:root{color-scheme:dark}
body{margin:0;min-height:100vh;display:grid;place-items:center;background:#0B0C0E;color:#F0F2F4;font:15px/1.5 system-ui,sans-serif;padding:16px}
main{max-width:34ch;text-align:center}
.mark{display:inline-flex;gap:8px;align-items:center;font-weight:800;letter-spacing:-.03em;margin:0 0 12px}
.mark i{width:4px;height:20px;border-radius:4px;background:#FF5A2B}
h1{font-size:22px;margin:0 0 8px}
p{color:#969DA5;margin:0}