.inner{
	overflow: visible;
}
.wrap{background: #f9f9f9;}

/* .wrap img{display: block;} */
.headNav{
	height: 46px;
}
.headNav p{
	font-size: 14px;
	color: #a1a3a8;
	line-height: 44px;
	padding-left: 15px;
}
.headNav p a{color: #373d41;}
.headNav p a:hover{color: #0067e1;}
.headNav p span{
	color: #373d41;
	padding: 0 6px;
}
.headban{height: 160px;padding: 38px 0 30px;}

.main_con{padding-bottom: 60px;}
.main_con .main_left{
	float: left;
	width: 920px;
}
.main_con .main_left .mainban{margin-bottom: 28px;}
.main_con .main_left .indexmain_con{
	width: 920px;
	border-radius: 2px;
	box-sizing: border-box;
	box-shadow: 0 5px 10px rgba(235,235,235,.7);
	background: #fff;
	margin-bottom: 28px;
	padding: 21px 0;
}
.main_con .main_left .indexmain_con_free{padding-bottom: 0;}
.main_con .main_left .indexmain_con h3{
	position: relative;
	height: 34px;
	font-size: 18px;
	color: #333;
	border-bottom: 1px #eee solid;
	padding-left: 52px;
}
.main_con .main_left .indexmain_con h3:before{
	position: absolute;
	left: 22px;
	top: 0;
	width: 23px;
	height: 23px;
	background: url("../images/pic.png") no-repeat -50px -24px;
	content: "";
}
.main_con .main_left .indexmain_con_new h3:before{background-position-x: 0;}
.main_con .main_left .indexmain_con_free h3:before{background-position-x: -75px;}
.main_con .main_left .indexmain_con_hot ul{margin-left: 20px;}
.main_con .main_left .indexmain_con_hot ul li{
	float: left;
	width: 210px;
	height: 333px;
	border-radius: 5px;
	box-shadow: 0 2px 10px rgba(211,211,211,.16);
	background: #fff;
	overflow: hidden;
	margin: 20px 13px 5px 0;
}
.main_con .main_left .indexmain_con_hot ul li i{
	display: block;
	width: 210px;
	height: 60px;
	font-size: 16px;
	color: #fff;
	text-align: center;
	line-height: 65px;
	font-style: inherit;
	box-sizing: border-box;
	background: url("../images/bgpic.png") no-repeat 0 0;
	margin-bottom: 6px;
}
.main_con .main_left .indexmain_con_hot ul li.web i{background-position-y: -62px;}
.main_con .main_left .indexmain_con_hot ul li.test i{background-position-y: -124px;}
.main_con .main_left .indexmain_con_hot ul li.python i{background-position-y: -186px;}
.main_con .main_left .indexmain_con_hot ul li.ai i{background-position-y: -248px;}
.main_con .main_left .indexmain_con_hot ul li.ui i{background-position-y: -310px;}
.main_con .main_left .indexmain_con_hot ul li.pm i{background-position-y: -372px;}
.main_con .main_left .indexmain_con_hot ul li.xmt i{background-position-y: -434px;}
.main_con .main_left .indexmain_con_hot ul li p{
	position: relative;
	height: 38px;
	font-size: 14px;
	line-height: 38px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	padding: 0 10px 0 24px;
}
.main_con .main_left .indexmain_con_hot ul li p:before{
	position: absolute;
	left: 10px;
	top: 16px;
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: #e4e4e4;
	content: "";
}
.main_con .main_left .indexmain_con_hot ul li p a{color: #212121;}
.main_con .main_left .indexmain_con_hot ul li p:hover a{color: #269dfd;}
.main_con .main_left .indexmain_con_hot ul li span{
	display: block;
	text-align: right;
	margin: 5px 12px 0 0;
}
.main_con .main_left .indexmain_con_hot ul li span a.more{
	font-size: 14px;
	color: #969696;
}
.main_con .main_left .indexmain_con_hot ul li span a.more:hover{color: #269dfd;}
