/* S 20201021 添加微信客服及二维码 */
 .header_kefu {
    float: left;
    position: relative;
    margin-right: 20px;
    cursor: pointer;
     line-height: 34px;
}

.header_kefu span {
    color: #5B5B5B;
    font-size: 12px;
}

.header_kefu:hover .header_kefu_qrcode {
    display: block;
}
.header_kefu .header_kefu_qrcode {
    display: none;
    position: absolute;
    width: 180px;
    height: 200px;
    z-index: 100;
    background-color: #fff;
    text-align: center;
    padding: 12px;
    box-sizing: border-box;
    border: 1px #f5f5f6 solid;
    border-top: 0;
    box-shadow: 0 0 9px 0 rgba(0, 0, 0, .15);
}

 .header_kefu .header_kefu_qrcode img {
    display: block;
    margin: 0 auto;
}
/* E 20201021 添加微信客服及二维码  */
/*产品详情*/
.tab-cont .item .keylink{
    display: inline-block;
}