body { font-family: "Helvetica Neue", Arial, sans-serif; line-height: 1.6; margin: 0; padding: 0; background: #f9f9f9; color: #333; } .container { max-width: 600px; margin: 0 auto; background: #fff; padding: 15px 20px; } h1, h2, h3 { color: #0055a5; font-weight: bold; } h1 { font-size: 1.8rem; margi…