@charset "utf-8";

/*-- 全局reset
-------------------------------------------*/

html, body, div,
h1, h2, h3, h4, h5, h6,
hr, p, blockquote,
dl, dt, dd, ul, ol, li,
pre, form, fieldset, object, code,
legend, button, input, textarea, label,
th, td, a, img {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
}

body {
    font: 12px/1.5 'Helvetica Neue', 'Helvetica', 'Arial', '\5FAE\8F6F\96C5\9ED1', 'Microsoft YaHei', 'Tahoma', 'Hiragino sans gb', 'SimSun', 'Sans-serif';
    color: #333;
    background-color: #f9f9f9;
}

/*清除内外边距*/
h1, h2, h3, h4, h5, h6 {
    font-weight: normal;
    font-size: 100%;
}

/*设置默认字体*/
:focus {
    outline: 0;
}

ul,
ol {
    list-style: none;
}

/*重置列表*/
fieldset, img {
    border: 0 none;
    vertical-align: top;
}

/*重置图片元素*/
address, caption, cite, code, dfn, em, i, th, var, optgroup {
    font-style: normal;
    font-weight: normal;
}

abbr, acronym {
    border: 0;
    font-variant: normal;
}

input, button, textarea, select, optgroup, option {
    font-family: inherit;
    font-size: inherit;
    font-style: inherit;
    font-weight: inherit;
}

code, kbd, samp, tt {
    font-size: 100%;
}

/*@purpose To enable resizing for IE */
/*@branch For IE6-Win, IE7-Win */
input, button, textarea, select {
    *font-size: 100%;
    outline: none;
}

/*
form label {
    cursor: pointer;
}
*/

textarea {
    resize: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

/*重置表格*/
blockquote, q {
    quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
    content: '';
    content: none;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

a {
    color: #333;
    text-decoration: none;
    -webkit-transition: color .2s ease-in-out;
    -moz-transition: color .2s ease-in-out;
    transition: color .2s ease-in-out;
    -webkit-transition: background-color .2s ease-in-out;
    -moz-transition: background-color .2s ease-in-out;
    transition: background-color .2s ease-in-out;

}

a:hover {
    text-decoration: none;
}

a.special,
.special a {
    color: #1eb37b;
}

a.special:hover,
.special a:hover {
    color: #1eb37b;
    text-decoration: none;
}

/*--清除浮动
-------------------------------------------*/
.cf:before,
.cf:after,
.clearfix:before,
.clearfix:after {
    content: "";
    display: table;
}

.cf:after,
.clearfix:after {
    clear: both;
}

.cf,
.clearfix {
    clear: both;
    *zoom: 1;
}

/*-- 字号、颜色、外边距、内补丁、居中、行高、显示、隐藏
--------------------------------------------------------------------------*/
.c-333 {
    color: #333;
}

.c-666 {
    color: #666;
}

.c-999 {
    color: #999;
}

.c-green {
    color: #1fb079;
}

.c-orange {
    color: #fc714c;
}

.c-reg {
    color: #d90106;
}

/* 字号 */
.f9 {
    font-size: 9px;
    -webkit-text-size-adjust: none;
}

.f12,
.fb12 {
    font-size: 12px;
}

.simsun {
    font-family: SimSun;
}

.f14,
.fb14 {
    font-size: 14px;
}

.f16,
.fb16 {
    font-size: 16px;
}

.f18,
.fb18 {
    font-size: 18px;
}

.f20,
.fb20 {
    font-size: 20px;
}

.fb,
.fb12,
.fb14,
.fb16,
.fb18,
.fb20 {
    font-weight: 700;
}

/* 隐藏 居中 */

.tc {
    text-align: center;
}

.tr {
    text-align: right;
}

.show {
    display: block;
}

.hide {
    display: none !important;
}

/*文字隐藏,省略号*/
.ti,
.te {
    white-space: nowrap;
    overflow: hidden;
}

.ti {
    text-indent: -999em;
}

.te {
    text-overflow: ellipsis;
}





/*课程详情*/
.cil_nav{
	font-size: 14px;
	color: #121212;
	margin-bottom: 10px;
}
.cil_nav a{
	margin: 0 10px;
}
.cil_nav img{
	margin-right: 10px;
}
.cil_class{
	display: flex;
	width: 100%;

}
.cil_l{
	width: 100%;
	height: 100%;
	background: #313131;
	position: relative;
}
.cil_l video{
	width: 100%;
	height: 720px;
}
.cil_r{
	padding:10px 20px;
	color: #fff;
	/*margin-left: 1%;*/
	width: calc(100% - 40px);
	/*height:calc(400px - 15px);*/
	background: #313131;
	overflow-x: hidden;
	/*overflow-y: scroll;*/
	cursor: pointer;
	margin-top: 10px;

}
.cil_l_bot_btn{
	font-size: 10px;
	color: #fff;
	background: #E8A52D;
	padding:0 10px;
	line-height: 30px;
	height: 30px;
	border-radius: 10px;
	display: inline-block;
}
.cil_r::-webkit-scrollbar{
	display: none;
}
.cilr_li_title{
	font-size: 14px;
	margin-top: 15px;
}

