/* CSS Reset */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
        body { 
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            background-color: #f8fafc;
            color: #0f172a;
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        /* 颜色系统 - 明艳撞色风格 */
        :root {
            --primary: #4f46e5;       /* 电光紫 */
            --secondary: #ff4500;     /* 亮橙 */
            --accent: #00f0ff;        /* 极光蓝 */
            --dark: #0f172a;          /* 深灰 */
            --light: #ffffff;         /* 纯白 */
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-600: #475569;
            --container-max: 1200px;
        }

        /* 通用容器 */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .section-padding {
            padding: 5rem 0;
        }

        .section-title-wrap {
            text-align: center;
            margin-bottom: 3.5rem;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--dark);
            position: relative;
            display: inline-block;
            margin-bottom: 1rem;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--gray-600);
            max-width: 600px;
            margin: 0 auto;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 2rem;
            border-radius: 9999px;
            font-weight: 700;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            outline: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #6366f1);
            color: var(--light);
            box-shadow: 0 4px 14px rgba(79, 70, 229, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(79, 70, 229, 0.6);
        }

        .btn-secondary {
            background: linear-gradient(135deg, var(--secondary), #ff6347);
            color: var(--light);
            box-shadow: 0 4px 14px rgba(255, 69, 0, 0.4);
        }

        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 69, 0, 0.6);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

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

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
            border-bottom: 2px solid var(--primary);
        }

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

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .ai-page-logo {
            height: 40px;
            object-fit: contain;
        }

        .nav-menu {
            display: flex;
            gap: 1.5rem;
            list-style: none;
            align-items: center;
        }

        .nav-link {
            color: var(--dark);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: color 0.2s ease;
        }

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

        .nav-btn-wrap {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark);
        }

        /* 首屏 Hero (无图，纯色/渐变/撞色块) */
        .hero-section {
            padding-top: 140px;
            padding-bottom: 6rem;
            background: radial-gradient(circle at 10% 20%, rgba(79, 70, 229, 0.08) 0%, rgba(255, 69, 0, 0.05) 90.1%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -10%;
            left: -10%;
            width: 300px;
            height: 300px;
            background-color: rgba(0, 240, 255, 0.15);
            filter: blur(100px);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -10%;
            right: -10%;
            width: 300px;
            height: 300px;
            background-color: rgba(255, 69, 0, 0.1);
            filter: blur(100px);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-tag {
            display: inline-block;
            background: linear-gradient(90deg, rgba(79, 70, 229, 0.1), rgba(255, 69, 0, 0.1));
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 0.35rem 1.25rem;
            border-radius: 9999px;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }

        .hero-title {
            font-size: 3rem;
            line-height: 1.2;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 1.5rem;
            letter-spacing: -0.5px;
        }

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

        .hero-desc {
            font-size: 1.25rem;
            color: var(--gray-600);
            max-width: 800px;
            margin: 0 auto 2.5rem auto;
        }

        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 1.25rem;
            margin-bottom: 3.5rem;
            flex-wrap: wrap;
        }

        /* 重点强化访问官网按钮 */
        .btn-hero-visit {
            background: linear-gradient(135deg, var(--secondary), #ff2a00);
            color: var(--light);
            font-size: 1.1rem;
            padding: 0.9rem 2.5rem;
            box-shadow: 0 8px 24px rgba(255, 69, 0, 0.4);
            border: 2px solid var(--secondary);
        }

        .btn-hero-visit:hover {
            transform: scale(1.05);
            background: var(--light);
            color: var(--secondary);
            box-shadow: 0 8px 30px rgba(255, 69, 0, 0.5);
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 1rem;
        }

        .stat-card {
            background: var(--light);
            border: 1px solid var(--gray-200);
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
        }

        .stat-num {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.25rem;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--gray-600);
            font-weight: 600;
        }

        /* 关于我们 & 平台介绍 */
        .about-section {
            background-color: var(--light);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 3.5rem;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.75rem;
            margin-bottom: 1.25rem;
            color: var(--dark);
        }

        .about-text p {
            margin-bottom: 1rem;
            color: var(--gray-600);
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .about-feat-item {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
        }

        .about-feat-icon {
            color: var(--secondary);
            font-weight: bold;
            font-size: 1.25rem;
        }

        .about-feat-text h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 0.25rem;
        }

        .about-feat-text p {
            font-size: 0.85rem;
            margin-bottom: 0;
        }

