tor Area -->
                <div class="editor-container">
                    <textarea id="noteContent" placeholder="开始写笔记..." aria-label="笔记内容"></textarea>
                    <div class="content-bubble editor-bubble">编辑区</div>
                </div>
                <!-- Preview Area -->
                <div class="preview-container">
                    <div id="previewContent" class="markdown-preview" aria-live="polite">
                        <!-- Markdown 预览将