/* ===== 独享CSS部分 - 创业知识库页面 ===== */
        
        /* 页面标题区域 */
        .page-header {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: #fff;
            padding: 150px 0 80px;
            text-align: center;
            margin-top: 80px;
        }

        .page-header h1 {
            font-size: 3rem;
            margin-bottom: 20px;
        }

        .page-header p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .highlight {
            color: var(--secondary-color);
            font-weight: 700;
        }

        /* 知识库内容区 */
        .knowledge-section {
            background: var(--light-color);
        }

        .knowledge-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin-bottom: 50px;
        }

        .knowledge-card {
            background: #fff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        .knowledge-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .knowledge-img {
            height: 200px;
            overflow: hidden;
        }

        .knowledge-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .knowledge-card:hover .knowledge-img img {
            transform: scale(1.1);
        }

        .knowledge-content {
            padding: 25px;
        }

        .knowledge-content h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--primary-color);
            line-height: 1.4;
        }

        .knowledge-content h3 a {
            color: inherit;
            text-decoration: none;
        }

        .knowledge-content h3 a:hover {
            color: var(--secondary-color);
        }

        .knowledge-meta {
            display: flex;
            justify-content: space-between;
            margin-bottom: 15px;
            font-size: 0.9rem;
            color: var(--gray-color);
        }

        .knowledge-content p {
            color: var(--gray-color);
            margin-bottom: 15px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .read-more {
            color: var(--secondary-color);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
        }

        .read-more i {
            margin-left: 5px;
            transition: var(--transition);
        }

        .read-more:hover i {
            transform: translateX(5px);
        }

        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 50px;
            gap: 10px;
        }

        .page-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 4px;
            background: #fff;
            color: var(--primary-color);
            font-weight: 600;
            transition: var(--transition);
            border: 1px solid #e0e0e0;
        }

        .page-num:hover, .page-num-current {
            background: var(--primary-color);
            color: #fff;
            border-color: var(--primary-color);
        }

        /* 分类筛选区 */
        .category-filter {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 40px;
            gap: 10px;
        }

        .category-btn {
            padding: 10px 20px;
            background: #fff;
            border: 2px solid var(--primary-color);
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .category-btn.active, .category-btn:hover {
            background: var(--primary-color);
            color: #fff;
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .knowledge-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background: #fff;
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 50px;
                transition: var(--transition);
                box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-menu li {
                margin: 15px 0;
            }
            
            .hamburger {
                display: block;
            }
            
            .section {
                padding: 60px 0;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .page-header {
                padding: 130px 0 60px;
            }
            
            .page-header h1 {
                font-size: 2.2rem;
            }
            
            .knowledge-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 576px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
            
            .page-header h1 {
                font-size: 1.8rem;
            }
            
            .category-filter {
                flex-direction: column;
                align-items: center;
            }
            
            .category-btn {
                width: 100%;
                max-width: 250px;
            }
        }