/* 面包屑导航 */
        .breadcrumb {
            padding: 20px 0;
            background-color: var(--light);
        }
        
        .breadcrumb-content {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
        }
        
        .breadcrumb-item {
            display: flex;
            align-items: center;
            margin-right: 10px;
            color: var(--gray);
            font-size: 0.9rem;
        }
        
        .breadcrumb-item:not(:last-child)::after {
            content: '/';
            margin-left: 10px;
            color: var(--gray);
        }
        
        .breadcrumb-item a:hover {
            color: var(--primary);
        }
        
        /* 文章标题区域 */
        .article-hero {
            background: linear-gradient(135deg, var(--primary) 0%, #1a3a8f 100%);
            color: white;
            padding: 60px 0;
            margin-bottom: 40px;
        }
        
        .article-content {
            animation: fadeIn 0.8s ease-out;
        }
        
        .article-header {
            margin-bottom: 30px;
            padding: 0 20px;
            text-align: center;
        }
        
        .article-title {
            font-size: 2.5rem;
            color: white; /* 修改为白色 */
            margin-bottom: 15px;
            line-height: 1.3;
        }
        
        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            color: white; /* 修改为白色 */
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        
        .article-meta div {
            display: flex;
            align-items: center;
        }
        
        .article-meta i {
            margin-right: 5px;
            color: var(--secondary);
        }
        
        .article-image {
            width: 100%;
            height: 400px;
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 30px;
            position: relative;
        }
        
        .article-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .article-image:hover img {
            transform: scale(1.05);
        }
        
        .article-body {
            font-size: 1.1rem;
            color: #444;
            padding: 0 20px;
        }
	.article-body img{
            width: 100%;
            height: 100%;
        }
        
        .article-body h2 {
            color: var(--primary);
            margin: 30px 0 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-gray);
        }
        
        .article-body h3 {
            color: var(--primary);
            margin: 25px 0 15px;
        }
        
        .article-body p {
            margin-bottom: 20px;
        }
        
        .article-body blockquote {
            background: linear-gradient(to right, rgba(10, 36, 99, 0.05), transparent);
            border-left: 4px solid var(--secondary);
            padding: 20px;
            margin: 25px 0;
            font-style: italic;
            color: #555;
        }
        
        .article-body ul, .article-body ol {
            margin-bottom: 20px;
        }
        
        .article-body li {
            margin-bottom: 10px;
        }
        
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            box-shadow: var(--shadow);
            border-radius: 8px;
            overflow: hidden;
        }
        
        .comparison-table th, .comparison-table td {
            padding: 15px;
            text-align: left;
            border: 1px solid var(--light-gray);
        }
        
        .comparison-table th {
            background-color: var(--primary);
            color: white;
            font-weight: 600;
        }

        
        .comparison-table tr:nth-child(even) {
            background-color: var(--light);
        }
        
        .comparison-table tr:hover {
            background-color: rgba(10, 36, 99, 0.05);
        }
        
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 30px 0;
        }
        
        .tag {
            background-color: var(--light);
            color: var(--primary);
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        
        .tag:hover {
            background-color: var(--secondary);
            transform: translateY(-2px);
        }
        
        .article-actions {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px;
            border-top: 1px solid var(--light-gray);
            border-bottom: 1px solid var(--light-gray);
            margin: 30px 0;
        }
        
        .social-share {
            display: flex;
            gap: 15px;
        }
        
        .social-share a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--light);
            color: var(--dark);
            transition: var(--transition);
        }
        
        .social-share a:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        
        .social-share .wechat:hover {
            background-color: #2aae67;
            color: white;
        }
        
        .social-share .weibo:hover {
            background-color: #e6162d;
            color: white;
        }
        
        .social-share .qq:hover {
            background-color: #12b7f5;
            color: white;
        }
        
        .social-share .link:hover {
            background-color: var(--primary);
            color: white;
        }
        
        /* 上一篇下一篇导航 */
        .article-navigation {
            display: flex;
            justify-content: space-between;
            margin: 50px 0;
            padding: 0 20px;
        }
        
        .nav-item {
            display: flex;
            align-items: center;
            max-width: 45%;
            padding: 20px;
            border-radius: 10px;
            background-color: white;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .nav-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }
        
        .nav-prev, .nav-next {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .nav-icon {
            font-size: 1.5rem;
            color: var(--secondary);
            flex-shrink: 0;
        }
        
        .nav-content h4 {
            font-size: 0.9rem;
            color: var(--gray);
            margin-bottom: 5px;
        }
        
        .nav-content h3 {
            font-size: 1.1rem;
            color: var(--primary);
        }
        
