/* 性能优化: 移除 Noto Sans SC web 字体(942KB CSS + 4.5MB 分片), 改用系统字体 */
html, body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "微软雅黑", "Source Han Sans SC", "Noto Sans CJK SC",
               "WenQuanYi Micro Hei", "Helvetica Neue", Arial, sans-serif;
}