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

/* 基础样式设置 */
html {
  font-size: 16px;
  line-height: 1.5;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}