/*reset the css*/
* {
    padding: 0;
    margin: 0;
}
html{
	font-size: 10px;
}
body{
    font-family: "Microsoft YaHei","微软雅黑","Hiragino Sans GB",tahoma,arial;
}

/*the common css*/

/*中部内容区域固定宽度为1180px，左右自适应*/
.content_us{
	width: 1180px;
	margin-left: auto;
	margin-right: auto;
}

/*导航栏*/
.navigation_bar{
	min-width: 1180px;
	height:90px;
	background-color: #ffffff;
	line-height: 90px;
	zoom:1;
}
.navigation_bar .content_us{
	position: relative;
	zoom:1;
}
.logo_us{
	width: 140px;
	height: 55px;
	position: absolute;
	top: 20px;
	left: 0px;
	background: url('../../img/help/us_icon_logo.png') no-repeat;
}
.navigation{
	width: auto;
	height: 90px;
	position: absolute;
	right: 0px;
	top: 0px;
}
.navigation span{
	line-height: 18px;
	font-size: 1.8rem;
	padding: 0px 40px;
}
.navigation span:nth-child(5){
	color: #ff8800;
}

/*广告*/
.advertisement{
	min-width: 1180px;
	height:120px;
	background-color: #f0862f;
}
.advertisement .content_us{
	height: 120px;
	width: 1180px;
	background: url("../../img/help/us_title.jpg") no-repeat;
	/**background: url("../../img/help/us_title8.png") no-repeat;*/
}


/*关于我们的实际内容*/
.about_us{
	min-width: 1180px;
	height:700px;
	background-color: #eee;

}
.about_us .content_us{
	position: relative;
	width: 1180px;
	height:650px;
	zoom:1;
}
.bread{
	height: 45px;
	width: 100%;
	line-height: 45px;
	font-size: 1.2rem;
}
.bread span{
	cursor: pointer;
}
.left_nav{
	width:270px;
	font-size: 1.4rem;
	background-color: #f8f8f8;
	position: absolute;
	top: 46px;
	left: 0px;
  cursor: pointer;
  overflow-y: auto;
  height: 568px;
}
.nav_list{
	height: 45px;
	/*width: 100%;*/
	line-height: 45px;
	padding-left: 25px;
	border-left: solid 5px;
	border-left-color: #f8f8f8;
}
.arrow{
	height: 11px;
	width: 12px;
	display: inline-block;
	*float:left;
	*margin-top: 15px;
	*display:inline;
	margin-right: 8px;
	background: url('../../img/help/us_icon_close.png') no-repeat;
}
/*箭头被选中*/
.arrow_open{
	background: url('../../img/help/us_icon_open.png') no-repeat;
}
/*左侧具体内容默认隐藏*/
.left_nav ul{
	display: none;
}
.left_nav ul li{
	line-height: 45px;
	color: #acacac;
	padding-left: 62px;
	border-left: solid 5px;
	border-left-color:#f8f8f8;
}
/*二级目录选中*/
.li_choose{
	color: #ff8800 !important;
	background-color: #ffffff !important;
	border-left-color:#ff8800 !important;
}
.right_con{
	height: 538px;
	width: 910px;
	background-color: #ffffff;
	position: absolute;
	top: 46px;
	left: 270px;
}
.question_login{
	/*width: 100%;*/
	height: 538px;
	padding:30px 0px 0 40px;
	background-color: #ffffff;
	font-size: 1.4rem;
	overflow-y:auto;
}


.question_login .question{
	width: 806px;
	height: 34px;
	margin-bottom: 5px;
	line-height: 34px;
	border-bottom: solid 1px;
	border-bottom-color: #dddddd;
	cursor: pointer;
}
.question_login .question:hover{
	color: #ff8800;
	border-bottom-color: #ff8800;
}
.question_login .answer{
	display: none;
	padding-bottom: 20px;
	width: 806px;
	line-height: 30px;
	color: #acacac;
}
.question_login .answer.on{
	display: block;
}

.question_entry_div_hover{
	color: #ff8800;
	border-bottom-color: #ff8800 !important;
}

.videos_video{
	width: 860px;
	height: 480px;
	padding: 30px 20px 30px 10px;
	display: none;
	background-color: #ffffff;
	/*overflow-y:auto;*/
}
.video_block{
	width: 405px;
	height: 130px;
	margin-bottom: 40px;
	margin-left: 20px;
	/*border: solid 1px blue;*/
	float:left;
	position: relative;

}
.video_img{
	display: inline-block;
	width: 195px;
	height: 130px;
	/*margin-top: 15px;*/
	background: url('../../img/help/video_img_normal.png') no-repeat;
	vertical-align: middle;
	cursor: pointer;

}
.video_img_hover{
	background: url('../../img/help/video_img_hover.png') no-repeat;
}
.video_brife{
	width:666px;
	height:95px;
	position: absolute;
	left: 211px;
	top: 0px;
}
.video_title {
	height: 18px;
	line-height: 16px;
	font-size: 1.6rem;
	cursor: pointer;
}
.video_title_hover{
	text-decoration:underline;
	color: #ff8800;
}
.video_brife ul{
	padding-top: 8px;

}
.video_brife ul li{
	line-height: 22px;
	color: #999999;
	font-size: 1.2rem;
}
.download{
	outline: none;
	width: 100px;
	height: 30px;
	border-radius: 15px;
	background-color: #ffffff;
	border: solid 1px;
	border-color: #ff8800;
	color: #ff8800;
	font-size: 1.2rem;
	text-align: center;
	position: absolute;
	left: 0px;
	top: 100px;
	cursor: pointer;
}
.download_hover{
	background-color: #ff8800;
	color: #ffffff;
}
.download i{
	display: inline-block;
	height: 16px;
	width: 16px;
	margin-top: -1px;
	*margin-top: 0px;
	margin-left: 6px;
	vertical-align: middle;
	background: url('../../img/help/download_normal.png') no-repeat;
}
.download .i_hover{
	background: url('../../img/help/download_active.png') no-repeat;
	*background: url('../../img/help/download_active8.png') no-repeat;
}
/*.video_brife a{
	display: none;
}
*/

/*播放视频页面*/
.play_video_con{
	width:980px;
	height:630px;
	padding-top: 28px;
	padding-left: 100px;
	padding-right: 100px;
	position: relative;
	background-color: #ffffff;
	display: none;
	overflow-y:auto;
}

/*.play_video_con span{
	font-size: 1.8rem;
	line-height: 34px;
	height: 34px;
}*/
.play_video_con li{
	line-height: 22px;
	color: #bbbbbb;
	font-size: 1.2rem;
}
.play_video_con label{
	font-size: 1.2rem;
	line-height: 22px;
	color: #ff8800;
	position: absolute;
	right: 0px;
	top: 30px;
	cursor: pointer;
}
.play_video_title{
	display:block;
	font-size: 1.8rem;
	width: 980px;
	height: 28px;
	line-height: 28px;

}
.play_video_content{
	display: block;
	width: 980px;
	line-height: 20px;
	font-size: 1rem;
	color: #dddddd;
}

.answer-img {
	margin-top: 10px;
}


.video-name{
	margin-bottom: 10px;
	padding-left: 10px;
	color: #666;
	font-weight: bold;
}
.video-name i{
	display: inline-block;
	width: 4px;
	height: 4px;
	margin-left: -10px;
	background: #999;
	border-radius: 50%;
	overflow: hidden;
	vertical-align: middle;
}
.video-info{
	margin-bottom: 10px;
	padding-left: 10px;
	color: #999;
}
.video-btn{
	border-bottom: 1px dashed #999;
	padding-bottom: 20px;
	padding-left: 10px;
	margin-bottom: 20px;
}
.btn{
	display: inline-block;
	padding: 2px 10px;
	margin-right: 10px;
	border: 1px solid #999;
	border-radius: 4px;
	text-align: center;
	color: #333;
	font-size: 12px;
}