/* roulang page: index */
:root {
      --bg-main: #FAFAFA;
      --bg-white: #FFFFFF;
      --bg-dark: #0B0E14;
      --bg-dark-card: #151A23;
      --primary: #0F172A;
      --accent: #00E599;
      --accent-hover: #00c784;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --text-light: #94A3B8;
      --border-color: #E2E8F0;
      --border-dark: #2A3241;
      --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      --font-mono: Inter, "SF Pro Display", -apple-system, monospace;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
      --shadow-hover: 0 12px 30px -5px rgba(15, 23, 42, 0.08);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: var(--font-family);
      color: var(--text-main);
      background-color: var(--bg-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部通知栏 */
    .top-bar {
      background-color: var(--bg-dark);
      color: var(--text-light);
      font-size: 0.8125rem;
      padding: 8px 0;
      border-bottom: 1px solid var(--border-dark);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-info {
      display: flex;
      gap: 20px;
    }
    .top-bar-info span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .top-bar-info i {
      color: var(--accent);
    }

    /* 主导航 */
    .main-nav-wrapper {
      background-color: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1000;
      transition: var(--transition);
    }
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.35rem;
      font-weight: 700;
      letter-spacing: -0.5px;
      color: var(--primary);
    }
    .brand-logo .logo-icon {
      width: 36px;
      height: 36px;
      background: var(--primary);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-size: 1.1rem;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 32px;
    }
    .nav-link {
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent);
      transition: var(--transition);
    }
    .nav-link:hover::after, .nav-link.active::after {
      width: 100%;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      font-size: 0.9375rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #FFFFFF;
    }
    .btn-primary:hover {
      background-color: #1E293B;
      transform: translateY(-1px);
      box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
    }
    .btn-accent {
      background-color: var(--accent);
      color: var(--primary);
    }
    .btn-accent:hover {
      background-color: var(--accent-hover);
      transform: translateY(-1px);
      box-shadow: 0 4px 14px rgba(0, 229, 153, 0.35);
    }
    .btn-outline {
      border-color: var(--border-color);
      color: var(--primary);
      background-color: #FFFFFF;
    }
    .btn-outline:hover {
      background-color: #F8FAFC;
      border-color: #CBD5E1;
    }
    .menu-toggle {
      display: none;
      font-size: 1.5rem;
      color: var(--primary);
      background: none;
      border: none;
      cursor: pointer;
    }

    /* 板块通用 */
    section {
      padding: 96px 0;
      position: relative;
    }
    .section-header {
      margin-bottom: 56px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 760px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      background-color: rgba(0, 229, 153, 0.12);
      color: #059669;
      font-size: 0.8125rem;
      font-weight: 600;
      border-radius: 99px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-header h2 {
      font-size: clamp(1.6rem, 3.2vw, 2.35rem);
      font-weight: 700;
      line-height: 1.25;
      color: var(--primary);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-header p {
      color: var(--text-muted);
      font-size: 1.0625rem;
      line-height: 1.7;
    }

    /* 板块 1: Hero Banner */
    .hero-section {
      padding: 70px 0 100px;
      background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: clamp(2.1rem, 4.5vw, 3.4rem);
      font-weight: 800;
      line-height: 1.18;
      color: var(--primary);
      margin-bottom: 22px;
      letter-spacing: -1px;
    }
    .hero-content h1 span {
      color: #059669;
      position: relative;
    }
    .hero-desc {
      font-size: 1.075rem;
      color: var(--text-muted);
      margin-bottom: 36px;
      line-height: 1.75;
      max-width: 600px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }
    .hero-trust {
      display: flex;
      align-items: center;
      gap: 24px;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
    }
    .trust-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.875rem;
      color: var(--text-muted);
      font-weight: 500;
    }
    .trust-item i {
      color: #059669;
    }
    .hero-visual {
      position: relative;
    }
    .hero-img-box {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.18);
      border: 1px solid rgba(255, 255, 255, 0.8);
      position: relative;
      background: #FFFFFF;
    }
    .hero-badge-float {
      position: absolute;
      bottom: 24px;
      left: 24px;
      background: rgba(15, 23, 42, 0.9);
      backdrop-filter: blur(8px);
      padding: 14px 20px;
      border-radius: var(--radius-md);
      color: #FFFFFF;
      display: flex;
      align-items: center;
      gap: 14px;
      border: 1px solid var(--border-dark);
      box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    }
    .hero-badge-float .metric-num {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--accent);
      font-family: var(--font-mono);
    }
    .hero-badge-float .metric-lbl {
      font-size: 0.75rem;
      color: var(--text-light);
    }

