/* ====== 文章页面独享CSS部分 ====== */
        /* 文章顶部横幅 */
        .article-header {
            padding: 180px 0 80px;
            background: var(--gradient-primary);
            position: relative;
            overflow: hidden;
            color: white;
            margin-top: 80px;
        }
        
        .article-header:before {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            background: url("data:image/svg+xml,%3Csvg width='100' height='20' viewBox='0 0 100 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M21.184 20c.357-.13.720-.264 1.088-.402l1.768-.661C33.64 15.347 39.647 14 50 14c10.271 0 15.362 1.222 24.629 4.928.955.383 1.869.74 2.75 1.072h6.225c-2.51-.73-5.139-1.691-8.233-2.928C65.888 13.278 60.562 12 50 12c-10.626 0-16.855 1.397-26.66 5.063l-1.767.662c-2.475.923-4.66 1.674-6.724 2.275h6.335zm0-20C13.258 2.892 8.077 4 0 4V2c5.744 0 9.951-.574 14.85-2h6.334zM77.38 0C85.239 2.966 90.502 4 100 4V2c-6.842 0-11.386-.542-16.396-2h-6.225zM0 14c8.44 0 13.718-1.21 22.272-4.402l1.768-.661C33.64 5.347 39.647 4 50 4c10.271 0 15.362 1.222 24.629 4.928C84.112 12.722 89.438 14 100 14v-2c-10.271 0-15.362-1.222-24.629-4.928C65.888 3.278 60.562 2 50 2 39.374 2 33.145 3.397 23.34 7.063l-1.767.662C13.223 10.84 8.163 12 0 12v2z' fill='%2300b4d8' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E");
            opacity: 0.3;
        }
        
        .article-meta {
            display: flex;
            justify-content: space-between;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .article-category {
            background: var(--accent);
            color: white;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-block;
        }
        
        .article-date {
            color: rgba(255, 255, 255, 0.8);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .article-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 25px;
            position: relative;
            z-index: 2;
        }
        
        .article-excerpt {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 800px;
            margin-bottom: 40px;
            line-height: 1.8;
        }
        
        /* 文章主体内容区域 */
        .article-container {
            width: 100%;
            max-width: 1000px;
            margin: 0 auto;
            padding: 80px 0;
        }
        
        /* 文章内容样式 - 严格按模板要求设置 */
        .article-content {
            background: white;
            border-radius: var(--border-radius);
            padding: 60px;
            box-shadow: var(--shadow);
            margin-bottom: 60px;
            position: relative;
            overflow: hidden;
        }
        
        .article-content:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--gradient-accent);
        }
        
        /* H2标题样式 */
        .article-content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin: 50px 0 25px;
            padding-bottom: 15px;
            position: relative;
            line-height: 1.3;
        }
        
        .article-content h2:after {
            content: '';
            position: absolute;
            width: 60px;
            height: 4px;
            background: var(--gradient-accent);
            left: 0;
            bottom: 0;
            border-radius: 4px;
        }
        
        /* H3标题样式 */
        .article-content h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin: 40px 0 20px;
            line-height: 1.4;
        }
        
        /* H4标题样式 */
        .article-content h4 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--secondary);
            margin: 30px 0 15px;
            line-height: 1.4;
        }
        
        /* H5标题样式 */
        .article-content h5 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--secondary);
            margin: 25px 0 12px;
            line-height: 1.4;
        }
        
        /* 段落样式 */
        .article-content p {
            font-size: 1.1rem;
            color: #444;
            margin-bottom: 25px;
            line-height: 1.8;
        }
        
        /* 图片样式 - 自适应大小 */
        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 40px 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            display: block;
        }
        
        .article-content img:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
        }
        
        /* 图片标题 */
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -30px;
            margin-bottom: 40px;
            font-size: 0.95rem;
        }
        
        /* 列表样式 */
        .article-content ul, .article-content ol {
            margin-left: 25px;
            margin-bottom: 25px;
            color: #444;
        }
        
        .article-content li {
            margin-bottom: 10px;
            line-height: 1.7;
        }
        
        /* 引用样式 */
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            padding: 25px 30px;
            background: rgba(0, 180, 216, 0.05);
            margin: 40px 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: var(--secondary);
        }
        
        /* 表格样式 */
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 40px 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
        }
        
        .article-content th, .article-content td {
            padding: 18px 20px;
            text-align: left;
            border-bottom: 1px solid #eee;
        }
        
        .article-content th {
            background: var(--gradient-primary);
            color: white;
            font-weight: 600;
        }
        
        .article-content tr:nth-child(even) {
            background: rgba(248, 249, 255, 0.5);
        }
        
        /* 文章底部导航（上一篇/下一篇） */
        .article-navigation {
            display: flex;
            justify-content: space-between;
            margin: 60px 0;
            padding-top: 40px;
            border-top: 1px solid rgba(15, 26, 54, 0.1);
        }
        
        .nav-btn {
            display: flex;
            align-items: center;
            gap: 15px;
            text-decoration: none;
            color: var(--primary);
            padding: 20px 30px;
            border-radius: var(--border-radius);
            background: white;
            box-shadow: var(--shadow);
            transition: var(--transition);
            max-width: 45%;
            flex: 1;
        }
        
        .nav-btn:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            color: var(--accent);
        }
        
        .nav-btn.prev {
            margin-right: 20px;
        }
        
        .nav-btn.next {
            margin-left: 20px;
            text-align: right;
            flex-direction: row-reverse;
        }
        
        .nav-icon {
            width: 50px;
            height: 50px;
            background: rgba(0, 180, 216, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        
        .nav-text {
            flex: 1;
        }
        
        .nav-label {
            font-size: 0.9rem;
            color: #666;
            margin-bottom: 5px;
        }
        
        .nav-title {
            font-weight: 600;
            font-size: 1.1rem;
            line-height: 1.4;
        }
        
        /* 相关文章区域 */
        .related-articles {
            margin: 80px 0 40px;
        }
        
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 50px;
            text-align: center;
            position: relative;
            padding-bottom: 20px;
        }
        
        .section-title:after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--gradient-accent);
            left: 50%;
            bottom: 0;
            transform: translateX(-50%);
            border-radius: 4px;
        }
        
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .related-card {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }
        
        .related-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-hover);
        }
        
        .related-image {
            height: 200px;
            overflow: hidden;
        }
        
        .related-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .related-card:hover .related-image img {
            transform: scale(1.05);
        }
        
        .related-content {
            padding: 25px;
        }
        
        .related-meta {
            display: flex;
            justify-content: space-between;
            margin-bottom: 15px;
            font-size: 0.9rem;
        }
        
        .related-category {
            background: rgba(0, 180, 216, 0.1);
            color: var(--accent);
            padding: 5px 15px;
            border-radius: 50px;
            font-weight: 600;
        }
        
        .related-date {
            color: #999;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .related-content h3 {
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .related-content h3 a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .related-content h3 a:hover {
            color: var(--accent);
        }
        
        .related-excerpt {
            color: #666;
            margin-bottom: 20px;
            font-size: 0.95rem;
        }
        
        .related-link {
            color: var(--accent);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        
        .related-link:hover {
            gap: 12px;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .article-title {
                font-size: 2.5rem;
            }
            
            .article-content {
                padding: 40px;
            }
            
            .article-content h2 {
                font-size: 1.9rem;
            }
            
            .article-content h3 {
                font-size: 1.6rem;
            }
            
            .article-navigation {
                flex-direction: column;
                gap: 20px;
            }
            
            .nav-btn {
                max-width: 100%;
                margin: 0 !important;
            }
            
            .related-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
        }
        
        @media (max-width: 768px) {
            .article-header {
                padding: 150px 0 60px;
            }
            
            .article-title {
                font-size: 2rem;
            }
            
            .article-content {
                padding: 30px;
            }
            
            .article-container {
                padding: 50px 0;
            }
            
            .article-content h2 {
                font-size: 1.7rem;
            }
            
            .article-content h3 {
                font-size: 1.4rem;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
            
            .related-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 480px) {
            .article-title {
                font-size: 1.8rem;
            }
            
            .article-content h2 {
                font-size: 1.5rem;
            }
            
            .article-content h3 {
                font-size: 1.3rem;
            }
            
            .article-meta {
                flex-direction: column;
            }
        }