/* 样式重置与全局变量 */
        :root {
            --primary: #059669; /* 森林绿 */
            --primary-light: #34D399; /* 薄荷绿 */
            --primary-bg: #F0FDF4; /* 浅薄荷绿背景 */
            --dark-text: #064E3B; /* 深绿文字 */
            --body-text: #1F2937; /* 深灰正文 */
            --light-bg: #FFFFFF;
            --gray-bg: #F9FAFB;
            --border-color: #E5E7EB;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--body-text);
            background-color: var(--gray-bg);
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 统一的页面居中容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        section {
            padding: 5rem 0;
            background-color: var(--light-bg);
            border-bottom: 1px solid var(--border-color);
        }

        section:nth-child(even) {
            background-color: var(--primary-bg);
        }

        /* 标题规范 */
        .section-header {
            text-align: center;
            margin-bottom: 3.5rem;
        }

        .section-header h2 {
            font-size: 2.25rem;
            color: var(--dark-text);
            font-weight: 800;
            margin-bottom: 1rem;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background-color: var(--primary-light);
            border-radius: 2px;
        }

        .section-header p {
            font-size: 1.1rem;
            color: #4B5563;
            max-width: 700px;
            margin: 0 auto;
        }

        /* 按钮基础样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.75rem;
            border-radius: 9999px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: 2px solid transparent;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #ffffff;
        }

        .btn-primary:hover {
            background-color: #047857;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-secondary {
            background-color: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }

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

        /* 导航栏 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 4.5rem;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .logo-area img {
            height: 2.5rem;
            width: auto;
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--dark-text);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            list-style: none;
        }

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

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

        .nav-btn-group {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark-text);
            transition: var(--transition);
        }

        /* 首屏 Hero Section (无图片) */
        .hero-section {
            background: linear-gradient(135deg, #F0FDF4 0%, #ECFDF5 50%, #D1FAE5 100%);
            padding: 7.5rem 0 6rem 0;
            position: relative;
            overflow: hidden;
            text-align: center;
            border-bottom: none;
        }

        .hero-shapes {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
            pointer-events: none;
        }

        .shape {
            position: absolute;
            background: radial-gradient(circle, rgba(52,211,153,0.15) 0%, rgba(255,255,255,0) 70%);
            border-radius: 50%;
        }

        .shape-1 { width: 500px; height: 500px; top: -200px; left: -100px; }
        .shape-2 { width: 400px; height: 400px; bottom: -100px; right: -100px; }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            background-color: #E6F7F0;
            color: var(--primary);
            padding: 0.5rem 1.25rem;
            border-radius: 9999px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            border: 1px solid var(--primary-light);
        }

        .hero-content h1 {
            font-size: 3rem;
            line-height: 1.2;
            color: var(--dark-text);
            font-weight: 900;
            margin-bottom: 1.5rem;
            letter-spacing: -0.025em;
        }

        .hero-content p {
            font-size: 1.25rem;
            color: #4B5563;
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 1.25rem;
            margin-bottom: 3.5rem;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .stat-card {
            background-color: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(167, 243, 217, 0.5);
            padding: 1.5rem;
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(5px);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .stat-num {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.25rem;
        }

        .stat-label {
            font-size: 0.9rem;
            color: #4B5563;
            font-weight: 500;
        }

        /* 关于我们 / 平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.75rem;
            color: var(--dark-text);
            margin-bottom: 1.25rem;
            font-weight: 700;
        }

        .about-text p {
            margin-bottom: 1.25rem;
            color: #4B5563;
            font-size: 1.05rem;
        }

        .feature-bullets {
            list-style: none;
            margin-top: 1.5rem;
        }

        .feature-bullets li {
            position: relative;
            padding-left: 2rem;
            margin-bottom: 0.75rem;
            font-weight: 500;
        }

        .feature-bullets li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
            font-size: 1.2rem;
        }

