/*@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap');*/
:root {
    --primary-blue: #2552aa;
    --light-blue: #2a5a8c;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --dark-bg: #002B5C;
    --text-gray: #666;
}

body {
    font-family: 'Montserrat', 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
}

/* Top info bar */
.top-info-bar {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 8px 0;
    font-size: 0.9rem;
}

.top-info-bar a {
    text-decoration: none;
    margin-right: 20px;
}

.social-links a {
    margin-left: 15px;
}

/* Main navigation */
.main-navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.navbar-nav .nav-link {
    color: #333;
    font-weight: 500;
    padding: 10px 15px;
    transition: color 0.3s;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-blue);
}
.navbar-nav .active>.nav-link {
    color: var(--primary-blue);
}
.dropdown-menu {
    border: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 0;
    padding: 10px 0;
}

.dropdown-item {
    padding: 8px 20px;
    font-size: 0.95rem;
}

.dropdown-item:hover {
    background-color: var(--light-gray);
    color: var(--primary-blue);
}

.navbar-nav .nav-item {
    margin-left: 15px;
    margin-right: 15px;
}


/* 鼠标悬停导航样式 */
.navbar-nav .dropdown:hover>.dropdown-menu {
    display: block;
}

.dropdown-submenu {
    position: relative;
}

.dropdown-submenu>.dropdown-menu {
    top: 0;
    left: 100%;
    margin-top: -10px;
    margin-left: 0;
    display: none;
}

.dropdown-submenu:hover>.dropdown-menu {
    display: block;
}

.dropdown-submenu>.dropdown-item:after {
    content: "\f054";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    float: right;
    margin-left: 10px;
}

/* 主下拉菜单箭头样式 */
.navbar .dropdown-toggle::after {
    font-size: 12px;
    display: inline-block;
    font-family: "Font Awesome 5 Free";
    font-weight: 700;
    content: "\f078";
    margin-left: 0.5em;
    vertical-align: 0.15em;
    border: none;
    transition: transform 0.3s;
}

/* 三级菜单箭头样式 */
.dropdown-submenu>.dropdown-item::after {
    font-size: 12px;
    content: "\f054";
    font-family: "Font Awesome 5 Free";
    font-weight: 700;
    float: right;
    margin-left: 10px;
    border: none;
}
.navbar-nav .nav-link {
    display: inline-block;
}
.separate-toggle {
    display: inline-block;
    cursor: pointer;
}
/* 移动端保持Bootstrap默认箭头 */
@media (max-width: 991.98px) {
    .navbar .dropdown-toggle::after {
        display: inline-block;
        content: "";
        width: 0;
        height: 0;
        margin-left: 0.255em;
        vertical-align: 0.255em;
        border-top: 0.3em solid;
        border-right: 0.3em solid transparent;
        border-bottom: 0;
        border-left: 0.3em solid transparent;
    }

    .dropdown-submenu>.dropdown-item::after {
        content: "";
        border-top: 0.3em solid;
        border-right: 0.3em solid transparent;
        border-left: 0.3em solid transparent;
        transform: rotate(-90deg);
    }
}

/* 悬停时旋转动画 */
.navbar .dropdown:hover>.dropdown-toggle::after {
    transform: rotate(180deg);
}

/* 响应式调整 */
@media (max-width: 991.98px) {
    .navbar-collapse {
        margin-top: 15px;
    }

    .top-info-bar .col-md-6 {
        text-align: center !important;
        margin-bottom: 5px;
    }

    /* 移动端保持点击展开 */
    .navbar-nav .dropdown>.dropdown-menu {
        display: none;
    }

    .navbar-nav .dropdown.show>.dropdown-menu {
        display: block;
    }

    .dropdown-submenu>.dropdown-menu {
        position: static;
        margin-top: 0;
        margin-left: 15px;
        border-left: 1px solid #eee;
    }
}

/* Swiper轮播样式 */
.swiper-container.index-banner {
    position: relative;
    width: 100%;
    height: 600px;
}

.index-banner .swiper-slide {
    display: flex;
    justify-content: center;
    align-items: center;
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 20px;
}

.index-banner .swiper-slide h1 {
    text-transform: uppercase;
}

.index-banner .swiper-slide h3 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.index-banner .swiper-slide p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

.index-banner .swiper-pagination-bullet {
    background: white;
    opacity: 0.5;
}

