.modal{
    width :800px;
    position: absolute;
    top:200px;
    left:calc((100vw - 800px)/2);
    background:#FFFFFF;
    z-index: 1;
    display:none;
}
.modal_head{
    width:100%;
    height:55px;
    border-bottom: 1px solid #f0f0f0;
    overflow: hidden;
}
.modal_head_text{
    width:calc(100% - 75px);
    height:55px;
    line-height: 55px;
    color: #000000d9;
    font-weight: 600;
    font-size: 16px;
    float:left;
    padding-left:20px;
}
.modal_close_x{
    width:55px;
    height:55px;
    line-height: 55px;
    font-size:15px;
    text-align: center;
    float:left;
    cursor:pointer;
}
.modal_body{
    width:100%;
    max-height:500px;
    overflow-y: auto;
}
.modal_foot{
    width:calc(100% - 10px);
    height:30px;
    border-top: 1px solid #f0f0f0;
    padding:15px 0px 10px 10px;
}