:root {
  color-scheme: dark;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  --page: #090c0e;
  --panel: #11171a;
  --line: #2d3437;
  --text: #f5f0e5;
  --muted: #b2b1aa;
  --gold: #d8aa4b;
  --gold-soft: rgba(216, 170, 75, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 5% 10%, rgba(216, 170, 75, 0.07), transparent 26rem),
    radial-gradient(circle at 90% 30%, rgba(48, 103, 89, 0.08), transparent 28rem),
    var(--page);
  color: var(--text);
  line-height: 1.8;
}

a { color: inherit; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(9, 12, 14, 0.88);
}

.site-header__inner,
.page,
.site-footer__inner {
  width: min(100% - 40px, 920px);
  margin-inline: auto;
}

.site-header__inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 700;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(216, 170, 75, 0.55);
  border-radius: 11px;
  color: var(--gold);
  font-family: "Songti SC", "STSong", serif;
  font-size: 24px;
}

.site-header__link {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.page { padding: 72px 0 96px; }

.breadcrumb {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 14px;
}

.breadcrumb a { text-decoration: none; }

.eyebrow {
  margin: 0 0 16px;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.08em;
}

h1, h2 {
  font-family: "Songti SC", "STSong", serif;
  font-weight: 600;
  line-height: 1.25;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(42px, 6vw, 72px);
  letter-spacing: -0.035em;
}

.dek {
  max-width: 760px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2.2vw, 22px);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 28px 0 0;
  color: #858b8d;
  font-size: 14px;
}

.answer {
  margin: 48px 0 56px;
  padding: 26px 30px;
  border: 1px solid rgba(216, 170, 75, 0.38);
  border-radius: 18px;
  background: var(--gold-soft);
  font-size: 18px;
}

.article {
  max-width: 760px;
}

.article h2 {
  margin: 64px 0 18px;
  color: var(--text);
  font-size: clamp(28px, 3.5vw, 38px);
}

.article p,
.article li { color: #d5d3cc; font-size: 18px; }

.article ul,
.article ol { padding-left: 1.4em; }

.checklist {
  margin: 30px 0;
  padding: 24px 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
}

.checklist strong { color: var(--gold); }

.cta {
  margin-top: 72px;
  padding: 34px;
  border: 1px solid rgba(216, 170, 75, 0.45);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(216, 170, 75, 0.13), rgba(17, 23, 26, 0.9));
}

.cta h2 { margin: 0 0 10px; font-size: 30px; }
.cta p { margin: 0; color: var(--muted); }

.cta__button {
  display: inline-flex;
  margin-top: 22px;
  padding: 14px 24px;
  border-radius: 999px;
  background: var(--gold);
  color: #111;
  font-weight: 800;
  text-decoration: none;
}

.faq { margin-top: 76px; }
.faq h2 { font-size: 34px; }

.faq details {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.faq summary { cursor: pointer; font-size: 18px; font-weight: 700; }
.faq details p { margin-bottom: 0; color: var(--muted); }

.site-footer { border-top: 1px solid var(--line); }
.site-footer__inner { padding: 30px 0 44px; color: #858b8d; font-size: 13px; }
.site-footer__inner p { margin: 5px 0; }

@media (max-width: 640px) {
  .site-header__inner, .page, .site-footer__inner { width: min(100% - 28px, 920px); }
  .page { padding-top: 48px; }
  .answer, .checklist, .cta { padding: 22px; }
  .article p, .article li { font-size: 17px; }
}