:root {
      --primary-color: #4f46e5;
      --primary-hover: #4338ca;
      --accent-cyan: #06b6d4;
      --accent-pink: #ec4899;
      --accent-amber: #f59e0b;
      --accent-lime: #10b981;
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-sub: #64748b;
      --border-color: #e2e8f0;
      --gradient-vibrant: linear-gradient(135deg, #4f46e5 0%, #06b6d4 50%, #ec4899 100%);
      --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(248,250,252,0.95) 100%);
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(79, 70, 229, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 20px 30px -10px rgba(79, 70, 229, 0.2);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
    }

    body {
      background: linear-gradient(180deg, #f1f5f9 0%, #f8fafc 15%, #ffffff 50%, #f8fafc 100%);
      color: var(--text-main);
      line-height: 1.65;
      font-size: 16px;
      overflow-x: hidden;
      min-height: 100vh;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      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, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: var(--shadow-sm);
    }

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

    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
    }

    .brand-name {
      font-size: 20px;
      font-weight: 800;
      background: linear-gradient(90deg, #4f46e5, #ec4899);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }

    .nav-links li a {
      color: var(--text-main);
      text-decoration: none;
      font-weight: 600;
      font-size: 14px;
      padding: 8px 12px;
      border-radius: 6px;
      transition: all 0.25s ease;
      display: inline-block;
    }

    .nav-links li a:hover {
      color: var(--primary-color);
      background: rgba(79, 70, 229, 0.08);
    }

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

    .btn-header {
      padding: 9px 18px;
      font-size: 14px;
      font-weight: 700;
      border-radius: 8px;
      text-decoration: none;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .btn-portal {
      background: var(--gradient-vibrant);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
      border: none;
    }

    .btn-portal:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(236, 72, 153, 0.4);
      color: #ffffff;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      padding: 8px;
      border-radius: 6px;
      cursor: pointer;
    }

    /* 首屏 Hero (无图片) */
    .hero-section {
      padding: 70px 0 50px 0;
      position: relative;
      background: radial-gradient(circle at 50% 20%, rgba(236, 72, 153, 0.08) 0%, rgba(6, 182, 212, 0.08) 35%, transparent 70%);
      text-align: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border-radius: 50px;
      background: #eef2ff;
      border: 1px solid #c7d2fe;
      color: var(--primary-color);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 24px;
      box-shadow: 0 2px 6px rgba(79, 70, 229, 0.1);
    }

    .hero-badge-pulse {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      animation: pulse-ring 1.8s infinite cubic-bezier(0.66, 0, 0, 1);
    }

    @keyframes pulse-ring {
      to {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
      }
    }

    .main-title {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
      color: #0f172a;
    }

    .title-highlight {
      background: linear-gradient(135deg, #4f46e5 0%, #ec4899 50%, #f59e0b 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtext {
      max-width: 820px;
      margin: 0 auto 36px auto;
      font-size: 18px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      justify-content: center;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 50px;
    }

    .btn-main-action {
      padding: 15px 36px;
      font-size: 17px;
      font-weight: 800;
      border-radius: 12px;
      text-decoration: none;
      color: #ffffff;
      background: var(--gradient-vibrant);
      box-shadow: 0 10px 25px rgba(79, 70, 229, 0.4);
      transition: all 0.3s ease;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      border: none;
    }

    .btn-main-action:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 15px 35px rgba(236, 72, 153, 0.5);
      color: #ffffff;
    }

    .btn-outline-action {
      padding: 15px 32px;
      font-size: 16px;
      font-weight: 700;
      border-radius: 12px;
      text-decoration: none;
      color: var(--text-main);
      background: #ffffff;
      border: 2px solid var(--border-color);
      transition: all 0.25s ease;
    }

    .btn-outline-action:hover {
      border-color: var(--primary-color);
      color: var(--primary-color);
      background: #f8fafc;
      transform: translateY(-2px);
    }

    .hero-metrics-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #ffffff;
      border: 1px solid rgba(79, 70, 229, 0.15);
      padding: 24px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      max-width: 1060px;
      margin: 0 auto;
    }

