/* 页面通用样式 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 0 3rem;
    margin-top: 70px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    pointer-events: none;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
    font-weight: 300;
    letter-spacing: 2px;
}

/* 简介文本 */
.intro-section, .services-intro, .solutions-intro, .cases-intro, .tech-intro, .contact-intro {
    padding: 3rem 0;
    background: var(--background-light);
}

.intro-text {
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: center;
    color: var(--text-secondary);
    max-width: 900px;
    margin: 0 auto;
}

/* 首页新增样式 */
.intro-section {
    padding: 4rem 0;
    background: var(--background-white);
}

.intro-content {
    max-width: 1000px;
    margin: 0 auto;
}

.intro-text-main {
    text-align: center;
    margin-bottom: 2.5rem;
}

.intro-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.intro-text-main h2 {
    font-size: 2.2rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.intro-description {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-secondary);
    max-width: 900px;
    margin: 0 auto;
}

.intro-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.stat-box {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--background-light);
    border-radius: 15px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stat-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.stat-box:hover::before {
    transform: scaleX(1);
}

.stat-box:hover {
    background: white;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    transform: translateY(-8px);
}

.stat-box .stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.stat-box .stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
}

.intro-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* 服务预览 */
.services-preview {
    padding: 3rem 0;
    background: var(--background-white);
}

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

.service-card-preview {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.service-card-preview:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.service-card-preview .service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card-preview h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.service-card-preview p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 解决方案预览 */
.solutions-preview {
    padding: 3rem 0;
    background: var(--background-light);
}

.solutions-grid-preview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.solution-card {
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.solution-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    flex-shrink: 0;
}

.solution-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.solution-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.solution-num {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.8rem;
}

.solution-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
    line-height: 1.3;
}

.solution-content p {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.9rem;
    flex: 1;
}

/* 响应式：平板 */
@media (max-width: 1024px) {
    .solutions-grid-preview {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 响应式：手机 */
@media (max-width: 768px) {
    .solutions-grid-preview {
        grid-template-columns: 1fr;
    }
    
    .solution-image {
        height: 200px;
    }
    
    .solution-content {
        padding: 2rem;
    }
    
    .solution-content h3 {
        font-size: 1.3rem;
    }
    
    .solution-content p {
        font-size: 1rem;
    }
}

/* 案例预览 */
.cases-preview {
    padding: 3rem 0;
    background: var(--background-white);
}

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

.case-card-preview {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.case-card-preview:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.case-category {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.case-card-preview h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.case-card-preview p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.case-result {
    display: flex;
    gap: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.case-result span {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 600;
}

/* 查看更多按钮 */
.view-more {
    text-align: center;
    margin-top: 3rem;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

/* 合作伙伴 */
.partners-section {
    padding: 3rem 0;
    background: var(--background-light);
}

.partners-text {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.partners-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* CTA区域 */
.cta-section {
    padding: 3.5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

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

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.1rem;
}

/* 关于我们页面 */
.about-intro {
    padding: 4rem 0;
    background: var(--background-white);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: start;
}

.intro-grid h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.company-intro-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    text-align: justify;
}

/* 成就数据展示 */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem 2.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.achievement-item {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--background-white);
    border-radius: 15px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
}

.achievement-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.achievement-item:hover::before {
    transform: scaleX(1);
}

.achievement-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.15);
}

.achievement-number {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea, #764ba2, #f093fb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 0.8rem;
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
    word-break: keep-all;
    white-space: nowrap;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.achievement-number span {
    font-size: 0.8em;
}

.achievement-label {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.achievement-bar {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 0 auto;
    border-radius: 2px;
}

/* 使命愿景 */
.mission-vision {
    padding: 4rem 0;
    background: var(--background-light);
}

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

.mv-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.mv-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.mv-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mv-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.mv-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 企业文化 */
.company-culture {
    padding: 4rem 0;
    background: var(--background-white);
}

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

.culture-item {
    background: var(--background-light);
    padding: 2rem;
    border-radius: 10px;
    transition: var(--transition);
}

.culture-item:hover {
    background: white;
    box-shadow: var(--shadow-md);
}

.culture-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.culture-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 发展历程 */
.company-history {
    padding: 4rem 0;
    background: var(--background-light);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding-left: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: -38px;
    top: 5px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 4px solid white;
    box-shadow: 0 0 0 2px var(--primary-color);
}

.timeline-content h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 企业资质 */
.qualifications {
    padding: 4rem 0;
    background: var(--background-white);
}

