/* 第1套：场景驱动 · 暖琥珀双栏 */
:root {
  --ink: #3a2a18;
  --muted: #6b5340;
  --paper: #fbf6ee;
  --panel: #fffaf2;
  --line: #e6d3b8;
  --accent: #c45c26;
  --accent-dark: #8a3d14;
  --header: #4a2c0a;
  --aside: #f3e6d2;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
}

.topbar {
  background: var(--header);
  color: #f8ecd8;
  font-size: 13px;
  padding: 6px 0;
}
.topbar .inner, .nav-row .inner, .wrap, footer .inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}
.topbar a { color: #f3c48a; }

header.site {
  background: #fff8ee;
  border-bottom: 3px solid var(--accent);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--header);
  text-decoration: none;
  font-weight: 700;
  font-size: 20px;
  font-family: "Source Han Serif SC", "Songti SC", serif;
}
.brand svg { flex-shrink: 0; }
nav.main a {
  color: var(--ink);
  text-decoration: none;
  margin-left: 22px;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}
nav.main a.current {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 700;
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 28px;
  padding: 36px 0 10px;
}
.hero-copy h1 {
  font-family: "Source Han Serif SC", "Songti SC", serif;
  font-size: 30px;
  line-height: 1.4;
  margin: 0 0 14px;
}
.lead { font-size: 16px; color: var(--muted); margin: 0 0 18px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 700;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-ghost { background: #fff; color: var(--accent-dark); border: 1px solid var(--accent); }
.hero-panel {
  background: var(--aside);
  border: 1px solid var(--line);
  padding: 18px 20px;
}
.hero-panel h2 { margin: 0 0 10px; font-size: 18px; }
.mini-list { margin: 0; padding-left: 18px; }

.layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 28px;
  padding: 10px 0 40px;
}
article.main section {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent);
  padding: 22px 24px;
  margin-bottom: 18px;
}
article.main h2 {
  font-family: "Source Han Serif SC", "Songti SC", serif;
  font-size: 22px;
  margin: 0 0 12px;
}
aside.side {
  position: sticky;
  top: 16px;
  align-self: start;
  background: var(--aside);
  border: 1px dashed var(--accent);
  padding: 18px;
}
aside.side h2 { font-size: 18px; margin-top: 0; }
.dl-stack a { display: block; margin: 8px 0; }

table.scene {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table.scene th, table.scene td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
}
table.scene th { background: #f0e0c8; }

.faq dt { font-weight: 700; margin-top: 12px; }
.faq dd { margin: 6px 0 0 0; color: var(--muted); }

footer {
  background: var(--header);
  color: #f4e6d2;
  padding: 28px 0 20px;
  font-size: 13px;
}
footer a { color: #f3c48a; }
.safe { margin-bottom: 10px; }

@media (max-width: 860px) {
  .hero, .layout { grid-template-columns: 1fr; }
  nav.main a { margin-left: 12px; }
  aside.side { position: static; }
}