: #fff;font-family: 'Arial';text-transform: uppercase;}
.ny .zuo .ul1{margin-top: 3px;margin-bottom: 20px;}
.ny .zuo .ul1 > a{display:block;width: 100%;margin-bottom: 2px;line-height: 42px;background: #f1f1f1;color: #000;position: relative;padding: 0 34px 0 24px;transition: all 0.3s;}
.ny .zuo .ul1 > a i{position: absolute;right: 20px;top:0;color: #000;line-height: inherit;font-size: 80%;transition: all 0.3s;transform:rotate(-90deg)}
.ny .zuo .ul1 > a:hover{background: #003999;color: #fff;}
.ny .zuo .ul1 > a:hover i{color: #fff;}
.ny .zuo .ul1 > a.active{background: #003999;color: #fff;}
.ny .zuo .ul1 > a.active i{color: #fff;transform:rotate(0deg)}

/*二级*/
.ny .zuo .ul2{display:none;border: 1px solid #eee;margin-bottom: 2px;padding: 6px 20px;}
.ny .zuo .ul2.active{display:block;}
.ny .zuo .ul2 a{line-height: 42px;padding:0 10px 0 15px;width: 100%;position: relative;display: block;transition: all 0.3s}
.ny .zuo .ul2 a:nth-child(n+2){border-top:1px dashed #eee;}
.ny .zuo .ul2 a:hover{color: #003999}
.ny .zuo .ul2 a.active{color: #003999}
/*左侧联系我们*/
.ny .zuo .tt{border:1px solid #eee;margin-top: 3px;background: #fff;}
.ny .zuo .tt .tt1{color: #000;padding: 20px 0;padding-left: 60px;border-bottom: 1px solid #eee;background: url("../images/tu22.png") no-repeat 16px center;}
.ny .zuo .tt .tt1 span{color: #003999;font-size: 20px;display: block;font-weight: bold;}
.ny .zuo .tt .tt2{padding:10px;color: #464646;font-size: 14px;line-height: 26px;}
/*右侧顶部*/
.ny .you .top{font-size:20px;color: #000;font-weight: bold;border-bottom: 1px solid #eee;line-height:54px;margin-bottom:25px;position: relative;}
.ny .you .top .top2{position: absolute;right: 0;top:0;font-size: 14px;font-weight: 500;color: #000;}
.ny .you .top .top2 span{color: #003999;}
.ny .you .top .top2 a{color: #000;transition: all .2s;}
.ny .you .top .top2 a:hover{color: #003999;}



/*内页新闻*/
.nyxw .list{margin-bottom:20px;display: block;padding: 14px;border: 1px solid #e9e9e9;box-shadow: 0 4px 4px rgba(0,0,0,.06)}
.nyxw .list .img{width:calc(9% + 156px);float: left;}
.nyxw .list .img .bjcover{height:200px;}
.nyxw .list .tt{float: left;width: calc(91% - 156px);padding-left: 22px;}
.nyxw .list .tt1{font-size: 17px;color: #000;font-weight: bold;line-height: 27px;margin-top: 10px;}
.nyxw .list .tt2{color: #b1b1b1;font-size: 12px;line-height: 28px;}
.nyxw .list .tt3{color: #333333;line-height: 25px;height: 75px;overflow: hidden;}
.nyxw .list .tt4{width:96px;border: 1px solid #d9d9d9;border-radius: 20px;text-align: center;color: #333333;line-height: 29px;margin-top: 14px;position: relative;padding-right: 20px;}
.nyxw .list .tt4:after{content:"";width: 10px;height: 7px;background: url("../images/tu26.png") no-repeat center center;position: absolute;right: 20px;top:0;bottom:0;margin: auto 0;transition: all 0.3s;z-index: 1;}
.nyxw .list .tt4:before{content:"";width: 0;height: 7px;background: url("../images/tu27.png") no-repeat center center;position: absolute;right: 30px;top:0;bottom:0;margin: auto 0;transition: all 0.3s;z-index: 2;}
.nyxw .list:hover .tt4{background-color: #003999;color: #fff;border-color: #003999;}
.nyxw .list:hover .tt4:before{width: 10px;transition: all 0.3s;right: 20px;}


