body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; margin: 0; padding: 0; background-color: #f9f0e6; }
        .container { max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { background-color: #8b0000; color: white; padding: 15px; text-align: center; position: relative; }
        .logo { font-size: 28px; font-weight: bold; text-transform: uppercase; }
        .logo span { color: #ffd700; }
        nav { display: flex; justify-content: center; margin-top: 10px; }
        nav a { color: white; margin: 0 15px; text-decoration: none; }
        .mobile-nav-btn { display: none; position: absolute; top: 15px; right: 15px; background: none; border: none; color: white; font-size: 24px; }
        h1 { color: #8b0000; text-align: center; margin-bottom: 30px; }
        h2 { color: #8b4513; border-bottom: 2px solid #8b0000; padding-bottom: 5px; margin-top: 40px; }
        h3 { color: #a0522d; }
        .btn { display: inline-block; padding: 10px 20px; background-color: #8b0000; color: white; text-decoration: none; border-radius: 5px; margin: 10px 0; }
        .download-section { text-align: center; margin: 30px 0; }
        .feature-list { list-style-type: none; padding: 0; }
        .feature-list li { margin-bottom: 10px; padding-left: 20px; position: relative; }
        .feature-list li:before { content: "✓"; color: #8b0000; position: absolute; left: 0; }
        img { max-width: 100%; height: auto; display: block; margin: 20px auto; border-radius: 8px; }
        footer { background-color: #8b0000; color: white; text-align: center; padding: 20px; margin-top: 40px; }
        .tags { margin: 20px 0; }
        .tag { background-color: #ffd700; color: #8b0000; padding: 5px 10px; margin: 0 5px; border-radius: 3px; text-decoration: none; }
        @media (max-width: 768px) {
            .mobile-nav-btn { display: block; }
            nav { display: none; flex-direction: column; align-items: center; }
            nav.active { display: flex; }
            nav a { margin: 5px 0; }
        }