/* roulang page: index */
:root {
      --primary: #00E599;
      --primary-dark: #00B377;
      --accent-blue: #3B82F6;
      --accent-purple: #8B5CF6;
      --bg-dark: #0B0F17;
      --bg-card: #121826;
      --bg-card-hover: #1A2234;
      --bg-elevated: #1E2638;
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --border-subtle: rgba(255, 255, 255, 0.08);
      --border-primary: rgba(0, 229, 153, 0.3);
      --radius-lg: 22px;
      --radius-pill: 9999px;
      --shadow-card: 0 12px 32px -4px rgba(0, 0, 0, 0.5);
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    html {
      scroll-behavior: smooth;
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    }

    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      line-height: 1.65;
      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: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部双行导航 */
    .top-bar {
      background: #06090e;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 13px;
      color: var(--text-muted);
      padding: 6px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .node-status {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--primary);
      animation: pulseAnim 2s infinite;
    }
    @keyframes pulseAnim {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }
    .top-links {
      display: flex;
      gap: 20px;
    }
    .top-links a:hover {
      color: var(--primary);
    }

    header.main-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(11, 15, 23, 0.85);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-subtle);
    }
    .header-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 700;
      letter-spacing: -0.5px;
    }
    .logo-symbol {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent-blue) 100%);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0B0F17;
      font-weight: 900;
      font-size: 20px;
    }
    .nav-links {
      display: flex;
      list-style: none;
      gap: 32px;
    }
    .nav-links a {
      font-size: 15px;
      font-weight: 500;
      color: #cbd5e1;
      position: relative;
      padding: 6px 0;
    }
    .nav-links a:hover {
      color: var(--primary);
    }
    .nav-cta {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: #05140d;
      font-weight: 700;
      font-size: 14px;
      padding: 10px 22px;
      border-radius: var(--radius-pill);
      box-shadow: 0 4px 14px rgba(0, 229, 153, 0.25);
    }
    .nav-cta:hover {
      box-shadow: 0 6px 20px rgba(0, 229, 153, 0.45);
      transform: translateY(-1px);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 24px;
      cursor: pointer;
    }

    /* 移动端抽屉 */
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background: rgba(11, 15, 23, 0.98);
      backdrop-filter: blur(20px);
      z-index: 999;
      flex-direction: column;
      padding: 30px 24px;
      overflow-y: auto;
    }
    .drawer-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 40px;
    }
    .drawer-close {
      background: none;
      border: none;
      color: #fff;
      font-size: 28px;
    }
    .drawer-links {
      display: flex;
      flex-direction: column;
      gap: 20px;
      list-style: none;
    }
    .drawer-links a {
      font-size: 18px;
      font-weight: 600;
      color: #e2e8f0;
    }

    /* 基础布局及间距 */
    section {
      padding: 100px 0;
      position: relative;
    }
    .section-darker {
      background: #06080D;
    }
    .section-subtle {
      background: #0E131E;
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 64px auto;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: rgba(0, 229, 153, 0.12);
      border: 1px solid var(--border-primary);
      border-radius: var(--radius-pill);
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 36px;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 18px;
      color: #F8FAFC;
    }
    .text-gradient {
      background: linear-gradient(135deg, #00E599 0%, #3B82F6 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .section-intro {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 圆角大卡片 */
    .quant-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .quant-card:hover {
      background: var(--bg-card-hover);
      border-color: rgba(0, 229, 153, 0.25);
      transform: translateY(-4px);
    }

    /* 按钮组 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 28px;
      border-radius: var(--radius-pill);
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      border: none;
      transition: var(--transition);
    }
    .btn-primary {
      background: linear-gradient(135deg, #00E599 0%, #00B377 100%);
      color: #05140d;
      box-shadow: 0 4px 18px rgba(0, 229, 153, 0.3);
    }
    .btn-primary:hover {
      box-shadow: 0 6px 24px rgba(0, 229, 153, 0.5);
      transform: translateY(-2px);
    }
    .btn-secondary {
      background: rgba(255, 255, 255, 0.06);
      color: #F8FAFC;
      border: 1px solid var(--border-subtle);
    }
    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: rgba(255, 255, 255, 0.2);
    }

    /* 板块一：首屏 Hero */
    .hero-section {
      padding: 120px 0 90px 0;
      position: relative;
      background: radial-gradient(circle at 80% 20%, rgba(0, 229, 153, 0.12) 0%, transparent 60%),
                  radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                  #0B0F17;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 46px;
      font-weight: 900;
      line-height: 1.22;
      letter-spacing: -1px;
      margin-bottom: 24px;
    }
    .hero-desc {
      font-size: 17px;
      color: #94A3B8;
      line-height: 1.8;
      margin-bottom: 34px;
    }
    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-badges-row {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      border-top: 1px solid var(--border-subtle);
      padding-top: 24px;
    }
    .hero-badge-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      color: #CBD5E1;
    }
    .hero-visual-card {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-subtle);
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    }
    .hero-visual-card img {
      width: 100%;
      height: 440px;
      object-fit: cover;
      display: block;
    }
    .hero-card-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(11, 15, 23, 0.95) 10%, rgba(11, 15, 23, 0.2) 60%);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
    }
    .hero-live-tag {
      background: rgba(0, 0, 0, 0.6);
      backdrop-filter: blur(10px);
      padding: 6px 12px;
      border-radius: var(--radius-pill);
      border: 1px solid rgba(0, 229, 153, 0.3);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      color: var(--primary);
      width: fit-content;
      margin-bottom: 12px;
    }

    /* 板块二：数据统计条 */
    .metrics-bar-section {
      padding: 40px 0;
      background: #0E131E;
      border-top: 1px solid var(--border-subtle);
      border-bottom: 1px solid var(--border-subtle);
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .metric-box {
      padding: 20px 24px;
      border-right: 1px solid var(--border-subtle);
    }
    .metric-box:last-child {
      border-right: none;
    }
    .metric-number {
      font-size: 38px;
      font-weight: 800;
      font-family: 'JetBrains Mono', Consolas, monospace;
      color: var(--primary);
      margin-bottom: 6px;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }
    .metric-unit {
      font-size: 18px;
      font-weight: 600;
      color: #94A3B8;
    }
    .metric-label {
      font-size: 14px;
      color: #94A3B8;
    }

    /* 板块三：架构解析 */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .arch-img-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-subtle);
      position: relative;
    }
    .arch-specs-list {
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .spec-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      background: var(--bg-card);
      padding: 16px 20px;
      border-radius: 14px;
      border: 1px solid var(--border-subtle);
    }
    .spec-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--primary);
      margin-top: 6px;
      flex-shrink: 0;
    }
    .spec-text strong {
      display: block;
      color: #fff;
      font-size: 15px;
      margin-bottom: 4px;
    }
    .spec-text p {
      font-size: 13.5px;
      color: var(--text-muted);
      margin: 0;
    }

    /* 板块四：六维优势 */
    .grid-3x2 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .advantage-card h3 {
      font-size: 20px;
      margin-bottom: 12px;
      color: #fff;
    }
    .advantage-card p {
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.65;
    }
    .card-badge {
      display: inline-block;
      font-size: 12px;
      color: var(--primary);
      background: rgba(0, 229, 153, 0.08);
      border: 1px solid rgba(0, 229, 153, 0.2);
      padding: 4px 10px;
      border-radius: var(--radius-pill);
      margin-bottom: 16px;
    }

    /* 板块五：三大热门矩阵 */
    .model-suite-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .suite-card {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .suite-img {
      height: 200px;
      width: 100%;
      object-fit: cover;
      border-radius: 16px;
      margin-bottom: 20px;
      border: 1px solid rgba(255, 255, 255, 0.05);
    }
    .suite-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 16px 0 20px 0;
    }
    .suite-tag {
      font-size: 12px;
      background: rgba(255, 255, 255, 0.05);
      padding: 4px 10px;
      border-radius: 6px;
      color: #cbd5e1;
    }

