#pwa-install{position:fixed;left:14px;bottom:88px;z-index:1040;background:#15364b;color:white;border:1px solid #fff;border-radius:22px;padding:10px 16px;font:12px Arial,sans-serif;box-shadow:0 3px 12px #0002;cursor:pointer}#pwa-install[hidden],#pwa-native[hidden]{display:none!important}#pwa-guide{position:fixed;inset:0;margin:auto;width:min(420px,calc(100vw - 36px));box-sizing:border-box;padding:28px;border:0;border-radius:18px;background:white;color:#15364b;font:16px/1.6 Arial,sans-serif;max-height:85vh;overflow:auto;text-align:left}#pwa-guide::backdrop{background:#102332aa}#pwa-guide h2{font-size:22px;line-height:1.35;margin:12px 0}#pwa-guide img{border-radius:12px}#pwa-close{position:absolute;right:12px;top:8px;border:0;background:transparent;font-size:28px;color:#53646e;cursor:pointer}#pwa-guide .pwa-note{font-size:13px;color:#637680;margin:16px 0}#pwa-native{padding:12px 20px;border:0;border-radius:8px;background:#15364b;color:white;cursor:pointer}@media(display-mode:standalone){#pwa-install{display:none!important}}