/* 深蓝港湾 */
.theme-ocean {
  --bg: #07131f;
  --bg-elev: #0d1d2d;
  --bg-soft: #13283b;
  --ink: #e8f2f8;
  --muted: #8aa4b8;
  --line: rgba(160, 210, 230, 0.1);
  --line-strong: rgba(160, 210, 230, 0.2);
  --accent: #3db8c5;
  --accent-2: #8fe0ea;
  --accent-ink: #042028;
  --font-display: "Libre Baskerville", serif;
  --font-body: "Manrope", sans-serif;
}
.theme-ocean .page-atmosphere {
  background:
    radial-gradient(800px 420px at 10% 0%, rgba(61,184,197,0.18), transparent 55%),
    radial-gradient(700px 400px at 100% 20%, rgba(40,90,140,0.25), transparent 50%),
    #07131f;
}
.theme-ocean .masthead-brand {
  background: linear-gradient(100deg, #e8f2f8, #8fe0ea 60%, #3db8c5);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.theme-ocean .link-vip,
.theme-ocean .btn-primary {
  background: linear-gradient(135deg, #8fe0ea, #3db8c5);
  color: var(--accent-ink);
}
.theme-ocean .section-kicker { color: #8fe0ea; }