/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    font-size: 16px;
}

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

/* 导航栏样式 */
.navbar {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 70px;
}

.nav-brand h2 {
    color: #2563eb;
    font-size: 24px;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #2563eb;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    right: 0;
    height: 2px;
    background: #2563eb;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero 区域样式 */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 150px 0 100px;
    text-align: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeInUp 1s ease 0.2s forwards;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    animation: fadeInUp 1s ease 0.4s forwards;
}

.hero-buttons {
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeInUp 1s ease 0.6s forwards;
}

.contact-info {
    opacity: 0;
    animation: fadeInUp 1s ease 0.8s forwards;
}

.contact-info i {
    margin-right: 10px;
    font-size: 1.2rem;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 6px 20px;
    text-decoration: none;
    border-radius: 5px;
    /* font-weight: 600; */
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 14px;
    margin: 10px 10px 10px 0;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: white;
    color: #2563eb;
}

.btn-outline {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
}

.btn-light {
    background: white;
    color: #2563eb;
}

.btn-light:hover {
    background: #f8fafc;
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    margin: 0;
}

/* 页面头部样式 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 60px;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

/* 通用区域样式 */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #1f2937;
}

.section-header p {
    font-size: 1.2rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* 服务概览样式 */
.services-overview {
    background: #f8fafc;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.8rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #1f2937;
}

.service-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* 优势展示样式 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.advantage-item h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #1f2937;
}

.advantage-item p {
    color: #6b7280;
    line-height: 1.6;
}

/* 行业应用样式 */
.industries {
    background: #f8fafc;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.industry-item {
    background: white;
    padding: 30px 20px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
}

.industry-item:hover {
    transform: translateY(-3px);
}

.industry-item i {
    font-size: 2.5rem;
    color: #2563eb;
    margin-bottom: 15px;
}

.industry-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #1f2937;
}

.industry-item p {
    color: #6b7280;
    font-size: 0.95rem;
}

/* CTA 区域样式 */
.cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

/* 页脚样式 */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #f9fafb;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: #f9fafb;
}

.footer-section p {
    color: #9ca3af;
    line-height: 1.6;
    margin-bottom: 20px;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #2563eb;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: #9ca3af;
}

.contact-item i {
    color: #2563eb;
    width: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #374151;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: background 0.3s ease;
}

.social-links a:hover {
    background: #2563eb;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    text-align: center;
    color: #9ca3af;
}

/* 服务详情页面样式 */
.service-section {
    margin-bottom: 80px;
    padding-bottom: 60px;
    border-bottom: 1px solid #e5e7eb;
}

.service-section:last-child {
    border-bottom: none;
}

.service-header {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 40px;
}

.service-icon-large {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    flex-shrink: 0;
}

.service-info h2 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: #1f2937;
}

.service-info p {
    color: #6b7280;
    font-size: 1.1rem;
}

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

.feature-item {
    padding: 20px;
    border-radius: 10px;
    border: 1px solid #e5e7eb;
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.feature-item:hover {
    border-color: #2563eb;
    transform: translateY(-2px);
}

.feature-item i {
    font-size: 1.5rem;
    color: #2563eb;
    margin-bottom: 15px;
}

.feature-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #1f2937;
}

.feature-item p {
    color: #6b7280;
    line-height: 1.5;
}

/* 开发流程样式 */
.development-process {
    background: #f8fafc;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #1f2937;
}

.step p {
    color: #6b7280;
}

/* 案例展示样式 */
.case-filter {
    background: #f8fafc;
    padding: 40px 0;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 25px;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.filter-btn.active,
.filter-btn:hover {
    background: #2563eb;
    border-color: #2563eb;
    color: white;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.case-item {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.case-image {
    position: relative;
    overflow: hidden;
}

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

.case-item:hover .case-image img {
    transform: scale(1.05);
}

.case-overlay {
    position: absolute;
    top: 15px;
    left: 15px;
}

.case-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    background: rgba(37, 99, 235, 0.9);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
}

.case-content {
    padding: 25px;
}

.case-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #1f2937;
}

.case-content p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 15px;
}

.case-features {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.case-features span {
    font-size: 12px;
    color: #059669;
    display: flex;
    align-items: center;
    gap: 5px;
}

