/* ===== 独享CSS样式 ===== */
        
        /* 页面标题区域 */
        .page-header {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            padding: 150px 0 80px;
            margin-top: 70px;
            text-align: center;
            color: white;
            position: relative;
            overflow: hidden;
        }
        
        .page-header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            transform: rotate(0deg);
            animation: headerRotate 20s linear infinite;
        }
        
        @keyframes headerRotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        .page-title {
            font-size: 3.5rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
            background: linear-gradient(90deg, white, var(--secondary-color), white);
            background-size: 200% 100%;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: titleGradient 4s linear infinite;
        }
        
        @keyframes titleGradient {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }
        
        .page-subtitle {
            font-size: 1.3rem;
            max-width: 700px;
            margin: 0 auto;
            text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.5);
        }
        
        /* 知识库内容区域 */
        .knowledge-section {
            padding: 80px 0;
        }
        
        .knowledge-container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        
        /* 文章列表样式 */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        
        .article-card {
            background-color: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            opacity: 0;
            transform: translateY(30px);
        }
        
        .article-card.animate {
            animation: fadeInUp 0.8s ease forwards;
        }
        
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .article-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }
        
        .article-image {
            height: 250px;
            overflow: hidden;
            position: relative;
        }
        
        .article-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(10, 36, 99, 0.2), transparent);
            opacity: 0;
            transition: var(--transition);
            z-index: 1;
        }
        
        .article-card:hover .article-image::before {
            opacity: 1;
        }
        
        .article-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .article-card:hover .article-image img {
            transform: scale(1.05);
        }
        
        .article-content {
            padding: 25px;
        }
        
        .article-meta {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            color: #888;
            font-size: 0.9rem;
        }
        
        .article-meta i {
            margin-right: 5px;
            color: var(--secondary-color);
        }
        
        .article-date {
            margin-right: 20px;
        }
        
        .article-category {
            background: rgba(10, 36, 99, 0.1);
            padding: 3px 10px;
            border-radius: 15px;
            font-size: 0.8rem;
            color: var(--primary-color);
        }
        
        .article-title {
            margin-bottom: 15px;
        }
        
        .article-title h3 {
            font-size: 1.5rem;
        }
        
        .article-title a {
            color: var(--primary-color);
            text-decoration: none; /* 确保没有下划线 */
            transition: var(--transition);
            display: block;
            position: relative;
            overflow: hidden;
        }
        
        .article-title a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--secondary-color), transparent);
            transition: var(--transition);
        }
        
        .article-title a:hover::after {
            width: 100%;
        }
        
        .article-title a:hover {
            color: var(--secondary-color);
        }
        
        .article-excerpt {
            color: #666;
            margin-bottom: 20px;
            line-height: 1.7;
        }
        
        .read-more {
            display: inline-flex;
            align-items: center;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
        }
        
        .read-more i {
            margin-left: 5px;
            transition: var(--transition);
        }
        
        .read-more:hover {
            color: var(--secondary-color);
        }
        
        .read-more:hover i {
            transform: translateX(5px);
        }
        
        /* 侧边栏样式 */
        .sidebar {
            position: sticky;
            top: 100px;
        }
        
        .sidebar-widget {
            background-color: white;
            border-radius: 15px;
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        
        .widget-title {
            color: var(--primary-color);
            margin-bottom: 20px;
            font-size: 1.3rem;
            position: relative;
            padding-bottom: 10px;
        }
        
        .widget-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
        }
        
        .category-list {
            list-style: none;
        }
        
        .category-list li {
            margin-bottom: 10px;
        }
        
        .category-list a {
            color: #666;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        
        .category-list a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        
        .category-count {
            background: rgba(10, 36, 99, 0.1);
            color: var(--primary-color);
            padding: 2px 8px;
            border-radius: 10px;
            font-size: 0.8rem;
        }
        
        .popular-articles {
            list-style: none;
        }
        
        .popular-article {
            display: flex;
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid #f0f0f0;
        }
        
        .popular-article:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .popular-image {
            width: 70px;
            height: 70px;
            border-radius: 8px;
            overflow: hidden;
            margin-right: 15px;
            flex-shrink: 0;
        }
        
        .popular-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .popular-article:hover .popular-image img {
            transform: scale(1.1);
        }
        
        .popular-content {
            flex: 1;
        }
        
        .popular-content h4 {
            margin-bottom: 5px;
            font-size: 0.95rem;
        }
        
        .popular-content a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .popular-content a:hover {
            color: var(--secondary-color);
        }
        
        .popular-date {
            color: #888;
            font-size: 0.8rem;
        }
        
        .tags-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        
        .tag {
            background: rgba(10, 36, 99, 0.1);
            color: var(--primary-color);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .tag:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-2px);
        }
        
        /* 分页样式 */
        .pagination-container {
            margin-top: 50px;
            text-align: center;
        }
        
        .pagination {
            display: inline-flex;
            align-items: center;
            background-color: white;
            border-radius: 30px;
            padding: 10px 20px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }
        
        .page-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            margin: 0 5px;
            border-radius: 50%;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
        }
        
        .page-num:hover {
            background-color: rgba(10, 36, 99, 0.1);
            color: var(--primary-color);
        }
        
        .page-num-current {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
        }
        
        .page-num-current:hover {
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            color: white;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .knowledge-container {
                grid-template-columns: 1fr;
            }
            
            .sidebar {
                position: static;
                margin-top: 50px;
            }
        }
        
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            
            .hamburger.active .bar:nth-child(2) {
                opacity: 0;
            }
            
            .hamburger.active .bar:nth-child(1) {
                transform: translateY(8px) rotate(45deg);
            }
            
            .hamburger.active .bar:nth-child(3) {
                transform: translateY(-8px) rotate(-45deg);
            }
            
            .nav-menu {
                position: fixed;
                left: -100%;
                top: 70px;
                flex-direction: column;
                background: linear-gradient(135deg, rgba(10, 36, 99, 0.98), rgba(30, 58, 138, 0.98));
                width: 100%;
                text-align: center;
                transition: 0.3s;
                box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
                padding: 20px 0;
                backdrop-filter: blur(10px);
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-item {
                margin: 15px 0;
            }
            
            .page-title {
                font-size: 2.5rem;
            }
            
            .page-subtitle {
                font-size: 1.1rem;
            }
        }
        
        @media (max-width: 576px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
            
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .article-date {
                margin-bottom: 5px;
            }
            
            .pagination {
                padding: 8px 15px;
            }
            
            .page-num {
                width: 35px;
                height: 35px;
                font-size: 0.9rem;
            }
        }