        .faq-item {
            border-radius: 16px;
            margin-bottom: 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            overflow: hidden;
            transition: all 0.24s ease;
        }
        .faq-item.active {
            border: 1px solid #1677ff;
        }
        .faq-item:not(.active) {
            border: 1px solid #f0f0f0;
        }
        .faq-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
        }
        .faq-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .num-circle {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 16px;
        }
        .faq-item.active .num-circle {
            background-color: #1677ff;
            color: #fff;
        }
        .faq-item:not(.active) .num-circle {
            background-color: #f0f2f5;
            color: #666;
        }
        .faq-title {
            font-size: 20px;
            font-weight: 600;
            color: #333;
        }
        .toggle-btn {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .faq-item.active .toggle-btn {
            background-color: #1677ff;
            color: #fff;
        }
        .faq-item:not(.active) .toggle-btn {
            border: 1px solid #dcdcdc;
            color: #666;
            background: #fff;
        }
        .faq-content {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }
        .faq-item.active .faq-content {
            padding: 0 24px 24px 24px;
            max-height: 400px;
        }
        .faq-desc {
            color: #555;
            font-size: 16px;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .tag-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .faq-tag {
            background-color: #e8f3ff;
            color: #1677ff;
            padding: 4px 12px;
            border-radius: 8px;
            font-size: 14px;
        }