<template>
  <div :key="'error404_' + $route.name">
    <a-page-header>
      <template #extra>
        <a-button @click="onBack">返回</a-button>
      </template>
    </a-page-header>
    <div class="page-404">
      <h2>404</h2>
      <h3>您来到了一块未知区域</h3>
      <p>请检查您输入的网址是否正确，或者点击链接继续浏览</p>
      <div class="op-list">
        <router-link :to="{ name: 'root' }">返回首页</router-link>
        <span>|</span>
        <ns-button type="link" @click="onBack">返回上页</ns-button>
      </div>
    </div>
  </div>
</template>

<script lang="ts">
  import { defineComponent } from 'vue';

  export default defineComponent({
    name: 'NsViewError404',

    setup() {},

    methods: {
      onBack() {
        this.$router.go(-1);
      },
    },
  });
</script>

<style lang="less" scoped>
  .page-404 {
    margin: 150px auto 0;
    width: 500px;
    text-align: center;

    h2 {
      font-size: 160px;
      letter-spacing: 20px;
      color: @primary-color;
      text-align: center;
    }

    h3 {
      padding: 10px 0;
      font-size: 36px;
      letter-spacing: 3px;
      color: @text-color;
      text-align: center;
    }

    p {
      font-size: 14px;
      color: @text-color-secondary;
    }

    .op-list {
      border-top: 1px solid @border-color-base;
      width: 76%;
      margin: 0 auto;

      span {
        padding-left: 16px;
        color: @text-color-secondary;
      }
    }
  }
</style>