:root{--color-text:#1a1a1a;--color-muted:#6b6b70;--color-page:#f7f7f8;--color-surface:#fff;--color-surface-subtle:#fafafb;--color-fill:#f0f0f1;--color-line:#e3e3e6;--color-divider:#eee;--color-line-strong:#d5d5d9;--color-control-border:#8a8a8f;--color-disabled:#a6a6a9;--color-on-dark:#fff;--color-primary-hover:#333336;--color-accent:#1d3b66;--color-accent-soft:#eef3fb;--color-accent-line:#c9d8f0;--color-success:#14652f;--color-success-soft:#d9f2e3;--color-warn:#8a5a00;--color-warn-strong:#b07a00;--color-warn-text:#6b4a00;--color-warn-soft:#fff6e5;--color-warn-line:#f0d9a8;--color-danger:#b3261e;--color-danger-text:#8a1c13;--color-danger-soft:#fdecea;--color-danger-line:#f3c3be;--color-sandbox:#4a2a7a;--color-backdrop:#1a1a1a73;--radius-sm:6px;--radius:10px;--radius-pill:999px;--focus-ring:2px solid var(--color-accent)}*{box-sizing:border-box}body{background:var(--color-page);color:var(--color-text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe 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0;border:none;padding:0;font-size:13px;text-decoration:underline}.site{flex-direction:column;min-height:100vh;display:flex}.site-main{flex:1}.site-footer{padding:20px 20px calc(20px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--color-line);color:var(--color-muted);flex-wrap:wrap;justify-content:center;gap:16px;font-size:13px;display:flex}.site-footer a{color:var(--color-accent)}.policy h2{margin-top:24px;margin-bottom:8px}.policy p{margin:0 0 10px;font-size:15px;line-height:1.6}.sandbox-strip{background:var(--color-sandbox);color:var(--color-on-dark);text-align:center;padding:8px 12px;font-size:13px}.sandbox-strip a{color:var(--color-on-dark);font-weight:600}.form-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:4px 16px;display:grid}.form-grid input[type=checkbox]{margin:0 8px 12px 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