@charset "gb2312"; 
/* CSS Document */
a, abbr, acronym, address, applet, article, aside, audio, b, big, blockquote, body, canvas, caption, center, cite, code, dd, del, details, dfn, div, dl, dt, em, embed, fieldset, figcaption, figure, footer, form, h1, h2, h3, h4, h5, h6, header, hgroup, html, i, iframe, img, ins, kbd, label, legend, li, mark, menu, nav, object, ol, output, pre, q, ruby, s, samp, section, small, span, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, time, tr, tt, u, ul, var, video , p{	margin:0;padding:0;	border:0;}
table {border-collapse:collapse;border-spacing:0}
button, input, select, textarea {outline:0;-webkit-box-sizing:border-box}
article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {display:block}
li, ol, ul {list-style:none}
blockquote, q {quotes:none}
blockquote:after, blockquote:before, q:after, q:before {content:'';	content:none}
b, strong {font-weight:700}
a{	color:#222; text-decoration:none;}
.c{ clear:both; overflow:hidden;}
html{-webkit-text-size-adjust: 100%;text-size-adjust: 100%;	word-wrap: break-word; font-size:50px;}
.mainbox{height: 100%;margin: 0 auto;max-width:750px;position: relative;width: 100%;z-index:8;}
.mainboxbg{position:fixed; height:100%; width:100%; top:0; display:none; z-index:9; filter:alpha(opacity=50);-moz-opacity:0.5;opacity:0.6; background:#000;}
body {background:#fff; max-width:750px; margin:0 auto;position:relative; overflow-x:hidden;}
input {outline:0; -webkit-box-sizing:border-box; -webkit-tap-highlight-color:transparent; -webkit-appearance:none}
input:focus, textarea:focus {outline:0;}
.w50{ width: 50%; }
.center{ text-align:center;}
/* 定义浮动 */ 
.fl{float: left!important; display: inline}
.fr{float: right!important;	display: inline}
/*清除浮动*/
.clearfix:before,.clearfix:after{content:"";display:table;}
.clearfix:after{clear:both;}
.clearfix{*zoom:1;/*IE/7/6*/}
.mt1{ margin-top:0.1rem;}
.mt2{ margin-top:0.2rem;}
.mt3{ margin-top:0.3rem;}
.mt4{ margin-top:0.4rem;}
.mt12{ margin-top:12%;display: inline-block;}

/*logo*/
#logo{ width:100%; height:1.05rem; overflow:hidden; text-align:center;}
#logo img{ width:auto; height:1.05rem; overflow:hidden;}

/*nav*/
nav{width: 100%; overflow:hidden; background:#1e6fc9;}
nav a{font-size:0.28rem; color:#fff; display:block; float:left; width:25%; text-align:center; box-sizing:border-box; border-left:1px solid #1b66b9; border-right:1px solid #3780d0; height:0.66rem;line-height:0.66rem; overflow:hidden;}
nav a:nth-child(4),nav a:nth-child(8){border-right:none;}
nav a:nth-child(1),nav a:nth-child(2),nav a:nth-child(3),nav a:nth-child(4){border-bottom:1px solid #1b66b9;}
nav a:nth-child(5),nav a:nth-child(6),nav a:nth-child(7),nav a:nth-child(8){border-top:1px solid #3780d0;}
nav a:nth-child(4n+1){border-left:none;}

/* banner */
.slideBox{position:relative; max-width:750px; max-height:400px; z-index:10;}
.slideBox img{max-width:750px; max-height:400px; overflow:hidden; width:100%; height:auto;/* 设置焦点图最大宽度 */}
.slideBox .hd{ position:absolute; left:50%; bottom:4.3%; margin-left:-0.56rem; height:auto; z-index:100;}
.slideBox .hd li{display:inline; float:left; background:rgba(255,255,255,.8); -webkit-border-radius:0.14rem; border-radius:0.14rem; text-indent:-9999px; overflow:hidden; width:0.14rem; height:0.14rem; background-size:100%; margin-left:0.12rem;}
.slideBox .hd li.on{ background:#1e6fc9; background-size:100%; -webkit-border-radius:100%;}
.slideBox .bd{ position:relative; z-index:0;border:0 none; }
.slideBox .bd li{ position:relative; text-align:center; }
.slideBox .bd li img{vertical-align:top; width:100%; max-height:400px; /* 图片宽度100%，达到自适应效果 */}

