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

body {
    font-family: 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo img {
    height: 80px;
}

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

.nav-menu li a {
    color: #333;
    text-decoration: none;
    padding: 10px 20px;
    transition: color 0.3s;
}

.nav-menu li a:hover {
    color: #007bff;
}

.nav-toggle {
    display: none;
}

/* 首页横幅样式 */
.hero {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('hero-bg.jpg');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: #fff;
    padding-top: 80px;
}

.hero h1 {
    font-size: 3em;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2em;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    background: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}

.cta-button:hover {
    background: #0056b3;
}

/* 服务部分样式 */
.services {
    padding: 80px 0;
    background: #f8f9fa;
    position: relative;
    overflow: hidden;
}

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

.service-card {
    background: #fff;
    padding: 30px;
    border-radius: 5px;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-card i {
    font-size: 3em;
    color: #007bff;
    margin-bottom: 20px;
}

/* 关于我们样式 */
.about {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

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

.about-text ul {
    list-style: none;
    margin-top: 20px;
}

.about-text ul li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.about-text ul li:before {
    content: "•";
    color: #007bff;
    position: absolute;
    left: 0;
}

.about-image img {
    width: 100%;
    border-radius: 5px;
}

/* 案例展示样式 */
.cases {
    padding: 80px 0;
    background: #f8f9fa;
    position: relative;
    overflow: hidden;
}

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

.case-card {
    background: #fff;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

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

.case-card h3, .case-card p {
    padding: 20px;
}

/* 联系我们样式 */
.contact {
    padding: 80px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
}

.contact-info i {
    color: #007bff;
    margin-right: 10px;
}

.contact-form {
    display: grid;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.contact-form textarea {
    height: 150px;
}

.contact-form button {
    padding: 15px;
    background: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.contact-form button:hover {
    background: #0056b3;
}

/* 页脚样式 */
.footer {
    background: #333;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
        cursor: pointer;
    }

    .nav-toggle span {
        display: block;
        width: 25px;
        height: 3px;
        background: #333;
        margin: 5px 0;
        transition: 0.3s;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #fff;
        padding: 20px;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }

    .nav-menu.active {
        display: block;
    }

    .service-grid,
    .case-grid {
        grid-template-columns: 1fr;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2em;
    }
}

/* 通用标题样式 */
h2 {
    text-align: center;
    margin-bottom: 40px;
    color: #333;
    position: relative;
}

h2:after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: #007bff;
    margin: 20px auto;
}

/* 添加云彩背景效果 */
.cloud-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e0f7fa 0%, #b2ebf2 100%);
    opacity: 0.1;
    z-index: -1;
}

/* 轮播图样式 */
.hero-swiper {
    width: 90%;
    height: 60vh;
    margin-top: 70px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.main-swiper {
    width: 100%;
    height: 100%;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.swiper-slide {
    width: 100%;
    height: 100%;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.slide-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    color: #fff;
    text-align: center;
    width: 100%;
    max-width: 800px;
    padding: 0 20px;
}

.slide-content h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    margin-left: auto;
    margin-right: auto;
    width: fit-content;
}

.slide-content p {
    font-size: 1.2em;
    margin-bottom: 25px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    margin-left: auto;
    margin-right: auto;
    width: fit-content;
}

/* 调整导航按钮位置和大小 */
.swiper-button-next,
.swiper-button-prev {
    width: 50px;
    height: 50px;
    color: #fff;
}

/* 调整分页器位置 */
.swiper-pagination {
    bottom: 30px !important;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-swiper {
        width: 95%;
        height: 45vh;
    }
    
    .slide-content h1 {
        font-size: 1.8em;
    }
    
    .slide-content p {
        font-size: 1em;
    }
}

/* 特色卡片样式 */
.feature-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #4FC3F7, #0288D1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 2em;
    color: #fff;
}

/* 解决方案卡片样式 */
.solution-card {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.solution-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s;
}

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

.solution-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: #fff;
}

/* 渐变背景和云彩效果 */
.services::before,
.about::before,
.cases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('images/cloud-pattern.png') repeat;
    opacity: 0.1;
    z-index: -1;
}

/* 联系页面样式 */
.contact-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    padding: 40px;
}

/* 联系信息样式 */
.contact-info {
    padding: 30px;
    background: linear-gradient(135deg, #0056b3 0%, #007bff 100%);
    border-radius: 10px;
    color: #fff;
}

.contact-info h2 {
    color: #fff;
    margin-bottom: 30px;
    text-align: left;
}

.contact-info h2:after {
    margin: 20px 0;
    background: #fff;
}

.info-items {
    display: grid;
    gap: 25px;
}

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

.info-item i {
    font-size: 24px;
    color: #fff;
}

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

/* 社交媒体链接 */
.social-links {
    margin-top: 40px;
}

.social-icons {
    display: flex;
    gap: 20px;
    margin-top: 15px;
}

.social-icons a {
    color: #fff;
    font-size: 24px;
    transition: transform 0.3s;
}

.social-icons a:hover {
    transform: translateY(-5px);
}

/* 联系表单样式 */
.contact-form {
    padding: 20px;
}

.contact-form h2 {
    text-align: left;
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #007bff;
    outline: none;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: #007bff;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.submit-btn:hover {
    background: #0056b3;
}

/* 更新地图相关样式 */
.map-wrapper {
    position: relative;
    margin-top: 30px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.static-map {
    width: 100%;
    height: auto;
    display: block;
}

.map-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 15px;
}

.map-overlay p {
    margin: 0;
    text-align: center;
    font-size: 16px;
}

.map-overlay i {
    color: #ff4444;
    margin-right: 8px;
}

/* 视频背景样式 */
.hero-video {
    position: relative;
    height: 100vh;
    overflow: hidden;
}

.hero-video video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding-top: 40vh;
    color: #fff;
}

.hero-content h1 {
    font-size: 3em;
    margin-bottom: 20px;
    line-height: 1.4;
}

.hero-content p {
    font-size: 1.2em;
    margin-bottom: 30px;
    line-height: 1.8;
}

/* 数据统计样式 */
.statistics {
    padding: 80px 0;
    background: #f8f9fa;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 20px;
}

.stat-item h3 {
    font-size: 2em;
    color: #007bff;
    margin-bottom: 10px;
}

/* 企业资质样式 */
.qualifications {
    padding: 80px 0;
    background: #fff;
}

.qual-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.qual-item {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: transform 0.3s;
}

.qual-item:hover {
    transform: translateY(-10px);
}

.qual-item i {
    font-size: 3em;
    color: #007bff;
    margin-bottom: 20px;
}

/* 解决方案样式 */
.solutions {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.section-desc {
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.2em;
    color: #666;
}

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

.solution-card {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.solution-card:hover {
    transform: translateY(-10px);
}

.solution-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-icon i {
    font-size: 2em;
    color: #fff;
}

/* 核心技术样式 */
.core-tech {
    padding: 80px 0;
    background: #fff;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.tech-card {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: transform 0.3s;
}

.tech-card:hover {
    transform: translateY(-10px);
}

.tech-card i {
    font-size: 3em;
    color: #007bff;
    margin-bottom: 20px;
}

/* 合作伙伴样式 */
.partners {
    padding: 80px 0;
    background: #f8f9fa;
}

.partner-logos {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
    margin-top: 40px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

    .partner-logos {
        grid-template-columns: repeat(3, 1fr);
    }

    .hero-content h1 {
        font-size: 2em;
    }

    .hero-content p {
        font-size: 1em;
    }
}

/* 服务页面样式 */
.service-intro {
    padding: 80px 0;
    background: #fff;
}

.service-content {
    max-width: 1200px;
    margin: 0 auto;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.service-item {
    display: flex;
    gap: 30px;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: transform 0.3s;
}

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

.service-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon i {
    font-size: 24px;
    color: #fff;
}

.service-detail h3 {
    margin-bottom: 15px;
    color: #333;
}

.service-detail p {
    margin-bottom: 15px;
    color: #666;
}

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

.service-detail ul li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
    color: #666;
}

.service-detail ul li:before {
    content: "•";
    color: #007bff;
    position: absolute;
    left: 0;
}

/* 开发流程样式 */
.dev-process {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.process-timeline {
    display: flex;
    justify-content: space-between;
    margin-top: 50px;
    position: relative;
}

.process-timeline:before {
    content: '';
    position: absolute;
    top: 60px;
    left: 50px;
    right: 50px;
    height: 2px;
    background: #007bff;
    z-index: 0;
}

.process-item {
    text-align: center;
    position: relative;
    z-index: 1;
    flex: 1;
}

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

.process-icon i {
    font-size: 30px;
    color: #007bff;
}

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

.process-item p {
    color: #666;
    font-size: 0.9em;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .service-grid {
        grid-template-columns: 1fr;
    }

    .service-item {
        flex-direction: column;
        text-align: center;
    }

    .service-icon {
        margin: 0 auto;
    }

    .process-timeline {
        flex-direction: column;
        gap: 30px;
    }

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

/* 软件著作权样式 */
.software-patents {
    padding: 80px 0;
    background: #fff;
}

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

.patent-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.patent-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.patent-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.patent-icon i {
    font-size: 28px;
    color: #fff;
}

.patent-card h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.2em;
}

.patent-card p {
    color: #666;
    font-size: 0.95em;
    line-height: 1.6;
}

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

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

/* 页面标题样式 */
.page-header {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('images/header-bg.jpg');
    background-size: cover;
    background-position: center;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    margin-top: 70px;
}

.page-header h1 {
    font-size: 2.5em;
    margin-bottom: 15px;
    color: #fff;
}

.page-header p {
    font-size: 1.2em;
    color: #fff;
    opacity: 0.9;
}

/* 服务页面轮播图样式 */
.service-banner {
    margin-top: 70px;
}

.service-swiper {
    height: 500px;
    width: 100%;
}

.service-swiper .swiper-slide {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 1;
}

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

.slide-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    padding: 0 20px;
}

.slide-content h1 {
    font-size: 3em;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.slide-content p {
    font-size: 1.5em;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

/* Swiper导航按钮样式 */
.service-swiper .swiper-button-next,
.service-swiper .swiper-button-prev {
    color: #fff;
}

.service-swiper .swiper-pagination-bullet {
    background: #fff;
    opacity: 0.8;
}

.service-swiper .swiper-pagination-bullet-active {
    background: #007bff;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .service-swiper {
        height: 400px;
    }

    .slide-content h1 {
        font-size: 2em;
    }

    .slide-content p {
        font-size: 1.2em;
    }
}

/* 关于我们页面样式 */
.about-banner {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('images/about-banner.jpg');
    background-size: cover;
    background-position: center;
    height: 400px;
    display: flex;
    align-items: center;
    text-align: center;
    color: #fff;
    margin-top: 70px;
}

.about-banner h1 {
    font-size: 3em;
    margin-bottom: 20px;
}

.about-banner p {
    font-size: 1.5em;
    opacity: 0.9;
}

/* 公司简介样式 */
.company-intro {
    padding: 80px 0;
    background: #fff;
}

.intro-wrapper {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
    align-items: center;
}

.intro-content h2 {
    text-align: left;
    margin-bottom: 30px;
}

.intro-content h2:after {
    margin: 20px 0;
}

.intro-text p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: #666;
}

.intro-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* 发展历程样式 */
.history {
    padding: 80px 0;
    background: #f8f9fa;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 40px auto 0;
    padding: 0 20px;
}

.timeline:before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: #007bff;
}

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

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: #007bff;
    border-radius: 50%;
}

.timeline-content {
    position: relative;
    width: calc(50% - 40px);
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

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

.timeline-item:nth-child(even) .timeline-content {
    left: calc(50% + 40px);
}

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

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

.culture-item {
    text-align: center;
    padding: 40px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: transform 0.3s;
}

.culture-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.culture-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.culture-icon i {
    font-size: 30px;
    color: #fff;
}

/* 核心优势样式 */
.advantages {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.advantage-item {
    text-align: center;
    padding: 30px;
    background: #fff;
    border-radius: 10px;
    transition: transform 0.3s;
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon i {
    font-size: 28px;
    color: #fff;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .intro-wrapper {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 768px) {
    .timeline:before {
        left: 20px;
    }

    .timeline-dot {
        left: 20px;
    }

    .timeline-content {
        width: calc(100% - 50px);
        margin-left: 50px;
    }

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

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

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

/* 人工智能通识教育页面样式 */
.edu-intro {
    padding: 60px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.intro-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.2em;
    line-height: 1.8;
    color: #333;
}

/* 面向对象和合作单位样式 */
.target-section {
    padding: 60px 0;
    background: #f8f9fa;
}

.target-grid {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 30px;
}

.target-column {
    flex: 0 1 400px;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.target-column h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
    font-size: 1.8em;
}

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

.target-list li {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.target-list li:last-child {
    margin-bottom: 0;
}

.target-list li:hover {
    transform: translateY(-2px);
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.target-list i {
    font-size: 24px;
    margin-right: 15px;
    color: #007bff;
}

.target-list span {
    font-size: 16px;
    color: #333;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .target-grid {
        flex-direction: column;
        gap: 30px;
    }

    .target-column {
        flex: none;
        width: 100%;
    }
}

/* 培训内容样式 */
.training-content {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

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

.training-card {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

.training-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.card-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon i {
    font-size: 28px;
    color: #fff;
}

/* 课程体系样式 */
.course-system {
    padding: 80px 0;
    background: #fff;
}

.course-categories {
    margin-top: 40px;
}

.course-category {
    margin-bottom: 40px;
}

.course-category h3 {
    color: #007bff;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #007bff;
}

.course-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.course-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: transform 0.3s;
}

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

.course-number {
    font-size: 24px;
    font-weight: bold;
    color: #007bff;
}

.course-info h4 {
    margin: 0;
    color: #333;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .section-grid {
        grid-template-columns: 1fr;
    }

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

    .course-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .audience-list,
    .partner-list {
        grid-template-columns: 1fr;
    }

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