* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #172033;
  background: #f5f7fb;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.75;
}

a {
  color: inherit;
}

.topbar {
  background: #102a56;
  color: #fff;
}

.topbar-inner,
.nav,
.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  font-size: 14px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid #d8dee9;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 70px;
}

.brand {
  font-size: 22px;
  font-weight: 900;
  color: #102a56;
  text-decoration: none;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
  font-size: 14px;
}

.nav-links a {
  color: #344054;
  text-decoration: none;
}

.nav-links a.active,
.nav-links a:hover {
  color: #1f6feb;
}

.hero {
  color: #fff;
  background: linear-gradient(135deg, #071b38, #102a56 54%, #0f7d78);
}

.hero-inner {
  padding: 70px 0 78px;
}

.kicker {
  margin: 0 0 14px;
  color: #c99a2e;
  font-size: 16px;
  font-weight: 900;
}

h1 {
  max-width: 850px;
  margin: 0;
  font-size: 46px;
  line-height: 1.18;
  letter-spacing: 0;
}

.hero p {
  max-width: 760px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, .86);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 800;
}

.btn-primary {
  background: #c99a2e;
  color: #fff;
}

.btn-light {
  border: 1px solid rgba(255, 255, 255, .34);
  color: #fff;
}

.section {
  padding: 54px 0;
}

.section.white {
  background: #fff;
}

.section h2 {
  margin: 0 0 16px;
  color: #102a56;
  font-size: 30px;
  line-height: 1.25;
}

.lead {
  max-width: 800px;
  margin: 0 0 24px;
  color: #475467;
  font-size: 17px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.grid.two {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  padding: 22px;
  border: 1px solid #d8dee9;
  border-radius: 8px;
  background: #fff;
}

.card h3 {
  margin: 0 0 10px;
  color: #102a56;
  font-size: 21px;
  line-height: 1.3;
}

.card p {
  margin: 0;
  color: #475467;
}

.list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.list li {
  padding: 12px 14px;
  border: 1px solid #d8dee9;
  border-radius: 6px;
  background: #fbfcfe;
}

.faq {
  display: grid;
  gap: 14px;
}

.faq-item {
  padding: 20px;
  border: 1px solid #d8dee9;
  border-radius: 8px;
  background: #fff;
}

.faq-item h3 {
  margin: 0 0 8px;
  color: #102a56;
  font-size: 18px;
}

.faq-item p {
  margin: 0;
  color: #475467;
}

.cta {
  color: #fff;
  background: #102a56;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 40px 0;
}

.cta h2 {
  margin: 0 0 8px;
  color: #fff;
}

.cta p {
  margin: 0;
  color: rgba(255, 255, 255, .78);
}

footer {
  padding: 28px 0;
  background: #071b38;
  color: rgba(255, 255, 255, .76);
  font-size: 14px;
}

@media (max-width: 820px) {
  .topbar-inner,
  .nav,
  .cta-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  h1 {
    font-size: 34px;
  }

  .grid,
  .grid.two {
    grid-template-columns: 1fr;
  }
}