@media only screen and (max-width: 1720px) {}

@media only screen and (max-width: 1680px) {}

@media only screen and (max-width: 1600px) {
	.centerBox {
		width: 94%;
	}

}

@media only screen and (max-width: 1490px) {}

@media only screen and (max-width: 1400px) {}

@media only screen and (max-width: 1366px) {
	.ab_img {
		background: none;
	}

	.index3 ul li div {
		height: 100px;
	}
}

@media only screen and (max-width: 1300px) {}

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

@media only screen and (max-width: 1220px) {}

@media only screen and (max-width: 1200px) {
	.centerBox {
		width: 94%;
	}

	.index3 ul li {
		width: 15%;
	}

	.index3 ul li div {
		height: 100px;
	}

	.index3 ul li:nth-of-type(7n) {
		margin-right: 1.25%;
	}

	.index4 ul li {
		width: 45%;
	}

	.index4 ul li:nth-of-type(2n) {
		margin-right: 0;
	}
	
	.back {
		padding-bottom: 50px;
	}
	
	.back .tu {
		float: none;
		width: 100%;
		padding-top: 50px;
	}
	
	.back .xinghao {
		float: none;
		width: 100%;
		padding-top: 10px;
	}
	
	.back .xinghao h3,.back .xinghao h4 {
		width: 100%;
		text-align: center;
	}
	
	.ban div {
		width: 60%;
	}

}

@media only screen and (max-width: 1130px) {}

@media only screen and (max-width: 1100px) {}

@media only screen and (max-width: 1024px) {}

@media only screen and (max-width: 990px) {
	.index3 ul li {
		width: 18%;
	}

	.index3 ul li div {
		height: 100px;
	}

	.news ul li {
		width: 45%;
		margin-right: 10% !important;
	}

	.news ul li:nth-of-type(2n) {
		margin-right: 0 !important;
	}

	.pro ul li {
		width: 22.06%;
		margin-right: 3.375% !important;
	}

	.pro ul li:nth-of-type(4n) {
		margin-right: 0 !important;
	}
	.lianxi .liang>div {
		width: 100%;
	}
	
	.nanjing ul li {
		width: 100%;
		margin-right: 0;
	}
	
	.jszc img {
		float: none;
		width: 100%;
	}
	
	.jszc div {
		float: none;
		width: 100%;
	}
	
	.jszc div h3 {
		padding-top: 30px;
	}
	
	
	
	.jszc1 img {
		float: none;
		width: 100%;
	}
	
	.jszc1 div {
		float: none;
		width: 100%;
	}
	
	.jszc1 div h3 {
		padding-top: 30px;
	}
	
	.rencai ul li {
		width: 100%;
		margin-right: 0;
	
}

@media only screen and (max-width: 900px) {
	header {
		position: fixed;
		top: 0;
		left: 0;
		z-index: 99;

	}

	.ban {
		margin-top: 60px;
	}

	.menu {
		display: flex;
	}

	.lunbo {
		margin-top: 60px;
	}


	.logo img {
		height: 60px;
	}

	

	.nav {
		overflow-x: scroll;
		display: none;
		position: fixed;
		width: 100%;
		height: 100%;
		top: 60px;
		left: 0;
		background: #fff;
		z-index: 999;
		margin-left: 0;
	}

	.nav ul li {
		width: 100%;
		font-size: 20px;
		line-height: 70px;
		border-bottom: none;
		margin: 0 auto;
		color: #333;
	}

	.erji {
		position: unset;
		left: 0;
		width: 100%;
		background: none;
		padding: 0;
	}

	.erji dl dd {
		font-size: 18px;
		line-height: 40px;
		color: #666;
	}

	header .centerBox {
		display: block;
	}

	header .centerBox form {
		display: inline-block;
		vertical-align: middle;
		margin-left: 15%;
		width: 40%;
	}

	.logo {
		width: auto;
		max-width: auto !important;
	}

	.ind1_ri .change11 {
		padding: 0 8px;
		vertical-align: top;
	}

	.ab_img {
		position: unset;
		width: 100%;
		margin: 0 auto;
		padding-bottom: 40px;
	}

	.index2_lf {
		width: 100%;
	}

	.nav ul li.active:after {
		display: none;
	}

	.nav ul li:hover:after {
		display: none;
	}

	.new_xq h5 img {
		width: 100%;
	}
	
	.t60 {
		margin-top: 60px;
	}
	
	
	.ban {
		padding: 100px 0;
	}
	
	

}


@media only screen and (max-width: 850px) {

	.index1 {
		padding: 40px 0;
	}

	.ind1,
	.ind1_fix {
		display: block;
	}

	.ind1_lf,
	.ind1_ri,
	.ri {
		width: 100%;
	}

	.ind1_lf h3 {
		font-size: 28px;
		margin: 15px 0;
	}

	.ind1_con {
		min-height: auto;
	}

	.ind1_lf,
	.ind1_ri,
	.ri {
		width: 100%;
	}

	.ind1_pro .ind1_lf {
		margin: 30px 0;
	}

	.more {
		display: none;
	}

	.banner_m {
		display: block;
	}

	.ind1_ri .change11 {
		width: 44%;
		padding-bottom: 15px;
		margin-right: 4%;
		margin-bottom: 20px;
	}

	.ind1_list ul li {
		width: 48%;
		margin-right: 4% !important;
		margin-bottom: 20px;
	}

