:root {
            --bg-color: #0b0c16;
            --card-bg: rgba(20, 22, 45, 0.6);
            --border-color: rgba(0, 240, 255, 0.2);
            --primary-neon: #00f0ff;
            --secondary-neon: #bd00ff;
            --accent-neon: #39ff14;
            --text-color: #e2e8f0;
            --text-muted: #94a3b8;
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

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

        body {
            font-family: var(--font-main);
            background-color: var(--bg-color);
            background-image: radial-gradient(circle at 50% 0%, #1e1145 0%, #0b0c16 70%);
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: var(--primary-neon);
            text-decoration: none;
            transition: all 0.3s ease;
        }

        a:hover {
            color: var(--secondary-neon);
            text-shadow: 0 0 8px rgba(189, 0, 255, 0.6);
        }

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

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 12, 22, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

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

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

        .logo-area img {
            height: 38px;
            width: auto;
        }

        .nav-menu {
            display: flex;
            list-style: none;
        }

        .nav-menu a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-color);
            padding: 5px 10px;
            border-radius: 4px;
        }

        .nav-menu a:hover, .nav-menu a.active {
            color: var(--primary-neon);
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }

        .nav-toggle span {
            display: block;
            width: 25px;
            height: 2px;
            background-color: var(--primary-neon);
            margin: 5px 0;
            transition: 0.3s;
        }

        /* Hero首屏 - 严禁出现图片 */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 20%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 250px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, rgba(189, 0, 255, 0.05) 50%, transparent 100%);
            filter: blur(60px);
            pointer-events: none;
            z-index: 1;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(189, 0, 255, 0.1));
            border: 1px solid var(--border-color);
            font-size: 14px;
            color: var(--primary-neon);
            margin-bottom: 24px;
            letter-spacing: 1px;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
        }

        h1.hero-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.25;
            background: linear-gradient(to right, #ffffff, #00f0ff, #bd00ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 24px;
            text-shadow: 0 0 30px rgba(0, 240, 255, 0.1);
        }

        .hero-desc {
            max-width: 700px;
            margin: 0 auto 40px auto;
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: var(--text-muted);
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 30px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
            border: none;
        }

        .btn-primary {
            background: linear-gradient(90deg, var(--primary-neon), var(--secondary-neon));
            color: #0b0c16;
            box-shadow: 0 4px 20px rgba(0, 240, 255, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 240, 255, 0.6);
            color: #ffffff;
        }

        .btn-secondary {
            background: transparent;
            border: 1px solid var(--primary-neon);
            color: var(--primary-neon);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
        }

        .btn-secondary:hover {
            background: rgba(0, 240, 255, 0.1);
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }

        /* 段落通用标题 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

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

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-neon), var(--secondary-neon));
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 数据指标卡片 */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 40px;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 12px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--secondary-neon);
            box-shadow: 0 10px 25px rgba(189, 0, 255, 0.15);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-neon);
            margin-bottom: 8px;
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
        }

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

        /* AIGC服务 / 服务能力卡片 */
        .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-color);
            padding: 30px;
            border-radius: 12px;
            transition: all 0.3s ease;
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-neon);
            box-shadow: 0 10px 25px rgba(0, 240, 255, 0.15);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(189, 0, 255, 0.2));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--primary-neon);
            font-size: 20px;
            font-weight: bold;
        }

        .service-card h3 {
            font-size: 18px;
            color: #fff;
            margin-bottom: 12px;
        }

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

        /* 一站式制作 / 双列排版 */
        .interactive-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .interactive-content h3 {
            font-size: 1.8rem;
            color: #fff;
            margin-bottom: 15px;
            background: linear-gradient(to right, #fff, var(--primary-neon));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .feature-tag {
            background: rgba(255, 255, 255, 0.05);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .feature-tag.highlight {
            border-color: var(--primary-neon);
            color: var(--primary-neon);
        }

        /* 包含素材展示 */
        .interactive-media {
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            background: rgba(0, 0, 0, 0.3);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
            position: relative;
        }

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

        .interactive-media:hover img {
            transform: scale(1.03);
        }

        /* 平台支持模型跑马灯 */
        .model-marquee {
            width: 100%;
            overflow: hidden;
            white-space: nowrap;
            background: rgba(0,0,0,0.2);
            padding: 15px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .marquee-inner {
            display: inline-block;
            animation: marquee 30s linear infinite;
        }

        .model-item {
            display: inline-block;
            margin: 0 25px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-muted);
            text-shadow: 0 0 10px rgba(0,0,0,0.5);
            transition: color 0.3s;
        }

        .model-item:hover {
            color: var(--primary-neon);
        }

        @keyframes marquee {
            0% { transform: translate3d(0, 0, 0); }
            100% { transform: translate3d(-50%, 0, 0); }
        }

        /* 行业解决方案与培训网络 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 20px;
        }

        .sol-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 10px;
            transition: 0.3s;
        }

        .sol-card:hover {
            border-color: var(--secondary-neon);
            box-shadow: 0 5px 15px rgba(189, 0, 255, 0.1);
        }

        .sol-card h4 {
            font-size: 17px;
            margin-bottom: 10px;
            color: var(--primary-neon);
        }

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

        /* 标准化流程 / 时间线 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            position: relative;
            margin-top: 40px;
        }

        .flow-step {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 12px;
            position: relative;
        }

