.banner_box{ width:100%; min-width:1440px; position:relative; overflow:hidden;}
.banner{ display:block; width:100%; min-width:1440px; overflow:hidden;}
.banner li{ display:block;}
.banner li img{ display:block; width:100%; height:auto;}
.banner_box .hd{ width:100%; position:absolute; bottom:15px; z-index:2;}
.banner_box .hd .anniu{ display:block; text-align:center;}
.banner_box .hd .anniu li{ display:inline-block; width:10px; height:10px; border-radius:5px; background:#fff; opacity:0.8; margin:0 5px; transition:all 0.3s ease-out;}
.indexBnrSwiper-prev,.indexBnrSwiper-next{ display:block; width:114px; height:100%; position:absolute; top:0; opacity:0; transition:all 0.5s ease-out; z-index:99;}
.indexBnrSwiper-prev{ left:0; background:url(../images/swiper1-l.png) no-repeat center;}
.indexBnrSwiper-next{ right:0px; background:url(../images/swiper1-r.png) no-repeat center;}
.banner_box:hover .indexBnrSwiper-prev,.banner_box:hover .indexBnrSwiper-next{ opacity:0.5}
.banner_box .indexBnrSwiper-prev:hover,.banner_box .indexBnrSwiper-next:hover{ opacity:1;}
.banner_box .hd .anniu .on{ width:48px; opacity:1;}
/**/
.fenlei_box{ width:100%; min-width:1440px; padding:45px 0 30px;}
.fenlei_box ul{ display:block; text-align:center;}
.fenlei_box ul li{ display:inline-block; margin:auto 40px; cursor:default;}
.fenlei_box ul li img{ display:block; margin:0 auto;filter: brightness(0);-webkit-filter: brightness(0); opacity:0.8; transition:all .5s ease;}
.fenlei_box ul li p{ display:block; font-size:16px; color:#404040; text-align:center; margin-top:12px;}
.fenlei_box ul li:hover img{filter: brightness(100%);-webkit-filter: brightness(100%); transform:translateY(-15px); opacity:1;}
.fenlei_box ul li:hover p{ color:#1e4fb0}
/*产品展示*/
.chanpin_bj{ width:100%; min-width:1440px; padding:96px 0 50px; background:#f4f4f4;}
.chanpin_shoutui{ width:1440px; margin:auto;}
.shoutui_navbox ul{ display:table; width:100%; background:#fff; overflow:hidden;}
.shoutui_navbox ul li{ display:table-cell; height:90px; width:33%; text-align:center; vertical-align:middle; position:relative; cursor:default;}
.shoutui_navbox ul li:after{ content:""; display:inline-block; width:1px; height:35px; background:#c0c0c0; position:absolute; right:-1px;}
.shoutui_navbox ul li img{filter: brightness(0);-webkit-filter: brightness(0);}
.shoutui_navbox ul li img:nth-child(3){ position:relative; top:-10px;}
.shoutui_navbox ul li:last-child{ border-right:none;}
.shoutui_navbox ul li em{ display:inline-block; font-style:normal; font-size:18px; color:#444444; margin:0 23px 0 30px; position:relative; top:-10px;}
.shoutui_navbox .cur{ background:#1e4fb0;}
.shoutui_navbox .cur img{filter: brightness(100%);-webkit-filter: brightness(100%);}
.shoutui_navbox .cur em{ color:#fff;}
.shoutui_tubox{ width:100%; overflow:hidden;}
.shoutui_tubox li{ display:block; width:100%; position:relative; overflow:hidden;}
.shoutui_tubox li img{ display:block; width:100%; height:auto;}
.chanpin_box{ width:1440px; margin:58px auto 0;}
.product_tubox{ display:block; overflow:hidden; margin-top:40px;}
.product_tubox li{ float:left; width:22.5%; margin-right:3.3%; background:#fff; position:relative;}
.product_tubox li:nth-child(4n+0){ margin-right:0;}
.product_tu{ width:100%; overflow:hidden;}
.product_tu img{ display:block; width:100%; height:auto; transition:all .5s ease;}
.product_ti{ padding:12px 12px 30px;}
.product_ti span{ display:block; font-size:18px; color:#292929; text-align:center;}
.product_ti .canshu{ display:block; font-size:16px; color:#707070; text-align:center; margin-top:4px;}
.product_tubox li .an_box{ width:100%; height:100%; background:rgba(0,0,0,0.8); position:absolute; left:0; top:0; display:none;}
.product_tubox li .an_box span{ display:block; width:124px; height:42px; border:2px solid #fff; font-size:16px; color:#fff; text-align:center; line-height:42px; margin:50% auto 0; border-radius:3px;}
.product_tubox li:hover .an_box{ display:block;}
.product_tubox li .an_box span:hover{ border:2px solid #1e4fb0; background:#1e4fb0; color:#fff;}
/*工程案例*/
.case_box{ width:1440px; margin:0px auto; overflow:hidden;}
.case_ti{ width:100%; overflow:hidden;}
.case_ti span{font-size:30px; color:#292828; line-height:46px; float:left;}
.case_ti a{ float:right; font-size:14px; color:#292828; line-height:46px;}
.case_ti a:hover{ color:#1e4fb0;}
.case_liebiao{ width:100%; margin-top:42px; overflow:hidden;}
.case_tubox{ display:block; overflow:hidden;}
