@media screen and (max-width: 1920px){
}
@media screen and (max-width: 1850px){		
}
@media screen and (max-width: 1800px){		
}
@media screen and (max-width: 1750px){
}
@media screen and (max-width: 1700px){	
}
@media screen and (max-width: 1650px){	
}
@media screen and (max-width: 1600px){			
}
@media screen and (max-width: 1550px){		
}
@media screen and (max-width: 1500px){		
}
@media screen and (max-width: 1450px){			
}
@media screen and (max-width: 1400px){
}
@media screen and (max-width: 1380px){	
}
@media screen and (max-width: 1360px){		
}
@media screen and (max-width: 1300px){	
}
@media screen and (max-width: 1250px){	
}
@media screen and (max-width: 1200px){
	.div1200{ width:96%; margin:0 auto;}
	.tel{ width:22%;}
	.nav_b .text{ width:130px;}
	.product_a_ul ul li{ padding-left:3%;}
	.product_tit {background: url(../images/index_27.png) 94% center no-repeat #72b91d;}
	.sqys_b ul li {margin-bottom: 18px;}
	.about_jt_b {margin-left: 1.8%;width: 50.6%;}
	.about_jt_b_nr p{ line-height:28px;}
	.cpxq_b_b {margin-top: 3%;}
	.slick-prev, .slick-next{ height:176px !important;}
}
@media screen and (max-width: 1150px){
	.tel{ width:23%;}
	.nav_b {width: 18%;padding: 0 0.9%;}
	.about_nr h6{ margin-top:3.5%;}
	.about_tit{ margin-top:0;}
	.about_nr p{ line-height:28px;}
	.product_a_ul ul li a{ font-size:12px;}
	.sqys_b ul li {margin-bottom: 16px;}
	.about_jt_b_nr p{ line-height:25px;}
	.cpxq_b_a h2{ line-height:60px;}
	.cpxq_b_b {margin-top: 5%;}
	.slick-prev, .slick-next{ height:168px !important;}
}
@media screen and (max-width: 1100px){
	.tel{ width:24%;}
	.nav_a{ display:none;}
	.menu{ display:block;}
	.nav_b{ border:none; padding:0;width: 22%;}
	.nav_b .text {width: 79%;}
	.product_a{ float:none; width:100%;}
	.product_tit{ padding:1% 0;}
	.product_tit h2{ font-size:28px;}
	.product_tit p{ line-height:18px;}
	.product_a_ul ul li{ width:29%; float:left; padding-left:2%; margin-right:2.1%;}
	.product_a_ul ul li:nth-child(3n){ margin-right:0 !important;}
	.product_a_lx{ padding:1% 0;}
	.product_a_lx{ display:none;}
	.product_b{ margin-left:0; float:none; width:100%; margin-top:2%;}
	.foot_b{ width:18%;}
	.sqys_b ul li {margin-bottom: 12px;}
	.lxwm_a_box p{ font-size:16px;}
	.about_jt_b_nr p{ font-size:13px;}
	.slick-prev, .slick-next{ height:208px !important;}
}
@media screen and (max-width: 1050px){
	.tel{ width:25%;}
	.nav_b{ width:23%;}
	.about_nr p {line-height: 26px;}
	.time {padding: 1% 0;}
	.foot_b { padding-left: 5.6%;width: 19%;}
	.sqys_b ul li {margin-bottom: 8px;}
	.lxwm_b ul li {margin-bottom: 10px;}
	.about_jt_b_nr p{ font-size:12px;}
	.about_tit h1{ font-size:30px;}
	.slick-prev, .slick-next{ height:200px !important;}
}
@media screen and (max-width: 1024px){
	.logo {width: 31.67%;}
	.product_a_ul ul li{margin-right:2%;}
	.core_con_c h5{ font-size:18px;}
	.sqys_b ul li {margin-bottom: 6px;}
	.slick-prev, .slick-next{ height:193px !important;}
}
@media screen and (max-width: 1000px){
	.tel{ width:26%;}
	.nav_b{ width:25%;}
	.about_nr {margin-top: 1.75%;}
	.product_nr_box_nr {padding: 11%;}
	.xwzx_tab ul.news_ul li { width: 49%;margin-right: 2%;}
	.sqys_b ul li {margin-bottom: 4px;}
	.about_jt_a{ width:100%; float:none;}
	.about_jt_b{ margin-left:0; width:100%; float:none; margin-top:2%;}
	.about_jt_b_nr p {font-size: 14px;}
	.slick-prev, .slick-next{ height:188px !important;}
}  
@media screen and (max-width: 950px){
	.logo {width: 32.67%;}
	.tel_b h6{ font-size:15px;}
	.tel_b h3{ font-size:20px;}
	.nav_b{ width:26%;}
	.about_tit h1{ font-size:32px;}
	.about_tit span{ font-size:20px;}
	.product_a_ul ul li {margin-right: 1.9%;}
	.product_nr_box_nr {padding: 10%;}
	.core_list_b_a {width: 42%;}
	.foot_b { padding-right:5%;width: 21%;}
	.foot_a .text1{ width:94%; margin-bottom:6px;}
	.foot_a .text2{ margin-bottom:6px;}
	.foot_a .textarea{ margin-bottom:6px;}
	.sqys_a{ float:none; padding-right:0; border-right:none; width:100%;}
	.sqys_b{ float:none; margin-left:0; width:100%; margin-top:2%;}
	.lxwm_a{ float:none; width:100%;}
	.lxwm_b{ float:none; width:100%; margin-top:2%;}
	.slick-prev, .slick-next{ height:180px !important;}
} 
@media screen and (max-width: 900px){
	.logo {width: 34.67%;}
	.nav_b{ width:27%;}
	.about_a{ float:none; width:100%;}
	.about_b{ float:none; width:100%; margin-left:0; margin-top:2%;}
	.product_a_ul ul li {margin-right: 1.8%;}
	.product_nr_box_nr {padding: 6%;}
	.core_con_c h5 {font-size: 17px;}
	.time {padding:0;}
	.foot_c {margin-left: 3.3%;width: 19.6%;}
	.slick-prev, .slick-next{ height:170px !important;}
}
@media screen and (max-width: 870px){
	.product_nr_box_nr {padding: 5%;}
	.xwzx_new_b p {font-size: 13px;line-height: 18px;}
	.foot_a{padding-right:4%; width:50%; margin-bottom:2%;}
	.foot_b{ padding-right:0; border-right:none; width:40%;}
	.foot_c{ float:none; margin-left:0; width:22%;}
	.wechat{ float:none; width:14%; margin-top:2%;}
	.slick-prev, .slick-next{ height:165px !important;}
}
@media screen and (max-width: 850px){
	.tel{ width:27%;}
	.logo {width: 37.67%;}
	.nav_b{ width:29%;}
	.product_a_ul ul li {margin-right: 1.7%;}
	.product_nr_box_nr {padding: 2%;}
	.core_list_b_a {width: 44%;}
	.cpxq_b_b {margin-top: 3%;}
	.slick-prev, .slick-next{ height:160px !important;}
}
@media screen and (max-width: 800px){
	.tel_b h6{ line-height:20px;}
	.tel_b h3{ font-size:18px;line-height:20px;}
	.nav_b{ width:30%;}
	.hot_a{ float:none; width:100%; line-height:36px;}
	.hot_b{ float:none; width:100%; line-height:36px;}
	.product_a_ul ul li {margin-right: 1.6%;}
	.product_b ul.pro_ul li{ width:31%; margin-right:3.3%;}
	.product_b ul.pro_ul li:nth-child(3n){ margin-right:0 !important;}
	.product_b ul.pro_ul li:nth-child(4n){ margin-right:3.3% !important;}
	.core_list_b_a {width: 45%;}
	.xwzx_box {margin-top: 4%;}
	.xwzx_new_a{ float:none; width:100%;}
	.xwzx_new_b{ margin-left:0; width:100%;}
	.xwzx_new {padding: 3%;}
	.lxwm_list ul li {width: 23.25%;margin-right: 2.3%;}
	.slick-prev, .slick-next{ height:150px !important;}
	.cpxq_b_a h2{ font-size:26px; line-height:50px;}
}
@media screen and (max-width: 768px){
