/* 产品列表 */
.header {
  background: #fff;
}

/* 产品容器 */
.products-container {
  padding: 40px 0 60px;
  background: #fff;
  position: relative;
  z-index: 1;
  min-height: 800px;
}

/* 产品布局 */
.products-container .products-layout {
  display: flex;
  gap: 30px;
}

/* 左侧分类 */
.products-container .product-sidebar {
  width: 260px;
  flex-shrink: 0;
  position: sticky;
  top: 20px;
  height: fit-content;
  border-radius: 18px;
  background: #fff;
 
}

.products-container .category-wrapper {
  background: #fff;
  border-radius: 18px;
  border: 1px solid #d9e8ff;
  padding: 20px;
}

.products-container .sidebar-title {
  padding: 25px 20px;
  background: linear-gradient(135deg, var(--blue), #0d66e8);
  border-radius: 18px;
  text-align: left;
}

.products-container .sidebar-title h1 {
  font-size: 20px;
  font-weight: 500;
  color: #fff;
  margin: 0 0 6px 0;
  line-height: 1.5;
}

.products-container .sidebar-title p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}

.products-container .category-list {
  list-style: none;
  margin: 0;
}

.products-container .category-item {
  padding: 20px 40px 20px 18px;
  border-bottom: 1px solid #e4ebf5;
  position: relative;
  transition: all 0.3s ease;
}

.products-container .category-item::after {
  content: "\f061";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #a2adbd;
  font-size: 14px;
  transition: color 0.3s ease;
}

.products-container .category-item a {
  display: block;
  color: #758298;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s ease;
}

.products-container .category-item a span {
  display: block;
  color: #a2adbd;
  font-size: 12px;
  margin-top: 4px;
  font-weight: 500;
  transition: color 0.3s ease;
}

.products-container .category-item:hover a {
  color: var(--blue);
}

.products-container .category-item:hover::after {
  color: var(--blue);
}

.products-container .category-item.active {
  color: var(--blue);
  font-weight: 600;
  background: linear-gradient(90deg, #e0ebfd 0%, #fff 100%);
  border-radius: 12px;
  border-bottom-color: transparent;
  box-shadow: 0 12px 28px rgba(18, 78, 150, 0.08);
}

.products-container .category-item.active a {
  color: var(--blue);
  font-weight: 600;
}

.products-container .category-item.active a span {
  color: var(--blue);
}

.products-container .category-item.active::after {
  color: var(--blue);
}

/* 右侧产品区 */


.products-container .product-main {
  flex: 1;
  position: relative;
  z-index: 2;
  background: #fff;
  padding: 0px;
}

.products-container .product-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  padding: 15px 0px;
  border-bottom: 0;
  position: relative;
}

.products-container .product-title {
  font-size: 24px;
  font-weight: 500;
  color: #102856;
  margin: 0;
  position: relative;
  line-height: 1.25;
  z-index: 2;
}

.products-container .product-title .en-bg {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  font-size: 45px;
  font-weight: 900;
  color: rgba(16, 88, 213, 0.06);
  letter-spacing: 3px;
  white-space: nowrap;
  z-index: -1;
  text-transform: uppercase;
  pointer-events: none;
}

.products-container .product-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0px;
  width: 50px;
  background: linear-gradient(135deg, var(--blue), #0d66e8);
  height: 4px;
  border-radius: 2px;
}

.products-container .product-sort {
  display: flex;
  align-items: center;
  gap: 10px;
}

.products-container .product-sort label {
  font-size: 14px;
  color: #666;
}

.products-container .sort-select {
  padding: 8px 15px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
  color: #333;
  background: #fff;
  cursor: pointer;
  outline: none;
}

.products-container .sort-select:hover {
  border-color: var(--blue);
}

/* 产品网格 */
.products-container .product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 14px;
  margin-bottom: 0;
  padding: 0 0 30px 0;
}

.products-container .product-item {
  min-height: 310px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 18px 12px 16px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  color: #16264a;
  transition: 0.25s ease;
  box-shadow: 0 10px 22px rgba(20, 75, 150, 0.08);
}

