.product .img-qh {
    width: 100%;
    overflow: hidden;
}

.product .img-qh .qhbt {
    width: 160px;
    line-height: 60px;
    height: 60px;
    text-align: center;
    font-size: 20px;
    background: #f7f7f7;
    float: left;
    cursor: pointer;
}

.product .img-qh .on {
    background: #ce0001;
    color: #ffffff;
    font-weight: bold;
}

.product .qhnr .qh-box video {
    width: 100%;
}


.index02 .fl-left {
    width: 17%;
    margin-top: 40px;
}

.index02 .fl-left .h1 {
    height: 80px;
    background: #ce0001;
    line-height: 80px;
    text-align: center;
    font-size: 38px;
    color: #ffffff;
    font-weight: bold;
    border-top: 16px #e5aa20 solid;
}

.index02 .fl-left .link {
    background: #f7f7f7;
    padding-bottom: 50px;
}

.index02 .fl-left .link a {
    display: block;
    padding: 20px 0;
    margin: 0 20px;
    box-sizing: border-box;
    font-size: 18px;
    border-bottom: 1px #e8e8e8 solid;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.index02 .fl-left .link .on{color:#d20210;}


.cp-list {
    width: 80%;
    margin-top: 40px;
    margin-right: -3.3%;
}

.cp-list .flex {
    flex-wrap: wrap;
}

.cp-list .item {
    width: 30%;
    margin-right: 3.3%;
    margin-bottom: 30px;
}

.cp-list .img {
    padding-bottom: 75%;
    height: 0;
    position: relative;
    width: 100%;
    display: block;
}

.cp-list .img img {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: block;
}

.cp-list .title {
    display: block;
    font-size: 24px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    font-weight: bold;
    height: 62px;
    margin-bottom: 10px;
}

.cp-list .box {
    background: #fbfbfb;
    padding: 15px 20px;
}

.cp-list .cs {
    padding-bottom: 20px;
    border-bottom: 1px #dcdcdc solid;
}

.cp-list .cs p {
    color: #666666;
    line-height: 20px;
}

.cp-list .cp-btn {
    padding-top: 15px;
}

.cp-list .cp-btn a {
    display: block;
    width: 110px;
    height: 30px;
    border-radius: 30px;
    border: 1px #ce0001 solid;
    color: #ce0001;
    font-size: 12px;
    text-align: center;
    line-height: 30px;
    margin-left: 20px;
}

.prolist-02 {
    background: url(../images/prolist_02.jpg) no-repeat center;
}

.prolist-02 .prolist-bt {
    margin-top: 73px;
}

.prolist-bt .t1 {
    font-size: 40px;
    font-weight: bold;
    padding-left: 30px;
    border-left: 8px #ce0001 solid;
    line-height: 30px;
    margin-bottom: 30px;
}

.prolist-bt p {
    color: #ffffff;
    font-size: 16px;
}

.prolist-02 .wrap {
    position: relative;
    height: 727px;
    overflow: hidden;
}

.prolist-02 a {
    position: absolute;
    color: #ffffff;
    height: 80px;
    border: 1px #ffffff solid;
    border-radius: 40px;
    width: 500px;
    font-size: 26px;
    font-weight: bold;
}

.prolist-02 .link1 {
    top: 270px;
    left: 0;
}

.prolist-02 .link2 {
    top: 270px;
    right: 0;
}

.prolist-02 .link3 {
    left: 330px;
    bottom: 120px;
}

.prolist-case {
    padding: 80px 0;
}

.prolist-case .item {
    width: 30.3%;
}

.prolist-case .item .img {
    padding-bottom: 75%;
    height: 0;
    position: relative;
    width: 100%;
    display: block;
}

.prolist-case .item .img img {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: block;
}

.prolist-case .item .date {
    width: 160px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    color: #ffffff;
    background: #ce0001;
    font-size: 18px;
    margin: -25px 0 0 36px;
    position: relative;
    z-index: 9;
}

.prolist-case .item .title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: center;
    font-weight: bold;
    font-size: 16px;
    display: block;
    margin-top: 20px;
}

.proimgbox {
    width: 580px;
    text-align: center;
}

.main-image {
    width: 100%;
    height: 460px;
    /* object-fit: contain; */
    transition: opacity 0.3s ease;
}

.thumbnails {
    display: flex;
    justify-content: space-around;
    margin-top: 20px;
    gap: 10px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
}

.thumbnail {
    width: 134px;
    height: 104px;
    object-fit: cover;
    border: 1px solid transparent;
    cursor: pointer;
}

.thumbnail:hover {
    border-color: #ce0001;
}

.thumbnail.active {
    border-color: #ce0001;
}

.proxqcs {
    width: 630px;
    margin-left: 50px;
}

.proxqcs .h1 {
    font-size: 50px;
    font-weight: bold;
    margin-bottom: 40px;
}

.proxqcs p {
    font-size: 18px;
    line-height: 54px;
}

.proxq {
    margin-top: 60px;
}

.proxqcs .btn {
    background: #ce0001;
    width: 166px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    color: #ffffff;
    display: block;
    border-radius: 40px;
    font-size: 18px;
    margin-top: 30px;
}