.case-features i {
    font-size: 10px;
}

/* 客户评价样式 */
.testimonials {
    background: #f8fafc;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.testimonial-content {
    margin-bottom: 20px;
}

.testimonial-content p {
    font-style: italic;
    color: #4b5563;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.author-info h4 {
    color: #1f2937;
    margin-bottom: 5px;
}

.author-info span {
    color: #6b7280;
    font-size: 14px;
}

.rating {
    color: #fbbf24;
    font-size: 14px;
}

/* 价格方案样式 */
.pricing-plans {
    background: #f8fafc;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: white;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.pricing-card.featured {
    transform: scale(1.05);
    border: 2px solid #2563eb;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.featured-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: #2563eb;
    color: white;
    padding: 5px 20px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #1f2937;
}

.price {
    margin-bottom: 10px;
}

.currency {
    font-size: 1.5rem;
    color: #6b7280;
    vertical-align: top;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: #2563eb;
}

.price-note {
    color: #6b7280;
    margin-bottom: 30px;
}

.pricing-features ul {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features i {
    color: #059669;
    font-size: 12px;
}

/* 自定义开发说明 */
.custom-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

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

.custom-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.8rem;
}

.custom-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #1f2937;
}

.custom-item p {
    color: #6b7280;
    line-height: 1.6;
}

/* 功能对比表 */
.feature-comparison {
    background: #f8fafc;
}

.comparison-table {
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.comparison-table th,
.comparison-table td {
    padding: 15px 20px;
    text-align: center;
    border-bottom: 1px solid #e5e7eb;
}

.comparison-table th {
    background: #f8fafc;
    font-weight: 600;
    color: #1f2937;
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
    color: #1f2937;
}

.text-success {
    color: #059669;
}

.text-muted {
    color: #9ca3af;
}

/* FAQ 样式 */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
}

.faq-question {
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background: #f8fafc;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: #e5e7eb;
}

.faq-question h4 {
    color: #1f2937;
    font-size: 1.1rem;
}

.faq-question i {
    color: #6b7280;
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 25px 20px;
    display: none;
}

.faq-answer.active {
    display: block;
}

.faq-answer p {
    color: #6b7280;
    line-height: 1.6;
}

/* 服务介绍部分样式 */
.service-intro {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.service-intro .intro-content {
    display: block;
    text-align: center;
    /* max-width: 800px; */
    margin: 0 auto;
}

.service-intro .intro-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #1f2937;
    font-weight: 700;
}

.service-intro .intro-text p {
    font-size: 1.1rem;
    color: #6b7280;
    line-height: 1.8;
    margin-bottom: 40px;
}

.service-intro .intro-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-intro .highlight-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-intro .highlight-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.service-intro .highlight-item i {
    font-size: 1.5rem;
    color: #2563eb;
    flex-shrink: 0;
}

.service-intro .highlight-item span {
    font-weight: 600;
    color: #1f2937;
    font-size: 1rem;
}

/* 关于我们页面样式 */
.company-intro {
    padding: 80px 0;
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.intro-text h2 {
    font-size: 2.2rem;
    margin-bottom: 10px;
    color: #1f2937;
}

.intro-subtitle {
    font-size: 1.2rem;
    color: #2563eb;
    margin-bottom: 20px;
    font-weight: 600;
}

.intro-text p {
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 20px;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: #f8fafc;
    border-radius: 10px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 5px;
}

.stat-label {
    color: #6b7280;
    font-size: 14px;
}

.intro-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.company-advantages {
    background: #f8fafc;
}

.advantage-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
}

.advantage-card .advantage-icon {
    margin: 0 auto 20px;
}

.advantage-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #1f2937;
}

.advantage-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* 发展历程 */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e5e7eb;
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 60px;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-year {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    position: relative;
    z-index: 2;
}

.timeline-content {
    flex: 1;
    padding: 0 40px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    padding: 25px;
    margin: 0 20px;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #1f2937;
}

