:root {
            --primary: #00b894;
            --primary-hover: #00a86b;
            --primary-light: #e8f8f5;
            --accent: #00cec9;
            --dark: #2d3436;
            --text-muted: #636e72;
            --light-bg: #f5fcf9;
            --white: #ffffff;
            --card-shadow: 0 10px 30px rgba(0, 184, 148, 0.08);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 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(--dark);
            background-color: var(--light-bg);
        }

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

        /* 栅格与布局系统 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 100px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 4px;
            background: var(--primary);
            margin: 10px auto 0;
            border-radius: 2px;
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            box-shadow: 0 4px 15px rgba(0, 184, 148, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 184, 148, 0.4);
            filter: brightness(1.05);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0,0,0,0.05);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: var(--transition);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .brand img {
            height: 40px;
            width: auto;
        }

        .brand span {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--dark);
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-link {
            color: var(--dark);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            padding: 8px 12px;
            border-radius: 4px;
        }

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

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 15px;
        }

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

        /* 1. 首页 (Hero) - 无图片 */
        .hero {
            padding-top: 180px;
            padding-bottom: 120px;
            background: radial-gradient(circle at 10% 20%, rgba(0, 184, 148, 0.05) 0%, rgba(0, 206, 201, 0.02) 90%);
            text-align: center;
            position: relative;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: linear-gradient(var(--primary-light) 1px, transparent 1px), linear-gradient(90deg, var(--primary-light) 1px, transparent 1px);
            background-size: 40px 40px;
            mask-image: radial-gradient(ellipse at center, black, transparent 70%);
            -webkit-mask-image: radial-gradient(ellipse at center, black, transparent 70%);
            z-index: 1;
            opacity: 0.6;
        }

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

        .badge-hero {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 25px;
            border: 1px solid rgba(0, 184, 148, 0.2);
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 25px;
        }

        .hero h1 span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: 1.25rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .hero-features {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
            margin-top: 80px;
        }

        .hero-feature-card {
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 184, 148, 0.15);
            padding: 30px;
            border-radius: 16px;
            box-shadow: var(--card-shadow);
        }

        .hero-feature-card h3 {
            font-size: 1.3rem;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .hero-feature-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* 2. 关于我们与平台介绍 */
        .about {
            background: var(--white);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .about-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

        .features-list {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 30px;
        }

        .features-list li {
            position: relative;
            padding-left: 25px;
            font-size: 0.95rem;
            color: var(--dark);
            font-weight: 500;
        }

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

        .about-box {
            background: linear-gradient(135deg, var(--primary-light), #f0fdfa);
            border-radius: 24px;
            padding: 40px;
            border: 1px solid rgba(0,184,148,0.1);
            position: relative;
        }

        .about-stat {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 30px;
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 3. AIGC 服务能力 */
        .services {
            background: var(--light-bg);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--white);
            border-radius: 20px;
            padding: 35px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 184, 148, 0.3);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 25px;
        }

        .service-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--dark);
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .model-tag {
            background: #f1f3f5;
            color: var(--dark);
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 30px;
        }

        /* 4. 一站式制作与解决方案 */
        .solutions {
            background: var(--white);
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .solutions-images {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .solutions-images img {
            width: 100%;
            border-radius: 16px;
            object-fit: cover;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

        .solutions-images img:hover {
            transform: scale(1.03);
        }

        .solution-list {
            margin-top: 30px;
        }

        .solution-item {
            margin-bottom: 25px;
        }

        .solution-item h4 {
            font-size: 1.15rem;
            color: var(--dark);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .solution-item h4::before {
            content: '●';
            color: var(--accent);
            font-size: 0.8rem;
        }

        .solution-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
            padding-left: 18px;
        }

        /* 5. 全国服务网络 */
        .network {
            background: linear-gradient(180deg, var(--white), var(--light-bg));
            text-align: center;
        }

        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .network-card {
            background: var(--white);
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--card-shadow);
        }

        .network-card h3 {
            color: var(--primary);
            font-size: 1.5rem;
            margin-bottom: 10px;
        }

        /* 6. 标准化流程 */
        .process {
            background: var(--white);
        }

        .steps-flow {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 15px;
            position: relative;
        }

        .step-node {
            text-align: center;
            z-index: 2;
        }

        .step-badge {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
            border: 2px solid var(--primary);
            transition: var(--transition);
        }

        .step-node:hover .step-badge {
            background: var(--primary);
            color: var(--white);
            transform: scale(1.1);
        }

        .step-node h4 {
            font-size: 1rem;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .step-node p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 7. 客户案例中心 */
        .cases {
            background: var(--light-bg);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .case-card {
            background: var(--white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
        }

        .case-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

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

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

        .case-content {
            padding: 20px;
        }

        .case-content h4 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .case-content p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* 8. 对比评测 */
        .evaluation {
            background: var(--white);
        }

        .eval-layout {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: center;
        }

        .score-box {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            padding: 40px;
            border-radius: 24px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,184,148,0.2);
        }

        .score-stars {
            font-size: 2rem;
            color: #ffeaa7;
            margin-bottom: 15px;
        }

        .score-num {
            font-size: 5rem;
            font-weight: 800;
            line-height: 1;
            margin-bottom: 10px;
        }

        .score-label {
            font-size: 1.1rem;
            opacity: 0.9;
        }

        .eval-table-container {
            overflow-x: auto;
        }

        .eval-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .eval-table th, .eval-table td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(0,0,0,0.06);
        }

        .eval-table th {
            background: var(--primary-light);
            color: var(--dark);
            font-weight: 700;
        }

        .eval-table td {
            font-size: 0.95rem;
        }

        .eval-highlight {
            color: var(--primary);
            font-weight: 700;
        }

        /* 9. Token 比价 */
        .token-compare {
            background: var(--light-bg);
        }

        .token-image-wrap {
            max-width: 500px;
            margin: 0 auto 40px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
        }

        .token-image-wrap img {
            width: 100%;
            display: block;
        }

        .price-table {
            width: 100%;
            background: var(--white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border-collapse: collapse;
        }

        .price-table th, .price-table td {
            padding: 18px 24px;
            text-align: left;
            border-bottom: 1px solid #f1f3f5;
        }

        .price-table th {
            background: var(--primary);
            color: var(--white);
        }

        .price-savings {
            background: #ffeaa7;
            color: #d63031;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.8rem;
        }

        /* 10. 培训板块 */
        .training {
            background: var(--white);
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .training-card {
            background: var(--light-bg);
            border: 1px solid rgba(0, 184, 148, 0.1);
            border-radius: 16px;
            padding: 25px;
            text-align: center;
            transition: var(--transition);
        }

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

        .training-card h3 {
            font-size: 1.1rem;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .training-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 11. FAQ 常见问题 */
        .faq {
            background: var(--light-bg);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border-radius: 12px;
            margin-bottom: 15px;
            box-shadow: var(--card-shadow);
            overflow: hidden;
            border: 1px solid rgba(0,0,0,0.02);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: var(--transition);
        }

        .faq-question:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 1px solid transparent;
        }

        .faq-item.active .faq-answer {
            padding: 20px 24px;
            max-height: 300px;
            border-top: 1px solid #f1f3f5;
        }

        .faq-arrow {
            transition: transform 0.3s;
        }

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

        /* 12. 术语百科与标签云 */
        .wiki {
            background: var(--white);
        }

        .wiki-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 900px;
            margin: 0 auto;
        }

        .wiki-tag {
            background: var(--light-bg);
            color: var(--dark);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid rgba(0, 184, 148, 0.1);
            transition: var(--transition);
            cursor: pointer;
        }

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

        /* 13. 客户评论与故事 */
        .reviews {
            background: var(--light-bg);
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background: var(--white);
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--card-shadow);
            position: relative;
        }

        .review-quote {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            position: relative;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .review-user-info h4 {
            font-size: 1rem;
            color: var(--dark);
        }

        .review-user-info span {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
        }

        /* 14. 行业资讯 / 知识库 */
        .articles {
            background: var(--white);
        }

        .articles-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .article-card {
            background: var(--light-bg);
            border-radius: 12px;
            padding: 20px;
            text-decoration: none;
            color: var(--dark);
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card:hover {
            transform: translateY(-4px);
            background: var(--white);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--primary-light);
        }

