img{
				vertical-align: top !important;
			}
			.course1{
				width: 100%;
				background-color: rgba(0, 191, 242, 0.2);
			}
			.course1_auto{
				width: 1170px;
				margin: 0 auto;
				padding:40px 0px;
			
			}
			.course1_auto h1{
				font-size: 40px;
    			font-weight: 700;
   				font-family: 微软雅黑;
    			color: rgb(54, 54, 54);
			}
			.course1_auto .p1{
				font-size: 20px; 
				font-weight: 700;
				font-family: 微软雅黑; 
				color: rgb(54, 54, 54); 
				margin-top: 30px;
			}
			.course1_auto .p2{
				font-size: 34px;
				font-weight: 700; 
				font-family: 微软雅黑;
				color: rgb(54, 54, 54); 
				margin-top: 80px;
			}
			.course1_auto_text{
				width: 500px;
				font-size: 24px;
				font-weight: 400; 
				font-family: 微软雅黑;
				color: rgb(54, 54, 54); 
				display: inline-block;
				/*border:1px solid red;*/
			}
			.course1_auto_text p{
				margin-top: 40px;
			}
			.course1_auto_img{
				width: 435px;
				height: 357px;
				display: inline-block;
				vertical-align: top;
				margin-top: 70px;
				margin-left: 100px;
			}
			.course1_auto_img img{
				width: 100%;
				height: 100%;
			}
			.course2_auto{
				width: 1170px;
				margin: 0 auto;
				padding:50px 0px;
			}
			.course2_auto_div1,.course2_auto_div2{
				width: 500px;
				display:inline-block;
				vertical-align: top;
				
			}
			.course2_auto_div1 h1,.course2_auto_div2 h1{
				font-size: 32px; 
				font-weight: 700; 
				font-family: 微软雅黑; 
				color: rgb(54, 54, 54); 
				margin-bottom: 30px;
			}
			.course2_auto_div1 a,.course2_auto_div2 a{
				font-size: 20px; 
				font-weight: 400; 
				font-family: 微软雅黑; 
				color: rgb(0, 107, 159);
				text-decoration: none;
				display: block;
				
			}
			.course2_auto_div1 a{
				margin:5px 0px;
			}
			.course2_auto_div1 a:hover,.course2_auto_div2 a:hover{
				cursor: pointer;
				text-decoration: none;
				font-size: 24px;
			}
			.course2_auto_div1 a{
				height: 40px;
			}
			.course2_auto_div2 a{
				width: 120px;
				height: 40px;
				vertical-align: top;
				display: inline-block;
			}
			.glyphicon{
				margin-right: 10px;
			}
			.course2_auto_div2 a{
				margin-right: 100px;
			}
			.course3{
				width: 100%;
				background-color: rgba(0, 191, 242, 0.2);
				padding:100px 0px;
			}
			.course3_auto{
				width: 1170px;
				margin: 0 auto;
				background-color: white;
				padding:50px 0px;	
				border-radius: 20px;
			}
			.course3_biao{
				display: inline-block;
				padding: 10px 100px;
				background-color: rgb(0, 107, 159);
				font-size: 26px; 
				font-weight: 700;  
				font-family: 微软雅黑; 
				color: rgb(255, 255, 255);
				margin-left: -10px; 
				box-shadow: 10px 10px rgb(188, 188, 188);
			}
			.course3_auto p{
				font-size: 24px;
    			font-weight: 700;
    			font-family: 微软雅黑;
    			color: rgb(54, 54, 54);
    			margin-top: 30px;
    			margin-left: 50px;
			}
			.course3_auto span{
				display: inline-block;
				width: 900px;
				margin: 0px auto;
				/*margin-left: 50px;*/
				font-size: 20px;
				font-weight: 400; 
				font-family: 微软雅黑; 
				color: rgb(54, 54, 54);
				
			}
			.course3_img1{
				width: 500px;
				height: 365px;
				margin: 50px auto;
			}
			.course3_img1 span{
				font-size: 18px;
				font-weight: 400; 
				font-family: 微软雅黑; 
				color: rgb(54, 54, 54);
				margin-top: 10px;
			}
			.class_text h1{
				font-size: 28px; 
				font-weight: 700; 
				font-family: 微软雅黑; 
				color: rgb(54, 54, 54);
				margin-left: 50px; 
			}
			.class_text_zong{
				margin-bottom: 50px;
				
