/* 霓虹亮彩风 - CSS 变量 */
        :root {
            --bg-color: #0b0816;
            --bg-card: #151128;
            --primary: #00f0ff; /* 霓虹青 */
            --secondary: #ff007f; /* 霓虹紫红 */
            --accent: #9d4edd; /* 紫色 */
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
            --neon-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
            --neon-pink-shadow: 0 0 15px rgba(255, 0, 127, 0.4);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        /* 基础重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

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

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

        /* 全局居中容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* 渐变背景光圈装饰 - 绝不起冲突的底层氛围 */
        .glow-bg {
            position: fixed;
            top: -20%;
            left: -10%;
            width: 60vw;
            height: 60vw;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            z-index: -1;
            pointer-events: none;
        }
        .glow-bg-right {
            position: fixed;
            bottom: -10%;
            right: -10%;
            width: 50vw;
            height: 50vw;
            background: radial-gradient(circle, rgba(255, 0, 127, 0.08) 0%, transparent 70%);
            z-index: -1;
            pointer-events: none;
        }

        /* 导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 8, 22, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            transition: var(--transition);
        }

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

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

        .ai-page-logo {
            height: 40px;
            width: auto;
            filter: drop-shadow(var(--neon-shadow));
        }

        .brand-name {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-link {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            padding: 5px 8px;
            border-radius: 4px;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary);
            text-shadow: var(--neon-shadow);
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #000;
            font-weight: bold;
            padding: 8px 18px;
            border-radius: 30px;
            text-decoration: none;
            box-shadow: var(--neon-shadow);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.7);
            color: #000;
        }

        .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);
            border-radius: 3px;
            transition: var(--transition);
        }

        /* Hero区 (首屏无图) */
        .hero-section {
            padding: 100px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--primary);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 24px;
            box-shadow: inset 0 0 10px rgba(0, 240, 255, 0.2);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0,240,255,0.4); }
            70% { transform: scale(1.03); box-shadow: 0 0 0 10px rgba(0,240,255,0); }
            100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0,240,255,0); }
        }

        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #fff 30%, var(--primary) 70%, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 4px 10px rgba(0,0,0,0.5);
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
            line-height: 1.8;
        }

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

        .btn {
            padding: 14px 32px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: none;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            color: #fff;
            box-shadow: var(--neon-pink-shadow);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 25px rgba(255, 0, 127, 0.7);
        }

        .btn-secondary {
            background: rgba(255,255,255,0.05);
            color: var(--primary);
            border: 1px solid var(--primary);
            box-shadow: var(--neon-shadow);
        }

        .btn-secondary:hover {
            background: rgba(0, 240, 255, 0.1);
            transform: translateY(-3px);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.5);
        }

        /* 共有板块布局 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-tag {
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            font-size: 0.85rem;
            font-weight: 700;
            display: block;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        /* 关于我们 & 数据指标 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .about-bullets {
            list-style: none;
            margin-top: 25px;
        }

        .about-bullets li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .about-bullets li::before {
            content: '✦';
            position: absolute;
            left: 0;
            color: var(--primary);
            text-shadow: var(--neon-shadow);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.1);
            padding: 30px 20px;
            border-radius: 12px;
            text-align: center;
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: var(--neon-shadow);
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 850;
            color: #fff;
            margin-bottom: 5px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        /* AIGC 服务能力卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,0.05);
            border-radius: 16px;
            padding: 40px 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-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);
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: rgba(0, 240, 255, 0.2);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), var(--neon-shadow);
        }

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

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 25px;
            display: inline-block;
        }

        .service-title {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: #fff;
        }

        .service-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .service-tag-item {
            background: rgba(255, 255, 255, 0.05);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            border: 1px solid rgba(0, 240, 255, 0.1);
        }

        /* 一站式制作 */
        .one-stop-container {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
        }

        .model-list-wrapper {
            background: rgba(0,0,0,0.2);
            border: 1px solid rgba(255,255,255,0.05);
            padding: 30px;
            border-radius: 16px;
        }

        .model-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
        }

        .model-tag {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,0.08);
            padding: 10px;
            border-radius: 8px;
            text-align: center;
            font-size: 0.85rem;
            color: #fff;
            transition: var(--transition);
        }

