#offline-banner{position:fixed;bottom:0;left:0;right:0;width:100%;z-index:10000;background-color:#f59e0b;color:#fff;padding:10px 16px;text-align:center;font-size:14px;font-weight:500;line-height:1.4;display:flex;align-items:center;justify-content:center;gap:8px;box-sizing:border-box}#offline-banner::before{content:"⚠\FE0F";flex-shrink:0;font-size:16px;line-height:1}@media (max-width:480px){#offline-banner{font-size:13px;padding:10px 12px}}