:root {
            --primary: #2563eb;
            --primary-hover: #1d4ed8;
            --secondary: #f97316;
            --secondary-hover: #ea580c;
            --accent: #06b6d4;
            --dark: #0f172a;
            --gray-light: #f8fafc;
            --gray-border: #e2e8f0;
            --text-main: #334155;
            --text-dark: #0f172a;
            --container-width: 1200px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

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

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

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            border-bottom: 1px solid var(--gray-border);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(8px);
        }

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

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

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

        .brand-name {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-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;
        }

        nav a {
            color: var(--text-dark);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 5px 10px;
            border-radius: 4px;
        }

        nav a:hover {
            background-color: rgba(37, 99, 246, 0.08);
            color: var(--primary);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-primary {
            background-color: var(--primary);
            color: #fff;
        }

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

        .btn-secondary {
            background-color: var(--secondary);
            color: #fff;
        }

        .btn-secondary:hover {
            background-color: var(--secondary-hover);
            transform: translateY(-2px);
            color: #fff;
        }

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

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Hero首屏 - 撞色无图科技风 */
        .hero {
            background: radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(249, 115, 22, 0.1) 0%, transparent 50%),
                        linear-gradient(180deg, #ffffff 0%, var(--gray-light) 100%);
            padding: 100px 0 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--gray-border);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            left: 30%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(37, 99, 246, 0.05) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

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

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(37, 99, 246, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 24px;
            border: 1px solid rgba(37, 99, 246, 0.2);
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-dark);
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }

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

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-main);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .hero-actions .btn {
            padding: 14px 32px;
            font-size: 1.05rem;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 60px;
        }

        .stat-card {
            background: #fff;
            padding: 24px;
            border-radius: 12px;
            border: 1px solid var(--gray-border);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: 0 10px 15px -3px rgba(6, 182, 212, 0.1);
        }

        .stat-num {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }

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

        /* 通用区块样式 */
        .section-padding {
            padding: 80px 0;
            border-bottom: 1px solid var(--gray-border);
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px auto;
        }

        .section-header h2 {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 4px;
            background-color: var(--secondary);
            border-radius: 2px;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-main);
        }

        /* 平台介绍 */
        .platform-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .platform-features {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .feature-item {
            display: flex;
            gap: 15px;
            background: #fff;
            padding: 20px;
            border-radius: 10px;
            border: 1px solid var(--gray-border);
        }

        .feature-icon {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background-color: rgba(37, 99, 246, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-weight: bold;
        }

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

        .feature-info p {
            font-size: 0.9rem;
        }

        /* 服务能力卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: #fff;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--gray-border);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary);
            box-shadow: 0 20px 25px -5px rgba(37, 99, 246, 0.08);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background-color: rgba(249, 115, 22, 0.1);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.5rem;
        }

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

        .service-card p {
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .tag {
            background-color: var(--gray-light);
            border: 1px solid var(--gray-border);
            color: var(--text-main);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
        }

        /* 一站式AIGC制作区 (素材插图) */
        .creation-showcase {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .showcase-visuals {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }

        .showcase-img-wrap {
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--gray-border);
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }

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

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

        .showcase-text-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .showcase-step {
            padding: 15px;
            border-left: 4px solid var(--accent);
            background-color: #fff;
            border-radius: 0 8px 8px 0;
        }

        /* 标签云 */
        .tag-cloud-wrapper {
            background: #fff;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--gray-border);
            margin-top: 40px;
        }

        .tag-cloud-title {
            font-size: 1.1rem;
            color: var(--text-dark);
            font-weight: 700;
            margin-bottom: 15px;
            text-align: center;
        }

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

        .tag-cloud span {
            background-color: rgba(37, 99, 246, 0.05);
            color: var(--primary);
            border: 1px solid rgba(37, 99, 246, 0.1);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .tag-cloud span:hover {
            background-color: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        /* 解决方案与流程 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .solution-card {
            background: #fff;
            border: 1px solid var(--gray-border);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .solution-card:hover {
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            border-color: var(--secondary);
        }

        .solution-img-holder {
            position: relative;
            background-color: var(--gray-light);
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .solution-body {
            padding: 24px;
        }

        .solution-body h3 {
            font-size: 1.15rem;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        /* 流程步骤 */
        .workflow-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
            position: relative;
        }

        .step-item {
            background-color: #fff;
            padding: 24px 15px;
            border-radius: 10px;
            border: 1px solid var(--gray-border);
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: var(--secondary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin-bottom: 15px;
        }

        /* 技术标准 */
        .standards-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .standard-block {
            background-color: #fff;
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--gray-border);
        }

        .standard-list {
            list-style: none;
            margin-top: 15px;
        }

        .standard-list li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 10px;
            font-size: 0.95rem;
        }

        .standard-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: #10b981;
            font-weight: bold;
        }

        /* 对比评测 (必须包含要素) */
        .comparison-section {
            background-color: #fff;
        }

        .rating-box {
            background: linear-gradient(135deg, var(--dark) 0%, #1e293b 100%);
            color: #fff;
            padding: 35px;
            border-radius: 16px;
            margin-bottom: 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .rating-title h3 {
            font-size: 1.5rem;
            margin-bottom: 8px;
            color: #fff;
        }

        .rating-stars {
            color: #fbbf24;
            font-size: 1.5rem;
            margin-bottom: 5px;
        }

        .rating-num {
            text-align: right;
        }

        .rating-score {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--secondary);
            line-height: 1;
        }

        .rating-scale {
            font-size: 1.1rem;
            color: #94a3b8;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 1px solid var(--gray-border);
            border-radius: 12px;
        }

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

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--gray-border);
        }

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

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

        .comparison-table td.highlight {
            background-color: rgba(37, 99, 246, 0.03);
            font-weight: 600;
            color: var(--primary);
        }

        /* Token比价与匹配表单 */
        .token-price-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        /* 表单样式 */
        .form-container {
            background-color: #fff;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--gray-border);
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--gray-border);
            background-color: var(--gray-light);
            color: var(--text-dark);
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: #fff;
            box-shadow: 0 0 0 3px rgba(37, 99, 246, 0.15);
        }

        /* 培训版块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .training-card {
            background-color: #fff;
            padding: 35px;
            border-radius: 16px;
            border: 1px solid var(--gray-border);
            transition: var(--transition);
        }

        .training-card:hover {
            border-color: var(--accent);
            box-shadow: 0 10px 20px rgba(0,0,0,0.03);
        }

        .training-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .training-tag {
            background-color: rgba(6, 182, 212, 0.1);
            color: var(--accent);
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 600;
        }

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

        .case-card {
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--gray-border);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 20px rgba(0,0,0,0.08);
        }

        .case-img-holder {
            aspect-ratio: 4/3;
            overflow: hidden;
            border-bottom: 1px solid var(--gray-border);
        }

        .case-img-holder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-body {
            padding: 15px;
        }

        .case-body h4 {
            font-size: 1rem;
            color: var(--text-dark);
            margin-bottom: 5px;
        }

        /* 用户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            background-color: #fff;
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--gray-border);
            position: relative;
        }

        .review-text {
            font-style: italic;
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--gray-border);
            padding-top: 15px;
        }

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

        .user-meta h5 {
            font-size: 0.95rem;
            color: var(--text-dark);
        }

        .user-meta span {
            font-size: 0.8rem;
            color: var(--text-main);
        }

        /* FAQ折叠面板 */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background-color: #fff;
            border: 1px solid var(--gray-border);
            border-radius: 8px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            font-weight: 700;
            color: var(--text-dark);
        }

        .faq-header::after {
            content: '+';
            font-size: 1.25rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active .faq-header::after {
            content: '−';
            transform: rotate(180deg);
        }

        .faq-content {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: var(--transition);
            color: var(--text-main);
            font-size: 0.95rem;
        }

        .faq-item.active .faq-content {
            padding: 0 24px 20px 24px;
            max-height: 300px;
        }

        /* 自助排查与百科 */
        .support-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .support-block {
            background-color: #fff;
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--gray-border);
        }

        .diagnostic-steps {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 15px;
        }

        .diag-item {
            display: flex;
            gap: 10px;
        }

        .diag-num {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: var(--accent);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: bold;
            flex-shrink: 0;
        }

        .term-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 15px;
        }

        .term-card {
            background-color: var(--gray-light);
            padding: 15px;
            border-radius: 8px;
            border-left: 3px solid var(--primary);
        }

        .term-card h5 {
            color: var(--text-dark);
            margin-bottom: 5px;
        }

        /* 资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background-color: #fff;
            border: 1px solid var(--gray-border);
            border-radius: 12px;
            padding: 24px;
            transition: var(--transition);
        }

        .news-card:hover {
            border-color: var(--primary);
            box-shadow: 0 8px 16px rgba(0,0,0,0.03);
        }

        .news-card h4 {
            font-size: 1.1rem;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .news-card p {
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

        /* 加盟代理 */
        .agent-banner {
            background: linear-gradient(135deg, var(--secondary) 0%, #c2410c 100%);
            color: #fff;
            padding: 50px;
            border-radius: 16px;
            text-align: center;
        }

        .agent-banner h3 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 15px;
        }

        .agent-banner p {
            font-size: 1.1rem;
            max-width: 800px;
            margin: 0 auto 30px auto;
            color: rgba(255, 255, 255, 0.9);
        }

        /* 联系我们 & 二维码 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .contact-info-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .contact-item-box {
            display: flex;
            align-items: center;
            gap: 15px;
            background-color: #fff;
            padding: 20px;
            border-radius: 10px;
            border: 1px solid var(--gray-border);
        }

        .qrcode-wrap {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            background-color: #fff;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--gray-border);
        }

        .qrcode-img-box {
            width: 180px;
            height: 180px;
            border: 1px solid var(--gray-border);
            padding: 10px;
            border-radius: 8px;
            margin-bottom: 15px;
            background-color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .qrcode-img-box img {
            max-width: 100%;
            height: auto;
        }

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 60px 0 30px 0;
            border-top: 1px solid #1e293b;
        }

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

        .footer-logo-area img {
            height: 35px;
            width: auto;
            margin-bottom: 15px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 20px;
            position: relative;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

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

        .friend-links-area {
            border-top: 1px solid #1e293b;
            padding-top: 25px;
            margin-top: 25px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            align-items: center;
        }

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

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

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            text-align: center;
            font-size: 0.85rem;
        }

        /* 侧边悬浮客服 */
        .floating-service {
            position: fixed;
            right: 20px;
            bottom: 80px;
            z-index: 99;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

        .float-btn:hover {
            background-color: var(--primary-hover);
            transform: scale(1.05);
        }

        .float-btn .popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: #fff;
            border: 1px solid var(--gray-border);
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            display: none;
            flex-direction: column;
            align-items: center;
            width: 160px;
        }

        .float-btn:hover .popover {
            display: flex;
        }

        .float-btn .popover img {
            width: 120px;
            height: 120px;
            margin-bottom: 5px;
        }

        .float-btn .popover span {
            color: var(--text-dark);
            font-size: 0.8rem;
            white-content: nowrap;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid, .solutions-grid, .reviews-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .workflow-steps {
                grid-template-columns: repeat(3, 1fr);
            }
            .token-price-wrapper, .training-grid, .support-grid, .contact-layout, .platform-intro-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #fff;
                border-bottom: 1px solid var(--gray-border);
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }

            .nav-menu.show {
                display: block;
            }

            nav ul {
                flex-direction: column;
                gap: 15px;
            }

            .menu-toggle {
                display: flex;
            }

            .hero h1 {
                font-size: 2.25rem;
            }

            .creation-showcase {
                grid-template-columns: 1fr;
            }

            .workflow-steps {
                grid-template-columns: 1fr;
            }

            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .standards-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .services-grid, .solutions-grid, .reviews-grid, .news-grid, .cases-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
        }