/* index.html 主页 */
:root {
    /* 颜色变量 */
    --bg-color: #F7F3ED;
    --main-color: #EB5C20;
    --main-color-gradient: linear-gradient(to bottom, #FF8A58, #EB5C20);
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


/* 主内容区域样式 */
.firstindex {
    flex: 1;
    background: linear-gradient(to bottom, #FDF6F3, #FDF6F3);

}

.firstindex .first-content {
    width: 100%;
    position: relative;
    overflow: hidden;
    height: 100vh;
    display: flex;
    background: url(/static/imgs/index/firstindex.png) no-repeat center center;
    background-size: cover;
}

.firstindex .first-content video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    display: flex;
}

.firstindex .first-content .swiper {}

.firstindex .first-content .swiper .swiper-wrapper {}

.firstindex .first-content .swiper .swiper-wrapper .swiper-slide.pchide {}

.firstindex .first-content .swiper .swiper-wrapper .swiper_pic {
    width: 100%;
    height: 100%;
    position: relative;
}

.firstindex .first-content .swiper .swiper-wrapper .swiper_pic .swiper_pic_l {
    position: absolute;
    width: 35%;
    left: calc(50% - (1075 / 2560 * 100vw));
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: calc(140 / 2560 * 100vw);
}

.firstindex .first-content .swiper .swiper-wrapper .swiper_pic .swiper_pic_l .swiper_pic_lt {
    display: flex;
    flex-direction: column;
    gap: calc(20 / 2560 * 100vw);
}

.firstindex .first-content .swiper .swiper-wrapper .swiper_pic .swiper_pic_l .swiper_pic_lt p {
    line-height: 1.2;
}

.firstindex .first-content .swiper .swiper-wrapper .swiper_pic .swiper_pic_l .swiper_pic_lt p span {
    gap: calc(8 / 2560 * 100vw);
    display: flex;
}

.firstindex .first-content .swiper .swiper-wrapper .swiper_pic .swiper_pic_l .swiper_pic_lt p span sup {
    font-size: calc(36 / 2560 * 100vw);
}

.firstindex .first-content .swiper .swiper-wrapper .swiper_pic .swiper_pic_l .swiper_pic_lt p small {
    font-size: calc(14 / 2560 * 100vw);
    color: #9A7C6F;
}

.firstindex .first-content .swiper .swiper-wrapper .swiper_pic .swiper_pic_r {
    position: absolute;
    width: 50%;
    bottom: 0;
    right: 0;
}

.firstindex .first-content .swiper .swiper-wrapper .swiper_pic .swiper_pic_r img {
    width: 100%;
}

/* 滑块样式
.firstindex .first-content .swiper-button-next,
.swiper-rtl .swiper-button-prev {
    width: calc(100 / 2560 * 100vw);
    height: calc(100 / 2560 * 100vw);
    background-color: var(--bg-color);
    border-radius: calc(100 / 2560 * 100vw);
    opacity: 0.4;
    color: var(--main-color);
    right: calc(100 / 2560 * 100vw);
    transition: all 0.5s ease;
}

.firstindex .first-content .swiper-button-prev,
.swiper-rtl .swiper-button-next {
    width: 100px;
    height: 100px;
    background-color: var(--bg-color);
    border-radius: 100px;
    opacity: 0.4;
    color: var(--main-color);
    left: 100px;
    transition: all 0.5s ease;
} */

.firstindex .first-content .swiper-button-next:hover,
.swiper-rtl .swiper-button-prev {
    opacity: 1;
}

.firstindex .first-content .swiper-button-prev:hover,
.swiper-rtl .swiper-button-next {
    opacity: 1;
}

.firstindex .first-content .swiper {
    height: 100%;
    width: 100%;
    position: relative;
}

.firstindex .first-content .swiper .swiper-pagination {
    /* display: none; */
    display: flex;
    gap: calc(35 / 2560 * 100vw);
    left: calc(50% - (1075 / 2560 * 100vw));
    bottom: calc(140 / 2560 * 100vw);
}

.firstindex .first-content .swiper .swiper-pagination .swiper-pagination-bullet {
    width: calc(20 / 2560 * 100vw);
    height: calc(20 / 2560 * 100vw);
    background-color: rgba(0, 0, 0, 0.5);
}

.firstindex .first-content .swiper .swiper-pagination .swiper-pagination-bullet-active {
    width: calc(92 / 2560 * 100vw);
    border-radius: calc(100 / 2560 * 100vw);
    background: var(--main-color-gradient);
}