        .step-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--secondary-neon);
            opacity: 0.7;
            margin-bottom: 10px;
        }

        .flow-step h4 {
            font-size: 16px;
            margin-bottom: 8px;
            color: #fff;
        }

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

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        table.evaluation-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
            background: var(--card-bg);
        }

        table.evaluation-table th, table.evaluation-table td {
            padding: 18px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        table.evaluation-table th {
            background: rgba(0, 240, 255, 0.05);
            font-weight: 600;
            color: #fff;
        }

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

        table.evaluation-table tr:hover td {
            color: #fff;
            background: rgba(255, 255, 255, 0.02);
        }

        .rating-cell {
            color: var(--primary-neon);
            font-weight: bold;
        }

        /* Token 比价 */
        .token-compare-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .token-card {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 12px;
            text-align: center;
        }

        .token-name {
            font-size: 18px;
            font-weight: bold;
            color: #fff;
            margin-bottom: 10px;
        }

        .token-price {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-neon);
            margin: 15px 0;
            text-shadow: 0 0 10px rgba(57, 255, 20, 0.3);
        }

        .token-price span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 用户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 20px;
            margin-top: 40px;
        }

        .comment-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .comment-text {
            font-style: italic;
            color: var(--text-color);
            font-size: 14px;
            margin-bottom: 15px;
        }

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

        .user-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-neon), var(--secondary-neon));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0b0c16;
            font-weight: bold;
            font-size: 14px;
        }

        .user-info h4 {
            font-size: 14px;
            color: #fff;
        }

        .user-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* FAQ折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

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

        .faq-question {
            padding: 20px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background 0.3s;
        }

        .faq-question:hover {
            background: rgba(0, 240, 255, 0.05);
        }

        .faq-question::after {
            content: '+';
            font-size: 20px;
            color: var(--primary-neon);
            transition: transform 0.3s;
        }

        .faq-item.active .faq-question::after {
            transform: rotate(45deg);
            content: '+';
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            padding: 0 20px;
            background: rgba(0, 0, 0, 0.2);
        }

        .faq-item.active .faq-answer {
            max-height: 1000px;
            padding: 20px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

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

        /* AI术语百科 & 行业资讯 */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }

        .wiki-card {
            background: rgba(255,255,255,0.02);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 8px;
        }

        .wiki-card h4 {
            color: var(--primary-neon);
            margin-bottom: 8px;
        }

        .article-section {
            background: rgba(0, 0, 0, 0.2);
            padding: 50px 0;
        }

        .article-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }

        .article-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 8px;
            transition: 0.3s;
        }

        .article-item:hover {
            transform: translateY(-3px);
            border-color: var(--secondary-neon);
        }

        .article-item a {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-color);
            margin-top: 5px;
        }

        /* 需求匹配表单 & 联系我们 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: start;
        }

        .form-wrapper {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
            color: #fff;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            background: rgba(0, 0, 0, 0.5);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: #fff;
            outline: none;
            transition: border-color 0.3s;
        }

        .form-control:focus {
            border-color: var(--primary-neon);
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.2);
        }

        .contact-info {
            color: var(--text-muted);
        }

        .contact-info h3 {
            color: #fff;
            font-size: 24px;
            margin-bottom: 20px;
        }

        .info-item {
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .info-icon {
            width: 40px;
            height: 40px;
            background: rgba(0, 240, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-neon);
        }

        /* 二维码展示 */
        .qr-area {
            margin-top: 30px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
            gap: 20px;
        }

        .qr-card {
            text-align: center;
            background: rgba(255, 255, 255, 0.02);
            padding: 15px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }

        .qr-card img {
            width: 100%;
            max-width: 120px;
            height: auto;
            border-radius: 4px;
            margin-bottom: 8px;
        }

        .qr-card p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 浮动客服 */
        .floating-service {
            position: fixed;
            bottom: 40px;
            right: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .float-btn {
            width: 55px;
            height: 55px;
            background: linear-gradient(135deg, var(--primary-neon), var(--secondary-neon));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0b0c16;
            font-size: 22px;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.4);
            transition: all 0.3s;
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 20px rgba(189, 0, 255, 0.6);
        }

        .float-qr {
            position: absolute;
            bottom: 70px;
            right: 0;
            background: var(--bg-color);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            display: none;
            text-align: center;
            width: 160px;
        }

        .float-qr img {
            width: 100%;
            height: auto;
            border-radius: 6px;
        }

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

        /* 页脚 */
        footer {
            background: #06070d;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px 0;
            font-size: 14px;
        }

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

        .footer-brand p {
            color: var(--text-muted);
            margin-top: 15px;
            max-width: 320px;
        }

        .footer-links h4 {
            color: #fff;
            margin-bottom: 15px;
        }

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

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

        .footer-links a {
            color: var(--text-muted);
        }

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

        .friend-links {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            margin-top: 20px;
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }

        .friend-links a {
            color: var(--text-muted);
        }

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

        .copyright-area {
            text-align: center;
            color: var(--text-muted);
            font-size: 12px;
            margin-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
        }

        /* 移动端适配 */
        @media (max-width: 991px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(11, 12, 22, 0.95);
                backdrop-filter: blur(10px);
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
            }

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

            .nav-toggle {
                display: block;
            }

            .interactive-section, .contact-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

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