@font-face {
  font-family: 'Noto Serif HK';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/notoserifhk/v12/BngdUXBETWXI6LwlBZGcqL-B_KuJFcgfwP_9RMd-K1RhXdA.ttf) format('truetype');
}
@font-face {
  font-family: 'PT Serif';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/ptserif/v19/EJRVQgYoZZY2vCFuvAFWzro.ttf) format('truetype');
}
@font-face {
  font-family: 'PT Serif';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(https://fonts.gstatic.com/s/ptserif/v19/EJRSQgYoZZY2vCFuvAnt66qSVy4.ttf) format('truetype');
}