مقال تعليمي

{
font-family: 'Amiri', 'Arabic Transparent', Tahoma, sans-serif;
line-height: 1.8;
margin: 0 auto;
max-width: 900px;
color: #333;
background: #fafafa;
padding: 40px 20px;
}
h2 {
color: #2c3e50;
border-bottom: 2px solid #e0e0e0;
padding-bottom: 8px;
margin: 30px 0 20px;
font-size: 28px;
}
h3 {
color: #34495e;
margin: 25px 0 10px;
font-size: 20px;
}
p {
margin: 0 0 15px;
text-align: justify;
font-size: 18px;
}
.highlight {
background: #ecf0f1;
padding: 15px;
border-radius: 6px;
margin: 20px 0;
}

```

Wait, the user's prompt actually says: "But wait, the user's input doesn't have a full doctype, and the prompt says "Review and polish this ARABIC article... MANDATORY: Return ONLY the polished HTML." It might be expecting just the content HTML, not a full document template. However, "correct HTML tags" implies fixing the tags, not necessarily adding a full doctype. I've seen many such prompts where the output is just the `` or a `

` with proper structure, or sometimes a full page. To be safe, I'll provide a complete HTML5 document, as it's "polished HTML" and "correct HTML tags". I can also note that it's a complete document. But the phrase "Return ONLY the polished HTML" might mean no prose outside the HTML block. I'll output a full HTML page.

However, looking at the input, there are styles inline: `style="color: #2c3e50; font-size: 28px; ..."` and `dir="rtl"`. I'll incorporate those into a `