.bottom-float {
        display: none;
    }
    .app-footer {
        margin-bottom: 0px;
    }
    /* phone */
    @media only screen and (max-width:767px) {
        .app-footer {
            margin-bottom: 15vw;
        }
        .bottom-float {
            display: flex;
            position: fixed;
            width: 100vw;
            box-shadow: 0px 0px 1.333vw 0px #E9E9E9;
            padding-top: 1.333vw;
            padding-bottom: 1.333vw;
            padding-left: 3.2vw;
            padding-right: 3.2vw;
            bottom: 0;
            left: auto;
            z-index: 10;
            background: #fff
        }

        .bottom-float-1 .bottom-float-1-1 img {
            height: 4.533vw;
            width: 5.733vw;
        }

        .bottom-float-1 {
            display: flex;
            justify-content: center;
            width: 41.4vw;
            height: 10.8vw;
            background: #F3A20A;
            border-radius: 3.8vw;

        }

        .bottom-float-1 .bottom-float-1-1 {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .bottom-float-1 .bottom-float-1-1 div {
            margin-left: 1.333vw;
            line-height: 5.067vw;
            font-size: 16px;
            color: #fff;
        }

        .bottom-float-2 {
            width: 53.4vw;
            background: #3EB79D;
        }
        .popUp_box {
            width: 99%;
            height: 99%;
            background: rgba(0, 0, 0, .2);
            position: fixed;
            top: 0;
            left: 0;
        }
        .popUp_in {
            width: 79.8vw;
            height: 98.6vw;
            position: relative;
            top: calc(50% - 43.8vw);
            left: calc(44% - 33.4vw);
            border-radius: 20px;
        }
        .icon81 {
            width: 10.8vw;
            height: 10.8vw;
        }

        .popUp_wxNum .img_tuiguang, .img_wxLc {
            width: 99%;
            height: 32vw;
        }
        .icon54 {
            width: 7.2vw;
            height: 7.2vw;
        }
        .popUp_wx {
            width: 99%;
            /*height: 97.8vw;*/
            background: #fff;
        }
        .dffooter {
            display: flex;
            justify-content: center;
        }
        .mt24 {
            margin-top: 3.2vw;
            margin-bottom: 0px;
        }
        .tac {
            text-align: center;
        }
        .fs27 {
            font-size: 3.6vw;
        }
        .fs24 {
            font-size: 3.2vw;
        }
        .fwb {
            font-weight: bold;
        }
        .cBlue {
            color: #2CB1FF;
        }
        .cGreen {
            color: #49C066;
            font-size: 4vw;
        }
        .btn_open {
            width: 27vw;
            height: 6.8vw;
            line-height: 6.8vw;
            box-shadow: none;
        }
        .btn_open {
            background: #49c066;
            color: #fff;
            box-shadow: 0 .4vw 1.6vw 1.6vw rgba(62, 183, 157, .3);
        }
        .br24 {
            border-radius: 3.2vw;
        }
        .pdlr48 {
            padding-left: 6.8vw;
            padding-right: 6.8vw;
            padding-bottom: 6.8vw;
        }
        .mt36 {
            margin-top: 4.8vw;
        }
    }