body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .mobile-nav { display: none; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-nav { display: block; position: fixed; bottom: 0; width: 100%; background: #1a3e72; color: white; padding: 10px; text-align: center; }
            .content { margin-bottom: 80px; }
        }
        h1 { color: #d42a1e; border-bottom: 3px solid #ff9900; padding-bottom: 10px; }
        h2 { color: #1a3e72; margin-top: 30px; }
        h3 { color: #3a7d44; }
        .highlight { background-color: #fffde7; padding: 5px 10px; border-radius: 4px; }
        .btn { display: inline-block; padding: 10px 20px; background: #d42a1e; color: white; text-decoration: none; border-radius: 5px; margin: 10px 0; }
        .download-btn { background: #3a7d44; }
        .login-btn { background: #1a3e72; }
        .game-img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }