body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { display: flex; justify-content: space-between; align-items: center; padding: 15px 0; border-bottom: 2px solid #FF9900; }
        .logo { font-size: 28px; font-weight: bold; color: #FF4500; text-shadow: 1px 1px 2px rgba(0,0,0,0.1); }
        nav ul { display: flex; list-style: none; gap: 20px; }
        nav a { text-decoration: none; color: #0066CC; }
        .mobile-menu { display: none; }
        h1 { color: #FF4500; border-bottom: 3px solid #FF9900; padding-bottom: 10px; }
        h2 { color: #0066CC; margin-top: 30px; }
        h3 { color: #339966; }
        .download-btn, .login-btn { display: inline-block; padding: 12px 25px; background: #FF4500; color: white; border-radius: 30px; text-decoration: none; margin: 15px 0; }
        .stats-box { background: #f8f8f8; padding: 20px; border-radius: 10px; margin: 20px 0; }
        img { max-width: 100%; height: auto; border-radius: 10px; margin: 20px 0; }
        footer { margin-top: 50px; padding: 20px 0; border-top: 2px solid #FF9900; text-align: center; }
        @media (max-width: 768px) {
            nav ul { display: none; }
            .mobile-menu { display: block; background: #FF4500; color: white; padding: 10px; border-radius: 5px; cursor: pointer; }
            .active-nav { display: flex; flex-direction: column; gap: 10px; }
        }