:root {
  color-scheme: light;
  --bg: #f7f8fa;
  --panel: #ffffff;
  --text: #111827;
  --muted: #5b6472;
  --line: #e5e7eb;
  --accent: #155e75;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(21, 94, 117, 0.08), transparent 34rem),
    var(--bg);
}

.page {
  min-height: calc(100vh - 76px);
  display: grid;
  place-items: center;
  padding: 48px 20px;
}

.hero {
  width: min(760px, 100%);
  padding: 54px 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 18px 50px rgba(17, 24, 39, 0.08);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.15;
  letter-spacing: 0;
}

.intro {
  max-width: 660px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.contact {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.contact span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #374151;
  background: #ffffff;
  font-size: 14px;
}

.footer {
  height: 76px;
  display: grid;
  place-items: center;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.footer a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.footer a:hover {
  color: var(--accent);
}

@media (max-width: 640px) {
  .page {
    align-items: start;
    padding-top: 28px;
  }

  .hero {
    padding: 34px 24px;
  }

  .intro {
    font-size: 16px;
  }
}