.case_tubox li{ float:left; width:320px; margin-right:53px; background:#fff;}
.case_tubox li .case_tu{ width:100%; background:#000; overflow:hidden;}
.case_tubox li .case_tu img{ display:block; width:100%; height:auto; transition:all .5s ease;}
.case_tubox li span{ display:block; font-size:16px; color:#292828; line-height:45px; border-bottom:3px solid #fff; text-align:center;}
.case_tubox li:hover img{ opacity:0.7; transform:scale(1.07);}
.case_tubox li:hover span{ color:#1e4fb0; border-bottom:3px solid #1e4fb0;}
.hd{ width:100%; margin-top:42px;}
.hd ul{ display:block; text-align:center;}
.hd ul li{ display:inline-block; width:12px; height:12px; border-radius:50%; background:#b1b1b1; margin:auto 5px; font-size:0;}
.hd .on{ background:#1e4fb0;}
/*品牌介绍*/
.about_bigbox{ display:table; width:100%;min-width:1440px; }
.pinpai_box{ display:table-cell; width:50%; position:relative;}
.pinpai_box img{ display:block; width:100%; height:auto;}
.pinpai_jieshao{ width:66.5%; padding-right:70px; position:absolute; top:102px; right:0;}
.pinpai_jieshao h1{ display:block; font-size:30px; color:#ffffff;}
.pinpai_jieshao span{ display:block; font-size:38px; color:#ffffff; line-height:62px; margin-top:64px;}
.pinpai_jieshao p{ display:block; font-size:18px; color:#fff; line-height:30px; margin-top:64px;}
.about_box{ display:table-cell; width:50%; vertical-align:top;}
.about_tu{ width:100%; overflow:hidden;}
.about_tu img{ display:block; width:100%; height:auto;}
.about_conbox{ width:69.5%; padding-left:50px; margin-top:135px;}
.about_conbox h1{ display:block; font-size:30px; color:#424242; text-align:center;}
.about_conbox p{ display:block; font-size:16px; color:#505050; line-height:30px; text-align:center; margin-top:18px;}
.about_conbox span{ display:block; width:150px; height:40px; margin:52px auto 0; border-radius:5px; overflow:hidden;}
.about_conbox span a{ display:block; font-size:14px; color:#fff; text-align:center; line-height:40px; background:#1e4fb0;}
/*新闻资讯*/
.news_bj{ width:100%; min-width:1440px;  padding:75px 0; background:#f4f4f4;}
.news_tibox{ width:1440px; margin:auto; overflow:hidden;}
.news_tibox span{ float:left; font-size:30px; color:#292828;}
.news_tibox ul{ float:left; padding-top:5px; overflow:hidden;}
.news_tibox ul li{ float:left; margin-left:50px;}
.news_tibox ul li a{ display:block; font-size:16px; color:#292828;}
.news_tibox ul li a:hover{ color:#1e4fb0;}
.news_tibox ul li a:hover:after{ content:""; display:block; width:20px; height:3px; background:#1e4fb0; margin:7px auto 0;}
.news_box{ width:1440px; margin:52px auto 0;}
.news_box ul{ display:block; overflow:hidden;}
.news_box ul li{ float:left; width:22.5%; margin-right:3.3%;}
.news_box ul li:nth-child(4n+0){ margin-right:0;}
.news_box ul li .news_tu{ width:100%; background:#000; overflow:hidden;}
.news_box ul li .news_tu img{ display:block; width:100%; height:auto; transition:all .5s ease;}
.news_conbox{ width:100%; padding:15px 0;}
.news_conbox span{ display:block; font-size:18px; color:#1c1c1c;}
.news_conbox p{ display:block; font-size:14px; color:#5e5e5e; line-height:20px; margin-top:10px;}
.news_conbox em{ display:block; font-style:normal; font-size:14px; color:#5e5e5e; margin-top:10px;}
.news_box ul li:hover img{ opacity:0.7; transform:scale(1.07);}
.news_box ul li:hover span{ color:#194bae;}
@media ( min-device-width:1360px )and ( max-width:1440px ){
	.header_box,.nav_bigbox,.chanpin_shoutui,.chanpin_box,.case_box,.news_tibox,.news_box{ width:1300px;}
	.nav{ margin-right:100px;}
	.fenlei_box ul li{margin:auto 35px;}
	.product_tubox li,.news_box ul li{ width:23%; margin-right:2.66%}
	.case_tubox li{ width:295px; margin-right:40px;}
	.pinpai_jieshao{width:82%; top:82px;}
	.pinpai_jieshao h1{ font-size:26px;}
	.pinpai_jieshao span{ font-size:34px; margin-top:48px;}
	.pinpai_jieshao p{ font-size:16px; margin-top:48px;}
	.about_conbox{ width:83%; margin-top:70px;}
	}
@media ( min-device-width:1280px )and ( max-width:1439px ){
	.header_box,.nav_bigbox,.chanpin_shoutui,.chanpin_box,.case_box,.news_tibox,.news_box{ width:1440px;}
	.nav{ margin-right:80px;}
	.nav li{margin-left:40px;}
	.fenlei_box ul li{margin:auto 30px;}
	.product_tubox li,.news_box ul li{ width:23%; margin-right:2.66%}
	.case_tubox li{ width:277px; margin-right:30px;}
	.pinpai_jieshao{width:82%; top:82px;}
	.pinpai_jieshao h1{ font-size:26px;}
	.pinpai_jieshao span{ font-size:34px; margin-top:38px;}
	.pinpai_jieshao p{ font-size:16px; margin-top:38px;}
	.about_conbox{ width:83%; margin-top:50px;}
	}