/*   index.css*/
.search-show{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(255,255,255,0.9);z-index:1001;display:none;}
.search-show.active{display:block;}
.search-close{max-width:1280px;padding:78px 74px 0;margin:0 auto;}
.search-close>a>img{width:32px;height:32px;vertical-align:middle;}
.search-input{max-width:1280px;padding:0 74px;margin:0 auto;}
.search-input>input{box-sizing:border-box;padding:0 30px;margin-top:40px;color:#939393;font-size:14px;font-weight:bold;width:100%;height: 37px;border: 1px solid #aeadaa;font-family: "Gotham SSm A","Gotham SSm B";}
.search-input>input.active{box-shadow:0 0 3px #0099ff;}
.h-t-list{width:100%;background:#fff;border-top:1px solid #ccc;position:absolute;left:0;/*top:100px;padding:0 74px;*/display:none;}
.h-t-list.active{display:block;}
.h-t-list>li{height:40px;line-height:40px;font-size:16px;color:#666;}
.h-t-list>li>a{display:block;color:#666;border-bottom:1px solid #ccc;padding:0 10px;}
.dusty-header-container{background:#6b2a21;}
.dusty-header-nav{height:100px;max-width:1280px;margin:0 auto;padding:0 74px;position:relative;}
.dusty-logo-box{width:110px;height:37px;margin-top:32px;background:url(../images/logo_show.png) no-repeat;background-size:100% auto;}
.dusty-nav-box{padding-top:40px;}
.dusty-nav-icon{display:none;width:32px;height:32px;background:url(../images/nav-icon.png) no-repeat;background-size:100% auto;margin-right:20px;}
.h-nav-list{display:block;}
.h-nav-list>li{float:left;font-size:16px;margin-right:30px;width:70px;text-align:center;}
.h-nav-list>li>a{color:#fff;}
.h-nav-list>li>a:hover{border-bottom:2px solid #D95411;display:inline-block;padding-bottom:5px;}
.h-nav-list>li.active>a{border-bottom:2px solid #D95411;display:inline-block;padding-bottom:5px;}
.nav-search{position:relative;bottom:5px;}
/* .dusty-aside-container{height:900px;} */
.dusty-aside-content{max-width:1280px;margin:0 auto;padding:240px 74px 0;position:relative;display:block;}
.dusty-aside-title{font-size:20px;line-height:20px;color:#fff;margin-bottom:22px;}
.dusty-aside-theme{font-size:65px;line-height:65px;color:#fff;margin-bottom:32px;}
.dusty-aside-texe{font-size:35px;line-height:35px;color:#fff;margin-bottom:100px;}
.dusty-aside-download{width:78px;height:78px;border-radius:100%;background:#fff;display:block;}
.dusty-product-container{background:#fff;}
.dusty-space-container{background:#f8f8f8;padding:50px 0}
.dusty-space-top{max-width:1280px;margin:0 auto;padding:0 74px;position:relative;}
.dusty-about-us-theme,.dusty-service-theme,.dusty-space-theme{font-size:38px;color:#333;letter-spacing:2px;}
.dusty-about-us-theme>span,.dusty-service-theme>span,.dusty-space-theme>span{font-size:18px;color:#999;position:relative;bottom:-3px;}
.dusty-space-top .dusty-space-more{font-size:26px;color:#212226;line-height:26px;margin-top:18px;}
.dusty-space-more>span{display:inline-block;width:29px;height:26px;background:url(../images/more01.png) no-repeat;background-size:100% auto;position:relative;top:3px;}
.dusty-about-us-top .dusty-about-more{font-size:26px;color:#fff;line-height:26px;margin-top:18px;}
.dusty-about-more>span{display:inline-block;width:29px;height:26px;background:url(../images/more02.png) no-repeat;background-size:100% auto;position:relative;top:0px;}

.dusty-service-container{background:#fff;}
.dusty-about-us-container{height:928px;}
.dusty-about-us-content{max-width:1280px;margin:0 auto;padding:70px 74px 0;position:relative;}
.dusty-about-us-theme.active{color:#fff;}

.dusty-news-container{padding-top:75px;background:#fff;}
.dusty-news-list{max-width:1280px;margin:0 auto;padding:65px 74px 0;position:relative;}
.dusty-news-list ul{display:flex;flex-wrap: wrap;}
.dusty-news-list ul li{width:25%;height:268px;box-sizing:border-box;overflow:hidden;}
.dusty-news-list ul li a{display:block;width:100%;height:100%;background:rgb(255,255,255);transition:all .2s linear;position:relative;}
.dusty-news-list ul li a:hover{background:rgb(226,226,226);}
.dusty-news-inner{padding:40px 35px 0;}
.dusty-news-one-time{font-size:24px;color:#999;line-height:24px;margin-bottom:24px;}
.dusty-news-one-theme{font-size:20px;line-height:20px;color:#444;font-weight:bold;margin-bottom:20px;}
.dusty-news-one-text{font-size:16px;color:#999;text-align:justify;}
.dusty-news-more-icon{width:19px;height:9px;background:url(../images/right_icon.png) no-repeat;background-size:100% auto;position:absolute;bottom:24px;right:24px;}




