.announcement-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}
.announcement-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
}
.announcement-popup {
    position: relative;
    z-index: 2;
    max-width: 90%;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.8);
    transition: transform 0.8s ease;
}
.announcement-image {
    display: block;
    max-width: 90vw;
    max-height: 85vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}
.announcement-close {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 35px;
    height: 35px;
    border: none;
    border-radius: 50%;
    background: white;
    color: #222;
    font-size: 28px;
    line-height: 30px;
    cursor: pointer;
    z-index: 3;
}
.announcement-modal.show {
    opacity: 1;
    visibility: visible;
}
.announcement-modal.show .announcement-popup {
    transform: scale(1);
}