.firstindex .first-content .swiper .mouse-card {
    width: calc(100 / 2560 * 100vw);
    position: absolute;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: calc(20 / 2560 * 100vw);
    left: calc(50% - (50 / 2560 * 100vw));
    z-index: 10;
    bottom: calc(30 / 2560 * 100vw);
}

.firstindex .first-content .swiper .mouse-card img {
    width: 100%;
}

/* 上层图片动画 */
.firstindex .first-content .swiper .mouse-card .mouse_top {
    animation: floatUp 1s ease-in-out infinite alternate;
    width: calc(42 / 2560 * 100vw);
}

/* 下层图片动画 */
.firstindex .first-content .swiper .mouse-card .mouse_bottom {
    animation: floatDown 1s ease-in-out infinite alternate;
    width: calc(18 / 2560 * 100vw);
}

/* 定义动画关键帧 */
@keyframes floatUp {
    0% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(-20px);
        /* 向上浮动距离 */
    }
}

@keyframes floatDown {
    0% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(20px);
        /* 向下浮动距离 */
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: #f8f8f8;

}

::selection {
    background-color: var(--main-color);
    color: white;
}

::-moz-selection {
    background-color: var(--main-color);
    color: white;
}

.secondindex {
    width: 100%;
    background: #fff;
    padding: calc(100 / 2560 * 100vw) 0;
}

/* 标题区域 */
.section-header {
    text-align: center;
    margin-bottom: calc(80 / 2560 * 100vw);
}

.section-title {
    margin-bottom: calc(15 / 2560 * 100vw);
    letter-spacing: calc(2 / 2560 * 100vw);
}

.section-subtitle {
    letter-spacing: calc(1 / 2560 * 100vw);
}

/* 产品展示容器 */
.products-showcase {
    display: flex;
    gap: calc(30 / 2560 * 100vw);
    align-items: center;
    justify-content: center;
    margin-bottom: calc(60 / 2560 * 100vw);
    position: relative;
}

/* 产品卡片 */
.product-card {
    flex: 1;
    background: white;
    padding: calc(20 / 2560 * 100vw);
    cursor: pointer;
    box-shadow: 0 0 calc(40 / 2560 * 100vw) rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
    transition: all 0.5s ease;
    background: linear-gradient(to bottom, #FFF, #FFFAF6);
}

.product-card:hover::before {
    opacity: 1;
}

.product-card:hover {
    flex: 1.3;
    box-shadow: 0 calc(15 / 2560 * 100vw) calc(40 / 2560 * 100vw) rgba(0, 0, 0, 0.12);
    opacity: 1;
}

/* 产品图片容器 */
.product-image-container {
    padding: calc(80 / 2560 * 100vw) calc(40 / 2560 * 100vw);
    width: 100%;
    height: calc(600 / 2560 * 100vw);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: calc(20 / 2560 * 100vw);
    border-radius: calc(10 / 2560 * 100vw);
    overflow: hidden;
    position: relative;
    transition: all 0.5s ease;
}

.product-main-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: opacity 0.3s ease-in-out;
}

.product-card:hover .product-image-container {
    padding: calc(30 / 2560 * 100vw) 0;
}

/* 缩略图 */
.product-thumbnails {
    display: flex;
    gap: calc(10 / 2560 * 100vw);
    justify-content: center;
    margin-bottom: calc(10 / 2560 * 100vw);
}

.thumbnail {
    width: calc(80 / 2560 * 100vw);
    height: calc(80 / 2560 * 100vw);
    border: calc(4 / 2560 * 100vw) solid #CCCCCC;
    overflow: hidden;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s;
}

.thumbnail img {
    width: calc(50 / 2560 * 100vw);
    height: calc(50 / 2560 * 100vw);
    object-fit: contain;
}

.thumbnail.active {
    border-color: #ff6b35;
}

/* 产品信息 */
.product-info {
    /* text-align: center; */
    padding-left: calc(20 / 2560 * 100vw);
    padding-bottom: calc(20 / 2560 * 100vw);
}

.product-name {
    margin-top: calc(40 / 2560 * 100vw);
    font-size: calc(23 / 2560 * 100vw);
    color: #333;
    margin-bottom: calc(10 / 2560 * 100vw);
    font-weight: 500;
    transition:
        all 0.8s ease;
    transform: translateZ(0);
    -webkit-font-smoothing: antialiased;
    text-wrap: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-card:hover .product-info .product-name {
    margin-top: 0;
    font-size: calc(40 / 2560 * 100vw);
    color: #000;
}

