h2 {
            text-align: center;
            color: #2c3e50;
        }

        .faq-container {
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            overflow: hidden;
        }

        details {
            border-bottom: 1px solid #eee;
            transition: background 0.3s;
        }

        details:last-child {
            border-bottom: none;
        }

        summary {
            padding: 16px 20px;
            font-weight: 600;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            outline: none;
        }

        summary::after {
            content: '+';
            font-size: 1.2rem;
            color: #999;
            transition: transform 0.2s;
        }

        details[open] {
            background-color: #fcfcfc;
        }

        details[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }
        .answer {
            padding: 0 20px 16px;
            color: #666;
            font-size: 0.95rem;
        }