/* ===== 独享CSS部分 ===== */
        /* 知识库页面样式 */
        
        .page-hero {
            height: 50vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            margin-top: 80px;
        }
        
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            clip-path: polygon(25% 0%, 100% 0%, 100% 100%, 0% 100%);
            z-index: 1;
        }
        
        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        
        .page-hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--primary);
        }
        
        .page-hero p {
            font-size: 1.3rem;
            margin-bottom: 40px;
            color: var(--gray);
        }
        
        .page-hero-shape {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 100px;
            background: white;
            clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 100%);
            z-index: 3;
        }
        
        .section {
            padding: 100px 0;
            position: relative;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 70px;
            position: relative;
        }
        
        .section-title h2 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::before {
            content: '';
            position: absolute;
            width: 80px;
            height: 5px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 5px;
        }
        
        .section-title p {
            font-size: 1.2rem;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
        }
        
        .knowledge-base {
            background: white;
        }
        
        .knowledge-filters {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 50px;
        }
        
        .filter-btn {
            padding: 10px 25px;
            background: white;
            border: 2px solid var(--primary);
            color: var(--primary);
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .filter-btn:hover, .filter-btn.active {
            background: var(--primary);
            color: white;
            transform: translateY(-3px);
        }
        
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
            margin-bottom: 60px;
        }
        
        .article-card {
            background: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            opacity: 0;
            transform: translateY(30px);
            animation: cardFloat 8s infinite ease-in-out;
        }
        
        .article-card.animate {
            opacity: 1;
            transform: translateY(0);
        }
        
        @keyframes cardFloat {
            0% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
            100% {
                transform: translateY(0);
            }
        }
        
        .article-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
            animation-play-state: paused;
        }
        
        .article-image {
            height: 220px;
            overflow: hidden;
            position: relative;
        }
        
        .article-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .article-card:hover .article-image img {
            transform: scale(1.1);
        }
        
        .article-tag {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--secondary);
            color: white;
            padding: 5px 15px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            animation: tagPulse 3s infinite;
        }
        
        @keyframes tagPulse {
            0% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.1);
            }
            100% {
                transform: scale(1);
            }
        }
        
        .article-content {
            padding: 25px;
        }
        
        .article-content h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }
        
        .article-content h3 a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
            /* 移除下划线 */
            text-decoration: none !important;
            border-bottom: none !important;
        }
        
        .article-content h3 a:hover {
            color: var(--secondary);
        }
        
        .article-meta {
            font-size: 0.9rem;
            color: var(--gray);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .article-meta i {
            margin-right: 5px;
            color: var(--secondary);
        }
        
        .article-content p {
            color: var(--gray);
            margin-bottom: 20px;
        }
        
        .article-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 15px;
            border-top: 1px solid rgba(0, 0, 0, 0.1);
        }
        
        .read-more {
            color: var(--primary);
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
        }
        
        .read-more i {
            margin-left: 5px;
            transition: var(--transition);
        }
        
        .read-more:hover {
            color: var(--secondary);
        }
        
        .read-more:hover i {
            transform: translateX(5px);
        }
        
        .article-stats {
            display: flex;
            align-items: center;
            color: var(--gray);
            font-size: 0.9rem;
        }
        
        .article-stats span {
            margin-left: 15px;
            display: flex;
            align-items: center;
        }
        
        .article-stats i {
            margin-right: 5px;
        }
        
        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 60px;
            gap: 10px;
        }
        
        .page-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: white;
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }
        
        .page-num:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-3px);
        }
        
        .page-num-current {
            background: var(--primary);
            color: white;
        }
        
        .page-num i {
            font-size: 0.9rem;
        }
        
        /* 知识库侧边栏 */
        .knowledge-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            align-items: start;
        }
        
        .sidebar {
            background: var(--light);
            border-radius: var(--radius);
            padding: 30px;
            box-shadow: var(--shadow);
            position: sticky;
            top: 100px;
        }
        
        .sidebar-widget {
            margin-bottom: 40px;
        }
        
        .sidebar-widget:last-child {
            margin-bottom: 0;
        }
        
        .sidebar-widget h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--primary);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary);
        }
        
        .popular-articles {
            list-style: none;
        }
        
        .popular-articles li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        }
        
        .popular-articles li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .popular-articles a {
            color: var(--dark);
            text-decoration: none;
            transition: var(--transition);
            display: block;
            /* 移除下划线 */
            text-decoration: none !important;
            border-bottom: none !important;
        }
        
        .popular-articles a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        
        .article-date {
            font-size: 0.8rem;
            color: var(--gray);
            margin-top: 5px;
        }
        
        .categories {
            list-style: none;
        }
        
        .categories li {
            margin-bottom: 10px;
        }
        
        .categories a {
            color: var(--dark);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            justify-content: space-between;
            align-items: center;
            /* 移除下划线 */
            text-decoration: none !important;
            border-bottom: none !important;
        }
        
        .categories a:hover {
            color: var(--secondary);
        }
        
        .category-count {
            background: var(--primary);
            color: white;
            padding: 2px 8px;
            border-radius: 10px;
            font-size: 0.8rem;
        }
        
        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        
        .tag {
            background: white;
            color: var(--primary);
            padding: 5px 15px;
            border-radius: 50px;
            font-size: 0.9rem;
            text-decoration: none;
            transition: var(--transition);
            /* 移除下划线 */
            text-decoration: none !important;
            border-bottom: none !important;
        }
        
        .tag:hover {
            background: var(--primary);
            color: white;
        }
        
        /* ===== 响应式设计 - 独享部分 ===== */
        @media (max-width: 1200px) {
            .page-hero h1 {
                font-size: 3rem;
            }
            
            .section-title h2 {
                font-size: 2.5rem;
            }
            
            .knowledge-layout {
                grid-template-columns: 1fr;
            }
            
            .sidebar {
                position: static;
            }
        }
        
        @media (max-width: 992px) {
            .page-hero::before {
                width: 100%;
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 80%);
                opacity: 0.8;
            }
            
            .page-hero-content {
                max-width: 100%;
                text-align: center;
            }
        }
        
        @media (max-width: 768px) {
            .page-hero h1 {
                font-size: 2.5rem;
            }
            
            .section-title h2 {
                font-size: 2.2rem;
            }
            
            .articles-grid {
                grid-template-columns: 1fr;
            }
            
            .article-footer {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            
            .pagination {
                flex-wrap: wrap;
            }
        }
        
        @media (max-width: 576px) {
            .page-hero h1 {
                font-size: 2rem;
            }
            
            .section {
                padding: 70px 0;
            }
            
            .knowledge-filters {
                flex-direction: column;
                align-items: center;
            }
            
            .filter-btn {
                width: 100%;
                max-width: 200px;
                text-align: center;
            }
        }