:root {
  --brand: #1c4e80;
  --brand-dark: #123554;
  --text-main: #2a2f36;
  --text-muted: #5b6b7a;
  --bg-soft: #f4f6f8;
  --border: #e1e6eb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Noto Sans TC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  line-height: 1.7;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

header.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand img { height: 36px; }

nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}

nav a {
  color: var(--text-main);
  font-size: 15px;
}

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

.nav-toggle { display: none; }

.hero {
  background: var(--bg-soft);
  padding: 72px 0;
  text-align: center;
}

.hero h1 {
  font-size: 34px;
  margin: 0 0 16px;
  color: var(--brand-dark);
}

.hero p {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 28px;
}

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
}
.btn-primary:hover { background: var(--brand-dark); text-decoration: none; }

.btn-secondary {
  background: #fff;
  color: var(--brand);
  border: 1px solid var(--brand);
  margin-left: 12px;
}
.btn-secondary:hover { background: var(--bg-soft); text-decoration: none; }

section.page {
  padding: 56px 0;
}

section.page h2 {
  font-size: 26px;
  color: var(--brand-dark);
  margin-bottom: 8px;
}

section.page .lead {
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 640px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
}

.card h3 {
  color: var(--brand-dark);
  margin-top: 0;
  font-size: 18px;
}

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

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.steps li {
  counter-increment: step;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px 20px;
  position: relative;
}

.steps li::before {
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
}

.steps li h3 { font-size: 16px; margin: 0 0 6px; color: var(--brand-dark); }
.steps li p { font-size: 14px; color: var(--text-muted); margin: 0; }

.faq dt {
  font-weight: 700;
  color: var(--brand-dark);
  margin-top: 20px;
}
.faq dd {
  margin: 6px 0 0;
  color: var(--text-muted);
}

.contact-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info dt {
  font-weight: 700;
  color: var(--brand-dark);
  margin-top: 16px;
}
.contact-info dd { margin: 4px 0 0; color: var(--text-muted); }

footer.site-footer {
  background: var(--brand-dark);
  color: #cfd9e3;
  padding: 32px 0;
  margin-top: 40px;
}

footer.site-footer a { color: #fff; }
footer.site-footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
}

@media (max-width: 760px) {
  nav ul { display: none; }
  .grid-3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .contact-block { grid-template-columns: 1fr; }
  .hero h1 { font-size: 26px; }
}