@charset "utf-8";
/* CSS Document */
.visibleing{
	display:block;
	/*cursor:pointer;*/
	/*list-style:outside url("../image/top/mathsextra/xian_extra.png");*/
	/*animation:slowopen 2s linear 0 1normal;
	animation-play-state:running;*/
	}
.visibleing > li {display:list-item; list-style:outside url(../image/top/mathsextra/xian_extra.png);}
.hiddening{display:block;}
.hiddening > li {
 display:none;
	/*display:none;*/
	/*cursor:auto;*/
	list-style:outside url(../image/top/mathsextra/xian_extra.png);
	}
.indexbg{background:#08A3A3; width:34%; left:0px; min-width:430px;/* min-height:880px;*/ position:relative;float:left; height:1600px;}
.linetb{height:4px;cursor:default; /*background-color:#EEE;*/ margin-bottom:6px;}
.linelr{width:4px; cursor:default; position:relative;/* background-color:#FEE;*/ float:left;top:-28px;}
.mainlined{
	width:1px;
	position:relative;
	left:34px;
	top:30px;
	float:left;
	background:#DFF;
	}
/*.copyright{width:606px; float:none;position:absolute;z-index:3}*/
.iframeroll{
	float:left;
	position:relative;
	background:#fff;
	/*min-height:880px;*/
	height:1600px;
	min-width:709px;
	width:55%;
	z-index:2;
	}

.details{
	font:italic normal normal 100% '华文中宋';
	text-indent:-7px;
	color:#DFF;
	text-shadow:none;
	/*text-shadow:1px 2px 3px #000;*/
	}
.details:link{text-decoration:none;}

.bo00{ background-color:/*#7BBBBB*/#DCDCDC;}

.details:hover{text-decoration:underline;}
.frombigli_o{list-style:inside url(../image/top/mathsextra/o00.png);}
.frombigli_c{list-style:inside url(../image/top/mathsextra/c00.png);}
.frombigli{
	font:normal normal bold 18px '微软雅黑';
	color:#DFF;
	text-decoration:none;
	text-shadow:1px 2px 3px #008E8E;
	}
.imgbg{
	width:50px;
	height:50px;
	padding-left:90px;
	border:none;
	}
.top2 {
	background-image: url(../image/top/mathsextra/title2top.png);
	/*background-size:600px 200px;*/
	background-repeat: no-repeat;
	background-color: #388383;
	background-position:right;
	height:80px;
	width:100%;
	position:relative;
	left:0px;
	min-width:1266px;
}
.top2_0{
	color:#079191;/*#3c3838;*/
	background-color:#FFF;
	text-align:left;
	font-size:32px;
	font-family:"华文中宋";
	margin:0px;
	width:100%;
	min-width:1266px;
	}
.backto{
	width:60px;
	position:relative;
	border:none;
	left:120px;
	}
.neihan_ifream00{
	position:relative;
	float:left;
	width:1266px;
	/*min-height:890px;*/
	height:2000px;
	border:none;
	top:-5px;
	left:0px;
	/*left:-5px;*/
	}
/*.handm{
	cursor:pointer;
	}
.defm{
	cursor:default;
	}*/