/*详情页*/
.danye{color:#000000;font-size: 14px;line-height: 180%;}
.danye .topbox{margin-bottom:24px;text-align: center;}
.danye .bt{color: #000;font-size: 22px;padding-bottom: 10px;}
.danye .rq{color: #555555;font-size: 14px;}
.danye .xian{width: 100%;height: 1px;margin-top: 14px;border-bottom: 1px dashed #ccc;}
.danye .img{margin:0 auto 18px auto;display: block;}
.danye .img img{display: block;margin: 0 auto; max-width:700px; max-height:600px; width:100%; height:auto;}
.danye .ditu{height:440px;position: relative;margin:20px auto;}
.danye .tit{ font-size:18px; font-weight:bold; color:#f00; width:100%; border-bottom:1px solid #f1f1f1; padding-bottom:10px; margin-bottom:10px;}


.nycp{margin: 0 -10px;}
.nycp .list{display: block;border: 1px solid #ddd;background: #fff;margin:0 10px 20px;float: left;width: calc(33.33% - 20px);}
.nycp .list .img{position: relative;padding-top: 80%;background: #fff;}
.nycp .list .img img{display: block;position: absolute;left: 0;right: 0;top:0;bottom: 0;margin: auto;max-height: 88%;max-width: 88%;transition: all 0.3s;}
.nycp .list:hover .img img{transform:scale(1.06);}
.nycp .list .tt{font-size: 15px;line-height: 50px;text-align:center;padding: 0 5px;border-top: 1px solid #ddd;background: #F8F8F8;}
.nycp .list:hover .tt{background-color: #003999;color: #fff;}


/*  */
.scene{padding: 30px 0; overflow: hidden;}
.scene-list{width: 100%; overflow: hidden;}
.scene-list li{width: calc(100% / 5); float: left;}
.scene-list .item{display: block; position: relative;}
.scene-list .item .img-box{position: relative; overflow: hidden;}
.scene-list .item .img-box::before{content: ""; display: block; padding-top: 155%;}
.scene-list .item .img-box img{position: absolute; top: 0; left: 0; bottom: 0; right: 0; margin: auto; width: 100%; height: 100%; object-fit: cover;}
.scene-list .item .mask{position: absolute; top: 0; left: 0; right: 0; bottom: 0; margin: auto; width: 100%; height: 100%; padding: 10px; display: flex; flex-direction: column; justify-content: center; align-items: center; background-color: rgba(255, 0, 0, 0.1);}
.scene-list .item .mask .text1{font-size: 20px; color: #fff; font-weight: bold;}
.scene-list .item .mask .text2{font-size: 16px; color: #fff; margin-top: 10px; display: none;}
.scene-list .item:hover .mask{background-color: rgba(255, 0, 0, 0.8);}
.scene-list .item:hover .mask .text2{display: block;}

/*  */
.environment{width: 100%; overflow: hidden; padding: 30px 0;}
.environment-list{width: calc(100% + 20px); overflow: hidden;}
.environment-list li{width: calc(100% / 4 - 20px); float: left; margin: 0 20px 20px 0;}
.environment-list .item{display: block; width: 100%;}
.environment-list .item .img-box{position: relative; overflow: hidden;}
.environment-list .item .img-box::before{content: ""; display: block; padding-top: 80%;}
.environment-list .item .img-box img{position: absolute; top: 0; left: 0; right: 0; bottom: 0; margin: auto; width: 100%; height: 100%; object-fit: cover;}
.environment-list .item .text{text-align: center; line-height: 30px; font-size: 14px; color: #333; padding-top:10px;}

/*  */
.partner{width: 100%; overflow: hidden; padding: 30px 0;}
.partner-list{width: calc(100% + 20px); overflow: hidden;}
.partner-list li{width: calc(100% / 5 - 20px); float: left; margin: 0 20px 20px 0;}
.partner-list .item{display: block; width: 100%;}
.partner-list .item .img-box{position: relative; overflow: hidden; border: 1px solid #eee;}
.partner-list .item .img-box::before{content: ""; display: block; padding-top: 50%;}
.partner-list .item .img-box img{position: absolute; top: 0; left: 0; right: 0; bottom: 0; margin: auto; max-width: 100%; max-height: 100%; object-fit: contain;}



/*transition: all 0.3s;*/
/*003999*/
/*transform:scale(1.06);*/

/*媒体查询开始*/
@media (min-width:991px){
    header nav ul > li:hover .ul{display: block;}
    header:hover{background-color: rgba(255,255,255,1);box-shadow: 0 6px 12px rgba(0,0,0,.08);}
    header:hover nav ul > li > a{color: #000;}
    header:hover nav ul > li:hover > a{color: #003999;}
    header:hover .logo img:nth-child(1){opacity: 0;}
    header:hover .logo img:nth-child(2){opacity: 1;}
    header:hover .tt{color: #000;}
    header.active nav ul > li > a{color: #000;}
    header.active nav ul > li:hover > a{color: #003999;}
    header.active .logo img:nth-child(1){opacity: 0;}
    header.active .logo img:nth-child(2){opacity: 1;}
    header.active .tt{color: #000;}
    
    .main3 .box .list:hover:after{opacity: 1;}
    .main3 .box .list:hover .bjcover{transform:scale(1.06);}
    .main3 .box .list:hover .bjcover{transform:scale(1.06);}
    .main3 .box .list:hover .tt1{color: #fff;}
    .main3 .box .list:hover .tt2{margin-top: 20px;opacity: 1;}
    .main3 .box .list .tt3 a:hover img{top:-4px;} 
    
    

}

@media (max-width:1349px){
/*    产品中心*/
    .main3 .box .list{padding: 40px 40px 0 50px;}
    .main3 .box .list:nth-child(n+2){padding: 40px 40px 0 50px;}
    .main3 .box .list .tt1{font-size: 30px;}
    .main3 .box .list .tt2{font-size: 14px;width:150px;line-height:40px;}
    .main3 .box .list .tt3{right: 30px;bottom: 30px;}
    .main3 .box .list .tt3 a{margin-left: 15px;}
    .main3 .box .list:nth-child(1) .tt3{right: 60px;bottom:60px;}
    .main3 .box .list .tt3 a{max-width:calc(50% - 120px);}


}
@media (max-width:1230px){
    .banner2{padding-top:48%;height: auto;}
}
@media (max-width:1199px){
    header .tt{display: none;}
    .title1{font-size: 30px;}
    .title1 div{font-size: 18px;}
    .main2 .box{padding:90px 0 90px calc(50% + 100px);}
    .main2 .box .bjcover{width:calc(50% + 60px);}
    .main2 .box .tt2{margin:30px -6px 0;}
    .main2 .box .tt2 a{width: calc(33.33% - 12px);margin: 0 6px;}
    .main2 .box .tt2 a .tt3{font-size: 18px;}


    /*新闻中心*/
    .main5 .lb5{margin:0;}
    .main5 .list{padding: 0;margin: 0;}
    .main5 .list:hover{box-shadow: 0 0 0;background:fixed;}

    /*品质管控体系*/
    .main6 .box{margin-top:0;margin-bottom: 0;}

    /*内页共用*/
    .ny{min-height: 333px;padding:20px 0 44px}
    .ny .zuo{width:100%;float: none;margin-bottom:20px;padding: 0;}
    .ny .you{width:100%;float: none;}
    .ny .zuo .top{font-size:17px;line-height:48px;text-align:left;padding: 0 20px;position: relative;}
    .ny .zuo .top i{color: #fff;font-size: 17px;display: block;position: absolute;right: 20px;top:0;margin: auto 0;line-height: inherit;}
    .ny .zuo .ul1{margin:0;display: none;}
    .ny .zuo .ul2{padding:4px 15px;}
    .ny .zuo .ul2 a{line-height:38px;padding: 0 15px;}

    





}
@media (max-width:991px) {
    .banner2{margin-top: 90px;}
    .banner{margin-top: 90px;}
    .banner .bjcover{height: auto;padding-top:71%;}
    
    /*移动导航按钮*/
    header .lanmu{width: 30px;font-size: 0;height: 21px;position: absolute;right: 15px;bottom:35px;cursor: pointer;z-index: 2;}
    header .lanmu i{display: inline-block;width: 100%;height: 3px;background: #003999;border-radius: 3px;transition: all 0.6s;}
    header .lanmu i:nth-child(2), .lanmu i:nth-child(3){width: 40%;margin:6px 0;}
    header .lanmu i:nth-child(2){margin-right: 10%;}
    header .lanmu i:nth-child(3){margin-left: 10%;}
    header .lanmu.active i:nth-child(1) {transform: rotate(45deg) translateY(4px) translateX(5px);}      
    header .lanmu.active i:nth-child(4){transform: rotate(-45deg) translateY(-8px) translateX(8px);}
    header .lanmu.active i:nth-child(2){transform: translateX(-30px);opacity: 0;}
    header .lanmu.active i:nth-child(3){transform: translateX(30px);opacity: 0;}
    
    header .logo{line-height:90px;height: 90px;max-width: calc(100% - 50px)}
    header .logo img:nth-child(1){opacity: 0;}
    header .logo img:nth-child(2){max-height:60%;display: block;position: absolute;left: 0;top:0;bottom: 0;margin: auto 0;opacity: 1;}

    header nav{width:170px;float: none;padding:60px 0;margin:0;position: fixed;left:-200px;top:0;height:100%;z-index:113;background: #fff;box-shadow: 2px 0 10px rgba(0,0,0,.1)}
    header nav.active{left: 0;}
    header nav ul{font-size: 0;margin:0 15px;}
    header nav ul > li{display:block;width:100%;text-align: left;padding: 0 40px 0 10px;border-bottom: 1px solid #ddd;}
    header nav ul > li:nth-last-child(1){border: 0;}
    header nav ul > li > a{line-height:40px; display:block; color: #333;font-size: 14px;}
    header nav ul > li:after{display: none;}
    header nav ul > li:hover > a{color: #003999;}
    header nav ul > li.active > a{color: #003999;}
    header nav ul > li i.glyphicon{display: block;position: absolute;right: 0;top:0;line-height: 40px;font-size:14px !important;width:30px;text-align: center;}
    header nav ul > li i.glyphicon.active{color: #003999;transform:rotate(180deg);}

    header nav .ul{display: none;position: relative;left: auto;top:auto;width:calc(100% + 55px);background: #fff;margin-left: -15px;padding: 0;}
    header nav .ul a{font-size:12px;color: #333;line-height: 22px;padding:6px 5px 6px 28px;display: block;border-top: 1px solid #ddd;}
    header nav .ul a:hover{background:fixed;color: #003999;}
    header nav .ul a.active{background:fixed;color: #003999;}
    header .djgbnav1{position: fixed;left:0;top:0;width: 100%;height: 100%;background:rgba(0,0,0,.4);z-index: 112;display:none;}
    header .djgbnav2{background: #fff;position:fixed;left: 0;top:0;line-height:50px;height:50px;font-size: 16px;color: #333;z-index: 114;width: 100%;padding: 0 20px;border-bottom: 1px solid #ddd;display: none;}
    header .djgbnav2:before{position: relative;top:2px;padding-right: 4px;}
    header{overflow: hidden;background: rgba(255,255,255,.9)}

    
    .main1 .box .list .tt1 span{font-size: 40px;}
    .main1 .box .list .tt1 span b{font-size: 40px;}
    .main1 .box .list .tt1 span i{font-size: 33px;}
    .main2.main66{padding-bottom:90px;}

    .main2:before{border-bottom:90px solid #fff;border-left:600px solid transparent;}
    .title1{font-size: 26px;color: #040e18;margin-bottom: 30px;}
    .title1 div{font-size:16px;}
    .main2 .box{padding:60px 0 60px calc(50% + 60px);}
    .main2 .box .bjcover{width:calc(50% + 30px);}
    .main2 .box .tt2 a{box-shadow: 0 0 0;}