.cilr_li_lis{
	width: calc(100% - 0px);
	padding:10px 0 ;
	position: relative;
	border-bottom: #3D3D3D 1px solid;
	display: flex;
}
.cilr_li_lis_c{
	width:100%;
}

.cilr_li_lis_r span{
	font-size: 10px;
	color: #E8A52D;
	border: 1px #E8A52D solid;
	border-radius: 30px;
	padding: 0px 10px;
	position: absolute;
	right: 0;
	bottom: 10px;
}
.cilr_li_lis_serial{
	position: absolute;
	left: 0;
	top: 50%;
	margin-top: -10px;
	font-size: 10px;
	width: 20px;
	height: 20px;
	text-align: center;
	line-height: 20px;
	background: #fff;
	border-radius: 50%;
	color: #000;
	font-weight: 700;
}

.cilr_li_lis_title{
	font-size: 14px;
}
.cilr_li_lis_des{
	margin-top: 4px;
	
}
.cilr_li_lis_des_type{
	font-size: 10px;
	color: #E8A52D;
	border: 1px #E8A52D solid;
	padding:0 2px;
}
.video_icon{
	height: 14px;
	
	width: 14px;
	position: absolute;
	left: 0;
	top: 50%;
	margin-top: -7px;
}
.cilr_li_lis_des_duration{
	margin-left: 10px;
	margin-right: 5px;
	font-size: 14px;
	padding-left: 20px;
	position: relative;
	color: #A3A3A4;
}
.cil_l_zz{
	width: 100%;
	height: 720px;
	background: rgba(0,0,0,0.5);
	position: absolute;
	left: 0;
	top: 0;
	text-align: center;
}
.cil_l_zzs{
	width: 100%;
	height: 720px;
	background: #000;
	position: absolute;
	left: 0;
	top: 0;
	text-align: center;

}
.cil_l_zzs_title{
	margin: 322px auto 0;
	/*width: 40%;*/
	text-align: center;
	border-bottom: 1px #333 solid;
	color: #999;
	padding-bottom: 10px;
}
.cil_l_zzs_btn{
	display: inline-block;
	background: #E8A52D;
	color: #fff;
	margin-top: 10px;
	padding: 5px 80px;
	border-radius: 16px;
}
.cil_l_zz img{
	width: 80px;
	height: 80px;
	position: relative;
	top: 40%;

}.cil_l_zzs img{
	 width: 80px;
	 height: 80px;
	 position: relative;
	 top: 40%;

 }

.cil_l_bot{
	display: flex;
	padding: 10px;
	background: #fff;
	position: relative;
}
.cil_l_bot_l{
	width: calc(100% - 300px);

}
.cil_l_bot_l_title{
	font-size: 18px;
	color: #333;
}
.cil_l_bot_l_num{
	font-size: 16px;
	color: #FF4F23;
	margin-left: 20px;
}
.cil_l_bot_l_people{
	font-size: 12px;
	color: #919191;
	
}
.cil_l_bot_r{
	position: absolute;
	bottom: 100px;
	left: 10px;
}
.cil_l_bot_rspan{
	text-align: center;
	display: inline-block;
	background: rgba(0,0,0,0.5);
	padding: 5px 10px;
	border-radius: 5px;
	color: #fff;

}
.class_left_bot{

	border-top: 10px #F7F7F7 solid;
}
.clb_tab{
	color: #333333;
	font-size: 14px;
	display: flex;
	line-height: 50px;
	border-bottom: 1px #EBEBEB solid;
	
}
.clb_tab_li{
	display: inline-block;
	margin-right: 40px;
	cursor: pointer;
}
.tabsel{
	color: #E8A52D;
	border-bottom: 2px #E8A52D solid;
}
.clb_tab_content{
	padding: 10px;
	font-size: 14px;
}
.lecturer_title{
	font-size: 18px;
	font-weight: 700;
	padding-left: 10px;
	position: relative;
	margin-bottom: 20px;
}
.lecturer_title span{
	width: 4px;
	height: 20px;
	position: absolute;
	background: #E8A52D;
	left: 0;
	top: 50%;
	margin-top: -11px;
	border-radius: 10px;
}
.lecturer_center{
	display: flex;
}
.lecturer_center_l{
	width: 60px;
	height: 60px;
	border-radius: 50%;
	margin-right: 20px;
}
.lecturer_center_r{
	width: calc(100% - 80px);
}
.lecturer_center_rnames{
	color: #222222;
	font-weight: 700;
	font-size: 18px;
	margin-top: 5px;
	overflow : hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 1;
	-webkit-box-orient: 	vertical;
}
.lecturer_center_rtitle{
	color: #222222;
	font-size: 14px;
}
.lecturer_bot{
	margin-top: 20px;
	font-size: 14px;
	border-top:1px #F5F5F5 solid;
	padding-top: 10px;

	overflow : hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: 	vertical;

}
.more{
	font-size: 14px;
	color: #6783B7;
	text-align: right;
	position: relative;
	padding-right: 20px;
}
.more img{
	width: 14px;
	height: 14px;
	position: absolute;
	right: 0;
	top: 50%;
	margin-top: -7px;
}