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src/views/404/404.vue

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+<template>
+  <div class="not-found-container">
+    <div class="not-found-content">
+      <div class="not-found-big">404</div>
+      <div class="not-found-message">页面未找到</div>
+      <div class="not-found-desc">很抱歉，您访问的页面不存在或已被删除。</div>
+      <router-link to="/" class="back-home-btn">返回首页</router-link>
+    </div>
+  </div>
+</template>
+
+<script setup>
+// 这里可以根据需要添加自定义逻辑
+</script>
+
+<style scoped>
+.not-found-container {
+  min-height: 100vh;
+  background: linear-gradient(120deg, #6a82fb 0%, #fc5c7d 100%);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+
+.not-found-content {
+  background: #fff;
+  padding: 60px 48px 40px;
+  border-radius: 16px;
+  box-shadow: 0 4px 24px rgba(0,0,0,0.10);
+  text-align: center;
+  animation: float-in 0.8s cubic-bezier(.7,.13,.45,.81) both;
+}
+
+.not-found-big {
+  font-size: 100px;
+  font-weight: bold;
+  letter-spacing: 3px;
+  background: linear-gradient(90deg, #6a82fb 0%, #fc5c7d 100%);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  margin-bottom: 18px;
+}
+
+.not-found-message {
+  font-size: 28px;
+  color: #222;
+  margin-bottom: 10px;
+  font-weight: 600;
+}
+
+.not-found-desc {
+  font-size: 16px;
+  color: #888;
+  margin-bottom: 28px;
+}
+
+.back-home-btn {
+  display: inline-block;
+  background: linear-gradient(90deg, #6a82fb 0%, #fc5c7d 100%);
+  color: #fff;
+  padding: 10px 36px;
+  border-radius: 24px;
+  font-size: 16px;
+  text-decoration: none;
+  font-weight: 500;
+  transition: background 0.2s;
+  box-shadow: 0 2px 8px rgba(252,92,125,0.07);
+}
+
+.back-home-btn:hover {
+  background: linear-gradient(-90deg, #6a82fb 0%, #fc5c7d 100%);
+}
+
+@keyframes float-in {
+  0% {
+    transform: translateY(30px) scale(0.97);
+    opacity: 0;
+  }
+  100% {
+    transform: translateY(0) scale(1);
+    opacity: 1;
+  }
+}
+</style>