.backimg{
    position: relative;
    height: 15.6px;
    width: 15.6px;
    top: -2px;
    left: 12px; ;

}
.copy-s{
    display: none;
    position: fixed;
    top: 290px;
    width: 100%;
}
.cpopy-text{
    width: auto;
    height: 28px;
    background-color: #000;
    opacity: 0.5;
    font-size:14px;
    font-family:PingFang SC;
    font-weight:bold;
    color:rgba(255,255,255,1);
    border-radius: 4px;
    text-align: center;
    padding: 20px;
    line-height: 0px;
}



/*body {
    padding-bottom: env(safe-area-inset-bottom);
}*/



/*
@supports (bottom: constant(safe-area-inset-bottom)) or (bottom: env(safe-area-inset-bottom)) {
    .tail-show {
        height: calc(71px + constant(safe-area-inset-bottom));
        height: calc(71px + env(safe-area-inset-bottom));
    }
	.showpage {
        height: calc(140px + constant(safe-area-inset-bottom));
        height: calc(140px + env(safe-area-inset-bottom));
    }
}*/

/*iPhone X   iPhone XS*/
@media only screen and (device-width: 375px) and (device-height: 812px) and (-webkit-device-pixel-ratio: 3){?

? ?body{
    ?padding-bottom: constant(safe-area-inset-bottom);
    ?padding-bottom: env(safe-area-inset-bottom);
    }

    .tail-show {
        height: calc(71px+constant(safe-area-inset-bottom));
        height: calc(71px + env(safe-area-inset-bottom));
    }
    .showpage {
        height: calc(140px + constant(safe-area-inset-bottom));
        height: calc(140px + env(safe-area-inset-bottom));
    }
}

/*iPhone XR*/
@media only screen and (device-width : 414px) and (device-height : 896px) and (-webkit-device-pixel-ratio : 2) {
    body{
        ?padding-bottom: constant(safe-area-inset-bottom);
        ?padding-bottom: env(safe-area-inset-bottom);
    }

    .tail-show {
        height: calc(71px+constant(safe-area-inset-bottom));
        height: calc(71px + env(safe-area-inset-bottom));
    }
    .showpage {
        height: calc(140px + constant(safe-area-inset-bottom));
        height: calc(140px + env(safe-area-inset-bottom));
    }
}

/*iPhone XS Max*/
@media only screen and (device-width : 414px) and (device-height : 896px) and (-webkit-device-pixel-ratio : 3) {
    body{
        ?padding-bottom: constant(safe-area-inset-bottom);
        ?padding-bottom: env(safe-area-inset-bottom);
    }

    .tail-show {
        height: calc(71px+constant(safe-area-inset-bottom));
        height: calc(71px + env(safe-area-inset-bottom));
    }
    .showpage {
        height: calc(140px + constant(safe-area-inset-bottom));
        height: calc(140px + env(safe-area-inset-bottom));
    }
}