.pwa-update{position:fixed;bottom:20px;right:20px;z-index:150;max-width:calc(100vw - 40px);padding:14px 18px;display:flex;align-items:center;gap:20px;color:#dbe8ef;background:#173141;border:1px solid #6f94a7;border-radius:9px;box-shadow:0 10px 40px #0006;font:12px/1.7 Segoe UI,Microsoft YaHei,sans-serif}.pwa-update button{cursor:pointer;border:1px solid #7fa6b9;border-radius:5px;padding:8px 12px;min-height:40px;background:#c0dbe5;color:#162b38;font:inherit;white-space:nowrap}.pwa-update button:focus-visible{outline:3px solid #a4d2df;outline-offset:4px}