:root {
            --bg-color: #06050c;
            --card-bg: #110e24;
            --card-hover-bg: #1b163a;
            --text-color: #e2e1e9;
            --text-muted: #8e8aa8;
            --primary: #ff007f;
            --secondary: #7f00ff;
            --cyan: #00f0ff;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --max-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

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

        /* 霓虹特效 */
        .neon-text-pink {
            color: var(--primary);
            text-shadow: 0 0 10px rgba(255, 0, 127, 0.5), 0 0 20px rgba(255, 0, 127, 0.3);
        }
        .neon-text-purple {
            color: var(--secondary);
            text-shadow: 0 0 10px rgba(127, 0, 255, 0.5), 0 0 20px rgba(127, 0, 255, 0.3);
        }
        .neon-border {
            border: 1px solid rgba(255, 0, 127, 0.3);
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.1), inset 0 0 15px rgba(255, 0, 127, 0.1);
        }
        .neon-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            display: inline-block;
            border: none;
            cursor: pointer;
            box-shadow: 0 0 15px rgba(127, 0, 255, 0.4);
            transition: all 0.3s ease;
            text-align: center;
        }
        .neon-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(255, 0, 127, 0.6);
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(6, 5, 12, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 15px 0;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ai-page-logo {
            height: 40px;
            width: auto;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
        }
        .nav-menu a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
        }
        .nav-menu a:hover, .nav-menu a.active {
            color: var(--primary);
        }
        .nav-btn-group {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
        }

        /* Hero首屏 - 严禁出现图片 */
        .hero {
            position: relative;
            padding: 180px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(127, 0, 255, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(255, 0, 127, 0.1) 0%, transparent 50%);
            text-align: center;
            overflow: hidden;
        }
        /* CSS动态网格装饰，代替图片 */
        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
                              linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: 0;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
        }
        .hero-badge {
            background: rgba(255, 0, 127, 0.1);
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 14px;
            display: inline-block;
            margin-bottom: 25px;
            font-weight: 500;
        }
        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 25px;
            background: linear-gradient(135deg, #fff 30%, #ff007f 70%, #00f0ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .hero-btns .outline-btn {
            border: 1px solid var(--cyan);
            color: var(--cyan);
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
        }
        .hero-btns .outline-btn:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }

        /* 通用页面模块 */
        section {
            padding: 100px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
            position: relative;
        }
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 15px;
            background: linear-gradient(90deg, #fff, var(--cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            margin-top: -30px;
            position: relative;
            z-index: 10;
        }
        .stat-card {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 30px 20px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all 0.3s ease;
        }
        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            background: var(--card-hover-bg);
        }
        .stat-val {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 5px;
        }
        .stat-lbl {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 24px;
            color: #fff;
            margin-bottom: 20px;
        }
        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .about-features {
            list-style: none;
        }
        .about-features li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 15px;
            color: var(--text-color);
        }
        .about-features li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--cyan);
            font-weight: bold;
        }
        .about-visual {
            background: linear-gradient(135deg, var(--card-bg), #06050c);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
        }

        /* 能力卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .service-card {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 40px 30px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all 0.3s ease;
        }
        .service-card:hover {
            transform: translateY(-8px);
            border-color: var(--secondary);
            box-shadow: 0 10px 30px rgba(127, 0, 255, 0.15);
        }
        .service-icon {
            font-size: 40px;
            margin-bottom: 25px;
            color: var(--cyan);
        }
        .service-card h3 {
            font-size: 20px;
            color: #fff;
            margin-bottom: 15px;
        }
        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 标签云 - 支持平台 */
        .tags-wrapper {
            margin-top: 40px;
            text-align: center;
        }
        .tags-title {
            font-size: 18px;
            color: #fff;
            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, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-color);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            transition: all 0.3s;
        }
        .tag-item:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--cyan);
            color: var(--cyan);
        }

        /* 一站式AIGC流程 */
        .process-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
        }
        .process-step {
            background: var(--card-bg);
            padding: 30px;
            border-radius: 16px;
            position: relative;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .step-num {
            position: absolute;
            top: -20px;
            left: 30px;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
        }
        .process-step h3 {
            font-size: 18px;
            color: #fff;
            margin-top: 10px;
            margin-bottom: 10px;
        }
        .process-step p {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* 对比评测表格 */
        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background: var(--card-bg);
            color: var(--text-color);
            min-width: 800px;
        }
        .comparison-table th, .comparison-table td {
            padding: 18px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .comparison-table th {
            background: rgba(255, 255, 255, 0.02);
            color: #fff;
            font-weight: 600;
        }
        .comparison-table tr:hover {
            background: rgba(255, 255, 255, 0.01);
        }
        .badge-highlight {
            background: rgba(255, 0, 127, 0.15);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            border: 1px solid var(--primary);
        }

