:root {
  --brand: #14508c;
  --brand-deep: #0b3562;
  --accent: #b8862f;
  --ink: #10233a;
  --text: #26374f;
  --muted: #6b7a90;
  --bg: #ffffff;
  --bg-soft: #f5f7fb;
  --line: #e3e8ef;
  --radius: 14px;
  --maxw: 1080px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  color: var(--ink);
  line-height: 1.35;
  margin: 0 0 12px;
  font-weight: 700;
}

h1 {
  font-size: 34px;
}
h2 {
  font-size: 26px;
}
h3 {
  font-size: 19px;
}

p {
  margin: 0 0 14px;
}

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

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--line);
}

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

.logo {
  font-weight: 800;
  font-size: 19px;
  color: var(--brand-deep);
  letter-spacing: 0.5px;
}
.logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 26px;
}
.nav-links a {
  color: var(--text);
  font-size: 15px;
}
.nav-links a:hover {
  color: var(--brand);
  text-decoration: none;
}

/* ---------- hero ---------- */
.hero {
  padding: 72px 0 56px;
  background: linear-gradient(180deg, #f5f7fb 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
}

.hero h1 {
  font-size: 40px;
  max-width: 760px;
}

.hero .lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 680px;
  margin-bottom: 28px;
}

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}
.btn:hover {
  text-decoration: none;
}
.btn-primary {
  background: var(--brand);
  color: #fff;
}
.btn-primary:hover {
  background: var(--brand-deep);
}
.btn-ghost {
  background: #fff;
  color: var(--brand);
  border-color: var(--line);
}
.btn-ghost:hover {
  border-color: var(--brand);
}

.trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 32px;
  font-size: 14px;
  color: var(--muted);
}
.trust span::before {
  content: "·";
  margin-right: 8px;
  color: var(--accent);
  font-weight: 800;
}

/* ---------- section ---------- */
.section {
  padding: 64px 0;
}
.section.soft {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.sec-head {
  margin-bottom: 36px;
  max-width: 720px;
}
.sec-head .eyebrow {
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.sec-head p {
  color: var(--muted);
  font-size: 16px;
}

/* ---------- pricing ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
}
.card.featured {
  border: 2px solid var(--brand);
  box-shadow: 0 8px 28px rgba(20, 80, 140, 0.08);
}

.card .tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: #eef3fa;
  color: var(--brand);
  margin-bottom: 14px;
}
.card.featured .tag {
  background: var(--brand);
  color: #fff;
}

.card h3 {
  margin-bottom: 4px;
}
.card .summary {
  color: var(--muted);
  font-size: 14px;
  min-height: 44px;
}

.price {
  font-size: 34px;
  font-weight: 800;
  color: var(--ink);
  margin: 14px 0 2px;
}
.price small {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
}
.price-note {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 18px;
}

.card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  font-size: 14px;
  flex: 1;
}
.card li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 9px;
}
.card li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.card .btn {
  text-align: center;
}

/* ---------- steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  counter-reset: s;
}
.step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.step .n {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}
.step h4 {
  font-size: 16px;
  margin-bottom: 6px;
}
.step p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

/* ---------- faq ---------- */
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.faq-item:last-child {
  border-bottom: none;
}
.faq-item h4 {
  font-size: 16px;
  margin-bottom: 6px;
}
.faq-item p {
  font-size: 15px;
  color: var(--muted);
  margin: 0;
}

/* ---------- contact ---------- */
.contact-box {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.contact-box .kv {
  font-size: 15px;
  margin-bottom: 12px;
}
.contact-box .kv b {
  display: block;
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 2px;
}

/* ---------- qr ---------- */
.qr-block {
  display: inline-block;
  text-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
}
.qr-block img {
  width: 132px;
  height: auto;
  display: block;
  border-radius: 8px;
}
.qr-block .qr-cap {
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 9px;
  line-height: 1.55;
}
.qr-block .qr-cap b {
  color: var(--ink);
  letter-spacing: 0.5px;
}

/* ---------- footer ---------- */
.footer-en {
  display: inline-block;
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.2px;
}

/* ---------- legal pages ---------- */
.legal {
  max-width: 820px;
  margin: 0 auto;
  padding: 56px 24px 72px;
}
.legal h1 {
  font-size: 30px;
}
.legal .meta {
  font-size: 13px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
  margin-bottom: 32px;
}
.legal h2 {
  font-size: 20px;
  margin-top: 34px;
  padding-top: 10px;
}
.legal h2 + p,
.legal h2 + ul {
  margin-top: 4px;
}
.legal ul {
  padding-left: 22px;
}
.legal li {
  margin-bottom: 8px;
}
.legal .callout {
  background: var(--bg-soft);
  border-left: 3px solid var(--accent);
  padding: 14px 18px;
  border-radius: 0 8px 8px 0;
  font-size: 15px;
  margin: 18px 0;
}

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: #fbfcfe;
  padding: 36px 0 28px;
  font-size: 14px;
  color: var(--muted);
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: flex-start;
}
.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.disclaimer {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- responsive ---------- */
@media (max-width: 720px) {
  .hero {
    padding: 48px 0 40px;
  }
  .hero h1 {
    font-size: 28px;
  }
  h1 {
    font-size: 26px;
  }
  h2 {
    font-size: 22px;
  }
  .nav-links {
    gap: 16px;
  }
  .nav-links a {
    font-size: 14px;
  }
  .contact-box {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 44px 0;
  }
}