/* CSS Reset */
        *, *::before, *::after {
            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: #2D3748;
            background-color: #FAFAFA;
            line-height: 1.6;
        }
        body {
            overflow-x: hidden;
        }

        /* 核心配色：亮橙炽艳风 */
        :root {
            --primary: #FF5A00;
            --primary-hover: #E04F00;
            --primary-light: #FFF0E6;
            --accent: #FF3C00;
            --dark: #1A1D20;
            --gray-100: #F7FAFC;
            --gray-200: #EDF2F7;
            --gray-300: #E2E8F0;
            --gray-600: #4A5568;
            --gray-700: #2D3748;
            --shadow: 0 4px 20px rgba(255, 90, 0, 0.08);
            --shadow-hover: 0 10px 30px rgba(255, 90, 0, 0.15);
            --container-width: 1200px;
        }

        /* 全局公用容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .section-padding {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            color: var(--dark);
            margin-bottom: 15px;
            font-weight: 800;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            margin: 10px auto 0;
            border-radius: 2px;
        }
        .section-header p {
            color: var(--gray-600);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #FFFFFF;
            box-shadow: 0 4px 15px rgba(255, 90, 0, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 90, 0, 0.4);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-hover);
        }

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            z-index: 1000;
            height: 70px;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo-box {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ai-page-logo {
            height: 40px;
            width: auto;
        }
        .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
        }
        .nav-link {
            text-decoration: none;
            color: var(--gray-700);
            font-weight: 500;
            transition: color 0.3s;
            font-size: 0.95rem;
        }
        .nav-link:hover, .ai-page-home-link:hover {
            color: var(--primary);
        }
        .ai-page-home-link {
            text-decoration: none;
            color: var(--primary);
            font-weight: 700;
        }
        .nav-btn-box {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* 首页 Hero 区域 (无图片) */
        .hero-section {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(255,90,0,0.08) 0%, transparent 50%),
                        linear-gradient(180deg, #FFFFFF 0%, #FFF5EF 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -10%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255,60,0,0.05) 0%, transparent 70%);
            border-radius: 50%;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background-color: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: 30px;
            margin-bottom: 25px;
            border: 1px solid rgba(255, 90, 0, 0.2);
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        .hero-section h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.25;
            margin-bottom: 25px;
        }
        .hero-section h1 span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 1.25rem;
            color: var(--gray-600);
            max-width: 800px;
            margin: 0 auto 40px;
        }
        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
        }

        /* 2. 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        .stat-card {
            background: #FFFFFF;
            padding: 25px 20px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(255,90,0,0.05);
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--gray-600);
            font-weight: 500;
        }

        /* 3. 关于我们 */
        .about-section {
            background: #FFFFFF;
        }
        .about-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            align-items: center;
        }
        .about-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--dark);
        }
        .about-content p {
            color: var(--gray-600);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }
        .about-features {
            list-style: none;
        }
        .about-features li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 12px;
            font-weight: 500;
            color: var(--gray-700);
        }
        .about-features li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
        }
        .about-info-card {
            background: var(--gray-100);
            border-left: 5px solid var(--primary);
            padding: 30px;
            border-radius: 0 12px 12px 0;
        }
        .about-info-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

        /* 4. 全平台AIGC服务 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .service-card {
            background: #FFFFFF;
            padding: 35px 25px;
            border-radius: 16px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(0,0,0,0.02);
            transition: all 0.3s ease;
        }
        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 90, 0, 0.2);
        }
        .service-icon {
            width: 50px;
            height: 50px;
            background: var(--primary-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.5rem;
            font-weight: bold;
            margin-bottom: 20px;
        }
        .service-card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .service-card p {
            color: var(--gray-600);
            font-size: 0.95rem;
            margin-bottom: 15px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .tag {
            font-size: 0.75rem;
            padding: 2px 8px;
            background: var(--gray-100);
            color: var(--gray-700);
            border-radius: 4px;
            border: 1px solid var(--gray-200);
        }

