shadowroot中无法加载样式

[rockeralx]

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

4.2.6

Environment

chrome：135.0.7049.114，vue：3.5.13，系统：macos Sequoia 15.3.1

Reproduction link

Steps to reproduce

//mian.ts
let container = document.getElementById('app')
const shadowRoot = container.attachShadow({mode: 'open'})
let root = document.createElement('div')
root.setAttribute('id', 'app')
shadowRoot.appendChild(root)
app.mount(root)

<script setup lang="ts">
//面板容器
let hrpContainer = ref(null)
let visible = ref(false);
</script>
<template>
<div class="hrp-container" v-show="!visible" ref="hrpContainer">
<div class="hrp-button" v-if="hrpContainer">
<a-tooltip placement="left" :get-popup-container="()=>hrpContainer.parentElement" title="网页助手">
<div class="loading-container" key="ball-loading">
<span>加</span>
<span>载</span>
<span>中</span>
</div>
</a-tooltip>
</div>
</div>
</template>

What is expected?

提供相关的配置，能够正确在shadowroot中加载

What is actually happening?

无法加载组件样式

[github-actions]

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