:root {
            --primary: #FFD200;
            --primary-hover: #E6BC00;
            --dark: #0F172A;
            --dark-light: #1E293B;
            --light: #F8FAFC;
            --white: #FFFFFF;
            --text-dark: #0F172A;
            --text-muted: #64748B;
            --border: #E2E8F0;
            --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: var(--transition);
        }

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

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

        .logo-area img {
            height: 40px;
            width: auto;
        }

        .nav-menu {
            display: flex;
            gap: 25px;
            list-style: none;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition);
        }

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

        .nav-btn {
            background: var(--dark);
            color: var(--primary) !important;
            padding: 8px 18px;
            border-radius: 6px;
            font-weight: 600;
            transition: var(--transition);
        }

        .nav-btn:hover {
            background: var(--primary);
            color: var(--dark) !important;
        }

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

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

        /* Hero首屏 - 严禁图片 */
        .hero-section {
            padding: 160px 0 100px 0;
            background: linear-gradient(135deg, var(--primary) 0%, #FFF5CC 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 50%;
            height: 150%;
            background: radial-gradient(circle, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 70%);
            transform: rotate(-15deg);
        }

        .hero-content {
            position: relative;
            z-index: 10;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-tag {
            display: inline-block;
            background: var(--dark);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 20px;
            text-transform: uppercase;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }

        h1.hero-title {
            font-size: 44px;
            color: var(--dark);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 24px;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--dark-light);
            margin-bottom: 35px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 30px;
            font-size: 16px;
            font-weight: 700;
            border-radius: 8px;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--dark);
            color: var(--primary);
            box-shadow: 0 4px 20px rgba(15, 23, 42, 0.25);
        }

        .btn-primary:hover {
            background: #000;
            transform: translateY(-2px);
        }

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

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

        /* 核心数据指标 */
        .stats-section {
            margin-top: -50px;
            position: relative;
            z-index: 20;
        }

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

        .stat-card {
            background: var(--white);
            border-radius: 12px;
            padding: 30px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            border-top: 4px solid var(--primary);
            transition: var(--transition);
        }

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

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 通用区块样式 */
        section {
            padding: 90px 0;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px auto;
        }

        .section-header h2 {
            font-size: 32px;
            color: var(--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: var(--primary);
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 24px;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .about-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 15px;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .about-feat-item {
            background: var(--white);
            padding: 15px;
            border-radius: 8px;
            border-left: 3px solid var(--primary);
            font-size: 14px;
            font-weight: 600;
        }

        .about-image-wrapper {
            position: relative;
        }

        .about-image-wrapper img {
            border-radius: 12px;
            box-shadow: var(--shadow);
            width: 100%;
            height: auto;
        }

        /* 全平台AIGC服务与一站式制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--white);
            border-radius: 12px;
            padding: 35px 25px;
            transition: var(--transition);
            border: 1px solid var(--border);
            position: relative;
        }

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

        .service-icon {
            width: 50px;
            height: 50px;
            background: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .solution-card {
            background: var(--white);
            border-radius: 10px;
            padding: 25px;
            border-top: 3px solid var(--dark);
            box-shadow: var(--shadow);
        }

        .solution-card h3 {
            font-size: 17px;
            margin-bottom: 10px;
        }

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

        /* 流程步骤与技术标准 */
        .steps-wrapper {
            display: flex;
            justify-content: space-between;
            position: relative;
            gap: 20px;
        }

        .steps-wrapper::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 50px;
            right: 50px;
            height: 2px;
            background: var(--border);
            z-index: 1;
        }

        .step-node {
            flex: 1;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 50px;
            height: 50px;
            background: var(--dark);
            color: var(--primary);
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px auto;
            border: 4px solid var(--white);
        }

        .step-node:hover .step-num {
            background: var(--primary);
            color: var(--dark);
        }

        .step-node h4 {
            font-size: 16px;
            margin-bottom: 8px;
        }

        .step-node p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 对比评测板块 */
        .comparison-section {
            background: var(--white);
        }

        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: 12px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

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

        .comparison-table th, .comparison-table td {
            padding: 18px 20px;
            border-bottom: 1px solid var(--border);
        }

        .comparison-table th {
            background: var(--dark);
            color: var(--white);
            font-weight: 600;
        }

        .comparison-table th.highlight, .comparison-table td.highlight {
            background: #FFFDEB;
            border-left: 2px solid var(--primary);
            border-right: 2px solid var(--primary);
        }

        .comparison-table tr:hover td {
            background-color: var(--light);
        }

        .rating-badge {
            background: var(--primary);
            color: var(--dark);
            padding: 8px 16px;
            border-radius: 6px;
            display: inline-block;
            font-weight: 800;
            font-size: 16px;
            margin-bottom: 20px;
        }

        /* 案例展示中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #eee;
        }

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

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            font-size: 12px;
            color: var(--text-muted);
            text-transform: uppercase;
            font-weight: bold;
            margin-bottom: 8px;
            display: inline-block;
        }

        .case-info h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .case-info p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* Token 比价参考 & 价格参考 */
        .token-comparison {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .token-card {
            background: var(--white);
            border-radius: 12px;
            padding: 30px;
            box-shadow: var(--shadow);
        }

        .token-card h3 {
            font-size: 20px;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

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

        .token-item {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
        }

        .token-item:last-child {
            border-bottom: none;
        }

        .token-price {
            font-weight: 700;
            color: #10B981;
        }

        /* 职业技术培训板块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background: var(--white);
            border-radius: 8px;
            padding: 20px 15px;
            text-align: center;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .training-card:hover {
            border-color: var(--primary);
            background: #FFFDF0;
            transform: translateY(-3px);
        }

        .training-icon {
            font-size: 24px;
            margin-bottom: 10px;
        }

        .training-card h4 {
            font-size: 15px;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .training-card p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 用户评论区 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            background: var(--white);
            padding: 30px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            border-top: 4px solid var(--primary);
        }

        .review-stars {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 18px;
        }

        .review-content {
            font-size: 14px;
            color: var(--text-dark);
            margin-bottom: 20px;
            font-style: italic;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 14px;
        }

        .review-meta h4 {
            font-size: 14px;
            color: var(--dark);
        }

        .review-meta p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 帮助中心 & FAQ折叠面板 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border-radius: 8px;
            margin-bottom: 12px;
            box-shadow: var(--shadow);
            overflow: hidden;
            border: 1px solid var(--border);
        }

        .faq-question {
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--dark);
            user-select: none;
            transition: var(--transition);
        }

        .faq-question:hover {
            background-color: var(--light);
        }

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

        .faq-answer-content {
            padding: 20px;
            border-top: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-muted);
        }

        .faq-icon {
            transition: transform 0.3s;
            font-weight: bold;
        }

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

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        /* 资讯 / 知识库列表 */
        .articles-wrapper {
            background: var(--white);
            border-radius: 12px;
            padding: 40px;
            box-shadow: var(--shadow);
        }

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

        .article-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-bottom: 1px solid var(--border);
        }

        .article-item:last-child {
            border-bottom: none;
        }

        .article-item a {
            color: var(--dark);
            text-decoration: none;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
        }

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

        .article-date {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 表单区 - 智能需求匹配 */
        .form-section {
            background: var(--dark);
            color: var(--white);
        }

        .form-section .section-header h2 {
            color: var(--white);
        }

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

        .form-info h3 {
            font-size: 26px;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .form-info p {
            color: #94A3B8;
            margin-bottom: 25px;
        }

        .contact-methods {
            margin-top: 30px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
        }

        .contact-item span {
            color: var(--primary);
            font-weight: bold;
        }

        .app-form {
            background: var(--white);
            padding: 40px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            color: var(--text-dark);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
        }

        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border);
            border-radius: 6px;
            font-size: 14px;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 210, 0, 0.2);
        }

        textarea.form-control {
            height: 100px;
            resize: vertical;
        }

        .form-submit-btn {
            width: 100%;
            background: var(--primary);
            color: var(--dark);
            border: none;
            padding: 14px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
        }

        .form-submit-btn:hover {
            background: var(--primary-hover);
        }

        /* 标签云、服务网络等 */
        .networks-container {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .network-tag {
            background: var(--white);
            border: 1px solid var(--border);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 14px;
            color: var(--dark);
            font-weight: 500;
            transition: var(--transition);
        }

        .network-tag:hover {
            background: var(--primary);
            border-color: var(--primary);
            transform: scale(1.05);
        }

        /* 页脚区域 */
        footer {
            background: var(--dark);
            color: #94A3B8;
            padding: 70px 0 30px 0;
            border-top: 1px solid #1E293B;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 2fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-logo img {
            height: 40px;
            width: auto;
            margin-bottom: 20px;
        }

        .footer-about p {
            font-size: 14px;
            line-height: 1.8;
        }

        .footer-links h4 {
            color: var(--white);
            font-size: 16px;
            margin-bottom: 20px;
        }

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

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

        .footer-links a {
            color: #94A3B8;
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

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

        .footer-contact h4 {
            color: var(--white);
            font-size: 16px;
            margin-bottom: 20px;
        }

        .footer-qrcode {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .footer-qrcode img {
            width: 80px;
            height: 80px;
            background: var(--white);
            padding: 4px;
            border-radius: 4px;
        }

        .footer-bottom {
            border-top: 1px solid #1E293B;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-copyright {
            font-size: 13px;
        }

        .footer-friend-links {
            font-size: 13px;
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .footer-friend-links a {
            color: #64748B;
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* 浮动客服入口 */
        .floating-action {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark);
            text-decoration: none;
            font-weight: bold;
            font-size: 13px;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
            background: var(--primary-hover);
        }

        .float-btn .qr-tooltip {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--white);
            border: 1px solid var(--border);
            padding: 10px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            display: none;
            width: 140px;
            text-align: center;
        }

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

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

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .services-grid, .cases-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--white);
                padding: 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            h1.hero-title {
                font-size: 32px;
            }
            .about-grid, .form-grid, .token-comparison {
                grid-template-columns: 1fr;
            }
            .steps-wrapper {
                flex-direction: column;
                gap: 30px;
            }
            .steps-wrapper::before {
                display: none;
            }
            .services-grid, .cases-grid, .reviews-grid, .solutions-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }