.index_banner {position: fixed;top:0;left:0;z-index:1;width:100%;height:100vh;}
.index_banner  .swiper-slide {
    overflow: hidden;
}
.index_banner .swiper-slide .bbg {position:relative;z-index: -1}
.index_banner .swiper-slide img{width:100%;height:100vh}
.index_banner .swiper-pagination-bullet {
    width:16px;
    height:16px;

}
.index_banner .swiper-pagination-bullets {
    bottom:3%;
}


.index_banner .swiper-slide .text {
    width:100%;
    position: absolute;
    left:50%;
    top:30%;
    transform: translate(-50%, -50%);
    color:#fff;
    text-align: center;
}
.index_banner .swiper-slide .text .tit1 {
    font-size: 5vw;
    font-weight: bold;
    margin-bottom: -10px;
    text-transform:uppercase;-webkit-background-clip:text;-webkit-text-fill-color:transparent;
    background-image:linear-gradient(to bottom,rgba(255,255,255,.1), transparent);display: inline-block;
}
.index_banner .swiper-slide .text .tit2 {
    font-size: 1.6vw;
    margin-bottom: 30px;
    font-weight: lighter;text-transform: uppercase;
}
.index_banner .swiper-slide .text .tit3{
    font-size: 3vw;
    font-weight: bold;
    margin-bottom: 30px;
}
.index_banner .swiper-slide .text .tit4{
    font-size: 2vw;
}
.index_banner .swiper-slide .text .font_effect span{display:inline-table;overflow:hidden;}
.index_banner .swiper-slide .text .font_effect font{
    opacity: 0;
}
.index_banner .swiper-slide-active .text .font_effect font{
    display: block;
    animation-name: inUp2;
    animation-duration:0.6s;
    animation-fill-mode:forwards;
}

.index_banner .swiper-slide .text2 {
    position: absolute;
    left:10%;
    top:50%;
    transform: translateY(-50%);
    color:#fff;
}
.index_banner .swiper-slide .text2 .tit1{
    font-size: 3vw;
    margin-bottom: 50px;
    font-weight: bold;
    opacity: 0;
}
.index_banner .swiper-slide .text2 .tit2{
    font-size: 2vw;
    opacity: 0;
}
.index_banner .swiper-slide-active .text2 .tit1{
    animation: inUp 1.2s forwards .2s;
}
.index_banner .swiper-slide-active .text2 .tit2{
    animation: inUp 1.2s forwards .4s;
}
@-webkit-keyframes inUp {
    0% { opacity: 0; transform:translateY(100px); -webkit-transform:translateY(100px); -moz-transform:translateY(100px); -ms-transform:translateY(100px); -o-transform:translateY(100px); }
    20% { opacity: 0; transform:translateY(100px); -webkit-transform:translateY(100px); -moz-transform:translateY(100px); -ms-transform:translateY(100px); -o-transform:translateY(100px); }
    100% { opacity: 1; transform: translateY(0px); -webkit-transform: translateY(0px); -moz-transform: translateY(0px); -ms-transform: translateY(0px); -o-transform: translateY(0px); }
}
@keyframes inUp {
    0% { opacity: 0; transform:translateY(100px); -webkit-transform:translateY(100px); -moz-transform:translateY(100px); -ms-transform:translateY(100px); -o-transform:translateY(100px); }
    20% { opacity: 0; transform:translateY(100px); -webkit-transform:translateY(100px); -moz-transform:translateY(100px); -ms-transform:translateY(100px); -o-transform:translateY(100px); }
    100% { opacity: 1; transform: translateY(0px); -webkit-transform: translateY(0px); -moz-transform: translateY(0px); -ms-transform: translateY(0px); -o-transform: translateY(0px); }
}
@keyframes inUp2 {
    0% {
        opacity: 0;
        -webkit-transform: translate3d(0,100%,0);
        transform: translate3d(0,100%,0)
    }

    to {
        opacity: 1;
        -webkit-transform: none;
        transform: none
    }
}