/*不同屏幕下页面显示*/
@media screen and (min-width:1400px){
    .dusty-product-content{max-width:1280px;margin:0 auto;padding:80px 74px 100px;position:relative;}
    .dusty-product-list{display:flex;justify-content:space-between;}
    .dusty-product-list li{width:240px;padding:0 10px;}
    .dusty-product-one-icon{height:155px;margin-bottom:10px;}
    .dusty-product-one-icon.n1{background:url(http://oss.4asj.cn/desiqi/tubiao/zixun.png) no-repeat center center;}
    .dusty-product-one-icon.n2{background:url(http://oss.4asj.cn/desiqi/tubiao/yanfang.png) no-repeat center center;}
    .dusty-product-one-icon.n3{background:url(http://oss.4asj.cn/desiqi/tubiao/liangfang.png) no-repeat center center;}
    .dusty-product-one-icon.n4{background:url(http://oss.4asj.cn/desiqi/tubiao/pingmian.png) no-repeat center center;}
    .dusty-product-one-theme{font-size:28px;color:#6b2a21;text-align:center;font-weight:bold;}
    .dusty-product-one-text{font-size:18px;color:#666666;line-height:31px;margin-top:15px;text-align:center;}

    .dusty-service-theme{max-width:1280px;margin:0 auto;padding:75px 74px 80px;position:relative;}
    .dusty-service-content{height:415px;background:url(../images/service-line.jpg) no-repeat center center;}
    .dusty-service-main{max-width:1280px;margin:0 auto;padding:0 74px;position:relative;height:50px;}
    .dusty-service-info-icon.n1{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon01.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n2{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon02.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n3{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon03.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n4{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon04.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n5{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon05.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n6{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon06.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-theme{margin-top:10px;font-size:22px;color:#6b2a21;text-align:center;line-height:30px;padding:0 10px;}
    .dusty-service-info.n1{position:absolute;top:95px; left:74px;}
    .dusty-service-info.n2{position:absolute;top:212px; left:264px;}
    .dusty-service-info.n3{position:absolute;top:72px; left:525px;}
    .dusty-service-info.n4{position:absolute;top:170px; left:803px;}
    .dusty-service-info.n5{position:absolute;top:161px; left:1024px;}
    .dusty-service-info.n6{position:absolute;top:68px; left:1245px;}

    .dusty-space-top .dusty-space-more{font-size:26px;color:#212226;line-height:26px;margin-top:18px;}
    .dusty-space-more>span{display:inline-block;width:29px;height:26px;background:url(../images/more01.png) no-repeat;background-size:100% auto;position:relative;top:3px;}
    .dusty-about-us-top .dusty-about-more{font-size:26px;color:#fff;line-height:26px;margin-top:18px;}
    .dusty-about-more>span{display:inline-block;width:29px;height:26px;background:url(../images/more02.png) no-repeat;background-size:100% auto;position:relative;top:0px;}

    .dusty-about-introduce-content{margin-top:130px;position:relative;}
    .dusty-about-introduce-img{width:830px;height:498px;}
    .dusty-about-introduce-img>img{width:100%;vertical-align:center;}
    .dusty-introudce-inner{position:absolute;top:67px;right:0;width:653px;height:380px;background:#fff;box-sizing: border-box;padding:40px 70px 0 50px;;}
    .dusty-us-icon{position:absolute;bottom:0;right:0;width:93px;height:93px;background:url(../images/us_add.jpg) no-repeat;background-size:100% 100%;}
    .dusty-introduce-theme{font-size:25px;color:#000;line-height:25px;margin-bottom:32px;}
    .dusty-introduce-text{line-height:40px;font-size:18px;color:#666;}

    .dusty-immeda-preview-container{margin-top:145px;height:226px;background:url(../images/contact_banner.jpg) no-repeat center center;}
    .dusty-preview-content{max-width:1280px;margin:0 auto;padding:0 74px;position:relative;min-height:226px;}
    .dusty-preview-icon{width:271px;height:248px;position:absolute;top:-85px;left:-80px;/*background:url(../images/lu_icon.png) no-repeat;*/}
    .dusty-preview-form{margin-top:34px;float:right;}
    .dusty-preview-theme{font-size:30px;color:#ffff;}
    .dusty-preview-input-box{margin-top:20px;}
    .dusty-preview-input{float:left;width:261px;height:72px;background:#fff;border-radius:10px;box-sizing: border-box;margin-right:18px;}
    .dusty-preview-input>input{width:100%;height:100%;border-radius:10px;padding:0 20px;font-size:18px;box-sizing: border-box;}
    .dusty-preview-btn{outline:none;text-align:center;line-height:72px;font-size:24px;background:linear-gradient(to bottom,#184075,#285ea7);border-radius:10px;width:220px;color:#fff;}
    
