/* 知识库头部 */
        .knowledge-header {
            padding: 180px 0 100px;
            background: linear-gradient(135deg, rgba(26, 95, 180, 0.05), rgba(255, 126, 95, 0.05));
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .knowledge-header:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/template/jia/images/1.jpg') center/cover no-repeat;
            opacity: 0.1;
            z-index: -1;
        }
        
        .knowledge-header h1 {
            font-size: 3.5rem;
            margin-bottom: 25px;
            color: var(--primary-dark);
        }
        
        .knowledge-header p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 40px;
            color: var(--gray);
        }
        
        /* 广告横幅 */
        .ad-banner {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 30px 0;
            text-align: center;
            margin: 0 0 80px;
            position: relative;
            overflow: hidden;
        }
        
        .ad-banner:before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: repeating-linear-gradient(
                45deg,
                transparent,
                transparent 10px,
                rgba(255,255,255,0.05) 10px,
                rgba(255,255,255,0.05) 20px
            );
            animation: shine 10s linear infinite;
            z-index: 1;
        }
        
        .ad-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        
        .ad-content i {
            font-size: 2.5rem;
            margin-right: 15px;
        }
        
        .ad-text {
            font-size: 1.4rem;
            font-weight: 600;
        }
        
        .ad-highlight {
            color: #ffeb3b;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        
        /* 知识库分类 */
        .knowledge-categories {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 60px;
        }
        
        .category-btn {
            padding: 12px 25px;
            background: white;
            border: 2px solid var(--light-gray);
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .category-btn.active, .category-btn:hover {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border-color: transparent;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(42, 107, 179, 0.2);
        }
        
        /* 知识库网格 */
        .knowledge-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 40px;
        }
        
        .knowledge-card {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.8s forwards;
        }
        
        .knowledge-card:nth-child(1) { animation-delay: 0.1s; }
        .knowledge-card:nth-child(2) { animation-delay: 0.2s; }
        .knowledge-card:nth-child(3) { animation-delay: 0.3s; }
        .knowledge-card:nth-child(4) { animation-delay: 0.4s; }
        .knowledge-card:nth-child(5) { animation-delay: 0.5s; }
        .knowledge-card:nth-child(6) { animation-delay: 0.6s; }
        .knowledge-card:nth-child(7) { animation-delay: 0.7s; }
        .knowledge-card:nth-child(8) { animation-delay: 0.8s; }
        .knowledge-card:nth-child(9) { animation-delay: 0.9s; }
        
        .knowledge-card:hover {
            transform: translateY(-15px);
            box-shadow: var(--shadow-hover);
        }
        
        .knowledge-image {
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        
        .knowledge-image:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, rgba(26, 95, 180, 0.3), rgba(255, 126, 95, 0.3));
            z-index: 1;
            opacity: 0;
            transition: var(--transition);
        }
        
        .knowledge-card:hover .knowledge-image:before {
            opacity: 1;
        }
        
        .knowledge-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .knowledge-card:hover .knowledge-image img {
            transform: scale(1.1);
        }
        
        .knowledge-content {
            padding: 25px;
        }
        
        .knowledge-meta {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            font-size: 0.9rem;
            color: var(--gray);
        }
        
        .knowledge-meta i {
            margin-right: 5px;
        }
        
        .knowledge-meta span {
            margin-right: 15px;
        }
        
        .knowledge-content h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            line-height: 1.4;
        }
        
        .knowledge-content p {
            margin-bottom: 20px;
            font-size: 1rem;
            color: var(--gray);
        }
        
        .knowledge-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }
        
        .knowledge-tag {
            background: var(--light);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--primary);
        }
        
        /* 分页 */
      /* 基础分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            list-style: none;
            padding: 15px 0;
            flex-wrap: wrap;
        }
        
        .page-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            text-decoration: none;
            color: #34495e;
            font-weight: 500;
            font-size: 1rem;
            transition: all 0.3s ease;
            background: #f8f9fa;
            border: 1px solid #e9ecef;
        }
        
        .page-num:hover {
            background: #e9ecef;
            border-color: #dee2e6;
            transform: translateY(-2px);
        }
        
        .page-num-current {
            background: #3498db;
            color: white;
            border-color: #3498db;
            box-shadow: 0 4px 8px rgba(52, 152, 219, 0.3);
        }
        
        .page-num-current:hover {
            background: #2980b9;
            border-color: #2980b9;
        }
        
        /* 服务流程 */
        .process-container {
            position: relative;
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .process-line {
            position: absolute;
            top: 60px;
            left: 50%;
            transform: translateX(-50%);
            width: 85%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            z-index: 1;
            border-radius: 2px;
        }
        
        .process-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            z-index: 2;
        }
        
        .process-step {
            text-align: center;
            width: 180px;
            opacity: 0;
            transform: translateY(40px);
            animation: fadeInUp 1s forwards;
        }
        
        .process-step:nth-child(1) { animation-delay: 0.2s; }
        .process-step:nth-child(2) { animation-delay: 0.4s; }
        .process-step:nth-child(3) { animation-delay: 0.6s; }
        .process-step:nth-child(4) { animation-delay: 0.8s; }
        .process-step:nth-child(5) { animation-delay: 1s; }
        
        .step-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 2rem;
            box-shadow: 0 10px 20px rgba(42, 107, 179, 0.3);
            position: relative;
            animation: float 3s ease-in-out infinite;
        }
        
        .step-icon:nth-child(2) { animation-delay: 0.5s; }
        .step-icon:nth-child(3) { animation-delay: 1s; }
        .step-icon:nth-child(4) { animation-delay: 1.5s; }
        .step-icon:nth-child(5) { animation-delay: 2s; }
        
        .step-number {
            position: absolute;
            top: -5px;
            right: -5px;
            width: 30px;
            height: 30px;
            background: var(--accent);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }
        
        .process-step h4 {
            font-size: 1.3rem;
            margin-bottom: 10px;
        }
      
        
        /* 动画 */
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-15px);
            }
        }
        
        @keyframes shine {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            h2 {
                font-size: 2.5rem;
            }
            
            .knowledge-header h1 {
                font-size: 3rem;
            }
        }
        
        @media (max-width: 992px) {
            h2 {
                font-size: 2.2rem;
            }
            
            .process-steps {
                flex-wrap: wrap;
                justify-content: center;
                gap: 40px;
            }
            
            .process-line {
                display: none;
            }
            
            .knowledge-grid {
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            }
        }
        
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
				   .pagination {
                gap: 5px;
            }
            
            .page-num {
                width: 38px;
                height: 38px;
                font-size: 0.9rem;
            }
            }
            
            nav ul {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                background: white;
                flex-direction: column;
                align-items: center;
                padding: 30px 0;
                box-shadow: 0 10px 30px rgba(0,0,0,0.1);
                transition: var(--transition);
                z-index: 999;
            }
            
            nav ul.active {
                left: 0;
            }
            
            nav li {
                margin: 15px 0;
            }
            
            .header-phone {
                display: none;
            }
            
            .knowledge-header {
                padding: 150px 0 80px;
            }
            
            .knowledge-header h1 {
                font-size: 2.5rem;
            }
            
            .ad-content {
                flex-direction: column;
                text-align: center;
            }
            
            .ad-text {
                font-size: 1.2rem;
            }
            
            section {
                padding: 80px 0;
            }
        }
        
        @media (max-width: 576px) {
            h2 {
                font-size: 2rem;
            }
            
            .section-subtitle {
                font-size: 1.1rem;
            }
            
            .knowledge-grid {
                grid-template-columns: 1fr;
            }
            
            .knowledge-header h1 {
                font-size: 2.2rem;
            }
            
            .btn {
                padding: 12px 30px;
                font-size: 1rem;
            }
            
            .knowledge-categories {
                flex-direction: column;
                align-items: center;
            }
            
            .category-btn {
                width: 80%;
                text-align: center;
            }
			  .page-num {
                width: 36px;
                height: 36px;
                font-size: 0.85rem;
            }
            
            .container {
                padding: 20px 15px;
            }
        }