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: 2.2em; font-weight: 800; color: #FF6B35; text-shadow: 2px 2px 4px rgba(0,0,0,0.1); margin-bottom: 20px; }
        nav { background: #004D40; padding: 15px; margin-bottom: 30px; }
        nav a { color: white; text-decoration: none; margin: 0 15px; font-weight: 600; }
        .mobile-nav-btn { display: none; background: #FF6B35; color: white; border: none; padding: 10px; margin: 10px 0; }
        h1 { color: #004D40; font-size: 2.5em; margin: 40px 0 20px; }
        h2 { color: #FF6B35; font-size: 1.8em; margin: 30px 0 15px; }
        h3 { color: #00796B; font-size: 1.5em; margin: 25px 0 10px; }
        .download-btn { background: #FF6B35; color: white; padding: 15px 30px; border-radius: 50px; font-weight: bold; text-decoration: none; display: inline-block; margin: 20px 0; }
        .login-btn { background: #00796B; color: white; padding: 15px 30px; border-radius: 50px; font-weight: bold; text-decoration: none; display: inline-block; margin: 20px 10px; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 10px; }
        table { width: 100%; border-collapse: collapse; margin: 20px 0; }
        th, td { border: 1px solid #ddd; padding: 12px; text-align: left; }
        th { background: #004D40; color: white; }
        tr:nth-child(even) { background: #f2f2f2; }
        .tag { background: #E0F2F1; padding: 5px 10px; border-radius: 20px; margin: 5px; display: inline-block; }
        footer { margin-top: 50px; padding: 30px; background: #004D40; color: white; }
        @media (max-width: 768px) {
            .mobile-nav-btn { display: block; }
            nav { display: none; }
            .nav-active { display: block; }
            body { padding: 10px; }
        }