:root{--brand:#06c}*{box-sizing:border-box}body{color:#222;margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif}.page{max-width:720px;margin:0 auto;padding:24px}header{border-bottom:3px solid var(--brand);margin-bottom:24px;padding-bottom:12px}.brand{color:var(--brand);letter-spacing:.5px;font-size:22px;font-weight:700}h1{margin:0 0 12px;font-size:28px}.muted{color:#888;font-size:14px}code{background:#f3f3f3;border-radius:4px;padding:1px 6px;font-family:Consolas,monospace}strong{color:var(--brand)}