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

/* 基础样式 */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: #2563eb;
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #2563eb;
}

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

.bar {
    width: 25px;
    height: 3px;
    background: #374151;
    margin: 3px 0;
    transition: 0.3s;
}

/* 主视觉区 */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(45deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

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

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

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

.hero-image {
    position: relative;
}

.hero-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* 通用区块样式 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

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

/* 公司简介预览 */
.about-preview {
    padding: 80px 0;
    background: #f9fafb;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.about-text p {
    margin-bottom: 2rem;
    color: #4b5563;
    line-height: 1.7;
}

.stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #6b7280;
    font-weight: 500;
}

.about-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 服务预览 */
.services-preview {
    padding: 80px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
    border-radius: 12px;
    overflow: hidden;
}

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

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.service-card p {
    color: #4b5563;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-card ul {
    list-style: none;
}

.service-card li {
    color: #6b7280;
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

/* 技术优势 */
.tech-advantages {
    padding: 80px 0;
    background: #f9fafb;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.tech-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

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

.tech-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
}

.tech-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tech-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

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

/* 客户评价 */
.testimonials {
    padding: 80px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-left: 4px solid #2563eb;
}

.testimonial-content p {
    font-style: italic;
    color: #4b5563;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-info h4 {
    font-weight: 600;
    color: #1f2937;
}

.author-info p {
    color: #6b7280;
    font-size: 0.9rem;
}

/* 联系我们预览 */
.contact-preview {
    padding: 80px 0;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
}

.contact-content {
    text-align: center;
}

.contact-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.contact-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #f9fafb;
}

.footer-section p {
    color: #d1d5db;
    margin-bottom: 1rem;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #60a5fa;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    padding: 0.5rem 1rem;
    background: #374151;
    border-radius: 6px;
    transition: background 0.3s ease;
}

.social-link:hover {
    background: #4b5563;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .stats {
        justify-content: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .contact-info {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .stats {
        flex-direction: column;
        gap: 1rem;
    }
}

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

.service-card,
.tech-item,
.testimonial-card {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动效果 */
html {
    scroll-behavior: smooth;
}


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

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.company-intro {
    padding: 80px 0;
}

.intro-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.intro-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 2rem;
}

.intro-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #4b5563;
    margin-bottom: 1.5rem;
}

.intro-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.mission-vision {
    padding: 80px 0;
    background: #f9fafb;
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.mv-item {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.mv-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
}

.mv-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mv-item h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.mv-item p {
    color: #4b5563;
    line-height: 1.7;
}

.timeline {
    padding: 80px 0;
}

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

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

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
}

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

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

.timeline-year {
    background: #2563eb;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
    z-index: 2;
}

.timeline-content {
    background: white;
    padding: 1.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin: 0 2rem;
    flex: 1;
}

.timeline-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

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

.team {
    padding: 80px 0;
    background: #f9fafb;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.team-member {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.member-photo {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #e5e7eb;
}

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

.team-member h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.member-title {
    color: #2563eb;
    font-weight: 500;
    margin-bottom: 1rem;
}

.member-desc {
    color: #6b7280;
    line-height: 1.6;
    font-size: 0.9rem;
}

.culture {
    padding: 80px 0;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.culture-item {
    text-align: center;
    padding: 2rem;
}

.culture-item h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
    position: relative;
}

.culture-item h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: #2563eb;
}

.culture-item p {
    color: #4b5563;
    line-height: 1.7;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .intro-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .intro-text h2 {
        font-size: 2rem;
    }
    
    .timeline-container::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 60px;
    }
    
    .timeline-year {
        position: absolute;
        left: 0;
        margin: 0;
    }
    
    .timeline-content {
        margin: 0;
    }
    
    .mv-grid,
    .team-grid,
    .culture-grid {
        grid-template-columns: 1fr;
    }
}


/* 业务介绍页面样式 */
.services-overview {
    padding: 80px 0;
}

.service-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.service-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.service-list {
    list-style: none;
    margin-top: 1.5rem;
}

.service-list li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.tech-architecture {
    padding: 80px 0;
    background: #f9fafb;
}

.architecture-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.architecture-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin: 2rem 0 1rem 0;
}

.architecture-text h3:first-child {
    margin-top: 0;
}

.architecture-text p {
    color: #4b5563;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.architecture-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-process {
    padding: 80px 0;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.process-step {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: #2563eb;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.process-step h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.process-step p {
    color: #6b7280;
    line-height: 1.6;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.advantage-item {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

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

.advantage-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
    border-radius: 12px;
    overflow: hidden;
}

.advantage-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.advantage-item h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.advantage-item p {
    color: #4b5563;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.advantage-details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.advantage-details span {
    background: #e5e7eb;
    color: #374151;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

.industry-solutions {
    padding: 80px 0;
    background: #f9fafb;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.solution-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

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

.solution-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.solution-card p {
    color: #4b5563;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.solution-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.solution-features span {
    background: #dbeafe;
    color: #1d4ed8;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

/* 成功案例页面样式 */
.case-stats {
    padding: 60px 0;
    background: #f9fafb;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.featured-cases {
    padding: 80px 0;
}

.case-item {
    margin-bottom: 4rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.case-item.featured {
    border: 2px solid #2563eb;
}

.case-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
}

.case-text {
    padding: 3rem;
}

.case-category {
    background: #dbeafe;
    color: #1d4ed8;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 1rem;
}

.case-text h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.case-description {
    color: #4b5563;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.case-highlights {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.highlight-item {
    text-align: center;
}

.highlight-item h4 {
    font-size: 0.9rem;
    color: #6b7280;
    margin-bottom: 0.5rem;
}

.highlight-item p {
    font-weight: 600;
    color: #1f2937;
}

.case-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.case-features span {
    background: #f3f4f6;
    color: #374151;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

.case-image {
    height: 400px;
    overflow: hidden;
}

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

.more-cases {
    padding: 80px 0;
    background: #f9fafb;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.case-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

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

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

.case-card-content {
    padding: 1.5rem;
}

.case-card-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.case-card-content p {
    color: #4b5563;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.case-metrics {
    display: flex;
    gap: 1rem;
}

.case-metrics span {
    background: #ecfdf5;
    color: #065f46;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

.client-testimonials {
    padding: 80px 0;
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-item {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-left: 4px solid #2563eb;
}

.testimonial-item .testimonial-content p {
    font-style: italic;
    color: #4b5563;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.testimonial-item .testimonial-author h4 {
    font-weight: 600;
    color: #1f2937;
}

.testimonial-item .testimonial-author p {
    color: #6b7280;
    font-size: 0.9rem;
}

/* 联系我们页面样式 */
.contact-info {
    padding: 80px 0;
    background: #f9fafb;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-item {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.contact-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
}

.contact-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.contact-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.contact-item p {
    color: #4b5563;
    margin-bottom: 0.5rem;
}

.contact-item span {
    color: #6b7280;
    font-size: 0.9rem;
}

.contact-form {
    padding: 80px 0;
}

.form-container {
    max-width: 1000px;
    margin: 0 auto;
}

.form-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.form-text h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.form-text p {
    color: #4b5563;
    margin-bottom: 2rem;
}

.form-benefits {
    space-y: 1.5rem;
}

.benefit-item {
    margin-bottom: 1.5rem;
}

.benefit-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

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

.contact-form-fields {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: #374151;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: #ef4444;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
}

.location-map {
    padding: 80px 0;
    background: #f9fafb;
}

.map-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    align-items: start;
}

.map-placeholder {
    position: relative;
    height: 400px;
    border-radius: 16px;
    overflow: hidden;
}

.map-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.map-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 1.5rem;
}

.map-overlay h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.map-overlay p {
    margin-bottom: 0.25rem;
}

.location-details h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.transport-info,
.nearby-info {
    margin-bottom: 2rem;
}

.transport-item {
    margin-bottom: 1rem;
}

.transport-item h4 {
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.25rem;
}

.transport-item p {
    color: #6b7280;
}

.nearby-info p {
    color: #6b7280;
    margin-bottom: 0.5rem;
}

.faq {
    padding: 80px 0;
}

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

.faq-item {
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 1rem;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    cursor: pointer;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: #2563eb;
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2563eb;
}

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

.faq-item.open .faq-answer {
    max-height: 200px;
    padding-bottom: 1.5rem;
}

.faq-answer p {
    color: #4b5563;
    line-height: 1.7;
}

/* 消息提示样式 */
.success-message,
.error-message {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    max-width: 400px;
}

.success-message {
    border-left: 4px solid #10b981;
}

.error-message {
    border-left: 4px solid #ef4444;
}

.message-content h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
}

.message-content p {
    margin: 0;
    color: #6b7280;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .service-card.featured {
        grid-column: span 1;
    }
    
    .architecture-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .case-content {
        grid-template-columns: 1fr;
    }
    
    .case-image {
        order: -1;
        height: 250px;
    }
    
    .case-highlights {
        justify-content: center;
    }
    
    .form-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .map-container {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}