/* div {
    border: 1px solid red;
} */
 html, body {
  height: 100%; /* ✅ 这样是对的 */
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

.uk-search-input.bg-grey {
  background-color: #f0f0f0;
}