        .about-visual {
            background-color: var(--primary-bg);
            border: 2px dashed var(--primary-light);
            border-radius: 24px;
            padding: 2.5rem;
            text-align: center;
        }

        .platform-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: center;
        }

        .tag-item {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            padding: 0.5rem 1rem;
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--dark-text);
            box-shadow: var(--shadow-sm);
        }

        /* 全平台AIGC服务 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .service-card {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 2.25rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background-color: var(--primary-light);
            transform: scaleX(0);
            transition: var(--transition);
            transform-origin: left;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
        }

        .service-card h3 {
            font-size: 1.35rem;
            color: var(--dark-text);
            margin-bottom: 1rem;
            font-weight: 700;
        }

        .service-card p {
            color: #6B7280;
            font-size: 0.95rem;
        }

        /* 一站式AIGC制作 (场景展示) */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2.5rem;
        }

        .scenario-item {
            background-color: #ffffff;
            border-radius: 20px;
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            display: flex;
            gap: 1.5rem;
            align-items: flex-start;
        }

        .scenario-num {
            background-color: var(--primary-bg);
            color: var(--primary);
            width: 3rem;
            height: 3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-weight: 800;
            font-size: 1.25rem;
            flex-shrink: 0;
        }

        .scenario-detail h3 {
            font-size: 1.25rem;
            color: var(--dark-text);
            margin-bottom: 0.75rem;
        }

        .scenario-detail p {
            color: #6B7280;
            font-size: 0.95rem;
        }

        /* 全行业解决方案 与 全国服务网络 */
        .solution-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            margin-bottom: 3rem;
        }

        .solution-pill {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            padding: 0.75rem 1.5rem;
            border-radius: 9999px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }

        .solution-pill.active, .solution-pill:hover {
            background-color: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
        }

        .solution-content {
            background-color: #ffffff;
            border-radius: 24px;
            padding: 3rem;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

        .solution-detail-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 3rem;
            align-items: center;
        }

        .network-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .network-item {
            background: #ffffff;
            padding: 1.25rem;
            border-radius: 12px;
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .network-map-placeholder {
            background-color: var(--primary-bg);
            border: 2px dashed var(--primary-light);
            border-radius: 16px;
            height: 350px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            color: var(--dark-text);
            text-align: center;
            padding: 2rem;
        }

        /* 流程步骤 与 技术标准 */
        .workflow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
        }

        .workflow-step {
            text-align: center;
            position: relative;
            background: #ffffff;
            padding: 2rem 1.5rem;
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }

        .step-badge {
            background-color: var(--primary);
            color: #ffffff;
            width: 2.5rem;
            height: 2.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            margin: 0 auto 1.5rem auto;
            font-weight: 700;
        }

        .workflow-step h3 {
            font-size: 1.15rem;
            margin-bottom: 0.75rem;
            color: var(--dark-text);
        }

        .workflow-step p {
            font-size: 0.9rem;
            color: #6B7280;
        }

        /* 客户案例中心 */
        .case-gallery {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .case-card {
            background-color: #ffffff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .case-image-wrapper {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: #E5E7EB;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

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

        .case-info {
            padding: 1.5rem;
        }

        .case-tag {
            display: inline-block;
            background-color: var(--primary-bg);
            color: var(--primary);
            font-size: 0.8rem;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

        .case-info h3 {
            font-size: 1.2rem;
            color: var(--dark-text);
            margin-bottom: 0.5rem;
        }

        .case-info p {
            color: #6B7280;
            font-size: 0.9rem;
        }

        /* 对比评测 */
        .rating-box {
            background-color: #ffffff;
            border-radius: 24px;
            padding: 3rem;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            text-align: center;
            max-width: 800px;
            margin: 0 auto 3rem auto;
        }

        .rating-score {
            font-size: 4rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 0.5rem;
        }

        .rating-stars {
            color: #FBBF24;
            font-size: 1.75rem;
            margin-bottom: 1rem;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background-color: #ffffff;
        }

