/* 第1套：场景驱动 · 暖橙单栏条带 */
:root {
  --bg: #fff8f0;
  --ink: #2b2118;
  --muted: #6b5344;
  --brand: #e85d04;
  --brand-dark: #c44902;
  --band: #ffe8d2;
  --line: #f0d2b8;
  --card: #ffffff;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  font-size: 16px;
}
a { color: var(--brand-dark); }
img { max-width: 100%; }
.wrap { width: min(860px, calc(100% - 40px)); margin: 0 auto; }
.site-header {
  background: var(--brand);
  color: #fff;
  padding: 18px 0 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  padding: 0 0 14px;
}
.brand svg { display: block; }
.nav {
  background: #9a3b02;
  display: flex;
  gap: 0;
}
.nav a {
  color: #ffe8d2;
  text-decoration: none;
  padding: 12px 22px;
  font-size: 15px;
}
.nav a.current, .nav a:hover { background: var(--brand); color: #fff; }
.hero {
  padding: 48px 0 36px;
}
.hero h1 {
  font-size: 34px;
  line-height: 1.35;
  margin: 0 0 16px;
}
.lead { color: var(--muted); font-size: 17px; margin: 0 0 22px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 22px; }
.chips span {
  background: var(--band);
  border: 1px solid var(--line);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
}
.btn:hover { background: var(--brand-dark); }
.btn-ghost {
  background: transparent;
  color: var(--brand-dark);
  border: 1px solid var(--brand);
}
.band {
  padding: 36px 0;
}
.band-alt { background: var(--band); }
.band h2 { font-size: 24px; margin: 0 0 14px; }
.scene-list { margin: 0; padding: 0; list-style: none; }
.scene-list li {
  background: var(--card);
  border-left: 6px solid var(--brand);
  padding: 14px 16px;
  margin: 0 0 12px;
}
table.plain {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
}
table.plain th, table.plain td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
}
table.plain th { background: #ffd7b0; }
.faq dt { font-weight: 700; margin: 16px 0 6px; }
.faq dd { margin: 0 0 8px; color: var(--muted); }
.dl-grid { display: grid; gap: 12px; }
.dl-grid a.btn { text-align: center; }
.site-footer {
  background: #2b2118;
  color: #f3e6da;
  padding: 28px 0;
  font-size: 13px;
  margin-top: 20px;
}
.site-footer p { margin: 0 0 8px; }
.site-footer a { color: #ffd7b0; }
@media (max-width: 720px) {
  .hero h1 { font-size: 26px; }
  .nav { flex-wrap: wrap; }
}