/* ============================================
   全局样式变量定义 - 现代化配色方案
   ============================================ */
:root {
    /* 主色调 - 深蓝色系，专业稳重 */
    --primary-color: #1a365d;
    --primary-light: #2c5282;
    --primary-dark: #0d1b2a;
    
    /* 辅助色 - 渐变蓝色系 */
    --secondary-color: #3182ce;
    --secondary-light: #63b3ed;
    --secondary-dark: #2b6cb0;
    
    /* 强调色 - 活力橙色 */
    --accent-color: #ed8936;
    --accent-light: #f6ad55;
    --accent-dark: #dd6b20;
    
    /* 背景色 */
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-gradient-start: #667eea;
    --bg-gradient-end: #764ba2;
    
    /* 文字色 */
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --text-light: #a0aec0;
    
    /* 边框和阴影 */
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);
    
    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
}

/* ============================================
   基础样式重置
   ============================================ */
body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    background-attachment: fixed;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.layui-container {
    width: 100%;
    max-width: 1200px;
}

/* ============================================
   头部区域样式 - 毛玻璃效果
   ============================================ */
.header-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header {
    padding: 15px 0;
    height: auto;
}

.header .logo a {
    color: var(--primary-color);
    font-size: 26px;
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.header .logo a::before {
    content: "◆";
    color: var(--accent-color);
    font-size: 20px;
}

.header .menu {
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.header .menu span {
    display: none;
    text-align: right;
}

.header .menu span i {
    font-size: 24px;
    line-height: 40px;
    color: var(--primary-color);
    cursor: pointer;
    transition: color 0.3s ease;
}

.header .menu span i:hover {
    color: var(--accent-color);
}

/* ============================================
   导航栏样式 - 渐变背景
   ============================================ */
.nav {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    box-shadow: var(--shadow-md);
}

.nav .layui-nav {
    background: transparent;
    padding: 0;
}

.nav .layui-nav li {
    line-height: 50px;
    position: relative;
}

.nav .layui-nav li::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--accent-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav .layui-nav li:hover::after,
.nav .layui-nav li.active::after {
    width: 60%;
}

.nav .layui-nav li.active {
    background-color: rgba(255,255,255,0.1);
}

.nav .layui-nav a {
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    padding: 0 25px;
    transition: all 0.3s ease;
}

.nav .layui-nav a:hover {
    color: var(--accent-light);
}

/* ============================================
   轮播图样式 - 现代化设计
   ============================================ */
.banner-carousel {
    margin-top: 0;
    width: 100%;
    position: relative;
}

.banner-carousel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(26,54,93,0.3) 0%, rgba(26,54,93,0.1) 100%);
    z-index: 1;
    pointer-events: none;
}

.banner-carousel .layui-carousel {
    background-color: transparent;
}

.banner-carousel .layui-carousel>[carousel-item]>div {
    background-size: cover;
    background-position: center;
}

.banner-item {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: #fff;
    position: relative;
    z-index: 2;
}

.banner-content {
    padding: 40px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.2);
}

.banner-content h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
    letter-spacing: 2px;
}

.banner-content p {
    font-size: 20px;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.3);
    opacity: 0.95;
}

/* 轮播图指示器样式 */
.banner-carousel .layui-carousel-ind {
    top: -40px;
}

.banner-carousel .layui-carousel-ind ul {
    background-color: transparent;
}

.banner-carousel .layui-carousel-ind li {
    background-color: rgba(255,255,255,0.4);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin: 0 6px;
    transition: all 0.3s ease;
}

.banner-carousel .layui-carousel-ind li.layui-this {
    background-color: var(--accent-color);
    width: 30px;
    border-radius: 6px;
}

/* ============================================
   通用区块标题样式
   ============================================ */
.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(49,130,206,0.1) 0%, transparent 70%);
    z-index: -1;
}

.section-title h2 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
    border-radius: 2px;
}

.section-title p {
    font-size: 16px;
    color: var(--text-muted);
    margin-top: 25px;
}

