//更细的线
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {
    html:not([data-scale]) .am-list-body {
        border-bottom: none;
    }
    html:not([data-scale]) .am-list-body::after {
        content: '';
        position: absolute;
        background-color: #ddd;
        display: block;
        z-index: 1;
        top: auto;
        right: auto;
        bottom: 0;
        left: 0;
        width: 100%;
        height:1PX
        -webkit-transform-origin: 50% 100%;
        -ms-transform-origin: 50% 100%;
        transform-origin: 50% 100%;
        -webkit-transform: scaleY(0.5);
        -ms-transform: scaleY(0.5);
        transform: scaleY(0.5);
    }
}

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {
    html:not([data-scale]) .am-list-body {
        border-bottom: none;
    }
    html:not([data-scale]) .am-list-body::after {
        height:0PX !important;
    }

    html:not([data-scale]) .am-list-body::before {
        height:0PX !important;
    }
}