:root {
  color-scheme: light;
  --brand: #e83a45;
  --ink: #111827;
  --muted: #64748b;
  --line: #e2e8f0;
  --page: #f6f8fb;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  grid-template-rows: 1fr auto;
  color: var(--ink);
  background: var(--page);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

main {
  width: min(760px, calc(100% - 32px));
  margin: auto;
  padding: 56px 0;
}

.brand-panel {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  color: #fff;
  background: var(--brand);
  border-radius: 8px;
  font-size: 28px;
  font-weight: 900;
}

h1, h2, p, dl, dd { margin: 0; }
h1 { font-size: 30px; }
.brand-panel p { margin-top: 4px; color: var(--muted); }

.service-panel {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.service-panel h2 { font-size: 22px; }
.service-panel > p { margin-top: 12px; color: var(--muted); line-height: 1.8; }
dl { display: grid; gap: 12px; margin-top: 24px; }
dl div { display: grid; grid-template-columns: 90px 1fr; gap: 16px; padding-top: 12px; border-top: 1px solid var(--line); }
dt { color: var(--muted); }
dd { font-weight: 600; }

footer {
  display: flex;
  justify-content: center;
  gap: 16px;
  padding: 18px 24px;
  color: var(--muted);
  background: #fff;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--brand); }

@media (max-width: 560px) {
  main { padding: 32px 0; }
  .service-panel { padding: 20px; }
  dl div { grid-template-columns: 1fr; gap: 5px; }
  footer { flex-direction: column; align-items: center; gap: 5px; }
}