h1 {
            text-align: center;
            color: #222;
        }
        .faq-container {
            margin-top: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        details {
            background: #f9f9f9;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            padding: 1rem;
            transition: background 0.3s ease;
        }
        details[open] {
            background: #f0f7ff;
            border-color: #0066cc;
        }
        summary {
            font-weight: bold;
            cursor: pointer;
            user-select: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        summary::-webkit-details-marker {
            display: none;
        }
        summary::after {
            content: "➔";
            font-size: 0.8rem;
            transition: transform 0.3s ease;
            margin-left: 1rem;
        }
        details[open] summary::after {
            transform: rotate(90deg);
        }
        .faq-answer {
            margin-top: 0.75rem;
            padding-top: 0.75rem;
            border-top: 1px solid #e0e0e0;
            color: #555;
        }