	.nav_b{ width:31%;}
	.core_list_b_a {width: 47%;}
	.slick-prev, .slick-next{ height:146px !important;}
}
@media screen and (max-width: 750px){
	.tel{ width:28%;}
	.logo {width: 39.67%;}
	.nav_b{ width:33%;}
	.product_a_ul ul li {margin-right: 1.4%;}
	.core_con_c h5 {font-size: 16px;}
	.foot_c{ width:28%;}
	.slick-prev, .slick-next{ height:142px !important;}
}
@media screen and (max-width: 700px){
	.tel{ width:30%;}
	.logo {width: 41.67%;}
	.nav_b{ width:36%;}
	.product_a_ul ul li{ width:45%; margin-right:3%;}
	.product_a_ul ul li:nth-child(2n){ margin-right:0 !important;}
	.product_a_ul ul li:nth-child(3n){ margin-right:3% !important;}
	.product_a_ul ul li:nth-child(6){ margin-right:0 !important;}
	.core_list_a_a{ float:none; width:100%;}
	.core_list_a_b{ width:53%; float:none; padding-top:1%;}
	.core_list_b_a{ margin-left:12%; width:53%; float:none;}
	.core_list_b{ padding-top:0;}
	.core_list_b_b{ float:none; width:100%;}
	.cpxq_a{ float:none; width:100%;}
	.cpxq_b{ margin-left:0; width:100%; float:none; margin-top:2%;}
	.slick-prev { left: -34px !important; }
	.slick-next { right: -34px !important; }
	.slick-prev, .slick-next{ height:228px !important;}
}
@media screen and (max-width: 650px){
	.tel_b h6{ font-size:12px; line-height:18px;}
	.tel_b h3{ font-size:16px;line-height:18px;}
	.product_b ul.pro_ul li{ width:48%; margin-right:4%;}
	.slick-prev, .slick-next{ height:212px !important;}
	.proxq_bigimg{ display:none;}
	.cpxq_b_b{ display:none;}
	.cpxq_swiper{ display:block;}
}
@media screen and (max-width: 640px){
	.nav_b{ width:39%;}
	.kefu{ display:none;}
	.product_b ul.pro_ul li:nth-child(2n){ margin-right:0 !important;}
	.product_b ul.pro_ul li:nth-child(3n){ margin-right:4% !important;}
	.product_b ul.pro_ul li:nth-child(4n){ margin-right:0 !important;}
	.product_b ul.pro_ul li:nth-child(6n){ margin-right:0 !important;}
	.product_a_ul ul li{ margin-right:2.8%;}
	.product_a_ul ul li:nth-child(3n){ margin-right:2.8% !important;}
	.product_a_ul ul li:nth-child(2n){ margin-right:0 !important;}
	.foot_a{ float:none; width:100%; padding-right:0; border-right:none;}
	.foot_b{ float:none; padding-left:0; width:100%;}
	.foot_b h3{ margin-bottom:0;}
	.wechat{ width:18%;}
	.lxwm_list ul li{ width:48%; margin-right:4%; margin-bottom:2%;}
	.lxwm_list ul li:nth-child(2n){ margin-right:0 !important;}
	.culture_nr p { font-size:13px; height: 80px;-webkit-line-clamp: 3;}
	.culture_list ul li {width: 32.6%;  margin-right: 1%;}
}
@media screen and (max-width: 600px){
	.tel{ width:31%;}
	.nav_b{ width:40%;}
	.product_a_ul ul li{ margin-right:2.7%;}
	.product_a_ul ul li:nth-child(3n){ margin-right:2.7% !important;}
	.product_a_ul ul li:nth-child(2n){ margin-right:0 !important;}
	.core_list_a_b{ width:60%;}
	.core_list_b_a{ width:60%;}
	.lxwm_a_box p {font-size: 14px; line-height: 36px;}
}
@media screen and (max-width: 580px){
	.tel{ width:33%;}
	.logo {width: 44.67%;}
	.nav_b .text {width: 77%;}
	.product_a_ul ul li{ margin-right:2.5%;}
	.product_a_ul ul li:nth-child(3n){ margin-right:2.5% !important;}
