/* 铁锈巷口 — 暗锈褐 + 铁锈橙 */
.theme-rust {
  --bg: #14100e;
  --bg-elev: #201816;
  --bg-soft: #2c221e;
  --ink: #ffeee8;
  --muted: #b09080;
  --line: rgba(200,96,48, 0.12);
  --line-strong: rgba(200,96,48, 0.22);
  --accent: #c86030;
  --accent-2: #e89860;
  --accent-ink: #241008;
  --font-display: "Special Elite", sans-serif;
  --font-body: "Roboto Slab", system-ui, sans-serif;
}
.theme-rust .page-atmosphere {
  background:
    radial-gradient(780px 420px at 12% 0%, rgba(200,96,48,0.18), transparent 55%),
    radial-gradient(640px 360px at 92% 18%, rgba(200,96,48,0.1), transparent 50%),
    #14100e;
}
.theme-rust .masthead-brand {
  background: linear-gradient(100deg, #ffeee8, #e89860 55%, #c86030);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.theme-rust .btn-primary,
.theme-rust .link-vip {
  background: linear-gradient(135deg, #e89860, #c86030);
  color: #241008;
}
.theme-rust .section-kicker { color: #e89860; }
.theme-rust .badge.paid { background: #c86030; color: #241008; }