.seo-page {
  min-height: 100vh;
  margin: 0;
  background: #f7f7f3;
  color: #1f292c;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.8;
}

.seo-cta {
  margin: 28px 0;
  padding: 22px;
  border: 1px solid var(--line, #d9e0df);
  border-left: 4px solid #1f7a70;
  border-radius: 6px;
  background: #f4f7f7;
}

.seo-page .seo-cta-button,
.seo-page .seo-cta-button:visited {
  display: inline-block;
  margin-top: 8px;
  padding: 12px 18px;
  border-radius: 6px;
  background: #1f7a70;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.seo-page .seo-cta-button:hover {
  background: #145f57;
  color: #fff;
}

.seo-page .seo-cta-button:focus-visible {
  outline: 3px solid #f4c35a;
  outline-offset: 3px;
}

.seo-page main {
  width: min(100% - 32px, 960px);
  margin: 0 auto;
  padding: 44px 0 72px;
}

.seo-header {
  margin-bottom: 28px;
}

.seo-header a,
.seo-links a,
.seo-card a {
  color: #197f72;
  font-weight: 700;
  text-decoration: none;
}

.seo-header h1 {
  margin: 18px 0 12px;
  max-width: 780px;
  font-size: 38px;
  line-height: 1.25;
}

.seo-lead {
  max-width: 760px;
  color: #47575b;
  font-size: 17px;
}

.seo-card {
  padding: 28px;
  border: 1px solid #d4ddda;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 50px rgb(23 35 32 / 8%);
}

.seo-card h2 {
  margin: 32px 0 8px;
  font-size: 22px;
  line-height: 1.35;
}

.seo-card h2:first-child {
  margin-top: 0;
}

.seo-card h3 {
  margin: 22px 0 6px;
  font-size: 18px;
}

.seo-card p,
.seo-card li {
  color: #47575b;
}

.seo-card ul,
.seo-card ol {
  padding-left: 1.4em;
}

.seo-note {
  margin: 24px 0;
  padding: 18px;
  border-left: 4px solid #197f72;
  background: #f2f8f6;
  color: #334346;
}

.seo-faq h3 {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid #d9e0df;
}

.seo-faq p {
  margin-top: 4px;
}

.seo-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 24px;
}

.seo-link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.seo-link-grid a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid #d4ddda;
  border-radius: 6px;
  background: #f7faf9;
}

@media (max-width: 640px) {
  .seo-page main {
    width: min(100% - 24px, 960px);
    padding: 28px 0 48px;
  }

  .seo-header h1 {
    font-size: 30px;
  }

  .seo-card {
    padding: 20px;
  }

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