:root {
  --bg-root: #060c18;
  --bg-sidebar: #090f1d;
  --bg-topbar: #090f1d;
  --bg-card: #0c1525;
  --bg-card-hover: #101c30;
  --bg-input: #0a1422;
  --bg-tag: #0f1d32;
  --bg-tag-active: #1a2d4a;
  --bg-overlay: rgba(6, 12, 24, 0.85);
  --gold-primary: #f0a500;
  --gold-dark: #c8860a;
  --gold-light: #ffc740;
  --gold-alpha-30: rgba(240, 165, 0, 0.3);
  --gold-alpha-20: rgba(240, 165, 0, 0.2);
  --gold-alpha-15: rgba(240, 165, 0, 0.15);
  --gold-alpha-10: rgba(240, 165, 0, 0.1);
  --blue-primary: #1e6fff;
  --blue-soft: #2d7eff;
  --blue-alpha-24: rgba(30, 111, 255, 0.24);
  --blue-alpha-20: rgba(30, 111, 255, 0.2);
  --blue-alpha-12: rgba(30, 111, 255, 0.12);
  --teal-primary: #00c9b1;
  --purple-primary: #7c4dff;
  --data-up: #26d98f;
  --data-up-alpha: rgba(38, 217, 143, 0.15);
  --data-down: #ff5757;
  --data-down-alpha: rgba(255, 87, 87, 0.15);
  --data-neutral: #7e9ab5;
  --text-h1: #ffffff;
  --text-h2: #e8f0fe;
  --text-body: #c8d8ec;
  --text-secondary: #7e9ab5;
  --text-muted: #4a6080;
  --text-link: #4da3ff;
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-medium: rgba(255, 255, 255, 0.12);
  --border-active: rgba(240, 165, 0, 0.45);
  --border-input: rgba(255, 255, 255, 0.1);
  --border-input-focus: rgba(240, 165, 0, 0.6);
  --white-alpha-02: rgba(255, 255, 255, 0.02);
  --white-alpha-03: rgba(255, 255, 255, 0.03);
  --white-alpha-04: rgba(255, 255, 255, 0.04);
  --white-alpha-06: rgba(255, 255, 255, 0.06);
  --white-alpha-08: rgba(255, 255, 255, 0.08);
  --white-alpha-12: rgba(255, 255, 255, 0.12);
  --black-alpha-18: rgba(0, 0, 0, 0.18);
  --black-alpha-22: rgba(0, 0, 0, 0.22);
  --black-alpha-35: rgba(0, 0, 0, 0.35);
  --black-alpha-45: rgba(0, 0, 0, 0.45);
  --black-alpha-55: rgba(0, 0, 0, 0.55);
  --shadow-sm: 0 2px 8px var(--black-alpha-35);
  --shadow-md: 0 4px 20px var(--black-alpha-45);
  --shadow-lg: 0 8px 40px var(--black-alpha-55);
  --glow-gold-sm: 0 0 10px rgba(240, 165, 0, 0.2);
  --glow-gold-md: 0 0 20px rgba(240, 165, 0, 0.3);
  --glow-blue-sm: 0 0 10px rgba(30, 111, 255, 0.2);
  --glow-blue-md: 0 0 20px rgba(30, 111, 255, 0.3);
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --icon-size-nav: 20px;
  --icon-stroke-nav: 2.35;
  --icon-size-feature-bare: 24px;
  --icon-stroke-feature-bare: 2.6;
  --icon-size-card: 24px;
  --icon-stroke-card: 2.4;
  --icon-size-topbar: 18px;
  --icon-stroke-topbar: 2.3;
  --icon-size-tag: 16px;
  --icon-stroke-tag: 2.2;
  --icon-size-button: 18px;
  --icon-stroke-button: 2.3;
  --icon-size-contact-cta: 22px;
  --icon-stroke-contact-cta: 2.5;
  --topbar-height: 60px;
  --sidebar-width: 220px;
  --sidebar-collapsed-width: 60px;
  --sidebar-padding: 16px;
  --content-padding: 24px;
  --panel-padding: 20px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;
  --font-cn: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", "微软雅黑", sans-serif;
  --font-data: "Roboto Mono", "SF Mono", "Consolas", monospace;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
}