.bg {
    position: absolute !important;
    background: url(../img_home/bg.jpg) no-repeat 100% / 100%;
    width: 100.000000vw !important;
    height: 216.533333vw !important;
    left: 0.000000vw !important;
    top: 0.000000vw !important;
    display: block;
}

.model_bottom {
    position: absolute !important;
    width: 100vw !important;
    height: 20vw !important;
    left: 0.000000vw !important;
    top: 168vw !important;
    display: block;
    text-align: center;
}


.model_bottom .btn_begin {
    background: url(../img_home/btn_begin.png) no-repeat 100% / 100%;
    width: 62vw !important;
    height: 23.333333vw !important;
    margin: 0 0 0 19vw;
    display: block;
    transform: scale(0.8);
}