/* 面包屑导航 */
        .breadcrumb {
            padding: 120px 0 30px;
            background: var(--light);
        }
        
        .breadcrumb-content {
            display: flex;
            align-items: center;
            font-size: 0.95rem;
        }
        
        .breadcrumb-content a {
            color: var(--primary);
            transition: color 0.3s ease;
        }
        
        .breadcrumb-content a:hover {
            color: var(--accent);
        }
        
        .breadcrumb-content span {
            margin: 0 10px;
            color: #9CA3AF;
        }
        
        /* 文章主体 */
        .article-section {
            padding: 50px 0;
            background: #FFFFFF;
        }
        
        .article-container {
            display: block;
        }
        
        .article-main {
            background: #FFFFFF;
            border-radius: 12px;
            padding: 0;
        }
        
        .hero-banner {
            position: relative;
            width: 100%;
            height: 500px;
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 40px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .hero-banner img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .hero-content {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
            color: white;
            width: 80%;
            z-index: 2;
        }
        
        .hero-content::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 36, 99, 0.7);
            z-index: -1;
            border-radius: 8px;
            padding: 30px;
        }
        
        .article-title {
            font-size: 2.8rem;
            color: var(--light-text);
            margin-bottom: 20px;
            line-height: 1.3;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }
        
        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--light-text);
            font-size: 1rem;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        
        .meta-item {
            display: flex;
            align-items: center;
            margin: 0 15px;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
        }
        
        .meta-item i {
            margin-right: 8px;
            color: var(--accent-light);
        }
        
        .article-content {
            font-size: 1.1rem;
            line-height: 1.8;
        }
        
        .article-content h2 {
            font-size: 1.8rem;
            color: var(--primary-dark);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light);
        }
        
        .article-content h3 {
            font-size: 1.4rem;
            color: var(--primary);
            margin: 30px 0 15px;
        }
        
        .article-content p {
            margin-bottom: 20px;
            text-align: justify;
        }
        
        .article-content blockquote {
            background: var(--light);
            border-left: 4px solid var(--accent);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
            font-style: italic;
        }
        
        .article-content ul, .article-content ol {
            margin: 20px 0;
            padding-left: 30px;
        }
        
        .article-content li {
            margin-bottom: 10px;
        }
        
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
        }
        
        .article-content th, .article-content td {
            border: 1px solid #E5E7EB;
            padding: 12px 15px;
            text-align: left;
        }
        
        .article-content th {
            background: var(--light);
            color: var(--primary-dark);
            font-weight: 600;
        }
        
        .article-content tr:nth-child(even) {
            background: #F9FAFB;
        }
        
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            margin: 40px 0 30px;
        }
        
        .tag {
            background: var(--light);
            color: var(--primary);
            padding: 6px 15px;
            border-radius: 50px;
            font-size: 0.9rem;
            margin-right: 10px;
            margin-bottom: 10px;
            transition: all 0.3s ease;
        }
        
        .tag:hover {
            background: var(--primary);
            color: var(--light-text);
        }
        
        .article-share {
            display: flex;
            align-items: center;
            margin: 30px 0;
            padding-top: 30px;
            border-top: 1px solid #E5E7EB;
        }
        
        .share-text {
            font-weight: 500;
            margin-right: 15px;
        }
        
        .share-buttons {
            display: flex;
        }
        
        .share-button {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            transition: all 0.3s ease;
        }
        
        .share-button:hover {
            background: var(--primary);
            color: var(--light-text);
            transform: translateY(-3px);
        }
        
        /* 上一篇下一篇导航 */
        .article-navigation {
            display: flex;
            justify-content: space-between;
            margin: 50px 0 30px;
            padding: 25px 0;
            border-top: 1px solid #E5E7EB;
            border-bottom: 1px solid #E5E7EB;
        }
        
        .nav-item {
            display: flex;
            align-items: center;
            max-width: 45%;
        }
        
        .nav-item.prev {
            text-align: left;
        }
        
        .nav-item.next {
            text-align: right;
            flex-direction: row-reverse;
            margin-left: auto;
        }
        
        .nav-icon {
            font-size: 1.5rem;
            color: var(--primary);
            margin: 0 15px;
        }
        
        .nav-content h4 {
            font-size: 1rem;
            color: #6B7280;
            margin-bottom: 8px;
            font-weight: 500;
        }
        
        .nav-content h3 {
            font-size: 1.2rem;
            color: var(--primary-dark);
            font-weight: 600;
            transition: color 0.3s ease;
        }
        
        .nav-item:hover .nav-content h3 {
            color: var(--accent);
        }
        
        /* 热门文章部分 */
        .popular-articles {
            padding: 60px 0 30px;
        }
        
        .section-title {
            font-size: 1.8rem;
            color: var(--primary-dark);
            margin-bottom: 30px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }
        
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 25px;
        }
        
        .article-card {
            background: #FFFFFF;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }
        
        .card-image {
            width: 100%;
            height: 180px;
            overflow: hidden;
        }
        
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .article-card:hover .card-image img {
            transform: scale(1.05);
        }
        
        .card-content {
            padding: 20px;
        }
        
        .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 12px;
            line-height: 1.4;
            transition: color 0.3s ease;
        }
        
        .article-card:hover .card-title {
            color: var(--primary);
        }
        
        .card-meta {
            display: flex;
            align-items: center;
            color: #6B7280;
            font-size: 0.85rem;
        }
        
        .card-meta i {
            margin-right: 5px;
            color: var(--accent);
        }
        
        .card-meta span {
            margin-right: 15px;
        }
        
   
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .article-title {
                font-size: 2.2rem;
            }
            
            .hero-banner {
                height: 400px;
            }
        }
        
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            
            .nav-menu {
                position: fixed;
                top: 80px;
                left: -100%;
                flex-direction: column;
                background: var(--primary-dark);
                width: 100%;
                text-align: center;
                transition: 0.4s;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
                padding: 30px 0;
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-menu li {
                margin: 20px 0;
            }
            
            .hero-banner {
                height: 350px;
            }
            
            .article-title {
                font-size: 1.8rem;
            }
            
            .article-meta {
                flex-direction: column;
            }
            
            .meta-item {
                margin-bottom: 10px;
            }
            
            .article-navigation {
                flex-direction: column;
            }
            
            .nav-item {
                max-width: 100%;
                margin-bottom: 20px;
            }
            
            .nav-item.next {
                margin-left: 0;
            }
            
            .articles-grid {
                grid-template-columns: 1fr;
            }
        }