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2026-01-10 10:04:08 +08:00
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+<!-- 返回顶部按钮 -->
+<template>
+  <Transition
+    enter-active-class="tad-300 ease-out"
+    leave-active-class="tad-200 ease-in"
+    enter-from-class="opacity-0 translate-y-2"
+    enter-to-class="opacity-100 translate-y-0"
+    leave-from-class="opacity-100 translate-y-0"
+    leave-to-class="opacity-0 translate-y-2"
+  >
+    <div
+      v-show="showButton"
+      class="fixed right-10 bottom-15 size-9.5 flex-cc c-p border border-g-300 rounded-md tad-300 hover:bg-g-200"
+      @click="scrollToTop"
+    >
+      <ArtSvgIcon icon="ri:arrow-up-wide-line" class="text-g-500 text-lg" />
+    </div>
+  </Transition>
+</template>
+
+<script setup lang="ts">
+  import { useCommon } from '@/hooks/core/useCommon'
+
+  defineOptions({ name: 'ArtBackToTop' })
+
+  const { scrollToTop } = useCommon()
+
+  const showButton = ref(false)
+  const scrollThreshold = 300
+
+  onMounted(() => {
+    const scrollContainer = document.getElementById('app-main')
+    if (scrollContainer) {
+      const { y } = useScroll(scrollContainer)
+      watch(y, (newY: number) => {
+        showButton.value = newY > scrollThreshold
+      })
+    }
+  })
+</script>