			}
			.class_text_left{
				width: 300px;
				display: inline-block;
				vertical-align: top;
				margin-left: 50px;
				/*border:1px solid red;*/
			}
			.class_text_left img{
				width: 82px;
				height: 82px;
			}
			.class_text_left span{
				font-size: 20px; 
				font-weight: 700; 
				font-family: 微软雅黑; 
				color: rgb(54, 54, 54);
				
			}
			.class_text_right{
				width: 650px;
				display: inline-block;
				vertical-align: top;
			}
			.class_text_right span{
				width: 625px;
				font-size: 20px;
				font-weight: 400;
				font-family: 微软雅黑; 
				color: rgb(54, 54, 54);
				margin-bottom: 10px;
			}
			



    ul.nav-tabs{
        margin-top: 20px;
        border-radius: 4px;
      /*  border: 1px solid #ddd;*/
       /* box-shadow: 0 1px 4px rgba(0, 0, 0, 0.067);*/
    }
    ul.nav-tabs li{
        margin: 0;
        /*border-top: 1px solid #ddd;*/
    }
    ul.nav-tabs li:first-child{
        border-top: none;
    }
    ul.nav-tabs li a{
        margin: 0;
        padding: 8px 16px;
        border-radius: 0;
    }
    ul.nav-tabs li.active a, ul.nav-tabs li.active a:hover{
        color: #fff;
        background: #0088cc;
      /*  border: 1px solid #0088cc;*/
    }
    ul.nav-tabs li:first-child a{
        border-radius: 4px 4px 0 0;
    }
    ul.nav-tabs li:last-child a{
        border-radius: 0 0 4px 4px;
    }
    ul.nav-tabs.affix{
        top: 30px; /* Set the top position of pinned element */
    }





.nav > li > a{
	padding:10px;
	font-size: 15px !important;
}
.nav-tabs > li.active > a, .nav-tabs > li.active > a:focus, .nav-tabs > li.active > a:hover{
	border: none;
}
.nav-tabs{
	border-bottom:transparent !important;
}
.nav > li > a:focus, .nav > li > a:hover,.nav > li:hover,.nav > li:focus,.col-xs-2 div li a:hover,.col-xs-2 div li a:focus,.col-xs-2 div li:hover,.col-xs-2 div li:focus{
	background-color:white;
	/*color: #5896D5;*/
	text-decoration: none;
	/*list-style:url(../img/course/fu_img.png);*/
}
.nav-tabs > li > a:hover{
	border: 1px solid white;
}
.nav li a{
	color: #000;
}

.col-xs-2 .nav li{
	list-style:disc;
	display: list-item;
}
.nav{
	width: 190px;
	border-left:1px solid #e1e1e1;
}
.col-xs-2 .nav li{
	margin-left: 11px;
}
.col-xs-2 ul{
	color: #e1e1e1;
}

.nav > li > a:focus, .nav > li > a:hover{
	background-color: transparent !important;
}
.nav-tabs > li > a:hover{
	border:1px solid transparent !important;
}
ul.nav-tabs li.active a, ul.nav-tabs li.active a:hover,ul.nav-tabs li.active{
	background:transparent !important;
	border:1px solid transparent !important;
/*	color:#5896D5 !important;
	list-style:url(../img/course/fu_img.png);*/
}

#lilist div{
	margin-left: 20px;
}


.nav_in{
	display: none;
	margin-left: 20px;
}
.col-xs-2{
	margin-top: 20px;
}
.col-xs-2 div li{
	width: 150px;
	height: 25px;
	list-style:none !important;
	
}
.col-xs-2 div li a{
	font-size: 13px !important;
	text-decoration: none !important;
}

.col-xs-2 div li a{
	font-size: 13px !important;
	text-decoration: none !important;
}

.back_to_top{
	width: 40px;
	height: 40px;
	line-height: 45px;
	border-radius: 5px;
	margin-left:10px;
	margin-top: 10px;
	border:1px solid #d5d5d5;
}
.back_to_top:hover{
	cursor: pointer;
}
.back_to_top span{
	width: 40px;
	color: #aaa;
	font-size: 26px;
	text-align: center;
}