:root {
  --bg: #f7f5f1;
  --bg2: #efeae2;
  --ink: #1c1917;
  --muted: #78716c;
  --line: #e7e5e4;
  --card: #fffcf8;
  --accent: #b45309;
  --accent-soft: rgba(180, 83, 9, 0.1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Songti SC", "Noto Serif SC", serif;
  background:
    radial-gradient(900px 420px at 12% -8%, rgba(180, 83, 9, 0.08), transparent 55%),
    radial-gradient(700px 380px at 92% 8%, rgba(68, 64, 60, 0.05), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.7;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 28px 22px 48px;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.brand {
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
  letter-spacing: 0.04em;
}
.brand:hover { text-decoration: none; color: var(--accent); }
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  list-style: none;
  font-size: 14px;
}
.nav-links a { color: var(--muted); }
.nav-links a:hover,
.nav-links a.active { color: var(--ink); text-decoration: none; }
.nav-links a.active { font-weight: 600; }
main { flex: 1; }
.hero-kicker {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 18px;
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  font-weight: 700;
}
.lead {
  margin-top: 16px;
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 36em;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
.btn {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
}
.btn-primary {
  background: var(--ink);
  color: #fff;
}
.btn-primary:hover { background: #292524; text-decoration: none; color: #fff; }
.btn-ghost {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
}
.btn-ghost:hover { border-color: #d6d3d1; text-decoration: none; }
h2 {
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin: 36px 0 12px;
}
p { margin: 0 0 1em; color: #44403c; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 22px;
  margin-top: 16px;
}
.card h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.card .meta {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 10px;
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
.card p:last-child { margin-bottom: 0; }
article.card p { text-align: justify; text-justify: inter-ideograph; }
article.card h3 { font-size: 1.2rem; margin-bottom: 4px; }
.list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin-top: 12px;
}
.list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.list .name { font-weight: 600; color: var(--ink); min-width: 4.5em; }
.list .desc { color: var(--muted); font-size: 0.95rem; }
.footer {
  margin-top: auto;
  padding: 22px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: rgba(255, 252, 248, 0.7);
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.9;
}
.footer a { color: var(--muted); }
.footer a:hover { color: var(--accent); }
@media (max-width: 520px) {
  .wrap { padding: 20px 16px 36px; }
  .nav { margin-bottom: 32px; }
}