/* ============================================
   自托管字体 —— 不依赖 Google Fonts CDN
   Inter（UI 无衬线）+ Instrument Serif（展示衬线，正/斜体）
   + 霞鹜文楷子集（中文展示，lxgw-wenkai-subset.woff2 由
     server/gen_font_subset.py 自动扫描全站 HTML 重新生成）
   ============================================ */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/inter-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/inter-500.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/inter-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('fonts/inter-700.woff2') format('woff2');
}

@font-face {
  font-family: 'Instrument Serif';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/instrument-serif-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Instrument Serif';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/instrument-serif-400-italic.woff2') format('woff2');
}

/* 中文展示字体：霞鹜文楷（子集）。
   用于大标题/章节叙事文字，正文仍走系统字体栈。 */
@font-face {
  font-family: 'LXGW WenKai';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/lxgw-wenkai-subset.woff2') format('woff2');
}