:root {
            --primary: #4f46e5;
            --primary-light: #818cf8;
            --secondary: #ec4899;
            --accent: #06b6d4;
            --neutral-dark: #0f172a;
            --neutral-light: #f8fafc;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05), 0 0 1px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        /* 重置与基本样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background: linear-gradient(135deg, #f5f8ff 0%, #fbf5f7 100%);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* 布局容器 */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            z-index: 1000;
            box-shadow: 0 1px 10px rgba(0, 0, 0, 0.03);
            border-bottom: 1px solid rgba(255, 255, 255, 0.3);
        }

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

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

        .logo-wrap img {
            height: 2.2rem;
            width: auto;
        }

        .logo-text {
            font-weight: 800;
            font-size: 1.25rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-menu a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 0.25rem 0.5rem;
        }

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

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff !important;
            padding: 0.5rem 1.25rem !important;
            border-radius: 9999px;
            font-size: 0.9rem !important;
            box-shadow: 0 4px 15px rgba(79, 70, 229, 0.2);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(79, 70, 229, 0.3);
        }

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

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

        /* 首屏 Hero - 无图科技感 */
        .hero {
            padding-top: 9rem;
            padding-bottom: 6rem;
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1.25rem;
            background: rgba(79, 70, 229, 0.08);
            border: 1px solid rgba(79, 70, 229, 0.15);
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 2rem;
            animation: pulse 2s infinite;
        }

        .hero h1 {
            font-size: 3.5rem;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 1.5rem;
            color: var(--neutral-dark);
        }

        .hero h1 span {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 2.5rem;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 4rem;
        }

        .btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            padding: 0.85rem 2.5rem;
            border-radius: 9999px;
            font-size: 1.1rem;
            font-weight: 600;
            box-shadow: 0 8px 25px rgba(236, 72, 153, 0.25);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(236, 72, 153, 0.4);
        }

        .btn-secondary {
            display: inline-block;
            background: #fff;
            color: var(--text-main);
            padding: 0.85rem 2.5rem;
            border-radius: 9999px;
            font-size: 1.1rem;
            font-weight: 600;
            border: 1px solid rgba(0, 0, 0, 0.1);
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

        .btn-secondary:hover {
            transform: translateY(-3px);
            border-color: var(--primary-light);
        }

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

        .stat-card {
            background: var(--card-bg);
            padding: 2rem;
            border-radius: 1rem;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            text-align: center;
        }

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

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 0.5rem;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 通用区块头 */
        .section-header {
            text-align: center;
            margin-bottom: 3.5rem;
        }

        .section-header .badge {
            display: inline-block;
            padding: 0.25rem 1rem;
            background: rgba(79, 70, 229, 0.08);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 700;
            border-radius: 9999px;
            margin-bottom: 1rem;
            text-transform: uppercase;
        }

        .section-header h2 {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--neutral-dark);
            margin-bottom: 1rem;
        }

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

        /* 基础区块样式 */
        section {
            padding: 5rem 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.03);
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: var(--neutral-dark);
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 1.25rem;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-top: 2rem;
        }

        .about-feature-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 600;
            color: var(--text-main);
        }

        .about-feature-item svg {
            color: var(--secondary);
            flex-shrink: 0;
        }

        .about-intro-box {
            background: var(--card-bg);
            border-radius: 1.5rem;
            padding: 2.5rem;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(255, 255, 255, 0.8);
        }

        .intro-list-item {
            margin-bottom: 1.5rem;
        }

        .intro-list-item:last-child {
            margin-bottom: 0;
        }

        .intro-list-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.25rem;
        }

        .intro-list-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 全平台 AIGC 服务 (大模型支持) */
        .models-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.75rem;
            max-width: 1000px;
            margin: 0 auto;
        }

        .model-tag {
            padding: 0.6rem 1.25rem;
            background: #fff;
            border: 1px solid rgba(0, 0, 0, 0.05);
            border-radius: 9999px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-main);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
        }

        .model-tag:hover {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-color: transparent;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(6, 182, 212, 0.2);
        }

        /* 一站式 AIGC 制作 (主打场景) */
        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
        }

        .scene-card {
            background: #fff;
            padding: 2.25rem 2rem;
            border-radius: 1.25rem;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.02);
        }

        .scene-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px -5px rgba(79, 70, 229, 0.1);
        }

        .scene-icon {
            width: 3.5rem;
            height: 3.5rem;
            border-radius: 1rem;
            background: rgba(79, 70, 229, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 1.5rem;
        }

        .scene-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .scene-card p {
            color: var(--text-muted);
            font-size: 0.925rem;
        }

        /* 全行业解决方案 与 服务网络 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .solution-card {
            background: var(--card-bg);
            border-radius: 1.25rem;
            padding: 2rem;
            box-shadow: var(--card-shadow);
            border-top: 4px solid var(--primary);
        }

        .solution-card:nth-child(2n) {
            border-top-color: var(--secondary);
        }

        .solution-card:nth-child(3n) {
            border-top-color: var(--accent);
        }

        .solution-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .solution-card ul {
            list-style: none;
        }

        .solution-card li {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        /* 步骤与流程 */
        .steps-container {
            position: relative;
            display: flex;
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        .step-item {
            flex: 1;
            min-width: 160px;
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 3rem;
            height: 3rem;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.25rem;
            margin: 0 auto 1.25rem;
            box-shadow: 0 4px 10px rgba(79, 70, 229, 0.2);
        }

        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

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

        /* 案例展示 - 轮播或图文网格 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .case-card {
            background: #fff;
            border-radius: 1.25rem;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

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

        .case-img-wrap {
            position: relative;
            overflow: hidden;
            background: #f1f5f9;
        }

        .case-img-wrap img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .case-info {
            padding: 1.5rem;
        }

        .case-info h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .case-info p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 对比评测 */
        .rating-box {
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.02) 0%, rgba(236, 72, 153, 0.02) 100%);
            border: 1px solid rgba(79, 70, 229, 0.08);
            border-radius: 1.5rem;
            padding: 3rem 2rem;
            margin-bottom: 3rem;
            text-align: center;
        }

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

        .rating-stars {
            color: #fbbf24;
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 1rem;
            box-shadow: var(--card-shadow);
            background: #fff;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        .comparison-table th, .comparison-table td {
            padding: 1.25rem 1.5rem;
            border-bottom: 1px solid #f1f5f9;
        }

        .comparison-table th {
            background: #f8fafc;
            font-weight: 700;
            color: var(--neutral-dark);
        }

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

        .comparison-table tr:hover td {
            background: #fafbff;
        }

        .text-high {
            color: var(--secondary);
            font-weight: 700;
        }

        /* 需求匹配与表单 */
        .form-section-inner {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 4rem;
            align-items: center;
        }

        .form-info h3 {
            font-size: 1.75rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
        }

        .form-info p {
            color: var(--text-muted);
            margin-bottom: 2rem;
        }

        .contact-info-list {
            list-style: none;
        }

        .contact-info-list li {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.25rem;
            font-weight: 600;
        }

        .contact-info-list .icon {
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 50%;
            background: rgba(79, 70, 229, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
        }

        .form-container-card {
            background: #fff;
            padding: 2.5rem;
            border-radius: 1.5rem;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(0, 0, 0, 0.02);
        }

        .form-group {
            margin-bottom: 1.25rem;
        }

        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--neutral-dark);
        }

        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid #e2e8f0;
            border-radius: 0.5rem;
            background: #f8fafc;
            color: var(--text-main);
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-light);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }

        .btn-submit {
            width: 100%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            padding: 0.85rem;
            border: none;
            border-radius: 0.5rem;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(236, 72, 153, 0.2);
            transition: var(--transition);
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(236, 72, 153, 0.3);
        }

        /* 培训中心 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .training-card {
            background: #fff;
            border-radius: 1.25rem;
            padding: 2.25rem 2rem;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(0, 0, 0, 0.02);
            position: relative;
            overflow: hidden;
        }

        .training-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .training-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--neutral-dark);
        }

        .training-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }

        .badge-cert {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            background: rgba(6, 182, 212, 0.08);
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: 4px;
        }

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

        .faq-item {
            background: #fff;
            border-radius: 0.75rem;
            margin-bottom: 1rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.01), 0 2px 4px -1px rgba(0, 0, 0, 0.01);
            border: 1px solid #f1f5f9;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 1.25rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            color: var(--neutral-dark);
        }

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

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: #fafbfc;
        }

        .faq-content {
            padding: 1.25rem 1.5rem;
            font-size: 0.95rem;
            color: var(--text-muted);
            border-top: 1px solid #f1f5f9;
        }

        .faq-item.active .faq-body {
            max-height: 200px; /* 大致估算高度，由JS控制 */
        }

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

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

        .review-card {
            background: #fff;
            padding: 2rem;
            border-radius: 1.25rem;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(0, 0, 0, 0.01);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-text {
            font-size: 0.95rem;
            color: var(--text-main);
            margin-bottom: 1.5rem;
            font-style: italic;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .user-avatar-placeholder {
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .user-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--neutral-dark);
        }

        .user-info p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 最新文章 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 1.5rem;
        }

        .article-card {
            background: #fff;
            border-radius: 1rem;
            padding: 1.5rem;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(0,0,0,0.02);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            line-height: 1.4;
        }

        .article-link {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .article-link:hover {
            color: var(--secondary);
        }

        /* 加盟代理 */
        .agent-box {
            background: linear-gradient(135deg, var(--neutral-dark) 0%, #1e1b4b 100%);
            border-radius: 1.5rem;
            padding: 3.5rem;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .agent-box h3 {
            font-size: 2.25rem;
            font-weight: 800;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .agent-box p {
            color: #94a3b8;
            max-width: 600px;
            margin: 0 auto 2.5rem;
            font-size: 1.1rem;
        }

        /* 页脚 */
        footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 5rem 0 2rem;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 3rem;
            margin-bottom: 4rem;
        }

        .footer-brand img {
            height: 2.5rem;
            margin-bottom: 1.5rem;
        }

        .footer-brand p {
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }

        .footer-links-title {
            color: #f8fafc;
            font-weight: 700;
            margin-bottom: 1.5rem;
            font-size: 1rem;
        }

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

        .footer-links li {
            margin-bottom: 0.75rem;
        }

        .footer-links a {
            color: #94a3b8;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-qr {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .footer-qr img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            background: #fff;
            padding: 4px;
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1rem;
            font-size: 0.8rem;
        }

        .friend-links a {
            color: #64748b;
        }

        .friend-links a:hover {
            color: #94a3b8;
        }

        /* 浮动客服 */
        .floating-contact {
            position: fixed;
            right: 2rem;
            bottom: 2rem;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .float-item {
            width: 3.5rem;
            height: 3.5rem;
            background: #fff;
            border-radius: 50%;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            color: var(--primary);
        }

        .float-item:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .float-qr-box {
            position: absolute;
            right: 4.5rem;
            bottom: 0;
            background: #fff;
            padding: 1rem;
            border-radius: 1rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 160px;
        }

        .float-qr-box img {
            width: 120px;
            height: 120px;
            margin-bottom: 0.5rem;
        }

        .float-qr-box p {
            font-size: 0.75rem;
            color: var(--text-main);
        }

        .float-item:hover .float-qr-box {
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.75rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .solutions-grid {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 4.5rem;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 1.5rem;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
                border-top: 1px solid #f1f5f9;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2.25rem;
            }
            .form-section-inner {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @keyframes pulse {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.9;
                transform: scale(1.02);
            }
        }