/* 全局样式 */
body {
    font-family: Arial, sans-serif;
    width: 100%;
    height: auto;
    position: relative;
    overflow-x: hidden;
}

a,a:hover {
    display: inline-block;
    color: inherit;
    text-decoration: none;
}

/* 使用vw单位进行响应式设计 */
.container-fluid {
    padding-left: 5vw;
    padding-right: 5vw;
}

/* 导航栏样式 */
.navbar {
    background-color: #fff;
    box-shadow: 0 0.2vw 0.5vw rgba(0, 0, 0, 0.1);
    padding: 1vw 5vw;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar-brand img {
    height: 4vw;
}

.navbar-nav {
    margin: 0 auto;
}

.nav-item {
    margin: 0 1vw;
    position: relative;
}

.nav-link {
    color: #333;
    font-size: 1.2vw;
    transition: color 0.3s;
}

.nav-link:hover,
.nav-link.active {
    color: #4CAF50;
}

.nav-link.active::after {
    content: '';
    display: block;
    width: 100%;
    height: 0.2vw;
    background-color: #4CAF50;
    position: absolute;
    bottom: -0.5vw;
    left: 0;
}

.dropdown-menu {
    width: 100vw;
    position: fixed;
    left: 0;
    transform: translateX(calc(-50vw + 50%));
    z-index: 1001;
}

@media (max-width: 991px) {
    .dropdown-menu {
        width: 100%;
        left: 0;
        right: 0;
        padding-left: 5vw;
        padding-right: 5vw;
    }
}

.dropdown-item {
    padding: 0.5vw 1vw;
    font-size: 1vw;
}

.dropdown-item:before {
    content: '';
    display: inline-block;
    width: 1vw;
    height: 1vw;
    /* background-image: url('../imgs/top_linpic.jpg'); */
    background-size: contain;
    background-repeat: no-repeat;
    margin-right: 0.5vw;
    vertical-align: middle;
}

.navbar-right {
    display: flex;
    align-items: center;
}

.navbar-right .nav-item {
    margin-left: 1vw;
}

.navbar-right img {
    width: 1.5vw;
    height: 1.5vw;
}

.search-dropdown {
    min-width: 15vw;
    padding: 1vw;
}

.search-dropdown input {
    width: 100%;
    padding: 0.5vw;
    border: 1px solid #ddd;
    border-radius: 0.2vw;
}

.search-dropdown button {
    margin-top: 0.5vw;
    padding: 0.3vw 1vw;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 0.2vw;
}

.lang-dropdown {
    min-width: 8vw;
    text-align: center;
}

/* 轮播图样式 */
.banner-swiper {
    width: 100%;
    height: 40vw;
    margin-top: 6vw;
    /* 为固定导航栏留出空间 */
}

.banner-slide {
    position: relative;
}

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 10vw;
    transform: translateY(-50%);
    color: white;
    text-shadow: 0 0.1vw 0.3vw rgba(0, 0, 0, 0.5);
    max-width: 40vw;
}

.banner-content h2 {
    font-size: 3vw;
    margin-bottom: 1vw;
}

.banner-content p {
    font-size: 1.5vw;
    margin-bottom: 2vw;
}

.banner-content .btn-more {
    display: inline-block;
}

.banner-content .btn-more img {
    width: 10vw;
    height: auto;
}

.swiper-pagination-bullet {
    width: 1vw;
    height: 1vw;
    background: white;
    opacity: 0.5;
}

.swiper-pagination-bullet-active {
    opacity: 1;
    background: #4CAF50;
}

.swiper-button-next,
.swiper-button-prev {
    color: white;
}

/* 公司简介部分 */
.section-title {
    text-align: center;
    margin: 5vw 0 3vw;
}

.section-title h2 {
    font-size: 2.5vw;
    color: #333;
    margin-bottom: 1vw;
}

.section-title p {
    font-size: 1.2vw;
    color: #666;
    max-width: 60vw;
    margin: 0 auto;
    line-height: 1.8;
}

.company-profile {
    padding: 0 5vw 5vw;
}

.core-business {
    margin-top: 3vw;
}

.core-business h3 {
    font-size: 2vw;
    color: #333;
    margin-bottom: 2vw;
}

.business-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2vw;
}

.business-item img {
    width: 4vw;
    height: 4vw;
    margin-right: 1.5vw;
}

.business-item p {
    font-size: 1.2vw;
    color: #666;
    line-height: 1.6;
}

.btn-more-center {
    text-align: center;
    margin-top: 3vw;
}

.btn-more-center img {
    width: 10vw;
    height: auto;
}

/* 研发中心部分 */
.rd-center {
    padding: 5vw;
    background-color: #f9f9f9;
}

.rd-tabs {
    display: flex;
    justify-content: center;
    margin: 3vw 0;
    width: 50%;
    margin-left: auto;
    margin-right: auto;
    background-image: url('../imgs/rd_anniu_bg.png');
    background-size: cover;
    background-repeat: no-repeat;
    padding: 1vw;
    border-radius: 0.5vw;
}

