/* Set 3 — zh: teal/cream editorial, serif headings, full-bleed bands, 2x2 tiles */
:root {
  --teal: #0b6e6b;
  --teal-2: #094f4d;
  --cream: #f4efe6;
  --paper: #fffdf8;
  --ink: #2a261f;
  --muted: #6b6458;
  --line: #d9d1c4;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font: 17px/1.85 "Microsoft YaHei", "PingFang SC", serif;
}
a { color: var(--teal); }
.wrap { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }
.site-header { background: var(--paper); border-bottom: 3px solid var(--teal); }
.header-inner { min-height: 84px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 14px 0; }
.brand { color: var(--teal-2); font-family: "Palatino Linotype", "Songti SC", serif; font-size: 26px; letter-spacing: 0.08em; text-decoration: none; display: flex; align-items: center; gap: 10px; }
.nav { display: flex; gap: 28px; }
.nav a { color: var(--ink); text-decoration: none; letter-spacing: 0.12em; font-size: 14px; }
.nav a.is-current { color: var(--teal); border-bottom: 2px solid var(--teal); }
.hero {
  padding: 64px 0 48px;
  background: var(--teal);
  color: #f8fffe;
  text-align: center;
}
.hero h1 { margin: 0 auto 16px; max-width: 860px; font-family: "Palatino Linotype", "Songti SC", serif; font-size: 36px; font-weight: 600; }
.hero .lead { max-width: 740px; margin: 0 auto 24px; color: #d7efee; }
.btn {
  display: inline-block;
  padding: 12px 28px;
  border: 2px solid #fff;
  color: #fff !important;
  text-decoration: none;
  margin: 4px;
  letter-spacing: 0.06em;
}
.btn-solid { background: #fff; color: var(--teal) !important; }
.section { padding: 52px 0; background: var(--cream); }
.section.paper { background: var(--paper); }
.section.teal { background: var(--teal-2); color: #edf7f6; }
.section.teal h2, .section.teal p { color: #edf7f6; }
.section h2 {
  font-family: "Palatino Linotype", "Songti SC", serif;
  font-size: 28px;
  margin: 0 0 16px;
  text-align: center;
}
.narrow { width: min(760px, 100%); margin: 0 auto; }
.tiles-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 3px solid var(--teal);
}
.tile { padding: 24px; border: 1px solid var(--line); background: var(--paper); }
.tile h3 { margin: 8px 0; font-family: "Palatino Linotype", "Songti SC", serif; }
.pull { font-size: 20px; border-left: 4px solid var(--teal); padding: 8px 0 8px 18px; margin: 20px 0; color: var(--teal-2); }
.compare { width: 100%; border-collapse: collapse; background: var(--paper); }
.compare th, .compare td { border: 2px solid var(--line); padding: 12px; }
.compare th { background: var(--teal); color: #fff; }
.faq-item { margin: 0 0 20px; padding: 0 0 16px; border-bottom: 1px dashed var(--line); }
.faq-item h3 { margin: 0 0 8px; font-size: 18px; }
.article p { margin: 0 0 18px; }
.cta-band { background: var(--teal); color: #fff; padding: 40px 0; text-align: center; }
.site-footer { background: #2a261f; color: #d7d0c4; padding: 36px 0; font-size: 14px; text-align: center; }
.site-footer .brand { color: #fff; justify-content: center; margin-bottom: 12px; }
.foot-nav a { color: #fff; margin: 0 10px; }
.foot-note { margin: 8px auto; max-width: 820px; }
@media (max-width: 800px) {
  .tiles-2 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 26px; }
}