/* 思源黑体 CN — 仅覆盖 CJK 字符，拉丁字母仍由 Inter 渲染 */
@font-face {
  font-family: 'Source Han Sans CN';
  font-style: normal;
  font-weight: 200;
  font-display: swap;
  src: url('/static/font/source-han-sans/SourceHanSansCN-ExtraLight.ttf') format('truetype');
  unicode-range: U+3000-303F, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE30-FE4F, U+FF00-FFEF, U+2E80-2EFF, U+2F00-2FDF, U+31C0-31EF;
}

@font-face {
  font-family: 'Source Han Sans CN';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('/static/font/source-han-sans/SourceHanSansCN-Light.ttf') format('truetype');
  unicode-range: U+3000-303F, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE30-FE4F, U+FF00-FFEF, U+2E80-2EFF, U+2F00-2FDF, U+31C0-31EF;
}

@font-face {
  font-family: 'Source Han Sans CN';
  font-style: normal;
  font-weight: 350;
  font-display: swap;
  src: url('/static/font/source-han-sans/SourceHanSansCN-Normal.ttf') format('truetype');
  unicode-range: U+3000-303F, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE30-FE4F, U+FF00-FFEF, U+2E80-2EFF, U+2F00-2FDF, U+31C0-31EF;
}

@font-face {
  font-family: 'Source Han Sans CN';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/static/font/source-han-sans/SourceHanSansCN-Regular.ttf') format('truetype');
  unicode-range: U+3000-303F, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE30-FE4F, U+FF00-FFEF, U+2E80-2EFF, U+2F00-2FDF, U+31C0-31EF;
}

@font-face {
  font-family: 'Source Han Sans CN';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/static/font/source-han-sans/SourceHanSansCN-Medium.ttf') format('truetype');
  unicode-range: U+3000-303F, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE30-FE4F, U+FF00-FFEF, U+2E80-2EFF, U+2F00-2FDF, U+31C0-31EF;
}

@font-face {
  font-family: 'Source Han Sans CN';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/static/font/source-han-sans/SourceHanSansCN-Bold.ttf') format('truetype');
  unicode-range: U+3000-303F, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE30-FE4F, U+FF00-FFEF, U+2E80-2EFF, U+2F00-2FDF, U+31C0-31EF;
}

@font-face {
  font-family: 'Source Han Sans CN';
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url('/static/font/source-han-sans/SourceHanSansCN-Heavy.ttf') format('truetype');
  unicode-range: U+3000-303F, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FE30-FE4F, U+FF00-FFEF, U+2E80-2EFF, U+2F00-2FDF, U+31C0-31EF;
}