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


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

}
@media only screen and (max-width: 1600px){

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

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


}
@media only screen and (max-width: 1366px){


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

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

}
@media only screen and (max-width: 1200px){
	.centerBox{
		width: 94%;
	}
	.nav ul li{
		margin-left: 6%;
	}
	.pro_zutu{
		height: 340px;
	}
	.pro_ms{
		padding: 0 14px;
	}
	.pro_ms h3 {
		margin-bottom: 10px;
	    font-size: 20px;
	}
	.pro_ms .txt, .pro_ms .txt * {
	    font-size: 16px;
	    line-height: 36px;
	}
	a.lx {
	    width: 200px;
	    height: 40px;
	    line-height: 40px;
	}
	.sy_about .text_k {
	    width: 94%;
	    padding: 0 0 0 90px;
	}
}
@media only screen and (max-width: 1130px){

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

}
@media only screen and (max-width: 1024px){
	.fot_text {
	    width: 60%;
	}
	.fot_wechat{
		width: 40%;
	}
	.nav ul li {
	    margin-left: 4%;
	    font-size: 15px;
	}
	a.lx{
		margin-top: 60px;
	}
	.course_list .next,
	.course_list .prev{
		cursor: none;
	}
	.sy_about .text_k {
	    padding: 0 0 0 60px;
	}
	.sy_news_li ul li h3{
		margin-bottom: 10px;
	}
	.sy_news_li ul li {
	    margin-bottom: 30px;
	    padding-bottom: 40px;
	}

}
@media only screen and (max-width: 990px){


}
@media only screen and (max-width: 900px){
	.logo img {
		height: 100px;
		display: block;
	
	}

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

}
@media only screen and (max-width: 770px){
	.header{
		height: 60px;
		position: fixed;
		top: 0;
		left: 0;
		width: 100%;
		box-shadow: 0 4px 4px rgba(0,0,0,0.2);
		z-index: 999;
	}
	.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;
	}
	.nav ul li{
		width: 100%;
		font-size: 20px;
		line-height: 70px;
		border-bottom: none;
		margin: 0 auto;
	}
	.menu{
		display: flex;
	}
	.erji{
		position: unset;
		left: 0;
		width: 100%;
		background: none;
		padding: 0;
	}
	.erji dl dd{
		font-size: 18px;
		line-height: 40px;
		color: #666;
	}
	.link ul li{
		margin-right: 8%;
	}
	.banner{
		margin-top: 60px;
	}
	.product {
	    padding: 30px 0;
	}
	.main_title h3 {
	    font-size: 24px;
	}
	.pro_t ul li {
	    font-size: 16px;
	    margin: 0 20px;
	}
	.pro_zutu{
		width: 530px;
		display: block;
		margin: auto;
	}
	.pro_zutu {
		padding-bottom: 20px;
	    height: 424px;
	}
	.gallery-top{
		height: 410px!important;
	}
	.pro_ms{
		width: 60%;
	}
	.new_pro{
		width: 40%;
	}
	.product_show{
		padding-bottom: 40px;
	}
	.pro_title {
	    padding-bottom: 20px;
	}
	.service_gs .img{
		width: 100%;
	}
	.service_gs .text{
		width: 100%;
		margin-top: 30px;
		padding: 0;
	}
	.service {
	    padding: 30px 0;
	}
	.news_show {
	    padding: 30px 0;
	}
	.about_text .img{
		width: 100%;
	}
	.about_text .text{
		width: 100%;
		padding: 0;
		margin-top: 20px;
	}
	.about {
	    padding: 30px 0;
	}
	.about_text {
	    margin-top: 20px;
	    padding-bottom: 40px;
	}
	.course {
	    padding-bottom: 30px;
	}
	.course_list {
	    margin-top: 20px;
	}
	.honor_list ul {
	    margin-top: 20px;
	}
	.contact {
	    padding: 30px 0;
	}
	.contact_map .map{
		width: 100%;
	}
	.map_lsit{
		width: 100%;
		padding: 0;
		margin-top: 20px;
	}
	.contact_form .form_text{
		height: 50px;
		line-height: 50px;
	}
	.sy_banner{
		margin-top: 60px;
	}
	.sy_about .text_k {
	    padding: 0 0 0 30px;
	    margin-bottom: 30px;
	}
	.sy_about .text h3 {
	    margin-bottom: 10px;
	    margin-top: 30px;
	    font-size: 24px;
	    line-height: 40px;
	}
	.about_more{
		margin-top: 20px;
	}
	.sy_service,.sy_anli,.sy_news,.sy_answers{
	    padding: 30px 0;
	}
	.sy_news_list {
	    margin-top: 30px;
	    margin-bottom: 30px;
	}
	.sy_news_li ul li {
	    margin-bottom: 20px;
	    padding-bottom: 24px;
	}
	.sy_news_li {
	    padding-left: 20px;
	}

