.seo-page {
  margin: 0;
  color: #24272e;
  background: #f7f8fa;
  font:
    16px/1.85 system-ui,
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
}
.seo-nav,
.seo-article,
.seo-overview {
  box-sizing: border-box;
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}
.seo-nav nav,
.seo-overview nav {
  display: flex;
  gap: 12px 24px;
  flex-wrap: wrap;
}
.seo-article {
  padding-bottom: 56px;
}
.seo-article h1 {
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.4;
}
.seo-article h2,
.seo-overview h2 {
  font-size: 22px;
  line-height: 1.5;
}
.seo-article section {
  margin-top: 32px;
}
.seo-page a,
.seo-overview a {
  color: #bc2037;
  text-underline-offset: 4px;
}
.seo-brand {
  color: #656a75;
}
.seo-page .seo-action {
  display: inline-block;
  background: #c52c42;
  color: white;
  padding: 10px 24px;
  border-radius: 8px;
  text-decoration: none;
}
.seo-overview {
  font:
    15px/1.85 system-ui,
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
  color: #454b56;
  border-top: 1px solid #dfe3e9;
  padding-bottom: 40px;
}
.seo-overview h3 {
  font-size: 17px;
  margin-bottom: 4px;
}
.seo-overview p {
  margin-top: 4px;
}
@media (max-width: 600px) {
  .seo-nav,
  .seo-article,
  .seo-overview {
    padding: 20px 16px;
  }
}