:root {
  --blue: #37a0bb;
  --ink: #1d2a33;
  --muted: #5f7079;
  --bg: #fbfcfd;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #e6edf1; --muted: #9fb0b8; --bg: #0f1619; }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, "PingFang SC", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
}
main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 4rem 1.25rem 3rem;
}
header { text-align: center; }
header img { height: 6rem; }
h1 {
  margin: 1rem 0 0.25rem;
  font-size: 2.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.slogan { margin: 0; color: var(--muted); }
.products {
  list-style: none;
  padding: 0;
  margin: 3rem 0 0;
  display: grid;
  gap: 1rem;
}
.products li {
  border: 1px solid color-mix(in srgb, var(--muted) 30%, transparent);
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
}
.products strong { display: block; }
.products span { color: var(--muted); }
footer {
  margin-top: 3rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}
footer a { color: inherit; }