/* CSS reset & variable definition */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #E91E63;
            --primary-hover: #C2185B;
            --primary-light: #FCE4EC;
            --secondary: #FF4081;
            --text-dark: #212121;
            --text-light: #757575;
            --bg-light: #FFF8F9;
            --bg-white: #FFFFFF;
            --border-color: #FFCDD2;
            --max-width: 1200px;
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-dark);
            background-color: var(--bg-light);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-hover);
        }
        li {
            list-style: none;
        }

        /* Common Layout Utility */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            text-align: center;
            font-size: 2rem;
            margin-bottom: 15px;
            color: var(--primary);
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 50px;
            height: 4px;
            background: var(--secondary);
            margin: 10px auto 0;
            border-radius: 2px;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-light);
            margin-bottom: 50px;
            font-size: 1.1rem;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
            border: none;
        }
        .btn-primary {
            background-color: var(--primary);
            color: var(--bg-white) !important;
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(233, 30, 99, 0.4);
        }
        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary) !important;
        }
        .btn-outline:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }

        /* 1. Header Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ai-page-logo {
            height: 40px;
            width: auto;
        }
        .brand-name {
            font-size: 1.3rem;
            font-weight: bold;
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            gap: 20px;
        }
        .nav-links a {
            color: var(--text-dark);
            font-size: 0.95rem;
            font-weight: 500;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
        }

        /* 2. Hero Section (NO IMAGES) */
        .hero {
            padding: 160px 0 100px;
            background: linear-gradient(135deg, #FFF0F2 0%, #FFE4E8 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero-badge {
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 20px;
            font-weight: 600;
        }
        .hero-h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            color: var(--text-dark);
            margin-bottom: 20px;
            font-weight: 800;
        }
        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-light);
            max-width: 800px;
            margin: 0 auto 35px;
        }
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        /* 3. Data Indicators (数据指标卡片) */
        .data-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        .stat-card {
            background: var(--bg-white);
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(233, 30, 99, 0.05);
            border-top: 4px solid var(--primary);
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }
        .stat-label {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        /* 4. About Us (关于我们) */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .about-p {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 20px;
        }
        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }
        .feat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-dark);
            font-weight: 500;
        }
        .feat-item svg {
            color: var(--primary);
            flex-shrink: 0;
        }
        .about-images-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }
        .about-img-box {
            border-radius: 12px;
            overflow: hidden;
            border: 2px solid var(--border-color);
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }

        /* 5. AIGC Services (全平台AIGC服务) */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .service-card {
            background: var(--bg-white);
            padding: 35px 25px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
        }
        .service-card:hover {
            box-shadow: 0 10px 30px rgba(233, 30, 99, 0.1);
            transform: translateY(-5px);
        }
        .service-icon {
            width: 50px;
            height: 50px;
            background: var(--primary-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .service-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 15px;
        }
        .service-desc {
            color: var(--text-light);
            font-size: 0.95rem;
        }

        /* 6. One-stop Production (一站式AIGC制作) */
        .production-box {
            background: var(--bg-white);
            border-radius: 15px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 5px 25px rgba(233,30,99,0.03);
        }
        .production-header {
            margin-bottom: 30px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 20px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 15px;
        }
        .tag-item {
            background-color: var(--bg-light);
            border: 1px solid var(--border-color);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .tag-item:hover {
            background-color: var(--primary);
            color: var(--bg-white);
        }

        /* 7. Industry Solutions (全行业解决方案) */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .solution-card {
            background: linear-gradient(to bottom, #FFFFFF, #FFFBFB);
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .solution-card:hover {
            transform: scale(1.02);
            box-shadow: 0 8px 20px rgba(233,30,99,0.06);
        }
        .solution-card h4 {
            color: var(--primary);
            font-size: 1.2rem;
            margin-bottom: 12px;
        }

        /* 8. Service Network & Timeline (全国服务网络 + 标准流程) */
        .grid-two-cols {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .timeline {
            position: relative;
            padding-left: 30px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 5px;
            top: 10px;
            bottom: 10px;
            width: 2px;
            background: var(--border-color);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 30px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -30px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg-white);
        }
        .timeline-title {
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 5px;
        }
        .timeline-desc {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        /* 9. Technical Standards (技术标准) */
        .standards-wrapper {
            background: var(--bg-white);
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--border-color);
        }
        .std-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .std-card {
            padding: 20px;
            background: var(--bg-light);
            border-radius: 8px;
            border-bottom: 3px solid var(--primary);
        }

        /* 10. Cases Section (客户案例中心) */
        .case-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .case-card {
            background: var(--bg-white);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
        }
        .case-img-container {
            width: 100%;
            height: 240px;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .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-body {
            padding: 25px;
        }
        .case-tag {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            text-transform: uppercase;
            margin-bottom: 10px;
            display: inline-block;
        }
        .case-title {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--text-dark);
        }
        .case-desc {
            color: var(--text-light);
            font-size: 0.95rem;
        }

        /* 11. Comparison (对比评测) */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            background: var(--bg-white);
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }
        .comp-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }
        .comp-table th, .comp-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }
        .comp-table th {
            background-color: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
        }
        .comp-table tr:last-child td {
            border-bottom: none;
        }
        .badge-score {
            display: inline-block;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            color: var(--bg-white);
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
        }

        /* 12. Smart Matching & Form (智能需求匹配) */
        .match-section {
            background-color: #FFF0F2;
            border-radius: 16px;
            padding: 50px 40px;
            border: 1px solid var(--border-color);
        }
        .match-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .match-form {
            background: var(--bg-white);
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(233,30,99,0.05);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-dark);
        }
        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            outline: none;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1);
        }
        textarea.form-control {
            height: 120px;
            resize: none;
        }

