.news p{font-size:17px; font-family:Microsoft YaHei;width:90%; margin-left:5%; margin-right:5%; color:#333; line-height:30px; height:auto;overflow:hidden;margin-bottom:1.2%;}
if($("#qrcode").css("display")=='block')
.foot{width:100%; height:8em; background-color:#cc5536;}