:root {
            --primary-color: #3A7D44;
            --primary-light: #E6F4EA;
            --primary-dark: #2A5C32;
            --secondary-color: #F5A623;
            --text-dark: #333333;
            --text-light: #666666;
            --white: #FFFFFF;
            --gray-light: #F5F5F5;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-dark);
            line-height: 1.6;
            background-color: var(--white);font-size: 15px;
        }

        a {
            text-decoration: none;color: var(--primary-color);
        }

        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        h3 a {
            color: #333;
        }

        h3 a:hover {
            color: #2A5C32
        }

        p {
            margin-bottom: 1rem;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 导航栏 */
        .navbar {
            background-color: var(--white);
            box-shadow: var(--shadow);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .navbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .navbar-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-color);
            text-decoration: none;
        }

        .logo-pc {
            display: block;
        }

        .logo-mobile {
            display: none;
        }

        .nav-links-container {
            display: flex;
            align-items: center;
            justify-content: center;
            flex: 1;
        }

        .nav-link {
            color: var(--text-dark);
            margin: 0 2rem;
            font-weight: 500;
            text-decoration: none;
            transition: color 0.3s;
        }

        .nav-link:hover {
            color: var(--primary-color);
        }

        .language-switch {
            background-color: transparent;
            color: var(--text-light);
            border: 2px solid var(--primary-color);
            padding: 0.4rem 1rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 500;
            transition: all 0.3s;font-size: 14px;
        }

        .language-switch img {
            margin-right: 5px;
        }

        .language-switch:hover {
            background-color: var(--primary-color);
            color: var(--white);
        }

        .mobile-menu-toggle {
            display: none;
            background-color: transparent;
            border: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            cursor: pointer;
        }

        .language-switch-container {
            display: flex;
            align-items: center;
        }

        @media (max-width: 768px) {
            .navbar .container {
                position: relative;
                padding: 0 15px;
            }

            .logo-pc {
                display: none;
            }

            .logo-mobile {
                display: block;
                font-size: 1.2rem;
            }

            .navbar-brand {
                position: absolute;
                left: 15px;
                top: 50%;
                transform: translateY(-50%);
            }

            .mobile-menu-toggle {
                display: block;
                position: absolute;
                right: 60px;
                top: 50%;
                transform: translateY(-50%);
            }

            .language-switch-container {
                position: absolute;
                right: 15px;
                top: 50%;
                transform: translateY(-50%);
            }

            .language-switch {
                padding: 0.3rem 0.8rem;
                font-size: 0.9rem;
            }

            .nav-links-container {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: var(--white);
                flex-direction: column;
                box-shadow: var(--shadow);
                padding: 1rem;
                justify-content: flex-start;
            }

            .nav-links-container.active {
                display: flex;
            }

            .nav-link {
                margin: 0;
                margin-bottom: 1rem;
            }
        }

        /* Hero区域 */
        .hero {
            background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.5) 100%),
                url('/images/banner.jpg') center/cover no-repeat;
            color: var(--white);
            padding: 12rem 0;
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }

        .hero p {
            font-size: 1.25rem;
            max-width: 650px;
            margin-bottom: 2.5rem;
            opacity: 0.95;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: var(--white);
            border: none;
            padding: 1rem 2.5rem;
            font-size: 1.1rem;
            border-radius: 4px;
            transition: all 0.3s;
            text-decoration: none;
            display: inline-block;
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(58, 125, 68, 0.4);
        }

        /* 数据指标区 */
        .stats-section {
            background-color: var(--primary-color);
            color: var(--white);
            padding: 3rem 0;
            margin-top: -4rem;
            position: relative;
            z-index: 10;
        }

        .stat-item {
            text-align: center;
            padding: 1rem;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .stat-label {
            font-size: 1rem;
            opacity: 0.9;
        }

        /* 通用section样式 */
        section {
            padding: 6rem 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-title h2 {
            font-size: 2.5rem;
            color: var(--text-dark);
            margin-bottom: 1rem;
        }

        .section-title p {
            color: var(--text-light);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
        }

        /* 优势部分 */
        .advantages {
            background-color: var(--white);
        }

        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .advantage-card {
            background-color: var(--gray-light);
            border-radius: 8px;
            padding: 2.5rem 2rem;
            transition: all 0.3s;
            border-left: 4px solid transparent;
        }

        .advantage-card:hover {
            background-color: var(--white);
            box-shadow: var(--shadow);
            transform: translateY(-5px);
            border-left-color: var(--primary-color);
        }

        .advantage-icon {
            color: var(--primary-color);
            font-size: 2rem;
            margin-bottom: 1.5rem;
        }

        .advantage-card h3 {
            font-size: 1.25rem;
            color: var(--text-dark);
            margin-bottom: 1rem;
        }

