.promo-banner{position:fixed;right:16px;bottom:16px;z-index:50;width:min(300px,calc(100vw - 32px));padding:8px;background:#fff;border:1px solid #d3d6dc;border-radius:8px;box-shadow:0 8px 28px rgba(0,0,0,.22);box-sizing:border-box}
.promo-banner-top{display:flex;align-items:center;justify-content:space-between;min-height:28px;gap:8px;color:#555;font:600 11px/1.3 system-ui,sans-serif;text-transform:uppercase;letter-spacing:.04em}
.promo-banner-close{display:grid;place-items:center;width:28px;height:28px;padding:0;border:0;border-radius:4px;background:#f1f2f4;color:#222;font:24px/1 system-ui,sans-serif;cursor:pointer}
.promo-banner-close:hover,.promo-banner-close:focus-visible{background:#e2e5e9;outline:2px solid #222;outline-offset:1px}
.promo-banner a,.promo-banner img{display:block;width:100%}
.promo-banner img{height:auto;max-height:140px;object-fit:contain;border-radius:4px}
@media(max-width:600px){.promo-banner{right:8px;bottom:max(8px,env(safe-area-inset-bottom));width:min(250px,calc(100vw - 16px))}.promo-banner img{max-height:110px}}