    .swiper_2{display:none;}
    .swiper_3{display:none;}
    .dusty-swiper-show{padding-top:50px;}
    .swiper-container {width: 100%;}
    .swiper-slide {position:relative;}
    .swiper-slide:hover a{display:block;}
    .swiper-slide img{width:100%;height:auto;vertical-align:bottom;}
    .swiper-slide a{display:none;width:100%;height:100%;position:absolute;top:0;left:0;background:rgba(0,0,0,0.3);box-sizing:border-box;padding:50px 30px 0;}
    .swiper-slide a .dusty_theme_one{font-size:25px;line-height:20px;color:#fff;font-weight:bold;margin-bottom:20px;}
    .swiper-slide a .dusty_theme_two{font-size:22px;line-height:30px;color:#fff;margin-bottom:20px;}
    .swiper-slide a .dusty_text_three{font-size:14px;color:#dfdfdf;line-height:27px;display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 4;
        overflow: hidden;}
    .dusty_t_icon{width:100px;height:38px;background:url(../images/zx_icon.png) no-repeat;background-size:100% auto;position:absolute;bottom:35px;right:40px;}
}
@media screen and (max-width: 1399px) and (min-width: 1280px){
    .dusty-product-content{max-width:1280px;margin:0 auto;padding:80px 74px 100px;position:relative;}
    .dusty-product-list{display:flex;justify-content:space-between;}
    .dusty-product-list li{width:240px;padding:0 10px;}
    .dusty-product-one-icon{height:155px;margin-bottom:10px;}
    .dusty-product-one-icon.n1{background:url(http://oss.4asj.cn/desiqi/tubiao/zixun.png) no-repeat center center;}
    .dusty-product-one-icon.n2{background:url(http://oss.4asj.cn/desiqi/tubiao/yanfang.png) no-repeat center center;}
    .dusty-product-one-icon.n3{background:url(http://oss.4asj.cn/desiqi/tubiao/liangfang.png) no-repeat center center;}
    .dusty-product-one-icon.n4{background:url(http://oss.4asj.cn/desiqi/tubiao/pingmian.png) no-repeat center center;}
    .dusty-product-one-theme{font-size:28px;color:#6b2a21;text-align:center;font-weight:bold;}
    .dusty-product-one-text{font-size:18px;color:#666666;line-height:31px;margin-top:15px;text-align:center;}
    .dusty-space-container{background:#f8f8f8;padding:50px 0}
    .dusty-space-top{max-width:1280px;margin:0 auto;padding:0 74px;position:relative;}

    .dusty-service-theme{max-width:1280px;margin:0 auto;padding:75px 74px 80px;position:relative;}
    .dusty-service-content{padding-bottom:50px;}
    .dusty-service-main{max-width:1280px;margin:0 auto;padding:0 74px;position:relative;display:flex;justify-content: space-between;}
    .dusty-service-info-icon.n1{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon01.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n2{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon02.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n3{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon03.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n4{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon04.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n5{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon05.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n6{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon06.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-theme{margin-top:10px;font-size:22px;color:#6b2a21;text-align:center;line-height:30px;padding:0 10px;}

    .dusty-space-top .dusty-space-more{font-size:26px;color:#212226;line-height:26px;margin-top:18px;}
    .dusty-space-more>span{display:inline-block;width:29px;height:26px;background:url(../images/more01.png) no-repeat;background-size:100% auto;position:relative;top:3px;}
    .dusty-about-us-top .dusty-about-more{font-size:26px;color:#fff;line-height:26px;margin-top:18px;}
    .dusty-about-more>span{display:inline-block;width:29px;height:26px;background:url(../images/more02.png) no-repeat;background-size:100% auto;position:relative;top:0px;}

    .dusty-about-us-container{height:820px;}
    .dusty-about-introduce-content{margin-top:80px;position:relative;}
    .dusty-about-introduce-img{width:830px;height:498px;}
    .dusty-about-introduce-img>img{width:100%;vertical-align:center;}
    .dusty-introudce-inner{position:absolute;top:67px;right:0;width:653px;height:380px;background:#fff;box-sizing: border-box;padding:40px 70px 0 50px;;}
    .dusty-us-icon{position:absolute;bottom:0;right:0;width:93px;height:93px;background:url(../images/us_add.jpg) no-repeat;background-size:100% 100%;}
    .dusty-introduce-theme{font-size:25px;color:#000;line-height:25px;margin-bottom:32px;}
    .dusty-introduce-text{line-height:40px;font-size:18px;color:#666;}

    .dusty-news-container{padding-top:75px;background:#fff;}
    .dusty-news-list{max-width:1280px;margin:0 auto;padding:65px 74px 0;position:relative;}
    .dusty-news-list ul{display:flex;flex-wrap: wrap;}
    .dusty-news-list ul li{width:25%;height:268px;box-sizing:border-box;overflow:hidden;}
    .dusty-news-list ul li a{display:block;width:100%;height:100%;background:rgb(255,255,255);transition:all .2s linear;position:relative;}
    .dusty-news-list ul li a:hover{background:rgb(226,226,226);}
    .dusty-news-inner{padding:40px 35px 0;}
    .dusty-news-one-time{font-size:22px;color:#999;line-height:22px;margin-bottom:20px;}
    .dusty-news-one-theme{font-size:20px;line-height:20px;color:#444;font-weight:bold;margin-bottom:18px;overflow:hidden; text-overflow:ellipsis; white-space: nowrap;}
    .dusty-news-one-text{font-size:16px;color:#999;text-align:justify;}
    .dusty-news-more-icon{width:19px;height:9px;background:url(../images/right_icon.png) no-repeat;background-size:100% auto;position:absolute;bottom:24px;right:24px;}


