/* Set 1 root: scene-driven editorial, cream + terracotta, single reading column */
:root {
  --ink: #1a2332;
  --paper: #f4efe6;
  --band: #e8dcc8;
  --clay: #c45c26;
  --clay-dark: #8f3d14;
  --line: #cbbfa8;
  --mute: #5c564c;
  --white: #fffdf8;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.85 "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
a { color: var(--clay-dark); }
.site-head {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.site-head-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 18px 22px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: Georgia, "Source Han Serif SC", serif;
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 12px;
}
.brand svg { flex: 0 0 auto; }
.nav {
  display: flex;
  gap: 28px;
  border-top: 1px solid var(--line);
  padding: 10px 0 12px;
}
.nav a {
  text-decoration: none;
  color: var(--mute);
  padding-bottom: 6px;
  border-bottom: 2px solid transparent;
}
.nav a.current {
  color: var(--clay);
  border-bottom-color: var(--clay);
}
.hero {
  background: var(--band);
  border-bottom: 1px solid var(--line);
}
.hero-inner, .wrap, .foot-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 36px 22px;
}
.hero h1 {
  font-family: Georgia, "Source Han Serif SC", serif;
  font-size: 34px;
  line-height: 1.35;
  margin: 0 0 16px;
  font-weight: 600;
}
.hero .lead { margin: 0 0 14px; color: var(--ink); }
.hero .traits {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}
.hero .traits li {
  margin: 0 0 8px;
  padding-left: 18px;
  position: relative;
}
.hero .traits li::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--clay);
  position: absolute;
  left: 0;
  top: 0.55em;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn {
  display: inline-block;
  background: var(--clay);
  color: #fff;
  text-decoration: none;
  padding: 12px 20px;
  border: 1px solid var(--clay-dark);
}
.btn:hover { background: var(--clay-dark); }
.btn-ghost {
  display: inline-block;
  text-decoration: none;
  padding: 12px 20px;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.btn-ghost:hover { background: var(--white); }
.plat { font-size: 13px; color: var(--mute); margin: 8px 0 0; }
main.wrap { padding-top: 12px; padding-bottom: 56px; }
.content-block {
  margin: 0 0 42px;
  padding: 0 0 8px;
  border-left: 4px solid var(--clay);
  padding-left: 18px;
}
.content-block h2 {
  font-family: Georgia, "Source Han Serif SC", serif;
  font-size: 24px;
  margin: 0 0 12px;
  line-height: 1.4;
}
.content-block p { margin: 0 0 12px; }
.content-block ul, .content-block ol { margin: 0 0 12px; padding-left: 22px; }
.scene-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 760px) {
  .scene-split { grid-template-columns: 1fr 1fr; }
}
.note {
  background: var(--white);
  border: 1px dashed var(--line);
  padding: 14px 16px;
  margin: 12px 0;
}
table.data {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 15px;
}
table.data th, table.data td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
table.data th { background: var(--band); }
.faq-item { margin: 0 0 18px; }
.faq-item h3 {
  font-size: 17px;
  margin: 0 0 6px;
}
.mid-cta, .end-cta {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 20px;
  margin: 28px 0 42px;
}
.site-foot {
  background: #2a261f;
  color: #e8dcc8;
  font-size: 14px;
}
.site-foot a { color: #f0c9a0; }
.foot-nav { margin: 0 0 12px; display: flex; gap: 18px; }
.safe { margin: 0 0 8px; }
.legal { margin: 0; color: #cbbfa8; }
.menu-btn { display: none; }
@media (max-width: 640px) {
  .hero h1 { font-size: 26px; }
  .menu-btn {
    display: block;
    margin: 0 0 10px;
    background: none;
    border: 1px solid var(--line);
    padding: 6px 10px;
  }
  .nav { display: none; flex-direction: column; gap: 10px; }
  .nav.open { display: flex; }
}