.app-body{
    font-size: 62.5%;
    width: 100%;
    height: 100%;
    background: url(../images/bg.png) 100% 100% no-repeat;;
    -webkit-background-size: 100% 100%;
    background-size: 100% 100%;
    background-repeat: no-repeat;
    font-family: "Helvetica Neue", Helvetica, "Hiragino Sans GB", Arial, "Microsoft YaHei", "微软雅黑", sans-serif;
    overflow-x: hidden;
    position:fixed;
}
.col-8a{
    color:#8a745d;
}

.logo-all{
    font-weight: 300;
    margin-top:20%;
}
.int-all{
    margin:10px 0;
}
.ios-down{
    width: 90%;
    height: 18%;
    margin: 7em auto 1em;
    padding: 1% 0;
    border-radius: 3px;
}
.android-down{
    width: 90%;
    height: 100%;
    margin: 3em auto 1em;
    padding: 1% 0;
    border-radius: 3px;
}
.size-15{
    font-size: 15px;
}
.size-20{
    font-size: 20px;
}
.pad-h20{
    padding-top: 20px;
    padding-bottom: 20px;
}
.margin-h20{
    margin-top:20px;
    margin-bottom: 20px;
}
.bg-f60{
    background: #f85607;
    border-radius: 5px;
    border: 0;
    color: #fff;
    width:80%;
}
.dif-btn{
    background: #eee;
    color:#999;
}
.none{
    display: none;
}