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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    text-decoration: none;
    color: #0066cc;
    transition: all 0.3s ease;
}

a:hover {
    color: #004499;
}

ul {
    list-style: none;
}

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

.btn {
    display: inline-block;
    padding: 10px 25px;
    background-color: #0066cc;
    color: #fff;
    border-radius: 4px;
    text-align: center;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #004499;
    color: #fff;
}

.btn-small {
    padding: 6px 15px;
    font-size: 14px;
}

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

.section-title h2 {
    font-size: 32px;
    color: #333;
    margin-bottom: 10px;
    position: relative;
    padding-bottom: 15px;
}

.section-title h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: #0066cc;
}

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

/* 头部导航 */
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: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
}

.logo a {
    color: #333;
}

.logo h1 {
    font-size: 24px;
    font-weight: bold;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: #333;
    font-size: 16px;
    padding: 10px 0;
    position: relative;
}

nav ul li a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #0066cc;
    transition: width 0.3s ease;
}

nav ul li a:hover:after,
nav ul li.active a:after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 2px 0;
    transition: all 0.3s ease;
}

/* 轮播图 */
.banner {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.slider {
    height: 100%;
    position: relative;
}

.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%);
    color: #fff;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    max-width: 600px;
}

.slide-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

.slide-content p {
    font-size: 24px;
    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;
    color: #333;
    font-size: 24px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    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%;
    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;
    transition: all 0.3s ease;
}

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

/* 公司简介 */
.about-section {
    padding: 80px 0;
    background-color: #fff;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 16px;
    color: #666;
}

.about-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 产品展示 */
.products-section {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.product-categories {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.category {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

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

.category img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.category h3 {
    padding: 15px 15px 10px;
    font-size: 18px;
    color: #333;
}

.category p {
    padding: 0 15px 15px;
    font-size: 14px;
    color: #666;
}

.category .btn-small {
    margin: 0 15px 15px;
}

.view-more {
    text-align: center;
    margin-top: 40px;
}

/* 解决方案 */
.solutions-section {
    padding: 80px 0;
    background-color: #fff;
}

.solutions-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.solution-item {
    text-align: center;
    padding: 30px 20px;
    background-color: #f9f9f9;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.solution-item:hover {
    background-color: #0066cc;
    color: #fff;
}

.solution-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background-color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.solution-icon img {
    width: 40px;
    height: 40px;
}

.solution-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
}

.solution-item p {
    font-size: 14px;
}

/* 成功案例 */
.cases-section {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.case-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    height: 250px;
}

.case-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

.case-overlay {
    position: absolute;
    bottom: -100%;
    left: 0;
    width: 100%;
    padding: 20px;
    background-color: rgba(0, 102, 204, 0.9);
    color: #fff;
    transition: all 0.5s ease;
}

.case-item:hover img {
    transform: scale(1.1);
}

.case-item:hover .case-overlay {
    bottom: 0;
}

.case-overlay h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.case-overlay p {
    font-size: 14px;
    margin-bottom: 15px;
}

.case-overlay .btn-small {
    background-color: #fff;
    color: #0066cc;
}

/* 新闻动态 */
.news-section {
    padding: 80px 0;
    background-color: #fff;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.news-item {
    display: flex;
    background-color: #f9f9f9;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.news-item:hover {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.news-date {
    width: 100px;
    background-color: #0066cc;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px 0;
}

.news-date .day {
    font-size: 32px;
    font-weight: bold;
}

.news-date .month,
.news-date .year {
    font-size: 14px;
}

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

.news-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.news-content h3 a {
    color: #333;
}

.news-content h3 a:hover {
    color: #0066cc;
}

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

.read-more {
    font-size: 14px;
    font-weight: bold;
}

/* 合作伙伴 */
.partners-section {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.partners-logo {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
    align-items: center;
}

.partner {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    background-color: #fff;
    border-radius: 10px;
    padding: 15px;
    transition: all 0.3s ease;
}

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

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

.contact-box {
    display: flex;
    background-color: #f9f9f9;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-info {
    flex: 1;
    padding: 40px;
    background-color: #0066cc;
    color: #fff;
}

.contact-info h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

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

.contact-info ul li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.contact-info ul li i {
    margin-right: 10px;
    font-size: 20px;
}

.contact-form {
    flex: 1;
    padding: 40px;
}

.contact-form h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.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;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #0066cc;
    outline: none;
}

.form-group textarea {
    height: 120px;
    resize: none;
}

/* 页脚 */
footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo h2 {
    font-size: 24px;
    margin-bottom: 15px;
}

.footer-logo p {
    color: #ccc;
}

.footer-links {
    display: flex;
    gap: 60px;
}

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

.footer-column h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: #0066cc;
}

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

.footer-column ul li a {
    color: #ccc;
}

.footer-column ul li a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    color: #ccc;
    font-size: 14px;
}

/* 页面标题样式 */
.page-title {
    background-color: #0066cc;
    color: #fff;
    padding: 50px 0;
    text-align: center;
}

.page-title h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

.breadcrumb {
    font-size: 14px;
}

.breadcrumb a {
    color: #fff;
    opacity: 0.8;
}

.breadcrumb a:hover {
    opacity: 1;
}

/* 公司介绍样式 */
.company-intro {
    padding: 80px 0;
    background-color: #fff;
}

.row {
    display: flex;
    gap: 40px;
    align-items: center;
}

.company-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.company-content {
    flex: 1;
}

.company-content h2 {
    font-size: 28px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 15px;
}

.company-content h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: #0066cc;
}

.company-content p {
    margin-bottom: 15px;
    color: #666;
    line-height: 1.8;
}

/* 发展历程样式 */
.history-section {
    padding: 80px 0;
    background-color: #f9f9f9;
}

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

.timeline:before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background-color: #0066cc;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
}

.timeline-dot {
    position: absolute;
    top: 0;
    left: 50%;
    width: 20px;
    height: 20px;
    background-color: #0066cc;
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.timeline-date {
    position: absolute;
    top: 0;
    left: 0;
    width: 45%;
    text-align: right;
    padding-right: 30px;
    font-size: 18px;
    font-weight: bold;
    color: #0066cc;
}

.timeline-content {
    position: relative;
    width: 45%;
    margin-left: 55%;
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.timeline-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
}

.timeline-content p {
    color: #666;
    line-height: 1.6;
}

.timeline-item:nth-child(even) .timeline-date {
    left: auto;
    right: 0;
    text-align: left;
    padding-right: 0;
    padding-left: 30px;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 0;
    margin-right: 55%;
}

/* 企业文化样式 */
.culture-section {
    padding: 80px 0;
    background-color: #fff;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.culture-item {
    text-align: center;
    padding: 30px 20px;
    background-color: #f9f9f9;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.culture-item:hover {
    background-color: #0066cc;
    color: #fff;
    transform: translateY(-10px);
}

.culture-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background-color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.culture-icon img {
    width: 40px;
    height: 40px;
}

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

.culture-item p {
    font-size: 14px;
    line-height: 1.6;
}

/* 团队介绍样式 */
.team-section {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-member {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

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

.member-photo {
    height: 250px;
    overflow: hidden;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

.team-member:hover .member-photo img {
    transform: scale(1.1);
}

.member-info {
    padding: 20px;
}

.member-info h3 {
    font-size: 18px;
    margin-bottom: 5px;
}

.member-info .position {
    color: #0066cc;
    font-weight: bold;
    margin-bottom: 10px;
}

.member-info .description {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

/* 产品分类导航样式 */
.product-nav {
    padding: 20px 0;
    background-color: #fff;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 70px;
    z-index: 900;
}

.category-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.category-nav li {
    margin: 0 15px;
}

.category-nav li a {
    display: block;
    padding: 10px 15px;
    color: #333;
    font-weight: bold;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.category-nav li.active a,
.category-nav li a:hover {
    color: #0066cc;
    border-bottom-color: #0066cc;
}

/* 产品部分样式 */
.product-section {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.product-section:nth-child(even) {
    background-color: #fff;
}

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

.product-item {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

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

.product-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

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

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.product-features {
    color: #0066cc;
    font-size: 14px;
    margin-bottom: 10px;
}

.product-desc {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}