.main_con .main_left .indexmain_con .freeTutorial_con{
	position: relative;
	width: 100%;
	height: 466px;
	box-sizing: border-box;
	z-index: 3;
}
.main_con .main_left .indexmain_con .freeTutorial_con .openclass{
	float: left;
	width: 238px;
	height: 466px;
	border-right: 1px #eee solid;
}
.main_con .main_left .indexmain_con .freeTutorial_con .openclass .main{width: 200px;margin: 0 auto;}
.main_con .main_left .indexmain_con .freeTutorial_con .openclass .main .opentop{
	height: 22px;
	font-size: 16px;
	color:#373d41;
	padding: 20px 0 28px;
}
.main_con .main_left .indexmain_con .freeTutorial_con .openclass .main .openpic{
	width: 200px;
	height: 131px;
	margin: 0 auto;
	overflow: hidden;
	border-radius: 2px;
}
.main_con .main_left .indexmain_con .freeTutorial_con .openclass .main .openpic img{width: 100%;}
.main_con .main_left .indexmain_con .freeTutorial_con .openclass .main .openconp2{
	height: 40px;
	font-size: 14px;
	color: #252b3a;
	line-height: 20px;
	overflow: hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	margin: 10px 0 16px;
}
.main_con .main_left .indexmain_con .freeTutorial_con .openclass .main .openconp3{
	font-size: 14px;
	color: #252b3a;
	line-height: 22px;
	height: 104px;
	overflow: hidden;
	white-space: nowrap;
	text-overflow: ellipsis;
	overflow: hidden;
	word-break: break-all;
}
.main_con .main_left .indexmain_con .freeTutorial_con .openclass .main .openconp3 span{
	display: block;
	width: 96px;
	height: 20px;
	color: #ff1b1b;
	background: #f5f5f5;
	border-radius: 24px;
	text-align: center;
	line-height: 24px;
	margin-bottom: 18px;
}
.main_con .main_left .indexmain_con .freeTutorial_con .openclass .main .openconp4{
	height: 27px;
	line-height: 27px;
	font-size: 14px;
	color: #252b3a;
	margin-top: 30px;
}
.main_con .main_left .indexmain_con .freeTutorial_con .openclass .main .openconp4 a{
	float: right;
	width: 80px;
	height: 27px;
	border-radius: 14px;
	color: #fff;
	text-align: center;
	line-height: 27px;
	background: #0066de;
}
.main_con .main_left .indexmain_con .freeTutorial_con .openclass .main .openconp4 a:hover{background: #1776e5;}
.main_con .main_left .indexmain_con .freeTutorial_con .resources{
	float: right;
	width: 681px;
}
.main_con .main_left .indexmain_con .freeTutorial_con .resources .resources_con{padding: 13px 18px;}
.main_con .main_left .indexmain_con .freeTutorial_con .resources .resources_con ol li{
	position: relative;
	float: left;
	font-size: 14px;
	color: #575d6c;
	height: 22px;
	line-height: 22px;
	cursor: pointer;
	margin-right: 30px;
}
.main_con .main_left .indexmain_con .freeTutorial_con .resources .resources_con ol li:hover{font-weight: bold;}
.main_con .main_left .indexmain_con .freeTutorial_con .resources .resources_con ol li.cur{
	color: #252b3a;
	font-weight: bold;
}
.main_con .main_left .indexmain_con .freeTutorial_con .resources .lay_con{
	height: 356px;
	overflow: hidden;
}
.main_con .main_left .indexmain_con .freeTutorial_con .resources .lay_con ul{display: none;margin-left: 12px;}
.main_con .main_left .indexmain_con .freeTutorial_con .resources .lay_con ul.cur{display: block;}
.main_con .main_left .indexmain_con .freeTutorial_con .resources .lay_con ul li{
	float: left;
	width: 200px;
	height: 178px;
	margin: 0 17px 13px 5px;
}