.product-series {
    width: 100%;
    font-size: calc(16 / 2560 * 100vw);
    color: #999;
    margin-top: calc(30 / 2560 * 100vw);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-series img {
    width: calc(20 / 2560 * 100vw);
}

.product-link:hover::after {
    transform: translateX(3px);
}

/* 分页指示器 */
.pagination-dots {
    display: flex;
    justify-content: center;
    gap: calc(12 / 2560 * 100vw);
    margin-top: calc(90 / 2560 * 100vw);
}

.pagination-dots .dot {
    width: calc(75 / 2560 * 100vw);
    height: calc(75 / 2560 * 100vw);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    font-size: calc(14 / 2560 * 100vw);
    color: white;
}

.pagination-dots .dot.prev {
    background: #333;
}

.pagination-dots .dot.next {
    background: #ff6b35;
}

.pagination-dots .dot:hover {
    transform: scale(1.05);
    box-shadow: 0 calc(5 / 2560 * 100vw) calc(15 / 2560 * 100vw) rgba(0, 0, 0, 0.2);
}

.pagination-dots .dot img {
    width: calc(30 / 2560 * 100vw);
    height: calc(30 / 2560 * 100vw);
}



.thirdindex {
    position: relative;
    width: 100%;
    background-color: #fff;
}

.thirdindex .third_card {
    display: flex;
}

.thirdindex .third_card .third_l {
    width: calc(50% + (500 / 2560 * 100vw));
    position: relative;
}

.thirdindex .third_card .third_l .third_l_img {}

.thirdindex .third_card .third_l .third_l_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    position: absolute;
    top: 0;
    left: 0;
}

.thirdindex .third_card .third_l .third_l_img .active {
    opacity: 1;
    display: block;
}

.thirdindex .third_card .third_l .third_l_card {
    position: absolute;
    bottom: calc(190 / 2560 * 100vw);
    left: calc(100% - (1575 / 2560 * 100vw));
    padding: calc(50 / 2560 * 100vw);
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    gap: calc(10 / 2560 * 100vw);
}

.thirdindex .third_card .third_l .third_l_card .more-btn-deep {
    margin-top: calc(20 / 2560 * 100vw);
}

.thirdindex .third_card .third_r {
    width: calc(50% - (500 / 2560 * 100vw));
}

.thirdindex .third_card .third_r .third_r_main {
    width: calc(675 / 2560 * 100vw);
    margin-left: calc(-80 / 2560 * 100vw);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.thirdindex .third_card .third_r .third_r_main .third_r_top {
    width: 80%;
    display: flex;
    flex-direction: column;
    gap: calc(30 / 2560 * 100vw);
}

.thirdindex .third_card .third_r .third_r_main .third_r_top .third_r_title_top {
    font-size: calc(26 / 2560 * 100vw);
    color: #ccc;
    font-weight: 300;
}

.thirdindex .third_card .third_r .third_r_main .third_r_top .third_r_title_bottom {
    font-size: calc(45 / 2560 * 100vw);
    font-weight: bold;
}

.thirdindex .third_card .third_r .third_r_main .third_r_items {
    margin-top: calc(90 / 2560 * 100vw);
    display: flex;
    flex-direction: column;
    gap: calc(50 / 2560 * 100vw);
    width: 100%;
    transition: all 0.5s ease;
    padding: 0 0 calc(230 / 2560 * 100vw) 0;
}

.thirdindex .third_card .third_r .third_r_main .third_r_items .third_r_item {
    width: 100%;
    padding: calc(70 / 2560 * 100vw) 0;
    overflow: hidden;
}

.thirdindex .third_card .third_r .third_r_main .third_r_items .empty {
    padding: calc(70 / 2560 * 100vw) 0;
}

.thirdindex .third_card .third_r .third_r_main .third_r_items .third_r_item.active {
    background-color: var(--main-color);
    color: white;
}

.thirdindex .third_card .third_r .third_r_main .third_r_items .third_r_item .third_r_item_card {
    height: 100%;
    display: flex;
    gap: calc(50 / 2560 * 100vw);
    margin-right: calc(50 / 2560 * 100vw);
    align-items: center;
    justify-content: flex-end;
    transition: all 0.5s ease;
    font-size: calc(36 / 2560 * 100vw);
}

.thirdindex .third_card .third_r .third_r_main .third_r_items .third_r_item.active .third_r_item_card {
    gap: calc(80 / 2560 * 100vw);
}

