/* ========================================
   产品详情页 - 现代化专业设计
   Product Detail Page - Modern Professional Design
   ======================================== */

/* ========================================
   1. 页面整体布局优化
   ======================================== */
.product_list_detail_met_28_1.met-showproduct.pagetype1 {
    background: linear-gradient(180deg, #f0f7ff 0%, #ffffff 40%, #f8fbff 100%);
    position: relative;
    overflow: hidden;
}

/* 动态背景装饰 */
.product_list_detail_met_28_1.met-showproduct.pagetype1::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(0, 102, 204, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 200, 83, 0.04) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ========================================
   2. 产品头部区域（图片+信息）
   ======================================== */
.product_list_detail_met_28_1 .met-showproduct-head {
    background: transparent !important;
    padding: 50px 0 !important;
    border: none !important;
    position: relative;
    z-index: 1;
}

.product_list_detail_met_28_1 .met-showproduct-head .container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 50px rgba(0, 102, 204, 0.12);
    backdrop-filter: blur(10px);
}

.product_list_detail_met_28_1 .met-showproduct-head .row {
    margin: 0;
}

/* ========================================
   3. 产品图片轮播优化
   ======================================== */
.product_list_detail_met_28_1 .product-gallery-col {
    position: relative;
}

.product_list_detail_met_28_1 #met-imgs-slick1 {
    background: #f8f9fa;
    border-radius: 15px;
    overflow: visible !important; /* 允许缩略图溢出，确保左侧缩略图可见 */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
}

.product_list_detail_met_28_1 #met-imgs-slick1 .slick-slide img {
    border-radius: 15px;
    transition: transform 0.5s ease;
}

.product_list_detail_met_28_1 #met-imgs-slick1 .slick-slide:hover img {
    transform: scale(1.02);
}

/* 图片轮播箭头 - 标准模式下垂直排列 */
.product_list_detail_met_28_1.pagetype1 #met-imgs-slick1 .slick-arrow {
    width: 50px !important;
    height: 50px !important;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    opacity: 0.8;
    /* 不要覆盖原生的 transform 定位 */
}

.product_list_detail_met_28_1.pagetype1 #met-imgs-slick1 .slick-arrow:hover {
    background: linear-gradient(135deg, #0066CC 0%, #004C99 100%);
    opacity: 1;
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.3);
    /* 不要改变 transform，保留原生定位 */
}

.product_list_detail_met_28_1.pagetype1 #met-imgs-slick1 .slick-arrow i {
    color: #0066CC;
    transition: color 0.3s ease;
}

.product_list_detail_met_28_1.pagetype1 #met-imgs-slick1 .slick-arrow:hover i {
    color: #ffffff;
}

/* 不覆盖原生箭头位置，它们有特殊的垂直定位 */

/* 缩略图导航 - 左侧垂直排列 */
.product_list_detail_met_28_1.pagetype1 #met-imgs-slick1 .slick-dots {
    /* 保留原生定位，不覆盖 */
    background: rgba(255, 255, 255, 0.95) !important;
    border-radius: 10px;
    padding: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    /* 确保显示 */
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    /* 修复原生的 overflow:hidden 问题 */
    overflow: visible !important;
}

.product_list_detail_met_28_1.pagetype1 #met-imgs-slick1 .slick-dots li {
    /* 保留原生的宽度和高度 */
    border: 3px solid #e0e0e0 !important;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
    /* 确保显示 - 使用原生的半透明度 */
    display: block !important;
    visibility: visible !important;
    overflow: visible !important;
}

.product_list_detail_met_28_1.pagetype1 #met-imgs-slick1 .slick-dots li:hover {
    border-color: #0066CC !important;
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.2);
    opacity: 1 !important;
}

.product_list_detail_met_28_1.pagetype1 #met-imgs-slick1 .slick-dots li.slick-active {
    border-color: #0066CC !important;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.2);
    transform: translateX(5px) scale(1.03);
    opacity: 1 !important;
}

/* 确保缩略图图片显示 */
.product_list_detail_met_28_1.pagetype1 #met-imgs-slick1 .slick-dots li img {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    width: 100% !important;
    height: 100% !important;
    object-fit: scale-down !important;
    max-width: 100% !important;
    max-height: 100% !important;
}

/* 确保缩略图容器显示 */
.product_list_detail_met_28_1.pagetype1 #met-imgs-slick1 .slick-dots div {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    position: relative;
    width: 100%;
    overflow: visible !important;
}

/* 确保缩略图按钮显示 */
.product_list_detail_met_28_1.pagetype1 #met-imgs-slick1 .slick-dots li button {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    width: 100% !important;
    height: 100% !important;
    padding: 0 !important;
    background: transparent !important;
    border: none !important;
}

/* 确保缩略图的所有子元素都显示 */
.product_list_detail_met_28_1.pagetype1 #met-imgs-slick1 .slick-dots * {
    opacity: 1 !important;
    visibility: visible !important;
}

/* ========================================
   4. 产品信息区域优化
   ======================================== */
.product_list_detail_met_28_1 .product-info-col {
    position: relative;
}

.product_list_detail_met_28_1 .product-intro {
    margin-top: 0 !important;
}

/* 产品标题 */
.product_list_detail_met_28_1 .product-intro h1 {
    font-size: 36px !important;
    font-weight: 700 !important;
    line-height: 1.4;
    color: var(--primary-dark) !important;
    margin: 0 0 25px 0 !important;
    background: linear-gradient(135deg, #0066CC 0%, #00C853 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    animation: fadeInUp 0.6s ease-out;
}

/* 价格徽章 */
.product_list_detail_met_28_1 .product-price-badge {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 15px 30px;
    background: linear-gradient(135deg, #fff5f5 0%, #ffe9e9 100%);
    border-radius: 15px;
    border: 2px solid #ffdddd;
    margin-bottom: 25px;
    box-shadow: 0 5px 20px rgba(255, 100, 100, 0.1);
}

.product_list_detail_met_28_1 .product-price-badge .price-label {
    font-size: 14px;
    color: #666;
    font-weight: 500;
}

.product_list_detail_met_28_1 .product-price-badge .price-value {
    font-size: 28px;
    font-weight: 700;
    color: #ff4444;
    font-family: 'Arial', sans-serif;
}

/* 产品描述 */
.product_list_detail_met_28_1 .product-intro p.description {
    font-size: 15px;
    line-height: 1.8;
    color: #666 !important;
    margin-bottom: 25px;
    padding: 20px;
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
    border-radius: 10px;
    border-left: 4px solid #0066CC;
}

/* 产品元数据卡片 */
.product_list_detail_met_28_1 .product-meta-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.product_list_detail_met_28_1 .product-meta-cards .meta-card {
    padding: 15px 20px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 100%);
    border-radius: 12px;
    border: 2px solid #e8f0fe;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: all 0.3s ease;
}

.product_list_detail_met_28_1 .product-meta-cards .meta-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 102, 204, 0.15);
    border-color: #0066CC;
}

.product_list_detail_met_28_1 .product-meta-cards .meta-label {
    font-size: 12px;
    color: #999;
    font-weight: 500;
}

.product_list_detail_met_28_1 .product-meta-cards .meta-value {
    font-size: 16px;
    color: #0066CC;
    font-weight: 600;
}

/* 产品参数列表 */
.product_list_detail_met_28_1 .product-para {
    border: none !important;
    padding: 20px 0 !important;
    margin: 0 !important;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.product_list_detail_met_28_1 .product-para li {
    padding: 12px 18px;
    background: #ffffff;
    border-radius: 8px;
    border-left: 3px solid #0066CC;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #333 !important;
}

.product_list_detail_met_28_1 .product-para li:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.15);
    border-left-color: #00C853;
}

