body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: #f5f6f8; color: #1d1d1f; }
.wrap { max-width: 720px; margin: 10vh auto; padding: 32px; background: #fff; border-radius: 12px; box-shadow: 0 2px 12px rgba(0,0,0,.06); }
h1 { margin-top: 0; }