        .model-tag:hover {
            border-color: var(--secondary);
            box-shadow: var(--neon-pink-shadow);
            transform: scale(1.05);
        }

        /* 行业解决方案与素材图整合 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .solution-card {
            background: var(--bg-card);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(255,255,255,0.05);
            transition: var(--transition);
        }

        .solution-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: var(--neon-shadow);
        }

        .solution-media {
            height: 200px;
            overflow: hidden;
            position: relative;
            background: #111;
        }

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

        .solution-card:hover .solution-media img {
            transform: scale(1.05);
        }

        .solution-info {
            padding: 25px;
        }

        .solution-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .solution-body {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* 标准化流程时间线 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--secondary));
            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-dot {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #fff;
            border: 4px solid var(--primary);
            position: absolute;
            top: 6px;
            z-index: 10;
            box-shadow: var(--neon-shadow);
        }

        .timeline-item:nth-child(odd) .timeline-dot {
            right: -8px;
        }

        .timeline-item:nth-child(even) .timeline-dot {
            left: -8px;
        }

        .timeline-content {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,0.05);
            padding: 24px;
            border-radius: 12px;
            transition: var(--transition);
        }

        .timeline-content:hover {
            border-color: var(--primary);
            box-shadow: var(--neon-shadow);
        }

        .timeline-step {
            color: var(--secondary);
            font-weight: 800;
            font-size: 1rem;
            margin-bottom: 5px;
        }

        .timeline-title {
            color: #fff;
            font-size: 1.15rem;
            margin-bottom: 8px;
        }

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

        /* 案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: var(--bg-card);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid rgba(255,255,255,0.05);
        }

        .case-img-wrap {
            height: 220px;
            background: #000;
            position: relative;
        }

        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-badge {
            position: absolute;
            top: 15px;
            left: 15px;
            background: rgba(0, 240, 255, 0.9);
            color: #000;
            padding: 4px 10px;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 4px;
        }

        .case-content {
            padding: 20px;
        }

        .case-title {
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 10px;
        }

        .case-result {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
        }

        /* 对比评测 */
        .comparison-wrapper {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.2);
            box-shadow: var(--neon-shadow);
            border-radius: 16px;
            padding: 40px;
        }

        .comp-header-flex {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding-bottom: 25px;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .comp-score-box {
            text-align: right;
        }

        .comp-stars {
            color: #ffb700;
            font-size: 1.5rem;
            margin-bottom: 5px;
        }

        .comp-score {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
        }

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

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

        th, td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        th {
            color: #fff;
            font-weight: 700;
        }

        .td-highlight {
            color: var(--primary);
            font-weight: bold;
        }

        /* 需求匹配表单 & 联系 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .form-card {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,0.05);
            padding: 40px;
            border-radius: 16px;
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: #fff;
        }

        .form-control {
            width: 100%;
            background: rgba(0,0,0,0.3);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 6px;
            padding: 12px 16px;
            color: #fff;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 10px rgba(0,240,255,0.2);
        }

        select.form-control option {
            background: var(--bg-card);
            color: #fff;
        }

        .contact-info-card {
            background: rgba(255,255,255,0.02);
            border: 1px solid rgba(255,255,255,0.05);
            padding: 40px;
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-item {
            margin-bottom: 30px;
        }

        .info-title {
            color: var(--primary);
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .info-value {
            color: #fff;
            font-size: 1.05rem;
        }

        .qr-wrapper {
            background: #fff;
            padding: 10px;
            border-radius: 8px;
            display: inline-block;
            margin-top: 15px;
            max-width: 140px;
        }

        .qr-wrapper img {
            width: 120px;
            height: 120px;
            display: block;
        }

        /* Token 比价 */
        .token-card {
            background: var(--bg-card);
            border-radius: 16px;
            border: 1px solid rgba(255,255,255,0.05);
            padding: 30px;
            margin-bottom: 40px;
        }

        .token-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            padding-bottom: 15px;
        }

        /* 职业技术培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .training-card {
            background: linear-gradient(135deg, var(--bg-card) 0%, rgba(21,17,40,0.6) 100%);
            border: 1px solid rgba(0, 240, 255, 0.1);
            padding: 30px 20px;
            border-radius: 12px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            border-color: var(--secondary);
            box-shadow: var(--neon-pink-shadow);
            transform: translateY(-5px);
        }

