.index {
    display: none;
}
.index_mobile {
    display: none;
}
.tab_box {
    display: none;
}
.video_5 {
    display: none;
}
.register_bg1 {
    display: none;
}
.register_bg2 {
    display: none;
}
.header {
    width: 100%;
    height: 132px;
    /* background-color: #696969; */
    background: #1a1a1a;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 2;
}
.header .header_box {
    height: 132px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header .header_box .logos img {
    width: 420px;
}
.header .header_box .menu li {
    float: left;
    margin-right: 68px;
}
.header .header_box .menu li:last-child {
    margin-right: 0;
}
.header .header_box .menu li a {
    display: block;
    height: 132px;
    /* padding: 0 20px; */
    color: #fff;
    font-size: 18px;
    line-height: 132px;
}
.header .header_box .menu li a span {
    position: relative;
}
.header .header_box .menu li a i {
    display: block;
    width: 100%;
    height: 4px;
    background-color: #d5001d;
    display: none;
    position: absolute;
    bottom: -6px;
    left: 0;
}
.header .header_box .menu .active a {
    color: #d5001d;
}
.header .header_box .menu .active a i {
    display: block;
}
.footer {
    display: block;
    width: 100%;
    height: 114px;
    background: #212121;
    line-height: 114px;
    text-align: center;
    font-size: 18px;
    color: #fff;
    position: relative;
    z-index: 1;
}
.index_pc {
    display: block;
    position: relative;
    padding: 132px 0 0;
}
.index_pc .pc_banner1 {
    position: fixed;
    width: 1768px;
    right: 0;
    top: 0;
}
.index_pc .banner {
    position: relative;
    z-index: 1;
    padding: 311px 0 343px;
}
.index_pc .banner img {
    width: 976px;
    margin-left: 59px;
}
.index_pc .page {
    position: relative;
    z-index: 1;
}
.index_pc .page .tabs {
    margin: 57px 0 124px;
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
}
.index_pc .page .tabs a {
    width: 305px;
    height: 71px;
    background: url(../images/page_bg.png) no-repeat;
    background-size: 100% 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 70px;
    color: #fff;
    font-size: 28px;
}
.index_pc .title img {
    width: 189px;
    margin: 0 auto;
}
.index_pc .page1 {
    position: relative;
    z-index: 1;
    margin-bottom: 100px;
}
.index_pc .page1 .con {
    font-size: 20px;
    line-height: 40px;
    color: #fff;
    text-indent: 40px;
    padding: 53px 75px;
    background: url(../images/page1_bg.png) no-repeat;
    background-size: 100% 100%;
}
.index_pc .page2 {
    position: relative;
    z-index: 1;
    margin-bottom: 100px;
}
.index_pc .page2 .box {
    margin: 4px 0 0;
    padding-bottom: 43px;
}
.index_pc .page2 .box .item {
    float: left;
    width: 441px;
    height: 270px;
    position: relative;
    color: #fff;
    background: url(../images/page2_bg.png) no-repeat;
    background-size: 100% 100%;
    margin-right: 58px;
    margin-bottom: 58px;
    box-sizing: border-box;
    padding: 30px 0 0 20px;
}
.index_pc .page2 .box .item:nth-child(3n) {
    margin-right: 0;
}
.index_pc .page2 .box .item .con .con_tit {
    font-size: 26px;
    line-height: 26px;
    font-weight: bold;
}
.index_pc .page2 .box .item .con .line {
    width: 64px;
    height: 4px;
    background-color: #fff;
    margin: 22px 0 10px 0;
}
.index_pc .page2 .box .item .con p {
    font-size: 20px;
    line-height: 36px;
}
.index_pc .page2 .box .item .con img {
    position: absolute;
}
.index_pc .page3 {
    position: relative;
    z-index: 1;
    overflow: hidden;
}
.index_pc .page3 .box {
    /* width: 2190px; */
    width: 1740px;
    height: 500px;
    /* margin-left: -300px; */
}
.index_pc .page3 .slide_banner .item-content .img video {
    position: fixed;
    width: 100%;
    z-index: 2;
    top: 0;
    left: 0;
}
.slide_banner .slide-3d .item-list li.item2:hover {
    cursor: pointer;
}
.video_5 {
    position: fixed;
    width: 100%;
    height: 100%;
    background-color: #000;
    top: 0;
    left: 0;
    z-index: 999;
    display: none;
}
.video_5 video {
    width: 50%;
    height: auto;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: block !important;
}
.video_5 .colse_video {
    width: 46px;
    height: 46px;
    display: block;
    top: 100px;
    right: 100px;
    /* top: 50%; */
    position: absolute;
    /* transform: translateY(-50%); */
}

/* .index_pc .page3 .swiper-container-pc3 .swiper-slide .div {
    position: absolute;

}
.mask {
    position: absolute;
} */
/* .index_pc .page3 .swiper-container-pc3 .swiper-slide .div .paly_btn {
    width: 60px;
    height: 60px;
    position: absolute;
    right: 20px;
    bottom: 22px;
} */
/* .index_pc .page3 .swiper-container-pc3 .swiper-slide-active,.swiper-slide-duplicate-active{
    transform: scale(1);
    width: 730px !important;
}
.index_pc .page3 .swiper-container-pc3 .swiper-slide-active,.swiper-slide-duplicate-active {
    z-index: 1;
}
.index_pc .page3 .swiper-container-pc3 .swiper-button-next, .swiper-container-rtl .swiper-button-prev {
    background: url(../images/page3_triangle_icon2.png) no-repeat;
    background-size: 100% 100%;
    width: 25px;
    height: 41px;
}
.index_pc .page3 .swiper-container-pc3 .swiper-button-next:after, .swiper-container-rtl .swiper-button-prev:after {
    content: '';
}
.index_pc .page3 .swiper-container-pc3 .swiper-button-prev, .swiper-container-rtl .swiper-button-next {
    background: url(../images/page3_triangle_icon1.png) no-repeat;
    background-size: 100% 100%;
    width: 25px;
    height: 41px;
}
.index_pc .page3 .swiper-container-pc3 .swiper-button-prev:after, .swiper-container-rtl .swiper-button-next:after {
    content: '';
} */
.index_pc .page4 {
    position: relative;
    z-index: 1;
    padding-bottom: 52px;
    padding-top: 100px;
}
.index_pc .page4 .box {
}
.index_pc .page4 .box .item {
    width: 447px;
    margin-right: 49px;
    margin-bottom: 49px;
    color: #fff;
    position: relative;
    float: left;
}
.index_pc .page4 .box .item:nth-child(3n) {
    margin-right: 0;
}
.index_pc .page4 .box .item img {
    width: 447px;
}
.index_pc .page4 .box .item .con {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    box-sizing: border-box;
    padding: 41px 0 0 39px;
}
.index_pc .page4 .box .item .con h2 {
    font-size: 26px;
    line-height: 58px;
    font-weight: bold;
}
.index_pc .page4 .box .item .con p {
    font-size: 24px;
    line-height: 36px;
}
.index_pc .page5 {
    position: relative;
    z-index: 1;
    padding-bottom: 94px;
}
.index_pc .page5 .box {
}
.index_pc .page5 .box .item {
    width: 692px;
}
.index_pc .page5 .box .item .img {
    width: 692px;
}
.index_pc .page5 .box .item p {
    margin-top: 59px;
    font-size: 26px;
    line-height: 40px;
    text-align: center;
    color: #fff;
}

.product_img_box {
    display: none;
}