@charset "utf-8";

*{ padding:0; margin:0;-webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing:
border-box; } 
html,body{ width: 100%; height: 100%; font-family: 'Microsoft YaHei';font-weight:normal; font-size:16px;color:#000000;background: #ffffff;} 
ol,ul,li { list-style-position:inside; margin:0;padding:0; list-style-type: none;} 
table {border-collapse:collapse;border-spacing:0;empty-cells:show;text-align:left;}
th,td {border-collapse:collapse;} 
caption{text-align:left;} 
img{ border:0;} 
img.ie6{ vertical-align:text-bottom;} /*ie6*/
 button {cursor:pointer;} 
 h4{font:14px/normal;color:#000; font-weight:bold;} /**/
a{text-decoration: none;}
a:active {border: 0px;}
img{border:0px; width:100%;height:auto;margin:0 auto; display: block;} 
area {anything:expression(this.onfocus=this.blur);}

/* 清除浮动 */
.clear {
	clear: both;
}
.clearfix:after {
	visibility: hidden;
	display: block;
	font-size: 0;
	content: " ";
	clear: both;
	height: 0;
}

/* body */
.wraps{
	width: 100%;
	height: 100%;
	position: relative;
	background: #ffffff;
}
.function{
	width: 100%;
	height: auto;
	margin: 0 auto;
	padding: 0 0 50px 0;
}
.item{
	width: 100%;
	padding: 8px 2%;
}
.item li{
	float: left;
	width: 33.33%;
	height: 40px;
	text-align: center;
	font-size: 16px;
	font-weight: bold;
	line-height: 40px;
	color: #B5B5B5;
}
.item li.on{
	color: #131317;
}
.item li.on span{
	display: block;
	width: 24px;
	height: 4px;
	margin: 0 auto;
	background: #00BCC6;
	border-radius: 4px;
}
.videos{
	width: 100%;
	padding: 10px;
}
.videos ul{
	width: 100%;
	display: none;
}
.videos ul li{
	float: left;
	display: block;
	padding: 5px;
	width: 50%;
}
.videos ul li a{
	display: block;
	cursor: pointer;
}
.videos ul li a img{
	display: block;
	width: 100%;
	height: auto;
	margin: 0 auto;
}
.pop{
	width: 100%;
	height: 100%;
	position: fixed;
	top: 0;
	left: 0;
	z-index: 10;
	display: none;
}
.pop-bg{
	width: 100%;
	height: 100%;
	background: #131317;
	opacity: 0.8;
	position: absolute;
	top: 0;
	left: 0;
}
.pop-play{
	width: 100%;
	height: 100%;
	position: relative;
}
.pop-play video{
	width: auto;
	height: 90%;
	position: absolute;
	top: 50%;
	left:50%;
	transform: translate(-50% , -50%);
}
.pop-close{
	width: 60px;
	height: 60px;
	position: absolute;
	top: 0;
	right: 0px;
	z-index: 11;
}
.pop-close img{
	width: 36px;
	height: 36px;
	margin: 12px;
}
.help-video{
	width: 100%;
	height: 100%;
	background: #000000;
}
.help-video video{
	width: auto;
	height: 90%;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50% , -50%);
}