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: #FF4500; text-shadow: 1px 1px 2px rgba(0,0,0,0.2); margin-bottom: 20px; }
        nav { background: #FF6B35; padding: 15px; border-radius: 8px; margin-bottom: 30px; }
        nav ul { display: flex; justify-content: space-around; list-style: none; padding: 0; margin: 0; }
        nav a { color: white; text-decoration: none; font-weight: bold; }
        .mobile-menu { display: none; background: #FF6B35; color: white; border: none; padding: 10px; border-radius: 5px; }
        h1 { color: #FF4500; border-bottom: 3px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #E63946; margin-top: 30px; }
        h3 { color: #457B9D; }
        .download-btn { display: inline-block; background: #4CAF50; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; margin: 15px 0; font-weight: bold; }
        .login-btn { display: inline-block; background: #2196F3; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; margin: 15px 0; font-weight: bold; }
        img { max-width: 100%; height: auto; border-radius: 8px; margin: 20px 0; }
        .highlight { background: #FFF3BF; padding: 5px 10px; border-radius: 4px; }
        footer { margin-top: 50px; padding: 20px; background: #333; color: white; border-radius: 8px; }
        .tag { display: inline-block; background: #666; color: white; padding: 5px 10px; margin: 5px; border-radius: 20px; text-decoration: none; }
        @media (max-width: 768px) {
            nav ul { flex-direction: column; align-items: center; }
            .mobile-menu { display: block; width: 100%; text-align: center; }
            nav { display: none; }
            .nav-active { display: block; }
        }