.thirdindex .third_card .third_r .third_r_main .third_r_items .third_r_item .third_r_item_card .third_r_item_cardl {
    width: 70%;
    text-wrap: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.thirdindex .third_card .third_r .third_r_main .third_r_items .third_r_item .third_r_item_card .third_r_item_cardr {
    width: calc(45 / 2560 * 100vw);
    height: calc(45 / 2560 * 100vw);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.thirdindex .third_card .third_r .third_r_main .third_r_items .third_r_item .third_r_item_card .third_r_item_cardr img {
    width: calc(45 / 2560 * 100vw);
    height: calc(45 / 2560 * 100vw);
    transition: all 0.5s ease;
}

.thirdindex .third_card .third_r .third_r_main .third_r_items .third_r_item.active .third_r_item_card .third_r_item_cardr img {
    transform: translateX(-100%);
}

.thirdindex .third_card .third_r .third_r_main .third_r_items .third_r_item .third_r_item_card .third_r_item_cardr img {}

.thirdindex .third_card .third_r .third_r_main .third_r_items .third_r_item .bgimg {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    right: 0;
    opacity: 0;
    transition: all 0.5s ease;
}

.thirdindex .third_card .third_r .third_r_main .third_r_items .third_r_item.active .bgimg {
    opacity: 0.1;
}

.fourthindex {
    position: relative;
    width: 100%;
    padding: calc(405 / 2560 * 100vw) 0;
    background: url(/static/imgs/index/Vector.png) no-repeat center center #fff;
    background-size: cover;
}

.fourthindex .fourthcard {
    display: flex;
    align-items: center;
}

.fourthindex .fourthcard .fourth-content {
    width: 100%;
    display: flex;
}

.fourthindex .fourthcard .fourth-content .fourthcard-l {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fourthindex .fourthcard .fourth-content .fourthcard-l img {
    width: calc(650 / 2560 * 100vw);
}

.fourthindex .fourthcard .fourth-content .fourthcard-r {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: calc(60 / 2560 * 100vw);
}




.fourthindex .fourthcard .fourth-content .fourthcard-r .fourthcard-r-b {}

.fourthindex .fourthcard .fourth-content .fourthcard-r .fourthcard-r-b .more-btn-shallow {
    margin-top: calc(50 / 2560 * 100vw);
}

.fifthindex {
    width: 100%;
    background-color: #fff;
}

.fifthindex .fifthcard {
    display: flex;
    align-items: center;
    padding: calc(130 / 2560 * 100vw) 0 calc(130 / 2560 * 100vw) 0;
}

.fifthindex .fifthcard .fifth-items {
    height: calc(980 / 2560 * 100vw);
    display: flex;
    gap: calc(50 / 2560 * 100vw);
    align-items: center;
    justify-content: space-between;
}

.fifthindex .fifthcard .fifth-items .fifth-item {
    position: relative;
    height: 100%;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.5s ease;
}

.fifthindex .fifthcard .fifth-items .fifth-item .fifth-item-img {
    width: 100%;
    height: 100%;
    transition: all 0.5s ease;
}

.fifth-item-card {
    position: absolute;
    top: 0;
    left: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.00));
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.fifth-item-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(255, 100, 0, 0.8), rgba(255, 100, 0, 0.00));
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
    pointer-events: none;
}

.fifth-item:hover .fifth-item-card::before {
    opacity: 1;
}

.fifthindex .fifthcard .fifth-items .fifth-item:hover .fifth-item-img {
    transform: scale(1.05);
}

.fifthindex .fifthcard .fifth-items .fifth-item .fifth-item-card .fifth-item-card-content {
    width: 100%;
    height: 100%;
    display: flex;
    gap: calc(50 / 2560 * 100vw);
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    transition: all 0.5s;
    padding-bottom: 100px;
}

.fifthindex .fifthcard .fifth-items .fifth-item:hover .fifth-item-card .fifth-item-card-content {
    gap: calc(150 / 2560 * 100vw);
}

.fifthindex .fifthcard .fifth-items .fifth-item .fifth-item-card .fifth-item-card-content .fifth-item-card-title {
    color: #fff;
    font-size: calc(40 / 2560 * 100vw);
    transition: all 0.5s;
    font-weight: 300;
    z-index: 999;
}

.fifthindex .fifthcard .fifth-items .fifth-item:hover .fifth-item-card .fifth-item-card-content .fifth-item-card-title {
    font-size: calc(45 / 2560 * 100vw);
    font-weight: bold;
}

.fifthindex .fifthcard .fifth-items .fifth-item:hover .more-btn-shallow::after {
    top: -1px;
    right: -1px;
    width: calc(100% + 2px);
    height: calc(100% + 2px);
}