    .dusty-immeda-preview-container{margin-top:145px;height:226px;background:url(../images/contact_banner.jpg) no-repeat center center;}
    .dusty-preview-content{max-width:1280px;margin:0 auto;padding:0 74px;position:relative;min-height:226px;}
    .dusty-preview-icon{display:none;width:271px;height:248px;position:absolute;top:-85px;left:-80px;background:url(../images/lu_icon.png) no-repeat;}
    .dusty-preview-form{margin-top:34px;float:left;}
    .dusty-preview-theme{font-size:30px;color:#ffff;}
    .dusty-preview-input-box{margin-top:20px;}
    .dusty-preview-input{float:left;width:261px;height:72px;background:#fff;border-radius:10px;box-sizing: border-box;margin-right:18px;}
    .dusty-preview-input>input{width:100%;height:100%;border-radius:10px;padding:0 20px;font-size:18px;box-sizing: border-box;}
    .dusty-preview-btn{outline:none;text-align:center;line-height:58px;font-size:24px;background:linear-gradient(to bottom,#184075,#285ea7);border-radius:10px;width:220px;color:#fff;}

    .swiper_1{display:none;}
    .swiper_3{display:none;}
    .dusty-swiper-show{padding-top:50px;}
    .swiper-container {width: 100%;}
    .swiper-slide {position:relative;}
    .swiper-slide:hover a{display:block;}
    .swiper-slide img{width:100%;height:auto;vertical-align:bottom;}
    .swiper-slide a{display:none;width:100%;height:100%;position:absolute;top:0;left:0;background:rgba(0,0,0,0.3);box-sizing:border-box;padding:50px 30px 0;}
    .swiper-slide a .dusty_theme_one{font-size:25px;line-height:20px;color:#fff;font-weight:bold;margin-bottom:20px;}
    .swiper-slide a .dusty_theme_two{font-size:22px;line-height:30px;color:#fff;margin-bottom:20px;}
    .swiper-slide a .dusty_text_three{font-size:14px;color:#dfdfdf;line-height:27px;display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 4;
        overflow: hidden;}
    .dusty_t_icon{width:100px;height:38px;background:url(../images/zx_icon.png) no-repeat;background-size:100% auto;position:absolute;bottom:35px;right:40px;}
}
@media screen and (max-width: 1279px) and (min-width: 1024px){
    .h-nav-list{display:none;}
    .dusty-nav-icon{display:block;}
    .nav-search{bottom:0px;}
    .dusty-aside-container{height:500px;}
    .dusty-aside-content{padding:120px 74px 0;position:relative;}
    .dusty-product-list{display:flex;justify-content:space-between;}
    .dusty-product-list li{width:180px;padding:0 10px;}
    .dusty-product-content{max-width:1280px;margin:0 auto;padding:60px 74px 80px;position:relative;}
    .dusty-product-one-icon{height:130px;margin-bottom:10px;background-size:150px auto;}
    .dusty-product-one-icon.n1{background:url(http://oss.4asj.cn/desiqi/tubiao/zixun.png) no-repeat center center;background-size:70% auto;}
    .dusty-product-one-icon.n2{background:url(http://oss.4asj.cn/desiqi/tubiao/yanfang.png) no-repeat center center;background-size:70% auto;}
    .dusty-product-one-icon.n3{background:url(http://oss.4asj.cn/desiqi/tubiao/liangfang.png) no-repeat center center;background-size:70% auto;}
    .dusty-product-one-icon.n4{background:url(http://oss.4asj.cn/desiqi/tubiao/pingmian.png) no-repeat center center;background-size:70% auto;}
    .dusty-product-one-theme{font-size:25px;color:#6b2a21;text-align:center;font-weight:bold;}
    .dusty-product-one-text{font-size:16px;color:#666666;line-height:31px;margin-top:15px;text-align:center;}
    .dusty-space-container{background:#f8f8f8;padding:40px 0}
    .dusty-space-top{max-width:1280px;margin:0 auto;padding:0 74px;position:relative;}

    .dusty-about-us-theme,.dusty-service-theme,.dusty-space-theme{font-size:38px;color:#333;letter-spacing:2px;}
    .dusty-about-us-theme>span,.dusty-service-theme>span,.dusty-space-theme>span{font-size:18px;color:#999;position:relative;bottom:-3px;}
    .dusty-service-theme{max-width:1280px;margin:0 auto;padding:75px 74px 80px;position:relative;}
    .dusty-service-content{padding-bottom:50px;}
    .dusty-service-main{max-width:1280px;margin:0 auto;padding:0 74px;position:relative;}
    .dusty-service-main::after{content:'';display:block;clear:both;}
    .dusty-service-info-icon.n1{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon01.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n2{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon02.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n3{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon03.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n4{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon04.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n5{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon05.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n6{width:100px;height:106px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon06.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-theme{margin-top:10px;font-size:22px;color:#6b2a21;text-align:center;line-height:30px;padding:0 10px;}
    .dusty-service-info{float:left;width:33.333%;margin-bottom:25px;}

    .dusty-space-top .dusty-space-more{font-size:26px;color:#212226;line-height:26px;margin-top:18px;}
    .dusty-space-more>span{display:inline-block;width:29px;height:26px;background:url(../images/more01.png) no-repeat;background-size:100% auto;position:relative;top:3px;}
    .dusty-about-us-top .dusty-about-more{font-size:26px;color:#fff;line-height:26px;margin-top:18px;}
    .dusty-about-more>span{display:inline-block;width:29px;height:26px;background:url(../images/more02.png) no-repeat;background-size:100% auto;position:relative;top:0px;}