	.banner_cp {
		display: none;
	}

	.ind1_list ul li:nth-child(2n) {
		margin-right: 0 !important;
	}

	.index3 ul li {
		width: 24%;
	}

	.index3 ul li:nth-of-type(4n) {
		margin-right: 0;
	}

}

@media only screen and (max-width: 796px) {}

@media only screen and (max-width: 770px) {
	header .centerBox form {
		display: inline-block;
		vertical-align: middle;
		margin-left: 15%;
		width: 40%;
	}

	.index3 ul li {
		width: 22%;
		margin-right: 3.25%;
	}

	.index3 ul li div {
		height: 118px;
	}

	.index3 ul li:nth-of-type(7n) {
		margin-right: 3.25%;
	}

	

	.news ul li div {
		padding: 20px;
	}

	.dang .fang {
		display: none;
	}
	
	.dang1 .fang {
		display: none;
	}

	.dang .qian {
		float: left;
	}
	.dang1 .qian {
		float: left;
	}

	.pro ul li {
		width: 45%;
		margin-right: 10% !important;
	}

	.pro ul li:nth-of-type(2n) {
		margin-right: 0 !important;
	}
	
	.suoqu form input[type=text] {
		width: 100%;
		margin-right: 0;
	}
	
	.suoqu form textarea {
		width: 100%;
		
	}
	
	.suoqu form div {
		text-align: center;
	}
	
	.suoqu form div input {
		width: 100%;
	}

	.guanli ul div.q1 {
		width: 100% !important;
		margin-right:0;
	}
	
	.guanli ul li {
		float: none;
		width: 45%;
		padding-top: 30px;
		margin-right:10% !important;
	}
	
	.guanli ul li:nth-of-type(2){
		margin-right: 0 !important;
	}
	
	.youhai>img {
		float: none;
		width: 100%;
		height: auto;
	}
	
	.youhai>div {
		float: none;
		width: 100%;
	}
	
	.youhai>div h3 {
		font-size: 26px;
	}
	
	.youhai>div h5 {
		padding-top: 20px;
	}


}


@media only screen and (max-width: 700px) {
	.dang .qian ul li {
		
		margin-right: 14px;
	}
	
	.dang1 .qian ul li {
		
		margin-right: 14px;
	}
	
	.ban div {
		width: 80%;
	}
}

@media only screen and (max-width: 640px) {
	.index3 ul li {
		width: 48%;
	}

	.index3 ul li:nth-of-type(2n) {
		margin-right: 0;
	}

	.fan a {
		width: 100%;
	}
	
	.celue ul li {
		width: 45%;
	}
	
	.celue ul li:nth-of-type(2n) {
		margin-right: 0;
	
	}
	.youhai>div ul {
		padding-top: 40px;
	}
	.ba2 {
	    padding: 60px 0;
	}
	.ba2 h3 {
		font-size: 18px;
	}
	
	.ba2 h4 {
		font-size: 14px;
	}
	
	.jszc1 {
		padding-top: 50px;
	}
	
	.back .xinghao h3 {
		font-size: 30px;
	}
	
}

@media only screen and (max-width: 560px) {
	.index4 ul li {
		width: 100%;
		padding: 10px 8px;
		margin-top: 20px;
	}

	.news ul li {
		width: 100%;
		margin-right: 0;
	}

	.dang .qian ul li {
		font-size: 12px;
	}
	
	.dang1 .qian ul li {
		font-size: 12px;
	}
	
	.guanli ul li {
		width: 45%;
		margin-right: 10% !important;
	}
	
	.guanli ul li:nth-of-type(2n) {
		margin-right: 0 !important;
	}
	
	.ban div h3 {
		font-size: 36px;
	}

}

@media only screen and (max-width: 460px) {}

@media only screen and (max-width: 414px) {
	.new_xq {
		padding-top: 50px;
	}

	.ind_ti span,
	.ind1_lf h3 {
		font-size: 26px;
	}

	.index3 ul li div {
		height: 100px;
	}

	.index2_lf {
		padding: 50px 0;
	}

	.new_xq h5 img {
		margin-top: 30px;
		margin-bottom: 50px;
	}

	.news {
		padding-top: 30px;
	}

	.news ul li {
		margin-top: 30px;
	}
	
	.pro {
		padding-top: 30px;
	}
	.pro ul {
		padding-top: 0;
	}
	
	.gongsi {
		padding-top: 30px;
	}
	
	.gongsi h3 {
		padding-top: 30px;
	}
	
	.zuzhi img {
		width: 100%;
	}
	
	.lianxi {
		padding-top: 30px;
	}
	
	.lianxi .liang .bel ul li span {
		font-size: 14px;
	}
	
	.rencai ul li .right {
		margin-right: 10px;
	}
	
	.rencai ul li .left {
		margin-left: 20px;
	}
	
	.pinzhi {
		padding-top: 30px;
	}
	.suoqu>h3 {
		font-size: 26px;
	}
	
	.suoqu>h4 {
		padding-top: 20px;
	}
	
	.ban div h3 {
		font-size: 30px;
	}
	
	.ban div h4 {
		font-size: 20px;
	}
	.ban {
	    padding: 50px 0;
	}
	
	
}

@media only screen and (max-width: 375px) {
	header .centerBox form {
		margin-left: 4%;
		width: 48.3%;
	}

	.lunbo {
		display: none;
	}

	.mib {
		display: block;
	}
	
	.ban img {
		height: 200px;
	}
}

@media only screen and (max-width: 360px) {}