.popup_bot{
    width: 100%;
    position: fixed;
    left: 0;
    bottom: 0;
    height: 90px;
    background-color: rgba(0, 0, 0, .7);
    z-index: 99999;
}
.popup_bot_tit{display: inline-block;width: 70%;padding-top: 20px;} 
.popup_bot p{color: #fff;font-size: 16px;line-height: 2;}
.popup_bot .popup_bot_btn{display: inline-block;vertical-align: text-bottom;}
.popup_bot .popup_bot_btn span{
    display: inline-block;
    width: 136px;
    height: 40px;
    line-height: 40px;
    border: 1px solid #fff;
    text-align: center;
    color: #fff;
    cursor: pointer;
}
.popup_bot .popup_bot_btn span:nth-child(1){
    margin-right: 20px;
}
.popup_bot .popup_bot_btn span:hover{
    background-color: #2f51e3;
    color: #fff;
    border: 1px solid #2f51e3;
}
.popup_bot p a{color: #2f51e3; text-decoration: underline;}