* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: system-ui, -apple-system, sans-serif;
  transition: background 0.3s, color 0.3s;
}
body.dark {
  background: #111;
  color: #e5e5e5;
}
body.light {
  background: #fff;
  color: #222;
}
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 50px;
}
.site-title h1 {
  font-size: 36px;
  font-weight: 500;
}
.site-title p {
  opacity: 0.6;
  margin-top: 6px;
}
.theme-btn {
  background: transparent;
  border: none;
  font-size: 26px;
  cursor: pointer;
  color: inherit;
}
nav {
  display: flex;
  gap: 30px;
  margin: 20px 0 40px;
}
nav a {
  color: inherit;
  text-decoration: none;
  font-size: 18px;
  opacity: 0.8;
}
nav a:hover {
  opacity: 1;
}
.post-item {
  margin-bottom: 40px;
}
.post-date {
  opacity: 0.5;
  font-size: 14px;
  margin-bottom: 6px;
}
.post-item h2 a {
  color: inherit;
  text-decoration: none;
}
.post-desc {
  margin-top: 8px;
  opacity: 0.7;
  line-height: 1.6;
}
.pagination {
  display: flex;
  gap: 12px;
  margin-top: 60px;
}
.pagination button {
  padding: 6px 14px;
  background: transparent;
  border: 1px solid currentColor;
  color: inherit;
  cursor: pointer;
}
/* Markdown渲染样式 */
.markdown-body h1,h2,h3 {
  margin: 24px 0 12px;
}
.markdown-body p {
  line-height: 1.8;
  margin-bottom: 16px;
}
.markdown-body code {
  padding: 2px 6px;
  border-radius: 4px;
}
.dark .markdown-body code {
  background: #272727;
}
.light .markdown-body code {
  background: #eee;
}
.markdown-body pre {
  padding: 16px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 20px 0;
}
.dark .markdown-body pre {
  background: #1e1e1e;
}
.light .markdown-body pre {
  background: #f5f5f5;
}
.markdown-body a {
  color: #409eff;
}