*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:flex;align-items:center;justify-content:center;background:#f3f6f3;color:#16201a;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;padding:24px}
main{max-width:520px;background:#fff;border-radius:20px;padding:36px 32px;box-shadow:0 10px 40px rgba(20,40,30,.08);text-align:left}
img{width:120px;height:auto;display:block;margin-bottom:18px}
small{display:block;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:#1B7A43;font-size:12px;margin-bottom:12px}
h1{font-size:30px;line-height:1.15;margin:0 0 12px}
p{font-size:17px;line-height:1.55;margin:0 0 10px;color:#3b4a41}
code{font-size:13px;color:#6b7a70}