.popup-banner {
    display: none;
    /* Скрыт по умолчанию */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    z-index: 9998;
}

.popup-content {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    position: relative;
    max-width: 90%;
    max-height: 90%;
    overflow: auto;
}

.close-button {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 30px;
    cursor: pointer;
    color: #333;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    line-height: 1;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.banner-image {
    max-width: 100%;
    height: auto;
    display: block;
}

@media (min-width: 768px) {
    .popup-banner .popup-content {
        max-width: 550px;
        max-height: 90vh;
    }
}