        /* 智能需求匹配与表单 */
        .interactive-form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }
        .form-info h3 {
            font-size: 24px;
            color: #fff;
            margin-bottom: 20px;
        }
        .form-info p {
            color: var(--text-muted);
            margin-bottom: 30px;
        }
        .form-card {
            background: var(--card-bg);
            padding: 40px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
            color: var(--text-color);
        }
        .form-control {
            width: 100%;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            padding: 12px 16px;
            color: #fff;
            font-size: 14px;
            transition: all 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--cyan);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
        }
        select.form-control option {
            background-color: var(--bg-color);
            color: #fff;
        }

        /* 案例展示 - 允许图片 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .case-card {
            background: var(--card-bg);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all 0.3s ease;
        }
        .case-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }
        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #111;
        }
        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .case-card:hover .case-img-container img {
            transform: scale(1.05);
        }
        .case-info {
            padding: 25px;
        }
        .case-tag {
            color: var(--cyan);
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 10px;
            display: inline-block;
        }
        .case-info h3 {
            font-size: 18px;
            color: #fff;
            margin-bottom: 10px;
        }
        .case-info p {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* 客户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .review-card {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
        }
        .review-rating {
            color: #ffd700;
            margin-bottom: 15px;
        }
        .review-text {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
            font-style: italic;
        }
        .review-author {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: bold;
            font-size: 14px;
        }
        .author-meta h4 {
            font-size: 14px;
            color: #fff;
        }
        .author-meta p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* FAQ 折叠面板 */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-trigger {
            width: 100%;
            padding: 20px;
            background: none;
            border: none;
            text-align: left;
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-trigger::after {
            content: "+";
            font-size: 20px;
            color: var(--cyan);
            transition: transform 0.3s;
        }
        .faq-item.active .faq-trigger::after {
            transform: rotate(45deg);
        }
        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
            color: var(--text-muted);
            font-size: 14px;
        }
        .faq-item.active .faq-content {
            padding: 0 20px 20px 20px;
            max-height: 200px;
        }

        /* 文章列表/知识库 */
        .articles-list {
            list-style: none;
            max-width: 900px;
            margin: 0 auto;
        }
        .article-item {
            background: var(--card-bg);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            padding: 20px;
            margin-bottom: 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s;
        }
        .article-item:hover {
            border-color: var(--cyan);
            transform: translateX(5px);
        }
        .article-title-link {
            font-weight: 600;
            color: #fff;
            font-size: 16px;
        }
        .article-title-link:hover {
            color: var(--cyan);
        }
        .article-date {
            color: var(--text-muted);
            font-size: 12px;
        }

        /* 页脚与友情链接 */
        footer {
            background: #040308;
            padding: 80px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 2fr;
            gap: 45px;
            margin-bottom: 50px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 20px;
            font-weight: 600;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul a:hover {
            color: var(--primary);
        }
        .contact-info-list li {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .qr-codes {
            display: flex;
            gap: 20px;
            margin-top: 15px;
        }
        .qr-item {
            text-align: center;
            font-size: 12px;
        }
        .qr-item img {
            width: 100px;
            height: 100px;
            margin-bottom: 5px;
            border-radius: 8px;
            border: 2px solid rgba(255, 255, 255, 0.05);
        }
        .friend-links {
            margin-top: 40px;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        .friend-links a {
            color: var(--text-muted);
            font-size: 13px;
        }
        .friend-links a:hover {
            color: var(--cyan);
        }
        .footer-bottom {
            margin-top: 30px;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
            font-size: 12px;
        }

        /* 浮动客服 */
        .floating-contact {
            position: fixed;
            bottom: 40px;
            right: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            box-shadow: 0 5px 15px rgba(255,0,127,0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            cursor: pointer;
            position: relative;
            transition: all 0.3s;
        }
        .float-btn:hover {
            transform: scale(1.1);
        }
        .float-btn .tooltip-qr {
            position: absolute;
            right: 65px;
            bottom: 0;
            background: var(--card-bg);
            border: 1px solid rgba(255, 0, 127, 0.3);
            border-radius: 10px;
            padding: 15px;
            display: none;
            flex-direction: column;
            align-items: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            width: 150px;
        }
        .float-btn .tooltip-qr img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }
        .float-btn .tooltip-qr span {
            font-size: 12px;
            color: #fff;
            white-space: nowrap;
        }
        .float-btn:hover .tooltip-qr {
            display: flex;
        }

        /* 响应式样式适配 */
        @media (max-width: 1024px) {
            .stats-grid, .services-grid, .cases-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-timeline {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .interactive-form-grid, .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            header {
                padding: 10px 0;
            }
            .nav-menu {
                display: none; /* 简化移动端，仅保留主要按钮 */
            }
            .nav-btn-group {
                gap: 10px;
            }
            .hero {
                padding: 140px 0 70px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 15px;
            }
            .services-grid, .cases-grid, .reviews-grid, .process-timeline {
                grid-template-columns: 1fr;
            }
            .form-card {
                padding: 20px;
            }
            .floating-contact {
                bottom: 20px;
                right: 20px;
            }
        }