/* 日常css样式 */
html, body {
    overflow-x: hidden;
}

html::-webkit-scrollbar, body::-webkit-scrollbar {
    width: 4px;
}

html::-webkit-scrollbar-thumb, body::-webkit-scrollbar-thumb {
    background: #ccc;
}

body, p, div, ul, li, ol, b, strong, i, h1, h2, h3, h4, h5, h6 {
    font-family: "Microsoft YaHei", "微软雅黑", "Arial", "Helvetica", "sans-serif";
}

/*body.body_Index::-webkit-scrollbar {*/
/*    width: 0px !important;*/
/*    !*overflow-x: hidden;*!*/
/*}*/

/*body.body_Index {*/
/*    overflow: -moz-scrollbars-none;*/
/*    -ms-overflow-style: none;*/
/*}*/

h1, h2, h3, h4, h5, h6, a.prod_title {
    font-family: "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
}

a {
    text-decoration: none;
    color: #000000;
}

select:focus, input:focus, button:focus {
    box-shadow: none !important;
}

.container.container-max {
    padding: 0 !important;
}


header {
    height: 123px;
    z-index: 999999;
    position: relative;
}

#top-language-bar {
    height: 55px;
    margin-right: 22px;
}

#top-language-bar .btn-group {
    width: 128px;
    height: 32px;
    margin-top: 12px;
    border: solid 1px #b7b7b7;
}

#top-language-bar .btn-group .btn-light {
    background-color: #ffffff;
}

#top-language-bar .btn-group .btn-secondary {
    background-color: #e6e6e6;
    color: #000000;
}

#top-language-bar .btn-group .btn {
    border-radius: 0;
}

#pc_head_log {
    display: inline-block;
    width: 328px;
    height: 180px;
    position: absolute;
    top: 0;
    left: 0;
    background: #e20000;
    margin: 0;
    padding: 0;
    z-index: 99999;
}

#pc_head_log img {
    width: 228px;
    margin: 50px;
}

#top_heads {
    /*margin-bottom: 37px;*/
    height: 66px;
    padding-top: 0;
}

#pc_heads .nav-link {
    font-size: 22px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 6px;
    color: #171717;
    margin: 5px 90px;
    position: relative;
}

#pc_heads .nav-link:last-child {
    margin-right: 0;
    text-align: right;
}

#pc_heads .nav-link.active:after {
    position: absolute;
    width: 100%;
    height: 3px;
    background-color: #e20000;
    content: "";
    bottom: -34px;
    left: 0;
}


.hero_img {
    position: relative;
    display: block;
    width: 100vw;
    height: auto;
}

.hero_img.hero_full {
    position: relative;
    height: 100vh;
    /*height: calc(100vh - 170px);*/
    overflow: hidden;
}

.hero_img .hero_index {
    position: absolute;
    top: 180px;
    right: 0;
    z-index: 9;
    text-align: right;
}

.hero_img .hero_index .hero_title {
    text-align: right;
    font-size: 49px;
    font-weight: bold;
    font-stretch: normal;
    line-height: 35px;
    letter-spacing: 0px;
    color: #ffffff;
    margin-bottom: 20px;
    position: relative;
}

.hero_img .hero_index .hero_title:after {
    position: absolute;
    width: 106%;
    height: 40px;
    content: " ";
    background: #e20000;
    left: -6%;
    bottom: 5px;
    z-index: -9;
}

.hero_img .hero_index .hero_desc {
    text-align: right;
    font-size: 36px;
    font-weight: normal;
    letter-spacing: 0px;
    color: #ffffff;
}

.hero_img .hero_index .hero_desc b {
    font-size: 49px;
}

.hero_img picture {
    display: block;
    width: 100vw;
    height: 100vh;
    /*height: calc(100vh - 64px);*/
    position: absolute;
    top: 0;
    left: 0;
}

.hero_img picture img {
    /*object-fit: contain;*/
    object-fit: cover;
    min-width: 100%;
    height: 100%;
}

.hero_img .hero_bottom {
    display: block;
    width: 100%;
    min-height: 100px;
    position: absolute;
    bottom: 30px;
    left: 0;
}


.hero_img .hero_bottom p {
    margin-bottom: 0;
    font-size: 12px;
}

.hero_img .hero_down {
    position: absolute;
    bottom: 180px;
    z-index: 99;
}

