:root {
            --primary-gradient: linear-gradient(135deg, #ff007f 0%, #7000ff 100%);
            --secondary-gradient: linear-gradient(135deg, #00f0ff 0%, #7000ff 100%);
            --neon-pink: #ff007f;
            --neon-blue: #00f0ff;
            --neon-purple: #7000ff;
            --dark-text: #12131a;
            --body-text: #3c3f4d;
            --light-bg: #f9faff;
            --card-bg: rgba(255, 255, 255, 0.85);
            --border-color: rgba(112, 0, 255, 0.15);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--light-bg);
            color: var(--body-text);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
            position: relative;
        }

        /* 艳色潮流潮流感背景装饰线，不遮挡正文 */
        body::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 10% 20%, rgba(0, 240, 255, 0.03) 0%, transparent 40%),
                        radial-gradient(circle at 90% 80%, rgba(255, 0, 127, 0.03) 0%, transparent 40%);
            pointer-events: none;
            z-index: -1;
        }

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

        /* 统一标题 */
        .section-title {
            text-align: center;
            font-size: 2.2rem;
            color: var(--dark-text);
            margin-bottom: 12px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        .section-title span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-subtitle {
            text-align: center;
            color: #666e80;
            max-width: 600px;
            margin: 0 auto 48px auto;
            font-size: 1.1rem;
        }

        /* 导航栏 */
        header {
            position: sticky;
            top: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: var(--transition);
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ai-page-logo {
            height: 38px;
            width: auto;
        }

        .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-links {
            display: flex;
            gap: 24px;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--dark-text);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--neon-purple);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-gradient);
            transition: var(--transition);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-btn {
            background: var(--primary-gradient);
            color: #fff !important;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600 !important;
            box-shadow: 0 4px 15px rgba(112, 0, 255, 0.2);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 0, 127, 0.3);
        }

        .nav-btn::after {
            display: none !important;
        }

        /* 移动端导航切换 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background: var(--dark-text);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Hero首屏 - 严禁出现任何图片 */
        .hero {
            padding: 100px 0 80px 0;
            text-align: center;
            background: radial-gradient(120% 120% at 50% 10%, #fff 40%, rgba(200, 180, 255, 0.15) 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(112, 0, 255, 0.08);
            border: 1px solid rgba(112, 0, 255, 0.2);
            color: var(--neon-purple);
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 1px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.03); }
            100% { transform: scale(1); }
        }

        .hero h1 {
            font-size: 3rem;
            line-height: 1.25;
            color: var(--dark-text);
            font-weight: 900;
            max-width: 900px;
            margin: 0 auto 24px auto;
            letter-spacing: -1px;
        }

        .hero h1 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: #555c6e;
            max-width: 750px;
            margin: 0 auto 40px auto;
            line-height: 1.8;
        }

        .hero-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            font-size: 1.05rem;
            font-weight: 700;
            border-radius: 50px;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 10px 25px rgba(112, 0, 255, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 0, 127, 0.35);
        }

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

        .btn-secondary:hover {
            transform: translateY(-3px);
            background: rgba(112, 0, 255, 0.03);
            border-color: var(--neon-purple);
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 20px;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 20px;
            box-shadow: 0 8px 30px rgba(112, 0, 255, 0.03);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--neon-pink);
            box-shadow: 0 15px 35px rgba(255, 0, 127, 0.08);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            background: var(--secondary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: #666e80;
            font-weight: 600;
        }

        /* 通用Section结构 */
        section {
            padding: 90px 0;
            border-bottom: 1px solid rgba(112, 0, 255, 0.05);
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.12fr 0.88fr;
            gap: 48px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.8rem;
            color: var(--dark-text);
            margin-bottom: 20px;
            font-weight: 750;
        }

        .about-content p {
            margin-bottom: 20px;
            color: var(--body-text);
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .features-list {
            list-style: none;
            margin-top: 30px;
        }

        .features-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 16px;
            font-weight: 600;
            color: var(--dark-text);
        }

        .features-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--neon-pink);
            font-weight: 900;
            font-size: 1.1rem;
        }

        .about-badge-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .badge-box {
            background: #fff;
            padding: 24px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            text-align: center;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }

        .badge-box h4 {
            font-size: 1.1rem;
            color: var(--neon-purple);
            margin-bottom: 8px;
            font-weight: 700;
        }

        /* 全平台 AIGC 服务 & 支持平台 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 32px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--primary-gradient);
            opacity: 0;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(112, 0, 255, 0.08);
            border-color: rgba(112, 0, 255, 0.3);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-icon {
            width: 50px;
            height: 50px;
            background: rgba(112, 0, 255, 0.08);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--neon-purple);
            margin-bottom: 24px;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--dark-text);
            font-weight: 700;
        }

        .service-card p {
            color: #666e80;
            font-size: 0.95rem;
        }

        /* 模型标签云 */
        .model-cloud-wrapper {
            margin-top: 50px;
            background: #fff;
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 40px rgba(0,0,0,0.02);
        }

        .model-cloud-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--dark-text);
            margin-bottom: 24px;
            text-align: center;
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .model-tag {
            padding: 8px 18px;
            background: var(--light-bg);
            border: 1px solid rgba(112, 0, 255, 0.1);
            color: var(--body-text);
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition);
        }

        .model-tag:hover {
            background: var(--secondary-gradient);
            color: #fff;
            border-color: transparent;
            transform: scale(1.05);
        }

        /* 一站式AIGC制作场景与案例图文 */
        .production-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            align-items: center;
        }

        .production-content h3 {
            font-size: 1.8rem;
            color: var(--dark-text);
            margin-bottom: 20px;
            font-weight: 750;
        }

        .production-scenes {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-top: 24px;
        }

        .scene-item {
            background: #fff;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .scene-item:hover {
            border-color: var(--neon-pink);
            box-shadow: 0 8px 24px rgba(255, 0, 127, 0.05);
        }

        .scene-item h4 {
            font-size: 1.05rem;
            color: var(--dark-text);
            margin-bottom: 8px;
            font-weight: 700;
        }

        .scene-item p {
            font-size: 0.88rem;
            color: #666e80;
        }

        .production-media {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .media-container {
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            background: #fff;
        }

        .media-container img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }

        .media-container:hover img {
            transform: scale(1.02);
        }

        .media-caption {
            padding: 16px 20px;
            background: #fff;
            border-top: 1px solid var(--border-color);
            font-size: 0.95rem;
            color: var(--dark-text);
            font-weight: 600;
        }

        /* 解决方案 & 案例中心 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .solution-card {
            background: #fff;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(112, 0, 255, 0.06);
            border-color: var(--neon-purple);
        }

        .solution-info {
            padding: 28px;
        }

        .solution-info h3 {
            font-size: 1.25rem;
            color: var(--dark-text);
            margin-bottom: 12px;
            font-weight: 700;
        }

        .solution-info p {
            font-size: 0.9rem;
            color: #666e80;
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .solution-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .solution-tag {
            font-size: 0.75rem;
            padding: 4px 10px;
            background: rgba(112, 0, 255, 0.05);
            color: var(--neon-purple);
            border-radius: 4px;
            font-weight: 600;
        }

        /* 标准化AIGC流程 & 流程步骤 & 技术标准 & 全国服务网络 */
        .workflow-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            margin-top: 40px;
        }

        .workflow-timeline::before {
            content: '';
            position: absolute;
            top: 35px;
            left: 10%;
            width: 80%;
            height: 2px;
            background: linear-gradient(to right, var(--neon-pink), var(--neon-purple), var(--neon-blue));
            z-index: 1;
        }

        .workflow-step {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .step-num {
            width: 70px;
            height: 70px;
            background: #fff;
            border: 3px solid var(--neon-purple);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--neon-purple);
            margin: 0 auto 20px auto;
            box-shadow: 0 8px 20px rgba(112, 0, 255, 0.15);
            transition: var(--transition);
        }

        .workflow-step:hover .step-num {
            background: var(--primary-gradient);
            color: #fff;
            border-color: transparent;
            transform: scale(1.1);
        }

        .workflow-step h3 {
            font-size: 1.15rem;
            color: var(--dark-text);
            margin-bottom: 8px;
            font-weight: 700;
        }

