/* ========== 独享CSS部分 - 文章页面 ========== */
        
        /* 文章页面头部 */
        .article-header {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 120px 0 60px;
            position: relative;
            overflow: hidden;
        }
        
        .article-header:before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            opacity: 0.05;
            clip-path: polygon(100% 0, 0% 100%, 100% 100%);
        }
        
        .article-header-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }
        
        .article-meta {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            color: var(--gray);
            font-size: 0.95rem;
            flex-wrap: wrap;
        }
        
        .article-category {
            display: inline-block;
            background-color: rgba(0, 102, 204, 0.1);
            color: var(--primary);
            padding: 6px 15px;
            border-radius: 30px;
            font-weight: 600;
            margin-right: 15px;
            font-size: 0.9rem;
            border: 1px solid rgba(0, 102, 204, 0.2);
        }
        
        .article-date {
            display: flex;
            align-items: center;
            margin-right: 20px;
        }
        
        .article-date i {
            margin-right: 5px;
        }
        
        .article-reading-time {
            display: flex;
            align-items: center;
        }
        
        .article-reading-time i {
            margin-right: 5px;
        }
        
        .article-header h1 {
            font-size: 3rem;
            color: var(--dark);
            margin-bottom: 25px;
            line-height: 1.2;
        }
        
        .article-header p {
            font-size: 1.2rem;
            color: var(--gray);
            max-width: 800px;
            line-height: 1.7;
        }
        
        /* 文章内容区域 */
        .article-content {
            max-width: 100%;
            margin: 0 auto;
            padding: 60px 0;
        }
        
        /* 文章主体样式 - 占据横向所有位置 */
        .article-body {
            width: 100%;
            max-width: 900px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 文章主体中的标题和段落样式 */
        .article-body h2 {
            font-size: 2rem;
            color: var(--dark);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-gray);
            position: relative;
        }
        
        .article-body h2:before {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 60px;
            height: 2px;
            background-color: var(--primary);
        }
        
        .article-body h3 {
            font-size: 1.6rem;
            color: var(--dark);
            margin: 35px 0 15px;
        }
        
        .article-body h4 {
            font-size: 1.3rem;
            color: var(--dark);
            margin: 30px 0 12px;
        }
        
        .article-body h5 {
            font-size: 1.1rem;
            color: var(--dark);
            margin: 25px 0 10px;
            font-weight: 600;
        }
        
        .article-body p {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--dark);
            margin-bottom: 20px;
        }
        
        .article-body strong {
            color: var(--primary);
            font-weight: 600;
        }
        
        /* 文章图片样式 - 自适应大小 */
        .article-body img {
            max-width: 100%;
            height: auto;
            margin: 30px auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .article-body img:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }
        
        /* 图片说明文字 */
        .img-caption {
            text-align: center;
            font-size: 0.95rem;
            color: var(--gray);
            margin-top: -20px;
            margin-bottom: 30px;
            font-style: italic;
        }
        
        /* 文章列表样式 */
        .article-body ul, .article-body ol {
            margin: 20px 0 25px 30px;
        }
        
        .article-body ul li, .article-body ol li {
            margin-bottom: 10px;
            line-height: 1.7;
            font-size: 1.1rem;
            color: var(--dark);
        }
        
        .article-body ul li {
            list-style-type: disc;
        }
        
        .article-body ol li {
            list-style-type: decimal;
        }
        
        /* 引用样式 */
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 20px 25px;
            margin: 30px 0;
            background-color: rgba(0, 102, 204, 0.05);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            font-style: italic;
            color: var(--dark);
        }
        
        .article-body blockquote p {
            margin-bottom: 0;
            font-size: 1.1rem;
        }
        
        /* 表格样式 */
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        
        .article-body table th {
            background-color: var(--primary);
            color: white;
            padding: 15px;
            text-align: left;
            font-weight: 600;
        }
        
        .article-body table td {
            padding: 15px;
            border-bottom: 1px solid var(--light-gray);
        }
        
        .article-body table tr:nth-child(even) {
            background-color: rgba(0, 102, 204, 0.03);
        }
        
        .article-body table tr:hover {
            background-color: rgba(0, 102, 204, 0.08);
        }
        
        /* 代码块样式 */
        .article-body pre {
            background-color: #f5f5f5;
            border-radius: var(--border-radius);
            padding: 20px;
            margin: 25px 0;
            overflow-x: auto;
            border-left: 3px solid var(--accent);
        }
        
        .article-body code {
            font-family: 'Courier New', monospace;
            font-size: 0.95rem;
            color: var(--dark);
        }
        
        /* 文章导航 - 上一篇/下一篇 */
        .article-navigation {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 80px;
            padding-top: 30px;
            border-top: 1px solid var(--light-gray);
        }
        
        .article-nav-link {
            display: flex;
            align-items: center;
            max-width: 45%;
            padding: 20px;
            border-radius: var(--border-radius);
            background-color: white;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--light-gray);
        }
        
        .article-nav-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            border-color: var(--primary);
        }
        
        .nav-prev {
            text-align: left;
        }
        
        .nav-next {
            text-align: right;
        }
        
        .nav-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border-radius: 50%;
            font-size: 1.2rem;
            margin-right: 15px;
            flex-shrink: 0;
        }
        
        .nav-next .nav-icon {
            margin-right: 0;
            margin-left: 15px;
            order: 2;
        }
        
        .nav-text {
            flex-grow: 1;
        }
        
        .nav-text span {
            display: block;
            font-size: 0.9rem;
            color: var(--gray);
            margin-bottom: 5px;
        }
        
        .nav-text h4 {
            font-size: 1.1rem;
            color: var(--dark);
            margin-bottom: 0;
        }
        
        /* 相关文章 */
        .related-articles {
            margin-top: 60px;
            margin-bottom: 80px;
        }
        
        .related-articles h3 {
            font-size: 1.8rem;
            color: var(--dark);
            margin-bottom: 30px;
            text-align: center;
        }
        
        .related-articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .related-article-card {
            background-color: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--light-gray);
            height: 100%;
        }
        
        .related-article-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            border-color: var(--primary);
        }
        
        .related-article-image {
            height: 180px;
            overflow: hidden;
        }
        
        .related-article-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        
        .related-article-card:hover .related-article-image img {
            transform: scale(1.1);
        }
        
        .related-article-content {
            padding: 25px;
        }
        
        .related-article-meta {
            display: flex;
            align-items: center;
            margin-bottom: 10px;
            color: var(--gray);
            font-size: 0.85rem;
        }
        
        .related-article-category {
            display: inline-block;
            background-color: rgba(255, 107, 53, 0.1);
            color: var(--accent);
            padding: 4px 10px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 500;
            margin-right: 10px;
        }
        
        .related-article-content h4 {
            font-size: 1.2rem;
            color: var(--dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        
        .related-article-content h4 a {
            color: var(--dark);
            transition: var(--transition);
        }
        
        .related-article-content h4 a:hover {
            color: var(--primary);
        }
        
        .related-article-content p {
            color: var(--gray);
            font-size: 0.95rem;
            margin-bottom: 15px;
            line-height: 1.6;
        }
        
        /* 文章侧边栏 */
        .article-sidebar {
            margin-top: 60px;
        }
        
        .sidebar-widget {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--shadow);
            border: 1px solid var(--light-gray);
            margin-bottom: 30px;
        }
        
        .sidebar-widget h4 {
            font-size: 1.3rem;
            color: var(--dark);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-gray);
        }
        
        .sidebar-links li {
            margin-bottom: 12px;
        }
        
        .sidebar-links a {
            display: flex;
            align-items: center;
            color: var(--gray);
            transition: var(--transition);
            padding: 8px 0;
        }
        
        .sidebar-links a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        
        .sidebar-links a i {
            margin-right: 10px;
            color: var(--primary);
            font-size: 0.9rem;
        }
        
        /* 文章分享 */
        .article-share {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 40px;
            padding-top: 30px;
            border-top: 1px solid var(--light-gray);
        }
        
        .share-text {
            margin-right: 15px;
            font-weight: 600;
            color: var(--dark);
        }
        
        .share-icons {
            display: flex;
        }
        
        .share-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: var(--light-gray);
            color: var(--dark);
            margin: 0 5px;
            transition: var(--transition);
        }
        
        .share-icon:hover {
            transform: translateY(-3px);
        }
        
        .share-icon.facebook:hover {
            background-color: #3b5998;
            color: white;
        }
        
        .share-icon.twitter:hover {
            background-color: #1da1f2;
            color: white;
        }
        
        .share-icon.linkedin:hover {
            background-color: #0077b5;
            color: white;
        }
        
        .share-icon.wechat:hover {
            background-color: #09b83e;
            color: white;
        }
        
        /* 文章信息卡片 */
        .article-info-card {
            background: linear-gradient(135deg, rgba(0, 102, 204, 0.05), rgba(0, 168, 232, 0.05));
            border-radius: var(--border-radius);
            padding: 25px;
            margin: 40px 0;
            border-left: 4px solid var(--primary);
        }
        
        .article-info-card h4 {
            color: var(--primary);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .article-info-card h4 i {
            margin-right: 10px;
        }
        
        /* ========== 响应式设计 ========== */
        @media (max-width: 992px) {
            .article-header h1 {
                font-size: 2.5rem;
            }
            
            .article-body {
                max-width: 100%;
                padding: 0 30px;
            }
            
            .article-navigation {
                flex-direction: column;
            }
            
            .article-nav-link {
                max-width: 100%;
                width: 100%;
                margin-bottom: 20px;
            }
            
            .related-articles-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
        }
        
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            
            .nav-menu {
                position: fixed;
                top: 90px;
                left: 0;
                width: 100%;
                background-color: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
                transform: translateY(-100%);
                opacity: 0;
                transition: var(--transition);
                z-index: 999;
            }
            
            .nav-menu.active {
                transform: translateY(0);
                opacity: 1;
            }
            
            .nav-menu li {
                margin: 0 0 15px 0;
            }
            
            .section-padding {
                padding: 60px 0;
            }
            
            .article-header {
                padding: 80px 0 40px;
            }
            
            .article-header h1 {
                font-size: 2rem;
            }
            
            .article-header p {
                font-size: 1.1rem;
            }
            
            .article-body {
                padding: 0 20px;
            }
            
            .article-body h2 {
                font-size: 1.6rem;
            }
            
            .article-body h3 {
                font-size: 1.3rem;
            }
            
            .article-body p {
                font-size: 1rem;
            }
            
            .related-articles-grid {
                grid-template-columns: 1fr;
            }
            
            /* 移动端调整电话链接 */
            .phone-link {
                min-width: 160px;
                padding: 10px 20px;
                font-size: 0.95rem;
            }
        }
        
        @media (max-width: 576px) {
            .article-header h1 {
                font-size: 1.8rem;
            }
            
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .article-category, .article-date, .article-reading-time {
                margin-bottom: 10px;
            }
            
            .article-body h2 {
                font-size: 1.4rem;
            }
            
            .article-body h3 {
                font-size: 1.2rem;
            }
            
            .article-body h4 {
                font-size: 1.1rem;
            }
            
            .article-nav-link {
                padding: 15px;
            }
            
            .nav-icon {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            
            .nav-text h4 {
                font-size: 1rem;
            }
        }