/* roulang page: index */
:root {
      --primary: #111317;
      --primary-dark: #0a0b0d;
      --accent: #1a66ff;
      --accent-glow: #00e5ff;
      --titanium: #8e9aa8;
      --bg-light: #f8f9fa;
      --bg-white: #ffffff;
      --text-main: #333a42;
      --text-muted: #76818e;
      --text-dark: #0d0f12;
      --border-light: rgba(0, 0, 0, 0.08);
      --border-dark: rgba(255, 255, 255, 0.12);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
      --shadow-hover: 0 12px 32px rgba(17, 19, 23, 0.08);
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-white);
      color: var(--text-main);
      line-height: 1.7;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button, input, select {
      font-family: inherit;
    }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 32px;
    }
    @media (max-width: 768px) {
      .container {
        padding: 0 20px;
      }
    }
    .section-spacing {
      padding: 96px 0;
    }
    @media (max-width: 768px) {
      .section-spacing {
        padding: 64px 0;
      }
    }
    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: rgba(26, 102, 255, 0.08);
      color: var(--accent);
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      letter-spacing: 0.05em;
      margin-bottom: 16px;
      text-transform: uppercase;
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 700;
      color: var(--text-dark);
      letter-spacing: -0.02em;
      line-height: 1.25;
      margin-bottom: 20px;
    }
    @media (max-width: 768px) {
      .section-title {
        font-size: 1.75rem;
      }
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 780px;
      margin-bottom: 48px;
      line-height: 1.8;
    }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 32px;
      background: var(--primary);
      color: #fff;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid var(--primary);
      transition: var(--transition);
      cursor: pointer;
    }
    .btn-primary:hover {
      background: var(--accent);
      border-color: var(--accent);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(26, 102, 255, 0.25);
    }
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 28px;
      background: transparent;
      color: var(--primary);
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(0, 0, 0, 0.15);
      transition: var(--transition);
      cursor: pointer;
    }
    .btn-secondary:hover {
      border-color: var(--primary);
      background: rgba(0, 0, 0, 0.02);
      transform: translateY(-2px);
    }

    /* 顶部导航 */
    .top-utility-bar {
      background: #f1f3f5;
      border-bottom: 1px solid var(--border-light);
      font-size: 0.8rem;
      color: var(--text-muted);
      padding: 8px 0;
    }
    .utility-flex {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .utility-links {
      display: flex;
      gap: 20px;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-light);
      transition: var(--transition);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.35rem;
      font-weight: 800;
      letter-spacing: -0.03em;
      color: var(--primary);
    }
    .brand-logo-icon {
      width: 28px;
      height: 28px;
      background: var(--primary);
      border-radius: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 14px;
      font-weight: 900;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 32px;
    }
    .nav-item {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      position: relative;
    }
    .nav-item:hover, .nav-item.active {
      color: var(--accent);
    }
    .nav-item::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent);
      transition: var(--transition);
    }
    .nav-item:hover::after, .nav-item.active::after {
      width: 100%;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }
    .mobile-menu-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--primary);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 板块一：Hero 卡片堆叠流 */
    .hero-section {
      background: #0d0f12;
      color: #ffffff;
      padding: 100px 0 120px;
      position: relative;
      overflow: hidden;
    }
    .hero-bg-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: url('/assets/images/efa3d8d9615f17dd.webp') center center / cover no-repeat;
      opacity: 0.28;
      filter: saturate(1.2);
    }
    .hero-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 3.25rem;
      font-weight: 800;
      line-height: 1.18;
      letter-spacing: -0.03em;
      margin-bottom: 24px;
      color: #ffffff;
    }
    .hero-content h1 span {
      background: linear-gradient(135deg, #ffffff 40%, var(--titanium) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.15rem;
      line-height: 1.8;
      color: var(--titanium);
      margin-bottom: 36px;
      max-width: 640px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .hero-btn-accent {
      background: var(--accent);
      border-color: var(--accent);
      color: #ffffff;
    }
    .hero-btn-accent:hover {
      background: #0052cc;
    }
    .hero-btn-ghost {
      border-color: rgba(255, 255, 255, 0.25);
      color: #ffffff;
    }
    .hero-btn-ghost:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #ffffff;
    }
    .hero-stack-wrap {
      position: relative;
      min-height: 440px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .hero-main-card {
      position: relative;
      z-index: 3;
      width: 100%;
      max-width: 480px;
      border-radius: var(--radius-lg);
      background: rgba(26, 30, 36, 0.85);
      border: 1px solid var(--border-dark);
      backdrop-filter: blur(16px);
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
      overflow: hidden;
      transition: var(--transition);
    }
    .hero-main-card:hover {
      transform: translateY(-4px);
    }
    .hero-main-card-img {
      width: 100%;
      height: 230px;
      object-fit: cover;
    }
    .hero-main-card-body {
      padding: 24px;
    }
    .card-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--accent-glow);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-bottom: 8px;
    }
    .hero-sub-card-left {
      position: absolute;
      top: -20px;
      left: -24px;
      width: 220px;
      background: rgba(17, 19, 23, 0.9);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 16px;
      z-index: 4;
      backdrop-filter: blur(12px);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
    }
    .hero-sub-card-right {
      position: absolute;
      bottom: -24px;
      right: -20px;
      width: 230px;
      background: rgba(17, 19, 23, 0.9);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 16px;
      z-index: 4;
      backdrop-filter: blur(12px);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
    }
    .stat-label {
      font-size: 0.75rem;
      color: var(--titanium);
    }
    .stat-value {
      font-size: 1.4rem;
      font-weight: 800;
      color: #ffffff;
      font-variant-numeric: tabular-nums;
      margin-top: 4px;
    }

    /* 板块二：架构与问题拆解 */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .arch-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-subtle);
    }
    .arch-badge-float {
      position: absolute;
      bottom: 24px;
      left: 24px;
      background: rgba(17, 19, 23, 0.88);
      backdrop-filter: blur(8px);
      color: #ffffff;
      padding: 12px 20px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-dark);
      font-size: 0.85rem;
    }
    .spec-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 24px;
    }
    .spec-item {
      display: flex;
      gap: 16px;
      align-items: flex-start;
      padding: 16px;
      background: var(--bg-light);
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-light);
    }
    .spec-icon {
      width: 32px;
      height: 32px;
      border-radius: 6px;
      background: #e6edff;
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      flex-shrink: 0;
    }

    /* 板块三：核心优势矩阵 6卡片 */
    .tech-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .tech-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      box-shadow: var(--shadow-subtle);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .tech-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(26, 102, 255, 0.3);
    }
    .tech-card-icon {
      width: 44px;
      height: 44px;
      background: #f1f4f9;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      margin-bottom: 20px;
    }
    .tech-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 12px;
    }
    .tech-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块四：车型阵容 */
    .models-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .model-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-subtle);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .model-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }
    .model-media {
      position: relative;
      height: 220px;
      overflow: hidden;
    }
    .model-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .model-card:hover .model-media img {
      transform: scale(1.04);
    }
    .model-body {
      padding: 28px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .model-title {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 6px;
    }
    .model-subtitle {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .model-metrics {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      padding: 16px 0;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
      margin-bottom: 24px;
      text-align: center;
    }
    .metric-value {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--primary);
    }
    .metric-caption {
      font-size: 0.75rem;
      color: var(--text-muted);
    }
    .model-action {
      margin-top: auto;
    }

    /* 板块五：黑科技沉浸区 (深色) */
    .philosophy-section {
      background: var(--primary-dark);
      color: #ffffff;
      position: relative;
    }
    .philosophy-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px;
      align-items: center;
    }
    .dark-card-box {
      background: #14171d;
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    }
    .dark-card-box img {
      border-radius: var(--radius-md);
      margin-top: 20px;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    /* 板块六：场景演示 */
    .scenarios-wrap {
      display: flex;
      flex-direction: column;
      gap: 40px;
    }
    .scenario-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
      background: var(--bg-light);
      padding: 36px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
    }
    .scenario-row.reverse {
      grid-template-columns: 1fr 1fr;
    }
    .scenario-row.reverse .scenario-text {
      order: 1;
    }
    .scenario-row.reverse .scenario-img {
      order: 2;
    }
    .scenario-img {
      border-radius: var(--radius-md);
      overflow: hidden;
      height: 280px;
    }
    .scenario-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* 板块七：统计条 */
    .metrics-strip {
      background: var(--primary);
      color: #ffffff;
      padding: 60px 0;
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
    }
    .metrics-flex {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .strip-num {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--accent-glow);
      line-height: 1.1;
      font-variant-numeric: tabular-nums;
    }
    .strip-title {
      font-size: 1rem;
      font-weight: 600;
      margin-top: 8px;
      color: #ffffff;
    }
    .strip-sub {
      font-size: 0.8rem;
      color: var(--titanium);
      margin-top: 4px;
    }