    /* 板块 2: 行业痛点与技术对比 */
    .pain-section {
      background-color: var(--bg-white);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .pain-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .pain-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
    }
    .pain-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .pain-card {
      padding: 20px 24px;
      background: var(--bg-main);
      border-radius: var(--radius-md);
      border-left: 4px solid #EF4444;
      transition: var(--transition);
    }
    .pain-card.solution-card {
      border-left-color: var(--accent);
      background: #F0FDF4;
    }
    .pain-card h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .pain-card p {
      font-size: 0.9125rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 3: 核心技术优势 (6卡网格) */
    .tech-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .tech-card {
      background: var(--bg-white);
      padding: 32px 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .tech-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: #CBD5E1;
    }
    .tech-icon {
      width: 52px;
      height: 52px;
      background: #F1F5F9;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.35rem;
      margin-bottom: 20px;
      transition: var(--transition);
    }
    .tech-card:hover .tech-icon {
      background: var(--primary);
      color: var(--accent);
    }
    .tech-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .tech-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块 4: 热门设备矩阵 (3卡片) */
    .product-section {
      background-color: #F8FAFC;
    }
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .product-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .product-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }
    .product-img {
      height: 220px;
      position: relative;
      background: #EDF2F7;
      overflow: hidden;
    }
    .product-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .product-card:hover .product-img img {
      transform: scale(1.05);
    }
    .product-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(15, 23, 42, 0.85);
      color: var(--accent);
      font-size: 0.75rem;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 4px;
    }
    .product-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .product-body h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .product-body p {
      font-size: 0.9125rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.6;
    }
    .spec-list {
      list-style: none;
      margin-bottom: 24px;
      padding-top: 16px;
      border-top: 1px solid #F1F5F9;
      display: flex;
      flex-direction: column;
      gap: 10px;
      flex-grow: 1;
    }
    .spec-item {
      font-size: 0.85rem;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
    }
    .spec-item span:first-child {
      color: var(--text-muted);
    }

    /* 板块 5: 工业设计与极简理念区 (深色) */
    .dark-section {
      background-color: var(--bg-dark);
      color: #FFFFFF;
      padding: 110px 0;
    }
    .dark-header h2 {
      color: #FFFFFF;
    }
    .dark-header p {
      color: var(--text-light);
    }
    .dark-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .dark-content h3 {
      font-size: 1.75rem;
      font-weight: 700;
      margin-bottom: 20px;
      line-height: 1.35;
    }
    .dark-content p {
      color: var(--text-light);
      font-size: 1rem;
      line-height: 1.75;
      margin-bottom: 30px;
    }
    .dark-features {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .dark-feat-box {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      padding: 18px 20px;
      border-radius: var(--radius-md);
    }
    .dark-feat-box h4 {
      font-size: 1rem;
      color: var(--accent);
      margin-bottom: 6px;
    }
    .dark-feat-box p {
      font-size: 0.85rem;
      color: var(--text-light);
      margin-bottom: 0;
    }

    /* 板块 6: 4步训练流线流程 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      position: relative;
    }
    .step-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: #E2E8F0;
      font-family: var(--font-mono);
      line-height: 1;
      margin-bottom: 16px;
    }
    .step-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .step-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 7: 关键性能指标数据条 */
    .metrics-bar {
      background: var(--primary);
      color: #FFFFFF;
      padding: 60px 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .metric-item .metric-val {
      font-size: 2.85rem;
      font-weight: 800;
      font-family: var(--font-mono);
      color: var(--accent);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .metric-item .metric-title {
      font-size: 1rem;
      font-weight: 600;
      color: #F8FAFC;
      margin-bottom: 4px;
    }
    .metric-item .metric-sub {
      font-size: 0.8125rem;
      color: var(--text-light);
    }

