:root {
  --bg: #f6f8fb;
  --ink: #1c2430;
  --muted: #5c6778;
  --line: #e4e8ef;
  --card: #ffffff;
  --accent: #1677ff;
  --accent-ink: #ffffff;
  --header: rgba(246, 248, 251, 0.92);
  --hero: linear-gradient(180deg, #e8f1ff 0%, #f6f8fb 68%);
  --shadow: 0 10px 30px rgba(22, 36, 56, 0.06);
}