.product_intro{
width:499px;
float:left;
border:1px #D1D1D1 solid;
text-align:left;
}

.product_intro_menu{
width:499px;
float:left;
background-color:#F1F1F1;
}
.product_intro_menu ul{
margin:0px;
padding:0px;
display:block;
list-style:none;
float:left;
}
.product_intro_menu li{
margin:0px;
padding:0px;
display:block;
list-style:none;
border-right:1px #fff solid;
float:left;
}
.product_intro_menu li.menu_bg_white{
background-color:#FFFFFF;
font-size:12px;
}
.product_intro_menu li a{
display:block;
padding:15px;
}
.product_intro_menu li a:hover {
background:#fff; 
}
.product_intro_content{
width:471px;
float:left;
display:inline;
margin:14px;
}

.table_top{
background:#fff;
width:100%;
}
.bg_black{
background:#D0D0D0;
border:1px #D0D0D0 solid;
font-size:12px;
}
.bg_black a{
color:#fff;
padding:5px;
text-decoration:none;
display:block;
font-size:12px;
}
.bg_black a:hover{
color:#8A8A8A;
text-decoration:none;
background:#fff;
font-size:12px;
}

.bg_white{
background:#fff;
border:1px #D0D0D0 solid;
color:#8A8A8A;
padding:5px;
font-size:12px;
}
.fitting_content{
line-height:18px;
font-size:12px;
color:#8A8A8A;
width:100%;
}
.fitting_content td{
background-color:#E9E9E9;
}
.details_content{
line-height:18px;
font-size:12px;
color:#8A8A8A;
width:100%;
}
.details_content_title{
	font-weight: bold;
	background-color:#F8F8F8;
	color:#000000;
	font-size:12px;

}
.details_content_text{
	background-color:#F8F8F8;
	font-size:12px;
}
.spech{
	font-weight: bold;
	background-color:#ECECEC;
	color:#8B8B8B;
	font-size:12px;
}
.speco{
	font-weight:normal;
	background-color:#F8F8F8;
	color:#8F8F8F;
	font-size:12px;
}
.spece{
	font-weight:normal;
	background-color:#F3F3F3;
	color:#8F8F8F;
	font-size:12px;
}