.rd-tab {
    flex: 1;
    text-align: center;
    padding: 1vw;
    font-size: 1.2vw;
    color: #333;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    background: transparent;
}

.rd-tab.active {
    color: white;
    background-image: url('../imgs/rd_anniu.png');
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.rd-content {
    display: none;
}

.rd-content.active {
    display: flex;
}

.rd-text {
    flex: 1;
    padding-right: 3vw;
}

.rd-text p {
    font-size: 1.2vw;
    color: #666;
    line-height: 1.8;
    margin-bottom: 2vw;
}

.rd-images {
    flex: 1;
    position: relative;
}

.rd-img1 {
    width: 80%;
    height: auto;
    position: relative;
    z-index: 2;
}

.rd-img2 {
    width: 60%;
    height: auto;
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: 1;
}

/* 产品应用部分 */
.product-application {
    position: relative;
    margin: 5vw 0;
}

.pa-swiper {
    width: 100%;
    height: 40vw;
}

.pa-slide {
    position: relative;
}

.pa-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pa-overlay {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1;
}

.pa-content {
    position: absolute;
    top: 50%;
    right: 10vw;
    transform: translateY(-50%);
    color: white;
    z-index: 2;
    max-width: 30vw;
}

.pa-content h2 {
    font-size: 2.5vw;
    margin-bottom: 2vw;
}

.pa-content p {
    font-size: 1.2vw;
    margin-bottom: 2vw;
    line-height: 1.8;
}

.pa-pagination {
    position: absolute;
    right: 5vw;
    bottom: 5vw;
    z-index: 2;
    color: white;
    font-size: 1.5vw;
}

/* 新闻部分样式 */
.news {
    padding: 5vw 8.8vw;
    background-color: #fff;
}

.news .section-title {
    margin-bottom: 3vw;
}

/* 左侧主推新闻 */
.news-main {
    background-color: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
    height: 100%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.news-main .news-img {
    width: 100%;
    overflow: hidden;
}

.news-main .news-img img {
    width: 100%;
    transition: transform 0.3s ease;
}

.news-main:hover .news-img img {
    transform: scale(1.05);
}

.news-main .news-info {
    padding: 1.5vw;
}

.news-main .news-date {
    font-size: 0.9vw;
    color: #666;
    margin-bottom: 0.5vw;
}

.news-main .news-title {
    font-size: 1.35vw;
    font-weight: 600;
    color: #033062;
    transition: color 0.3s ease;
}

.news-main:hover .news-title {
    color: #4CAF50;
}

/* 右侧新闻列表 */
.news-list {
    height: 100%;
    /*
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    */
}

.news-item {
    padding: 1.2vw 0;
    cursor: pointer;
}

.news-item .news-date {
    font-size: 0.9vw;
    color: #666;
    margin-bottom: 0.5vw;
}

.news-item .news-title {
    font-size: 1.2vw;
    font-weight: 600;
    color: #033062;
    margin-bottom: 0.8vw;
    transition: color 0.3s ease;
}

.news-item:hover .news-title {
    color: #4CAF50;
}

.news-main {
    border-radius: unset;
}

.news-divider {
    height: 1px;
    background: linear-gradient(to right,
            #ddd 0%,
            #ddd 80%,
            transparent 100%);
    margin-top: 0.8vw;
}

.news .btn-more-center {
    margin-top: 3vw;
    text-align: center;
}

.news .btn-more-center img {
    width: 7vw;
}


/* 荣誉列表样式 */
.honorslist {
    position: relative;
    margin: 4vw 0;
}

.honors-bg {
    background-image: url(../imgs/sz_bg.jpg);
    background-size: cover;
    background-position: center;
    width: 100%;
    padding: 5vw 8.8vw;
}

.honor-col {
    padding: 1.5vw;
}

.honor-item {
    text-align: center;
    padding: 2vw 1vw;
    height: 100%;
    position: relative;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.honor-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0);
    transition: all 0.3s ease;
    z-index: 1;
    border-radius: 5px;
}

.honor-item:hover::before {
    background-color: rgba(0, 0, 0, 0.5);
}

.honor-icon {
    margin-bottom: 1.5vw;
    position: relative;
    z-index: 2;
}

.honor-icon img {
    width: 4vw;
    height: auto;
    transition: all 0.3s ease;
}

.icon-hover {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.honor-item:hover .icon-default {
    opacity: 0;
}

.honor-item:hover .icon-hover {
    opacity: 1;
}

.honor-title {
    font-size: 1.35vw;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1vw;
    position: relative;
    z-index: 2;
    transition: color 0.3s ease;
}

.honor-text {
    font-size: 1vw;
    color: #fff;
    position: relative;
    z-index: 2;
    transition: color 0.3s ease;
}

.honor-item:hover .honor-title,
.honor-item:hover .honor-text {
    color: #4CAF50;
}


.number-wrapper {
    margin: 1vw 0;
    position: relative;
    z-index: 2;
}

.number {
    font-size: 2.5vw;
    font-weight: 700;
    color: #fff;
    transition: color 0.3s ease;
}

.honor-item:hover .number {
    color: #4CAF50;
}

/* 页脚样式 */
footer {
    background-color: #033062;
    color: #fff;
    padding: 4vw 0 2vw;
}

.footer-col {
    margin-bottom: 2vw;
}

.footer-col h4 {
    font-size: 1.2vw;
    font-weight: 600;
    margin-bottom: 1.5vw;
    position: relative;
    padding-bottom: 0.8vw;
}

.footer-col h4:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 3vw;
    height: 2px;
    background-color: #4CAF50;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.8vw;
}

.footer-links a {
    color: #ccc;
    font-size: 0.9vw;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #4CAF50;
    padding-left: 0.5vw;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 5vw;
    right: 2vw;
    z-index: 99;
    cursor: pointer;
    display: none;
}

.back-to-top img {
    width: 3vw;
    height: 3vw;
}

/* Cookie提示条样式 */
.cookie-notice {
    background-color: #002147;
    color: #fff;
    padding: 15px 0;
    font-size: 14px;
}

.cookie-notice .container-fluid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.cookie-content {
    flex: 1;
    padding-right: 20px;
}

.cookie-content h5 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.cookie-content p {
    margin-bottom: 0;
    font-size: 13px;
    line-height: 1.5;
    color: #ccc;
}

.privacy-link {
    color: #fff;
    text-decoration: underline;
}

.privacy-link:hover {
    color: #4CAF50;
}

.copyright-info {
    text-align: right;
    white-space: nowrap;
}

.copyright-info p {
    margin-bottom: 0;
    font-size: 13px;
    color: #ccc;
}

.website-design {
    font-size: 12px;
}

.website-design a {
    color: #fff;
}

.website-design a:hover {
    color: #4CAF50;
    text-decoration: none;
}

/* 移动端适配 */
@media (max-width: 767px) {
    .cookie-notice .container-fluid {
        flex-direction: column;
    }

    .cookie-content {
        padding-right: 0;
        margin-bottom: 10px;
    }

    .copyright-info {
        text-align: left;
    }
}


/* 响应式样式 */
@media (max-width: 991px) {
    .navbar-brand img {
        height: 6vw;
    }

    .nav-link {
        font-size: 2vw;
    }

    .navbar-right img {
        width: 2.5vw;
        height: 2.5vw;
    }

    .banner-content h2 {
        font-size: 4vw;
    }

    .banner-content p {
        font-size: 2vw;
    }

    .section-title h2 {
        font-size: 3.5vw;
    }

    .section-title p {
        font-size: 1.8vw;
    }

    .business-item p {
        font-size: 1.8vw;
    }

    .rd-tab {
        font-size: 1.8vw;
    }

    .rd-text p {
        font-size: 1.8vw;
    }

    .pa-content h2 {
        font-size: 3.5vw;
    }

    .pa-content p {
        font-size: 1.8vw;
    }

    .footer-col h4 {
        font-size: 2vw;
    }

    .news {
        padding: 8vw 5vw;
    }

    .news-main .news-date,
    .news-item .news-date {
        font-size: 2vw;
    }

    .news-main .news-title {
        font-size: 3vw;
    }

    .news-item .news-title {
        font-size: 2.5vw;
    }

    .news-list {
        margin-top: 2vw;
    }

    .news-item {
        padding: 3vw 0;
    }

    .news .btn-more-center img {
        width: 15vw;
    }

    .honor-icon img {
        width: 8vw;
    }

    .honor-title {
        font-size: 2.5vw;
    }

    .honor-text {
        font-size: 2vw;
    }

    .number {
        font-size: 4vw;
    }

    .footer-col a {
        font-size: 1.6vw;
    }
}

@media (max-width: 767px) {
    .navbar-brand img {
        height: 8vw;
    }

    .nav-link {
        font-size: 3vw;
    }

    .navbar-right img {
        width: 4vw;
        height: 4vw;
    }

    .banner-content h2 {
        font-size: 5vw;
    }

    .banner-content p {
        font-size: 3vw;
    }

    .section-title h2 {
        font-size: 5vw;
    }

    .section-title p {
        font-size: 3vw;
        max-width: 90vw;
    }

    .business-item p {
        font-size: 3vw;
    }

    .rd-tabs {
        width: 90%;
    }

    .rd-tab {
        font-size: 3vw;
    }

    .rd-content.active {
        flex-direction: column;
    }

    .rd-text {
        padding-right: 0;
        margin-bottom: 3vw;
    }

    .rd-text p {
        font-size: 3vw;
    }

    .rd-images {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .rd-img1 {
        width: 90%;
        margin-bottom: 2vw;
    }

    .rd-img2 {
        position: relative;
        width: 70%;
        right: auto;
        bottom: auto;
    }

    .pa-swiper {
        height: 60vw;
    }

    .pa-overlay {
        width: 100%;
        background-color: rgba(0, 0, 0, 0.5);
    }

    .pa-content {
        right: 50%;
        transform: translate(50%, -50%);
        text-align: center;
        max-width: 80vw;
    }

    .pa-content h2 {
        font-size: 4vw;
    }

    .pa-content p {
        font-size: 3vw;
    }

    .pa-pagination {
        right: 50%;
        transform: translateX(50%);
        bottom: 3vw;
        font-size: 3vw;
    }

    .news-main .news-date,
    .news-item .news-date {
        font-size: 3vw;
    }

    .news-main .news-title {
        font-size: 4vw;
    }

    .news-item .news-title {
        font-size: 3.5vw;
    }

    .honor-col {
        padding: 3vw;
    }

    .honor-icon img {
        width: 12vw;
    }

    .honor-title {
        font-size: 4vw;
    }

    .honor-text {
        font-size: 3vw;
    }

    .number {
        font-size: 6vw;
    }

    .back-to-top img {
        width: 6vw;
        height: 6vw;
    }

    .footer-col h4 {
        font-size: 4vw;
    }

    .footer-col a {
        font-size: 3vw;
    }

}


/* 移动端适配 */
@media (max-width: 991px) {
    .footer-col h4 {
        font-size: 3vw;
    }

    .footer-links a {
        font-size: 2.5vw;
    }

    .footer-info p {
        font-size: 2.5vw;
    }
}

@media (max-width: 767px) {
    .footer-col {
        margin-bottom: 5vw;
    }

    .footer-col h4 {
        font-size: 4vw;
    }

    .footer-links a {
        font-size: 3.5vw;
    }

    .footer-logo img {
        max-width: 30vw;
    }

    .footer-info p {
        font-size: 3vw;
    }
}

/* about us开始 */
/* Banner样式 */
.banner-container {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.banner-img {
    width: 100%;
    height: auto;
    display: block;
}

.banner-text {
    position: absolute;
    left: 8vw;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    text-align: left;
}

.banner-title {
    font-size: 3.5vw;
    font-weight: 700;
    margin-bottom: 1vw;
}

.banner-subtitle {
    font-size: 1.2vw;
    font-weight: 400;
    margin: 0;
}

/* About Us 页面样式 */
.about-content-section {
    background: url('../imgs/aboutus_bg.jpg') no-repeat;
    background-size: cover;
    padding: 5vw 0;
}

/* 公司简介部分 */
.section-title {
    font-size: 2.5vw;
    font-weight: 700;
    color: #003366;
    margin-bottom: 3vw;
}

.company-profile {
    margin-bottom: 5vw;
}

.profile-text {
    font-size: 1vw;
    line-height: 1.8;
    color: #333;
    text-align: justify;
}

.profile-text p {
    margin-bottom: 1.5vw;
}

/* 位置信息部分 */
.location-row {
    margin-top: 3vw;
}

.location-card {
    background: #fff;
    border-radius: 0.5vw;
    overflow: hidden;
    box-shadow: 0 0.2vw 1vw rgba(0, 0, 0, 0.1);
    height: 100%;
    transition: transform 0.3s ease;
}

.location-card:hover {
    transform: translateY(-0.5vw);
}

.location-img {
    width: 100%;
    overflow: hidden;
}

.location-img img {
    width: 100%;
    height: auto;
    transition: transform 0.5s ease;
}

.location-img img:hover {
    transform: scale(1.05);
}

.location-info {
    padding: 1.5vw;
}

.location-info h3 {
    font-size: 1.5vw;
    font-weight: 600;
    color: #003366;
    margin-bottom: 1vw;
}

.location-info p {
    font-size: 1vw;
    color: #666;
    line-height: 1.6;
}

/* Innorative Management Section */
.innorative-management {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.innovation-row {
    margin-top: 50px;
}

.innovation-card {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    height: 100%;
    display: flex;
    flex-direction: column;
    margin-bottom: 30px;
}

.innovation-icon {
    text-align: center;
    margin-bottom: 20px;
}

.innovation-icon img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.innovation-title {
    font-size: 24px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 15px;
    color: #333;
}

.title-line {
    height: 3px;
    background-color: #0056b3;
    width: 50px;
    margin: 0 auto 20px;
}

.innovation-content {
    flex-grow: 1;
    overflow: hidden;
}

.scrollable-content {
    height: 300px;
    overflow-y: auto;
    padding-right: 10px;
}

.scrollable-content::-webkit-scrollbar {
    width: 5px;
}

.scrollable-content::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.scrollable-content::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 5px;
}

.scrollable-content::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.scrollable-content p {
    margin-bottom: 15px;
    line-height: 1.6;
    color: #666;
}

/*--partners--*/
.partners .swiper::after,
.partners .swiper::before {
    width: 2rem;
}

.partners {
    text-align: center;
    width: 100%;
    height: 49vw;
    vertical-align: middle;
    background: url(../imgs/aboutus_bg3.jpg) no-repeat center;
    background-size: 100% 100%;
}

.partners .swiper {
    margin-top: 0.8rem;
    position: relative;
}

.partners .swiper::after {
    content: '';
    width: 5rem;
    height: 100%;
    background-image: linear-gradient(to left, #ffffff, transparent);
    position: absolute;
    right: 0;
    top: 0;
    z-index: 10;
}

.partners .swiper::before {
    content: '';
    width: 5rem;
    height: 100%;
    background-image: linear-gradient(to right, #ffffff, transparent);
    position: absolute;
    left: 0;
    top: 0;
    z-index: 10;
}

.partners .swiper1,
.partners .swiper2,
.partners .swiper3 {
    margin-bottom: 25px;
}

.partners .swiper1 .swiper-slide,
.partners .swiper2 .swiper-slide,
.partners .swiper3 .swiper-slide {
    width: 2rem;
    height: 0.95rem;
    border: 1px solid #ececec;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partners .swiper2 {
    transform: translateX(-6.3vw);
}

.partners .swiper1 .swiper-slide img,
.partners .swiper2 .swiper-slide img,
.partners .swiper3 .swiper-slide img {
    width: 100%;
}

.partners .swiper::after {
    width: 25vw;
    background-image: linear-gradient(to left, rgb(222, 229, 239), transparent);
}

.partners .swiper::before {
    width: 25vw;
    background-image: linear-gradient(to right, rgb(222, 229, 239), transparent);
}


/* 产品分类部分 */
.product-category-section {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.product-category-slider {
    position: relative;
    margin-top: 40px;
    padding: 0 50px;
}

.category-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-item:hover {
    transform: translateY(-5px);
}

.category-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.category-icon img {
    max-width: 100%;
    max-height: 100%;
}

.category-name {
    font-size: 1vw;
    font-weight: 600;
    text-align: center;
    margin: 0;
    color: #002147;
    white-space: nowrap;
}

/* Swiper导航按钮样式 */
.product-swiper-next,
.product-swiper-prev {
    width: 40px;
    height: 40px;
    background-color: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    color: #333;
}

.product-swiper-next:after,
.product-swiper-prev:after {
    font-size: 18px;
    font-weight: bold;
}

.product-swiper-next:hover,
.product-swiper-prev:hover {
    background-color: #0056b3;
    color: #fff;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .category-icon {
        width: 70px;
        height: 70px;
    }

    .category-name {
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .product-category-slider {
        padding: 0 40px;
    }

    .category-icon {
        width: 60px;
        height: 60px;
    }
}

@media (max-width: 576px) {
    .product-category-slider {
        padding: 0 30px;
    }

    .category-icon {
        width: 50px;
        height: 50px;
    }

    .category-name {
        font-size: 12px;
    }
}



/* 产品列表样式 */
.product-list-section {
    padding: 60px 0;
}

.product-item {
    margin-bottom: 80px;
}

.product-info {
    padding: 0 30px;
}

.product-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #333;
}

.product-specs {
    margin-bottom: 30px;
}

.product-specs p {
    margin-bottom: 8px;
    color: #666;
}

.product-action {
    margin-top: 20px;
}

.product-image img {
    width: 100%;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 技术数据表搜索框样式 */
.tech-data-search-section {
    padding: 40px 0 60px;
    background-color: #f8f9fa;
}

.search-container {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    padding: 30px;
    margin-bottom: 30px;
}

.search-box {
    display: flex;
    margin-bottom: 20px;
}

.tech-search-input {
    height: 60px;
    font-size: 18px;
    border: 2px solid #e9ecef;
    border-right: none;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    padding-left: 20px;
}

.tech-search-btn {
    width: 60px;
    background-color: #0056b3;
    border: none;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-search-btn:hover {
    background-color: #004494;
}

@media (max-width: 768px) {
    .search-box {
        flex-direction: column;
    }

    .tech-search-input {
        border-right: 2px solid #e9ecef;
        border-bottom: none;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
    }

    .tech-search-btn {
        width: 100%;
        height: 50px;
        border-top-left-radius: 0;
        border-top-right-radius: 0;
    }

    .filter-group {
        flex: 100%;
    }
}


/* 证书展示区域样式 */
.certificates-swiper {
    padding: 40px 0;
    position: relative;
}