.product_list_detail_met_28_1 .product-para li span {
    font-weight: 600;
    color: var(--primary-dark);
    min-width: 100px;
}

/* 产品CTA按钮组 */
.product_list_detail_met_28_1 .product-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 30px;
}

.product_list_detail_met_28_1 .product-cta-group .btn-gradient-primary {
    background: linear-gradient(135deg, #0066CC 0%, #004C99 100%) !important;
    border: none !important;
    border-radius: 25px;
    padding: 12px 30px !important;
    font-weight: 600;
    font-size: 15px;
    color: #ffffff !important;
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.3);
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.product_list_detail_met_28_1 .product-cta-group .btn-gradient-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.4);
}

/* ========================================
   5. 折叠面板（产品详情）优化
   ======================================== */
.product_list_detail_met_28_1 .product-detail {
    background: transparent !important;
    padding: 50px 0 !important;
    margin: 0 !important;
}

.product_list_detail_met_28_1 .product-detail .container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 50px rgba(0, 102, 204, 0.12);
}

.product_list_detail_met_28_1 .product-collapse-card {
    background: #ffffff !important;
    border: 2px solid #e8f0fe !important;
    border-radius: 15px !important;
    margin-bottom: 15px !important;
    overflow: hidden;
    transition: all 0.3s ease;
}

.product_list_detail_met_28_1 .product-collapse-card:hover {
    border-color: #0066CC !important;
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.15);
}

/* 折叠面板标题 */
.product_list_detail_met_28_1 .product-collapse-card .panel-heading {
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
    border: none;
    padding: 0;
}

.product_list_detail_met_28_1 .product-collapse-card .panel-title {
    padding: 20px 30px !important;
    font-size: 18px !important;
    font-weight: 600 !important;
    color: #333 !important;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    transition: all 0.3s ease;
}

.product_list_detail_met_28_1 .product-collapse-card .panel-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 60%;
    background: linear-gradient(180deg, #0066CC 0%, #00C853 100%);
    border-radius: 0 5px 5px 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product_list_detail_met_28_1 .product-collapse-card .panel-title:hover,
.product_list_detail_met_28_1 .product-collapse-card .panel-title[aria-expanded="true"] {
    color: #0066CC !important;
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
}

.product_list_detail_met_28_1 .product-collapse-card .panel-title:hover::before,
.product_list_detail_met_28_1 .product-collapse-card .panel-title[aria-expanded="true"]::before {
    opacity: 1;
}

/* 展开/收起图标 */
.product_list_detail_met_28_1 .product-collapse-card .panel-title::after {
    font-family: 'FontAwesome', 'Web Icons';
    content: '\f107' !important;
    font-size: 20px;
    color: #0066CC;
    transition: transform 0.3s ease;
    position: absolute !important;
    right: 30px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
}

.product_list_detail_met_28_1 .product-collapse-card .panel-title[aria-expanded="true"]::after {
    transform: translateY(-50%) rotate(180deg) !important;
}

/* 折叠面板内容 */
.product_list_detail_met_28_1 .product-collapse-card .panel-body {
    padding: 30px !important;
    background: #ffffff;
}

.product_list_detail_met_28_1 .product-detail-content {
    line-height: 1.8;
    color: #444;
}

.product_list_detail_met_28_1 .product-detail-content h1,
.product_list_detail_met_28_1 .product-detail-content h2,
.product_list_detail_met_28_1 .product-detail-content h3,
.product_list_detail_met_28_1 .product-detail-content h4 {
    color: var(--primary-dark);
    margin-top: 25px;
    margin-bottom: 15px;
    font-weight: 600;
}

.product_list_detail_met_28_1 .product-detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 20px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

/* ========================================
   6. 相关产品区域
   ======================================== */
.product_list_detail_met_28_1 .met-showproduct-body {
    background: transparent !important;
    padding: 50px 0 80px !important;
    border: none !important;
}

/* 相关产品推荐区域样式已移至 product-related-display.css */

/* ========================================
   6.5. 产品详情内容展开/收起功能 - 完整实现
   ======================================== */
.product-detail-wrapper {
    position: relative;
    width: 100%;
}

/* 产品详情文本区域 - 默认收起状态（显示4-5行） */
.product-detail-text {
    overflow: hidden;
    position: relative;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    line-height: 1.8;
    color: #4a5568;
    font-size: 15px;
    /* max-height 由JavaScript动态设置为5行高度 */
}

/* 展开状态 */
.product-detail-text.expanded {
    max-height: none !important;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 渐变遮罩效果 - 在收起状态下显示 */
.product-detail-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 60px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.8) 50%, rgba(255, 255, 255, 1) 100%);
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

/* 展开状态时隐藏遮罩 */
.product-detail-text.expanded::after {
    opacity: 0;
    visibility: hidden;
}

/* 展开按钮容器 */
.product-detail-more-wrapper {
    text-align: center;
    margin-top: 20px;
    padding-top: 15px;
    position: relative;
    width: 100%;
}

/* 按钮上方的装饰线 */
.product-detail-more-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 204, 0.3), transparent);
}

/* 更多详情按钮 */
.product-detail-more-btn {
    background: linear-gradient(135deg, #0066CC 0%, #004C99 100%);
    color: #ffffff !important;
    border: none;
    padding: 12px 32px;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.2);
    position: relative;
    overflow: hidden;
    outline: none;
}

/* 按钮悬停光效 */
.product-detail-more-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.product-detail-more-btn:hover::before {
    left: 100%;
}

/* 按钮悬停效果 */
.product-detail-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.3);
    background: linear-gradient(135deg, #004C99 0%, #0066CC 100%);
}

/* 按钮点击效果 */
.product-detail-more-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(0, 102, 204, 0.2);
}

/* 按钮图标 - 旋转动画 */
.product-detail-more-btn .expand-icon {
    font-size: 16px;
    transition: transform 0.3s ease;
    display: inline-block;
    vertical-align: middle;
    line-height: 1;
}

/* 展开状态时图标旋转180度 */
.product-detail-more-btn.active .expand-icon {
    transform: rotate(180deg);
}

/* 按钮文本 */
.product-detail-more-btn .more-text,
.product-detail-more-btn .less-text {
    display: inline-block;
    vertical-align: middle;
    line-height: 1;
}

/* 隐藏按钮 - 当内容少于5行时 */
.product-detail-wrapper.has-short-content .product-detail-more-wrapper {
    display: none !important;
}

/* ========================================
   7. 标签区域
   ======================================== */
.product_list_detail_met_28_1 .tag {
    margin: 30px 0;
    padding: 25px 30px !important;
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
    border-radius: 15px;
    border: 1px solid #e8f0fe;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
}

.product_list_detail_met_28_1 .tag > span {
    font-weight: 600;
    color: var(--primary-dark);
    font-size: 16px;
}

.product_list_detail_met_28_1 .tag a {
    padding: 8px 20px !important;
    background: #ffffff;
    color: #0066CC !important;
    border: 1px solid #0066CC;
    border-radius: 20px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-block;
}

.product_list_detail_met_28_1 .tag a:hover {
    background: linear-gradient(135deg, #0066CC 0%, #004C99 100%) !important;
    color: #ffffff !important;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.2);
}

/* ========================================
   8. 分页导航
   ======================================== */
.product_list_detail_met_28_1 .product-pagination {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid #e8f0fe;
}

.product_list_detail_met_28_1 .pagin {
    border: none !important;
}

/* ========================================
   9. 响应式优化
   ======================================== */
@media (max-width: 1199px) {
    .product_list_detail_met_28_1 .product-intro h1 {
        font-size: 32px !important;
    }
    
    .product_list_detail_met_28_1 .product-meta-cards {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
}

@media (max-width: 991px) {
    .product_list_detail_met_28_1 .met-showproduct-head {
        padding: 40px 0 !important;
    }
    
    .product_list_detail_met_28_1 .met-showproduct-head .container,
    .product_list_detail_met_28_1 .product-detail .container,
    .product_list_detail_met_28_1 .product-related-section .container {
        padding: 30px;
        border-radius: 15px;
    }
    
    .product_list_detail_met_28_1 .product-intro h1 {
        font-size: 28px !important;
        margin-bottom: 20px !important;
    }
    
    .product_list_detail_met_28_1 .product-intro {
        margin-top: 30px !important;
    }
    
    .product_list_detail_met_28_1 .product-para {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

@media (max-width: 767px) {
    .product_list_detail_met_28_1 .met-showproduct-head {
        padding: 30px 0 !important;
    }
    
    .product_list_detail_met_28_1 .met-showproduct-head .container,
    .product_list_detail_met_28_1 .product-detail .container,
    .product_list_detail_met_28_1 .product-related-section .container {
        padding: 20px;
        border-radius: 10px;
    }
    
    .product_list_detail_met_28_1 .product-intro h1 {
        font-size: 24px !important;
        margin-bottom: 15px !important;
    }
    
    .product_list_detail_met_28_1 .product-intro {
        margin-top: 20px !important;
    }
    
    .product_list_detail_met_28_1 .product-price-badge {
        flex-direction: column;
        gap: 8px;
        padding: 12px 20px;
        align-items: flex-start;
    }
    
    .product_list_detail_met_28_1 .product-price-badge .price-value {
        font-size: 24px;
    }
    
    .product_list_detail_met_28_1 .product-intro p.description {
        font-size: 14px;
        padding: 15px;
    }
    
    .product_list_detail_met_28_1 .product-meta-cards {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .product_list_detail_met_28_1 .product-para li {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 12px 15px;
    }
    
    .product_list_detail_met_28_1 .product-para li span {
        min-width: auto;
    }
    
    .product_list_detail_met_28_1 .product-collapse-card .panel-title {
        padding: 15px 20px !important;
        font-size: 16px !important;
    }
    
    .product_list_detail_met_28_1 .product-collapse-card .panel-body {
        padding: 20px !important;
    }
    
    
    .product_list_detail_met_28_1 #met-imgs-slick1 .slick-arrow {
        width: 40px !important;
        height: 40px !important;
    }
    
    .product_list_detail_met_28_1 #met-imgs-slick1 .slick-arrow i {
        font-size: 18px !important;
    }
}

/* ========================================
   10. 动画效果
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.product_list_detail_met_28_1 .product-meta-cards .meta-card {
    animation: fadeInUp 0.5s ease-out backwards;
}

.product_list_detail_met_28_1 .product-meta-cards .meta-card:nth-child(1) { animation-delay: 0.1s; }
.product_list_detail_met_28_1 .product-meta-cards .meta-card:nth-child(2) { animation-delay: 0.2s; }
.product_list_detail_met_28_1 .product-meta-cards .meta-card:nth-child(3) { animation-delay: 0.3s; }

.product_list_detail_met_28_1 .product-collapse-card {
    animation: slideIn 0.5s ease-out backwards;
}

.product_list_detail_met_28_1 .product-collapse-card:nth-child(1) { animation-delay: 0.1s; }
.product_list_detail_met_28_1 .product-collapse-card:nth-child(2) { animation-delay: 0.2s; }
.product_list_detail_met_28_1 .product-collapse-card:nth-child(3) { animation-delay: 0.3s; }

/* ========================================
   11. 加载优化
   ======================================== */
.product_list_detail_met_28_1 #met-imgs-slick1 img[data-lazy] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product_list_detail_met_28_1 #met-imgs-slick1 img[data-lazy].lazy-loaded,
.product_list_detail_met_28_1 #met-imgs-slick1 img:not([data-lazy]) {
    opacity: 1;
}