:root{color-scheme:light;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;background:#f7faf8;color:#111827}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:24px}main{width:min(560px,100%);text-align:center;background:#fff;border:1px solid #e5e7eb;border-radius:24px;padding:48px 28px;box-shadow:0 18px 50px rgba(17,24,39,.08)}.brand{margin:0 0 18px;color:#169b62;font-size:44px;font-weight:800}h1{margin:0 0 14px;font-size:clamp(24px,6vw,36px)}main>p:last-child{margin:0;color:#6b7280;line-height:1.9}