<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Secure Download</title> <style> body { font-family: Arial, sans-serif; text-align: center; background: #f2f2f2; margin: 0; padding: 0; } .container { margin-top: 120px; } h1 { color: #333; } .btn { display: inline-block; padding: 15px 25px; font-size: 18px; color: white; background: #007bff; text-decoration: none; border-radius: 8px; } .btn:hover { ...