xiaoshi-wx/node_modules/wux-weapp/example/dist/sticky-item/index.wxss

.wux-sticky-item {
  position: relative;
  font-size: 28rpx
}
.wux-sticky-item__hd {
  background: #d9d9d9;
  width: 100%;
  height: 64rpx;
  line-height: 64rpx
}
.wux-sticky-item__title {
  width: 100%;
  padding: 0 30rpx;
  box-sizing: border-box;
  background: #d9d9d9
}
.wux-sticky-item--fixed .wux-sticky-item__title {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 2
}