/* FAQ 容器样式 */
        .faq-section {
            max-width: 800px;
            margin: 2rem auto;
            padding: 1rem;
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #ffffff;
            border-radius: 24px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.05);
        }

        .faq-title {
            text-align: center;
            margin-bottom: 2rem;
        }

        .faq-title h2 {
            font-size: 1.9rem;
            font-weight: 600;
            letter-spacing: -0.3px;
            color: #b13e3e;
            margin: 0;
        }

        .faq-title p {
            color: #5a5a5a;
            font-size: 1rem;
            margin-top: 0.5rem;
        }

        /* 单个 FAQ 项目 */
        .faq-item {
            border-bottom: 1px solid #eaeef2;
            margin-bottom: 0.25rem;
        }

        .faq-question {
            background: transparent;
            width: 100%;
            text-align: left;
            padding: 1.25rem 1rem 1.25rem 0;
            font-size: 1.1rem;
            font-weight: 500;
            color: #1a2c3e;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.2s ease;
            background-color: #ffffff;
        }

        .faq-question:hover {
            color: #b13e3e;
        }

        .faq-question:focus-visible {
            outline: 2px solid #b13e3e;
            border-radius: 8px;
        }

        /* 图标 */
        .faq-icon {
            font-size: 1.4rem;
            font-weight: 300;
            transition: transform 0.25s ease;
            color: #b13e3e;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* 答案区域 */
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out, padding 0.2s ease;
            background-color: #fafcfd;
            border-radius: 12px;
            margin: 0;
            padding: 0 1rem;
        }

        .faq-item.active .faq-answer {
            max-height: 800px;   /* 足够容纳长答案 */
            padding: 0 1rem 1.25rem 1rem;
        }

        .faq-answer-content {
            color: #2c4b5e;
            line-height: 1.5;
            font-size: 0.98rem;
        }

        .faq-answer-content p {
            margin: 0.75rem 0;
        }

        .faq-answer-content strong {
            color: #b13e3e;
            font-weight: 600;
        }

        /* 装饰小元素 */
        .faq-note {
            text-align: center;
            margin-top: 2.2rem;
            padding-top: 1rem;
            border-top: 1px dashed #e2e8f0;
            font-size: 0.85rem;
            color: #7c8b9c;
        }

        @media (max-width: 640px) {
            .faq-section {
                margin: 1rem;
                padding: 0.75rem;
            }
            .faq-question {
                font-size: 1rem;
                padding: 1rem 0.5rem 1rem 0;
            }
            .faq-title h2 {
                font-size: 1.6rem;
            }
        }