.banner_switch{position:absolute;top:50%;color:#fff;z-index:10;transform:translateY(-50%);-webkit-transform:translateY(-50%);}
.banner_switch.banner_prev{left:5%;}
.banner_switch.banner_next{right:5%;}
.banner_switch>a{position: relative;display: block;width:60px;height:60px;line-height:60px;text-align: center;z-index:2;}
.banner_switch>a>i{font-size:28px;color:rgba(255,255,255,.3);transition:all 0.5s}
.banner_switch .banner_switch_circular{width:100%;height:100%;position:absolute;left:0;top:0;}
.banner_switch>a:before{content:'';position:absolute;width:100%;height:100%;z-index:-1;
    border:1px solid rgba(255,255,255,.3);border-radius:50%;left:0;top:0;}
.banner_switch .banner_switch_circular circle{stroke:#fff;stroke-dasharray:188.4;
    stroke-dashoffset:188.4;animation: circle-stroke-out .4s forwards;stroke-width:1px;}
.banner_switch>a:hover .banner_switch_circular circle{animation: circle-stroke-in .75s forwards;}
@keyframes circle-stroke-in{0%{stroke-dashoffset:188.4}to{stroke-dashoffset:0}}
@keyframes circle-stroke-out{0%{stroke-dashoffset:0}to{stroke-dashoffset:-188.4}}
.banner_switch>a:hover>i{color:#fff;}



.mouse{position:absolute;bottom:60px;right:30%;transform:translate(-50%,50%);z-index:50;color:#fff;}
.mouse .mouseName{margin-bottom:10px;line-height:1;letter-spacing:0.08em;}
.mouse .mouseOf{height:34px;width:22px;border-radius:22px;border:1px solid #fff;position:relative;margin:0 auto;}
.mouse .mouseOf:after{content: '';width:2px;height:6px;background-color: #fff;border-radius:2px;
    animation: scroll-icon 1.5s infinite ease-in-out;
    position:absolute;left:50%;transform:translateX(-50%);}
@keyframes scroll-icon {
    0% {
        top:3px;
        opacity: 0;
    }
    30%,
    70% {
        opacity: 1;
    }
    100% {
        top:calc(100% - (3px + 6px));
        opacity: 0;
    }
}



.section_title {
    position: relative;
    width:100%;
    background: #fff;
    z-index: 9;
}
.section_tit {
    position: relative;
    padding-top: 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.section_tit .top_tit {
    position: relative;
}
.section_tit .top_tit .cn {
    font-size: 2.7rem;
    color: #137acc;
    line-height: 3rem;
    position: relative;
    transform: translateY(-60%);
    font-weight: 600;
}
.section_tit .top_tit .en{
    font-size: 4rem;
    display: inline-block;
    opacity: .2;
    -webkit-text-stroke: 1px #137acc;
    color: transparent;
    text-transform: uppercase;
}

.section_tit .top_tit .txt {
    font-size: 26px;
    color: #333;
    line-height: 38px;
    margin-top: 24px;
}
.view_more {
    position: relative;
    overflow: hidden;
    width: 10rem;
    height: 3rem;
    display: block;
    border: 1px solid #cbcbcb;
    line-height: 3rem;
    text-align: center;
    border-radius: 20px 0 0;
    background-color: transparent;
}
.view_more span {
    display: inline-block;
    height: 100%;
    font-size: 1rem;
    color: #333;
    transition: .3s;
}
.view_more:hover {
    border-color: #137acc;
    background-color: #137acc;
}
.view_more:hover span {
    color: #fff;
}








.index_classify {
    position: relative;
    background: #fff;
    z-index: 9;
}
.category_swiper {
    overflow: hidden;
    position: relative;
}
.category_swiper .swiper-slide img{
    transition: 0.5s;
}
.category_swiper .swiper-slide img:hover{
    transform: scale(1.1)
}
.product_switch{position:absolute;top:50%;color:#fff;z-index:10;transform:translateY(-50%);-webkit-transform:translateY(-50%);}
.product_switch.prev{left:2%;}
.product_switch.next{right:2%;}
.product_switch .iconfont {color:#fff;font-size: 24px;}
.product_switch.prev a span {display:block;transform: rotate(180deg)}
.product_switch a{position: relative;display: block;width:60px;height:60px;line-height:60px;text-align: center;z-index:2;}
.product_switch  a:before{content:'';position:absolute;width:100%;height:100%;z-index:-1;
    border:1px solid #fff;border-radius:50%;left:0;top:0;}
.product_switch .switch_circular{width:100%;height:100%;position:absolute;left:0;top:0;}
.product_switch .switch_circular circle{stroke:#137acc;stroke-dasharray:188.4;
    stroke-dashoffset:188.4;animation: circle-stroke-out .4s forwards;stroke-width:2px;}
.product_switch:hover .switch_circular circle{animation: circle-stroke-in .75s forwards;}
@keyframes circle-stroke-in{0%{stroke-dashoffset:188.4}to{stroke-dashoffset:0}}
@keyframes circle-stroke-out{0%{stroke-dashoffset:0}to{stroke-dashoffset:-188.4}}
.category_list {
    position: absolute;
    bottom:0;
    background: #0000003d;
    z-index: 2;
    width:100%;
    height:60px;
    display: flex;
    justify-content:space-between;
    align-items: center;
}
.category_list a {
    flex:1;
    text-align: center;
    font-size: 16px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 10px;
}
.category_list a .name {
    margin-left: 5px;
    position: relative;
    z-index: 2;
    font-size: 1rem;
    color:#fff;
}
.category_list a.cur {
    border: 1px solid #f9f9f9;
}
.category_list a .icoImg {
    transition: 0.5s;
    position: relative;
    z-index: 2;
    width:60px;
}


.index_products {
    position: relative;
    background: #fff;
    z-index: 9;
}
.index_products .pro_list {
    padding-top:30px;
}
.index_products .pro_list .pro_list_c:not(:first-child) {
    display: none;
}
.index_products .pro_list .pro_list_c li{
    width:23.5%;
    float: left;
    margin-right: 2%;
    margin-bottom: 50px;
}
.index_products .pro_list .pro_list_c li:nth-child(4n){
    margin-right: 0;
}
.index_products .pro_list .pro_list_c li img{
    width:100%;
    display: block;
}
.index_products .pro_list .pro_list_c li .pro_box {
    position: relative;
    box-shadow: 1px 1px 1px 1px #ddd;
}
.index_products .pro_list .pro_list_c li  .title {
    width: calc(100% + 2px);
    height: 50px;
    text-align: center;
    line-height: 50px;
    background: #137acc;
    color: #fff;
    font-size: 16px;
}







.index_about {
    position: relative;
    background: #fff;
    margin-top: 100vh;
    padding:15vw 0 50px;
    z-index: 9;
}
.index_about .xian {
    position: absolute;
    left: 0;
    top: 50px;
    z-index: 3;
    pointer-events: none;
    width:90vw;
}
#about_mask {width:100vw;height:20vw;position: absolute;left:0;top: 50px;z-index: 4;background: #fff;transition:3s;}
#about_mask.act {
    left:100vw;
}

.index_about .title {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 3.23vw;z-index: 9}

.index_hangye {position: relative;padding-top: 50px;}
.index_hangye .wenhua_nav li{width:50%;height:3rem;background: #8b8b8b;color: #fff;display: flex;justify-content: center;align-items: center;}
.index_hangye .wenhua_nav li.act{background:#137acc;color:#fff}
.index_hangye .line{margin: 15px 0;position: relative;}
.index_hangye .line .line1{width: 100%;height: 4.9px;background: #00A0E9;}
.index_hangye .line .line2{position: absolute;right: 90%;top: -0.08px; height: 100%;width:10%;background: #004098;transition: all .5s;}
.index_hangye .line .line2 .tb{position: absolute;top: 0;right: -14px;background: #fff;}
.index_hangye .line.case_no0 .line2{width: 25%;right: 75%;}
.index_hangye .line.case_no1 .line2{width: 75%;right: 25%;}

.index_hangye .hangye_swiper .wz {font-size: 1rem;line-height: 2rem;background: #fff;height:8rem}

.index_hangye .hangye {
    position: absolute;
    width:100%;
    height:100%;
    left:0;
    top:0;
}
.index_hangye .hy_pic {display: none;width:100%;transition: 0.3s;}
.index_hangye .hy_pic:first-child {display: block}
.hangye li {
    width:33.3%;
    height:33.3%;
    float:left;
    font-size: 1.2rem;
    color:#fff;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom:1px solid #fff;
    border-right:1px solid #fff;
}
.hangye li:nth-child(3n) {
    border-right:0
}
.hangye li:nth-child(n+7) {
    border-bottom:0
}
.hangye li.cur {background:#2779bf82;}







.index_fixed {position: fixed;top:0;margin-top: 30px;width:100%;height:100vh}
.index_fixed .play {position: absolute;top:50%;left:50%;transform: translate(-50%,-50%);width:150px;cursor:pointer; text-align: center;}
.index_fixed .play img{animation: rotate360 2s ease infinite;}
.index_fixed .play .iconfont {position: absolute;top:50%;left:50%;transform: translate(-50%,-50%);color:#fff;font-size: 24px;}
@keyframes rotate360 {
    0% {
        transform: rotate(0deg); }
    100% {
        transform: rotate(359deg); }
}






.index_case {padding-top:10px;position: relative;z-index: 9;background: #f9f9f9;}
.index_case .case_top_pic{ display: flex;}
.index_case .case_top_pic li{ width: 50%;}
.index_case .case_box .case_top{ background: #f9f9f9; padding:0 0 4.5rem 0; border-radius: 0 3rem 0 0; position: relative; top: -10rem;height:10rem;}
.index_case .case_swiper {
    position: relative; overflow-x: hidden;top:-8rem;margin-bottom: -6rem;
}
.index_case .case_swiper .swiper-wrapper {
    -webkit-transition-timing-function: linear;
    /*之前是ease-out*/
    -moz-transition-timing-function: linear;
    -ms-transition-timing-function: linear;
    -o-transition-timing-function: linear;
    transition-timing-function: linear;
}
.index_case .case_swiper .swiper-slide{
    border:1px solid #f1f1f1;
}
.index_case .case_swiper img{
    display: block;
}
.index_case .case_swiper p{
    width:100%;height:3rem;line-height: 3rem;text-align: center;font-size: 1rem;color:#333;
}








.index_news{position: relative;z-index: 9;background: #fff;padding-bottom: 30px;}
.index_news .nl {width:45%;}
.index_news .nr {width:55%;padding-left:1%;display: flex;flex-direction: column;justify-content: space-between;}


.index_news .nl .news_item{width:100%;border:1px solid #e1e1e1;;padding:0;transition: all .3s;}
.index_news .nl .news_item .img{width: 100%;overflow: hidden;transition: all .3s;position:relative;padding:5px;}
.index_news .nl .news_item .img img{width: 100%;transition: all .3s;}
.index_news .nl .news_item .wz{position: relative;padding:1.25rem}
.index_news .nl .news_item .wz h3{font-size: 1.2rem;line-height: 2.4rem;
    overflow: hidden; color: #000;margin-bottom: 1.25rem;transition: all .3s;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;

}
.index_news .nl .news_item .wz .time{font-size: 1rem;color: #595353;margin-bottom: 20px;}
.index_news .nl .news_item .wz p{font-size: 0.9rem;line-height: 1.8rem;height:3.6rem; overflow: hidden;color: #595353;margin-bottom: 1rem;transition: all .3s;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;}


.index_news .nr .news_item{width:100%;border-bottom:1px solid #e1e1e1;padding:0;transition: all .3s;flex:1;}
.index_news .nr .news_item:first-child {border-top:1px solid #e1e1e1;}
.index_news .nr .news_item a {display: flex;align-items: center;height:100%;}
.index_news .nr .news_item .img{width: 35%;overflow: hidden;transition: all .3s;position:relative;padding:5px;}
.index_news .nr .news_item .img img{width: 100%;transition: all .3s;}
.index_news .nr .news_item .wz{width: 65%;position: relative;padding:0 2%;}
.index_news .nr .news_item .wz h3{font-size: 1rem;line-height: 1rem;overflow: hidden; color: #000;margin-bottom: 1.2rem;transition: all .3s;text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}
.index_news .nr .news_item .wz .time{font-size: 0.8rem;color: #595353;margin-bottom: 20px;}
.index_news .nr .news_item .wz p{font-size: 0.8rem;line-height: 1.6rem;overflow: hidden;color: #595353;transition: all .3s;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;}

.index_news .news_item:hover .wz h3{color: #137acc;}
.index_news .news_item:hover .wz .time,.index_news .news_item:hover .wz p{color:#137acc;}