@media screen and (min-width: 320px) {
  html {
    font-size: 21.33333333px;
  }
}
@media screen and (min-width: 360px) {
  html {
    font-size: 24px;
  }
}
@media screen and (min-width: 375px) {
  html {
    font-size: 25px;
  }
}
@media screen and (min-width: 384px) {
  html {
    font-size: 25.6px;
  }
}
@media screen and (min-width: 400px) {
  html {
    font-size: 26.66666667px;
  }
}
@media screen and (min-width: 414px) {
  html {
    font-size: 27.6px;
  }
}
@media screen and (min-width: 424px) {
  html {
    font-size: 28.26666667px;
  }
}
@media screen and (min-width: 480px) {
  html {
    font-size: 32px;
  }
}
@media screen and (min-width: 540px) {
  html {
    font-size: 36px;
  }
}
@media screen and (min-width: 720px) {
  html {
    font-size: 36px;
  }
}
@media screen and (min-width: 750px) {
  html {
    font-size: 50px;
  }
}
/* 清除元素的内外边距默认为0 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
/* 让所以字体不倾斜 */
em,
i {
  font-style: normal;
}
/* 取消li前面的小圆点 */
li {
  list-style: none;
}
/* 清除图的片边框，去除图片底部的空白间隙 */
img {
  border: 0;
  vertical-align: middle;
}
/* 取消a标签的下划线 */
a {
  text-decoration: none;
}
/* 字体库引入 */
@font-face {
  font-family: 'iconfont';
  /* Project id 2870004 */
  src: url('//at.alicdn.com/t/font_2870004_b1cwklv1tx5.woff2?t=1647438023712') format('woff2'), url('//at.alicdn.com/t/font_2870004_b1cwklv1tx5.woff?t=1647438023712') format('woff'), url('//at.alicdn.com/t/font_2870004_b1cwklv1tx5.ttf?t=1647438023712') format('truetype');
}
/* 清除浮动 */
.clearfix {
  clear: both;
}