body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

header {
  margin-bottom: 40px;
  border-bottom: 1px solid #eee;
  padding-bottom: 20px;
}

header h1 {
  margin: 0;
  font-size: 2.5em;
}

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

.subtitle {
  color: #666;
  margin-top: 5px;
}

/* Navigation */
.site-nav {
  margin-top: 20px;
}

.site-nav a {
  margin-right: 20px;
  color: #666;
  font-weight: bold;
  text-decoration: none;
  font-size: 1.1em;
}

.site-nav a:hover {
  color: #333;
  text-decoration: underline;
}

a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.post-list {
  list-style: none;
  padding: 0;
}

.post-list li {
  margin-bottom: 15px;
  display: flex;
  align-items: baseline;
}

.post-list .date {
  font-family: monospace;
  color: #999;
  margin-right: 15px;
  min-width: 100px;
}

/* Category Tag */
.category-tag {
  display: inline-block;
  font-size: 0.8em;
  padding: 2px 6px;
  margin-right: 10px;
  border-radius: 4px;
  background-color: #f0f0f0;
  color: #666;
  white-space: nowrap;
}

.post-title {
  margin-top: 0;
}

.post-meta {
  color: #999;
  margin-bottom: 30px;
  font-size: 0.9em;
}

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

.post-content code {
  background: #f4f4f4;
  padding: 2px 5px;
  border-radius: 3px;
}

.post-content pre {
  background: #f4f4f4;
  padding: 15px;
  overflow-x: auto;
  border-radius: 5px;
}

/* Feishu-style Blockquote */
.post-content blockquote {
  margin: 1.5em 0;
  padding: 10px 15px;
  border-left: 4px solid #646a73; /* Feishu grey border */
  background-color: #f5f6f7; /* Light grey background */
  color: #646a73;
  border-radius: 0 4px 4px 0;
}

.post-content blockquote p {
  margin: 0.5em 0;
}

.post-content blockquote strong {
  color: #1f2329; /* Darker color for bold text in quotes */
}

footer {
  margin-top: 60px;
  border-top: 1px solid #eee;
  padding-top: 20px;
  text-align: center;
  color: #999;
  font-size: 0.8em;
}

.pagination {
  margin-top: 30px;
  text-align: center;
}

.pagination .page-number {
  display: inline-block;
  padding: 5px 10px;
  margin: 0 2px;
  border: 1px solid #eee;
  color: #333;
}

.pagination .current {
  background: #eee;
  border-color: #ddd;
}