:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1c1c1e;
  --muted: #6b6b70;
  --rule: #e4e4e7;
  --accent: #d6336c;
  --card: #fafafa;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111113;
    --fg: #ececf1;
    --muted: #9a9aa2;
    --rule: #2a2a2e;
    --accent: #ff6b9d;
    --card: #17171a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC",
    "PingFang TC", "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}

header {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 28px;
  margin-bottom: 40px;
}

.eyebrow {
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 10px;
}

h1 {
  font-size: 32px;
  line-height: 1.25;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

.dates {
  font-size: 15px;
  color: var(--muted);
  margin: 0;
}

.langs {
  margin-top: 20px;
  font-size: 15px;
}

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

.langs span { color: var(--muted); }

h2 {
  font-size: 21px;
  margin: 44px 0 12px;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 17px;
  margin: 28px 0 8px;
}

p { margin: 0 0 16px; }

ul { padding-left: 22px; margin: 0 0 16px; }

li { margin-bottom: 10px; }

a { color: var(--accent); text-decoration: none; }

a:hover { text-decoration: underline; }

.note {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 24px 0;
}

.note p:last-child { margin-bottom: 0; }

footer {
  border-top: 1px solid var(--rule);
  margin-top: 56px;
  padding-top: 24px;
  font-size: 15px;
  color: var(--muted);
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  .wrap { padding: 36px 20px 72px; }
  h1 { font-size: 26px; }
  h2 { font-size: 19px; }
}