    .metric-card {
      text-align: center;
      padding: 10px 14px;
      border-right: 1px solid var(--border-color);
    }

    .metric-card:last-child {
      border-right: none;
    }

    .metric-value {
      font-size: 32px;
      font-weight: 900;
      color: #4f46e5;
      margin-bottom: 4px;
    }

    .metric-value span {
      font-size: 18px;
      color: var(--accent-pink);
    }

    .metric-label {
      font-size: 13px;
      color: var(--text-sub);
      font-weight: 600;
    }

    /* 模块通用样式 */
    .section-block {
      padding: 60px 0;
      border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 40px auto;
    }

    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--primary-color);
      background: rgba(79, 70, 229, 0.08);
      padding: 4px 12px;
      border-radius: 4px;
      margin-bottom: 10px;
    }

    .section-title {
      font-size: 30px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
    }

    /* 矩阵/卡片布局 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

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

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(79, 70, 229, 0.3);
    }

    .card-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(6, 182, 212, 0.15));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 16px;
      color: var(--primary-color);
    }

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

    .card-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* 模型标签云 */
    .model-tags-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 25px;
    }

    .model-tag {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      padding: 7px 16px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      color: #1e293b;
      box-shadow: 0 2px 4px rgba(0,0,0,0.02);
      transition: all 0.2s ease;
    }

    .model-tag:hover {
      background: var(--primary-color);
      color: #ffffff;
      border-color: var(--primary-color);
      transform: translateY(-2px);
    }

    /* 对比评测高亮板块 */
    .review-score-banner {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 34px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
      box-shadow: var(--shadow-lg);
    }

    .score-left h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 8px;
      color: #f8fafc;
    }

    .score-stars {
      color: #fbbf24;
      font-size: 20px;
      letter-spacing: 2px;
    }

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

    .score-big {
      font-size: 48px;
      font-weight: 900;
      color: #38bdf8;
      line-height: 1;
    }

    .score-max {
      font-size: 18px;
      color: #94a3b8;
    }

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

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

    .custom-table th, .custom-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 14px;
    }

    .custom-table th {
      background: #f1f5f9;
      color: var(--text-main);
      font-weight: 700;
    }

    .custom-table tr:last-child td {
      border-bottom: none;
    }

    .custom-table td.highlight-col {
      background: rgba(79, 70, 229, 0.04);
      font-weight: 700;
      color: var(--primary-color);
    }

    /* 流程步骤 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

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

    .step-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--gradient-vibrant);
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      margin-bottom: 14px;
    }

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

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

    /* 素材图片与案例展示 */
    .media-card-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
    }

    .media-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .media-card-img-wrap {
      width: 100%;
      background: #f1f5f9;
      display: block;
    }

    .media-card-img-wrap img {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
    }

    .media-card-content {
      padding: 20px;
    }

    .media-card-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 6px;
    }

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

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

    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-quote {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      position: relative;
    }

    .user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 12px;
    }

    .user-avatar-badge {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, #06b6d4, #4f46e5);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
    }

    .user-meta-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

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

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 18px 22px;
      font-weight: 700;
      font-size: 15px;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      background: #ffffff;
    }

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

    .faq-arrow {
      font-size: 14px;
      transition: transform 0.3s ease;
      color: var(--text-sub);
    }

    .faq-item.active .faq-arrow {
      transform: rotate(180deg);
      color: var(--primary-color);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 18px 22px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      border-top: 1px solid #f8fafc;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* 文章列表与外链 */
    .article-section-wrap {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 14px;
    }

    .article-link-item {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 12px 16px;
      background: #f8fafc;
      border-radius: 6px;
      text-decoration: none;
      color: var(--text-main);
      font-size: 14px;
      font-weight: 600;
      transition: all 0.2s ease;
    }

    .article-link-item:hover {
      background: #eef2ff;
      color: var(--primary-color);
      transform: translateX(4px);
    }

    /* 表单与联系我们 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 30px;
    }

    .form-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 14px;
      color: var(--text-main);
      background: #ffffff;
      transition: border-color 0.2s ease;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
    }