    /* 板块 8: 基地与机构案例故事 */
    .case-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }
    .case-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .case-img {
      height: 240px;
      position: relative;
    }
    .case-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .case-content {
      padding: 28px;
    }
    .case-tag {
      font-size: 0.75rem;
      font-weight: 600;
      color: #059669;
      background: #ECFDF5;
      padding: 3px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 12px;
    }
    .case-content h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
    }
    .case-content p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块 9: 真实用户口碑证言 */
    .reviews-section {
      background-color: #F8FAFC;
    }
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .review-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }
    .review-stars {
      color: #F59E0B;
      font-size: 0.875rem;
      margin-bottom: 16px;
      display: flex;
      gap: 4px;
    }
    .review-card p {
      font-size: 0.9375rem;
      color: var(--text-main);
      line-height: 1.65;
      margin-bottom: 20px;
    }
    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .reviewer-meta h4 {
      font-size: 0.9375rem;
      font-weight: 700;
      color: var(--primary);
    }
    .reviewer-meta span {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    /* 板块 10: 运动科学资讯摘要 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .news-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 0.8125rem;
      color: var(--text-muted);
      margin-bottom: 10px;
    }
    .news-body h3 {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
      line-height: 1.45;
    }
    .news-body p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .news-link {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .news-link i {
      color: #059669;
      transition: var(--transition);
    }
    .news-card:hover .news-link i {
      transform: translateX(4px);
    }

    /* 板块 11: 常见技术与选型 FAQ */
    .faq-section {
      background-color: #F8FAFC;
    }
    .faq-accordion {
      max-width: 820px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--primary);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }
    .faq-question i {
      font-size: 0.875rem;
      color: var(--text-muted);
      transition: transform 0.25s ease;
    }
    .faq-answer {
      padding: 0 24px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
      color: var(--text-muted);
      font-size: 0.9375rem;
      line-height: 1.7;
    }
    .faq-item.active {
      border-color: #CBD5E1;
    }
    .faq-item.active .faq-question i {
      transform: rotate(180deg);
      color: var(--primary);
    }
    .faq-item.active .faq-answer {
      padding-bottom: 20px;
      max-height: 200px;
    }

    /* 板块 12: 底部强转化 CTA */
    .cta-section {
      background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
      color: #FFFFFF;
      padding: 90px 0;
      text-align: center;
    }
    .cta-box {
      max-width: 760px;
      margin: 0 auto;
    }
    .cta-box h2 {
      font-size: clamp(1.8rem, 3.5vw, 2.6rem);
      font-weight: 800;
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }
    .cta-box p {
      font-size: 1.05rem;
      color: var(--text-light);
      margin-bottom: 36px;
      line-height: 1.7;
    }
    .cta-form {
      display: flex;
      gap: 12px;
      justify-content: center;
      max-width: 520px;
      margin: 0 auto 24px;
    }
    .cta-form input {
      flex: 1;
      padding: 14px 20px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-dark);
      background: rgba(255, 255, 255, 0.08);
      color: #FFFFFF;
      font-size: 0.9375rem;
      outline: none;
      transition: var(--transition);
    }
    .cta-form input::placeholder {
      color: var(--text-light);
    }
    .cta-form input:focus {
      border-color: var(--accent);
      background: rgba(255, 255, 255, 0.12);
    }
    .cta-form button {
      white-space: nowrap;
      padding: 14px 28px;
    }
    .cta-privacy {
      font-size: 0.8125rem;
      color: var(--text-light);
    }

    /* 页脚 */
    footer {
      background-color: var(--bg-dark);
      color: var(--text-light);
      padding: 80px 0 32px;
      border-top: 1px solid var(--border-dark);
      font-size: 0.875rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 48px;
      margin-bottom: 56px;
    }
    .footer-brand .brand-logo {
      color: #FFFFFF;
      margin-bottom: 18px;
    }
    .footer-brand p {
      line-height: 1.65;
      margin-bottom: 20px;
    }
    .footer-col h4 {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-links a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      padding-top: 32px;
      border-top: 1px solid var(--border-dark);
      text-align: center;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.8125rem;
    }

    /* 移动端响应式断点 */
    @media (max-width: 1024px) {
      .tech-grid, .product-grid, .reviews-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-grid, .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .nav-menu {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 72px);
        background: #FFFFFF;
        flex-direction: column;
        align-items: flex-start;
        padding: 32px 24px;
        gap: 20px;
        transition: 0.3s ease;
        border-top: 1px solid var(--border-color);
      }
      .nav-menu.open {
        left: 0;
      }
      .nav-link {
        font-size: 1.1rem;
        width: 100%;
      }
      .nav-actions {
        display: none;
      }
      .hero-grid, .pain-grid, .dark-grid, .case-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .tech-grid, .product-grid, .reviews-grid, .news-grid, .steps-grid, .metrics-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .cta-form {
        flex-direction: column;
      }
    }