body {
  margin: 0;
  background: #f6f5f1;
  color: #1f2f28;
  font-family: "Noto Sans TC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.7;
}

a {
  color: #047857;
}

.site-shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}

.site-nav,
.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.site-nav {
  justify-content: flex-start;
}

.site-footer {
  justify-content: space-between;
}

.site-nav a,
.site-footer a,
.button-link {
  min-height: 40px;
  border: 1px solid rgba(4, 120, 87, 0.22);
  border-radius: 8px;
  padding: 8px 12px;
  background: #ffffff;
  color: #065f46;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  border-color: rgba(4, 120, 87, 0.45);
  background: #ecfdf5;
}

code {
  border: 1px solid rgba(15, 118, 110, 0.16);
  border-radius: 6px;
  padding: 0.1rem 0.35rem;
  background: #f0fdfa;
  color: #134e4a;
}

.hero {
  margin: 32px 0 24px;
  padding: 32px;
  border: 1px solid rgba(4, 120, 87, 0.18);
  border-radius: 18px;
  background:
    radial-gradient(circle at top left, rgba(187, 247, 208, 0.72), transparent 34rem),
    linear-gradient(135deg, #ffffff, #ecfdf5);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

.eyebrow {
  margin: 0 0 10px;
  color: #047857;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 860px;
  margin: 0;
  color: #12372a;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.1;
}

h2 {
  margin-top: 0;
  color: #064e3b;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.25;
}

h3 {
  color: #166534;
}

.lead {
  max-width: 820px;
  color: #3f4f46;
  font-size: 1.08rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  border: 1px solid rgba(15, 118, 110, 0.14);
  border-radius: 14px;
  padding: 20px;
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
}

.card ul {
  padding-left: 1.25rem;
}

.notice {
  border-left: 5px solid #059669;
  padding: 16px 18px;
  background: #ecfdf5;
  color: #164e36;
}

.guide-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.guide-meta li {
  border: 1px solid rgba(4, 120, 87, 0.18);
  border-radius: 8px;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.72);
  color: #315145;
  font-size: 0.95rem;
  font-weight: 700;
}

.guide-list {
  display: grid;
  gap: 14px;
  margin: 18px 0;
}

.guide-list a {
  display: block;
  border: 1px solid rgba(15, 118, 110, 0.14);
  border-radius: 12px;
  padding: 16px;
  background: #ffffff;
  color: #0f513d;
  text-decoration: none;
}

.guide-list strong {
  display: block;
  margin-bottom: 4px;
  color: #064e3b;
  font-size: 1.05rem;
}

.checklist,
.steps {
  padding-left: 1.35rem;
}

.checklist li,
.steps li {
  margin: 0.4rem 0;
}

.table-like {
  overflow-x: auto;
  border: 1px solid rgba(15, 118, 110, 0.14);
  border-radius: 12px;
  background: #ffffff;
}

.table-like table {
  width: 100%;
  border-collapse: collapse;
}

.table-like th,
.table-like td {
  border-bottom: 1px solid rgba(15, 118, 110, 0.12);
  padding: 12px;
  text-align: left;
  vertical-align: top;
}

.table-like tr:last-child th,
.table-like tr:last-child td {
  border-bottom: 0;
}

.table-like th {
  color: #064e3b;
  white-space: nowrap;
}

.muted {
  color: #5f6f66;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.site-footer {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid rgba(15, 23, 42, 0.1);
}

@media (max-width: 640px) {
  .site-shell {
    padding: 20px 14px 40px;
  }

  .hero {
    padding: 24px 18px;
  }
}