tn" class="button">新建TXT</button>
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            <ul id="noteList" class="note-list-panel" aria-live="polite">
                <!-- 笔记项目将由 JavaScript 动态插入此处 -->
            </ul>
        </div>

        <!-- Resizer Handle -->
        <div class="resizer" id="resizer"></div>

        <!-- 用于笔记编辑和预览的主内容区域 -->
        <