.certificate-item {
    text-align: center;
    padding: 15px;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    border-radius: 8px;
}

.certificate-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.certificate-img {
    margin-bottom: 15px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.certificate-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.certificate-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.certificate-desc {
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
    line-height: 1.4;
}

/* Swiper导航按钮样式 */
.certificates-swiper .swiper-button-next,
.certificates-swiper .swiper-button-prev {
    color: #333;
}

/* Swiper分页器样式 */
.certificates-swiper .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
}

.certificates-swiper .swiper-pagination-bullet-active {
    background: #007bff;
}

/* 荣誉证书区域样式 */
.honor-certificate-display {
    margin-bottom: 30px;
    text-align: center;
    position: relative;
}

.certificate-image {
    margin-bottom: 20px;
    border: none;
    padding: 0;
    background-color: transparent;
    box-shadow: none;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.certificate-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.certificate-counter {
    position: absolute;
    bottom: 60px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 16px;
    color: #666;
}

.certificate-display-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-top: 15px;
    text-align: center;
}

.certificate-titles-container {
    height: 400px;
    position: relative;
    border: none;
    background-color: transparent;
    padding: 0 20px;
    overflow: hidden;
}

.certificate-titles-swiper {
    height: 100%;
    padding: 20px 0;
}

.certificate-title-item {
    padding: 15px 20px;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
    cursor: pointer;
    background-color: #f9f9f9;
    margin-bottom: 15px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    border-radius: 0;
}

.certificate-title-item:hover {
    background-color: #f0f0f0;
}

.certificate-title-item.active {
    border-left-color: #4CAF50;
    background-color: #e8f5e9;
}

.certificate-title-item h5 {
    margin: 0;
    font-size: 16px;
    color: #333;
    line-height: 1.4;
}

.certificate-titles-next,
.certificate-titles-prev {
    color: #4CAF50;
    width: 30px;
    height: 30px;
    background-color: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.certificate-titles-next:after,
.certificate-titles-prev:after {
    font-size: 16px;
}

.certificate-titles-next:hover,
.certificate-titles-prev:hover {
    background-color: #4CAF50;
    color: #fff;
}

/* 上下箭头样式 */
.swiper-button-up,
.swiper-button-down {
    position: absolute;
    width: 30px;
    height: 30px;
    background-color: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    color: #4CAF50;
    z-index: 10;
    left: 50%;
    transform: translateX(-50%);
    cursor: pointer;
}

.swiper-button-up {
    top: 0;
}

.swiper-button-down {
    bottom: 0;
}

.swiper-button-up:after {
    content: 'prev';
    font-family: swiper-icons;
    font-size: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    transform: rotate(90deg);
}

.swiper-button-down:after {
    content: 'next';
    font-family: swiper-icons;
    font-size: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    transform: rotate(90deg);
}

.swiper-button-up:hover,
.swiper-button-down:hover {
    background-color: #4CAF50;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .certificate-titles-container {
        height: 300px;
        margin-top: 30px;
    }

    .certificate-image {
        height: 300px;
    }
}

/* 创新管理部分样式 */
.management-tabs {
    margin-top: 40px;
}

.management-tabs .nav-tabs {
    border-bottom: 2px solid #e9ecef;
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
}

.management-tabs .nav-item {
    margin: 0 15px;
}

.management-tabs .nav-link {
    font-size: 18px;
    font-weight: 600;
    color: #666;
    padding: 10px 20px;
    border: none;
    position: relative;
    transition: all 0.3s ease;
}

.management-tabs .nav-link:hover {
    color: #4CAF50;
}

.management-tabs .nav-link.active {
    color: #4CAF50;
    background-color: transparent;
}

.management-tabs .nav-link.active:after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: #4CAF50;
}

.management-item {
    text-align: center;
    padding: 20px;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    height: 100%;
}

.management-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.management-img {
    margin-bottom: 15px;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.management-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.management-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.management-desc {
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
    line-height: 1.4;
}

.management-swiper {
    padding: 20px 50px;
    position: relative;
}

.management-swiper-next,
.management-swiper-prev {
    width: 40px;
    height: 40px;
    background-color: #fff;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    color: #4CAF50;
}

.management-swiper-next:after,
.management-swiper-prev:after {
    font-size: 18px;
}

.management-swiper-next:hover,
.management-swiper-prev:hover {
    background-color: #4CAF50;
    color: #fff;
}

@media (max-width: 768px) {
    .management-tabs .nav-item {
        margin: 0 5px;
    }

    .management-tabs .nav-link {
        font-size: 16px;
        padding: 8px 12px;
    }

    .management-img {
        height: 150px;
    }

    .management-swiper {
        padding: 20px 40px;
    }
}

@media (max-width: 576px) {
    .management-tabs .nav-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
    }

    .management-tabs .nav-link {
        font-size: 14px;
        padding: 8px 10px;
        white-space: nowrap;
    }

    .management-img {
        height: 120px;
    }

    .management-swiper {
        padding: 20px 30px;
    }
}

/* 新闻分类按钮样式 */
.news-category-section {
    padding: 40px 0;
}

.news-category-container {
    display: flex;
    justify-content: center;
    background: url('../imgs/news_anbg.png') no-repeat center;
    background-size: cover;
    padding: 15px 0;
}

.news-category-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.news-category-btn {
    padding: 10px 30px;
    color: #333;
    font-size: 18px;
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.news-category-btn:hover {
    color: #fff;
    text-decoration: none;
}

.news-category-btn.active {
    background: url('../imgs/news_an.png') no-repeat center;
    background-size: cover;
    color: #fff;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .news-category-buttons {
        flex-direction: column;
        align-items: center;
    }

    .news-category-btn {
        margin-bottom: 10px;
    }
}

/* 头条新闻样式 */
.featured-news {
    padding: 50px 0;
}

.featured-news-img {
    overflow: hidden;
    border-radius: 8px;
}

.featured-news-img img {
    transition: transform 0.5s ease;
    width: 100%;
}

.featured-news-img:hover img {
    transform: scale(1.05);
}

.featured-news-content {
    padding: 20px 0 20px 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-news-content .news-date {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
}

.featured-news-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.4;
}

.featured-news-content .btn-more {
    margin-top: auto;
}

/* 新闻详情页样式 */
.news-detail-section {
    padding: 60px 0;
}

/* 文章样式 */
.news-article {
    margin-bottom: 40px;
}

.article-title {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.4;
    color: #333;
}

.article-meta {
    margin-bottom: 30px;
    color: #666;
    font-size: 14px;
}

.article-date {
    margin-right: 20px;
}

.article-content {
    line-height: 1.8;
    color: #444;
}

.article-content p {
    margin-bottom: 20px;
}

/* 上一篇/下一篇导航 */
.article-navigation {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.prev-next-nav {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.prev-article, .next-article {
    display: flex;
    flex-direction: column;
}

.nav-label {
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.nav-link {
    color: #666;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #007bff;
    text-decoration: none;
}

/* 推荐新闻样式 */
.recommended-news {
    background-color: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
}

.sidebar-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #007bff;
}

.recommended-item {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #eee;
}

.recommended-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.rec-date {
    color: #666;
    font-size: 14px;
    margin-bottom: 8px;
}

.rec-title {
    font-size: 16px;
    line-height: 1.5;
}

.rec-title a {
    color: #333;
    transition: color 0.3s;
}

.rec-title a:hover {
    color: #007bff;
    text-decoration: none;
}

/* Core Talents 部分样式 */
.core-talents-section {
    padding: 5vw 0;
    position: relative;
    overflow: hidden;
    background-image: url('../imgs/career_bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.core-talents-title {
    text-align: center;
    font-size: 2.5vw;
    font-weight: 600;
    color: #003366;
    margin-bottom: 4vw;
    position: relative;
    z-index: 1;
}

.talents-swiper {
    position: relative;
    z-index: 1;
    padding: 0 5vw;
    margin-top: 2vw;
}

.talent-content {
    display: flex;
    align-items: center;
    padding: 2vw;
}

.talent-photo {
    flex: 0 0 auto;
    width: 10vw;
    height: 10vw;
    border-radius: 50%;
    overflow: hidden;
    border: 0.3vw solid #4CAF50;
    margin-right: 3vw;
}

.talent-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.talent-info {
    flex: 1;
}

.talent-name {
    font-size: 1.8vw;
    font-weight: 600;
    color: #003366;
    margin-bottom: 0.5vw;
}

.talent-position {
    font-size: 1.2vw;
    color: #666;
    margin-bottom: 1vw;
}

.talent-underline {
    width: 4vw;
    height: 0.2vw;
    background-color: #4CAF50;
    margin-bottom: 1.5vw;
}

.talent-description {
    font-size: 1vw;
    line-height: 1.6;
    color: #555;
    max-width: 40vw;
}

/* Swiper导航按钮样式 */
.container-fluid .swiper-button-next,
.container-fluid .swiper-button-prev {
    width: 2.5vw;
    height: 2.5vw;
    color: #003366;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
}

.container-fluid .swiper-button-next:after,
.container-fluid .swiper-button-prev:after {
    font-size: 1.2vw;
    font-weight: bold;
}

.container-fluid .swiper-button-prev {
    left: 1vw;
}

.container-fluid .swiper-button-next {
    right: 1vw;
}

/* Online Recruitment 部分样式 */
.online-recruitment-section {
    padding: 5vw 0;
    background-color: #fff;
}

.recruitment-title {
    text-align: center;
    font-size: 2.1vw;
    color: #033062;
    margin-bottom: 4vw;
}

