/* Set 4 — cn: amber/slate dashboard, pill nav, 4-col stats, comparison early */
:root {
  --amber: #e67e22;
  --amber-2: #ca6f1e;
  --slate: #2c3e50;
  --ink: #233140;
  --muted: #667484;
  --bg: #f7f4ef;
  --line: #e4d9cb;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font: 16px/1.7 Arial, "Source Han Sans SC", "Microsoft YaHei", sans-serif;
}
a { color: var(--amber-2); }
.wrap { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header { background: #1a2332; }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 70px; }
.brand { color: #fff; font-weight: 700; text-decoration: none; display: flex; align-items: center; gap: 10px; font-size: 20px; }
.nav { background: #243246; border-radius: 999px; padding: 6px; }
.nav a {
  color: #d5deea;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 999px;
  display: inline-block;
}
.nav a.is-current { background: var(--amber); color: #fff; }
.hero { padding: 42px 0 20px; }
.hero h1 { font-size: 30px; margin: 0 0 12px; }
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 22px 0 10px;
}
.stat {
  background: #fff;
  border-radius: 14px;
  padding: 16px;
  text-align: center;
  border: 1px solid var(--line);
}
.stat b { display: block; font-size: 28px; color: var(--amber); }
.btn {
  display: inline-block;
  background: var(--amber);
  color: #fff !important;
  text-decoration: none;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 700;
  margin: 4px 6px 4px 0;
}
.btn-line { background: transparent; color: var(--slate) !important; border: 2px solid var(--slate); }
.section { padding: 36px 0; }
.section h2 { margin: 0 0 12px; color: var(--slate); font-size: 23px; }
.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.card {
  background: #fff;
  border-radius: 14px;
  padding: 18px;
  border: 1px solid var(--line);
}
.card h3 { margin: 10px 0 8px; font-size: 17px; }
.compare { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; }
.compare th, .compare td { padding: 11px 12px; border-bottom: 1px solid var(--line); text-align: left; }
.compare th { background: var(--slate); color: #fff; }
.faq-item {
  background: #fff;
  border-radius: 12px;
  padding: 16px 16px 16px 56px;
  margin: 0 0 12px;
  position: relative;
  border: 1px solid var(--line);
}
.faq-item::before {
  content: attr(data-n);
  position: absolute;
  left: 16px;
  top: 16px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--amber);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.faq-item h3 { margin: 0 0 8px; font-size: 16px; }
.faq-item p { margin: 0 0 8px; color: var(--muted); }
.article p { margin: 0 0 14px; }
.cta-band { background: var(--amber); color: #fff; padding: 28px 0; }
.cta-band h2 { color: #fff; }
.site-footer { background: #1a2332; color: #b7c0cb; padding: 28px 0; font-size: 13px; }
.site-footer .brand { color: #fff; margin-bottom: 10px; }
.foot-nav a { color: #fff; margin-right: 14px; }
.foot-note { margin: 8px 0; }
@media (max-width: 900px) {
  .stats, .cards-4 { grid-template-columns: 1fr 1fr; }
  .header-inner { flex-direction: column; padding: 12px 0; gap: 10px; }
}