/** wxss **/
/** 修改默认的navigator点击态 **/
.navigator-hover {
    color:blue;
}
/** 自定义其他点击态样式类 **/
.other-navigator-hover {
    color:red;
}

<!-- sample.wxml -->
<view class="btn-area">
  <navigator url="navigate?title=navigate" hover-class="navigator-hover">跳转到新页面</navigator>
  <navigator url="redirect?title=redirect" redirect hover-class="other-navigator-hover">在当前页打开</navigator>
</view>

<!-- navigator.wxml -->
<view style="text-align:center"> {{title}} </view>
<view> 点击左上角返回回到之前页面 </view>

<!-- redirect.wxml -->
<view style="text-align:center"> {{title}} </view>
<view> 点击左上角返回回到上级页面 </view>

// redirect.js navigator.js
Page({
  onLoad: function(options) {
    this.setData({
      title: options.title
    })
  }
})