.demo{padding:10px; *zoom:1;}
.demo:after{display:table; content:""; clear:both;}
pre{font-family:'simsun';}
#ad, .ad {width:468px; height:60px; margin:0 auto; color: #fff; }
.ad { position: absolute; top: 0; right: 0; text-align: center; font-size: 12px; background-color: #67748A; background-color: rgba(0,0,0,.35); }
@media screen and (max-width: 468px) {
    #ad { display: none; }
}
@media screen and (max-width: 700px) {
   .ad { display: none; }
}
.light{background:#f0f3f9;}
#content{min-height:500px; _height:500px; background:white; border:solid #cad5eb; border-width:0 2px; font-family:'Lucida Grande',Verdana;}
.article{font-family:Arial; padding:10px 0; font-size:0.86em; clear:both;}
.article_new{ margin:-31px 10px 0 0; line-height: 20px; font-family:Arial; padding:5px 0; font-size:0.86em; clear:both; text-align:right;}
#back{margin-top:-25px; position:absolute; right:10px;}

.upload_box{width:800px; margin:1em auto;}
.upload_main{border-width:1px 1px 2px; border-style:solid; border-color:#ccc #ccc #ddd; background-color:#fbfbfb;}
.upload_choose{padding:1em;}
.upload_choose input{display: inline;}
.upload_drag_area{display:inline-block; width:60%; padding:4em 0; margin-left:.5em; border:1px dashed #ddd; background:#fff; color:#999; text-align:center; vertical-align:middle;}
.upload_drag_hover{border-color:#069; box-shadow:inset 2px 2px 4px rgba(0, 0, 0, .5); color:#333;}
.upload_preview{border-top:1px solid #bbb; border-bottom:1px solid #bbb; background-color:#fff; overflow:hidden; _zoom:1;}
.upload_append_list{height:320px; padding:0 1em; float:left; position:relative;}
.upload_delete{display: inline}
.upload_image{max-height:250px; padding:5px;}
.upload_submit{padding-top:1em; padding-left:1em;}
.upload_submit_btn{display:none; height:32px; font-size:14px;}
.upload_loading{height:250px; background:url(../images/loading.gif) no-repeat center;}
.upload_progress{display:none; padding:5px; border-radius:10px; color:#fff; background-color:rgba(0,0,0,.6); position:absolute; left:25px; top:45px;}