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

body {
  font-family: Georgia, 'Times New Roman', serif;
  line-height: 1.7;
  color: #333;
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

header {
  margin-bottom: 2rem;
  border-bottom: 1px solid #ddd;
  padding-bottom: 1rem;
}

header h1 {
  font-size: 1.8rem;
  font-weight: normal;
}

header h1 a {
  color: #333;
  text-decoration: none;
}

nav {
  margin-top: 0.5rem;
}

nav a {
  margin-right: 1rem;
  color: #555;
  text-decoration: none;
  font-size: 0.95rem;
}

nav a:hover {
  color: #000;
}

.bio {
  margin-bottom: 2.5rem;
}

.bio p {
  font-size: 1.1rem;
  color: #444;
}

h2 {
  font-size: 1.3rem;
  font-weight: normal;
  margin-bottom: 1rem;
  color: #222;
}

.post-list {
  list-style: none;
}

.post-list li {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #eee;
}

.post-list li:last-child {
  border-bottom: none;
}

.post-list a {
  font-size: 1.1rem;
  color: #1a5276;
  text-decoration: none;
}

.post-list a:hover {
  text-decoration: underline;
}

.post-date {
  font-size: 0.85rem;
  color: #888;
  display: block;
  margin-top: 0.25rem;
}

.post-summary {
  font-size: 0.95rem;
  color: #555;
  margin-top: 0.25rem;
}

.post-content {
  line-height: 1.8;
}

.post-content h1 {
  font-size: 1.6rem;
  margin-bottom: 0.25rem;
}

.post-content h2 {
  font-size: 1.3rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.post-content h3 {
  font-size: 1.1rem;
  margin-top: 1.2rem;
  margin-bottom: 0.4rem;
}

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

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

.post-content code {
  background: #f4f4f4;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-size: 0.9em;
}

.post-content pre {
  background: #f4f4f4;
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  margin-bottom: 1rem;
}

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

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

.post-content img {
  max-width: 100%;
}

.back-link {
  display: inline-block;
  margin-bottom: 1.5rem;
  color: #1a5276;
  text-decoration: none;
  font-size: 0.95rem;
}

.back-link:hover {
  text-decoration: underline;
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid #ddd;
  font-size: 0.85rem;
  color: #999;
}