.fxtan::after {
    content: '';
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    background: #000;
    z-index: 999;
    opacity: 0;
    max-width: 100%;
    margin: 0 auto;
    pointer-events: none;
    transition: all ease .5s;
}

.fxtan>.p_item {
    background: #fff;
    position: fixed;
    z-index: 9999;
    padding: 20px 35px;
    width: 100%;
    bottom: -126px;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
    max-width: 768px;
    transition: all ease .5s;
}

.fxtan.cur::after {
    opacity: 0.3;
}

.fxtan.cur>.p_item {
    bottom: 0px;
}

.fenxiangclickbox {
    overflow: hidden;
    position: fixed;
    right: 35px;
    bottom: 35px;
    max-width: 60px;
    z-index: 99;
    opacity: 1;
    transition: all ease .5s;
}

.cur .fenxiangclickbox {
    bottom: -100px;
    opacity: 0;
}

.is-fxtan>.p_item {
    background: #fff;
    padding: 20px 35px;
    width: 100%;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
}

.tishitan{
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    z-index: 999999;
    background: #fff;
    border-radius: 3px;
    padding: 8px;
}