	.product_a_ul ul li:nth-child(2n){ margin-right:0 !important;}
}
@media screen and (max-width: 540px){
	.tel{ width:34%;}
	.logo {width: 45.67%;}
	.product_a_ul ul li{ margin-right:2.4%;}
	.product_a_ul ul li:nth-child(3n){ margin-right:2.4% !important;}
	.product_a_ul ul li:nth-child(2n){ margin-right:0 !important;}
	.core_list_a_b{ width:64%;}
	.core_list_b_a{ width:64%;}
	.foot_c {width: 36%;}
	.wechat {width: 22%;}
	.lxwm_a_box{ width:60%;}
}
@media screen and (max-width: 525px){
	.tel{ width:37%;}
	.logo {width: 50.67%;}
	.nav_b {width: 44%;}
	.product_a_ul ul li{ margin-right:2%;}
	.product_a_ul ul li:nth-child(3n){ margin-right:2% !important;}
	.product_a_ul ul li:nth-child(2n){ margin-right:0 !important;}
}
@media screen and (max-width: 475px){
	.tel_b h3{ font-size:14px;}
	.nav_b {width: 47%;}
	.product_a_ul ul li{ margin-right:1.8%;}
	.product_a_ul ul li:nth-child(3n){ margin-right:1.8% !important;}
	.product_a_ul ul li:nth-child(2n){ margin-right:0 !important;}
	.core_list_a_b{ width:72%;}
	.core_list_b_a{ width:72%;}
	.lxwm_a_box{ width:62%;}
}
@media screen and (max-width: 450px){
	.tel_b h6{ line-height:15px;}
	.tel_b h3{ font-size:13px; line-height:15px;}
	.nav_b {width: 51%;}
	.product_a_ul ul li{ width:96%; margin-right:0 !important;}
	.core_list_a_b{ width:80%; margin-left:0;}
	.core_list_b_a{ width:80%; margin-left:0;}
	.xwzx_ul ul li {width: 100px;line-height: 30px;}
	.xwzx_new_a{ float:none; width:100%;}
	.copy_a{ float:none; width:100%; line-height:28px; text-align:center;}
	.copy_b{ float:none; width:100%; line-height:28px; text-align:center;}
	.lxwm_a_box{ width:66%;}
} 
@media screen and (max-width: 414px){
	.nav_b {width: 53%;}
	.core_list_a_b{ width:100%;}
	.core_list_b_a{ width:100%;}
	.foot_c {width: 46%;}
	.wechat {width: 26%;}
	.lxwm_a_box{ width:72%;}
} 
@media screen and (max-width: 400px){
	.tel_b h3{ font-size:12px;}
	.logo {width: 52.67%;}
	.nav_b .text {width: 75%;}
	.nav{ line-height:36px;}
	.hot_a dl dd h6{ font-size:13px;}
	.hot_a dl dd{ margin-right:1%;}
	.hot_b dl dd h6{ font-size:13px;}
	.hot_b dl dd{ margin-right:1%;}
	.product_nr_box_nr p{ font-size:12px;}
	.lxwm_a_box{ width:80%;}
	.cpxq_b_a h2{ font-size:20px;}
}
@media screen and (max-width: 375px){
	.nav_b {width: 55%;}
	.product_nr_box_nr h6{ font-size:16px;}
	.product_nr_box_nr p{ line-height:22px;}
}
@media screen and (max-width: 350px){
	.tel{ width:39%;}
	.tel_b h6{ line-height:13px;}
	.tel_b h3{ line-height:13px;}
	.nav_b {width: 60%;}
	.hot_a{ line-height:24px;}
	.hot_b{ line-height:24px;}
	.product_nr_box_nr h6{ font-size:15px; line-height:26px;}
	.product_nr_box_nr p{ line-height:18px;}
	.xwzx_ul ul li a{ font-size:13px;}
	.xwzx_ul ul li {width: 90px;line-height: 26px;}
	.foot_c {width: 50%;}
	.wechat {width: 30%;}
	.lxwm_a_box { padding-left:2%;width: 87%;}
	.common span{ font-size:13px;}
}
@media screen and (max-width: 320px){
	.product_b ul.pro_ul li .txt{ line-height:40px;}
	.foot_c_b p{ line-height:56px;}
	.lxwm_a_box {width: 92%;}
}