body { font-family: Arial, sans-serif; line-height: 1.6; margin: 0; padding: 0; color: #333; background-color: #f5f5f5; }
        .header { background-color: #1a73e8; color: white; padding: 15px 20px; display: flex; justify-content: space-between; align-items: center; }
        .logo { font-size: 24px; font-weight: bold; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
        .nav { display: flex; gap: 15px; }
        .nav a { color: white; text-decoration: none; }
        .mobile-menu-btn { display: none; background: none; border: none; color: white; font-size: 20px; cursor: pointer; }
        .container { max-width: 1200px; margin: 20px auto; padding: 0 20px; }
        h1 { font-size: 28px; margin-bottom: 20px; color: #1a73e8; }
        h2 { font-size: 22px; margin: 25px 0 15px; color: #333; border-bottom: 2px solid #1a73e8; padding-bottom: 5px; }
        h3 { font-size: 18px; margin: 20px 0 10px; color: #555; }
        p { margin-bottom: 15px; }
        .btn { display: inline-block; padding: 10px 20px; background-color: #1a73e8; color: white; text-decoration: none; border-radius: 5px; margin: 10px 0; }
        .image-container { text-align: center; margin: 20px 0; }
        .image-container img { max-width: 100%; height: auto; border-radius: 8px; }
        .footer { background-color: #333; color: white; text-align: center; padding: 20px; margin-top: 30px; }
        .footer a { color: #1a73e8; text-decoration: none; }
        @media (max-width: 768px) {
            .nav { display: none; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0; background-color: #1a73e8; padding: 10px; }
            .nav.active { display: flex; }
            .mobile-menu-btn { display: block; }
            h1 { font-size: 24px; }
            h2 { font-size: 20px; }
        }