:root {
  color-scheme: light;
  --bg: #f7f2e8;
  --panel: #fffdf8;
  --text: #24221d;
  --muted: #5d574d;
  --accent: #185b52;
  --line: rgba(34, 32, 27, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
}

.page {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0;
}

.hero,
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
}

.hero {
  margin-bottom: 18px;
}

.brand {
  color: var(--accent);
  font-weight: 800;
  font-size: 1.1rem;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin-bottom: 12px;
}

h2 {
  color: var(--accent);
  font-size: 1.2rem;
  margin-bottom: 8px;
}

p {
  color: var(--muted);
}

.card {
  margin-top: 14px;
}

a {
  color: var(--accent);
  font-weight: 700;
}

ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

@media (max-width: 640px) {
  .page {
    width: min(100% - 24px, 960px);
    padding: 24px 0;
  }

  .hero,
  .card {
    border-radius: 16px;
    padding: 18px;
  }

  h1 {
    font-size: 1.55rem;
  }
}