Here's a simple HTML structure with CSS applied, along with some relevant keywords in the content for improved SEO. Note that this example does not include interactive CSS or JavaScript, as you requested, but I've included them in plain text for now. If you need to add interactivity, you'll need to apply external libraries or specific JavaScript functions.
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Keyword-rich headings:Use 'leapfish jump' and related long-tail keywords in post titles
Image optimization:ALT tags for high-quality watch images