}
@media only screen and (max-width: 640px){
	.nav ul li {
	    font-size: 18px;
	    line-height: 50px;
	}
	.erji dl dd {
	    font-size: 15px;
	    line-height: 30px;
	}
	.footer {
	    background: #333;
	    padding: 30px 0;
	}
	.fot_t {
	    font-size: 18px;
	    padding-bottom: 16px;
	}
	.link {
	    margin-bottom: 40px;
	}
	.fot_text {
	    width: 100%;
	}
	.fot_wechat{
		margin-top: 20px;
		width: 100%;
	}
	.fot_wechat img {
	    width: 120px;
	    display: block;
	    margin: auto;
	}
	.fot_wechat p{
		width: 100%;
	}
	.fot_cop{
		padding: 14px 0;
	}
	.banner{
		height: 160px;
	}
	.banner img{
		display: none;
	}
	.pro_list ul li{
		width: 48%;
		margin-right: 4%;
	}
	.pro_list ul li:nth-child(2n){
		margin-right: 0;
	}
	.main_title h3 {
	    font-size: 20px;
	    line-height: 30px;
	}
	.main_title h4 {
	    font-size: 14px;
	}
	.pro_t ul {
	    margin-top: 10px;
	}
	.pro_t {
	    margin-bottom: 30px;
	}
	.pro_t ul li {
	    margin: 0 14px;
	}
	.pro_list ul li p{
		line-height: 30px;
	}
	.pro_list ul li{
		margin-bottom: 14px;
	}
	#pages a,
	#pages span{
		margin: 0;
	}
	#pages{
		font-size: 12px;
	}
	#pages a.a1{
		padding: 0 6px;
	}
	.pro_zutu{
		width: 320px;
		height: 260px;
	}
	.gallery-top {
	    height: 240px!important;
	}
	.pro_ms,.new_pro{
		width: 100%;
		padding: 0;
	}
	.pro_ms h3{
		font-size: 18px;
	}
	.pro_ms .txt, .pro_ms .txt * {
	    font-size: 14px;
	    line-height: 30px;
	}
	a.lx {
	    margin-top: 40px;
	    margin-bottom: 20px;
	}
	.new_pro ul li {
	    margin-top: 10px;
	}
	.sxp span{
		width: 100%;
		font-size: 15px;
	}
	.site {
	    padding: 10px 0;
	}
	.service_list ul li{
		width: 48%;
		margin-right: 4%;
	}
	.service_list ul li:nth-child(2n){
		margin-right: 0;
	}
	.service_gs .text h3{
		font-size: 18px;
	}
	.service_gs .text{
		margin-top: 10px;
	}
	.service_gs .text .txt, .service_gs .text .txt * {
	    font-size: 14px;
	}
	.service_gs {
	    padding-bottom: 30px;
	}
	.service_list .ser_h3 {
	    font-size: 18px;
	}
	.service_list ul li p{
		margin-top: 10px;
	}
	.service_list ul li{
		margin-bottom: 20px;
	}
	.news_show h3 {
	    font-size: 18px;
	    line-height: 24px;
	}
	.news_show h4 {
	    margin-bottom: 20px;
	    font-size: 12px;
	    line-height: 30px;
	}
	.news_show .txt, .news_show .txt * {
	    font-size: 14px;
	    line-height: 24px;
	}
	.news_show .txt {
	    padding-bottom: 40px;
	}
	.news_list ul li{
		width: 48%;
		margin-right: 4%;
		margin-bottom: 20px;
	}
	.news_list ul li:nth-child(3n){
		margin-right: 4%;
	}
	.news_list ul li:nth-child(2n){
		margin-right: 0;
	}
	.news_list li .text {
	    padding: 10px;
	}
	.news_list li .text p {
	    font-size: 13px;
	    margin-bottom: 0;
	}
	.news_list li .text h3 {
	    font-size: 16px;
	    line-height: 24px;
	    margin-bottom: 4px;
	}
	.news_list li .text h4 {
	    line-height: 22px;
	}
	.news_list ul {
	    margin-top: 20px;
	}
	.about_text .text, .about_text .text * {
	    font-size: 14px;
	}
	.course_list .next, .course_list .prev{
		width: 24px;
	}
	.course_li h3{
		font-size: 14px;
		line-height: 30px;
	}
	.course_li h4 {
	    font-size: 15px;
	    line-height: 30px;
	    margin-top: 4px;
	}
	.honor_list ul li{
		width: 48%;
		margin-right: 4%;
		margin-bottom: 20px;
	}
	.honor_list ul li:nth-child(2n){
		margin-right: 0;
	}
	.contact_map .map {
	    height: 200px;
	}
	.contact_map {
	    margin-bottom: 30px;
	    margin-top: 20px;
	}
	.map_lsit ul li {
	    margin-bottom: 6px;
	}
	.contact_form .form_text {
	    height: 40px;
	    line-height: 40px;
	    width: 100%;
	    margin-right: 0;
	}
	.contact_form .form_submit{
		height: 40px;
		line-height: 40px;
		font-size: 16px;
	}
	.sy_banner_sj{
		display: block;
	}
	.sy_banner_pc{
		display: none;
	}
	.sy_banner_sj .swiper-slide{
		height: 160px;
	}
	.sy_about .img{
		width: 100%;
		height: 200px!important;
	}
	.sy_about .text{
		padding-top: 20px;
		padding-bottom: 20px;
		position: relative;
		top: -60px;
		z-index: 99;
		width: 90%;
		display: block;
		margin: 0 auto -60px;
	}
	.sy_about .text h3{
		margin-top: 0;
		font-size: 20px;
	}
	.sy_about .text_k{
		padding: 0 30px;
		width: 100%;
	}
	.sy_anli ul li{
		margin-bottom: 20px;
		width: 48%;
		margin-right: 4%;
	}
	.sy_anli ul li:nth-child(2n){
		margin-right: 0;
	}
	.sy_news_one{
		width: 100%;
	}
	.sy_news_li{
		width: 100%;
		padding: 0;
		margin-top: 30px;
	}
	.sy_news_one .text h3 {
	    font-size: 16px;
	    line-height: 34px;
	}
	.sy_news_li ul li h3{
		font-size: 16px;
		margin-bottom: 4px;
	}
	.sy_answers ul li{
		width: 100%;
		margin-right: 0;
	}
}
@media only screen and (max-width: 560px){


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

}
@media only screen and (max-width: 414px){


}
@media only screen and (max-width: 375px){


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


}