:root {
            --bg-color: #0b0719;
            --card-bg: #140d2b;
            --card-border: #2c1a53;
            --primary-neon: #ff007f;
            --secondary-neon: #9d4edd;
            --cyan-neon: #00f0ff;
            --text-main: #ffffff;
            --text-secondary: #c2b6df;
            --text-muted: #8679a8;
            --grad-accent: linear-gradient(135deg, #ff007f 0%, #9d4edd 100%);
            --grad-border: linear-gradient(135deg, #2c1a53 0%, #ff007f 100%);
            --container-max: 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-color);
            color: var(--text-main);
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
            background-image: radial-gradient(circle at 10% 20%, rgba(157, 78, 221, 0.15) 0%, transparent 40%),
                              radial-gradient(circle at 90% 80%, rgba(0, 240, 255, 0.1) 0%, transparent 45%);
            background-attachment: fixed;
        }

        a {
            color: var(--cyan-neon);
            text-decoration: none;
            transition: all 0.3s ease;
        }

        a:hover {
            color: var(--primary-neon);
        }

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

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 7, 25, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 0, 127, 0.15);
        }

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

        .logo-box {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .ai-page-logo {
            height: 35px;
            display: block;
        }

        .logo-text {
            font-weight: 800;
            font-size: 20px;
            background: linear-gradient(to right, #ff007f, #00f0ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
        }

        .nav-item a {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
        }

        .nav-item a:hover {
            color: var(--primary-neon);
            text-shadow: 0 0 8px rgba(255, 0, 127, 0.5);
        }

        .nav-cta {
            background: var(--grad-accent);
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 14px;
            color: var(--text-main) !important;
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.3);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(255, 0, 127, 0.6);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }

        .hamburger span {
            width: 25px;
            height: 2px;
            background-color: var(--text-main);
            transition: all 0.3s ease;
        }

        /* Hero 区域 - 严格无背景图，纯CSS光效与几何 */
        .hero {
            padding: 100px 0 80px 0;
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(255, 0, 127, 0.1);
            border: 1px solid rgba(255, 0, 127, 0.3);
            color: var(--primary-neon);
            font-size: 14px;
            margin-bottom: 24px;
            letter-spacing: 1px;
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.1) inset;
        }

        .hero-h1 {
            font-size: 48px;
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #ffffff 30%, #ffd0e6 60%, #ff007f 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

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

        .btn-main {
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: bold;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            cursor: pointer;
        }

        .btn-glow {
            background: var(--grad-accent);
            color: var(--text-main);
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.4);
        }

        .btn-glow:hover {
            transform: scale(1.05);
            box-shadow: 0 0 35px rgba(255, 0, 127, 0.7);
        }

        .btn-border {
            background: transparent;
            color: var(--cyan-neon);
            border: 2px solid var(--cyan-neon);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
        }

        .btn-border:hover {
            background: rgba(0, 240, 255, 0.1);
            transform: scale(1.05);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.4);
        }

        /* 核心通用模块样式 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 32px;
            margin-bottom: 12px;
            font-weight: 700;
            background: linear-gradient(to right, #ffffff, var(--secondary-neon));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 15px;
        }

        section {
            padding: 80px 0;
            border-top: 1px solid rgba(157, 78, 221, 0.1);
        }

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

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            padding: 30px 20px;
            border-radius: 16px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            border-color: var(--primary-neon);
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(255, 0, 127, 0.15);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--cyan-neon);
            margin-bottom: 8px;
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
        }

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

        /* 关于我们 & 平台介绍 */
        .about-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 24px;
            color: var(--primary-neon);
            margin-bottom: 16px;
        }

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

        .about-feature-list {
            list-style: none;
        }

        .about-feature-list li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            color: var(--text-main);
            font-size: 14px;
        }

        .about-feature-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--cyan-neon);
            font-weight: bold;
        }

        .about-visual {
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.1) 0%, rgba(157, 78, 221, 0.1) 100%);
            border: 1px solid var(--card-border);
            border-radius: 20px;
            padding: 40px;
            position: relative;
            box-shadow: inset 0 0 30px rgba(157, 78, 221, 0.2);
        }

        .about-logo-wrapper {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 15px;
            text-align: center;
        }

