seahorsesShop_miniapp/components/topNavtar/topNavtar.wxss

/* components/topNavtar.wxss */
.head{
  position: fixed;
  z-index:999;
	width: 100%;
	height: 30px;
	line-height: 30px;
  /* background: linear-gradient(to bottom, #D9E7FF, #e0eafa,#F6F6F6 ); */
	top: 0;
	left: 0;
}