section.alert {
    position: fixed;
    z-index: 9999;
    width: 100%;
    height: 100%;
}
section.alert div.alert-wrap {
    position: relative;
    width: 100%;
    height: 100%;
    max-width: 640px;
    background-color: rgba(0, 0, 0, 0.6);
}
div.alert-box{
    position: relative;
    width: 12rem;
    border-radius: 8px;
    overflow: hidden;
    margin-top: 2.4rem;
    padding-bottom: 0.6rem;
    background-color: #FFFFFF;
}

div.alert-box div.alert-banner-box{
    position: relative;
    width: 100%;
    height: auto;
    margin-bottom: 0.6rem;
}
div.alert-box img.close-btn{
    position: absolute;
    display: block;
    width: 0.5rem;
    height: auto;
    top: 0.3rem;
    right: 0.3rem;
    z-index: 10;
}
div.alert-box img.alert-banner{
    display: block;
    width: 100%;
    height: auto;
}
div.alert-box div.banner-desc{
    position: absolute;
    top: 0;
    left: 0;
    z-index: 9;
    width: 100%;
    height: 100%;
    color: #FFFFFF;
    padding-top: 0.6rem;
}
div.alert-box p.banner-title{
    font-size: 20px;
    line-height: 1.5;
}
div.alert-box p.banner-tips{
    font-size: 16px;
    line-height: 1.5;
}
div.alert-box div.alert-item{
    width: 100%;
    padding: 0.3rem 0.4rem;
}
div.alert-box div.star-item{
    width: 2rem;
}
div.alert-box img.star-img{
    display: block;
    width: 2rem;
    height: 2rem;
    margin-bottom: 0.2rem;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
}
div.alert-box span.star-name{
    font-size: 14px;
    color: #232323;
    line-height: 1.5;
    white-space: nowrap;
}

div.alert-box span.star-time{
    font-size: 12px;
    color: #232323;
    line-height: 1.5;
    white-space: nowrap;
}
@media screen and (max-width: 340px) {
    div.alert-box p.banner-title{
        font-size: 18px;
    }
    div.alert-box p.banner-tips{
        font-size: 14px;
    }
    div.alert-box span.star-name{
        font-size: 12px;
    }

    div.alert-box span.star-time{
        font-size: 12px;
    }
}
@media screen and (min-width: 600px) {
    div.alert-box p.banner-title{
        font-size: 24px;
    }
    div.alert-box p.banner-tips{
        font-size: 18px;
    }
    div.alert-box span.star-name{
        font-size: 18px;
    }

    div.alert-box span.star-time{
        font-size: 16px;
    }
}