.popup-overlay {
        position: fixed;
        top: 0; left: 0;
        width: 100%; height: 100%;
        background: rgba(0,0,0,0.6);
        display: none;
        align-items: center;
        justify-content: center;
        z-index: 999;
    }
    .popup-banner {
        background: #fff;
        max-width: 450px;
        width: 90%;
        padding: 20px;
        border-radius: 14px;
        text-align: center;
        box-shadow: 0 4px 25px rgba(0,0,0,0.25);
        position: relative;
        animation: popupAnim 0.35s ease;
    }
    @keyframes popupAnim {
        from { transform: scale(0.6); opacity: 0; }
        to { transform: scale(1); opacity: 1; }
    }
    .popup-close {
        position: absolute;
        top:10px; right:10px;
        background:#000;
        color:#fff;
        padding:5px 8px;
        border-radius:50%;
        cursor:pointer;
        font-size:16px;
        line-height:1;
    }
    .popup-image {
        max-width: 100%;
        border-radius:10px;
        margin-bottom:15px;
    }
    .popup-title {
        font-size: 22px;
        font-weight: 700;
        margin-bottom: 10px;
    }
    .popup-text {
        font-size: 16px;
        color: #444;
        line-height: 1.5;
    }