    /* 板块六：业务应用场景 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .scenario-card {
      padding: 28px;
      border-top: 3px solid var(--accent-blue);
    }
    .scenario-card:hover {
      border-top-color: var(--primary);
    }
    .scenario-card h3 {
      font-size: 18px;
      margin-bottom: 12px;
      color: #fff;
    }
    .scenario-card p {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* 板块七：算法交互截图与可视化演示 */
    .demo-simulator {
      background: #080D16;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(0, 229, 153, 0.2);
      padding: 28px;
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 229, 153, 0.08);
      max-width: 1100px;
      margin: 0 auto;
    }
    .simulator-topbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 18px;
      border-bottom: 1px solid var(--border-subtle);
      margin-bottom: 24px;
    }
    .mac-dots {
      display: flex;
      gap: 8px;
    }
    .mac-dot {
      width: 11px;
      height: 11px;
      border-radius: 50%;
    }
    .mac-dot.red { background: #FF5F56; }
    .mac-dot.yellow { background: #FFBD2E; }
    .mac-dot.green { background: #27C93F; }
    .sim-tabs {
      display: flex;
      gap: 12px;
    }
    .sim-tab-btn {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-subtle);
      color: #94a3b8;
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      font-size: 13px;
      cursor: pointer;
    }
    .sim-tab-btn.active {
      background: var(--primary);
      color: #0B0F17;
      font-weight: 700;
      border-color: var(--primary);
    }
    .sim-content-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: center;
    }
    .chart-box {
      background: rgba(18, 24, 38, 0.7);
      border-radius: 16px;
      padding: 24px;
      border: 1px solid var(--border-subtle);
    }
    .metric-row {
      display: flex;
      justify-content: space-between;
      padding: 10px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      font-size: 13.5px;
    }
    .metric-row:last-child {
      border-bottom: none;
    }

    /* 板块八：量化理念 */
    .philosophy-box {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
      padding: 60px 40px;
      background: radial-gradient(circle, rgba(0, 229, 153, 0.08) 0%, transparent 70%);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
    }
    .formula-badge {
      font-family: 'JetBrains Mono', Consolas, monospace;
      color: var(--primary);
      background: rgba(0, 0, 0, 0.5);
      border: 1px solid rgba(0, 229, 153, 0.2);
      display: inline-block;
      padding: 8px 20px;
      border-radius: 8px;
      margin-bottom: 24px;
      font-size: 14px;
    }

    /* 板块九：商业落地故事 */
    .case-stories-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }
    .story-card {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .story-head {
      margin-bottom: 20px;
    }
    .story-company {
      font-size: 13px;
      color: var(--accent-blue);
      text-transform: uppercase;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .story-stats {
      margin-top: 24px;
      padding-top: 20px;
      border-top: 1px solid var(--border-subtle);
      display: flex;
      gap: 30px;
    }
    .story-stat-val {
      font-size: 26px;
      font-weight: 800;
      color: var(--primary);
    }

    /* 板块十：定价矩阵 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      align-items: stretch;
    }
    .pricing-card {
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .pricing-card.featured {
      border-color: var(--primary);
      background: linear-gradient(180deg, #162032 0%, #121826 100%);
      box-shadow: 0 16px 40px rgba(0, 229, 153, 0.15);
    }
    .featured-ribbon {
      position: absolute;
      top: 16px;
      right: 16px;
      background: var(--primary);
      color: #06090e;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
    }
    .price-num {
      font-size: 40px;
      font-weight: 800;
      color: #fff;
      margin: 16px 0 24px 0;
    }
    .pricing-features {
      list-style: none;
      margin-bottom: 32px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .pricing-features li {
      font-size: 14px;
      color: #cbd5e1;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .pricing-features li::before {
      content: "✓";
      color: var(--primary);
      font-weight: bold;
    }

