/***
====================================================================
	Main Header
====================================================================
***/
.main-header {
    position: absolute;
    width: 100%;
    left: 0;
    top: 0;
    flex-shrink: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
    border-bottom: 1px solid #ffffff;
}
.logo img {
    max-height: 6rem;
    width: auto;
}

.navigation li a {
    color: #FFFFFF;
    text-decoration: none;
    font-size: 2rem;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 5px 0;
}

.dropdown ul li a
{
    font-size: 1.6rem !important;
}
.container1660 {
    max-width: 1660px;
}
@media (min-width: 1200px) {
    .container1660 {
        width: 1200px;
    }
}
@media (min-width: 1660px) {
    .container1660 {
        width: 1660px;
    }
}


.header-upper
{
    border: none;
}

.header-upper.sticky {
    background: #6584a8 !important;
}
/***
====================================================================
	Main banner
====================================================================
***/
/* 幻灯片容器样式 */
.banner_swiper-container {
    position: relative;
    height:100vh;
    overflow: hidden;
}
/* 幻灯片图片样式 */
.banner_swiper-container .swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;

    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.banner-slider .slide.active {
    opacity: 1;
}

/* 幻灯片导航按钮 */
.banner-slider .nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    font-size: 20px;
    transition: all 0.3s ease;
}
.swiper-button-prev, .swiper-container-rtl .swiper-button-next {
    background-image:none;
    left: 10px;
    right: auto;
}

.swiper-button-next, .swiper-container-rtl .swiper-button-prev {
    background-image:none;
    right: 10px;
    left: auto;
}
.banner-slider .prev-btn {
    left: 20px;
}

.banner-slider .next-btn {
    right: 20px;
}

.banner-slider .nav-btn:hover {
    background-color: rgba(0, 0, 0, 0.8);
    transform: translateY(-50%) scale(1.1);
}


@media (min-width: 1200px) {
    .navigation li {
        margin: 0 20px !important;
    }
}



.swiper-slide-content
{
    color:#FFFFFF;
    font-size: 26px;
    font-style: normal;
    font-weight: 400;
    line-height: 34px;
    letter-spacing: 4.16px;
    width: 100%;
    text-align: left;
}

.swiper-slide-content h1
{
    font-size: 5.8rem;
    color:#FFFFFF;
    font-weight: bold;
}
.swiper-slide-content p
{
    font-size: 2.6rem;
    color:#FFFFFF;
}

.section-subtitle
{
    color: #313131;
    font-size: 2.4rem;
    margin-bottom: 1rem;
    font-weight: bold;
}
.section-content
{
    font-size: 1.8rem;
    color: #496788;
    display: -webkit-box;
    -webkit-line-clamp: 7; /* 限制为 6 行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}


.prev-btn {
    left: 20px;
}

.next-btn {
    right: 20px;
}

.nav-btn:hover {
    background-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-50%) scale(1.1);
}
.container1440 {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
}

/***
====================================================================
	关于中唯的数据
====================================================================
***/
.about-haitian {
    position: relative;
    padding: 80px 0;
    color: #fff;
    text-align: left;
    min-height: 100%;
}

.about-haitian .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.about-haitian h2 {
    font-size: 3.2rem;
    margin-bottom: 20px;
    color:#14183E;
    font-weight: bold;
}



.about-haitian .btn {
    display: inline-flex;
    padding: 8px 30px;
    justify-content: center;
    align-items: center;
    gap: 10px;

    background: #004EA3;
}

.about-haitian .btn:hover {
    background-color: #0077cc;
    transform: translateY(-2px);
}
.dropdown ul {
    left: -15%;
}
.zhongwei-swiper-container
{
    position: relative;
    width:100vw;
    overflow: hidden;
    margin-top: 30px !important;
}
.zhongwei-swiper-container .swiper-slide
{
    width: 265px;
    height: 180px;
}

.zhongwei-swiper-container .swiper-slide img
{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.zhongwei-swiper-container .swiper-slide-content
{
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    background: #057dffcc;
    padding:  10px 10px;
    height: 80px;

}
.zhongwei-swiper-container .swiper-slide-content:hover
{
    height: 100%;
}
.zhongwei-swiper-container .swiper-slide-content .swiper-slide-section-subtitle
{
    font-size: 20px;
    font-style: normal;
    font-weight: 600;
    color: #FFFFFF;
}

.zhongwei-swiper-container .swiper-slide-content .swiper-slide-section-content
{
    color: #ffffff;
    font-size: 13px;
    font-style: normal;
    font-weight: 400;
    display: -webkit-box;
    -webkit-line-clamp: 1; /* 限制显示1行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.zhongwei-swiper-container .swiper-slide-content:hover .swiper-slide-section-content
{
    -webkit-line-clamp:10; /* 限制显示1行 */
    -webkit-box-orient: vertical;
}
/***
====================================================================
	产品网格布局
====================================================================
***/
/* 产品生态模块 */
.product-ecosystem {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.section-title {
    font-size: 3.6rem;
    margin-bottom: 20px;
    color: #14183E;
    font-weight: bold;
    text-align: center;
}

.product-grid {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 50px;
    margin: 0 auto;
    align-items: center;
}

.product-card {
    flex: 1;
    min-width: 300px;
    overflow: hidden;
    transition: transform 0.3s ease;
    position: relative;
    width: 580px;
    height: 340px;
}



.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.product-card h3 {
    padding: 20px 0;
    margin: 0;
    font-size: 3.4rem;
    font-weight: bold;
    color: #ffffff;
    text-align: center;
}

.img-logo {
    text-align: center;
}
.active-product-card .img-logo {
    text-align: left;
}
.active-product-card
{
    height: 450px;
}

/* 悬停提示层：优化版 */
.product-card-tip {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    bottom: 0;
    background: rgba(0, 78, 163, 0.61);
    color: white;
    display: flex;
    flex-direction: column;
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
    z-index: 10;
    padding: 50px;
}
/* 添加到样式表中 */
.service-cards {
    margin-top: 40px;
}

.service-card {
    padding: 15px;

}

.card-content {
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: row;
    width: 100%;
    height: 150px;
    padding: 50px 20px;
    background: #ffffff1a;
    justify-content: space-between;
}

.active-card-content {

    height: 170px;
    background: #057DFF;
}
.service-cards
{

}
.service-cards.row
{
    margin-right: 0px;
    margin-left: 0px;
    display: flex;
    align-items: end;
    height: 220px;
}
.product-card-tip-desc
{
    display: none;

}
.active-product-card h3
{
    text-align: left;
}
.active-product-card .product-card-tip
{
    background: rgba(0, 78, 163, 0.71);
}

.active-product-card .product-card-tip-desc
{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    font-size: 1.6rem;
    font-weight: bold;
}
.active-product-card .product-card-tip {
    opacity: 1;
}
.product-card-tip-desc div
{
    width: 50%;
    margin-top: 20px;
}
.product-card p {
    padding: 15px 20px;
    margin: 0;
    font-size:1rem;
    color: #ffffff;
    line-height: 1.5;
}

.product-card .btn {
    display: inline-flex;
    padding: 8px 20px;
    max-width: 120px;
    justify-content: center;
    align-items: center;
    gap: 10px;
    border-radius: 20px;
    background: #057DFF;
    margin-left: 15px;
    font-size: 1.2rem;

}

.product-card .btn:hover {
    background-color: #0077cc;
    transform: translateY(-2px);
}

/* 移动端适配 */
@media (max-width: 767px) {
    .product-grid {
        flex-direction: column;
        align-items: center;
    }

    .product-card {
        width: 100%;
        max-width: 320px;
    }

    .product-img {
        height: 160px;
    }

    .section-title {
        font-size: 1.6rem;
    }
}

.expand-btn
{
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    border-radius: 50px;
    background: #057DFF;
    display: flex;
    position: absolute;
    top: 75%;
    left: calc(50% - 25px);
    color: #ffffff;
    justify-content: center;
    align-items: center;
}
.expand-btn:hover
{
    background-color: #0077cc;
    transform: translateY(-2px);
    color: #ffffff;
    font-weight: bold;
}
/* 按钮样式 */


.btn:hover {
    background-color: #0077cc;
    transform: translateY(-2px);
}

/* 移动端适配 */
@media (max-width: 767px) {
    .about-haitian h2 {
        font-size: 1.8rem;
    }

    .about-haitian p {
        font-size: 0.95rem;
    }

    .stats-grid {
        flex-direction: column;
        align-items: center;
    }

    .stat-item {
        flex: none;
        width: 100%;
        margin-bottom: 15px;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }
}


/* 移动端适配 */
@media (max-width: 767px) {

    .logo img{
        max-height: 20px;
    }
    .banner-content
    {
        height: 40px;
    }
    .slide-content
    {
        text-align: center;
        font-size: 14px;
        h1{
            font-size: 24px;
        }
        padding: 12% 0;
    }

    .banner-slider {
        height: 200px;
    }

    .banner-slider .nav-btn {
        width: 30px;
        height: 30px;
        font-size: 16px;
    }

    .banner-slider .prev-btn {
        left: 15px;
    }

    .banner-slider .next-btn {
        right: 15px;
    }
    .swiper-slide-content p
    {
        font-size: 1.4rem;
    }
    .swiper-slide-content h1
    {
        font-size: 2.8rem;
        color:#FFFFFF;
        font-weight: bold;
    }

}

@media (min-width: 768px) and (max-width: 991px) {

    .banner-content
    {
        height: 60px;
    }
    .slide-content
    {
        font-size: 16px;
        h1{
            font-size: 28px;
        }
        padding: 12% 0;
    }

    .banner-slider {
        height: 300px;
    }

    .banner-slider .nav-btn {
        width: 35px;
        height: 35px;
        font-size: 18px;
    }

    .banner-slider .prev-btn {
        left: 18px;
    }

    .banner-slider .next-btn {
        right: 18px;
    }
    .swiper-slide-content
    {
        font-size: 1.6rem;
    }
    .swiper-slide-content h1
    {
        font-size: 3.8rem;
        color:#FFFFFF;
        font-weight: bold;
    }

}

@media (min-width: 992px) and (max-width: 1199px) {

    .banner-content
    {
        height: 80px;
    }
    .slide-content
    {
        font-size: 22px;
        h1{
            font-size: 38px;
        }
    }
    .banner-slider {
        height: 400px;
    }

    .banner-slider .nav-btn {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .banner-slider .prev-btn {
        left: 20px;
    }

    .banner-slider .next-btn {
        right: 20px;
    }

    .swiper-slide-content
    {
        font-size: 2rem;
    }
    .swiper-slide-content h1
    {
        font-size: 4.8rem;
        color:#FFFFFF;
        font-weight: bold;
    }
}

@media (min-width: 1200px) {

    .slide-content
    {
        font-size: 26px;
        h1{
            font-size: 58px;
        }
    }


    .banner-slider {
        height:calc(100vh - 80px);
    }

    .banner-slider .nav-btn {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .banner-slider .prev-btn {
        left: 20px;
    }

    .banner-slider .next-btn {
        right: 20px;
    }

    .swiper-slide-content
    {
        font-size: 2.2rem;
    }
    .swiper-slide-content h1
    {
        font-size: 5.8rem;
        color:#FFFFFF;
        font-weight: bold;
    }
}

/* 数据卡片容器 */
.data-stats {
    display: flex;
    justify-content: space-between;
    color: white;
    font-family: 'Arial', sans-serif;
    align-items: center;
    height: 100%;
}

/* 单个数据项 */
.data-item {
    flex: 1;
    text-align: center;
    padding: 0 20px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    box-sizing: border-box;
}

.data-item:last-child {
    border-right: none;
}

/* 数值显示（大号字体） */
.data-value {
    span{
        font-size: 2.5rem;
        margin-right: 5px;
    }
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
}

/* 描述文字 */
.data-label {
    font-size: 1.2rem;
    opacity: 0.9;
}


@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
/* 移动端适配：数据统计区域 */
@media (max-width: 767px) {
    .data-stats {
        flex-direction: row;
        padding: 10px 0;
        gap: 20px;
    }

    .data-item {
        flex: none; /* 不再平均分配空间 */
        text-align: center;
        padding: 0;
        border-right: none; /* 移除右侧边框 */
        margin-bottom: 15px;
    }

    .data-item:last-child {
        margin-bottom: 0;
    }

    .data-value {
        font-size: 1.8rem; /* 缩小数值字号 */
        margin-bottom: 5px;
    }

    .data-label {
        font-size: 0.9rem;
        opacity: 0.9;
    }
}
@media (max-width: 480px) {
    .data-value {
        font-size: 1.2rem;
    }

    .data-label {
        font-size: 0.8rem;
    }
}

/***
====================================================================
	Main Footer
====================================================================
***/
.footer-bottom {
    color: #6584a8;
    font-family: "PingFang SC";
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 22px;
    text-align: center;
}

.footer-link-box
{
   text-align: right;
    width: 140px;
    height: 140px;
}
.footer-ewm-box
{
    display: flex;
    flex-direction: row;
    justify-content: left;
    margin-top: 20px;
}
.widget-content .list
{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    flex-wrap: wrap;
    width: 120px
}

.contact-area .contact-title
{
    font-size: 15px;
    color: #8EAACB;
    margin: 0;
    padding: 0;
    margin-top: 5px;
}
.contact-area .contact-item
{
    font-size: 14px;
    color: #6584A8;
    margin: 0;
    padding: 0;
}

.footer-bottom p
{
    color: #6584A8;
    margin: 0;
    padding: 0;
    text-align: center;
}
.footer-bottom
{
    margin: 0;
    padding: 0;
}
/***
====================================================================
	业务领域模块
====================================================================
***/
.business-domain {
    padding: 60px 0;
    color: white;
    position: relative;
}


.domain-text {
    width:364px;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    margin-right: 40px;
}

.domain-text h3 {
    font-size: 2rem;
    margin-bottom: 16px;
    color: #14183E;
}
.domain-swiper-container
{
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
}
.domain-swiper-container .swiper-slide
{
    display: flex;
    flex-direction: row;

}
.domain-swiper-container .domain-text p {
    font-size: 1.4rem;
    line-height: 180%;
    color: #6584A8;
}
.domain-swiper-container  .domain-img {
    flex: 2;
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    min-width: 65%;
    height: 320px;
}

.domain-swiper-container  .domain-img img
{
    width: 100%;
    height: 100%;
}
.domain-swiper-container .slide-content
{
    position: absolute;
    bottom: 20px;
    left: 30px;
}
.domain-swiper-container .slide-content .slide-number
{
    font-size: 5rem;
}
.domain-swiper-container .slide-content h3
{
    font-size: 3.5rem;
    font-weight: bold;

}
.domain-swiper-container .btn
{
    display: inline-flex;
    padding: 8px 30px;
    justify-content: center;
    align-items: center;
    gap: 10px;
    border-radius: 18px;
    border: 1px solid #FFF;
}

/***
====================================================================
	新闻资讯模块
====================================================================
***/


.news-section {
    padding: 60px 0;
}
.header-section
{
    display: flex;
    width: 100%;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}
.news-grid {
    display: flex;
}

.news-left {
    flex: 1;
}

.news-right {
    flex: 1;

    margin-left: 10px;
}
.news-right-header
{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    margin-bottom: 20px;
}
.main-content{
    background: #F5F7FC;
}

.news-right-header h4
{
    font-size: 2.2rem;
    color: #14183E;
    font-weight: bold;
}
.news-item {
    background: white;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: row;
    padding: 10px;
}
.news-item:hover {
    transform: translateY(-5px);
}

.news-img {
   max-width: 100%;
    height: 18.5rem;
    object-fit: cover;
    margin-right: 10px;
    margin-bottom: 20px;
    overflow: hidden;
}

.news-item h4 {
    font-size: 1.6rem;
    margin: 0 0 10px;
    color: #313131;
    display: -webkit-box;
    -webkit-line-clamp: 1; /* 限制为2行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-weight: bold;
}

.news-item p {
    font-size: 1.4rem;
    color: #828B9C;
    line-height: 1.5;
    margin-bottom: 0px;
}

.news-date {
    font-size: 1.2rem;
    color: #999;
}

.news-container-banner
{
    width: 100%;
    height: 66px;
    flex-shrink: 0;
    background: #31313199;
    position: absolute;
    left: 0;
    bottom: 0;
    color: #ffffff;
    font-size: 18px;
    padding: 0 10px;
    margin-right: 10px;
    display: flex;
    align-items: center;
    line-height: 66px;
    -webkit-line-clamp: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.news-container img {
    transition: transform 0.3s ease;
    cursor: pointer;
}

