body {
    margin: 0;
    padding: 0;
    font-family: Microsoft Yahei,Arial, Helvetica, sans-serif,宋体;
}

.Bg1 {
    background: url(/3g/images/mobile/index_02.jpg) no-repeat center;
    width: 100%;
    height: 771px;
    position: relative;
}

    .Bg1 .Url {
        position: absolute;
        top: 304px;
        left: 50%;
        width: 239px;
        height: 40px;
        margin-left: -160px;
        line-height: 40px;
        font-size: 22px;
        color: #2182cc;
    }

    .Bg1 .QRCode {
        position: absolute;
        background: #fff;
        top: 275px;
        left: 50%;
        margin-left: 245px;
        height: 100px;
        width: 100px;
    }

.Bg2 {
    background: url(/3g/images/mobile/index_03.jpg) no-repeat center;
    width: 100%;
    height: 802px;
    position: relative;
}

.Bg3 {
    background: url(/3g/images/mobile/index_04.jpg) no-repeat center;
    width: 100%;
    height: 368px;
    position: relative;
}

    .Bg3 .QRCode {
        position: absolute;
        background: #fff;
        top: 36px;
        left: 50%;
        margin-left: -99px;
        height: 100px;
        width: 100px;
    }

.Bg4 {
    background: url(/3g/images/mobile/index_05.jpg) no-repeat center;
    width: 100%;
    height: 552px;
    position: relative;
}