    /* 板块十一：评价墙 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }
    .reviewer-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--bg-elevated);
      border: 2px solid var(--border-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .reviewer-info h4 {
      font-size: 15px;
      color: #fff;
      margin-bottom: 2px;
    }
    .reviewer-info span {
      font-size: 12.5px;
      color: var(--text-muted);
    }
    .rating-stars {
      color: #FBBF24;
      font-size: 14px;
      margin-bottom: 12px;
      letter-spacing: 2px;
    }
    .review-body {
      font-size: 14px;
      color: #CBD5E1;
      line-height: 1.65;
    }

    /* 板块十二：前沿资讯 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card-img {
      height: 190px;
      width: 100%;
      object-fit: cover;
      border-radius: 14px;
      margin-bottom: 18px;
    }
    .news-date {
      font-size: 12px;
      color: var(--primary);
      margin-bottom: 8px;
      display: inline-block;
    }
    .news-title {
      font-size: 17px;
      font-weight: 700;
      color: #fff;
      line-height: 1.45;
      margin-bottom: 10px;
    }
    .news-summary {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块十三：FAQ 手风琴 */
    .faq-container {
      max-width: 820px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 16px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item.active {
      border-color: rgba(0, 229, 153, 0.35);
    }
    .faq-header {
      padding: 22px 26px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 700;
      font-size: 16px;
      color: #F8FAFC;
    }
    .faq-icon {
      font-size: 20px;
      color: var(--primary);
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-body {
      padding: 0 26px 22px 26px;
      font-size: 14.5px;
      color: #94A3B8;
      line-height: 1.7;
      display: none;
    }
    .faq-item.active .faq-body {
      display: block;
    }

    /* 板块十四：全宽开通转化 */
    .cta-banner-card {
      background: linear-gradient(135deg, rgba(0, 229, 153, 0.15) 0%, rgba(59, 130, 246, 0.18) 100%), #101624;
      border: 1px solid rgba(0, 229, 153, 0.3);
      border-radius: var(--radius-lg);
      padding: 70px 48px;
      text-align: center;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    }
    .cta-form {
      max-width: 640px;
      margin: 32px auto 0 auto;
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .cta-input {
      flex: 1 1 240px;
      padding: 16px 20px;
      background: rgba(11, 15, 23, 0.85);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-pill);
      color: #fff;
      font-size: 14px;
      outline: none;
    }
    .cta-input:focus {
      border-color: var(--primary);
    }
    .cta-select {
      flex: 1 1 180px;
      padding: 16px 20px;
      background: rgba(11, 15, 23, 0.85);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-pill);
      color: #cbd5e1;
      font-size: 14px;
      outline: none;
    }

    /* 页脚 */
    footer.site-footer {
      background: #05080E;
      border-top: 1px solid var(--border-subtle);
      padding: 80px 0 30px 0;
      color: #94A3B8;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 60px;
    }
    .footer-brand p {
      font-size: 14px;
      line-height: 1.7;
      margin: 18px 0;
      color: #64748B;
    }
    .footer-col h4 {
      font-size: 15px;
      color: #fff;
      margin-bottom: 20px;
      font-weight: 700;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 14px;
    }
    .footer-links a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: #475569;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid, .arch-grid, .sim-content-grid {
        grid-template-columns: 1fr;
      }
      .grid-3x2, .model-suite-grid, .pricing-grid, .reviews-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cases-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metric-box {
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      section {
        padding: 60px 0;
      }
      .nav-links, .nav-cta, .top-links {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .section-title {
        font-size: 28px;
      }
      .hero-content h1 {
        font-size: 32px;
      }
      .grid-3x2, .model-suite-grid, .pricing-grid, .reviews-grid, .news-grid, .case-stories-grid, .cases-grid, .metrics-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
      .cta-banner-card {
        padding: 40px 20px;
      }
    }