body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 28px; font-weight: bold; color: #FF6B35; margin: 20px 0; text-align: center; }
        nav { background-color: #1E3A8A; padding: 15px; display: flex; justify-content: space-around; flex-wrap: wrap; }
        nav a { color: white; text-decoration: none; padding: 5px 10px; }
        .mobile-nav-btn { display: none; background: #007BFF; color: white; border: none; padding: 10px; }
        h1 { color: #1E3A8A; border-bottom: 3px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #FF6B35; margin-top: 30px; }
        h3 { color: #1E3A8A; }
        .download-btn, .login-btn { display: inline-block; background: #28A745; color: white; padding: 12px 25px; margin: 15px 0; text-decoration: none; border-radius: 5px; }
        .login-btn { background: #007BFF; }
        .stats-box { background: #f8f9fa; padding: 20px; margin: 20px 0; border-left: 5px solid #FF6B35; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        footer { background: #1E3A8A; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        @media (max-width: 768px) {
            .mobile-nav-btn { display: block; }
            nav { display: none; flex-direction: column; }
            nav.active { display: flex; }
            nav a { padding: 10px; }
        }