/* Lớp phủ toàn màn hình */
#adv-popup {
    display: none;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw;
    height: 100vh;
    z-index: 2147483647;
}

/* Nền tối phủ toàn bộ trang */
#adv-popup .background {
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.55);
    z-index: 1;
}

/* Banner nằm giữa màn hình */
#adv-popup .banner {
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%);
    width: auto;
    height: auto;
    max-width: calc(100vw - 30px);
    max-height: calc(100vh - 40px);
    z-index: 2;
}

/* Ảnh quảng cáo */
#adv-popup .banner img {
    display: block;
    width: auto;
    height: auto;
    max-width: 50vw;
    max-height: 50vh;
    /*max-width: calc(100vw - 30px);
    max-height: calc(100vh - 40px);*/
    object-fit: contain;
}

/* Nút đóng */
#adv-popup .banner .close {
    position: absolute;
    top: -12px;
    right: -12px;
    z-index: 3;
    width: 34px;
    height: 34px;
    padding: 0;
    border: 2px solid #fff;
    border-radius: 50%;
    background: #e60012;
    color: #fff;
    font-size: 25px;
    cursor: pointer;
}

@media (max-width: 480px) {
    #adv-popup .banner img {
        max-width: calc(100vw - 24px);
        max-height: 65vh;
    }
}