.section-more {
    text-align: center;
    margin-top: 50px;
}

.section-more .layui-btn {
    padding: 0 50px;
    height: 50px;
    line-height: 50px;
    font-size: 16px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    border: none;
    color: #fff;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(237,137,54,0.4);
}

.section-more .layui-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(237,137,54,0.5);
}

/* ============================================
   产品中心区域 - 卡片式设计
   ============================================ */
.home-product-section {
    padding: 80px 0;
    background: var(--bg-primary);
    width: 100%;
    position: relative;
}

.home-product-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, transparent 100%);
    pointer-events: none;
}

.home-product-list {
    margin: 0 -15px;
}

.home-product-item {
    padding: 15px;
}

.product-card {
    display: block;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--secondary-light);
}

.product-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.product-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.05) 100%);
    pointer-events: none;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-image .no-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e0 100%);
}

.product-image .no-image i {
    font-size: 56px;
    color: var(--text-light);
    opacity: 0.6;
}

.product-title {
    padding: 20px;
    text-align: center;
    font-size: 17px;
    color: var(--text-primary);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background: var(--bg-primary);
    position: relative;
}

.product-title::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--secondary-light));
    border-radius: 2px;
}

.product-card:hover .product-title {
    color: var(--secondary-color);
}

/* ============================================
   关于我们区域 - 左右布局优化
   ============================================ */
.home-about-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, #edf2f7 100%);
    width: 100%;
    position: relative;
    overflow: hidden;
}

.home-about-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(49,130,206,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.home-about-section::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(237,137,54,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.home-about-content {
    align-items: stretch;
}

/* 左侧视频播放器区域 */
.home-about-video {
    padding: 0 20px;
    display: flex;
    align-items: center;
}

.video-container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    background: transparent;
    line-height: 0;
}

.video-container video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
    background: transparent;
}

/* 左侧图片区域（保留用于兼容性） */
.home-about-image {
    padding: 0 20px;
    display: flex;
    align-items: center;
}

.home-about-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transition: transform 0.4s ease;
}

.home-about-image img:hover {
    transform: scale(1.02);
}

/* 右侧文字区域 */
.home-about-text {
    padding: 0 20px;
}

.about-text-content {
    padding: 30px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    height: 100%;
}

.about-text-content h3 {
    font-size: 22px;
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 12px;
    border-bottom: 3px solid transparent;
    border-image: linear-gradient(90deg, var(--accent-color), var(--accent-light)) 1;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.about-text-content h3::before {
    content: "▸";
    color: var(--accent-color);
    font-size: 18px;
}

.about-text-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 25px;
    text-indent: 0;
}

/* 核心价值观列表 */
.about-values {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.about-values li {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    padding: 10px 15px;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--secondary-color);
    transition: all 0.3s ease;
}

.about-values li:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
    border-left-color: var(--accent-color);
}

/* ============================================
   文章中心区域 - 列表式设计
   ============================================ */
.home-article-section {
    padding: 80px 0;
    background: var(--bg-primary);
    width: 100%;
    position: relative;
}

.home-article-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, transparent 100%);
    pointer-events: none;
}

/* 新版文章列表样式 - 左右两行布局 */
.home-article-list-new {
    display: flex;
    gap: 50px;
    justify-content: space-between;
}

.article-column {
    flex: 1;
    min-width: 0;
}

.article-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.article-list-item {
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.article-list-item:last-child {
    border-bottom: none;
}

.article-list-item:hover {
    background: linear-gradient(90deg, rgba(49,130,206,0.03) 0%, transparent 100%);
}

.article-link {
    display: flex;
    align-items: center;
    padding: 16px 0;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.article-dot {
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
    border-radius: 50%;
    margin-right: 15px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.article-list-item:hover .article-dot {
    transform: scale(1.3);
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
}

.article-title-text {
    flex: 1;
    font-size: 15px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-right: 20px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.article-link:hover .article-title-text {
    color: var(--secondary-color);
}

