/* ===== 文章页面独享样式 ===== */
        .section {
            padding: 100px 0;
            position: relative;
        }
        
        .article-section {
            padding: 150px 0 80px;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
        }
        
        .article-container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .article-header {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .article-title {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }
        
        .article-title::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;
        }
        
        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 30px;
            margin-top: 30px;
            color: var(--gray);
        }
        
        .article-meta-item {
            display: flex;
            align-items: center;
        }
        
        .article-meta-item i {
            color: var(--secondary);
            margin-right: 8px;
        }
        
        .article-content {
            background: white;
            border-radius: var(--radius);
            padding: 60px;
            box-shadow: var(--shadow);
            margin-bottom: 60px;
            opacity: 0;
            transform: translateY(30px);
            transition: var(--transition);
        }
        
        .article-content.animate {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* 文章内容样式 */
        .article-body h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light);
            position: relative;
        }
        
        .article-body h2::after {
            content: '';
            position: absolute;
            width: 60px;
            height: 3px;
            background: var(--secondary);
            bottom: -2px;
            left: 0;
            border-radius: 3px;
        }
        
        .article-body h3 {
            font-size: 1.6rem;
            color: var(--primary);
            margin: 30px 0 15px;
        }
        
        .article-body h4 {
            font-size: 1.3rem;
            color: var(--dark);
            margin: 25px 0 12px;
        }
        
        .article-body h5 {
            font-size: 1.1rem;
            color: var(--dark);
            margin: 20px 0 10px;
        }
        
        .article-body p {
            margin-bottom: 20px;
            color: var(--dark);
            line-height: 1.8;
        }
        
        .article-body img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 30px auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .article-body img:hover {
            transform: scale(1.02);
        }
        
        .article-body ul, .article-body ol {
            margin: 20px 0;
            padding-left: 30px;
        }
        
        .article-body li {
            margin-bottom: 10px;
        }
        
        .highlight-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: white;
            padding: 30px;
            border-radius: var(--radius);
            margin: 30px 0;
            position: relative;
            overflow: hidden;
        }
        
        .highlight-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,160L48,176C96,192,192,224,288,213.3C384,203,480,149,576,128C672,107,768,117,864,138.7C960,160,1056,192,1152,192C1248,192,1344,160,1392,144L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
            background-size: cover;
            background-position: center;
        }
        
        .highlight-content {
            position: relative;
            z-index: 2;
        }
        
        .highlight-box h3 {
            color: white;
            margin-top: 0;
        }
        
        /* 文章导航 */
        .article-navigation {
            display: flex;
            justify-content: space-between;
            margin-bottom: 60px;
            flex-wrap: wrap;
            gap: 20px;
        }
        
        .nav-btn {
            display: flex;
            align-items: center;
            padding: 15px 25px;
            background: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            text-decoration: none;
            color: var(--dark);
            transition: var(--transition);
            flex: 1;
            min-width: 250px;
        }
        
        .nav-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 25px rgba(0, 0, 0, 0.15);
            color: var(--primary);
        }
        
        .nav-btn.prev {
            text-align: left;
        }
        
        .nav-btn.next {
            text-align: right;
            flex-direction: row-reverse;
        }
        
        .nav-btn i {
            color: var(--secondary);
            font-size: 1.2rem;
            margin: 0 15px;
        }
        
        .nav-text {
            flex: 1;
        }
        
        .nav-title {
            font-weight: 600;
            margin-bottom: 5px;
        }
        
        .nav-label {
            font-size: 0.9rem;
            color: var(--gray);
        }
        
        /* 相关文章 */
        .related-articles {
            margin-bottom: 60px;
        }
        
        .related-title {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 40px;
            text-align: center;
            position: relative;
        }
        
        .related-title::after {
            content: '';
            position: absolute;
            width: 60px;
            height: 3px;
            background: var(--secondary);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 3px;
        }
        
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
        }
        
        .article-card {
            background: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            opacity: 0;
            transform: translateY(50px);
            animation: cardFloat 8s infinite ease-in-out;
        }
        
        .article-card.animate {
            opacity: 1;
            transform: translateY(0);
        }
        
        .article-card:hover {
            transform: translateY(-10px);
            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-card-content {
            padding: 25px;
        }
        
        .article-card-content h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }
        
        .article-card-content h3 a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .article-card-content h3 a:hover {
            color: var(--secondary);
        }
        
        .article-card-meta {
            font-size: 0.9rem;
            color: var(--gray);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .article-card-meta i {
            margin-right: 5px;
            color: var(--secondary);
        }
        
        .article-card-content p {
            color: var(--gray);
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .article-title {
                font-size: 2.5rem;
            }
            
            .article-content {
                padding: 40px;
            }
            
            .article-body h2 {
                font-size: 1.8rem;
            }
            
            .article-body h3 {
                font-size: 1.5rem;
            }
        }
        
        @media (max-width: 768px) {
            .article-section {
                padding: 130px 0 60px;
            }
            
            .article-title {
                font-size: 2.2rem;
            }
            
            .article-content {
                padding: 30px;
            }
            
            .article-meta {
                flex-direction: column;
                gap: 15px;
            }
            
            .article-navigation {
                flex-direction: column;
            }
            
            .nav-btn {
                min-width: 100%;
            }
            
            .articles-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 576px) {
            .article-title {
                font-size: 1.8rem;
            }
            
            .article-content {
                padding: 20px;
            }
            
            .article-body h2 {
                font-size: 1.6rem;
            }
            
            .article-body h3 {
                font-size: 1.3rem;
            }
            
            .related-title {
                font-size: 1.6rem;
            }
        }