/*搜索*/
#ss_bg{ background:#f5f5f5; clear:both; overflow:hidden; padding:0.2rem 0.2rem; width:7.1rem; height:auto;}
.search_btn{ width:1.04rem; height:0.6rem; line-height:0.6rem; overflow:hidden; border:#bdbdbd solid 1px; border-radius:0px 5px 5px 0px; padding-right:6px; background:#f5f5f5;}
.search_btn input{width:1.04rem; height:0.6rem; color:#07981d; font-weight:bold; border:0 none; overflow:hidden; cursor:pointer; outline:none; background:#f5f5f5; font-size:0.5rem;}
.search_txt{ width:5.64rem; height:0.63rem; line-height:0.6rem; border:#bdbdbd solid 1px; border-radius:5px 0 0 5px; border-right:none; background:#f5f5f5; padding-left:0.2rem;}
.search_txt input{ background:none; width:5.6rem; height:0.63rem; color:#888; border:none; outline:none; font-size:0.23rem;}
.search_txt input:focus{ color:#444;}

/*公司简介*/
.title{ text-align:center; clear:both; line-height:0.7rem;}
.title h3{position:relative; font-size:0.42rem; display:inline-block; font-weight:normal; color:#333; padding-bottom:0.2rem;}
.title h3::after, .title h3::before{content:""; width:2.8rem; height:1px; background-color:#d0d0d0; bottom:0; position:absolute;}
.title h3::before{left:60%;}
.title h3::after{right:60%;}
.title h3 span::after{content:""; height:0.15rem; width:0.15rem; background:#1e6fc9; display:block; bottom:-0.06rem; position:absolute; left:45.5%;}
.title_tisp{ font-size:0.24rem; color:#787878; clear:both; overflow:hidden; text-align:center;}

.in_about{ font-size:0.28rem; padding:0.3rem 0.2rem; width:7.1rem; color:#444; line-height:0.54rem; overflow:hidden;}
.in_more a{ font-size:0.25rem; background:#1e6fc9; color:#fff; text-align:center; width:2.3rem; height:0.62rem; line-height:0.62rem; display:inline-block; border-radius:0.06rem;}

/*产品中心*/
.bg01{ background:#f5f5f5; clear:both; overflow:hidden; width:100%; padding:0.3rem 0 0.4rem 0;}

.tabs {clear:both; overflow:hidden; text-align:center;}
.tabs a{width:1.76rem; height:0.58rem; line-height:0.58rem; border:#dedede solid 1px; border-right:none; display:inline-block; cursor:pointer; text-align:center; color:#333; font-size:0.23rem; overflow:hidden;}
.tabs a.active { background:#fa7822; color:#FFF; }
.tabs a:last-child{border-right:#dedede solid 1px;}

.in_case_pic{ width:6.2rem; height:4.61rem; overflow:hidden; margin:0.36rem 0.65rem 0.3rem 0.65rem;}
.in_case_pic img{ width:6.2rem; height:4.61rem; overflow:hidden;}
.in_case_item{ width:6.2rem; margin:0 0.65rem 0.1rem 0.65rem; overflow:hidden; clear:both; text-align:center;}
.in_case_item h3{ font-size:0.34rem; font-weight:normal; color:#333; height:0.56rem; line-height:0.56rem; overflow:hidden; margin:0.1rem 0 0.16rem 0;}
.in_case_item p{ font-size:0.24rem; color:#787878; line-height:0.44rem; height:0.88rem; overflow:hidden;}

/*我们的优势*/
.in_ys{ clear:both; overflow:hidden;}
.in_ys li{ width:7.1rem; padding:0 0.2rem; overflow:hidden; clear:both; display:inline-block;}
.in_ys li div.ys_pic{ width:7.1rem; height:3.1rem; overflow:hidden;}
.in_ys li div.ys_pic img{ width:7.1rem; height:3.1rem; overflow:hidden;}
.in_ys li div.ys_item{ width:7.1rem; overflow:hidden; padding:0.14rem 0 0.2rem 0;}
.in_ys li div.ys_item h3{ font-size:0.34rem; line-height:0.8rem; height:0.8rem; overflow:hidden; display:block; float:left; margin-bottom:0.03rem; color:#333;}
.in_ys li div.ys_item h3 em{ font-family:Impact; font-style:normal; font-size:0.46rem; color:#1e6fc9; margin-right:0.15rem; float:left; display:inline-block; margin-top:0.03rem;}
.in_ys li div.ys_item p{ font-size:0.26rem; color:#555; line-height:0.42rem; overflow:hidden; width:100%;}
.in_ys li:nth-child(2n) .ys_item{ text-align:right;}
.in_ys li:nth-child(2n) .ys_item h3{ float:right;}

