html, body {
    background-color: rgba(0, 0, 0, .85);
}
.outer-box {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, .85);
}
.inner-box {
    width: 430px;
    height: 500px;
    background-color: #FFF;
    border-radius: 10px;
    text-align: center;
    position: absolute;
    left: 50%;
    margin-left: -215px;
    top: 50%;
    margin-top: -250px;
}
.inner-box .title {
    line-height: 52px;
    border-bottom: 1px solid #E0E0E0;
    text-align: center;
    font-size: 16px;
    color: #2B2B2B;
}
.inner-box .pic {
    width: 231px;
    height: 144px;
    margin: 0 auto;
    margin-top: 20px;
    background: url("../img/forbid-free.png");
    background-size: 100% 100%;
}
.inner-box .tips {
    line-height: 20px;
    margin-top: 20px;
    color: #262626;
    font-size: 14px;
    text-align: center;
}
.inner-box .qr-pic {
    width: 174px;
    height: 174px;
    margin: 0 auto;
    margin-top: 20px;
}