.index-banner .swiper-pagination-bullet-active {
    background: var(--primary-blue);
    opacity: 1;
}

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

.index-banner .swiper-button-next {
    right: 50px;
}

.index-banner .swiper-button-prev {
    left: 50px;
}



/* 产品分类展示区样式 */
.product-categories {
    padding: 80px 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    color: var(--primary-blue);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.section-title p {
    color: #666;
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

.category-card {
    text-align: center;
    padding: 30px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #eaeaea;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-blue);
}

.category-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(26, 58, 95, 0.05);
    border-radius: 50%;
}

.category-icon svg {
    width: 50px;
    height: 50px;
    fill: var(--primary-blue);
}

.category-card h3 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.category-card p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
}

.category-link {
    display: inline-block;
    margin-top: 20px;
    color: var(--primary-blue);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.category-link:hover {
    color: var(--light-blue);
    text-decoration: underline;
}



/* 特色产品展示区样式 */
.featured-products {
    padding: 80px 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}



.section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background-color: var(--primary-blue);
    margin: 15px auto 0;
}

.featured-products .product-card {
    border: 1px solid #eaeaea;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
    background-color: #fff;
}

.featured-products .product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.featured-products .product-image {
    /*height: 220px;*/
    background-color: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.featured-products .product-image img {
    max-width: 100%;
    max-height: 100%;
    transition: transform 0.5s ease;
}

.featured-products .product-card:hover .product-image img {
    transform: scale(1.05);
}

.featured-products .product-logo {
    position: absolute;
    top: 15px;
    left: 15px;
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 1.2rem;
}

.featured-products .product-content {
    text-align: center;
    padding: 25px;
}

.featured-products .product-content h3 {
    color: var(--primary-blue);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.featured-products .product-content p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.featured-products .product-btn {
    display: inline-block;
    background-color: var(--primary-blue);
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.featured-products .product-btn:hover {
    background-color: var(--light-blue);
    color: white;
    text-decoration: none;
}

/* 服务内容展示区样式 */
.services-section {
    padding: 80px 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}


.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--primary-blue);
    color: white;
    border-radius: 8px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card:nth-child(even) {
    background-color: white;
    color: #333;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

.service-card:nth-child(even) .service-icon {
    background-color: rgba(26, 58, 95, 0.1);
}

.service-icon i {
    font-size: 2.5rem;
}

.service-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.service-card p {
    font-size: 1rem;
    line-height: 1.6;
    opacity: 0.9;
}

.service-card:nth-child(even) p {
    opacity: 0.8;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

    .section-title h2 {
        font-size: 2rem;
    }
}


/* 联系表单样式 */
.contact-section {
    padding: 80px 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.section-intro {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto 50px;
    color: #666;
    font-size: 1.1rem;
    line-height: 1.6;
}

.contact-form {
    max-width: 1000px;
    margin: 0 auto;
    background-color: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    display: block;
}

.form-label:after {
    content: '*';
    color: #e74c3c;
    margin-left: 4px;
}

.form-control {
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 12px 15px;
    font-size: 1rem;
    transition: all 0.3s;
    width: 100%;
}

.form-control:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.2rem rgba(26, 58, 95, 0.25);
    outline: none;
}

textarea.form-control {
    min-height: 90px;
    resize: vertical;
}

.submit-btn {
    background-color: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 12px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: block;
    width: 100%;
    margin-top: 10px;
}

.submit-btn:hover {
    background-color: var(--light-blue);
    transform: translateY(-2px);
}

.contact-section .row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.contact-section .col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 15px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .contact-section .col-md-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .section-title h2 {
        font-size: 2rem;
    }
}

/* 底部区域样式 */
.footer-section {
    padding: 60px 0 30px;
    background-color: var(--dark-bg);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 0.5fr 0.7fr 0.9fr 1fr;
    /* 第一个列宽度调整为0.8fr */
    gap: 30px;
}

.footer-column h3 {
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column .form-control::placeholder {
    color: white;
    opacity: 1;
}

.footer-column h3:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: var(--light-blue);
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: white;
}

.contact-info {
    margin-top: 20px;
}

.contact-info .contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    color: #fff;
    font-size: 0.95rem;
}

.contact-info .contact-item i {
    margin-right: 10px;
    color: var(--light-blue);
    margin-top: 3px;
}

.quote-form {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 8px;
}

.footer-section .form-group {
    margin-bottom: 15px;
}

.footer-section .form-label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.9rem;
    color: #fff;
}

