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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

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

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

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

.logo h1 {
    color: #ff6b6b;
    font-size: 24px;
    font-weight: bold;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: #ff6b6b;
}

.mobile-menu {
    display: none;
    cursor: pointer;
}

.mobile-menu span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #ff6b6b 0%, #4ecdc4 100%);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.hero h2 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: bold;
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn.primary {
    background-color: #fff;
    color: #ff6b6b;
}

.btn.primary:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.btn.secondary {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn.secondary:hover {
    background-color: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

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

.products h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.product-card {
    background-color: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.product-image {
    height: 200px;
    overflow: hidden;
}

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

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

.product-content {
    padding: 25px;
}

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

.product-content p {
    margin-bottom: 20px;
    color: #666;
}

/* 核心优势 */
.advantages {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.advantages h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

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

.advantage-item {
    text-align: center;
    padding: 30px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff6b6b 0%, #4ecdc4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #fff;
}

.advantage-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

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

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

.cases h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.case-item {
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.case-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.case-item p {
    color: #666;
}

/* 产品概览 */
.product-overview {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.product-overview h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 20px;
    color: #333;
}

.product-overview p {
    text-align: center;
    font-size: 18px;
    margin-bottom: 60px;
    color: #666;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.overview-content {
    display: flex;
    flex-wrap: wrap;
    gap: 60px;
    align-items: center;
}

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

.overview-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.overview-features {
    flex: 1;
    min-width: 300px;
}

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

.overview-features ul {
    list-style: none;
}

.overview-features li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: #666;
}

.overview-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4ecdc4;
    font-weight: bold;
    font-size: 18px;
}

/* 核心功能 */
.core-features {
    padding: 80px 0;
    background-color: #fff;
}

.core-features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.feature-item {
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff6b6b 0%, #4ecdc4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #fff;
}

.feature-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.feature-item p {
    color: #666;
}

/* 技术架构 */
.technology {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.technology h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.tech-content {
    display: flex;
    flex-wrap: wrap;
    gap: 60px;
    align-items: center;
}

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

.tech-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.tech-details {
    flex: 1;
    min-width: 300px;
}

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

.tech-details ul {
    list-style: none;
}

.tech-details li {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    color: #666;
}

.tech-details li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4ecdc4;
    font-weight: bold;
    font-size: 18px;
}

/* 市场竞争力 */
.competitive {
    padding: 80px 0;
    background-color: #fff;
}

.competitive h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

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

.competitive-item {
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.competitive-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.competitive-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.competitive-item p {
    color: #666;
}

/* 应用场景 */
.application {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.application h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

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

.app-item {
    padding: 30px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.app-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.app-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.app-item p {
    color: #666;
}

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

.case-study h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.case-study .case-item {
    max-width: 800px;
    margin: 0 auto 40px;
    padding: 40px;
    background-color: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

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

.case-study .case-item p {
    color: #666;
    line-height: 1.8;
}

/* 关于我们 */
.about {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.about h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 60px;
    align-items: center;
}

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

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

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

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

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

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

.history h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

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

.history-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: #ff6b6b;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    display: flex;
}

.timeline-year {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    background-color: #ff6b6b;
    color: #fff;
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: bold;
    z-index: 1;
}

.timeline-content {
    flex: 1;
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    margin-left: 50%;
    transform: translateX(-50%);
    width: calc(50% - 20px);
}

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

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

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

/* 团队实力 */
.team {
    padding: 80px 0;
    background-color: #fff;
}

.team h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.team-member {
    background-color: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.member-image {
    height: 300px;
    overflow: hidden;
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.team-member:hover .member-image img {
    transform: scale(1.05);
}

.member-info {
    padding: 25px;
    text-align: center;
}

.member-info h3 {
    font-size: 20px;
    margin-bottom: 5px;
    color: #333;
}

.member-info p {
    color: #666;
    margin-bottom: 10px;
}

/* 企业文化 */
.culture {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.culture h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

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

.culture-item {
    text-align: center;
    padding: 30px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.culture-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.culture-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff6b6b 0%, #4ecdc4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #fff;
}

.culture-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

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

/* 联系方式 */
.contact {
    padding: 80px 0;
    background-color: #fff;
}

.contact h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: 60px;
}

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

.contact-info h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333;
}

.contact-info p {
    margin-bottom: 20px;
    color: #666;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-form {
    flex: 1;
    min-width: 300px;
    background-color: #f8f9fa;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.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 ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ff6b6b;
}

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

/* 地图 */
.map {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.map h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.map-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.map-container img {
    width: 100%;
    height: 450px;
    object-fit: cover;
}

/* 常见问题 */
.faq {
    padding: 80px 0;
    background-color: #fff;
}

.faq h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

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

.faq-item {
    margin-bottom: 20px;
    background-color: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.faq-item h3 {
    padding: 20px;
    background-color: #fff;
    margin: 0;
    color: #333;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.faq-item h3:hover {
    background-color: #f0f0f0;
}

.faq-item p {
    padding: 20px;
    margin: 0;
    color: #666;
    border-top: 1px solid #ddd;
}

/* 页脚 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0 30px;
}

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

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

.footer-info h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #ff6b6b;
}

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

.footer-links {
    flex: 1;
    min-width: 200px;
}

.footer-links h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: #fff;
}

.footer-links ul {
    list-style: none;
}

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

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ff6b6b;
}

.footer-contact {
    flex: 1;
    min-width: 200px;
}

.footer-contact h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: #fff;
}

.footer-contact p {
    color: #ccc;
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 30px;
    text-align: center;
    color: #ccc;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: #fff;
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .mobile-menu {
        display: block;
    }

    .mobile-menu.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero h2 {
        font-size: 36px;
    }

    .hero p {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .overview-content,
    .tech-content,
    .about-content,
    .contact-content {
        flex-direction: column;
    }

    .product-grid,
    .advantage-grid,
    .case-grid,
    .feature-grid,
    .competitive-grid,
    .app-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero h2 {
        font-size: 28px;
    }

    .hero p {
        font-size: 14px;
    }

    .btn {
        padding: 10px 20px;
    }

    .products h2,
    .advantages h2,
    .cases h2,
    .product-overview h2,
    .core-features h2,
    .technology h2,
    .competitive h2,
    .application h2,
    .case-study h2,
    .about h2,
    .contact h2 {
        font-size: 28px;
    }

    .product-content,
    .advantage-item,
    .case-item,
    .feature-item,
    .competitive-item,
    .app-item,
    .case-study .case-item,
    .contact-form {
        padding: 20px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* 滚动效果 */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}