.popup-banner-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:99999;padding:16px;opacity:0;transition:opacity .35s ease}
.popup-banner-overlay.is-visible{opacity:1}
.popup-banner-box{position:relative;max-width:min(90vw,640px);max-height:90vh;transform:translateY(8px) scale(.98);opacity:0;transition:transform .35s ease,opacity .35s ease}
.popup-banner-overlay.is-visible .popup-banner-box{transform:none;opacity:1}
.popup-banner-box img{display:block;width:100%;max-width:450px;height:auto;max-height:90vh;border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.popup-banner-box a,.popup-banner-box a img{cursor:pointer}
.popup-banner-close{position:absolute;top:-12px;right:-12px;width:36px;height:36px;border:none;border-radius:50%;background:#fff;color:#333;cursor:pointer;font-size:24px;line-height:36px;text-align:center;box-shadow:0 4px 12px rgba(0,0,0,.2)}
@media (max-width:480px){.popup-banner-close{top:-10px;right:-10px;width:32px;height:32px;line-height:32px;font-size:22px}.popup-banner-box img{max-width:250px}}