.popover {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1060;
    /* display: none; */
    max-width: 276px;
    padding: 1px;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 14px;
    font-style: normal;
    font-weight: normal;
    line-height: 1.42857143;
    text-align: left;
    text-align: start;
    text-decoration: none;
    text-shadow: none;
    text-transform: none;
    letter-spacing: normal;
    word-break: normal;
    word-spacing: normal;
    word-wrap: normal;
    white-space: normal;
    background-color: #fff;
    -webkit-background-clip: padding-box;
    background-clip: padding-box;
    border: 1px solid #ccc;
    border: 1px solid rgba(0, 0, 0, .2);
    border-radius: 6px;
    -webkit-box-shadow: 0 5px 10px rgba(0, 0, 0, .2);
    box-shadow: 0 5px 10px rgba(0, 0, 0, .2);
    line-break: auto;
}

.ios .popover-angle.on-bottom {
    left: 0;
    top: 100%;
}
.reader-save2screen-popover .popover-angle {
    width: 26px;
    height: 26px;
    margin: 0 -13px;
    left: 50%!important;
}

.ios .popover-angle, .ios .popover-angle:after {
    width: 26px;
    height: 26px;
    position: absolute;
    top: 0;
}
.ios .popover-angle {
    left: -16px;
    z-index: 100;
    overflow: hidden;
}

/*.icon-app {*/
/*width: 32px!important;*/
/*height: 32px!important;*/
/*margin-right: 10px;*/
/*background: transparent url(/img/download.jpeg) no-repeat 50%/100%!important;*/
/*}*/

.reader-save2screen-popover {
    /* display: none; */
    position: fixed;
    width: auto;
    margin: 16px;
    top: auto;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 16px;
    z-index: 13001;
}

.popover-backdrop.backdrop-in {
    visibility: visible;
    opacity: 1;
}
.popover-backdrop {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,.4);
    z-index: 13000;
    transition-duration: .4s;
}
body, button, input, select, textarea {
    font-size: 12px;
    font-family: "微软雅黑";
}

.ios .popover-angle.on-bottom:after {
    left: 0;
    top: -19px;
}
.ios .popover-angle:after {
    content: "";
    background: hsla(0,0%,100%,.95);
    left: 0;
    border-radius: .03px;
    transform: rotate(45deg);
}
.ios .popover-angle, .ios .popover-angle:after {
    width: 26px;
    height: 26px;
    position: absolute;
    top: 0;
}