body {
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
  background: #fafafa;
  color: #333;
  margin: 0;
  padding: 0;
}

.blog-container {
  max-width: 800px;
  margin: 40px auto;
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.blog-title {
  font-size: 28px;
  color: #2c3e50;
  margin-bottom: 20px;
  text-align: center;
}

.blog-intro {
  font-size: 18px;
  color: #555;
  margin-bottom: 25px;
  text-align: justify;
}

h2 {
  font-size: 22px;
  margin-top: 25px;
  color: #251ea5;
}

p {
  margin: 12px 0;
  text-align: justify;
}

a {
  color: #3498db;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.toc {
  background: #f9f9f9;
  border-left: 4px solid #cbd638;
  padding: 15px 20px;
  margin: 25px 0;
  border-radius: 8px;
}

.toc h2 {
  font-size: 20px;
  margin-top: 0;
  color: #2c3e50;
}

.toc ul {
  list-style: none;
  padding-left: 0;
}

.toc ul li {
  margin: 8px 0;
}

.toc ul li a {
  color: #3498db;
  font-weight: 500;
}

.toc ul li a:hover {
  text-decoration: underline;
}

html {
  scroll-behavior: smooth;
}

html {
  scroll-behavior: smooth;
}

.toc ul li a.active {
  color: #e74c3c;
  font-weight: bold;
  border-left: 3px solid #e74c3c;
  padding-left: 6px;
}

.site-footer{
  margin-top: 28px;
  padding: 22px 0;
}
.footer-inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 18px;
  flex-wrap:wrap;
}
.footer-nav a{
  margin-left: 12px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}
.small{ font-size: 12px; color: #9aa0ab; margin-top:6px; }