    .dusty-about-us-container{height:800px;}
    .dusty-about-introduce-content{margin-top:80px;position:relative;}
    .dusty-about-introduce-img{width:830px;height:498px;}
    .dusty-about-introduce-img>img{width:100%;vertical-align:center;}
    .dusty-introudce-inner{position:absolute;top:67px;right:0;width:653px;height:380px;background:#fff;box-sizing: border-box;padding:40px 70px 0 50px;;}
    .dusty-us-icon{position:absolute;bottom:0;right:0;width:93px;height:93px;background:url(../images/us_add.jpg) no-repeat;background-size:100% 100%;}
    .dusty-introduce-theme{font-size:25px;color:#000;line-height:25px;margin-bottom:32px;}
    .dusty-introduce-text{line-height:28px;font-size:18px;color:#666;}

    .hasIcon{display:none;}
    .dusty-news-container{padding-top:75px;background:#fff;}
    .dusty-news-list{max-width:1280px;margin:0 auto;padding:50px 74px 0;position:relative;}
    .dusty-news-list ul{display:flex;flex-wrap: wrap;}
    .dusty-news-list ul li{width:25%;height:268px;box-sizing:border-box;overflow:hidden;}
    .dusty-news-list ul li a{display:block;width:100%;height:100%;background:rgb(255,255,255);transition:all .2s linear;position:relative;}
    .dusty-news-list ul li a:hover{background:rgb(226,226,226);}
    .dusty-news-inner{padding:40px 35px 0;}
    .dusty-news-one-time{font-size:22px;color:#999;line-height:22px;margin-bottom:20px;}
    .dusty-news-one-theme{font-size:20px;line-height:20px;color:#444;font-weight:bold;margin-bottom:18px;overflow:hidden; text-overflow:ellipsis; white-space: nowrap;}
    .dusty-news-one-text{font-size:16px;color:#999;text-align:justify;}
    .dusty-news-more-icon{width:19px;height:9px;background:url(../images/right_icon.png) no-repeat;background-size:100% auto;position:absolute;bottom:24px;right:24px;}

    .dusty-immeda-preview-container{margin-top:110px;height:226px;background:url(../images/contact_banner.jpg) no-repeat center center;}
    .dusty-preview-content{max-width:1280px;margin:0 auto;padding:0 74px;position:relative;min-height:226px;}
    .dusty-preview-icon{display:none;width:271px;height:248px;position:absolute;top:-85px;left:-80px;background:url(../images/lu_icon.png) no-repeat;}
    .dusty-preview-form{margin-top:34px;float:left;}
    .dusty-preview-theme{font-size:30px;color:#ffff;}
    .dusty-preview-input-box{margin-top:20px;}
    .dusty-preview-input{float:left;width:201px;height:60px;background:#fff;border-radius:10px;box-sizing: border-box;margin-right:18px;}
    .dusty-preview-input>input{width:100%;height:100%;border-radius:10px;padding:0 20px;font-size:18px;box-sizing: border-box;}
    .dusty-preview-btn{outline:none;text-align:center;line-height:45px;font-size:24px;background:linear-gradient(to bottom,#184075,#285ea7);border-radius:10px;width:180px;color:#fff;}

    .swiper_1{display:none;}
    .swiper_2{display:block;}
    .swiper_3{display:none;}
    .dusty-swiper-show{padding-top:50px;}
    .swiper-container {width: 100%;}
    .swiper-slide {position:relative;}
    .swiper-slide:hover a{display:block;}
    .swiper-slide img{width:100%;height:auto;vertical-align:bottom;}
    .swiper-slide a{display:none;width:100%;height:100%;position:absolute;top:0;left:0;background:rgba(0,0,0,0.3);box-sizing:border-box;padding:50px 30px 0;}
    .swiper-slide a .dusty_theme_one{font-size:25px;line-height:20px;color:#fff;font-weight:bold;margin-bottom:20px;}
    .swiper-slide a .dusty_theme_two{font-size:22px;line-height:30px;color:#fff;margin-bottom:20px;}
    .swiper-slide a .dusty_text_three{font-size:14px;color:#dfdfdf;line-height:27px;display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 4;
        overflow: hidden;}
    .dusty_t_icon{width:100px;height:38px;background:url(../images/zx_icon.png) no-repeat;background-size:100% auto;position:absolute;bottom:35px;right:40px;}

}
@media screen and (max-width: 1023px) and (min-width: 600px){
    .h-nav-list{display:none;}
    .dusty-nav-icon{display:block;}
    .nav-search{bottom:0px;}
    .dusty-aside-container{height:400px;}
    .dusty-aside-content{padding:80px 74px 0;position:relative;}
    .dusty-aside-title{font-size:20px;line-height:20px;color:#fff;margin-bottom:15px;}
    .dusty-aside-theme{font-size:45px;line-height:45px;color:#fff;margin-bottom:20px;}
    .dusty-aside-texe{font-size:30px;line-height:30px;color:#fff;margin-bottom:50px;}
    .dusty-aside-download{width:50px;height:50px;border-radius:100%;background:#fff;display:block;}
    .dusty-space-container{background:#f8f8f8;padding:40px 0}
    .dusty-space-top{max-width:1280px;margin:0 auto;padding:0 74px;position:relative;}

    .dusty-product-list{display:flex;justify-content:normal;}
    .dusty-product-list li{width:50%;padding:0 25px;}
    .dusty-product-content{max-width:1280px;margin:0 auto;padding:60px 74px 80px;position:relative;}
    .dusty-product-one-icon{height:100px;margin-bottom:10px;background-size:150px auto;}
    .dusty-product-one-icon.n1{background:url(http://oss.4asj.cn/desiqi/tubiao/zixun.png) no-repeat center center;background-size:70% auto;}
    .dusty-product-one-icon.n2{background:url(http://oss.4asj.cn/desiqi/tubiao/yanfang.png) no-repeat center center;background-size:70% auto;}
    .dusty-product-one-icon.n3{background:url(http://oss.4asj.cn/desiqi/tubiao/liangfang.png) no-repeat center center;background-size:70% auto;}
    .dusty-product-one-icon.n4{background:url(http://oss.4asj.cn/desiqi/tubiao/pingmian.png) no-repeat center center;background-size:70% auto;}
    .dusty-product-one-theme{font-size:22px;color:#6b2a21;text-align:center;font-weight:bold;}
    .dusty-product-one-text{font-size:16px;color:#666666;line-height:25px;margin-top:12px;text-align:center;}

    .dusty-about-us-theme,.dusty-service-theme,.dusty-space-theme{font-size:28px;color:#333;letter-spacing:2px;}
    .dusty-about-us-theme>span,.dusty-service-theme>span,.dusty-space-theme>span{font-size:16px;color:#999;position:relative;bottom:-3px;}
    .dusty-service-theme{max-width:1280px;margin:0 auto;padding:40px 74px 40px;position:relative;}
    .dusty-service-content{padding-bottom:50px;}
    .dusty-service-main{max-width:1280px;margin:0 auto;padding:0 74px;position:relative;}
    .dusty-service-main::after{content:'';display:block;clear:both;}
    .dusty-service-info-icon.n1{width:80px;height:84px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon01.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n2{width:80px;height:84px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon02.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n3{width:80px;height:84px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon03.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n4{width:80px;height:84px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon04.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n5{width:80px;height:84px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon05.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n6{width:80px;height:84px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon06.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-theme{margin-top:10px;font-size:20px;color:#6b2a21;text-align:center;line-height:30px;padding:0 10px;}
    .dusty-service-info{float:left;width:33.333%;margin-bottom:20px;}

    .dusty-space-top .dusty-space-more{font-size:22px;color:#212226;line-height:26px;margin-top:14px;}
    .dusty-space-more>span{display:inline-block;width:24px;height:22px;background:url(../images/more01.png) no-repeat;background-size:100% auto;position:relative;top:3px;}
    .dusty-about-us-top .dusty-about-more{font-size:22px;color:#fff;line-height:26px;margin-top:18px;}
    .dusty-about-more>span{display:inline-block;width:24px;height:22px;background:url(../images/more02.png) no-repeat;background-size:100% auto;position:relative;top:0px;}

    .dusty-about-us-container{height:650px;}
    .dusty-about-introduce-content{margin-top:60px;position:relative;}
    
    .dusty-about-introduce-img{width:830px;height:498px;display:none;}
    .dusty-about-introduce-img>img{width:100%;vertical-align:center;}
    .dusty-introudce-inner{width:100%;height:380px;background:#fff;box-sizing: border-box;padding:40px 70px 0 50px;;}
    .dusty-us-icon{position:absolute;bottom:0;right:0;width:93px;height:93px;background:url(../images/us_add.jpg) no-repeat;background-size:100% 100%;}
    .dusty-introduce-theme{font-size:25px;color:#000;line-height:25px;margin-bottom:32px;}
    .dusty-introduce-text{line-height:28px;font-size:18px;color:#666;}

    .hasIcon{display:none;}
    .dusty-news-container{padding-top:75px;background:#fff;}
    .dusty-news-list{max-width:1280px;margin:0 auto;padding:50px 74px 0;position:relative;}
    .dusty-news-list ul{display:flex;flex-wrap: wrap;}
    .dusty-news-list ul li{width:50%;height:268px;box-sizing:border-box;overflow:hidden;}
    .dusty-news-list ul li a{display:block;width:100%;height:100%;background:rgb(226,226,226);transition:all .2s linear;position:relative;border:1px solid #fff}
    .dusty-news-inner{padding:40px 35px 0;}
    .dusty-news-one-time{font-size:22px;color:#999;line-height:22px;margin-bottom:20px;}
    .dusty-news-one-theme{font-size:20px;line-height:20px;color:#444;font-weight:bold;margin-bottom:18px;overflow:hidden; text-overflow:ellipsis; white-space: nowrap;}
    .dusty-news-one-text{font-size:16px;color:#999;text-align:justify;}
    .dusty-news-more-icon{width:19px;height:9px;background:url(../images/right_icon.png) no-repeat;background-size:100% auto;position:absolute;bottom:24px;right:24px;}