.hero_img.hero_auto {
    height: 395px;
}
.hero_img.hero_auto picture{
    height: 100%;
}
.hero_img.hero_auto .hero_downing{
    position: absolute;
    top: 270px;
    right: 0;
    z-index: 9999;
}
#index_main {
    margin-bottom: 180px;
}

.index_content {
    margin-top: 136px;
    margin-bottom: 130px;
    position: relative;
}

.index_title {
    font-size: 56px;
    height: 72px;
    line-height: 72px;
    font-weight: bold;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #333333;
    position: relative;
    display: inline-block;
    margin-bottom: 130px;
}

.index_title:before {
    display: block;
    width: 80px;
    height: 6px;
    background-color: #333333;
    position: absolute;
    left: 0;
    bottom: -38px;
    content: " ";
}

.index_title:after {
    display: block;
    width: 11px;
    height: 11px;
    background-color: #e20000;
    border-radius: 50%;
    position: absolute;
    right: -18px;
    bottom: 0;
    content: " ";
}


.index_jjfa_cell {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding-top: 10px;
    padding-bottom: 10px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.index_jjfa_cell picture {
    width: 100%;
    height: 615px;
    background-color: #999999;
}

.index_jjfa_cell picture {
    max-height: 100%;
    object-fit: cover;
    object-position: center;
    position: relative;
    overflow: hidden;
    display: block;
}
.index_jjfa_cell picture img{
    min-width:100%;
    min-height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.index_jjfa_cell .index_jjfa_desc {
    margin-top: 46px;
    margin-bottom: 10px;
}

.index_jjfa_cell .index_jjfa_desc h4 {
    width: 100%;
    height: 90px;
    font-size: 26px;
    font-weight: normal;
    font-stretch: normal;
    color: #333333;
}

.index_jjfa_cell .index_jjfa_desc .index_ftitle {
    font-size: 20px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 28px;
    color: #989898;
}
.text-truncate-2 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;
}


.index_jjfa_cell .index_jjfa_desc .index_btn {
    margin-top: 40px;
}

.index_jjfa_cell .index_jjfa_desc .index_btn .btn {
    width: 89px;
    height: 26px;
    background-color: #e20000;
    border-radius: 13px;
    color: #ffffff;
    margin: 0;
    padding: 0 5px;
}

.index_jjfa_cell .index_jjfa_desc .index_btn img {
    float: right;
}


.index_jjfa_cell:hover{
    transform: translateY(-8px);
    background: #f7f7f7;
    /*background: linear-gradient(45deg, #f398a8 0%,  #e20000 100%);*/
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}
/* 图片放大效果 */
.index_jjfa_cell:hover img {
    transform: scale(1.08);
}
.index_jjfa_cell:hover .index_jjfa_desc h4,
.index_jjfa_cell:hover .index_jjfa_desc .index_ftitle{
    /*color: #ffffff;*/
}
.index_jjfa_cell:hover .index_jjfa_desc .btn{
    /*background: #ffffff;*/
    /*color: #e20000;*/
}

#index_product_list {
    position: relative;
}

.index_prod_cell {
    background-color: #f2f2f2;
    border: solid 2px #e0e0e0;
    overflow: hidden;
    text-align: center;
    position: relative;
    margin-bottom: 10px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.index_prod_cell .index_prod_img {
    display: inline-block;
    width: calc(100% - 80px);
    margin: 20px 40px;
}

.index_prod_cell .index_prod_img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
    display: block;
    object-position: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.index_prod_cell .index_prod_desc {
    width: calc(100% - 80px);
    margin: 20px auto;
    position: relative;
    padding-bottom: 30px;
}

.index_prod_cell .index_prod_desc .index_prod_title {
    font-size: 26px;
    font-weight: bold;
    font-stretch: normal;
    line-height: 48px;
    letter-spacing: 0px;
    color: #383838;
}

.index_prod_cell .index_prod_desc .index_prod_ftitle {
    font-size: 24px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #383838;
}

.index_prod_cell .index_prod_desc:after {
    display: inline-block;
    width: 61px;
    height: 9px;
    background-color: #e20000;
    content: " ";
    position: absolute;
    left: calc(50% - 30px);
    bottom: 5px;

}

.index_prod_cell .index_prod_btn_group {
    width: 100%;
    display: none;
}

.index_prod_cell .index_prod_btn_group .btn {
    width: 89px;
    height: 26px;
    line-height: 100%;
    background-color: #ffffff;
    border-radius: 13px;
    font-size: 20px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #e20000;
    margin: 0;
    padding: 0 6px;
}

