@media screen and (min-width: 1024px) and (max-width: 1170px) {

	.box,
	.advantage {
		width: 96%
	}

	.about p {
		width: auto;
		padding-right: 50px
	}
}

@media only screen and (max-width: 1023px) {

	.box,
	.advantage {
		width: 96%
	}

	.about p {
		width: auto;
		padding-right: 50px
	}

	header#header {
		background: rgb(0, 0, 0, .8);
		padding: 20px 0
	}

	.white-bg.slideDown {
		background: rgb(0, 0, 0, .8) !important;
	}

	#mnavh {
		display: block;
		position: fixed;
		right: 20px;
		top: 15px;
	}

	#starlist {
		display: none;
		width: 100%;
	}

	nav li {
		width: 100%;
		margin-left: 0;
	}

	nav li a {
		display: block
	}

	nav li:nth-child(1) {
		margin-top: 30px
	}

	nav li:last-child {
		margin-bottom: 200%
	}

	.open {
		top: 15px;
		position: absolute;
		right: 20px;
	}

	.slideDown {
		padding: 20px 0
	}

	.logo {
		float: none;
	}

	.logo img {
		margin: auto;
		height: 50px;
	}

	nav {
		width: 100%;
		float: none;
	}

	.list-bg {
		margin-top: 73px;
	}

	.white-bg #starlist li a {
		color: #fff
	}
}

@media only screen and (max-width: 768px) {
	header#header {
		padding: 10px 0;
	}

	#mnavh,
	.open {
		top: 6px;
	}

	.banner {
		height: 690px;
		font-size: 15px;
	}

	.advantage li section span {
		overflow: hidden;
		text-overflow: ellipsis;
		-webkit-box-orient: vertical;
		display: -webkit-box;
		-webkit-line-clamp: 2;
	}

	.news-list p {
		margin-right: 140px;
	}

	.h-title span {
		width: 80%
	}

	.list-bg {
		margin-top: 60px;
	}

	ul.page-case-list li a {
		margin: 10px;
	}

	.right-box {
		display: none
	}

	.left-box {
		margin-right: 0
	}
}

@media only screen and (max-width: 480px) {
	header#header {
		padding: 5px 0;
	}

	#mnavh,
	.open {
		top: 9px;
		right: 10px;
	}

	.navicon:before,
	.navicon:after {
		height: 3px;
	}

	.navicon,
	.open .navicon:before,
	.open .navicon:after {
		height: 3px;
	}

	.banner {
		height: 560px;
	}

	.banner li:nth-child(1),
	.banner li:nth-child(2) {
		font-size: 22px;
	}

	.banner li:nth-child(3),
	.banner li:nth-child(4) {
		padding: 0 20px;
	}

	.advantage ul {
		height: 120px;
		top: -60px;
		width: 100%;
	}

	.advantage li:nth-child(2) section:before {
		left: -10px;
	}

	.advantage li:nth-child(2) section:after {
		right: -10px
	}

	.advantage {
		height: 100px;
	}

	.advantage li section img {
		height: 50px;
	}

	.advantage li section {
		margin: 10px;
		padding: 10px;
	}

	.advantage li section span {
		display: none;
	}

	.advantage p {
		font-size: 15px;
		margin: 5px 0;
	}

	.h-title h2 {
		font-size: 22px;
	}

	.h-title span {
		overflow: hidden;
		text-overflow: ellipsis;
		-webkit-box-orient: vertical;
		display: -webkit-box;
		-webkit-line-clamp: 2;
	}

	.h-title h2 {
		font-size: 22px;
	}

	.service-a li,
	.service-b li {
		width: 100%;
	}

	.service-a img {
		width: 100%;
	}

	.service-a i {
		float: left;
		width: 120px;
		margin-bottom: 0;
		overflow: hidden;
		margin-right: 10px;
	}

	.service-a section {
		padding: 10px;
		margin-bottom: 10px;
	}

	.service-a span,
	.service-b span {
		padding: 0;
		text-align: left;
		margin-bottom: 0;
	}

