* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: Georgia, 'Times New Roman', serif;
  color: #000;
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
.page { max-width: 1200px; margin: 0 auto; padding: 50px 32px 80px; }
header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 48px; border-bottom: 1px solid #eee; padding-bottom: 12px; }
.header-left { display: flex; align-items: center; gap: 12px; }
.avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.site-title { font-size: 20px; font-weight: 700; color: #000; text-decoration: none; letter-spacing: -0.3px; }
.site-title:hover { opacity: 0.7; }
nav { display: flex; flex-wrap: wrap; gap: 6px 14px; justify-content: flex-end; }
nav a { font-size: 14px; color: #555; text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.15s; white-space: nowrap; }
nav a:hover { color: #000; border-bottom-color: #000; }
@media (max-width: 700px) {
  header { flex-direction: column; gap: 12px; }
  nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 12px; }
}
h1 { font-size: 32px; font-weight: 700; margin-bottom: 4px; letter-spacing: -0.5px; }
.subtitle { color: #666; font-size: 16px; margin-bottom: 40px; }
.post-list { display: flex; flex-direction: column; gap: 28px; }
.post-item { border-bottom: 1px solid #eee; padding-bottom: 24px; }
.post-item:last-child { border-bottom: none; }
.post-date { font-size: 13px; color: #888; margin-bottom: 4px; }
.post-title { font-size: 22px; font-weight: 700; }
.post-title a { color: #000; text-decoration: none; }
.post-title a:hover { text-decoration: underline; }
.post-excerpt { font-size: 15px; color: #444; margin-top: 6px; line-height: 1.6; }
.post-tag { display: inline-block; font-size: 11px; color: #666; background: #f5f5f5; padding: 2px 10px; border-radius: 12px; margin-top: 6px; }
.post-content { font-size: 17px; line-height: 1.8; color: #1a1a1a; max-width: 740px; }
.post-content h2 { font-size: 24px; margin: 36px 0 12px; font-weight: 700; }
.post-content p { margin-bottom: 16px; }
.post-content ul, .post-content ol { margin: 12px 0 16px 24px; }
.post-content li { margin-bottom: 6px; }
.post-content code { font-family: 'Courier New', monospace; font-size: 14px; background: #f5f5f5; padding: 1px 5px; border-radius: 3px; }
.post-content pre { background: #f5f5f5; padding: 16px; border-radius: 6px; overflow-x: auto; font-size: 14px; margin: 16px 0; }
.post-content blockquote { border-left: 3px solid #ddd; padding-left: 16px; color: #555; margin: 16px 0; font-style: italic; }
.post-meta { margin-bottom: 32px; color: #888; font-size: 14px; }
.back-link { display: inline-block; margin-bottom: 32px; color: #555; text-decoration: none; font-size: 14px; }
.back-link:hover { color: #000; }
footer { margin-top: 60px; padding-top: 20px; border-top: 1px solid #eee; font-size: 13px; color: #999; }