        /* 13. Token Pricing (Token比价参考) */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .price-card {
            background: var(--bg-white);
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--border-color);
            text-align: center;
            transition: var(--transition);
        }
        .price-card.popular {
            border: 2px solid var(--primary);
            transform: scale(1.03);
            position: relative;
        }
        .price-card.popular::before {
            content: '首选推荐';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: var(--bg-white);
            padding: 2px 12px;
            font-size: 0.75rem;
            border-radius: 10px;
            font-weight: 700;
        }
        .price-card:hover {
            box-shadow: 0 8px 25px rgba(233,30,99,0.08);
        }
        .price-val {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--primary);
            margin: 15px 0;
        }

        /* 14. Training Section (职业技术培训 & 人工智能培训) */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .course-card {
            background: var(--bg-white);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            display: flex;
            overflow: hidden;
            transition: var(--transition);
        }
        .course-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(0,0,0,0.04);
        }
        .course-img-left {
            width: 150px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-white);
            font-weight: 700;
            padding: 20px;
            text-align: center;
            font-size: 1.1rem;
        }
        .course-body {
            padding: 25px;
            flex: 1;
        }

        /* 15. FAQ &自助排查 + AI术语百科 */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-header {
            padding: 18px 20px;
            background-color: var(--bg-white);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            user-select: none;
            transition: var(--transition);
        }
        .faq-header:hover {
            background-color: var(--bg-light);
        }
        .faq-icon {
            transition: var(--transition);
            color: var(--primary);
        }
        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            border-top: 0px solid var(--border-color);
        }
        .faq-content {
            padding: 20px;
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .faq-item.active .faq-body {
            max-height: 200px;
            border-top-width: 1px;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        /* 16. Testimonials (客户评论卡片) */
        .testi-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .testi-card {
            background: var(--bg-white);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 15px rgba(233,30,99,0.02);
        }
        .testi-user {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
        }
        .testi-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        .testi-meta h5 {
            font-size: 1rem;
            color: var(--text-dark);
        }
        .testi-meta span {
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .testi-text {
            color: var(--text-light);
            font-size: 0.95rem;
            font-style: italic;
        }

        /* 17. Articles (行业资讯/知识库) */
        .articles-box {
            background: var(--bg-white);
            border-radius: 12px;
            padding: 40px;
            border: 1px solid var(--border-color);
        }
        .article-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .article-item {
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .article-item:last-child {
            border-bottom: none;
        }
        .article-title {
            font-weight: 500;
            color: var(--text-dark);
        }

        /* 18. Contact & Agent (联系我们与加盟代理) */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .contact-info {
            background: var(--bg-white);
            padding: 40px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }
        .contact-method {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            margin-bottom: 25px;
        }
        .contact-method svg {
            color: var(--primary);
            flex-shrink: 0;
            margin-top: 3px;
        }
        .qr-wrap {
            display: flex;
            gap: 30px;
            margin-top: 30px;
        }
        .qr-item {
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .qr-item img {
            width: 100px;
            height: 100px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            margin-bottom: 5px;
            display: block;
        }

        /* 19. Footer */
        footer {
            background-color: #212121;
            color: #E0E0E0;
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h4 {
            color: var(--bg-white);
            font-size: 1.4rem;
            margin-bottom: 15px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: #B0BEC5;
        }
        .footer-links h5, .footer-contact h5 {
            color: var(--bg-white);
            font-size: 1.1rem;
            margin-bottom: 15px;
            position: relative;
        }
        .footer-links ul li {
            margin-bottom: 10px;
        }
        .footer-links ul li a {
            color: #B0BEC5;
            font-size: 0.9rem;
        }
        .footer-links ul li a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 15px;
        }
        .friend-links a {
            color: #B0BEC5;
            font-size: 0.85rem;
            background: #2D2D2D;
            padding: 4px 10px;
            border-radius: 4px;
        }
        .friend-links a:hover {
            color: var(--secondary);
            background: #3D3D3D;
        }
        .footer-bottom {
            border-top: 1px solid #37474F;
            padding-top: 30px;
            text-align: center;
            font-size: 0.85rem;
            color: #B0BEC5;
        }

        /* Floating Widgets */
        .floating-widget {
            position: fixed;
            right: 20px;
            bottom: 100px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }
        .float-btn {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: var(--bg-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
            transition: var(--transition);
            position: relative;
        }
        .float-btn:hover {
            background-color: var(--primary-hover);
            transform: scale(1.05);
        }
        .float-btn .qr-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 10px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: none;
            text-align: center;
            width: 140px;
        }
        .float-btn .qr-popover img {
            width: 120px;
            height: 120px;
        }
        .float-btn:hover .qr-popover {
            display: block;
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .hero-h1 { font-size: 2.2rem; }
            .about-grid, .grid-two-cols, .match-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .data-stats, .service-grid, .solutions-grid, .pricing-grid, .testi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-images-grid {
                order: -1;
            }
        }

        @media (max-width: 768px) {
            .nav-links, .nav-actions .btn {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .nav-container {
                position: relative;
            }
            .nav-links.active {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--bg-white);
                border-top: 1px solid var(--border-color);
                box-shadow: 0 4px 10px rgba(0,0,0,0.05);
                padding: 20px;
                gap: 15px;
            }
            .data-stats {
                grid-template-columns: 1fr 1fr;
            }
            .service-grid, .solutions-grid, .pricing-grid, .testi-grid, .training-grid {
                grid-template-columns: 1fr;
            }
            .course-card {
                flex-direction: column;
            }
            .course-img-left {
                width: 100%;
                padding: 15px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }