/* 展台整体容器：营造立体悬浮与“摆放”感 */
    .faq-display-stand {
        max-width: 900px;
        margin: 50px auto;
        background: #ffffff;
        border-radius: 12px;
        /* 浅蓝色柔和阴影，营造展台感，不喧宾夺主 */
        box-shadow: 0 15px 35px rgba(65, 157, 208, 0.12), 0 5px 15px rgba(0,0,0,0.03);
        /* 底部加粗边框，作为展台的基座 */
        border-bottom: 8px solid #419DD0; 
        padding: 40px 50px;
        font-family: Arial, sans-serif;
        position: relative;
    }

    /* 展台底部环境光模拟 */
    .faq-display-stand::after {
        content: '';
        position: absolute;
        bottom: -12px;
        left: 3%;
        width: 94%;
        height: 12px;
        background: rgba(65, 157, 208, 0.4);
        border-radius: 50%;
        filter: blur(8px);
        z-index: -1;
    }

    /* 分类标题样式 */
    .faq-category {
        font-size: 22px;
        color: #333333;
        margin: 35px 0 15px 0;
        padding-bottom: 8px;
        border-bottom: 2px dashed rgba(65, 157, 208, 0.3);
        display: flex;
        align-items: center;
    }
    
    .faq-category:first-child {
        margin-top: 0;
    }

    /* 分类标题前面的小点缀 */
    .faq-category::before {
        content: '';
        display: inline-block;
        width: 6px;
        height: 22px;
        background-color: #419DD0;
        margin-right: 12px;
        border-radius: 3px;
    }

    .faq-item {
        margin-bottom: 12px;
        border: 1px solid #eeeeee;
        border-radius: 6px;
        overflow: hidden;
        transition: all 0.3s ease;
    }

    .faq-item:hover {
        border-color: rgba(65, 157, 208, 0.4);
    }

    /* 问题按钮样式 */
    .faq-question {
        width: 100%;
        text-align: left;
        padding: 18px 20px;
        background: #fafafa;
        border: none;
        font-size: 16px;
        font-weight: 600;
        color: #222222;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        transition: background 0.3s, color 0.3s;
    }

    .faq-question:hover {
        background: #f0f8fb; /* 极浅的蓝 */
        color: #419DD0;
    }

    /* 折叠图标 (加号/减号) */
    .faq-icon {
        font-size: 20px;
        color: #419DD0;
        transition: transform 0.3s ease;
        line-height: 1;
    }

    /* 激活状态 */
    .faq-item.active .faq-question {
        background: #419DD0;
        color: #ffffff;
    }

    .faq-item.active .faq-icon {
        color: #ffffff;
        transform: rotate(45deg); /* 加号旋转变成叉号/减号 */
    }

    /* 答案内容样式 */
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease-out, padding 0.4s ease-out;
        background: #ffffff;
        color: #555555;
        font-size: 15px;
        line-height: 1.6;
        padding: 0 20px;
    }

    .faq-item.active .faq-answer {
        padding: 20px;
        border-top: 1px solid #eeeeee;
    }