v3-h5-web/unpackage/dist/dev/mp-weixin/pages/component/navbar.wxss

.wx-head-mod {
	z-index:100;
	box-sizing: border-box;
	width: 100%;
	position: fixed;
	top: 0;
	left: 0;
	/*background: #0183FA; */
	/* background: linear-gradient(-35deg, #613A19 0%, #6F4E2B 100%); */
}
.wx-head-mod-nav {
	box-sizing: border-box;
	width: 100%;
	position: absolute;
	left: 0;
	display: flex;
	justify-content: center;
	align-items: center;
}
.wx-head-mod-nav-content {
	box-sizing: border-box;
	width: 100%;
	display: flex;
	justify-content: left;
	align-items: center;
	position: relative;
	padding-left: 30rpx;
	box-sizing: border-box;
}

/* 文本区 */
.wx-head-mod-nav-content-mian {
	box-sizing: border-box;
	height: 100%;
	text-align: center;
	white-space: nowrap;
	text-overflow: ellipsis;
	overflow: hidden;
	color:#fff;
	font-size:36rpx;
}

/* 返回按钮 */
.wx-head-mod-nav-content-back {
	box-sizing: border-box;
	width: 60rpx;
	height: 100%;
	/* background-color: aqua; */
	position: absolute;
	top: 0;
	left: 32rpx;
	display: flex;
	align-items: center;
	justify-content: left;
}
.wx-head-mod-nav-content-back-img {
	box-sizing: border-box;
}