.main-container {
  max-width: 90%;
  margin: auto;
  padding: 2rem;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

@media (max-width: 600px) {
  .main-container {
    padding: 1rem;
  }
}

.tool-seo {
  max-width: 800px;
  margin: 2rem auto;
  padding: 2rem;
  background: white;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}
.tool-seo h2 {
  margin-bottom: 15px;
  font-size: 1.5rem;
  font-weight: 600;
}
.tool-seo p {
  margin-bottom: 25px;
  font-size: 1.05rem;
  line-height: 1.6;
}
.tool-seo ol {
  padding: 0;
  margin-left: 20px;
  margin-bottom: 30px;
  line-height: 1.6;
}
.tool-seo li {
  margin-bottom: 10px;
}
.tool-seo code {
  background: #f4f4f4;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
}

/* Related Tools */
.related-tools {
  margin: 2rem auto;
  max-width: 90%;
  padding: 0 1rem;
}
.related-tools h2 {
  text-align: center;
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  font-weight: bold;
}
.tool-category {
  margin-bottom: 2rem;
}
.tool-category h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  font-weight: 600;
}
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}
.tool-card {
  display: block;
  padding: 1.25rem;
  text-align: center;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  color: #1e1e2f;
  text-decoration: none;
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
  transition: all 0.2s ease;
}
.tool-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.08);
  border-color: #00CFC3;
}