.article-date {
    font-size: 13px;
    color: var(--text-muted);
    flex-shrink: 0;
    white-space: nowrap;
    background: var(--bg-secondary);
    padding: 4px 12px;
    border-radius: 20px;
}

/* ============================================
   页脚样式 - 深色渐变背景
   ============================================ */
.footer {
    margin-top: 0;
    margin-bottom: 0;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    padding: 30px 20px 15px;
    color: #fff;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 180px;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-light), var(--accent-color));
}

/* 友情链接样式 - 移到最左边 */
.footer-friendlink {
    text-align: left;
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 20px;
}

.footer-friendlink .friendlink-label {
    color: rgba(255,255,255,0.9);
    margin-right: 10px;
    font-weight: 500;
}

.footer-friendlink a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    margin: 0 8px 5px 0;
    display: inline-block;
    transition: all 0.3s ease;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.footer-friendlink a:hover {
    color: #fff;
    background: rgba(255,255,255,0.1);
}

/* 页尾网站标题样式 */
.footer-site-title {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
    text-align: center;
    white-space: nowrap;
    margin-bottom: 25px;
}

/* 版权和备案信息容器 - 固定在底部 */
.footer-copyright-beian {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 25px;
    margin-top: auto;
    padding-top: 15px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* 页尾版权信息样式 */
.footer-copyright {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
}

.footer-copyright a {
    color: var(--accent-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-copyright a:hover {
    color: #fff;
    text-decoration: underline;
}

/* 备案信息样式 */
.footer-beian {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}

.footer-beian a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.footer-beian a:hover {
    color: #fff;
}

.footer-beian .beian-split {
    margin: 0 15px;
    color: rgba(255,255,255,0.3);
}

.footer-beian img {
    width: 16px;
    height: 16px;
    opacity: 0.8;
}

/* ============================================
   面包屑导航样式（Breadcrumb）
   ============================================ */
.breadcrumb-container {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    margin-bottom: 25px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--text-muted);
}

.breadcrumb-item {
    display: inline-flex;
    align-items: center;
}

.breadcrumb-item a {
    color: var(--secondary-color);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: color 0.3s ease;
    font-weight: 500;
}

.breadcrumb-item a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.breadcrumb-item a i {
    margin-right: 5px;
    font-size: 16px;
}

.breadcrumb-item.active {
    color: var(--text-light);
    font-weight: 500;
}

.breadcrumb-separator {
    margin: 0 12px;
    color: var(--border-color);
    font-size: 12px;
}

/* ============================================
   文章列表样式
   ============================================ */
.mainleft, .mainright {
    margin-top: 30px;
    padding: 5px;
}

.article_list .item {
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    padding: 20px;
    transition: all 0.3s ease;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
}

.article_list .item:hover {
    border-color: var(--secondary-light);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

/* 文章列表缩略图 */
.article_list .item .article-thumb {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.article_list .item .article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.article_list .item:hover .article-thumb img {
    transform: scale(1.05);
}

.article_list .item .article-thumb .no-image {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e0 100%);
    color: var(--text-light);
}

.article_list .item .article-thumb .no-image i {
    font-size: 40px;
    margin-bottom: 5px;
}

.article_list .item .article-thumb .no-image span {
    font-size: 12px;
}

/* 文章列表内容区 */
.article_list .item .article-list-content {
    padding-left: 20px;
}

.article_list .item .article-list-content .title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.article_list .item .article-list-content .title a {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.article_list .item .article-list-content .title a:hover {
    color: var(--secondary-color);
}

.article_list .item .article-list-content .content {
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 12px 0;
    text-indent: 0;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    max-height: 50px;
}

.article_list .item .article-list-content .info {
    color: var(--text-muted);
    font-size: 13px;
}

.article_list .item .article-list-content .info i {
    margin-right: 5px;
}

/* ============================================
   文章内容样式
   ============================================ */
.page_content {
    word-break: break-all;
}

.page_content img {
    max-width: 100%;
    border-radius: var(--radius-sm);
}

.article_content h1 {
    word-break: break-all;
    text-align: center;
    font-size: 24px;
    color: var(--primary-color);
    font-weight: 700;
}

