@font-face {
  font-family: 'Oxygen';
  font-style: normal;
  font-weight: 300;
  src: url(https://assets.shangyuanlabs.com/fonts/oxygen/oxygen_n3.woff2) format('woff2');
  font-display: swap;
}


@font-face {
  font-family: 'Oxygen';
  font-style: normal;
  font-weight: 400;
  src: url(https://assets.shangyuanlabs.com/fonts/oxygen/oxygen_n4.woff2) format('woff2');
  font-display: swap;
}


@font-face {
  font-family: 'Oxygen';
  font-style: normal;
  font-weight: 700;
  src: url(https://assets.shangyuanlabs.com/fonts/oxygen/oxygen_n7.woff2) format('woff2');
  font-display: swap;
}