:root {
  --bg: #f7f8fc;
  --card: #ffffff;
  --text: #182033;
  --muted: #5f6b85;
  --line: #dfe5f2;
  --primary: #3956d6;
  --primary-dark: #243eaf;
  --soft: #eef2ff;
  --soft-2: #edf7ff;
  --shadow: 0 18px 45px rgba(23, 35, 79, 0.08);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Noto Sans TC', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(247, 248, 252, 0.88);
  border-bottom: 1px solid rgba(223, 229, 242, 0.8);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 74px;
}
.brand {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}
.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.95rem;
}
.nav a:hover { color: var(--text); }
.nav-cta {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--primary-dark);
  font-weight: 700;
}
.hero {
  padding: 56px 0 36px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 38px;
  align-items: center;
}
.eyebrow,
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--primary-dark);
  font-size: 0.9rem;
  font-weight: 700;
}
.section-tag.light {
  background: rgba(255,255,255,0.14);
  color: #fff;
}
.hero h1,
.section h2,
.cta-box h2 {
  margin: 16px 0 14px;
  line-height: 1.15;
  letter-spacing: -0.03em;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
}
.section h2,
.cta-box h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
}
.hero-text,
.section-head p,
.card p,
.step p,
.footer-text,
.faq-list p,
.showcase-copy p,
.two-col p {
  color: var(--muted);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(41, 64, 163, 0.14);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary {
  background: #fff;
  border: 1px solid var(--line);
}
.btn-white {
  background: #fff;
  color: var(--primary-dark);
}
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  list-style: none;
  padding: 0;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.hero-points li {
  position: relative;
  padding-left: 18px;
}
.hero-points li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  transform: translateY(-50%);
}
.hero-visual {
  background: linear-gradient(180deg, #ffffff 0%, #edf3ff 100%);
  border: 1px solid rgba(223, 229, 242, 0.9);
  border-radius: 30px;
  padding: 18px;
  box-shadow: var(--shadow);
}
.trust-strip {
  padding-bottom: 30px;
}
.trust-items {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.trust-items span {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px 18px;
  text-align: center;
  color: var(--muted);
  box-shadow: 0 10px 24px rgba(23, 35, 79, 0.04);
}
.section {
  padding: 74px 0;
}
.alt-bg {
  background: linear-gradient(180deg, #fbfcff 0%, #f1f5ff 100%);
}
.two-col,
.showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 38px;
  align-items: start;
}
.section-head {
  margin-bottom: 28px;
}
.section-head.center {
  text-align: center;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card,
.step,
.quote-box,
.faq-list details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card {
  padding: 28px;
}
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--soft);
  color: var(--primary-dark);
  font-weight: 800;
  margin-bottom: 14px;
}
.card h3,
.step h3 { margin: 0 0 8px; }
.check-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}
.check-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
}
.quote-box {
  padding: 34px;
  background: linear-gradient(180deg, #ffffff 0%, #f7f9ff 100%);
}
.quote {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.55;
}
.quote-note {
  margin: 16px 0 0;
  color: var(--muted);
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.step {
  padding: 28px;
}
.step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--primary-dark);
  font-weight: 800;
  margin-bottom: 12px;
}
.faq-wrap { max-width: 880px; }
.faq-list {
  display: grid;
  gap: 16px;
}
.faq-list details {
  padding: 18px 22px;
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  padding-right: 24px;
  position: relative;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  color: var(--primary-dark);
  font-size: 1.2rem;
}
.faq-list details[open] summary::after { content: "−"; }
.faq-list p {
  margin: 12px 0 0;
}
.cta-section {
  padding-top: 20px;
  padding-bottom: 88px;
}
.cta-box {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  padding: 34px;
  border-radius: 30px;
  box-shadow: 0 18px 40px rgba(32, 52, 145, 0.22);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.cta-box p { color: rgba(255,255,255,0.82); }
.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  padding: 26px 0 34px;
}
.footer-brand,
.footer-title {
  margin: 0 0 8px;
  font-weight: 800;
}
.small { font-size: 0.95rem; }

@media (max-width: 920px) {
  .hero-grid,
  .two-col,
  .showcase,
  .footer-grid,
  .cta-box {
    grid-template-columns: 1fr;
  }
  .card-grid,
  .steps,
  .trust-items {
    grid-template-columns: 1fr;
  }
  .nav {
    display: none;
  }
  .hero {
    padding-top: 32px;
  }
}