.index_prod_cell .index_prod_btn_group img {
    float: right;
    margin-right: 30px;
}
.index_prod_cell:hover{
    background: #f7f7f7;
    /*background: linear-gradient(45deg, #f398a8 0%,  #e20000 100%);*/
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}
.index_prod_cell:hover img{
    transform: scale(1.08);
}
.index_prod_cell:hover  .index_prod_title,
.index_prod_cell:hover  .index_prod_ftitle,
.index_prod_cell:hover  .index_prod_btn_group{
    /*color: #ffffff;*/
}
.index_prod_cell:hover .index_prod_desc:after{
    /*background: #ffffff;*/
}

#index_aboutus_content {
    display: block;
    position: relative;
    width: 100%;
    height: 536px;
    padding-left: 65px;
    padding-top: 70px;
    background-color: #e20000;
}

#index_aboutus_content .index_title {
    color: #ffffff;
}

#index_aboutus_content .index_title:before {
    background: #ffffff;
}

#index_aboutus_content .index_title:after {
    background: #ffffff;
}

#index_aboutus_content .index_aboutus_item {
    color: #ffffff;
    font-size: 18px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 35px;
    letter-spacing: 0px;
    margin-bottom: 30px;
}


#footer {
    background-color: #686464;
    padding-top: 0.5rem;
}


#footer #footer_nav .nav-item {
    position: relative;
    padding: 0 58px;
}

#footer #footer_nav .nav-item:nth-child(0) {
    padding-left: 0;
}

#footer #footer_nav .nav-item:last-child {
    padding-right: 0;
}

#footer #footer_nav .nav-item a {
    height: 22px;
    font-size: 22px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 22px;
    letter-spacing: 0px;
    color: #ffffff;
}

#footer #footer_nav .nav-item::after {
    display: inline-block;
    width: 2px;
    height: 22px;
    color: #ffffff;
    content: "|";
    position: absolute;
    right: -2px;
    top: 8px;
}

#footer #footer_nav .nav-item:last-child:after {
    display: none;
}

#footer #footer_links {
    margin-top: 36px;
}

#footer #footer_copyright {
    margin: 20px auto;
    text-align: center;
    font-size: 20px;
    font-weight: normal;
    font-stretch: normal;
    color: #ffffff;
}

#footer #footer_copyright a {
    color: #ffffff;
}

.hero_text {
    display: block;
    width: 100%;
    position: absolute;
    top: 140px;
    text-align: center;
    z-index: 9999;
}

.hero_text h2 {
    font-size: 50px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 6px;
    letter-spacing: 0px;
    color: #000000;
}

.hero_text img {
    margin-top: 38px;
}

#aboutus {
    margin: 90px auto;
}

#aboutus .aboutus_title {
    display: inline-block;
    position: relative;
    font-size: 38px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #333333;
    height: 72px;
    line-height: 72px;
    margin-bottom: 80px;
}

#aboutus .aboutus_title:before {
    display: inline-block;
    width: 80px;
    height: 6px;
    background-color: #333333;
    content: " ";
    position: absolute;
    bottom: -18px;
    left: 0;
}

#aboutus .aboutus_title:after {
    display: inline-block;
    width: 11px;
    height: 11px;
    background-color: #e20000;
    border-radius: 50%;
    content: " ";
    position: absolute;
    top: 40px;
    right: -28px;
}

#aboutus .aboutus_content p {
    font-size: 18px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #666666;
}

#aboutus .aboutus_content img {
    max-width: 100%;
}

#connectus {
    display: block;
    width: 100vw;
    height: 962px;
    background-image: url("../images/aboutus_content.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
}

#connectus .connectus_content {
    display: inline-block;
    width: 80%;
    height: auto;
    margin: 108px auto;
    margin-left: 10%;
    text-align: center;
    color: #FFFFFF;
}

#connectus .connectus_content .connectus_item {
    margin-bottom: 90px;
}

#connectus .connectus_content .connectus_item .connectus_desc {
    margin-top: 33px;
}

#connectus .connectus_content h3 {
    font-size: 52px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 35px;
    letter-spacing: 0px;
}

#connectus .connectus_content p {
    font-size: 22px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #ffffff;
}

#solution {
    margin: 100px auto;
}

#solution .solution_cell {
    height: 468px;
    border: solid 1px #afafaf;
    margin-bottom: 170px;
    overflow: hidden;
}

#solution .solution_cell .solution_desc {
    margin: 40px;
}

#solution .solution_cell .solution_desc h3 {
    font-size: 32px;
    font-weight: 700;
    font-stretch: normal;
    line-height: 40px;
    letter-spacing: 0px;
    color: #000000;
    margin-bottom: 40px;
}

#solution .solution_cell .solution_desc p {
    font-size: 20px;
    font-weight: 300;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #666666;
    margin-bottom: 40px;
}

#solution .solution_cell .solution_img {
    height: 100%;
    overflow: hidden;
}

#solution .solution_cell .solution_img img {
    min-width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

#solution .solution_cell:nth-child(2n) {
    background-color: #e20000;
}

#solution .solution_cell:nth-child(2n) .solution_desc h3,
#solution .solution_cell:nth-child(2n) .solution_desc p {
    color: #ffffff;
    text-align: right;
}

#solution .solution_cell:nth-child(2n) a {
    float: right;
}

#product_nav {
    width: 100%;
    height: 260px;
    position: relative;
    margin-top: 50px;
}

#product_nav .nav-item {
    width: 25%;
    height: 100%;
    position: relative;
    text-align: center;
}

#product_nav .nav-item a {
    color: #5f5f5f;
    font-size: 20px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 48px;
    vertical-align: middle;
}
#product_nav .nav-item a h3{
    font-size: 22px;
}
#product_nav .nav-item a img {
    width: 100px;
    margin: 20px auto;
}

#product_nav .nav-item:hover a {
    color: #e20000;
}

#product_index {
    margin-top: 80px;
    margin-bottom: 100px;
}

#product .prod_item {
    display: block;
    width: 96%;
    margin: 18px auto;
    height: 650px;
    position: relative;
    text-align: center;
    background-color: #ffffff;
    background-image: none;
    background-size: 100% 100%;
    background-position: bottom left;
    background-repeat: no-repeat;
}

#product .prod_item .prod_img {
    display: block;
    border-bottom: 1px solid #e6e6e6;
    max-width: 100%;
    height: 440px;
}
#product .prod_item .prod_img img{
    margin: 25px auto;
    max-width:90%;
    max-height:100%;
}

#product .prod_item h3{
    margin-top: 20px;
    margin-bottom: 45px;
    padding: 0 5px;
    font-size: 26px;
}

#product .prod_item .prod_item_desc{
    display: none;
}
#product .prod_item  .prod_btn{
    display: inline-block;
    width: 50px;
    height: 50px;
    background-image: url("../images/icon_go.png");
}

#product .prod_item:hover{
    background-image: url("../images/prod_shadow.png");
    box-shadow: 6px 6px 6px rgba(0, 0, 0, 0.2),
                -6px -8px 6px rgba(0, 0, 0, 0.2);
}
#product .prod_item:hover h3,
#product .prod_item:hover .prod_item_desc{
    color: #FFFFFF;
}
#product .prod_item:hover  .prod_btn{
    background-image: url("../images/icon_going.png");
}

#product_show_nav{
    width: 100%;
    height: 128px;
    line-height: 128px;
    border-bottom: 2px solid #e5e5e5;
    position: relative;
}
#product_show_nav nav{
    margin-left: 38px;
    font-size: 24px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #666666;
}
#product_show_nav:after{
    display: inline-block;
    width: 3px;
    height: 18px;
    background-color: #e20000;
    content: " ";
    position: absolute;
    left: 0;
    top: 56px;
}
#show_info{
    position: relative;
}
#show_info h2{
    font-size: 32px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #666666;
    margin-bottom: 108px;
}

#show_info #show_desc{
    font-size: 22px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    color: #808080;
}
#show_info .product_zixun{
    background-color: #e20000;
    border-radius: 0;
    position: absolute;
    bottom: 10px;
    left: 0;
}


#product_content{
    margin-top: 80px;
}

/* 核心：将ul设置为flex容器，子项平均分配 */
#product_content .nav.nav-tabs {
    display: flex;           /* 启用flex布局 */
    width: 100%;             /* 确保宽度100% */
    padding: 0;              /* 清除内边距 */
    margin: 0;               /* 清除外边距 */
    list-style: none;        /* 清除列表样式 */
    border-bottom: none !important;
}

/* 每个导航项平均分配空间 */
#product_content .nav.nav-tabs .nav-item {
    flex: 1;                 /* 关键：所有子项等分 */
    text-align: center;      /* 文字居中 */
    min-width: 0;            /* 防止内容溢出 */
    border-radius: 0 !important;
    margin-right: 20px;
}

/* 导航链接样式 */
#product_content .nav.nav-tabs .nav-link {
    display: block;          /* 块级显示 */
    width: 100%;             /* 宽度100%填充容器 */
    text-align: center;      /* 文字居中 */
    border: 1px solid #ddd;  /* 边框，可调整 */
    background-color: #e5e5e5;
    text-decoration: none;    /* 去除下划线 */
    color: #495057;          /* 文字颜色 */
    transition: all 0.3s;    /* 过渡效果 */
    white-space: nowrap;     /* 防止文字换行 */
    overflow: hidden;        /* 溢出隐藏 */
    text-overflow: ellipsis; /* 文字超出显示省略号 */
    padding: 20px 16px;      /* 内边距，可调整 */
    border-radius: 0 !important;
    font-weight: 700;
    font-size: 26px;
}

/* 活动状态样式 */
#product_content .nav.nav-tabs .nav-link.active {
    background-color: #f7f7f7;
    color: #000000;
    border: none;
    border-top: 5px solid #e20000;

}

/* 悬停效果 */
#product_content .nav.nav-tabs .nav-link:hover:not(.active) {
    background-color: #e20000;
    color: #ffffff;
}
#productContent img{
    max-width: 100%;
}


.solution_item {
    background: #ffffff;
    padding-top: 30px;
    padding-bottom: 30px;
}

.solution_item:nth-child(2n+1) {
    background: #f7f7f7;
}
.solution_item  img{
 width: 100%;
}








































@media (max-width: 1659px) {
    .index_jjfa_cell picture {
        height: 380px;
    }

    .index_jjfa_cell picture img {
        height: 380px;
    }

    .index_prod_cell {
        display: inline-block;
        width: 49.5%;
        height: 490px;
        margin-right: 0.25%;
    }

    .index_prod_cell:nth-child(2n) {
        margin-right: 0;
    }

    .index_prod_cell .index_prod_img img {
        height: 290px;
        margin: 0 auto;
    }


    #footer #footer_nav .nav-item {
        position: relative;
        padding: 0 18px;
    }
}


@media (min-width: 1660px) {
    .container {
        /*max-width: 1520px !important;*/
    }

    .index_prod1 {
        display: inline-block;
        width: 49.5%;
        height: 850px;
        background-color: #f2f2f2;
        border: solid 2px #e0e0e0;
    }

    .index_prod1:after {
        display: inline-block;
        content: "Hot";
        position: absolute;
        top: 0;
        left: 0;
        width: 180px;
        height: 60px;
        background-color: #e20000;
        border-radius: 0px 0px 40px 0px;
        font-size: 34px;
        font-weight: normal;
        font-stretch: normal;
        line-height: 60px;
        letter-spacing: 0px;
        color: #f2f2f2;
    }

    .index_prod1.index_prod_cell .index_prod_img {
        width: 100%;
        overflow: hidden;
        margin: 60px auto 0;
    }

    .index_prod2 {
        display: inline-block;
        width: 49.5%;
        height: 350px;
        float: right;
        background-color: #e20000;
    }

    .index_prod2.index_prod_cell .index_prod_img {
        width: 44%;
        float: left;
        margin: 50px 0;
    }

    .index_prod2.index_prod_cell .index_prod_desc {
        width: 55%;
        float: right;
        margin-top: 110px;
        padding-left: 12px;
        text-align: left;
    }

    .index_prod2.index_prod_cell .index_prod_desc .index_prod_title {
        color: #FFFFFF;
    }

    .index_prod2.index_prod_cell .index_prod_desc .index_prod_ftitle {
        color: #FFFFFF;
    }

    .index_prod2.index_prod_cell .index_prod_desc:after {
        left: 12px;
        top: -30px;
        background: #ffffff;
    }

    .index_prod2.index_prod_cell .index_prod_btn_group {
        display: inline-block;
        margin-top: 70px;
    }

    .index_prod3 {
        display: inline-block;
        width: 24.5%;
        height: 481px;
        position: absolute;
        left: 50.5%;
        bottom: 6px;
    }

    .index_prod4 {
        display: inline-block;
        width: 24.5%;
        height: 481px;
        right: 0;
        position: absolute;
        bottom: 6px;
    }
    .index_prod3.index_prod_cell .index_prod_img,
    .index_prod4.index_prod_cell .index_prod_img{
        height: 300px;
        margin: 10px auto;
    }
}