    /* 板块八：口碑评价 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 32px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow-subtle);
    }
    .owner-info {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-top: 24px;
    }
    .owner-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      object-fit: cover;
      border: 2px solid var(--border-light);
    }
    .owner-name {
      font-weight: 700;
      color: var(--text-dark);
      font-size: 1rem;
    }
    .owner-tag {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 板块九：前沿资讯证据 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .news-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-subtle);
      transition: var(--transition);
    }
    .news-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .news-img {
      height: 180px;
      overflow: hidden;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 24px;
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--accent);
      font-weight: 600;
      margin-bottom: 8px;
    }
    .news-heading {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .news-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块十：FAQ */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      border-bottom: 1px solid var(--border-light);
      margin-bottom: 16px;
    }
    .faq-question {
      width: 100%;
      background: none;
      border: none;
      padding: 20px 0;
      text-align: left;
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-dark);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }
    .faq-icon {
      font-size: 1.3rem;
      color: var(--accent);
      transition: transform 0.3s ease;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.8;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding-bottom: 20px;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    /* 板块十一：保障条 */
    .trust-strip {
      background: #f8f9fa;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
      padding: 48px 0;
    }
    .trust-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .trust-item {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .trust-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: #ffffff;
      border: 1px solid var(--border-light);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      flex-shrink: 0;
      font-size: 1.25rem;
      font-weight: 700;
    }
    .trust-item-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 2px;
    }
    .trust-item-desc {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.4;
    }

    /* 板块十二：试驾预约表单 */
    .lead-section {
      background: #111317;
      color: #ffffff;
      padding: 96px 0;
      position: relative;
    }
    .lead-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
      background: #16191f;
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    }
    .lead-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .lead-form .full-col {
      grid-column: span 2;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .form-group label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--titanium);
    }
    .form-control {
      width: 100%;
      background: #0d0f12;
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      font-size: 0.95rem;
      color: #ffffff;
      outline: none;
      transition: var(--transition);
    }
    .form-control:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(26, 102, 255, 0.2);
    }
    .privacy-notice {
      font-size: 0.78rem;
      color: var(--titanium);
      line-height: 1.5;
    }

    /* 底部固定转化条 (移动端) */
    .mobile-sticky-bar {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 60px;
      background: rgba(17, 19, 23, 0.96);
      backdrop-filter: blur(10px);
      border-top: 1px solid var(--border-dark);
      z-index: 999;
      padding: 8px 16px;
      align-items: center;
      justify-content: space-between;
    }
    .mobile-sticky-bar .call-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.1);
      color: #ffffff;
      font-size: 1.1rem;
    }
    .mobile-sticky-bar .book-btn {
      flex: 1;
      margin-left: 12px;
      height: 44px;
      background: var(--accent);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      font-weight: 700;
      font-size: 0.95rem;
    }

    /* 页脚 */
    .site-footer {
      background: #0a0b0d;
      color: var(--titanium);
      padding: 72px 0 32px;
      border-top: 1px solid var(--border-dark);
      font-size: 0.88rem;
    }
    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr repeat(3, 1fr);
      gap: 48px;
      margin-bottom: 56px;
    }
    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.25rem;
      margin-bottom: 16px;
    }
    .footer-col h5 {
      color: #ffffff;
      font-size: 1rem;
      margin-bottom: 20px;
      font-weight: 600;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-links a:hover {
      color: #ffffff;
    }
    .footer-bottom {
      border-top: 1px solid var(--border-dark);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.8rem;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-inner {
        grid-template-columns: 1fr;
      }
      .hero-stack-wrap {
        margin-top: 40px;
      }
      .arch-grid, .philosophy-grid, .lead-box {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .tech-grid, .models-grid, .testimonial-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-flex, .trust-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .main-nav, .top-utility-bar {
        display: none;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .mobile-sticky-bar {
        display: flex;
      }
      body {
        padding-bottom: 60px;
      }
      .hero-content h1 {
        font-size: 2.2rem;
      }
      .hero-sub-card-left, .hero-sub-card-right {
        display: none;
      }
      .tech-grid, .models-grid, .testimonial-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .metrics-flex, .trust-grid {
        grid-template-columns: 1fr;
      }
      .scenario-row, .scenario-row.reverse {
        grid-template-columns: 1fr;
        padding: 24px;
      }
      .scenario-row.reverse .scenario-text {
        order: 2;
      }
      .scenario-row.reverse .scenario-img {
        order: 1;
      }
      .lead-form {
        grid-template-columns: 1fr;
      }
      .lead-form .full-col {
        grid-column: span 1;
      }
      .lead-box {
        padding: 28px;
      }
      .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }