/* ============================================================
   Noto Sans SC（思源黑体）— 免费开源 SIL Open Font License
   自托管字体，彻底替换商业字体「微软雅黑 / Segoe UI」
   中文简体子集按需加载（约 1.1MB/字重，浏览器缓存）
   ============================================================ */

/* ---------- 400 (Regular) ---------- */
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('noto-sans-sc-latin-400-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('noto-sans-sc-chinese-simplified-400-normal.woff2') format('woff2');
  unicode-range: U+2E80-2EFF, U+3000-303F, U+31C0-31EF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FF00-FFEF;
}

/* ---------- 500 (Medium) ---------- */
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('noto-sans-sc-latin-500-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('noto-sans-sc-chinese-simplified-500-normal.woff2') format('woff2');
  unicode-range: U+2E80-2EFF, U+3000-303F, U+31C0-31EF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FF00-FFEF;
}

/* ---------- 700 (Bold) ---------- */
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('noto-sans-sc-latin-700-normal.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Noto Sans SC';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('noto-sans-sc-chinese-simplified-700-normal.woff2') format('woff2');
  unicode-range: U+2E80-2EFF, U+3000-303F, U+31C0-31EF, U+3400-4DBF, U+4E00-9FFF, U+F900-FAFF, U+FF00-FFEF;
}