.timeline-content p {
    color: #6b7280;
    line-height: 1.6;
}

/* 团队介绍 */
.team-section {
    background: #f8fafc;
}

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

.team-member {
    background: white;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-photo {
    margin-bottom: 20px;
}

.member-photo img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #2563eb;
}

.member-info h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: #1f2937;
}

.member-role {
    color: #2563eb;
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 14px;
}

.member-info p {
    color: #6b7280;
    line-height: 1.5;
    font-size: 14px;
}

/* 企业资质 */
.qualifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.qualification-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.qualification-item:hover {
    transform: translateY(-3px);
}

.qualification-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: white;
    font-size: 1.5rem;
}

.qualification-item h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: #1f2937;
}

.qualification-item p {
    color: #6b7280;
    font-size: 14px;
}

/* 联系我们页面样式 */
.contact-info {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.contact-item-large {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.contact-item-large .contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.8rem;
}

.contact-details h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #1f2937;
}

.contact-value {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2563eb;
    margin-bottom: 10px;
}

.contact-desc {
    color: #6b7280;
    margin-bottom: 20px;
    line-height: 1.6;
}

/* 咨询表单 */
.contact-form-section {
    background: #f8fafc;
    padding: 80px 0;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    padding: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.form-intro {
    text-align: center;
    margin-bottom: 40px;
}

.form-intro h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #1f2937;
}

.form-intro p {
    color: #6b7280;
    margin-bottom: 25px;
}

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

.benefit-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #059669;
    font-size: 14px;
}

.benefit-item i {
    font-size: 12px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group:nth-child(9),
.form-group:nth-child(10),
.form-group:nth-child(11) {
    grid-column: 1 / -1;
}

.form-group label {
    margin-bottom: 8px;
    color: #374151;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: #6b7280;
    font-size: 14px;
}

.checkbox-label input[type="checkbox"] {
    margin: 0;
}

/* 微信联系 */
.wechat-contact {
    padding: 80px 0;
}

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

.wechat-item {
    display: flex;
    align-items: center;
    gap: 30px;
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.qr-code img {
    width: 120px;
    height: 120px;
    border-radius: 10px;
}

.qr-info h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #1f2937;
}

.qr-info p {
    color: #6b7280;
    line-height: 1.6;
}

/* 地图区域 */
.map-section {
    background: #f8fafc;
    padding: 80px 0;
}

.map-container {
    margin-top: 40px;
}

.map-placeholder {
    background: white;
    border-radius: 15px;
    padding: 60px 40px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.map-content i {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 20px;
}

.map-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #1f2937;
}

.map-content p {
    color: #6b7280;
    margin-bottom: 30px;
}

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

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #6b7280;
}

.info-item i {
    color: #2563eb;
    font-size: 1rem;
}

/* 服务时间 */
.service-hours {
    padding: 80px 0;
}

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

.hours-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.hours-item:hover {
    transform: translateY(-3px);
}

.hours-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: white;
    font-size: 1.3rem;
}

.hours-item h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #1f2937;
}

.hours-item p {
    color: #6b7280;
    line-height: 1.5;
    font-size: 14px;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar .container {
        padding: 0 15px;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px 0;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .services-grid,
    .advantages-grid,
    .industries-grid,
    .cases-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .service-header {
        flex-direction: column;
        text-align: center;
    }
    
    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .service-intro .intro-highlights {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .company-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-intro .intro-highlights {
        grid-template-columns: 1fr;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: row;
        padding-left: 60px;
    }
    
    .timeline-item:nth-child(odd) {
        flex-direction: row;
    }
    
    .timeline-year {
        position: absolute;
        left: 0;
    }
    
    .timeline-content {
        margin: 0 0 0 20px;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .form-container {
        padding: 30px 20px;
        margin: 0 15px;
    }
    
    .wechat-item {
        flex-direction: column;
        text-align: center;
    }
    
    .map-info {
        flex-direction: column;
        gap: 15px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        margin: 5px 0;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .page-header h1 {
        font-size: 1.8rem;
    }
    
    .company-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .filter-tabs {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 8px 15px;
        font-size: 12px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .comparison-table {
        font-size: 14px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 10px 8px;
    }
}