body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; margin: 0; padding: 0; background-color: #e8f4fc; }
        .container { max-width: 1200px; margin: 0 auto; padding: 20px; }
        .header { background-color: #0066cc; color: white; padding: 20px; text-align: center; position: relative; }
        .header h1 { margin: 0; font-size: 2.5em; }
        .nav { display: flex; justify-content: center; gap: 20px; margin-top: 15px; }
        .nav a { color: white; text-decoration: none; }
        .mobile-nav-toggle { display: none; position: absolute; top: 20px; right: 20px; }
        @media (max-width: 768px) {
            .nav { display: none; flex-direction: column; }
            .nav.active { display: flex; }
            .mobile-nav-toggle { display: block; }
        }
        .content { padding: 20px 0; }
        .download-btn, .login-btn { 
            display: inline-block; 
            padding: 12px 24px; 
            margin: 10px 0; 
            background-color: #ff9900; 
            color: white; 
            text-decoration: none; 
            border-radius: 5px; 
            font-weight: bold; 
        }
        .section-title { color: #0066cc; border-bottom: 2px solid #ff9900; padding-bottom: 5px; margin: 25px 0 15px; }
        .feature-list { background-color: white; padding: 15px; border-radius: 8px; margin: 15px 0; }
        .player-review { background-color: #f0f8ff; padding: 15px; margin: 15px 0; border-left: 4px solid #0066cc; }
        .footer { background-color: #333; color: white; text-align: center; padding: 20px; margin-top: 30px; }
        img { max-width: 100%; height: auto; margin: 15px 0; }