.products-container .product-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 38px rgba(20, 75, 150, 0.22);
}

.products-container .product-item a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  text-decoration: none;
  color: inherit;
  width: 100%;
  height: 100%;
}

.products-container .product-img {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  background: transparent;
  overflow: hidden;
}

.products-container .product-img img {
  max-height: 220px;
  max-width: 100%;
  object-fit: contain;
}

.products-container .product-name {
  display: block;
  margin-top: 12px;
  padding: 0;
  font-size: 14px;
  font-weight: 500;
  color: #6a7687;
  text-align: center;
  line-height: 1.45;
}
.products-container p {
  color: #333;
  font-size: 14px;
  font-weight: 400;
  text-align: center;
  padding: 0 0 15px 0;
}

/* 子分类样式 */
.products-container .category-item.has-children>a {
  display: none;
}

.products-container .category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  cursor: pointer;
  transition: all 0.3s;
}

.products-container .category-header a {
  flex: 1;
  padding: 0;
  color: #333;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s;
}

.products-container .category-toggle {
  font-size: 12px;
  color: #999;
  transition: transform 0.3s;
  user-select: none;
  display: none;
}

.products-container .category-item.has-children.active .category-toggle {
  transform: rotate(180deg);
}

.products-container .subcategory-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: transparent;
}

.products-container .category-item.has-children.active .subcategory-list {
  max-height: 500px;
}

.products-container .subcategory-item {
  border-top: 1px solid #edf4ff;
}

.products-container .subcategory-item a {
  display: block;
  padding: 10px 20px 10px 40px;
  color: #666;
  text-decoration: none;
  font-size: 13px;
  transition: all 0.3s;
}

.products-container .subcategory-item a::before {
  content: '• ';
  margin-right: 5px;
  color: var(--blue);
}

/* 联系卡片 */
.products-container .contact-card {
  background: url('../images/wx-lx.png') top right no-repeat #f0f6ff;
  background-size: 50% auto;
  border-radius: 18px;
  margin-top: 20px;
}


.products-container .contact-card-header {
  padding: 15px 20px;
  border-bottom: 0;
  font-size: 16px;

}

.products-container .contact-card-header h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: #102856;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 8px;

}

.products-container .contact-card-header h3::before {
  content: '';
  width: 3px;
  height: 16px;
  background: linear-gradient(135deg, var(--blue) 0%, #0d67e8 100%);
  border-radius: 2px;
  flex-shrink: 0;
}

.products-container .contact-card-header h3 i {
  padding-right: 10px;
}

.products-container .contact-card-body {
  padding: 20px 15px;
}

.products-container .contact-info {
  margin-bottom: 20px;
}

.products-container .contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  font-size: 14px;
  background: #fff;
  padding: 5px 5px;
  border-radius: 4px;
}

.products-container .contact-item:last-child {
  margin-bottom: 0;
}

.products-container .contact-label {
  color: #666;
  font-weight: 500;
  min-width: 60px;
}

.products-container .contact-label i {
  width: 30px;
  height: 30px;
  background: var(--blue-light);
  border-radius: 30px;
  color: var(--blue);
  line-height: 30px;
  text-align: center;
  margin-right: 10px;
}

.products-container .contact-value {
  color: #102856;
  font-weight: 500;
}

.products-container .contact-link {
  color: var(--blue);
  text-decoration: none;
  transition: all 0.3s;
}

.products-container .contact-link:hover {
  color: var(--blue);
  text-decoration: underline;
}

.products-container .qrcode-section {
  text-align: center;
  padding-top: 15px;
  border-top: 0;
  position: relative;
  height: 180px;
}

.products-container .qrcode-img {
  width: 140px;
  height: 140px;
  background: #fff;
  padding: 8px;
  border: 1px solid #d9e8ff;
  border-radius: 10px;
  margin: 0 auto 10px;
  display: block;
  z-index: 9;
  position: absolute;
  top: 10px;
  left: 50px;

