/* 1. 超轻 Ultralight (font-weight: 100) */
@font-face {
  font-family: 'PingFang SC';
  src: url('./PingFangSC-Ultralight.woff2') format('woff2');
  font-weight: 100;
  font-style: normal;
  font-display: swap; /* 优化加载体验，先显示系统字体，加载完成后替换 */
}

/* 2. 细体 Thin (font-weight: 200) */
@font-face {
  font-family: 'PingFang SC';
  src: url('./PingFangSC-Thin.woff2') format('woff2');
  font-weight: 200;
  font-style: normal;
  font-display: swap;
}

/* 3. 轻量 Light (font-weight: 300) */
@font-face {
  font-family: 'PingFang SC';
  src: url('./PingFangSC-Light.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

/* 4. 常规 Regular (font-weight: 400，默认字重) */
@font-face {
  font-family: 'PingFang SC';
  src: url('./PingFangSC-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* 5. 中粗 Medium (font-weight: 500) */
@font-face {
  font-family: 'PingFang SC';
  src: url('./PingFangSC-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* 6. 半粗 Semibold (font-weight: 600) */
@font-face {
  font-family: 'PingFang SC';
  src: url('./PingFangSC-Semibold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* 全局字体 fallback 配置（兼容系统自带 PingFang） */
:root {
  --font-pingfang: 'PingFang SC', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

body {
  font-family: var(--font-pingfang), fangsong;
  font-weight: 400; /* 默认常规字重 */
}