.a_top{
    width: 1000px;
    text-align: center;
    margin-top: 20px;
    font-size: 20px;
    line-height: 2em;
}
 .a_main{
     margin-top:15px;
 }
.a_top span{font-size:14px;}
.preNext
{
	font-size:14px;
}
.a_panel
{
    width: 1000px;margin: 30px auto;
    background:White;
}
.a_content
{
    font: 14px/3.0 Verdana,"Lucida Sans Unicode",'微软雅黑','宋体';
    width:970px;
    margin:0 auto;
    }
.a_fotter
{
    padding-top: 30px;
    padding-bottom: 20px;
    width: 990px;
    text-align: left;
    text-decoration: none;
    border-top: 1px #CCCCCC solid;
    margin: 0px auto;
    }
.lightgray span
{
    font-size: 12px;
    color: #999999;
}
.a_title{
    margin:0 auto; width:875px;
}
.a_title span{
        font-family:'Microsoft Yahei',"Lucida Grande", "Tahoma","Arial", "Helvetica", "sans-serif";
        font-size: 18px;
        line-height: 1.5em;
        font-weight:bold;
}
.tab_title{
     float:left;
    font-size: 20px;height: 60px;
    border-bottom: 4px solid #151AAB;
    color: black;
    line-height:75px;
    letter-spacing: .25em;
    width: 5em;
}
.tab_title2{
    float:left; color:#959595; font-size:14px;text-indent:1em;line-height:30px;margin-top:24px;
}