:root {
            --primary-blue: rgb(37, 138, 197); /* 指定蓝色 */
            --primary-dark-blue: rgb(25, 105, 155);
            --primary-light-blue: rgba(37, 138, 197, 0.1);
            --secondary-color: #ff7e30;
            --accent-color: #00c3a5;
            --light-color: #f8f9fa;
            --dark-color: #2c3e50;
            --gray-color: #6c757d;
            --light-gray: #e9ecef;
            --border-radius: 12px;
            --box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --base-font-size: 16px; /* 基础字体大小 */
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            font-size: var(--base-font-size);
        }
        
        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            color: var(--dark-color);
            background-color: #f9fbfd;
            line-height: 1.7; /* 增加行高，提高可读性 */
            overflow-x: hidden;
            -webkit-text-size-adjust: 100%; /* 防止字体自动调整 */
            text-size-adjust: 100%;
        }
        
        /* 修复页头样式 - 确保不影响原有导航 */
        header.navbar,
        #header,
        .header {
            position: relative !important;
            z-index: 1030;
            background-color: #fff !important;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1) !important;
        }
        
        /* 确保导航链接可读性 */
        .navbar-nav .nav-link {
            font-size: 1rem;
            color: #333 !important;
            font-weight: 500;
        }
        
        .navbar-nav .nav-link:hover {
            color: var(--primary-blue) !important;
        }
        
        /* 导航修复结束 */
        
        /* 文章页头部 - 蓝色主题设计 */
        .article-header-section {
            background: linear-gradient(135deg, 
                var(--primary-blue) 0%, 
                rgb(30, 120, 180) 25%, 
                rgb(25, 105, 155) 50%, 
                rgb(20, 90, 140) 75%, 
                rgb(15, 75, 125) 100%);
            padding: 100px 0 60px; /* 增加顶部padding，避免与导航重叠 */
            margin-bottom: 50px;
            position: relative;
            overflow: hidden;
        }
        
        /* 添加装饰性背景图案 */
        .article-header-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: 
                radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%),
                radial-gradient(circle at 70% 70%, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
            border-radius: 50%;
            transform: translate(30%, -30%);
        }
        
        .article-header-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
            border-radius: 50%;
        }
        
        /* 添加几何图形装饰 */
        .geometric-pattern {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            opacity: 0.1;
            background-image: 
                linear-gradient(30deg, rgba(255,255,255,0.1) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.1) 87.5%, rgba(255,255,255,0.1)),
                linear-gradient(150deg, rgba(255,255,255,0.1) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.1) 87.5%, rgba(255,255,255,0.1)),
                linear-gradient(30deg, rgba(255,255,255,0.1) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.1) 87.5%, rgba(255,255,255,0.1)),
                linear-gradient(150deg, rgba(255,255,255,0.1) 12%, transparent 12.5%, transparent 87%, rgba(255,255,255,0.1) 87.5%, rgba(255,255,255,0.1)),
                linear-gradient(60deg, rgba(255,255,255,0.15) 25%, transparent 25.5%, transparent 75%, rgba(255,255,255,0.15) 75%, rgba(255,255,255,0.15)),
                linear-gradient(60deg, rgba(255,255,255,0.15) 25%, transparent 25.5%, transparent 75%, rgba(255,255,255,0.15) 75%, rgba(255,255,255,0.15));
            background-size: 80px 140px;
            background-position: 0 0, 0 0, 40px 70px, 40px 70px, 0 0, 40px 70px;
        }
        
        .article-header {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
        
        .article-breadcrumb {
            margin-bottom: 20px;
            font-size: 0.95rem;
            background: rgba(255, 255, 255, 0.15);
            padding: 10px 15px;
            border-radius: 8px;
            display: inline-block;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            backdrop-filter: blur(5px);
        }
        
        .article-breadcrumb a {
            color: white;
            text-decoration: none;
            font-weight: 500;
        }
        
        .article-breadcrumb a:hover {
            text-decoration: underline;
            color: #e6f2ff;
        }
        
        .article-breadcrumb .separator {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.7);
        }
        
        .article-title {
            font-weight: 700;
            font-size: 2.2rem; /* 文章标题字体大小 */
            color: white;
            margin-bottom: 25px;
            line-height: 1.3;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
            position: relative;
            padding-bottom: 15px;
        }
        
        .article-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, white, rgba(255, 255, 255, 0.7));
            border-radius: 2px;
        }
        
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 25px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 1rem; /* 增加元信息字体大小 */
            margin-bottom: 30px;
            padding: 20px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            backdrop-filter: blur(5px);
        }
        
        .meta-item {
            display: flex;
            align-items: center;
            padding: 8px 15px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 6px;
            transition: var(--transition);
        }
        
        .meta-item:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        
        .meta-item i {
            margin-right: 10px;
            color: white;
        }
        
        /* 文章内容区域 */
        .article-content-section {
            max-width: 900px;
            margin: 0 auto 60px;
        }
        
        .article-body {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 40px;
            margin-bottom: 40px;
            position: relative;
            overflow: hidden;
            border-top: 5px solid var(--primary-blue);
        }
        
        /* 文章内容装饰角 */
        .article-body::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, transparent 50%, var(--primary-light-blue) 50%);
            border-radius: 0 12px 0 0;
        }
        
        .article-content {
            font-size: 1.1rem; /* 文章正文字体大小 */
            line-height: 1.8;
            color: #444; /* 增加对比度，提高可读性 */
            position: relative;
            z-index: 2;
        }
        
        .article-content h2, 
        .article-content h3, 
        .article-content h4 {
            color: var(--dark-color);
            margin-top: 2em;
            margin-bottom: 0.8em;
            font-weight: 600;
        }
        
        .article-content h2 {
            font-size: 1.7rem; /* 增加h2字体大小 */
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-gray);
            position: relative;
            color: var(--primary-dark-blue);
        }
        
        .article-content h2::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 50px;
            height: 2px;
            background: var(--primary-blue);
        }
        
        .article-content h3 {
            font-size: 1.5rem; /* 增加h3字体大小 */
            color: var(--primary-blue);
        }
        
        .article-content h4 {
            font-size: 1.3rem; /* 增加h4字体大小 */
            color: var(--primary-dark-blue);
        }
        
        .article-content p {
            margin-bottom: 1.5em;
        }
        
        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 25px 0;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .article-content table {
            width: 100%;
            margin: 25px 0;
            border-collapse: collapse;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid var(--light-gray);
        }
        
        .article-content th {
            background: linear-gradient(90deg, var(--primary-blue), var(--primary-dark-blue));
            color: white;
            font-weight: 600;
            text-align: left;
            padding: 18px 15px; /* 增加表格内边距 */
            font-size: 1.05rem;
        }
        
        .article-content td {
            padding: 15px;
            border-bottom: 1px solid var(--light-gray);
            font-size: 1rem;
        }
        
        .article-content tr:nth-child(even) {
            background-color: var(--primary-light-blue);
        }
        
        .article-content tr:hover {
            background-color: rgba(37, 138, 197, 0.08);
        }
        
        .article-content blockquote {
            border-left: 4px solid var(--primary-blue);
            background: linear-gradient(90deg, var(--primary-light-blue) 0%, rgba(37, 138, 197, 0.01) 100%);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            font-style: italic;
            font-size: 1.05rem;
            position: relative;
            overflow: hidden;
        }
        
        .article-content blockquote::before {
            content: '"';
            position: absolute;
            top: -20px;
            left: 10px;
            font-size: 5rem;
            color: var(--primary-light-blue);
            font-family: Georgia, serif;
            line-height: 1;
        }
        
        .article-content ul, 
        .article-content ol {
            padding-left: 30px; /* 增加列表缩进 */
            margin-bottom: 1.5em;
        }
        
        .article-content li {
            margin-bottom: 0.8em;
            font-size: 1.05rem;
            position: relative;
        }
        
        .article-content ul li::before {
            content: '•';
            color: var(--primary-blue);
            font-weight: bold;
            display: inline-block;
            width: 1em;
            margin-left: -1em;
        }
        
        /* 文章标签 */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin: 35px 0;
            padding-top: 30px;
            border-top: 1px solid var(--light-gray);
        }
        
        .tag {
            display: inline-block;
            padding: 10px 20px; /* 增加标签内边距 */
            background: linear-gradient(90deg, var(--primary-light-blue), rgba(37, 138, 197, 0.1));
            color: var(--primary-blue);
            border-radius: 50px;
            font-size: 0.95rem; /* 增加标签字体大小 */
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid rgba(37, 138, 197, 0.2);
        }
        
        .tag:hover {
            background: linear-gradient(90deg, var(--primary-blue), var(--primary-dark-blue));
            color: white;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(37, 138, 197, 0.2);
            border-color: transparent;
        }
        
        /* 文章导航 */
        .article-navigation {
            display: flex;
            justify-content: space-between;
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid var(--light-gray);
        }
        
        .nav-item {
            display: flex;
            align-items: center;
            padding: 20px;
            border-radius: var(--border-radius);
            background-color: white;
            box-shadow: var(--box-shadow);
            text-decoration: none;
            color: var(--dark-color);
            transition: var(--transition);
            width: 48%;
            border: 1px solid transparent;
        }
        
        .nav-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
            color: var(--primary-blue);
            border-color: rgba(37, 138, 197, 0.2);
        }
        
        .nav-prev {
            text-align: left;
        }
        
        .nav-next {
            text-align: right;
        }
        
        .nav-icon {
            font-size: 1.3rem; /* 增加导航图标大小 */
            color: var(--primary-blue);
            margin: 0 18px; /* 增加图标间距 */
        }
        
        .nav-text {
            flex-grow: 1;
        }
        
        .nav-label {
            font-size: 0.95rem; /* 增加导航标签大小 */
            color: var(--gray-color);
            margin-bottom: 8px;
        }
        
        .nav-title {
            font-weight: 600;
            line-height: 1.4;
            font-size: 1.05rem; /* 增加导航标题大小 */
        }
        
        /* 相关文章 */
        .related-articles-section {
            margin: 80px auto;
            max-width: 1200px;
        }
        
        .related-articles-section h2 {
            font-size: 1.9rem; /* 增加相关文章标题大小 */
            font-weight: 700;
            color: var(--dark-color);
            margin-bottom: 40px;
            text-align: center;
            position: relative;
            padding-bottom: 15px;
        }
        
        .related-articles-section h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-blue), var(--primary-dark-blue));
            border-radius: 2px;
        }
        
        .related-article-card {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 25px;
            margin-bottom: 30px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            border-left: 5px solid var(--primary-blue);
        }
        
        .related-article-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
        }
        
        .related-article-title {
            font-size: 1.25rem; /* 增加相关文章标题大小 */
            font-weight: 600;
            margin-bottom: 15px;
            line-height: 1.4;
        }
        
        .related-article-title a {
            color: var(--dark-color);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .related-article-title a:hover {
            color: var(--primary-blue);
        }
        
        .related-article-excerpt {
            color: var(--gray-color);
            margin-bottom: 20px;
            font-size: 1rem; /* 增加摘要字体大小 */
            line-height: 1.6;
        }
        
        /* 侧边栏样式 */
        .sidebar-card {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 25px;
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
            border-top: 5px solid var(--primary-blue);
        }
        
        .sidebar-card h3 {
            font-size: 1.35rem; /* 增加侧边栏标题大小 */
            margin-bottom: 20px;
            color: var(--dark-color);
            display: flex;
            align-items: center;
        }
        
        .sidebar-card h3 i {
            margin-right: 10px;
            color: var(--primary-blue);
        }
        
        .popular-question {
            display: flex;
            align-items: center;
            padding: 16px 0;
            border-bottom: 1px solid var(--light-gray);
            transition: var(--transition);
        }
        
        .popular-question:last-child {
            border-bottom: none;
        }
        
        .popular-question:hover {
            transform: translateX(5px);
        }
        
        .popular-question-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary-light-blue), rgba(37, 138, 197, 0.1));
            color: var(--primary-blue);
            font-weight: 700;
            border-radius: 8px;
            margin-right: 15px;
            flex-shrink: 0;
            font-size: 1rem;
        }
        
        .popular-question-content {
            flex-grow: 1;
        }
        
        .popular-question-content a {
            font-weight: 600;
            color: var(--dark-color);
            text-decoration: none;
            transition: var(--transition);
            display: block;
            margin-bottom: 5px;
            line-height: 1.5;
            font-size: 1.05rem;
        }
        
        .popular-question-content a:hover {
            color: var(--primary-blue);
        }
        
        .popular-question-views {
            font-size: 0.95rem;
            color: var(--gray-color);
            display: flex;
            align-items: center;
        }
        
        .popular-question-views i {
            margin-right: 5px;
            color: var(--secondary-color);
        }
        
        /* 推荐展会卡片 */
        .expo-card {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            margin-bottom: 20px;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .expo-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
        }
        
        .expo-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        
        .expo-card-body {
            padding: 20px;
        }
        
        .expo-card-title {
            font-weight: 600;
            font-size: 1.15rem;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        
        .expo-card-title a {
            color: var(--dark-color);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .expo-card-title a:hover {
            color: var(--primary-blue);
        }
        
        .expo-card-date {
            font-size: 0.95rem;
            color: var(--gray-color);
            display: flex;
            align-items: center;
        }
        
        .expo-card-date i {
            margin-right: 8px;
            color: var(--primary-blue);
        }
        
        /* 联系我们卡片 */
        .contact-card {
            background: linear-gradient(135deg, var(--primary-light-blue), rgba(37, 138, 197, 0.05));
            border-radius: var(--border-radius);
            padding: 25px;
            text-align: center;
            border: 1px solid rgba(37, 138, 197, 0.1);
        }
        
        .contact-card h3 {
            font-size: 1.35rem;
            margin-bottom: 15px;
            color: var(--primary-blue);
        }
        
        .contact-card p {
            color: var(--gray-color);
            margin-bottom: 20px;
            font-size: 1rem;
        }
        
        .contact-btn {
            display: inline-block;
            padding: 12px 30px;
            background: linear-gradient(90deg, var(--primary-blue), var(--primary-dark-blue));
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        
        .contact-btn:hover {
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(37, 138, 197, 0.3);
        }
        
        /* 分享按钮 */
        .share-buttons {
            display: flex;
            gap: 15px;
            margin-top: 30px;
            padding-top: 30px;
            border-top: 1px solid var(--light-gray);
            flex-wrap: wrap;
        }
        
        .share-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            color: white;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        
        .share-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        
        .share-wechat {
            background: linear-gradient(135deg, #09bb07, #07a806);
        }
        
        .share-weibo {
            background: linear-gradient(135deg, #e6162d, #c51426);
        }
        
        .share-qq {
            background: linear-gradient(135deg, #12b7f5, #0f9bd4);
        }
        
        .share-link {
            background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark-blue));
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            html {
                font-size: 15.5px;
            }
        }
        
        @media (max-width: 992px) {
            html {
                font-size: 15px;
            }
            
            .article-title {
                font-size: 1.9rem;
            }
            
            .article-body {
                padding: 30px;
            }
            
            .article-content h2 {
                font-size: 1.5rem;
            }
            
            .article-content h3 {
                font-size: 1.4rem;
            }
            
            .article-content h4 {
                font-size: 1.2rem;
            }
        }
        
        @media (max-width: 768px) {
            html {
                font-size: 14.5px;
            }
            
            .article-header-section {
                padding: 90px 0 30px;
            }
            
            .article-title {
                font-size: 1.7rem;
            }
            
            .article-body {
                padding: 25px;
            }
            
            .article-content {
                font-size: 1.05rem;
            }
            
            .article-meta {
                flex-direction: column;
                gap: 15px;
            }
            
            .article-navigation {
                flex-direction: column;
                gap: 20px;
            }
            
            .nav-item {
                width: 100%;
            }
            
            .related-articles-section h2 {
                font-size: 1.6rem;
            }
            
            .geometric-pattern {
                opacity: 0.05;
            }
        }
        
        @media (max-width: 576px) {
            .article-title {
                font-size: 1.5rem;
            }
            
            .article-body {
                padding: 20px;
            }
            
            .article-content {
                font-size: 1rem;
            }
            
            .article-content h2 {
                font-size: 1.3rem;
            }
            
            .article-content h3 {
                font-size: 1.2rem;
            }
            
            .article-content h4 {
                font-size: 1.1rem;
            }
            
            .related-articles-section h2 {
                font-size: 1.4rem;
            }
        }
        
        /* 微信端优化 */
        @media (max-width: 767px) {
            /* 移动端字体调整 */
            body {
                font-size: 16px;
                line-height: 1.7;
            }
            
            .article-content {
                font-size: 16px;
                line-height: 1.8;
            }
            
            /* 防止微信调整字体大小 */
            .weixin-font-fix {
                -webkit-text-size-adjust: 100% !important;
                text-size-adjust: 100% !important;
                max-width: 100%;
                overflow-x: hidden;
            }
            
            /* 移动端触摸目标优化 */
            .tag,
            .nav-item,
            .share-btn,
            .contact-btn {
                min-height: 44px; /* 苹果推荐的最小触摸目标尺寸 */
            }
            
            .article-content table {
                display: block;
                overflow-x: auto;
            }
            
            /* 简化移动端背景效果 */
            .article-header-section::before,
            .article-header-section::after,
            .geometric-pattern {
                display: none;
            }
        }
        
        /* 动画效果 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
        }
        
        /* 修复原有CSS可能导致的冲突 */
        .container, .container-fluid, .container-lg, .container-md, .container-sm, .container-xl, .container-xxl {
            padding-left: 15px;
            padding-right: 15px;
        }
        
        /* 确保Bootstrap栅格系统正常工作 */
        .row {
            margin-left: -15px;
            margin-right: -15px;
        }