/* 无外链：仅使用系统中文字体，不加载 Google Fonts / CDN */
html,
body,
button,
input,
select,
textarea {
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", "WenQuanYi Micro Hei", sans-serif !important;
}