/* 产品页面专用样式 */
.main-content * {
  line-height: 1;
}

.about-hero * {
  line-height: 1.6;
}

.product-card {
  padding: 0;
}

/* 产品 Hero区域（更矮一些，约400px） */
.product-hero {
  position: relative;
  height: 400px;
  background: linear-gradient(315deg, #0b346c 0%, #257dba 100%);
}

/* 移除暗色遮罩，保持与底部渐变一致 */
.product-hero::before {
  content: none;
}

.product-hero-inner {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  color: #fff;
  text-align: left;
  padding: 0 0 100px;
  /* 与about保持一致的底部间距 */
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.product-hero-copy {
  display: inline-block;
}

/* 标题与about页一致（去掉阴影） */
.product-hero-title {
  font-size: 40px;
  font-weight: 900;
  letter-spacing: .02em;
  /* 移除阴影，按需求不需要阴影 */
  /* text-shadow: 0 2px 8px rgba(0,0,0,.35); */
  margin: 0;
  line-height: 1.15;
}

/* 英文广告语与about页一致：两端对齐并撑满 */
.product-hero-en {
  margin-top: 2px;
  font-size: 16px;
  opacity: .9;
  line-height: 1.1;
  text-align: justify;
  text-align-last: justify;
  text-justify: inter-ideograph;
  display: block;
  width: 100%;
}

.product-hero-en::after {
  content: '';
  display: inline-block;
  width: 100%;
}



/* 响应式设计（对齐about页文案的字号与对齐策略） */
@media (max-width: 768px) {
  .product-hero {
    height: 300px;
  }

  .product-hero-inner {
    padding: 0 20px 20px;
    /* 恢复底部留白，让菜单导航绝对定位到左下角 */
    align-items: flex-end;
    justify-content: flex-start;
    text-align: left;
  }

  .product-hero-copy {
    display: inline-block;
    text-align: left;
    margin-bottom: 80px;
  }

  .product-hero-title {
    font-size: 24px;
    /* 与about一致 */
    line-height: 1.2;
  }

  .product-hero-en {
    font-size: 12px;
    /* 与about一致 */
    margin-top: 2px;
    text-align: justify;
    /* 两端对齐 */
    text-align-last: justify;
    /* 最后一行也两端对齐 */
  }

  /* 移动端菜单导航定位 */


  /* 移动端隐藏卡片导航 */
  .product-nav-section {
    display: none;
  }
}

@media (max-width: 480px) {
  .product-hero {
    height: 250px;
  }

  .product-hero-title {
    font-size: 20px;
    /* 与about一致 */
  }

  .product-hero-en {
    font-size: 10px;
    /* 与about一致 */
  }
}



/* 产品分类导航（Banner 下方） */
.product-nav-section {
  background: #f3f3f3;
  /* 主体灰色 */
  padding: 35px 0 0;
  /* 顶部留白，底部与卡片合并视觉 */
}

.product-nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  /* 移除底部间距 */
}

.product-nav-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  /* 视觉为整块卡片，无间隙 */
  background: #fff;
  border-radius: 0;
  /* 移除圆角 */
  overflow: visible;
  /* 允许下拉菜单溢出 */
  box-shadow: 0 1px 3px rgba(0, 0, 0, .06);
  position: relative;
  /* 为下拉菜单定位 */
}

.product-nav-item {
  position: relative;

}
.product-nav-item-a{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px 0 30px;
  color: #333;
  text-decoration: none;
  position: relative;
}
.product-nav-item::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  width: 1px;
  height: 65%;
  background-color: #ededed;
}

.product-nav-item:last-child::after {
  display: none;
}

/* 下拉菜单 */
.product-nav-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  /* 设定一个宽度 */
  background-color: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  padding: 10px;
  border-top: 1px solid #eee;
  grid-template-columns: repeat(2, 1fr);
  /* 两列布局 */
  gap: 5px;
}

.product-nav-item:hover .product-nav-dropdown {
  display: grid;
  /* 改为grid */
}

.dropdown-item {
  display: block;
  padding: 8px 15px;
  color: #333;
  text-decoration: none;
  transition: color 0.3s, transform 0.3s;
  border-radius: 4px;
  margin-left: 10px;
  /* 增加左边距 */
  font-size: 16px;
}

.dropdown-item:hover {
  background-color: transparent;
  font-weight: 700;
  /* 移除背景色 */
  color: #1c539d;
  /* 文字变蓝 */
  transform: translateX(4px);
  /* 轻微位移 */
}

.product-nav-item .icon {
  /* 与示意接近的高度 */
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
}

.product-nav-item .icon img {
  display: block;
  height: 80px;
  transition: all .3s;
}


.product-nav-item .label {
  font-size: var(--font_18);
  transition: all .3s;
  color: #222;
}

/* 竖向分隔线 */
.product-nav-item+.product-nav-item::before {
  content: '';
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: 0;
  width: 1px;
  background: rgba(0, 0, 0, .08);
}

/* hover 高亮 */
.product-nav-item:hover img {
  transform: scale(1.1);
}
.product-nav-item.on img {
  transform: scale(1.1);
}
.product-nav-item:hover .label {
  font-weight: 700;
}
.product-nav-item.on .label {
  font-weight: 700;
}

/* 选中态：底部下划线铺满整项宽度 */
.product-nav-item.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: #1c539d;
}

/* 移动端：隐藏横向网格，显示下拉 */
@media (max-width: 768px) {
  .product-nav-grid {
    display: none;
  }
}

@media (min-width: 769px) {
  .product-mobile-dropdown {
    display: none;
  }
}

/* 为放在产品区块中的通用下拉在灰背景上留出呼吸感 */
.product-nav-inner .mobile-dropdown-nav {
  margin-top: 16px;
}



/*------------------------------------------------------------------
  [产品搜索与列表]
-------------------------------------------------------------------*/
.product-list-section {
  background-color: #f3f3f3;
  /* 统一背景色 */
  padding: 35px 0 100px;
  /* 调整上下间距 */
}

.product-list-inner {
  max-width: 1400px;
  /* 统一版心 */
  margin: 0 auto;
  padding: 0 20px;
}

/* 搜索栏 */
.product-search-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #fff;
  border: 1px solid #eee;
  margin-bottom: 35px;
  /* 统一间距 */
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  flex-grow: 1;
  height: 100%;
  padding: 0 20px;
}

.search-icon {
  color: #999;
  margin-right: 10px;
}

.product-search-bar input[type="text"] {
  border: none;
  outline: none;
  width: 100%;
  font-size: 16px;
}

.search-button {
  width: 170px;
  height: 65px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #333;
  color: #fff;
  border: none;
  padding: 0;
  /* 调整按钮内边距 */
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s;
  align-self: stretch;
  /* 让按钮高度撑满 */
}

.search-button span {
  margin-right: 35px;
  font-size: 20px;
}

.search-button:hover {
  background-color: #555;
}

/* 产品网格 */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-bottom: 40px;
}

.product-card {
  background-color: #fff;
  border: 1px solid #fff;
  /* 添加默认白色边框防止抖动 */
  transition: border-color 0.3s, box-shadow 0.3s;
  text-decoration: none;
  /* 移除a标签下划线 */
  color: inherit;
  /* 继承文本颜色 */
  display: block;
  /* 让a标签表现为块级元素 */
  min-height: auto;
  /* 尝试取消最小高度 */
}

.product-card:hover {
  border-color: #1c539d;
  /* 蓝色边框 */
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  /* 添加阴影 */
}

.product-card-content {
  display: flex;
  flex-direction: row;
  /* 显式设置为左右结构 */
  padding: 60px 50px;
  align-items: center;
}

.product-info {
  flex: 1;
  padding-right: 10%;
}

.product-name {
  font-size: 34px;
  line-height: 1;
  font-weight: bold;
  color: #1c539d;
  /* 蓝色标题 */
  margin-bottom: 10px;
  /* 减小与副标题的间距 */
}

.product-model {
  font-size: 20px;
  color: #222;
  /* 更新副标题颜色 */
  margin-bottom: 30px;
  /* 减小间距 */
  padding-bottom: 30px;
  /* 减小间距 */
  border-bottom: 1px dashed #ccc;
  /* 添加虚线 */
  position: relative;
}

.product-desc {
  padding-right: 30px;
  font-size: 14px;
  color: #888;
  line-height: 1.6;
  margin-bottom: 30px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  /* 限制显示的行数 */
  -webkit-box-orient: vertical;
  overflow: hidden;
  /* 隐藏超出部分 */
  text-overflow: ellipsis;
  /* 显示省略号 */
}

.product-card .product-desc {
  -webkit-line-clamp: 2;
}

.product-link {
  font-size: 16px;
  color: #222;
  text-decoration: none;
  /* font-weight: bold; */
  transition: color 0.3s;
}

.product-link i {
  margin-left: 10px;
  transition: transform 0.3s;
}

.product-card:hover .product-link {
  color: #1c539d;
}

.product-card:hover .product-link i {
  transform: translateX(4px);
}

.product-image {
  width: 32%;
  /* 正方形图片 */
  /* margin-left: 30px; */
  display: flex;
  align-items: center;
  justify-content: center;
  /* background-color: #f0f0f0; */
  /* 灰色占位符背景 */
}

.product-image img {
  width: 100%;
  max-width: 100%;
  max-height: 100%;
  height: auto;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: flex-start;
  /* 靠左对齐 */
  align-items: center;
}

.page-link {
  color: #333;
  text-decoration: none;
  padding: 10px 15px;
  margin: 0 5px;
  border: 1px solid #ddd;
  transition: background-color 0.3s, color 0.3s;
  background-color: #fff;
  /* 默认白色底 */
}

.page-link.active,
.page-link:hover {
  background-color: #333;
  color: #fff;
  border-color: #333;
}

.page-link.prev,
.page-link.next {
  font-weight: normal;
  /* 取消粗体 */
}

/* 新增：一排一个产品列表的样式 */
.product-list-single {
  margin-top: 40px;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.product-list-single .product-card-content {
  display: flex;
  align-items: center;
  gap: 50px;
  /* 增加图片与内容的间距 */
}

.product-list-single .product-image {
  width: 240px;
  /* 固定图片宽度 */
  /* height: 180px; */
  /* 固定图片高度 */
  flex-shrink: 0;
}

.product-list-single .product-info {
  flex-grow: 1;
}

.product-list-single .product-actions {
  display: flex;
  flex-direction: column;
  gap: 15px;
  /* 增加按钮间距 */
  width: 120px;
  /* 固定宽度 */
  flex-shrink: 0;
  margin: 0 7%;
}

.product-list-single .action-btn {
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f0f0f0;
  border: 1px solid #ddd;
  color: #333;
  padding: 0 10px;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.3s, border-color 0.3s;
  font-size: 16px;
}

.product-list-single .action-btn:hover {
  background-color: #e0e0e0;
  border-color: #ccc;
}

.product_single_tle {
  display: flex;
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: 1px dashed #ccc;
}

.product_single_tle .product-model {
  margin: 0;
  padding: 0;
  border: 0;
}

.product_single_tle .product-model {
  margin-left: 20px;
  align-self: flex-end;
  padding-bottom: 5px;
}

.product_single_tle .product-name {
  margin-bottom: 0;
}

@media (max-width: 1600px) {
  .product-name {
    font-size: 30px;
  }

  .product-model {
    font-size: 18px;
  }


}

@media (max-width: 1400px) {
  .product-name {
    font-size: 26px;
  }

  .product-model {
    font-size: 16px;
  }

  .product-model {
    margin-bottom: 20px;
    padding-top: 20px;
  }
}

@media (max-width: 1200px) {
  .product-card-content {
    padding: 35px 25px;
  }

  .product-name {
    font-size: 22px;
  }

  .product-model {

    margin-bottom: 10px;
    padding-top: 10px;
    padding-bottom: 20px;
  }

  .product-link {
    font-size: 14px;
  }

  .product-list-single .product-card-content {
    gap: 0;
  }

  .product-list-single .product-image {
    margin-left: 0;
  }

  .product-list-single .product-actions {
    margin: 0 5%;
  }

  .product_single_tle {
    display: block;
  }

  .product_single_tle .product-model {
    margin-top: 15px;
    margin-left: 0;
  }
}

/* 响应式调整 */
@media (max-width: 992px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .product-list-section {
    padding-top: 20px;
    /* 缩小与banner的距离 */
  }

  .product-search-bar {
    flex-direction: row;
    margin-bottom: 20px;
  }

  .search-input-wrapper {
    padding: 8px 15px;
  }

  .search-button {
    padding: 15px;
    font-size: 14px;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .product-card-content {
    flex-direction: column;
    padding: 10px;
    /* 减小内边距 */
  }

  .product-image {
    width: 100%;
    height: auto;
    padding-top: 100%;
    /* 保持1:1比例 */
    position: relative;
    margin-left: 0;
    margin-top: 0;
  }

  .product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .product-info {
    padding-top: 0;
    /* 移除顶部内边距 */
    margin-bottom: 10px;
    /* 增加与图片间距 */
  }

  .product-name {
    font-size: 16px;
    margin-bottom: 5px;
  }

  .product-model {
    font-size: 14px;
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
  }

  .product-desc,
  .product-link {
    display: none;
    /* 隐藏描述和链接 */
  }

  /* 新增：单列产品列表的响应式样式 */
  .product-list-single .product-card-content {
    flex-direction: row;
    gap: 20px;
    /* 增加图片与内容间距 */
    padding: 15px;
    align-items: flex-start;
    /* 顶部对齐 */
  }

  .product-list-single .product-image {
    width: 160px;
    /* 移动端图片位置大一些 */
    height: 160px;
    /* 保持正方形 */
    flex-shrink: 0;
    padding-top: 0;
    /* 覆盖网格视图的样式 */
    position: static;
    /* 覆盖网格视图的样式 */
  }

  .product-list-single .product-image img {
    position: static;
    /* 覆盖网格视图的样式 */
    object-fit: cover;
  }

  .product-list-single .product-info {
    margin-top: 0;
  }

  .product-list-single .product-name {
    font-size: 18px;
    /* 型号标题大一些 */
    margin-bottom: 2px;
    /* 型号离标题再近一点 */
  }

  .product-list-single .product-model {
    font-size: 14px;
    border-bottom: 1px dashed #ccc;
    /* 保留电脑端的线条 */
    padding-bottom: 10px;
    /* 离描述远一些 */
    margin-bottom: 10px;
    /* 离描述远一些 */
  }

  .product-list-single .product-desc {
    display: -webkit-box;
    /* 确保描述可见 */
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 13px;
  }

  .product-list-single .product-link {
    display: block;
    /* 确保链接可见 */
    margin-top: 10px;
  }

  .product-list-single .product-actions {
    display: none;
    /* 移动端隐藏掉product-actions */
  }
}

@media (max-width:768px) {
  .search-button {
    height: 50px;
  }

  .search-button span {
    font-size: 14px;
  }

  .product-list-single .product-desc {
    display: none;
  }

  .product_single_tle .product-model {
    margin-bottom: 0;
    padding-bottom: 0;
    border: 0;
  }

  .product_single_tle {
    padding-bottom: 0;
    margin-bottom: 0;
  }

  .product_single_tle {
    border: 0;
  }

  .product-list-single .product-card-content {
    align-items: center;
  }
}