.news-container:hover img {
    transform: scale(1.05);
}
/* 限制新闻内容为两行，超出省略 */
.news-item-content p {
    display: -webkit-box;
    -webkit-line-clamp: 2; /* 限制为2行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-container
{
    width: 100%;
    height: 96.5%;
    max-width: 100%;
    position: relative;
    overflow: hidden
}
.news-container img
{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.more-link {
    display: block;
    font-size: 1.6rem;
    color: #14183E;
    text-decoration: none;
}

.news-list {
    list-style: none;
    padding: 0;
}

.news-list li {
    margin-bottom: 10px;
    padding-bottom: 10px;
}

.news-list li:last-child {
    border-bottom: none;
}

.news-list strong {
    display: block;
    font-size: 1.4rem;
    color: #313131;
    margin-bottom: 5px;
    display: -webkit-box;
    -webkit-line-clamp: 2; /* 限制为2行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.5; /* 设置行高，确保两行高度一致 */
}

.news-list p {
    font-size: 1.2rem;
    color: #828B9C;
    margin-bottom: 15px;
}

.news-list small {
    font-size: 1.2rem;
    color: #828B9C;
}

/* 移动端适配 */
@media (max-width: 767px) {
    .domain-content {
        flex-direction: column;
    }

    .domain-text {
        margin-bottom: 20px;
    }

    .domain-slider {
        width: 100%;
    }

    .news-grid {
        flex-direction: column;
    }

    .news-left {
        width: 100%;
    }

    .news-right {
        width: 100%;
    }
}
/* 移动端适配：业务领域 */
@media (max-width: 767px) {
    .business-domain .domain-content {
        flex-direction: column;
        gap: 20px;
    }

    .domain-text {
        margin-bottom: 20px;
        padding: 15px;
        font-size: 0.9rem;
    }

    .domain-text::after {
        right: -5px;
        height: 80%;
    }

    .domain-slider {
        width: 100%;
        height: 200px;
        border-radius: 8px;
    }

    .slide-img {
        height: 100%;
    }

    .slide-content {
        top: 50%;
        transform: translateY(-50%);
    }

    .slide-number {
        font-size: 3rem;
    }

    .slide-content h3 {
        font-size: 1.5rem;
    }

    .nav-btn {
        width: 30px;
        height: 30px;
        font-size: 1rem;
        top: 50%;
        transform: translateY(-50%);
    }

    .prev-btn {
        left: 10px;
    }

    .next-btn {
        right: 10px;
    }
}

/* 移动端适配：新闻资讯 */
@media (max-width: 767px) {
    .news-grid {
        flex-direction: column;
    }

    .news-left {
        width: 100%;
    }

    .news-right {
        width: 100%;
        padding: 15px;
    }

    .news-item {
        padding: 10px;
        margin-bottom: 15px;
        flex-direction: column;
    }

    .news-img {
        width: 100%;
        height: 180px;
        object-fit: cover;
    }

    .news-item h4 {
        font-size: 0.9rem;
        margin-bottom: 5px;
    }



    .news-date {
        font-size: 0.7rem;
    }

    .news-list li {
        margin-bottom: 10px;
        padding-bottom: 10px;
        border-bottom: 1px solid #eee;
    }

    .news-list strong {
        font-size: 0.85rem;
    }

    .news-list p {
        font-size: 0.75rem;
    }

    .news-list small {
        font-size: 0.7rem;
    }

    /* 更多资讯标题 */
    .news-right h4 {
        font-size: 0.9rem;
    }

    .more-link {
        font-size: 0.8rem;
    }
}
/***
***
***  banner-header 的样式优化
*/
.banner-header {
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    min-height: 400px;
    display: flex;
    align-items: center;
    position: relative;
}

.banner-header .banner-content {
    text-align: center;
    width: 100%;
    padding: 20px;
}

.banner-header .title {
    color: #ffffff;
    font-size: 36px;
    font-weight: bold;
    margin: 0;
}
.banner-header .desc {
    color: #ffffff;
    font-size: 26px;
    font-weight: bold;
    margin: 10px 0;
}
/* PC端适配 */
@media (min-width: 768px) {
    .banner-header {
        min-height: 500px;
    }

