/* AI Coder — Webfonts (self-hosted)
 * 拉丁字体本地托管(JetBrains Mono = mono 品牌, Inter = sans), font-display: swap。
 * 中文(CJK)不内嵌(全量子集体积过大且当前文案为英文)——经 typography.css 的字族栈
 * 回退到系统 PingFang SC / 微软雅黑 / Noto Sans SC, 不会落到宋体。
 * 双保险: 本地 woff2 加载失败时, 同样回退到上述系统无衬线栈。 */

/* unicode ranges 同 Google Fonts 切分: latin / latin-ext */

/* ── JetBrains Mono ─────────────────────────────────────────────────── */
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("../assets/fonts/jetbrains-mono-400.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,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: "JetBrains Mono"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("../assets/fonts/jetbrains-mono-ext-400.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("../assets/fonts/jetbrains-mono-500.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,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: "JetBrains Mono"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("../assets/fonts/jetbrains-mono-ext-500.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "JetBrains Mono"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("../assets/fonts/jetbrains-mono-700.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,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: "JetBrains Mono"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("../assets/fonts/jetbrains-mono-ext-700.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "JetBrains Mono"; font-style: italic; font-weight: 400; font-display: swap;
  src: url("../assets/fonts/jetbrains-mono-400-italic.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }

/* ── Inter (只 500 / 700 两档, 与"字重只用两档"规范一致) ─────────────── */
@font-face { font-family: "Inter"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("../assets/fonts/inter-500.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,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: "Inter"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("../assets/fonts/inter-ext-500.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: "Inter"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("../assets/fonts/inter-700.woff2") format("woff2");
  unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,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: "Inter"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("../assets/fonts/inter-ext-700.woff2") format("woff2");
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }