#pwa-prompt{position:fixed;right:20px;bottom:22px;z-index:10000;width:min(390px,calc(100vw - 24px));background:var(--surface,#fff);color:var(--text-primary,#253248);border:1px solid var(--line,#d9dfe7);box-shadow:0 20px 58px #0f172b30;border-radius:16px;padding:18px;font-family:Segoe UI,Arial,sans-serif}#pwa-prompt[hidden]{display:none}#pwa-prompt .pwa-head{display:flex;gap:12px;align-items:center}#pwa-prompt img{height:52px;width:52px;object-fit:contain;border-radius:12px;background:#0f172b;padding:5px}#pwa-prompt h2{font-size:17px;margin:0 0 4px}#pwa-prompt p{font-size:13px;line-height:1.55;color:var(--text-secondary,#596579);margin:9px 0}#pwa-prompt .pwa-actions{display:flex;gap:8px;margin-top:14px}#pwa-prompt button{cursor:pointer;min-height:40px;border-radius:8px;padding:8px 14px;font:600 13px Segoe UI,Arial,sans-serif}#pwa-install{background:#0065ff;color:white;border:1px solid #0065ff;flex:1}#pwa-later{background:transparent;border:1px solid var(--line,#d9dfe7);color:var(--text-primary,#253248)}#pwa-close{margin-left:auto;background:transparent;border:0;color:inherit;font-size:22px;width:32px;padding:0}@media(max-width:620px){#pwa-prompt{right:12px;bottom:12px;padding:15px;width:calc(100vw - 24px)}}