.footer-section .form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.05);
    color: white;
    font-size: 0.9rem;
}

.footer-section .form-control:focus {
    outline: none;
    border-color: var(--light-blue);
}

.footer-section .submit-btn {
    background-color: var(--light-blue);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 100%;
    margin-top: 10px;
}

.footer-section .submit-btn:hover {
    background-color: var(--primary-blue);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 576px) {
    .footer-container {
        grid-template-columns: 1fr;
    }

    .footer-section {
        padding: 40px 0 20px;
    }
}

body {
    font-family: 'Montserrat', 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #fff;
}

/* 视频展示区样式 */
.video-display-section {
    padding: 80px 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}


.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.video-card {
    background-color: white;
    border: 1px solid #eaeaea;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    text-align: center;
    padding: 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.video-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.video-placeholder {
    height: 200px;
    background-color: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.video-placeholder:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(26, 58, 95, 0.3), rgba(26, 58, 95, 0.5));
    opacity: 0;
    transition: opacity 0.3s;
}

.video-card:hover .video-placeholder:before {
    opacity: 1;
}

.play-button {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 1.5rem;
    position: relative;
    z-index: 2;
    transition: all 0.3s;
}

.video-card:hover .play-button {
    transform: scale(1.1);
    background-color: white;
}

.video-content {
    padding: 25px 20px;
}

.video-content h3 {
    color: var(--primary-blue);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.video-content p {
    color: #666;
    font-size: 1rem;
    line-height: 1.5;
    margin: 0;
}

.customization-tag {
    display: inline-block;
    background-color: var(--light-blue);
    color: white;
    font-size: 0.8rem;
    padding: 3px 10px;
    border-radius: 12px;
    margin-top: 10px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .video-grid {
        grid-template-columns: 1fr;
    }

}

/* 公司介绍区域样式 */
.about-section {
    padding: 80px 0;
    background-color: #fff;
    position: relative;
}

.about-container {
    display: flex;
    align-items: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.about-image {
    flex: 1;
    min-height: 500px;
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)),
        url('https://images.unsplash.com/photo-1560472354-b33ff0c44a43?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.company-sign {
    position: absolute;
    top: 30px;
    left: 30px;
    text-align: left;
}

.company-sign h2 {
    color: white;
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.company-sign h3 {
    color: white;
    font-size: 1.8rem;
    font-weight: 600;
    margin: 5px 0 0 0;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.about-content {
    flex: 1;
    background-color: var(--primary-blue);
    color: white;
    padding: 60px 40px;
    height: 500px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 25px;
    position: relative;
    display: inline-block;
}

.about-title:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 60px;
    height: 3px;
    background-color: var(--light-blue);
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 30px;
    opacity: 0.9;
}

.learn-more-btn {
    display: inline-block;
    background-color: transparent;
    color: white;
    border: 2px solid white;
    padding: 12px 30px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s;
    width: fit-content;
}

.learn-more-btn:hover {
    background-color: white;
    color: var(--primary-blue);
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .about-container {
        flex-direction: column;
    }

    .about-image,
    .about-content {
        width: 100%;
        flex: none;
    }

    .about-content {
        height: auto;
        padding: 40px 30px;
    }

    .about-image {
        min-height: 300px;
    }
}

@media (max-width: 576px) {
    .about-section {
        padding: 50px 0;
    }

    .about-title {
        font-size: 1.8rem;
    }

    .about-text {
        font-size: 1rem;
    }

    .company-sign h2 {
        font-size: 2rem;
    }

    .company-sign h3 {
        font-size: 1.5rem;
    }
}


/* 项目展示区容器 */
.project-showcase {
    background-color: #F3F9FF;
    padding: 20px;
}

/* 并排布局容器 */
.row-layout {
    display: flex;
    flex-wrap: nowrap;
    gap: 30px;
}

/* 轮播图区域 */
.carousel-container {
    flex: 1;
    min-width: 0;
    /* 防止flex item溢出 */
}

.project-showcase .swiper {
    width: 100%;
    height: 400px;
    overflow: hidden;
}

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

/* 项目信息区域 */
.info-container {
    flex: 1;
    min-width: 0;
    /* 防止flex item溢出 */
    color: #333;
    padding: 30px;
    border-radius: 8px;
}

.info-container h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    position: relative;
}

.info-container h2:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 60px;
    height: 3px;
    background-color: var(--light-blue);
}

.info-container p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 25px;
}

.feature-list li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.feature-list li:before {
    content: '\f00c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--light-blue);
}

.view-btn {
    display: inline-block;
    background-color: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    padding: 10px 25px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.view-btn:hover {
    background-color: var(--primary-blue);
    color: var(--white);
}

/* 导航按钮样式 */
.project-showcase .swiper-button-next,
.project-showcase .project-showcase .swiper-button-prev {
    color: var(--white);
    background-color: rgba(0, 0, 0, 0.3);
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.project-showcase .swiper-button-next:after,
.project-showcase .swiper-button-prev:after {
    font-size: 1.2rem;
}

/* 分页器样式 */
.project-showcase .swiper-pagination-bullet {
    background-color: var(--white);
    opacity: 0.6;
}

.project-showcase .swiper-pagination-bullet-active {
    background-color: var(--light-blue);
    opacity: 1;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .row-layout {
        flex-direction: column;
    }

    .project-showcase .swiper {
        height: 350px;
    }
}

@media (max-width: 576px) {
    .project-showcase .swiper {
        height: 300px;
    }

    .info-container {
        padding: 20px;
    }
}

/* 团队展示区样式 */
.team-section {
    padding: 80px 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

/* 九宫格布局 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 15px;
    height: 800px;
}

.team-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.team-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.team-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 中央团队介绍区域 */
.team-center {
    grid-column: 2;
    grid-row: 2;
    background-color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 30px;
    border: 2px solid var(--primary-blue);
}

.team-center h3 {
    color: var(--primary-blue);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.team-center p {
    color: #333;
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}



/* 响应式设计 */
@media (max-width: 992px) {
    .team-grid {
        height: 500px;
        max-width: 700px;
    }

    .team-center {
        padding: 20px;
    }

    .team-center h3 {
        font-size: 1.5rem;
    }

    .team-center p {
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(5, 1fr);
        height: 800px;
        max-width: 500px;
    }

    .team-center {
        grid-column: 1 / span 2;
        grid-row: 3;
    }

    .team-stats {
        flex-direction: column;
        gap: 20px;
    }
}

@media (max-width: 576px) {
    .team-section {
        padding: 50px 0;
    }


    .team-grid {
        height: 700px;
        gap: 10px;
    }

    .team-center {
        padding: 15px;
    }

    .team-center h3 {
        font-size: 1.3rem;
    }

    .team-center p {
        font-size: 0.85rem;
    }
}


/* 额外包装设备展示区样式 */
.equipment-section {
    padding: 80px 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.section-subtitle {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 30px;
}

.section-description {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px;
    color: #666;
    font-size: 1.1rem;
    line-height: 1.7;
}

/* 中央图片和两侧布局 */
.equipment-layout {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    gap: 30px;
    align-items: center;
}

/* 左侧设备列表 */
.equipment-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* 中央图片区域 */
.equipment-center {
    flex: 1;
    text-align: center;
}

.center-image {
    display: inline-block;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    max-width: 100%;
}

.center-image img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 右侧设备列表 */
.equipment-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* 设备卡片样式 */
.equipment-card {
    background-color: var(--white);
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #eaeaea;
    position: relative;
}

.equipment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.equipment-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background-color: var(--primary-blue);
    border-radius: 8px 8px 0 0;
}

.equipment-card h4 {
    color: var(--primary-blue);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.equipment-card h4:before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--primary-blue);
    border-radius: 50%;
    margin-right: 10px;
}

.equipment-card p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .equipment-layout {
        flex-direction: column;
    }

    .equipment-left,
    .equipment-right {
        width: 100%;
    }

    .equipment-center {
        order: -1;
        /* 图片放在最上面 */
        margin-bottom: 30px;
    }
}

@media (max-width: 576px) {
    .equipment-section {
        padding: 50px 0;
    }

    .section-subtitle {
        font-size: 1.5rem;
    }

    .equipment-card {
        padding: 20px;
    }
}


/* 灌装系统特点展示区样式 */
.features-section {
    padding: 80px 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

/* 特点卡片容器 */
.features-container {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    gap: 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 特点卡片通用样式 */
.feature-card {
    flex: 1;
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.feature-card p {
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}

/* 左侧特点卡片 - 深蓝色 */
.feature-left {
    background-color: var(--primary-blue);
    color: var(--white);
}

.feature-left .feature-icon {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

