Direct BLUF opening...

...

". It doesn't mention H1. But we can include

inside content_html. But we can also rely on H1 outside. The schema doesn't require H1 inside. But we can include

for good structure. But we need to keep H1 short. We'll include

inside content_html maybe. But the schema says "content_html" must be a single string of valid HTML. We'll produce

inside. Now we need to ensure we use single quotes for attributes. We'll use . We need to ensure we don't use double quotes. We'll use single quotes. Now we need to ensure we don't use any banned phrases. We'll avoid them. Now we need to ensure we use only one external reference link. We'll use Official Guide / Research. We'll place it maybe in the "How it works" section. Now we need to ensure we include [INTERNAL_LINK_1] placeholder exactly once. We'll put it maybe in the "Opportunities and realistic risks" section. Now we need to include 1 real-world hands-on experience sentence. We'll include that. Now we need to include at least 1 concrete numerical statistic. We'll include the 80% statistic. Now we need to include a comparison table. We'll create a table with methods: Pinch, Cold compress, Ice, etc. Now we need to use
    for sequential workflows: steps to stop nosebleed. We'll create
      . Now we need to use