/* 拾光笔记 - 博客样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: #fafafa;
  color: #333;
  line-height: 1.75;
}
a { color: #0366d6; text-decoration: none; }
a:hover { text-decoration: underline; }

header {
  background: #fff;
  border-bottom: 1px solid #eaeaea;
  padding: 16px 0;
}
.header-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.site-title { font-size: 1.4em; font-weight: 700; color: #222; }
.site-title a { color: #222; }
.site-title a:hover { text-decoration: none; }
nav a { margin-left: 18px; color: #666; font-size: 0.95em; }

main { max-width: 720px; margin: 0 auto; padding: 32px 20px; }
.post { background: #fff; border: 1px solid #eaeaea; border-radius: 8px; padding: 20px 24px; margin-bottom: 18px; }
.post h2 { font-size: 1.2em; margin-bottom: 6px; }
.post h2 a { color: #222; }
.post .date { color: #999; font-size: 0.85em; margin-bottom: 8px; }
.post p { color: #555; font-size: 0.95em; }

article { background: #fff; border: 1px solid #eaeaea; border-radius: 8px; padding: 28px 32px; }
article h1 { font-size: 1.6em; margin-bottom: 8px; color: #222; }
article .date { color: #999; font-size: 0.85em; margin-bottom: 20px; }
article h2 { font-size: 1.25em; margin: 24px 0 10px; color: #333; }
article p { margin-bottom: 14px; color: #444; }
article ul, article ol { margin: 0 0 14px 24px; color: #444; }
.back { display: inline-block; margin-bottom: 20px; font-size: 0.9em; }

footer {
  max-width: 720px;
  margin: 40px auto 24px;
  padding: 0 20px;
  color: #aaa;
  font-size: 0.85em;
  text-align: center;
}

@media (max-width: 480px) {
  .header-inner { flex-direction: column; gap: 8px; }
  nav a { margin-left: 0; margin-right: 16px; }
}