/*提示框*/
.prompt_box{
    height: 0;
    /* margin-top: .3rem; **/
    margin-left: auto;
    margin-right: auto;
    left: .4rem;
    right: .4rem;
    display: block;
    z-index: 2010;
}
.prompt_box .msg_bg{
    display: none;
    position: fixed;
    top: 4rem;
    height: .6rem;
    border-radius: .1rem;
    padding: .2rem;
    background-color: #4e4c4c;
    opacity: .95;
    -webkit-box-shadow: 0px 1px 14px #333333;
    box-shadow: 0px 1px 14px #333333;
}
.prompt_box p{
    display: none;
    font-size: .35rem;
    font-weight: bold;
    text-align: center;
    position: fixed;
    top: 4rem;
    height: 1rem;
    margin-top: .3rem;
    color: #fff;
}
.prompt_box_success{
    color: #ff9900;
}
.prompt_box_fail{
    color: #d12838;
}