douyin-video-downloader 是做什么的?
Downloads Douyin (Douyin) videos and photo galleries. Use when a user provides a Douyin share link (v.douyin.com/xxx, www.douyin.com/video/, www.douyin.com/note/) and requests saving, downloading, or backing up videos, or complains about downloader parsing failures, low-resolution playback, or login requirements for HD viewing. Uses real Chrome + DevTools Protocol to read direct player URLs, bypassing Douyin's JS-VMP anti-crawling and CAPTCHA intermediate pages for cookie-less requests.