/* roulang page: index */
:root {
      --primary: #4A3AFF;
      --primary-mid: #6132F5;
      --primary-deep: #2A1775;
      --secondary: #00D084;
      --secondary-glow: rgba(0, 208, 132, 0.25);
      --gradient-brand: linear-gradient(135deg, #4A3AFF 0%, #6132F5 50%, #903AFF 100%);
      --gradient-surface: linear-gradient(180deg, #F9FAFF 0%, #F0F3FC 100%);
      --bg-light: #F4F6FB;
      --bg-white: #FFFFFF;
      --text-main: #0E121B;
      --text-muted: #4A5568;
      --text-sub: #8C96A6;
      --border-color: rgba(74, 58, 255, 0.12);
      --card-radius: 20px;
      --shadow-base: 0 10px 30px -5px rgba(74, 58, 255, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
      --shadow-hover: 0 20px 40px -8px rgba(74, 58, 255, 0.16), 0 8px 16px -4px rgba(0, 0, 0, 0.04);
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

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

    body {
      font-family: var(--font-stack);
      color: var(--text-main);
      background-color: var(--bg-white);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

    ul, ol {
      list-style: none;
    }

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

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

    /* 顶部双行导航 */
    .top-utility-bar {
      background: #0E121B;
      color: #A0AEC0;
      font-size: 0.8125rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      position: relative;
      z-index: 100;
    }
    .top-utility-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 8px 24px;
      max-width: 1200px;
      margin: 0 auto;
    }
    .gas-tracker {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      background: var(--secondary);
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 8px var(--secondary);
    }
    .header-info-links {
      display: flex;
      gap: 20px;
    }

    header.main-header {
      position: sticky;
      top: 0;
      z-index: 99;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-color);
      transition: all 0.3s ease;
    }
    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 76px;
    }
    .brand-logo {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
      letter-spacing: -0.5px;
    }
    .logo-badge {
      width: 34px;
      height: 34px;
      background: var(--gradient-brand);
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.1rem;
      font-weight: 900;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .nav-links a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
    }
    .nav-links a:hover {
      color: var(--primary);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 24px;
      border-radius: 12px;
      font-size: 0.95rem;
      font-weight: 600;
      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(--gradient-brand);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(74, 58, 255, 0.3);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(74, 58, 255, 0.45);
      color: #FFFFFF;
    }
    .btn-secondary {
      background: #FFFFFF;
      color: var(--text-main);
      border-color: rgba(74, 58, 255, 0.2);
    }
    .btn-secondary:hover {
      background: var(--bg-light);
      border-color: var(--primary);
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 通用板块与排版 */
    section {
      padding: 96px 0;
      position: relative;
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 56px;
    }
    .section-tag {
      display: inline-block;
      padding: 6px 14px;
      font-size: 0.825rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      border-radius: 50px;
      background: rgba(74, 58, 255, 0.08);
      color: var(--primary);
      margin-bottom: 16px;
      border: 1px solid rgba(74, 58, 255, 0.15);
    }
    .section-title {
      font-size: 2.35rem;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }
    .section-lead {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块 01: Hero */
    .hero-section {
      padding: 80px 0 100px;
      background: radial-gradient(100% 80% at 50% 0%, rgba(74, 58, 255, 0.07) 0%, rgba(255, 255, 255, 0) 100%), var(--bg-white);
      position: relative;
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
    }
    .hero-h1 {
      font-size: 3.1rem;
      font-weight: 900;
      line-height: 1.18;
      letter-spacing: -1px;
      margin-bottom: 22px;
      color: var(--text-main);
    }
    .hero-h1 span {
      background: var(--gradient-brand);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-intro {
      font-size: 1.125rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 32px;
    }
    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }
    .trust-strip {
      display: flex;
      flex-wrap: wrap;
      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;
      font-weight: 600;
      color: var(--text-muted);
    }
    .trust-item svg {
      width: 18px;
      height: 18px;
      fill: var(--secondary);
    }
    .hero-visual {
      position: relative;
    }
    .hero-card-display {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      box-shadow: 0 25px 50px -12px rgba(74, 58, 255, 0.2);
      border: 1px solid var(--border-color);
      overflow: hidden;
    }
    .hero-card-display img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .hero-floating-stat {
      position: absolute;
      bottom: -20px;
      left: -20px;
      background: #FFFFFF;
      padding: 16px 22px;
      border-radius: 14px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-hover);
      display: flex;
      gap: 14px;
      align-items: center;
    }
    .stat-circle {
      width: 44px;
      height: 44px;
      background: rgba(0, 208, 132, 0.12);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--secondary);
      font-weight: 800;
    }

