/* 字体回退CSS - 处理字体加载失败情况 */

/* Font Awesome 回退 */
@font-face {
  font-family: 'Font Awesome 6 Brands';
  font-style: normal;
  font-weight: 400;
  src: url('../fonts/fa-brands-400.woff2') format('woff2'),
       url('https://use.fontawesome.com/releases/v6.4.0/webfonts/fa-brands-400.woff2') format('woff2');
  font-display: swap;
}

@font-face {
  font-family: 'Font Awesome 6 Free';
  font-style: normal;
  font-weight: 400;
  src: url('../fonts/fa-regular-400.woff2') format('woff2'),
       url('https://use.fontawesome.com/releases/v6.4.0/webfonts/fa-regular-400.woff2') format('woff2');
  font-display: swap;
}

@font-face {
  font-family: 'Font Awesome 6 Free';
  font-style: normal;
  font-weight: 900;
  src: url('../fonts/fa-solid-900.woff2') format('woff2'),
       url('https://use.fontawesome.com/releases/v6.4.0/webfonts/fa-solid-900.woff2') format('woff2');
  font-display: swap;
}

/* Inter 字体回退 */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300;
  src: url('../fonts/inter-light.woff2') format('woff2'),
       url('https://fonts.gstatic.com/s/inter/v12/UcC73FwrK3iLTeHuS_fvQtMwCp50KnMa1ZL7.woff2') format('woff2');
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  src: url('../fonts/inter-regular.woff2') format('woff2'),
       url('https://fonts.gstatic.com/s/inter/v12/UcC73FwrK3iLTeHuS_fvQtMwCp50KnMa1ZL7.woff2') format('woff2');
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  src: url('../fonts/inter-medium.woff2') format('woff2'),
       url('https://fonts.gstatic.com/s/inter/v12/UcC73FwrK3iLTeHuS_fvQtMwCp50KnMa1ZL7.woff2') format('woff2');
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  src: url('../fonts/inter-semibold.woff2') format('woff2'),
       url('https://fonts.gstatic.com/s/inter/v12/UcC73FwrK3iLTeHuS_fvQtMwCp50KnMa1ZL7.woff2') format('woff2');
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  src: url('../fonts/inter-bold.woff2') format('woff2'),
       url('https://fonts.gstatic.com/s/inter/v12/UcC73FwrK3iLTeHuS_fvQtMwCp50KnMa1ZL7.woff2') format('woff2');
  font-display: swap;
}

/* 系统字体回退 */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

.fas, .far, .fab {
  font-display: swap;
}