/* 全局样式重置和基础样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
  line-height: 1.6;
  color: #333;
}

.container {
  max-width: 800px;
  margin: 0 auto;
}

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

button {
  font-family: inherit;
}