    /* 板块 02: 架构解析 */
    .arch-section {
      background: var(--bg-light);
    }
    .arch-container {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 60px;
      align-items: center;
    }
    .arch-media {
      position: relative;
    }
    .arch-media img {
      border-radius: var(--card-radius);
      box-shadow: var(--shadow-base);
      border: 1px solid rgba(0, 0, 0, 0.05);
      width: 100%;
    }
    .spec-item {
      background: #FFFFFF;
      padding: 18px 24px;
      border-radius: 14px;
      margin-bottom: 14px;
      border-left: 4px solid var(--primary);
      box-shadow: 0 4px 10px rgba(0,0,0,0.03);
    }
    .spec-title {
      font-weight: 700;
      color: var(--text-main);
      font-size: 1.05rem;
      margin-bottom: 4px;
    }
    .spec-desc {
      font-size: 0.925rem;
      color: var(--text-muted);
    }

    /* 板块 03: 核心优势网格 */
    .grid-2x3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .adv-card {
      background: #FFFFFF;
      padding: 36px 30px;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-base);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .adv-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(74, 58, 255, 0.35);
    }
    .adv-icon {
      width: 52px;
      height: 52px;
      background: var(--gradient-brand);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFFFFF;
      font-size: 1.4rem;
      margin-bottom: 22px;
    }
    .adv-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .adv-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
    }
    .adv-badge {
      align-self: flex-start;
      font-size: 0.8rem;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 6px;
      background: rgba(74, 58, 255, 0.08);
      color: var(--primary);
    }

    /* 板块 04: 热门商业方案 */
    .solutions-section {
      background: var(--bg-light);
    }
    .solution-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      align-items: stretch;
    }
    .sol-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      padding: 40px 32px;
      box-shadow: var(--shadow-base);
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.3s ease;
    }
    .sol-card.featured {
      border: 2px solid var(--primary);
      transform: translateY(-8px);
      box-shadow: 0 25px 45px -10px rgba(74, 58, 255, 0.22);
    }
    .featured-label {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--gradient-brand);
      color: #FFFFFF;
      font-size: 0.8rem;
      font-weight: 700;
      padding: 4px 16px;
      border-radius: 20px;
      letter-spacing: 0.5px;
    }
    .sol-card-header {
      margin-bottom: 24px;
    }
    .sol-name {
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .sol-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .sol-specs-list {
      margin: 24px 0;
      padding: 18px 0;
      border-top: 1px solid #EDF2F7;
      border-bottom: 1px solid #EDF2F7;
    }
    .sol-specs-list li {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .sol-specs-list li::before {
      content: "✓";
      color: var(--secondary);
      font-weight: 800;
    }

    /* 板块 05: 深色对比区 */
    .dark-breakout {
      background: #090C15;
      color: #F4F6FB;
      position: relative;
      overflow: hidden;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .dark-breakout::before {
      content: "";
      position: absolute;
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(74, 58, 255, 0.18) 0%, transparent 70%);
      top: -150px;
      right: -100px;
      pointer-events: none;
    }
    .dark-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }
    .code-window {
      background: #0F1422;
      border-radius: 16px;
      border: 1px solid rgba(255, 255, 255, 0.12);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
      overflow: hidden;
    }
    .code-titlebar {
      display: flex;
      align-items: center;
      padding: 12px 18px;
      background: #141B2D;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .traffic-dots {
      display: flex;
      gap: 8px;
    }
    .traffic-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }
    .dot-red { background: #FF5F56; }
    .dot-yellow { background: #FFBD2E; }
    .dot-green { background: #27C93F; }
    .code-body {
      padding: 24px;
      font-family: "Courier New", Courier, monospace;
      font-size: 0.9rem;
      line-height: 1.6;
      color: #D1D5DB;
      overflow-x: auto;
    }
    .code-comment { color: #6B7280; }
    .code-keyword { color: #F472B6; }
    .code-fn { color: #60A5FA; }
    .code-num { color: #34D399; }

    /* 板块 06: 应用场景矩阵 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .scenario-card {
      background: #FFFFFF;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-base);
      transition: all 0.3s ease;
    }
    .scenario-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .sc-img-wrap {
      height: 180px;
      overflow: hidden;
    }
    .sc-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .scenario-card:hover .sc-img-wrap img {
      transform: scale(1.05);
    }
    .sc-body {
      padding: 24px 20px;
    }
    .sc-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .sc-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 07: 交互演示视窗 */
    .demo-section {
      background: var(--bg-light);
    }
    .demo-mockup {
      background: #FFFFFF;
      border-radius: 18px;
      border: 1px solid var(--border-color);
      box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      max-width: 1000px;
      margin: 0 auto;
    }
    .mockup-header {
      background: #EDF2F7;
      padding: 14px 20px;
      display: flex;
      align-items: center;
      gap: 16px;
      border-bottom: 1px solid #E2E8F0;
    }
    .mockup-url-bar {
      background: #FFFFFF;
      padding: 6px 16px;
      border-radius: 20px;
      font-size: 0.825rem;
      color: #718096;
      flex: 1;
      border: 1px solid #CBD5E0;
    }
    .mockup-content {
      padding: 36px 40px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
    }
    .mockup-detail h4 {
      font-size: 1.3rem;
      margin-bottom: 12px;
      font-weight: 800;
    }
    .mockup-detail p {
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.65;
      margin-bottom: 20px;
    }

