:root {
            --bg-color: #08090f;
            --card-bg: rgba(16, 18, 27, 0.85);
            --primary-neon: #00f2fe;
            --secondary-neon: #ff007f;
            --accent-neon: #39ff14;
            --text-main: #ffffff;
            --text-muted: #a0aec0;
            --border-neon: rgba(0, 242, 254, 0.25);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
        }

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

        body {
            background-color: var(--bg-color);
            color: var(--text-main);
            font-family: var(--font-family);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 霓虹亮彩风 背景光斑 */
        body::before {
            content: '';
            position: fixed;
            top: -10%;
            left: -10%;
            width: 120%;
            height: 120%;
            background: 
                radial-gradient(circle at 10% 20%, rgba(0, 242, 254, 0.12) 0%, transparent 40%),
                radial-gradient(circle at 80% 80%, rgba(ff, 0, 127, 0.12) 0%, transparent 40%);
            z-index: -1;
            pointer-events: none;
        }

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

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(8, 9, 15, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-neon);
            z-index: 1000;
        }

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

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

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

        .nav-links {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .nav-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .nav-links a:hover {
            color: var(--primary-neon);
            text-shadow: 0 0 8px var(--primary-neon);
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--primary-neon), var(--secondary-neon));
            color: var(--bg-color) !important;
            padding: 8px 16px;
            border-radius: 4px;
            font-weight: bold;
            box-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.6);
        }

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

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            transition: 0.3s;
        }

        /* 首屏 Hero - 无图片 */
        .hero-section {
            padding: 160px 0 100px;
            text-align: center;
            position: relative;
        }

        .hero-title {
            font-size: 2.8rem;
            line-height: 1.2;
            font-weight: 800;
            background: linear-gradient(to right, #ffffff, var(--primary-neon), var(--secondary-neon));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 20px;
            text-shadow: 0 0 30px rgba(0, 242, 254, 0.2);
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .btn-neon {
            display: inline-block;
            padding: 15px 35px;
            font-size: 16px;
            font-weight: bold;
            text-decoration: none;
            border-radius: 30px;
            position: relative;
            transition: all 0.3s;
            cursor: pointer;
        }

        .btn-neon-primary {
            background: linear-gradient(90deg, var(--primary-neon), var(--secondary-neon));
            color: var(--bg-color);
            box-shadow: 0 0 25px rgba(0, 242, 254, 0.5);
        }

        .btn-neon-primary:hover {
            box-shadow: 0 0 35px rgba(255, 0, 127, 0.8);
            transform: scale(1.05);
        }

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

        .btn-neon-secondary:hover {
            background: rgba(0, 242, 254, 0.1);
            box-shadow: 0 0 15px var(--primary-neon);
            transform: scale(1.05);
        }

        /* 数据指标卡片 */
        .stats-section {
            padding: 40px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-neon);
            border-radius: 8px;
            padding: 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(95deg, var(--primary-neon), var(--secondary-neon));
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 0 20px rgba(0, 242, 254, 0.3);
            border-color: var(--primary-neon);
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-neon);
            margin-bottom: 5px;
        }

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

        /* Section 通用样式 */
        .section-padding {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-tag {
            color: var(--secondary-neon);
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 10px;
            display: block;
            font-weight: bold;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .section-desc {
            color: var(--text-muted);
            max-width: 600px;
            margin: 15px auto 0;
        }

        /* 关于我们 & 平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.8rem;
            color: var(--primary-neon);
            margin-bottom: 20px;
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 16px;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .about-feature-item {
            background: rgba(255, 255, 255, 0.03);
            border-left: 3px solid var(--secondary-neon);
            padding: 15px;
            border-radius: 0 8px 8px 0;
        }

        .about-feature-item h4 {
            color: var(--text-main);
            margin-bottom: 5px;
        }

        .about-feature-item p {
            color: var(--text-muted);
            font-size: 13px;
            margin: 0;
        }

        /* AIGC服务 & 制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border-neon);
            border-radius: 12px;
            padding: 30px;
            transition: all 0.3s ease;
            position: relative;
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: var(--secondary-neon);
            box-shadow: 0 10px 25px rgba(255, 0, 127, 0.2);
        }

        .service-icon {
            font-size: 2rem;
            color: var(--primary-neon);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.4rem;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
        }

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

        .service-tag-item {
            background: rgba(0, 242, 254, 0.1);
            color: var(--primary-neon);
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid rgba(0, 242, 254, 0.2);
        }