    .dusty-immeda-preview-container{margin-top:80px;height:226px;background:url(../images/contact_banner.jpg) no-repeat center center;}
    .dusty-preview-content{max-width:1280px;margin:0 auto;padding:0 74px;position:relative;min-height:226px;}
    .dusty-preview-icon{display:none;width:271px;height:248px;position:absolute;top:-85px;left:-80px;background:url(../images/lu_icon.png) no-repeat;}
    .dusty-preview-form{margin-top:20px;float:left;}
    .dusty-preview-theme{font-size:25px;color:#ffff;}
    .dusty-preview-input-box{margin-top:20px;}
    .dusty-preview-input{float:left;width:200px;height:50px;background:#fff;border-radius:10px;box-sizing: border-box;margin-right:18px;margin-bottom:10px;}
    .dusty-preview-input>input{width:100%;height:100%;border-radius:10px;padding:0 15px;font-size:18px;box-sizing: border-box;}
    .dusty-preview-btn{outline:none;text-align:center;line-height:37px;font-size:24px;background:linear-gradient(to bottom,#184075,#285ea7);border-radius:10px;width:200px;color:#fff;}

    .swiper_1{display:none;}
    .swiper_2{display:block;}
    .swiper_3{display:none;}
    .dusty-swiper-show{padding-top:40px;}
    .swiper-container {width: 100%;}
    .swiper-slide {position:relative;}
    .swiper-slide:hover a{display:block;}
    .swiper-slide img{width:100%;height:auto;vertical-align:bottom;}
    .swiper-slide a{width:100%;height:100%;position:absolute;top:0;left:0;background:rgba(0,0,0,0.3);box-sizing:border-box;padding:20px 15px 0;}
    .swiper-slide a .dusty_theme_one{font-size:16px;line-height:20px;color:#fff;font-weight:bold;margin-bottom:2px;}
    .swiper-slide a .dusty_theme_two{font-size:14px;line-height:30px;color:#fff;margin-bottom:5px;}
    .swiper-slide a .dusty_text_three{font-size:12px;color:#dfdfdf;line-height:15px;display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 4;
        overflow: hidden;}
    .dusty_t_icon{width:75px;height:27px;background:url(../images/zx_icon.png) no-repeat;background-size:100% auto;position:absolute;bottom:15px;right:20px;}
}
@media screen and (max-width:599px){
    .h-nav-list{display:none;}
    .dusty-nav-icon{display:block;}
    .nav-search{bottom:0px;}
    .search-close{max-width:1280px;padding:18px 25px 0;margin:0 auto;}
    .search-input{max-width:1280px;padding:0 25px;margin:0 auto;}
    .dusty-aside-container{height:200px;}
    .dusty-aside-content{padding:60px 25px 0;position:relative;}
    .dusty-aside-title{font-size:18px;line-height:18px;color:#fff;margin-bottom:15px;}
    .dusty-aside-theme{font-size:30px;line-height:30px;color:#fff;margin-bottom:20px;}
    .dusty-aside-texe{font-size:22px;line-height:22px;color:#fff;margin-bottom:30px;}
    .dusty-aside-download{width:30px;height:30px;border-radius:100%;background:#fff;display:block;}

    .dusty-space-container{background:#f8f8f8;padding:10px 0}
    .dusty-space-top{max-width:1280px;margin:0 auto;padding:0 25px;position:relative;}

    .dusty-product-list:after{content:'';display:block;clear:both;}
    .dusty-product-list li{float:left;width:50%;height:165px;padding:0;margin-bottom:20px}
    .dusty-product-content{max-width:1280px;margin:0 auto;padding:20px 25px 30px;position:relative;}
    .dusty-product-one-icon{height:100px;margin-bottom:0px;background-size:150px auto;}
    .dusty-product-one-icon.n1{background:url(http://oss.4asj.cn/desiqi/tubiao/zixun.png) no-repeat center center;background-size:50% auto;}
    .dusty-product-one-icon.n2{background:url(http://oss.4asj.cn/desiqi/tubiao/yanfang.png) no-repeat center center;background-size:50% auto;}
    .dusty-product-one-icon.n3{background:url(http://oss.4asj.cn/desiqi/tubiao/liangfang.png) no-repeat center center;background-size:50% auto;}
    .dusty-product-one-icon.n4{background:url(http://oss.4asj.cn/desiqi/tubiao/pingmian.png) no-repeat center center;background-size:50% auto;}
    .dusty-product-one-theme{font-size:16px;color:#6b2a21;text-align:center;font-weight:bold;}
    .dusty-product-one-text{font-size:12px;color:#666666;line-height:18px;margin-top:5px;text-align:center;}

    .dusty-about-us-theme,.dusty-service-theme,.dusty-space-theme{font-size:20px;color:#333;letter-spacing:2px;}
    .dusty-about-us-theme>span,.dusty-service-theme>span,.dusty-space-theme>span{font-size:14px;color:#999;position:relative;bottom:-1px;}
    .dusty-service-theme{max-width:1280px;margin:0 auto;padding:15px 25px 15px;position:relative;}
    .dusty-service-content{padding-bottom:20px;}
    .dusty-service-main{max-width:1280px;margin:0 auto;padding:0 25px;position:relative;}
    .dusty-service-main::after{content:'';display:block;clear:both;}
    .dusty-service-info-icon.n1{width:40px;height:42px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon01.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n2{width:40px;height:42px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon02.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n3{width:40px;height:42px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon03.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n4{width:40px;height:42px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon04.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n5{width:40px;height:42px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon05.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-icon.n6{width:40px;height:42px;margin:0 auto;background:url(http://oss.4asj.cn/desiqi/tubiao/service_icon06.png) no-repeat;background-size:100% auto;}
    .dusty-service-info-theme{margin-top:5px;font-size:14px;color:#6b2a21;text-align:center;line-height:25px;padding:0 10px;}
    .dusty-service-info{float:left;width:33.333%;margin-bottom:10px;}