/* 中间特点卡片 - 浅灰色 */
.feature-center {
    background-color: var(--feature-gray);
    color: #333;
}

.feature-center .feature-icon {
    background-color: var(--primary-blue);
    color: var(--white);
}

/* 右侧特点卡片 - 深蓝色 */
.feature-right {
    background-color: var(--primary-blue);
    color: var(--white);
}

.feature-right .feature-icon {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .features-container {
        flex-direction: column;
        max-width: 600px;
    }

    .feature-card {
        padding: 30px 25px;
    }
}

@media (max-width: 576px) {
    .features-section {
        padding: 50px 0;
    }

    .feature-card h3 {
        font-size: 1.4rem;
    }

    .feature-card p {
        font-size: 0.95rem;
    }
}
/* 内页Banner样式 */
        .inner-banner {
            position: relative;
            height: 400px;
           background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: var(--white);
        }
        
        .banner-content {
            z-index: 2;
            position: relative;
        }
        
        .banner-title {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
        }
        
        .inner-banner .breadcrumb {
            background: transparent;
            justify-content: center;
            padding: 0;
            margin: 0;
        }
        
        .inner-banner .breadcrumb-item {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
        }
        
        .inner-banner .breadcrumb-item a {
            color: var(--white);
            text-decoration: none;
        }
        
        .inner-banner .breadcrumb-item.active {
            color: var(--white);
        }
        
        .inner-banner .breadcrumb-item + .breadcrumb-item::before {
            color: rgba(255, 255, 255, 0.6);
            content: ">";
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .inner-banner {
                height: 300px;
            }
            
            .banner-title {
                font-size: 2.5rem;
            }
            
            .inner-banner .breadcrumb-item {
                font-size: 1rem;
            }
        }
        
        @media (max-width: 576px) {
            .inner-banner {
                height: 250px;
            }
            
            .banner-title {
                font-size: 2rem;
            }
        }
        
        
        /* 联系方式展示区样式 */
        .contact-section {
            padding: 80px 0;
            background-color: #fff;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }
        
        
        
        /* 联系方式卡片容器 */
        .contact-cards {
            display: flex;
            max-width: 1000px;
            margin: 0 auto;
            gap: 30px;
        }
        
        /* 联系方式卡片通用样式 */
        .contact-card {
            flex: 1;
            background-color: var(--white);
            border-radius: 8px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            border: 1px solid #eaeaea;
        }
        
        .contact-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .contact-cards .contact-icon {
            width: 70px;
            height: 70px;
            background-color: rgba(26, 58, 95, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
        }
        
        .contact-cards .contact-icon i {
            font-size: 1.8rem;
            color: var(--primary-blue);
        }
        
        .contact-card h3 {
            color: var(--primary-blue);
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 15px;
        }
        
        .contact-card p {
            color: #666;
            font-size: 1rem;
            line-height: 1.6;
            margin: 0;
        }
        
        .contact-link {
            color: var(--primary-blue);
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .contact-link:hover {
            color: var(--light-blue);
            text-decoration: underline;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .contact-cards {
                flex-direction: column;
                max-width: 500px;
            }
            
            .contact-section {
                padding: 60px 0;
            }
            
        }
        
    /* 产品页面容器 */
        .products-page {
            margin-top: 50px;
            margin-bottom: 80px;
 
        }
        

        
        /* 页面标题 */
        .page-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary-blue);
            margin-bottom: 30px;
        }
        
        /* 主布局 */
        .products-layout {
            display: flex;
            gap: 30px;
            align-items: flex-start; /* 改为顶部对齐 */
        }
        
        /* 左侧边栏 - 新增二级菜单样式 */
        .products-layout .sidebar {
            flex: 0 0 280px;
            background-color: var(--light-gray);
            border-radius: 8px;
        }
        
        .products-layout .sidebar-title {
            padding-left: 20px;
            background-color: var(--primary-blue);
            font-size: 1.3rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            padding-bottom: 15px;
            padding-top: 15px;
        }
        
        /* 导航菜单样式 */
        .nav-menu {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .nav-menu .nav-item {
            position: relative;
            margin-bottom: 5px;
        }
        
        .nav-menu .nav-link {
            display: flex;
            align-items: center;
            padding: 10px 15px;
            color: #333;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            border-radius: 4px;
        }
        
        .nav-menu .nav-link:hover {
            background-color: rgba(26, 58, 95, 0.1);
            color: var(--primary-blue);
        }
        
        .nav-menu .nav-link.active {
            background-color: rgba(26, 58, 95, 0.2);
            color: var(--primary-blue);
        }
        
        /* 二级菜单箭头 */
        .nav-menu .nav-arrow {
            margin-left: auto;
            transition: transform 0.3s;
            font-size: 0.8rem;
        }
        
        .nav-menu .nav-item.open > .nav-link > .nav-arrow {
            transform: rotate(90deg);
        }
        
        /* 二级子菜单 */
        .submenu {
            list-style: none;
            padding: 0;
            margin: 0;
            background-color: rgba(255, 255, 255, 0.5);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            border-radius: 4px;
        }
        
        .nav-item.open > .submenu {
            max-height: 500px;
        }
        
        /* 二级菜单项 */
        .submenu-item .nav-link {
            padding-left: 30px;
            font-size: 0.9rem;
        }
        
        /* 联系信息 */
        .contact-info {
            margin-top: 30px;
        }
        
        .contact-info h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary-blue);
            margin-bottom: 15px;
        }
        
        .contact-details {
            font-size: 0.95rem;
            line-height: 1.6;
            color: #555;
        }
        
        .contact-details p {
            margin-bottom: 10px;
        }
        
        .contact-details a {
            color: var(--primary-blue);
            text-decoration: none;
        }
        
        .contact-details a:hover {
            text-decoration: underline;
        }
        
        .quote-btn {
            display: inline-block;
            background-color: var(--primary-blue);
            color: white;
            padding: 10px 20px;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 600;
            margin-top: 20px;
            margin-bottom: 20px;
            transition: all 0.3s;
        }
        
        .quote-btn:hover {
            background-color: var(--light-blue);
            color: white;
            text-decoration: none;
            transform: translateY(-2px);
        }
        
        /* 产品网格 */
        .products-grid {
            flex: 1;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        
        .products-grid .product-card {
            background-color: var(--white);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }
        
        .products-grid .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
        }
        
        .products-grid .product-image {
            /*height: 200px;*/
            background-color: #f5f5f5;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        
        .products-grid .product-image img {
            max-width: 100%;
            max-height: 100%;
            object-fit: cover;
        }
        
        .products-grid .product-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background-color: var(--primary-blue);
            color: white;
            padding: 5px 10px;
            border-radius: 3px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        
        .products-grid .product-content {
            padding: 20px;
        }
        
        .products-grid .product-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary-blue);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        
        .products-grid .product-code {
            font-size: 0.9rem;
            color: #666;
            margin-bottom: 15px;
        }
        
        .products-grid .product-actions {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .products-grid .view-details {
            color: var(--primary-blue);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s;
        }
        
        .products-grid .view-details:hover {
            text-decoration: underline;
        }
        
        .products-grid .product-number {
            font-size: 0.8rem;
            color: #999;
            background-color: #f0f0f0;
            padding: 3px 8px;
            border-radius: 3px;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .products-grid .products-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .products-grid .products-layout {
                flex-direction: column;
            }
            
            .sidebar {
                flex: none;
                width: 100%;
            }
            
            .products-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 576px) {
            .products-grid .products-page {
                padding: 20px 15px;
            }
            
            .page-title {
                font-size: 1.8rem;
            }
        }

        .contact-detail {
            display: flex;
            align-items: center;
            margin-bottom: 10px;
        }
        /* 联系方式容器 */
        .contact-container {
        }
        
        .contact-title {
            color: var(--primary-blue);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 30px;
            text-align: center;
        }
        
        /* 联系方式列表 */
        .contact-list {
            list-style: none;
            padding: 0;
            margin: 10px 16px;
        }
        
        .contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 20px;
        }
        
        .contact-item .contact-icon {
            width: 24px;
            height: 24px;
            margin-right: 6px;
            color: var(--primary-blue);
            flex-shrink: 0;
            margin-top: 3px;
        }
        
        .contact-content {
            flex: 1;
        }
        
        .contact-label {
            font-weight: 600;
            color: var(--primary-blue);
            margin-bottom: 5px;
        }
        
        .contact-text {
            color: #333;
            line-height: 1.6;
            margin: 0;
        }
        
        .contact-text a {
            color: var(--primary-blue);
            text-decoration: none;
        }
        
        .contact-text a:hover {
            text-decoration: underline;
        }

        /* 响应式设计 */
        @media (max-width: 576px) {
            .contact-container {
                padding: 25px;
            }
            
            .contact-title {
                font-size: 1.8rem;
            }
            
            .contact-item .contact-icon {
                width: 20px;
                height: 20px;
                margin-right: 12px;
            }
        }
        
        
        /* 二维码区域样式 */
        .qr-section {
            padding: 40px 0;
            background-color: var(--light-gray);
        }

        .qr-container {
            max-width: 1000px;
            margin: 0 auto;
            text-align: center;
        }

        .qr-title {
            color: var(--primary-blue);
            font-size: 1.8rem;
            font-weight: 600;
            margin-bottom: 30px;
        }

        .qr-cards {
            display: flex;
            justify-content: center;
            gap: 50px;
            flex-wrap: wrap;
        }

        .qr-card {
            background-color: var(--white);
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            width: 250px;
        }

        .qr-icon {
            font-size: 2.5rem;
            color: var(--primary-blue);
            margin-bottom: 15px;
        }

        .qr-card h4 {
            color: var(--primary-blue);
            font-size: 1.2rem;
            margin-bottom: 20px;
        }

        .qr-image {
            width: 150px;
            height: 150px;
            margin: 0 auto;
            background-color: #f5f5f5;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 5px;
            overflow: hidden;
        }

        .qr-image img {
            max-width: 100%;
            max-height: 100%;
        }

        .qr-note {
            margin-top: 15px;
            color: #666;
            font-size: 0.9rem;
        }
        
        /* 新闻列表区域样式 */
        .news-section {
            padding: 80px 0;
            background-color: #fff;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }
        
        .section-title h2 {
            color: var(--primary-blue);
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            display: inline-block;
        }
        
        .section-title:after {
            content: '';
            display: block;
            width: 80px;
            height: 3px;
            background-color: var(--primary-blue);
            margin: 15px auto 0;
        }
        
        /* 新闻列表容器 */
        .news-container {

        }
        
        /* 新闻项样式 */
        .news-item {
            display: flex;
            margin-bottom: 50px;
            background: var(--white);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        
        .news-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .news-image {
            flex: 0 0 300px;
            overflow: hidden;
        }
        
        .news-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .news-item:hover .news-image img {
            transform: scale(1.05);
        }
        
        .news-item .news-content {
            flex: 1;
            padding: 30px;
        }
        
        .news-title {
            color: var(--primary-blue);
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        
        .news-title a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .news-title a:hover {
            color: var(--light-blue);
        }
        
        .news-date {
            color: var(--text-gray);
            font-size: 0.9rem;
            margin-bottom: 15px;
            display: block;
        }
        
        .news-excerpt {
            color: #555;
            line-height: 1.6;
            margin-bottom: 15px;
        }
        
        .read-more {
            color: var(--primary-blue);
            font-weight: 500;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            transition: all 0.3s;
        }
        
        .read-more i {
            margin-left: 5px;
            transition: transform 0.3s;
        }
        
        .read-more:hover {
            color: var(--light-blue);
        }
        
        .read-more:hover i {
            transform: translateX(3px);
        }
        
        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            margin-top: 50px;
        }
        
        .page-numbers {
            display: flex;
            list-style: none;
            padding: 0;
        }
        
        .page-numbers li {
            margin: 0 5px;
        }
        
        .page-numbers a {
            display: block;
            padding: 8px 15px;
            color: var(--primary-blue);
            text-decoration: none;
            border: 1px solid #eaeaea;
            border-radius: 4px;
            transition: all 0.3s;
        }
        .page-numbers span {
            display: block;
            padding: 8px 15px;
            color: var(--primary-blue);
            text-decoration: none;
            border: 1px solid #eaeaea;
            border-radius: 4px;
            transition: all 0.3s;
        }
        
        .page-numbers a:hover,
        .page-numbers a.active {
            background-color: var(--primary-blue);
            color: white;
            border-color: var(--primary-blue);
        }
        
        .page-numbers .active span{
            background-color: var(--primary-blue);
            color: white;
            border-color: var(--primary-blue);
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
            }
            
            .news-image {
                flex: 0 0 200px;
            }
            
            .news-section {
                padding: 60px 0;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
        }
        
        td, th {
    position: relative;
    padding: 9px 15px;
    min-height: 20px;
    line-height: 20px;
    font-size: 14px;
    border-width: 1px;
    border-style: solid;
    border-color: #eee;
}