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

body {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.7;
  color: #222;
  background: #fafafa;
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

header {
  border-bottom: 2px solid #222;
  padding-bottom: 1rem;
  margin-bottom: 2rem;
}

.site-title {
  font-size: 1.6rem;
  font-weight: bold;
  text-decoration: none;
  color: #222;
}

.site-title:hover {
  color: #555;
}

.site-desc {
  font-size: 0.95rem;
  color: #555;
  margin-top: 0.3rem;
}

h2 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

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

.post-list li {
  margin-bottom: 0.6rem;
  display: flex;
  gap: 1rem;
  align-items: baseline;
}

.post-date {
  font-size: 0.85rem;
  color: #777;
  white-space: nowrap;
}

.post-list a {
  color: #1a1a8c;
  text-decoration: none;
}

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

.hint {
  font-size: 0.85rem;
  color: #666;
  margin-top: 1rem;
}

hr {
  border: none;
  border-top: 1px solid #ddd;
  margin: 2rem 0 1rem;
}

/* Post page */
.post-header {
  margin-bottom: 2rem;
}

.post-header h1 {
  font-size: 1.8rem;
  line-height: 1.3;
  margin-bottom: 0.4rem;
}

.post-meta {
  font-size: 0.85rem;
  color: #777;
}

.post-source {
  font-size: 0.85rem;
  color: #555;
  margin-top: 0.3rem;
  word-break: break-all;
}

.post-source a {
  color: #1a1a8c;
}

.post-content h1,
.post-content h2,
.post-content h3 {
  margin: 1.5rem 0 0.5rem;
}

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

.post-content blockquote {
  border-left: 4px solid #ccc;
  padding-left: 1rem;
  color: #555;
  margin: 1rem 0;
}

.post-content code {
  background: #f0f0f0;
  padding: 0.1em 0.3em;
  border-radius: 3px;
  font-size: 0.9em;
}

.back-link {
  display: inline-block;
  margin-top: 2rem;
  color: #1a1a8c;
  text-decoration: none;
  font-size: 0.9rem;
}

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

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid #ddd;
  font-size: 0.8rem;
  color: #999;
  text-align: center;
}