}

.products-container .qrcode-text {
  position: absolute;
  margin: 0;
  font-size: 13px;
  color: #fff;
  font-weight: 500;
  width: 140px;
  height: 40px;
  line-height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue), #0d67e8);
  left: 50px;
  bottom: 5px;
  z-index: 0;
  padding-top: 5px;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 30px 20px;
}

.pagination a {
  padding: 5px 12px;
  background: #fff;
  color: var(--blue);
  border: 1px solid var(--blue);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}
.pagination a[title^="Total"] {
 background:linear-gradient(135deg, #e0ecff 0%, #c8dcff 100%); 
 color: var(--blue);
 display: none;
}
.pagination a[title^="Total"] b{
    background:none; 
    border: 1px solid var(--blue);
    color: var(--blue);
}
.pagination b{
   padding: 5px 12px;
   border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  background:var(--blue); 
  color: #fff;
  border: 1px solid var(--blue);
}
.pagination a:hover b{
    color: #fff;
}
.pagination a:hover {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 4px 12px rgba(16, 88, 213, 0.3);
}
.pagination .page-btn {
  padding: 10px 24px;
  background: #fff;
  color: var(--blue);
  border: 1px solid var(--blue);
  border-radius: 30px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.pagination .page-btn:hover {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 4px 12px rgba(16, 88, 213, 0.3);
}

.pagination .page-btn:disabled {
  background: #f5f5f5;
  color: #ccc;
  border-color: #e0e0e0;
  cursor: not-allowed;
}

.pagination a:disabled {
  background: #f5f5f5;
  color: #ccc;
  border-color: #e0e0e0;
  cursor: not-allowed;
}

.pagination .page-info {
  font-size: 14px;
  color: #666;
}

.pagination .page-info .current-page {
  color: var(--blue);
  font-weight: 600;
}


/* 响应式 */
@media (max-width: 1200px) {
  .products-container .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .products-container {
    padding: 20px 0 40px;
  }

  .products-container .container {
    padding: 0 15px;
  }

  .products-container .products-layout {
    flex-direction: column;
    gap: 20px;
  }

  .products-container .product-sidebar {
    width: 100% !important;
    position: static !important;
    margin-bottom: 0;
    background: none;
    padding: 0;
    box-shadow: none;
    border: 0;
  }

  .sidebar-title {
    display: none;
  }

  .products-container .contact-card {
    display: none !important;
  }

  .products-container .category-wrapper {
    margin-bottom: 0;
    background: none;
    box-shadow: none;
    border: none;
    padding: 0;
  }

  .products-container .category-list {
    display: flex;
    overflow-x: auto;
    gap: 10px;
    padding: 10px 0;
    background: none;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .products-container .category-list::-webkit-scrollbar {
    display: none;
  }

  .products-container .category-item {
    flex-shrink: 0;
    padding: 12px 20px;
    border-bottom: none;
    border: 1px solid #e4ebf5;
    border-radius: 20px;
    background: #fff;
    font-size: 14px;
    white-space: normal;
    text-align: center;
    box-shadow: none;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .products-container .category-item::after {
    display: none;
  }

  .products-container .category-item a {
    padding: 0;
    font-size: 14px !important;
    color: #758298;
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .products-container .category-item a span {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: #a2adbd;
  }

  .products-container .category-item:hover a {
    color: var(--blue);
  }

  .products-container .category-item:hover a span {
    color: var(--blue);
  }

  .products-container .category-item.active {
    background: linear-gradient(90deg, #e0ebfd 0%, #fff 100%);
    border: 1px solid var(--blue);
    box-shadow: none;
  }

  .products-container .category-item.active a {
    color: var(--blue);
    font-weight: 600;
    text-align: center;
  }

  .products-container .category-item.active a span {
    color: var(--blue);
  }

  .products-container .product-main {
    width: 100%;
    padding: 0px 2px;
  }

  .products-container .product-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 14px !important;
  }

  .products-container .product-grid .product-item {
    min-height: auto;
    padding: 12px 8px;
  }

  .products-container .product-grid .product-item .product-img {
    height: 160px;
  }

  .products-container .product-grid .product-item .product-img img {
    max-height: 160px;
  }
}

/* 产品网格 */
.products-container .product-main .product-grid {
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.products-container .product-grid .product-item {
  border-radius: 8px;
  min-height: 310px;
  border:1px solid #f5f9fe;
}

.products-container .product-grid .product-item .product-img {
  height: 220px;
}

.products-container .product-grid .product-item .product-img img {
  max-height: 220px;
}

.products-container .product-grid .product-item .product-name {
  margin-top: 12px;
  font-size: 14px;
}

@media (max-width: 480px) {
  .breadcrumb-nav .container {
    padding: 0 12px;
  }

  .products-container .container {
    padding: 0 0;
  }

  .products-container .product-main .product-grid {
    gap: 10px !important;
    padding: 0 2px;
  }

  .products-container .product-grid .product-item {
    padding: 12px 8px;
    min-height: auto;
  }

  .products-container .product-grid .product-item .product-img {
    height: 140px;
  }

  .products-container .product-grid .product-item .product-img img {
    max-height: 140px;
  }

  .products-container .product-grid .product-item .product-name {
    font-size: 12px;
    margin-top: 8px;
  }
}


/* 产品切换动画 */
.products-container .product-item {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.products-container .product-item.hidden {
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}

.products-container .product-item.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  position: relative;
  visibility: visible;
}


/* ==================== 产品详情页样式 ==================== */
/* 轮播容器 */
.product-swiper-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #edf4ff;
}

.product-swiper-track {
  display: flex;
  transition: transform 0.4s ease;
}

.product-swiper-track img {
  min-width: 100%;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.swiper-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.35);
  color: #fff;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 20px;
  line-height: 36px;
  text-align: center;
  z-index: 10;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.swiper-btn:hover {
  background: rgba(0, 0, 0, 0.6);
}

.swiper-btn.prev {
  left: 10px;
}

.swiper-btn.next {
  right: 10px;
}

.swiper-dots {
  text-align: center;
  padding: 10px 0 4px;
}

.swiper-dots span {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ccc;
  margin: 0 4px;
  cursor: pointer;
  transition: background 0.2s;
}

.swiper-dots span.active {
  background: #0066cc;
}

/* 缩略图 */
.image-thumbnails {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.image-thumbnails img {
  width: 100%;
  height: 72px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid #e0e0e0;
  cursor: pointer;
  transition: border-color 0.2s;
}

.image-thumbnails img.active,
.image-thumbnails img:hover {
  border-color: #0066cc;
}

/* 产品详情容器 */
.product-detail-container {
  padding: 40px 0 60px;
  background: #f7fafd;
}

/* 产品概览区 */
.product-overview {
  border-radius: 14px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 30px;
  margin-bottom: 40px;
  background: #fff;
  padding: 20px;
  box-shadow: 0 4px 16px rgba(20, 88, 174, 0.13);
}

/* 左侧图片区 */
.product-image-section {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.main-image {
  width: 100%;
  height: 500px;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
  overflow: hidden;
}

.main-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}


.thumbnail {
  width: 100%;
  height: 100px;
  background: #fff;
  border: 2px solid #e0e0e0;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  overflow: hidden;
}

.thumbnail:hover {
  border-color: var(--blue);
}

.thumbnail.active {
  border-color: var(--blue);
}

.thumbnail img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* 右侧信息区 */
.product-info-section {
  padding: 0 0;
  position: relative;
}

.product-detail-title {
  font-size: 32px;
  font-weight: 500;
  color: #333;
  margin: 0 0 15px 0;
  line-height: 1.3;
}

.product-category-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--blue-soft);
  color: var(--blue);
  border-radius: 4px;
  font-size: 14px;
  margin-bottom: 20px;
}

.product-brief {
  padding: 10px 20px;
  background: #f7fafd;
}

.product-brief p {
  font-size: 16px;
  line-height: 1.8;
  color: #666;
  margin: 0;
}

.product-highlights {
  margin-bottom: 30px;
}

.product-highlights h3 {
  font-size: 18px;
  font-weight: 600;
  color: #333;
  margin: 0 0 15px 0;
}

