.header .pro_item .nav-yi{
    color: #C51C1F;
}
.header .pro_item .nav-yi:after {
    transform: scale(1);
    opacity: 1;
}


.product .account-l{
    width: 255px;
    border: 1px solid #EDEDED;
}
.accordion .link {
    cursor: pointer;
    color: #333;
    position: relative;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    height: 56px;
    background: #F8F8F8;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 35px;
    box-sizing: border-box;
    transition: all .4s;
}
.accordion .link::after{
    content: "";
    display: block;
    width: 16px;
    height: 16px;
    background: url(../img/pro_next.svg) no-repeat center/cover;
    transition: all .4s;
}
.accordion li{
    cursor: pointer;
}
.accordion li.item{
    border-bottom: 1px solid #EDEDED;
}
.accordion li.open .link {
    color: #fff;
    background: #C51C1F;
}
.accordion li.open .link::after{
    background: url(../img/pro_next_hover.svg) no-repeat center/cover;
    transform: rotate(180deg);
}
.accordion li.open .submenu{
    display: block;
}
.submenu {
    display: none;
    background: #fff;
    border-top: 1px solid #ddd;
    padding: 11px 0;
    box-sizing: border-box;
}
.submenu li{
    height: 42px;
    display: flex;
    align-items: center;
}
.submenu a {
    display: block;
    color: #666666;
    padding: 0 35px;
    box-sizing: border-box;
    width: 100%;
    transition: all .4s;
}
.submenu a:hover ,.submenu li.current a{
    color: #C51C1F;
}
.product .contents{
    width: calc(100% - 255px);
    padding-left: 60px;
    box-sizing: border-box;
}
.pro_lists .list{
    width: 48%;
    margin-right: 4%;
    background: #FFFFFF;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 3%;
    padding: 25px 40px 0;
    box-sizing: border-box;
    transition: all .4s;
    border: 1px solid #E3E3E3;
    position: relative;
}
.pro_lists .list::after{
    content: "";
    display: block;
    width: 100%;
    height: 2px;
    background: #C51C1F;
    position: absolute;
    bottom: 0;
    left: 0;
    transition: all .4s;
    transform: scale(0);
}
.pro_lists .list:nth-child(2n){
    margin-right: 0;
}
.pro_lists .img{
    height: 415px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.pro_lists .img img{
    transition: all .4s;
    max-height: 100%;
    display: block;
}
.pro_lists .text{
    padding: 25px 0;
    box-sizing: border-box;
    width: 100%;
    text-align: center;
}
.pro_lists .tit{
    transition: all .4s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    height: 30px;
}
.pro_lists .desc {
    margin-top: 6px;
    transition: all .4s;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}
.watch_more{
    padding: 19px 0;
    box-sizing: border-box;
    border-top: 1px solid #E3E3E3;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .4s;
}
.watch_more::after{
    content: "";
    display: block;
    width: 16px;
    height: 16px; 
    background: url(../img/watch_more.svg) no-repeat center/cover;
    transition: all .4s;
    margin-left: 17px;
}
.pro_lists .list:hover .img img{
    transform: scale(1.08);
}
.pro_lists .list:hover .tit{
    color: #C51C1F;
}
.pro_lists .list:hover .desc{
    color: #C51C1F;
}
.pro_lists .list:hover .watch_more{
    color: #C51C1F;
}
.pro_lists .list:hover .watch_more::after{
    background: url(../img/watch_more_hover.svg) no-repeat center/cover;
}
.pro_lists .list:hover::after{
    transform: scale(1);
}





/* 产品详情 */
.pro_detail01 .img{
    width: 47.35%;
    height: 596px;
    background: #FFFFFF;
    border: 2px solid #E3E3E3;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
    box-sizing: border-box;
}
.pro_detail01 .texts{
    width: 52.65%;
    display: flex;
    justify-content: center;
}
.pro_detail01 .texts_box{
    width: 82%;
}

.pro_detail01 .item_tit {
    width: 116px;
}
.pro_detail01 .item_desc {
    width: calc(100% - 116px);
}
.pro_detail01 .line{
    width: 100%;
    height: 1px;
    background: #CCCCCC;
    margin: 30px 0;
}
.uplode_content {
    display: flex;
    align-items: center;
    padding: 0 20px;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    z-index: 1;
    width: 60%;
    height: 50px;
    background: #FFFFFF;
    border: 1px solid #C51C1F;
    border-radius: 10px;
    margin-top: 57px;
    max-width: 343px;
}
.uplode_content::before {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: #D00000;
    transition: all .4s;
    z-index: -1;
}
.uplode_content .uplode_icon {
    width: 30px;
    height: 30px;
    background: url(../img/uplode_icon01.svg) no-repeat center/cover;
    transition: all .4s;
}
.uplode_content .uplode_tit {
    width: calc(100% - 30px);
    padding-left: 10px;
    box-sizing: border-box;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    transition: all .4s;
}
.uplode_content .uplode_titlle {
    width: calc(100% - 80px);
    padding: 0 15px 0 0;
    box-sizing: border-box;
}
.uplode_content .uplode_r {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .4s;
    background: url(../img/icon_download.svg) no-repeat center/cover;
}

.uplode_content:hover .uplode_tit {
    color: #fff;
}
.uplode_content:hover::before{
    width: 100%;
}
.uplode_content:hover .uplode_icon {
    background: url(../img/uplode_hicon01.svg) no-repeat center/cover;
}
.uplode_content:hover .uplode_r {
    background: url(../img/icon_download_hover.svg) no-repeat center/cover;
}




.pro_detail02 .nav {
    height: 75px;
    background: #F5F5F5;
}
.pro_detail02 .nav .item{
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    width: 33.33%;
    height: 100%;
    cursor: pointer;
}
.pro_detail02 .nav .item::after{
   content: "";
   display: block;
   width: 100%;
   height: 4px;
   background: #D00000;
   position: absolute;
   left: 0;
   bottom: 0;
   transition: all .4s;
   transform: scale(0);
}

.pro_detail02 .nav .item:hover,.pro_detail02 .nav .item.active{
    color: #D00000;
}
.pro_detail02 .nav .item:hover::after,.pro_detail02 .nav .item.active::after{
    transform: scale(1);
}

.pro_detail02 .list{
    display: none;
    justify-content: center;
}
.pro_detail02 .list.active{
    display: flex;
}


.pro_detail03{
    background: #F8f8f8;
}
.title_tit{
    margin-bottom: 40px;
}
.title_tit::before{
    content: "";
    display: block;
    width: 4px;
    height: 26px;
    background: #D00000;
    margin-right: 19px;
}
.pro_detail03 .list{
    width: initial;
    margin-right: 0;
    margin-bottom: 0;
}
.pro_detail03 .list .img{
    height: 300px;
}
.pro_detail03 .swiper-pagination{
    display: none;
}
.pro_detail03 .pro_lists {
    position: relative;
}
.pro_detail03 .swiper-container{
    position: initial;
}
.pro_detail03 .swiper-button-prev,.pro_detail03 .swiper-button-next{
    outline: none;
}
.pro_detail03 .swiper-button-prev:after, .pro_detail03 .swiper-button-next:after{
    color:  #C51C1F;
    font-size: 45px;
}
.pro_detail03 .swiper-button-prev{
    left: -50px;
}
.pro_detail03 .swiper-button-next{
    right: -50px;
}

@media only screen and (max-width: 1620px) {
    .pro_detail03 .swiper-button-prev:after, .pro_detail03 .swiper-button-next:after {
        font-size: 36px;
    }
    .pro_detail03 .swiper-button-prev {
        left: -40px;
    }
    .pro_detail03 .swiper-button-next {
        right: -40px;
    }
}
@media only screen and (max-width: 1480px) {
    .pro_lists .img {
        height: 350px;
    }
}
@media only screen and (max-width: 1366px) {
    .pro_lists .img {
        height: 320px;
    }
    .pro_detail01 .img{
        height: 548px;
    }
}
@media only screen and (max-width: 1280px) {
    .pro_lists .list{
        padding: 25px 30px 0;
    }
    .pro_lists .img {
        height: 287px;
    }
    .bread.bg_bread {
        margin: 15px 0;
    }
    .pro_detail01 .img {
        height: 498px;
    }

    .pro_detail03 .list .img {
        height: 275px;
    }
}
@media only screen and (max-width: 1200px) {
    .product .account-l{
        display: none;
    }
    .product .contents {
        width: 100%;
        padding-left: 0;
    }
    .pro_detail03 .list .img {
        height: 245px;
    }
}
@media only screen and (max-width: 1024px) {
    .pro_detail01{
        padding-top: 60px;
    }
    .pro_detail .bread {
        display: block;
        margin: 0;
    }
}
@media only screen and (max-width: 768px) {
    .accordion .link{
        height: 36px;
        padding: 0 25px;
    }
    .submenu{
        padding: 5px 0;
    }
    .submenu a{
        padding: 0 25px;
    }
    .submenu li {
        height: 30px;
    }
    
    .pro_lists .list {
        padding: 15px 15px 0;
        width: 100%;
        margin-right: 0;
    }
    .pro_lists .img {
        height: 242px;
    }
    .pro_lists .text {
        padding: 10px 0 15px;
    }
    .pro_lists .tit{
        height: 24px;
    }

    .pro_detail01 {
        padding-top: 30px;
    }
    .pro_detail01 .img {
        height: 258px;
        width: 100%;
        border: 1px solid #E3E3E3;
        padding: 15px;
        margin-top: 25px;
    }
    .pro_detail01 .texts{
        width: 100%;
    }
    .pro_detail01 .texts_box {
        width: 100%;
    }
    .pro_detail01 .width1620 {
        flex-direction: column-reverse;
    }
    .pro_detail01 .line{
        margin: 15px 0;
    }
    .pro_detail02 .nav .item{
        width: auto;
        padding: 0 5px;
    }
    .pro_detail02 .nav {
        height: 55px;
        padding: 0 15px;
    }
    .pro_detail02 .nav .item::after{
        height: 2px;
    }
    .title_tit {
        margin-bottom: 20px;
    }

    .uplode_content {
        width: 80%;
        height: 45px;
        max-width: 100%;
        margin: 20px auto 10px;
    }
    .uplode_content .uplode_titlle {
        width: calc(100% - 30px);
    }

    .pro_detail03 .swiper-button-prev {
        left: 10px;
    }
    .pro_detail03 .swiper-button-next {
        right: 10px;
    }
    .pro_detail03 .swiper-button-prev:after, .pro_detail03 .swiper-button-next:after {
        font-size: 16px;
        color:#fff;
    }
    .pro_detail03 .swiper-button-prev, .pro_detail03 .swiper-button-next {
        background:#C51C1F;
    }
    .pro_detail01{
        padding-top: 0;
    }
    .product .account-l {
        width: 100%;
        margin-bottom: 25px;
        display: block;
    }
    .accordion li.open .submenu{
        display: none;
    }
    .bread .width1620 {
        height: 60px;
    }
    .bread_box .item::after{
        margin: 0 5px;
    }
    iframe {
        width: 100%;
        height: auto;
    }
}