        .advantage-card p {
            color: var(--text-light);
            font-size: 0.95rem;
            margin: 0;
        }

        /* 服务部分 */
        .services {
            background-color: var(--primary-light);
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .service-card {
            background-color: var(--white);
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.3s;
            box-shadow: var(--shadow);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }

        .service-icon {
            background-color: var(--primary-color);
            color: var(--white);
            padding: 2rem;
            text-align: center;
        }

        .service-icon i {
            font-size: 2.5rem;
        }

        .service-content {
            padding: 2rem;
        }

        .service-content h3 {
            font-size: 1.25rem;
            color: var(--text-dark);
            margin-bottom: 1rem;
        }

        .service-content p {
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 1rem;
        }

        .service-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .service-list li {
            font-size: 0.9rem;
            color: var(--text-light);
            padding: 0.4rem 0;
            position: relative;
            padding-left: 1.5rem;
        }

        .service-list li:before {
            content: "✓";
            color: var(--primary-color);
            position: absolute;
            left: 0;
            font-weight: 700;
        }

        /* 行业解决方案 */
        .industries {
            background-color: var(--white);
        }

        .industry-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2.5rem;
        }

        .industry-card {
            display: flex;
            background-color: var(--gray-light);
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .industry-card:hover {
            box-shadow: var(--shadow);
            transform: translateX(5px);
        }

        .industry-img {
            width: 40%;
            background-size: cover;
            background-position: center;
            min-height: 250px;
        }

        .industry-content {
            width: 60%;
            padding: 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .industry-content h3 {
            font-size: 1.25rem;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }

        .industry-content p {
            color: var(--text-light);
            font-size: 0.95rem;
            margin: 0;
        }

        /* 关于我们 */
        .about {
            background-color: var(--primary-light);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-text h2 {
            font-size: 2.5rem;
            color: var(--text-dark);
            margin-bottom: 1.5rem;
        }

        .about-text p {
            color: var(--text-light);
            margin-bottom: 1.5rem;
        }

        .about-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .about-stat-item {
            text-align: center;
            padding: 1.5rem;
            background-color: var(--white);
            border-radius: 8px;
            box-shadow: var(--shadow);
        }

        .about-stat-item h4 {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }

        .about-stat-item p {
            color: var(--text-light);
            font-size: 0.9rem;
            margin: 0;
        }

        .about-certifications {
            margin-top: 2rem;
        }

        .cert-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .cert-list li {
            color: var(--text-light);
            padding: 0.5rem 0;
            padding-left: 1.5rem;
            position: relative;
        }

        .cert-list li:before {
            content: "🏆";
            position: absolute;
            left: 0;
        }

        /* 联系我们 */
        .contact {
            background-color: var(--white);
            padding: 6rem 0;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
        }

        .contact-info h3 {
            font-size: 2rem;
            color: var(--text-dark);
            margin-bottom: 1.5rem;
        }

        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .contact-item i {
            color: var(--primary-color);
            font-size: 1.5rem;
            margin-right: 1rem;
            width: 40px;
            text-align: center;
        }

        .contact-item h4 {
            font-size: 1rem;
            margin-bottom: 0;
        }

        .contact-item p {
            color: var(--text-light);
            font-size: 0.95rem;
            margin: 0;
        }

        .contact-form {
            background-color: var(--gray-light);
            padding: 2.5rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-label {
            display: block;
            font-weight: 500;
            margin-bottom: 0.5rem;
            color: var(--text-dark);
        }

        .form-control {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
        }

        .form-control textarea {
            resize: vertical;
            min-height: 120px;
        }

        /* 页脚 */
        footer {
            background-color: var(--text-dark);
            color: var(--white);
            padding: 4rem 0 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .footer-col h4 {
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
            color: var(--white);
        }

        .footer-col p {
            color: #ccc;
            font-size: 0.9rem;
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 0.8rem;
        }

        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
            font-size: 0.9rem;
        }

        .footer-links a:hover {
            color: var(--white);
        }

        /* 资讯板块 */
        .news {
            background-color: var(--white);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .news-card {
            background-color: var(--white);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.3s;
        }

        .news-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }

        .news-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .news-category {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background-color: var(--primary-color);
            color: var(--white);
            padding: 0.3rem 0.8rem;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .news-content {
            padding: 1.5rem;
        }

        .news-date {
            color: var(--text-light);
            font-size: 0.85rem;
            margin-bottom: 0.8rem;
        }

        .news-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.8rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-excerpt {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.9rem;
            transition: color 0.3s;
        }

        .news-link:hover {
            color: var(--primary-dark);
        }

        .news-link:after {
            content: " →";
            transition: transform 0.3s;
        }

        .news-link:hover:after {
            transform: translateX(4px);
        }

        .footer-bottom {
            border-top: 1px solid #444;
            padding-top: 2rem;
            text-align: center;
        }

