@CHARSET "UTF-8";
/***************
This is for BASE, including header and footer
***************/


html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, figure, figcaption, code, del, dfn, em, image, q, dl, dt, dd, ol, ul, li, fieldset, form, legend, table, tf, tr, th {
	border: 0px;
	padding: 0px;
	/*font-size: 100%;*/
	margin: 0px;
	font-family: 'Microsoft Yahei',"Lucida Grande", "Tahoma","Arial", "Helvetica", "sans-serif";
	-webkit-font-smoothing: subpixel-antialiased;
	font-weight:normal;
}
body {
	line-height: 20px;
	font-size: 14px;
	font-family:'Microsoft Yahei',"Lucida Grande", "Tahoma","Arial", "Helvetica", "sans-serif";
	margin: 0px;
	min-width:360px;
}
input, textarea, select {
	font-family: 'Microsoft Yahei',"Lucida Grande", "Tahoma","Arial", "Helvetica", "sans-serif";
	background-color: #FFFFFF;
	font-size:12px;
	outline:none;
    -webkit-appearance: none;
}
img {
	border: 0px;
	vertical-align:bottom;
	-ms-interpolation-mode: bicubic;
}
a, a:link {
	text-decoration: none;
   color: #323232;
}
a:hover {
	text-decoration:none;
	color:#B1040E;
}
ul{
	list-style-type:none;
}

@font-face{
	font-family:icon;
	src:url('../fonts/iconfont.eot');
	src:url('../fonts/iconfont.eot?#iefix') format('embedded-opentype'),url('../fonts/iconfont.woff') format('woff'),url('../fonts/iconfont.ttf') format('truetype'),url('../fonts/iconfont.svg#iconfont') format('svg');
}

.pku-red{
   color:#B1040E;
}

.pku-background-red{
   background-color:#B1040E!important;
   color:#fff;
}

.pku-gold{
   color:#dda813;
}
.pku-gray{
   color:#565656;
}
.pku-grey{
   color:#CECECE;
}
.pku-black{
   color:#333;
}
.pku-green{
   color:#00A105;
}
.black{
  color:#333;
}
.pku-grey-hr{
   height:1px;
   border:none;
   border-top:1px solid #cecece;
}
.icon-space-right{
   margin-right:3px;
}
.icon-space-left{
   margin-left:3px;
}
.left {
	float: left;
}
.right {
	float: right;
}
.clearfix:after {
	display:block;
	content:'';
	clear:both;
	height:0px;
	visibility: hidden;
}

.header{
   	overflow:inherit;
   /*box-shadow: 0 0 4px #e5e5e5;
    -webkit-box-shadow: 0 0 4px #e5e5e5;*/
   	width:100%;
   /*border-bottom:1px solid #CECECE;*/
   	margin-bottom:20px;
   	position: fixed;
	top: 0px;
	left: 0px;
	width: 100%;
	z-index: 9997;
	background-color: #fff;
}

.header-margin{
	margin-top:100px;
}

.header .content {
   width:1500px;
	height:60px;
   line-height:60px;
	margin:20px auto;
	text-align:center;
}
.header .content-w {
	width:100%;
	height:100px;
	margin:10px auto;
	text-align:center;
}
.header .content .logo {
	display:inline-block;
   	float:left;
   	text-align:left;
	/*padding-left:15px;*/
	height:100%;
	padding-left:40px;
   	padding-right:40px;
   	font-size:32px;
   	background:url("../img/cloudcourse_logo_bg.svg") right bottom no-repeat;
   	background-size: contain;
   	width:208px;
}
.header .content .pku-href {
	position:absolute;
	left:248px;
	width:40px;
}

.header .content-w .logo {
	display:inline-block;
   float:left;
   text-align:left;
	height:100%;
	padding-left:20px;
}
.header .content .logo img{
	height:100%;
   margin-right:20px;
   vertical-align:top;
}

.header .content .menu {
	display:inline-block;
   	float:left;
   	text-align:left;
	/*padding-left:15px;*/
	height:100%;
	padding-left:100px;
   	font-size:0;
}

.header .content .menu li{
	font-size:18px;
   	display:inline-block;
   	width:50px;
   	height:calc(100% - 20px);
   	line-height:40px;
   	margin:10px 20px;
   	text-align:center;
   	box-sizing:border-box;
}

.header .content .menu li a.current{
	border-bottom:2px solid #B1040E;
}


.header .content .right-menu {
	display:inline-block;
   float:right;
   text-align:left;
   /*padding-right:15px;
	padding-left:15px;*/
	height:100%;
}
.header .content .right-menu li{
	font-size:18px;
   display:inline-block;
   min-width:20px;
   padding-left:20px;
   padding-right:25px;
   height:100%;
   vertical-align:top;
}
.header .content .right-menu li.float-search{
	position:inherit;
}
.header .content .right-menu li.float-search form{
	position:relative;
}
.header .content .right-menu li .search{
   position:absolute;
   left:8px;
   top:0px;
   /**vertical-align: middle;**/
}
.header .content .right-menu li .clear-fix {
    position: absolute;
    right: 8px;
    top: 0px;
    display:none;
}

.header .content .right-menu li .keyword{
	width:240px;
   height:36px;
   /**line-height:36px;**/
   font-size:18px;
   padding-left:35px;
   box-sizing:border-box;
   border:1px #ccc solid;
   /**vertical-align: middle;**/
}
.header .content .right-menu li .search-icon-m{
	display:none;
}
.header .content .right-menu li a.split-item{
	padding-left:15px;
   padding-right:15px;
}
.header .content .drop-down-menu {
	display:none;
   position:absolute;
   z-index:100;
   background-color:#fff;
   width:100px;
   right:20px;
   top:70px;
}
.header .content .drop-down-menu li{
	height:30px;
   line-height:30px;
   padding-left:15px;
   padding-right:15px;
   border:1px solid #ccc;
   border-bottom:none;
}
.header .content .drop-down-menu li:last-child{
   border-bottom:1px solid #ccc;
}

.footer{
   overflow:hidden;
   /*box-shadow: 0 0 4px #e5e5e5;
    -webkit-box-shadow: 0 0 4px #e5e5e5;*/
   width:100%;
   /*border-bottom:1px solid #CECECE;*/
   margin-top:40px;
   background-color:#B1040E;
   color:#fff;
}
.footer .content-m {
	display:none;
}
.footer .content {
	width:1500px;
	height:140px;
   line-height:140px;
	margin:20px auto;
	text-align:center;
}
.footer .content .left-content{
	display:inline-block;
   float:left;
   width:calc(35% - 80px);
   height:60px;
   line-height:60px;
	margin:40px 40px;
	text-align:left;
}
.footer .content .logo{
	display:inline-block;
   	height:60px;
   	line-height:60px;
   	padding-right:40px;
	text-align:left;
   	font-size:32px;
   	color:#fff;
   	background:url("../img/cloudcourse_logo_bg_red.svg") right center no-repeat;
   	background-size:contain;
}

.footer .content .pku-href{
	position:absolute;
	left:248px;
	width:40px;
}

.footer .content .logo img{
	margin:0px 20px 0px 0px;
   	height:60px;
   	vertical-align:top;
}

.footer .content .rest-content{
	float:left;
   width:65%;
   height:100%;
   text-align:left;
}
.footer .content .rest-content .slogan{
	width:100%;
   height:50%;
   font-size:32px;
   line-height:50px;
}
.footer .content .rest-content .menu{
	width:100%;
   height:25%;
   line-height:25px;
   font-size:16px;
}
.footer .content .rest-content .menu li{
	display:inline-block;
   width:100px;
}
.footer .content .rest-content .menu li a{
	color:#fff;
}
.footer .content .rest-content .copyright{
	width:100%;
   height:25%;
   line-height:25px;
   font-size:14px;
}
.footer .content .rest-content .copyright a{
	color:#fff;
   padding-right:20px;
}
.main-content-w {
	width:100%;
	margin:20px auto;
	text-align:center;
   overflow:hidden;
}