.fifthindex .fifthcard .fifth-items .fifth-item:hover .more-btn-shallow span {
    color: #fff;
}

/* 以下为product产品展示页 css*/
.product {
    background-color: #fff;
}

.product .product_first {
    margin-top: calc(130 / 2560 * 100vw);
    display: flex;
    align-items: center;
}

.product .product_first .product_first_card {
    padding: calc(150 / 2560 * 100vw) 0;
    display: flex;
}

.product .product_first .product_first_card .product_first_left {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: calc(100 / 2560 * 100vw);
}

.product .product_first .product_first_card .product_first_left .img_display {
    width: calc(680 / 2560 * 100vw);
    height: calc(680 / 2560 * 100vw);
    opacity: 1;
    transition: opacity 0.3s ease-in-out;
}

.product .product_first .product_first_card .product_first_left .img_list {
    display: flex;
    flex-direction: column;
    gap: calc(20 / 2560 * 100vw);
}

.product .product_first .product_first_card .product_first_left .img_list .item {
    width: calc(60 / 2560 * 100vw);
    height: calc(60 / 2560 * 100vw);
    padding: calc(10 / 2560 * 100vw);
    border: calc(4 / 2560 * 100vw) solid #ccc;
}

.product .product_first .product_first_card .product_first_left .img_list .item.active {
    border: calc(4 / 2560 * 100vw) solid var(--main-color);
}

.product .product_first .product_first_card .product_first_left .img_list .item img {
    width: 100%;
}

.product .product_first .product_first_card .product_first_right {
    flex: 1;
}

.product .product_first .product_first_card .product_first_right .product_first_right_t {}

.product .product_first .product_first_card .product_first_right .product_first_right_b {
    margin-top: calc(50 / 2560 * 100vw);
    display: flex;
    flex-direction: column;
    gap: calc(30 / 2560 * 100vw);
}

.product .product_first .product_first_card .product_first_right .product_first_right_b p {
    position: relative;
    padding-left: calc(20 / 2560 * 100vw);
}

.product .product_first .product_first_card .product_first_right .product_first_right_b p::before {
    content: "";
    position: absolute;
    width: 8px;
    top: calc(50% - 4px);
    left: -4px;
    height: 8px;
    border-radius: 50%;
    background-color: #000;
}

.product .product_second {
    padding: calc(130 / 2560 * 100vw) 0;
}

.product .product_second .product_second_card {}

.product .product_second .product_second_card .product_second_t {
    border-bottom: calc(4 / 2560 * 100vw) solid var(--main-color);
}

.product .product_second .product_second_card .product_second_t ul {
    display: flex;
}

.product .product_second .product_second_card .product_second_t ul li {
    padding: calc(15 / 2560 * 100vw) calc(50 / 2560 * 100vw);
    background-color: var(--bg-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: calc(20 / 2560 * 100vw);
    transition: all 0.5s;
}

.product .product_second .product_second_card .product_second_t ul li img {
    width: calc(30 / 2560 * 100vw);
    height: calc(30 / 2560 * 100vw);
    display: none;
}

.product .product_second .product_second_card .product_second_t ul li:hover {
    background-color: var(--main-color);
    color: #fff;
}

.product .product_second .product_second_card .product_second_t ul li.active {
    background-color: var(--main-color);
    color: #fff;
}

.product .product_second .product_second_card .product_second_t ul li.active img {
    display: flex;
}

.product .product_second .product_second_card .product_second_b {
    margin-top: calc(50 / 2560 * 100vw);
    display: flex;
    flex-direction: column;
    gap: calc(20 / 2560 * 100vw);
}

.product .product_second .product_second_card .product_second_b .spec-row {
    display: flex;
    border-bottom: calc(1 / 2560 * 100vw) solid rgba(0, 0, 0, 0.1);
    padding-bottom: calc(20 / 2560 * 100vw);
}

.product .product_second .product_second_card .product_second_b .spec-row .spec-title {
    flex: 3;
}

.product .product_second .product_second_card .product_second_b .spec-row .spec-value {
    flex: 5;
}


.product_content {
    background-color: #fff;
    padding: calc(140 / 2560 * 100vw) 0;
}

.product_content .product_content_card {}

.product_content .product_content_card p {}

.product_content .product_content_card p img {
    width: 100%;
}

/* solution解决方案  css */
.solutionindex {}

.solutionindex .solution_top {
    height: 2080px;
    background: #fff;
    position: relative;
}

