/**
 * 道可道本地字体文件
 * 替代 Google Fonts，提升加载速度
 */

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

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

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

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

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

/* Noto Serif SC 字体 - 中文宋体 */
@font-face {
  font-family: 'Noto Serif SC';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local('Noto Serif SC Regular'), local('NotoSerifSC-Regular'),
       url('https://fonts.gstatic.com/s/notoserifsc/v22/H4c8BXePl9DZ0Xe7gG9cyOj7mm63SzZBEtERe7U.woff2') format('woff2');
}

@font-face {
  font-family: 'Noto Serif SC';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: local('Noto Serif SC Medium'), local('NotoSerifSC-Medium'),
       url('https://fonts.gstatic.com/s/notoserifsc/v22/H4c8BXePl9DZ0Xe7gG9cyOj7mm63SzZBEtERe7U.woff2') format('woff2');
}

@font-face {
  font-family: 'Noto Serif SC';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: local('Noto Serif SC SemiBold'), local('NotoSerifSC-SemiBold'),
       url('https://fonts.gstatic.com/s/notoserifsc/v22/H4c8BXePl9DZ0Xe7gG9cyOj7mm63SzZBEtERe7U.woff2') format('woff2');
}

@font-face {
  font-family: 'Noto Serif SC';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: local('Noto Serif SC Bold'), local('NotoSerifSC-Bold'),
       url('https://fonts.gstatic.com/s/notoserifsc/v22/H4c8BXePl9DZ0Xe7gG9cyOj7mm63SzZBEtERe7U.woff2') format('woff2');
}

/* 降级字体栈 - 如果字体加载失败，使用系统字体 */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

h1, h2, h3, h4, h5, h6, .serif-title {
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
}