.recruitment-intro {
    padding-right: 3vw;
}

.recruitment-intro h3 {
    font-size: 1.8vw;
    color: #033062;
    margin-bottom: 1.5vw;
    font-weight: 600;
}

.recruitment-intro p {
    font-size: 1.2vw;
    color: #666;
    line-height: 1.8;
}

.job-list {
    margin-bottom: 2vw;
}

.job-item {
    margin-bottom: 1.5vw;
    border: 1px solid #eee;
    border-radius: 0.5vw;
    overflow: hidden;
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5vw 2vw;
    background-color: #f9f9f9;
    cursor: pointer;
    transition: all 0.3s ease;
}

.job-header:hover {
    background-color: #f0f0f0;
}

.job-title {
    font-size: 1.3vw;
    color: #033062;
    margin-bottom: 0.5vw;
    font-weight: 600;
}

.job-location {
    font-size: 1vw;
    color: #666;
    margin-bottom: 0;
}

.job-toggle-icon {
    font-size: 1.5vw;
    color: #033062;
    font-weight: bold;
}

.job-toggle-icon .minus {
    display: none;
}

.job-header[aria-expanded="true"] .plus {
    display: none;
}

.job-header[aria-expanded="true"] .minus {
    display: inline;
}

.job-details {
    border-top: 1px solid #eee;
}

.job-description {
    padding: 2vw;
}

.job-section {
    margin-bottom: 1.5vw;
}

.job-section h5 {
    font-size: 1.1vw;
    color: #4CAF50;
    margin-bottom: 1vw;
    font-weight: 600;
}

.job-section p {
    font-size: 1vw;
    color: #666;
    line-height: 1.6;
    margin-bottom: 1vw;
}

.job-section ul {
    padding-left: 1.5vw;
}

.job-section li {
    font-size: 1vw;
    color: #666;
    line-height: 1.6;
    margin-bottom: 0.5vw;
}

.job-apply {
    text-align: center;
    margin-top: 2vw;
}

.apply-btn {
    display: inline-block;
    transition: transform 0.3s ease;
}

.apply-btn img {
    height: 3vw;
}

.apply-btn:hover {
    transform: translateY(-0.3vw);
}

/* Contact Information 部分样式 */
.contact-info-section {
    padding: 5vw 0;
}

.section-title {
    font-size: 2.5vw;
    font-weight: 600;
    color: #333;
    margin-bottom: 3vw;
}

.contact-info-container {
    position: relative;
    width: 100%;
}

.contact-bg {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 3vw;
    border-radius: 0.5vw;
}

.contact-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.contact-logo img {
    max-width: 80%;
    height: auto;
}

.contact-details {
    background-color: rgba(255, 255, 255, 0.9);
    padding: 2vw;
    border-radius: 0.5vw;
}

.contact-details h3 {
    font-size: 1.8vw;
    font-weight: 600;
    color: #333;
    margin-bottom: 1.5vw;
}

.contact-info-item {
    margin-bottom: 1vw;
}

.contact-info-item p {
    font-size: 1.1vw;
    line-height: 1.6;
    color: #555;
}

/* Message Feedback 部分样式 */
.message-feedback-section {
    padding: 5vw 0;
    background-color: #f8f9fa;
}

.feedback-info {
    background-color: #2c5282;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 4vw 2vw;
    border-radius: 0.5vw;
    text-align: center;
}

.feedback-icon {
    margin-bottom: 1.5vw;
}

.feedback-text h4 {
    font-size: 1.8vw;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1vw;
}

.feedback-text p {
    font-size: 1.2vw;
    color: #fff;
}

.feedback-form {
    background-color: #fff;
    padding: 3vw;
    border-radius: 0.5vw;
    box-shadow: 0 0.2vw 0.5vw rgba(0, 0, 0, 0.1);
}

.feedback-form .form-control {
    height: 3vw;
    font-size: 1vw;
    border-radius: 0.3vw;
    border: 1px solid #ddd;
}

.feedback-form textarea.form-control {
    height: auto;
}

.btn-send {
    background-color: #4CAF50;
    color: white;
    padding: 0.8vw 2.5vw;
    font-size: 1.1vw;
    border: none;
    border-radius: 0.3vw;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-send:hover {
    background-color: #45a049;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .section-title {
        font-size: 5vw;
    }
    
    .contact-details h3 {
        font-size: 3.5vw;
    }
    
    .contact-info-item p {
        font-size: 2.5vw;
    }
    
    .feedback-text h4 {
        font-size: 3.5vw;
    }
    
    .feedback-text p {
        font-size: 2.5vw;
    }
    
    .feedback-form .form-control {
        height: 10vw;
        font-size: 3vw;
    }
    
    .btn-send {
        padding: 2vw 5vw;
        font-size: 3vw;
    }
}