Automatically scrolls up or down with customizable settings for speed, interval, and behavior (smooth, auto, instant, linear). Supports dynamic content loading with configurable timeout at page boundaries, panel positioning (top-left, top-right, bottom-left, bottom-right), and hide/show panel with saved state. Multilingual UI (English, Chinese, Spanish, Japanese) for enhanced usability and SEO. Ideal for web scraping, content browsing, and automation. / 自动向上或向下滚动，支持动态内容加载，带可配置的页面边界超时。可自定义滚动速度、间隔