body {
            background-color: #f3f4f6;
            font-family: 'Arial', sans-serif;
        }
        .container {
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
        }
        .ad-container {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        .error {
            color: #dc2626;
            font-size: 0.875rem;
        }
        .result-box, .content-box, .faq-box {
            background-color: #ffffff;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            margin-bottom: 20px;
        }
        .faq-box h3 {
            color: #1f2937;
            font-size: 1.25rem;
            margin-bottom: 10px;
        }
        .faq-box details {
            margin-bottom: 15px;
        }
        .faq-box summary {
            cursor: pointer;
            font-weight: 500;
            color: #374151;
        }
        .faq-box p {
            color: #4b5563;
            margin-top: 5px;
        }
        header, footer {
            background-color: #1f2937;
            color: #ffffff;
            padding: 20px;
            text-align: center;
        }
        header h1 {
            font-size: 2rem;
            margin-bottom: 10px;
        }
        header nav a {
            color: #60a5fa;
            text-decoration: none;
            margin: 0 15px;
            font-size: 1.1rem;
        }
        header nav a:hover {
            text-decoration: underline;
        }
        footer a {
            color: #60a5fa;
            text-decoration: none;
        }
        footer a:hover {
            text-decoration: underline;
        }