:root {
            --primary: #0066ff;
            --primary-gradient: linear-gradient(135deg, #0066ff 0%, #00d2c4 100%);
            --secondary: #00d2c4;
            --dark: #0f172a;
            --light: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-600: #475569;
            --text-dark: #1e293b;
            --white: #ffffff;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 16px 40px rgba(0,0,0,0.12);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--white);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 统一容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 按钮通用 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            cursor: pointer;
            text-decoration: none;
            border: none;
        }
        .btn-primary {
            background: var(--primary-gradient);
            color: var(--white);
            box-shadow: 0 4px 15px rgba(0,102,255,0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0,102,255,0.4);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-sm);
            z-index: 1000;
            transition: all 0.3s ease;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .ai-page-logo {
            height: 40px;
            width: auto;
        }
        .brand-name {
            font-size: 1.4rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 20px;
            list-style: none;
        }
        .nav-link {
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            cursor: pointer;
        }

        /* Section 通用 */
        section {
            padding: 80px 0;
            position: relative;
        }
        .section-light {
            background-color: var(--light);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .section-title p {
            color: var(--gray-600);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.1rem;
        }

        /* Hero首屏 - 无图片，科技感鲜活风 */
        .hero {
            padding-top: 160px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 80% 20%, rgba(0, 210, 196, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(0, 102, 255, 0.1) 0%, transparent 50%),
                        var(--light);
            overflow: hidden;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 3rem;
            line-height: 1.2;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 24px;
        }
        .hero-content h1 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-content p {
            font-size: 1.2rem;
            color: var(--gray-600);
            margin-bottom: 36px;
            max-width: 540px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            margin-bottom: 40px;
        }
        .hero-features {
            display: flex;
            gap: 24px;
        }
        .hero-feat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--dark);
            font-size: 0.95rem;
        }
        .hero-feat-item svg {
            color: var(--secondary);
            flex-shrink: 0;
        }

        /* 首屏右侧 - CSS绘制虚拟面板/科技图形 */
        .hero-visual {
            position: relative;
            height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .tech-card {
            width: 100%;
            max-width: 380px;
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            padding: 24px;
            position: relative;
            z-index: 2;
            border: 1px solid rgba(0, 102, 255, 0.1);
        }
        .tech-card-header {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 20px;
        }
        .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }
        .dot-1 { background-color: #ff5f56; }
        .dot-2 { background-color: #ffbd2e; }
        .dot-3 { background-color: #27c93f; }
        .tech-card-title {
            font-size: 0.85rem;
            color: var(--gray-600);
            font-family: monospace;
            margin-left: auto;
        }
        .tech-code-line {
            height: 12px;
            background: var(--gray-100);
            border-radius: 4px;
            margin-bottom: 12px;
            width: 100%;
        }
        .tech-code-line.w-80 { width: 80%; }
        .tech-code-line.w-60 { width: 60%; }
        .tech-code-line.w-90 { width: 90%; }
        .tech-code-line.highlight {
            background: var(--primary-gradient);
            opacity: 0.8;
        }
        .tech-bg-blob {
            position: absolute;
            width: 300px;
            height: 300px;
            background: var(--primary-gradient);
            border-radius: 50%;
            filter: blur(60px);
            opacity: 0.2;
            top: 50px;
            left: 50px;
            z-index: 1;
            animation: floatBlob 10s infinite alternate;
        }
        @keyframes floatBlob {
            0% { transform: translate(0, 0) scale(1); }
            100% { transform: translate(30px, -20px) scale(1.1); }
        }

        /* 数据指标 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: -60px;
            position: relative;
            z-index: 10;
        }
        .stat-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            box-shadow: var(--shadow-md);
            text-align: center;
            border-top: 4px solid var(--primary);
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 8px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .stat-label {
            font-size: 1rem;
            color: var(--gray-600);
            font-weight: 500;
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.12fr 0.88fr;
            gap: 48px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.8rem;
            color: var(--dark);
            margin-bottom: 16px;
        }
        .about-text p {
            color: var(--gray-600);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }
        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 24px;
        }
        .about-feat-card {
            background: var(--white);
            padding: 20px;
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--secondary);
            box-shadow: var(--shadow-sm);
        }
        .about-feat-card h4 {
            margin-bottom: 8px;
            font-size: 1rem;
            color: var(--dark);
        }
        .about-feat-card p {
            font-size: 0.88rem;
            margin: 0;
        }
        .about-image-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .about-image-wrap img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }

        /* 全平台AIGC服务 & 支持模型 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            border: 1px solid var(--gray-200);
        }
        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .service-icon {
            width: 60px;
            height: 60px;
            background: rgba(0, 102, 255, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 24px;
            font-size: 1.8rem;
        }
        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .service-card p {
            color: var(--gray-600);
            font-size: 0.95rem;
            margin-bottom: 16px;
        }
        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .service-tag {
            background: var(--gray-100);
            color: var(--gray-600);
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        /* 模型标签云 */
        .models-wrapper {
            margin-top: 48px;
            background: var(--white);
            padding: 32px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            text-align: center;
        }
        .models-title {
            font-size: 1.1rem;
            color: var(--dark);
            margin-bottom: 24px;
            font-weight: 700;
        }
        .models-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }
        .model-chip {
            background: var(--light);
            border: 1px solid var(--gray-200);
            color: var(--text-dark);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: all 0.2s;
        }
        .model-chip:hover {
            background: var(--primary-gradient);
            color: var(--white);
            border-color: transparent;
            transform: scale(1.05);
        }

        /* 一站式AIGC制作 - 核心场景展示 */
        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .scene-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s;
        }
        .scene-card:hover {
            transform: translateY(-5px);
        }
        .scene-body {
            padding: 24px;
        }
        .scene-body h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .scene-body p {
            color: var(--gray-600);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .scene-features-list {
            list-style: none;
        }
        .scene-features-list li {
            font-size: 0.88rem;
            color: var(--text-dark);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .scene-features-list li svg {
            color: var(--primary);
        }

        /* 解决方案与服务网络 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .solution-card {
            background: var(--light);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border-top: 4px solid var(--secondary);
        }
        .solution-card h3 {
            margin-bottom: 12px;
            color: var(--dark);
        }
        .solution-card p {
            color: var(--gray-600);
            font-size: 0.95rem;
        }
        .network-map {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 40px;
            box-shadow: var(--shadow-sm);
            text-align: center;
        }
        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 32px;
        }
        .network-item {
            background: var(--light);
            padding: 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            color: var(--dark);
        }

        /* 流程与标准 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .process-step {
            background: var(--white);
            padding: 32px 24px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            text-align: center;
            position: relative;
        }
        .step-num {
            width: 40px;
            height: 40px;
            background: var(--primary-gradient);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin: 0 auto 20px auto;
        }
        .step-title {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--dark);
        }
        .step-desc {
            font-size: 0.88rem;
            color: var(--gray-600);
        }
        .standards-box {
            margin-top: 48px;
            background: var(--dark);
            color: var(--white);
            padding: 40px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }
        .standards-info h3 {
            font-size: 1.6rem;
            margin-bottom: 8px;
            color: var(--white);
        }
        .standards-info p {
            color: var(--gray-200);
            font-size: 0.95rem;
        }
        .standards-tags {
            display: flex;
            gap: 12px;
        }
        .standard-tag {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            padding: 8px 16px;
            border-radius: 4px;
            font-size: 0.9rem;
        }

        /* 对比评测 - 高亮设计 */
        .eval-section {
            background: var(--light);
        }
        .eval-container {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-md);
        }
        .eval-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 20px;
            border-bottom: 2px solid var(--gray-100);
            padding-bottom: 24px;
        }
        .eval-score-wrap {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .eval-stars {
            color: #ffc107;
            font-size: 1.5rem;
        }
        .eval-score {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
        }
        .eval-score span {
            font-size: 1.2rem;
            color: var(--gray-600);
        }
        .eval-table-wrap {
            overflow-x: auto;
        }
        .eval-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }
        .eval-table th, .eval-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--gray-200);
        }
        .eval-table th {
            background-color: var(--light);
            font-weight: 700;
            color: var(--dark);
        }
        .eval-table td.strong {
            font-weight: 600;
            color: var(--primary);
        }
        .eval-table tr:hover {
            background-color: rgba(0, 102, 255, 0.02);
        }

        /* 案例中心 - 带图片 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        .case-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
        }
        .case-image {
            height: 240px;
            overflow: hidden;
            background: var(--gray-100);
        }
        .case-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .case-card:hover .case-image img {
            transform: scale(1.05);
        }
        .case-content {
            padding: 24px;
        }
        .case-tag {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 8px;
            display: inline-block;
        }
        .case-content h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .case-content p {
            color: var(--gray-600);
            font-size: 0.95rem;
        }

        /* Token 比价 */
        .token-pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .token-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid var(--gray-200);
            text-align: center;
        }
        .token-card.featured {
            border-color: var(--primary);
            position: relative;
            transform: scale(1.03);
            box-shadow: var(--shadow-md);
        }
        .token-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary-gradient);
            color: var(--white);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: bold;
        }
        .token-name {
            font-size: 1.4rem;
            font-weight: bold;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .token-price {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 24px;
        }
        .token-price span {
            font-size: 0.9rem;
            color: var(--gray-600);
            font-weight: 400;
        }
        .token-features {
            list-style: none;
            text-align: left;
            margin-bottom: 24px;
        }
        .token-features li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--gray-200);
            font-size: 0.9rem;
            color: var(--gray-600);
        }

        /* 培训体系 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .training-card {
            background: var(--white);
            border-radius: var(--radius-sm);
            padding: 24px 16px;
            text-align: center;
            border: 1px solid var(--gray-200);
            box-shadow: var(--shadow-sm);
        }
        .training-card h3 {
            font-size: 1rem;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .training-card p {
            font-size: 0.8rem;
            color: var(--gray-600);
        }

        /* 帮助中心, FAQ 与 自助排查 */
        .help-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--gray-200);
            overflow: hidden;
        }
        .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--white);
            transition: background 0.3s;
        }
        .faq-question:hover {
            background: var(--gray-100);
        }
        .faq-question::after {
            content: '+';
            font-size: 1.2rem;
            color: var(--primary);
            transition: transform 0.3s;
        }
        .faq-item.active .faq-question::after {
            content: '-';
            transform: rotate(90deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: var(--light);
        }
        .faq-answer-content {
            padding: 20px;
            font-size: 0.95rem;
            color: var(--gray-600);
            border-top: 1px solid var(--gray-200);
        }

        .trouble-box {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 32px;
            border: 1px solid var(--gray-200);
        }
        .trouble-box h3 {
            margin-bottom: 20px;
            color: var(--dark);
        }
        .trouble-steps {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .trouble-step-item {
            display: flex;
            gap: 16px;
        }
        .trouble-step-num {
            width: 24px;
            height: 24px;
            background: var(--secondary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: bold;
            flex-shrink: 0;
        }
        .trouble-step-text h4 {
            font-size: 0.95rem;
            color: var(--dark);
            margin-bottom: 4px;
        }
        .trouble-step-text p {
            font-size: 0.85rem;
            color: var(--gray-600);
        }

        /* 术语百科与文章 */
        .glossary-wrap {
            margin-top: 40px;
            background: var(--light);
            border-radius: var(--radius-md);
            padding: 32px;
        }
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .glossary-card h4 {
            color: var(--primary);
            margin-bottom: 8px;
        }
        .glossary-card p {
            font-size: 0.88rem;
            color: var(--gray-600);
        }
        .articles-section {
            background: var(--white);
        }
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .article-card {
            background: var(--light);
            border-radius: var(--radius-sm);
            padding: 24px;
            border-left: 4px solid var(--primary);
            transition: all 0.3s;
        }
        .article-card:hover {
            transform: translateX(4px);
            background: var(--white);
            box-shadow: var(--shadow-sm);
        }
        .article-card h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
        }
        .article-card h3 a {
            color: var(--dark);
            text-decoration: none;
            transition: color 0.3s;
        }
        .article-card h3 a:hover {
            color: var(--primary);
        }
        .article-meta {
            font-size: 0.8rem;
            color: var(--gray-600);
        }

        /* 用户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .comment-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
        }
        .comment-user {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .user-avatar {
            width: 44px;
            height: 44px;
            background: var(--primary-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: bold;
        }
        .user-info h4 {
            font-size: 0.95rem;
            color: var(--dark);
        }
        .user-info span {
            font-size: 0.8rem;
            color: var(--gray-600);
        }
        .comment-card p {
            font-size: 0.9rem;
            color: var(--gray-600);
            line-height: 1.6;
        }

        /* 加盟代理与转化表单 */
        .agent-box {
            background: var(--primary-gradient);
            color: var(--white);
            border-radius: var(--radius-lg);
            padding: 48px;
            margin-bottom: 50px;
        }
        .agent-inner {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .agent-text h3 {
            font-size: 2rem;
            margin-bottom: 16px;
            color: var(--white);
        }
        .agent-text p {
            color: rgba(255,255,255,0.9);
            margin-bottom: 24px;
        }
        .agent-benefits {
            list-style: none;
        }
        .agent-benefits li {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
        }
        .agent-box .btn-white {
            background: var(--white);
            color: var(--primary);
            padding: 14px 32px;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
        }
        .contact-form-wrap {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--gray-200);
        }
        .contact-form-wrap h3 {
            margin-bottom: 24px;
            color: var(--dark);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--gray-200);
            background-color: var(--light);
            font-size: 0.95rem;
            transition: all 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: var(--white);
            box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
        }
        .contact-info-wrap {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .info-card {
            background: var(--light);
            border-radius: var(--radius-md);
            padding: 32px;
            margin-bottom: 24px;
        }
        .info-card h4 {
            margin-bottom: 16px;
            color: var(--dark);
        }
        .info-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .info-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--gray-600);
        }
        .qrcode-box {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--white);
            padding: 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--gray-200);
        }
        .qrcode-box img {
            width: 90px;
            height: 90px;
        }
        .qrcode-text h5 {
            margin-bottom: 4px;
            color: var(--dark);
        }
        .qrcode-text p {
            font-size: 0.8rem;
            color: var(--gray-600);
        }

        /* 页脚与友情链接 */
        footer {
            background: var(--dark);
            color: var(--white);
            padding: 60px 0 30px 0;
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: var(--white);
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--gray-200);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: var(--secondary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.85rem;
            color: var(--gray-200);
        }
        .friend-links {
            background: rgba(255,255,255,0.05);
            padding: 16px;
            border-radius: var(--radius-sm);
            margin-bottom: 30px;
        }
        .friend-links-title {
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: rgba(255,255,255,0.7);
        }
        .friend-links-body {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .friend-links-body a {
            color: var(--gray-200);
            text-decoration: none;
            font-size: 0.85rem;
            transition: color 0.3s;
        }
        .friend-links-body a:hover {
            color: var(--secondary);
        }

        /* 浮动客服 */
        .float-widget {
            position: fixed;
            right: 24px;
            bottom: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }
        .float-item {
            width: 50px;
            height: 50px;
            background: var(--white);
            border-radius: 50%;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            text-decoration: none;
            transition: all 0.3s;
            cursor: pointer;
            border: 1px solid var(--gray-200);
            position: relative;
        }
        .float-item:hover {
            background: var(--primary-gradient);
            color: var(--white);
            transform: scale(1.05);
        }
        .float-qrcode {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--white);
            padding: 12px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-lg);
            display: none;
            width: 140px;
            text-align: center;
            border: 1px solid var(--gray-200);
        }
        .float-qrcode img {
            width: 110px;
            height: 110px;
        }
        .float-qrcode p {
            font-size: 0.75rem;
            color: var(--text-dark);
            margin-top: 4px;
        }
        .float-item:hover .float-qrcode {
            display: block;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-content p {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-features {
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 40px;
            }
            .service-grid, .scenes-grid, .solutions-grid, .articles-grid, .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .about-grid, .contact-grid, .agent-inner {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 20px;
                box-shadow: var(--shadow-md);
                border-top: 1px solid var(--gray-200);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .service-grid, .scenes-grid, .solutions-grid, .articles-grid, .comments-grid, .stats-grid, .cases-grid, .token-pricing-grid, .training-grid, .help-grid, .glossary-grid {
                grid-template-columns: 1fr;
            }
            .token-card.featured {
                transform: scale(1);
            }
            .network-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-flow {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }