:root {
            --primary: #7C3AED;
            --secondary: #EC4899;
            --accent: #F59E0B;
            --dark: #0F172A;
            --light-bg: #F8FAFC;
            --border-color: #E2E8F0;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --gradient: linear-gradient(135deg, #7C3AED 0%, #EC4899 100%);
            --gradient-hover: linear-gradient(135deg, #6D28D9 0%, #DB2777 100%);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
            --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
            --shadow-lg: 0 20px 25px -5px rgba(124, 58, 237, 0.1), 0 10px 10px -5px rgba(236, 72, 153, 0.05);
        }

        * {
            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(--text-main);
            background-color: #FFFFFF;
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--dark);
            font-weight: 800;
            font-size: 20px;
        }

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .nav-menu {
            display: flex;
            gap: 24px;
            list-style: none;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--text-main);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }

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

        .nav-btns {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            border-radius: 99px;
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--gradient);
            color: #FFFFFF;
            box-shadow: var(--shadow-sm);
        }

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

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

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

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }

        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--dark);
            transition: var(--transition);
        }

        /* Hero首屏 - 艳色潮流风无图设计 */
        .hero {
            padding-top: 160px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
                        var(--light-bg);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -10%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 300px;
            background: var(--gradient);
            filter: blur(150px);
            opacity: 0.15;
            pointer-events: none;
        }

        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(124, 58, 237, 0.1);
            color: var(--primary);
            border-radius: 99px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 1px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--dark);
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        .hero h1 span {
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 760px;
            margin: 0 auto 40px;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* 数据指标卡片 */
        .stats-section {
            padding: 60px 0;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            background: #FFFFFF;
            padding: 30px 24px;
            border-radius: 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 通用区块样式 */
        .section-title-wrap {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-tag {
            font-size: 14px;
            color: var(--secondary);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
            display: block;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--dark);
        }

        .section-desc {
            color: var(--text-muted);
            max-width: 600px;
            margin: 16px auto 0;
            font-size: 16px;
        }

        section {
            padding: 100px 0;
        }

        .bg-light {
            background-color: var(--light-bg);
        }

        /* 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-img-wrap {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .about-img-wrap img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }

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

        .about-info h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .about-info p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 16px;
            line-height: 1.8;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .about-feat-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            color: var(--dark);
        }

        .about-feat-item::before {
            content: '✓';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: rgba(16, 185, 129, 0.1);
            color: #10B981;
            border-radius: 50%;
            font-size: 12px;
        }

        /* 服务能力卡片 - 全平台 AIGC 服务 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: #FFFFFF;
            padding: 40px 30px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient);
            opacity: 0;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .service-card:hover::after {
            opacity: 1;
        }

        .service-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(124, 58, 237, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 24px;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.6;
        }

        /* 标签云展示 AI 平台 */
        .tag-cloud-wrap {
            margin-top: 50px;
            padding: 30px;
            background: #FFFFFF;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            text-align: center;
        }

        .tag-cloud-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .tag-item {
            padding: 6px 14px;
            background: var(--light-bg);
            border-radius: 99px;
            font-size: 13px;
            color: var(--text-main);
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

        .tag-item:hover {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }

        /* 一站式AIGC制作与案例展示 */
        .creation-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .creation-scenes {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .scene-card {
            background: var(--light-bg);
            padding: 24px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .scene-card:hover {
            background: #FFFFFF;
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .scene-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .scene-card p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 流程步骤 */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 60px;
            height: 60px;
            background: var(--gradient);
            color: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            margin: 0 auto 20px;
            box-shadow: var(--shadow-md);
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            background: #FFFFFF;
            border-radius: 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        .comparison-table th, 
        .comparison-table td {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-color);
        }

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

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

        .comparison-table .highlight {
            background-color: rgba(124, 58, 237, 0.03);
            font-weight: 600;
            color: var(--primary);
        }

        .badge-star {
            color: var(--accent);
            font-size: 16px;
        }

        /* 需求匹配与价格参考 */
        .match-calc-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .match-card, .price-card {
            background: #FFFFFF;
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .match-card h3, .price-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--dark);
        }

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

        .price-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
            border-bottom: 1px dashed var(--border-color);
        }

        .price-item:last-child {
            border-bottom: none;
        }

        .price-name {
            font-weight: 600;
        }

        .price-val {
            color: var(--secondary);
            font-weight: 700;
        }

        /* 培训中心 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .training-card {
            background: #FFFFFF;
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .training-info {
            padding: 30px;
        }

        .training-tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(245, 158, 11, 0.1);
            color: var(--accent);
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .training-info h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .training-info p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
        }

        /* 最新文章与知识库 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .article-card {
            background: #FFFFFF;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            padding: 30px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .article-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .article-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .article-card h3 a {
            color: var(--dark);
            text-decoration: none;
            transition: var(--transition);
        }

        .article-card h3 a:hover {
            color: var(--primary);
        }

        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
            margin-top: 20px;
        }

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

        .review-card {
            background: #FFFFFF;
            padding: 30px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .review-rating {
            color: var(--accent);
            margin-bottom: 16px;
        }

        .review-text {
            font-size: 15px;
            color: var(--text-main);
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .author-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--light-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            border: 2px solid var(--border-color);
        }

        .author-info h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
        }

        .author-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* FAQ折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #FFFFFF;
            border-radius: 16px;
            margin-bottom: 16px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: var(--light-bg);
        }

        .faq-answer-content {
            padding: 20px 24px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            border-top: 1px solid var(--border-color);
        }

        .faq-icon {
            transition: var(--transition);
            font-size: 18px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        /* 排查与百科 */
        .troubleshoot-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .troubleshoot-card, .wiki-card {
            background: #FFFFFF;
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
        }

        .troubleshoot-card h3, .wiki-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--dark);
        }

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

        .wiki-item {
            margin-bottom: 20px;
        }

        .wiki-term {
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .wiki-def {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 加盟代理与转化 */
        .agency-section {
            background: var(--gradient);
            color: #FFFFFF;
            border-radius: 32px;
            padding: 80px 60px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .agency-section h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .agency-section p {
            font-size: 18px;
            max-width: 700px;
            margin: 0 auto 40px;
            opacity: 0.9;
        }

        .agency-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 40px;
        }

        .agency-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            padding: 30px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            text-align: left;
        }

        .agency-card h4 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .agency-card p {
            font-size: 14px;
            margin: 0;
            opacity: 0.8;
            line-height: 1.6;
        }

        /* 联系我们表单 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 60px;
            align-items: start;
        }

        .contact-info-wrap {
            padding-right: 40px;
        }

        .contact-details {
            margin-top: 30px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 24px;
        }

        .contact-icon {
            width: 48px;
            height: 48px;
            background: var(--light-bg);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            border: 1px solid var(--border-color);
        }

        .contact-text h4 {
            font-size: 14px;
            color: var(--text-muted);
        }

        .contact-text p {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
        }

        .qr-codes {
            display: flex;
            gap: 24px;
            margin-top: 40px;
        }

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

        .qr-item img {
            width: 120px;
            height: 120px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            margin-bottom: 8px;
        }

        .qr-item p {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-main);
        }

        .contact-form-card {
            background: #FFFFFF;
            padding: 40px;
            border-radius: 24px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
        }

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

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            font-size: 15px;
            color: var(--dark);
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
        }

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

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: #FFFFFF;
            padding: 80px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 60px;
            margin-bottom: 30px;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            margin-top: 16px;
            line-height: 1.8;
        }

        .footer-links h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
        }

        .footer-links h4::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--gradient);
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

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

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .friend-links a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 13px;
            background: rgba(255, 255, 255, 0.05);
            padding: 6px 12px;
            border-radius: 6px;
            transition: var(--transition);
        }

        .friend-links a:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.15);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
        }

        .footer-bottom a:hover {
            color: #FFFFFF;
        }

        /* 浮动客服 */
        .float-widget {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: #FFFFFF;
            border-radius: 50%;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
            background: var(--primary);
            color: #FFFFFF;
        }

        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .float-btn-primary {
            background: var(--gradient);
            color: #FFFFFF;
        }

        .float-qr-pop {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #FFFFFF;
            padding: 16px;
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
            display: none;
            text-align: center;
            width: 150px;
        }

        .float-qr-pop img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }

        .float-qr-pop p {
            font-size: 12px;
            color: var(--dark);
            margin: 0;
            font-weight: 600;
        }

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

        /* 响应式样式适配 */
        @media (max-width: 1024px) {
            .stats-grid, .services-grid, .training-grid, .articles-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .creation-grid, .match-calc-grid, .troubleshoot-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .about-info-wrap {
                order: -1;
            }
            .contact-info-wrap {
                padding-right: 0;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                border-bottom: 1px solid var(--border-color);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                box-shadow: var(--shadow-md);
            }

            .nav-menu.active {
                display: flex;
            }

            .menu-toggle {
                display: flex;
            }

            .nav-btns {
                display: none;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .stats-grid, .process-steps, .agency-grid {
                grid-template-columns: 1fr;
            }

            .process-step::after {
                display: none;
            }

            .agency-section {
                padding: 40px 20px;
            }
        }

        @media (max-width: 480px) {
            .services-grid, .training-grid, .articles-grid, .reviews-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .qr-codes {
                flex-direction: column;
                align-items: center;
            }
        }