:root {
  color-scheme: dark;
  --font-display: "YouSheBiaoTiHei", "Alibaba PuHuiTi 3.0", "PingFang SC", "Microsoft YaHei",
    sans-serif;
  --font-body: "Alibaba PuHuiTi 3.0", "PingFang SC", "Microsoft YaHei", sans-serif;

  --bg-900: #020611;
  --bg-800: #03122b;
  --bg-700: #07204b;
  --bg-600: #0b2e65;
  --cyan-100: #ebfffe;
  --cyan-200: #bcfffb;
  --cyan-300: #88fff6;
  --cyan-400: #4ef7ff;
  --cyan-500: #19d9ff;
  --cyan-600: #0ea5ff;
  --blue-500: #2b72ff;
  --ink-100: rgba(255, 255, 255, 0.92);
  --ink-80: rgba(225, 245, 255, 0.8);
  --ink-60: rgba(197, 233, 255, 0.6);
  --line-soft: rgba(145, 232, 255, 0.24);
  --line-strong: rgba(133, 251, 255, 0.58);
  --panel-fill: rgba(30, 218, 255, 0.18);
  --panel-fill-strong: rgba(52, 239, 255, 0.32);
  --shadow-cyan: 0 0 24px rgba(49, 243, 255, 0.4);
  --shadow-deep: 0 40px 90px rgba(0, 0, 0, 0.5);
  --radius-pill: 999px;
  --radius-shell: 48px;
  --blur-panel: 18px;
  --motion-base: 340ms cubic-bezier(0.22, 1, 0.36, 1);
}