* { margin: 0; padding: 0; box-sizing: border-box; font-family: Arial, sans-serif; }
        .main-content { max-width: 800px; margin: 0 auto; padding: 30px 20px; }
        .section-title { font-size: 24px; color: #333; margin-bottom: 20px; text-align: center; }
        .welcome-message { background-color: #f8f9fa; padding: 25px; border-radius: 8px; margin-bottom: 30px; text-align: center; line-height: 1.6; }
        .welcome-message h2 { color: #3498db; margin-bottom: 15px; font-size: 20px; }
        .highlight { font-weight: bold; color: #3498db; }
        .form-container { background-color: white; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); padding: 30px; margin-bottom: 30px; }
        .form-title { color: #3498db; margin-bottom: 20px; font-size: 18px; text-align: center; }
        .form-group { margin-bottom: 20px; }
        .form-group label { display: block; margin-bottom: 5px; font-weight: 500; color: #333; }
        .form-group input[type="text"],
        .form-group input[type="email"],
        .form-group input[type="url"],
        .form-group textarea,
        .form-group select {
            width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; transition: border-color 0.2s;
        }
        .form-group textarea { min-height: 120px; resize: vertical; }
        .required:after { content: " *"; color: #e74c3c; }
        .submit-btn {
            display: block; width: 100%; padding: 12px; background-color: #3498db; color: white;
            border: none; border-radius: 4px; font-size: 16px; font-weight: 500; cursor: pointer; transition: background-color 0.2s;
        }
        .submit-btn:hover { background-color: #2980b9; }
        .info-message { background-color: #e8f4fd; padding: 15px; border-radius: 4px; margin: 20px 0; border-left: 4px solid #3498db; }
        .info-message i { color: #3498db; margin-right: 8px; }
        .alert-message { padding: 15px; margin-bottom: 20px; border-radius: 4px; text-align: center; }
        .alert-message.success { background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
        .alert-message.error { background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
        @media (max-width: 768px) { .main-content, .form-container, .welcome-message { padding: 20px; } }