:root {
            --bg-dark: #080b11;
            --bg-card: #111625;
            --bg-card-hover: #171f33;
            --primary: #00f2fe;
            --secondary: #f107a3;
            --neon-green: #39ff14;
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
            --border-glow: rgba(0, 242, 254, 0.3);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        /* 统一容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 炫彩发光按钮 */
        .btn-neon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border: none;
            border-radius: 50px;
            cursor: pointer;
            box-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
            transition: var(--transition);
        }

        .btn-neon:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(241, 7, 163, 0.6);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            color: var(--text-main);
            background: transparent;
            border: 2px solid var(--primary);
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-outline:hover {
            background: rgba(0, 242, 254, 0.1);
            box-shadow: 0 0 15px var(--border-glow);
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8, 11, 17, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 242, 254, 0.15);
        }

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

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

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .nav-links {
            display: flex;
            gap: 20px;
            list-style: none;
        }

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

        .nav-links a:hover {
            color: var(--primary);
            text-shadow: 0 0 8px rgba(0, 242, 254, 0.6);
        }

        .nav-btn-mobile {
            display: none;
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero首屏 - 无图设计 */
        .hero {
            position: relative;
            padding: 160px 0 100px;
            background: radial-gradient(circle at 50% 30%, rgba(241, 7, 163, 0.08), transparent 60%),
                        radial-gradient(circle at 10% 20%, rgba(0, 242, 254, 0.08), transparent 50%);
            overflow: hidden;
            text-align: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: linear-gradient(rgba(0, 242, 254, 0.03) 1px, transparent 1px),
                              linear-gradient(90deg, rgba(0, 242, 254, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }

        .hero h1 {
            font-size: 2.8rem;
            line-height: 1.25;
            font-weight: 800;
            background: linear-gradient(135deg, #fff 30%, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 20px;
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 35px;
        }

        .hero-btn-group {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        /* 数据指标卡片 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .metric-card {
            background: var(--bg-card);
            border: 1px solid rgba(0, 242, 254, 0.1);
            border-radius: 12px;
            padding: 25px 15px;
            transition: var(--transition);
        }

        .metric-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 5px 20px rgba(0, 242, 254, 0.15);
        }

        .metric-val {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 通用区块样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .section-title {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 50px;
            background: linear-gradient(90deg, #fff, var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* 关于我们与加盟代理 */
        .about-split {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .about-info h3 {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .about-info p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .agent-card {
            background: linear-gradient(145deg, var(--bg-card), #1b2035);
            border: 1px solid var(--secondary);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 0 25px rgba(241, 7, 163, 0.15);
        }

        .agent-card h3 {
            color: var(--secondary);
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        .agent-list {
            list-style: none;
            margin-top: 15px;
        }

        .agent-list li {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-main);
        }

        .agent-list li::before {
            content: "✓";
            color: var(--neon-green);
            font-weight: bold;
        }

        /* 全平台AIGC服务与模型聚合 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            padding: 30px;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary);
            box-shadow: 0 8px 30px rgba(0, 242, 254, 0.2);
        }

        .service-icon {
            font-size: 2rem;
            margin-bottom: 15px;
        }

        .service-card h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 标签云 - AI模型聚合 */
        .tags-wrapper {
            margin-top: 50px;
            text-align: center;
        }

        .tags-title {
            color: var(--text-muted);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 20px;
        }

        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            max-width: 900px;
            margin: 0 auto;
        }

        .tag-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-main);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .tag-item:hover {
            background: rgba(0, 242, 254, 0.15);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* 一站式AIGC制作与素材图展示 */
        .creation-showcase {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .creation-content h3 {
            color: var(--primary);
            margin-bottom: 15px;
        }

        .creation-gallery {
            display: grid;
            gap: 20px;
        }

        .creation-gallery img {
            border-radius: 12px;
            width: 100%;
            height: auto;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }

        .creation-gallery img:hover {
            transform: scale(1.02);
            border-color: var(--secondary);
        }

        /* 标准化流程与步骤 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-item {
            background: var(--bg-card);
            border-radius: 12px;
            padding: 30px 20px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            font-weight: 700;
        }

        .step-item h4 {
            margin-bottom: 8px;
            font-size: 1.1rem;
        }

        .step-item p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 技术标准 */
        .standards-box {
            background: var(--bg-card);
            border: 1px solid rgba(0, 242, 254, 0.15);
            border-radius: 16px;
            padding: 40px;
        }

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

        .standard-item h4 {
            color: var(--primary);
            margin-bottom: 10px;
        }

        .standard-item p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

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

        .case-card {
            background: var(--bg-card);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition);
        }

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

        .case-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }

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

        .case-body {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(241, 7, 163, 0.15);
            color: var(--secondary);
            border-radius: 4px;
            font-size: 0.8rem;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .case-body h4 {
            margin-bottom: 8px;
        }

        .case-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 对比评测 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            background: var(--bg-card);
            border-radius: 16px;
            border: 1px solid rgba(0, 242, 254, 0.15);
        }

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

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .comparison-table th {
            background: rgba(0, 242, 254, 0.05);
            font-weight: 600;
            color: var(--primary);
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .recommend-score {
            text-align: center;
            padding: 30px;
            background: rgba(241, 7, 163, 0.05);
            border-top: 1px dashed var(--secondary);
            border-radius: 0 0 16px 16px;
            display: flex;
            justify-content: space-around;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .score-val {
            font-size: 1.8rem;
            color: var(--secondary);
            font-weight: 700;
        }

        .star-rating {
            color: #f59e0b;
            font-size: 1.5rem;
        }

        /* Token比价参考 */
        .token-price-section {
            background: linear-gradient(180deg, var(--bg-dark), #101424);
        }

        .price-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .price-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }

        .price-card.featured {
            border-color: var(--primary);
            box-shadow: 0 0 20px rgba(0, 242, 254, 0.15);
        }

        .price-card.featured::before {
            content: "推荐";
            position: absolute;
            top: 15px;
            right: -30px;
            background: var(--primary);
            color: #000;
            padding: 4px 30px;
            transform: rotate(45deg);
            font-size: 0.75rem;
            font-weight: 700;
        }

        .price-header h4 {
            font-size: 1.4rem;
            margin-bottom: 10px;
        }

        .price-amount {
            font-size: 2.2rem;
            color: var(--primary);
            font-weight: 800;
            margin: 15px 0;
        }

        .price-amount span {
            font-size: 1rem;
            color: var(--text-muted);
            font-weight: normal;
        }

        .price-features {
            list-style: none;
            margin: 20px 0;
            text-align: left;
        }

        .price-features li {
            margin-bottom: 10px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 培训中心 */
        .training-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .training-list {
            display: grid;
            gap: 15px;
        }

        .training-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: 12px;
            transition: var(--transition);
        }

        .training-item:hover {
            border-color: var(--primary);
            transform: translateX(5px);
        }

        .training-item h4 {
            color: var(--primary);
            margin-bottom: 5px;
        }

        .training-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

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

        .review-card {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 25px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-text {
            font-style: italic;
            font-size: 0.95rem;
            margin-bottom: 20px;
            color: var(--text-main);
        }

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

        .author-avatar {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .author-info h5 {
            font-size: 0.95rem;
        }

        .author-info span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* FAQ折叠面板 */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            font-weight: 600;
        }

        .faq-header:hover {
            color: var(--primary);
        }

        .faq-icon {
            font-size: 1.2rem;
            transition: var(--transition);
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(0, 0, 0, 0.2);
        }

        .faq-content-inner {
            padding: 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 1px solid rgba(255, 255, 255, 0.03);
        }

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

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

        /* 自助排查与术语百科 */
        .kb-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .kb-box {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .kb-box h3 {
            color: var(--primary);
            margin-bottom: 20px;
            font-size: 1.3rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 10px;
        }

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

        .kb-list li {
            margin-bottom: 15px;
        }

        .kb-list h4 {
            font-size: 0.95rem;
            margin-bottom: 4px;
        }

        .kb-list p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 资讯与知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .news-card {
            background: var(--bg-card);
            border-radius: 12px;
            padding: 20px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-card h4 {
            font-size: 1rem;
            margin-bottom: 15px;
            line-height: 1.4;
        }

        .news-link {
            color: var(--primary);
            text-decoration: none;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

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

        /* 表单与需求匹配 */
        .contact-form-wrapper {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .form-container {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 40px;
            border: 1px solid rgba(0, 242, 254, 0.15);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .form-control {
            width: 100%;
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 12px 16px;
            color: var(--text-main);
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 10px rgba(0, 242, 254, 0.25);
        }

        .contact-info-panel {
            background: linear-gradient(135deg, var(--bg-card), rgba(241, 7, 163, 0.05));
            border-radius: 16px;
            padding: 40px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-channels h4 {
            margin-bottom: 20px;
            color: var(--primary);
        }

        .channel-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }

        .channel-item span {
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        .qr-codes {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 30px;
        }

        .qr-item {
            text-align: center;
            background: rgba(0, 0, 0, 0.2);
            padding: 15px;
            border-radius: 8px;
        }

        .qr-item img {
            max-width: 100%;
            height: auto;
            border-radius: 4px;
            margin-bottom: 8px;
        }

        .qr-item span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
            cursor: pointer;
            transition: var(--transition);
            color: #fff;
            text-decoration: none;
            font-size: 1.5rem;
        }

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

        .float-btn .tooltip {
            position: absolute;
            right: 60px;
            background: var(--bg-card);
            border: 1px solid var(--primary);
            color: var(--text-main);
            padding: 8px 12px;
            border-radius: 6px;
            font-size: 0.8rem;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
        }

        .float-btn:hover .tooltip {
            opacity: 1;
        }

        /* 页脚 */
        footer {
            background: #05070a;
            padding: 60px 0 20px;
            border-top: 1px solid rgba(0, 242, 254, 0.15);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1.8fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-info p {
            color: var(--text-muted);
            margin: 15px 0;
            line-height: 1.6;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .footer-links h5 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 0.95rem;
        }

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

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

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: none;
            margin-left: 15px;
        }

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

        /* 响应式调整 */
        @media (max-width: 992px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-dark);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid rgba(0, 242, 254, 0.15);
            }

            .nav-links.active {
                display: flex;
            }

            .nav-btn-mobile {
                display: block;
            }

            .hero h1 {
                font-size: 2.2rem;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .about-split, .creation-showcase, .training-split, .contact-form-wrapper, .footer-grid {
                grid-template-columns: 1fr;
            }

            .service-grid, .cases-grid, .price-cards, .reviews-grid, .faq-grid, .kb-grid, .news-grid {
                grid-template-columns: 1fr;
            }

            .steps-container {
                grid-template-columns: repeat(2, 1fr);
            }

            .standards-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.8rem;
            }

            .steps-container {
                grid-template-columns: 1fr;
            }
        }