first commit

src/views/NotFound.vue

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+<template>
+    <div class="not-found">
+        <div class="not-found-content">
+            <h1>404</h1>
+            <h2>页面未找到</h2>
+            <p>抱歉，您访问的页面不存在或已被移除。</p>
+            <div class="suggestions">
+                <h3>您可以尝试：</h3>
+                <ul>
+                    <li><router-link to="/">返回首页</router-link></li>
+                    <li><router-link to="/help">查看帮助中心</router-link></li>
+                    <li><router-link to="/service">联系客服</router-link></li>
+                </ul>
+            </div>
+            <div class="actions">
+                <router-link to="/" class="home-link">返回首页</router-link>
+                <router-link to="/help" class="help-link">帮助中心</router-link>
+            </div>
+        </div>
+    </div>
+</template>
+
+<script setup>
+import { onMounted } from 'vue'
+import { useSEO } from '@/composables/useSEO'
+
+// SEO优化
+const { updateSEO } = useSEO()
+
+onMounted(() => {
+    updateSEO({
+        title: '404 - 页面未找到 | 全能查',
+        description: '抱歉，您访问的页面不存在。全能查专业大数据风险管控平台，提供大数据风险报告查询、婚姻状况查询、个人信用评估等服务。',
+        keywords: '404, 页面未找到, 全能查, 大数据风险管控',
+        url: 'https://www.zhinengcha.cn/404'
+    })
+})
+</script>
+
+<style scoped>
+.not-found {
+    min-height: 100vh;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    padding: 20px;
+}
+
+.not-found-content {
+    background: white;
+    padding: 60px 40px;
+    border-radius: 20px;
+    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
+    text-align: center;
+    max-width: 600px;
+    width: 100%;
+}
+
+.not-found h1 {
+    font-size: 120px;
+    color: #667eea;
+    margin: 0 0 20px 0;
+    font-weight: bold;
+    line-height: 1;
+}
+
+.not-found h2 {
+    font-size: 32px;
+    color: #333;
+    margin: 0 0 20px 0;
+    font-weight: 600;
+}
+
+.not-found p {
+    font-size: 18px;
+    color: #666;
+    margin-bottom: 30px;
+    line-height: 1.6;
+}
+
+.suggestions {
+    margin: 30px 0;
+    text-align: left;
+}
+
+.suggestions h3 {
+    font-size: 20px;
+    color: #333;
+    margin-bottom: 15px;
+    text-align: center;
+}
+
+.suggestions ul {
+    list-style: none;
+    padding: 0;
+    margin: 0;
+}
+
+.suggestions li {
+    margin: 10px 0;
+    padding: 10px 0;
+    border-bottom: 1px solid #eee;
+}
+
+.suggestions li:last-child {
+    border-bottom: none;
+}
+
+.suggestions a {
+    color: #667eea;
+    text-decoration: none;
+    font-size: 16px;
+    transition: color 0.3s;
+}
+
+.suggestions a:hover {
+    color: #5a6fd8;
+    text-decoration: underline;
+}
+
+.actions {
+    margin-top: 40px;
+    display: flex;
+    gap: 20px;
+    justify-content: center;
+    flex-wrap: wrap;
+}
+
+.home-link, .help-link {
+    display: inline-block;
+    padding: 15px 30px;
+    font-size: 16px;
+    font-weight: 600;
+    text-decoration: none;
+    border-radius: 50px;
+    transition: all 0.3s ease;
+    min-width: 140px;
+}
+
+.home-link {
+    color: #fff;
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+}
+
+.home-link:hover {
+    transform: translateY(-2px);
+    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
+}
+
+.help-link {
+    color: #667eea;
+    background: white;
+    border: 2px solid #667eea;
+}
+
+.help-link:hover {
+    background: #667eea;
+    color: white;
+    transform: translateY(-2px);
+}
+
+@media (max-width: 768px) {
+    .not-found-content {
+        padding: 40px 20px;
+    }
+    
+    .not-found h1 {
+        font-size: 80px;
+    }
+    
+    .not-found h2 {
+        font-size: 24px;
+    }
+    
+    .actions {
+        flex-direction: column;
+        align-items: center;
+    }
+    
+    .home-link, .help-link {
+        width: 100%;
+        max-width: 200px;
+    }
+}
+</style>