.bgbanner{background:url('../image/download/loadm.jpg') no-repeat;padding:0 220px;height:644px;}
.btn{background:#fff;width:260px;height:64px;border-radius:8px;margin-top:20px;display:block;padding-left:6px;}
.bigfont{font-size:30px;color:#fff;}
.banimg{position:absolute;top:0;bottom:0;left:0;right:0;margin:auto;width:80%;height:auto;}
.textbox{height:70%;width:100%;position:absolute;top:0;bottom:0;margin:auto;}
.sisbfont{font-size:24px;vertical-align:middle;line-height:50px;display:inline-block;color:#479239;}

@media screen and (max-width: 768px){
    #rightpad{padding-right:0;}
    .bgbanner{background:url('../image/download/load.jpg') no-repeat;padding:0;height:430px;}
    .btn{background:#fff;width:110px;height:34px;border-radius:8px;margin-top:20px;display:block;}
    .bigfont{font-size:18px;color:#fff;}
    .banimg{width:100%;}
    .sisbfont{font-size:14px;line-height:24px;}
    .imgs{height:18px;width:18px;position:relative;top:-1px;}
    .imgapple{height:20px;width:18px;position:relative;top:-1px;}
    .imgmoble{height:22px;width:16px;position:relative;top:-2px;}
}
@media screen and (min-width:768px) and (max-width:992px){
    .bgbanner{background:url('../image/download/load.jpg') no-repeat;padding:0;height:470px;}
    .btn{background:#fff;width:140px;height:64px;border-radius:8px;margin-top:20px;display:block;}
    .bigfont{font-size:22px;color:#fff;}
    .banimg{width:80%;}
    .sisbfont{font-size:14px;line-height:28px;}
}
@media screen and (min-width:992px) and (max-width:1300px){
    .bgbanner{padding:0;}
}