    .banner-header .title {
        font-size: 62px;
    }
    .banner-header .desc {
        font-size: 25px;
    }
}

/* 移动端适配 */
@media (max-width: 767px) {
    .banner-header {
        min-height: 300px;
    }

    .banner-header .title {
        font-size: 24px;
    }

    .banner-header .desc {
        font-size: 16px;
    }
}

.top-menu
{
    width: 100%;
    height: 70px;
    text-align: center;
    background: #2c3f64b3;
    position: absolute;
    left: 0;
    bottom: 0;
    display: flex;
    align-items: center;
}
.top-nav-item
{
    color: #ffffff;
    font-size: 1.8rem;
    height: 100%;
    display: flex;
    position: relative;
    align-items: center;
    padding: 0;

}
/* 最后一个 li 去掉右边框 */
.top-nav-item:last-child a{
    border-right: none;
}
.top-navbar-nav
{
    height: 100%;
}
.top-nav-item ul li
{
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 !important;
}
.top-nav-item a
{
    color: #ffffff;
    display: flex;
    width: 100%;
    height:60%;
    border-right: 1px solid rgba(255, 255, 255, 0.44); /* 白色竖线 */
    align-items: center;
    justify-content: center;
}
.top-nav-item a:hover
{
    color: #ffffff;

}
li.top-nav-item.active
{
    background: rgba(43, 115, 255, 0.62);
}
/* 数据网格 */
.stats-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

.stat-item {
    flex: 1 1 calc(20% - 10px);
    text-align: left;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: bold;
    color: #004EA3;
    text-align: center;
    span{
        font-size: 3.6rem;
        margin-right: 5px;
    }
}

.stat-label {
    font-size: 1.4rem;
    color: #004EA3;
    text-align: center;
}
.dropdown ul {
    background-color: #ffffff !important;
}
.dropdown ul li
{
    margin: 0 !important;
}
.dropdown ul li a{
    color: #636363;
}
/* 子公司联系方式样式 */
.contact-container {
    padding: 40px 0;
}

.contact-title {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.contact-grid2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.contact-card {
    background-color: #F3F5F9;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    text-align: center;
}
.active-contact-card
{
    background-color: #5F99D8;
}

.contact-card p {
    margin: 5px 0;
    color: #313131;
    font-size: 1.6rem;
}

.active-contact-card p
{
    color: #ffffff;
    font-size: 16px;
}

.contact-card:hover {
    transform: translateY(-5px);
}

.contact-card h4 {
    color: #313131;
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 2.2rem;
    font-weight: bold;
}

.active-contact-card h4
{
    color: #FFFFFF;
}

.contact-card .contact-info {
    margin-top: 15px;
    padding-top: 15px;
}

.contact-card .contact-info p {
    margin: 8px 0;
}






.tab-content {
    padding: 20px;
    border-radius: 8px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-tabs {
        flex-direction: column;
        overflow-x: hidden;
    }

    .tab-item {
        flex: none;
        width: 100%;
        border-bottom: 1px solid #eee;
    }

    .tab-item:last-child {
        border-bottom: none;
    }
}


.back-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #0099ff;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    z-index: 100;
    transition: all 0.3s ease;
}

.back-to-top-btn:hover {
    background: #0077cc;
    transform: scale(1.1);
}

/***************中间tab 样式 start*********************/
.center-tab-nav {
    height: 80px;
}

.center-nav-tabs  {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    height: 100%;
    align-items: center;
}

.center-tab-nav .tab-item.active
{
    font-weight: bold;
}


.center-tab-nav a
{
    border: none;
}
.center-tab-nav .tab-item {
    flex: 1;
    text-align: center;
    background: #ffffff;
    padding: 10px 0;
    position: relative;
}

.center-tab-nav .tab-item.active {
    font-weight: bold;
}

.center-tab-nav .tab-item a {
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none !important;
    font-size: 18px;
}

.center-tab-nav .tab-item a:hover {
    color: #004EA3;
}

.center-tab-nav .tab-item.active a {
    color: #004EA3 !important;
    border: none !important;
    padding-bottom: 26px;
    background: transparent !important;
    border-bottom: 3px solid #004EA3 !important;
}
/***************中间tab 样式 end*********************/