        /* 侧边栏 */
        .article-sidebar {
            animation: fadeIn 1s ease-out;
        }
        
        .sidebar-widget {
            background-color: white;
            border-radius: 10px;
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .sidebar-widget:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-5px);
        }
        
        .widget-title {
            color: var(--primary);
            font-size: 1.3rem;
            margin-bottom: 20px;
            padding-bottom: 10px;

            border-bottom: 2px solid var(--secondary);
            position: relative;
        }
        
        .widget-title::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 60px;
            height: 2px;
            background-color: var(--primary);
        }
        
        .toc-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        
        .toc-list li {
            margin-bottom: 10px;
            padding-left: 15px;
            position: relative;
        }
        
        .toc-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            background-color: var(--secondary);
            border-radius: 50%;
        }
        
        .toc-list a {
            color: var(--gray);
            display: block;
            padding: 5px 0;
            transition: var(--transition);
        }
        
        .toc-list a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        
        .related-articles {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        
        .related-article {
            display: flex;
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--light-gray);
        }
        
        .related-article:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .related-article-img {
            width: 80px;
            height: 60px;
            border-radius: 5px;
            overflow: hidden;
            margin-right: 15px;
            flex-shrink: 0;
        }
        
        .related-article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .related-article:hover .related-article-img img {
            transform: scale(1.1);
        }
        
        .related-article-content h4 {
            font-size: 0.95rem;
            line-height: 1.4;
            margin-bottom: 5px;
        }
        
        .related-article-content h4 a {
            color: var(--dark);
        }
        
        .related-article-content h4 a:hover {
            color: var(--primary);
        }
        
        .related-article-date {
            font-size: 0.8rem;
            color: var(--gray);
        }
        
        /* 推荐文章 */
        .related-posts {
            margin: 50px auto;
            animation: fadeIn 1.5s ease-out;
            padding: 0 20px;
            
        }
        
        .related-posts.container {
    margin-left: auto;
    margin-right: auto;
    float: none; /* 确保没有浮动影响 */
    clear: both; /* 清除浮动 */
}
        
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .post-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .post-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-hover);
        }
        
        .post-image {
            height: 200px;
            overflow: hidden;
        }
        
        .post-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .post-card:hover .post-image img {
            transform: scale(1.1);
        }
        
        .post-content {
            padding: 25px;
        }
        
        .post-title {
            font-size: 1.2rem;
            margin-bottom: 15px;
            color: var(--primary);
        }
        
        .post-title a {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .post-title a:hover {
            color: var(--secondary);
        }
        
        .post-excerpt {
            color: var(--gray);
            margin-bottom: 20px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .post-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--gray);
        }
        
     
        
        /* 动画 */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .article-main {
                grid-template-columns: 1fr;
            }
            
            .article-title {
                font-size: 2rem;
            }
            
            .article-image {
                height: 350px;
            }
            
            .article-navigation {
                flex-direction: column;
                gap: 20px;
            }
            
            .nav-item {
                max-width: 100%;
            }
        }
        
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            
            nav {
                margin-top: 20px;
                width: 100%;
                display: none;
            }
            
            nav.active {
                display: block;
            }
            
            nav ul {
                flex-direction: column;
            }
            
            nav ul li {
                margin: 10px 0;
            }
            
            .mobile-menu-btn {
                display: block;
                position: absolute;
                top: 15px;
                right: 15px;
            }
            
            .article-title {
                font-size: 1.8rem;
            }
            
            .article-image {
                height: 300px;
            }
            
            .article-actions {
                flex-direction: column;
                gap: 20px;
                align-items: flex-start;
            }
            
            .posts-grid {
                grid-template-columns: 1fr;
            }
            
            .article-meta {
                flex-direction: column;
                gap: 10px;
            }
        }
        
        @media (max-width: 576px) {
            .article-title {
                font-size: 1.6rem;
            }
            
            .article-image {
                height: 250px;
            }
        }
        
        /* 无障碍访问优化 */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        
        a:focus, button:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        
        /* 打印样式 */
        @media print {
            header, nav, .article-actions, .article-sidebar, .related-posts, footer {
                display: none;
            }
            
            .article-main {
                grid-template-columns: 1fr;
            }
            
            body {
                font-size: 12pt;
                line-height: 1.5;
                color: black;
            }
            
            .article-title {
                font-size: 18pt;
                color: black;
            }
            
            .article-body h2 {
                font-size: 16pt;
                color: black;
                border-bottom: 1px solid #ccc;
            }
            
            a {
                color: black;
                text-decoration: underline;
            }
            
            .article-image {
                height: 200px;
            }
        }