/* 产品详情页样式 - 与网站整体风格保持一致 */

/* CSS变量定义 - 与网站整体风格一致 */
:root {
  --primary-color: #1e3a5f;
  --primary-dark: #2d4a6f;
  --text-dark: #334155;
  --text-medium: #64748B;
  --text-light: #94a3b8;
  --background-light: #F8FAFC;
  --background-medium: #F1F5F9;
  --border-color: #E2E8F0;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --shadow-sm: 0 1px 3px rgba(51, 65, 85, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(51, 65, 85, 0.1);
  --shadow-lg: 0 10px 25px -5px rgba(51, 65, 85, 0.15);
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --transition: all 0.3s ease;
}

/* 全局样式 - 与网站整体风格一致 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--background-light);
}

/* 容器样式 - 与网站整体风格一致 */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* 面包屑导航 */
.breadcrumb {
  background: var(--background-light);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
  color: var(--text-medium);
}

.breadcrumb a {
  color: var(--text-medium);
  text-decoration: none;
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--primary-color);
}

.breadcrumb span {
  margin: 0 0.5rem;
  color: var(--text-light);
}

/* 产品详情主体 */
.product-detail-section {
  background: var(--background-light);
  padding: 2rem 0;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .product-detail-grid {
    grid-template-columns: 400px 1fr;
  }
}

/* 产品图片区域 */
.product-image-container {
  position: sticky;
  top: 80px;
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.product-main-image {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  background: var(--background-light);
  margin-bottom: 1rem;
}

.product-main-image img {
  width: 100%;
  height: 400px;
  object-fit: contain;
  padding: 2rem;
}

/* 产品图片缩略图 */
.product-thumbnails {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  justify-content: center;
}

.thumbnail-item {
  width: 80px;
  height: 80px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  background: white;
}

.thumbnail-item.active {
  border: 2px solid var(--primary-color);
}

.thumbnail-item:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.thumbnail-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.5rem;
}

/* 产品信息区域 */
.product-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.product-category {
  font-size: 14px;
  color: var(--primary-color);
  background: #EFF6FF;
  padding: 0.375rem 1rem;
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  border: 1px solid var(--border-color);
  align-self: flex-start;
}

.product-title {
  font-size: 1.75rem;
  font-weight: normal;
  color: var(--text-dark);
  line-height: 1.3;
}

/* 品牌和型号信息 */
.product-brand-model {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.product-brand {
  font-size: 14px;
  color: var(--text-medium);
  font-weight: 500;
}

.product-model-info {
  font-size: 14px;
  color: var(--text-medium);
  font-weight: 500;
}

@media (max-width: 768px) {
  .product-brand-model {
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* 价格区域 */
.price-section {
  background: var(--background-light);
  padding: 1.5rem;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
}

.price-container {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.price-label {
  font-size: 14px;
  color: var(--text-medium);
}

.price-value {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--primary-color);
}

.original-price {
  color: var(--text-light);
  font-size: 1.25rem;
  text-decoration: line-through;
}

.discount-badge {
  background: #EFF6FF;
  color: var(--primary-color);
  font-size: 14px;
  padding: 0.375rem 0.75rem;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  border: 1px solid var(--border-color);
}

.price-note {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-color);
}

.price-note p {
  color: var(--text-dark);
  font-size: 14px;
  margin: 0;
}

/* 服务保障 */
.service-guarantees {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--background-light);
  border-radius: var(--border-radius-md);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.guarantee-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.guarantee-icon {
  width: 36px;
  height: 36px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.guarantee-icon i {
  color: white;
  font-size: 16px;
}

.guarantee-content h4 {
  font-weight: 600;
  color: var(--text-dark);
  margin: 0;
  font-size: 14px;
}

.guarantee-content p {
  color: var(--text-medium);
  margin: 0;
  font-size: 12px;
}

/* 操作按钮 */
.action-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  flex: 1;
  min-width: 180px;
  padding: 1rem 2rem;
  border-radius: var(--border-radius-md);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  background: transparent;
}

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

/* 产品详细介绍 */
.product-details-section {
  background: var(--background-medium);
  padding: 2rem 0;
  margin-top: 2rem;
}

/* 标签切换 */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 2rem;
  flex-wrap: wrap;
  background: white;
  padding: 0 2rem;
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  border: 1px solid var(--border-color);
  border-bottom: none;
}

.tab-button {
  padding: 1rem 2rem;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-medium);
  border: none;
  background: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}

.tab-button.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-button:hover {
  color: var(--primary-color);
}

/* 标签内容 */
.tab-content {
  background: white;
  border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  border-top: none;
  display: none;
}

.tab-content.active {
  display: block;
}

.tab-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tab-title i {
  color: var(--primary-color);
}

/* 技术参数 */
.specs-content {
  line-height: 1.8;
  color: var(--text-medium);
  padding: 1rem;
  background: var(--background-light);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
}

.specs-content h1, .specs-content h2, .specs-content h3, .specs-content h4, .specs-content h5, .specs-content h6 {
  color: var(--text-dark);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.specs-content h1 {
  font-size: 1.5rem;
}

.specs-content h2 {
  font-size: 1.25rem;
}

.specs-content h3 {
  font-size: 1.125rem;
}

.specs-content p {
  margin-bottom: 1rem;
}

.specs-content ul, .specs-content ol {
  margin-left: 2rem;
  margin-bottom: 1rem;
}

.specs-content li {
  margin-bottom: 0.5rem;
}

.specs-content strong {
  font-weight: 600;
  color: var(--text-dark);
}

.specs-content em {
  font-style: italic;
}

.specs-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: white;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.specs-content th {
  background: var(--primary-color);
  color: white;
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 14px;
}

.specs-content td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
  color: var(--text-medium);
}

.specs-content tr:hover td {
  background: var(--background-light);
}

.specs-content tr:last-child td {
  border-bottom: none;
}

/* 产品特点 */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-item {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--background-light);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.feature-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-icon i {
  color: white;
  font-size: 20px;
}

.feature-content h4 {
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.feature-content p {
  color: var(--text-medium);
  margin: 0;
  line-height: 1.6;
}

/* 应用领域 */
.applications-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .applications-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .applications-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.application-item {
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  transition: var(--transition);
  background: var(--background-light);
}

.application-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.application-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.application-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-color);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.application-icon i {
  color: white;
  font-size: 20px;
}

.application-header h4 {
  font-weight: 600;
  color: var(--text-dark);
  margin: 0;
}

.application-content p {
  color: var(--text-medium);
  margin: 0;
  line-height: 1.6;
}

/* 技术支持 */
.support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .support-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.support-services h4 {
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

.support-services ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.support-services li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.support-services li:last-child {
  margin-bottom: 0;
}

.support-services i {
  color: var(--primary-color);
  margin-top: 0.25rem;
}

.support-services span {
  color: var(--text-medium);
  line-height: 1.6;
}

.support-services strong {
  color: var(--text-dark);
}

.support-contact {
  background: var(--primary-color);
  padding: 2rem;
  border-radius: var(--border-radius-md);
  color: white;
}

.support-contact h4 {
  font-weight: 600;
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: white;
  text-decoration: none;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-md);
  transition: background 0.3s;
}

.contact-link:hover {
  background: rgba(255, 255, 255, 0.2);
}

.contact-link i {
  font-size: 24px;
}

.contact-info p {
  margin: 0;
}

.contact-info .label {
  font-size: 14px;
  opacity: 0.9;
}

.contact-info .value {
  font-size: 20px;
  font-weight: 600;
}

/* 相关产品推荐 */
.related-products-section {
  background: var(--background-light);
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
  margin-top: 2rem;
}

.section-title {
  text-align: center;
  margin-bottom: 2rem;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: bold;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

.section-title p {
  color: var(--text-medium);
  font-size: 1.125rem;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 50px;
}

.product-card {
  background: white;
  border-radius: var(--border-radius-md);
  padding: 20px;
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1px solid var(--border-color);
}

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

.product-card a {
  text-decoration: none;
  color: inherit;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.product-image {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 150px;
  background: var(--background-light);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
}

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

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

.product-image .no-image {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
}

.product-image .no-image i {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.product-info-card {
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 15px;
}

.product-info-card h3 {
  font-size: 16px;
  font-weight: normal;
  color: var(--text-dark);
  margin: 0 0 0.5rem;
  transition: color 0.3s;
  text-align: center;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 6rem;
  line-height: 1.4;
}

.product-card:hover h3 {
  color: var(--primary-color);
}

.product-model-card {
  font-size: 14px;
  color: var(--text-medium);
  text-align: center;
  margin: 0 0 0.5rem;
}

.product-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-top: auto;
  margin-top: 1rem;
}

.product-price {
  font-size: 18px;
  font-weight: bold;
  color: var(--primary-color);
}

.product-detail-link {
  color: var(--primary-color);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border: 1px solid var(--primary-color);
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
}

.product-detail-link:hover {
  background: var(--primary-color);
  color: white;
}

/* 服务保障 */
.service-section {
  background: var(--background-medium);
  padding: 2rem 0;
  margin-top: 2rem;
}

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

@media (min-width: 1024px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.service-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.service-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

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

.service-icon-large {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-icon-large i {
  color: white;
  font-size: 24px;
}

.service-item h3 {
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
}

.service-item p {
  color: var(--text-medium);
  font-size: 14px;
}

/* CTA区域 */
.cta-section {
  background: var(--primary-color);
  color: white;
  padding: 2rem 0;
  margin-top: 2rem;
}

.cta-container {
  text-align: center;
}

.cta-container h2 {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

.cta-container p {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.btn-cta {
  background: white;
  color: var(--primary-color);
  padding: 1rem 2.5rem;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  font-size: 16px;
  box-shadow: var(--shadow-md);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
  cursor: pointer;
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-cta-outline {
  border: 2px solid white;
  color: white;
  padding: 1rem 2.5rem;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  font-size: 16px;
  background: transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.btn-cta-outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* 图片懒加载 */
.lazyload {
  opacity: 0;
  transition: opacity 0.3s;
}

.lazyload.loaded {
  opacity: 1;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .product-detail-grid {
    grid-template-columns: 1fr;
  }
  
  .product-image-container {
    position: static;
  }
  
  .product-title {
    font-size: 1.5rem;
  }
  
  .price-value {
    font-size: 2rem;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  .service-guarantees {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .applications-grid {
    grid-template-columns: 1fr;
  }
  
  .support-grid {
    grid-template-columns: 1fr;
  }
  
  .service-content {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-cta,
  .btn-cta-outline {
    width: 100%;
    max-width: 300px;
  }
}