        .workflow-step p {
            font-size: 0.88rem;
            color: #666e80;
            padding: 0 10px;
        }

        .network-standards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
            margin-top: 50px;
        }

        .network-box, .standards-box {
            background: #fff;
            padding: 32px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            box-shadow: 0 6px 24px rgba(0,0,0,0.01);
        }

        .network-box h3, .standards-box h3 {
            font-size: 1.3rem;
            color: var(--dark-text);
            margin-bottom: 18px;
            font-weight: 700;
        }

        .network-box ul, .standards-box ul {
            list-style: none;
        }

        .network-box li, .standards-box li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            font-size: 0.95rem;
        }

        .network-box li::before, .standards-box li::before {
            content: '●';
            position: absolute;
            left: 0;
            color: var(--neon-blue);
        }

        /* 对比评测 - 突出 9.9分 与 五星推荐 */
        .comparison-wrapper {
            background: #fff;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            padding: 40px;
            box-shadow: 0 10px 40px rgba(112, 0, 255, 0.04);
        }

        .rating-hero {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 40px;
            margin-bottom: 40px;
            padding-bottom: 30px;
            border-bottom: 1px solid var(--border-color);
            flex-wrap: wrap;
        }

        .rating-number {
            text-align: center;
        }

        .rating-number .score {
            font-size: 4.5rem;
            font-weight: 900;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
        }

        .rating-number .max-score {
            font-size: 1.2rem;
            color: #666e80;
        }

        .rating-stars {
            text-align: center;
        }

        .stars {
            font-size: 2.2rem;
            color: #ffb800;
            margin-bottom: 6px;
        }

        .stars-label {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark-text);
        }

        .comparison-table-wrapper {
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(112, 0, 255, 0.08);
        }

        .comparison-table th {
            font-weight: 700;
            color: var(--dark-text);
            background: var(--light-bg);
        }

        .comparison-table td strong {
            color: var(--neon-purple);
        }

        .comparison-table tr:hover {
            background: rgba(112, 0, 255, 0.01);
        }

        /* Token 比价参考 & 价格参考 */
        .token-pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .token-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 32px;
            text-align: center;
            transition: var(--transition);
        }

        .token-card:hover {
            transform: translateY(-5px);
            border-color: var(--neon-blue);
            box-shadow: 0 12px 30px rgba(0, 240, 255, 0.08);
        }

        .token-card.recommended {
            border-color: var(--neon-purple);
            position: relative;
            box-shadow: 0 12px 30px rgba(112, 0, 255, 0.08);
        }

        .token-card.recommended::after {
            content: '首选推荐';
            position: absolute;
            top: 12px;
            right: 12px;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            background: var(--primary-gradient);
            color: #fff;
            border-radius: 4px;
        }

        .token-name {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--dark-text);
            margin-bottom: 12px;
        }

        .token-price {
            margin: 20px 0;
        }

        .token-price .val {
            font-size: 2rem;
            font-weight: 900;
            color: var(--dark-text);
        }

        .token-price .unit {
            font-size: 0.9rem;
            color: #666e80;
        }

        .token-features {
            list-style: none;
            margin: 24px 0;
            text-align: left;
        }

        .token-features li {
            padding: 8px 0;
            font-size: 0.9rem;
            border-bottom: 1px dashed rgba(0,0,0,0.05);
        }

        /* 职业技术培训 & 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .course-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 32px;
            display: flex;
            gap: 20px;
            transition: var(--transition);
        }

        .course-card:hover {
            transform: translateY(-5px);
            border-color: var(--neon-pink);
            box-shadow: 0 12px 30px rgba(255, 0, 127, 0.05);
        }

        .course-icon {
            font-size: 2.2rem;
            color: var(--neon-pink);
            line-height: 1;
        }

        .course-info h3 {
            font-size: 1.25rem;
            color: var(--dark-text);
            margin-bottom: 10px;
            font-weight: 700;
        }

        .course-info p {
            font-size: 0.9rem;
            color: #666e80;
            margin-bottom: 16px;
        }

        .course-meta {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--neon-purple);
            background: rgba(112, 0, 255, 0.05);
            padding: 4px 10px;
            border-radius: 4px;
            display: inline-block;
        }

        /* 智能需求匹配 & 表单接入 */
        .match-section {
            background: radial-gradient(100% 100% at 50% 50%, #fff 60%, rgba(112, 0, 255, 0.04) 100%);
        }

        .match-container {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
        }

        .match-info h3 {
            font-size: 1.8rem;
            color: var(--dark-text);
            margin-bottom: 16px;
            font-weight: 750;
        }

        .match-info p {
            margin-bottom: 24px;
            line-height: 1.8;
        }

        .match-form {
            background: #fff;
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            box-shadow: 0 15px 45px rgba(112, 0, 255, 0.05);
        }

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

        .form-group label {
            display: block;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--dark-text);
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            color: var(--dark-text);
            background: var(--light-bg);
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--neon-purple);
            box-shadow: 0 0 0 3px rgba(112, 0, 255, 0.15);
            background: #fff;
        }

        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237000ff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            background-size: 16px;
            padding-right: 40px;
        }

        .form-submit-btn {
            width: 100%;
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-size: 1.05rem;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 6px 20px rgba(112, 0, 255, 0.2);
            transition: var(--transition);
        }

        .form-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(255, 0, 127, 0.3);
        }

        /* 加盟代理 */
        .join-wrapper {
            background: #fff;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            padding: 40px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.01);
        }

        .join-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .join-card {
            background: var(--light-bg);
            padding: 28px;
            border-radius: 16px;
            border: 1px solid rgba(112, 0, 255, 0.08);
            text-align: center;
        }

        .join-card h3 {
            font-size: 1.2rem;
            color: var(--dark-text);
            margin-bottom: 12px;
            font-weight: 700;
        }

        /* 行业资讯 / 知识库 / AI术语百科 / 常见问题自助排查 */
        .kb-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-item {
            background: #fff;
            padding: 24px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            transition: var(--transition);
        }

        .news-item:hover {
            transform: translateY(-3px);
            border-color: var(--neon-blue);
            box-shadow: 0 8px 24px rgba(0, 240, 255, 0.05);
        }

        .news-info h4 {
            font-size: 1.1rem;
            color: var(--dark-text);
            margin-bottom: 8px;
            font-weight: 700;
        }

        .news-info p {
            font-size: 0.88rem;
            color: #666e80;
        }

        .news-link {
            font-size: 0.9rem;
            color: var(--neon-purple);
            text-decoration: none;
            font-weight: 600;
            white-space: nowrap;
        }

        .news-link:hover {
            color: var(--neon-pink);
        }

        .sidebar-box {
            background: #fff;
            padding: 28px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            margin-bottom: 24px;
        }

        .sidebar-box:last-child {
            margin-bottom: 0;
        }

        .sidebar-box h3 {
            font-size: 1.15rem;
            color: var(--dark-text);
            margin-bottom: 16px;
            font-weight: 700;
            border-bottom: 2px solid var(--neon-purple);
            padding-bottom: 8px;
            display: inline-block;
        }

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

        .sidebar-list li {
            margin-bottom: 12px;
            font-size: 0.9rem;
        }

        .sidebar-list li a {
            color: var(--body-text);
            text-decoration: none;
            transition: var(--transition);
        }

        .sidebar-list li a:hover {
            color: var(--neon-purple);
            padding-left: 4px;
        }

        /* 帮助中心 / 常见用户问题 FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: var(--neon-purple);
            box-shadow: 0 6px 20px rgba(112, 0, 255, 0.05);
        }

        .faq-header {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            background: #fff;
        }

        .faq-header h4 {
            font-size: 1.05rem;
            color: var(--dark-text);
            font-weight: 700;
        }

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

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

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background: var(--light-bg);
        }

        .faq-content {
            padding: 20px 24px;
            font-size: 0.95rem;
            color: var(--body-text);
            border-top: 1px solid rgba(112, 0, 255, 0.05);
            line-height: 1.7;
        }

        /* 6条客户评论 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 50px;
        }

        .testimonial-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 28px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.01);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .testimonial-card:hover {
            transform: translateY(-5px);
            border-color: var(--neon-pink);
            box-shadow: 0 15px 35px rgba(255, 0, 127, 0.06);
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: var(--body-text);
            margin-bottom: 20px;
            line-height: 1.7;
            position: relative;
        }

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid rgba(0,0,0,0.05);
            padding-top: 16px;
        }

        .user-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--secondary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .user-meta h4 {
            font-size: 0.95rem;
            color: var(--dark-text);
            font-weight: 700;
        }

        .user-meta span {
            font-size: 0.8rem;
            color: #666e80;
        }

        /* 联系我们 & 页脚 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
        }

        .contact-details {
            background: #fff;
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.01);
        }

        .contact-details h3 {
            font-size: 1.5rem;
            color: var(--dark-text);
            margin-bottom: 24px;
            font-weight: 750;
        }

        .contact-info-list {
            margin-bottom: 32px;
        }

        .contact-info-item {
            margin-bottom: 18px;
            font-size: 1rem;
        }

        .contact-info-item strong {
            color: var(--dark-text);
            margin-right: 8px;
        }

        .qrcode-group {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .qrcode-box {
            text-align: center;
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
            background: var(--light-bg);
        }

        .qrcode-box img {
            width: 120px;
            height: 120px;
            margin-bottom: 12px;
            border-radius: 8px;
        }

        .qrcode-box p {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--dark-text);
        }

        /* 页脚 */
        footer {
            background: #111217;
            color: #a0a5b5;
            padding: 60px 0 30px 0;
            font-size: 0.9rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 48px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 16px;
            font-weight: 800;
        }

        .footer-brand p {
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .footer-links h4 {
            color: #fff;
            margin-bottom: 16px;
            font-weight: 700;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #a0a5b5;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-friends {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 10px;
        }

        .footer-friends a {
            font-size: 0.85rem;
            color: #a0a5b5;
            background: rgba(255, 255, 255, 0.05);
            padding: 6px 12px;
            border-radius: 4px;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-friends a:hover {
            color: #fff;
            background: var(--neon-purple);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .ai-page-home-link {
            color: var(--neon-blue);
            text-decoration: none;
            font-weight: bold;
        }

        .ai-page-home-link:hover {
            text-decoration: underline;
        }

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

        .float-item {
            width: 50px;
            height: 50px;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 24px rgba(112, 0, 255, 0.15);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .float-item:hover {
            background: var(--primary-gradient);
            color: #fff;
            transform: translateY(-3px);
        }

        .float-item svg {
            width: 22px;
            height: 22px;
            fill: currentColor;
        }

        .float-qr-hover {
            position: absolute;
            bottom: 0;
            right: 60px;
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 16px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            display: none;
            text-align: center;
            width: 160px;
        }

        .float-qr-hover img {
            width: 120px;
            height: 120px;
            border-radius: 4px;
            margin-bottom: 8px;
        }

        .float-qr-hover p {
            font-size: 0.8rem;
            color: var(--dark-text);
            font-weight: 700;
        }

        .float-item:hover .float-qr-hover {
            display: block;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .hero h1 { font-size: 2.5rem; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .services-grid { grid-template-columns: repeat(2, 1fr); }
            .production-grid { grid-template-columns: 1fr; }
            .solutions-grid { grid-template-columns: repeat(2, 1fr); }
            .workflow-timeline { grid-template-columns: repeat(2, 1fr); gap: 40px; }
            .workflow-timeline::before { display: none; }
            .token-pricing-grid { grid-template-columns: repeat(2, 1fr); }
            .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .menu-toggle { display: flex; }
            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: #fff;
                flex-direction: column;
                padding: 40px 24px;
                gap: 30px;
                transition: var(--transition);
                box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            }
            .nav-links.active { left: 0; }
            .hero h1 { font-size: 2rem; }
            .about-grid, .match-container, .kb-grid, .faq-grid, .contact-grid { grid-template-columns: 1fr; }
            .stats-grid, .services-grid, .solutions-grid, .token-pricing-grid, .training-grid, .join-grid, .testimonials-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .course-card { flex-direction: column; }
        }