        .article-title {
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 15px;
            color: var(--dark);
        }

        .article-meta {
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 600;
        }

        .article-placeholder {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 20px;
            padding: 10px;
            background: var(--primary-light);
            border-radius: 6px;
        }

        /* 15. 加盟代理 */
        .franchise {
            background: linear-gradient(135deg, var(--primary-light) 0%, #e0f2f1 100%);
            border-radius: 30px;
            padding: 60px 40px;
            text-align: center;
            margin: 60px auto;
            max-width: 1000px;
            border: 1px solid rgba(0,184,148,0.15);
        }

        .franchise-inner h3 {
            font-size: 2rem;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .franchise-inner p {
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 30px;
            font-size: 1.1rem;
        }

        /* 16. 联系我们 & 智能需求匹配 */
        .contact {
            background: var(--light-bg);
        }

        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-info {
            background: var(--white);
            padding: 40px;
            border-radius: 20px;
            box-shadow: var(--card-shadow);
        }

        .contact-item {
            margin-bottom: 30px;
            display: flex;
            gap: 15px;
        }

        .contact-icon {
            font-size: 1.5rem;
            color: var(--primary);
        }

        .contact-text h4 {
            font-size: 1.1rem;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .contact-text p, .contact-text a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.95rem;
        }

        .qr-codes {
            display: flex;
            gap: 30px;
            margin-top: 30px;
        }

        .qr-item {
            text-align: center;
        }

        .qr-item img {
            width: 120px;
            height: 120px;
            border-radius: 8px;
            border: 1px solid #eee;
            margin-bottom: 8px;
        }

        .qr-item p {
            font-size: 0.8rem;
            color: var(--dark);
            font-weight: 500;
        }

        /* 表单样式 */
        .contact-form {
            background: var(--white);
            padding: 40px;
            border-radius: 20px;
            box-shadow: var(--card-shadow);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #e1e8e6;
            border-radius: 8px;
            font-family: inherit;
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.15);
        }

        /* 浮动工具栏 */
        .floating-widget {
            position: fixed;
            bottom: 40px;
            right: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .widget-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--white);
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            color: var(--primary);
            font-size: 1.2rem;
            transition: var(--transition);
            border: 1px solid rgba(0, 184, 148, 0.1);
            position: relative;
        }

        .widget-btn:hover {
            background: var(--primary);
            color: var(--white);
            transform: scale(1.1);
        }

        .widget-btn .qr-popup {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--white);
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 160px;
            border: 1px solid rgba(0, 184, 148, 0.15);
        }

        .widget-btn .qr-popup img {
            width: 130px;
            height: 130px;
            display: block;
            margin-bottom: 8px;
        }

        .widget-btn .qr-popup span {
            font-size: 0.8rem;
            color: var(--dark);
            font-weight: 500;
        }

        .widget-btn:hover .qr-popup {
            display: block;
        }

        /* 页脚 */
        footer {
            background: #1a2f29;
            color: #a4bfa7;
            padding: 80px 0 40px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 60px;
            margin-bottom: 50px;
        }

        .footer-logo {
            margin-bottom: 20px;
        }

        .footer-logo img {
            height: 40px;
            width: auto;
            
        }

        .footer-desc {
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .footer-links h4 {
            color: var(--white);
            font-size: 1.1rem;
            margin-bottom: 20px;
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: #a4bfa7;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 5px;
        }

        .friend-links {
            margin-top: 25px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .friend-links a {
            color: #a4bfa7;
            text-decoration: none;
            background: rgba(255,255,255,0.05);
            padding: 5px 12px;
            border-radius: 4px;
            font-size: 0.8rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .footer-bottom p {
            font-size: 0.8rem;
        }

        /* 移动端响应式 */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.3rem;
            }
            .hero-features {
                grid-template-columns: 1fr;
            }
            .about-grid, .solutions-grid, .contact-layout {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .articles-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .eval-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .steps-flow {
                grid-template-columns: repeat(3, 1fr);
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                border-top: 1px solid #f1f3f5;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .network-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .training-grid, .cases-grid, .articles-grid, .steps-flow, .network-grid {
                grid-template-columns: 1fr;
            }
        }