	.service-a p,
	.service-b p {
		font-size: 16px;
		text-align: left;
	}

	.service-b i {
		float: left;
		margin-bottom: 0;
	}

	.service-b img {
		width: 90px;
	}

	.service-b li {}

	.service-b section {
		margin: 10px;
		padding: 10px;
		box-shadow: 0px 5px 9px 1px rgba(144, 161, 180, 0.2);
	}

	.service-a {
		margin-bottom: 0;
	}

	.service-b {
		margin-bottom: 30px;
	}

	.case-list li h3 {
		font-size: 14px
	}

	.case-list p {
		display: none;
	}

	.case-list li:nth-child(1),
	.case-list li:nth-child(2),
	.case-list li:nth-child(5),
	.case-list li:nth-child(6) {
		width: 50%;
	}

	.case-list li:nth-child(3),
	.case-list li:nth-child(4) {
		width: 100%;
	}

	.case-list li {
		height: 200px;
	}

	.bth-text {
		height: 36px;
		line-height: 36px;
		font-size: 15px;
		width: 160px;
	}

	.case-list ul {
		margin-bottom: 30px;
	}

	.about-section {
		margin: 30px 0;
		background-size: 100%;
	}

	.about {
		margin-top: 160px;
		width: 100%;
	}

	.about h2 {
		font-size: 22px;
		margin: 20px 0 20px 50px;
	}

	.btn-blue {
		margin: 20px 0 0 50px;
	}

	.news-list li i {
		width: 100px;
		height: auto;
		margin-right: 10px;
	}

	.news-list span {
		display: none;
	}

	.news-list h2 {
		margin-right: 0;
		font-size: 16px;
		margin-top: 6px;
	}

	.news-list p {
		margin-right: 0;
		float: left;
		margin-top: 10px;
		-webkit-line-clamp: 2;
	}

	.news-list li {
		margin: 20px 10px;
	}

	.news {
		margin-bottom: 30px;
	}

	.contact-list li {
		width: 50%;
		font-size: 14px;
	}

	.ft-img {
		float: none;
	}

	.end-logo {
		margin: 20px auto;
	}

	.end-nav {
		text-align: center;
	}

	.end-nav li {
		margin-right: 5px;
		padding-right: 5px;
	}

	.end-nav li:after {
		right: 0px;
	}

	p.copyright {
		text-align: center;
		padding: 0 20px;
	}

	.banner ul {
		top: 20%;
	}

	.list-bg {
		margin-top: 60px;
		height: 200px;
	}

	.content {
		padding: 0 10px;
	}

	.list-title {
		margin-bottom: 20px;
	}

	ul.page-case-list li {
		width: 100%;
	}

	ul.page-case-list li i {
		height: auto;
	}

	ul.page-case-list li i img {
		height: auto;
		width: 100%;
	}

	.tell-tit h2 {
		font-size: 18px;
	}

	.tell-tit p {
		padding: 0 30px;
		line-height: 24px;
	}

	.kefu li {
		width: 100%;
	}

	.kefu li img {
		float: left;
		width: 100px;
		margin-right: 10px;
	}

	.kefu li a {
		margin: 10px;
		box-shadow: 0px 3px 9px 1px rgba(144, 161, 180, 0.2);
		padding: 5px;
		border: 1px solid #f4f4f4;
	}

	.kefu li h3 {
		text-align: left;
		margin: 20px 0 10px 0;
	}

	.kefu p {
		text-align: left;
	}

	ul.form-sq {
		width: 80%;
	}

	.news-info {
		box-shadow: 0px 3px 9px 1px rgba(144, 161, 180, 0.2);
		border: 1px solid #f4f4f4;
		margin: 0 10px;
	}

	.news-info p:last-child {
		display: block;
		clear: both;
		margin-top: 20px;
	}

	.news-info i {
		width: 80px;
	}

	.nextinfo {
		margin: 10px;
	}

	.nextinfo li {
		width: 100%
	}
}