.section_tit {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding:50px 0;
}
.section_tit .top_tit {
    position: relative;
}
.section_tit .top_tit .cn {
    font-size: 50px;
    color: #b71d25;
    line-height: 56px;
    position: relative;
    font-weight: 600;
}
.section_tit .top_tit .en{
    font-size: 72px;
    display: inline-block;
    opacity: .2;
    -webkit-text-stroke: 1px #b71d25;
    color: transparent;
    text-transform: uppercase;
    transform: translateY(60%);
}
.section_tit .top_tit .des{
    font-size: 30px;
    margin-top: 30px;
}

.section_tit .top_tit .txt {
    font-size: 26px;
    color: #333;
    line-height: 38px;
    margin-top: 24px;
}
.section_tit .top_more {
    position: relative;
    overflow: hidden;
    width: 152px;
    height: 52px;
    display: block;
    border: 1px solid #cbcbcb;
    line-height: 52px;
    text-align: center;
    border-radius: 20px 0 0;
    background-color: transparent;
}
.section_tit .top_more span {
    display: inline-block;
    height: 100%;
    font-size: 16px;
    color: #333;
    transition: .3s;
}
.section_tit .top_more:hover {
    border-color: #b71d25;
    background-color: #b71d25;
}
.section_tit .top_more:hover span {
    color: #fff;
}







.index_banner {
    width:100vw;
    position: relative;
}
.index_banner img {
    width:100%;
}

.index_banner .swiper-pagination-bullets {
    bottom:5%;
}
.index_banner .swiper-pagination-bullet {
    width:16px;
    height:16px;
}
.index_banner .swiper-pagination-bullet-active {
    background:#b71d25;
}
.index_banner .swiper-button-next, .index_banner .swiper-button-prev {
    color:#b71d25;
}
.index_banner .swiper-button-prev {
    left:5%
}
.index_banner .swiper-button-next {
    right:5%
}



.search_box {
    height:80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.search_box .hot_keyword {font-size: 18px;}
.search_box .search_input{display: flex;align-items: center;position: relative;border: 1px solid #cdcdcd;height:33px;}
.search_box .search_input input{height: 30px;width:300px;padding: 0 10px;}
.search_box .search_input span {color:#333;position: absolute;right:5px;cursor:pointer;}






.index_rotate{width:100%;height: 90vh;padding:5%;background: url(../images/rotate_probg.jpg);background-size:100% 100%;position: relative;overflow: hidden;display: flex;align-items: center}
.rotate_cate{width: 365px;height: 700px;background: url(../images/rotate_cate_pic.png);transition: 1.5s;position: relative;background-size:100% 100%;}
.rotate_cate_swiper{width: 100%;height: 700px;}
.rotate_cate_swiper .swiper-slide{line-height: 80px;display: flex;justify-content:center;align-items:center;cursor:pointer;}
.rotate_cate_swiper .swiper-slide span{width: 20px;display:none;color: #fff;font-size: 18px;}
.rotate_cate_swiper .swiper-slide.swiper-slide-active span{width: 60px;display: inline-block;}
.rotate_cate_swiper .swiper-slide.swiper-slide-active span i{display: block;white-space:nowrap}
.rotate_cate_swiper .swiper-slide.swiper-slide-active p{color: #080808;font-size: 20px;line-height: 66px;}
.rotate_cate_swiper .swiper-slide p{display: inline-block;color: #787c8d;}

.rotate_product {
    width:calc(100% - 400px);
    margin-left:auto;
    margin-right: auto;
    text-align: center;
    position: relative
}
.rotate_product .mouse_icon {
    width: 72px;
    height: 72px;
    position: absolute;
    z-index: 19;
    -webkit-transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%);
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
    pointer-events: none
}
.rotate_product .show_mouse {
    opacity: 1;
    width: 72px
}
.rotate_product .show_mouse,.rotate_product .unshow_mouse {
    -webkit-transition: width .3s,opacity .3s;
    transition: width .3s,opacity .3s
}
.rotate_product .unshow_mouse {
    opacity: 0;
    width: 0;
}
.rotate_product .swiper-slide {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
    -ms-flex-pack: center;
    justify-content: center
}
.rotate_product .rotate_pro_item {
    position: relative;
    width: 100%;
}
.rotate_product .rotate_pro_item .icon_360 {
    position: absolute;
    width: 100%;
    left:0;
    bottom:40px;
    z-index: -1;
    cursor: none
}
.rotate_product .rotate_pro_item .product_360_pic {
    width: 60vw;
    height: 31.578vw;
    margin-left: auto;
    margin-right: auto;
    cursor: none
}
.rotate_product .rotate_pro_item .mouse_modal {
    position: absolute;
    width: 60vw;
    height: 31.578vw;
    z-index: 9;
    cursor: none;
}
.rotate_product .rotate_more {
    width:60%;
    margin: 0 auto;
    display: none;
}
.rotate_product .rotate_more h4 {
    font-size: 20px;
    font-weight: 400;
    margin-top: 16px;
    margin-bottom: 24px;
    letter-spacing: 10px;
}
.rotate_product .rotate_more button{
    width:120px;
    height:35px;
    position: relative;
    border: 0;
    background-color: rgb(169, 170, 168);
    margin-right: 20px;
}
.rotate_product .rotate_more button::before {
    content: '';
    position: absolute;
    top:0;
    left:0;
    z-index: -1;
    height: 100%;
    width: 0;
    transition:  0.3s;
    background-color: #b71d25;
}
.rotate_product .rotate_more button:hover {
    z-index: 1;
}
.rotate_product .rotate_more button:hover a{
    color: #fff;
}
.rotate_product .rotate_more button:hover::before {
    width: 100%;
    border: 1px solid #b71d25;
}












.index_category{padding: 30px 0 60px 0;text-align: center;}
.index_category .cate_box{position: relative;width: 100%;}
.index_category .cate_box .cate_swiper{}
.index_category .cate_box .cate_swiper .swiper-slide{width: 1200px;height: 480px;padding-bottom: 80px;opacity: 0.3;}
.index_category .cate_box .cate_swiper .swiper-slide-active{opacity: 1;}
.index_category .cate_box .btbox{position: absolute;top: 220px;left: 50%;transform: translateX(-50%);z-index: 3;}
.index_category .cate_box .btbox .btn{-webkit-transition: all .5s; -moz-transition: all .5s; transition: all .5s;width: 80px;height: 50px;background: #000;float: left;cursor: pointer;line-height: 50px;}
.index_category .cate_box .btbox .btn i{display: block;width: 100%;font-size: 30px;color:#fff;}
.index_category .cate_box .btbox .btn.next2{float: right;}
.index_category .cate_box .btbox .btn:hover{background: #b71d25;}
.index_category .cate_box .btbox *{transition: all .5s;}
.index_category .cate_box .btbox .ubox{transition: all .5s;box-shadow:3px 4px 15px rgba(0,0,0,0);width: 380px;height: 450px;background: rgb(117 117 117 / 18%);position: absolute;top: -150px;left: 120px;box-sizing: border-box;padding: 60px 30px;;text-align: justify;}
.index_category .cate_box .btbox .ubox:hover{background: rgba(255,255,255,1);-moz-box-shadow:3px 4px 15px rgba(0,0,0,0.3); -webkit-box-shadow:3px 4px 15px rgba(0,0,0,0.3); box-shadow:3px 4px 15px rgba(0,0,0,0.3);}
.index_category .cate_box .btbox .ubox .ul1{height: 300px;overflow: hidden;}
.index_category .cate_box .btbox .ubox .ul1 li{display: none;}
.index_category .cate_box .btbox .ubox .ul1 li *{color: #fff;}
.index_category .cate_box .btbox .ubox .ul1 li .en{font-size: 36px; }
.index_category .cate_box .btbox .ubox .ul1 li .ltt{margin: 15px 0 35px;}
.index_category .cate_box .btbox .ubox .ul1 li .ltc{line-height: 1.8;}
.index_category .cate_box .btbox .ubox .ul1 li .more{display: block;width: 95px;height: 20px;position: relative;color: #fff;line-height: 20px;padding: 10px;margin-top: 40px;}
.index_category .cate_box .btbox .ubox .ul1 li .more .more2{ position: absolute;width: 0;top: 0;left: 0;color: #fff;background: #b71d25;overflow: hidden;}
.index_category .cate_box .btbox .ubox .ul1 li .more .more2 span{display: block; width: 95px;height: 20px;margin: 10px;}
.index_category .cate_box .btbox .ubox .ul1 li .more:hover .more2{width: 100%;}
.index_category .cate_box .btbox .ubox .pagination2{bottom: 90px;color: #fff;}
.index_category .cate_box .btbox .ubox .pagination2 .swiper-pagination-current{color: #fff;font-size: 24px;}
.index_category .cate_box .btbox .ubox:hover .ul1 li .en{color: #b71d25;}
.index_category .cate_box .btbox .ubox:hover .ul1 li .ltc,.index_category .cate_box .btbox .ubox:hover .ul1 li .ltt{color: #666;}
.index_category .cate_box .btbox .ubox:hover .ul1 li .more{color: #b71d25;}
.index_category .cate_box .btbox .ubox:hover .pagination2{color: #666;}
.index_category .cate_box .btbox .ubox:hover .pagination2 .swiper-pagination-current{color: #333;}


.index-proList{ width:100%;position: relative;}
.proList_swiper {width:100%;margin: 0 auto;overflow:hidden;}
.proList_swiper .pro-slide {width:23.5%;margin-right: 2%;float:left;border: 1px solid #6969694f;}
.proList_swiper .pro-slide:last-child{margin-right: 0;}
.proList_swiper .pro-slide .pro_box{display:block;position:relative;overflow:hidden;text-align: center;}
.proList_swiper .pro-slide .pro_box .tit{padding: 0 50px;position:relative;text-align: center;background:#f6f6f6;width:100%;height:60px;line-height: 60px;}
.proList_swiper .pro-slide .pro_box .tit h5{ font-size:1rem; color:#333; margin-bottom:20px; overflow:hidden; white-space:nowrap; text-overflow:ellipsis}
.proList .bth {text-align: center;margin: 30px 0;}
.proList .bth a{display:inline-block; background:#b71d25; width:120px; height:40px; line-height:40px; font-size:13px; color:#fff; text-transform:uppercase; text-align:center; transition:.6s;}
.proList_swiper .pro-slide .pro_box .img{max-width: 100%;display: inline-block;margin: 0 auto;position: relative;}
.proList_swiper .pro-slide .pro_box .img img {width:100%;}

.proList_swiper .pro_box:hover:before {
    transform: translateY(-1px);
}
.proList_swiper .pro_box img{ transition: 0.5s;}
.proList_swiper .pro_box:hover img{ transform:scale(1.02);}







.about_box {
    background: #fff;
    overflow: hidden;
    position: relative;
    cursor:pointer;
}
.ab_video {
    width: 100%;
    height: 90vh;
    position: relative;
}
.ab_video::before {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: rgba(0,0,0,.03);
    z-index: 2;
}
.ab_video video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    object-fit: cover;
    width: 100%;
    min-width: 100%;
    min-height: 100%;
}
.ab_white_bg {
    width: 100%;
    position: absolute;
    height: calc(100% + 2px);
    top: -1px;
    left: -1px;
    transition: all 1.56s;
    z-index: 6;
}
.ab_white_bg img {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    object-fit: cover;
    min-width: 100%;
    min-height: 100%;
}
.ab_company {
    position: absolute;
    width: 100%;
    top: 50%;
    left: 0;
    z-index: 10;
    transform: translateY(-50%);

}
.company_intro {
    width: 60%;
    padding:2% 3%;
}
.ab_company .company_tit {
    margin-bottom: 20px;
}
.company_tit h2 {
    font-size: 2vw;
    color: #333;
    line-height: 1.5;
}
.ab_company .company_dec {
    margin-bottom: 36px;
}
.company_dec p {
    color: #666;
    font-size: 18px;
    line-height: 1.75;
}
.company_strength {
    margin-bottom: 78px;
    display: flex;
}
.strength_box {
    width: 33%;
}
.strength_num {
    font-size: 40px;
    font-weight: bold;
    color: #b71d25;
    margin-bottom: 23px;
    transition: all 0.36s;
}
.strength_tit {
    font-size: 18px;
    color: #666;
    line-height: 1.5;
    transition: all 0.36s;
}
.ab_more {
    position: relative;
    width:150px;
    height:45px;
    line-height: 45px;
    text-align: center;
    z-index: 1;
    font-size: 16px;
    color: #fff;
    box-sizing: content-box;
}
.ab_more::before{
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: #b71d25;
    transition: all 0.36s;
    z-index: -1;
}
.about_box:hover .ab_more::before,.ab_more:hover::before{
    width: 0;
    opacity: 0;
}
.about_box:hover .ab_more,.ab_more:hover{
    color: #b71d25;
    border: 2px solid #b71d25;
}

.about_box:hover .ab_white_bg{
    left: -100%;
}
.about_box:hover .company_intro{
    background: #0000001c;
}
.about_box:hover .company_tit h2{
    color:#fff;
}
.about_box:hover .company_dec p{
    color:#fff;
}
.about_box:hover .strength_tit{
    color:#fff;
}
.about_box:hover .strength_num{
    color:#fff;
}







.index_case {padding-top:10px;position: relative;}
.index_case .case_top_pic{ display: flex;}
.index_case .case_top_pic li{ width: 50%;}
.index_case .case_box .case_top{ background: #fff; padding:0 0 4.5rem 0; border-radius: 0 3rem 0 0; position: relative; top: -10rem;}
.index_case .case_swiper {
    position: relative; top: -10rem;margin-bottom: -10rem;overflow-x: hidden;
}
.index_case .case_swiper img{
    display: block;
}
.index_case .case_swiper p{
    width:100%;height:50px;line-height: 50px;background:#b71d25;text-align: center;font-size: 16px;color:#fff;
}






.index_honor{
    position: relative;
    width: 100vw;
    height: 800px;
    background: url(../images/index_honor.jpg) center center no-repeat;
    background-size: 100% auto;
}
.caursel3d {
    display: block;
    position: relative;
    margin: auto;
    width: 336px;
    height: 450px;
    top: 150px;
    perspective: 2100px;
}
#carousel {
    position: relative;
    width: 100%;
    height: 100%;
    margin: auto;
    transform-style: preserve-3d;
    -ms-transform-style:none;
    -ms-transform: none;
    transform: rotateY(0deg) translateZ(480px);
    animation-duration: 30s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    animation-name: yyrotation;
}
#carousel:hover {
    animation-play-state: paused;
}
#carousel figure {
    display: block;
    width: 336px;
    height: 450px;
    position: absolute;
    left: -40px;
    top: 10px;
}
#carousel img{
    cursor: pointer;
    transition: all .5s ease;
    width: 100%;
    height: 100%; }

#carousel img:hover{
    transform: scale(1.2, 1.2);
}
#carousel figure:nth-child(1) {
    transform: rotateY(0deg) translateZ(480px);
    -ms-transform: rotateY(0deg) translateZ(480px);
    -moz-transform: rotateY(0deg) translateZ(480px);
    -webkit-transform: rotateY(0deg) translateZ(480px);
    -o-transform: rotateY(0deg) translateZ(480px);
}
#carousel figure:nth-child(2) {
    transform: rotateY(45deg) translateZ(480px);
    -ms-transform: rotateY(45deg) translateZ(480px);
    -moz-transform: rotateY(45deg) translateZ(480px);
    -webkit-transform: rotateY(45deg) translateZ(480px);
    -o-transform: rotateY(45deg) translateZ(480px);
}
#carousel figure:nth-child(3) {
    transform: rotateY(90deg) translateZ(480px);
    -ms-transform: rotateY(90deg) translateZ(480px);
    -moz-transform: rotateY(90deg) translateZ(480px);
    -webkit-transform: rotateY(90deg) translateZ(480px);
    -o-transform: rotateY(90deg) translateZ(480px);
}
#carousel figure:nth-child(4) {
    transform: rotateY(135deg) translateZ(480px);
    -ms-transform: rotateY(135deg) translateZ(480px);
    -moz-transform: rotateY(135deg) translateZ(480px);
    -webkit-transform: rotateY(135deg) translateZ(480px);
    -o-transform: rotateY(135deg) translateZ(480px);
}
#carousel figure:nth-child(5) {
    transform: rotateY(180deg) translateZ(480px);
    -ms-transform: rotateY(180deg) translateZ(480px);
    -moz-transform: rotateY(180deg) translateZ(480px);
    -webkit-transform: rotateY(180deg) translateZ(480px);
    -o-transform: rotateY(180deg) translateZ(480px);
}
#carousel figure:nth-child(6) {
    transform: rotateY(225deg) translateZ(480px);
    -ms-transform: rotateY(225deg) translateZ(480px);
    -moz-transform: rotateY(225deg) translateZ(480px);
    -webkit-transform: rotateY(225deg) translateZ(480px);
    -o-transform: rotateY(225deg) translateZ(480px);
}
#carousel figure:nth-child(7) {
    transform: rotateY(270deg) translateZ(480px);
    -ms-transform: rotateY(270deg) translateZ(480px);
    -moz-transform: rotateY(270deg) translateZ(480px);
    -webkit-transform: rotateY(270deg) translateZ(480px);
    -o-transform: rotateY(270deg) translateZ(480px);
}
#carousel figure:nth-child(8) {
    transform: rotateY(315deg) translateZ(480px);
    -ms-transform: rotateY(315deg) translateZ(480px);
    -moz-transform: rotateY(315deg) translateZ(480px);
    -webkit-transform: rotateY(315deg) translateZ(480px);
    -o-transform: rotateY(315deg) translateZ(480px);
}
@keyframes yyrotation {
    from {
        transform: rotateY(0deg); }

    to {
        transform: rotateY(-360deg); }
}








.regular_bg{
    background: url(../images/index_fixed.jpg) center center / cover no-repeat;
    background-attachment: fixed;
    height: 720px;
    padding: 220px;
    position: relative;
}
.regular_bg .bg {
    position: relative;
    background-position: center top;
    background-repeat: no-repeat;
    background-attachment: fixed;
}
.regular_bg .center {
    position: relative;
    margin: 0 auto;
    text-align: center;
    z-index: 2;
}
.regular_bg .center .t1 {
    font-size: 54px;
    color: #ffffff;
}
.regular_bg .center .t2 {
    font-size: 32px;
    color: #ffffff;
    margin: 20px 0 30px
}
.regular_bg .center .t3 {
    font-size: 24px;
    color: #ffffff;
}

.regular_bg .center .con {
    position: relative;
}
.regular_bg .center .con p{
    position: absolute;
    top:43%;
    left:50%;
    margin-left: -30px;
    width:60px;
}
.regular_bg .center .con .bgzqq{
    margin-top: 30px;
    display: inline-block;
    width: 142px;
    height: 141px;
    background: url(../images/tgbg.png) no-repeat center;
    animation: zqq 24s linear infinite;
}
@keyframes zqq{
    0%{-webkit-transform:rotate(0deg);}
    100%{-webkit-transform:rotate(360deg);}
}



.index_news {
    background: #fafcff;
}
.news_item {
    width:24.25%;
    margin-right: 1%;
    float: left;
    position: relative;
}
.news_item:last-child {
    margin-right: 0;
}

.news_item {
    background: #f7f9fc;
    border: 1px solid #f1f1f1;
    border-top: 4px solid #f1f1f1;
    padding:10px 20px 20px;
    transition: all 0.3s;
}
.news_item:hover {
    border-top: 4px solid #b71d25;
    transform: translateY(-10px);
    box-shadow: 0 22px 43px rgba(0, 0, 0, 0.15);
}
.news_item:hover .tit {
    color: #b71d25;
}
.news_item .tit {
    height: 30px;
    font-size: 22px;
    line-height: 30px;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    overflow: hidden;
    margin: 20px 0;
}
.news_item .date {
    padding-bottom: 10px;
    font-size: 16px;
}
.news_item p {
    font-size: 14px;
    height: 60px;
    margin-bottom: 20px;
    display: -webkit-box;
    line-height: 20px;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    overflow: hidden;
}
.news_item img {
    width: 100%;
    object-fit: cover;
}