/* 页面标题 */
        .page-header {
            margin-top: 100px;
            padding: 60px 0 40px;
            background: linear-gradient(135deg, rgba(26, 103, 170, 0.05), rgba(41, 165, 140, 0.05));
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .page-header:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/template/jia/images/4.jpg') center/cover no-repeat;
            opacity: 0.1;
            z-index: -1;
        }
        
        .page-header h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }
        
        .page-header h1:after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            border-radius: 2px;
        }
        
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 20px;
            color: var(--gray-color);
            font-size: 1rem;
        }
        
        .article-meta span {
            display: flex;
            align-items: center;
        }
        
        .article-meta i {
            margin-right: 8px;
            color: var(--secondary-color);
        }
        
        /* 广告横幅 */
        .ad-banner {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 25px;
            border-radius: 12px;
            margin: 50px 0;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            position: relative;
            overflow: hidden;
        }
        
        .ad-banner:before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: url('/template/jia/images/7.jpg') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }
        
        .ad-banner h2 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            position: relative;
            z-index: 1;
        }
        
        .ad-banner p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            position: relative;
            z-index: 1;
        }
        
        .ad-banner .btn {
            display: inline-block;
            padding: 12px 30px;
            background: var(--accent-color);
            color: white;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            position: relative;
            z-index: 1;
        }
        
        .ad-banner .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        }
        
        /* 文章内容 */
        .article-content {
            margin: 50px 0;
            line-height: 1.8;
            font-size: 1.1rem;
        }
        
        .article-content h2 {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #f0f7ff;
        }
        
        .article-content h3 {
            font-size: 1.4rem;
            color: var(--secondary-color);
            margin: 30px 0 15px;
        }
        
        .article-content p {
            margin-bottom: 20px;
            text-align: justify;
        }
        
        .article-content ul, .article-content ol {
            margin: 20px 0;
            padding-left: 30px;
        }
        
        .article-content li {
            margin-bottom: 12px;
            position: relative;
        }
        
        .article-content ul li:before {
            content: '•';
            color: var(--secondary-color);
            font-weight: bold;
            position: absolute;
            left: -20px;
        }
        
        .article-content ol {
            counter-reset: item;
        }
        
        .article-content ol li {
            counter-increment: item;
        }
        
        .article-content ol li:before {
            content: counter(item) ".";
            color: var(--secondary-color);
            font-weight: bold;
            position: absolute;
            left: -25px;
        }
        
        .highlight-box {
            background: linear-gradient(to right, rgba(26, 103, 170, 0.1), rgba(41, 165, 140, 0.1));
            border-left: 4px solid var(--primary-color);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        
        .article-image {
            margin: 30px 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .article-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray-color);
            margin-top: 10px;
            font-size: 0.9rem;
        }
        
        /* 相关文章 - 优化居中 */
        .related-articles {
            margin: 80px 0;
            text-align: center;
            width: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
            width: 100%;
        }
        
        .section-title h2 {
            font-size: 2.2rem;
            color: var(--primary-color);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2:after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            border-radius: 2px;
        }
        
        .section-title p {
            color: var(--gray-color);
            max-width: 700px;
            margin: 25px auto 0;
            font-size: 1.1rem;
        }
        
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            justify-content: center;
            margin: 0 auto;
            max-width: 1000px;
            width: 100%;
        }
        
        .article-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        
        .article-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }
        
        .article-card-image {
            height: 200px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            position: relative;
            overflow: hidden;
        }
        
        .article-card-image:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/template/jia/images/13.jpg') center/cover no-repeat;
            opacity: 0.7;
            mix-blend-mode: overlay;
        }
        
        .article-card-content {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            text-align: center;
        }
        
        .article-card-content h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--primary-color);
            line-height: 1.4;
        }
        
        .article-card-content p {
            color: var(--gray-color);
            margin-bottom: 20px;
            flex-grow: 1;
        }
        
        .read-more {
            color: var(--secondary-color);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            margin-top: auto;
        }
        
        .read-more i {
            margin-left: 8px;
            transition: var(--transition);
        }
        
        .read-more:hover {
            color: var(--primary-color);
        }
        
        .read-more:hover i {
            transform: translateX(8px);
        }
        
   
        /* 友情链接样式 */
        .friend-links {
            background-color: #f9f9f9;
            padding: 30px 0;
            text-align: center;
        }
        
        .friend-links h3 {
            font-size: 1.2rem;
            color: var(--gray-color);
            margin-bottom: 20px;
        }
        
        .friend-links .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
        }
        
        .friend-links a {
            color: var(--gray-color);
            transition: var(--transition);
            padding: 5px 10px;
            border-radius: 4px;
        }
        
        .friend-links a:hover {
            color: var(--primary-color);
            background-color: rgba(26, 103, 170, 0.1);
            transform: translateY(-3px);
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
                max-width: 700px;
            }
        }
        
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 80px;
                left: -100%;
                background-color: white;
                width: 100%;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
                transition: var(--transition);
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-menu li {
                margin: 15px 0;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .contact-info {
                display: none;
            }
            
            .page-header h1 {
                font-size: 2.2rem;
            }
            
            .ad-banner h2 {
                font-size: 1.5rem;
            }
            
            .article-content h2 {
                font-size: 1.6rem;
            }
            
            .articles-grid {
                grid-template-columns: 1fr;
                max-width: 500px;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
        }
        
        @media (max-width: 576px) {
            .page-header {
                margin-top: 80px;
                padding: 40px 0 30px;
            }
            
            .page-header h1 {
                font-size: 1.8rem;
            }
            
            .article-meta {
                flex-direction: column;
                gap: 10px;
            }
            
            .ad-banner {
                padding: 20px 15px;
            }
            
            .ad-banner h2 {
                font-size: 1.3rem;
            }
            
            .article-content ul, .article-content ol {
                padding-left: 20px;
            }
            
            .articles-grid {
                max-width: 100%;
                padding: 0 15px;
            }
            
            .article-card-content {
                padding: 20px;
            }
        }