/*    产品中心*/
    .main3 .box .list{height: auto;width: 100%;padding: 30px 15px 40px 20px;}
    .main3 .box .list:after{display: none;}
    .main3 .box .list:nth-child(n+2){padding: 30px 15px 40px 20px;}
    .main3 .box .list:nth-child(1){height: auto;}
    .main3 .box .list .tt1{font-size: 22px;}
    .main3 .box .list .tt2{margin-top:20px;opacity: 1;font-size: 13px;width: 140px;border-width: 1px;line-height:38px;}
    .main3 .box .list .tt3{position: relative;left: auto;right: auto !important;bottom: auto !important;text-align: left;margin-top: 30px;}
    .main3 .box .list .tt3 a{margin-left: 0;margin-right: 10px;max-width:calc(50% - 10px);}
    .main3 .box .list:nth-child(1) .tt3 a{max-width:calc(33.33% - 10px);}
    .main3 .box .list:nth-child(n+2) .tt2{border-color: #003999;color: #003999;background: #fff;}
    
    
    footer{padding-bottom: 20px;}
    footer .box1 .list1{line-height: 24px;}
    footer .box1 .list2{width:100%;padding: 0;text-align: left;margin-top:16px;display: none;}
    footer .box1 .ul {display:block;}
    footer .box1 .ul a{display: inline-block;vertical-align: top;padding-right: 20px;font-weight: normal;padding-bottom: 6px;}
    footer .box1 .ul a:nth-child(1){font-size: 17px;padding-bottom:10px;display:block;}
    footer .box2{display: none;}
    footer .box3 .ul{float:none;}
    footer .box3 .tt{float: none;padding-top: 10px;}


    .scene-list .item .mask .text1{font-size: 16px;}
    .scene-list .item .mask .text2{font-size: 12px; margin-top: 5px;}
    .environment-list{width: calc(100% + 10px);}
    .environment-list li{width: calc(100% / 3 - 10px); margin: 0 10px 10px 0;}
    .partner-list{width: calc(100% + 10px);}
    .partner-list li{width: calc(100% / 4 - 10px); margin: 0 10px 10px 0;}
    
}

@media (max-width:767px) {
    .main66{padding-top:33px;padding-bottom: 33px;}
    .main1{padding-top: 14px;padding-bottom: 14px;}
    .main1 .box .list{padding:14px 5px;width:50%;}
    .main1 .box .list:nth-child(n+2){border-left:0;}
    .main1 .box .list .tt1{font-size:15px;height:34px;}
    .main1 .box .list .tt1 span{font-size:30px;}
    .main1 .box .list .tt1 span b{font-size:30px;line-height: 30px;}
    .main1 .box .list .tt1 span i{font-size:25px;bottom: 3px;}
    .main1 .box .list .tt2{font-size:15px;line-height: 140%;margin-top:2px;}

    
    .main2.main66{padding-bottom:33px;margin-bottom: 33px;}
    .main2:after{width:100%;}
    .main2:before{display: none;}
    .title1{font-size: 22px;margin-bottom: 24px;}
    .title1 div{font-size:15px;}
    .main2 .box{padding: 0;}
    .main2 .box .bjcover{position: relative;left:auto;top:auto;width:100%;height: auto;padding-top:66%;}
    .main2 .box .tt1{font-size: 15px;margin-top: 20px;}
    .main2 .box .tt2{margin:20px -5px 0;}
    .main2 .box .tt2 a{width: calc(33.33% - 10px);margin: 0 5px;max-width: 120px;padding: 14px 5px;}
    .main2 .box .tt2 a .img{height: 30px;line-height: 30px;}
    .main2 .box .tt2 a .tt3{font-size:15px;font-weight: normal;margin-top:6px;}
    .main2 .box .tt2 a:hover{top:0}
    
    .title2{font-size:22px;margin-bottom: 26px;padding: 0;}
    .title2 div{font-size: 15px;line-height: 24px;max-width: 100%;}
    .title2 a{display: none;}
/*    产品中心*/
    .main3 .gd{display: block;font-size: 16px;color: #fff;width: 170px;line-height:50px;height: 50px;background: #003999;box-shadow: 0 0 10px rgba(0,0,0,.1);border-radius: 30px;text-align: center;transition: all 0.3s;margin: 24px auto 0;}
    .main3 .gd i{padding-left: 8px;}
    .main3 .gd:hover{opacity: .8;}

    /*技术认证*/
    .main4 .bjcover a{width:160px;line-height: 40px;border:1px solid #fff;height:42px;font-size: 14px;}

