/* 引入自定义字体 */
@font-face {
    font-family: 'roboto';
    src: url('../fonts/Roboto_Condensed-Medium.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}
/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'roboto', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}
img{
    max-width: 100%;
}
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* 导航栏 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* 固定头部样式 */
.fixed-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* 向上按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #08294D;
    color: #fff;
    border: none;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    z-index: 9998;
}

.back-to-top:hover {
    background-color: #08294D;
    transform: translateY(-5px);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
}

.logo a {
    text-decoration: none;
    color: #000;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: bold;
    color: #000;
    margin: 0;
}

.logo img {
    height: 32px;
    width: auto;
}

.logo-link {
    display: flex;
    align-items: flex-end;
    text-decoration: none;
}

.logo-text {
    font-size: 16px;
    margin-left: 12px;
    color: #08294d;
    font-weight: normal;
    line-height: 1;
    padding-bottom: 0px;
    display: none;
}

.footer-logo img {
    height: 80px;
    width: auto;
}

/* 菜单按钮样式 */
.menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #08294d;
    cursor: pointer;
    z-index: 1001;
    transition: color 0.3s ease;
}

/* 导航打开时菜单按钮样式 */
.menu-btn.active {
    color: #fff;
}



.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #000;
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 1rem;
}

.nav-links a:hover {
    color: #08294D;
}

.nav-links li.active a {
    color: #08294D;
    font-weight: bold;
}

/* 二级导航样式 */
.nav-links li.dropdown {
    position: relative;
    white-space: nowrap;
}

.nav-links li.dropdown .dropdown-menu {
    position: absolute;
    top: 35px;
    left: 0;
    background-color: #fff;
    min-width: 250px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: block;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin-left: -2rem;
}

.nav-links li.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 当前子导航颜色 */
.nav-links li.dropdown .dropdown-menu li a.active {
    color: #08294D;
    /*font-weight: bold;*/
}

.nav-links li.dropdown .dropdown-menu li {
    display: block;
    margin-left: 0;
    height: 100%;
}

.nav-links li.dropdown .dropdown-menu li a {
    display: block;
    width: 100%;
    padding: 0.8rem 1rem;
    color: #333;
    border-bottom: 1px solid #f0f0f0;
    font-weight: normal;
    box-sizing: border-box;
}

.nav-links li.dropdown .dropdown-menu li a:hover {
    color: #08294D;
    background-color: #f9f9f9;
}

.nav-links li.dropdown .dropdown-menu li:last-child a {
    border-bottom: none;
}

/* 移动端导航样式 */
@media (max-width: 768px) {
    .menu-btn {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.9);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        gap: 0;
        padding: 5.625rem 2rem 2rem;
        transition: right 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
    }
    
    .nav-links.active {
        right: 0;
    }
    

    
    .nav-links li {
        margin-left: 0;
    }
    
    /* 移动端二级导航样式 */
    .nav-links li.dropdown {
        position: relative;
        width: 100%;
        text-align: left;
    }
    
    /* 为包含二级导航的一级导航添加展开图标 */
    .nav-links li.dropdown {
        position: relative;
    }
    
    .nav-links li.dropdown > a::after {
        content: '▼';
        position: absolute;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        font-size: 0.8rem;
        transition: transform 0.3s ease;
        z-index: 1;
    }
    
    .nav-links li.dropdown.active > a::after {
        transform: translateY(-50%) rotate(180deg);
    }
    
    .nav-links li.dropdown .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        margin-left: 0;
        min-width: 100%;
        display: none;
        background-color: unset;
        margin-top: 0.5rem;
        margin-left: 1rem;
    }
    
    .nav-links li.dropdown.active .dropdown-menu {
        display: block;
    }
    
    .nav-links li.dropdown .dropdown-menu li {
        margin-left: 0;
        margin-bottom: 0.3rem;
    }
    
    .nav-links li.dropdown .dropdown-menu li a {
        color: #fff;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        padding: 0.5rem 0;
        font-size: 1rem;
    }
    
    .nav-links li.dropdown .dropdown-menu li a:hover {
        color: #08294D;
        background-color: rgba(255, 255, 255, 0.1);
    }
    
    .nav-links li.dropdown .dropdown-menu li a.active {
        color: #08294D;
        font-weight: normal;
    }
    
    .nav-links a {
        color: #fff;
        font-size: 1.2rem;
        padding: 1rem 0;
        width: 100%;
        display: block;
        text-align: left;
    }
    
    .nav-links a:hover {
        color: #08294D;
    }
    
    .nav-links li.active a {
        color: #08294D;
        position: relative;
    }
}