        /* 5. 一站式AIGC制作 */
        .creation-section {
            background: #FFFFFF;
        }
        .creation-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .creation-card {
            background: var(--gray-100);
            border-radius: 16px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--gray-200);
            transition: all 0.3s ease;
        }
        .creation-card:hover {
            box-shadow: var(--shadow);
            border-color: var(--primary-light);
        }
        .creation-body {
            padding: 30px;
        }
        .creation-body h3 {
            font-size: 1.4rem;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .creation-body p {
            color: var(--gray-600);
            margin-bottom: 20px;
        }
        .creation-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 20px;
        }
        .creation-features span {
            font-size: 0.9rem;
            color: var(--gray-700);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .creation-features span::before {
            content: "◆";
            color: var(--primary);
            font-size: 0.8rem;
        }

        /* 6. 全行业解决方案 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .solution-card {
            background: #FFFFFF;
            border-radius: 12px;
            padding: 30px;
            box-shadow: var(--shadow);
            transition: transform 0.3s;
        }
        .solution-card:hover {
            transform: translateY(-5px);
        }
        .solution-card h3 {
            color: var(--dark);
            margin-bottom: 15px;
            font-size: 1.25rem;
        }
        .solution-card p {
            color: var(--gray-600);
            font-size: 0.95rem;
        }

        /* 7. 全国服务网络 */
        .network-section {
            background: #FFFFFF;
        }
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .network-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }
        .network-item {
            background: var(--gray-100);
            padding: 15px 20px;
            border-radius: 8px;
            font-weight: 600;
            color: var(--dark);
            border-left: 4px solid var(--primary);
        }

        /* 8. 标准化AIGC流程 */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-card {
            background: #FFFFFF;
            padding: 30px 20px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .process-step {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin: 0 auto 15px;
        }
        .process-card h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--dark);
        }
        .process-card p {
            font-size: 0.9rem;
            color: var(--gray-600);
        }

        /* 9. 技术标准 */
        .standards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
            margin-top: 40px;
        }
        .standard-item {
            background: var(--gray-100);
            padding: 25px;
            border-radius: 12px;
            border-top: 4px solid var(--accent);
        }
        .standard-item h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--dark);
        }
        .standard-item p {
            color: var(--gray-600);
            font-size: 0.95rem;
        }

        /* 10. 客户案例中心 */
        .cases-section {
            background: #FFFFFF;
        }
        .cases-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 20px;
        }
        .case-card {
            border-radius: 16px;
            overflow: hidden;
            background: var(--gray-100);
            border: 1px solid var(--gray-200);
            box-shadow: var(--shadow);
            transition: transform 0.3s;
        }
        .case-card:hover {
            transform: translateY(-5px);
        }
        .case-img-box {
            width: 100%;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .case-img-box img {
            width: 100%;
            height: auto;
            object-fit: cover;
            display: block;
        }
        .case-info {
            padding: 20px;
        }
        .case-info h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            color: var(--dark);
        }
        .case-info p {
            font-size: 0.9rem;
            color: var(--gray-600);
        }

        /* 11. 对比评测 */
        .compare-section {
            background: var(--gray-100);
        }
        .compare-header-flex {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            background: #FFFFFF;
            padding: 20px 30px;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .score-box {
            text-align: right;
        }
        .score-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
        }
        .score-stars {
            color: #FFB800;
            font-size: 1.2rem;
        }
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            background: #FFFFFF;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }
        .compare-table th, .compare-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--gray-200);
        }
        .compare-table th {
            background-color: var(--dark);
            color: #FFFFFF;
            font-weight: 600;
        }
        .compare-table tr:hover {
            background-color: var(--gray-100);
        }
        .highlight-col {
            color: var(--primary);
            font-weight: 700;
        }

        /* 12. Token比价参考 */
        .token-section {
            background: #FFFFFF;
        }
        .token-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .token-card {
            background: var(--gray-100);
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--gray-200);
        }
        .token-card h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: var(--dark);
        }
        .price-list {
            list-style: none;
        }
        .price-item {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px dashed var(--gray-300);
        }
        .price-item:last-child {
            border-bottom: none;
        }
        .price-item span:first-child {
            font-weight: 600;
        }
        .price-val {
            color: var(--primary);
            font-weight: 700;
        }

        /* 13. 职业技术培训 & 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .training-card {
            background: #FFFFFF;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid rgba(0,0,0,0.02);
            transition: all 0.3s;
        }
        .training-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }
        .training-header {
            background: linear-gradient(135deg, var(--dark) 0%, #2D3748 100%);
            padding: 25px;
            color: #FFFFFF;
            text-align: center;
        }
        .training-header h3 {
            font-size: 1.25rem;
            margin-bottom: 5px;
        }
        .cert-badge {
            display: inline-block;
            background: var(--primary);
            font-size: 0.75rem;
            padding: 2px 10px;
            border-radius: 20px;
            color: #FFFFFF;
            font-weight: bold;
        }
        .training-body {
            padding: 25px;
        }
        .training-body ul {
            list-style: none;
            margin-bottom: 20px;
        }
        .training-body ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--gray-200);
            font-size: 0.9rem;
            color: var(--gray-600);
        }

        /* 14. 常见用户问题 FAQ */
        .faq-section {
            background: #FFFFFF;
        }
        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            margin-bottom: 15px;
            border: 1px solid var(--gray-200);
            border-radius: 8px;
            background: #FFFFFF;
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 20px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background-color 0.3s;
        }
        .faq-question:hover {
            background-color: var(--gray-100);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: var(--gray-100);
        }
        .faq-answer-inner {
            padding: 20px;
            color: var(--gray-600);
            font-size: 0.95rem;
            border-top: 1px solid var(--gray-200);
        }
        .faq-question::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: bold;
            color: var(--primary);
            transition: transform 0.3s;
        }
        .faq-item.active .faq-question::after {
            content: '−';
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
        }

        /* 自助排查 & 术语百科 */
        .help-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            margin-top: 50px;
        }
        .troubleshoot-box, .encyclopedia-box {
            background: var(--gray-100);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--gray-200);
        }
        .help-title {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--dark);
            border-left: 4px solid var(--primary);
            padding-left: 10px;
        }
        .step-list, .term-list {
            list-style: none;
        }
        .step-item, .term-item {
            margin-bottom: 15px;
        }
        .step-item h5, .term-item h5 {
            font-size: 1rem;
            color: var(--dark);
            margin-bottom: 5px;
            font-weight: 700;
        }
        .step-item p, .term-item p {
            font-size: 0.9rem;
            color: var(--gray-600);
        }

        /* 15. 客户评论卡片 */
        .comments-section {
            background: var(--gray-100);
        }
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .comment-card {
            background: #FFFFFF;
            padding: 30px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            position: relative;
        }
        .comment-card::before {
            content: "“";
            font-size: 5rem;
            color: rgba(255, 90, 0, 0.08);
            position: absolute;
            top: -10px;
            left: 20px;
            font-family: Georgia, serif;
        }
        .comment-text {
            color: var(--gray-600);
            font-size: 0.95rem;
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
        }
        .comment-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        .user-info h4 {
            font-size: 0.95rem;
            color: var(--dark);
            font-weight: 700;
        }
        .user-info span {
            font-size: 0.8rem;
            color: var(--gray-600);
        }

        /* 16. 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .news-card {
            background: #FFFFFF;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--gray-200);
            display: flex;
            flex-direction: column;
        }
        .news-body {
            padding: 25px;
            flex-grow: 1;
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 10px;
            display: block;
        }
        .news-body h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--dark);
        }
        .news-body h3 a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s;
        }
        .news-body h3 a:hover {
            color: var(--primary);
        }
        .news-body p {
            font-size: 0.9rem;
            color: var(--gray-600);
            margin-bottom: 15px;
        }
        .news-link {
            font-size: 0.9rem;
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .news-link:hover {
            text-decoration: underline;
        }

        /* 17. 智能需求匹配 + 联系我们 + 加盟代理 */
        .contact-section {
            background: #FFFFFF;
        }
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }
        .contact-info-box {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .contact-details {
            margin-bottom: 30px;
        }
        .contact-details h3 {
            font-size: 1.6rem;
            margin-bottom: 20px;
            color: var(--dark);
        }
        .contact-item {
            margin-bottom: 15px;
            font-size: 1.05rem;
            color: var(--gray-700);
        }
        .contact-item strong {
            color: var(--dark);
        }
        .qr-codes {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        .qr-card {
            background: var(--gray-100);
            padding: 15px;
            border-radius: 8px;
            text-align: center;
            border: 1px solid var(--gray-200);
        }
        .qr-card img {
            width: 120px;
            height: 120px;
            margin: 0 auto 10px;
            display: block;
            border-radius: 4px;
        }
        .qr-card p {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--dark);
        }

        .form-box {
            background: var(--gray-100);
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--gray-200);
        }
        .form-box h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--dark);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--dark);
            font-size: 0.95rem;
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid var(--gray-300);
            background: #FFFFFF;
            font-size: 1rem;
            color: var(--dark);
            transition: border-color 0.3s;
        }
        .form-control:focus {
            border-color: var(--primary);
            outline: none;
        }
        textarea.form-control {
            height: 120px;
            resize: none;
        }

        /* 友情链接与页脚 */
        footer {
            background: var(--dark);
            color: #E2E8F0;
            padding: 60px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 1.4rem;
            color: #FFFFFF;
            margin-bottom: 15px;
        }
        .footer-brand p {
            color: #A0AEC0;
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .footer-links-box h4 {
            color: #FFFFFF;
            font-size: 1.1rem;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #A0AEC0;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.9rem;
            color: #A0AEC0;
            flex-wrap: wrap;
            gap: 15px;
        }
        .footer-bottom p {
            margin: 0;
        }
        .friend-links {
            background: rgba(255,255,255,0.05);
            padding: 15px 20px;
            border-radius: 8px;
            font-size: 0.85rem;
            color: #A0AEC0;
            line-height: 2;
        }
        .friend-links a {
            color: #A0AEC0;
            text-decoration: none;
            margin-right: 15px;
            transition: color 0.3s;
        }
        .friend-links a:hover {
            color: var(--primary);
        }

        /* 浮动客服 */
        .floating-kf {
            position: fixed;
            right: 25px;
            bottom: 25px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .kf-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            cursor: pointer;
            position: relative;
            font-weight: bold;
            font-size: 1.3rem;
            transition: transform 0.3s;
        }
        .kf-btn:hover {
            transform: scale(1.1);
        }
        .kf-qr-box {
            position: absolute;
            right: 65px;
            bottom: 0;
            background: #FFFFFF;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            width: 150px;
            text-align: center;
        }
        .kf-qr-box img {
            width: 120px;
            height: 120px;
            display: block;
            margin-bottom: 8px;
        }
        .kf-qr-box p {
            font-size: 0.8rem;
            color: var(--dark);
            margin: 0;
        }
        .kf-btn:hover .kf-qr-box {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #FFFFFF;
            color: var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            cursor: pointer;
            font-size: 1.2rem;
            font-weight: bold;
            transition: all 0.3s;
            border: 1px solid var(--gray-200);
        }
        .back-to-top:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid, .services-grid, .solution-grid, .process-grid, .training-grid, .comments-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-grid {
                grid-template-columns: 1fr 1fr;
            }
            .about-grid, .network-grid, .token-grid, .help-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-menu {
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                padding: 20px;
                gap: 15px;
                box-shadow: 0 4px 10px rgba(0,0,0,0.05);
                display: none;
            }
            .nav-menu.active {
                display: flex;
            }
            .hero-section h1 {
                font-size: 2.1rem;
            }
            .stats-grid, .services-grid, .solution-grid, .process-grid, .training-grid, .comments-grid, .news-grid, .cases-grid {
                grid-template-columns: 1fr;
            }
            .hero-cta {
                flex-direction: column;
                align-items: center;
            }
            .hero-cta .btn {
                width: 100%;
                max-width: 300px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }