/* 案例自带样式：自包含，不依赖主站任何资源 */
:root {
  --ink: #1c1917;
  --paper: #fdfcfb;
  --muted: #78716c;
  --line: #e7e5e4;
  --accent: #b45309;
}

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

body {
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.7;
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.site-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.logo {
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-head nav {
  display: flex;
  gap: 18px;
}

.site-head nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.site-head nav a:hover {
  color: var(--accent);
}

.site-head nav a[aria-current='page'] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

h1 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.post {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.post:last-child {
  border-bottom: none;
}

.post h2 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 6px;
}

.post h2 a {
  color: var(--ink);
  text-decoration: none;
}

.post h2 a:hover {
  color: var(--accent);
}

.meta {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 10px;
}

.post p:last-child {
  color: #44403c;
  font-size: 15px;
}

.archive {
  list-style: none;
}

.archive li {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}

.archive time {
  color: var(--muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  flex: none;
}

.archive a {
  color: var(--ink);
  text-decoration: none;
}

.archive a:hover {
  color: var(--accent);
}

main p + p {
  margin-top: 14px;
}

main > p {
  color: #44403c;
  font-size: 15px;
}

footer {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 480px) {
  .site-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  h1 {
    font-size: 23px;
  }

  .archive li {
    flex-direction: column;
    gap: 4px;
  }
}