.common-sign{
    position: fixed;
    top: 0;
    width: 100%;
    display: block;
    z-index: 5;
    height: 100%;
}
.common-sign .common-bg{
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.24);
}
.common-sign .common-lan{
    width: 465px;
    border-radius: 5px;
    margin: auto;
    background: #fff;
    text-align: center;
    padding-bottom: 40px;
    padding-top: 40px;
    position: absolute;
    height: 200px;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;
}
.common-sign .common-lan img{
    width: 43px;
    margin: 0 auto;
    display: block;
}
.common-sign .common-lan p{
    color: #444;
    font-size: 16px;
    margin: 40px 0;
}
.common-sign .common-lan .konw-ok{
    width: 146px;
    margin: 0 auto;
    height: 38px;
    border-radius: 4px;
    background: #f5f5f5;
    font-size: 14px;
    color: #555;
    line-height: 38px;
    border: 1px solid #e6e6e6;
    box-sizing: border-box;
    cursor: pointer;
}