---
layout: page
---

<script setup>
import { ref, onMounted, onUnmounted } from 'vue'

const countdown = ref(5)
let timer = null

onMounted(() => {
  timer = setInterval(() => {
    countdown.value--
    if (countdown.value <= 0) {
      clearInterval(timer)
      window.location.href = '/GFramework/zh-CN/'
    }
  }, 1000)
})

onUnmounted(() => {
  if (timer) {
    clearInterval(timer)
  }
})

const goHome = () => {
  if (timer) {
    clearInterval(timer)
  }
  window.location.href = '/GFramework/zh-CN/'
}
</script>

<style scoped>
.not-found-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
  padding: 20px;
}

.error-code {
  font-size: 120px;
  font-weight: bold;
  background: linear-gradient(120deg, #3451b2 0%, #6366f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
  line-height: 1;
}

.error-title {
  font-size: 32px;
  margin: 20px 0 10px;
  color: var(--vp-c-text-1);
}

.error-message {
  font-size: 18px;
  color: var(--vp-c-text-2);
  margin-bottom: 10px;
}

.countdown-text {
  font-size: 16px;
  color: var(--vp-c-text-3);
  margin: 20px 0;
}

.countdown-number {
  color: #3451b2;
  font-weight: bold;
  font-size: 20px;
}

.action-buttons {
  display: flex;
  gap: 16px;
  margin-top: 30px;
}

.btn {
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
  font-size: 16px;
}

.btn-primary {
  background: #3451b2;
  color: white;
}

.btn-primary:hover {
  background: #2841a0;
  transform: translateY(-2px);
}
</style>

<div class="not-found-container">
  <h1 class="error-code">404</h1>
  <h2 class="error-title">Page Not Found / 页面未找到</h2>
  <p class="error-message">The page you are looking for does not exist.<br>您访问的页面不存在。</p>

  <p class="countdown-text">
    Auto redirecting in <span class="countdown-number">{{ countdown }}</span> seconds<br>
    <span class="countdown-number">{{ countdown }}</span> 秒后自动跳转
  </p>
   <div class="suggestions">
    <h3>📚 您可能想访问：</h3>
    <ul>
      <li>→ <a href="/GFramework/zh-CN/getting-started/installation">安装配置</a></li>
      <li>→ <a href="/GFramework/zh-CN/getting-started/quick-start">快速开始</a></li>
      <li>→ <a href="/GFramework/zh-CN/core/overview">Core 核心框架</a></li>
      <li>→ <a href="/GFramework/zh-CN/tutorials/basic-tutorial">基础教程</a></li>
    </ul>
  </div>
  <div class="action-buttons">
    <button class="btn btn-primary" @click="goHome">
      Go to Homepage / 返回首页
    </button>
  </div>
</div>
```