html[data-app-shell] .portal-footer a[href="/zh/app"]{display:none}.shell-update{z-index:60;padding:calc(env(safe-area-inset-top) + 10px) 14px 10px;color:#f7f8f4;background:#203e32;align-items:center;gap:12px;font-size:14px;display:flex;position:fixed;top:0;left:0;right:0;box-shadow:0 6px 24px #0003}.shell-update span{flex:1}.shell-update a{color:#203e32;background:#d4eb8e;border-radius:8px;padding:6px 12px;font-weight:600;text-decoration:none}.shell-update button{width:32px;height:32px;color:inherit;background:0 0;border:0;border-radius:8px;place-items:center;display:grid}