/* 第1套：场景驱动 — 横向色带 + 双栏 + 侧栏，酒红/米色 */
:root {
  --ink: #2a1616;
  --wine: #8b1a1a;
  --wine-deep: #5c1010;
  --gold: #c4a35a;
  --cream: #f7f1e8;
  --paper: #fffdf8;
  --line: #e4d5c0;
  --muted: #6b5344;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Songti SC", "SimSun", "Noto Serif SC", "Microsoft YaHei", serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.85;
  font-size: 16px;
}
img, svg { vertical-align: middle; }
a { color: var(--wine); text-decoration: none; }
a:hover { color: var(--wine-deep); text-decoration: underline; }
.topbar {
  background: var(--wine-deep);
  color: #f3e6c8;
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 8px 0;
}
.topbar .wrap { display: flex; justify-content: space-between; }
.brand-bar {
  background: var(--wine);
  color: #fff;
  border-bottom: 4px solid var(--gold);
}
.brand-bar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}
.logo {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.12em;
}
.logo:hover { color: var(--gold); text-decoration: none; }
.nav a {
  color: #f7e7c8;
  margin-left: 28px;
  font-size: 16px;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}
.nav a:hover, .nav a.active {
  color: #fff;
  border-bottom-color: var(--gold);
  text-decoration: none;
}
.wrap { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.hero {
  background: linear-gradient(180deg, #fffdf8 0%, #f3e6d0 100%);
  border-bottom: 1px solid var(--line);
  padding: 42px 0 36px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 36px;
  align-items: start;
}
.kicker {
  color: var(--wine);
  font-size: 13px;
  letter-spacing: 0.2em;
  margin-bottom: 10px;
}
h1 {
  font-size: 30px;
  line-height: 1.4;
  margin-bottom: 16px;
  color: var(--wine-deep);
}
.lead { font-size: 17px; color: var(--muted); margin-bottom: 22px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--wine);
  color: #fff;
  padding: 12px 22px;
  border: 1px solid var(--wine-deep);
  font-size: 16px;
}
.btn:hover { background: var(--wine-deep); color: #fff; text-decoration: none; }
.btn-ghost {
  background: transparent;
  color: var(--wine);
  border-color: var(--gold);
}
.btn-ghost:hover { background: #fff; color: var(--wine-deep); }
.dl-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 6px solid var(--gold);
  padding: 22px 20px;
}
.dl-panel h2 { font-size: 18px; margin-bottom: 10px; color: var(--wine); }
.dl-panel ul { padding-left: 18px; color: var(--muted); }
.scene-band {
  padding: 36px 0;
  border-bottom: 1px solid var(--line);
}
.scene-band.alt { background: var(--paper); }
.scene-band h2 {
  font-size: 22px;
  color: var(--wine);
  margin-bottom: 14px;
  padding-left: 12px;
  border-left: 4px solid var(--gold);
}
.layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  padding: 36px 0 48px;
}
.prose p { margin-bottom: 14px; }
.prose h2 {
  font-size: 22px;
  color: var(--wine);
  margin: 8px 0 14px;
}
.side {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 18px 16px;
}
.side h2 { font-size: 18px; color: var(--wine-deep); margin-bottom: 10px; }
.side li { margin: 8px 0 8px 18px; }
.table-wrap { overflow-x: auto; margin: 16px 0; }
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  font-size: 15px;
}
th, td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
th { background: #efe0c8; color: var(--wine-deep); }
.faq { padding: 10px 0 40px; }
.faq h2 { font-size: 22px; color: var(--wine); margin-bottom: 16px; }
.faq article {
  background: var(--paper);
  border-bottom: 1px dashed var(--line);
  padding: 14px 0;
}
.faq h3 { font-size: 17px; margin-bottom: 8px; }
footer {
  background: #3a1f14;
  color: #ead8c2;
  padding: 28px 0 22px;
  font-size: 14px;
}
footer p { margin-bottom: 8px; }
footer a { color: #f0d48a; }
.foot-nav { margin-bottom: 12px; }
.foot-nav a { margin-right: 18px; }
@media (max-width: 860px) {
  .hero-grid, .layout { grid-template-columns: 1fr; }
  .brand-bar .wrap { flex-direction: column; padding: 12px 0; }
  .nav a { margin: 8px 12px 0 0; display: inline-block; }
}