/* article.tomeleaf.com —— 文章站样式(中文排版优先,支持暗色模式) */
:root {
  --fg: #24292f;
  --fg-light: #57606a;
  --bg: #ffffff;
  --card-bg: #f6f8fa;
  --border: #d0d7de;
  --accent: #0969da;
  --code-bg: #f6f8fa;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e6edf3;
    --fg-light: #9198a1;
    --bg: #0d1117;
    --card-bg: #161b22;
    --border: #30363d;
    --accent: #58a6ff;
    --code-bg: #161b22;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 1rem 1.25rem 3rem;
}

.site-head {
  border-bottom: 1px solid var(--border);
}
.site-head .site-title {
  display: block;
  max-width: 44rem;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  color: var(--fg);
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-foot {
  border-top: 1px solid var(--border);
  color: var(--fg-light);
  font-size: 0.85rem;
  text-align: center;
  padding: 1.2rem 0 2rem;
}
.site-foot a { color: var(--fg-light); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* 列表页卡片 */
.card {
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card-bg);
  margin: 1rem 0;
}
.card h2 { margin: 0 0 0.3rem; font-size: 1.2rem; line-height: 1.5; }
.card h2 a { color: var(--fg); }
.card h2 a:hover { color: var(--accent); }
.excerpt { margin: 0.4rem 0 0; color: var(--fg-light); font-size: 0.92rem; }

.meta { color: var(--fg-light); font-size: 0.85rem; margin: 0.2rem 0 0.6rem; }
.meta a { color: var(--fg-light); text-decoration: underline; text-underline-offset: 3px; }
.tag {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0 0.55em;
  margin-left: 0.35em;
  font-size: 0.75rem;
  color: var(--fg-light);
}

/* 文章页 */
.post h1 {
  font-size: 1.7rem;
  line-height: 1.5;
  margin: 1.2rem 0 0.4rem;
}
.subtitle { color: var(--fg-light); font-size: 1rem; margin: 0 0 0.5rem; }
.post h2 {
  font-size: 1.3rem;
  margin: 2.4rem 0 0.8rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
}
.post h3 { font-size: 1.1rem; margin: 1.8rem 0 0.6rem; }
.post p { margin: 0.9rem 0; }

blockquote {
  margin: 1.2rem 0;
  padding: 0.6rem 1.1rem;
  border-left: 3px solid var(--accent);
  background: var(--card-bg);
  border-radius: 0 6px 6px 0;
  color: var(--fg-light);
}
blockquote p { margin: 0.3rem 0; }

code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  background: var(--code-bg);
  border-radius: 4px;
  padding: 0.1em 0.35em;
  font-size: 0.9em;
}
pre {
  overflow-x: auto;
  padding: 0.9rem 1rem;
  border-radius: 8px;
  background: var(--code-bg);
}
pre code { background: none; padding: 0; }

.post ol, .post ul { padding-left: 1.6rem; }
.post li { margin: 0.45rem 0; }
.post hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

.empty { color: var(--fg-light); text-align: center; padding: 3rem 0; }