:root {
            --primary: #0052FF;
            --primary-light: #00C6FF;
            --secondary: #00E5A3;
            --accent: #7000FF;
            --dark: #0F172A;
            --light: #F8FAFC;
            --border: #E2E8F0;
            --text-muted: #64748B;
            --card-shadow: 0 10px 30px -5px rgba(0, 82, 255, 0.08);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: #FFFFFF;
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .logo-container {
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

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

        nav ul {
            display: flex;
            list-style: none;
            gap: 20px;
            align-items: center;
        }

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

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

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff !important;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            box-shadow: 0 4px 10px rgba(0, 82, 255, 0.2);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(0, 82, 255, 0.3);
        }

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

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

        /* Hero首屏 - 无图片设计，极致鲜亮 */
        .hero {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(0, 229, 163, 0.1) 0%, rgba(255, 255, 255, 1) 70%),
                        radial-gradient(circle at 10% 80%, rgba(112, 0, 255, 0.08) 0%, rgba(255, 255, 255, 1) 70%);
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(0, 82, 255, 0.06);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 24px;
            border: 1px solid rgba(0, 82, 255, 0.15);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.03); }
            100% { transform: scale(1); }
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 850;
            line-height: 1.2;
            letter-spacing: -1px;
            color: var(--dark);
            margin-bottom: 20px;
        }

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

        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

        .hero-btns {
            display: flex;
            gap: 15px;
            justify-content: center;
            margin-bottom: 50px;
        }

        .btn {
            display: inline-block;
            text-decoration: none;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #FFFFFF;
            box-shadow: 0 10px 25px rgba(112, 0, 255, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(112, 0, 255, 0.35);
        }

        .btn-secondary {
            background: #FFFFFF;
            color: var(--dark);
            border: 2px solid var(--border);
        }

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

        /* 快捷亮点展示 */
        .hero-features {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .feat-item {
            background: rgba(255, 255, 255, 0.85);
            padding: 24px;
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

        .feat-item:hover {
            transform: translateY(-5px);
            border-color: var(--primary-light);
        }

        .feat-item h3 {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .feat-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        /* 通用区块设置 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid #F1F5F9;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

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

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1rem;
        }

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

        .bullet-list li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            font-weight: 550;
            color: var(--dark);
        }

        .bullet-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--secondary);
            font-weight: bold;
        }

        .about-visual {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.05), rgba(112, 0, 255, 0.05));
            border-radius: 24px;
            padding: 40px;
            border: 1px solid rgba(0, 82, 255, 0.1);
        }

        .model-list-wrapper {
            margin-top: 15px;
        }

        .model-badge {
            display: inline-block;
            background: #FFFFFF;
            border: 1px solid var(--border);
            padding: 6px 12px;
            border-radius: 8px;
            margin: 4px;
            font-size: 0.85rem;
            font-weight: 550;
            color: var(--dark);
            box-shadow: 0 2px 4px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .model-badge:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

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

        .service-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 30px;
            transition: var(--transition);
            box-shadow: var(--card-shadow);
        }

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

        .service-icon {
            font-size: 2rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            color: var(--dark);
        }

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

        /* 一站式AIGC制作场景 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scene-card {
            background: var(--light);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .scene-card:hover {
            background: #FFFFFF;
            border-color: var(--secondary);
            transform: scale(1.03);
            box-shadow: var(--card-shadow);
        }

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

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

        /* 全行业解决方案与网络 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .solution-card {
            padding: 30px;
            border-radius: 20px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }

        .solution-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            z-index: 2;
        }

        .solution-card h3 {
            margin-bottom: 15px;
            font-size: 1.3rem;
            color: var(--dark);
        }

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

        /* 时间线、步骤条与标准化流程 */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 30px;
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 20px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
        }

        .timeline-item {
            position: relative;
            padding-left: 60px;
        }

        .timeline-badge {
            position: absolute;
            left: 10px;
            top: 4px;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--primary);
            border: 4px solid #FFFFFF;
            box-shadow: 0 0 0 4px rgba(0, 82, 255, 0.15);
        }

        .timeline-content {
            background: #FFFFFF;
            border: 1px solid var(--border);
            padding: 20px;
            border-radius: 12px;
            box-shadow: var(--card-shadow);
        }

        .timeline-content h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--dark);
        }

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

        /* 案例中心 - 图片展示 */
        .case-gallery {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .case-card {
            background: #FFFFFF;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .case-image-wrapper {
            position: relative;
            overflow: hidden;
            background: #F1F5F9;
            height: 220px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

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

        .case-info {
            padding: 20px;
        }

        .case-info h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--dark);
        }

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

        /* 对比评测 */
        .evaluation-table-wrapper {
            overflow-x: auto;
            margin-top: 30px;
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--card-shadow);
        }

        table.evaluation-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background: #FFFFFF;
            min-width: 700px;
        }

        .evaluation-table th, .evaluation-table td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border);
            font-size: 0.95rem;
        }

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

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

        .badge-score {
            display: inline-block;
            background: linear-gradient(135deg, #FF9900, #FF5500);
            color: #FFFFFF;
            padding: 4px 10px;
            border-radius: 8px;
            font-weight: bold;
            font-size: 0.9rem;
        }

        .recommend-stars {
            color: #FF9900;
            font-size: 1.2rem;
            font-weight: bold;
        }

        /* Token 比价 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .token-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }

        .token-card h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .token-price {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .token-unit {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 智能需求匹配与表单 */
        .form-section-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .form-intro h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            color: var(--dark);
        }

        .form-intro p {
            color: var(--text-muted);
            margin-bottom: 25px;
        }

        .feedback-stats {
            display: flex;
            gap: 30px;
        }

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

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .form-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 20px 40px -10px rgba(0, 82, 255, 0.05);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 10px;
            font-size: 0.95rem;
            color: var(--dark);
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.1);
        }

        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            background-size: 16px;
        }

        /* 培训认证板块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background: var(--light);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            background: #FFFFFF;
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: var(--card-shadow);
        }

        .training-card h5 {
            font-size: 0.95rem;
            margin-bottom: 8px;
            color: var(--dark);
        }

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

        /* 客户评论卡片 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .testimonial-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 25px;
            box-shadow: var(--card-shadow);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

        .testimonial-text::before {
            content: "“";
            font-size: 3rem;
            color: rgba(0, 82, 255, 0.1);
            position: absolute;
            left: -10px;
            top: -20px;
            line-height: 1;
        }

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .user-avatar-placeholder {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 0.9rem;
        }

        .user-info h5 {
            font-size: 0.9rem;
            margin-bottom: 2px;
            color: var(--dark);
        }

        .user-info span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* FAQ折叠面板 */
        .faq-wrapper {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--dark);
            padding: 8px 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            color: var(--text-muted);
            font-size: 0.95rem;
            padding-right: 20px;
        }

        .faq-answer p {
            padding-top: 10px;
            padding-bottom: 10px;
        }

        .faq-icon {
            font-size: 1.2rem;
            color: var(--text-muted);
            transition: transform 0.3s;
        }

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

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

        /* 自助排查与百科标签云 */
        .meta-hub {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .hub-box {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 28px;
        }

        .hub-box h3 {
            margin-bottom: 15px;
            color: var(--dark);
            font-size: 1.25rem;
        }

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

        .diagnose-list li {
            padding: 8px 0;
            border-bottom: 1px solid var(--light);
            font-size: 0.9rem;
        }

        .diagnose-list li a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 550;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .term-tag {
            background: var(--light);
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 0.85rem;
            color: var(--text-muted);
            border: 1px solid var(--border);
        }

        /* 资讯与知识库 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .article-card {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 24px;
            transition: var(--transition);
        }

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

        .article-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .article-card h4 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-card h4 a {
            color: var(--dark);
            text-decoration: none;
            transition: var(--transition);
        }

