/* 全局样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
        }
        
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        
        /* 头部样式 */
        header {
            background: linear-gradient(135deg, #1a3a6c, #2c5aa0);
            color: white;
            padding: 15px 0 10px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 0 20px;
        }
        
        .logo-container {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            width: 100%;
        }
        
        .logo {
            height: 60px;
            /* background: rgba(255, 255, 255, 0.2); */
            border-radius: 5px;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 240px;
        }
        
        .logo-placeholder {
            color: white;
            font-size: 1.2rem;
            font-weight: bold;
            text-align: center;
        }
        
        .site-title {
            flex: 1;
            text-align: center;
            font-size: 2rem;
            font-weight: bold;
            margin-left: 20px;
        }
        
        .banner-slogan {
            font-size: 1.3rem;
            text-align: center;
            background: rgba(255, 255, 255, 0.15);
            padding: 8px 25px;
            border-radius: 30px;
            margin-bottom: 10px;
            letter-spacing: 1px;
        }
        
        /* 导航样式 */
        nav {
            background-color: #fff;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }
        
        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: center;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
        }
        
        .nav-menu li {
            position: relative;
        }
        
        .nav-menu a {
            display: block;
            padding: 15px 25px;
            text-decoration: none;
            color: #1a3a6c;
            font-weight: bold;
            transition: all 0.3s ease;
        }
        
        .nav-menu a:hover {
            background-color: #1a3a6c;
            color: white;
        }
        
        .nav-menu a.active {
            background-color: #1a3a6c;
            color: white;
        }
        
        /* 主要内容区域 */
        .main-container {
            max-width: 1200px;
            margin: 30px auto;
            padding: 0 20px;
            flex: 1;
        }
        
        .page-title {
            font-size: 1.8rem;
            color: #1a3a6c;
            padding-bottom: 15px;
            border-bottom: 2px solid #1a3a6c;
            margin-bottom: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .page-title span {
            font-size: 0.9rem;
            color: #666;
            font-weight: normal;
        }
        
        .breadcrumb {
            background: #e9ecef;
            padding: 10px 15px;
            border-radius: 5px;
            margin-bottom: 25px;
            font-size: 0.9rem;
        }
        
        .breadcrumb a {
            color: #1a3a6c;
            text-decoration: none;
        }
        
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        
        .breadcrumb span {
            margin: 0 8px;
            color: #6c757d;
        }
        
        /* 文章内容区域 */
        .article-container {
            background: white;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            overflow: hidden;
            margin-bottom: 40px;
            padding: 30px;
        }
        
        .article-header {
            text-align: center;
            margin-bottom: 30px;
            padding-bottom: 25px;
            border-bottom: 1px solid #eee;
        }
        
        .article-title {
            font-size: 1.8rem;
            color: #1a3a6c;
            margin-bottom: 15px;
            line-height: 1.4;
        }
        
        .article-meta {
            color: #6c757d;
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        
        .article-meta span {
            margin: 0 15px;
            display: flex;
            align-items: center;
        }
        
        .article-meta i {
            margin-right: 6px;
            color: #2c5aa0;
        }
        
        .article-tags {
            display: flex;
            justify-content: center;
            margin-top: 15px;
        }
        
        .tag {
            background: #e6f0ff;
            color: #2c5aa0;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            margin: 0 5px;
        }
        
        .article-content {
            font-size: 1.05rem;
            line-height: 1.8;
            color: #444;
        }
        
        .article-content p {
            margin-bottom: 20px;
            text-align: justify;
        }
        
        .article-content h3 {
            color: #1a3a6c;
            margin: 30px 0 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
            font-size: 1.4rem;
        }
        
        .article-content h4 {
            color: #2c5aa0;
            margin: 25px 0 12px;
            font-size: 1.2rem;
        }
        
        .article-content ul, .article-content ol {
            margin: 20px 0 20px 30px;
        }
        
        .article-content li {
            margin-bottom: 10px;
        }
        
        .article-content blockquote {
            border-left: 4px solid #2c5aa0;
            background: #f8f9ff;
            padding: 15px 20px;
            margin: 20px 0;
            font-style: italic;
            color: #555;
        }
        
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            box-shadow: 0 0 10px rgba(0,0,0,0.05);
        }
        
        .article-content th {
            background: #1a3a6c;
            color: white;
            padding: 12px 15px;
            text-align: left;
        }
        
        .article-content td {
            padding: 10px 15px;
            border-bottom: 1px solid #eee;
        }
        
        .article-content tr:nth-child(even) {
            background: #f9f9f9;
        }
        
        .article-footer {
            margin-top: 40px;
            padding-top: 25px;
            border-top: 1px solid #eee;
            display: flex;
            justify-content: space-between;
        }
        
        .prev-next {
            display: flex;
            flex-direction: column;
        }
        
        .prev-next a {
            color: #1a3a6c;
            text-decoration: none;
            display: flex;
            align-items: center;
            margin: 5px 0;
        }
        
