/* 面包屑导航 */
        .breadcrumb {
            padding: 30px 0 15px;
            animation: fadeIn 0.6s ease;
        }
        
        .breadcrumb ul {
            display: flex;
            list-style: none;
        }
        
        .breadcrumb li {
            margin-right: 15px;
            font-size: 0.95rem;
            color: #6c757d;
            display: flex;
            align-items: center;
        }
        
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 15px;
            color: #adb5bd;
        }
        
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        
        /* 文章头部 */
        .article-header {
            margin: 20px 0 40px;
            animation: fadeInUp 0.8s ease;
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .article-title {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 20px;
            line-height: 1.3;
            font-weight: 700;
        }
        
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            color: #6c757d;
            margin-bottom: 25px;
        }
        
        .meta-item {
            display: flex;
            align-items: center;
            margin-right: 25px;
            font-size: 0.95rem;
        }
        
        .meta-item i {
            margin-right: 8px;
            color: var(--secondary);
        }
        
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            margin-top: 15px;
        }
        
        .tag {
            background-color: rgba(10, 36, 99, 0.08);
            color: var(--primary);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            margin-right: 10px;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        
        .tag:hover {
            background-color: var(--primary);
            color: white;
            transform: translateY(-2px);
        }
        
        /* 文章内容 */
        .article-content {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            margin: 50px 0;
            animation: fadeIn 1s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .main-content {
            background: white;
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        
		 .main-content img {
                      width: 100%;
            height: 100%;
        }
		
        .content-section {
            margin-bottom: 50px;
        }
 
        .content-section h2 {
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary);
            font-size: 1.8rem;
            position: relative;
        }
        
        .content-section h2::before {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 60px;
            height: 2px;
            background-color: var(--primary);
        }
        
        .content-section p {
            margin-bottom: 20px;
            font-size: 1.05rem;
            color: #343a40;
        }
        
        .content-section ul, .content-section ol {
            padding-left: 25px;
            margin-bottom: 25px;
        }
        
        .content-section li {
            margin-bottom: 10px;
            position: relative;
        }
        
        .content-section ul li::before {
            content: '•';
            color: var(--secondary);
            font-weight: bold;
            display: inline-block;
            width: 1em;
            margin-left: -1em;
        }
        
        .info-box {
            background-color: rgba(212, 175, 55, 0.1);
            border-left: 4px solid var(--secondary);
            padding: 25px;
            border-radius: 8px;
            margin: 30px 0;
        }
        
        .info-box h4 {
            color: var(--primary);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .info-box h4 i {
            margin-right: 10px;
            color: var(--secondary);
        }
        
        .image-container {
            margin: 30px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            position: relative;
        }
        
        .image-container img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }
        
        .image-container:hover img {
            transform: scale(1.03);
        }
        
        .image-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(0, 0, 0, 0.7);
            color: white;
            padding: 10px 15px;
            font-size: 0.9rem;
        }
        
        /* 侧边栏 */
        .sidebar {
            position: relative;
        }
        
        .sticky-sidebar {
            position: sticky;
            top: 100px;
        }
        
        .sidebar-widget {
            background: white;
            border-radius: var(--radius);
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .sidebar-widget:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }
        
        .widget-title {
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid #e9ecef;
            position: relative;
            font-size: 1.3rem;
        }
        
        .widget-title::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 60px;
            height: 2px;
            background-color: var(--secondary);
        }
        
        .popular-articles {
            list-style: none;
        }
        
        .popular-articles li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid #f1f1f1;
        }
        
        .popular-articles li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .popular-articles a {
            display: flex;
            align-items: center;
            color: var(--dark);
            font-weight: 500;
        }
        
        .popular-articles a:hover {
            color: var(--secondary);
        }
        
        .popular-articles a::before {
            content: '•';
            color: var(--secondary);
            font-weight: bold;
            margin-right: 10px;
            font-size: 1.2rem;
        }
        
        .widget-cta {
            background: linear-gradient(135deg, var(--primary) 0%, #1a3a8f 100%);
            color: white;
            text-align: center;
            padding: 30px 25px;
        }
        
        .widget-cta h3 {
            margin-bottom: 15px;
            font-size: 1.4rem;
        }
        
        .widget-cta p {
            margin-bottom: 20px;
            opacity: 0.9;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--secondary);
            color: var(--dark);
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid var(--secondary);
        }
        
        .btn:hover {
            background-color: transparent;
            color: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        /* 文章导航 */
        .article-navigation {
            display: flex;
            justify-content: space-between;
            margin: 60px 0 40px;
            animation: fadeIn 1.2s ease;
        }
        
        .nav-btn {
            display: flex;
            align-items: center;
            background: white;
            padding: 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            width: 48%;
            color: var(--dark);
        }
        
        .nav-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            color: var(--primary);
        }
        
        .nav-btn i {
            font-size: 1.5rem;
            margin: 0 15px;
            color: var(--secondary);
        }
        
        .nav-btn.prev i {
            order: -1;
            margin-left: 0;
        }
        
        .nav-btn.next {
            text-align: right;
            justify-content: flex-end;
        }
        
        .nav-btn.next i {
            order: 1;
            margin-right: 0;
        }
        
        .nav-text {
            font-size: 0.9rem;
            color: #6c757d;
            display: block;
            margin-bottom: 5px;
        }
        
        .nav-title {
            font-weight: 600;
            font-size: 1.05rem;
        }
        
        /* 相关文章 */
        .related-articles {
            margin: 60px 0;
            animation: fadeIn 1.4s ease;
        }
        
        .section-title {
            margin-bottom: 40px;
            position: relative;
            padding-bottom: 15px;
        }
        
        .section-title h2 {
            font-size: 2rem;
            color: var(--primary);
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 0;
            width: 80px;
            height: 3px;
            background-color: var(--secondary);
        }
        
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .article-card {
            background-color: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .article-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }
        
        .article-card-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        
        .article-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .article-card:hover .article-card-image img {
            transform: scale(1.1);
        }
        
        .article-card-content {
            padding: 25px;
        }
        
        .article-card-content h3 {
            margin-bottom: 15px;
            color: var(--primary);
            font-size: 1.3rem;
            line-height: 1.4;
        }
        
        .article-card-content p {
            color: #6c757d;
            margin-bottom: 20px;
            font-size: 0.95rem;
        }
        
        .article-card-meta {
            display: flex;
            justify-content: space-between;
            color: #adb5bd;
            font-size: 0.85rem;
        }
        
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .article-content {
                grid-template-columns: 1fr;
            }
            
            .sidebar {
                order: -1;
                margin-bottom: 40px;
            }
            
            .sticky-sidebar {
                position: static;
            }
            
            nav ul {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .article-title {
                font-size: 2.2rem;
            }
        }
        
        @media (max-width: 768px) {
            .article-navigation {
                flex-direction: column;
            }
            
            .nav-btn {
                width: 100%;
                margin-bottom: 15px;
            }
            
            .article-title {
                font-size: 1.8rem;
            }
            
            .main-content {
                padding: 25px;
            }
            
            .footer-bottom-content {
                flex-direction: column;
                text-align: center;
            }
            
            .friend-links {
                justify-content: center;
                margin-bottom: 20px;
            }
        }
        
        @media (max-width: 576px) {
            .logo h1 {
                font-size: 1.5rem;
            }
            
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .meta-item {
                margin-bottom: 10px;
            }
            
            .article-title {
                font-size: 1.6rem;
            }
            
            .content-section h2 {
                font-size: 1.5rem;
            }
            
            .section-title h2 {
                font-size: 1.6rem;
            }
        }
        
        /* 动画效果 */
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        
        .animate-on-scroll.animated {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* 高亮代码块 */
        .code-block {
            background: #2d2d2d;
            color: #f8f8f2;
            border-radius: 8px;
            padding: 20px;
            margin: 25px 0;
            overflow-x: auto;
            font-family: 'Courier New', monospace;
            font-size: 0.95rem;
            line-height: 1.5;
        }
        
        .code-keyword {
            color: #ff79c6;
        }
        
        .code-comment {
            color: #6272a4;
        }
        
        .code-string {
            color: #f1fa8c;
        }
        
        .code-function {
            color: #50fa7b;
        }
        
        /* 表格样式 */
        .content-table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
        }
        
        .content-table th, .content-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #e9ecef;
        }
        
        .content-table th {
            background-color: var(--primary);
            color: white;
            font-weight: 600;
        }
        
        .content-table tr:nth-child(even) {
            background-color: #f8f9fa;
        }
        
        .content-table tr:hover {
            background-color: rgba(10, 36, 99, 0.05);
        }
        
        /* 引用样式 */
        blockquote {
            background: linear-gradient(to right, rgba(10, 36, 99, 0.05) 0%, rgba(10, 36, 99, 0.02) 100%);
            border-left: 4px solid var(--secondary);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
            font-style: italic;
            position: relative;
        }
        
        blockquote::before {
            content: '"';
            font-size: 4rem;
            color: var(--secondary);
            opacity: 0.2;
            position: absolute;
            top: 10px;
            left: 10px;
            line-height: 1;
        }
        
        blockquote p {
            margin-bottom: 0;
            color: #495057;
            font-size: 1.1rem;
        }
        
        /* 社交分享 */
        .social-share {
            display: flex;
            margin: 40px 0;
            padding: 20px 0;
            border-top: 1px solid #e9ecef;
            border-bottom: 1px solid #e9ecef;
        }
        
        .share-text {
            margin-right: 15px;
            font-weight: 600;
            color: var(--primary);
        }
        
        .share-buttons {
            display: flex;
        }
        
        .share-button {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #f1f3f5;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            color: #495057;
            transition: var(--transition);
        }
        
        .share-button:hover {
            transform: translateY(-3px);
            color: white;
        }
        
        .share-wechat:hover {
            background: #2aae67;
        }
        
        .share-weibo:hover {
            background: #e71f19;
        }
        
        .share-qq:hover {
            background: #2baeff;
        }
        
        .share-link:hover {
            background: var(--primary);
        }