        /* 标签云 - 支持的 AI 平台 */
        .platform-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .platform-tag {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-main);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 14px;
            transition: all 0.3s;
        }

        .platform-tag:hover {
            background: rgba(0, 242, 254, 0.15);
            border-color: var(--primary-neon);
            color: var(--primary-neon);
            box-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
            transform: scale(1.05);
        }

        /* 标准化流程 & 时间线 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding-left: 30px;
            border-left: 2px dashed var(--border-neon);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 40px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -37px;
            top: 5px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--secondary-neon);
            box-shadow: 0 0 10px var(--secondary-neon);
        }

        .timeline-badge {
            background: linear-gradient(135deg, var(--primary-neon), var(--secondary-neon));
            color: var(--bg-color);
            font-size: 12px;
            font-weight: bold;
            padding: 2px 8px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 10px;
        }

        .timeline-title {
            font-size: 1.3rem;
            color: var(--text-main);
            margin-bottom: 8px;
        }

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

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 1px solid var(--border-neon);
            border-radius: 8px;
            background: var(--card-bg);
        }

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

        .compare-table th, .compare-table td {
            padding: 15px 20px;
            border-bottom: 1px solid rgba(0, 242, 254, 0.1);
        }

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

        .compare-table tr:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .compare-table td strong {
            color: var(--accent-neon);
        }

        .rating-badge {
            display: inline-block;
            background: rgba(57, 255, 20, 0.15);
            color: var(--accent-neon);
            border: 1px solid var(--accent-neon);
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: bold;
        }

        /* Token 比价 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .token-card {
            background: var(--card-bg);
            border: 1px solid var(--border-neon);
            border-radius: 8px;
            padding: 25px;
            text-align: center;
        }

        .token-name {
            font-size: 1.2rem;
            color: var(--text-main);
            margin-bottom: 10px;
            font-weight: bold;
        }

        .token-price {
            font-size: 1.8rem;
            color: var(--accent-neon);
            margin: 15px 0;
            font-weight: 800;
        }

        .token-feature {
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px dashed rgba(255, 255, 255, 0.1);
            padding-top: 15px;
            margin-top: 15px;
        }

        /* 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .training-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            padding: 25px;
            text-align: center;
            transition: all 0.3s;
        }

        .training-card:hover {
            border-color: var(--primary-neon);
            box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
            transform: translateY(-5px);
        }

        .training-icon {
            font-size: 2.2rem;
            color: var(--secondary-neon);
            margin-bottom: 15px;
        }

        .training-card h3 {
            font-size: 1.1rem;
            color: var(--text-main);
            margin-bottom: 10px;
        }

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

        /* 客户案例 - 包含横版素材图和宣传图 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-card {
            background: var(--card-bg);
            border: 1px solid var(--border-neon);
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.3s;
        }

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

        .case-image-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #111;
            position: relative;
        }

        .case-image-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .case-card:hover .case-image-container img {
            transform: scale(1.08);
        }

        .case-body {
            padding: 20px;
        }

        .case-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

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

        /* 客户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .review-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            padding: 25px;
            position: relative;
        }

        .review-card::before {
            content: "“";
            position: absolute;
            top: 15px;
            left: 20px;
            font-size: 4rem;
            color: rgba(0, 242, 254, 0.1);
            font-family: serif;
            line-height: 1;
        }

        .review-text {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

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

        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-neon), var(--secondary-neon));
            display: flex;
            justify-content: center;
            align-items: center;
            font-weight: bold;
            color: var(--bg-color);
        }

        .user-info h4 {
            color: var(--text-main);
            font-size: 14px;
        }

        .user-info span {
            color: var(--primary-neon);
            font-size: 12px;
        }

        /* FAQ 折叠面板 */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-neon);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: all 0.3s;
        }

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

        .faq-question:hover {
            background: rgba(0, 242, 254, 0.05);
        }

        .faq-icon {
            transition: transform 0.3s;
            color: var(--primary-neon);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(255, 255, 255, 0.01);
            border-top: 1px solid transparent;
        }

        .faq-answer p {
            padding: 20px;
            color: var(--text-muted);
            font-size: 14px;
            margin: 0;
        }

