:root {
  --bg: #f8f7f3;
  --card: #fffdf8;
  --ink: #1f1f1b;
  --muted: #6a665b;
  --line: #dfd9cb;
  --accent: #9f2a11;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: radial-gradient(circle at top right, #efe6d2 0%, var(--bg) 42%), var(--bg);
  font-family: "Source Han Serif SC", "Songti SC", "STSong", serif;
  line-height: 1.75;
}

.shell {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  padding: 38px 20px 20px;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 700;
}

.sub {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.95rem;
}

.content {
  padding: 26px 20px 48px;
}

article {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px;
}

h1,
h2,
h3 {
  line-height: 1.3;
}

h1 {
  margin: 0;
  font-size: 2rem;
}

h2 {
  margin-top: 1.8em;
}

a {
  color: var(--accent);
}

.meta {
  color: var(--muted);
  margin-top: 0.35em;
}

.post-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 14px;
}

.post-list li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
}

.post-title {
  font-size: 1.18rem;
  font-weight: 700;
  text-decoration: none;
}

.foot {
  padding: 22px 20px 32px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

code {
  background: #f2ecdf;
  padding: 0.1em 0.35em;
  border-radius: 6px;
}

pre code {
  display: block;
  overflow-x: auto;
  padding: 12px;
  border-radius: 10px;
}