        .article-card h4 a:hover {
            color: var(--primary);
        }

        .article-excerpt {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 联系我们与加盟代理 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .contact-details h3 {
            font-size: 1.6rem;
            margin-bottom: 20px;
        }

        .contact-info-list {
            list-style: none;
            margin-bottom: 30px;
        }

        .contact-info-list li {
            margin-bottom: 15px;
            font-size: 1rem;
            color: var(--dark);
        }

        .contact-info-list strong {
            color: var(--primary);
        }

        .qr-codes {
            display: flex;
            gap: 20px;
            align-items: center;
        }

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

        .qr-item img {
            width: 140px;
            height: 140px;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 6px;
            background: #fff;
        }

        .qr-item p {
            font-size: 0.8rem;
            margin-top: 8px;
            font-weight: 600;
        }

        .agent-card {
            background: linear-gradient(135deg, var(--dark), #1E293B);
            color: #FFFFFF;
            padding: 30px;
            border-radius: 20px;
            position: relative;
            overflow: hidden;
        }

        .agent-card h3 {
            color: var(--secondary);
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .agent-card p {
            color: #E2E8F0;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        .agent-perks {
            list-style: none;
            margin-bottom: 25px;
        }

        .agent-perks li {
            margin-bottom: 10px;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .agent-perks li::before {
            content: "✦";
            color: var(--secondary);
        }

        /* 友情链接与底部 */
        footer {
            background: var(--dark);
            color: #E2E8F0;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid #334155;
        }

        .footer-brand h4 {
            font-size: 1.25rem;
            color: #FFFFFF;
            margin-bottom: 15px;
        }

        .footer-brand p {
            color: #94A3B8;
            margin-bottom: 20px;
            max-width: 400px;
        }

        .footer-links h5 {
            color: #FFFFFF;
            margin-bottom: 15px;
            font-size: 1rem;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #94A3B8;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-friends {
            padding: 20px 0;
            border-bottom: 1px solid #334155;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }

        .friend-links a {
            color: #94A3B8;
            text-decoration: none;
            font-size: 0.85rem;
            transition: var(--transition);
        }

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

        .copyright-area {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 30px;
            color: #64748B;
            font-size: 0.8rem;
        }

        .copyright-area a {
            color: #64748B;
            text-decoration: none;
        }

        /* 侧边浮动 */
        .floating-service {
            position: fixed;
            right: 20px;
            bottom: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            color: var(--dark);
            position: relative;
        }

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

        .float-qr-hover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #FFFFFF;
            border: 1px solid var(--border);
            padding: 10px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 140px;
        }

        .float-qr-hover img {
            width: 120px;
            height: 120px;
        }

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

        /* 动画元素 */
        .fade-in-section {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

        .fade-in-section.is-visible {
            opacity: 1;
            transform: none;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .hero h1 { font-size: 2.5rem; }
            .hero-features { grid-template-columns: repeat(2, 1fr); }
            .service-grid { grid-template-columns: repeat(2, 1fr); }
            .scene-grid { grid-template-columns: repeat(2, 1fr); }
            .case-gallery { grid-template-columns: repeat(2, 1fr); }
            .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
            .training-grid { grid-template-columns: repeat(3, 1fr); }
        }

        @media (max-width: 768px) {
            .menu-toggle { display: flex; }
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                border-bottom: 1px solid var(--border);
                padding: 20px;
                gap: 15px;
            }
            nav ul.active { display: flex; }
            .hero h1 { font-size: 2rem; }
            .about-grid, .form-section-wrapper, .contact-grid, .meta-hub {
                grid-template-columns: 1fr;
            }
            .hero-features { grid-template-columns: 1fr; }
            .service-grid, .scene-grid, .solution-grid, .case-gallery, .testimonial-grid, .articles-grid, .token-grid {
                grid-template-columns: 1fr;
            }
            .training-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr; }
            .qr-codes { flex-direction: column; }
        }