@media (max-width: 1250px) {
	.column {
		width: 20%;
	}

	.content .cont {
		width: 80%;
	}
}

@media (max-width: 910px) {
	.column {
		width: 100%;
	}

	.content .cont {
		width: 100%;
	}

	.column span {
		font-size: 1.25rem;
		height: 50px;
		padding: 10px 0 0 20px;
	}

	.container {
		height: auto;
		height: 80px;
	}

	.header {
		position: relative;
		z-index: 13;
		width: 100%;
		height: 5rem;
		box-sizing: border-box;
		-webkit-box-sizing: border-box;
		line-height: 2rem;
		color: #fff;
		background: #fff;
		box-shadow: 0 0 .5rem rgba(0, 0, 0, .3);
	}

	.headtitle {
		margin: 0 5rem;
		text-align: center;
		height: 5rem;
		line-height: 5rem;
		font-size: 1.5rem;
		color: #333;
		white-space: nowrap;
		overflow: hidden;
		text-overflow: ellipsis;
	}

	.headlogo {
		position: relative;
		vertical-align: bottom;
	}

	.headl,
	.headr {
		position: absolute;
		top: 0;
		height: 5rem;
		font-size: 0;
	}

	.headl {
		left: 0;
	}

	.headr {
		right: 0;
	}

	.headwbc {
		position: fixed;
		top: -1px;
		display: flex;
		display: -webkit-box;
		align-items: center;
		-webkit-box-align: center;
	}

	.headwbc .headl,
	.headwbc .headr {
		position: static;
		left: auto;
		right: auto;
		top: auto;
		bottom: auto;
	}

	.headwbw {
		position: relative;
		display: block;
		flex: 1;
		-webkit-box-flex: 1;
		z-index: 9;
		text-align: center;
	}

	.headwbc .nam {
		color: #000000;
		font-size: 1.7rem;
		position: absolute;
		width: 100%;
		left: 30px;
		top: -15px;
		text-align: center;
	}

	.headwbw em {
		color: #000000;
		display: inline-block;
		font-size: 2.25rem;
	}

	.headwbw .a_a {
		position: absolute;
		left: 5px;
	}

	.headwbw:first-child {
		margin-left: 1rem;
		text-align: left;
	}

	.headwbw:last-child {
		margin-right: 1rem;
	}

	.headbtn {
		position: relative;
		display: inline-block;
		text-align: center;
		padding: 1.3rem 1rem 0 1rem;
		min-width: 4rem;
		height: 5rem;
		font-size: 1.2rem;
		color: #999;
		box-sizing: border-box;
		-webkit-box-sizing: border-box;
		vertical-align: top;
	}

	.headbtn:visited {
		color: #999;
	}

	.headbtn:active {
		background-color: rgba(0, 0, 0, .1);
	}

	.hico {
		display: inline-block;
		width: 2.5rem;
		height: 2.5rem;
		background-image: url(../images/icon/hico.png);
		background-repeat: no-repeat;
		background-size: 2.5rem auto;
		vertical-align: top;
	}

	/*sidemenu*/
	.sidemenu_wrap {
		position: fixed;
		z-index: -1;
		top: 0;
		left: 0;
		display: block;
		width: 100%;
		height: 100%;
		transition: z-index 0s .3s;
		-webkit-transition: z-index 0s .3s;
	}

	.show_sidemenu .sidemenu_wrap {
		z-index: 199;
		transition: z-index 0s 0s;
		-webkit-transition: z-index 0s 0s;
		z-index: 999999999;
	}

	.container {
		transition: transform .3s;
		-webkit-transition: -webkit-transform .3s;
	}

	.show_sidemenu .container {
		transform: translateX(-20rem);
		-webkit-transform: translateX(-20rem);
	}

	.fade_bkbg {
		position: fixed;
		top: 0;
		bottom: 0;
		left: 0;
		right: 0;
		width: auto;
		height: auto;
		background-color: rgba(0, 0, 0, .5);
		opacity: 0;
		visibility: hidden;
		transition-duration: .3s;
		-webkit-transition-duration: .3s;
	}

	.show_sidemenu .sidemenu_wrap .fade_bkbg {
		opacity: 1;
		visibility: visible;
	}

	.menuico {
		position: relative;
		display: block;
		width: 2.5rem;
		height: 2.5rem;
		transition: transform 0.2s;
		-webkit-transition: -webkit-transform 0.2s;
	}

	.menuico_bd01,
	.menuico_bd02,
	.menuico_bd03 {
		position: absolute;
		display: block;
		width: 2.5rem;
		height: 2.5rem;
		line-height: 0;
		font-size: 0;
		overflow: hidden;
		transform 0.25s cubic-bezier(0.4, 0.01, 0.165, 0.99);
		-webkit-transition: -webkit-transform 0.25s cubic-bezier(0.4, 0.01, 0.165, 0.99);
		transform: rotate(0);
		transition: -webkit-transform: rotate(0);
	}

	.show_sidemenu .menuico_bd01 {
		transition: transform 0.25s 0.2s cubic-bezier(0.4, 0.01, 0.165, 0.99);
		-webkit-transition: -webkit-transform 0.25s 0.2s cubic-bezier(0.4, 0.01, 0.165, 0.99);
		transform: rotate(45deg);
		-webkit-transform: rotate(45deg);
	}

	.show_sidemenu .menuico_bd03 {
		transition: transform 0.25s 0.2s cubic-bezier(0.4, 0.01, 0.165, 0.99);
		-webkit-transition: -webkit-transform 0.25s 0.2s cubic-bezier(0.4, 0.01, 0.165, 0.99);
		transform: rotate(-45deg);
		-webkit-transform: rotate(-45deg);
	}

	.menuico_bd01::before,
	.menuico_bd02::before,
	.menuico_bd03::before {
		position: absolute;
		left: .3rem;
		display: block;
		content: "";
		width: 1.9rem;
		height: 2px;
		background-color: #666;
		border-radius: 2px;
		transition: transform .2s .3s;
		-webkit-transition: -webkit-transform .2s .3s;
	}

	.menuico_bd01::before {
		top: .6rem;
	}

	.menuico_bd02::before {
		top: 1.2rem;
	}

	.menuico_bd03::before {
		top: 1.8rem;
	}

	.show_sidemenu .menuico_bd01::before {
		left: 50%;
		margin-left: -1rem;
		transform: translateY(.5rem);
		-webkit-transform: translateY(.5rem);
	}

	.show_sidemenu .menuico_bd02::before {
		transform: translateX(2.5rem);
		-webkit-transform: translateX(2.5rem);
	}

	.show_sidemenu .menuico_bd03::before {
		left: 50%;
		margin-left: -1rem;
		transform: translateY(-.7rem);
		-webkit-transform: translateY(-.7rem);
	}

	.sidemenu {
		position: fixed;
		top: 0;
		right: 0;
		display: block;
		width: 20rem;
		height: 100%;
		box-sizing: border-box;
		-webkit-box-sizing: border-box;
		color: #fff;
		background-color: #FFFFFF;
		overflow-x: hidden;
		overflow-y: scroll;
		-webkit-user-select: none;
		-webkit-overflow-scrolling: touch;
		transform: translateX(100%);
		-webkit-transform: translateX(100%);
		-webkit-backface-visibility: hidden;
		transition: transform .3s;
		-webkit-transition: -webkit-transform .3s;
	}

	.show_sidemenu .sidemenu {
		transform: translateX(0);
		-webkit-transform: translateX(0);
		z-index: 211;
	}

	.sidemenulist {
		line-height: 2rem;
		font-size: 1.2rem;
	}

	.sidemenulist>li {
		border-bottom: 1px solid rgba(255, 255, 255, .1);
	}

	.sidemenu .sidemenulist li a {
		font-size: 1.2rem;
		position: relative;
		display: block;
		padding: 1.2rem .8rem 0 4rem;
		height: 3.5rem;
		box-sizing: border-box;
		-webkit-box-sizing: border-box;
		white-space: nowrap;
		overflow: hidden;
		text-overflow: ellipsis;
		color: #333333;
		text-align: left;
		font-size: 1rem;
		line-height: normal;
		box-sizing: border-box;
		border-bottom: 1px solid #DDDDDD;
	}

	.sidemenu .sidemenulist li i {
		display: none;
	}

	.sidemenulist a::after {
		position: absolute;
		right: 1rem;
		top: 50%;
		margin-top: -.4rem;
		display: block;
		content: "";
		width: .6rem;
		height: .6rem;
		border-width: 2px 2px 0 0;
		border-style: solid;
		border-color: #fff;
		transform: rotate(45deg) skew(5deg, 5deg);
		-webkit-transform: rotate(45deg) skew(5deg, 5deg);
		transition-duration: .3s;
		-webkit-transition-duration: .3s;
	}

	.show_sidemenu .container {
		transform: translateX(-15rem);
		-webkit-transform: translateX(-15rem);
	}

	.sidemenu {
		width: 15rem;
	}

	.headwbw img {
		width: 50%;
	}

	.sidemenu .sidemenulist {
		width: auto;
		display: block;
	}

	.phone_search {
		margin-right: 5px;
		display: block;
		margin-right: 5px;
		display: block;
		background: url(../img/icon/search.png) center no-repeat;
		background-color: #999999;
		width: 40px;
		height: 40px;
		cursor: pointer;
	}

	.header .search {
		position: absolute;
		right: 0;
		top: 80px;
		margin-top: 0;
	}