.solutionindex .solution_top .solution_top_bg {
    height: 1440px;
    position: relative;
}

.solutionindex .solution_top .solution_top_bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.solutionindex .solution_top .solution_top_bg .solution_top_bg_card {
    width: 100%;
    height: 1440px;
    position: absolute;
    top: 0;
    left: 0;
    background: linear-gradient(to top, #fff, transparent);
}


/* aboutus 公共内容  */
.aboutus_top {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.aboutus_top .t_l {}

.aboutus_top .t_r {
    display: flex;
    align-items: center;
}

.aboutus_top .t_r .item {
    display: flex;
    align-items: center;
    padding: calc(23 / 2560 * 100vw) calc(40 / 2560 * 100vw);
    background-color: rgba(0, 0, 0, 0.2);
    gap: calc(20 / 2560 * 100vw);
    font-size: calc(22 / 2560 * 100vw);
    color: #fff;
    cursor: pointer;
    transition: all 0.5s;
    text-decoration: none;
}

.aboutus_top .t_r .item:hover {
    background-color: var(--main-color);
}

.aboutus_top .t_r .item img {
    display: none;
    width: calc(30 / 2560 * 100vw);
    height: calc(30 / 2560 * 100vw);
}

.aboutus_top .t_r .item.active {
    background-color: var(--main-color);
}

.aboutus_top .t_r .item.active img {
    display: block;
}

/* aboutus_nlsx  css */

.nlsxindex {
    padding: calc(350 / 2560 * 100vw) 0 calc(200 / 2560 * 100vw);
}

.nlsxindex .nlsxindex_content {}

.nlsxindex .nlsxindex_content .nlsx_bottom {
    margin-top: calc(240 / 2560 * 100vw);
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.nlsxindex .nlsxindex_content .nlsx_bottom .btm_item:nth-child(1) {
    width: calc(50% + (850 / 2560 * 100vw));
    z-index: 1;
}

.nlsxindex .nlsxindex_content .nlsx_bottom .btm_item:nth-child(2) {
    width: calc(50% + (620 / 2560 * 100vw));
    margin-top: calc(-25 / 2560 * 100vw);
    z-index: 2;
}

.nlsxindex .nlsxindex_content .nlsx_bottom .btm_item:nth-child(3) {
    width: calc(50% + (350 / 2560 * 100vw));
    margin-top: calc(-25 / 2560 * 100vw);
    z-index: 3;
}

.nlsxindex .nlsxindex_content .nlsx_bottom .btm_item:nth-child(4) {
    width: calc(50% + (230 / 2560 * 100vw));
    margin-top: calc(-25 / 2560 * 100vw);
    z-index: 4;
}

.nlsxindex .nlsxindex_content .nlsx_bottom .btm_item:nth-child(5) {
    width: calc(50% + (500 / 2560 * 100vw));
    margin-top: calc(-25 / 2560 * 100vw);
    z-index: 5;
}

.nlsxindex .nlsxindex_content .nlsx_bottom .btm_item:nth-child(6) {
    width: calc(50% + (320 / 2560 * 100vw));
    margin-top: calc(-25 / 2560 * 100vw);
    z-index: 6;
}

.nlsxindex .nlsxindex_content .nlsx_bottom .btm_item {
    position: relative;
    height: calc(220 / 1440 * 100vh);
    transition: all 0.5s ease;
}

.nlsxindex .nlsxindex_content .nlsx_bottom .btm_item::before {
    content: '';
    position: absolute;
    top: 0;
    left: calc(-30 / 2560 * 100vw);
    right: calc(-30 / 2560 * 100vw);
    height: 100%;
    background: linear-gradient(to right, #FFFFFF, #EB5C20);
    transform: skewX(-10deg);
    box-shadow: 0 calc(10 / 2560 * 100vw) calc(30 / 2560 * 100vw) rgba(0, 0, 0, 0.3);
    z-index: -1;
    transition: all 0.5s ease;
}

.nlsxindex .nlsxindex_content .nlsx_bottom .btm_item:nth-child(2)::before,
.nlsxindex .nlsxindex_content .nlsx_bottom .btm_item:nth-child(4)::before,
.nlsxindex .nlsxindex_content .nlsx_bottom .btm_item:nth-child(6)::before {
    background: linear-gradient(to right, #FFFFFF, #7D7D7D);
}

.nlsxindex .nlsxindex_content .nlsx_bottom .btm_item:hover {
    height: calc(290 / 1440 * 100vh);
}