        .company-badge {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 10px;
        }

        /* 全平台AIGC服务 - 模型列表 */
        .model-list-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 12px;
        }

        .model-badge {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 12px 6px;
            text-align: center;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.3s ease;
        }

        .model-badge:hover {
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.2), rgba(157, 78, 221, 0.2));
            border-color: var(--secondary-neon);
            color: var(--text-main);
            box-shadow: 0 0 12px rgba(157, 78, 221, 0.4);
            transform: scale(1.05);
        }

        /* 一站式AIGC制作 - 核心场景 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scene-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 16px;
            padding: 30px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .scene-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--grad-accent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .scene-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary-neon);
            box-shadow: 0 15px 30px rgba(255, 0, 127, 0.15);
        }

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

        .scene-icon {
            font-size: 32px;
            margin-bottom: 20px;
            display: inline-block;
        }

        .scene-title {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .scene-desc {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* 全行业解决方案 & 服务网络 */
        .grid-2col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .network-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 16px;
            padding: 30px;
        }

        .network-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 20px;
        }

        .network-item {
            background: rgba(255, 255, 255, 0.03);
            border-radius: 8px;
            padding: 12px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 13px;
        }

        /* 标准化流程 & 技术标准 (时间线) */
        .timeline {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
        }

        .timeline-item {
            display: flex;
            margin-bottom: 40px;
            position: relative;
        }

        .timeline-step {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50px;
            background: var(--grad-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 18px;
            color: #fff;
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.5);
            margin-right: 24px;
        }

        .timeline-content {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 12px;
            padding: 20px 24px;
            width: 100%;
        }

        /* 对比评测 - 表格设计 */
        .table-responsive {
            overflow-x: auto;
            width: 100%;
            margin-top: 30px;
            border-radius: 12px;
            border: 1px solid var(--card-border);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--card-border);
        }

        .comparison-table th {
            background-color: rgba(157, 78, 221, 0.1);
            color: var(--cyan-neon);
            font-weight: 600;
        }

        .comparison-table tr:hover {
            background-color: rgba(255, 255, 255, 0.02);
        }

        .recommendation-badge {
            background: var(--grad-accent);
            color: var(--text-main);
            padding: 20px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 30px;
            box-shadow: 0 5px 25px rgba(255, 0, 127, 0.25);
        }

        .score-info h4 {
            font-size: 24px;
            margin-bottom: 4px;
        }

        .score-num {
            font-size: 40px;
            font-weight: 800;
            color: var(--cyan-neon);
        }

        /* 案例展示区 - 包含宣传图与素材图 */
        .case-gallery {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .case-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .case-card:hover {
            transform: scale(1.02);
            border-color: var(--cyan-neon);
            box-shadow: 0 10px 25px rgba(0, 240, 255, 0.15);
        }

        .case-img-box {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }

        .case-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.5s ease;
        }

        .case-card:hover .case-img-box img {
            transform: scale(1.1);
        }

        .case-info {
            padding: 20px;
        }

        /* 人工智能培训 & 职业技术培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .training-card:hover {
            border-color: var(--secondary-neon);
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(157, 78, 221, 0.2);
        }

        .cert-icon {
            font-size: 28px;
            margin-bottom: 12px;
        }

        .cert-title {
            font-size: 14px;
            font-weight: bold;
            color: var(--text-main);
        }

        /* 价格与Token比价表格 */
        .token-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }

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

        .faq-item {
            border-bottom: 1px solid var(--card-border);
            padding: 16px 0;
        }

        .faq-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-main);
        }

        .faq-icon {
            font-size: 18px;
            color: var(--cyan-neon);
            transition: transform 0.3s ease;
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            color: var(--text-secondary);
            font-size: 14px;
            margin-top: 8px;
        }

        .faq-item.active .faq-body {
            max-height: 500px;
            transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
        }

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

        /* 客户评论卡片 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .comment-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 16px;
            padding: 24px;
            position: relative;
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
        }

        .user-avatar {
            width: 44px;
            height: 44px;
            background: var(--grad-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 18px;
        }

        .user-meta h5 {
            font-size: 15px;
            margin-bottom: 2px;
        }

        .user-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }

        .comment-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* 术语百科与诊断区 */
        .flex-box {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .diagnostic-card, .encyclopedia-card {
            flex: 1;
            min-width: 300px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 16px;
            padding: 30px;
        }

        .encyclopedia-list {
            margin-top: 15px;
        }

        .encyclopedia-item {
            margin-bottom: 12px;
        }

        .encyclopedia-item strong {
            color: var(--cyan-neon);
        }

        .encyclopedia-item p {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* 行业资讯 & 友情链接 */
        .news-list {
            list-style: none;
        }

        .news-item {
            padding: 15px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .news-item a {
            color: var(--text-main);
            font-size: 15px;
            font-weight: 500;
        }

        .news-item a:hover {
            color: var(--primary-neon);
        }

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

        /* 智能需求匹配与联系我们 - 表单与二维码 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
        }

        .form-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

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

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-secondary);
        }

        .form-control {
            width: 100%;
            background: rgba(11, 7, 25, 0.8);
            border: 1px solid var(--card-border);
            border-radius: 8px;
            padding: 12px 16px;
            color: var(--text-main);
            font-size: 14px;
            transition: all 0.3s ease;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-neon);
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.2);
        }

        .form-btn {
            width: 100%;
            background: var(--grad-accent);
            border: none;
            color: white;
            padding: 14px;
            border-radius: 8px;
            font-weight: bold;
            font-size: 16px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(255, 0, 127, 0.3);
        }

        .form-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 0, 127, 0.5);
        }

        .contact-info-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 20px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .info-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .info-icon {
            font-size: 20px;
            color: var(--cyan-neon);
            margin-top: 3px;
        }

        .qr-box {
            display: flex;
            gap: 15px;
            align-items: center;
            margin-top: 15px;
            background: rgba(255, 255, 255, 0.02);
            padding: 15px;
            border-radius: 12px;
            border: 1px solid var(--card-border);
        }

        .qr-img img {
            width: 90px;
            height: 90px;
            border-radius: 8px;
            display: block;
        }

        .qr-text h5 {
            font-size: 15px;
            margin-bottom: 4px;
        }

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

        /* 代理加盟板块 */
        .agent-card {
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.05), rgba(0, 240, 255, 0.05));
            border: 1px dashed var(--secondary-neon);
            border-radius: 20px;
            padding: 40px;
            text-align: center;
        }

        .agent-highlight {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary-neon);
            margin-bottom: 12px;
            text-shadow: 0 0 10px rgba(255, 0, 127, 0.3);
        }

        /* 浮动工具栏与客服 */
        .floating-bar {
            position: fixed;
            right: 24px;
            bottom: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 1000;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            font-size: 20px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
        }

        .float-btn:hover {
            border-color: var(--primary-neon);
            color: var(--primary-neon);
            transform: scale(1.1);
        }

        .float-tooltip {
            position: absolute;
            right: 60px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 12px;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .float-btn:hover .float-tooltip {
            opacity: 1;
        }

        /* 页脚与友情链接 */
        footer {
            background: #06040d;
            border-top: 1px solid var(--card-border);
            padding: 50px 0 30px 0;
            color: var(--text-muted);
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: var(--text-main);
            margin-bottom: 20px;
            font-size: 16px;
        }

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

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

        .footer-col ul li a {
            color: var(--text-muted);
        }

        .footer-col ul li a:hover {
            color: var(--cyan-neon);
        }

        .friend-links-box {
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }

        .friend-links-box strong {
            color: var(--text-main);
            font-size: 13px;
        }

        .friend-links-box a {
            color: var(--text-muted);
            font-size: 13px;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 12px;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .scene-grid, .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .model-list-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .case-gallery {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-color);
                border-bottom: 1px solid var(--card-border);
                padding: 20px;
                gap: 15px;
            }

            .nav-menu.active {
                display: flex;
            }

            .hamburger {
                display: flex;
            }

            .hero-h1 {
                font-size: 32px;
            }

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

            .about-layout, .grid-2col, .contact-layout {
                grid-template-columns: 1fr;
            }

            .scene-grid, .comments-grid, .case-gallery {
                grid-template-columns: 1fr;
            }

            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .model-list-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }