.ad-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.ad-content {
    position: relative;
    width: 80%;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
}

.ad-content image {
    width: 100%;
    height: 300rpx;
}

.close-btn {
    position: absolute;
    top: 10rpx;
    right: 10rpx;
    width: 40rpx;
    height: 40rpx;
    background: #ccc;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30rpx;
    color: #fff;
}