.proxqleft {
    width: 1300px;
    flex-wrap: wrap;
}

.proxqfl {
    width: 100%;
    margin-top: 110px;
    height: 60px;
    line-height: 60px;
    border: 1px #dcdcdc solid;
    font-size: 24px;
}

.proxqfl a {
    padding: 0 40px;
}

.proxqright {
    width: 270px;
}

.proxqright .h1 {
    height: 80px;
    background: #ce0001;
    line-height: 80px;
    text-align: center;
    font-size: 28px;
    color: #ffffff;
    font-weight: bold;
    border-top: 16px #e5aa20 solid;
}

.proxqright .link {
    background: #f7f7f7;
    padding-bottom: 50px;
}

.proxqright .link a {
    display: block;
    padding: 20px 0;
    margin: 0 20px;
    box-sizing: border-box;
    font-size: 18px;
    border-bottom: 1px #e8e8e8 solid;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.proxqbox {
    width: 100%;
    padding: 60px 0;
}

.proxqbox .cp-list {
    width: 100%;
    margin-right: 0;
}

.proxqbox .cp-list .item {
    margin-right: 0;
}
#section3 .main img {
  width: 50%;
  float: left;
  height: 480px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

@media only screen and (min-width: 1200px) and (max-width: 1600px) {
    .nybanner {
        background-position: left !important;
    }
    .thumbnails {
        display: flex;
        gap: 8px;
        padding: 10px 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .thumbnail {
        width: 80px;
        height: 62px;
    }
    .proimgbox {
        width: 380px;
    }
    .main-image {
        height: 300px;
    }
    .proxqcs {
        width: 450px;
    }
    .proxqcs .h1 {
        font-size: 30px;
        margin-bottom: 20px;
    }
    .proxqcs p {
        font-size: 14px;
        line-height: 34px;
    }
    .proxqleft {
        width: 900px;
    }
    .proxqfl {
        font-size: 18px;
    }
    .proxqfl a {
        padding: 0 30px;
    }
    .proxqfl a:active {
        background: #ce0001;
        color: #ffffff
    }
    .proxqbox img {
        max-width: 100%;
    }
    .cp-list .cp-btn a {
        width: 100px;
        margin-left: 10px;
    }
    .index02 .fl-left {
        width: 25%;
    }
    .cp-list {
        width: 75%;
    }
    .cp-list .title {
        font-size: 20px;
    }
    
#section3 .main img {
  height: 337px;
}
}


/* 小屏幕（手机） */

@media only screen and (min-width: 320px) and (max-width: 1200px) {
    .nybanner {
        background-position: left !important;
    }
    .proxqleft {
        width: 100%;
    }
    .proimgbox {
        width: 100%;
    }
    .main-image {
        height: 4.6rem;
    }
    .thumbnail {
        width: 1.34rem;
        height: 1rem;
    }
    .proxqcs {
        width: 100%;
        margin-left: 0;
    }
    .proxqcs .h1 {
        font-size: .5rem;
        margin-top: .4rem;
        margin-bottom: .4rem;
    }
    .proxqcs p {
        font-size: .24rem;
        line-height: .5rem;
    }
    .proxqfl {
        display: none;
    }
    .proxqright {
        display: none;
    }
    .prolist-bt .t1 {
        font-size: .34rem;
        padding-left: .3rem;
        line-height: .3rem;
        margin-bottom: .4rem;
    }
    .proxqbox .cp-list {
        flex-wrap: wrap;
    }
    .proxqbox .cp-list .item {
        width: 100%;
    }
    .cp-list .title {
        font-size: .3rem;
        height: .8rem;
        margin-bottom: .2rem;
    }
    .prolist-case .item {
        width: 100%;
        margin-bottom: .3rem;
    }
    .prolist-case .flex {
        flex-wrap: wrap;
    }
    .index02 .fl-left {
        display: none;
    }
    .cp-list .item {
        width: 47%;
        margin-right: 3%;
        margin-bottom: .3rem;
    }
    .cp-list {
        width: 100%;
        margin-top: .4rem;
    }
    .cp-list .flex {
        flex-wrap: wrap;
        margin-right: -3%;
    }
    .cp-list .box {
        padding: .2rem;
    }
    .cp-list .cp-btn a {
        margin-bottom: .2rem;
    }
    .prolist-02 .wrap {
        height: 6rem;
    }
    .prolist-02 .prolist-bt {
        margin-top: .5rem;
    }
    .prolist-02 .link1 {
        top: 2.5rem;
        left: .3rem;
    }
    .prolist-02 .link2 {
        top: 3.5rem;
        left: .3rem;
    }
    .prolist-02 .link3 {
        top: 4.5rem;
        left: .3rem;
    }
    .prolist-02 a {
        height: .8rem;
        width: 5rem;
        font-size: .26rem;
    }
    #section3 .main img {
 height: 2rem;
}
}