/* 页面整体背景色 */
.product-view-c1 {
    background: #f5f5f5;
    padding-top: 0 !important;
}

/* 覆盖外层容器的宽度限制 */
.product-view-c1 .content {
    max-width: 70% !important;
    width: 70% !important;
    margin-top: 0 !important;
    padding-top: 0 !important;
}

/* 针对特定分辨率进一步优化 */
@media (min-width: 1400px) and (max-width: 1500px) {
    .product-view-c1 .content {
        max-width: 98% !important;
        width: 98% !important;
    }
    
    .product-breadcrumb {
        max-width: 98%;
    }
    
    .category-nav-container {
        max-width: 98%;
    }
}

/* 新的产品信息布局样式 */
.product-info-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
    padding: 20px 20px 40px;
    background: #fff;
}

/* 面包屑导航容器 */
.product-breadcrumb-wrapper {
    width: 100%;
    padding: 20px 0;
    background: #fff;
    margin-bottom: 15px;
}

/* 面包屑固定定位（滚动时固定在顶部） */
.product-breadcrumb-wrapper.fixed {
    position: fixed;
    top: 115px; /* 公告栏40px + 导航栏75px */
    left: 0;
    right: 0;
    z-index: 100;
}

body.announcement-closed .product-breadcrumb-wrapper.fixed {
    top: 75px; /* 公告栏关闭时只有导航栏75px */
}

/* 面包屑占位元素 */
.breadcrumb-placeholder {
    display: none;
}

.breadcrumb-placeholder.show {
    display: block;
}

/* 面包屑导航 */
.product-breadcrumb {
    max-width: 90%;
    margin: 0 auto;
    padding-left: 32px; /* 与导航链接的左侧 padding 对齐 */
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    display: flex;
    align-items: flex-end;
    box-sizing: border-box;
}

.product-breadcrumb a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 16px;
    display: inline-block;
    vertical-align: baseline;
}

.product-breadcrumb a:hover {
    color: #0066cc;
}

.product-breadcrumb .separator {
    margin: 0 10px;
    color: #999;
    font-size: 16px;
    display: inline-block;
    vertical-align: baseline;
}

.product-breadcrumb .current {
    color: #FFA500;
    font-weight: normal;
    font-size: 18px;
    display: inline-block;
    vertical-align: baseline;
}

/* 产品分类导航栏 */
.product-category-nav-bar {
    background: linear-gradient(135deg, #003d5c 0%, #005073 100%);
    border: none !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0 !important;
    margin: 0 0 20px 0 !important;
    box-shadow: none !important;
    outline: none !important;
}

.category-nav-container {
    max-width: 90%;
    margin: 0 auto !important;
    display: flex;
    gap: 0 !important;
    flex-wrap: wrap;
    line-height: 0;
    padding: 0 !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.category-nav-link {
    padding: 18px 32px !important;
    font-size: 16px;
    color: #fff !important;
    text-decoration: none !important;
    border-radius: 0 !important;
    transition: background 0.3s ease, color 0.3s ease;
    background: transparent;
    background-clip: padding-box !important;
    border: 0 !important;
    outline: 0 !important;
    display: inline-block;
    align-items: center;
    justify-content: center;
    box-shadow: none !important;
    -webkit-tap-highlight-color: transparent !important;
    vertical-align: top !important;
    margin: 0 !important;
    line-height: normal !important;
    height: 100% !important;
    box-sizing: border-box !important;
}

.category-nav-link::before,
.category-nav-link::after {
    display: none !important;
}

.category-nav-link:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    color: #fff !important;
    border: 0 !important;
    outline: 0 !important;
    box-shadow: none !important;
    text-decoration: none !important;
}

.category-nav-link:focus {
    border: 0 !important;
    outline: 0 !important;
    box-shadow: none !important;
}

.category-nav-link:active {
    border: 0 !important;
    outline: 0 !important;
    box-shadow: none !important;
}

.category-nav-link.active {
    background: rgba(255, 255, 255, 0.2) !important;
    background-clip: padding-box !important;
    color: #fff !important;
    font-weight: 600 !important;
    border: 0 !important;
    outline: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    text-decoration: none !important;
}

.category-nav-link.active::before,
.category-nav-link.active::after {
    display: none !important;
}

/* 产品分类导航吸顶与公告栏适配 */
.product-category-nav-bar {
    position: sticky;
    top: 115px;
    z-index: 100;
}

body.announcement-closed .product-category-nav-bar {
    top: 75px;
}

/* 上半部分：图片和基本信息的横向布局 */
.product-top-section {
    display: flex;
    gap: 60px;
    align-items: stretch;
    background: #fff;
    padding: 20px 30px;
    border-radius: 8px;
}

/* 左侧产品图片区域 */
.product-image-section {
    flex: 0 0 500px;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 0;
    padding: 30px;
    position: relative;
}

.product-main-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: opacity 0.3s ease;
}

/* 放大图标 */
.image-zoom-icon {
    display: none;
}

.image-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    opacity: 0;
}

.product-image-section:hover .image-nav-btn {
    opacity: 1;
}

.image-nav-btn:hover {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.prev-btn {
    left: 10px;
}

.next-btn {
    right: 10px;
}

.image-zoom-icon svg {
    width: 24px;
    height: 24px;
}

/* 图片放大弹窗 */
.image-zoom-modal {
    display: none;
    position: fixed;
    z-index: 99999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: transparent;
    align-items: center;
    justify-content: center;
}

.image-zoom-modal.show {
    display: flex !important;
}

.zoom-image-wrapper {
    position: relative;
    display: inline-block;
    max-width: 85%;
    max-height: 85%;
    animation: zoomIn 0.3s ease;
}

.zoom-modal-content {
    max-width: 100%;
    max-height: 85vh;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    cursor: default;
}

@keyframes zoomIn {
    from {
        transform: scale(0.7);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.zoom-close {
    position: absolute;
    top: -15px;
    right: -15px;
    color: #333;
    font-size: 32px;
    font-weight: normal;
    transition: 0.3s;
    cursor: pointer;
    z-index: 1;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid rgba(0, 0, 0, 0.15);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    box-shadow: none;
}

.zoom-close:hover {
    background: rgba(255, 255, 255, 1);
    border-color: rgba(0, 0, 0, 0.3);
    box-shadow: none;
}

/* 底部操作区域容器 */
.product-bottom-actions {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 30px;
}

/* 缩略图列表 */
.product-thumbnail-list {
    display: flex;
    gap: 10px;
    justify-content: flex-start;
}

.thumbnail-item {
    width: 70px;
    height: 70px;
    border: 2px solid #e0e0e0;
    border-radius: 0;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0.5;
    background: #fafafa;
}

.thumbnail-item:hover {
    opacity: 0.8;
    border-color: #333;
}

.thumbnail-item.active {
    opacity: 1;
    border-color: #333;
    background: #fff;
}

.thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* 联系信息容器 */
.product-contact-info {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 70px;
    padding: 0 20px;
    background: linear-gradient(135deg, #003d5c 0%, #005073 100%);
    border-radius: 0;
    color: #fff;
    box-shadow: none;
    transition: all 0.3s ease;
    border: none;
    outline: none;
}

.product-contact-info:hover {
    transform: none;
    box-shadow: none;
    background: linear-gradient(135deg, #004d6d 0%, #006080 100%);
}

.product-contact-info .person-icon {
    color: #fff;
    flex-shrink: 0;
    width: 16px !important;
    height: 16px !important;
    display: inline-block;
    vertical-align: middle;
}

.product-contact-info .person-name {
    color: #fff;
    font-weight: 600;
    font-size: 16px;
    line-height: 16px;
    display: inline-block;
    vertical-align: middle;
}

.product-contact-info .phone-icon {
    color: #fff;
    flex-shrink: 0;
    margin-left: 8px;
    width: 16px !important;
    height: 16px !important;
    display: inline-block;
    vertical-align: middle;
}

.product-contact-info .phone-number {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: color 0.3s ease;
    line-height: 16px;
    display: inline-block;
    vertical-align: middle;
}

.product-contact-info .phone-number:hover {
    color: #FFD700;
}

/* 微信二维码按钮 */
.product-wechat-qr {
    display: flex;
    align-items: center;
    gap: 6px;
    height: 70px;
    padding: 0 20px;
    background: linear-gradient(135deg, #003d5c 0%, #005073 100%);
    border-radius: 0;
    color: #fff;
    box-shadow: none;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    border: none;
    outline: none;
}