        .about-panel {
            background: linear-gradient(135deg, var(--primary), #312e81);
            color: var(--light);
            padding: 2.5rem;
            border-radius: 24px;
            box-shadow: 0 10px 30px rgba(79, 70, 229, 0.2);
            position: relative;
        }

        .about-panel h4 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--accent);
        }

        .about-panel-list {
            list-style: none;
            margin-top: 1.5rem;
        }

        .about-panel-list li {
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.95rem;
        }

        /* 全平台AIGC服务 (模型墙) */
        .service-section {
            background-color: var(--gray-100);
        }

        .model-wall {
            background: var(--light);
            border-radius: 20px;
            padding: 2rem;
            box-shadow: 0 5px 20px rgba(0,0,0,0.03);
            border: 1px solid var(--gray-200);
        }

        .model-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .model-tag {
            background-color: var(--gray-100);
            padding: 0.75rem 0.5rem;
            border-radius: 10px;
            text-align: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--dark);
            border: 1px solid transparent;
            transition: all 0.2s ease;
        }

        .model-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: rgba(79, 70, 229, 0.05);
            transform: scale(1.05);
        }

        /* 一站式AIGC制作 & 全行业解决方案 */
        .creation-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .creation-card {
            background: var(--light);
            border: 1px solid var(--gray-200);
            border-radius: 20px;
            padding: 2rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .creation-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background-color: var(--primary);
        }

        .creation-card:nth-child(even)::before {
            background-color: var(--secondary);
        }

        .creation-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            border-color: rgba(79, 70, 229, 0.3);
        }

        .creation-icon {
            font-size: 2rem;
            margin-bottom: 1rem;
            display: inline-block;
        }

        .creation-card h3 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: var(--dark);
        }

        .creation-card p {
            font-size: 0.9rem;
            color: var(--gray-600);
        }

        /* 标准化AIGC流程 & 技术标准 & 全国服务网络 */
        .process-section {
            background-color: var(--light);
        }

        .timeline {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1.5rem;
            position: relative;
            margin-top: 2rem;
        }

        .timeline-item {
            text-align: center;
            position: relative;
        }

        .timeline-step {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary);
            color: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin: 0 auto 1rem auto;
            border: 4px solid var(--light);
            box-shadow: 0 0 0 2px var(--primary);
        }

        .timeline-item:nth-child(even) .timeline-step {
            background-color: var(--secondary);
            box-shadow: 0 0 0 2px var(--secondary);
        }

        .timeline-title {
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--dark);
            font-size: 1rem;
        }

        .timeline-desc {
            font-size: 0.8rem;
            color: var(--gray-600);
        }

        /* 技术标准与网络 */
        .tech-network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            margin-top: 4rem;
        }

        .tech-box, .network-box {
            background: var(--gray-100);
            border-radius: 20px;
            padding: 2rem;
            border: 1px solid var(--gray-200);
        }

        .tech-box h3, .network-box h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--dark);
        }

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

        .list-unstyled li {
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.95rem;
        }

        .list-icon {
            color: var(--primary);
            font-weight: bold;
        }

        /* 客户案例中心 (包含宣传图，横版/方版素材图) */
        .cases-section {
            background-color: var(--light);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 2rem;
        }

        .case-card-big {
            background: var(--gray-100);
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid var(--gray-200);
        }

        .case-img-wrap {
            width: 100%;
            height: 320px;
            overflow: hidden;
            background: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

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

        .case-info {
            padding: 2rem;
        }

        .case-tag {
            display: inline-block;
            background-color: var(--primary);
            color: var(--light);
            padding: 0.25rem 0.75rem;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .case-title {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }

        .case-desc {
            color: var(--gray-600);
            font-size: 0.95rem;
        }

        .case-side-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .case-mini-card {
            background: var(--light);
            border: 1px solid var(--gray-200);
            border-radius: 16px;
            display: flex;
            overflow: hidden;
            height: 160px;
        }

        .case-mini-img {
            width: 140px;
            height: 100%;
            overflow: hidden;
            background: #e2e8f0;
            flex-shrink: 0;
        }

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

        .case-mini-info {
            padding: 1.25rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .case-mini-info h4 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }

        .case-mini-info p {
            font-size: 0.85rem;
            color: var(--gray-600);
        }

        /* 对比评测 (核心板块) */
        .rating-section {
            background-color: var(--gray-100);
        }

        .rating-hero-card {
            background: linear-gradient(135deg, var(--dark), #1e293b);
            color: var(--light);
            border-radius: 24px;
            padding: 3rem;
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 3rem;
            align-items: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            margin-bottom: 3rem;
            border-bottom: 5px solid var(--secondary);
        }

