/* 页面基础重置与全局样式（暗夜赛博高饱和粉紫风） */
        :root {
            --bg-color: #06020f;
            --card-bg: #12092b;
            --card-bg-hover: #1e1042;
            --primary: #ff007f; /* 霓虹高饱和粉 */
            --secondary: #8a2be2; /* 罗兰紫 */
            --accent: #00f0ff; /* 赛博青/蓝 */
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
            --border-color: rgba(255, 0, 127, 0.2);
            --border-hover: rgba(0, 240, 255, 0.4);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        /* 统一外层居中容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 渐变文本 */
        .gradient-text {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }

        /* 按钮通用样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 30px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: #ffffff;
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(255, 0, 127, 0.7);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-main);
            border: 1px solid var(--primary);
            box-shadow: inset 0 0 5px rgba(255, 0, 127, 0.2);
        }

        .btn-outline:hover {
            background: rgba(255, 0, 127, 0.1);
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(6, 2, 15, 0.85);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
        }

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

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

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

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

        .nav-links a {
            color: var(--text-main);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }

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

        .nav-btn {
            display: flex;
            align-items: center;
            gap: 15px;
        }

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

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

        /* 区域通用样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 0, 127, 0.05);
        }

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

        .section-header h2 {
            font-size: 32px;
            margin-bottom: 15px;
            color: #fff;
        }

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

        /* Hero首屏 - 绝对不允许有图片，用纯CSS样式表现高科技氛围 */
        .hero-section {
            padding: 150px 0 100px 0;
            background: radial-gradient(circle at 80% 20%, rgba(138, 43, 226, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(255, 0, 127, 0.15) 0%, transparent 50%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero-glow-ball {
            position: absolute;
            width: 300px;
            height: 300px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            filter: blur(120px);
            border-radius: 50%;
            opacity: 0.3;
            z-index: 0;
        }

        .hero-glow-1 { top: 10%; left: 10%; }
        .hero-glow-2 { bottom: 10%; right: 10%; }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 0, 127, 0.1);
            border: 1px solid var(--primary);
            border-radius: 20px;
            font-size: 14px;
            color: var(--primary);
            margin-bottom: 25px;
            letter-spacing: 1px;
            animation: pulse 2s infinite;
        }

        .hero-content h1 {
            font-size: 48px;
            line-height: 1.2;
            margin-bottom: 25px;
        }

        .hero-content p.hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
        }

        .hero-features-strip {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
        }

        .strip-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-main);
            font-weight: 500;
        }

        .strip-item i {
            color: var(--accent);
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -30px;
            position: relative;
            z-index: 2;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            border-radius: 12px;
            text-align: center;
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--border-hover);
            box-shadow: 0 10px 20px rgba(0, 240, 255, 0.1);
        }

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

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

        /* 关于我们 & 平台介绍 */
        .about-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 28px;
            margin-bottom: 20px;
        }

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

        .about-highlights {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .highlight-box {
            background: rgba(255, 255, 255, 0.02);
            border-left: 3px solid var(--accent);
            padding: 15px;
            border-radius: 0 8px 8px 0;
        }

        .highlight-box h4 {
            font-size: 16px;
            margin-bottom: 5px;
            color: #fff;
        }

        .highlight-box p {
            font-size: 13px;
            margin-bottom: 0;
        }

        .about-media {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
        }

        .about-media img {
            width: 100%;
            display: block;
        }

        /* AIGC 服务与制作场景 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            transition: var(--transition);
        }

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

        .feature-icon {
            font-size: 40px;
            color: var(--accent);
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
            color: #fff;
        }

        .feature-card p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 15px;
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .tag {
            background: rgba(138, 43, 226, 0.15);
            color: var(--text-main);
            border: 1px solid rgba(138, 43, 226, 0.3);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 11px;
        }

        /* 支持的AI平台轮播滚动带 (纯CSS动画) */
        .marquee-container {
            background: #0e0520;
            padding: 25px 0;
            border-y: 1px solid var(--border-color);
            overflow: hidden;
            position: relative;
        }

        .marquee-track {
            display: flex;
            width: max-content;
            animation: scroll 40s linear infinite;
        }

        .marquee-item {
            color: var(--text-muted);
            font-size: 18px;
            font-weight: 700;
            padding: 0 30px;
            white-space: nowrap;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .marquee-item span {
            color: var(--primary);
        }

        @keyframes scroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* 流程步骤与技术标准 */
        .step-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
            margin-top: 40px;
        }

        .step-node {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 12px;
            position: relative;
        }

        .step-num {
            position: absolute;
            top: -20px;
            left: 20px;
            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: 800;
            font-size: 18px;
            box-shadow: 0 0 10px var(--primary);
        }

        .step-node h4 {
            margin-top: 15px;
            margin-bottom: 10px;
            font-size: 18px;
        }

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

        /* 对比评测表格 */
        .comparison-wrapper {
            overflow-x: auto;
            margin-top: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
            background: var(--card-bg);
        }

        .comparison-table th, .comparison-table td {
            padding: 18px 20px;
            border-bottom: 1px solid rgba(255, 0, 127, 0.1);
        }

        .comparison-table th {
            background: #0e0520;
            font-weight: 600;
            color: #fff;
        }

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

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

        .highlight-row {
            background: rgba(255, 0, 127, 0.05);
        }

        .rating-badge {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            padding: 4px 10px;
            border-radius: 15px;
            font-size: 12px;
            font-weight: 800;
            color: #fff;
            display: inline-block;
        }

        /* 案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

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

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

        .case-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

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

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 8px;
            display: block;
        }

        .case-info h4 {
            font-size: 18px;
            margin-bottom: 10px;
            color: #fff;
        }

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

        /* 人工智能系列培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }

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

        .training-card h4 {
            font-size: 16px;
            margin-bottom: 10px;
            color: #fff;
        }

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

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

        .review-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            position: relative;
        }

        .review-text {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            font-style: italic;
        }

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

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

        .user-info h5 {
            font-size: 14px;
            color: #fff;
        }

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

        /* 行业资讯 & 最新文章 */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .article-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .article-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(255, 255, 255, 0.02);
            padding: 15px 20px;
            border-radius: 8px;
            border: 1px solid transparent;
            transition: var(--transition);
            text-decoration: none;
            color: var(--text-main);
        }

        .article-item:hover {
            border-color: var(--border-hover);
            background: rgba(255, 255, 255, 0.04);
        }

        .article-title {
            font-size: 15px;
            font-weight: 500;
        }

        .article-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 需求匹配与表单 */
        .form-section-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
        }

        .form-intro h3 {
            font-size: 28px;
            margin-bottom: 15px;
        }

        .form-intro p {
            color: var(--text-muted);
            margin-bottom: 25px;
        }

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

        .benefit-list li {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
        }

        .benefit-list li i {
            color: var(--primary);
        }

        .form-container {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 15px 30px 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(6, 2, 15, 0.6);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: #fff;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
        }

        /* FAQ折叠面板 & AI术语 */
        .faq-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-header {
            padding: 18px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
        }

        .faq-header span {
            color: #fff;
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(0, 0, 0, 0.15);
        }

        .faq-content {
            padding: 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .faq-item.active {
            border-color: var(--accent);
        }

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

        .faq-item.active .faq-header::after {
            content: "−";
        }

        .faq-header::after {
            content: "+";
            font-size: 20px;
            color: var(--accent);
        }

        /* 术语百科与标签云 */
        .term-box {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 12px;
        }

        .term-box h3 {
            margin-bottom: 20px;
            color: #fff;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud span {
            background: rgba(255, 0, 127, 0.05);
            border: 1px solid rgba(255, 0, 127, 0.15);
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-main);
            cursor: pointer;
            transition: var(--transition);
        }

        .tag-cloud span:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.4);
        }

        /* 底部与页脚 */
        footer {
            background: #04010b;
            padding: 60px 0 30px 0;
            border-top: 1px solid var(--border-color);
        }

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

        .footer-logo-desc {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

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

        .footer-col h5 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 20px;
            position: relative;
        }

        .footer-col h5::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -6px;
            width: 30px;
            height: 2px;
            background: var(--primary);
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a, .footer-links span {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

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

        .footer-qrcode {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .footer-qrcode img {
            width: 90px;
            height: 90px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
        }

        .footer-qrcode-desc {
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 0, 127, 0.1);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

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

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

        /* 侧边浮动组件 */
        .floating-box {
            position: fixed;
            right: 20px;
            bottom: 80px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }

        .float-item {
            width: 50px;
            height: 50px;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            cursor: pointer;
            position: relative;
            transition: var(--transition);
            box-shadow: 0 4px 10px rgba(0,0,0,0.3);
        }

        .float-item:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 15px var(--primary);
        }

        .float-qr-hover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 8px;
            display: none;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
        }

        .float-qr-hover img {
            width: 120px;
            height: 120px;
        }

        .float-qr-hover span {
            font-size: 12px;
            color: #fff;
            white-space: nowrap;
        }

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

        /* 移动端菜单激活样式 */
        .nav-links.active {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 70px;
            left: 0;
            width: 100%;
            background: var(--bg-color);
            border-bottom: 1px solid var(--border-color);
            padding: 20px;
            gap: 15px;
            z-index: 999;
        }

        @keyframes pulse {
            0% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.05); opacity: 0.8; }
            100% { transform: scale(1); opacity: 1; }
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 20px;
            }
            .about-layout {
                grid-template-columns: 1fr;
            }
            .grid-3, .cases-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .faq-layout {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .hero-content p.hero-desc {
                font-size: 15px;
            }
            .grid-3, .cases-grid, .reviews-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .form-section-layout, .news-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .step-timeline {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .step-node {
                padding-top: 35px;
            }
            .step-num {
                top: -15px;
            }
        }