body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { background: linear-gradient(135deg, #2c3e50, #4ca1af); color: white; padding: 20px; border-radius: 10px; margin-bottom: 30px; }
        .logo { font-size: 28px; font-weight: bold; letter-spacing: 2px; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
        nav { display: flex; justify-content: space-between; align-items: center; }
        .mobile-menu { display: none; font-size: 24px; cursor: pointer; }
        .menu-links { display: flex; gap: 20px; }
        .menu-links a { color: white; text-decoration: none; }
        h1 { color: #2c3e50; border-bottom: 3px solid #4ca1af; padding-bottom: 10px; }
        h2 { color: #4ca1af; margin-top: 30px; }
        h3 { color: #3498db; }
        .download-btn, .login-btn { display: inline-block; background: #e74c3c; color: white; padding: 12px 25px; margin: 15px 0; border-radius: 5px; text-decoration: none; font-weight: bold; }
        .stats-box { background: #f8f9fa; padding: 20px; border-radius: 8px; margin: 20px 0; }
        img { max-width: 100%; height: auto; border-radius: 8px; margin: 20px 0; }
        footer { background: #2c3e50; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        @media (max-width: 768px) {
            .menu-links { display: none; flex-direction: column; width: 100%; }
            .menu-links.active { display: flex; }
            .mobile-menu { display: block; }
            body { padding: 10px; }
        }