.technical-support .banner-con{
    background-image: url('../images/banner-bg.png');
}
.technical-support .banner-con img{
    margin-top:60px;
    width:50%;
    height: auto;
}
.technical-support .banner-con-txt>p:nth-child(1){
    margin-top: 20px;
}
.technical-support .banner-con-txt>p:nth-child(2),
.technical-support .banner-con-txt>p:nth-child(3){
    font-size: 20px;
    line-height: 30px;
    text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.25);
    position: relative;
    padding-left: 20px;
    line-height: 40px;
}
.technical-support .banner-con-txt>p:nth-child(2)::before,
.technical-support .banner-con-txt>p:nth-child(3)::before{
    content: '';
    width: 10px;
    height: 10px;
    background-color: #ffffff;
    position: absolute;
    top: 16px;
    left: 0; 
}

/* 服务保障 */
.service-guarantee-con{
    padding-bottom: 40px;
}
.service-guarantee-con ul{
    gap: 20px;
    margin-top: 40px;
}
.service-guarantee-con ul li{
    flex: 0 0 calc(33.333% - 20px);
    box-shadow: 0px 7px 9px  rgba(0, 0, 0, 0.05);
    padding:20px 40px;
    position: relative;
    color: rgba(102, 102, 102, 1);
    font-size: 14px;
    border: 1px solid #f7f7f7;
}
.service-guarantee-con ul li>p:nth-child(1){
    font-size: 26px;
    font-weight: 700;
    line-height: 40px;
    color: rgba(85, 85, 85, 1);
}
.service-guarantee-con ul li .line{
    background: rgba(237, 28, 36, 1);
    margin: 8px 0;
}
.service-guarantee-con ul li>p:nth-child(3){
    line-height: 30px;
    font-size: 15px;
}
.service-guarantee-con ul li .iconfont{
    opacity: 0.05;
    font-size: 80px;
    position: absolute;
    bottom: 30px;
    right: 30px;
}
.service-guarantee-con ul li:last-child{
    background-image: url('../images/service-guarantee-img.png');
    background-repeat: no-repeat;
    background-size: cover;
    color:#ffffff;
}
.service-guarantee-con ul li:last-child>p:first-child{
    font: 22px Helvetica Neue,Helvetica,PingFang SC,Tahoma,Arial,sans-serif;
    color:#ffffff;
    line-height: 30px;
    margin-top: 60px;
}
.service-guarantee-con ul li:last-child>p:nth-child(2){
    font-size: 24px;
    font-weight: 700;
    line-height: 40px;
    letter-spacing: 2px;
}
.service-guarantee-con ul li:last-child .btn{
    margin-top: 60px;
}
.service-guarantee-con ul li:last-child .btn p{
    color: #ffffff;
    border-color:#ffffff;
    width: 100px;
}
.service-guarantee-con ul li:last-child .btn p:hover{
    background-color:#DDDDDD;
    border-color: #DDDDDD;
    color: rgba(56, 56, 56, 1);
}

/* 设备维护常见问题 */
.faq{
    background-image: url('../images/service-guarantee-bg02.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: 100% 40%;
    padding-bottom: 40px;
}
.faq .product-center-type{
    padding:20px  0;
}
.faq-list{
    gap: 20px;
    padding: 20px 0;
}
.faq-list li{
    flex: 0 0 calc(50% - 10px);
    padding: 20px;
    box-shadow: 0px 2px 8px  rgba(0, 0, 0, 0.25);
    background: rgba(255, 255, 255, 1);
}
.faq-list li:hover{
    box-shadow: 0px 2px 16px  rgba(0, 0, 0, 0.25);
}
.faq-list li .wen{
    line-height: 40px;
    color: rgba(56, 56, 56, 1);
    font-weight: 700;
    font-size: 18px;
}
.faq-list li .wen img{
    width: 36px;
    height: 26px;
    padding-right: 10px;
}
.faq-list li .da{
    line-height: 30px;
    color:rgba(102, 102, 102, 1);
    font-size: 15px;
}
.faq-list li .da img{
    width: 36px;
    height: 26px;
    margin-top:4px;
    padding-right: 10px;
}