body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  background: #fff;
  color: #1a1a1a;
}
.seo-wrapper {
    position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  /*
  display: flex;
  flex-direction: row;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  gap: 40px;*/
}
.seo-toc {
  width: 250px;
  flex-shrink: 0;
  background: #f8f9fb;
  border-radius: 12px;
  padding: 20px;
  position: sticky;
  top: 40px;
  height: max-content;
}
.seo-toc h2 {
  font-size: 14px;
  font-weight: 600;
  color: #666;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.seo-toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.seo-toc li {
  margin-bottom: 10px;
}
.seo-toc a {
  text-decoration: none;
  color: #333;
  font-size: 15px;
  display: block;
  padding: 4px 8px;
  border-radius: 6px;
}
.seo-toc a:hover,
.seo-toc a.active {
  background: #e0e7ff;
  color: #1e40af;
}

.seo-content {
  flex: 1;
}
.seo-content h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
}
.seo-content h2 {
  font-size: 22px;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 10px;
}

.seo-content section {
    padding:  0;
}
.seo-content p,
.seo-content li {
  font-size: 16px;
  line-height: 1.6;
}
.intro {
  font-size: 18px;
  color: #333;
  margin-bottom: 30px;
}

@media (max-width: 960px) {
  .seo-wrapper {
    flex-direction: column;
  }
  .seo-toc {
    width: 100%;
    position: relative;
  }
}