:root {
  --ink: #191817;
  --muted: #746d63;
  --paper: #f5f0e8;
  --panel: #fffaf2;
  --line: #d8cbb8;
  --red: #8e2f2c;
  --gold: #bd8b3d;
  --shadow: 0 18px 50px rgba(50, 32, 15, .1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: radial-gradient(circle at 15% 0%, #fffaf1 0, var(--paper) 42%, #eee5d8 100%);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}
a { color: var(--red); text-decoration: none; }
a:hover { text-decoration: underline; }
.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.topbar { border-bottom: 1px solid var(--line); background: rgba(255, 250, 242, .9); backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 5; }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); font-weight: 800; letter-spacing: .04em; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid var(--gold); color: var(--red); font-family: Georgia, serif; font-size: 20px; transform: rotate(45deg); }
.brand-mark span { transform: rotate(-45deg); }
.nav-links { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--red); }
.hero { padding: 88px 0 70px; }
.eyebrow { color: var(--red); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { font-family: Georgia, "Times New Roman", serif; line-height: 1.15; }
h1 { max-width: 780px; margin: 14px 0 20px; font-size: clamp(42px, 8vw, 82px); letter-spacing: -.035em; }
h2 { margin: 0 0 14px; font-size: clamp(28px, 4vw, 42px); }
h3 { margin: 0 0 8px; font-size: 22px; }
.lede { max-width: 680px; color: var(--muted); font-size: 19px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-block; padding: 11px 17px; border: 1px solid var(--red); background: var(--red); color: #fffaf2; font-weight: 700; }
.button.secondary { color: var(--red); background: transparent; }
.topic-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.topic-tabs a { padding: 7px 12px; border: 1px solid var(--line); background: rgba(255, 250, 242, .72); color: var(--muted); font-size: 13px; font-weight: 700; }
.topic-tabs a:hover { border-color: var(--gold); color: var(--red); text-decoration: none; }
.notice { margin: 26px 0 0; padding: 14px 16px; border-left: 3px solid var(--gold); color: var(--muted); background: rgba(255, 250, 242, .65); }
.section { padding: 30px 0 76px; }
.section-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 22px; }
.section-head p { max-width: 520px; margin: 0; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card { display: flex; min-height: 170px; flex-direction: column; justify-content: space-between; padding: 22px; border: 1px solid var(--line); background: rgba(255, 250, 242, .78); box-shadow: var(--shadow); }
.card p { margin: 0; color: var(--muted); }
.card .label { margin-bottom: 18px; color: var(--gold); font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.prose { max-width: 800px; padding: 54px 0 82px; }
.prose h1 { max-width: none; margin-top: 10px; font-size: clamp(40px, 7vw, 68px); }
.prose h2 { margin-top: 42px; font-size: 32px; }
.prose p, .prose li { color: #514b43; }
.prose ul, .prose ol { padding-left: 24px; }
.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 26px 0; }
.fact { padding: 17px; border-top: 2px solid var(--gold); background: var(--panel); }
.fact strong { display: block; font-family: Georgia, serif; font-size: 22px; }
.source { margin-top: 34px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.footer { padding: 30px 0 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.footer p { margin: 4px 0; }
@media (max-width: 760px) {
  .shell { width: min(100% - 28px, 620px); }
  .nav { align-items: flex-start; flex-direction: column; padding: 16px 0; }
  .nav-links { gap: 10px 14px; }
  .hero { padding: 54px 0 42px; }
  .grid, .facts { grid-template-columns: 1fr; }
  .card { min-height: 138px; }
}