.product-highlights ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.product-highlights li {
  padding: 10px 0 10px 25px;
  font-size: 15px;
  color: #666;
  line-height: 1.6;
  position: relative;
}

.product-highlights li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 600;
  font-size: 16px;
}

.product-actions {
  display: flex;
  gap: 15px;
  margin-top: 30px;
  position: absolute;
  bottom: 115px;
}

.btn-contact-primary {
  padding: 14px 40px;
  background: linear-gradient(135deg, #40a9ff, var(--blue));
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s;
  box-shadow: 0 2px 8px rgba(24, 144, 255, 0.3);
}

.btn-contact-primary:hover {
  background: linear-gradient(135deg, var(--blue), #096dd9);
  box-shadow: 0 4px 12px rgba(24, 144, 255, 0.4);
  transform: translateY(-2px);
}

.btn-view-specs {
  padding: 14px 40px;
  background: #fff;
  color: var(--blue);
  text-decoration: none;
  border: 1px solid var(--blue);
  border-radius: 4px;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s;
}

.btn-view-specs:hover {
  background: var(--blue);
  color: #fff;
}

/* 产品详细信息标签页 */
.product-detail-tabs {
  margin-bottom: 40px;
  background: #fff;
  padding-bottom: 20px;
  box-shadow: 0 4px 16px rgba(20, 88, 174, 0.13);
  border-radius: 14px;
}

.tab-headers {
  background: #ebf1f8;
  display: flex;
  gap: 0;
  margin-bottom: 30px;
  border-radius: 14px 14px 0 0;
}

.tab-header {
  border-radius: 14px 0 0 0;
  padding: 15px 30px;
  background: transparent;
  border: none;
  font-size: 16px;
  font-weight: 500;
  color: #666;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
}

.tab-header:hover {
  color: var(--blue);
}

.tab-header.active {
  color: var(--blue);
  font-weight: 600;
  background: #fff;
}

.tab-header.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--blue);
}

.tab-contents {
  position: relative;
  padding: 20px;
}

.tab-content {
  display: none;
}

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

.tab-content h2 {
  font-size: 24px;
  font-weight: 500;
  color: #333;
  margin: 0 0 25px 0;
}

/* 产品彩页 */
.brochure-container {
  text-align: center;
}

.brochure-container img {
  height: auto !important;
  max-width: 750px !important;
  width: 100% !important;
}

.brochure-image {
  max-width: 800px;
  margin: 0 auto 30px;
  padding: 20px;
}

.brochure-image img {
  width: 100%;
  height: auto;
  display: block;
}

.brochure-actions {
  margin-top: 30px;
}

.btn-download-brochure {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 40px;
  background: linear-gradient(135deg, var(--blue), #096dd9);
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 600;
  transition: all 0.3s;
  box-shadow: 0 2px 8px rgba(24, 144, 255, 0.3);
}

.btn-download-brochure:hover {
  background: linear-gradient(135deg, #40a9ff, var(--blue));
  box-shadow: 0 4px 12px rgba(24, 144, 255, 0.4);
  transform: translateY(-2px);
}

.download-icon {
  font-size: 20px;
}

.brochure-note {
  margin-top: 15px;
  font-size: 14px;
  color: #999;
}

/* 技术参数表格 */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.specs-table tr {
  border-bottom: 1px solid #edf4ff;
}

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

.specs-table td {
  padding: 15px 20px;
  font-size: 15px;
}

.spec-label {
  width: 200px;
  color: #666;
  font-weight: 500;
  background: #fafafa;
}

.spec-value {
  color: #333;
}

/* 产品特点网格 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
}

.feature-item {
  padding: 25px;
  background: #fafafa;
  border-radius: 8px;
  border-left: 3px solid var(--blue);
}

.feature-item h3 {
  font-size: 18px;
  font-weight: 600;
  color: #333;
  margin: 0 0 12px 0;
}

.feature-item p {
  font-size: 14px;
  line-height: 1.8;
  color: #666;
  margin: 0;
}

/* 应用场景列表 */
.applications-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
}