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

.qual-item {
    background: var(--background-light);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.qual-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.qual-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 团队介绍 */
.team-section {
    padding: 4rem 0;
    background: var(--background-light);
}

.team-desc {
    max-width: 900px;
    margin: 0 auto 3rem;
    text-align: center;
}

.team-desc p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.team-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
}

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

.team-stat h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.team-stat p {
    color: var(--text-secondary);
}

/* 服务页面详细样式 */
.services-detailed {
    padding: 4rem 0;
}

.service-item-full {
    background: white;
    margin-bottom: 3rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* 服务页面详细样式 */
.services-detailed {
    padding: 4rem 0;
}

.service-item-full {
    background: white;
    margin-bottom: 2.5rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border-left: 5px solid transparent;
    background-image: linear-gradient(white, white), 
                      linear-gradient(135deg, var(--primary-color), var(--accent-color));
    background-origin: padding-box, border-box;
    background-clip: padding-box, border-box;
    transition: var(--transition);
}

.service-item-full:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.service-header-full {
    background: transparent;
    color: var(--text-primary);
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.service-icon-large {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-header-full h2 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin: 0;
}

.service-body-full {
    padding: 2rem;
}

.service-desc {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

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

.feature-box {
    background: var(--background-light);
    padding: 1.5rem;
    border-radius: 10px;
}

.feature-box h4 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.feature-box p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 解决方案详细页 */
.solutions-detailed {
    padding: 4rem 0;
}

.solution-detail {
    background: white;
    margin-bottom: 3rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* 解决方案详细页 */
.solutions-detailed {
    padding: 4rem 0;
}

.solution-detail {
    background: white;
    margin-bottom: 2.5rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border-left: 5px solid transparent;
    background-image: linear-gradient(white, white), 
                      linear-gradient(135deg, var(--primary-color), var(--accent-color));
    background-origin: padding-box, border-box;
    background-clip: padding-box, border-box;
    transition: var(--transition);
}

.solution-detail:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.solution-body-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 320px;
    gap: 3rem;
    align-items: center;
}

.solution-image-wrapper {
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.solution-image-wrapper:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.4);
}

.solution-detail-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 1rem;
    transition: var(--transition);
}

.solution-detail:hover .solution-detail-image {
    transform: scale(1.08);
}

.solution-header-detail {
    background: transparent;
    color: var(--text-primary);
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.solution-num-large {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.solution-header-detail h2 {
    font-size: 2rem;
    color: var(--text-primary);
    margin: 0;
}

.solution-content-detail {
    padding: 2.5rem;
}

.solution-desc-detail {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.solution-features {
    margin-bottom: 2rem;
}

.solution-features h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.solution-features ul {
    list-style: none;
    padding: 0;
}

.solution-features li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 2rem;
}

.solution-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.solution-tags-detail {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* 案例详细页 */
.cases-full {
    padding: 4rem 0;
}

.case-full {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-md);
}

/* 案例详细页 */
.cases-full {
    padding: 4rem 0;
}

.case-full {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    margin-bottom: 2.5rem;
    box-shadow: var(--shadow-md);
    border-left: 5px solid transparent;
    background-image: linear-gradient(white, white), 
                      linear-gradient(135deg, var(--primary-color), var(--accent-color));
    background-origin: padding-box, border-box;
    background-clip: padding-box, border-box;
    transition: var(--transition);
}

.case-full:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.case-category-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.case-full h2 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.case-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.case-description h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 2rem 0 1rem;
}

.case-description p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.case-results-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.case-results-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-secondary);
}

.case-results-list li::before {
    content: '●';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.case-tech-stack {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.case-tech-stack h4 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.tech-tags-case {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tech-tags-case span {
    background: var(--background-light);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    font-size: 0.9rem;
}

/* 技术页面 */
.tech-stack-section {
    padding: 4rem 0;
}

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

.tech-stack-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

.tech-stack-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.tech-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tech-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--background-light);
    border-radius: 8px;
    transition: var(--transition);
}

.tech-item:hover {
    background: white;
    box-shadow: var(--shadow-sm);
}

.tech-name {
    font-weight: 600;
    color: var(--text-primary);
}

.tech-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* 技术能力 */
.tech-capabilities {
    padding: 4rem 0;
    background: var(--background-light);
}

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

.capability-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.capability-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.capability-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.capability-card h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.capability-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 技术认证 */
.certifications {
    padding: 4rem 0;
    background: var(--background-white);
}

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

.cert-item {
    background: var(--background-light);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.cert-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.cert-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 研发实力 */
.rd-power {
    padding: 4rem 0;
    background: var(--background-light);
}

.rd-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-bottom: 3rem;
}

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

.rd-stat h3 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.rd-stat p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.rd-desc {
    max-width: 900px;
    margin: 0 auto;
}

.rd-desc p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* 联系页面 */
.contact-info-section {
    padding: 4rem 0;
    background: var(--background-white);
}

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

.contact-info-box {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.contact-info-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.info-icon-large {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-info-box h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.contact-info-box p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.contact-info-box a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-info-box a:hover {
    text-decoration: underline;
}

.address-detail, .phone-main {
    font-weight: 600;
    color: var(--text-primary);
}

.address-note, .email-note, .phone-note, .time-note {
    font-size: 0.9rem;
    font-style: italic;
}

/* 联系表单 */
.contact-form-section {
    padding: 4rem 0;
    background: var(--background-light);
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}

.form-intro {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-form-main {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

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

.link {
    color: var(--primary-color);
    text-decoration: none;
}

.link:hover {
    text-decoration: underline;
}

.btn-submit-large {
    width: 100%;
    padding: 1.2rem;
    font-size: 1.1rem;
}

.form-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 1rem;
}

/* 社交媒体 */
.social-section {
    padding: 4rem 0;
    background: var(--background-white);
}

.social-links-large {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.social-item {
    text-align: center;
    max-width: 300px;
}

.social-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.social-item h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.social-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 常见问题 */
.faq-section {
    padding: 4rem 0;
    background: var(--background-light);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    padding: 2rem;
    margin-bottom: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
}

.faq-item h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 公司信息详情 */
.company-info-section {
    padding: 4rem 0;
    background: var(--background-white);
}

.company-detail {
    max-width: 1000px;
    margin: 0 auto;
}

.company-detail h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.company-name-en {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.company-info-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-row {
    display: flex;
    gap: 1rem;
}

.info-label {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 100px;
}

.info-value {
    color: var(--text-secondary);
    line-height: 1.8;
    flex: 1;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .intro-content,
    .intro-grid {
        grid-template-columns: 1fr;
    }
    
    .intro-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .intro-text-main h2 {
        font-size: 1.8rem;
    }
    
    .intro-stats,
    .team-stats,
    .rd-stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .stat-cards {
        grid-template-columns: 1fr;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .social-links-large {
        flex-direction: column;
        gap: 2rem;
    }
    
    .solution-header-detail,
    .service-header-full {
        flex-direction: column;
        text-align: center;
    }
    
    .solution-body-wrapper {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .solution-image-wrapper {
        height: 180px;
        order: -1;
    }
    
    .cta-buttons,
    .intro-actions {
        flex-direction: column;
    }
}

/* 暗黑模式优化 */
[data-theme="dark"] .intro-badge,
[data-theme="dark"] .case-category,
[data-theme="dark"] .case-category-badge {
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
}

[data-theme="dark"] .stat-box,
[data-theme="dark"] .service-card-preview,
[data-theme="dark"] .solution-card,
[data-theme="dark"] .case-card-preview,
[data-theme="dark"] .mv-card,
[data-theme="dark"] .capability-card,
[data-theme="dark"] .contact-info-box,
[data-theme="dark"] .faq-item {
    background: var(--background-light);
    border-color: var(--border-color);
}

[data-theme="dark"] .stat-box:hover,
[data-theme="dark"] .service-card-preview:hover,
[data-theme="dark"] .solution-card:hover,
[data-theme="dark"] .case-card-preview:hover,
[data-theme="dark"] .mv-card:hover,
[data-theme="dark"] .capability-card:hover,
[data-theme="dark"] .contact-info-box:hover {
    background: #1f2937;
}

[data-theme="dark"] .form-container,
[data-theme="dark"] .service-item-full,
[data-theme="dark"] .solution-detail,
[data-theme="dark"] .case-full,
[data-theme="dark"] .tech-stack-card {
    background: var(--background-light);
    border-color: var(--border-color);
    background-image: linear-gradient(var(--background-light), var(--background-light)), 
                      linear-gradient(135deg, var(--primary-color), var(--accent-color));
}

[data-theme="dark"] .service-header-full,
[data-theme="dark"] .solution-header-detail {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .feature-box,
[data-theme="dark"] .culture-item,
[data-theme="dark"] .qual-item,
[data-theme="dark"] .cert-item,
[data-theme="dark"] .tech-item {
    background: var(--background-white);
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background: var(--background-white);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] select:focus,
[data-theme="dark"] textarea:focus {
    border-color: var(--primary-color);
    background: #1f2937;
}