body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; margin: 0; padding: 0; background-color: #f5f5f5; }
        .container { max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { background-color: #e74c3c; color: white; padding: 20px; text-align: center; position: relative; }
        .logo { font-size: 28px; font-weight: bold; letter-spacing: 2px; }
        nav { display: flex; justify-content: center; gap: 20px; margin-top: 10px; }
        nav a { color: white; text-decoration: none; }
        .mobile-nav-toggle { display: none; position: absolute; top: 20px; right: 20px; }
        h1 { color: #e74c3c; margin-top: 40px; }
        h2 { color: #c0392b; border-bottom: 2px solid #e74c3c; padding-bottom: 5px; }
        h3 { color: #2980b9; }
        .download-btn, .login-btn { display: inline-block; padding: 12px 25px; background-color: #27ae60; color: white; text-decoration: none; border-radius: 5px; margin: 10px 0; }
        .stats-box { background-color: white; padding: 15px; border-radius: 8px; margin: 20px 0; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
        img { max-width: 100%; height: auto; display: block; margin: 20px auto; border-radius: 8px; }
        footer { background-color: #34495e; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        @media (max-width: 768px) {
            .mobile-nav-toggle { display: block; }
            nav { flex-direction: column; display: none; }
            nav.active { display: flex; }
            .container { padding: 10px; }
        }