feat(layout): 重构页面布局与音乐播放组件

将 PlayMusic 组件迁移至 layout/RightButton 并重构成通用右下角按钮组件，
提取音乐播放逻辑到独立 hook `usePlayMusic`，优化模态框提示逻辑并统一滚动行为。

src/layout/useMounted.ts

@@ -0,0 +1,65 @@
+import type { Ref } from 'vue'
+import { storeToRefs } from 'pinia'
+import { onMounted, provide, ref } from 'vue'
+import { useI18n } from 'vue-i18n'
+import { loadingKey, loadingState } from '@/components/Loading'
+import useStore from '@/store'
+import { themeChange } from '@/utils'
+
+export function useMounted(tipDialog: Ref<any>) {
+    provide(loadingKey, loadingState)
+    const globalConfig = useStore().globalConfig
+    const prizeConfig = useStore().prizeConfig
+    const system = useStore().system
+    const { getTheme: localTheme } = storeToRefs(globalConfig)
+    const { getPrizeConfig: prizeList } = storeToRefs(prizeConfig)
+    const tipDesc = ref('')
+    const { t } = useI18n()
+    // 设置当前奖列表
+    function setCurrentPrize() {
+        if (prizeList.value.length <= 0) {
+            return
+        }
+        for (let i = 0; i < prizeList.value.length; i++) {
+            if (!prizeList.value[i].isUsed) {
+                prizeConfig.setCurrentPrize(prizeList.value[i])
+
+                break
+            }
+        }
+    }
+    // 判断是否手机端访问
+    function judgeMobile() {
+        const ua = navigator.userAgent
+        const isAndroid = ua.includes('Android') || ua.includes('Adr')
+        const isIOS = !!ua.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/)
+
+        system.setIsMobile(isAndroid || isIOS)
+
+        return isAndroid || isIOS
+    }
+    // 判断是否chrome或者edge访问
+    function judgeChromeOrEdge() {
+        const ua = navigator.userAgent
+        const isChrome = ua.includes('Chrome')
+        const isEdge = ua.includes('Edg')
+
+        system.setIsChrome(isChrome)
+
+        return isChrome || isEdge
+    }
+    onMounted(() => {
+        themeChange(localTheme.value.name)
+        setCurrentPrize()
+        if (judgeMobile()) {
+            tipDialog.value.showDialog()
+            tipDesc.value = t('dialog.dialogPCWeb')
+        }
+        else if (!judgeChromeOrEdge()) {
+            tipDialog.value.showDialog()
+            tipDesc.value = t('dialog.dialogLatestBrowser')
+        }
+    })
+
+    return { tipDesc }
+}