:root {
            --bg-primary: #f8fafc;
            --bg-secondary: #ffffff;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --neon-blue: #00d2ff;
            --neon-purple: #9d4edd;
            --neon-green: #39ff14;
            --neon-pink: #ff007f;
            --gradient-neon: linear-gradient(135deg, #00d2ff 0%, #9d4edd 50%, #ff007f 100%);
            --gradient-glow: linear-gradient(90deg, rgba(0, 210, 255, 0.15) 0%, rgba(157, 78, 221, 0.15) 50%, rgba(255, 0, 127, 0.15) 100%);
            --border-color: #e2e8f0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.06);
            --shadow-neon: 0 0 20px rgba(0, 210, 255, 0.2), 0 0 40px rgba(255, 0, 127, 0.1);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --container-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
            position: relative;
        }

        /* 炫彩背景装饰元素 */
        .glow-bg-1 {
            position: absolute;
            top: 10%;
            left: -10%;
            width: 50vw;
            height: 50vw;
            background: radial-gradient(circle, rgba(0, 210, 255, 0.08) 0%, transparent 70%);
            z-index: -1;
            pointer-events: none;
        }
        .glow-bg-2 {
            position: absolute;
            top: 50%;
            right: -10%;
            width: 45vw;
            height: 45vw;
            background: radial-gradient(circle, rgba(255, 0, 127, 0.06) 0%, transparent 70%);
            z-index: -1;
            pointer-events: none;
        }

        /* 容器规范 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: all 0.3s ease;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo-box {
            display: flex;
            align-items: center;
            height: 44px;
        }
        .ai-page-logo {
            height: 100%;
            width: auto;
            object-fit: contain;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
        }
        .nav-menu a {
            text-decoration: none;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
        }
        .nav-menu a:hover {
            color: var(--neon-purple);
            background: rgba(157, 78, 221, 0.05);
        }
        .nav-btn {
            background: var(--gradient-neon);
            color: white !important;
            border: none;
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(157, 78, 221, 0.3);
            transition: transform 0.2s, box-shadow 0.2s;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
        }
        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(157, 78, 221, 0.4);
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
            padding: 5px;
        }
        .menu-toggle span {
            width: 24px;
            height: 2px;
            background-color: var(--text-primary);
            transition: all 0.3s ease;
        }

        /* 炫彩按钮通用 */
        .btn-glow {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            color: var(--text-primary);
            background: #fff;
            border-radius: 50px;
            border: 2px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .btn-glow::before {
            content: '';
            position: absolute;
            top: -2px; bottom: -2px; left: -2px; right: -2px;
            background: var(--gradient-neon);
            z-index: -1;
            border-radius: 50px;
            transition: opacity 0.3s;
        }
        .btn-glow:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-neon);
            color: #fff;
            background: transparent;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            border: 1px solid var(--border-color);
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.8);
            transition: all 0.3s;
        }
        .btn-secondary:hover {
            border-color: var(--text-primary);
            background: #fff;
            color: var(--text-primary);
        }

        /* Section 通用 */
        section {
            padding: 80px 0;
            position: relative;
        }
        .section-title-wrap {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--neon-purple);
            background: rgba(157, 78, 221, 0.1);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
            border: 1px solid rgba(157, 78, 221, 0.2);
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            margin-top: 10px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* HERO 首屏（纯文字+渐变+动态背景，绝无图片） */
        #hero {
            padding: 120px 0 100px;
            background: radial-gradient(circle at 50% 50%, rgba(157, 78, 221, 0.05) 0%, transparent 80%);
            text-align: center;
            overflow: hidden;
        }
        .hero-title {
            font-size: 48px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: 24px;
        }
        .hero-title span {
            background: var(--gradient-neon);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
        }
        .hero-title span::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--gradient-neon);
            border-radius: 2px;
        }
        .hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 750px;
            margin: 0 auto 40px;
            line-height: 1.7;
        }
        .hero-btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
        }
        .hero-badge-container {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-top: 50px;
            flex-wrap: wrap;
        }
        .hero-badge {
            background: rgba(255, 255, 255, 0.9);
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: var(--shadow-sm);
        }
        .hero-badge i {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--neon-blue);
        }
        .hero-badge:nth-child(2) i { background: var(--neon-purple); }
        .hero-badge:nth-child(3) i { background: var(--neon-pink); }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }
        .stat-card {
            background: #fff;
            padding: 24px;
            border-radius: var(--radius-lg);
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(157, 78, 221, 0.3);
        }
        .stat-val {
            font-size: 32px;
            font-weight: 800;
            background: var(--gradient-neon);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 关于我们 */
        #about {
            background: #fff;
        }
        .about-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .about-content h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .about-p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            font-size: 15px;
            line-height: 1.8;
        }
        .about-features {
            list-style: none;
        }
        .about-features li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 12px;
            font-size: 14px;
            color: var(--text-primary);
            font-weight: 500;
        }
        .about-features li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            color: var(--neon-purple);
            font-weight: 900;
            font-size: 16px;
        }
        .about-img-box {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 4px solid #fff;
        }
        .about-img-box img {
            width: 100%;
            display: block;
            transition: transform 0.5s;
        }
        .about-img-box:hover img {
            transform: scale(1.03);
        }

        /* 全平台AIGC服务 / 一站式AIGC制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: #fff;
            padding: 30px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 4px; height: 100%;
            background: var(--gradient-neon);
            opacity: 0;
            transition: opacity 0.3s;
        }
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(0, 210, 255, 0.2);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(0, 210, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            color: var(--neon-blue);
        }
        .service-card:nth-child(2n) .service-icon {
            background: rgba(157, 78, 221, 0.1);
            color: var(--neon-purple);
        }
        .service-card:nth-child(3n) .service-icon {
            background: rgba(255, 0, 127, 0.1);
            color: var(--neon-pink);
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .service-tag-item {
            font-size: 11px;
            background: var(--bg-primary);
            padding: 3px 8px;
            border-radius: 4px;
            color: var(--text-muted);
            border: 1px solid var(--border-color);
        }

        /* 全平台AIGC聚合标志云 */
        .brand-cloud-section {
            background: #fff;
            padding: 60px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .brand-cloud-title {
            text-align: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-muted);
            margin-bottom: 30px;
            letter-spacing: 1px;
        }
        .brand-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .brand-item {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 13px;
            color: var(--text-primary);
            font-weight: 500;
            transition: all 0.2s;
        }
        .brand-item:hover {
            border-color: var(--neon-blue);
            background: #fff;
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(0, 210, 255, 0.1);
        }

        /* 解决方案与制作流程 */
        .solutions-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .solution-card {
            background: #fff;
            padding: 32px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .solution-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 15px;
        }
        .solution-title {
            font-size: 20px;
            font-weight: 700;
        }
        .solution-icon-badge {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--gradient-neon);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 14px;
        }
        .solution-list {
            list-style: none;
        }
        .solution-list li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .solution-list li::before {
            content: "◆";
            position: absolute;
            left: 0;
            color: var(--neon-pink);
            font-size: 12px;
        }

        /* 标准化流程步骤（时间线风格） */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
            transform: translateX(-50%);
        }
        .timeline-item {
            margin-bottom: 40px;
            position: relative;
            width: 50%;
            padding: 0 40px;
        }
        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }
        .timeline-item:nth-child(even) {
            left: 50%;
            text-align: left;
        }
        .timeline-badge {
            position: absolute;
            top: 4px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--bg-primary);
            border: 4px solid var(--neon-purple);
            z-index: 10;
        }
        .timeline-item:nth-child(odd) .timeline-badge {
            right: -10px;
        }
        .timeline-item:nth-child(even) .timeline-badge {
            left: -10px;
        }
        .timeline-content {
            background: #fff;
            padding: 24px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .timeline-content h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .timeline-content p {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* 技术标准 */
        .tech-spec-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .tech-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: var(--radius-md);
            text-align: center;
        }
        .tech-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .tech-card p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .case-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .case-img {
            width: 100%;
            height: 240px;
            object-fit: cover;
        }
        .case-body {
            padding: 24px;
        }
        .case-tag {
            font-size: 11px;
            background: rgba(0, 210, 255, 0.1);
            color: var(--neon-blue);
            padding: 4px 10px;
            border-radius: 20px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 12px;
        }
        .case-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .case-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 对比评测板块 */
        .compare-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .compare-wrapper {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            margin-top: 30px;
        }
        .compare-header-box {
            background: var(--gradient-glow);
            padding: 30px;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
        }
        .rating-box {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 15px;
            margin-top: 10px;
        }
        .rating-score {
            font-size: 36px;
            font-weight: 900;
            color: var(--text-primary);
        }
        .rating-stars {
            color: #fbbf24;
            font-size: 24px;
        }
        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }
        .compare-table th, .compare-table td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }
        .compare-table th {
            background: #f8fafc;
            font-weight: 700;
            color: var(--text-primary);
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .highlight-col {
            background: rgba(157, 78, 221, 0.03);
            font-weight: 600;
            color: var(--neon-purple);
        }
        .status-check {
            color: #10b981;
            font-weight: bold;
        }
        .status-cross {
            color: #ef4444;
        }

        /* 智能需求匹配与表单 */
        .match-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: flex-start;
        }
        .match-info h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .match-info p {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 30px;
        }
        .contact-card {
            background: #fff;
            padding: 24px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 20px;
        }
        .contact-qr {
            width: 100px;
            height: 100px;
            object-fit: cover;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
        }
        .contact-text h5 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .contact-text p {
            font-size: 13px;
            margin-bottom: 2px;
            color: var(--text-muted);
        }
        .contact-text a {
            color: var(--neon-purple);
            text-decoration: none;
            font-weight: 600;
        }

        .form-box {
            background: #fff;
            padding: 40px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 14px;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            transition: all 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--neon-blue);
            background-color: #fff;
            box-shadow: 0 0 0 3px rgba(0, 210, 255, 0.15);
        }
        .form-submit-btn {
            width: 100%;
            padding: 14px;
            background: var(--gradient-neon);
            border: none;
            color: white;
            font-weight: 700;
            font-size: 16px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(157, 78, 221, 0.3);
            transition: all 0.3s;
        }
        .form-submit-btn:hover {
            opacity: 0.95;
            box-shadow: 0 6px 20px rgba(157, 78, 221, 0.4);
        }

        /* Token 比价参考 */
        .token-table-wrap {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        /* 培训板块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .training-card {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: var(--radius-md);
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all 0.2s;
        }
        .training-card:hover {
            transform: scale(1.03);
            border-color: var(--neon-purple);
        }
        .training-card h4 {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .training-card p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 客服与常见问题自助排查 */
        .support-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .troubleshoot-box {
            background: #fff;
            padding: 30px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }
        .troubleshoot-item {
            border-bottom: 1px solid var(--border-color);
            padding: 15px 0;
            cursor: pointer;
        }
        .troubleshoot-item:last-child {
            border-bottom: none;
        }
        .troubleshoot-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 14px;
        }
        .troubleshoot-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 8px;
        }
        .troubleshoot-item.active .troubleshoot-body {
            max-height: 100px;
        }

        /* FAQ 折叠面板 */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }
        .faq-item.active {
            border-color: var(--neon-blue);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            background: #fafbfd;
        }
        .faq-answer-content {
            padding: 20px 24px;
            font-size: 14px;
            color: var(--text-secondary);
            border-top: 1px solid var(--border-color);
            line-height: 1.7;
        }
        .faq-icon {
            transition: transform 0.3s;
            font-size: 18px;
            color: var(--text-muted);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--neon-blue);
        }

        /* AI术语百科 */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .wiki-card {
            background: #fff;
            padding: 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
        }
        .wiki-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--neon-purple);
        }
        .wiki-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 客户评论卡片 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .comment-card {
            background: #fff;
            padding: 28px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            position: relative;
        }
        .comment-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
            font-style: italic;
        }
        .comment-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .comment-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--gradient-neon);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 16px;
        }
        .comment-info h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .comment-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 资讯与知识库 */
        .blog-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .blog-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
            text-decoration: none;
            color: inherit;
        }
        .blog-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(157, 78, 221, 0.3);
        }
        .blog-body {
            padding: 24px;
        }
        .blog-meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .blog-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .blog-desc {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* 浮动客服入口 */
        .floating-contact {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #fff;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }
        .float-btn:hover {
            transform: scale(1.1);
            border-color: var(--neon-purple);
        }
        .float-btn-wechat::before {
            content: "微信";
            font-size: 10px;
            font-weight: 700;
            color: #10b981;
        }
        .float-btn-top::before {
            content: "▲";
            font-size: 14px;
            color: var(--text-secondary);
        }
        .float-qr-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #fff;
            padding: 12px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            display: none;
            text-align: center;
            width: 140px;
        }
        .float-qr-popover img {
            width: 100%;
            height: auto;
            display: block;
            margin-bottom: 6px;
        }
        .float-qr-popover span {
            font-size: 11px;
            color: var(--text-primary);
            font-weight: 600;
        }
        .float-btn-wechat:hover .float-qr-popover {
            display: block;
        }

        /* 页脚区 */
        footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 80px 0 30px;
            border-top: 1px solid #1e293b;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 2fr;
            gap: 40px;
            margin-bottom: 50px;
        }
        .footer-logo-area img {
            height: 40px;
            margin-bottom: 20px;
        }
        .footer-about {
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 13px;
            transition: color 0.2s;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-contact p {
            font-size: 13px;
            margin-bottom: 8px;
        }
        .footer-contact strong {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            flex-wrap: wrap;
            gap: 20px;
        }
        .footer-friendly-links {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-friendly-links a {
            color: #64748b;
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer-friendly-links a:hover {
            color: #fff;
        }

        /* 响应式样式适配 */
        @media (max-width: 1024px) {
            .services-grid, .comments-grid, .blog-grid, .wiki-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-menu {
                position: fixed;
                top: 72px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 72px);
                background: #fff;
                flex-direction: column;
                padding: 40px 24px;
                gap: 24px;
                transition: left 0.3s ease;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                left: 0;
            }
            .about-layout, .solutions-grid, .match-layout, .support-grid, .case-grid {
                grid-template-columns: 1fr;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 45px;
                padding-right: 0;
                text-align: left !important;
            }
            .timeline-item:nth-child(even) {
                left: 0;
            }
            .timeline-badge {
                left: 10px !important;
                right: auto !important;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .services-grid, .comments-grid, .blog-grid, .wiki-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }