/* 炫彩荧光风 - CSS 样式系统 */
        :root {
            --bg-dark: #0a0f1d;
            --bg-card: #121829;
            --bg-input: #1a2238;
            --primary: #00f3ff;
            --secondary: #ff007f;
            --neon-green: #39ff14;
            --text-light: #f8fafc;
            --text-muted: #94a3b8;
            --border-neon: rgba(0, 243, 255, 0.2);
            --gradient-neon: linear-gradient(135deg, #00f3ff 0%, #ff007f 100%);
            --gradient-glow: linear-gradient(135deg, rgba(0, 243, 255, 0.1) 0%, rgba(ff, 0, 7f, 0.1) 100%);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: var(--font-sans);
            background-color: var(--bg-dark);
            color: var(--text-light);
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
            position: relative;
        }

        /* 隐藏滚动条背景但保留轨道 */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }

        /* 布局容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* 头部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 15, 29, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-neon);
            transition: all 0.3s ease;
        }

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

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-light);
        }

        .ai-page-logo {
            height: 40px;
            width: auto;
            filter: drop-shadow(0 0 8px rgba(0, 243, 255, 0.6));
        }

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 1px;
            background: var(--gradient-neon);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-links a {
            text-decoration: none;
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s ease;
        }

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

        .nav-btn {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 8px 16px;
            border-radius: 5px;
            font-size: 13px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 0 10px rgba(0, 243, 255, 0.15);
            text-decoration: none;
        }

        .nav-btn:hover {
            background: var(--primary);
            color: var(--bg-dark);
            box-shadow: 0 0 20px rgba(0, 243, 255, 0.5);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 24px;
            cursor: pointer;
        }

        /* 核心区 section */
        section {
            padding: 100px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
        }

        /* 首屏 Hero 区 - 无图片约束 */
        .hero-section {
            padding-top: 180px;
            padding-bottom: 120px;
            background: radial-gradient(circle at 50% 30%, rgba(0, 243, 255, 0.12) 0%, rgba(255, 0, 127, 0.05) 50%, var(--bg-dark) 100%);
            text-align: center;
            overflow: hidden;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 15px;
            background: rgba(0, 243, 255, 0.1);
            border: 1px solid var(--primary);
            border-radius: 30px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 25px;
            text-transform: uppercase;
            box-shadow: 0 0 15px rgba(0, 243, 255, 0.2);
            animation: pulse-border 2s infinite alternate;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 25px;
            letter-spacing: -0.5px;
        }

        .hero-title span {
            background: var(--gradient-neon);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 30px rgba(0, 243, 255, 0.1);
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px auto;
        }

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

        .btn-primary {
            background: var(--gradient-neon);
            color: #fff;
            padding: 15px 35px;
            border-radius: 5px;
            font-size: 16px;
            font-weight: 700;
            text-decoration: none;
            box-shadow: 0 0 20px rgba(0, 243, 255, 0.35);
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            letter-spacing: 1px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 30px rgba(0, 243, 255, 0.6), 0 0 10px rgba(255, 0, 127, 0.4);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-light);
            padding: 15px 35px;
            border-radius: 5px;
            font-size: 16px;
            font-weight: 700;
            text-decoration: none;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
            cursor: pointer;
            letter-spacing: 1px;
        }

        .btn-secondary:hover {
            border-color: var(--secondary);
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.4);
            transform: translateY(-3px);
            color: var(--secondary);
        }

        /* 统一标题模块 */
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

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

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-light);
        }

        .section-title span {
            background: var(--gradient-neon);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* 数据指标卡片 (22. 首页附加) */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 50px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            padding: 30px 20px;
            border-radius: 10px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 0 20px rgba(0, 243, 255, 0.2);
            border-color: var(--primary);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 5px;
            text-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
        }

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

        /* 平台介绍板块 (2. 关于我们) */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .about-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 15px;
        }

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

        .about-feat-item {
            background: rgba(255, 255, 255, 0.02);
            padding: 15px;
            border-left: 3px solid var(--secondary);
            border-radius: 0 8px 8px 0;
        }

        .about-feat-item h4 {
            font-size: 16px;
            margin-bottom: 5px;
            color: var(--text-light);
        }

        .about-feat-item p {
            font-size: 13px;
            margin: 0;
        }

        /* 全平台AIGC服务 (3. 全平台AIGC服务) */
        .model-scroller-box {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: 10px;
            padding: 40px;
            margin-bottom: 40px;
        }

        .model-tags-container {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .model-tag {
            background: rgba(0, 243, 255, 0.05);
            border: 1px solid rgba(0, 243, 255, 0.3);
            color: var(--text-light);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .model-tag:hover {
            background: var(--primary);
            color: var(--bg-dark);
            transform: scale(1.05);
            box-shadow: 0 0 15px var(--primary);
        }

        .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scene-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 25px;
            border-radius: 10px;
            transition: all 0.3s ease;
            position: relative;
        }

        .scene-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border-radius: 10px;
            background: var(--gradient-glow);
            opacity: 0;
            transition: opacity 0.3s;
            z-index: 1;
        }

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

        .scene-card:hover {
            transform: translateY(-5px);
            border-color: var(--secondary);
            box-shadow: 0 0 25px rgba(255, 0, 127, 0.15);
        }

        .scene-card > * {
            position: relative;
            z-index: 2;
        }

        .scene-icon {
            font-size: 32px;
            margin-bottom: 15px;
            color: var(--secondary);
            display: inline-block;
        }

        .scene-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-light);
        }

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

        /* 一站式AIGC制作 (4. 一站式AIGC制作 & 7. 标准化AIGC流程 & 8. 技术标准) */
        .step-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
            position: relative;
        }

        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            padding: 30px 20px;
            border-radius: 10px;
            position: relative;
            transition: all 0.3s ease;
        }

        .step-item:hover {
            border-color: var(--primary);
            box-shadow: 0 0 20px rgba(0, 243, 255, 0.2);
            transform: translateY(-5px);
        }

        .step-num {
            position: absolute;
            top: -15px;
            left: 20px;
            background: var(--gradient-neon);
            width: 35px;
            height: 35px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            box-shadow: 0 0 10px rgba(0, 243, 255, 0.5);
        }

        .step-title {
            margin-top: 10px;
            font-size: 18px;
            color: var(--text-light);
            margin-bottom: 10px;
        }

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

        /* 解决方案 (5. 全行业解决方案 & 6. 全国服务网络) */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .solution-card {
            background: linear-gradient(180deg, var(--bg-card) 0%, rgba(18, 24, 41, 0.8) 100%);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 30px;
            border-radius: 10px;
            transition: all 0.3s ease;
        }

        .solution-card:hover {
            border-color: var(--primary);
            box-shadow: 0 0 25px rgba(0, 243, 255, 0.15);
            transform: translateY(-5px);
        }

        .solution-tag {
            color: var(--primary);
            font-size: 12px;
            text-transform: uppercase;
            font-weight: bold;
            margin-bottom: 10px;
            display: block;
        }

        .solution-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .solution-list {
            list-style: none;
            margin-bottom: 20px;
        }

        .solution-list li {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .solution-list li::before {
            content: "✓";
            color: var(--neon-green);
            font-weight: bold;
        }

        /* 客户案例中心 (9. 客户案例中心) */
        .case-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .case-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
        }

        .case-card:hover {
            border-color: var(--secondary);
            box-shadow: 0 0 25px rgba(255, 0, 127, 0.15);
        }

        .case-img-container {
            width: 100%;
            height: 250px;
            overflow: hidden;
            background: #1a2238;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .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-badge {
            background: rgba(255, 0, 127, 0.1);
            color: var(--secondary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: bold;
            display: inline-block;
            margin-bottom: 12px;
        }

        .case-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-light);
        }

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

        /* 对比评测板块 (10. 对比评测) */
        .comparison-wrapper {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 0 30px rgba(0, 243, 255, 0.05);
        }

        .comparison-hero {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 30px;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .comp-score-box {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .comp-score {
            font-size: 48px;
            font-weight: 900;
            color: var(--primary);
            text-shadow: 0 0 15px rgba(0, 243, 255, 0.5);
            background: rgba(0, 243, 255, 0.05);
            padding: 10px 20px;
            border-radius: 8px;
            border: 1px solid var(--primary);
        }

        .comp-meta h4 {
            font-size: 18px;
            color: var(--text-light);
            margin-bottom: 5px;
        }

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

        .comp-stars {
            color: #ffd700;
            font-size: 20px;
            text-shadow: 0 0 10px rgba(255, 215, 0, 0.4);
        }

        .comp-table-container {
            width: 100%;
            overflow-x: auto;
        }

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

        .comp-table th, .comp-table td {
            padding: 15px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 14px;
        }

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

        .comp-table td strong {
            color: var(--neon-green);
        }

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

        /* Token比价参考 (12. Token比价参考) */
        .token-pricing-box {
            margin-top: 40px;
        }

        /* 职业技术培训 & 人工智能培训 (13. 职业技术培训 & 14. 人工智能培训) */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .training-card {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: 10px;
            padding: 30px;
            position: relative;
            transition: all 0.3s ease;
        }

        .training-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 0 25px rgba(0, 243, 255, 0.2);
            border-color: var(--primary);
        }

        .training-cert {
            background: rgba(57, 255, 20, 0.1);
            color: var(--neon-green);
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: bold;
            position: absolute;
            top: 20px;
            right: 20px;
        }

        .training-title {
            font-size: 18px;
            font-weight: 700;
            margin-top: 15px;
            margin-bottom: 12px;
            color: var(--text-light);
        }

        .training-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .training-badge-list {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .training-badge {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-light);
            font-size: 11px;
            padding: 4px 8px;
            border-radius: 4px;
        }

        /* 加盟代理板块 (21. 加盟代理) */
        .agent-container {
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.08) 0%, rgba(0, 243, 255, 0.08) 100%);
            border: 1px solid var(--border-neon);
            border-radius: 12px;
            padding: 40px;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .agent-info h3 {
            font-size: 26px;
            color: var(--text-light);
            margin-bottom: 15px;
        }

        .agent-info p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 25px;
        }

        .agent-perks {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .agent-perk-item {
            background: rgba(10, 15, 29, 0.6);
            padding: 15px;
            border-radius: 8px;
            border-left: 3px solid var(--primary);
        }

        .agent-perk-item h4 {
            font-size: 14px;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .agent-perk-item p {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
        }

        .agent-action {
            text-align: center;
        }

        .agent-qr-box {
            display: inline-block;
            background: var(--bg-card);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid rgba(255, 0, 127, 0.3);
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.15);
        }

        .agent-qr-box img {
            width: 140px;
            height: 140px;
            border-radius: 6px;
            margin-bottom: 10px;
        }

        .agent-qr-box p {
            font-size: 12px;
            color: var(--text-light);
            margin: 0;
        }

        /* 智能需求匹配与联系表单 (11. 智能需求匹配 & 20. 联系我们) */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
        }

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

        .form-title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 25px;
            color: var(--primary);
        }

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

        .form-label {
            display: block;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-input {
            width: 100%;
            background: var(--bg-input);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-light);
            padding: 12px 16px;
            border-radius: 6px;
            font-size: 14px;
            outline: none;
            transition: all 0.3s ease;
        }

        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 10px rgba(0, 243, 255, 0.25);
        }

        .form-select {
            width: 100%;
            background: var(--bg-input);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-light);
            padding: 12px 16px;
            border-radius: 6px;
            font-size: 14px;
            outline: none;
            cursor: pointer;
        }

        .form-textarea {
            resize: vertical;
            min-height: 100px;
        }

        .contact-info-panel {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .contact-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 25px;
            border-radius: 10px;
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .contact-card-icon {
            font-size: 28px;
            color: var(--secondary);
        }

        .contact-card-detail h4 {
            font-size: 16px;
            color: var(--text-light);
            margin-bottom: 5px;
        }

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

        /* 帮助中心 & AI术语百科 & 自助排查 (15. 帮助中心 & 17. 常见问题自助排查 & 18. AI术语百科) */
        .help-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .help-box {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            padding: 30px;
        }

        .help-box h3 {
            font-size: 20px;
            margin-bottom: 20px;
            color: var(--primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding-bottom: 10px;
        }

        .term-list, .trouble-list {
            list-style: none;
        }

        .term-list li, .trouble-list li {
            margin-bottom: 15px;
        }

        .term-list strong, .trouble-list strong {
            color: var(--text-light);
            font-size: 14px;
            display: block;
            margin-bottom: 3px;
        }

        .term-list p, .trouble-list p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 行业资讯 / 知识库 (19. 行业资讯 / 知识库) */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .article-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            padding: 25px;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .article-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 15px;
            line-height: 1.4;
        }

        .article-link {
            font-size: 12px;
            color: var(--primary);
            text-decoration: none;
            font-weight: bold;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-link:hover {
            text-decoration: underline;
        }

        /* 客户评论卡片 (11. 必须包含6条用户评论) */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 30px;
            border-radius: 10px;
            position: relative;
        }

        .review-text {
            font-size: 13px;
            color: var(--text-muted);
            font-style: italic;
            margin-bottom: 20px;
            position: relative;
        }

        .review-text::before {
            content: "“";
            font-size: 32px;
            color: var(--secondary);
            position: absolute;
            top: -20px;
            left: -10px;
            opacity: 0.3;
        }

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

        .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient-neon);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 16px;
            color: var(--bg-dark);
        }

        .review-meta h4 {
            font-size: 14px;
            color: var(--text-light);
        }

        .review-meta p {
            font-size: 11px;
            color: var(--primary);
        }

        /* FAQ 折叠面板 (16. 常见用户问题 FAQ) */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 15px 0;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            color: var(--text-light);
            font-size: 16px;
            font-weight: 600;
            padding: 10px 0;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            outline: none;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            color: var(--text-muted);
            font-size: 14px;
        }

        .faq-answer p {
            padding-bottom: 15px;
            line-height: 1.6;
        }

        .faq-icon {
            font-size: 20px;
            transition: transform 0.3s ease;
            color: var(--primary);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--secondary);
        }

        /* 页脚 (20. 页脚与链接) */
        footer {
            background: #050811;
            padding: 60px 0 20px 0;
            border-top: 1px solid var(--border-neon);
            color: var(--text-muted);
            font-size: 13px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            color: var(--text-light);
            font-size: 18px;
            margin-bottom: 15px;
        }

        .footer-brand p {
            margin-bottom: 15px;
            line-height: 1.6;
        }

        .footer-links h5 {
            color: var(--text-light);
            font-size: 14px;
            margin-bottom: 15px;
            text-transform: uppercase;
        }

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

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

        .footer-links ul li a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

        .footer-contact h5 {
            color: var(--text-light);
            font-size: 14px;
            margin-bottom: 15px;
        }

        .footer-contact p {
            margin-bottom: 8px;
        }

        .footer-qrs {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .footer-qr-item {
            text-align: center;
        }

        .footer-qr-item img {
            width: 80px;
            height: 80px;
            border-radius: 4px;
            margin-bottom: 5px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-qr-item p {
            font-size: 10px;
            margin: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 12px;
        }

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

        /* 浮动客服入口 */
        .floating-kefu {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            background: var(--bg-card);
            border: 1px solid var(--primary);
            border-radius: 50%;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 0 15px rgba(0, 243, 255, 0.3);
            transition: all 0.3s ease;
        }

        .floating-kefu:hover {
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 243, 255, 0.6);
        }

        .floating-kefu-icon {
            font-size: 20px;
            color: var(--primary);
        }

        .kefu-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: 8px;
            padding: 15px;
            width: 160px;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
            text-align: center;
            display: none;
        }

        .kefu-popover img {
            width: 120px;
            height: 120px;
            border-radius: 4px;
            margin-bottom: 8px;
        }

        .kefu-popover p {
            font-size: 11px;
            color: var(--text-light);
            margin: 0;
        }

        /* 动画关键帧 */
        @keyframes pulse-border {
            0% {
                box-shadow: 0 0 5px rgba(0, 243, 255, 0.2);
                border-color: rgba(0, 243, 255, 0.4);
            }
            100% {
                box-shadow: 0 0 20px rgba(0, 243, 255, 0.6);
                border-color: rgba(0, 243, 255, 1);
            }
        }

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

        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--bg-dark);
                border-bottom: 1px solid var(--border-neon);
                padding: 20px;
                gap: 15px;
            }
            .nav-links.active {
                display: flex;
            }
            .hero-title {
                font-size: 32px;
            }
            .about-grid, .contact-grid, .agent-container, .help-grid {
                grid-template-columns: 1fr;
            }
            .scene-grid, .training-grid, .reviews-grid, .stats-grid, .solution-grid, .case-grid, .article-grid {
                grid-template-columns: 1fr;
            }
            .step-timeline {
                grid-template-columns: 1fr;
            }
            .step-item {
                margin-top: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }