:root {
  color-scheme: light;
  --bg: #f7f7f4;
  --ink: #202124;
  --muted: #696d72;
  --line: #d9d9d2;
  --panel: #ffffff;
  --accent: #146c75;
  --accent-2: #8b3f2f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, "Microsoft JhengHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

a {
  color: inherit;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.shell.narrow {
  width: min(760px, calc(100% - 32px));
}

.hero {
  padding: 36px 0 28px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: 0;
}

.hero p:not(.eyebrow),
.narrow > p {
  max-width: 780px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
  max-width: 680px;
}

.stats div {
  min-height: 82px;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.stats strong {
  display: block;
  font-size: 28px;
  line-height: 1;
}

.stats span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.quick-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 0 8px;
}

.quick-nav a,
.back-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.group {
  padding-top: 28px;
}

.group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.group h2 {
  margin: 0;
  font-size: 22px;
}

.group-head span {
  color: var(--muted);
  font-size: 14px;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.page-link {
  display: block;
  min-height: 74px;
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  text-decoration: none;
}

.page-link:hover,
.quick-nav a:hover,
.back-link:hover {
  border-color: var(--accent);
}

.page-link strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 15px;
  line-height: 1.35;
}

.page-link span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 860px) {
  .link-grid,
  .stats {
    grid-template-columns: 1fr;
  }
}