/* 变量及全局设计 */
        :root {
            --primary: #0052ff;
            --primary-light: #e6eeff;
            --secondary: #ff007f;
            --accent: #ffe600;
            --accent-dark: #ccb800;
            --dark: #0f172a;
            --light: #f8fafc;
            --white: #ffffff;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-600: #475569;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

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

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

        /* 统一外层居中容器 */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        section {
            padding: 80px 0;
            position: relative;
        }

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

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

        /* 撞色风通用组件 */
        .badge {
            display: inline-block;
            padding: 6px 16px;
            background-color: var(--accent);
            color: var(--dark);
            font-weight: 700;
            font-size: 14px;
            text-transform: uppercase;
            border: 2px solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
            margin-bottom: 20px;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            position: relative;
        }

        .section-title span {
            background: linear-gradient(120deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-subtitle {
            font-size: 18px;
            color: var(--gray-600);
            max-width: 700px;
            margin-bottom: 50px;
        }

        /* 按钮设计 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 28px;
            font-weight: 700;
            font-size: 16px;
            border-radius: 4px;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
        }

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

        .btn-primary:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0px var(--dark);
            background-color: #0044d6;
        }

        .btn-secondary {
            background-color: var(--accent);
            color: var(--dark);
        }

        .btn-secondary:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0px var(--dark);
            background-color: var(--accent-dark);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--dark);
        }

        .btn-outline:hover {
            background-color: var(--dark);
            color: var(--white);
        }

        /* 导航栏 */
        header {
            background-color: var(--white);
            border-bottom: 2px solid var(--dark);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .logo-container {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo-container img {
            max-height: 48px;
            width: auto;
        }

        .logo-container span {
            font-size: 20px;
            font-weight: 800;
            color: var(--dark);
        }

        nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }

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

        .nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
        }

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

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

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 3px;
            background-color: var(--dark);
            margin: 5px 0;
            transition: var(--transition);
        }

        /* 首屏 (Hero Area) - 撞色风，无图片 */
        .hero {
            background: radial-gradient(circle at 10% 20%, rgba(0, 82, 255, 0.05) 0%, rgba(255, 0, 127, 0.05) 90.1%), var(--white);
            border-bottom: 2px solid var(--dark);
            padding: 100px 0 120px 0;
            overflow: hidden;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 52px;
            font-weight: 900;
            line-height: 1.15;
            color: var(--dark);
            margin-bottom: 24px;
        }

        .hero-text h1 span {
            display: block;
            background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-text p {
            font-size: 20px;
            color: var(--gray-600);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 48px;
        }

        /* 纯CSS首屏视觉设计 - 采用几何与动态卡片取代图片 */
        .hero-visual {
            position: relative;
            height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .css-art-box {
            position: relative;
            width: 320px;
            height: 320px;
            background: var(--white);
            border: 4px solid var(--dark);
            box-shadow: 12px 12px 0px var(--dark);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 30px;
            transform: rotate(-3deg);
            transition: var(--transition);
        }

        .css-art-box:hover {
            transform: rotate(0deg) scale(1.02);
            box-shadow: 16px 16px 0px var(--secondary);
        }

        .css-art-tag {
            align-self: flex-start;
            background: var(--secondary);
            color: var(--white);
            padding: 4px 12px;
            font-weight: 800;
            font-size: 14px;
            border: 2px solid var(--dark);
        }

        .css-art-title {
            font-size: 28px;
            font-weight: 900;
            color: var(--dark);
            line-height: 1.2;
        }

        .css-art-title span {
            color: var(--primary);
        }

        .css-art-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 2px solid var(--dark);
            padding-top: 15px;
        }

        .css-art-point {
            font-weight: 800;
            color: var(--secondary);
        }

        .css-art-deco {
            position: absolute;
            width: 100px;
            height: 100px;
            background-color: var(--accent);
            border: 4px solid var(--dark);
            top: -20px;
            right: -20px;
            z-index: -1;
            transform: rotate(15deg);
        }

        /* 数据指标卡片 */
        .stats-section {
            background-color: var(--dark);
            color: var(--white);
            padding: 60px 0;
        }

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

        .stat-card {
            text-align: center;
            padding: 24px;
            border-left: 2px solid var(--secondary);
        }

        .stat-card:first-child {
            border-left: none;
        }

        .stat-card h3 {
            font-size: 48px;
            font-weight: 900;
            color: var(--accent);
            margin-bottom: 8px;
        }

        .stat-card p {
            font-size: 16px;
            color: var(--gray-200);
        }

        /* 关于我们 */
        .about-section {
            background-color: var(--white);
        }

        .about-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-content {
            font-size: 16px;
            color: var(--gray-600);
        }

        .about-content p {
            margin-bottom: 20px;
        }

        .about-features {
            margin-top: 30px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .about-feat-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            color: var(--dark);
        }

        .about-feat-item span {
            width: 10px;
            height: 10px;
            background-color: var(--secondary);
            border-radius: 50%;
        }

        .about-illustration {
            border: 4px solid var(--dark);
            box-shadow: 12px 12px 0 var(--dark);
            padding: 30px;
            background-color: var(--primary-light);
        }

        .about-illustration h4 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 15px;
            color: var(--dark);
        }

        /* 全平台AIGC服务 */
        .services-section {
            background-color: var(--light);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 50px;
        }

        .service-card {
            background-color: var(--white);
            border: 3px solid var(--dark);
            box-shadow: 6px 6px 0 var(--dark);
            padding: 32px;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translate(-4px, -4px);
            box-shadow: 10px 10px 0 var(--secondary);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            background-color: var(--primary-light);
            border: 2px solid var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin-bottom: 24px;
        }

        .service-card h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .service-card p {
            color: var(--gray-600);
            font-size: 15px;
        }

        .models-marquee {
            background-color: var(--white);
            border: 3px solid var(--dark);
            padding: 20px;
            overflow: hidden;
            position: relative;
        }

        .marquee-inner {
            display: flex;
            width: max-content;
            animation: marquee 30s linear infinite;
            gap: 40px;
        }

        .marquee-item {
            font-weight: 800;
            color: var(--dark);
            font-size: 16px;
            white-space: nowrap;
            background-color: var(--primary-light);
            padding: 6px 16px;
            border: 2px solid var(--dark);
        }

        @keyframes marquee {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* 一站式AIGC制作 */
        .production-section {
            background-color: var(--white);
        }

        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scene-card {
            border: 3px solid var(--dark);
            padding: 24px;
            background-color: var(--white);
            box-shadow: 4px 4px 0 var(--dark);
            transition: var(--transition);
        }

        .scene-card:hover {
            background-color: var(--primary-light);
            transform: translateY(-5px);
        }

        .scene-card h4 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--primary);
        }

        .scene-card p {
            font-size: 14px;
            color: var(--gray-600);
        }

        /* 全行业解决方案 */
        .solutions-section {
            background-color: var(--light);
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .solution-card {
            background-color: var(--white);
            border: 3px solid var(--dark);
            box-shadow: 6px 6px 0 var(--dark);
            padding: 30px;
        }

        .solution-tag {
            display: inline-block;
            background-color: var(--secondary);
            color: var(--white);
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .solution-card h4 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .solution-card p {
            color: var(--gray-600);
            font-size: 14px;
        }

        /* 全国服务网络 & 步骤流程 */
        .network-section {
            background-color: var(--white);
        }

        .network-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .steps-container {
            position: relative;
        }

        .step-item {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
            position: relative;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background-color: var(--accent);
            border: 2px solid var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            box-shadow: 3px 3px 0 var(--dark);
            flex-shrink: 0;
        }

        .step-content h5 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .step-content p {
            font-size: 14px;
            color: var(--gray-600);
        }

        .network-intro {
            background-color: var(--gray-100);
            border: 3px solid var(--dark);
            padding: 40px;
            box-shadow: 8px 8px 0 var(--dark);
        }

        .network-intro h4 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 15px;
        }

        /* 技术标准 */
        .standards-section {
            background-color: var(--light);
        }

        .standards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .standard-card {
            background-color: var(--white);
            border-top: 8px solid var(--primary);
            border-left: 2px solid var(--dark);
            border-right: 2px solid var(--dark);
            border-bottom: 2px solid var(--dark);
            padding: 30px;
            box-shadow: 4px 4px 0 var(--dark);
        }

        .standard-card h4 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        /* 案例展示 */
        .case-section {
            background-color: var(--white);
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        .case-card {
            border: 3px solid var(--dark);
            box-shadow: 8px 8px 0 var(--dark);
            overflow: hidden;
            background-color: var(--white);
        }

        .case-img-holder {
            width: 100%;
            height: 300px;
            overflow: hidden;
            border-bottom: 3px solid var(--dark);
            background-color: var(--gray-100);
        }

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

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

        .case-info {
            padding: 30px;
        }

        .case-meta {
            color: var(--secondary);
            font-weight: 800;
            font-size: 14px;
            margin-bottom: 8px;
        }

        .case-info h4 {
            font-size: 24px;
            font-weight: 900;
            margin-bottom: 12px;
        }

        .case-info p {
            color: var(--gray-600);
            font-size: 15px;
            margin-bottom: 20px;
        }

        /* 对比评测 - 突出5星 9.9分 */
        .comparison-section {
            background-color: var(--light);
        }

        .comp-header {
            background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
            color: var(--white);
            padding: 40px;
            border: 3px solid var(--dark);
            box-shadow: 8px 8px 0 var(--dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 40px;
        }

        .comp-score-box {
            background-color: var(--accent);
            color: var(--dark);
            padding: 20px 40px;
            border: 3px solid var(--dark);
            box-shadow: 4px 4px 0 var(--white);
            text-align: center;
        }

        .comp-score-box h3 {
            font-size: 48px;
            font-weight: 900;
            line-height: 1;
        }

        .comp-score-box p {
            font-weight: 800;
            font-size: 16px;
        }

        .stars {
            color: var(--secondary);
            font-size: 24px;
            margin-top: 5px;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 3px solid var(--dark);
            box-shadow: 8px 8px 0 var(--dark);
        }

        .comp-table {
            width: 100%;
            border-collapse: collapse;
            background-color: var(--white);
            text-align: left;
            min-width: 800px;
        }

        .comp-table th, .comp-table td {
            padding: 16px 24px;
            border: 1px solid var(--gray-200);
        }

        .comp-table th {
            background-color: var(--dark);
            color: var(--white);
            font-weight: 800;
        }

        .comp-table tr:nth-child(even) td {
            background-color: var(--gray-100);
        }

        .comp-table td strong {
            color: var(--primary);
        }

        /* Token 比价 */
        .token-section {
            background-color: var(--white);
        }

        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .token-card {
            border: 3px solid var(--dark);
            background-color: var(--white);
            box-shadow: 6px 6px 0 var(--dark);
            padding: 30px;
            text-align: center;
            position: relative;
        }

        .token-card.best {
            border-color: var(--secondary);
            box-shadow: 6px 6px 0 var(--secondary);
        }

        .token-card.best::after {
            content: "超低特价";
            position: absolute;
            top: -15px;
            right: 15px;
            background-color: var(--secondary);
            color: var(--white);
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 800;
            border: 2px solid var(--dark);
        }

        .token-card h4 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .token-price {
            font-size: 32px;
            font-weight: 900;
            color: var(--primary);
            margin: 20px 0;
        }

        .token-card ul {
            list-style: none;
            text-align: left;
            margin-bottom: 24px;
        }

        .token-card ul li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--gray-200);
            font-size: 14px;
            color: var(--gray-600);
        }

        /* 人工智能培训 */
        .training-section {
            background-color: var(--light);
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .training-card {
            background-color: var(--white);
            border: 3px solid var(--dark);
            padding: 24px;
            box-shadow: 4px 4px 0 var(--dark);
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 4px 4px 0 var(--primary);
        }

        .training-card h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .training-card p {
            font-size: 13px;
            color: var(--gray-600);
        }

        /* FAQ折叠面板 & 术语百科 & 自助排查 */
        .faq-section {
            background-color: var(--white);
        }

        .faq-wrapper {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            border: 2px solid var(--dark);
            background-color: var(--white);
            box-shadow: 4px 4px 0 var(--dark);
        }

        .faq-question {
            padding: 20px;
            cursor: pointer;
            font-weight: 800;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease-out;
            color: var(--gray-600);
            font-size: 15px;
            border-top: 0 solid var(--dark);
        }

        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 300px;
            border-top: 2px solid var(--dark);
        }

        .faq-question::after {
            content: "+";
            font-size: 20px;
            font-weight: 800;
            transition: var(--transition);
        }

        .faq-item.active .faq-question::after {
            content: "-";
        }

        .troubleshoot-box {
            background-color: var(--primary-light);
            border: 3px solid var(--dark);
            padding: 30px;
            box-shadow: 6px 6px 0 var(--dark);
            margin-bottom: 30px;
        }

        .troubleshoot-box h4 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 15px;
            color: var(--primary);
        }

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

        .troubleshoot-list li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.1);
            font-size: 14px;
        }

        .troubleshoot-list li strong {
            color: var(--secondary);
        }

        .encyclopedia-box {
            background-color: var(--accent);
            border: 3px solid var(--dark);
            padding: 30px;
            box-shadow: 6px 6px 0 var(--dark);
        }

        .encyclopedia-box h4 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 15px;
            color: var(--dark);
        }

        .encyclopedia-terms {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .term-badge {
            background-color: var(--white);
            border: 1px solid var(--dark);
            padding: 4px 10px;
            font-size: 13px;
            font-weight: 700;
        }

        /* 客户评论卡片 (6条) */
        .reviews-section {
            background-color: var(--light);
        }

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

        .review-card {
            background-color: var(--white);
            border: 3px solid var(--dark);
            box-shadow: 6px 6px 0 var(--dark);
            padding: 30px;
            position: relative;
        }

        .review-quote {
            font-size: 15px;
            color: var(--gray-600);
            margin-bottom: 20px;
            font-style: italic;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--gray-200);
            padding-top: 15px;
        }

        .review-avatar {
            width: 45px;
            height: 45px;
            background-color: var(--secondary);
            color: var(--white);
            border: 2px solid var(--dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
        }

        .author-info h5 {
            font-size: 15px;
            font-weight: 800;
        }

        .author-info p {
            font-size: 12px;
            color: var(--gray-600);
        }

        /* 知识库/资讯文章 */
        .blog-section {
            background-color: var(--white);
        }

        .blog-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .blog-card {
            border: 3px solid var(--dark);
            box-shadow: 6px 6px 0 var(--dark);
            background-color: var(--white);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 24px;
        }

        .blog-card h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .blog-card p {
            color: var(--gray-600);
            font-size: 14px;
            margin-bottom: 20px;
        }

        .blog-card .read-more {
            font-weight: 800;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .blog-card .read-more:hover {
            color: var(--secondary);
        }

        /* 智能需求匹配表单 & 联系加盟 */
        .contact-section {
            background-color: var(--light);
            border-top: 2px solid var(--dark);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-info-panel {
            background-color: var(--dark);
            color: var(--white);
            padding: 40px;
            border: 3px solid var(--dark);
            box-shadow: 8px 8px 0 var(--dark);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-details h3 {
            font-size: 28px;
            font-weight: 900;
            color: var(--accent);
            margin-bottom: 24px;
        }

        .contact-list-item {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
            font-size: 16px;
        }

        .contact-list-item strong {
            color: var(--secondary);
            min-width: 80px;
        }

        .contact-channels {
            margin-top: 40px;
            border-top: 1px solid var(--gray-600);
            padding-top: 30px;
        }

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

        .channel-card {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border: 1px solid var(--gray-600);
            text-align: center;
        }

        .channel-card h5 {
            font-size: 16px;
            margin-bottom: 10px;
            color: var(--accent);
        }

        .channel-card p {
            font-size: 14px;
            color: var(--gray-200);
        }

