:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --ink: #101828;
  --muted: #667085;
  --line: #e4e7ec;
  --brand: #e94560;
  --brand-dark: #c62f48;
  --maxw: 960px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

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

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

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

header.top {
  background: var(--card);
  border-bottom: 1px solid var(--line);
}

header.top .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-weight: 800;
  font-size: 22px;
  color: var(--brand);
  text-decoration: none;
  letter-spacing: 0.5px;
}

nav a {
  color: var(--ink);
  text-decoration: none;
  margin-left: 20px;
  font-size: 15px;
}

nav a:hover {
  color: var(--brand);
}

.hero {
  padding: 72px 0 48px;
  text-align: center;
}

.hero h1 {
  font-size: 40px;
  margin: 0 0 12px;
  line-height: 1.25;
}

.hero p {
  font-size: 18px;
  color: var(--muted);
  margin: 0 auto;
  max-width: 640px;
}

.badge {
  display: inline-block;
  background: #fde8ec;
  color: var(--brand-dark);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 16px;
  margin: 32px 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

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

section {
  padding: 32px 0;
}

section h2 {
  font-size: 26px;
  margin: 0 0 16px;
}

.doc {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px;
  margin: 32px 0;
}

.doc h1 {
  font-size: 30px;
  margin: 0 0 6px;
}

.doc h2 {
  font-size: 20px;
  margin: 28px 0 8px;
}

.doc p,
.doc li {
  font-size: 15.5px;
}

.doc .meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 20px;
}

table.info {
  border-collapse: collapse;
  width: 100%;
  font-size: 15px;
}

table.info th,
table.info td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

table.info th {
  width: 160px;
  color: var(--muted);
  font-weight: 600;
}

footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 48px;
  color: var(--muted);
  font-size: 14px;
}

footer .cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

footer a {
  color: var(--muted);
  margin-right: 16px;
}

@media (max-width: 640px) {
  .hero h1 {
    font-size: 30px;
  }

  nav a {
    margin-left: 12px;
    font-size: 14px;
  }

  footer .cols {
    grid-template-columns: 1fr;
  }

  .doc {
    padding: 22px;
  }
}