        .training-icon {
            font-size: 2.2rem;
            margin-bottom: 15px;
        }

        .training-title {
            font-size: 1.1rem;
            color: #fff;
            font-weight: 700;
            margin-bottom: 10px;
        }

        /* FAQ折叠面板 */
        .faq-wrapper {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,0.05);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            color: #fff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.4rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
        }

        .faq-item.active .faq-question::after {
            content: '−';
            transform: rotate(180deg);
        }

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

        .faq-answer-inner {
            padding: 20px 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

        /* 客户评论卡片 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

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

        .review-quote {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

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

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: #000;
            font-size: 0.9rem;
        }

        .author-info h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 2px;
        }

        .author-info span {
            font-size: 0.75rem;
            color: var(--primary);
        }

        /* AI术语百科 */
        .glossary-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .glossary-tag {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,0.05);
            padding: 10px 18px;
            border-radius: 30px;
            color: var(--text-main);
            font-size: 0.9rem;
            transition: var(--transition);
            cursor: pointer;
        }

        .glossary-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--neon-shadow);
            transform: translateY(-2px);
        }

        /* 资讯与知识库 */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .article-card {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,0.05);
            border-radius: 10px;
            padding: 20px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card:hover {
            border-color: var(--secondary);
            box-shadow: var(--neon-pink-shadow);
        }

        .article-tag {
            font-size: 0.75rem;
            color: var(--secondary);
            text-transform: uppercase;
            font-weight: 700;
            margin-bottom: 10px;
            display: inline-block;
        }

        .article-title {
            font-size: 0.95rem;
            color: #fff;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 20px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-decoration: none;
            transition: var(--transition);
        }

        .article-title:hover {
            color: var(--primary);
        }

        .article-link {
            color: var(--primary);
            font-size: 0.8rem;
            text-decoration: none;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* 加盟代理 */
        .agency-box {
            background: linear-gradient(135deg, rgba(255,0,127,0.05) 0%, rgba(0,240,255,0.05) 100%);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 16px;
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .agency-badge {
            background: var(--secondary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 800;
            display: inline-block;
            margin-bottom: 20px;
        }

        /* 浮动客服 */
        .floating-kefu {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(0,0,0,0.5), var(--neon-shadow);
            cursor: pointer;
            transition: var(--transition);
        }

        .floating-kefu:hover {
            transform: scale(1.1);
        }

        .floating-kefu svg {
            width: 28px;
            height: 28px;
            fill: #000;
        }

        .kefu-popover {
            position: absolute;
            bottom: 75px;
            right: 0;
            background: var(--bg-card);
            border: 1px solid var(--primary);
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.6), var(--neon-shadow);
            width: 220px;
            text-align: center;
            display: none;
            animation: fadeIn 0.3s forwards;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .kefu-popover.show {
            display: block;
        }

        .kefu-popover p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .kefu-popover img {
            width: 130px;
            height: 130px;
            margin: 0 auto 10px;
            display: block;
            border-radius: 4px;
        }

        /* 页脚 */
        footer {
            background: #06040d;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 60px 0 30px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 50px;
            margin-bottom: 40px;
        }

        .footer-brand {
            margin-bottom: 20px;
        }

        .footer-desc {
            margin-top: 15px;
            line-height: 1.7;
        }

        .footer-title {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .footer-links {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
        }

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

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

        .friend-links-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .friend-links-wrap a {
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(255,255,255,0.06);
            color: var(--text-muted);
            padding: 6px 12px;
            border-radius: 4px;
            text-decoration: none;
            font-size: 0.8rem;
            transition: var(--transition);
        }

        .friend-links-wrap a:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--neon-shadow);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .about-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .one-stop-container {
                grid-template-columns: 1fr;
            }
            .solution-grid, .case-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 2.1rem;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-color);
                border-bottom: 1px solid rgba(0, 240, 255, 0.15);
                padding: 20px;
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .solution-grid, .case-grid, .reviews-grid, .article-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-dot {
                left: 12px !important;
                right: auto !important;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .comp-header-flex {
                flex-direction: column;
                align-items: flex-start;
            }
        }