/* 文章元信息样式 */
.article_content .article-meta {
    text-align: center;
    margin: 20px 0 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.article_content .article-meta .meta-item {
    display: inline-block;
    margin: 0 20px;
    color: var(--text-muted);
    font-size: 14px;
}

.article_content .article-meta .meta-item i {
    margin-right: 5px;
    font-size: 14px;
}

.article_content .content {
    word-break: break-all;
    line-height: 1.9;
    font-size: 16px;
    color: var(--text-secondary);
}

.article_content .content p {
    margin-bottom: 20px;
    text-indent: 2em;
}

.article_content .content h1,
.article_content .content h2,
.article_content .content h3,
.article_content .content h4,
.article_content .content h5,
.article_content .content h6 {
    margin-top: 30px;
    margin-bottom: 20px;
    line-height: 1.4;
    color: var(--primary-color);
    font-weight: 600;
}

.article_content .content img {
    max-width: 100%;
    margin: 20px 0;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
}

/* ============================================
   产品详情页样式
   ============================================ */
.article_content.product-detail-page {
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
}

/* 产品标题 */
.article_content.product-detail-page .product-detail-h1 {
    text-align: center;
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 40px;
    padding-bottom: 25px;
    border-bottom: 3px solid transparent;
    border-image: linear-gradient(90deg, var(--secondary-color), var(--accent-color)) 1;
    font-weight: 700;
}

/* 产品主要信息区 */
.article_content.product-detail-page .product-main-info {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

/* 左侧：产品图片 */
.article_content.product-detail-page .product-image-section {
    flex: 0 0 420px;
    max-width: 420px;
}

.article_content.product-detail-page .product-main-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.article_content.product-detail-page .product-main-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.article_content.product-detail-page .product-main-image:hover img {
    transform: scale(1.03);
}

.article_content.product-detail-page .product-recommend-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    color: #fff;
    padding: 10px 25px;
    border-radius: var(--radius-xl);
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(237,137,54,0.4);
}

/* 右侧：产品信息 */
.article_content.product-detail-page .product-info-section {
    flex: 1;
    min-width: 300px;
}

/* 价格区域 */
.article_content.product-detail-page .product-price-section {
    background: linear-gradient(135deg, #fff5f5 0%, #ffe8e8 100%);
    padding: 30px;
    border-radius: var(--radius-md);
    margin-bottom: 25px;
    text-align: center;
    border: 2px solid var(--accent-color);
}

.article_content.product-detail-page .product-price-section .price-label {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.article_content.product-detail-page .product-price-section .price-value {
    font-size: 42px;
    color: var(--accent-dark);
    font-weight: 700;
}

/* 简介区域 */
.article_content.product-detail-page .product-summary-section {
    background: var(--bg-secondary);
    padding: 25px;
    border-radius: var(--radius-md);
    margin-bottom: 25px;
    border-left: 5px solid var(--secondary-color);
}

.article_content.product-detail-page .product-summary-section .section-label {
    font-size: 17px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 12px;
}

.article_content.product-detail-page .product-summary-section .section-content {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 元信息区域 */
.article_content.product-detail-page .product-meta-section {
    background: var(--bg-primary);
    padding: 25px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 25px;
}

.article_content.product-detail-page .product-meta-section .meta-row {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    font-size: 15px;
}

.article_content.product-detail-page .product-meta-section .meta-row:last-child {
    margin-bottom: 0;
}

.article_content.product-detail-page .product-meta-section .meta-label {
    color: var(--text-muted);
    min-width: 90px;
    font-weight: 500;
}

.article_content.product-detail-page .product-meta-section .meta-value {
    color: var(--text-secondary);
}

.article_content.product-detail-page .product-meta-section .meta-value a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
}

.article_content.product-detail-page .product-meta-section .meta-value a:hover {
    text-decoration: underline;
}

/* 操作按钮 */
.article_content.product-detail-page .product-actions {
    text-align: center;
}

.article_content.product-detail-page .product-actions .btn-back {
    padding: 14px 35px;
    font-size: 16px;
    border-radius: var(--radius-xl);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
    border: none;
    color: #fff;
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(49,130,206,0.4);
}

.article_content.product-detail-page .product-actions .btn-back:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(49,130,206,0.5);
}

/* 产品详情内容区 */
.article_content.product-detail-page .product-detail-content-section {
    margin-top: 50px;
    padding-top: 50px;
    border-top: 2px dashed var(--border-color);
}

.article_content.product-detail-page .product-detail-content-section .section-title {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 30px;
    padding-left: 20px;
    border-left: 5px solid var(--accent-color);
    font-weight: 700;
}

.article_content.product-detail-page .product-detail-content-section .content {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-secondary);
}

.article_content.product-detail-page .product-detail-content-section .content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    margin: 20px 0;
    box-shadow: var(--shadow-md);
}

/* ============================================
   侧边栏样式
   ============================================ */
.mainright .box {
    border: 1px solid var(--border-color);
    padding: 20px;
    margin-bottom: 25px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.mainright .box:hover {
    box-shadow: var(--shadow-md);
}

.mainright .box .title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-color);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
    position: relative;
}

.mainright .box .title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
}

.mainright .box li {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    word-break: break-all;
    padding: 8px 0;
    border-bottom: 1px dashed var(--border-color);
}

.mainright .box li:last-child {
    border-bottom: none;
}

.mainright .box li.active a {
    color: var(--secondary-color);
    font-weight: 600;
}

.mainright .box li a {
    line-height: 1.6;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.mainright .box li a:hover {
    color: var(--accent-color);
}

/* ============================================
   分页样式
   ============================================ */
.pagelist a {
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    display: inline-block;
    height: 36px;
    line-height: 36px;
    padding: 0 15px;
    font-size: 14px;
    white-space: nowrap;
    text-align: center;
    border-radius: var(--radius-sm);
    cursor: pointer;
    outline: 0;
    transition: all 0.3s ease;
    margin: 0 3px;
}

.pagelist a:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.pagelist a.active {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
    color: #fff;
    border-color: var(--secondary-color);
    font-weight: 500;
}

/* ============================================
   产品列表样式
   ============================================ */
/* 栏目标题 */
.channel-title {
    text-align: center;
    padding: 40px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 40px;
}

.channel-title h1 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.channel-title .channel-desc {
    font-size: 16px;
    color: var(--text-muted);
}

/* 产品列表容器 */
.product-list {
    margin-bottom: 40px;
}

/* 单个产品项 - 网格布局 */
.product-item {
    margin-bottom: 25px;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    transition: all 0.3s ease;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.product-item:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--secondary-light);
    transform: translateY(-5px);
}

/* 产品图片 */
.product-item .product-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-item .product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.product-item:hover .product-image img {
    transform: scale(1.05);
}

.product-item .product-image .no-image {
    text-align: center;
    color: var(--text-light);
}

.product-item .product-image .no-image i {
    font-size: 40px;
    display: block;
    margin-bottom: 5px;
}

.product-item .product-image .no-image span {
    font-size: 12px;
}

.product-item .product-recommend {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    color: #fff;
    padding: 5px 12px;
    font-size: 12px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(237,137,54,0.3);
}

/* 产品信息 */
.product-item .product-info {
    padding: 20px;
}

.product-item .product-info .product-title {
    font-size: 16px;
    margin-bottom: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: left;
    padding: 0;
}

.product-item .product-info .product-title::before {
    display: none;
}

.product-item .product-info .product-title a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.product-item .product-info .product-title a:hover {
    color: var(--secondary-color);
}

/* 产品价格 */
.product-item .product-info .product-price {
    margin-bottom: 12px;
}

.product-item .product-info .product-price .price-label {
    color: var(--text-muted);
    font-size: 13px;
}

.product-item .product-info .product-price .price-value {
    color: var(--accent-dark);
    font-size: 20px;
    font-weight: 700;
}

/* 产品简介 */
.product-item .product-info .product-summary {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 15px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    height: 42px;
}

/* 产品元信息 */
.product-item .product-info .product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px dashed var(--border-color);
}

.product-item .product-info .product-time {
    color: var(--text-muted);
    font-size: 12px;
}

.product-item .product-info .product-detail-link {
    color: var(--secondary-color);
    font-size: 13px;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.product-item .product-info .product-detail-link:hover {
    color: var(--accent-color);
}

/* 空产品提示 */
.empty-products {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}

.empty-products i {
    font-size: 64px;
    margin-bottom: 20px;
    display: block;
    opacity: 0.5;
}

.empty-products p {
    font-size: 18px;
}

/* ============================================
   上一篇下一篇导航样式
   ============================================ */
.article-prev-next {
    background: var(--bg-primary);
    padding: 25px 30px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-top: 40px;
    margin-bottom: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.article-prev-next .prev-article,
.article-prev-next .next-article {
    font-size: 14px;
    display: flex;
    align-items: center;
    flex: 1;
}

.article-prev-next .next-article {
    justify-content: flex-end;
}

.article-prev-next .nav-label {
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
}

.article-prev-next .nav-label i {
    font-size: 12px;
    margin: 0 5px;
}

.article-prev-next a {
    color: var(--secondary-color);
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 300px;
    display: inline-block;
    font-weight: 500;
    transition: color 0.3s ease;
}

.article-prev-next a:hover {
    text-decoration: underline;
    color: var(--accent-color);
}

.article-prev-next .no-article {
    color: var(--text-light);
}

/* ============================================
   移动端适配
   ============================================ */
@media screen and (max-width: 992px) {
    .banner-content h2 {
        font-size: 28px;
    }
    
    .banner-content p {
        font-size: 16px;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
    
    .header-container {
        padding: 0;
    }
    
    .header {
        padding: 10px 0;
        height: auto;
    }
    
    .header .logo {
        text-indent: 5px;
    }
    
    .header .logo a {
        font-size: 20px;
        line-height: 1.2;
    }
    
    .header .menu span {
        display: block;
        text-indent: 5px;
    }
    
    .header .menu span i {
        color: var(--primary-color);
        font-size: 22px;
        line-height: 36px;
    }
    
    .nav {
        display: none;
        border: none;
        position: fixed;
        right: 0;
        top: 56px;
        z-index: 999;
        background: var(--bg-primary);
        padding: 0;
        box-shadow: var(--shadow-lg);
        border-radius: 0 0 0 var(--radius-md);
        min-width: 200px;
    }
    
    .nav .layui-nav {
        background-color: var(--bg-primary);
        padding: 10px 0;
    }
    
    .nav .layui-nav .layui-nav-item {
        display: block;
    }
    
    .nav .layui-nav li {
        line-height: 45px;
    }
    
    .nav .layui-nav li::after {
        display: none;
    }
    
    .nav .layui-nav li.active {
        background-color: var(--bg-secondary);
    }
    
    .nav .layui-nav a {
        color: var(--text-primary);
        font-weight: 500;
        padding: 0 25px;
    }
    
    .nav .layui-nav li.active a {
        color: var(--secondary-color);
    }
    
    .nav .layui-nav li:hover a {
        color: var(--secondary-color);
        background-color: var(--bg-secondary);
    }
}

@media screen and (max-width: 768px) {
    /* 移动端通用调整 */
    .home-product-section,
    .home-about-section,
    .home-article-section {
        padding: 50px 0;
    }
    
    .section-title {
        margin-bottom: 35px;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .section-title p {
        font-size: 14px;
    }
    
    /* 移动端产品展示适配 */
    .product-image {
        height: 180px;
    }
    
    .product-title {
        padding: 15px;
        font-size: 15px;
    }
    
    /* 移动端关于我们适配 */
    .home-about-video,
    .home-about-image {
        margin-bottom: 30px;
    }
    
