/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    text-decoration: none;
    color: inherit;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.btn {
    display: inline-block;

    padding: 10px 25px;
    background-color: #0056b3;
    color: #fff;
    border: none;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
    cursor: pointer;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #003d7a;
}

.btn-outline {
    display: inline-block;

    padding: 8px 20px;
    background-color: transparent;
    color: #0056b3;
    border: 1px solid #0056b3;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
    cursor: pointer;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background-color: #0056b3;
    color: #fff;
}

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

.section-title h2 {
    font-size: 32px;
    margin-bottom: 10px;
    color: #0056b3;
    position: relative;
    display: inline-block;
}

.section-title h2:after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background-color: #0056b3;
    bottom: -10px;
    left: 50%;
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    transform: translateX(-50%);
}

.section-title p {
    color: #666;
    font-size: 16px;
}

/* FAQ部分样式 */
.faq-section {
    padding: 60px 0;
    background-color: #fff;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.faq-question {
    padding: 20px;
    background-color: #f8f9fa;
    cursor: pointer;
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-transition: background-color 0.3s ease;
    -moz-transition: background-color 0.3s ease;
    -o-transition: background-color 0.3s ease;
    transition: background-color 0.3s ease;
}

.faq-question h3 {
    margin: 0;
    font-size: 18px;
    color: #333;
    font-weight: 500;
}

.faq-question .toggle-icon {
    color: #0056b3;
    transition: transform 0.3s ease;
}

.faq-item.active .toggle-icon {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
    background-color: #fff;
}

.faq-item.active .faq-answer {
    padding: 20px;
    max-height: 500px;
}

.faq-answer p {
    margin: 0;
    color: #666;
    line-height: 1.6;
    font-size: 16px;
}



.contact-info i {
    margin-right: 5px;
    color: #0056b3;
}

.language-selector a {
    margin-left: 10px;
    color: #666;
}

.language-selector a.active {
    color: #0056b3;
    font-weight: bold;
}

/* 导航栏 */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    padding: 15px;
}

.logo a {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

.logo img {
    height: 50px;
    margin-right: 10px;
}

.logo h1 {
    font-size: 24px;
    color: #0056b3;
}

.main-nav ul {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
}

.main-nav li {
    margin-left: 30px;
}

.main-nav a {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    padding: 10px 0;
    position: relative;
}

.main-nav a:hover,
.main-nav a.active {
    color: #0056b3;
}

.main-nav a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: #0056b3;
    bottom: 0;
    left: 0;
    transition: width 0.3s ease;
}

.main-nav a:hover:after,
.main-nav a.active:after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* 产品页面布局 */
.product-page-layout {
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

/* 手风琴侧边栏 */
.product-sidebar {
    flex: 0 0 250px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
}

.product-sidebar .category-item {
    margin-bottom: 10px;
}

.product-sidebar .category-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px;
    background: #f5f5f5;
    border-radius: 4px;
    cursor: pointer;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.product-sidebar .category-title:hover {
    background: #e0e0e0;
}

.product-sidebar .category-title i {
    transition: transform 0.3s ease;
}

.product-sidebar .category-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.product-sidebar .category-item.active .category-title {
    background: #0056b3;
    color: #fff;
}

.product-sidebar .category-item.active .category-content {
    max-height: 500px;
    padding: 10px;
}

.product-sidebar .category-item.active .category-title i {
    transform: rotate(180deg);
}

.product-sidebar .subcategory-list a {
    display: block;
    padding: 8px 10px 8px 20px;
    color: #666;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.product-sidebar .subcategory-list a:hover {
    color: #0056b3;
    background: #f5f5f5;
    border-radius: 4px;
}

.product-content {
    flex: 1;
}

@media (max-width: 768px) {
    .product-page-layout {
        flex-direction: column;
    }
    
    .product-sidebar {
        flex: none;
        width: 100%;
        margin-bottom: 20px;
    }
}

/* 轮播图 */
.banner {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.slider {
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
}

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

.slide-content {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    max-width: 600px;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.slide-content h2 {
    font-size: 42px;
    margin-bottom: 20px;
}

.slide-content p {
    font-size: 18px;
    margin-bottom: 30px;
}

.slider-controls {
    position: absolute;
    top: 50%;
    width: 100%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
}

.slider-controls button {
    background-color: rgba(255, 255, 255, 0.5);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.slider-controls button:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    transform: translateX(-50%);
    display: flex;
}

.dot {
    width: 12px;
    height: 12px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    margin: 0 5px;
    cursor: pointer;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.dot.active {
    background-color: #fff;
}

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

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 30px;
}

.category-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

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

.category-img {
    height: 200px;
    overflow: hidden;
}

.category-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.category-card:hover .category-img img {
    transform: scale(1.1);
}

.category-info {
    padding: 20px;
    text-align: center;
}

.category-info h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #0056b3;
}

.category-info p {
    color: #666;
    margin-bottom: 15px;
    height: 50px;
}

/* 公司优势 */
.company-advantages {
    padding: 80px 0;
    background-color: #f5f9ff;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-card {
    background-color: #fff;
    padding: 30px 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.advantage-card .icon {
    font-size: 40px;
    color: #0056b3;
    margin-bottom: 20px;
}

.advantage-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #0056b3;
}

.advantage-card p {
    color: #666;
}

/* 客户案例 */
.client-cases {
    padding: 80px 0;
    background-color: #fff;
}

.clients-slider {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.client-logo {
    width: 180px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 15px;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.client-logo:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.client-logo img {
    max-width: 80%;
    max-height: 80%;
    filter: grayscale(100%);
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.client-logo:hover img {
    filter: grayscale(0);
}

/* 联系我们 */
.contact-section {
    padding: 80px 0;
    background-color: #f5f9ff;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
}

.contact-info h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #0056b3;
}

.contact-info p {
    margin-bottom: 30px;
    color: #666;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
}

.info-item i {
    font-size: 18px;
    color: #0056b3;
    margin-right: 15px;
    margin-top: 3px;
}

.contact-form {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-form h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #0056b3;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #0056b3;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 86, 179, 0.2);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

/* 产品详情页样式 */
.product-detail {
    padding: 60px 0;
    background-color: #fff;
}

.product-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.product-gallery {
    position: relative;
}

.main-image {
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.thumbnail-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.thumbnail-list img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.thumbnail-list img:hover {
    transform: scale(1.05);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.product-info {
    padding: 20px;
}

.product-info h2 {
    font-size: 28px;
    color: #0056b3;
    margin-bottom: 30px;
}

.product-features,
.product-applications {
    margin-bottom: 30px;
}

.product-features h3,
.product-applications h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 15px;
    position: relative;
    padding-left: 15px;
}

.product-features h3:before,
.product-applications h3:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background-color: #0056b3;
    border-radius: 2px;
}

.product-features ul,
.product-applications ul {
    list-style: none;
    padding-left: 15px;
}

.product-features li,
.product-applications li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: #555;
}

.product-features li:before,
.product-applications li:before {
    content: '\2022';
    color: #0056b3;
    position: absolute;
    left: 0;
    top: 0;
}

/* 技术参数表格样式 */
.technical-params {
    margin-top: 40px;
    background-color: #f9f9f9;
    padding: 40px;
    border-radius: 8px;
}

.technical-params h3 {
    font-size: 24px;
    color: #0056b3;
    margin-bottom: 20px;
    text-align: center;
}

.params-table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.params-table th,
.params-table td {
    padding: 15px;
    text-align: left;
    border: 1px solid #eee;
}

.params-table th {
    background-color: #f5f9ff;
    color: #0056b3;
    font-weight: 600;
}

.params-table tr:hover {
    background-color: #f5f9ff;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .product-overview {
        grid-template-columns: 1fr;
    }

    .thumbnail-list img {
        height: 80px;
    }

    .technical-params {
        padding: 20px;
    }

    .params-table {
        display: block;
        overflow-x: auto;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }
    .product-grid {
        column-count: 1;
    }
}

