/* 本地字体（2026-10-21 P1 性能优化：替代 Google Fonts，国内零依赖秒加载）
   源：Noto Serif SC（思源宋体，OFL）/ Ma Shan Zheng（马善政毛笔，OFL），按项目用字子集化 */
@font-face {
  font-family: 'Noto Serif SC';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('NotoSerifSC-Regular.woff') format('woff');
}
@font-face {
  font-family: 'Noto Serif SC';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('NotoSerifSC-SemiBold.woff') format('woff');
}
@font-face {
  font-family: 'Noto Serif SC';
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url('NotoSerifSC-Black.woff') format('woff');
}
@font-face {
  font-family: 'Ma Shan Zheng';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('MaShanZheng-Regular.woff') format('woff');
}