@media screen and (max-width:770px) {

	.head,.head .head_r,.i_ma,.i_mb,.i_mc,.i_md,.bq,.foot,.i_me,.scd {
		width: 320px;
		margin: 0px auto;
	}

	.head {
		position: relative;
	}

	.head .logo img,
	.head .logo {
		width: 119px;
		height: 81px;
	}

	.head .logo {
		position: absolute;
		left: 0;
		top: 0;
	}

	.r_top span {
		font-size: 12px;
	}

	.r_top .search {
		width: 190px;
		margin-top: 10px;
	}

	.head .nav {
		margin-top: 50px;
		text-align: left;
	}

	.head .nav li a {
		width: 103px;
		padding: 0;
		text-align: center;
	}

	.head .nav li {
		margin: 0px;
	}

	.banner {
		height: auto;
	}

	.flexslider .slides>li {
		overflow: visible;
	}

	.flexslider .slides img {
		width: 100%;
		height: auto;
		margin-left: 0px !important;
	}

	.i_ma .i_mal,
	.i_ma .i_mar {
		width: 100%;
	}

	.i_ma .i_mal {
		margin-bottom: 20px;
	}

	.i_mal .box_m {
		line-height: 185%;
	}

	.i_mar .box_m {
		height: auto;
		margin-bottom: 10px;
	}

	.i_mar .box_m embed {
		width: 320px;
		height: 170px;
	}

	.bg_a,
	.f_bg,
	.bq_bg,
	.banner_s,
	.banner {
		min-width: 320px;
	}

	.i_mb ul {
		height: 870px;
		overflow: hidden;
	}

	.i_mb ul li {
		width: 100%;
		margin-right: 0px;
		text-align: center;
	}

	.i_mc ul li {
		float: none;
		margin: 0px auto !important;
		margin-top: 75px !important;
	}

	.i_md ul {
		height: 866px;
		overflow: hidden;
	}

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

	.i_md ul li img {
		width: 320px;
		height: 343px;
	}

	.i_mc ul li {
		width: 318px;
	}

	.i_mc ul li .tu {
		left: 110px;
	}

	.i_mb ul li img {
		width: 320px;
		height: 384px;
	}

	.foot .f_nav {
		width: 100%;
	}

	.foot .f_code {
		width: 100%;
		position: static;
		margin-top: 20px;
	}

	.f_nav li {
		width: 103px;
		margin-left: 0px;
		height: 200px;
	}

	.foot .f_code p {
		text-align: left;
	}

	#focus_Box {
		display: none;
	}

	.sj_sp {
		display: block;
	}

	.banner_s,
	.banner_s img {
		width: 100%;
		height: auto;
		margin-left: 0px !important;
	}

	.scd .scd_l {
		width: 100%;
		background-size: 100%;
		height: auto;
		padding-bottom: 20px;
	}

	.scd_l .s_nav li {
		width: 280px;
		background-repeat: repeat-x;
	}

	.scd_l .s_nav li a {
		width: 241px;
	}

	.scd .scd_r {
		width: 100%;
	}

	.scd_r .r_title {
		font-size: 24px;
	}

	.scd_r .scd_m {
		overflow: hidden;
	}

	.scd_r .scd_m img {
		max-width: 320px;
		height: auto;
	}

	.pro li img,
	.pro li {
		width: 318px;
		height: 296px;
		margin-right: 0px;
	}

	.pro li .des {
		width: 320px;
	}

	.pages a {
		font-size: 14px;
	}

	.news dl dt,
	.news dl dt img {
		width: 320px;
		height: 183px;
	}

	.news dl dd {
		width: 100%;
		margin-top: 5px;
	}

	.news dl dd .title em {
		font-size: 12px;
	}

	.service dt,
	.service dd {
		width: 100%;
		height: auto;
	}

	.service dt {
		margin-bottom: 20px;
	}

	.contact dl dt {
		width: 100%;
		margin-right: 0;
		text-align: center;
	}

	.contact dl dd {
		width: 100%;
		line-height: 180%;
	}

	.contact dl dd p {
		margin-bottom: 10px;
	}
}