:root {
      --primary: #ff5500;
      --primary-dark: #d84500;
      --secondary: #0044ff;
      --accent: #00d287;
      --surface: #ffffff;
      --surface-alt: #f6f8fc;
      --surface-card: #ffffff;
      --text-main: #181d27;
      --text-muted: #535862;
      --border: #e9eaec;
      --border-focus: #ff5500;
      --radius: 12px;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.07);
      --shadow-lg: 0 16px 36px rgba(0, 0, 0, 0.1);
      --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, sans-serif;
      background-color: var(--surface-alt);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    /* 顶部导航 */
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }

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

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

    .brand-wrap img.ai-page-logo {
      height: 40px;
      width: auto;
      display: block;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

    .brand-title span {
      color: var(--primary);
    }

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

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

    .nav-links a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-muted);
      padding: 8px 14px;
      border-radius: 8px;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--primary);
      background-color: rgba(255, 85, 0, 0.08);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 20px;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: 8px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(255, 85, 0, 0.35);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 85, 0, 0.45);
    }

    .btn-secondary {
      background: var(--secondary);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(0, 68, 255, 0.3);
    }

    .btn-secondary:hover {
      background: #0037cc;
      transform: translateY(-2px);
    }

    .btn-outline {
      border-color: var(--border);
      background: var(--surface);
      color: var(--text-main);
    }

    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(255, 85, 0, 0.04);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 4px;
    }

    /* 首屏 Hero (无图片，明艳科技感纯CSS) */
    .hero-section {
      background: linear-gradient(135deg, #ffffff 0%, #fff4ee 40%, #eef5ff 100%);
      padding: 70px 0 60px;
      border-bottom: 1px solid var(--border);
      position: relative;
      overflow: hidden;
    }

    .hero-wrapper {
      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: rgba(255, 85, 0, 0.1);
      border: 1px solid rgba(255, 85, 0, 0.25);
      color: var(--primary);
      padding: 6px 14px;
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .hero-title {
      font-size: 2.75rem;
      line-height: 1.25;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }

    .hero-title .highlight {
      background: linear-gradient(90deg, var(--primary) 0%, #ff8000 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.15rem;
      color: var(--text-muted);
      margin-bottom: 28px;
      line-height: 1.7;
    }

    .hero-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 32px;
    }

    .hero-highlights {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      padding-top: 20px;
      border-top: 1px dashed rgba(0, 0, 0, 0.1);
    }

    .hero-highlight-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .hero-highlight-item span.icon {
      color: var(--accent);
      font-weight: bold;
    }

    /* 首屏右侧纯CSS聚合工作台卡片展示 */
    .hero-card-panel {
      background: #ffffff;
      border-radius: 18px;
      border: 1px solid rgba(0, 68, 255, 0.15);
      box-shadow: var(--shadow-lg);
      padding: 24px;
      position: relative;
    }

    .panel-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border);
      padding-bottom: 14px;
      margin-bottom: 18px;
    }

    .panel-dots {
      display: flex;
      gap: 6px;
    }

    .panel-dots span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #e2e8f0;
    }

    .panel-dots span:nth-child(1) { background: #ff5f56; }
    .panel-dots span:nth-child(2) { background: #ffbd2e; }
    .panel-dots span:nth-child(3) { background: #27c93f; }

    .panel-status {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--secondary);
      background: rgba(0, 68, 255, 0.08);
      padding: 4px 10px;
      border-radius: 6px;
    }

    .panel-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 18px;
    }

    .panel-tile {
      background: var(--surface-alt);
      border: 1px solid var(--border);
      padding: 14px;
      border-radius: 10px;
      transition: transform 0.2s ease;
    }

    .panel-tile:hover {
      transform: translateY(-2px);
      border-color: var(--primary);
    }

    .panel-tile h4 {
      font-size: 0.95rem;
      margin-bottom: 4px;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .panel-tile p {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.4;
    }

    .panel-footer-metric {
      background: linear-gradient(90deg, rgba(255, 85, 0, 0.08) 0%, rgba(0, 68, 255, 0.08) 100%);
      border-radius: 10px;
      padding: 12px 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      font-weight: 700;
    }

    .panel-footer-metric span.tag {
      color: var(--primary);
    }

    /* 模块通用样式 */
    section.page-section {
      padding: 64px 0;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-block;
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 800;
      letter-spacing: 1px;
      text-transform: uppercase;
      background: rgba(255, 85, 0, 0.1);
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 10px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

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

    .metric-card {
      background: var(--surface-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .metric-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--secondary);
      transform: translateY(-4px);
    }

    .metric-value {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 8px;
    }

    .metric-label {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .metric-tip {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 平台介绍 */
    .about-box {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .about-text h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .about-text p {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 16px;
      line-height: 1.7;
    }

    .about-features {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 20px;
    }

    .about-features li {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .about-features li::before {
      content: "✓";
      color: var(--accent);
      font-weight: bold;
    }

    .about-visual {
      background: linear-gradient(135deg, #f0f4ff 0%, #fff0e8 100%);
      border-radius: var(--radius);
      padding: 24px;
      border: 1px solid var(--border);
    }

    .badge-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .badge-item {
      background: var(--surface);
      border: 1px solid var(--border);
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--text-main);
      padding: 4px 10px;
      border-radius: 6px;
    }

    /* 场景卡片网格 (核心卖点) */
    .cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .feature-card {
      background: var(--surface-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .feature-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--secondary);
      background: rgba(0, 68, 255, 0.08);
      display: inline-block;
      padding: 3px 8px;
      border-radius: 4px;
      margin-bottom: 12px;
      align-self: flex-start;
    }

    .feature-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .feature-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
      flex-grow: 1;
    }

    .feature-action {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 标准流程时间线 */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .step-item {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
      position: relative;
    }

    .step-num {
      font-size: 2rem;
      font-weight: 900;
      color: rgba(255, 85, 0, 0.2);
      line-height: 1;
      margin-bottom: 12px;
    }

    .step-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 案例展示区带真实图片 */
    .case-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
    }

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

    .case-card-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #eaedf2;
      overflow: hidden;
    }

    .case-card-img-wrap.square {
      aspect-ratio: 1 / 1;
    }

    .case-card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }

    .case-card:hover .case-card-img-wrap img {
      transform: scale(1.03);
    }

    .case-card-content {
      padding: 20px;
      flex-grow: 1;
    }

    .case-card-content h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .case-card-content p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* 对比评测表格 */
    .compare-container {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .compare-header {
      background: linear-gradient(90deg, #181d27 0%, #2b3240 100%);
      color: #ffffff;
      padding: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    .compare-score {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-badge {
      background: var(--primary);
      color: #ffffff;
      padding: 6px 14px;
      border-radius: 30px;
      font-weight: 800;
      font-size: 1.1rem;
    }

    .table-wrap {
      overflow-x: auto;
    }

    table.compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }

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

    table.compare-table th {
      background: #fafbfc;
      font-weight: 800;
      color: var(--text-main);
    }

    table.compare-table td.highlight-col {
      background: rgba(255, 85, 0, 0.03);
      font-weight: 700;
      color: var(--primary-dark);
    }

    /* Token 比价 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .token-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
      text-align: center;
      position: relative;
    }

    .token-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-md);
    }

    .token-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 2px 10px;
      border-radius: 12px;
    }

    .token-price {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      margin: 12px 0;
    }

    .token-price span {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: normal;
    }

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

    .review-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      font-style: italic;
    }

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

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
    }

    .author-meta h5 {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-meta span {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    /* FAQ 手风琴 */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 10px;
      overflow: hidden;
      transition: border-color 0.2s;
    }

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

    .faq-question {
      padding: 18px 22px;
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }

    .faq-question::after {
      content: "+";
      font-size: 1.25rem;
      color: var(--primary);
      transition: transform 0.2s;
    }

    .faq-item.active .faq-question::after {
      content: "-";
    }

    .faq-answer {
      display: none;
      padding: 0 22px 18px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      border-top: 1px solid #f2f3f5;
      padding-top: 14px;
    }

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

    /* 需求匹配与表单板块 */
    .form-wrapper {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 16px;
      box-shadow: var(--shadow-md);
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr 1.2fr;
    }

    .form-info-pane {
      background: linear-gradient(135deg, #181d27 0%, #1f2736 100%);
      color: #ffffff;
      padding: 40px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .form-info-pane h3 {
      font-size: 1.6rem;
      margin-bottom: 12px;
      color: #ffffff;
    }

    .form-info-pane p {
      color: #a0a6b2;
      font-size: 0.95rem;
      line-height: 1.6;
      margin-bottom: 24px;
    }

    .qr-box {
      background: rgba(255, 255, 255, 0.08);
      border-radius: 10px;
      padding: 16px;
      display: inline-flex;
      align-items: center;
      gap: 16px;
    }

    .qr-box img {
      width: 80px;
      height: 80px;
      border-radius: 6px;
      background: #fff;
    }

    .qr-text {
      font-size: 0.85rem;
      color: #ffffff;
    }

    .form-pane {
      padding: 40px;
    }

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

    .form-group label {
      display: block;
      font-size: 0.88rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 0.92rem;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--surface-alt);
      transition: all 0.2s;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(255, 85, 0, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* 文章列表与资讯 */
    .article-links-wrap {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 14px;
      margin-top: 24px;
    }

    .article-item {
      background: var(--surface);
      border: 1px solid var(--border);
      padding: 14px 18px;
      border-radius: 8px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .article-item:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateX(4px);
    }

    /* 加盟代理 Banner */
    .agent-banner {
      background: linear-gradient(90deg, #ff5500 0%, #ff8000 100%);
      color: #ffffff;
      border-radius: var(--radius);
      padding: 36px 40px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
    }

    .agent-banner h3 {
      font-size: 1.6rem;
      margin-bottom: 6px;
    }

    .agent-banner p {
      font-size: 0.95rem;
      opacity: 0.95;
    }

    .btn-light {
      background: #ffffff;
      color: var(--primary);
      font-weight: 800;
    }

    .btn-light:hover {
      background: #f8f8f8;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    /* 页脚 */
    footer.site-footer {
      background: #12161f;
      color: #94a3b8;
      padding: 56px 0 24px;
      font-size: 0.9rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 1rem;
      margin-bottom: 16px;
      font-weight: 700;
    }

    .footer-col p {
      line-height: 1.6;
      margin-bottom: 10px;
    }

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

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

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
    }

    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .friend-links a {
      color: #94a3b8;
    }

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

    /* 浮动客服入口 */
    .floating-tools {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .floating-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--text-main);
      font-weight: bold;
      transition: all 0.2s;
    }

    .floating-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: scale(1.08);
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-wrapper {
        grid-template-columns: 1fr;
      }
      .metric-grid,
      .cards-grid,
      .reviews-grid,
      .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .case-grid,
      .form-wrapper,
      .about-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      nav.main-nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 1px solid var(--border);
        padding: 16px 20px;
        box-shadow: var(--shadow-md);
      }
      nav.main-nav.open {
        display: block;
      }
      .nav-links {
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links a {
        display: block;
        padding: 10px 0;
        width: 100%;
      }
      .hero-title {
        font-size: 2rem;
      }
      .metric-grid,
      .cards-grid,
      .reviews-grid,
      .token-grid,
      .process-steps {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }