.head{width:100%;height:40px;background:#2474ff;line-height:40px;vertical-align:middle;text-align:center;color:#fff}#weixin-tip{position:fixed;left:0;top:0;background:rgba(0,0,0,.8);filter:alpha(opacity=80);width:100%;height:100%;z-index:100}#weixin-tip p{text-align:center;margin-top:10%;padding:0 5%;position:relative}#weixin-tip .close{color:#fff;padding:5px;font:700 20px/20px simsun;text-shadow:0 1px 0 #ddd;position:absolute;top:0;left:5%}.container .app-logo{width:64px;margin:50px auto 20px}.info{line-height:32px;vertical-align:middle;text-align:center}.btn_download{width:200px;height:40px;display:block;margin:50px auto 0;border:1px solid #2474ff;background-color:#fff;font-size:16px;color:#2474ff}