/* 产品页面专用样式 */

/* 产品容器 */
.products-container {
    padding: 40px 0 60px ;
    background: #f7fafd !important;
    position: relative ;
    z-index: 1 ;
    min-height: 800px ;
}

/* 产品布局 */
.products-container .products-layout {
    display: flex ;
    gap: 20px ;
}

/* 左侧分类 */
.products-container .product-sidebar {
    width: 250px !important;
    flex-shrink: 0 ;
    position: sticky ;
    top: 20px ;
    height: fit-content ;
    border:0!important;
    background: none !important;
   
}

.products-container .category-wrapper {
    background: #fff ;
    border-radius: 10px ;
    margin-bottom: 30px;
    box-shadow: 0 4px 16px rgba(20, 88, 174, 0.13);
}

.products-container .sidebar-title {
    padding:20px 20px ;
    font-size: 16px ;
    font-weight: 600 ;
    color: #fff ;
    background: linear-gradient(135deg, #0369f6, #0047c9);
    border-radius: 10px 10px 0 0;
  
}

.products-container .category-list {
    list-style: none ;
    padding: 10px 0 ;
    margin: 0 ;
}

.products-container .category-item {
    border-bottom: 1px solid #edf4ff ;
}

.products-container .category-item:last-child {
    border-bottom: none ;
}

.products-container .category-item a {
    display: block ;
    padding: 12px 20px ;
    color:#333;
    text-decoration: none ;
    font-size: 14px ;
    transition: all 0.3s ;
}
.products-container .active a{
    font-weight: 600 ;
    color:var(--blue)!important;
}
.products-container .category-item a:hover{
    color:var(--blue) ;
}
/* 右侧产品区 */


.products-container .product-main {
    flex: 1 ;
    position: relative ;
    z-index: 2 ;
    background: #fff;
    box-shadow: 0 4px 16px rgba(20, 88, 174, 0.13);
    border-radius: 10px;
}

.products-container .product-header {
    display: flex ;
    justify-content: space-between ;
    align-items: center ;
    margin-bottom: 30px ;
    padding: 15px 20px;
    border-bottom: 0;
      position: relative;
}


.products-container .product-title {
    font-size: 24px ;
    font-weight:500 ;
    color: #333 ;
    margin: 0 ;
  
}
.products-container .product-header ::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 20px;
    width:100px;
    background:linear-gradient(90deg, rgba(7, 91, 216, 1), transparent);
    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: 20px ;
    margin-bottom: 0 ;
    padding:0 20px 30px 20px;
}

.products-container .product-item {
    background: #fff ;
    border: 1px solid #edf4ff;
    box-shadow: 0 18px 32px rgba(20, 88, 174, 0.07);
    border-radius: 4px ;
    overflow: hidden ;
    transition: all 0.3s ;
}

.products-container .product-item:hover {
    box-shadow: 0 4px 12px rgba(20, 88, 174, 0.13) ;
    transform: translateY(-3px) ;
    border: 1px solid  #e8f4ff;
}

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

.products-container .product-img {
    width: 100%;
    height: 235px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    overflow: hidden;
}

.products-container .product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.products-container .product-name {
    padding: 0 ;
    font-size: 16px ;
    font-weight: 500 ;
    color: #333 ;
    text-align: center;
    margin: 0 ;
    line-height: 1.5 ;
    min-height: 60px ;
    display: flex ;
    align-items: center ;
    justify-content: center ;
    overflow: hidden;
}
.products-container p{
    color: #6a7687;
    font-size: 14px;
    font-weight: 400;
     text-align: center;
     padding:0 0 15px 0 ;
}
.products-container .product-item:hover .product-name {
    color: var(--blue) ;
}

/* 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 {
    box-shadow: 0 4px 16px rgba(20, 88, 174, 0.13);
    border-radius: 10px;
    overflow: hidden;
    background: url('/skin/keliyue/img/wx-lx.png') top right no-repeat  #f5f7fe;
    background-size:50% auto ;
}


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

.products-container .contact-card-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    text-align: left;
}
.products-container .contact-card-header h3 i{
    padding-right: 10px;
}
.products-container .contact-card-body {
    padding: 20px;
}

.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: #f0f5fd;
    border-radius: 30px;
    color:var(--blue) ;
    line-height: 30px;
    text-align: center;
    margin-right: 10px;
}

.products-container .contact-value {
    color: #333;
    font-weight: 600;
}

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

.products-container .contact-link:hover {
    color: #40a9ff;
    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 #e0e0e0;
    border-radius: 10px;
    margin: 0 auto 10px;
    display: block;
    z-index: 9;
    position: absolute;
    top:10px;
    left: 35px;

}

.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(90deg,#69c0ff , var(--blue)) ;
    left:35px ;
    bottom:5px;
    z-index:0;
    padding-top:5px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    padding-top:20px;
}

/* 所有分页按钮 */
.pagination a,
.pagination b {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    background: #fff;
    color: #666;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s;
}

/* hover */
.pagination a:hover {
    background: var(--blue);
    color: #fff;
    border-color: var(--blue);
}

/* 当前页 */
.pagination b {
    background: var(--blue);
    color: #fff;
    border-color: var(--blue);
    font-weight: normal;
}

/* 去掉nbsp影响 */
.pagination {
    font-size: 0;
}
.pagination a,
.pagination b {
    font-size: 14px;
}


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

@media (max-width: 992px) {
    /* 切换为移动端单列布局 */
    .products-container {
        padding: 30px 0 50px;
    }
    
    .products-container .products-layout {
        flex-direction: column ;
    }
    
    .products-container .product-sidebar {
        width: 100% !important;
        position: static !important;
        margin-bottom:0px;
    }
    .sidebar-title{display:none;}
    .products-container .product-main {
        width: 100% ;
    }
    
    .products-container .product-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px ;
        padding: 20px 0 !important;
    }
    
    /* 侧边栏样式优化 */
    .products-container .sidebar-title {
        font-size: 15px;
        padding: 12px 15px;
    }
    
    .products-container .category-item a {
        display: block;
        padding: 8px 12px;
        font-size: 12px !important;
    }
    
    .products-container .category-header {
        padding: 10px 15px;
    }
    
    .products-container .category-header a {
        font-size: 13px;
    }
    
    .products-container .subcategory-item a {
        padding: 8px 15px 8px 30px;
        font-size: 12px;
    }
}

@media (max-width: 992px) {
    /* 产品容器 */
    .products-container {
        padding: 20px 0 40px;
    }
    
    .products-container .container {
        padding: 0 15px;
    }
    
    /* 侧边栏 */
    .products-container .product-sidebar {
        width: 100% !important;
        position: static !important;
        margin-bottom: 0px;
        white-space: nowrap;  
        overflow-x: auto;      
        overflow-y: hidden;     
        -webkit-overflow-scrolling: touch; 
    }
    
    /* 隐藏联系卡片 */
    .products-container .contact-card {
        display: none !important;
    }
    
    /* 分类样式优化 */
    .products-container .category-wrapper {
        margin-bottom: 0;
        background: none;
        box-shadow: none;
    }
    .products-container .category-item{
        border: 0;
        background: #fff;
        border-radius: 5px;
        display: flex;
        align-items: center;
        
    }
    .products-container .active{
         background: linear-gradient(135deg, #086cf5, #0046c0);
    }
    .products-container .active a{
        color: #fff !important;

    }
    .category-list {
       display: flex;
  flex-wrap: nowrap; /* 禁止换行 核心 */
  gap: 8px;
  overflow-x: auto;  /* 横向滚动 */
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch; /* 移动端顺滑滚动 */
    }
}
    .products-container .sidebar-title {
        font-size: 15px;
        padding: 12px 15px;
    }
    
    
    .products-container .category-header {
        padding: 10px 15px;
    }
    
    .products-container .category-header a {
        font-size: 13px;
    }
    
    .products-container .subcategory-item a {
        padding: 8px 15px 8px 30px;
        font-size: 12px;
    }
    
    /* 产品主体 */
    .products-container .product-header {
        flex-direction: column ;
        align-items: flex-start ;
        gap: 15px ;
        margin-bottom: 20px;
        padding-bottom: 12px;
        position: relative;
    }
        .products-container .product-header ::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0px;
    width:100px;
    background:linear-gradient(90deg, rgba(7, 91, 216, 1), transparent);
    height: 4px;
    border-radius: 2px;
}
    
    .products-container .product-title {
        font-size: 18px ;
        position: relative;
    }

    
    .products-container .product-sort {
        width: 100% ;
    }
    
    .products-container .sort-select {
        flex: 1 ;
        font-size: 13px;
        padding: 6px 12px;
    }
    
    /* 产品网格 - 一行两个 - 提高优先级 */
    .products-container .product-main .product-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 10px !important;
    }
    
    .products-container .product-grid .product-item {
        border-radius: 6px;
          border: 1px solid #edf4ff;
        box-shadow: 0 18px 32px rgba(20, 88, 174, 0.07);
    }
    
 
    
    .products-container .product-grid .product-item .product-name {
        padding: 10px 8px;
        font-size: 13px;
        min-height: 55px;
        line-height: 1.4;
    }
    
    /* 分页 */
    .products-container .pagination {
        margin-top: 30px;
        gap: 15px;
    }
    
    .products-container .page-btn {
        padding: 6px 15px;
        font-size: 13px;
    }
    
    .products-container .page-info {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    /* 超小屏幕优化 */
    .products-banner {
        padding: 40px 0;
    }
    
    .products-banner-title {
        font-size: 24px;
    }
    
    .products-banner-subtitle {
        font-size: 14px;
    }
    
    .breadcrumb-nav .container {
        padding: 0 12px;
    }
    
    .products-container .container {
        padding: 0 12px;
    }
    
    .products-container .product-main .product-grid {
        gap: 8px !important;
        padding: 0 2px !important;
    }
    
    .products-container .product-grid .product-item .product-img {
        height: 140px;
    }
    
    .products-container .product-grid .product-item .product-name {
        font-size: 12px;
        padding: 8px 6px;
        min-height: 50px;
    }
}


/* 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;
    }
}

/* 左侧展开产品区 */
.subcategory-list {
    display: none;
}

.category-item.active .subcategory-list {
    display: block;
}