    .dusty-space-top .dusty-space-more{font-size:18px;color:#212226;line-height:25px;margin-top:7px;}
    .dusty-space-more>span{display:inline-block;width:20px;height:19px;background:url(../images/more01.png) no-repeat;background-size:100% auto;position:relative;top:3px;}
    .dusty-about-us-top .dusty-about-more{font-size:18px;color:#fff;line-height:18px;margin-top:7px;}
    .dusty-about-more>span{display:inline-block;width:20px;height:19px;background:url(../images/more02.png) no-repeat;background-size:100% auto;position:relative;top:0px;}

    .dusty-about-us-container{height:360px;}
    .dusty-about-us-content{max-width:1280px;margin:0 auto;padding:25px 25px 0;position:relative;}
    .dusty-about-introduce-content{margin-top:20px;position:relative;}
    .dusty-about-introduce-img{width:830px;height:498px;display:none;}
    .dusty-about-introduce-img>img{width:100%;vertical-align:center;}
    .dusty-introudce-inner{width:100%;height:250px;background:#fff;box-sizing: border-box;padding:25px 20px;}
    .dusty-us-icon{position:absolute;bottom:0;right:0;width:40px;height:40px;background:url(../images/us_add.jpg) no-repeat;background-size:100% 100%;}
    .dusty-introduce-theme{font-size:16px;color:#000;line-height:20px;margin-bottom:20px;}
    .dusty-introduce-text{line-height:22px;font-size:14px;color:#666;}

    .hasIcon{display:none;}
    .dusty-news-container{padding-top:20px;background:#fff;}
    .dusty-news-list{max-width:1280px;margin:0 auto;padding:20px 25px 0;position:relative;}
    .dusty-news-list ul{display:flex;flex-wrap: wrap;}
    .dusty-news-list ul li{width:100%;height:250px;box-sizing:border-box;overflow:hidden;margin-bottom:10px;}
    .dusty-news-list ul li a{display:block;width:100%;height:100%;background:rgb(226,226,226);transition:all .2s linear;position:relative;}
    .dusty-news-inner{padding:40px 35px 0;}
    .dusty-news-one-time{font-size:22px;color:#999;line-height:22px;margin-bottom:20px;}
    .dusty-news-one-theme{font-size:20px;line-height:20px;color:#444;font-weight:bold;margin-bottom:18px;overflow:hidden; text-overflow:ellipsis; white-space: nowrap;}
    .dusty-news-one-text{font-size:16px;color:#999;text-align:justify;}
    .dusty-news-more-icon{width:19px;height:9px;background:url(../images/right_icon.png) no-repeat;background-size:100% auto;position:absolute;bottom:24px;right:24px;}

    .dusty-immeda-preview-container{margin-top:20px;padding-bottom:30px;}
    .dusty-preview-content{max-width:1280px;margin:0 auto;padding:0 25px;position:relative;min-height:226px;}
    .dusty-preview-icon{display:none;width:271px;height:248px;position:absolute;top:-85px;left:-80px;background:url(../images/lu_icon.png) no-repeat;}
    .dusty-preview-form{margin-top:20px;float:left;}
    .dusty-preview-theme{font-size:25px;color:#333;}
    .dusty-preview-input-box{margin-top:20px;}
    .dusty-preview-input{border:1px solid #eaeaea;float:left;width:100%;height:50px;background:#fff;border-radius:10px;box-sizing: border-box;margin-right:18px;margin-bottom:10px;}
    .dusty-preview-input>input{width:100%;height:100%;border-radius:10px;padding:0 15px;font-size:18px;box-sizing: border-box;}
    .dusty-preview-btn{outline:none;text-align:center;line-height:50px;font-size:24px;background:linear-gradient(to bottom,#184075,#285ea7);border-radius:10px;width:100%;color:#fff;}

    .swiper_1{display:none;}
    .swiper_2{display:none;}
    .swiper_3{display:block;}
    .dusty-swiper-show{padding-top:5px;}
    .swiper-container {width: 100%;}
    .swiper-slide {position:relative;}
    .swiper-slide:hover a{display:block;}
    .swiper-slide img{width:100%;height:auto;vertical-align:bottom;}
    .swiper-slide a{width:100%;height:100%;position:absolute;top:0;left:0;background:rgba(0,0,0,0.3);box-sizing:border-box;padding:70px 30px 0;}
    .swiper-slide a .dusty_theme_one{font-size:35px;line-height:20px;color:#fff;font-weight:bold;margin-bottom:20px;}
    .swiper-slide a .dusty_theme_two{font-size:25px;line-height:30px;color:#fff;margin-bottom:25px;}
    .swiper-slide a .dusty_text_three{font-size:16px;color:#dfdfdf;line-height:30px;display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 4;
        overflow: hidden;}
    .dusty_t_icon{width:100px;height:38px;background:url(../images/zx_icon.png) no-repeat;background-size:100% auto;position:absolute;bottom:35px;right:40px;}
}