/*案例*/
.bg02{ background:#f9f9f9; clear:both; overflow:hidden; width:100%; padding:0.3rem 0 0rem 0;}
.swiper-container-case{width:100%; padding-top: 0.4rem; padding-bottom:0.6rem; overflow:hidden;}
.swiper-container-case .swiper-slide {background-position: center; background-size: cover; width:4.8rem; height:4.25rem; -moz-box-shadow:0px 0px 13px rgba(0,0,0,.13); -webkit-box-shadow:0px 0px 13px rgba(0,0,0,.13); box-shadow:0px 0px 13px rgba(0,0,0,.13);}
.swiper-container-case .swiper-slide a{ display:block;width:4.8rem; height:3.57rem; overflow:hidden;}
.swiper-container-case .swiper-slide a img{ width:4.8rem; height:3.57rem; overflow:hidden;}
.swiper-container-case .swiper-slide p{ height:0.7rem; text-align:center; line-height:0.7rem; overflow:hidden; white-space:nowrap; font-size:0.24rem; color:#333;}


/*新闻资讯*/
.news_tab { clear:both; overflow:hidden; height:0.6rem; margin-top:0.4rem;}
.news_tab a {width:1.7rem; height:0.6rem; line-height:0.6rem; float:left; margin-left:0.14rem; display:inline-block; cursor:pointer; background:#e5e5e5; text-align:center; color:#444; font-size:0.27rem; overflow:hidden;}
.news_tab a.active { background:#1e6fc9; color:#FFF;}
.in_news_list{ padding:0.1rem 0.2rem 0.2rem 0.2rem; width:7.1rem; clear:both; overflow:hidden;}
.in_news_list li{ font-size:0.26rem; margin-top:0.4rem; height:1.8rem; overflow:hidden; display:block}

.in_news_time{ width:1.1rem; overflow:hidden; font-family:Arial; font-size:0.38rem; color:#333; display:inline-block; white-space:nowrap; }
.in_news_time p{ font-size:0.24rem; color:#787878; line-height:0.44rem; overflow:hidden; font-family:Arial;}
.in_news_con{ width:5.7rem; overflow:hidden;}
.in_news_con a{ font-size:0.32rem; line-height:0.42rem; height:0.42rem; display:inline-block; overflow:hidden; color:#333;}
.in_news_con p{ font-size:0.23rem; color:#888; line-height:0.44rem; height:1.32rem; display:inline-block; overflow:hidden; margin-top:0.04rem;}


/*foot*/
.foot_box{ border-top:#f2f2f2 solid 0.1rem; margin-bottom:1rem}
.foot_item{ clear:both; overflow:hidden; height:0.7rem; line-height:0.7rem; padding:0 0.2rem; width:7.1rem; margin:0.38rem 0 0.28rem 0;}
.foot_item h3{ float:left; font-weight:normal; font-size:0.26rem; width:2.5rem; color:#333;}
.foot_item div.ft_tel{ width:4.5rem; display:inline-block;}
.foot_item div.ft_tel a{ width:4.1rem; height:0.7rem; background:#1e6fc9; display:block; color:#FFF; font-size:0.26rem; border-radius:0.06rem; padding:0 0.2rem;}
.foot_item div.ft_tel a em.iconfont{ font-size:0.46rem; display:inline-block; float:left; margin-top:0.02rem; margin-right:0.03rem;}
.foot_item div.ft_tel a span.fr{ font-size:0.24rem;}
.foot_item div.ft_vx{ width:4.5rem;}
.foot_item div.ft_vx img{ height:0.58rem; width:0.58rem; overflow:hidden; display:inline-block; margin-top:0.06rem;}

/*微信弹窗*/
.md-modal {position: fixed;top: 50%; left: 50%; height: auto; z-index: 99999; visibility: hidden; -webkit-backface-visibility: hidden; -moz-backface-visibility: hidden; backface-visibility: hidden; -webkit-transform: translateX(-50%) translateY(-50%);	-moz-transform: translateX(-50%) translateY(-50%);	-ms-transform: translateX(-50%) translateY(-50%);	transform: translateX(-50%) translateY(-50%);}
.md-show {visibility: visible;}
.md-overlay {position: fixed;width: 100%;height: 100%;visibility: hidden; top: 0; left: 0;	z-index:99990;	opacity: 0;	background: rgba(0,0,0,0.7); -webkit-transition: all 0.3s; -moz-transition: all 0.3s; transition: all 0.3s;}
.md-show ~ .md-overlay {opacity: 1;	visibility: visible;}
.md-content{background:#fff; height:auto; padding:0.6rem 0.7rem; overflow-x:hidden; overflow-y:auto; border-radius:6px;}
.md-content img{ width:3rem; height:3rem; overflow:hidden; margin-bottom:0.24rem;}
.md-content p{ font-size:0.3rem;}
.md-content p em{ margin-top:-0.24rem; font-style:normal; font-size:0.24rem; color:#999;}
/* Effect 3: Slide from the bottom */
.md-effect-3 .md-content {-webkit-transform: translateY(20%);-moz-transform: translateY(20%);-ms-transform: translateY(20%);transform: translateY(20%);opacity: 0;-webkit-transition: all 0.3s;	-moz-transition: all 0.3s;transition: all 0.3s;}
.md-show.md-effect-3 .md-content {-webkit-transform: translateY(0);-moz-transform: translateY(0);-ms-transform: translateY(0);transform: translateY(0);	opacity: 1;}

/*底部*/
.foc{ position:fixed; z-index:102; bottom:0; width:7.5rem; clear:both; background:#fa7822;}
.foc span{width:33%; height:0.78rem; text-align:center; line-height:0.78rem; cursor:pointer; background:#1e6fc9; border-right:#fff solid 0.01rem; font-size:0.26rem; overflow:hidden;}
.foc span:last-child{ border-right:none; background:#fa7822;}
.foc span a{ color:#FFF; display:block;}
.foc span a em{ margin-right:0.16rem;display:inline-block;}
.foc span a em.icon1{ font-size:0.3rem;}
.foc span a em.icon2{ font-size:0.32rem;}
.foc span a em.icon3{ font-size:0.38rem;}


/*page*/
.xinxi{ padding:0.1rem 0.2rem 0.3rem 0.2rem; line-height:2; overflow:hidden; clear: both; font-size:0.26rem; background:#FFF;}
.xinxi img{width:100%; height:auto; overflow:hidden;}
.page_con{ background:#FFF; line-height:1.8; overflow:hidden; clear:both; font-size:90%; padding-top:0.1rem;}
.page_con img{width:100%; height:auto; max-width:750px; overflow:hidden;}
.con_title{ padding:0.1rem 0 0 0; line-height:1.4; font-weight:600; color:#000; font-size:0.38rem;}
.author{font-size:0.2rem; padding:0.06rem 0; border-bottom:#ddd solid 1px; color:#666; margin-bottom:0.13rem}
#page_banner{ height:2.34rem; width:100%; clear:both; overflow:hidden;}

/*位置*/
#page_menu_bg{ background:#f5f5f5; clear:both; overflow:hidden; padding:0.12rem 0.2rem 0.12rem 0.2rem; width:7.1rem;}
.weizhi{ font-size:0.24rem; color:#333; line-height:0.5rem; overflow:hidden; white-space:nowrap;}
.weizhi span{ margin:0 0.02rem; font-family:"\5B8B\4F53";}
.weizhi a{ color:#444; }
.weizhi em.iconfont{ margin-right:0.08rem; font-size:0.28rem; float:left; color:#666;}
.weizhi b{ color:#1e6fc9;}

.sx_box{ font-size:0.26rem; line-height:0.5rem; color:#fff; overflow:hidden; cursor:pointer; background:#fa7822; padding:0 0.12rem; border-radius:2px;}
.sx_box em.iconfont{ font-size:0.3rem; margin-left:0.08rem;}
.sxfl_box{width:50%; height:100%; position:fixed; right:0px; display:none; top:0; background:#fff; overflow-y:scroll; -webkit-overflow-scrolling:touch; z-index:10088; font-size:0.26rem;}
.mainboxbg02{position:fixed; height:100%; width:100%; top:0; display:none; z-index:10080; filter:alpha(opacity=60);-moz-opacity:0.6;opacity:0.6; background:#000;}
.sxfl_tit{ background:#0657b2; height:0.72rem; line-height:0.72rem; padding:0.2rem; font-size:0.44rem; color:#fff}
.sxfl_tit em.iconfont{ font-size:0.46rem;}
.sxfl_box ul.sxfl_list{ clear:both; overflow:hidden;}
.sxfl_box ul.sxfl_list li{ width:88%; height:0.78rem; line-height:0.78rem; float:left; display:block; font-size:0.26rem; margin:0.04rem 0 0 0; background:#eee; overflow:hidden; padding:0 6%;}
.sxfl_box ul.sxfl_list li a{ display:block; color:#474747;}
.sxfl_box ul.sxfl_list li.on{ background:#1e6fc9;}
.sxfl_box ul.sxfl_list li.on a{ color:#FFF;}
.sxfl_box ul.sxfl_list li a em{ float:right; display:inline-block; font-size:0.26rem;}

/*新闻资讯*/
.zs_list{ clear:both; overflow:hidden;}
.zs_list li{ width:7.1rem; height:1.5rem; padding:0.22rem 0.2rem; border-bottom:#eee solid 1px; overflow:hidden; clear:both;}
.zs_list_pic{ width:2.54rem; height:1.5rem; overflow:hidden;}
.zs_list_pic img{ width:2.54rem; height:1.5rem; overflow:hidden;}
.zs_list_box{ width:4.36rem; height:1.5rem; overflow:hidden;}
.zs_list_tit{ font-size:0.26rem; height:0.4rem; overflow:hidden; line-height:0.4rem;}
.zs_list_tit a{ color:#222;}
.zs_list_time{ font-size:0.2rem; color:#999; height:0.34rem; line-height:0.34rem; overflow:hidden;}
.zs_list_xx{ height:0.72rem; line-height:0.36rem; font-size:0.22rem; overflow:hidden; color:#888;}

/*翻页*/
#page{padding:0.3rem 0 0rem 0; overflow:hidden; text-align:center; font-size:0.22rem; clear:both; background:#FFF; margin-bottom:0.1rem;}
#page .scott{ display:inline-block; margin:0 auto;overflow:hidden;}
#page .scott span,#page .scott a:hover{ background:#1e6fc9; border:1px solid #1e6fc9; color:#fff; display:inline; float:left; margin:0.05rem 0.04rem; padding:0 0.16rem; height:0.46rem; line-height:0.46rem; text-decoration:none;}
#page .scott a{padding:0 0.16rem; height:0.46rem;line-height:0.46rem; background-color:#fff; border:1px solid #ddd; margin:0.05rem 0.04rem; display:inline; float:left; color:#222;}
.con_fy1{text-align:right; background:#FFF; font-size:0.26rem; overflow:hidden; clear:both; padding:0.2rem 0.2rem 0.1rem 0; border-top:#ddd dotted 1px;}
.con_fy1 a{ color:#222;}

/*产品中心*/
.pro_list{ clear:both; overflow:hidden;}
.pro_list li{ width:3.5rem; float:left; display:inline-block; overflow:hidden; margin:0.08rem 0 0.08rem 0.167rem; line-height:0;}
.pro_list li img{width:3.5rem; height:2.6rem; overflow:hidden;}
.pro_list li p{ text-align:center; white-space:nowrap; overflow:hidden; font-size:0.24rem; height:0.58rem; line-height:0.58rem; color:#333; display:block; background:#f5f5f5; margin-top:0.02rem;}

/*在线留言*/
.in_title{ text-align:center; clear:both; overflow:hidden;}
.in_title h2{ text-transform:uppercase; font-size:0.8rem; color:rgba(0,0,0,.06); font-family:Arial; overflow:hidden; white-space:nowrap;}
.in_title h3{ font-size:0.5rem; font-weight:normal; margin-top:-0.7rem; color:#222;}
.in_title h3::after{ width:0.8rem; height:0.06rem; background:#ec2949; display:block; content:""; margin-top:0.16rem; position:relative; left:50%; margin-left:-0.4rem;}

