.install-shell{margin:0 40px 28px;padding:18px 0;border-top:1px solid var(--line);font-size:12px;line-height:1.7;color:var(--muted)}.install-shell summary{min-height:44px;align-content:center;cursor:pointer;color:var(--text)}.install-shell p{max-width:68ch;margin:8px 0}.install-shell nav{display:flex;flex-wrap:wrap;gap:0 20px}.install-shell a{display:inline-flex;align-items:center;min-height:44px;color:var(--muted)}.install-shell a:hover{color:var(--text)}.install-shell button{margin-top:10px;min-height:44px;border:1px solid var(--line);border-radius:10px;padding:10px 16px;color:var(--text);background:var(--surface)}.install-shell [hidden]{display:none}.install-shell :focus-visible{outline:2px solid var(--pink);outline-offset:3px}@media(max-width:750px){.install-shell{margin:0 20px calc(90px + env(safe-area-inset-bottom));font-size:12px}.main-shell{padding-top:env(safe-area-inset-top);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}}