将 web-admin 从子模块改为仓库内普通目录，便于单仓克隆与维护。

Co-authored-by: Cursor <cursoragent@cursor.com>

web-admin/src/components/core/base/art-back-to-top/index.vue

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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>

web-admin/src/components/core/base/art-logo/index.vue

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+<!-- 系统logo -->
+<template>
+  <div class="flex-cc">
+    <img
+      :style="logoStyle"
+      src="/logo1.jpg"
+      alt="中科兴皖一体化门户"
+      class="block object-contain"
+    />
+  </div>
+</template>
+
+<script setup lang="ts">
+  defineOptions({ name: 'ArtLogo' })
+
+  interface Props {
+    /** logo 大小 */
+    size?: number | string
+  }
+
+  const props = withDefaults(defineProps<Props>(), {
+    size: 36
+  })
+
+  const logoStyle = computed(() => ({
+    width: `${props.size}px`,
+    height: `${props.size}px`
+  }))
+</script>

web-admin/src/components/core/base/art-svg-icon/index.vue

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+<!-- 图标组件 -->
+<template>
+  <Icon v-if="icon" :icon="icon" v-bind="bindAttrs" class="art-svg-icon inline" />
+</template>
+
+<script setup lang="ts">
+  import { Icon } from '@iconify/vue'
+
+  defineOptions({ name: 'ArtSvgIcon', inheritAttrs: false })
+
+  interface Props {
+    /** Iconify icon name */
+    icon?: string
+  }
+
+  defineProps<Props>()
+
+  const attrs = useAttrs()
+
+  const bindAttrs = computed<{ class: string; style: string }>(() => ({
+    class: (attrs.class as string) || '',
+    style: (attrs.style as string) || ''
+  }))
+</script>