        .rating-score-box {
            text-align: center;
            border-right: 1px solid rgba(255,255,255,0.1);
            padding-right: 3rem;
        }

        .rating-score {
            font-size: 5rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
        }

        .rating-stars {
            font-size: 1.75rem;
            color: var(--secondary);
            margin: 0.75rem 0;
        }

        .rating-label {
            font-size: 1.1rem;
            opacity: 0.8;
        }

        .rating-features-summary h3 {
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        .rating-features-summary p {
            opacity: 0.8;
            margin-bottom: 1.5rem;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 16px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            background-color: var(--light);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }

        .compare-table th, .compare-table td {
            padding: 1rem 1.5rem;
            border-bottom: 1px solid var(--gray-200);
        }

        .compare-table th {
            background-color: var(--primary);
            color: var(--light);
            font-weight: 700;
        }

        .compare-table tr:hover {
            background-color: var(--gray-100);
        }

        .text-center { text-align: center; }
        .text-success { color: #10b981; font-weight: bold; }
        .text-danger { color: #ef4444; font-weight: bold; }

        /* 智能需求匹配 (表单) & 联系我们 */
        .contact-section {
            background-color: var(--light);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
        }

        .form-box {
            background: var(--gray-100);
            border-radius: 24px;
            padding: 2.5rem;
            border: 1px solid var(--gray-200);
        }

        .form-box h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            color: var(--dark);
        }

        .form-group {
            margin-bottom: 1.25rem;
        }

        .form-label {
            display: block;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }

        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            border-radius: 10px;
            border: 1px solid var(--gray-200);
            background-color: var(--light);
            color: var(--dark);
            font-size: 0.95rem;
            transition: border-color 0.2s ease;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
        }

        .contact-info-box {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-details h3 {
            font-size: 1.75rem;
            margin-bottom: 1.5rem;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .contact-icon {
            font-size: 1.5rem;
            color: var(--primary);
        }

        .qr-codes {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .qr-item {
            text-align: center;
            background: var(--gray-100);
            padding: 1.25rem;
            border-radius: 16px;
            border: 1px solid var(--gray-200);
        }

        .qr-item img {
            width: 130px;
            height: 130px;
            object-fit: contain;
            margin-bottom: 0.75rem;
            border-radius: 8px;
        }

        .qr-item p {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--dark);
        }

        /* Token比价参考 & 价格参考 */
        .token-price-section {
            background-color: var(--gray-100);
        }

        .token-table-wrap {
            background: var(--light);
            border-radius: 20px;
            padding: 1.5rem;
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
            border: 1px solid var(--gray-200);
        }

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

        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .training-card {
            background: var(--gray-100);
            border-radius: 20px;
            padding: 2rem;
            border: 1px solid var(--gray-200);
            transition: all 0.3s ease;
        }

        .training-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            background-color: var(--light);
            box-shadow: 0 10px 25px rgba(79,70,229,0.05);
        }

        .training-badge {
            display: inline-block;
            background-color: var(--secondary);
            color: var(--light);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.75rem;
            border-radius: 4px;
            margin-bottom: 1rem;
        }

        .training-card h3 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: var(--dark);
        }

        .training-card p {
            font-size: 0.9rem;
            color: var(--gray-600);
            margin-bottom: 1.25rem;
        }

        /* 加盟代理 */
        .agent-section {
            background: linear-gradient(135deg, var(--primary), #3b0764);
            color: var(--light);
            text-align: center;
        }

        .agent-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .agent-title {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            color: var(--accent);
        }

        .agent-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin: 3rem 0;
        }

        .agent-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 16px;
            padding: 1.5rem;
            backdrop-filter: blur(10px);
        }

        .agent-item h4 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            color: var(--light);
        }

        .agent-item p {
            font-size: 0.85rem;
            opacity: 0.8;
        }

        /* 帮助中心 & 常见用户问题 FAQ (手风琴) */
        .faq-section {
            background-color: var(--gray-100);
        }

        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--light);
            border: 1px solid var(--gray-200);
            border-radius: 12px;
            margin-bottom: 1rem;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-header {
            padding: 1.25rem 1.5rem;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: var(--light);
            color: var(--dark);
            user-select: none;
        }

        .faq-icon {
            font-size: 1.2rem;
            transition: transform 0.3s ease;
            color: var(--primary);
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: var(--light);
            border-top: 0 solid var(--gray-200);
        }