.product-wechat-qr:hover {
    transform: none;
    box-shadow: none;
    background: linear-gradient(135deg, #004d6d 0%, #006080 100%);
}

.product-wechat-qr .wechat-icon {
    color: #fff;
    flex-shrink: 0;
    width: 16px !important;
    height: 16px !important;
    display: inline-block;
    vertical-align: middle;
}

.product-wechat-qr .wechat-text {
    color: #fff;
    font-weight: 600;
    font-size: 16px;
    line-height: 16px;
    display: inline-block;
    vertical-align: middle;
}

/* 二维码弹出层 */
.wechat-qr-popup {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) scale(0.8);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 100;
}

.product-wechat-qr:hover .wechat-qr-popup {
    transform: translateX(-50%) scale(1);
    opacity: 1;
    visibility: visible;
}

.qr-popup-content {
    background: linear-gradient(135deg, #003d5c 0%, #005073 100%);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    text-align: center;
    min-width: 200px;
    position: relative;
}

.qr-popup-content::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid #0066cc;
}

.qr-title {
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 15px;
}

.qr-image {
    width: 180px;
    height: 180px;
    display: block;
    margin: 0 auto;
    border-radius: 8px;
}

.qr-tip {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.95);
    margin-top: 12px;
}

/* 右侧产品详情区域 */
.product-details-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    position: relative;
    padding-bottom: 120px;
}

/* 产品标题区域 */
.product-title {
    border-bottom: 2px solid #0066cc;
    padding-bottom: 15px;
}

.product-title .name {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin: 0 0 8px 0;
}

.product-title .desc {
    font-size: 18px;
    color: #666;
    margin: 0;
}

/* 产品描述 */
.product-description {
    font-size: 16px;
    line-height: 1.6;
    color: #555;
    padding: 15px 0;
}

/* 参数表格容器 */
.product-params-container {
    width: 100%;
    border: 2px solid #e3e8ef;
    border-radius: 0;
    overflow: hidden;
    margin-top: 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    background: #fff;
}

/* 标签页导航 */
.params-tabs {
    display: flex;
    background: linear-gradient(135deg, #003d5c 0%, #005073 100%);
    border: none !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0 !important;
    gap: 0 !important;
}

.tab-item {
    flex: 1;
    padding: 16px 20px !important;
    text-align: center;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: #fff !important;
    border-radius: 0 !important;
    transition: background 0.3s ease, color 0.3s ease;
    position: relative;
    background: transparent;
    border: 0 !important;
    outline: 0 !important;
    box-shadow: none !important;
    height: 100%;
    box-sizing: border-box !important;
}

.tab-item::before,
.tab-item::after {
    display: none !important;
}

.tab-item:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    color: #fff !important;
    transform: none;
    border: 0 !important;
    outline: 0 !important;
    box-shadow: none !important;
}

.tab-item:focus {
    border: 0 !important;
    outline: 0 !important;
    box-shadow: none !important;
}

.tab-item.active {
    background: rgba(255, 255, 255, 0.25) !important;
    color: #fff !important;
    font-weight: 600 !important;
    border: 0 !important;
    outline: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    border-bottom: 4px solid #fff !important;
}

.tab-item.active::before,
.tab-item.active::after {
    display: none !important;
}

/* 标签页内容 */
.tab-content {
    display: none;
    padding: 25px 20px;
    overflow-y: visible;
    background: #fff;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 参数表格样式 - 替代 Grid 布局 */
.params-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    background: #fff;
}

.params-table tr {
    border-bottom: 1px solid #eee;
}

/* 隔行变色 */
.params-table tr:nth-child(odd) {
    background-color: #f9fafd;
}

.params-table tr:nth-child(even) {
    background-color: #ffffff;
}

.params-table td {
    padding: 16px 20px;
    vertical-align: middle;
    font-size: 14px;
    line-height: 1.5;
}

/* Label 列样式 */
.params-table .param-label {
    width: 15%;
    color: #2c3e50;
    font-weight: 600;
    position: relative;
    padding-left: 25px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 蓝色小圆点 */
.params-table .param-label::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    background-color: #005073;
    border-radius: 50%;
}

/* Value 列样式 */
.params-table .param-value {
    width: 35%;
    color: #666;
    word-break: break-word;
}

/* 中间分隔线（可选，通过边框实现） */
.params-table td:nth-child(2) {
    border-right: 1px solid #eee;
}

/* 响应式适配：移动端卡片式显示 */
@media (max-width: 768px) {
    .params-table {
        display: block;
        width: 100%;
        background: #f5f5f5;
        padding: 10px;
    }
    
    .params-table tbody {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }
    
    .params-table tr {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 6px;
        background: transparent;
        border-bottom: none;
        margin-bottom: 0;
    }
    
    .params-table tr:nth-child(odd),
    .params-table tr:nth-child(even) {
        background: transparent;
    }
    
    .params-table td {
        display: flex;
        align-items: center;
        background: #fff;
        border-radius: 0;
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .params-table .param-label {
        width: auto;
        background: linear-gradient(135deg, #005073 0%, #003d5c 100%);
        color: #fff;
        font-weight: 500;
        padding: 10px 12px;
        border-bottom: none;
        font-size: 12px;
    }
    
    .params-table .param-label::before {
        display: none;
    }
    
    .params-table .param-value {
        width: auto;
        padding: 10px 12px;
        font-size: 13px;
        color: #333;
        border-right: none !important;
        background: #fff;
        word-break: break-word;
    }
    
    /* 第1列标签+值 和 第2列标签+值 各占一格 */
    .params-table td:nth-child(1) { grid-column: 1; grid-row: 1; }
    .params-table td:nth-child(2) { grid-column: 1; grid-row: 2; }
    .params-table td:nth-child(3) { grid-column: 2; grid-row: 1; }
    .params-table td:nth-child(4) { grid-column: 2; grid-row: 2; }
}

/* 产品手册下载区域样式 - 列表风格 */
.download-section {
    padding: 0;
    background-color: #fff;
}

.download-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 30px;
    border-bottom: 1px solid #eee;
    background-color: #fff;
    transition: background-color 0.2s;
    max-width: none;
    margin: 0;
    border-radius: 0;
    border-top: none;
    border-left: none;
    border-right: none;
}

.download-item:hover {
    background-color: #f9fafd;
    transform: none;
    box-shadow: none;
    border-color: #eee;
}

.file-icon {
    width: 40px;
    height: 40px;
    background-color: #fbeaea;
    color: #d32f2f;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.file-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.file-name {
    font-size: 15px;
    font-weight: 500;
    color: #333;
    margin-bottom: 2px;
}

.file-size {
    font-size: 12px;
    color: #999;
    display: none; /* 暂时隐藏，因为PHP没传大小 */
}

.download-btn {
    padding: 6px 18px;
    background-color: transparent;
    color: #005073;
    border: 1px solid #005073;
    border-radius: 4px;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s;
    white-space: nowrap;
    margin-left: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.download-btn:hover {
    background-color: #005073;
    color: #fff;
    box-shadow: 0 2px 6px rgba(0, 80, 115, 0.2);
}

.download-btn svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

/* 产品手册样式优化 */
.manual-content {
    padding: 30px;
}

.manual-item {
    display: flex;
    align-items: center;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e3e8ef;
    transition: all 0.3s ease;
}

.manual-item:hover {
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-color: #d0d7de;
    transform: translateY(-2px);
}

.manual-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    border-radius: 8px;
    margin-right: 20px;
    border: 1px solid #eef2f7;
}

.manual-info {
    flex: 1;
}

.manual-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 5px;
}

.manual-desc {
    font-size: 14px;
    color: #666;
}

.manual-download-btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    background-color: #fff;
    color: #333;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid #e3e8ef;
    gap: 8px;
}

.manual-download-btn:hover {
    background-color: #337ab7;
    color: #fff;
    border-color: #337ab7;
}

/* 无数据提示 */
.no-data {
    padding: 60px 0;
    text-align: center;
    color: #999;
    font-size: 14px;
    background-color: #fff;
    border-radius: 0;
}

.model-content {
    text-align: center;
    padding: 40px 20px;
    color: #666;
}

/* 响应式设计 */
/* 针对1440x900等中等分辨率优化 */
@media (min-width: 1001px) and (max-width: 1600px) {
    .product-view-c1 .content {
        max-width: 96% !important;
        width: 96% !important;
    }
    
    .product-breadcrumb {
        max-width: 96%;
    }
    
    .category-nav-container {
        max-width: 96%;
    }
    
    .product-info-container {
        padding: 20px 20px 40px;
    }
    
    .product-top-section {
        gap: 30px;
        padding: 15px 20px;
    }
    
    .product-image-section {
        flex: 0 0 420px;
        height: 420px;
        padding: 15px;
    }
    
    .product-params-container {
        margin-top: 5px;
    }
}

/* Desktop Params Grid Style (Added for optimization) */
.params-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

/* Specialized Style for Vehicle Pages (51.html, 52.html) */
.params-grid.vehicle-specs {
    display: flex;
    flex-wrap: wrap;
    border-top: 1px solid #e3e8ef;
    border-left: 1px solid #e3e8ef;
    border-right: none;
    border-bottom: none;
    gap: 0;
}

.params-grid.vehicle-specs .param-row {
    width: 50%;
    display: flex;
    border-bottom: 1px solid #e3e8ef;
    border-right: 1px solid #e3e8ef;
    margin: 0;
    background: #fff;
    box-sizing: border-box;
}

/* 让所有参数内容可以换行 */
.params-grid.vehicle-specs .param-value {
    white-space: normal;
    word-break: break-all;
    overflow-wrap: break-word;
    height: auto;
    min-height: 40px;
    padding: 10px 15px;
    line-height: 1.5;
}

/* 针对功能说明等长文本，强制占满一行 */
.params-grid.vehicle-specs .param-row:has(.param-label:contains("功能说明")),
.params-grid.vehicle-specs .param-row:has(.param-label:contains("相关配件")) {
    width: 100%;
}

/* 如果 :has 选择器兼容性有问题，可以使用 JS 或后端给这些 row 加类名，
   或者用这种更通用的方式：
   在模板中给长文本的 row 加一个 class="full-width"
*/
.params-grid.vehicle-specs .param-row.full-width {
    width: 100%;
}

/* Only apply new table styles to vehicle specs */
.vehicle-specs .param-row {
    display: flex;
    width: 100%; /* Default to full width */
    border-right: 1px solid #e3e8ef;
    border-bottom: 1px solid #e3e8ef;
    box-sizing: border-box;
    transition: background-color 0.2s;
}

.vehicle-specs .param-row.half-width {
    width: 50%;
    flex-grow: 1; /* Ensure it fills space if last in odd count */
}

.vehicle-specs .param-section-header {
    width: 100%;
    padding: 15px 20px;
    background-color: #f1f3f5;
    color: #333;
    font-weight: 700;
    font-size: 16px;
    border-right: 1px solid #e3e8ef;
    border-bottom: 1px solid #e3e8ef;
    box-sizing: border-box;
    display: flex;
    align-items: center;
}

.vehicle-specs .param-row:hover {
    background-color: #f9fafd;
}

.vehicle-specs .param-label {
    width: 180px; /* Fixed label width */
    padding: 15px 20px;
    background-color: #f8f9fa;
    color: #333;
    font-weight: 600;
    border-right: 1px solid #e3e8ef;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.vehicle-specs .param-value {
    flex: 1;
    padding: 15px 20px;
    color: #666;
    line-height: 1.6;
    display: flex;
    align-items: center;
}

/* 隐藏原有的产品展示元素 */
.product-view-c1 .left-img:not(.m-left-img),
.product-view-c1 .words {
    display: none;
}

/* 移动端适配 */
@media (max-width: 768px) {
    /* 隐藏移动端不需要的图片 */
    .m-left-img {
        display: none;
    }
    
    /* 面包屑导航外层 */
    .product-view-c1 .content {
        max-width: 100% !important;
        width: 100% !important;
        padding: 0 !important;
    }
    
    /* 产品信息容器 */
    .product-info-container {
        gap: 0;
        padding: 0;
        border-radius: 0;
    }
    
    /* 产品顶部区域 */
    .product-top-section {
        flex-direction: column;
        gap: 0;
        padding: 0;
        background: #fff;
    }
    
    /* 产品图片区域 */
    .product-image-section {
        flex: none;
        max-width: 100%;
        width: 100%;
        height: auto;
        padding: 0;
        background: #fff;
        border-radius: 0;
        box-shadow: none;
        position: relative;
        margin-bottom: 10px;
    }
    
    .product-main-img {
        width: 100%;
        height: auto;
        border-radius: 0;
        display: block;
    }
    
    /* 产品详情区域 */
    .product-details-section {
        padding: 15px;
        background: #fff;
        margin-top: 10px;
    }
    
    /* 产品标题 */
    .product-title {
        margin-bottom: 10px;
    }
    
    .product-title .name {
        font-size: 20px;
        margin-bottom: 5px;
    }
    
    .product-title .desc {
        font-size: 14px;
    }
    
    /* 产品描述 */
    .product-description {
        font-size: 13px;
        margin: 10px 0;
        line-height: 1.6;
    }
    
    /* 底部操作区域 */
    .product-bottom-actions {
        position: relative;
        flex-direction: column;
        gap: 10px;
        padding: 0;
        margin-top: 15px;
    }
    
    /* 参数容器 */
    .product-params-container {
        margin-top: 10px;
        border-radius: 0;
        box-shadow: none;
    }
    
    /* 标签内容区域 */
    .tab-content {
        max-height: none;
        padding: 15px;
        background: #fff;
    }
    
    /* 产品分类导航移动端适配 */
    .product-category-nav-bar {
        padding: 0 !important;
        margin: 0 !important;
        box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        position: sticky !important;
        top: 80px !important; /* 公告栏40px + 头部40px */
        z-index: 100;
    }
    
    body.announcement-closed .product-category-nav-bar {
        top: 40px !important;
    }
    
    .category-nav-container {
        max-width: 100% !important;
        padding: 0 !important;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .category-nav-container::-webkit-scrollbar {
        display: none;
    }
    
    .category-nav-link {
        padding: 15px 24px !important;
        font-size: 14px !important;
        display: inline-block !important;
    }
    
    .category-nav-link.active {
        border-bottom-width: 3px !important;
    }
    
    /* 面包屑导航移动端适配 */
    .product-breadcrumb-wrapper {
        padding: 12px 15px;
        background: #f8f8f8;
        margin-bottom: 0;
        position: static !important;
        top: auto !important;
    }
    
    .product-breadcrumb-wrapper.fixed {
        position: static !important;
        top: auto !important;
    }
    
    .product-breadcrumb {
        font-size: 12px;
        flex-wrap: wrap;
        max-width: 100%;
        gap: 5px;
    }
    
    .product-breadcrumb a,
    .product-breadcrumb .separator,
    .product-breadcrumb .current {
        font-size: 12px !important;
        line-height: 1.5;
    }
    
    .product-breadcrumb .separator {
        margin: 0 5px;
    }
    
    .product-breadcrumb .current {
        font-size: 12px !important;
    }
    
    /* 图片放大图标 */
    .image-zoom-icon {
        bottom: 12px;
        right: 12px;
        width: 40px;
        height: 40px;
        background: rgba(0, 0, 0, 0.7);
    }
    
    .image-zoom-icon:hover {
        background: rgba(0, 0, 0, 0.85);
    }
    
    .image-zoom-icon svg {
        width: 22px;
        height: 22px;
    }
    
    /* 缩略图列表 */
    .product-thumbnail-list {
        gap: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 5px;
        flex-wrap: nowrap;
        justify-content: flex-start;
    }
    
    .thumbnail-item {
        min-width: 70px;
        width: 70px;
        height: 70px;
        flex-shrink: 0;
    }
    
    /* 联系信息和微信按钮 */
    .product-contact-info,
    .product-wechat-qr {
        padding: 12px 20px !important;
        font-size: 14px;
        flex-wrap: nowrap;
        justify-content: center;
        gap: 8px;
        width: 100%;
        box-sizing: border-box;
    }
    
    .product-contact-info svg,
    .product-wechat-qr svg {
        width: 16px !important;
        height: 16px !important;
        flex-shrink: 0;
    }
    
    .person-name,
    .phone-number,
    .wechat-text {
        font-size: 14px;
    }
    
    .phone-number {
        font-weight: 600;
    }
    
    /* 参数表格标题 */
    .params-tabs {
        gap: 0 !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        scrollbar-width: none; /* Firefox */
        -ms-overflow-style: none; /* IE/Edge */
    }
    
    .params-tabs::-webkit-scrollbar {
        display: none; /* Chrome/Safari */
    }
    
    .tab-item {
        padding: 14px 20px !important;
        font-size: 14px !important;
        flex: 0 0 auto;
        white-space: nowrap;
        min-width: auto;
    }
    
    /* 参数网格 */
    .params-grid {
        display: flex;
        flex-direction: column;
        gap: 0;
    }
    
    .param-row {
        display: flex;
        flex-direction: column;
        padding: 15px;
        border-bottom: 1px solid #f0f0f0;
        background: #fff;
    }
    
    .param-row:last-child {
        border-bottom: none;
    }
    
    .param-row:nth-child(odd) {
        background: #fafafa;
    }
    
    .param-label {
        font-weight: 600;
        font-size: 12px;
        color: #999;
        margin-bottom: 6px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    
    .param-value {
        font-size: 14px;
        color: #333;
        line-height: 1.6;
        word-break: break-word;
    }
    
    /* 产品手册 */
    .manual-content {
        padding: 20px 15px;
    }
    
    .manual-item {
        flex-direction: column;
        text-align: center;
        padding: 20px 15px;
        gap: 16px;
        align-items: center; /* Ensure center alignment in column mode */
    }
    
    .manual-icon {
        width: 50px;
        height: 50px;
        margin-right: 0; /* Remove right margin in mobile view */
    }
    
    .manual-icon svg {
        width: 40px;
        height: 40px;
    }
    
    .manual-title {
        font-size: 16px;
    }
    
    .manual-desc {
        font-size: 13px;
    }
    
    .manual-download-btn {
        padding: 10px 20px;
        font-size: 13px;
        width: 100%;
        justify-content: center;
    }
    
    /* 微信二维码弹窗 */
    .wechat-qr-popup {
        left: 50%;
        transform: translateX(-50%);
        top: auto;
        bottom: 60px;
    }
    
    .qr-popup-content {
        padding: 20px;
    }
    
    .qr-image {
        width: 180px;
        height: 180px;
    }
    
    .qr-title {
        font-size: 15px;
    }
    
    .qr-tip {
        font-size: 12px;
    }
    
    /* 模型内容 */
    .model-content {
        padding: 30px 15px;
        font-size: 14px;
    }
    
    /* 图片放大弹窗 */
    .zoom-modal-content {
        max-width: 95%;
        max-height: 95%;
    }
    
    .zoom-close {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
        font-size: 28px;
    }
}

/* 超小屏幕适配 (iPhone SE等) */
@media (max-width: 375px) {
    .product-title .name {
        font-size: 18px;
    }
    
    .product-title .desc {
        font-size: 13px;
    }
    
    .product-description {
        font-size: 12px;
    }
    
    .category-nav-link {
        padding: 12px 16px !important;
        font-size: 13px !important;
    }
    
    .tab-item {
        padding: 12px 16px !important;
        font-size: 13px !important;
    }
    
    .param-label {
        font-size: 11px;
        margin-bottom: 5px;
    }
    
    .param-value {
        font-size: 13px;
    }
    
    .param-row {
        padding: 12px;
    }
    
    .product-contact-info,
    .product-wechat-qr {
        font-size: 13px;
        padding: 10px 16px !important;
    }
    
    .thumbnail-item {
        min-width: 60px;
        width: 60px;
        height: 60px;
    }
    
    .manual-download-btn {
        padding: 10px 16px;
        font-size: 13px;
    }
}

/* 移动端通用优化 */
@media (max-width: 768px) {
    /* 移除所有不必要的圆角 */
    .product-info-container,
    .product-top-section,
    .product-image-section,
    .product-params-container,
    .manual-item {
        border-radius: 0 !important;
    }
    
    /* 优化触摸区域 */
    .category-nav-link,
    .tab-item,
    .thumbnail-item,
    .product-contact-info,
    .product-wechat-qr {
        -webkit-tap-highlight-color: rgba(0,0,0,0.05);
        touch-action: manipulation;
    }
    
    /* 禁止文本选择（某些交互元素） */
    .category-nav-link,
    .tab-item,
    .thumbnail-item {
        -webkit-user-select: none;
        user-select: none;
    }
    
    /* 优化链接点击 */
    a {
        -webkit-tap-highlight-color: rgba(0,0,0,0.05);
    }
    
    /* 确保页面内容完全可见 */
    .product-view-c1 {
        background: #f5f5f5;
        overflow-x: hidden;
    }
    
    /* 业务咨询表单在移动端的优化 */
    .common-business {
        padding: 30px 15px;
    }
    
    .common-business .content {
        padding: 0;
    }
}