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

    .btn-submit-form {
      width: 100%;
      padding: 14px;
      font-size: 16px;
      font-weight: 800;
      background: var(--gradient-vibrant);
      color: #ffffff;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
      transition: all 0.25s ease;
    }

    .btn-submit-form:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(236, 72, 153, 0.4);
    }

    .contact-info-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 20px;
    }

    .contact-item-icon {
      font-size: 20px;
      color: var(--primary-color);
      flex-shrink: 0;
    }

    .contact-item-text strong {
      display: block;
      font-size: 14px;
      color: var(--text-main);
    }

    .contact-item-text span {
      font-size: 13px;
      color: var(--text-muted);
    }

    .kefu-qr-box {
      text-align: center;
      background: #f8fafc;
      padding: 16px;
      border-radius: 10px;
      border: 1px dashed #cbd5e1;
    }

    .kefu-qr-box img {
      width: 130px;
      height: 130px;
      display: block;
      margin: 0 auto 8px auto;
      border-radius: 6px;
    }

    .kefu-qr-box p {
      font-size: 12px;
      color: var(--text-sub);
      font-weight: 600;
    }

    /* 代理加盟卡片 */
    .agent-promo-card {
      background: linear-gradient(135deg, #0ea5e9 0%, #4f46e5 50%, #ec4899 100%);
      border-radius: var(--radius-lg);
      padding: 40px;
      color: #ffffff;
      text-align: center;
      box-shadow: var(--shadow-lg);
    }

    .agent-promo-card h3 {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .agent-promo-card p {
      max-width: 720px;
      margin: 0 auto 24px auto;
      font-size: 16px;
      color: rgba(255, 255, 255, 0.9);
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 50px 0 25px 0;
      border-top: 1px solid #1e293b;
    }

    .footer-content-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 35px;
    }

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

    .footer-col p {
      font-size: 13px;
      line-height: 1.6;
      color: #94a3b8;
      margin-bottom: 12px;
    }

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

    .footer-links-list li {
      margin-bottom: 8px;
    }

    .footer-links-list a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 13px;
      transition: color 0.2s ease;
    }

    .footer-links-list a:hover {
      color: #38bdf8;
    }

    .friendship-links-wrap {
      border-top: 1px solid #1e293b;
      padding-top: 20px;
      margin-bottom: 25px;
    }

    .friendship-links-wrap h5 {
      font-size: 13px;
      color: #cbd5e1;
      margin-bottom: 10px;
    }

    .friendship-links-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .friendship-links-flex a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 12px;
      transition: color 0.2s ease;
    }

    .friendship-links-flex a:hover {
      color: #ffffff;
    }

    .footer-bottom-bar {
      border-top: 1px solid #1e293b;
      padding-top: 20px;
      text-align: center;
      font-size: 12px;
      color: #64748b;
    }

    /* 悬浮客服与回到顶部 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 25px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .floating-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--gradient-vibrant);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      text-decoration: none;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
      font-size: 18px;
      transition: all 0.25s ease;
      cursor: pointer;
      border: none;
    }

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

    /* 响应式断点适配 */
    @media (max-width: 992px) {
      .grid-4, .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-metrics-bar {
        grid-template-columns: repeat(2, 1fr);
      }
      .metric-card {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
      }
      .metric-card:nth-last-child(-n+2) {
        border-bottom: none;
      }
      .media-card-grid, .contact-grid {
        grid-template-columns: 1fr;
      }
      .footer-content-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .mobile-menu-btn {
        display: block;
      }
      .main-title {
        font-size: 28px;
      }
      .grid-3, .grid-4, .grid-2, .process-timeline, .testimonials-grid, .article-links-grid {
        grid-template-columns: 1fr;
      }
      .review-score-banner {
        flex-direction: column;
        text-align: center;
        gap: 16px;
      }
      .score-right {
        text-align: center;
      }
      .hero-metrics-bar {
        grid-template-columns: 1fr;
      }
      .metric-card {
        border-bottom: 1px solid var(--border-color);
      }
      .metric-card:last-child {
        border-bottom: none;
      }
    }