/* 文章内容页独享CSS */
        main {
            margin-top: 80px;
            padding: 40px 0;
        }
        
        .article-container {
            background-color: white;
            border-radius: 15px;
            box-shadow: var(--shadow);
            overflow: hidden;
            margin-bottom: 40px;
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
            transform: translateY(30px);
        }
        
        .article-header {
            padding: 30px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
        }
        
        .article-title {
            font-size: 32px;
            margin-bottom: 15px;
            line-height: 1.3;
        }
        
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            opacity: 0.9;
        }
        
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .article-content {
            padding: 30px;
        }
        
        /* 文章内容样式 */
        .article-body {
            max-width: 100%;
        }
        
        .article-body h2 {
            font-size: 24px;
            color: var(--primary-color);
            margin: 30px 0 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-color);
            position: relative;
        }
        
        .article-body h2::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 80px;
            height: 2px;
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
        }
        
        .article-body h3 {
            font-size: 20px;
            color: var(--secondary-color);
            margin: 25px 0 12px;
        }
        
        .article-body h4 {
            font-size: 18px;
            color: var(--dark-color);
            margin: 20px 0 10px;
        }
        
        .article-body h5 {
            font-size: 16px;
            color: var(--dark-color);
            margin: 15px 0 8px;
            font-weight: 600;
        }
        
        .article-body p {
            margin-bottom: 15px;
            line-height: 1.8;
        }
        
        .article-body img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 20px auto;
            border-radius: 8px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .article-body img:hover {
            transform: scale(1.02);
        }
        
        .info-box {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            padding: 20px;
            border-radius: 10px;
            border-left: 5px solid var(--accent-color);
            margin: 25px 0;
        }
        
        .info-box h4 {
            color: var(--primary-color);
            margin-top: 0;
        }
        
        .step-list {
            margin: 20px 0;
            padding-left: 20px;
        }
        
        .step-list li {
            margin-bottom: 10px;
            position: relative;
            padding-left: 30px;
        }
        
        .step-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 16px;
            height: 16px;
            background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
            border-radius: 50%;
        }
        
        .warning-box {
            background: linear-gradient(135deg, #fff3cd, #ffeaa7);
            border-left: 5px solid #f39c12;
            padding: 20px;
            border-radius: 10px;
            margin: 25px 0;
        }
        
        .warning-box h4 {
            color: #d35400;
            margin-top: 0;
        }
        
        /* 上一篇下一篇 */
        .article-navigation {
            display: flex;
            justify-content: space-between;
            margin: 40px 0;
            padding: 20px 0;
            border-top: 1px solid #eee;
            border-bottom: 1px solid #eee;
        }
        
        .nav-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 15px;
            border-radius: 8px;
            transition: var(--transition);
            max-width: 45%;
        }
        
        .nav-item:hover {
            background-color: rgba(52, 152, 219, 0.1);
            transform: translateX(5px);
        }
        
        .nav-prev:hover {
            transform: translateX(-5px);
        }
        
        .nav-icon {
            font-size: 20px;
            color: var(--secondary-color);
        }
        
        .nav-text {
            flex: 1;
        }
        
        .nav-text span {
            display: block;
            font-size: 14px;
            color: #666;
        }
        
        .nav-text strong {
            color: var(--primary-color);
            display: block;
            margin-top: 5px;
            line-height: 1.4;
        }
        
        /* 相关文章 */
        .related-articles {
            margin: 50px 0 30px;
        }
        
        .section-title {
            font-size: 24px;
            color: var(--primary-color);
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-color);
            position: relative;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 80px;
            height: 2px;
            background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
        }
        
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
        }
        
        .related-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
            transform: translateY(30px);
        }
        
        .related-card:nth-child(1) { animation-delay: 0.1s; }
        .related-card:nth-child(2) { animation-delay: 0.2s; }
        .related-card:nth-child(3) { animation-delay: 0.3s; }
        
        .related-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .related-image {
            height: 180px;
            overflow: hidden;
        }
        
        .related-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .related-card:hover .related-image img {
            transform: scale(1.1);
        }
        
        .related-content {
            padding: 20px;
        }
        
        .related-content h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--primary-color);
            line-height: 1.4;
        }
        
        .related-content p {
            color: #666;
            font-size: 14px;
            margin-bottom: 15px;
            line-height: 1.5;
        }
        
        .related-meta {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: #999;
        }
        
        /* 动画关键帧 */
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes float {
            0% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-20px);
            }
            100% {
                transform: translateY(0px);
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .article-title {
                font-size: 26px;
            }
            
            .article-navigation {
                flex-direction: column;
                gap: 15px;
            }
            
            .nav-item {
                max-width: 100%;
            }
            
            .related-grid {
                grid-template-columns: 1fr;
            }
        }