	.header .tel {
		display: none;
	}

	.header .img {
		display: none;
	}

	.headwbw img {
		margin-top: 0;
	}

	.header .weather .tianqi {
		display: none;
	}

	#demo {
		display: none;
	}

	.header .search {
		display: none;
	}

	.txtScroll-left .bd li a .voc-lip {
		width: 60%;
		margin-left: 5px;
	}

	.m1 .left,
	.m1 .cent,
	.m1 .right {
		width: 100%;
		margin-left: 0;
		margin-bottom: 20px;
	}

	.cent ul li .tex {
		width: 80%;
	}

	.m2 .cent {
		margin-left: 20px;
		width: 50%;
	}

	.sidemenu .sidemenulist li dl {
		position: relative;
		/* display: block; */
	}

	.sidemenu .sidemenulist li dl dd {
		height: auto;
		line-height: normal;
	}

	.sidemenu .sidemenulist li dl dd.phone {
		display: block;
	}

	.sidemenu .sidemenulist li dl dd a {
		height: auto;
		padding: 1rem .8rem 1rem 4rem;
	}

	.sidemenu .sidemenulist li dl dd:last-child a {
		border-bottom: 1px solid #e4322b !important;
	}

	/* 	.min_1200{
		min-width: auto;
		max-width: 1200px;
		width: 95%;
	} */
	.w_1200 {
		width: auto;
	}

	.i_center {
		display: flex;
	}

	.box_pt30 {
		flex: 1;
		margin-left: 30px;
		margin-right: 20px;
	}
	.i_projects_ul .pic{
		height: auto;
	}
}

@media (max-width: 640px) {
	.i_r_th .th_l{
		font-size: 14px;
	}
	
	.footer .more{
		width: 100%;
		text-align: center;
	}
	
	.headwbw img {
		width: 90%;
	}

	.banner .swiper-slide img {
		height: 150px;
	}
	
	.m1 .left .hot .swiper-slide img{
		width: 100%;
	}

	.swiper-container-horizontal>.swiper-pagination-bullets,
	.swiper-pagination-custom,
	.swiper-pagination-fraction {
		bottom: 10px;
	}

	.txtScroll-left .bd li a span.voc-lit {
		opacity: 0;
		/* position: absolute; */
		font-size: 12px;
	}

	.txtScroll-left .voc {
		left: 0;
	}

	.txtScroll-left .voc-lim {
		right: 0;
	}

	.txtScroll-left .bd {
		padding-left: 100px;
	}

	.txtScroll-left .bd li a .voc-lip {
		width: 70%;
	}

	.m1 .left .hot {
		width: 100%;
		height: auto;
	}

	.m1 .left .hot .swiper-container {
		width: 100%;
		height: auto;
	}

	.m1 .left .hot .swiper-slide .text {
		bottom: 6px;
	}

	.m2 .left,
	.m2 .cent,
	.m2 .right {
		width: 100%;
		margin-left: 0;
		margin-bottom: 20px;
	}

	.m2 .left .video {
		width: 100%;
		height: auto;
	}

	.m2 .left .video img {
		width: 100%;
	}

	.m2 .right .box img {
		width: 100%;
	}

	.footer {
		text-align: center;
	}

	.footer .more {
		margin-top: 20px;
	}

	.footer .more select {
		margin-bottom: 10px;
	}

	.m2 .right .box a {
		height: auto;
	}

	.m2 .right .swiper-container {
		width: 100%;
	}

	.m2 .right .swiper-container .swiper-slide img {
		width: 100%;
	}

	.m2 .left .box a {
		width: 49%;
	}

	.m2 .left .box .a3,
	.m2 .left .box .a4,
	.m2 .left .box .a5 {
		width: 32%;
	}

	.i_banner_img {
		height: 150px;
	}

	.box_mh30 {
		display: block;
	}

	.box_pt30 {
		width: 100%;
		margin: 0;
	}

	.i_left {
		padding-bottom: 0px;
		margin-bottom: 0px;
		min-height: 0px;
	}

	.box_pt30 {
		width: 95%;
		margin-right: 2.5%;
	}

	.box_mh30 {
		margin-top: 0;
	}

	.i_left {
		width: 100%;
	}

	.i_l_nav {
		width: 100%;
	}

	.i_l_th {
		text-align: center;
	}

	.i_banner {
		height: 150px;
	}
	
	.box_mh50{
		margin-top: 20px;
		margin-bottom: 20px;
	}
	.list_3 .item_li{
		width: 100%;
	}
	.i_projects_ul{
		margin-right: 0;
	}
	.i_projects_ul .box{
		margin-right: 0;
	}
	.i_projects_ul .item_li{
		margin-top: 15px;
	}
}

@media (max-width: 320px) {}