    /*新闻中心*/
    .main5 .list .tt1{display: none;}
    .main5 .list .tt4{display: none;}
    .main5 .list .tt2{font-size: 14px;font-weight: normal;line-height: 22px;height:auto;max-height: 66px;}
    .main5 .list .tt3{font-size: 12px;margin-top: 4px;}
    .main5 .swiper-container{padding-bottom: 80px;}
    .main5 .swiper-button-prev{width:42px;height: 42px;line-height: 40px;font-size:16px;left: calc(50% - 90px);bottom:10px;box-shadow: 0 0 0;border: 1px solid #ddd;}
    .main5 .swiper-button-next{width:42px;height: 42px;line-height: 40px;font-size:16px;right: calc(50% - 90px);bottom:10px;box-shadow: 0 0 0;border: 1px solid #ddd;}
    .main5 .gd{width:80px;line-height: 40px;height: 42px;font-size: 18px;bottom: 10px;box-shadow: 0 0 0;border: 1px solid #ddd;}


    /*品质管控体系*/
    .main6 .box .tt1{font-size:22px;margin-bottom: 10px;}
    .main6 .box .tt2{font-size:15px;line-height: 28px;margin-bottom: 30px;}
    .main6 .box .tt3 a{min-width:140px;line-height: 42px;font-size:16px;margin: 15px 5px 0;padding-right: 20px;}
    .main6 .box .tt3 a i{font-size: 22px;right: 15px;}

    /*获得更多支持*/
    .main7 .box .list{padding:0 5px 10px;max-width:inherit;}
    .main7 .box .list .img{height:50px;line-height: 50px;}
    .main7 .box .list .tt{font-size:16px;margin-top:14px;}

    /*艺东全球视野*/
    .main8 .gd{width:140px;line-height:42px;font-size: 16px;padding-right: 20px;margin: 24px auto 10px;}
    .main8 .gd i{font-size: 22px;right: 15px;}




    /*详情页*/
    .danye .bt{font-size: 18px;padding-bottom: 4px;}
    .danye .img{margin:0 auto 15px auto;}
    .danye .ditu{height:360px;margin: 15px auto;}
    .danye .xian{margin-top: 10px;}

    .nycp{margin: 0 -6px;}
    .nycp .list{margin:0 6px 12px;width: calc(50% - 12px);}
    .nycp .list .tt{font-size: 14px;line-height: 40px;}



    /*  */
    .environment-list li{width: calc(100% / 2 - 10px);}
    .environment-list .item .text{font-size: 12px; line-height: 20px;}
    .scene-list li{width: calc(100% / 2);}
    .partner-list li{width: calc(100% / 2 - 10px);}

    
   
}
@media (max-width:600px) {
    /*内页新闻*/
    .nyxw .list{margin-bottom:20px;padding: 10px;box-shadow: 0 0 0;}
    .nyxw .list .img{width:100%;float:none;}
    .nyxw .list .img .bjcover{height:auto;padding-top: 66%;}
    .nyxw .list .tt{float: none;width: 100%;padding-left: 0;padding: 0 10px;padding-bottom: 10px;}
    .nyxw .list .tt1{text-overflow:inherit;white-space:inherit;overflow: inherit;line-height: 24px;}
    .nyxw .list .tt3{height:auto;max-height: 100px;}
    

}

@media (max-width:479px) {

    
    
}
 /*手机底部*/
@media (max-width:991px) {
    footer{margin-bottom: 51px;}
    .sjdibu{height:50px;background:#003999;position:fixed; bottom:0; left:0; z-index:113; border-top:solid 1px #fff;width: 100%;text-align: center;font-size: 0;}
    .sjdibu .box1 a{display: inline-block;vertical-align: top;color: #fff;padding: 5px;}
    .sjdibu .box1 a span{ color:#fff; font-size:16px; line-height:20px;}
    .sjdibu .box1 a h6{ font-size:12px; line-height:20px;margin: 0;}
    .sjdibu .box2{ position: fixed; left: 0; bottom:51px; z-index:112; width: 100%;background: #fff;box-shadow: 0 -2px 4px rgba(0,0,0,.1);padding: 6px 0;display: none;}
    .sjdibu .box2 img{max-height: 140px;display: block;margin: 0 auto;} 
}