.app_topbg { position: relative;}
.app_topbg img { width: 100%; display: block;}
.app_topjd { position: absolute; width: 100%;}
.app_toplogo { width: 75%; margin: auto; margin-top: 15px;}
.app_toplogo img { width: 100%;}
.app_topsk { width: 95%; margin: auto; margin-top:7px; background: #fff; border-radius: 15rem; height: 38px;}
.app_topsear { width: 76%;  height: 36px; border: none; float: left; text-indent: 10px; color: #a7a7a7; border-radius: 15rem;}
.app_topan { width: 22%;border: none; float: left; height: 54px;
 background: url(../images/fdj_03.png) no-repeat  ; background-position: 68px 10px; zoom:0.70; font-size: 1.9rem; color: #fff;}