        .comparison-table th, .comparison-table td {
            padding: 1.25rem 1.5rem;
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-table th {
            background-color: var(--primary-bg);
            color: var(--dark-text);
            font-weight: 700;
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .highlight-col {
            background-color: rgba(52, 211, 153, 0.05);
            font-weight: 600;
        }

        /* Token比价参考 */
        .token-intro {
            max-width: 800px;
            margin: 0 auto 2.5rem auto;
            text-align: center;
            color: #4B5563;
        }

        /* 职业技术培训 & 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .training-certs {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.25rem;
        }

        .cert-card {
            background-color: #ffffff;
            padding: 1.5rem;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .cert-card:hover {
            transform: translateY(-3px);
            border-color: var(--primary-light);
            box-shadow: var(--shadow-md);
        }

        .cert-card h4 {
            color: var(--dark-text);
            margin-bottom: 0.5rem;
            font-size: 1.05rem;
        }

        .cert-card p {
            font-size: 0.85rem;
            color: #6B7280;
        }

        /* 客户评论卡片 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .testimonial-card {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .testimonial-stars {
            color: #FBBF24;
            margin-bottom: 1rem;
        }

        .testimonial-text {
            color: #4B5563;
            font-style: italic;
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .avatar-placeholder {
            width: 2.5rem;
            height: 2.5rem;
            background-color: var(--primary-bg);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            border-radius: 50%;
        }

        .author-info h4 {
            font-size: 0.95rem;
            color: var(--dark-text);
        }

        .author-info p {
            font-size: 0.8rem;
            color: #9CA3AF;
        }

        /* 常见用户问题 FAQ & 自助排查 */
        .faq-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 3rem;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 1.25rem 1.5rem;
            background-color: #ffffff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--dark-text);
            transition: var(--transition);
        }

        .faq-header:hover {
            background-color: var(--primary-bg);
        }

        .faq-icon {
            transition: var(--transition);
        }

        .faq-content {
            padding: 0;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: #ffffff;
        }

        .faq-content p {
            padding: 1.25rem 1.5rem;
            color: #4B5563;
            border-top: 1px solid var(--border-color);
            font-size: 0.95rem;
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        .faq-item.active .faq-content {
            max-height: 200px;
        }

        /* 自助排查与术语百科 */
        .sidebar-widget {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 1.75rem;
            margin-bottom: 1.5rem;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-widget h3 {
            font-size: 1.2rem;
            color: var(--dark-text);
            margin-bottom: 1.25rem;
            border-left: 4px solid var(--primary);
            padding-left: 0.75rem;
        }

        .troubleshoot-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .troubleshoot-list li a {
            color: var(--body-text);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
            display: block;
        }

        .troubleshoot-list li a:hover {
            color: var(--primary);
            padding-left: 0.25rem;
        }

        .terms-grid {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .term-item h4 {
            font-size: 0.95rem;
            color: var(--dark-text);
            margin-bottom: 0.25rem;
        }

        .term-item p {
            font-size: 0.85rem;
            color: #6B7280;
        }

        /* 行业资讯 / 知识库 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .article-card {
            background-color: #ffffff;
            border-radius: 16px;
            padding: 1.75rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .article-card h3 {
            font-size: 1.15rem;
            color: var(--dark-text);
            margin-bottom: 1rem;
            line-height: 1.4;
        }

        .article-card p {
            color: #6B7280;
            font-size: 0.85rem;
            margin-bottom: 1.25rem;
        }

        .article-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }

        .article-link:hover {
            text-decoration: underline;
        }

        /* 智能需求匹配与联系我们表单 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 4rem;
            align-items: start;
        }

        .form-card {
            background-color: #ffffff;
            border-radius: 24px;
            padding: 3rem;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark-text);
            font-size: 0.95rem;
        }

        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
            background-color: var(--gray-bg);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: #ffffff;
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
        }

        /* 联系信息 */
        .contact-info-panel {
            padding-top: 1rem;
        }

        .info-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin-bottom: 2.5rem;
        }

        .info-item {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
        }

        .info-icon {
            background-color: var(--primary-bg);
            color: var(--primary);
            width: 2.75rem;
            height: 2.75rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .info-detail h4 {
            color: var(--dark-text);
            font-size: 1rem;
            margin-bottom: 0.25rem;
        }

        .info-detail p, .info-detail a {
            color: #4B5563;
            text-decoration: none;
            font-size: 0.95rem;
        }

        .qr-codes {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .qr-card {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            padding: 1rem;
            border-radius: 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .qr-card img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin-bottom: 0.5rem;
        }

        .qr-card p {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--dark-text);
        }

        /* 友情链接 */
        .friendship-links {
            padding: 3rem 0;
            background-color: #ffffff;
            border-top: 1px solid var(--border-color);
            text-align: center;
        }

        .friend-links-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
            margin-top: 1rem;
        }

        .friend-links-wrap a {
            color: #4B5563;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .friend-links-wrap a:hover {
            color: var(--primary);
        }

        /* 页脚 */
        footer {
            background-color: #064E3B; /* 配合春绿薄荷，选用最深的森林绿做尾 */
            color: #E6F7F0;
            padding: 4rem 0 2rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

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

        .footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: #ffffff;
        }

        .footer-brand p {
            color: #A7F3D0;
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
            max-width: 400px;
        }

        .footer-links h4 {
            color: #ffffff;
            font-size: 1.1rem;
            margin-bottom: 1.25rem;
            position: relative;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .footer-links a {
            color: #A7F3D0;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #ffffff;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #A7F3D0;
        }

        .footer-bottom a {
            color: #ffffff;
            text-decoration: none;
        }

        /* 侧边浮动组件 */
        .floating-widgets {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            z-index: 999;
        }

        .float-btn {
            background-color: var(--primary);
            color: #ffffff;
            width: 3.5rem;
            height: 3.5rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            background-color: #047857;
            transform: scale(1.05);
        }

        .float-btn svg {
            width: 1.5rem;
            height: 1.5rem;
            fill: currentColor;
        }

        /* 浮动二维码面板 */
        .qr-popover {
            position: absolute;
            bottom: 4rem;
            right: 0;
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            padding: 1rem;
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            display: none;
            width: 150px;
            text-align: center;
        }

        .qr-popover img {
            width: 100%;
            height: auto;
            margin-bottom: 0.5rem;
        }

        .qr-popover p {
            color: var(--dark-text);
            font-size: 0.75rem;
            font-weight: 600;
        }

        .float-btn:hover .qr-popover {
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
            .grid-3, .scenarios-grid, .case-gallery, .testimonials-grid, .articles-grid { grid-template-columns: repeat(2, 1fr); }
            .training-grid { grid-template-columns: 1fr; }
            .faq-layout { grid-template-columns: 1fr; }
            .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 4.5rem;
                left: 0;
                width: 100%;
                background-color: #ffffff;
                flex-direction: column;
                padding: 1.5rem;
                box-shadow: var(--shadow-md);
                border-top: 1px solid var(--border-color);
            }
            .nav-menu.active { display: flex; }
            .menu-toggle { display: flex; }
            .hero-content h1 { font-size: 2.25rem; }
            .hero-cta { flex-direction: column; align-items: center; }
            .hero-cta .btn { width: 100%; max-width: 300px; }
            .stats-grid, .grid-3, .scenarios-grid, .case-gallery, .testimonials-grid, .articles-grid { grid-template-columns: 1fr; }
            .workflow-steps { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
            .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
            .qr-codes { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 480px) {
            .workflow-steps { grid-template-columns: 1fr; }
            .qr-codes { grid-template-columns: 1fr; }
        }