body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #2c7a3a; text-align: center; }
        h2 { color: #e67e22; border-bottom: 2px solid #f39c12; padding-bottom: 5px; }
        h3 { color: #3498db; }
        .logo { font-size: 28px; font-weight: bold; color: #2c7a3a; text-align: center; margin: 20px 0; }
        .nav { background: #f8f9fa; padding: 10px; display: flex; justify-content: space-between; align-items: center; }
        .nav-links { display: flex; gap: 15px; }
        .mobile-nav-btn { display: none; background: #2c7a3a; color: white; border: none; padding: 8px 12px; cursor: pointer; }
        .content { margin: 30px 0; }
        .download-btn, .login-btn { display: inline-block; background: #2c7a3a; color: white; padding: 12px 25px; margin: 10px 0; text-decoration: none; border-radius: 5px; }
        .img-container { text-align: center; margin: 25px 0; }
        .img-container img { max-width: 100%; height: auto; border-radius: 8px; }
        .tags { margin: 20px 0; }
        .tag { background: #e0e0e0; padding: 5px 10px; margin: 3px; display: inline-block; border-radius: 15px; }
        footer { margin-top: 40px; padding: 20px; background: #f1f1f1; text-align: center; }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .mobile-nav-btn { display: block; }
            .show-nav .nav-links { display: flex; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: #f8f9fa; padding: 10px; }
        }