body {
    background: #f6f6f6;
}
.headerTop {
    position:absolute; 
    left:0; 
    top:0; 
}
#head{
    position:absolute;
    z-index:3;
    -webkit-backface-visibility:hidden;
    -moz-backface-visibility:hidden;
    -ms-backface-visibility:hidden;
    -o-backface-visibility:hidden;
    backface-visibility:hidden
}
#head{
    position:fixed; 
    _position:absolute;
    top:0; 
    left:0;
    z-index:3;
}

/* 网站主要内容 */
.wrapper {
    z-index:2; 
    position:relative;
    margin-top:406px; 
    _margin-top:0;
}
.content_wrapper {
    background-color: #fff;
}
.main_wrapper {
    padding: 20px;
    background-color: #fff;
}

/******************* 主要内容 *******************/
.article_content {
    margin: 4px 100px 40px 100px;
}
.font_fc14px {
    padding: 10px 0;
    font-size: 16px;
    color: #999999;
    text-align:center;
}
.article_detail_ft {
    height: 40px;
    width: 100%;
    background: #f1f1f1;
}
.close {
    float: right;
    width: 55px;
    margin-right: 20px;
    background: url('icon_close.png') no-repeat left 14px;
    line-height: 40px;
    text-align: right;
}
.print {
    float: right;
    width: 55px;
    margin-right: 20px;
    background: url('icon_print.png') no-repeat left 14px;
    line-height: 40px;
    text-align: right;
}
/* 
.article_title h2 {
    font-size: 20px;
    text-align: center;
    color: #333333;
    line-height: 1.8;
} */


/* 附件 */
#attach {
    margin-bottom: 18px;
    display: none;
    line-height: 28px;
    font-size: 16px；
}
.attach_t {
    border-bottom: 1px dotted #B4BABA;
}
.attach_t img {
    vertical-align: middle;
    margin-right: 5px;
}
.attach_d {
    padding: 10px;
    margin-top: 10px;
    border: 1px dotted #dfdbdb;
    background: #f3f8fb;
}


/* 回到顶部 */
.back_top {
    display: none;
    padding-top: 28px;
    position: fixed;
    bottom: 15px;
    left: 52%;
    margin-left: 590px;
    width: 40px;
    height: 40px;
    text-align: center;
    background: url(up.png) no-repeat top center;
}
.back_top span {
    display: block;
    text-align: center;
    background: #7D8086;
    font-size: 14px;
    color: #fff;
    line-height: 16px;
    padding: 4px 3px;
    cursor: pointer;
}