        .faq-item.active .faq-answer {
            max-height: 250px;
            border-top: 1px solid rgba(0, 242, 254, 0.1);
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        /* AI 术语百科 & 自助排查 */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .wiki-card {
            background: rgba(255, 255, 255, 0.02);
            border-left: 4px solid var(--primary-neon);
            padding: 20px;
            border-radius: 0 8px 8px 0;
        }

        .wiki-card h3 {
            font-size: 1.1rem;
            color: var(--text-main);
            margin-bottom: 8px;
        }

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

        /* 资讯 / 知识库 */
        .news-section {
            background: rgba(255, 255, 255, 0.01);
            border-top: 1px solid rgba(255, 255, 255, 0.03);
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
        }

        .news-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .news-link-card {
            background: var(--card-bg);
            border: 1px solid var(--border-neon);
            padding: 20px;
            border-radius: 8px;
            text-decoration: none;
            display: block;
            transition: all 0.3s;
        }

        .news-link-card:hover {
            border-color: var(--secondary-neon);
            box-shadow: 0 5px 15px rgba(255, 0, 127, 0.2);
            transform: translateY(-3px);
        }

        .news-link-title {
            color: var(--text-main);
            font-weight: bold;
            font-size: 14px;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-link-btn {
            font-size: 12px;
            color: var(--secondary-neon);
            font-weight: bold;
        }

        /* 智能匹配 & 联系我们 表单 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-info h3 {
            font-size: 1.8rem;
            color: var(--primary-neon);
            margin-bottom: 25px;
        }

        .contact-details {
            margin-bottom: 40px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
            color: var(--text-muted);
        }

        .contact-icon-box {
            width: 40px;
            height: 40px;
            background: rgba(0, 242, 254, 0.1);
            border: 1px solid var(--border-neon);
            border-radius: 8px;
            display: flex;
            justify-content: center;
            align-items: center;
            color: var(--primary-neon);
            font-weight: bold;
        }

        .qr-code-box {
            display: inline-block;
            background: #fff;
            padding: 10px;
            border-radius: 8px;
            max-width: 150px;
        }

        .qr-code-box img {
            width: 100%;
            height: auto;
            display: block;
        }

        .contact-form {
            background: var(--card-bg);
            border: 1px solid var(--border-neon);
            padding: 40px;
            border-radius: 12px;
            position: relative;
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            color: var(--text-main);
            font-size: 14px;
        }

        .form-control {
            width: 100%;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 6px;
            padding: 12px 15px;
            color: #fff;
            font-family: var(--font-family);
            font-size: 14px;
            transition: all 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-neon);
            box-shadow: 0 0 8px rgba(0, 242, 254, 0.2);
            background: rgba(255, 255, 255, 0.05);
        }

        /* 友情链接区 */
        .friendship-links {
            padding: 40px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            background: rgba(255, 255, 255, 0.01);
            text-align: center;
        }

        .friendship-title {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 15px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .friendship-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px 25px;
        }

        .friendship-container a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
            transition: color 0.3s;
        }

        .friendship-container a:hover {
            color: var(--primary-neon);
        }

        /* 页脚 */
        footer {
            background: #05060a;
            border-top: 1px solid rgba(0, 242, 254, 0.1);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            margin: 15px 0;
        }

        .footer-title {
            font-size: 15px;
            color: var(--text-main);
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -6px;
            width: 30px;
            height: 2px;
            background: var(--primary-neon);
        }

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

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

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
            transition: color 0.3s;
        }

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

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

        .footer-info p {
            margin-bottom: 10px;
        }

        .copyright-area {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 30px;
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 浮动客服入口 */
        .float-kefu {
            position: fixed;
            right: 25px;
            bottom: 25px;
            z-index: 999;
            background: linear-gradient(135deg, var(--primary-neon), var(--secondary-neon));
            color: var(--bg-color);
            width: 55px;
            height: 55px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            font-weight: bold;
            box-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
            cursor: pointer;
            transition: all 0.3s;
            font-size: 13px;
            text-align: center;
            line-height: 1.2;
            padding: 5px;
            border: none;
        }

        .float-kefu:hover {
            transform: scale(1.1) rotate(5deg);
            box-shadow: 0 0 25px rgba(255, 0, 127, 0.6);
        }

        /* 移动端菜单控制 */
        @media (max-width: 991px) {
            .about-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .menu-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-color);
                border-bottom: 1px solid var(--border-neon);
                padding: 20px;
                gap: 15px;
            }
            .nav-links.active {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }