/* 基础样式 */
:root {
    --primary-color: rgb(51,74,104);
    --secondary-color: rgb(220,221,221);
    --white-color: rgb(255,255,255);
    --dark-color: #333;
    --orange-color: rgb(231,141,35);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white-color);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

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

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {    color: var(--orange-color);}

ul {
    list-style: none;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
    font-size: 2.5rem;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {    content: '';    position: absolute;    bottom: 0;    left: 50%;    transform: translateX(-50%);    width: 80px;    height: 3px;    background-color: var(--orange-color);}

/* 头部样式 */
.header {
    background-color: var(--white-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    width: 60px;
    margin-right: 15px;
}

.company-name {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

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

.nav-menu {
    display: flex;
}

.nav-item {
    margin-left: 30px;
}

.nav-item a {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    padding: 10px 0;
    position: relative;
}

.nav-item a::after {    content: '';    position: absolute;    bottom: 0;    left: 0;    width: 0;    height: 2px;    background-color: var(--orange-color);    transition: var(--transition);}

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

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--primary-color);
    transition: var(--transition);
}

/* 轮播图样式 */
.hero-section {
    margin-top: 90px;
    overflow: hidden;
}

.hero-swiper {
    width: 100%;
    height: 70vh;
}

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

.slide-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 50px;
    color: var(--white-color);
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5));
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.slide-content h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

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

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

.swiper-pagination-bullet-active {
    background-color: var(--white-color);
}

/* 公司介绍样式 */
.about-section {
    padding: 80px 0;
    background-color: var(--secondary-color);
}

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

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-image {
    flex: 1;
    min-width: 300px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-top: -20px;
}

/* 服务案例样式 */
.cases-section {
    padding: 80px 0;
    background-color: var(--white-color);
    color: var(--dark-color);
}

.cases-section .section-title {
    color: var(--primary-color);
}

.cases-section .section-title::after {
    background-color: var(--orange-color);
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.case-item {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    position: relative;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.case-image {
    height: 140px;
    overflow: hidden;
}

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

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

.case-title {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--white-color);
    padding: 15px 10px;
    font-size: 0.9rem;
    text-align: center;
}

/* 联系信息样式 */
.contact-section {
    padding: 80px 0;
    background-color: var(--white-color);
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
}

.contact-item {
    background-color: var(--white-color);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    transition: var(--transition);
}

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

.contact-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-item p {
    font-size: 1.1rem;
}

/* 页脚样式 */
.footer {
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 60px 0 20px;
}

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

.footer-logo {
    flex: 1;
    min-width: 250px;
}

.footer-logo .logo {
    width: 80px;
    margin-bottom: 15px;
}

.footer-logo h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.footer-slogan {
    font-size: 1rem;
    color: var(--secondary-color);
    line-height: 1.5;
    margin-bottom: 20px;
}

.footer-slogan-en {
    font-size: 0.85rem;
    color: var(--secondary-color);
    line-height: 1.5;
    margin-bottom: 20px;
}

.footer-links, .footer-contact {    flex: 1;    min-width: 250px;}.footer-links {    padding-left: 30px;    display: flex;    flex-direction: column;    align-items: flex-start;}

.footer-links h3, .footer-contact h3 {
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
    font-size: 1.4rem;
}

.footer-links h3::after, .footer-contact h3::after {    content: '';    position: absolute;    bottom: 0;    left: 0;    width: 50px;    height: 2px;    background-color: var(--white-color);}.footer-links h3 {    text-align: left;}.footer-links h3::after {    left: 0;    transform: none;}

/* 二维码样式 */.qrcode-container {    display: flex;    justify-content: flex-start;    flex-wrap: wrap;    margin-top: 20px;}.qrcode-item {    text-align: center;    margin: 0 15px 15px;}.qrcode-img {    width: 120px;    height: 120px;    margin-bottom: 10px;    border: 4px solid var(--white-color);    border-radius: 5px;    background-color: var(--white-color);}.qrcode-label {    color: var(--secondary-color);    font-size: 0.9rem;}/* 旧的链接样式 - 保留但不使用 */.footer-links ul {    display: none; /* 隐藏链接列表 */}.footer-links ul li {    margin-bottom: 10px;}.footer-links a {    color: var(--secondary-color);}.footer-links a:hover {    color: var(--white-color);}

.footer-contact p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.footer-contact i {
    margin-right: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* 页面Banner样式 */
.page-banner {
    margin-top: 90px;
    height: 300px;
    background-color: var(--primary-color);
    background-image: linear-gradient(rgba(76, 95, 119, 0.8), rgba(76, 95, 119, 0.8)), url('../images/banner-bg.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white-color);
    text-align: center;
}

.banner-content h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.banner-content p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

/* 发展历程样式 */
.history-section {
    padding: 80px 0;
    background-color: var(--white-color);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 20px 40px;
    box-sizing: border-box;
}

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

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

.timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--primary-color);
    border-radius: 50%;
    top: 30px;
    z-index: 1;
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

.timeline-content {
    background-color: var(--white-color);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    position: relative;
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.5rem;
}

/* 团队介绍样式 */
.team-section {
    padding: 80px 0;
    background-color: var(--secondary-color);
}

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

.team-member {
    background-color: var(--white-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

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

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

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

.team-member h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 20px 20px 5px;
}

.member-position {
    color: #666;
    margin: 0 20px 10px;
    font-style: italic;
}

.team-member p {
    margin: 0 20px 20px;
}

/* 企业文化样式 */
.culture-section {
    padding: 80px 0;
    background-color: var(--white-color);
}

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

.culture-item {
    background-color: var(--white-color);
    border-radius: 10px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    flex: 1;
    min-width: 300px;
    max-width: 350px;
    transition: var(--transition);
}

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

.culture-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.culture-icon i {
    font-size: 2rem;
    color: var(--white-color);
}

.culture-item h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.culture-item p {
    font-size: 1.1rem;
}

/* 业务概述样式 */
.business-overview {
    padding: 80px 0;
    background-color: var(--white-color);
}

.overview-text {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 50px;
    font-size: 1.2rem;
    line-height: 1.8;
    color: #555;
}

.service-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
}

.category-item {
    text-align: center;
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    transition: var(--transition);
}

.category-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 20px rgba(76, 95, 119, 0.2);
}

.category-icon i {
    font-size: 3rem;
    color: var(--white-color);
}

.category-item h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* 服务项目详情样式 */
.service-details {
    padding: 80px 0;
    background-color: var(--secondary-color);
}

.service-detail-item {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 80px;
    background-color: var(--white-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    padding: 12px;
}

.service-detail-item:last-child {
    margin-bottom: 0;
}

.service-detail-item.reverse {
    flex-direction: row-reverse;
}

.service-image {
    flex: 1;
    min-width: 300px;
    height: 405px;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.service-info {
    flex: 1;
    min-width: 300px;
    padding: 40px;
}

.service-info h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-info p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    margin-bottom: 10px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
}

.service-features li i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 1.2rem;
}

/* 服务流程样式 */
.service-process {
    padding: 80px 0;
    background-color: var(--white-color);
}

.process-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    position: relative;
}

.process-list::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 50px;
    right: 50px;
    height: 3px;
    background-color: var(--primary-color);
    z-index: 0;
}

.process-item {
    text-align: center;
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    position: relative;
    z-index: 1;
}

.process-number {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    color: var(--white-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0 auto 20px;
    box-shadow: 0 10px 20px rgba(76, 95, 119, 0.2);
}

.process-item h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.process-item p {
    font-size: 1rem;
    color: #555;
}

/* 联系咨询样式 */
.contact-us {
    padding: 80px 0;
    background-color: var(--primary-color);
    color: var(--white-color);
    text-align: center;
}

.contact-us .section-title {
    color: var(--white-color);
}

.contact-us .section-title::after {
    background-color: var(--white-color);
}

.contact-text {
    max-width: 800px;
    margin: 0 auto 40px;
    font-size: 1.2rem;
    line-height: 1.8;
}

.contact-btn {    display: inline-block;    padding: 15px 30px;    background-color: var(--orange-color);    color: var(--white-color);    font-size: 1.2rem;    font-weight: bold;    border-radius: 5px;    transition: var(--transition);    text-decoration: none;}

.contact-btn:hover {    background-color: var(--primary-color);    transform: translateY(-5px);    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);}

/* 新闻分类样式 */
.news-categories {
    padding-top: 40px;
    background-color: var(--white-color);
}

.category-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.tab-btn {
    padding: 10px 20px;
    background-color: var(--secondary-color);
    border: none;
    border-radius: 5px;
    color: var(--dark-color);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover, .tab-btn.active {    background-color: var(--orange-color);    color: var(--white-color);}

/* 新闻列表样式 */
.news-section {
    padding: 40px 0 80px;
    background-color: var(--white-color);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.news-item {
    background-color: var(--white-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

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

.news-image {
    height: 220px;
    position: relative;
}

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

.news-date {    position: absolute;    top: 20px;    left: 20px;    background-color: var(--orange-color);    color: var(--white-color);    padding: 10px;    border-radius: 5px;    text-align: center;    min-width: 60px;}

.news-date .day {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    line-height: 1;
}

.news-date .month {
    display: block;
    font-size: 0.9rem;
}

.news-content {
    padding: 25px;
}

.news-category {
    display: inline-block;
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.news-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    line-height: 1.4;
    color: var(--primary-color);
}

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

.read-more {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.read-more i {
    margin-left: 5px;
    transition: var(--transition);
}

.read-more:hover {    color: var(--orange-color);}

.read-more:hover i {
    transform: translateX(5px);
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.pagination a {
    display: inline-block;
    padding: 8px 15px;
    background-color: var(--secondary-color);
    color: var(--dark-color);
    border-radius: 5px;
    text-decoration: none;
    transition: var(--transition);
}

.pagination a.active, .pagination a:hover {    background-color: var(--orange-color);    color: var(--white-color);}

.pagination a.next {
    padding: 8px 20px;
}

.pagination a.next i {
    margin-left: 5px;
}

/* 订阅样式 */
.subscribe-section {
    padding: 80px 0;
    background-color: var(--primary-color);
    color: var(--white-color);
    text-align: center;
}

.subscribe-section .section-title {
    color: var(--white-color);
}

.subscribe-section .section-title::after {
    background-color: var(--white-color);
}

.subscribe-section p {
    max-width: 700px;
    margin: 0 auto 30px;
    font-size: 1.1rem;
}

.subscribe-form {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
}

.subscribe-form input {
    flex: 1;
    padding: 15px;
    border: none;
    border-radius: 5px 0 0 5px;
    font-size: 1rem;
    outline: none;
}

.subscribe-form button {
    padding: 0 30px;
    background-color: var(--dark-color);
    color: var(--white-color);
    border: none;
    border-radius: 0 5px 5px 0;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.subscribe-form button:hover {
    background-color: #222;
}

/* 联系信息部分样式 */
.contact-info-section {
    padding: 80px 0;
    background-color: var(--white-color);
}

.contact-info-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}

.contact-info-item {
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    background-color: var(--white-color);
    padding: 40px 30px;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

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

.contact-icon {    width: 80px;    height: 80px;    margin: 0 auto 20px;    background-color: var(--orange-color);    color: var(--white-color);    border-radius: 50%;    display: flex;    align-items: center;    justify-content: center;    font-size: 2rem;}

.contact-info-item h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

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

.contact-info-item p:last-child {
    margin-bottom: 0;
}

/* 联系表单样式 */
.contact-form-section {
    padding: 80px 0;
    background-color: var(--secondary-color);
}

.contact-form-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    align-items: center;
    background-color: var(--white-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-content {
    flex: 1;
    min-width: 300px;
    padding: 50px;
}

.form-content h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

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

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

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    color: #555;
    outline: none;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(76, 95, 119, 0.2);
}

.submit-btn {    background-color: var(--orange-color);    color: var(--white-color);    border: none;    border-radius: 5px;    padding: 12px 30px;    font-size: 1.1rem;    font-weight: 600;    cursor: pointer;    transition: var(--transition);}

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

.company-image {
    flex: 1;
    min-width: 300px;
    height: 600px;
}

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

/* 地图样式 */
.map-section {
    padding: 80px 0;
    background-color: var(--white-color);
}

.map-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

/* FAQ样式 */
.faq-section {
    padding: 80px 0;
    background-color: var(--secondary-color);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--white-color);
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.faq-question {
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin: 0;
}

.faq-toggle {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-question {    background-color: var(--orange-color);}

.faq-item.active .faq-question h3,
.faq-item.active .faq-toggle {
    color: var(--white-color);
}

.faq-item.active .faq-answer {
    padding: 0 30px 20px;
    max-height: 1000px;
}

.faq-answer p {
    margin: 0;
    line-height: 1.8;
    color: #666;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: var(--white-color);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

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

    .hamburger {
        display: block;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-swiper {
        height: 50vh;
    }

    .slide-content {
        padding: 30px;
    }

    .slide-content h2 {
        font-size: 2rem;
    }

    .slide-content p {
        font-size: 1rem;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 60px;
        padding-right: 20px;
    }

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

    .timeline-item:nth-child(odd) .timeline-dot,
    .timeline-item:nth-child(even) .timeline-dot {
        left: 11px;
    }

    .process-list::before {
        display: none;
    }

    .service-detail-item, .service-detail-item.reverse {
        flex-direction: column;
    }

    .service-image {
        height: 300px;
    }

    .news-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }

    .company-image {
        height: 400px;
    }

    .form-content {
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .company-name {
        font-size: 1.2rem;
    }

    .logo {
        width: 50px;
    }

    .hero-swiper {
        height: 40vh;
    }

    .slide-content h2 {
        font-size: 1.8rem;
    }

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

    .service-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .page-banner {
        height: 200px;
    }

    .banner-content h1 {
        font-size: 2.2rem;
    }

    .banner-content p {
        font-size: 1rem;
    }

    .service-info {
        padding: 30px;
    }

    .service-info h3 {
        font-size: 1.5rem;
    }

    .category-icon {
        width: 100px;
        height: 100px;
    }

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

    .subscribe-form {
        flex-direction: column;
        width: 90%;
    }

    .subscribe-form input {
        border-radius: 5px;
        margin-bottom: 10px;
    }

    .subscribe-form button {
        border-radius: 5px;
        padding: 15px;
    }

    .contact-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }

    .contact-info-item h3 {
        font-size: 1.3rem;
    }

    .form-content h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {    .company-name {        font-size: 1rem;    }    .logo {        width: 40px;    }    .hero-swiper {        height: 35vh;    }    .slide-content {        padding: 20px;    }    .slide-content h2 {        font-size: 1.5rem;    }    .slide-content p {        font-size: 0.9rem;    }    .section-title {        font-size: 1.8rem;    }        .service-grid {        grid-template-columns: repeat(2, 1fr);        gap: 15px;    }    .page-banner {        height: 180px;    }    .banner-content h1 {        font-size: 1.8rem;    }

    .service-image {
        height: 250px;
    }

    .process-number {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

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

    .category-tabs {
        gap: 10px;
    }

    .tab-btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }

    .company-image {
        height: 300px;
    }

    .faq-question {
        padding: 15px 20px;
    }

    .faq-question h3 {
        font-size: 1.1rem;
    }

    .faq-answer {
        padding: 0 20px;
    }

    .faq-item.active .faq-answer {
        padding: 0 20px 15px;
    }
}

@media (min-width: 768px) {
    .service-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
        max-width: 1100px;
        margin: 0 auto;
    }
}

@media (min-width: 992px) {
    .service-categories {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
        max-width: 1100px;
        margin: 0 auto;
    }
    
    .category-item {
        min-width: auto;
        max-width: none;
        padding: 20px 15px;
    }
    
    .category-icon {
        width: 100px;
        height: 100px;
        margin: 0 auto 15px;
    }
}

@media (min-width: 1200px) {
    .case-grid {
        grid-template-columns: repeat(8, 1fr);
    }
}

@media (min-width: 992px) and (max-width: 1199px) {
    .case-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 576px) and (max-width: 991px) {
    .case-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .case-image {
        height: 120px;
    }
}

@media (max-width: 575px) {
    .case-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-image {
        height: 100px;
    }
}

/* 业务模块样式 */
.services-section {    padding: 80px 0;    background-color: var(--secondary-color);}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.service-item {
    background-color: var(--white-color);
    border-radius: 10px;
    padding: 5px 10px 15px;
    text-align: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.03);
    transition: var(--transition);
}

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

.service-icon {
    width: 300px;
    height: 300px;
    margin: 0 auto;
    padding-top: 0;
    margin-bottom: 0;
}

.service-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.service-item h3 {
    font-size: 1.3rem;
    color: rgb(231,141,35);
    margin-top: 0;
    margin-bottom: 15px;
}