.install-app{border:1px solid #1c2423;border-radius:999px;padding:10px 17px;background:#b8ef63;color:#1c2423;font:600 14px inherit;cursor:pointer;white-space:nowrap;min-height:44px}
.install-app[hidden]{display:none}
#install-help{max-width:460px;width:calc(100% - 40px);box-sizing:border-box;border:1px solid #d8dfcc;border-radius:24px;padding:28px;background:#f7f8f2;color:#1c2423;max-height:85dvh;overflow:auto}
#install-help::backdrop{background:#15251b99}
#install-help h2{font-size:26px;margin:0 0 16px}#install-help p{font-size:15px;line-height:1.6}
#close-install{background:#1c2423;color:white;border:0;border-radius:12px;padding:12px 24px;min-height:44px;cursor:pointer}
@media(max-width:650px){header{flex-wrap:wrap;gap:12px}.header-note{display:none}.install-app{margin-left:auto}}