body{
    background: #fff;
}
.header{
	position: inherit;
}
.bg_fff{
	width: 100%;
	background: #fff;
}
/*introduction*/
.introduction{
	width: 100%;
	height: 540px;
	margin: 0 auto;
	background: #f7f7f7;
}
.introduction h4{
	font-size: 30px;
	color: #333;
	text-align: center;
	padding-top: 60px;	
    line-height: 1;
    margin: 0;
}
.introduction dl{
	width: 1132px;
	margin: 0 auto;
	background: #fff;
	margin-top: 45px;
}
.introduction dl dt{
	float: left;
	position: relative;
	width: 470px;
	height: 231px;
}
.introduction dl dt span{
	position: absolute;
	top:120px;
	left: 200px;
	cursor: pointer;
}
.introduction dl dd{
	float: left;
	width: 640px;
	margin-left: 20px;
	margin-top: -20px;
}
.introduction dl dd p{
	line-height: 26px;
	font-size: 16px;
	color: #666;
	text-indent: 2em;
}
/*course*/
.course{
	width: 1132px;
	margin: 0 auto;
	padding-bottom: 45px;
}
.course h2{
	font-size: 30px;
	color: #333;
	text-align: center;
	padding: 60px 0 32px 0;	
    line-height: 1;
    margin: 0;
}
.course p{
	line-height: 28px;
	font-size: 16px;
	color: #333;
	text-indent: 2em;
}
.course h6{
	line-height: 28px;
	font-size: 16px;
	color: #333;
	text-indent: 2em;
	margin-top: 30px;
	font-weight: bold;
}
/*edu_model*/
.edu_model{
	width: 100%;
    min-width: 1132px;
    height: 670px;
    background: #f7f7f7;
    text-align: center;
}
.edu_model img{
	margin-top: 70px;
}
/*school*/
.school{
	width: 1132px;
	margin: 0 auto;
	padding-bottom: 55px;
}
.school h2{
	font-size: 30px;
    color: #333;
    text-align: center;
    padding: 60px 0 25px 0;
    line-height: 1;
    margin: 0;
}
.school p{
	text-indent: 2em;
	font-size: 16px;
	line-height: 28px;
	color: #333;
}
.school h6{
	text-indent: 2em;
	font-weight: bold;
	font-size: 16px;
	line-height: 28px;
	color: #333;
	margin-top: 28px;
}
/*bottom*/
.bottom{
	height: 392px;
	width: 100%;
	background: url(../img/bg.png) no-repeat center center;	
}
.bottom h4 {
    font-size: 30px;
    font-weight: bold;
    color: #fff;
    text-align: center;
    padding-top: 70px;
    line-height: 1;
}
.bot_box{
	width: 1080px;
	margin: 0 auto;
	padding-left: 52px;
}
.bot_box dl{
	float: left;
	width: 340px;
	height: 185px;
	text-align: center;
	margin-top: 48px;
	border-right:1px solid #fff;
}
.bot_box dl dd h5{
	margin-top: 22px;
	font-size: 18px;
	color: #fff;
	line-height: 1;
}
.bot_box dl dd h6{
	height: 45px;
	width: 173px;
	margin:  18px auto;
	text-align: center;
	line-height: 45px;
	border: 1px solid #fff;
	color: #fff;
	font-size: 18px;
	border-radius: 40px;
	cursor: pointer;
}
.bot_box dl dd h6 a{
	display: block;
	color: #fff;
}
.bot_box dl dd h6:hover{
	border: 1px solid #fff;
	background: #fff;
	color: #e94d11;
	-webkit-transition: all .5s ease-in-out;
    -moz-transition: all .5s ease-in-out;
    transition: all .5s ease-in-out
}
.bot_box dl dd h6:hover a{
	color: #e94d11;
}
.bot_box dl dd p{
	margin-top: 38px;
	font-size: 16px;
	color: #fff;
}

/*视频弹窗*/
.video_dig {
	display: none;
    width: 1055px;
    height: 540px;
    position: fixed;
    left:50%;
    top:50%;
    margin:-270px  -527px;
    z-index: 99;
}
.mathcha {
    background: url("../img/close.png") no-repeat #5b5b5b;
    height: 40px;
    position: absolute;
    right: 15px; 
    top: 0;
    width: 40px;
    z-index: 99999;
    cursor: pointer;
}
/*slide*/
.slide{
	width: 160px;
	position: fixed;
	top: 50%;
	left:50%;
	margin-left:620px;
	border-left: 1px solid #ccc;
	padding-bottom: 25px; 
	padding-top: 10px;
}
.slide em{
	position: absolute;
    width: 15px;
    background: url(../img/icon.gif) 3px -199px no-repeat;
    height: 10px;
    left: -8px;
}
.top_em{
	top:0;
}
.bot_em{
	bottom: 0;
}
.slide li{
	margin-left: 13px;
	text-indent: 10px;
	color: #555;
	line-height: 20px;
	font-size: 16px;
	margin-top: 15px;
	position: relative;
}
.slide li:hover{	
    text-underline: none;
}
.slide li a:link,.slide li a:active{
	text-decoration: none!important;
}
.slide li span{
	position: absolute;
    display: block;
    width: 10px;
    height: 10px;
    top: 6px;
    left: -19px;
    background: url(../img/icon.gif) 3px -222px no-repeat;     
}
.slide li:hover span{
	background-position: 3px -245px
}
.slide li.h span{
	width: 18px;
    height: 13px;
    left:-22px;
    top: 5px;
    background: url(../img/icon.gif) -271px -38px no-repeat;
}