.message_bg{background:#fff; clear:both; overflow:hidden; background-size:100%; width:100%; height:auto; padding:0.2rem 0 0.3rem 0;}
.message_tips{ font-size:0.22rem; color:#666; text-align:leftr; line-height:0.4rem; overflow:hidden; width:88%; padding:0 6%; margin-top:0.2rem;}
.free{ text-align:center; color:#444; font-size:0.24rem; line-height:0.5rem; padding:0.2rem; width:7.1rem;}
.free li{text-align:left; line-height:0.7rem; font-size:0.26rem;}
.free input[type="text"]{width:100%; box-sizing: border-box; border:1px solid #ddd; background:rgba(255,255,255,.6); height:0.58rem; line-height:0.58rem; text-indent:0.1rem; color:#333; border-radius:2px;}
.free input[type="Submit"]{width:100%; box-sizing: border-box; border:0; background:#0657b2; color:#FFF; font-size:0.28rem; text-align:center; height:0.7rem; border-radius:4px; cursor:pointer;}
.free textarea{ width:100%; box-sizing:border-box; height:2.4rem; color:#595959; border:1px solid #ddd; background:rgba(255,255,255,.6); resize:none; padding:0.1rem; font-size:0.22rem; color:#333; line-height:0.34rem; border-radius:2px;}
.free select{width:100%; box-sizing: border-box; border:1px solid #ddd; background:rgba(255,255,255,.6); height:0.58rem; line-height:0.58rem; text-indent:0.1rem; color:#333; border-radius:2px;}

/*版权信息*/
#copyright{ width: 100%;  margin: 0px auto;padding:3px 0px; text-align:center; font-size:14px; color:#666; border:0px solid red; margin-bottom:50px}
#copyright a{color:#666; font-size:14px;}
#copyright .TechnicalSupport{ text-align:center; padding-bottom:5px;font-size:14px;}
#copyright .TechnicalSupport a { font-size:14px;}
#copyright .bottom_copyright{ padding:3px 0px; font-size:14px;line-height:20px; }
#copyright .bottom_navigation{ text-align:center; height:35px; line-height:35px; background:#71C6A0; font-size:14px; display:none}
#copyright .bottom_navigation a{ font-weight:normal; color:#000}
#copyright .Mobile{text-align:center; height:35px; line-height:35px; background:#e5e6e8; width:96%; margin:0 auto; border-radius:20px; border:1px solid #FFF;}
#copyright .Mobile a{ font-weight:normal; color:#444; font-weight:bold;}
#copyright .Language{padding:10px 0px 0px 0px;  color:#666; text-align:center;}


/*院校推荐*/
.yx_list{ clear:both; overflow:hidden;}
.yx_list li{ width:3.5rem; float:left; display:inline-block; overflow:hidden; -moz-box-shadow:0px 0px 8px rgba(0,0,0,.1); -webkit-box-shadow:0px 0px 8px rgba(0,0,0,.1); box-shadow:0px 0px 8px rgba(0,0,0,.1); margin:0.08rem 0 0.08rem 0.167rem; line-height:0;}
.yx_list li img{width:3.5rem; height:2.65rem; overflow:hidden;}
.yx_list li p{ text-align:center; white-space:nowrap; overflow:hidden; font-size:0.24rem; height:0.6rem; line-height:0.6rem; color:#222; display:block;}
.yx_more a{background:#FFF; width:2rem; height:0.54rem; overflow:hidden; line-height:0.54rem; text-align:center; -moz-box-shadow:0px 0px 8px rgba(0,0,0,.1); -webkit-box-shadow:0px 0px 8px rgba(0,0,0,.1); box-shadow:0px 0px 8px rgba(0,0,0,.1); display:inline-block; font-size:0.22rem; color:#888;}





/*****************响应式布局设置*****************/
@media screen and (max-width:320px){
body{ font-size:8px;}
}
@media screen and (min-width:320px) and (max-width:360px){
body{ font-size:11px;}
}
@media screen and (min-width:360px) and (max-width:480px){
body{ font-size:14px;}
}
@media screen and (min-width:480px) and (max-width:640px){
body{ font-size:15px;}
}
@media screen and (min-width:640px) and (max-width:750px){
body{ font-size:17px;}
}
@media all and (min-width:750px){
body{width:750px; margin:0 auto;}
body{ font-size:18px!important;}
}