:root {
  --background-color: white; /* css 变量赋值位置 */
  --text-color: #333333;
  --text-light-color: #999999;
  --text-red-color: #CB2D34;

  --interval-color: #F5F5F5; /* 列表行间隔变色 */

  --chart-div-color: white; /* 图标背景色 */
}

@media screen and (min-width: 320px) {html{font-size:32px;}}
@media screen and (min-width: 360px) {html{font-size:36px;}}
@media screen and (min-width: 375px) {html{font-size:37.5px;}}
@media screen and (min-width: 400px) {html{font-size:40px;}}
@media screen and (min-width: 414px) {html{font-size:41.4px;}}
@media screen and (min-width: 440px) {html{font-size:44px;}}
@media screen and (min-width: 480px) {html{font-size:48px;}}
@media screen and (min-width: 520px) {html{font-size:52px;}}
@media screen and (min-width: 560px) {html{font-size:56px;}}
@media screen and (min-width: 600px) {html{font-size:60px;}}
@media screen and (min-width: 640px) {html{font-size:64px;}}
@media screen and (min-width: 680px) {html{font-size:68px;}}
@media screen and (min-width: 720px) {html{font-size:72px;}}
@media screen and (min-width: 760px) {html{font-size:76px;}}
@media screen and (min-width: 800px) {html{font-size:80px;}}
@media screen and (min-width: 960px) {html{font-size:96px;}}

body {
  max-width: 850px;
  margin: 0 auto;
}