/* Inter - English UI font (local woff2) */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("Inter-Light.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("Inter-Regular.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("Inter-Medium.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("Inter-SemiBold.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("Inter-Bold.woff2") format("woff2");
}

/* Noto Serif SC - fallback to system serif fonts */
/* Since Google Fonts is inaccessible, we use Windows built-in serif fonts */
/* STSong (华文宋体), SimSun (宋体), NSimSun (新宋体), FangSong (仿宋) */
@font-face {
  font-family: "Noto Serif SC";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local("STSong"), local("SimSun"), local("NSimSun"), local("FangSong"), local("Songti SC"), local("serif");
}
@font-face {
  font-family: "Noto Serif SC";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: local("STSong"), local("SimSun"), local("NSimSun"), local("FangSong"), local("Songti SC"), local("serif");
}
@font-face {
  font-family: "Noto Serif SC";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: local("STSong"), local("SimSun"), local("NSimSun"), local("FangSong"), local("Songti SC"), local("serif");
}