* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 18px;
  line-height: 1.6;
  color: #111;
  background: #fff;
  max-width: 650px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

header {
  margin-bottom: 5rem;
}

.site-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: #111;
  text-decoration: none;
}

.site-title:hover {
  text-decoration: underline;
}

.site-description {
  color: #666;
  margin-top: 0.5rem;
}

.posts article {
  margin-bottom: 1rem;
}

.posts time {
  color: #666;
  font-size: 0.9rem;
  margin-right: 1rem;
}

.posts a {
  color: #111;
  text-decoration: none;
}

.posts a:hover {
  text-decoration: underline;
}

.post header {
  margin-bottom: 2rem;
}

.post h1 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.post time {
  color: #666;
  font-size: 0.9rem;
}

.content h2, .content h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.content p {
  margin-bottom: 1rem;
}

.content a {
  color: #111;
}

.content code {
  background: #f4f4f4;
  padding: 0.2rem 0.4rem;
  font-size: 0.9em;
}

.content pre {
  background: #f4f4f4;
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1rem;
}

.content pre code {
  background: none;
  padding: 0;
}

.content ul, .content ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.content blockquote {
  border-left: 3px solid #ddd;
  padding-left: 1rem;
  color: #666;
  margin-bottom: 1rem;
}

footer {
  margin-top: 4rem;
  color: #999;
  font-size: 0.85rem;
}