/* 关于我们页面样式 */
.company-intro {
    padding: 60px 0;
    background-color: #fff;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.intro-content h2 {
    font-size: 28px;
    color: #0056b3;
    margin-bottom: 20px;
}

.intro-content p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: #555;
}

.intro-image img {
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 发展历程样式 */
.company-history {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline:before {
    content: '';
    position: absolute;
    width: 2px;
    background-color: #0056b3;
    top: 0;
    bottom: 0;
    left: 50%;
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    width: 50%;
    padding: 0 40px;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-item:after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background-color: #0056b3;
    border: 4px solid #fff;
    border-radius: 50%;
    top: 0;
    right: -8px;
}

.timeline-item:nth-child(even):after {
    right: auto;
    left: -8px;
}

.year {
    font-size: 24px;
    font-weight: bold;
    color: #0056b3;
    margin-bottom: 10px;
}

.timeline-item .content {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.timeline-item .content h3 {
    color: #333;
    margin-bottom: 10px;
}

.timeline-item .content p {
    color: #666;
}

/* 企业文化样式 */
.company-culture {
    padding: 60px 0;
    background-color: #fff;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.culture-item {
    text-align: center;
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

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

.culture-item .icon {
    font-size: 40px;
    color: #0056b3;
    margin-bottom: 20px;
}

.culture-item h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 15px;
}

.culture-item p {
    color: #666;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 0;
    }

    .timeline-item:nth-child(even) {
        left: 0;
    }

    .timeline:before {
        left: 40px;
    }

    .timeline-item:after {
        left: 32px;
        right: auto;
    }

    .timeline-item:nth-child(even):after {
        left: 32px;
    }

    .culture-grid {
        grid-template-columns: 1fr;
    }
}

/* 页脚 */
.footer {
    background-color: #003366;
    color: #fff;
    padding-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-about p {
    margin-bottom: 20px;
    color: #ccc;
}

.social-links {
    display: flex;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    margin-right: 10px;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: #0056b3;
}

.footer h3 {
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer h3:after {
    content: '';
    position: absolute;
    width: 40px;
    height: 2px;
    background-color: #0056b3;
    bottom: 0;
    left: 0;
}

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

.footer-links ul li a,
.footer-products ul li a {
    color: #ccc;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.footer-links ul li a:hover,
.footer-products ul li a:hover {
    color: #fff;
    padding-left: 5px;
}

.footer-contact p {
    margin-bottom: 10px;
    color: #ccc;
    display: flex;
    align-items: flex-start;
}

.footer-contact p i {
    margin-right: 10px;
    color: #0056b3;
}





/* 产品导航 */
.product-nav {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 80px;
    z-index: 900;
}

.product-tabs {
    display: flex;
    justify-content: center;
    padding: 15px 0;
}

.product-tabs .tab {
    padding: 10px 20px;
    margin: 0 10px;
    color: #333;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.product-tabs .tab:hover,
.product-tabs .tab.active {
    color: #0056b3;
    border-bottom-color: #0056b3;
}

/* 产品部分 */
.product-section {
    padding: 80px 0;
    background-color: #fff;
}

.product-section:nth-child(odd) {
    background-color: #f5f9ff;
}

.product-intro {
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
    color: #666;
    line-height: 1.8;
}

.index-products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 0 15px;
    justify-items: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    padding: 0 15px;
}

@media screen and (max-width: 1400px) {
    .index-products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media screen and (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .index-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .products-grid,
    .index-products-grid {
        grid-template-columns: 1fr;
    }
}

.product-card {
    background-color: #fff;
    width: 100%;
    max-width: 280px;
    margin: 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;

    &:hover {
        transform: translateY(-5px);
    }

    .product-image {
        width: 100%;
        height: 200px;
        overflow: hidden;
        
        img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        &:hover img {
            transform: scale(1.1);
        }
    }
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
    width: 100%;
}

@media screen and (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media screen and (max-width: 900px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 600px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.product-image {
    height: 150px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-info {
    padding: 20px;
    text-align: center;
}

.product-info h3 {
    font-size: 20px;
    color: #0056b3;
    margin-bottom: 10px;
}

.product-info p {
    color: #666;
    margin-bottom: 15px;
    height: 50px;
}

/* 产品咨询 */
.product-inquiry {
    padding: 60px 0;
    background-color: #0056b3;
    color: #fff;
    text-align: center;
}

.inquiry-content h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.inquiry-content p {
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.inquiry-content .btn {
    background-color: #fff;
    color: #0056b3;
    font-weight: 500;
    padding: 12px 30px;
}

.inquiry-content .btn:hover {
    background-color: #f5f5f5;
}

/* 联系信息部分 */
.contact-info-section {
    padding: 80px 0;
    background-color: #fff;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-info-card {
    background-color: #f5f9ff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.contact-info-card .icon {
    font-size: 40px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-info-card h3 {
    font-size: 20px;
    color: #0056b3;
    margin-bottom: 15px;
}

.contact-info-card p {
    color: #666;
    margin-bottom: 5px;
}

/* 联系表单和地图 */
.contact-form-map {
    padding: 80px 0;
    background-color: #f5f9ff;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 50px;
}

.contact-form-container,
.contact-map {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-form-container h2,
.contact-map h2 {
    font-size: 24px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-form-container p {
    color: #666;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group .required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #0056b3;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 86, 179, 0.2);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

/* 产品咨询 */
.product-inquiry {
    padding: 60px 0;
    background-color: #0056b3;
    color: #fff;
    text-align: center;
}

.inquiry-content h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.inquiry-content p {
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.inquiry-content .btn {
    background-color: #fff;
    color: #0056b3;
    font-weight: 500;
    padding: 12px 30px;
}

.inquiry-content .btn:hover {
    background-color: #f5f5f5;
}

/* 联系信息部分 */
.contact-info-section {
    padding: 80px 0;
    background-color: #fff;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-info-card {
    background-color: #f5f9ff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.contact-info-card .icon {
    font-size: 40px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-info-card h3 {
    font-size: 20px;
    color: #0056b3;
    margin-bottom: 15px;
}

.contact-info-card p {
    color: #666;
    margin-bottom: 5px;
}

/* 联系表单和地图 */
.contact-form-map {
    padding: 80px 0;
    background-color: #f5f9ff;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 50px;
}

.contact-form-container,
.contact-map {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-form-container h2,
.contact-map h2 {
    font-size: 24px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-form-container p {
    color: #666;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group .required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #0056b3;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 86, 179, 0.2);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

/* 产品咨询 */
.product-inquiry {
    padding: 60px 0;
    background-color: #0056b3;
    color: #fff;
    text-align: center;
}

.inquiry-content h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.inquiry-content p {
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.inquiry-content .btn {
    background-color: #fff;
    color: #0056b3;
    font-weight: 500;
    padding: 12px 30px;
}

.inquiry-content .btn:hover {
    background-color: #f5f5f5;
}

/* 联系信息部分 */
.contact-info-section {
    padding: 80px 0;
    background-color: #fff;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-info-card {
    background-color: #f5f9ff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.contact-info-card .icon {
    font-size: 40px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-info-card h3 {
    font-size: 20px;
    color: #0056b3;
    margin-bottom: 15px;
}

.contact-info-card p {
    color: #666;
    margin-bottom: 5px;
}

/* 联系表单和地图 */
.contact-form-map {
    padding: 80px 0;
    background-color: #f5f9ff;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 50px;
}

.contact-form-container,
.contact-map {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-form-container h2,
.contact-map h2 {
    font-size: 24px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-form-container p {
    color: #666;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group .required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #0056b3;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 86, 179, 0.2);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

/* 产品咨询 */
.product-inquiry {
    padding: 60px 0;
    background-color: #0056b3;
    color: #fff;
    text-align: center;
}

.inquiry-content h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.inquiry-content p {
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.inquiry-content .btn {
    background-color: #fff;
    color: #0056b3;
    font-weight: 500;
    padding: 12px 30px;
}

.inquiry-content .btn:hover {
    background-color: #f5f5f5;
}

/* 联系信息部分 */
.contact-info-section {
    padding: 80px 0;
    background-color: #fff;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-info-card {
    background-color: #f5f9ff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.contact-info-card .icon {
    font-size: 40px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-info-card h3 {
    font-size: 20px;
    color: #0056b3;
    margin-bottom: 15px;
}

.contact-info-card p {
    color: #666;
    margin-bottom: 5px;
}

/* 联系表单和地图 */
.contact-form-map {
    padding: 80px 0;
    background-color: #f5f9ff;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 50px;
}

.contact-form-container,
.contact-map {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-form-container h2,
.contact-map h2 {
    font-size: 24px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-form-container p {
    color: #666;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group .required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #0056b3;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 86, 179, 0.2);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

/* 产品咨询 */
.product-inquiry {
    padding: 60px 0;
    background-color: #0056b3;
    color: #fff;
    text-align: center;
}

.inquiry-content h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.inquiry-content p {
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.inquiry-content .btn {
    background-color: #fff;
    color: #0056b3;
    font-weight: 500;
    padding: 12px 30px;
}

.inquiry-content .btn:hover {
    background-color: #f5f5f5;
}

/* 联系信息部分 */
.contact-info-section {
    padding: 80px 0;
    background-color: #fff;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-info-card {
    background-color: #f5f9ff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.contact-info-card .icon {
    font-size: 40px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-info-card h3 {
    font-size: 20px;
    color: #0056b3;
    margin-bottom: 15px;
}

.contact-info-card p {
    color: #666;
    margin-bottom: 5px;
}

/* 联系表单和地图 */
.contact-form-map {
    padding: 80px 0;
    background-color: #f5f9ff;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 50px;
}

.contact-form-container,
.contact-map {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-form-container h2,
.contact-map h2 {
    font-size: 24px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-form-container p {
    color: #666;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group .required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #0056b3;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 86, 179, 0.2);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

/* 产品咨询 */
.product-inquiry {
    padding: 60px 0;
    background-color: #0056b3;
    color: #fff;
    text-align: center;
}

.inquiry-content h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.inquiry-content p {
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.inquiry-content .btn {
    background-color: #fff;
    color: #0056b3;
    font-weight: 500;
    padding: 12px 30px;
}

.inquiry-content .btn:hover {
    background-color: #f5f5f5;
}

/* 联系信息部分 */
.contact-info-section {
    padding: 80px 0;
    background-color: #fff;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-info-card {
    background-color: #f5f9ff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.contact-info-card .icon {
    font-size: 40px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-info-card h3 {
    font-size: 20px;
    color: #0056b3;
    margin-bottom: 15px;
}

.contact-info-card p {
    color: #666;
    margin-bottom: 5px;
}

/* 联系表单和地图 */
.contact-form-map {
    padding: 80px 0;
    background-color: #f5f9ff;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 50px;
}

.contact-form-container,
.contact-map {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-form-container h2,
.contact-map h2 {
    font-size: 24px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-form-container p {
    color: #666;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group .required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #0056b3;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 86, 179, 0.2);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

/* 产品咨询 */
.product-inquiry {
    padding: 60px 0;
    background-color: #0056b3;
    color: #fff;
    text-align: center;
}

.inquiry-content h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.inquiry-content p {
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.inquiry-content .btn {
    background-color: #fff;
    color: #0056b3;
    font-weight: 500;
    padding: 12px 30px;
}

.inquiry-content .btn:hover {
    background-color: #f5f5f5;
}

/* 联系信息部分 */
.contact-info-section {
    padding: 80px 0;
    background-color: #fff;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-info-card {
    background-color: #f5f9ff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.contact-info-card .icon {
    font-size: 40px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-info-card h3 {
    font-size: 20px;
    color: #0056b3;
    margin-bottom: 15px;
}

.contact-info-card p {
    color: #666;
    margin-bottom: 5px;
}

/* 联系表单和地图 */
.contact-form-map {
    padding: 80px 0;
    background-color: #f5f9ff;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 50px;
}

.contact-form-container,
.contact-map {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-form-container h2,
.contact-map h2 {
    font-size: 24px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-form-container p {
    color: #666;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group .required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #0056b3;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 86, 179, 0.2);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

/* 产品咨询 */
.product-inquiry {
    padding: 60px 0;
    background-color: #0056b3;
    color: #fff;
    text-align: center;
}

.inquiry-content h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.inquiry-content p {
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.inquiry-content .btn {
    background-color: #fff;
    color: #0056b3;
    font-weight: 500;
    padding: 12px 30px;
}

.inquiry-content .btn:hover {
    background-color: #f5f5f5;
}

/* 联系信息部分 */
.contact-info-section {
    padding: 80px 0;
    background-color: #fff;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-info-card {
    background-color: #f5f9ff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.contact-info-card .icon {
    font-size: 40px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-info-card h3 {
    font-size: 20px;
    color: #0056b3;
    margin-bottom: 15px;
}

.contact-info-card p {
    color: #666;
    margin-bottom: 5px;
}

/* 联系表单和地图 */
.contact-form-map {
    padding: 80px 0;
    background-color: #f5f9ff;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 50px;
}

.contact-form-container,
.contact-map {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-form-container h2,
.contact-map h2 {
    font-size: 24px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-form-container p {
    color: #666;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group .required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #0056b3;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 86, 179, 0.2);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

/* 产品咨询 */
.product-inquiry {
    padding: 60px 0;
    background-color: #0056b3;
    color: #fff;
    text-align: center;
}

.inquiry-content h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.inquiry-content p {
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.inquiry-content .btn {
    background-color: #fff;
    color: #0056b3;
    font-weight: 500;
    padding: 12px 30px;
}

.inquiry-content .btn:hover {
    background-color: #f5f5f5;
}

/* 联系信息部分 */
.contact-info-section {
    padding: 80px 0;
    background-color: #fff;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-info-card {
    background-color: #f5f9ff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.contact-info-card .icon {
    font-size: 40px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-info-card h3 {
    font-size: 20px;
    color: #0056b3;
    margin-bottom: 15px;
}

.contact-info-card p {
    color: #666;
    margin-bottom: 5px;
}

/* 联系表单和地图 */
.contact-form-map {
    padding: 80px 0;
    background-color: #f5f9ff;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 50px;
}

.contact-form-container,
.contact-map {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-form-container h2,
.contact-map h2 {
    font-size: 24px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-form-container p {
    color: #666;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group .required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #0056b3;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 86, 179, 0.2);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

/* 产品咨询 */
.product-inquiry {
    padding: 60px 0;
    background-color: #0056b3;
    color: #fff;
    text-align: center;
}

.inquiry-content h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.inquiry-content p {
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.inquiry-content .btn {
    background-color: #fff;
    color: #0056b3;
    font-weight: 500;
    padding: 12px 30px;
}

.inquiry-content .btn:hover {
    background-color: #f5f5f5;
}

/* 联系信息部分 */
.contact-info-section {
    padding: 80px 0;
    background-color: #fff;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-info-card {
    background-color: #f5f9ff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.contact-info-card .icon {
    font-size: 40px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-info-card h3 {
    font-size: 20px;
    color: #0056b3;
    margin-bottom: 15px;
}

.contact-info-card p {
    color: #666;
    margin-bottom: 5px;
}

/* 联系表单和地图 */
.contact-form-map {
    padding: 80px 0;
    background-color: #f5f9ff;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 50px;
}

.contact-form-container,
.contact-map {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-form-container h2,
.contact-map h2 {
    font-size: 24px;
    color: #0056b3;
    margin-bottom: 20px;
}

.contact-form-container p {
    color: #666;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group .required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #0056b3;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 86, 179, 0.2);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
}

/* 产品咨询 */
.product-inquiry {
    padding: 60px 0;
    background-color: #0056b3;
    color: #fff;
    text-align: center;
}

.inquiry-content h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.inquiry-content p {
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.inquiry-content .btn {
    background-color: #fff;
    color: #0056b3;
    font-weight: 500;
    padding: 12px 30px;
}