:root {
  --bg: #f3ebe0;
  --ink: #2c241c;
  --muted: #6e6256;
  --brown: #8b5a2b;
  --card: #faf6ef;
  --line: rgba(44, 36, 28, 0.14);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Songti SC", "Noto Serif SC", "Georgia", serif;
  line-height: 1.7;
}
body {
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(139, 90, 43, 0.08), transparent 50%),
    radial-gradient(ellipse at 90% 100%, rgba(44, 36, 28, 0.05), transparent 45%);
}
.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 22px 80px;
}
.brand {
  margin: 0 0 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--brown);
}
h1 {
  margin: 0 0 16px;
  font-size: 28px;
  font-weight: 600;
  line-height: 1.35;
}
h2 {
  margin: 32px 0 10px;
  font-size: 18px;
  font-weight: 600;
}
.lead, .meta, p, li {
  color: var(--ink);
  font-size: 15px;
}
.lead { color: var(--muted); margin-bottom: 28px; }
.meta { margin-top: 36px; color: var(--muted); font-size: 13px; }
.updated { color: var(--muted); font-size: 13px; margin-bottom: 28px; }
.links { display: flex; gap: 18px; flex-wrap: wrap; }
a { color: var(--brown); }
ul { padding-left: 1.2em; }
li { margin-bottom: 8px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 20px 18px;
  margin: 18px 0;
}
.nav-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 28px;
  font-size: 13px;
}
.nav-top a { text-decoration: none; border-bottom: 1px solid transparent; }
.nav-top a:hover { border-bottom-color: var(--brown); }