.main_con .main_left .indexmain_con .freeTutorial_con .resources .lay_con ul li .img_box{
	position: relative;
	width: 100%;
	height: 131px;
	border-radius: 2px;
	overflow: hidden;
}
.main_con .main_left .indexmain_con .freeTutorial_con .resources .lay_con .img_box img{width: 100%;}
.main_con .main_left .indexmain_con .freeTutorial_con .resources .lay_con .sy_mask{width: 200px;height: 131px;background: rgba(0,0,0,.8);position: absolute;top: 0;left: 0;overflow: hidden;display: none;}
.main_con .main_left .indexmain_con .freeTutorial_con .resources .lay_con .sy_mask .sy_show{display: block;width: 88px;margin: 55px auto}
.main_con .main_left .indexmain_con .freeTutorial_con .resources .lay_con ul li:hover .sy_mask{display: block;}
.main_con .main_left .indexmain_con .freeTutorial_con .resources .lay_con .btm p{
	font-size: 12px;
	color: #98a3b7;
	padding: 11px 6px 0;
}
.main_con .main_left .indexmain_con .freeTutorial_con .resources .lay_con .btm p span{float: right;}
.main_con .main_left .indexmain_con_new .hywd_list{
	float: left;
	width: 420px;
	margin-left: 26px;
}
.main_con .main_left .indexmain_con_new .jswd_list{
	float: right;
	width: 420px;
	margin-right: 26px;
}
.main_con .main_left .indexmain_con_new h4{margin: 28px 0 30px;}
.main_con .main_left .indexmain_con_new h4 span{
	display: inline-block;
	font-size: 18px;
	color: #269dfd;
	height: 6px;
	box-shadow: 0 19px 0 #eef7ff;
	padding: 0 2px;
	margin-bottom: 23px;
}
.main_con .main_left .indexmain_con_new ul li{
	border-bottom: 1px #f3f3f3 solid;
	padding-bottom: 22px;
	margin-bottom: 19px;
}
.main_con .main_left .indexmain_con_new ul li:last-child{border: none;margin-bottom: 0;}
.main_con .main_left .indexmain_con_new ul li h5{
	position: relative;
	height: 22px;
	font-size: 18px;
	color: #212121;
	line-height: 22px;
    margin-left: 4px;
    padding-left: 30px;
	white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.main_con .main_left .indexmain_con_new ul li h5:before{
	position: absolute;
	left: 0;
	top: 0;
	width: 22px;
	height: 22px;
	background: url(../images/pic.png) no-repeat 0 0;
	content: "";
}
.main_con .main_left .indexmain_con_new ul li h5 em{
	position: relative;
	float: right;
	font-size: 14px;
	color: #9b9ea0;
	font-style: inherit;
	margin-left: 20px;
}
.main_con .main_left .indexmain_con_new ul li h5 em:before{
	position: absolute;
	left: -16px;
	top: 4px;
	width: 14px;
	height: 14px;
	background: url(../images/pic.png) no-repeat -116px -24px;
	content: "";
}
.main_con .main_left .indexmain_con_new ul li:hover h5{color: #269dfd;}
.main_con .main_left .indexmain_con_new ul li p{
	width: 420px;
	height: 70px;
	font-size: 14px;
	color: #373d41;
	line-height: 25px;
	box-sizing: border-box;
	background: #fafafa;
	margin-top: 20px;
	padding: 10px 18px 0;
}
.main_con .main_left .indexmain_con_new ul li p span{
	display: block;
	height: 50px;
	overflow: hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
}
.main_con .main_left .indexmain_con_new .more{
	float: right;
	font-size: 14px;
	color: #969696;
	line-height: 22px;
}
.main_con .main_left .indexmain_con_new .more:hover{color: #269dfd;}

.main_con .main_left .leftmain_con{
	width: 920px;
	border-radius: 2px;
	box-sizing: border-box;
	box-shadow: 0 5px 10px rgba(235,235,235,.7);
	background: #fff;
	margin-bottom: 28px;
}
