/* index.css - 首页专用样式 */

.hero-section {
  position: relative;
  padding-top: 120px;
  padding-bottom: 80px;
  background: linear-gradient(135deg, #0a3d62 0%, #1e3c72 100%);
  color: white;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(29, 140, 248, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(29, 140, 248, 0.15) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: white;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: 1.25rem;
  line-height: 1.6;
  margin-bottom: 2.5rem;
  opacity: 0.9;
  max-width: 800px;
  font-weight: 300;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.hero-buttons .btn {
  padding: 0.75rem 2rem;
  font-size: 1.125rem;
  font-weight: 500;
  border-radius: var(--border-radius-lg);
  transition: var(--transition);
}

.hero-buttons .btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(0);
}

.hero-buttons .btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(13, 110, 253, 0.4);
}

.hero-buttons .btn-outline-light {
  border-width: 2px;
  transform: translateY(0);
  color: white !important;
  border-color: white;
}

.hero-buttons .btn-outline-light:hover {
  background-color: white;
  color: var(--primary-dark) !important;
  border-color: white;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(255, 255, 255, 0.3);
}

/* Hero区域右侧内容样式优化 */
.hero-section .col-lg-6:last-child {
  padding: 20px;
}

.hero-section .col-lg-6:last-child .bg-white {
  padding: 2rem;
  width: 100%;
}

/* 特性展示样式 */
.features-section {
  padding: 8rem 0;
  background-color: white;
  position: relative;
}

.features-section::before {
  content: '';
  position: absolute;
  top: -50px;
  left: 0;
  right: 0;
  height: 100px;
  background-color: white;
  border-radius: 50% 50% 0 0;
}

.features-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 5rem;
}

.features-header h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.features-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 3rem;
}

.feature-card {
  background-color: white;
  border-radius: var(--border-radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background-color: rgba(13, 110, 253, 0.1);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 2rem;
  margin: 0 auto 1.5rem;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background-color: var(--primary-color);
  color: white;
  transform: scale(1.1);
}



.feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 1rem;
}

/* 服务领域样式 */
.services-preview {
  padding: 8rem 0;
  background-color: var(--light-color);
}

.services-preview-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 5rem;
}

.services-preview-header h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.services-preview-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2.5rem;
}

.service-card {
  background-color: white;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.service-card-img {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.service-card-body {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.service-card-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
  line-height: 1.3;
}

.service-card-title a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

.service-card-title a:hover {
  color: var(--primary-color);
}

.service-card-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-card-footer {
  margin-top: auto;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  color: var(--primary-color);
  font-weight: 500;
  transition: var(--transition);
  text-decoration: none;
}

.service-card-link:hover {
  color: var(--primary-dark);
}

.service-card-link i {
  margin-left: 0.5rem;
  transition: transform 0.3s ease;
}

.service-card-link:hover i {
  transform: translateX(5px);
}

/* 国产化能力展示 */
.localization-section {
  padding: 8rem 0;
  background: linear-gradient(135deg, #1a2530 0%, #0a3d62 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.localization-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
  z-index: 0;
}

.localization-content {
  position: relative;
  z-index: 1;
}

.localization-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 5rem;
}

.localization-header h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: white;
}

.localization-header p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

.compatibility-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 5rem;
}

.compatibility-item {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.compatibility-item:hover {
  transform: translateY(-5px);
  background-color: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.compatibility-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.compatibility-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: white;
}

.compatibility-description {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* 案例展示预览 */
.cases-preview {
  padding: 8rem 0;
  background-color: white;
}

.cases-preview-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 5rem;
}

.cases-preview-header h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.cases-preview-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.cases-grid-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.case-card-preview {
  background-color: white;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  height: 100%;
}

.case-card-preview:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.case-card-img-preview {
  height: 180px;
  overflow: hidden;
}

.case-card-img-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.case-card-body-preview {
  padding: 1.5rem;
}

.case-card-category-preview {
  display: inline-block;
  background-color: rgba(13, 110, 253, 0.1);
  color: var(--primary-color);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.case-card-title-preview {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
  line-height: 1.3;
}

.case-card-title-preview a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

.case-card-title-preview a:hover {
  color: var(--primary-color);
}

/* 客户评价样式 */
.testimonials-section {
  padding: 8rem 0;
  background-color: #f8f9fa;
  position: relative;
}

.testimonials-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230d6efd' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  z-index: 0;
}

.testimonials-content {
  position: relative;
  z-index: 1;
}

.testimonials-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 5rem;
}

.testimonials-header h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.testimonials-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2.5rem;
}

.testimonial-card {
  background-color: white;
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  position: relative;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.testimonial-quote {
  font-size: 3rem;
  color: var(--primary-color);
  opacity: 0.2;
  position: absolute;
  top: 1rem;
  left: 1rem;
}

.testimonial-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
  font-style: italic;
}

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

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
  background-color: #f8f9fa;
}

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

.testimonial-info {
  flex: 1;
}

.testimonial-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

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

/* 合作伙伴样式 */
.partners-section {
  padding: 6rem 0;
  background-color: white;
}

.partners-section h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 3rem;
  color: var(--text-primary);
  text-align: center;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 3rem;
  align-items: center;
}

.partner-logo {
  text-align: center;
  padding: 1.5rem;
  transition: var(--transition);
  filter: grayscale(100%);
  opacity: 0.7;
}

.partner-logo:hover {
  filter: grayscale(0);
  opacity: 1;
  transform: scale(1.05);
}

.partner-logo img {
  max-width: 150px;
  height: auto;
}

/* 新闻预览样式 */
.news-preview {
  padding: 5rem 0;
  background-color: white;
}

.news-preview-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 5rem;
  position: relative;
}

.news-preview-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.news-preview-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

.news-preview-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 1rem;
}

/* 最新动态样式增强 */
#latest-news .row {
  gap: 1.5rem 0;
}

/* 查看更多动态按钮间距优化 */
#latest-news .text-center.mt-10 {
  margin-top: 2rem !important;
}

.news-grid-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.news-card-preview {
  background-color: white;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.news-card-preview:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.news-card-img-preview {
  height: 180px;
  overflow: hidden;
}

.news-card-img-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-card-preview:hover .news-card-img-preview img {
  transform: scale(1.05);
}

.news-card-body-preview {
  padding: 1.75rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.news-card-date-preview {
  display: inline-block;
  color: var(--secondary-color);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.news-card-title-preview {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
  line-height: 1.4;
  flex-grow: 1;
}

.news-card-title-preview a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

.news-card-title-preview a:hover {
  color: var(--primary-color);
}

/* 快速导航样式 */
#quick-nav {
  padding: 1rem 0;
  background-color: var(--light-color);
  border-bottom: 1px solid var(--border-color);
}

.quick-nav-item {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: white;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--border-radius-lg);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  /* margin: 0.5rem; */
}

.quick-nav-item:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

#latest-news {
  padding: 2rem 0;
}

/* 技术栈展示样式 */
#tech-stack {
  padding: 3rem 0;
  background: linear-gradient(180deg, white 0%, rgba(54, 162, 235, 0.05) 100%);
  /* margin: 2rem 0; */
}

#tech-stack .section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 5rem;
}

#tech-stack .section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

#tech-stack .section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

#tech-stack .section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 1.5rem;
}

.tech-stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.tech-stack-item {
  background-color: white;
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.tech-stack-item::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--info-color));
  transform: translateX(-100%);
  transition: var(--transition);
}

.tech-stack-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
}

.tech-stack-item:hover::before {
  transform: translateX(0);
}

.tech-stack-item i {
  font-size: 3rem;
  margin-bottom: 1rem;
  transition: transform 0.3s ease;
}

.tech-stack-item:hover i {
  transform: scale(1.1);
}

.tech-stack-item h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

/* 联系咨询CTA样式 */
.contact-cta {
  padding: 6rem 0;
  background-color: var(--primary-color);
  color: white;
  text-align: center;
}

.contact-cta h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: white;
}

.contact-cta p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.contact-cta .btn {
  font-size: 1.1rem;
  padding: 0.75rem 2rem;
}

/* 响应式调整 */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.75rem;
  }
  
  .features-grid,
  .services-grid,
  .compatibility-grid,
  .testimonials-grid {
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .hero-section {
    padding-top: 80px;
    padding-bottom: 100px;
  }
  
  .hero-title {
    font-size: 2.25rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .features-section,
  .services-preview,
  .localization-section,
  .cases-preview,
  .testimonials-section,
  .news-preview {
    padding: 6rem 0;
  }
  
  .features-header h2,
  .services-preview-header h2,
  .localization-header h2,
  .cases-preview-header h2,
  .testimonials-header h2,
  .news-preview-header h2,
  .contact-cta h2 {
    font-size: 2rem;
  }
  
  .partners-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 2rem;
  }
  
  .partner-logo img {
    max-width: 120px;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 1.75rem;
  }
  
  .feature-card,
  .service-card,
  .case-card-preview,
  .testimonial-card,
  .news-card-preview {
    padding: 1.5rem;
  }
  
  .feature-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
  
  .service-card-img,
  .case-card-img-preview,
  .news-card-img-preview {
    height: 150px;
  }
  
  .compatibility-item {
    padding: 1.5rem;
  }
  
  .partners-section {
    padding: 4rem 0;
  }
  
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-cta {
    padding: 4rem 0;
  }
}

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.slide-in-right {
  animation: slideInRight 0.6s ease-out forwards;
}

.pulse {
  animation: pulse 2s infinite;
}

/* 延迟动画 */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }