:root{color-scheme:dark light}
body{margin:0;min-height:100vh;display:grid;place-items:center;background:#0d1214;color:#e8f0ee;font:16px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Segoe UI",sans-serif}
main{width:min(420px,calc(100vw - 32px));padding:40px 0}
span{display:block;margin-bottom:20px;color:#6cdac4;font-size:12px;letter-spacing:.14em}
h1{margin:0 0 16px;font-size:34px;line-height:1.25;font-weight:650}
p{margin:0 0 28px;color:#9eb5b9}
a{display:inline-block;padding:12px 20px;border-radius:10px;background:#6cdac4;color:#0d1214;font-weight:600;text-decoration:none}
a:focus-visible{outline:2px solid #e8f0ee;outline-offset:3px}
small{display:block;margin-top:20px;color:#6f8689}
@media (prefers-color-scheme:light){body{background:#f4f7f6;color:#14201f}p{color:#4f6663}span{color:#0f7b69}a{background:#0f7b69;color:#fff}small{color:#6b7f7c}}