/* 轮播图 */
.hero {
    position: relative;
    height: 60vh;
    overflow: hidden;
}

.hero .swiper {
    height: 100%;
    width: 100%;
}

.swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 100%;
    width: 100%;
}

.slide-content {
    text-align: center;
    color: #fff;
    z-index: 2;
    position: relative;
}

.slide-content h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.slide-content h3 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.slide-content p {
    font-size: 1.2rem;
    text-transform: uppercase;
}

/* 轮播图分页器样式 */
.swiper-pagination-bullet {
    width: 40px;
    height: 4px;
    border-radius: 0;
    background: rgba(255, 255, 255, 0.5);
}

.swiper-pagination-bullet-active {
    background: #fff;
}

/* 数据统计 */
.stats {
    padding: 4rem 0;
    background-color: #fff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat-item {
    display: flex;
    align-items: center;
    padding: 2.5rem 2rem;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.stat-content {
    margin-left: 2rem;
}

.stat-icon {
    /* 移除底部margin，因为现在是左右结构 */
}

.stat-icon img {
    width: 75px;
    height: 75px;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: #08294D;
}

.stat-label {
    font-size: 0.9rem;
    color: #333;
}

/* 产品展示 */
.products {
    padding: 4rem 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 3rem;
    color: #08294D;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.product-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: block;
    text-decoration: none;
}

.product-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(8, 41, 77,0.4);
    color: #fff;
    padding: 0.8rem;
    font-size: 0.9rem;
    text-align: center;
    z-index: 1;
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(8, 41, 77,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 2;
}

.product-item:hover .product-overlay {
    opacity: 1;
}

.overlay-content {
    text-align: center;
    color: #fff;
}

.overlay-content h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.overlay-btn {
    display: inline-block;
    border: 1px solid #fff;
    padding: 0.4rem 4rem;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.overlay-btn:hover {
    background-color: rgba(255,255,255,0.2);
}

.overlay-btn span {
    font-size: 1.2rem;
    font-weight: bold;
}

/* 质量标准和认证 */
.certifications {
    padding: 4rem 0;
    background-color: #f9f9f9;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 2rem;
    justify-items: center;
}

.cert-item {
    text-align: center;
}

.cert-item img {
    width: 80px;
    height: 80px;
    margin-bottom: 1rem;
}

.cert-label {
    font-size: 0.9rem;
    color: #666;
}

/* About页面样式 */
.about-banner {
    width: 100%;
    height: 380px;
    overflow: hidden;
}

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

.company-profile {
    padding: 4rem 0;
    background-color: #fff;
}

.section-header {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
}

.profile-btn {
    background-color: #f0f0f0;
    border: none;
    padding: 0.8rem 2rem;
    margin-right: 1rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.profile-btn.active {
    background-color: #08294D;
    color: #fff;
}

.profile-tab {
    display: flex;
    gap: 2%;
    align-items: center;
}

.profile-image {
    width: 49%;
}

.profile-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.profile-text {
    width: 49%;
    font-size: 1rem;
    line-height: 2.5;
    color: #333;
    align-self: flex-start;
}
.brand-concept-tab .profile-text .item{
    display: flex;
    align-items: center;
    padding: 25px 0px;
}
.brand-concept-tab .profile-text .item img{
    display: inline-block;
    width: 70px;
    margin:0 30px;
}
.manufacturing-process {
    padding: 4rem 0;
    background-color: #f9f9f9;
}

.process-flow {
    margin-top: 3rem;
}

.process-step {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.process-item {
    text-align: left;
    max-width: 180px;
}

.process-icon {
    margin-bottom: 1rem;
}

.process-icon img {
    width: 60px;
    height: 60px;
    border-radius: 8px;
}

.process-label {
    font-size: 1rem;
    font-weight: 500;
    color: #333;
}

.process-arrow {
    font-size: 1rem;
    color: #08294D;
    font-weight: bold;
}

.process-step-name {
    font-size: 1rem;
    font-weight: 500;
    color: #333;
}

.process-branch {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 120px;
    padding: 15px 0;
}

.about-products {
    padding: 4rem 0;
    background-color: #fff;
}

.about-products .products-grid {
    display: flex;
    width: 100%;
}

.about-product-item {
    text-align: center;
    width: 100%;
}

.product-link {
    display: block;
    text-decoration: none;
    color: inherit;
    width: 100%;
    height: 100%;
}

.about-product-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.about-product-item:hover img {
    transform: scale(1.05);
}

.product-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: #333;
    transition: color 0.3s ease;
}

.about-product-item:hover .product-name {
    color: #08294D;
}

/* Swiper导航按钮样式 */
.swiper-button-next,
.swiper-button-prev {
    color: #fff;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(8, 41, 77, 0.8);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    color: #fff;
    background-color: rgba(8, 41, 77, 1);
}

/* Swiper容器样式 */
.about-products-swiper {
    position: relative;
    width: 100%;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .about-products .products-grid {
        gap: 1rem;
    }
    
    .about-product-item img {
        height: 150px;
    }
    .hero {
        position: relative;
        height: 180px;
        overflow: hidden;
    }
    .about-banner{
        height:180px;
    }
    .contact-map{
       height:180px!important; 
    }
    .product-banner{
       height:180px!important;  
    }
    .product-banner .banner-content h2{
        font-size: 1.2rem;
    }
    .product-info h1{
        font-size: 1.5rem!important;
    }
    
}

/* 相关产品网格 */
.related-products .products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}


/* Technology页面样式 */
.production-lines {
    padding: 4rem 0;
    background-color: #fff;
}

.production-lines .section-title {
    text-align: center;
    color: #08294D;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 3rem;
}

.production-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.production-item {
    background-color: #fff;
}
.production-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.production-image {
    width: 100%;
    overflow: hidden;
    margin-bottom: 1rem;
}

.production-image img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    border-radius: 4px;
    transition: transform 0.3s ease;
}

/*.production-grid .production-item:nth-child(2) .production-image img{*/
/*    height: 340px;*/
/*    transform: translateY(-80px);*/
/*}*/
/*.production-grid .production-item:nth-child(4) .production-image img{*/
/*    height: 330px;*/
/*    transform: translateY(70px);*/
/*}*/
.production-item:hover .production-image img {
    transform: scale(1.05);
}

.production-info {
    padding: 0.5rem 0;
}

.production-name {
    font-size: 1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.8rem;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.production-item:hover .production-name {
    color: #08294D;
}

/* Contact页面样式 */
.contact-map {
    position: relative;
    width: 100%;
    height: 400px;
}

.map-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.map-label {
    display: inline-block;
    background-color: #08294D;
    color: #fff;
    padding: 8px 30px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 3rem;
}

.contact-info-section .container {
    text-align: center;
}

.contact-info-section {
    padding: 4rem 0;
    background-color: #fff;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem 4rem;
    max-width: 900px;
    margin: 0 auto;
}

.contact-info-item {
    text-align: center;
}

.contact-info-item h3 {
    font-size: 1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.8rem;
}

.info-divider {
    width: 60%;
    height: 1px;
    background-color: #ddd;
    margin: 0 auto 1rem;
}

.contact-info-item p {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 0.3rem;
}

.contact-info-item p span{
    padding-left: 12px;
}

/* 产品Banner样式 */
.product-banner {
    height: 300px;
    background-image: url('../images/product-detail-banner.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.product-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.banner-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.banner-content h2 {
    color: #fff;
    font-size: 2.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 产品详情样式 */
.product-detail {
    padding: 4rem 0;
    background-color: #fff;
}

.product-content {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
}

.product-image {
    flex: 1;
    min-width: 300px;
}

.product-image img {
    width: 100%;
    height: auto;
    border-radius: 4px;
}

.product-info {
    flex: 1;
    min-width: 300px;
}

.product-info h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
}

.product-category {
    width: 100%;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.category-content {
    display: inline-block;
    background-color: #08294D;
    color: #fff;
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    z-index: 2;
}

.product-category::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: #ddd;
    z-index: 0;
    transform: translateY(100%);
}

.product-description {
    padding: 0.5rem 0;
    border-radius: 4px;
}

.product-description p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #666;
    margin: 0;
}

.product-specs {
    margin-top: 3rem;
}

.specs-title {
    display: inline-block;
    background-color: #08294D;
    color: #fff;
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

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

.specs-list li {
    margin-bottom: 0.8rem;
    color: #666;
    display: flex;
    align-items: flex-start;
}

.specs-list li i {
    color: #08294D;
    margin-right: 0.5rem;
    margin-top: 0.3rem;
}

/* 相关产品样式 */
.related-products {
    padding: 4rem 0;
    background-color: #f9f9f9;
}

.related-products .section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: #08294D;
}

.related-products .products-grid {
    display: flex;
    width: 100%;
}

.contact-form-section {
    padding: 3rem 0 5rem;
    background-color: #f9f9f9;
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h2 {
    display: inline-block;
    background-color: #08294D;
    color: #fff;
    padding: 10px 40px;
    font-size: 1rem;
    font-weight: 500;
}

.contact-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    background-color: #f5f5f5;
    font-size: 0.9rem;
    color: #333;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #08294D;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.sample-choice .checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 2rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: #666;
    cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.form-submit {
    text-align: center;
    margin-top: 2rem;
}

.submit-btn {
    background-color: #999;
    color: #fff;
    border: none;
    padding: 12px 60px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-btn:hover {
    background-color: #08294D;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .contact-info-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .sample-choice .checkbox-group {
        flex-direction: column;
        gap: 0.8rem;
    }
}

.production-capacity {
    padding-top: 0.8rem;
    position: relative;
}

.production-capacity::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 20%;
    height: 2px;
    background-color: #333;
}

.capacity-label {
    display: block;
    font-size: 0.75rem;
    color: #666;
    margin-bottom: 0.3rem;
}

.capacity-value {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.capacity-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: #08294D;
}

.capacity-unit {
    font-size: 0.7rem;
    color: #999;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .production-grid {
        grid-template-columns: 1fr;
    }
    
    .production-image img {
        height: 200px;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-products .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .profile-tab {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-image {
        width: 100%;
        margin-bottom: 2rem;
    }
    
    .profile-text {
        width: 100%;
    }
    
    .process-step {
        flex-direction: column;
        gap: 1rem;
    }
    
    .process-branch {
        flex-direction: column;
        min-width: unset;
    }
    .process-arrow{
        transform: rotate(90deg);
    }
    .process-mutiple-box{
        flex-direction: row!important;
    }
    .process-mutiple{
        flex-direction: column!important;
    }
}

/* 页脚 */
footer {
    background-color: #fff;
    color: #000;
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-title {
    margin-bottom: 2rem;
}

.footer-title h2 {
    font-size: 1.5rem;
    font-weight: bold;
    color: #000;
}

.footer-nav {
    margin-bottom: 2rem;
    width: 100%;
}

.footer-nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.footer-nav li {
    margin: 0;
}

.footer-nav a {
    text-decoration: none;
    color: #000;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    color: #08294D;
}

.footer-nav li.active a {
    color: #08294D;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    margin-top: 2rem;
    text-align: left;
}

.footer-logo {
    flex: 1;
    margin-right: 2rem;
}

.footer-logo h1 {
    font-size: 2.5rem;
    font-weight: bold;
    color: #000;
}

.footer-info {
    flex: 3;
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-section {
    flex: 1 1 30%;
    min-width: 200px;
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: normal;
    margin-bottom: .2rem;
    color: #000;
    text-transform: uppercase;
}

.footer-section p {
    font-size: 0.9rem;
    color: #000;
    line-height: 1.4;
}

.footer-section p i{
    padding-right: 8px;
}

.footer-section p span{
    padding-left: 12px;
}
/* 响应式设计 */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cert-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .footer-logo {
        margin-right: 0;
        margin-bottom: 2rem;
    }
    
    .footer-info {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }
    
    .footer-section {
        text-align: center;
    }
}

/* 移动端产品网格 */
@media (max-width: 768px) {
    .about-products .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .related-products .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .about-product-item img {
        height: 150px;
    }
}
@media (max-width: 768px) {
    .navbar .container {
        
        align-items: center;
    }
    .logo img{
        height: 26px;
    }
    .nav-links {
        /* margin-top: 1rem; */
    }
    
    .nav-links li {
        margin-left: 1rem;
        margin-right: 1rem;
    }
    
    .nav-links a:hover {
        color: #3f80c7;
    }
    
    .nav-links li.active a {
        color: #3f80c7;
        position: relative;
    }
    .nav-links li.dropdown .dropdown-menu li a.active{
        color: #3f80c7;
    }
    .section-title{
        font-size: 1.5rem;
    }
    .slide-content h2 {
        font-size: 2rem;
    }
    
    .slide-content h3 {
        font-size: 2.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid .stat-item{
        padding: 1.5rem 2rem;
    }
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stat-icon img{
        width: 60px;
        height: 60px;
    }
    .stat-value{
        font-size: 2rem;
        margin-bottom: 0;
    }
    .footer-nav ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
    
    .footer-logo {
        margin-right: 0;
        margin-bottom: 2rem;
    }
    .footer-logo img{
        height: 60px;
    }
    .footer-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
        width: 100%;
    }
    
    .footer-section {
        text-align: left;
        flex: 1 1 100%;
    }
}

@media (max-width: 480px) {
    .slide-content h2 {
        font-size: 1.5rem;
    }
    
    .slide-content h3 {
        font-size: 2rem;
    }
    
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-contact {
        flex-direction: column;
        align-items: center;
    }
}
.swiper-button-next:after, .swiper-button-prev:after{font-size: 18px;}