@charset "utf-8";
body{
padding:0;
margin:0;
}
.tool_big {
	width:100%;
	height:auto;
	margin:0 auto;
	background-color:#f1f1f1;
}
.tool_big .title{
	width:1200px;
	height:42px;
	margin:0 auto;
}
.tool_big .title .name{
	width:290px;
	height:50px;
	background-image:url(../images/name.jpg);
	background-repeat:no-repeat;
	background-position:0 0;
	margin-top:24px;
	margin-left:650px;
	display:inline;
	float:left;
}
.tool_big .title .name a{
	width:290px;
	height:50px;
	display:block;
}
.tool_big .title .an_niu{
	width:265px;
	height:24px;
	float: right;
	margin-top:52px;
	margin-right:273px;
	overflow:hidden;
}
.tool_big .title .an_niu .s_dai{
	width:75px;
	height:24px;
	margin-right:19px;
	float:left;
	display:inline;
	cursor:pointer;
	background-image:url(../images/s_dai.jpg);
}
.tool_big .title .an_niu .d_chu{
	width:75px;
	height:24px;
	float:left;
	display:inline;
	cursor:pointer;
	background-image:url(../images/d_chu.jpg);
}
/*标尺*/
.tool_big .b_chi{
    border-bottom: 1px solid #000;
    border-top: 1px solid #999999;
    height: 20px;
    position: relative;
    width: 100%;
}
.tool_big .b_chi .big_sm{
	background-image:url(../images/b_chi.jpg);
	background-repeat:no-repeat;
	background-position:center 0 ;
	width:967px;
	margin:auto;
	height:20px;
	position:relative;
}
/*990*/
.tool_big .b_chi .big_990{
	background-image:url(../images/b_chi990.jpg);
	background-repeat:no-repeat;
	background-position:center 0 ;
	width:1022px;
	margin:auto;
	height:20px;
	position:relative;
}
.tool_big .b_chi .big_990 .num_z{
	width:1px;
	height:519px;
	background-color:#4affff;
	position:absolute;
	top:21px;
	left:15px;
	z-index:3;
}
.tool_big .b_chi .big_990 .num_n{
	width:1px;
	height:519px;
	background-color:#4affff;
	position:absolute;
	top:21px;
	right:16px;
	z-index:3;
}
/*主体*/
.tool_big .tool_hd{
	width:1200px;
	margin:50px  auto 0; 
	overflow:hidden;
	position:relative;
}
.tool_big .tool_hd .fan_ge .pic{
	height: 100%;
    overflow: hidden;
    position: relative;
    width: 640px;
}