/* 霓虹亮彩科技风全局样式系统 */
        :root {
            --bg-base: #060713;
            --bg-surface: #0f1126;
            --bg-card: #151833;
            --primary: #00f2fe;
            --secondary: #ff007f;
            --accent: #00ffcc;
            --text-main: #f5f6fa;
            --text-muted: #8b92b5;
            --border-glow: rgba(0, 242, 254, 0.2);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--accent);
            text-shadow: 0 0 8px var(--accent);
        }

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

        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
        }

        /* 霓虹发光文字与标题 */
        .neon-text-primary {
            color: var(--primary);
            text-shadow: 0 0 10px rgba(0, 242, 258, 0.6);
        }

        .neon-text-secondary {
            color: var(--secondary);
            text-shadow: 0 0 10px rgba(255, 0, 127, 0.6);
        }

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

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 15px;
            display: inline-block;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 霓虹发光按钮 */
        .btn-neon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid var(--primary);
            background: transparent;
            color: var(--primary);
            text-shadow: 0 0 5px rgba(0, 242, 254, 0.5);
            box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
        }

        .btn-neon:hover {
            background: var(--primary);
            color: #000;
            text-shadow: none;
            box-shadow: 0 0 25px var(--primary);
            transform: translateY(-2px);
        }

        .btn-neon-secondary {
            border-color: var(--secondary);
            color: var(--secondary);
            text-shadow: 0 0 5px rgba(255, 0, 127, 0.5);
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.2);
        }

        .btn-neon-secondary:hover {
            background: var(--secondary);
            color: #fff;
            text-shadow: none;
            box-shadow: 0 0 25px var(--secondary);
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(6, 7, 19, 0.85);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 242, 254, 0.15);
            height: 70px;
            display: flex;
            align-items: center;
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

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

        .ai-page-logo {
            height: 35px;
            filter: drop-shadow(0 0 5px var(--primary));
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-menu a {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.9rem;
            position: relative;
            padding: 5px 0;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--primary);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
            box-shadow: 0 0 8px var(--primary);
        }

        .nav-menu a:hover::after {
            width: 100%;
        }

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

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

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

        /* Hero 首屏 - 无任何图片 */
        .hero-section {
            padding-top: 140px;
            padding-bottom: 90px;
            background: radial-gradient(circle at 50% 30%, rgba(15, 17, 38, 0.8) 0%, var(--bg-base) 70%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -10%;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 60%;
            background: radial-gradient(ellipse at center, rgba(0, 242, 254, 0.08), transparent 60%);
            pointer-events: none;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(0, 242, 254, 0.06);
            border: 1px solid rgba(0, 242, 254, 0.3);
            border-radius: 20px;
            color: var(--primary);
            font-size: 0.85rem;
            margin-bottom: 25px;
            box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
        }

        .hero-title {
            font-size: 2.5rem;
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff 30%, var(--primary) 70%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-description {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 35px;
        }

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

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 50px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.03);
            border-top: 3px solid var(--primary);
            border-radius: 8px;
            padding: 25px 20px;
            text-align: center;
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 30px rgba(0, 242, 254, 0.15);
            border-color: var(--accent);
        }

        .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
            text-shadow: 0 0 8px rgba(0,242,254,0.3);
        }

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

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .about-text {
            font-size: 1rem;
            color: var(--text-muted);
        }

        .about-text p {
            margin-bottom: 20px;
        }

        .about-features {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 25px;
        }

        .about-features li {
            position: relative;
            padding-left: 25px;
            color: var(--text-main);
            font-weight: 500;
            font-size: 0.9rem;
        }

        .about-features li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--accent);
            text-shadow: 0 0 5px var(--accent);
            font-weight: bold;
        }

        .about-highlight-card {
            background: linear-gradient(145deg, var(--bg-card), rgba(255, 0, 127, 0.05));
            border: 1px solid rgba(255, 0, 127, 0.2);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 4px 30px rgba(255, 0, 127, 0.05);
            text-align: center;
        }

        .about-highlight-title {
            color: var(--secondary);
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .about-highlight-value {
            font-size: 1.8rem;
            color: #fff;
            font-weight: 800;
            margin-bottom: 10px;
        }

        /* 全平台AIGC服务与模型聚合 */
        .model-tags-container {
            background: var(--bg-surface);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 30px;
            margin-top: 30px;
        }

        .model-tags-title {
            font-size: 1.1rem;
            margin-bottom: 20px;
            color: var(--text-main);
            text-align: center;
        }

        .model-tags-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .model-badge {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            padding: 6px 15px;
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .model-badge:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
            transform: translateY(-2px);
        }

        /* 一站式AIGC制作场景 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
            margin-top: 30px;
        }

        .scene-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.03);
            border-radius: 12px;
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .scene-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }

        .scene-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 30px rgba(0,0,0,0.4);
        }

        .scene-card:hover::before {
            opacity: 1;
        }

        .scene-icon {
            font-size: 2rem;
            margin-bottom: 15px;
            display: inline-block;
        }

        .scene-title {
            font-size: 1.15rem;
            color: var(--text-main);
            margin-bottom: 10px;
            font-weight: 700;
        }

        .scene-desc {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* 全行业解决方案与全国服务网络 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .solution-item {
            background: var(--bg-surface);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            padding: 30px;
            display: flex;
            gap: 20px;
        }

        .solution-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary);
            opacity: 0.8;
            line-height: 1;
        }

        .solution-content h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--primary);
        }

        .solution-content p {
            color: var(--text-muted);
            font-size: 0.88rem;
        }

        .network-section {
            background: linear-gradient(180deg, var(--bg-base) 0%, var(--bg-surface) 100%);
            text-align: center;
        }

        .network-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .network-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            margin-top: 30px;
        }

        .network-badge {
            background: rgba(0, 242, 254, 0.05);
            border: 1px dashed var(--primary);
            border-radius: 6px;
            padding: 8px 18px;
            font-size: 0.9rem;
        }

        /* 标准化AIGC流程与技术标准 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
            margin-top: 40px;
            position: relative;
        }

        .process-step {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            padding: 25px 15px;
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 36px;
            height: 36px;
            line-height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #000;
            font-weight: bold;
            margin: 0 auto 15px;
            box-shadow: 0 0 10px var(--primary);
        }

        .step-title {
            font-size: 0.95rem;
            margin-bottom: 8px;
            font-weight: 600;
        }

        .step-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 客户案例中心 - 含横版与方版素材图 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .case-card {
            background: var(--bg-card);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            border-color: var(--primary);
        }

        .case-image-wrapper {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: #000;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

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

        .case-content {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--secondary);
            border: 1px solid var(--secondary);
            padding: 2px 8px;
            border-radius: 4px;
            margin-bottom: 10px;
        }

        .case-title {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .case-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* 对比评测 - 突出推荐度 */
        .comparison-wrapper {
            background: var(--bg-surface);
            border: 1px solid rgba(0, 242, 254, 0.15);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 4px 30px rgba(0, 242, 254, 0.05);
        }

        .score-box {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 30px;
            margin-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            padding-bottom: 30px;
            flex-wrap: wrap;
        }

        .score-value {
            text-align: center;
        }

        .score-num {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            text-shadow: 0 0 15px rgba(0, 242, 254, 0.5);
        }

        .score-max {
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        .rating-stars {
            color: #ffb800;
            font-size: 1.5rem;
            margin-top: 5px;
        }

        .score-verdict {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            max-width: 400px;
        }

        .comparison-table-wrapper {
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        .comparison-table th,
        .comparison-table td {
            padding: 15px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .comparison-table th {
            color: var(--text-main);
            font-weight: 700;
            background: rgba(255, 255, 255, 0.02);
        }

        .comparison-table tr:hover td {
            background: rgba(255, 255, 255, 0.01);
        }

        .comparison-table td.highlight {
            color: var(--primary);
            font-weight: 600;
        }

        /* Token比价参考与加盟代理 */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .price-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.04);
            border-radius: 12px;
            padding: 30px;
            text-align: center;
            position: relative;
        }

        .price-card.featured {
            border-color: var(--secondary);
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.15);
        }

        .price-card.featured::after {
            content: '最佳首选';
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--secondary);
            color: #fff;
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: bold;
        }

        .price-header h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

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

        .price-features {
            list-style: none;
            margin: 20px 0 30px;
            padding: 0;
            text-align: left;
        }

        .price-features li {
            padding: 8px 0;
            font-size: 0.85rem;
            color: var(--text-muted);
            border-bottom: 1px solid rgba(255,255,255,0.03);
        }

        /* 职业技术培训 / 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .training-card {
            background: var(--bg-surface);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 30px;
            transition: var(--transition);
        }

        .training-card:hover {
            border-color: var(--accent);
            box-shadow: 0 5px 20px rgba(0, 255, 204, 0.1);
        }

        .training-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 15px;
        }

        .training-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .training-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        /* 客户评论卡片 - 6条 */
        .reviews-slider {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.03);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.2);
        }

        .review-text {
            font-style: italic;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
            position: relative;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .author-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
        }

        .author-info p {
            font-size: 0.8rem;
            color: var(--primary);
        }

        /* 智能需求匹配与联系我们表单 */
        .contact-layout {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 40px;
        }

        .contact-info-panel {
            background: var(--bg-surface);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 30px;
        }

        .info-item {
            margin-bottom: 25px;
        }

        .info-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: uppercase;
            margin-bottom: 5px;
        }

        .info-value {
            font-size: 1rem;
            font-weight: 600;
        }

        .form-card {
            background: var(--bg-card);
            border: 1px solid rgba(0, 242, 254, 0.15);
            border-radius: 12px;
            padding: 40px;
        }

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

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

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

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 120px;
        }

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

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.03);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-trigger {
            width: 100%;
            padding: 18px 25px;
            background: transparent;
            border: none;
            color: #fff;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-trigger::after {
            content: '+';
            font-size: 1.3rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active .faq-trigger::after {
            transform: rotate(45deg);
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(255,255,255,0.01);
        }

        .faq-content-inner {
            padding: 0 25px 20px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* 常见问题自助排查与术语百科 */
        .help-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .help-box {
            background: var(--bg-surface);
            border-radius: 12px;
            padding: 30px;
            border: 1px solid rgba(255,255,255,0.05);
        }

        .help-box h3 {
            font-size: 1.15rem;
            margin-bottom: 20px;
            color: var(--primary);
            border-left: 3px solid var(--primary);
            padding-left: 10px;
        }

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

        .help-list li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,255,255,0.03);
            font-size: 0.9rem;
        }

        .help-list li strong {
            color: var(--accent);
        }

        /* 行业资讯 / 知识库 - 承载  及链接 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .news-large-card {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,0.03);
            border-radius: 12px;
            padding: 35px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-large-card h3 {
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 15px;
        }

        .news-links-card {
            background: var(--bg-surface);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 35px;
        }

        .news-links-card h4 {
            font-size: 1.1rem;
            margin-bottom: 20px;
            color: var(--secondary);
        }

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

        .article-link-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(255,255,255,0.03);
            padding-bottom: 10px;
        }

        /* 微信客服浮动窗 */
        .float-kefu {
            position: fixed;
            right: 25px;
            bottom: 25px;
            z-index: 999;
            background: var(--bg-card);
            border: 2px solid var(--primary);
            border-radius: 50%;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
            transition: var(--transition);
        }

        .float-kefu:hover {
            transform: scale(1.08);
            box-shadow: 0 0 30px var(--primary);
        }

        .float-kefu svg {
            width: 28px;
            height: 28px;
            fill: var(--primary);
        }

        .kefu-popover {
            position: absolute;
            bottom: 75px;
            right: 0;
            width: 220px;
            background: var(--bg-card);
            border: 1px solid var(--primary);
            border-radius: 8px;
            padding: 15px;
            text-align: center;
            box-shadow: 0 5px 25px rgba(0,0,0,0.5);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        .float-kefu:hover .kefu-popover {
            opacity: 1;
            visibility: visible;
        }

        .kefu-popover img {
            width: 120px;
            height: 120px;
            margin-bottom: 10px;
            border-radius: 4px;
        }

        .kefu-popover p {
            font-size: 0.8rem;
            color: var(--text-main);
        }

        /* 页脚与友情链接 */
        footer {
            background: #04050d;
            padding: 60px 0 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

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

        .footer-brand h4 {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .footer-links h5 {
            font-size: 1rem;
            color: #fff;
            margin-bottom: 15px;
        }

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

        .footer-links ul li {
            margin-bottom: 8px;
        }

        .footer-links ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

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

        .footer-qrcode {
            display: flex;
            gap: 20px;
        }

        .qrcode-item {
            text-align: center;
        }

        .qrcode-item img {
            width: 90px;
            height: 90px;
            border-radius: 4px;
            margin-bottom: 5px;
            border: 1px solid rgba(255,255,255,0.1);
        }

        .qrcode-item p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .footer-friends {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 30px;
            margin-bottom: 30px;
        }

        .friends-title {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .friends-links-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 15px 25px;
        }

        .friends-links-wrapper a {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid,
            .scene-grid,
            .cases-grid,
            .pricing-grid,
            .training-grid,
            .reviews-slider {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--bg-surface);
                padding: 20px;
                border-bottom: 1px solid var(--primary);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .about-grid,
            .solutions-grid,
            .contact-layout,
            .news-grid,
            .help-grid {
                grid-template-columns: 1fr;
            }
            .process-flow {
                grid-template-columns: 1fr;
            }
            .stats-grid,
            .scene-grid,
            .cases-grid,
            .pricing-grid,
            .training-grid,
            .reviews-slider {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 1.8rem;
            }
        }