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: #2e8b57; text-align: center; margin: 20px 0; }
        nav { background: #f8f8f8; padding: 10px; border-radius: 5px; display: flex; justify-content: space-around; }
        .mobile-menu { display: none; }
        @media (max-width: 768px) {
            nav { flex-direction: column; display: none; }
            .mobile-menu { display: block; text-align: center; margin: 10px 0; }
        }
        h1 { color: #2e8b57; text-align: center; margin-bottom: 30px; }
        h2 { color: #4CAF50; border-bottom: 2px solid #4CAF50; padding-bottom: 5px; }
        h3 { color: #2e8b57; }
        .btn { display: inline-block; background: #2e8b57; color: white; padding: 10px 20px; margin: 10px 0; border-radius: 5px; text-decoration: none; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        footer { background: #f8f8f8; padding: 20px; margin-top: 30px; }