.application-item {
  padding: 25px;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  transition: all 0.3s;
}

.application-item:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

.application-item h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--blue);
  margin: 0 0 12px 0;
}

.application-item p {
  font-size: 14px;
  line-height: 1.8;
  color: #666;
  margin: 0;
}

/* 相关产品推荐 */
.related-products {
  padding: 40px;
  background: #fff;
  box-shadow: 0 4px 16px rgba(20, 88, 174, 0.13);
  border-radius: 14px;

}

.section-title {
  font-size: 24px;
  font-weight: 500;
  color: #333;
  margin: 0 0 30px 0;
  text-align: center;
}

.related-products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.related-product-item {
  background: #fff;
  border: 1px solid #edf4ff;
  box-shadow: 0 18px 32px rgba(20, 88, 174, 0.07);
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.3s;
}

.related-product-item:hover {
  box-shadow: 0 4px 16px rgba(20, 88, 174, 0.13);
  transform: translateY(-3px);
}

.related-product-item a {
  display: block;
  text-decoration: none;
  color: inherit;
}

.related-product-img {
  width: 100%;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
}

.related-product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-product-name {
  padding: 0;
  font-size: 17px;
  font-weight: 500;
  color: #333;
  text-align: center;
  margin: 0;
  line-height: 1.5;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.related-product-item p {
  margin: 0;
  padding-bottom: 10px;
  color: #6a7687;
  font-size: 14px;
  font-weight: 400;
  text-align: center;
}

.related-product-item:hover .related-product-name {
  color: var(--blue);
}

/* 产品详情页响应式 */
@media (max-width: 992px) {
  .product-overview {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .product-image-section {
    position: static;
  }

  .features-grid,
  .applications-list {
    grid-template-columns: 1fr;
  }

  .related-products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .product-detail-container {
    padding: 20px 0 40px;
  }

  .product-detail-container .container {
    padding: 0 15px;
  }

  .product-overview {
    margin-bottom: 40px;
  }

  .main-image {
    height: 350px;
  }

  .image-thumbnails {
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
  }

  .thumbnail {
    height: 70px;
  }

  .product-detail-title {
    font-size: 24px;
  }

  .product-brief p {
    font-size: 14px;
  }

  .product-highlights li {
    font-size: 14px;
  }

  .product-actions {
    flex-direction: column;
    position: initial;
  }

  .btn-contact-primary,
  .btn-view-specs {
    width: 100%;
    text-align: center;
  }

  .tab-headers {
    overflow: hidden;
    -webkit-overflow-scrolling: touch;
  }

  .tab-header {
    padding: 12px 20px;
    font-size: 14px;
    white-space: nowrap;
  }

  .tab-content h2 {
    font-size: 20px;
  }

  .brochure-image {
    padding: 15px;
  }

  .btn-download-brochure {
    width: 100%;
    justify-content: center;
    padding: 12px 30px;
    font-size: 15px;
  }

  .spec-label {
    width: 120px;
    font-size: 13px;
  }

  .spec-value {
    font-size: 13px;
  }

  .specs-table td {
    padding: 12px 15px;
  }

  .feature-item,
  .application-item {
    padding: 20px;
  }

  .feature-item h3,
  .application-item h3 {
    font-size: 16px;
  }

  .feature-item p,
  .application-item p {
    font-size: 13px;
  }

  .section-title {
    font-size: 20px;
  }

  .related-products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .related-products {
    padding: 20px;
  }

  .related-product-img {
    height: 180px;
  }

  .related-product-name {
    font-size: 13px;
    padding: 10px 8px;
    min-height: 55px;
  }

  .related-product-item {
    border: 1px solid #edf4ff;
    box-shadow: 0 18px 32px rgba(20, 88, 174, 0.07);
  }

}

@media (max-width: 480px) {
  .product-detail-container .container {
    padding: 0 12px;
  }

  .main-image {
    height: 280px;
  }

  .product-detail-title {
    font-size: 20px;
  }

  .tab-header {
    padding: 10px 15px;
    font-size: 13px;
  }

  .related-products-grid {
    gap: 10px;
  }
}