:root {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  font-weight: 400;

  /* 主题变量 */
  --primary-color: #1890ff;
  --secondary-color: #52c41a;
  --warning-color: #faad14;
  --error-color: #ff4d4f;
  --info-color: #13c2c2;
  
  --text-primary: #333333;
  --text-secondary: #666666;
  --text-disabled: #999999;
  
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f5;
  --bg-tertiary: #f0f0f0;
  
  --border-color: #e8e8e8;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 暗色主题 */
[data-theme="dark"] {
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-disabled: #808080;
  
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --bg-tertiary: #3d3d3d;
  
  --border-color: #4d4d4d;
}

body {
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: all 0.3s ease;
}

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

body {
  min-width: 320px;
  min-height: 100vh;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
}