:root {
  color-scheme: light;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: #102f57;
  background: #f3f7fc;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  color: #102f57;
  background:
    linear-gradient(180deg, #ffffff 0, #f3f7fc 360px),
    #f3f7fc;
}

a {
  color: #0b62bd;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.seo-page {
  width: calc(100% - 32px);
  max-width: 1120px;
  margin: 0 auto;
}

.seo-nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.seo-brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #102f57;
  font-size: 21px;
  font-weight: 800;
}

.seo-brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.seo-nav-links {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  font-size: 14px;
  font-weight: 650;
}

.seo-nav-links .primary,
.seo-actions .primary {
  padding: 11px 17px;
  border-radius: 6px;
  color: #ffffff;
  background: #0b62bd;
  box-shadow: 0 8px 20px rgba(11, 98, 189, 0.2);
}

.seo-nav-links .primary:hover,
.seo-actions .primary:hover {
  background: #0754a5;
  text-decoration: none;
}

.seo-hero {
  padding: 74px 0 64px;
  border-top: 1px solid #e0e8f3;
}

.seo-kicker {
  margin: 0 0 14px;
  color: #0b62bd;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

.seo-hero h1 {
  max-width: 880px;
  margin: 0;
  color: #0b2e59;
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.12;
  letter-spacing: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.seo-lead {
  max-width: 800px;
  margin: 22px 0 0;
  color: #496480;
  font-size: 19px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.seo-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid #cbd9eb;
  border-radius: 6px;
  background: #ffffff;
  font-weight: 750;
}

.seo-actions a:hover {
  border-color: #0b62bd;
  text-decoration: none;
}

.seo-main {
  padding: 0 0 72px;
}

.seo-section {
  padding: 46px 0;
  border-top: 1px solid #dce6f2;
}

.seo-section h2 {
  margin: 0 0 16px;
  color: #0b2e59;
  font-size: 30px;
  line-height: 1.3;
  letter-spacing: 0;
}

.seo-section h3 {
  margin: 0 0 10px;
  color: #123b6d;
  font-size: 19px;
  letter-spacing: 0;
}

.seo-section p,
.seo-section li,
.seo-section td,
.seo-section th {
  color: #496480;
  font-size: 16px;
  line-height: 1.75;
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.seo-card {
  min-height: 172px;
  padding: 22px;
  border: 1px solid #d2dfef;
  border-radius: 7px;
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(31, 66, 105, 0.06);
}

.seo-card p {
  margin: 0;
  font-size: 14px;
}

.seo-table-wrap {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid #d2dfef;
  border-radius: 7px;
  background: #ffffff;
}

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

.seo-table th,
.seo-table td {
  padding: 14px 16px;
  border-bottom: 1px solid #e4ebf4;
  text-align: left;
}

.seo-table th {
  color: #123b6d;
  background: #f3f7fc;
  font-weight: 750;
}

.seo-table tr:last-child td {
  border-bottom: 0;
}

.seo-steps {
  margin: 20px 0 0;
  padding-left: 22px;
}

.seo-steps li {
  padding: 5px 0;
}

.seo-faq details {
  padding: 18px 0;
  border-bottom: 1px solid #dce6f2;
}

.seo-faq summary {
  color: #123b6d;
  font-size: 17px;
  font-weight: 750;
  cursor: pointer;
}

.seo-faq details p {
  margin: 12px 0 0;
}

.seo-footer {
  padding: 28px 0 36px;
  border-top: 1px solid #dce6f2;
  color: #607894;
  font-size: 13px;
}

.seo-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.seo-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.site-index-links {
  margin-top: 32px;
  padding: 24px max(24px, calc((100vw - 1640px) / 2));
  border-top: 1px solid #d6e2f0;
  background: #ffffff;
  color: #4f6884;
  font-size: 13px;
  line-height: 1.7;
}

.site-index-links strong {
  color: #153b68;
}

.site-index-links nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 7px;
}

@media (max-width: 820px) {
  .seo-page {
    width: calc(100% - 24px);
    max-width: 1120px;
  }

  .seo-nav {
    align-items: flex-start;
    padding: 14px 0;
  }

  .seo-nav-links {
    display: none;
  }

  .seo-hero {
    padding: 52px 0 48px;
  }

  .seo-hero h1 {
    font-size: 36px;
  }

  .seo-lead {
    font-size: 17px;
  }

  .seo-grid {
    grid-template-columns: 1fr;
  }

  .seo-footer-row {
    align-items: flex-start;
    flex-direction: column;
  }
}