:root {
  color-scheme: light;
  --bg: #f8f6f0;
  --surface: #ffffff;
  --ink: #16201c;
  --muted: #62716b;
  --line: #d9dfd7;
  --accent: #2f6f57;
  --accent-strong: #174832;
  --soft: #e8efe8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "Noto Sans", Arial, sans-serif;
  line-height: 1.6;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1040px;
  margin: 0 auto;
  padding: 22px 24px;
}

.brand {
  color: var(--ink);
  font-size: 18px;
  font-weight: 750;
  text-decoration: none;
}

.brand span {
  color: var(--muted);
  font-weight: 650;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 15px;
}

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

nav a[aria-current="page"] {
  color: var(--accent-strong);
  font-weight: 700;
}

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px 56px;
}

.hero {
  min-height: 58vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 56px 0;
  border-top: 1px solid var(--line);
}

.page {
  max-width: 820px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1;
  letter-spacing: 0;
}

.page h1 {
  font-size: clamp(34px, 6vw, 56px);
}

h2 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.2;
}

h3 {
  margin: 24px 0 6px;
  font-size: 17px;
}

p {
  margin: 0 0 14px;
}

.lead {
  max-width: 680px;
  margin-top: 22px;
  color: var(--muted);
  font-size: 20px;
}

.updated {
  color: var(--muted);
  margin-top: 12px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--accent-strong);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.button.secondary {
  background: var(--soft);
  color: var(--accent-strong);
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding-top: 22px;
}

.content-grid article,
.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 22px;
}

.panel {
  margin-top: 18px;
}

.page-section {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.page-section h2 {
  font-size: 30px;
}

.zh {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", Arial, sans-serif;
}

footer {
  max-width: 1040px;
  margin: 0 auto;
  padding: 28px 24px 42px;
  color: var(--muted);
  font-size: 14px;
  border-top: 1px solid var(--line);
}

footer p {
  margin: 0;
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px;
  }

  main {
    padding: 0 18px 42px;
  }

  .hero {
    min-height: auto;
    padding: 44px 0;
  }

  .lead {
    font-size: 18px;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .content-grid article,
  .panel {
    padding: 18px;
  }

  footer {
    padding: 24px 18px 34px;
  }
}