:root {
  color-scheme: light;
  --bg: #faf7f2;
  --paper: #fffdf9;
  --text: #2b2118;
  --muted: #6b5b4d;
  --accent: #b8742a;
  --border: #e8dfd3;
  --max: 720px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC",
    sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}

header {
  background: var(--paper);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
}

header .wrap,
main {
  max-width: var(--max);
  margin: 0 auto;
}

header h1 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

header p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

nav {
  margin-top: 0.75rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

nav a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
}

nav a:hover {
  text-decoration: underline;
}

main {
  padding: 2rem 1.5rem 3rem;
}

.card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem 1.5rem;
}

h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.15rem;
}

h2:first-child {
  margin-top: 0;
}

p,
li {
  color: var(--text);
}

.meta {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 1.5rem;
}

ul {
  padding-left: 1.25rem;
}

a {
  color: var(--accent);
}

footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem 2rem;
  color: var(--muted);
  font-size: 0.88rem;
}