        .footer-bottom p {
            color: #888;
            font-size: 0.9rem;
            margin: 0;
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {

            .advantage-grid,
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .hero {
                padding: 8rem 0 6rem;
                min-height: auto;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .hero p {
                font-size: 1rem;
            }

            .advantage-grid,
            .service-grid,
            .industry-grid,
            .about-content,
            .contact-grid,
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .industry-card {
                flex-direction: column;
            }

            .industry-img,
            .industry-content {
                width: 100%;
            }

            .industry-img {
                min-height: 200px;
            }

            .stats-section {
                margin-top: 0;
            }

            section {
                padding: 4rem 0;
            }

            .stat-item {
                padding: 0.5rem;
            }

            .stat-number {
                font-size: 2rem;
            }
        }

        /* 感谢弹窗遮罩层 */
        .thank-modal-mask {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        /* 弹窗显示状态 */
        .thank-modal-mask.show {
            opacity: 1;
            visibility: visible;
        }

        /* 弹窗主体 */
        .thank-modal-content {
            width: 90%;
            max-width: 450px;
            background: #fff;
            border-radius: 8px;
            padding: 30px 25px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transform: translateY(-20px);
            transition: transform 0.3s ease;
        }

        .thank-modal-mask.show .thank-modal-content {
            transform: translateY(0);
        }

        /* 弹窗标题 */
        .thank-modal-title {
            font-size: 20px;
            color: #333;
            margin: 0 0 15px;
            font-weight: 600;
        }

        /* 弹窗内容 */
        .thank-modal-text {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
            margin: 0 0 25px;
        }

        /* 确认按钮 */
        .thank-modal-btn {
            padding: 10px 30px;
            background: #007bff;
            color: #fff;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
            transition: background 0.2s ease;
        }

        .thank-modal-btn:hover {
            background: #0056b3;
        }

        /* 页面头部 */
        .page-header {
            background: linear-gradient(135deg, rgba(58, 125, 68, 0.95) 0%, rgba(42, 92, 50, 0.95) 100%),
                url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?ixlib=rb-4.0.3') center/cover no-repeat;
            color: var(--white);
            padding: 6rem 0 4rem;
            text-align: center;
        }

        .page-header h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .page-header p {
            font-size: 1.2rem;
            opacity: 0.95;
            max-width: 700px;
            margin: 0 auto;
        }

        /* 主要内容区域 */
        .main-content {
            padding: 4rem 0;
        }

        .content-layout {
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 3rem;
        }

        /* 分类筛选 */
        .category-filter {
            display: flex;
            gap: 1rem;
            margin-bottom: 3rem;
            flex-wrap: wrap;
        }

        .category-btn {
            padding: 0.6rem 1.5rem;
            border: 1px solid #ddd;
            background-color: var(--white);
            color: var(--text-dark);
            border-radius: 20px;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: 500;
        }

        .category-btn:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
        }

        .category-btn.active {
            background-color: var(--primary-color);
            color: var(--white);
            border-color: var(--primary-color);
        }

        /* 新闻卡片网格 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .news-card {
            background-color: var(--white);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.3s;
            border: 1px solid #eee;
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }

        .news-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .news-category {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background-color: var(--primary-color);
            color: var(--white);
            padding: 0.3rem 0.8rem;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 500;
            text-transform: uppercase;
        }

        .news-content {
            padding: 1.5rem;
        }

        .news-meta {
            display: flex;
            gap: 1rem;
            color: var(--text-light);
            font-size: 0.85rem;
            margin-bottom: 0.8rem;
        }

        .news-meta i {
            margin-right: 0.3rem;
        }

        .news-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.8rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-excerpt {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.9rem;
            transition: color 0.3s;
        }

        .news-link:hover {
            color: var(--primary-dark);
        }

        /* 侧边栏 */
        .sidebar {
            position: sticky;
            top: 100px;
        }

        .sidebar-widget {
            background-color: var(--gray-light);
            border-radius: 8px;
            padding: 1.5rem;
            margin-bottom: 2rem;
        }

        .sidebar-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            color: var(--text-dark);
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--primary-color);
        }

        .recent-posts {
            list-style: none;
        }

        .recent-posts li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
        }

        .recent-posts li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }

        .recent-posts a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s;
            display: block;
            margin-bottom: 0.3rem;
        }

        .recent-posts a:hover {
            color: var(--primary-color);
        }

        .recent-posts .post-date {
            color: var(--text-light);
            font-size: 0.8rem;
        }

        .categories-list {
            list-style: none;
        }

        .categories-list li {
            margin-bottom: 0.8rem;
        }

        .categories-list a {
            text-decoration: none;
            color: var(--text-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color 0.3s;
        }

        .categories-list a:hover {
            color: var(--primary-color);
        }

        .categories-list .count {
            background-color: var(--primary-light);
            color: var(--primary-color);
            padding: 0.2rem 0.6rem;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* 分页 */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin-top: 3rem;
        }

        .pagination a,
        .pagination span {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid #ddd;
            border-radius: 4px;
            color: var(--text-dark);
            text-decoration: none;
            transition: all 0.3s;
        }

        .pagination a:hover {
            background-color: var(--primary-color);
            color: var(--white);
            border-color: var(--primary-color);
        }

        .pagination .active {
            background-color: var(--primary-color);
            color: var(--white);
            border-color: var(--primary-color);
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 2fr 1fr;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .page-header {
                padding: 4rem 0 2rem;
            }

            .page-header h1 {
                font-size: 2rem;
            }

            .page-header p {
                font-size: 1rem;
            }

            .main-content {
                padding: 3rem 0;
            }

            .content-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .category-filter {
                gap: 0.5rem;
            }

            .category-btn {
                padding: 0.5rem 1rem;
                font-size: 0.9rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .sidebar {
                position: static;
            }
        }

        /* 面包屑导航 */
        .breadcrumb {
            background-color: var(--gray-light);
            padding: 1rem 0;
        }

        .breadcrumb-links {
            list-style: none;
            display: flex;
            gap: 0.5rem;
            font-size: 0.95rem;
        }

        .breadcrumb-links a {
            color: var(--primary-color);
            text-decoration: none;
        }

        .breadcrumb-links a:hover {
            text-decoration: underline;
        }

        .breadcrumb-links .current {
            color: var(--text-dark);
        }

        /* 主要内容区域 */
        .main-content {
            padding: 4rem 0;
        }

        .article-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .article-header {
            margin-bottom: 3rem;
        }

        .article-header h1 {
            font-size: 3rem;
            margin-bottom: 2rem;
            color: var(--text-dark);
            line-height: 1.2;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 2rem;
        }

        .meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

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

        .article-image {
            width: 100%;
            height: 400px;
            background-size: cover;
            background-position: center;
            border-radius: 8px;
            margin-bottom: 2rem;
            position: relative;
        }

        .article-content {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--text-light);
        }

        .article-content h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1.5rem;
            color: var(--text-dark);
        }

        .article-content h3 {
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
            color: var(--text-dark);
        }

        .article-content p {
            margin-bottom: 1.5rem;
        }

        .article-content strong {
            color: var(--text-dark);
            font-weight: 600;
        }

        .article-content blockquote {
            background-color: var(--primary-light);
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            border-left: 4px solid var(--primary-color);
            border-radius: 4px;
            font-style: italic;
            color: var(--text-dark);
        }

        .article-content ul {
            margin: 1.5rem 0;
            padding-left: 2rem;
        }

        .article-content li {
            margin-bottom: 0.8rem;
        }

        /* 分享按钮 */
        .share-section {
            margin: 3rem 0;
            padding-top: 2rem;
            border-top: 1px solid #eee;
        }

        .share-title {
            margin-bottom: 1rem;
            color: var(--text-dark);
            font-weight: 600;
        }

        .share-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .share-btn {
            padding: 0.8rem 1.5rem;
            background-color: var(--primary-color);
            color: var(--white);
            border: none;
            border-radius: 4px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
            font-weight: 500;
            transition: all 0.3s;
            text-decoration: none;
        }

        .share-btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .share-btn.facebook {
            background-color: #1877F2;
        }

        .share-btn.facebook:hover {
            background-color: #0D67D6;
        }

        .share-btn.twitter {
            background-color: #1DA1F2;
        }

        .share-btn.twitter:hover {
            background-color: #0F91E6;
        }

        .share-btn.linkedin {
            background-color: #0077B5;
        }

        .share-btn.linkedin:hover {
            background-color: #006694;
        }

        /* 相关文章 */
        .related-articles {
            margin-top: 4rem;
            padding-top: 3rem;
            border-top: 1px solid #eee;
        }

        .related-title {
            font-size: 2rem;
            margin-bottom: 2rem;
            text-align: center;
            color: var(--text-dark);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .related-card {
            background-color: var(--white);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.3s;
        }

        .related-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }

        .related-img {
            height: 180px;
            background-size: cover;
            background-position: center;
        }

        .related-content {
            padding: 1.5rem;
        }

        .related-title-small {
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
            color: var(--text-dark);
        }

        .related-excerpt {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 1rem;
        }

        .related-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .article-header h1 {
                font-size: 2rem;
            }

            .article-meta {
                gap: 1rem;
                font-size: 0.9rem;
            }

            .article-image {
                height: 250px;
            }

            .article-content {
                font-size: 1rem;
            }

            .article-content h2 {
                font-size: 1.8rem;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }
        }