.main_con .main_left .leftmain_con .leftmain_hd{
	border-bottom: 1px #eee dashed;
	padding: 32px 0 24px;
}
.main_con .main_left .leftmain_con .leftmain_hd h3{
	position: relative;
	height: 22px;
	font-size: 20px;
	color: #181818;
	line-height: 22px;
	margin-left: 39px;
	padding-left: 33px;
}
.main_con .main_left .leftmain_con .leftmain_hd h3:before{
	position: absolute;
	left: 0;
	top: 0;
	width: 22px;
	height: 22px;
	background: url("../images/pic.png") no-repeat 0 0;
	content: "";
}
.main_con .main_left .leftmain_con .leftmain_hd p{
	font-size: 12px;
	color: #4c4c4c;
	line-height: 14px;
	padding: 16px 0 0 71px;
}
.main_con .main_left .leftmain_con .leftmain_hd p b{
	font-weight: normal;
	color: #269dfd;
	margin: 0 17px 0 6px;
}
.main_con .main_left .leftmain_con .leftmain_hd p span{
	position: relative;
	color: #9b9ea0;
	padding-left: 16px;
}
.main_con .main_left .leftmain_con .leftmain_hd p span:before{
	position: absolute;
	left: 0;
	top: 2px;
	width: 10px;
	height: 10px;
	background: url("../images/pic.png") no-repeat -48px 0;
	content: "";
}
.main_con .main_left .leftmain_con .leftmain_cen{
	padding: 31px 69px 66px 39px;
}
.main_con .main_left .leftmain_con .leftmain_cen .leftmain_p{
	position: relative;
	min-height: 140px;
	font-size: 14px;
	color: #2b2b2b;
	line-height: 28px;
	padding-left: 33px;
	margin-bottom: 58px;
}
.main_con .main_left .leftmain_con .leftmain_cen .leftmain_p:before{
	position: absolute;
	left: 0;
	top: 3px;
	width: 22px;
	height: 22px;
	background: url("../images/pic.png") no-repeat -24px 0;
	content: "";
}
.main_con .main_left .leftmain_con .leftmain_cen .labe{
	position: relative;
	padding-left: 26px;
	margin: 58px 0 45px 33px;
}
.main_con .main_left .leftmain_con .leftmain_cen .labe:before{
	position: absolute;
	left: 0;
	top: 7px;
	width: 17px;
	height: 13px;
	background: url("../images/pic.png") no-repeat -110px 0;
	content: "";
}
.main_con .main_left .leftmain_con .leftmain_cen .labe a{
	float: left;
	height: 27px;
	font-size: 14px;
	color: #9b9ea0;
	line-height: 27px;
	border-radius: 15px;
	background: #f9f9f9;
	padding: 0 10px;
	margin: 0 14px 10px 0;
}
.main_con .main_left .leftmain_con .leftmain_cen .labe a:hover{color: #269dfd;}
.main_con .main_left .leftmain_con .leftmain_cen .botpage a{
	float: left;
	width: 48%;
	font-size: 14px;
	color: #8a8a8a;
	text-align: center;
	white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
	margin-left: 1%;
}
.main_con .main_left .leftmain_con .leftmain_cen .botpage a:hover{
	color: #2b2b2b;
	text-decoration: underline;
}
.main_con .main_left .leftmain_bot{
	width: 920px;
	border-radius: 2px;
	box-sizing: border-box;
	box-shadow: 0 5px 10px rgba(235,235,235,.7);
	background: #fff;
	padding: 18px 24px 26px;
}
.main_con .main_left .leftmain_bot .list{
	float: left;
	width: 398px;
}
.main_con .main_left .leftmain_bot .relevant_list{float: right;}
.main_con .main_left .leftmain_bot .list h3{
	position: relative;
	height: 34px;
	font-size: 18px;
	color: #333;
	border-bottom: 1px #eee solid;
	padding-left: 30px;
	margin-bottom: 10px;
}
.main_con .main_left .leftmain_bot .list h3:before{
	position: absolute;
	left: 0;
	top: 0;
	width: 23px;
	height: 23px;
	background: url("../images/pic.png") no-repeat 0 -24px;
	content: "";
}
