* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Microsoft YaHei", sans-serif;
  background: #F5F7FA;
  color: #1D2129;
  height: 100vh;
  overflow: hidden;
}

:root {
  --primary: #165DFF;
  --primary-hover: #0e48d1;
  --border: #E5E6EB;
  --bg-white: #fff;
  --bg-gray: #F5F7FA;
  --text-primary: #1D2129;
  --text-secondary: #6E7681;
  --success: #00B42A;
  --warning: #FF7D00;
  --error: #F53F3F;
}