.nlsxindex .nlsxindex_content .nlsx_bottom .btm_item .text {
    position: absolute;
    top: 0;
    right: 0;
    margin-top: calc(-70 / 2560 * 100vw);
    color: #fff;
    font-weight: 900;
    text-shadow: 0 calc(10 / 2560 * 100vw) calc(30 / 2560 * 100vw) rgba(0, 0, 0, 0.3);
}


.hzhbindex {
    padding: calc(350 / 2560 * 100vw) 0 calc(200 / 2560 * 100vw);
    background: linear-gradient(to top, #F9E9DF, #FFFFFF 50%);
}

.hzhbindex .hzhbindex_content {}

.hzhbindex .hzhbindex_content .hzhb_bottom {
    margin-top: calc(200 / 2560 * 100vw);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: calc(1800 / 2560 * 100vw);
}

.hzhbindex .hzhbindex_content .hzhb_bottom .hzhb_item {
    background-color: #fff;
    width: 100%;
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.hzhbindex .hzhbindex_content .hzhb_bottom .hzhb_item:nth-child(1)::before,
.hzhbindex .hzhbindex_content .hzhb_bottom .hzhb_item:nth-child(3)::before,
.hzhbindex .hzhbindex_content .hzhb_bottom .hzhb_item:nth-child(5)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.hzhbindex .hzhbindex_content .hzhb_bottom .hzhb_item:nth-child(2) .hzhb_item_card,
.hzhbindex .hzhbindex_content .hzhb_bottom .hzhb_item:nth-child(4) .hzhb_item_card,
.hzhbindex .hzhbindex_content .hzhb_bottom .hzhb_item:nth-child(6) .hzhb_item_card {
    color: var(--main-color);
}

.hzhbindex .hzhbindex_content .hzhb_bottom .hzhb_item .img {
    width: 100%;
    height: 100%;
}

.hzhbindex .hzhbindex_content .hzhb_bottom .hzhb_item .img img {
    width: 100%;
    height: 100%;
    transition: all 0.5s ease;
}

.hzhbindex .hzhbindex_content .hzhb_bottom .hzhb_item .hzhb_item_card {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    color: #fff;
    justify-content: center;
    transition: all 0.5s ease;
}

.hzhbindex .hzhbindex_content .hzhb_bottom .hzhb_item:hover img {
    transform: scale(1.05);
}

.hzhbindex .hzhbindex_content .hzhb_bottom .hzhb_item:hover .hzhb_item_card {
    transform: scale(1.05);
}

.findus {
    padding: calc(350 / 2560 * 100vw) 0 0;
}

.findus .findusindex_content {}


.findus .findusindex_content .findus_bottom {
    padding-top: calc(300 / 2560 * 100vw);
}

.findus .findusindex_content .findus_bottom .findus_content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.findus .findusindex_content .findus_bottom .findus_content .findus_card {
    padding: calc(50 / 2560 * 100vw) calc(90 / 2560 * 100vw);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: calc(10 / 2560 * 100vw);
    cursor: pointer;
}

.findus .findusindex_content .findus_bottom .findus_content .findus_card img {
    width: calc(100 / 2560 * 100vw);
    transition: all 0.5s ease;
}

.findus .findusindex_content .findus_bottom .findus_content .findus_card img:hover {
    transform: scale(1.05);
}

.findus .findusindex_content .findus_bottom .findus_content .earchbg {
    width: 100%;
}


/* solution css */

.solution {
    padding-bottom: calc(450 / 2560 * 100vw);
    background-color: #fff;
    position: relative;
}

.solution .solution-card {
    position: absolute;
    width: 100%;
    top: 0;
    right: 0;
}

.solution img {
    width: 100%;
}


.solution .solution-card .solution_content {
    padding-top: calc(300 / 2560 * 100vw);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.solution .solution-card .solution_content .solution-t {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: calc(40 / 2560 * 100vw);
}

.solution .solution-card .solution_content .solution-b {
    padding: calc(180 / 2560 * 100vw) calc(60 / 2560 * 100vw);
    width: 100%;
    display: flex;
    gap: calc(50 / 2560 * 100vw);
    justify-content: space-between;
}

.solution .solution-card .solution_content .solution-b .solution-b-l {
    flex: 1;
    display: flex;
    gap: calc(30 / 2560 * 100vw);
}

.solution .solution-card .solution_content .solution-b .solution-b-l .solution-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: calc(30 / 2560 * 100vw);
}

.solution .solution-card .solution_content .solution-b .solution-b-l .solution-item:nth-child(2) {
    margin-top: calc(50 / 2560 * 100vw);
}


