@font-face {
  font-family: "LatoRegular";
  src: url("LatoRegular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;          /* 避免空白闪屏 */
}

@font-face {
  font-family: "LatoBold";
  src: url("LatoBold.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}