/* ============================================================
   微联 · 品牌字体（独立引用版）
   ------------------------------------------------------------
   与 assets/clara.css 中的 @font-face 声明同源（2026-10-05 分层治理后）。
   给「不引用 clara.css 的页面」用：只加载字体文件，不引入整站版式 reset。
   · Clara Web    正文黑体（可变字重 100-900，每页 336KB，7 天浏览器缓存）
   · Clara Serif  标题衬线体，分 core(39KB，全站标题实际用字) / ext(懒加载) 两层
   ⚠ 本文件位于 /assets/fonts/ 目录内，字体路径必须用**绝对路径**：
     写成相对路径 "fonts/xxx.woff2" 会被解析成 /assets/fonts/fonts/xxx.woff2 → 404。
   ============================================================ */
@font-face {
  font-family: "Clara Web";
  src: url("/assets/fonts/clara-web.woff2") format("woff2-variations"),
       url("/assets/fonts/clara-web.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
}
/* 衬线标题字：分 core / ext 两层，用 unicode-range 精确切分（2026-10-05 性能治理）
   · core = 全站衬线标题真正用到的字符 + ASCII + 标点 → 每页只下 40KB（原先每页 425KB）
   · ext  = 字体内其余字符 → 只在出现未预期字符时才懒加载，永不阻塞首屏
   两层 unicode-range 互不重叠；只做字符裁剪、不改字形数据，渲染与改造前逐像素一致。 */
@font-face { font-family: "Clara Serif"; font-weight: 100 900; font-style: normal; font-display: swap;
  src: url("/assets/fonts/clara-serif-core.woff2") format("woff2-variations"), url("/assets/fonts/clara-serif-core.woff2") format("woff2");
  unicode-range: U+0020-007E, U+00A5, U+00B0-00B1, U+00B7, U+00D7, U+00F7, U+2013-2014, U+201C-201D, U+2026, U+2190, U+2192, U+2212, U+2260, U+2264-2265, U+2605, U+2713, U+3001-3002, U+300A-3011, U+4E0A, U+4E2D, U+4E48, U+4F1A, U+4F3C, U+514B, U+5305, U+5353, U+53E3, U+540C, U+5458, U+5708, U+5728, U+57CE, U+5899, U+591A, U+5927, U+5B50, U+5B89, U+5BB6, U+5E01, U+5FC3, U+600E, U+60AC, U+62C9, U+63A5, U+641C, U+6587, U+660E, U+66F4, U+6863, U+6D77, U+70ED, U+7167, U+7247-7248, U+73A9, U+76F8, U+770B, U+7B14, U+7D22, U+7F6E, U+8BB0, U+8BBE, U+8BF4, U+8D4F, U+90FD, U+94B1, U+95E8, U+FF01, U+FF08-FF09, U+FF0B-FF0C, U+FF1A-FF1B, U+FF1F-FF20, U+FF5C, U+FF5E; }
@font-face { font-family: "Clara Serif"; font-weight: 100 900; font-style: normal; font-display: swap;
  src: url("/assets/fonts/clara-serif-ext.woff2") format("woff2-variations"), url("/assets/fonts/clara-serif-ext.woff2") format("woff2");
  unicode-range: U+2030, U+2039-203A, U+21D2, U+2248, U+2460-246A, U+2500, U+2550, U+25B2, U+25B6, U+25C6-25C7, U+26A0, U+4E00, U+4E03, U+4E07, U+4E09, U+4E0B, U+4E0D-4E0E, U+4E13-4E14, U+4E1A, U+4E1D, U+4E22, U+4E24-4E25, U+4E2A, U+4E30, U+4E32, U+4E34, U+4E3A-4E3B, U+4E3E, U+4E45, U+4E49, U+4E4B, U+4E4E, U+4E50, U+4E5D, U+4E5F, U+4E66, U+4E70-4E71, U+4E86, U+4E88-4E89, U+4E8B-4E8C, U+4E8E, U+4E91-4E92, U+4E94, U+4E9B, U+4EA4, U+4EA7, U+4EAB-4EAC, U+4EAE, U+4EBA, U+4EC0, U+4EC5, U+4ECA-4ECB, U+4ECD-4ECE, U+4ED4, U+4ED6, U+4ED8, U+4EE3-4EE5, U+4EEA, U+4EEC, U+4EF6-4EF7, U+4EFB, U+4EFD, U+4EFF, U+4F11, U+4F18, U+4F20, U+4F24, U+4F2A, U+4F34, U+4F38, U+4F46, U+4F4D-4F4F, U+4F53, U+4F55, U+4F59, U+4F5C, U+4F60, U+4F7F, U+4F88, U+4F8B, U+4F9B, U+4F9D, U+4FA3, U+4FA7, U+4FAE, U+4FB5, U+4FBF, U+4FDD, U+4FE1, U+4FEE, U+4FF1, U+500D, U+5012, U+5019, U+501F, U+503C, U+5047, U+504F, U+505A, U+505C, U+5065, U+507F, U+50A8, U+50CF, U+50F5, U+5141, U+5143, U+5145, U+5148-5149, U+514D, U+5151, 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