:root {
  --navy-950: #0b1628;
  --navy-900: #0f1d36;
  --navy-800: #162b4d;
  --blue-700: #1e5ea8;
  --blue-600: #2471c5;
  --blue-500: #3b82d0;
  --blue-100: #eaf3fb;
  --blue-50: #f4f8fc;
  --gray-950: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f8fafc;
  --green-700: #15803d;
  --green-100: #dcfce7;
  --amber-700: #b45309;
  --amber-100: #fef3c7;
  --red-700: #b91c1c;
  --red-100: #fee2e2;
  --cyan-700: #0e7490;
  --cyan-100: #cffafe;
  --purple-700: #6d28d9;
  --purple-100: #ede9fe;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px rgb(15 23 42 / 6%);
  --shadow-md: 0 8px 24px rgb(15 29 54 / 10%);
  --radius-sm: 4px;
  --radius: 6px;
  --radius-lg: 8px;
  --sider-width: 220px;
  --header-height: 52px;
  --content-max: 1680px;
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--gray-800);
  background: var(--gray-100);
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--gray-100); }
body { margin: 0; min-height: 100vh; font-size: 14px; color: var(--gray-800); }
button, input, select, textarea { font: inherit; }
button { letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }
.mono { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
.muted { color: var(--gray-500); }
.strong { font-weight: 600; color: var(--gray-950); }
.text-right { text-align: right; }
.text-center { text-align: center; }