.exchange-btn {
    float: right;
    margin-top: .22rem;
    display: block;
    width: 1.1rem;
    text-align: center;
    color: #fff;
    height: .48rem;
    line-height: .48rem;
    font-size: .24rem;
    background: #f7718a;
    border-radius: .1rem;
    -webkit-border-radius: .1rem;
}
.exchange-btn-disable {
    background-color: #999;
}
.book-profile-module .book-title .book-title-exchange { background: url(../images/exchange-icon.png) no-repeat 0 0; background-size: .31rem .38rem}
.popbox-exchange{ position: fixed; top: 50%; left: 50%;transform: translate(-50%,-50%); -webkit-transform: translate(-50%,-50%); z-index: 999; width:5.48rem; height:5.62rem; background:#fff url(../images/popbox-exchange.png) no-repeat 0 0; background-size: 100% 100%; border-radius: .2rem; -webkit-border-radius: .2rem; padding:.25rem; box-sizing:border-box;}
.exchange-classify-icon{ position:absolute; right:.32rem; top:.6rem; display:block;width:.85rem; height:.85rem; background: url(../images/exchange-classify.png) no-repeat 0 0; background-size: .85rem 2.65rem; }
.exchange-classify-icon.icon1{ background-position: 0 0}
.exchange-classify-icon.icon2{ background-position: 0 -.85rem}
.exchange-classify-icon.icon3{ background-position: 0 -1.7rem}
.book-selected{ line-height: .6rem; margin: .3rem 0 0; height:1.8rem;}
.book-selected dt{ color:#060606; font-size: .34rem; margin: 0 0 .2rem;}
.book-selected dd{ color:#2e9fff; line-height: .4rem;}
.book-selected dd.note{ color:#060606; font-size: .24rem;}
.popbox-exchange .tips-icon{ margin: .6rem 0 .4rem; display:block; width:.7rem; height:.3rem; line-height: .3rem; text-align: center; color:#fff; font-size: .24rem; background: #dcdcdc; border-radius: .13rem; -webkit-border-radius: .13rem}
.popbox-exchange .tips-list{ color:#9c9c9c; font-size: .22rem; line-height: .36rem; height:.72rem;}
.popbox-exchange .action-form{ display:-webkit-box; display:flex; justify-content:space-between; margin: .3rem 0 0}
.popbox-exchange .action-form span{ display:block; padding:0 .12rem; line-height:.6rem; font-size: .3rem;}
.popbox-exchange .action-form .label-cancel{ color:#999;}
.popbox-exchange .action-form .label-sure{ color:#2e9fff;}