        /* 表单样式 */
        .form-panel {
            background-color: var(--white);
            border: 3px solid var(--dark);
            padding: 40px;
            box-shadow: 8px 8px 0 var(--dark);
        }

        .form-panel h3 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 24px;
        }

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

        .form-label {
            display: block;
            font-weight: 700;
            margin-bottom: 8px;
            font-size: 14px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--dark);
            border-radius: 4px;
            font-size: 15px;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 3px 3px 0 var(--primary-light);
        }

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: var(--white);
            padding: 60px 0 30px 0;
            border-top: 4px solid var(--secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            font-size: 24px;
            font-weight: 900;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--gray-200);
            max-width: 320px;
        }

        .footer-links h5 {
            font-size: 16px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 20px;
            position: relative;
        }

        .footer-links h5::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -6px;
            width: 30px;
            height: 2px;
            background-color: var(--secondary);
        }

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

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

        .footer-links ul li a {
            color: var(--gray-200);
            font-size: 14px;
        }

        .footer-links ul li a:hover {
            color: var(--accent);
            padding-left: 5px;
        }

        .footer-qrcode {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .footer-qrcode img {
            width: 100px;
            height: 100px;
            border: 2px solid var(--white);
        }

        .qrcode-info p {
            font-size: 14px;
            color: var(--gray-200);
            margin-bottom: 6px;
        }

        .qrcode-info strong {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid var(--gray-600);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: var(--gray-200);
        }

        .footer-bottom-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: var(--gray-200);
        }

        .footer-bottom-links a:hover {
            color: var(--accent);
        }

        /* 浮动客服 */
        .floating-kefu {
            position: fixed;
            right: 24px;
            bottom: 100px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .kefu-btn {
            width: 56px;
            height: 56px;
            background-color: var(--accent);
            border: 2px solid var(--dark);
            box-shadow: 4px 4px 0 var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

        .kefu-btn:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0 var(--secondary);
        }

        .kefu-btn svg {
            width: 24px;
            height: 24px;
            fill: var(--dark);
        }

        .kefu-panel {
            position: absolute;
            right: 70px;
            bottom: 0;
            width: 260px;
            background-color: var(--white);
            border: 3px solid var(--dark);
            box-shadow: 6px 6px 0 var(--dark);
            padding: 20px;
            display: none;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .kefu-panel img {
            width: 150px;
            height: 150px;
            margin-bottom: 15px;
            border: 1px solid var(--gray-200);
        }

        .kefu-panel p {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
        }

        .kefu-btn:hover .kefu-panel {
            display: flex;
        }

        .back-to-top {
            width: 56px;
            height: 56px;
            background-color: var(--white);
            border: 2px solid var(--dark);
            box-shadow: 4px 4px 0 var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .back-to-top:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0 var(--primary);
        }

        .back-to-top svg {
            width: 24px;
            height: 24px;
            fill: var(--dark);
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-text p {
                margin: 0 auto 30px auto;
            }
            .hero-btns {
                justify-content: center;
            }
            .hero-visual {
                height: 350px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-inner {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .blog-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .contact-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            nav {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: var(--white);
                border-bottom: 2px solid var(--dark);
                padding: 20px 24px;
                flex-direction: column;
                gap: 20px;
                align-items: flex-start;
            }
            nav.active {
                display: flex;
            }
            .nav-menu {
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
            }
            .nav-btn-group {
                width: 100%;
                flex-direction: column;
            }
            .nav-btn-group .btn {
                width: 100%;
            }
            .nav-toggle {
                display: block;
            }
            .section-title {
                font-size: 28px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-card {
                border-left: none;
                border-bottom: 2px solid var(--secondary);
                padding-bottom: 24px;
            }
            .stat-card:last-child {
                border-bottom: none;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .scenes-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solutions-grid {
                grid-template-columns: 1fr;
            }
            .network-wrapper {
                grid-template-columns: 1fr;
            }
            .standards-grid {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .token-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .faq-wrapper {
                grid-template-columns: 1fr;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .blog-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-qrcode {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 480px) {
            .scenes-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: 1fr;
            }
        }