@charset "utf-8";
/* CSS Document */
body{background: #fff;}
body,h1,h2,h3,h4,h5,h6,p{padding:0px; margin:0 auto; font-size:14px; font-family:'微软雅黑'; color: #333; box-sizing:border-box;}
img{ border:none}
a{text-decoration:none;}
ul{margin:0; padding:0; list-style:none;}
.main{width: 1240px; margin: 0 auto;}
.clear{clear: both;}
.fl{float: left;}
.fr{float: right;}
/*文本浮动*/
.text-right{text-align: right;}
.text-left{text-align: left;}
.text-center{text-align: center;}
/*内间距*/
.pt-10{padding-top: 10px;}.pt-20{padding-top: 20px;}.pt-50{padding-top: 50px;}
.pt-60{padding-top: 60px;}.pt-70{padding-top: 70px;}.pt-80{padding-top: 80px;}
.pt-90{padding-top: 90px;}.pt-110{padding-top: 110px;}
.pb-30{padding-bottom: 30px;}
/*外间距*/
.ml-40{margin-left: 40px;}.ml-50{margin-left: 50px;}.ml-60{margin-left: 60px;}.ml-390{margin-left: 390px;}
.ml-400{margin-left: 400px;}
.mt-50{margin-top: 50px;}.mt-60{margin-top: 60px;}
.mt-100{margin-top: 100px;}.mt-110{margin-top: 110px;}.mt-130{margin-top: 130px;}.mt-150{margin-top: 150px;}
.mt-270{margin-top: 270px;}
.mr-50{margin-right: 50px;}
.mb-10{margin-bottom: 10px;}.mb-30{margin-bottom: 30px;}.mb-80{margin-bottom: 80px;}
/*宽度*/
.w-740{width: 740px;}.w-840{width: 840px;}
/*banner*/
.se_banner {
	width: 100%;
    background:url(../images/banner.jpg) no-repeat center top;
	height: 758px;
    text-align: center;
}
.se_banner1 {
	width: 100%;
    background:url(../images/bg_1.jpg) no-repeat center top;
	height: 758px;
    text-align: center;
}
/*留英动态*/
.demo_1{width: 100%;height: 514px;overflow: hidden; background: url(../images/bg_1.jpg) no-repeat center top #eeeeee;}
.demo_text{font-size: 26px;color: #6c6c6c; line-height: 40px;}
.text_b{display: block;font-size: 50px;color: #4b4b4b; margin-top: 15px;}
.demo_btn{overflow: hidden;}
.demo_btn a{display: block;float: left; width: 100px;margin: 0 20px; text-align: left;font-size: 23px;color: #5a5a5a;}
.demo_btn a img{margin-bottom: 10px;}
.demo_btn a:hover{color: #000;}

/**/
.demo_2{height: 523px; background: url(../images/sanjiao_bg.png) no-repeat left bottom; overflow: hidden;}

/**/
.demo_3{width: 100%;height: 516px;overflow: hidden; background: url(../images/sanjiao_bg1.png) no-repeat center top #eeeeee;}
.demo_4{height: 421px;overflow: hidden; background: url(../images/footer_img.png) no-repeat center top;}