Here's a simple HTML code with CSS and inline JavaScript that showcases a promotional video and highlights related keywords for better search visibility. The interactive CSS and JS are minimal to demonstrate the concepts.
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深入了解典范產品宣傳視頻的策略 ( обычный текст ), 這些例子不僅娛樂了觀眾,更能誘發購買行為 (keyword-indicator)。