/* ====== 文章页面独享CSS ====== */
        
        /* 文章头部区域 */
        .article-header {
            margin-top: 100px;
            padding: 60px 0 40px;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            position: relative;
            overflow: hidden;
        }

        .article-header::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.1);
        }

        .article-header::after {
            content: '';
            position: absolute;
            bottom: -150px;
            left: -150px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(10, 36, 99, 0.05);
        }

        .article-header-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }

        .article-title {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            font-weight: 800;
            line-height: 1.2;
            animation: fadeUp 0.8s ease;
        }

        @keyframes fadeUp {
            0% {
                opacity: 0;
                transform: translateY(30px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 30px;
            color: var(--gray-color);
            font-size: 1rem;
        }

        .meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .meta-item i {
            color: var(--secondary-color);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 20px;
        }

        .tag {
            background-color: rgba(10, 36, 99, 0.1);
            color: var(--primary-color);
            padding: 6px 15px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition);
        }

        .tag:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-2px);
        }

        /* 文章主体内容 */
        .article-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .article-content {
            max-width: 900px;
            margin: 60px auto;
            padding: 0 20px;
        }

        /* 文章内容样式 */
        .article-body {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--dark-color);
        }

        /* H2标题样式 */
        .article-body h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 60px 0 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--light-gray);
            position: relative;
            font-weight: 700;
        }

        .article-body h2::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 3px;
            background: var(--secondary-color);
            bottom: -2px;
            left: 0;
        }

        /* H3标题样式 */
        .article-body h3 {
            font-size: 1.6rem;
            color: var(--primary-color);
            margin: 50px 0 20px;
            font-weight: 700;
            position: relative;
            padding-left: 20px;
        }

        .article-body h3::before {
            content: '';
            position: absolute;
            width: 6px;
            height: 70%;
            background: var(--secondary-color);
            left: 0;
            top: 15%;
            border-radius: 3px;
        }

        /* H4标题样式 */
        .article-body h4 {
            font-size: 1.4rem;
            color: var(--accent-color);
            margin: 40px 0 18px;
            font-weight: 700;
        }

        /* H5标题样式 */
        .article-body h5 {
            font-size: 1.2rem;
            color: var(--accent-color);
            margin: 30px 0 15px;
            font-weight: 600;
            font-style: italic;
        }

        /* 段落样式 */
        .article-body p {
            margin-bottom: 25px;
            text-align: justify;
        }

        /* 图片样式 - 自适应 */
        .article-body img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 30px auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .article-body img:hover {
            transform: scale(1.01);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }

        /* 图片说明 */
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray-color);
            font-size: 0.95rem;
            margin-top: -20px;
            margin-bottom: 30px;
        }

        /* 列表样式 */
        .article-body ul, .article-body ol {
            margin-bottom: 25px;
            padding-left: 25px;
        }

        .article-body li {
            margin-bottom: 10px;
        }

        /* 引用样式 */
        .article-body blockquote {
            border-left: 4px solid var(--secondary-color);
            background-color: rgba(212, 175, 55, 0.05);
            padding: 25px 30px;
            margin: 30px 0;
            font-style: italic;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }

        .article-body blockquote p {
            margin-bottom: 0;
            color: var(--accent-color);
            font-size: 1.15rem;
        }

        /* 表格样式 */
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            box-shadow: var(--shadow);
            border-radius: var(--border-radius);
            overflow: hidden;
        }

        .article-body th {
            background-color: var(--primary-color);
            color: white;
            padding: 15px;
            text-align: left;
            font-weight: 600;
        }

        .article-body td {
            padding: 15px;
            border-bottom: 1px solid var(--light-gray);
        }

        .article-body tr:nth-child(even) {
            background-color: #f8f9fa;
        }

        .article-body tr:hover {
            background-color: rgba(10, 36, 99, 0.05);
        }

        /* 文章导航 */
        .article-navigation {
            display: flex;
            justify-content: space-between;
            margin: 70px 0 50px;
            padding: 30px 0;
            border-top: 1px solid var(--light-gray);
            border-bottom: 1px solid var(--light-gray);
        }

        .nav-previous, .nav-next {
            flex: 1;
            max-width: 45%;
        }

        .nav-next {
            text-align: right;
        }

        .nav-label {
            display: block;
            color: var(--gray-color);
            font-size: 0.9rem;
            margin-bottom: 10px;
        }

        .nav-title {
            font-weight: 600;
            color: var(--primary-color);
            transition: var(--transition);
            display: inline-block;
        }

        .nav-title:hover {
            color: var(--secondary-color);
        }

        .nav-previous .nav-title {
            padding-left: 20px;
            position: relative;
        }

        .nav-previous .nav-title::before {
            content: '←';
            position: absolute;
            left: 0;
        }

        .nav-next .nav-title {
            padding-right: 20px;
            position: relative;
        }

        .nav-next .nav-title::after {
            content: '→';
            position: absolute;
            right: 0;
        }

        /* 相关文章 */
        .related-articles {
            margin: 60px 0 100px;
        }

        .related-title {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin-bottom: 40px;
            text-align: center;
            position: relative;
            padding-bottom: 15px;
        }

        .related-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 3px;
            background: var(--secondary-color);
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }

        .related-card {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .related-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }

        .related-image {
            height: 200px;
            overflow: hidden;
        }

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

        .related-card:hover .related-image img {
            transform: scale(1.05);
        }

        .related-content {
            padding: 25px;
        }

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

        .related-content a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

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

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

        /* 响应式设计 */
        @media (max-width: 992px) {
            .article-title {
                font-size: 2.3rem;
            }
            
            .article-body h2 {
                font-size: 1.8rem;
            }
            
            .article-body h3 {
                font-size: 1.5rem;
            }
            
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .related-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            
            .nav-menu {
                position: fixed;
                top: 70px;
                right: -100%;
                flex-direction: column;
                background-color: white;
                width: 100%;
                text-align: center;
                transition: 0.3s;
                box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
                padding: 20px 0;
                z-index: 999;
            }
            
            .nav-menu.active {
                right: 0;
            }
            
            .nav-menu li {
                margin: 15px 0;
            }
            
            .article-title {
                font-size: 2rem;
            }
            
            .article-meta {
                flex-direction: column;
                gap: 10px;
            }
            
            .article-navigation {
                flex-direction: column;
                gap: 30px;
            }
            
            .nav-previous, .nav-next {
                max-width: 100%;
            }
            
            .related-grid {
                grid-template-columns: 1fr;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 576px) {
            section {
                padding: 60px 0;
            }
            
            .article-header {
                padding: 40px 0 30px;
            }
            
            .article-title {
                font-size: 1.8rem;
            }
            
            .article-content {
                padding: 0 15px;
                margin: 40px auto;
            }
            
            .article-body h2 {
                font-size: 1.6rem;
            }
            
            .article-body h3 {
                font-size: 1.4rem;
            }
            
            .article-body h4 {
                font-size: 1.3rem;
            }
            
            .article-body {
                font-size: 1rem;
            }
        }