    .video-container,
    .home-about-image img {
        max-width: 100%;
    }
    
    .about-text-content {
        padding: 20px;
    }
    
    .about-text-content h3 {
        font-size: 18px;
    }
    
    .about-text-content p {
        font-size: 14px;
    }
    
    .about-values {
        grid-template-columns: 1fr;
    }
    
    .about-values li {
        font-size: 13px;
    }
    
    /* 移动端文章展示适配 */
    .home-article-list-new {
        flex-direction: column;
        gap: 0;
    }
    
    .article-column {
        width: 100%;
    }
    
    .article-link {
        padding: 12px 0;
    }
    
    .article-title-text {
        font-size: 14px;
    }
    
    .article-date {
        font-size: 12px;
    }
    
    /* 移动端面包屑导航适配 */
    .breadcrumb-container {
        padding: 12px 0;
        margin-bottom: 20px;
    }
    
    .breadcrumb {
        font-size: 13px;
    }
    
    .breadcrumb-separator {
        margin: 0 8px;
    }
    
    /* 移动端文章列表适配 */
    .article_list .item {
        padding: 15px;
    }
    
    .article_list .item .article-thumb {
        height: 160px;
        margin-bottom: 15px;
    }
    
    .article_list .item .article-list-content {
        padding-left: 0;
    }
    
    .article_list .item .article-list-content .title a {
        font-size: 15px;
    }
    
    .article_list .item .article-list-content .content {
        -webkit-line-clamp: 2;
        font-size: 13px;
    }
    
    /* 移动端文章元信息适配 */
    .article_content .article-meta {
        margin: 15px 0 25px;
        padding-bottom: 15px;
    }
    
    .article_content .article-meta .meta-item {
        margin: 0 12px;
        font-size: 13px;
    }
    
    /* 移动端产品样式适配 */
    .product-item .product-image {
        height: 160px;
    }
    
    .product-item .product-info {
        padding: 15px;
    }
    
    .product-item .product-info .product-title {
        font-size: 14px;
    }
    
    .product-item .product-info .product-price .price-value {
        font-size: 18px;
    }
    
    .product-item .product-info .product-summary {
        -webkit-line-clamp: 1;
        height: 21px;
    }
    
    /* 移动端产品详情适配 */
    .article_content.product-detail-page .product-detail-h1 {
        font-size: 22px;
    }
    
    .article_content.product-detail-page .product-main-info {
        flex-direction: column;
        gap: 25px;
    }
    
    .article_content.product-detail-page .product-image-section {
        flex: none;
        max-width: 100%;
    }
    
    .article_content.product-detail-page .product-info-section {
        min-width: 100%;
    }
    
    .article_content.product-detail-page .product-price-section .price-value {
        font-size: 32px;
    }
    
    .article_content.product-detail-page .product-detail-content-section .section-title {
        font-size: 18px;
    }
    
    /* 移动端上一篇下一篇适配 */
    .article-prev-next {
        padding: 20px;
        margin-top: 30px;
        margin-bottom: 30px;
        flex-direction: column;
        gap: 15px;
    }
    
    .article-prev-next .prev-article,
    .article-prev-next .next-article {
        font-size: 13px;
        width: 100%;
    }
    
    .article-prev-next .next-article {
        justify-content: flex-start;
    }
    
    .article-prev-next a {
        max-width: 200px;
    }
    
    /* 移动端页脚适配 */
    .footer {
        padding: 25px 15px 15px;
        min-height: auto;
    }
    
    .footer-friendlink {
        text-align: left;
        width: 100%;
        margin-bottom: 15px;
    }
    
    .footer-site-title {
        font-size: 18px;
        text-align: center;
        width: 100%;
        margin-bottom: 20px;
    }
    
    .footer-copyright-beian {
        flex-direction: column;
        gap: 8px;
        padding-top: 12px;
    }
    
    .channel-title h1 {
        font-size: 24px;
    }
    
    .channel-title .channel-desc {
        font-size: 14px;
    }
}