.solution .solution-card .solution_content .solution-b .solution-b-l .solution-item .solution-item-t,
.solution .solution-card .solution_content .solution-b .solution-b-l .solution-item .solution-item-b {
    background-color: #fff;
    box-shadow: 0 calc(10 / 2560 * 100vw) calc(30 / 2560 * 100vw) rgba(0, 0, 0, 0.1);
    padding: calc(50 / 2560 * 100vw) calc(40 / 2560 * 100vw);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: calc(30 / 2560 * 100vw);
    position: relative;
    transition: all 0.3s ease;
}

.solution .solution-card .solution_content .solution-b .solution-b-l .solution-item .solution-item-t:hover,
.solution .solution-card .solution_content .solution-b .solution-b-l .solution-item .solution-item-b:hover {
    transform: scale(1.05);
}

.solution .solution-card .solution_content .solution-b .solution-b-l .solution-item .fontsizetitle {
    text-align: center;
}

.solution .solution-card .solution_content .solution-b .solution-b-l .solution-item .fontsizecontent {
    color: #666;
}

.solution .solution-card .solution_content .solution-b .solution-b-r {
    width: calc(640 / 2560 * 100vw);
    margin-top: calc(-50 / 2560 * 100vw);
    display: flex;
    flex-direction: column;
    gap: calc(45 / 2560 * 100vw);
    align-items: center;
}

.solution .solution-card .solution_content .solution-b .solution-b-l .solution-item img {
    position: absolute;
    right: 0;
    width: calc(350 / 2560 * 100vw);
    bottom: calc(70 / 2560 * 100vw);
}

.solutionbgimg {}

.solutionbgimg img {
    width: 100%;
}

.infodownload {
    padding: calc(350 / 2560 * 100vw) 0 calc(200 / 2560 * 100vw);
    background-color: #fff;
}

.infodownload .infodownload_content {}

.infodownload .infodownload_content .infodownload_bottom {
    margin-top: calc(200 / 2560 * 100vw);
}

.infodownload .infodownload_content .infodownload_bottom .infodownloaditems {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: calc(50 / 2560 * 100vw);
}

.infodownload .infodownload_content .infodownload_bottom .infodownloaditems .infodownloaditem {
    background-color: #F7F3ED;
    width: 100%;
    overflow: hidden;
}

.infodownload .infodownload_content .infodownload_bottom .infodownloaditems .infodownloaditem .coverimg {
    width: 100%;
}

.infodownload .infodownload_content .infodownload_bottom .infodownloaditems .infodownloaditem .infodownloaditem_b {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(50 / 2560 * 100vw) calc(50 / 2560 * 100vw);
}

.infodownload .infodownload_content .infodownload_bottom .infodownloaditems .infodownloaditem .infodownloaditem_b .infodownloaditem_b_r {
    width: calc(70 / 2560 * 100vw);
    height: calc(70 / 2560 * 100vw);
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.infodownload .infodownload_content .infodownload_bottom .infodownloaditems .infodownloaditem .infodownloaditem_b .infodownloaditem_b_r img {
    width: calc(26 / 2560 * 100vw);
    height: calc(26 / 2560 * 100vw);
}

.infodownload .infodownload_content .infodownload_bottom .infodownloaditems .infodownloaditem .infodownloaditem_b .infodownloaditem_b_r:hover {
    background-color: var(--main-color);
}

.article {
    padding: calc(280 / 2560 * 100vw) 0 calc(200 / 2560 * 100vw);
    background-color: #fff;
}

.article .article_container {}

.article .article_container .article_card {}

.article .article_container .article_card .article-main__title {
    color: #000;
    font-size: calc(50 / 2560 * 100vw);
    font-style: normal;
    font-weight: 500;
    line-height: normal;
    margin-bottom: calc(100 / 2560 * 100vw);
}

.article .article_container .article_card .article-main__box {
    margin-bottom: calc(100 / 2560 * 100vw);
}

.article .article_container .article_card .article-main__box h4 {
    color: #000;
    font-size: calc(28 / 2560 * 100vw);
    font-style: normal;
    font-weight: 500;
    line-height: normal;
    margin-bottom: calc(28 / 2560 * 100vw);
}

.article .article_container .article_card .article-main__box p {
    color: rgba(0, 0, 0, 0.5);
    font-size: calc(20 / 2560 * 100vw);
    font-style: normal;
    font-weight: 400;
    line-height: calc(35 / 2560 * 100vw);
}