.main_con .main_left .leftmain_bot .list ul li{
	font-size: 14px;
	line-height: 36px;
}
.main_con .main_left .leftmain_bot .list ul li a{
	display: block;
	height: 36px;
	color: #373d41;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}
.main_con .main_left .leftmain_bot .list ul li a:hover{color: #269dfd;}
.main_con .main_left .leftmain_bot .list ul li span{
	float: right;
	font-size: 12px;
	color: #c1c1c1;
	margin-left: 20px;
}

/* 列表 */
.main_con .main_left .leftmain_list{
	width: 920px;
	border-radius: 2px;
	box-sizing: border-box;
	box-shadow: 0 5px 10px rgba(235,235,235,.7);
	background: #fff;
	padding: 20px 0 62px;
}
.main_con .main_left .leftmain_list .list_tab{
	height: 33px;
	border-bottom: 1px #eee solid;
}
.main_con .main_left .leftmain_list .list_tab a{
	float: left;
	height: 30px;
	font-size: 16px;
	color: #333;
	margin-right: 15px;
	padding: 0 20px;
}
.main_con .main_left .leftmain_list .list_tab a:hover{color: #269dfd;}
.main_con .main_left .leftmain_list .list_tab a.cur{
	color: #269dfd;
	border-bottom: 3px #269dfd solid;
}
.main_con .main_left .leftmain_list .list_con li{
	border-bottom: 1px #eee solid;
	padding: 28px 40px 30px 36px;
}
.main_con .main_left .leftmain_list .list_con li:last-child{border: none;}
.main_con .main_left .leftmain_list .list_con li h3{
	font-size: 18px;
	color: #181818;
}
.main_con .main_left .leftmain_list .list_con li .textcon{
	height: 50px;
	font-size: 14px;
	color: #868686;
	line-height: 25px;
	overflow: hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	padding: 16px 0 12px;
}
.main_con .main_left .leftmain_list .list_con li .textcon em{color: #269dfd;font-style: inherit;}
.main_con .main_left .leftmain_list .list_con li .textbot{
	display: block;
	height: 16px;
	font-size: 12px;
	color: #9b9ea0;
	line-height: 18px;
}
.main_con .main_left .leftmain_list .list_con li .textbot span{
	position: relative;
	float: left;
	font-weight: normal;
	color: #4c4c4c;
	padding: 0 6px 0 20px;
}
.main_con .main_left .leftmain_list .list_con li .textbot span:before{
	position: absolute;
	left: 0;
	top: 0;
	width: 14px;
	height: 16px;
	background: url("../images/pic.png") no-repeat -100px -24px;
	content: "";
}
.main_con .main_left .leftmain_list .list_con li:hover h3{color: #269dfd;}
.main_con .main_left .leftmain_list .pagebox{
	height: 30px;
	width: 550px;
	text-align:center;
	overflow: hidden;
	margin: 0 auto;
}
.main_con .main_left .leftmain_list .pagebox>div{display: inline-block;}
.main_con .main_left .leftmain_list .pagebox a{
	float: left;
	width: auto;
	min-width: 28px;
	height:28px;
	border: 1px solid #d7d8d9;
	font-size: 14px;
	color: #181818;
	line-height: 28px;
}
.main_con .main_left .leftmain_list .pagebox a:hover{
	color: #fff;
	border-color: #269dfd;
	background-color: #269dfd;
}
.main_con .main_left .leftmain_list .pagebox .num{
	width:30px;
	color:#2e3340;
}
.main_con .main_left .leftmain_list .pagebox .current{
	color: #fff;
	border-color: #269dfd;
	background-color: #269dfd;
}
.main_con .main_left .leftmain_list .pagebox span{
	float: left;
	height:28px;
	width: 28px;
	line-height: 28px;
	border: 1px solid #d7d8d9;
}
.main_con .main_left .leftmain_list .pagebox em{
	float: left;
	font-size: 12px;
	color: #767676;
	font-style: inherit;
	line-height: 30px;
	margin-left: 14px;
}
.main_con .main_left .leftmain_list .pagebox .go{
	color: #269dfd;
	border-color: #269dfd;
	background: #e5f3ff;
}
.main_con .main_left .leftmain_list .pagebox li{float: left;}
.main_con .main_left .leftmain_list .pagebox a.pager-nav {
	padding: 0 5px;
}
.main_con .main_left .leftmain_list .pagebox li.active a {
	color: #fff;
	border-color: #269dfd;
	background-color: #269dfd;
}

.main_con .main_right{
	float: right;
	width: 255px;
}
.main_con .main_right .videobox{
	width: 255px;
	height: 0;
	cursor: pointer;
	overflow: hidden;
}
.main_con .main_right .videobox img{border-radius: 2px;}
.main_con .main_right .rightmain_con{
	width: 255px;
	border-radius: 2px;
	box-sizing: border-box;
	box-shadow: 0 5px 10px rgba(235,235,235,.7);
	background: #fff;
	margin-bottom: 28px;
	padding: 26px 12px 16px;
}
.main_con .main_right .rightmain_con h3{
	font-size: 18px;
	color: #333;
	line-height: 20px;
	overflow: hidden;
}
.main_con .main_right .rightmain_con h3 span{float: left;}
.main_con .main_right .rightmain_con h3 i{
	float: left;
	width: 23px;
	height: 18px;
	background: url("../images/pic.png") no-repeat -60px 0;
	margin: 1px 0 0 6px;
}
.main_con .main_right .rightmain_con.new_con h3 i{background-position-x: -85px;}
.main_con .main_right .rightmain_con ul li{
	height: 38px;
	font-size: 14px;
	line-height: 38px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}
.main_con .main_right .rightmain_con.new_con ul li span{
	float: left;
	width: 14px;
	height: 14px;
	color: #96d0ff;
	text-align: center;
	line-height: 14px;
	border-radius: 50%;
	background: #e5f3ff;
	margin: 12px 5px 0 0;
}
.main_con .main_right .rightmain_con ul li a{color: #2b2b2b;}
.main_con .main_right .rightmain_con ul li:hover a{color: #269dfd;}
.main_con .main_right .rightmain_con.hot_con ul li:nth-child(-n+3) a span{color: #ff334b;}
.main_con .main_right .rightmain_con.new_con ul li:nth-child(1) a span{color: #fcfcfc;background: #269dfd;}
.main_con .main_right .rightmain_con.new_con ul li:nth-child(2) a span{color: #fcfcfc;background: #95cffe;}
.main_con .main_right .rightmain_con p{margin-top: 21px;}
.main_con .main_right .rightmain_con p a{
	float: left;
	height: 25px;
	font-size: 12px;
	color: #666;
	line-height: 25px;
	border: 1px #f2f2f2 solid;
	border-radius: 13px;
	padding: 0 10px;
	margin: 0 7px 11px 0;
}
.main_con .main_right .rightmain_con p a.red{color: #fe0101;}
.main_con .main_right .rightmain_con p a.blue{color: #269dfd;}
.main_con .main_right .rightmain_con p a:hover{color: #fff;border-color: #269dfd;background: #269dfd;}
.main_con .main_right .rightmain_con a.more{
	float: right;
	font-size: 13px;
	color: #0067e1;
	margin-top: 10px;
}
.main_con .main_right .course_con ul{margin-top: 10px;}
.main_con .main_right .course_con ul li span{
	float: left;
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: #269dfd;
	margin: 16px 7px 0 0;
}



.mask_video{width: 100%;height: 100%;position: fixed;left: 0;top: 0;z-index: 100;display: none;}
.mask_video .mask_bg{position: absolute;width: 100%;height: 100%;left: 0;top: 0;background: rgba(0,0,0,.7);}
.mask_video .video_con{position: absolute;width: 955px;left: 50%;top: 50%;transform: translate(-50%, -50%);}
.mask_video .video_con .close{position: absolute;right: -36px;top: -36px;width: 32px;cursor: pointer;}