:root {
  --color-brand-700: #0067d8;
  --color-brand-600: #007aff;
  --color-brand-500: #258bff;
  --color-accent-500: #00cdec;
  --color-ink-900: #10213f;
  --color-ink-800: #182b4b;
  --color-ink-700: #263650;
  --color-ink-500: #60708a;
  --color-ink-400: #8491a6;
  --color-surface-50: #f6f9ff;
  --color-surface-100: #eff5fe;
  --color-surface-0: #ffffff;
  --color-line: #e5ecf7;
  --color-success: #12a66a;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
  --container: 1200px;
  --shadow-soft: 0 16px 45px rgb(20 57 115 / 8%);
  --shadow-card: 0 20px 50px rgb(30 72 138 / 11%);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}