:root{color:#151619;font-synthesis:none;text-rendering:optimizelegibility;--ink:#151619;--muted:#71747b;--rule:#dedfe2;--soft:#f4f5f6;--accent:#dc2924;background:#fff;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{background:#fff;min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible,summary:focus-visible{outline-offset:3px;outline:3px solid #dc292433}button:disabled{cursor:not-allowed;opacity:.38}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app-shell{flex-direction:column;min-height:100vh;display:flex}.brand-header{border-bottom:1px solid var(--rule);justify-content:space-between;align-items:center;height:76px;padding:0 clamp(24px,3.3vw,54px);display:flex}.brand-header a{color:inherit;align-items:baseline;gap:12px;text-decoration:none;display:flex}.brand-header strong{letter-spacing:-.06em;font-size:26px}.brand-header a span{letter-spacing:.18em;color:var(--muted);font-size:10px;font-weight:700}.install-button{border:1px solid var(--ink);background:var(--ink);color:#fff;cursor:pointer;align-items:center;gap:8px;min-height:38px;padding:0 13px;font-size:12px;font-weight:700;display:flex}.install-button:hover{background:var(--accent);border-color:var(--accent)}.install-button svg{width:17px;height:17px}.install-dialog-backdrop{z-index:1000;background:#1516197a;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.install-dialog{background:#fff;border:0;grid-template-columns:70px 1fr;gap:24px;width:min(100%,520px);padding:30px;display:grid;box-shadow:0 24px 70px #0000003d}.install-dialog-mark{background:var(--accent);color:#fff;place-items:center;width:70px;height:70px;font-size:39px;font-weight:800;display:grid}.install-dialog-eyebrow{color:var(--accent);letter-spacing:.14em;margin:0 0 8px;font:700 10px/1 ui-monospace,SFMono-Regular,Menlo,monospace}.install-dialog h2{letter-spacing:-.04em;margin:0;font-size:22px;line-height:1.25}.install-dialog ol{color:#555960;margin:17px 0 0;padding-left:1.35em;font-size:13px;line-height:1.8}.install-dialog>button{background:var(--ink);color:#fff;cursor:pointer;border:0;grid-column:2;justify-self:start;min-height:40px;padding:0 20px;font-size:12px;font-weight:700}.update-notice{z-index:900;border-left:3px solid var(--accent);background:var(--ink);color:#fff;align-items:center;gap:16px;width:min(430px,100vw - 44px);padding:14px 44px 14px 16px;display:flex;position:fixed;bottom:22px;right:22px;box-shadow:0 18px 50px #00000040}.update-notice 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