/* 全屏加载遮罩：首屏数据/图片就绪前显示 */
.page-loader{
  position:fixed;inset:0;z-index:9999;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:20px;background:#fff;
  transition:opacity .28s ease;
}
.page-loader.is-hide{opacity:0;pointer-events:none}
.page-loader__ring{
  width:46px;height:46px;border-radius:50%;
  border:3px solid #eef0f3;
  border-top-color:#4a90e2;
  animation:pl-spin .9s linear infinite;
}
@keyframes pl-spin{to{transform:rotate(360deg)}}
.page-loader__text{
  margin:0;font-size:16px;color:#555;letter-spacing:.5px;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
}
@media (max-width:600px){
  .page-loader{gap:16px}
  .page-loader__ring{width:40px;height:40px}
  .page-loader__text{font-size:15px;color:#606266}
}