body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f5f7fb;
  color: #1f2937;
  line-height: 1.65;
}
.seo-page-wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}
.seo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid #e5e7eb;
}
.seo-logo {
  font-weight: 800;
  font-size: 22px;
  color: #00bfff;
  text-decoration: none;
}
.seo-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
}
.seo-nav a {
  color: #374151;
  text-decoration: none;
}
.seo-nav a:hover {
  color: #00bfff;
}
.seo-hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.3;
}
.seo-lead {
  margin: 0 0 24px;
  font-size: 1.05rem;
  color: #4b5563;
}
.seo-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 20px 22px;
  margin-bottom: 16px;
}
.seo-card h2 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}
.seo-card p {
  margin: 0 0 10px;
}
.seo-card p:last-child {
  margin-bottom: 0;
}
.seo-cta {
  display: inline-block;
  margin-top: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  background: #00bfff;
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}
.seo-cta:hover {
  background: #00a8e6;
}
.seo-cta--outline {
  background: #fff;
  color: #00bfff;
  border: 1px solid #00bfff;
  margin-left: 8px;
}
.seo-cta--outline:hover {
  background: #f0f9ff;
}
.seo-footer {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid #e5e7eb;
  font-size: 13px;
  color: #6b7280;
}
.seo-footer a {
  color: #00bfff;
}