from markdownify import MarkdownConverter as _MarkdownConverter

class MarkdownConverter:
    """HTML 转 Markdown 转换器，保留完整格式"""

    def __init__(self):
        self.converter = _MarkdownConverter(
            heading_style="ATX",
            bullets="*,-",
            code_blocks=True,
            tables=True,
            strip=["script", "style", "nav", "footer", "aside"]
        )

    def convert(self, html: str) -> str:
        """转换 HTML 为 Markdown"""
        return self.converter.convert(html)