body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { background: linear-gradient(135deg, #FF9933, #FFFFFF, #138808); padding: 15px; text-align: center; position: relative; }
        .logo { font-size: 28px; font-weight: bold; color: #FFFFFF; text-shadow: 2px 2px 4px #000000; }
        nav { display: flex; justify-content: center; gap: 20px; margin: 10px 0; }
        nav a { color: #FFFFFF; text-decoration: none; font-weight: bold; }
        .mobile-menu { display: none; position: absolute; top: 15px; right: 15px; background: #FFFFFF; border: none; padding: 5px 10px; }
        h1 { color: #138808; text-align: center; margin: 30px 0 20px; }
        h2 { color: #FF9933; border-bottom: 2px solid #138808; padding-bottom: 5px; margin: 25px 0 15px; }
        h3 { color: #000080; margin: 20px 0 10px; }
        .btn { display: inline-block; background: #138808; color: #FFFFFF; padding: 10px 20px; margin: 10px 0; border-radius: 5px; text-decoration: none; font-weight: bold; }
        .btn:hover { background: #FF9933; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        footer { background: #333; color: #FFFFFF; padding: 20px; text-align: center; margin-top: 40px; }
        @media (max-width: 768px) {
            nav { flex-direction: column; align-items: center; display: none; }
            .mobile-menu { display: block; }
            .nav-active { display: flex; }
        }