        .faq-content {
            padding: 1.25rem 1.5rem;
            font-size: 0.95rem;
            color: var(--gray-600);
        }

        .faq-item.active .faq-body {
            max-height: 200px;
            border-top-width: 1px;
        }

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

        /* 常见问题自助排查 & AI术语百科 */
        .troubleshooting-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            margin-top: 3.5rem;
        }

        .trouble-box, .encyclopedia-box {
            background: var(--light);
            border-radius: 20px;
            padding: 2rem;
            border: 1px solid var(--gray-200);
        }

        .trouble-box h3, .encyclopedia-box h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            color: var(--dark);
        }

        .term-list dt {
            font-weight: 700;
            color: var(--primary);
            margin-top: 1rem;
        }

        .term-list dd {
            font-size: 0.9rem;
            color: var(--gray-600);
            margin-left: 0;
            margin-bottom: 0.5rem;
        }

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

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .review-card {
            background: var(--gray-100);
            border: 1px solid var(--gray-200);
            border-radius: 20px;
            padding: 2rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-text {
            font-style: italic;
            color: var(--gray-600);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .review-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--primary);
            color: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .review-user-info h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--dark);
        }

        .review-user-info p {
            font-size: 0.8rem;
            color: var(--gray-600);
        }

        /* 行业资讯 / 知识库 (最新文章) */
        .blog-section {
            background-color: var(--gray-100);
        }

        .articles-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .article-card {
            background: var(--light);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--gray-200);
            transition: transform 0.3s ease;
        }

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

        .article-body {
            padding: 1.5rem;
        }

        .article-meta {
            font-size: 0.8rem;
            color: var(--gray-600);
            margin-bottom: 0.5rem;
        }

        .article-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .article-title a {
            color: var(--dark);
            text-decoration: none;
        }

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

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 4rem 0 2rem 0;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 3rem;
            margin-bottom: 3rem;
            border-bottom: 1px solid #334155;
            padding-bottom: 3rem;
        }

        .footer-brand h4 {
            color: var(--light);
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }

        .footer-brand p {
            margin-bottom: 1rem;
        }

        .footer-links-title {
            color: var(--light);
            font-weight: 700;
            margin-bottom: 1.25rem;
        }

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

        .footer-links li {
            margin-bottom: 0.75rem;
        }

        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        .friend-links-wrap {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
        }

        .friend-links-title {
            color: var(--light);
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .friend-links a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.85rem;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            color: #64748b;
        }

        .ai-page-home-link {
            color: #94a3b8;
            text-decoration: none;
        }

        .ai-page-home-link:hover {
            color: var(--light);
        }

        /* 悬浮客服 */
        .sticky-contact {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            z-index: 999;
        }

        .sticky-btn {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: var(--light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            text-decoration: none;
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
            transition: all 0.3s ease;
            position: relative;
            cursor: pointer;
        }

        .sticky-btn:hover {
            transform: scale(1.1);
            background-color: var(--secondary);
        }

        .sticky-btn .tooltip-qr {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--light);
            border: 1px solid var(--gray-200);
            padding: 0.75rem;
            border-radius: 8px;
            display: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            text-align: center;
        }

        .sticky-btn .tooltip-qr img {
            width: 120px;
            height: 120px;
            object-fit: cover;
        }

        .sticky-btn .tooltip-qr p {
            color: var(--dark);
            font-size: 0.75rem;
            margin-top: 0.5rem;
            white-space: nowrap;
        }

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

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid, .creation-grid, .training-grid, .reviews-grid, .articles-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .model-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .timeline {
                grid-template-columns: repeat(3, 1fr);
                gap: 2rem;
            }
            .timeline-item::after { display: none; }
            .cases-grid, .rating-section .rating-hero-card {
                grid-template-columns: 1fr;
            }
            .rating-score-box {
                border-right: none;
                border-bottom: 1px solid rgba(255,255,255,0.1);
                padding-right: 0;
                padding-bottom: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--light);
                flex-direction: column;
                padding: 1.5rem;
                border-bottom: 2px solid var(--primary);
                box-shadow: 0 5px 10px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-title {
                font-size: 2.25rem;
            }
            .stats-grid, .creation-grid, .training-grid, .reviews-grid, .articles-list, .troubleshooting-grid, .tech-network-grid {
                grid-template-columns: 1fr;
            }
            .model-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .timeline {
                grid-template-columns: 1fr;
            }
            .about-content, .contact-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .agent-grid {
                grid-template-columns: 1fr;
            }
        }