/* 页面标题区域 */
        .article-header {
            margin-top: 120px;
            padding: 60px 0 40px;
            text-align: center;
        }
        
        .article-title {
            font-size: 42px;
            font-weight: 700;
            color: #2c3e50;
            margin-bottom: 20px;
            line-height: 1.3;
            position: relative;
            padding-bottom: 20px;
        }
        
        .article-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, #4a6cf7, #8bc34a);
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }
        
        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 30px;
            color: #7f8c8d;
            font-size: 15px;
        }
        
        .meta-item {
            display: flex;
            align-items: center;
        }
        
        .meta-item i {
            margin-right: 8px;
            color: #4a6cf7;
        }
        
        /* 面包屑导航 */
        .breadcrumb {
            padding: 20px 0;
            font-size: 14px;
            color: #7f8c8d;
            background: rgba(255, 255, 255, 0.8);
            border-radius: 10px;
            margin-bottom: 30px;
            padding: 15px 20px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .breadcrumb a {
            color: #4a6cf7;
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .breadcrumb a:hover {
            color: #3b5be3;
            text-decoration: underline;
        }
        
        .breadcrumb span {
            margin: 0 10px;
        }
        
        /* 主要内容区域 - 已修复居中问题 */
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px auto; /* 修改为auto实现水平居中 */
            max-width: 1200px; /* 确保不超过容器最大宽度 */
            padding: 0 20px; /* 添加内边距 */
            width: 100%; /* 确保宽度100% */
        }
        
        /* 底部内容区域 - 新增样式 */
        .bottom-content {
            grid-column: 1 / -1;
            display: flex;
            flex-direction: column;
            gap: 40px;
            margin-top: 20px;
        }
        
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
                padding: 0 15px; /* 移动端减少内边距 */
            }
            
            .sidebar {
                order: 1;
            }
            
            .bottom-content {
                order: 2;
            }
        }
        
        /* 文章内容样式 */
        .article-content {
            background: white;
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            margin-bottom: 40px;
        }
        
        .article-section {
            margin-bottom: 40px;
        }
        
        .article-section h2 {
            font-size: 28px;
            color: #2c3e50;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 2px solid #f0f4f8;
            position: relative;
        }
        
        .article-section h2::after {
            content: '';
            position: absolute;
            width: 60px;
            height: 2px;
            background: #4a6cf7;
            bottom: -2px;
            left: 0;
        }
        
        .article-section h3 {
            font-size: 22px;
            color: #2c3e50;
            margin: 25px 0 15px;
        }
        
        .article-section p {
            margin-bottom: 20px;
            color: #555;
            line-height: 1.8;
        }
        
        .article-section ul, .article-section ol {
            margin-bottom: 20px;
            padding-left: 30px;
        }
        
        .article-section li {
            margin-bottom: 10px;
            color: #555;
        }
        
        .highlight-box {
            background: #f0f7ff;
            border-left: 4px solid #4a6cf7;
            padding: 20px;
            border-radius: 8px;
            margin: 25px 0;
        }
        
        .info-table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border-radius: 10px;
            overflow: hidden;
        }
        
        .info-table th {
            background: #4a6cf7;
            color: white;
            text-align: left;
            padding: 15px;
            font-weight: 500;
        }
        
        .info-table td {
            padding: 15px;
            border-bottom: 1px solid #f0f4f8;
        }
        
        .info-table tr:nth-child(even) {
            background: #f9fafc;
        }
        
        .info-table tr:last-child td {
            border-bottom: none;
        }
        
        .article-image {
            border-radius: 12px;
            overflow: hidden;
            margin: 30px 0;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .article-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s;
        }
        
        .article-image:hover img {
            transform: scale(1.03);
        }
        
        .image-caption {
            text-align: center;
            font-size: 14px;
            color: #7f8c8d;
            margin-top: 10px;
        }
        
        /* 侧边栏样式 */
        .sidebar-section {
            background: white;
            border-radius: 16px;
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
        }
        
        .sidebar-title {
            font-size: 20px;
            color: #2c3e50;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 2px solid #f0f4f8;
            position: relative;
        }
        
        .sidebar-title::after {
            content: '';
            position: absolute;
            width: 40px;
            height: 2px;
            background: #4a6cf7;
            bottom: -2px;
            left: 0;
        }
        
        .popular-articles {
            list-style: none;
        }
        
        .popular-articles li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid #f0f4f8;
        }
        
        .popular-articles li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .popular-articles a {
            color: #2c3e50;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
            display: flex;
            align-items: flex-start;
        }
        
        .popular-articles a:hover {
            color: #4a6cf7;
        }
        
        .popular-articles .article-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: #f0f4f8;
            color: #7f8c8d;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            margin-right: 10px;
            flex-shrink: 0;
        }
        
        .popular-articles .top-3 {
            background: #4a6cf7;
            color: white;
        }
        
        .category-list {
            list-style: none;
        }
        
        .category-list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px solid #f0f4f8;
        }
        
        .category-list li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .category-list a {
            color: #2c3e50;
            text-decoration: none;
            transition: color 0.3s;
            display: flex;
            justify-content: space-between;
        }
        
        .category-list a:hover {
            color: #4a6cf7;
        }
        
        .category-list .count {
            background: #f0f4f8;
            color: #7f8c8d;
            padding: 2px 8px;
            border-radius: 20px;
            font-size: 12px;
        }
        
        /* 文章导航 */
        .article-navigation {
            display: flex;
            justify-content: space-between;
            margin: 40px 0;
            flex-wrap: wrap;
            gap: 20px;
        }
        
        .nav-item {
            flex: 1;
            min-width: 280px;
            background: white;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .nav-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
        }
        
        .nav-item h4 {
            font-size: 16px;
            color: #7f8c8d;
            margin-bottom: 10px;
        }
        
        .nav-item a {
            font-size: 18px;
            color: #2c3e50;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .nav-item a:hover {
            color: #4a6cf7;
        }
        
        /* 相关文章 */
        .related-articles {
            margin: 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        
        .section-title h2 {
            font-size: 32px;
            color: #2c3e50;
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            width: 60px;
            height: 3px;
            background: #4a6cf7;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .article-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .article-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
        }
        
        .article-image {
            height: 200px;
            overflow: hidden;
        }
        
        .article-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .article-card:hover .article-image img {
            transform: scale(1.05);
        }
        
        .article-card-content {
            padding: 25px;
        }
        
        .article-card-category {
            display: inline-block;
            background: #e1f0fa;
            color: #4a6cf7;
            padding: 5px 12px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 500;
            margin-bottom: 15px;
        }
        
        .article-card-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 15px;
            color: #2c3e50;
            line-height: 1.4;
        }
        
        .article-card-excerpt {
            color: #7f8c8d;
            margin-bottom: 20px;
            line-height: 1.6;
        }
        
        .article-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: #95a5a6;
        }
        
        /* 咨询横幅 */
        .consult-banner {
            background: linear-gradient(135deg, #4a6fa5 0%, #2c3e50 100%);
            padding: 50px;
            border-radius: 16px;
            color: white;
            text-align: center;
            margin: 0;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .consult-banner h3 {
            font-size: 32px;
            margin-bottom: 20px;
        }
        
        .consult-banner p {
            margin-bottom: 30px;
            opacity: 0.9;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            font-size: 18px;
        }
        
        .btn {
            display: inline-block;
            background: white;
            color: #4a6cf7;
            padding: 14px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            box-shadow: 0 5px 20px rgba(255, 255, 255, 0.3);
        }
        
        .btn:hover {
            background: #f7f9fc;
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(255, 255, 255, 0.4);
        }
      
        /* 响应式设计 */
        @media (max-width: 992px) {
            .article-title {
                font-size: 32px;
            }
            
            .articles-grid {
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            }
        }
        
        @media (max-width: 768px) {
            nav ul {
                display: none;
            }
            
            .article-header {
                margin-top: 100px;
                padding: 40px 0 30px;
            }
            
            .article-title {
                font-size: 28px;
            }
            
            .article-meta {
                flex-direction: column;
                gap: 10px;
            }
            
            .article-content {
                padding: 25px;
            }
            
            .article-section h2 {
                font-size: 24px;
            }
            
            .article-section h3 {
                font-size: 20px;
            }
            
            .consult-banner {
                padding: 30px 20px;
            }
            
            .consult-banner h3 {
                font-size: 26px;
            }
            
            .section-title h2 {
                font-size: 26px;
            }
        }
        
        /* 动画效果 */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .animated {
            animation-duration: 1s;
            animation-fill-mode: both;
        }
        
        .fadeIn {
            animation-name: fadeIn;
        }
        
        .fadeInUp {
            animation-name: fadeInUp;
        }
        
        /* 滚动到顶部按钮 */
        .scroll-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: #4a6cf7;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            box-shadow: 0 5px 15px rgba(74, 108, 247, 0.4);
            z-index: 999;
        }
        
        .scroll-to-top.visible {
            opacity: 1;
            visibility: visible;
        }
        
        .scroll-to-top:hover {
            background: #3b5be3;
            transform: translateY(-5px);
        }