.main-content {
	width:1500px;
   /**min-height:480px;**/
	margin:20px auto 100px auto;
	text-align:center;
   overflow:hidden;
}
.mask{
   position:fixed;
   left:0;
   top:0;
   width:100vw;
   height:100vh;
   display:none;
}
.mask .mask-bg{
   z-index: 9998;
   position:absolute;
   left:0;
   top:0;
   width:100vw;
   height:100vh;
   background-color:#333;
   opacity:0.8;
}
.mask .front-panel{
   z-index: 9999;
   position:absolute;
   left:calc((100vw - 360px)/2);
   top:calc((100vh - 320px)/2);
   width:360px;
   height:320px;
   background-color:#fff;
}
.mask .front-panel .tbar{
   text-align:center;
   width:calc(100% - 120px);
   margin:40px 60px 0px 60px;
}
.mask .front-panel .tbar .tbar-item-50{
   text-align:center;
   display:inline-block;
   width:50%;
   font-size:16px;
   padding-bottom:20px;
}
.mask .front-panel .tbar .current{
   color:#B1040E;
}
.mask .front-panel .panel-item{
   text-align:center;
   width:240px;
   margin:20px 60px;
}
.mask .front-panel .panel-close{
   color:#fff;
   position:absolute;
   top: -40px;
   right:-40px;
   width:40px;
   height:40px;
   line-height:40px;
   font-size:40px;
   text-align:center;
   cursor:pointer;
}
@media screen and (max-width:1680px) {
	.header .content {
		width:1500px;
	}
	.header .content-w {
		width:100%;
	}
}
@media screen and (max-width:1500px) {
	.header .content {
		width:100%;
	}
	.header .content-w {
		width:100%;
	}
   .header .content .drop-down-menu {
   	right:20px;
   }
   .footer .content {
   	width:100%;
   }
   .main-content-w,.main-content {
   	width:100%;
   	margin:20px auto;
   	text-align:center;
   }

}
@media screen and (max-width:1200px) {
	.header .content .menu {
    	padding-left: 60px;
	}
   	.header .content .menu li{
      	margin-left:10px;
      	margin-right:10px;
   	}
   
   .header .content .right-menu li .keyword{
   	width:215px;
   }
}
@media screen and (max-width:1024px) {
	.footer .content .left-content {
    	display: inline-block;
		float: left;
		width: calc(37% - 40px);
		height: 60px;
		line-height: 60px;
		margin-top: 40px;
		text-align: left;
		margin-left: 40px;
		margin-bottom: 40px;
		margin-right: 0px;
	}
	
	.footer .content .rest-content {
	    width: 63%;
	}
	
}


@media screen and (max-width:1000px) {
	.header .content .menu {
   		padding-left:40px;
   	}
   .header .content .right-menu li{
   	padding-left:15px;
      padding-right:25px;
      min-width:20px;
   }
   .header .content .right-menu li.float-search{
   	position:absolute;
      right:10px;
      display:none;
   }
   .header .content .right-menu li .search-icon-m{
   	display:inline-block;
   }
   
   /**.footer .content .logo img{
   	margin:5px 20px 5px 0px;
      height:50px;
   }**/
   
   .footer .content .rest-content .slogan{
   	font-size:26px;
   }
}
@media screen and (max-width:800px) {
   .header .content .logo{
   		padding-left: 30px;
   		padding-right:30px;
   }
   .header .content .pku-href {
		position:absolute;
		left:238px;
		width:30px;
	}
   
   .header .content .menu {
   	padding-left:20px;
   }
   .header .content .menu li{
      margin-left:8px;
      margin-right:8px;
   }
   .header .content .right-menu li{
   	padding-left:3px;
      padding-right:15px;
   }
   .header .content .drop-down-menu {
   	right:15px;
   }
   .footer .content {
   		display:none;
   	}
   .footer .content-m {
   		display:block;
      	width:100%;
   		height:160px;
   		margin:20px auto;
   		text-align:center;
   }
   .footer .content-m .logo-slogan{
   		width:100%;
      	height:50%;
      	line-height:80px;
   		margin:0px auto;
   		text-align:center;
   }
   .footer .content-m .logo-slogan li{
   		display:inline-block;
      /**	width:100px;**/
      	height:100%;
      	position: relative;
   }
   .footer .content-m .logo-slogan li a{
   		color:#fff;
   }
   
   .footer .content-m .logo-slogan .logo{
   		display:inline-block;
      	height:60px;
      	line-height:60px;
   		text-align:right;
	    margin:10px 20px 10px 0px;
	    padding-right:30px;
	    font-size:32px;
	    color:#fff;
	    background:url("../img/cloudcourse_logo_bg_red.svg") right bottom no-repeat;
	    background-size:contain;
   }
   
   .footer .content-m .logo-slogan .pku-href{
   		position:absolute;
		left:198px;
		width:30px;
   }
   
   .footer .content-m .logo-slogan .logo img{
   		margin:0px 10px 0px 0px;
      	height:60px;
      	vertical-align:top;
   }
   
   .footer .content-m  .logo-slogan .slogan{
      display:inline-block;
      margin-left:10px;
      text-align:left;
      font-size:32px;
   }
   .footer .content-m .menu{
   		width:100%;
      	height:25%;
      	line-height:25px;
      	margin:0px auto;
      	text-align:center;
      	font-size:16px;
   }
   .footer .content-m .menu li{
   	display:inline-block;
      width:100px;
      height:100%;
   }
   .footer .content-m .menu li a{
   	color:#fff;
   }
   .footer .content-m .copyright{
   	width:100% -80px;
      height:25%;
      line-height:25px;
      text-align:center;
      margin:0px auto;
      font-size:14px;
   }
   .footer .content-m .copyright a{
   	color:#fff;
      padding-left:20px;
      padding-right:20px;
   }
}

@media screen and (max-width:700px) {
	.header .content .menu li {
	    font-size: 16px;
	   	width: 36px;
	    height: calc(100% - 20px);   
	}
}

@media screen and (max-width:640px) {
	.header .content {
      height:50px;
      line-height:50px;
	}
   .header .content .logo {
      font-size:26px;
      width:176px;
   }
   
   .header .content .pku-href {
		position:absolute;
		left:206px;
		width:30px;
	}
   
   .header .content .menu {
   	padding-left:10px;
   }
   .header .content .menu li{
      margin-left:5px;
      margin-right:5px;
      line-height:30px;
      font-size:16px;
   }
   .header .content .right-menu li{
   	padding-left:0px;
      padding-right:20px;
      font-size:16px;
   }
   .header .content .right-menu li .keyword{
      font-size:16px;
   }
   .header .content .drop-down-menu {
   		right:10px;
   }
   .header .content .right-menu li a.split-item{
      padding-left:10px;
      padding-right:10px;
   }
   .header-margin{
		margin-top:90px;
	}
   .footer .content-m {
   		height:140px;
   }
   .footer .content-m .logo-slogan{
   		line-height:70px;
   }
   
   .footer .content-m .logo-slogan .logo{
   		height:50px;
      	line-height:50px;
   		margin:10px 25px 10px 0px;
	    padding-right:25px;
	    font-size:24px;
   }
   .footer .content-m .logo-slogan .pku-href{
   		position:absolute;
		left:156px;
		width:30px;
   }
   
   .footer .content-m .logo-slogan .logo img{
   		height:50px;
   }
   
   .footer .content-m  .logo-slogan .slogan{
      font-size:24px;
   }
   
   .footer .content-m .copyright a{
   	padding-left:10px;
      padding-right:10px;
   }
}

@media screen and (max-width:560px) {
	.header .content {
      height:40px;
      line-height:40px;
	}
   .header .content .logo{
      font-size:18px;
      padding-right:15px;
      width:117px;
      padding-left: 20px;
    	padding-right: 20px;
   }
   
   .header .content .logo img{
      margin-right:5px;
   }
   .header .content .pku-href {
		position:absolute;
		left:137px;
		width:20px;
	}
   
   .header .content .menu{
      padding-left:5px;
   }
   .header .content .menu li{
      width:36px;
      line-height:20px;
      font-size:14px;
      margin-left:2px;
      margin-right:2px;
   }
   .header .content .right-menu li{
   	padding-left:0px;
      padding-right:15px;
      font-size:14px;
      min-width:15px;
   }
   .header .content .right-menu li .keyword{
      font-size:14px;
   }
   .header .content .drop-down-menu {
   	right:2px;
   }
   .header .content .right-menu li a.split-item{
      padding-left:3px;
      padding-right:3px;
   }
   .header-margin{
		margin-top:80px;
	}
   .footer .content-m .menu{
   	font-size:14px;
   }
   .footer .content-m .menu li{
   	width:80px;
   }
   .footer .content-m .copyright{
   	font-size:12px;
   }
   .footer .content-m .copyright a{
   	padding-left:5px;
      padding-right:5px;
   }
}

@media screen and (max-width:480px) {
	
   /**.footer .content-m .logo-slogan .logo{
      width:calc(50% - 45px);
      margin-right:25px;
      font-size:20px;
   }
   .footer .content-m .logo-slogan .logo img{
   	margin:8px 5px 8px 0;
      height:34px;
      vertical-align:top;
   }
   .footer .content-m  .logo-slogan .slogan{
      width:calc(50% - 5px);
      margin-left:5px;
      font-size:18px;
   }**/
   
   
   .footer .content-m .logo-slogan .logo{
   		height:40px;
      	line-height:40px;
   		margin:10px 20px 10px 0px;
	    padding-right:20px;
	    font-size:20px;
   }
   .footer .content-m .logo-slogan .pku-href{
   		position:absolute;
		left:130px;
		width:30px;
   }
   .footer .content-m .logo-slogan .logo img{
   		height:40px;
   }
   
   .footer .content-m  .logo-slogan .slogan{
      font-size:20px;
   }
   
   .footer .content-m .menu{
   	font-size:14px;
   }
   .footer .content-m .menu li{
   	width:75px;
   }
   .footer .content-m .copyright{
   	font-size:12px;
   }
   /**.mask .front-panel{
      left:calc((100vw - 360px)/2);
      top:calc((100vh - 340px)/2);
      width:360px;
      height:340px;
   }**/
   .mask .front-panel .tbar{
      text-align:center;
      width:calc(100% - 40px);
      margin:40px 20px 0px 20px;
   }
	.mask .front-panel .panel-item{
      width:280px;
      margin:20px 40px;
   }
}

@media screen and (max-width:420px) {
	.footer .content-m .logo-slogan .logo{
	    font-size:16px;
   }
   .footer .content-m .logo-slogan .pku-href{
   		position:absolute;
		left:114px;
		width:30px;
   }
   .footer .content-m  .logo-slogan .slogan{
      font-size:16px;
   }
   
   .header .content .menu {
    	padding-left: 5px;
    	width: calc(100% - 240px);
   }
   
   .header .content .menu-33 li {
    	width: calc(33% - 2px);
    	line-height: 20px;
    	font-size: 14px;
    	margin-left: 1px;
    	margin-right: 1px;
	}
   .header .content .menu-25 li {
    	width: calc(25% - 2px);
    	line-height: 20px;
    	font-size: 14px;
    	margin-left: 1px;
    	margin-right: 1px;
	}
}

@media screen and (max-width:370px) {
	.header .content .menu li {
    	font-size: 13px;
	}
}
@media screen and (max-width:320px) {
	
}
.multi-line-ellipsis{
	overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient:vertical;
    flex-direction: column;
}

.sub-title {
    padding: 1em;
    width: 100%;
    box-sizing: border-box;
    background-image: url(/cloudCourse/res/img/subTitle.png);
    background-color: #9b0000;
    background-size: 100% 100%;
    background-repeat: no-repeat;
    text-align: center;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    margin:0 auto;
    max-width:600px;
}