:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --accent-coral: #ff5e36;
      --accent-cyan: #06b6d4;
      --accent-purple: #7c3aed;
      --accent-yellow: #f59e0b;
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #e2e8f0;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
      --shadow-hover: 0 20px 30px -10px rgba(37, 99, 235, 0.15);
      --radius: 12px;
      --max-width: 1240px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: var(--max-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid var(--accent-cyan);
      box-shadow: var(--shadow-sm);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

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

    .brand-logo-wrap {
      max-width: 150px;
      display: flex;
      align-items: center;
    }

    .brand-title-badge {
      background: linear-gradient(135deg, var(--accent-coral), var(--accent-purple));
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-links li a {
      padding: 8px 12px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-muted);
      border-radius: 6px;
      display: inline-block;
    }

    .nav-links li a:hover {
      color: var(--primary);
      background-color: #eff6ff;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn-nav-portal {
      background: linear-gradient(135deg, var(--accent-coral) 0%, #ea580c 100%);
      color: #ffffff !important;
      font-weight: 700;
      padding: 9px 18px;
      border-radius: 20px;
      font-size: 14px;
      box-shadow: 0 4px 12px rgba(255, 94, 54, 0.3);
    }

    .btn-nav-portal:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(255, 94, 54, 0.4);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 6px 10px;
      cursor: pointer;
      font-size: 18px;
    }

    /* 首屏 Hero（明艳纯CSS设计，无图片） */
    .hero-section {
      position: relative;
      padding: 70px 0 60px;
      background: radial-gradient(circle at 85% 15%, rgba(255, 94, 54, 0.12) 0%, transparent 40%),
                  radial-gradient(circle at 10% 80%, rgba(6, 182, 212, 0.15) 0%, transparent 45%),
                  linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-container {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #eff6ff;
      border: 1px solid #bfdbfe;
      color: var(--primary-dark);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      background-color: var(--accent-coral);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent-coral);
    }

    .hero-title {
      font-size: 38px;
      line-height: 1.25;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }

    .hero-title .highlight-text {
      color: var(--accent-coral);
      background: linear-gradient(120deg, var(--accent-coral) 0%, var(--accent-purple) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 17px;
      color: var(--text-muted);
      margin-bottom: 30px;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }

    .btn-main-portal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--accent-coral) 0%, #f43f5e 100%);
      color: #ffffff;
      font-weight: 700;
      font-size: 17px;
      padding: 14px 34px;
      border-radius: 30px;
      box-shadow: 0 8px 24px rgba(244, 63, 94, 0.35);
    }

    .btn-main-portal:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(244, 63, 94, 0.45);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #ffffff;
      color: var(--text-main);
      border: 2px solid var(--border-color);
      font-weight: 700;
      font-size: 16px;
      padding: 13px 28px;
      border-radius: 30px;
    }

    .btn-secondary:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: #f8fafc;
    }

    .hero-highlights {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      border-top: 1px solid #e2e8f0;
      padding-top: 24px;
    }

    .highlight-item {
      display: flex;
      flex-direction: column;
    }

    .highlight-num {
      font-size: 24px;
      font-weight: 800;
      color: var(--primary);
    }

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

    /* 首屏纯CSS构建的科技控制台 */
    .hero-visual-card {
      background: #ffffff;
      border: 2px solid #e0e7ff;
      border-radius: 20px;
      box-shadow: var(--shadow-md);
      padding: 24px;
      position: relative;
    }

    .visual-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid #f1f5f9;
      padding-bottom: 14px;
      margin-bottom: 18px;
    }

    .status-indicator {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 700;
      color: #059669;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.4; }
    }

    .model-tags-preview {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 20px;
    }

    .m-tag {
      background: #f1f5f9;
      color: var(--text-main);
      padding: 4px 10px;
      font-size: 12px;
      border-radius: 6px;
      font-weight: 600;
      border: 1px solid #e2e8f0;
    }

    .m-tag.accent {
      background: #fff1f2;
      color: #e11d48;
      border-color: #fecdd3;
    }

    .terminal-box {
      background: #0f172a;
      border-radius: 12px;
      padding: 16px;
      color: #f8fafc;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 13px;
      line-height: 1.6;
    }

    .terminal-line {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 6px;
    }

    .terminal-cyan { color: #38bdf8; }
    .terminal-amber { color: #fbbf24; }
    .terminal-green { color: #4ade80; }

    /* 通用Section布局 */
    section {
      padding: 64px 0;
      border-bottom: 1px solid #eef2f6;
    }

    .section-title-wrap {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 44px;
    }

    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 800;
      color: var(--accent-coral);
      text-transform: uppercase;
      letter-spacing: 1px;
      background: #fff7ed;
      border: 1px solid #ffedd5;
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 10px;
    }

    .section-heading {
      font-size: 30px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

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

    /* 平台介绍 & 核心能力 */
    .platform-intro-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }

    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: #93c5fd;
    }

    .feature-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: bold;
      margin-bottom: 16px;
    }

    .feature-card.coral-tone .feature-icon-box {
      background: #fff1f2;
      color: var(--accent-coral);
    }

    .feature-card.purple-tone .feature-icon-box {
      background: #f5f3ff;
      color: var(--accent-purple);
    }

    .feature-card.cyan-tone .feature-icon-box {
      background: #ecfeff;
      color: var(--accent-cyan);
    }

    .feature-card h3 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .feature-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 场景矩阵卡片 */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
    }

    .scene-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius);
      padding: 20px;
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .scene-card:hover {
      border-color: var(--accent-coral);
      transform: translateY(-3px);
    }

    .scene-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 10px;
    }

    .scene-name {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
    }

    .scene-pill {
      font-size: 11px;
      padding: 2px 8px;
      border-radius: 12px;
      background: #f8fafc;
      color: var(--text-muted);
      border: 1px solid #e2e8f0;
    }

    .scene-body {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 14px;
      line-height: 1.6;
    }

    .scene-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 案例中心配图 */
    .case-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
      align-items: stretch;
    }

    .case-card-img {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .case-img-box {
      width: 100%;
      background: #f1f5f9;
      aspect-ratio: 16 / 9;
      overflow: hidden;
    }

    .case-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .case-content {
      padding: 20px;
    }

    .case-content h4 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .case-content p {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* 对比评测专属板块 */
    .eval-highlight-banner {
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
      color: #ffffff;
      border-radius: var(--radius);
      padding: 32px;
      margin-bottom: 30px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

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

    .score-badge {
      font-size: 48px;
      font-weight: 900;
      color: #fbbf24;
      line-height: 1;
    }

    .score-stars {
      color: #fbbf24;
      font-size: 22px;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }

    .eval-table-wrap {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }

    .eval-table th, .eval-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
    }

    .eval-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--text-main);
    }

    .eval-table tr.highlight-row {
      background: #fff7ed;
      font-weight: 600;
    }

    .eval-table td.tag-win {
      color: #ea580c;
      font-weight: 700;
    }

    /* Token 比价看板 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 20px;
    }

    .token-card {
      background: #ffffff;
      border: 2px solid #f1f5f9;
      border-radius: var(--radius);
      padding: 24px;
      text-align: center;
      transition: all 0.3s;
    }

    .token-card.featured {
      border-color: var(--accent-coral);
      position: relative;
      box-shadow: 0 8px 24px rgba(255, 94, 54, 0.12);
    }

    .token-card-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent-coral);
      color: #fff;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: 12px;
    }

    .token-price {
      font-size: 32px;
      font-weight: 800;
      color: var(--accent-coral);
      margin: 14px 0 6px;
    }

    /* 标准流程时间线 */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius);
      padding: 24px 20px;
      position: relative;
    }

    .step-index {
      font-size: 28px;
      font-weight: 900;
      color: #e2e8f0;
      line-height: 1;
      margin-bottom: 12px;
    }

    .step-card h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

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

    /* 用户评论 */
    .comments-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 20px;
    }

    .comment-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .comment-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .comment-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--accent-coral), var(--accent-purple));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
    }

    .comment-user h5 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }

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

    .comment-text {
      font-size: 14px;
      color: #334155;
      line-height: 1.6;
    }

    /* FAQ 展开折叠 */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius);
      overflow: hidden;
      transition: all 0.25s;
    }

    .faq-question {
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      padding: 18px 22px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .faq-icon {
      font-size: 18px;
      color: var(--accent-coral);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      background: #fafafa;
    }

    .faq-answer-inner {
      padding: 0 22px 18px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 需求匹配与表单 */
    .form-section-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 16px;
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .form-intro h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 14px;
      color: var(--text-main);
    }

    .form-intro p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .contact-info-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .contact-row {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: var(--text-main);
      font-weight: 600;
    }

    .contact-row span.label {
      color: var(--text-muted);
      font-weight: 400;
    }

    .lead-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group label {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid #cbd5e1;
      border-radius: 8px;
      font-size: 14px;
      background: #f8fafc;
      outline: none;
      transition: border 0.2s;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--primary);
      background: #ffffff;
    }

    .form-textarea {
      resize: vertical;
      min-height: 90px;
    }

    .btn-submit-form {
      background: linear-gradient(135deg, var(--accent-coral) 0%, #ea580c 100%);
      color: #ffffff;
      border: none;
      padding: 14px;
      font-size: 16px;
      font-weight: 700;
      border-radius: 8px;
      cursor: pointer;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .btn-submit-form:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(234, 88, 12, 0.3);
    }

    /* 资讯与友情链接 */
    .articles-block {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius);
      padding: 24px;
      margin-bottom: 24px;
    }

    .article-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 14px;
    }

    .article-pill {
      background: #f1f5f9;
      padding: 8px 14px;
      border-radius: 6px;
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
    }

    .article-pill:hover {
      background: #eff6ff;
      text-decoration: underline;
    }

    .friend-links-box {
      padding: 20px;
      background: #f8fafc;
      border-radius: 8px;
      border: 1px dashed #cbd5e1;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      font-size: 13px;
    }

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

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

    /* 底部专属 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 48px 0 28px;
      border-top: 4px solid var(--accent-coral);
    }

    .footer-inner {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 36px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-col p {
      font-size: 14px;
      line-height: 1.7;
    }

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

    .footer-col ul li a {
      color: #94a3b8;
      font-size: 14px;
    }

    .footer-col ul li a:hover {
      color: #ffffff;
    }

    .qr-container {
      display: inline-block;
      background: #ffffff;
      padding: 8px;
      border-radius: 8px;
      margin-top: 10px;
      max-width: 110px;
    }

    .qr-container img {
      width: 100%;
      display: block;
      height: auto;
    }

    .footer-bottom {
      border-top: 1px solid #334155;
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: #64748b;
    }

    /* 浮动工具 */
    .floating-contact {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--accent-coral);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
      cursor: pointer;
      font-size: 18px;
      font-weight: bold;
      transition: transform 0.2s;
    }

    .float-btn:hover {
      transform: scale(1.08);
    }

    .float-btn.scroll-top {
      background: #334155;
      display: none;
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .hero-container {
        grid-template-columns: 1fr;
      }
      .case-container {
        grid-template-columns: 1fr;
      }
      .form-section-box {
        grid-template-columns: 1fr;
        padding: 24px;
      }
      .footer-inner {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 16px 20px;
        box-shadow: var(--shadow-md);
      }
      .nav-menu.active {
        display: block;
      }
      .nav-links {
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 10px 0;
        width: 100%;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 28px;
      }
      .hero-highlights {
        grid-template-columns: 1fr;
      }
    }