        .prev-next a:hover {
            text-decoration: underline;
        }
        
        .prev-next i {
            margin: 0 8px;
        }
        
        .share-buttons {
            display: flex;
            align-items: center;
        }
        
        .share-btn {
            display: flex;
            align-items: center;
            background: #f0f4f9;
            color: #1a3a6c;
            padding: 8px 15px;
            border-radius: 4px;
            text-decoration: none;
            margin-left: 10px;
            transition: all 0.3s;
        }
        
        .share-btn:hover {
            background: #1a3a6c;
            color: white;
        }
        
        .share-btn i {
            margin-right: 6px;
        }
        
        /* 侧边栏样式 */
        .sidebar {
            background: white;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            overflow: hidden;
            margin-bottom: 30px;
        }
        
        .sidebar-header {
            background: #2c5aa0;
            color: white;
            padding: 15px 20px;
            font-size: 1.2rem;
            font-weight: bold;
            display: flex;
            align-items: center;
        }
        
        .sidebar-header i {
            margin-right: 10px;
        }
        
        .sidebar-content {
            padding: 20px;
        }
        
        .sidebar-list {
            list-style: none;
        }
        
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px dashed #eee;
        }
        
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        
        .sidebar-list a {
            text-decoration: none;
            color: #333;
            display: flex;
            justify-content: space-between;
            transition: all 0.3s;
        }
        
        .sidebar-list a:hover {
            color: #1a3a6c;
            padding-left: 5px;
        }
        
        .sidebar-list .date {
            color: #888;
            font-size: 0.85rem;
            white-space: nowrap;
            margin-left: 15px;
        }
        
        /* 布局 */
        .layout-container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
        }
        
        /* 相关文章 */
        .related-articles {
            background: white;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            overflow: hidden;
            margin-top: 40px;
        }
        
        .related-header {
            background: #1a3a6c;
            color: white;
            padding: 15px 25px;
            font-size: 1.3rem;
            font-weight: bold;
            display: flex;
            align-items: center;
        }
        
        .related-header i {
            margin-right: 12px;
            font-size: 1.2rem;
        }
        
        .related-content {
            padding: 20px 25px;
        }
        
        .related-list {
            list-style: none;
        }
        
        .related-list li {
            padding: 12px 0;
            border-bottom: 1px dashed #eee;
        }
        
        .related-list li:last-child {
            border-bottom: none;
        }
        
        .related-list a {
            color: #1a3a6c;
            text-decoration: none;
            display: flex;
            transition: all 0.3s;
        }
        
        .related-list a:hover {
            color: #ff6b00;
        }
        
        .related-list i {
            margin-right: 10px;
            color: #2c5aa0;
            margin-top: 5px;
        }
        
         /* 底部样式 - 全屏宽度 */
        footer {
            background: #1a3a6c;
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
            width: 100%;
        }
        
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            padding: 0 20px;
        }
        
        .footer-column h3 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
        }
        
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        
        .footer-links i {
            margin-right: 8px;
            width: 20px;
            text-align: center;
        }
        
        .contact-info {
            list-style: none;
        }
        
        .contact-info li {
            margin-bottom: 15px;
            display: flex;
            align-items: flex-start;
        }
        
        .contact-info i {
            margin-right: 10px;
            color: #ff6b00;
            min-width: 20px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        
        /* 响应式设计 */
        @media (max-width: 900px) {
            .layout-container {
                grid-template-columns: 1fr;
            }
            
            .sidebar {
                max-width: 500px;
                margin: 0 auto 30px;
            }
        }
        
        @media (max-width: 768px) {
            .logo-container {
                flex-direction: column;
            }
            
            .logo {
                margin-bottom: 10px;
            }
            
            .site-title {
                margin-left: 0;
                font-size: 1.8rem;
            }
            
            .nav-menu {
                flex-wrap: wrap;
                justify-content: center;
            }
            
            .nav-menu a {
                padding: 12px 15px;
                font-size: 0.9rem;
            }
            
            .breadcrumb {
                flex-wrap: wrap;
                line-height: 1.8;
            }
            
            .page-title {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .page-title span {
                margin-top: 10px;
            }
            
            .article-title {
                font-size: 1.5rem;
            }
            
            .article-meta {
                flex-direction: column;
                align-items: center;
            }
            
            .article-meta span {
                margin: 5px 0;
            }
            
            .article-footer {
                flex-direction: column;
            }
            
            .prev-next {
                margin-bottom: 20px;
            }
            
            .share-buttons {
                justify-content: center;
            }
            
            .contact-info li {
                flex-direction: column;
                text-align: center;
            }
            
            .contact-info i {
                margin-right: 0;
                margin-bottom: 5px;
            }
        }
        
        @media (max-width: 480px) {
            .banner-slogan {
                font-size: 1.1rem;
                padding: 6px 15px;
            }
            
            .page-title {
                font-size: 1.5rem;
            }
            
            .article-title {
                font-size: 1.3rem;
            }
            
            .article-content {
                font-size: 1rem;
            }
            
            .share-btn {
                margin: 5px;
                padding: 6px 10px;
            }
        }