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

/* 基础样式 */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.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;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

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

.nav-brand h2 {
    background: linear-gradient(135deg, #667eea 0%, #fd79a8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 24px;
    text-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

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

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

.nav-menu a:hover {
    color: #667eea;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.btn-contact {
    background: linear-gradient(135deg, #fd79a8 0%, #fdcb6e 100%);
    color: white !important;
    padding: 10px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(253, 121, 168, 0.3);
}

.btn-contact:hover {
    transform: translateY(-2px);
    color: white !important;
}

.mobile-menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: #333;
}

/* Hero区域 */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #ff9068 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #ff9068 100%);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    background-size: cover;
    z-index: -1;
    animation: aiParticles 20s linear infinite;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: white;
    max-width: 800px;
    margin: 0 auto;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-title .highlight {
    background: linear-gradient(135deg, #ffeaa7 0%, #fab1a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.9;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

.btn {
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #fd79a8 0%, #fdcb6e 100%);
    color: white;
    font-weight: 600;
    box-shadow: 0 8px 25px rgba(253, 121, 168, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(253, 121, 168, 0.5);
    background: linear-gradient(135deg, #e84393 0%, #f39c12 100%);
}

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

.btn-secondary:hover {
    background: white;
    color: #333;
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 80px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffeaa7;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.8;
}

/* 通用section样式 */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #333;
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* 服务区域 */
.services {
    background: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.service-card {
    background: white;
    padding: 40px;
    border-radius: 25px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    text-align: center;
    border: 1px solid rgba(253, 121, 168, 0.1);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 25px 70px rgba(253, 121, 168, 0.25);
    border-color: rgba(253, 121, 168, 0.3);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #fd79a8 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 2rem;
    color: white;
    box-shadow: 0 10px 30px rgba(253, 121, 168, 0.3);
    transition: all 0.3s ease;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.service-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.service-card li {
    padding: 8px 0;
    color: #555;
    position: relative;
    padding-left: 20px;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* 案例区域 */
.cases {
    background: white;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.case-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border: 1px solid rgba(253, 121, 168, 0.1);
}

.case-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 70px rgba(253, 121, 168, 0.2);
    border-color: rgba(253, 121, 168, 0.3);
}

.case-image {
    height: 250px;
    overflow: hidden;
}

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

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

.case-content {
    padding: 30px;
}

.case-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.case-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.case-tags span {
    background: linear-gradient(135deg, #fd79a8 0%, #fdcb6e 100%);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 3px 10px rgba(253, 121, 168, 0.3);
}

/* 团队介绍区域 */
.team-intro {
    background: #f8f9fa;
}

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

.team-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: #333;
}

.team-description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 40px;
}

.team-highlights {
    margin-bottom: 40px;
}

.highlight-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    font-weight: 500;
    color: #333;
}

.highlight-item i {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
}

.team-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.team-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* 使命区域 */
.mission {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #fd79a8 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.mission h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
}

.mission-text {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 60px;
    line-height: 1.8;
    opacity: 0.9;
}

.mission-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.value-item {
    padding: 30px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    backdrop-filter: blur(15px);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.value-item:hover {
    transform: translateY(-8px) scale(1.02);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.value-item i {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #ffeaa7;
}

.value-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.value-item p {
    opacity: 0.8;
    line-height: 1.6;
}

/* 联系我们区域 */
.contact {
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-item i {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: #333;
}

.contact-item p {
    color: #666;
    line-height: 1.6;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: #333;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* 页脚 */
.footer {
    background: #2c3e50;
    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,
.footer-section h4 {
    margin-bottom: 20px;
    color: white;
}

.footer-section h3 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #ffeaa7 0%, #fab1a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.6;
    margin-bottom: 10px;
}

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

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

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #ffeaa7;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 20px;
    text-align: center;
    color: #bdc3c7;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.back-to-top.show {
    display: flex;
}

/* 工具类 */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease;
}

.fade-in {
    animation: fadeIn 0.8s ease;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .team-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .mission-values {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
}

/* 案例页面特定样式 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.nav-menu .active {
    color: #667eea;
    font-weight: 600;
}

.nav-menu .active::after {
    width: 100%;
}

/* 案例筛选 */
.case-filter {
    padding: 40px 0;
    background: #f8f9fa;
}

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

.filter-btn {
    padding: 12px 24px;
    border: 2px solid #667eea;
    background: white;
    color: #667eea;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

/* 案例展示 */
.cases-showcase {
    padding: 80px 0;
    background: white;
}

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

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.case-card:hover .case-overlay {
    opacity: 1;
}

.case-actions {
    text-align: center;
}

.btn-view {
    background: linear-gradient(135deg, #ffeaa7 0%, #fab1a0 100%);
    color: #333;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-view:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 234, 167, 0.4);
}

.case-category {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 15px;
}

.case-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.stat {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #666;
}

.stat i {
    color: #667eea;
}

/* 案例详情弹窗 */
.case-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    padding: 20px;
}

.case-modal .modal-content {
    background: white;
    border-radius: 20px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideIn 0.3s ease;
}

.case-detail {
    padding: 30px;
}

.case-detail-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.case-detail-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 15px;
}

.case-basic-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.info-item {
    display: flex;
    align-items: center;
}

.info-item label {
    font-weight: 600;
    color: #333;
    min-width: 80px;
}

.info-item span {
    color: #666;
}

.case-description,
.case-features,
.case-technologies,
.case-results,
.case-images,
.case-contact {
    margin-bottom: 30px;
}

.case-detail h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.case-features ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
}

.case-features li {
    padding: 8px 0;
    color: #555;
    position: relative;
    padding-left: 20px;
}

.case-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

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

.tech-tag {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

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

.result-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
}

.result-item i {
    color: #28a745;
    font-size: 1.2rem;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.gallery-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-image:hover {
    transform: scale(1.05);
}

.case-contact {
    text-align: center;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 15px;
}

.case-contact h4 {
    color: #333;
    margin-bottom: 10px;
}

.case-contact p {
    color: #666;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .case-detail-header {
        grid-template-columns: 1fr;
    }
    
    .case-features ul {
        grid-template-columns: 1fr;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .image-gallery {
        grid-template-columns: 1fr;
    }
    
    .filter-buttons {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .case-detail {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .service-card,
    .contact-info,
    .contact-form {
        padding: 30px 20px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .case-stats {
        flex-direction: column;
        gap: 10px;
    }
    
    .case-modal {
        padding: 10px;
    }
}

/* 团队页面特定样式 */
.team-overview {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.overview-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: #333;
}

.overview-text p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 40px;
}

.team-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat-card {
    display: flex;
    align-items: center;
    padding: 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.stat-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-right: 15px;
    flex-shrink: 0;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
}

.overview-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.overview-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* 核心团队 */
.core-team {
    padding: 80px 0;
    background: white;
}

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

.member-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.member-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.member-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid #f8f9fa;
    position: relative;
}

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

.member-info h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: #333;
}

.member-position {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 15px;
}

.member-info p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.member-skills {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.member-skills span {
    background: #f8f9fa;
    color: #667eea;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.member-contact {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.member-contact a {
    width: 40px;
    height: 40px;
    background: #f8f9fa;
    color: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none;
}

.member-contact a:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-2px);
}

/* 团队文化 */
.team-culture {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.culture-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.culture-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.culture-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 20px;
}

.culture-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.culture-card p {
    color: #666;
    line-height: 1.6;
}

/* 加入我们 */
.join-us {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.join-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.join-content p {
    font-size: 1.2rem;
    margin-bottom: 50px;
    opacity: 0.9;
}

.positions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.position-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.position-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.position-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.position-requirements {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.position-requirements span {
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* 表单样式增强 */
.form-group select {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    font-family: inherit;
    background: white;
}

.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .overview-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .team-stats {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .culture-grid {
        grid-template-columns: 1fr;
    }
    
    .positions {
        grid-template-columns: 1fr;
    }
    
    .overview-text h2 {
        font-size: 2rem;
    }
    
    .join-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .member-card {
        padding: 20px;
    }
    
    .culture-card {
        padding: 30px 20px;
    }
    
    .position-card {
        padding: 20px;
    }
    
    .member-skills {
        justify-content: center;
    }
    
    .position-requirements {
        justify-content: center;
    }
}

/* 服务页面特定样式 */
.services-overview {
    padding: 80px 0;
    background: #f8f9fa;
}

.service-highlights {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #667eea;
    font-weight: 500;
}

.highlight-item i {
    font-size: 1.2rem;
}

/* 核心服务详情 */
.core-services {
    padding: 80px 0;
    background: white;
}

.service-detail-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
}

.service-detail-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.service-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.service-header .service-icon {
    margin-right: 15px;
    margin-bottom: 0;
}

.service-header h3 {
    margin: 0;
    font-size: 1.5rem;
    color: #333;
}

.service-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 30px;
}

.service-features {
    margin-bottom: 30px;
}

.service-features h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

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

.service-features li {
    padding: 8px 0;
    color: #555;
    position: relative;
    padding-left: 20px;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

.service-tech {
    margin-bottom: 30px;
}

.service-tech h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-stack span {
    background: #f8f9fa;
    color: #667eea;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

.service-pricing {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.price-range {
    display: flex;
    flex-direction: column;
}

.price-label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 5px;
}

.price-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #667eea;
}

/* 服务流程 */
.service-process {
    padding: 80px 0;
    background: #f8f9fa;
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

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

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

.step-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.step-content p {
    color: #666;
    line-height: 1.6;
}

/* 为什么选择我们 */
.why-choose-us {
    padding: 80px 0;
    background: white;
}

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

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

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.advantage-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.advantage-card p {
    color: #666;
    line-height: 1.6;
}

/* FAQ样式 */
.faq-section {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.faq-item {
    background: white;
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: #f8f9fa;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
}

.faq-question i {
    color: #667eea;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

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

.faq-answer p {
    padding: 0 30px 25px;
    margin: 0;
    color: #666;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .service-highlights {
        flex-direction: column;
        gap: 15px;
    }
    
    .process-timeline {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .service-pricing {
        flex-direction: column;
        gap: 20px;
        align-items: center;
    }
    
    .tech-stack {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .service-detail-card {
        padding: 30px 20px;
    }
    
    .process-step {
        padding: 20px;
    }
    
    .advantage-card {
        padding: 20px;
    }
    
    .faq-question {
        padding: 20px;
    }
    
    .faq-answer p {
        padding: 0 20px 20px;
    }
}

/* 关于我们页面特定样式 */
.company-intro {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.intro-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: #333;
}

.intro-description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.intro-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.intro-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* 公司信息 */
.company-info {
    padding: 80px 0;
    background: white;
}

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

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

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 20px;
}

.info-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.info-card p {
    color: #666;
    line-height: 1.6;
}

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

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 50px;
    position: relative;
}

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

.timeline-item:nth-child(odd) .timeline-content {
    text-align: right;
}

.timeline-year {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    margin: 0 30px;
    position: relative;
    z-index: 2;
}

.timeline-content {
    flex: 1;
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.timeline-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.timeline-content p {
    color: #666;
    line-height: 1.6;
}

/* 企业文化 */
.company-culture {
    padding: 80px 0;
    background: white;
}

.culture-main {
    max-width: 800px;
    margin: 0 auto;
}

.mission-section,
.vision-section,
.values-section {
    margin-bottom: 50px;
}

.mission-section h3,
.vision-section h3,
.values-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #333;
    display: flex;
    align-items: center;
    gap: 10px;
}

.mission-section h3 i,
.vision-section h3 i,
.values-section h3 i {
    color: #667eea;
    font-size: 1.3rem;
}

.mission-section p,
.vision-section p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.value-item {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.value-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.value-item p {
    color: #666;
    line-height: 1.6;
}

/* 荣誉资质 */
.company-honors {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.honor-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.honor-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.honor-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 20px;
}

.honor-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.honor-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 10px;
}

.honor-card p {
    color: #666;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        margin-left: 60px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content {
        text-align: left;
    }
    
    .timeline-year {
        margin: 0 20px 0 0;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .honors-grid {
        grid-template-columns: 1fr;
    }
    
    .intro-text h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .info-card {
        padding: 20px;
    }
    
    .timeline-content {
        padding: 20px;
    }
    
    .value-item {
        padding: 20px;
    }
    
    .honor-card {
        padding: 30px 20px;
    }
    
    .honor-value {
        font-size: 2rem;
    }
}

/* AI特效动画 */

/* AI粒子动画优化 */
@keyframes aiParticles {
    0% { 
        background-position: 0% 0%, 100% 0%, 0% 100%;
        filter: hue-rotate(0deg);
    }
    33% { 
        background-position: 30% 30%, 70% 30%, 30% 70%;
        filter: hue-rotate(120deg);
    }
    66% { 
        background-position: 70% 70%, 30% 70%, 70% 30%;
        filter: hue-rotate(240deg);
    }
    100% { 
        background-position: 100% 100%, 0% 100%, 100% 0%;
        filter: hue-rotate(360deg);
    }
}

/* AI神经网络背景效果 */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.03) 50%, transparent 60%),
        linear-gradient(-45deg, transparent 40%, rgba(255, 255, 255, 0.03) 50%, transparent 60%);
    background-size: 60px 60px;
    animation: neuralNetwork 15s ease-in-out infinite;
    z-index: -1;
}

@keyframes neuralNetwork {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.05); }
}

/* AI脉冲动画 */
.service-icon {
    position: relative;
}

.service-icon::after {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid rgba(253, 121, 168, 0.3);
    border-radius: 50%;
    animation: aiPulse 2s ease-in-out infinite;
    opacity: 0;
}

@keyframes aiPulse {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.service-card:hover .service-icon::after {
    animation-play-state: running;
}

/* AI发光效果 */
@keyframes glowPulse {
    from {
        box-shadow: 0 15px 40px rgba(253, 121, 168, 0.4);
    }
    to {
        box-shadow: 0 20px 50px rgba(253, 121, 168, 0.6), 0 0 30px rgba(253, 121, 168, 0.3);
    }
}

.service-icon:hover {
    animation: glowPulse 1.5s ease-in-out infinite alternate;
}

/* 流光效果 */
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(253, 121, 168, 0.1), transparent);
    transition: left 0.5s ease;
}

.service-card:hover::before {
    left: 100%;
}

/* AI数据流动画 */
@keyframes dataFlow {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

.case-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #fd79a8, transparent);
    animation: dataFlow 3s ease-in-out infinite;
    opacity: 0;
}

.case-card:hover::after {
    opacity: 1;
}

/* 智能呼吸效果 */
@keyframes aiBreathing {
    0%, 100% {
        transform: scale(1);
        filter: brightness(1);
    }
    50% {
        transform: scale(1.02);
        filter: brightness(1.1);
    }
}

.hero-title .highlight {
    animation: aiBreathing 4s ease-in-out infinite;
    display: inline-block;
}

/* 神经网络节点效果 */
.stat-item::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 4px;
    background: rgba(253, 203, 110, 0.6);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: nodeGlow 2s ease-in-out infinite;
}

@keyframes nodeGlow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(253, 203, 110, 0.6);
    }
    50% {
        box-shadow: 0 0 20px rgba(253, 203, 110, 0.8), 0 0 30px rgba(253, 203, 110, 0.4);
    }
}

.stat-item {
    position: relative;
}