    /* 板块 08: 关键效能数据 */
    .metrics-section {
      background: var(--gradient-brand);
      color: #FFFFFF;
      padding: 70px 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .metric-value {
      font-size: 3.2rem;
      font-weight: 900;
      line-height: 1;
      margin-bottom: 10px;
      letter-spacing: -1px;
    }
    .metric-label {
      font-size: 1.05rem;
      font-weight: 600;
      opacity: 0.9;
      margin-bottom: 4px;
    }
    .metric-sub {
      font-size: 0.825rem;
      opacity: 0.75;
    }

    /* 板块 09: 标杆应用客户 */
    .cases-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }
    .case-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      padding: 36px;
      box-shadow: var(--shadow-base);
    }
    .case-client {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: var(--primary);
    }
    .case-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 22px;
    }
    .case-stats {
      display: flex;
      gap: 24px;
      padding-top: 18px;
      border-top: 1px dashed var(--border-color);
    }
    .case-stat-block span {
      display: block;
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--text-main);
    }
    .case-stat-block small {
      font-size: 0.8rem;
      color: var(--text-sub);
    }

    /* 板块 10: 行业口碑信誉 */
    .reviews-section {
      background: var(--bg-light);
    }
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .review-card {
      background: #FFFFFF;
      padding: 32px 28px;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-base);
    }
    .review-stars {
      color: #FFB800;
      font-size: 1.1rem;
      margin-bottom: 16px;
    }
    .review-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .reviewer-meta {
      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-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .reviewer-role {
      font-size: 0.8rem;
      color: var(--text-sub);
    }

    /* 板块 11: 前沿技术动态 */
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .insight-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-base);
      display: flex;
      flex-direction: column;
    }
    .insight-body {
      padding: 28px 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .insight-date {
      font-size: 0.8rem;
      color: var(--text-sub);
      margin-bottom: 10px;
    }
    .insight-title {
      font-size: 1.15rem;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .insight-excerpt {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex: 1;
      margin-bottom: 18px;
    }
    .insight-link {
      color: var(--primary);
      font-size: 0.9rem;
      font-weight: 600;
      align-self: flex-start;
    }

    /* 板块 12: 技术答疑手风琴 */
    .faq-section {
      background: var(--bg-light);
    }
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #FFFFFF;
      border-radius: 14px;
      border: 1px solid var(--border-color);
      margin-bottom: 16px;
      overflow: hidden;
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-indicator {
      font-size: 1.3rem;
      color: var(--primary);
      transition: transform 0.3s ease;
    }
    .faq-answer {
      padding: 0 24px 22px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 收口行动召唤区 */
    .cta-banner-section {
      padding: 60px 0 100px;
    }
    .cta-banner {
      background: var(--gradient-brand);
      border-radius: 28px;
      padding: 64px 48px;
      text-align: center;
      color: #FFFFFF;
      box-shadow: 0 25px 60px -10px rgba(74, 58, 255, 0.4);
    }
    .cta-title {
      font-size: 2.2rem;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .cta-sub {
      font-size: 1.05rem;
      opacity: 0.9;
      max-width: 680px;
      margin: 0 auto 36px;
    }
    .cta-form {
      display: flex;
      max-width: 500px;
      margin: 0 auto;
      gap: 12px;
    }
    .cta-input {
      flex: 1;
      padding: 14px 20px;
      border-radius: 12px;
      border: none;
      font-size: 1rem;
      outline: none;
    }
    .cta-btn {
      background: var(--text-main);
      color: #FFFFFF;
      border: none;
      padding: 14px 28px;
      border-radius: 12px;
      font-size: 1rem;
      font-weight: 700;
      cursor: pointer;
      transition: background 0.2s ease;
      white-space: nowrap;
    }
    .cta-btn:hover {
      background: #000000;
    }

    /* 统一页脚 */
    footer.site-footer {
      background: #0B0E17;
      color: #8C96A6;
      padding: 80px 0 40px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 60px;
    }
    .footer-col h5 {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 22px;
    }
    .footer-links li {
      margin-bottom: 12px;
    }
    .footer-links a:hover {
      color: #FFFFFF;
    }
    .footer-bottom {
      padding-top: 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid, .arch-container, .dark-grid, .mockup-content {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .grid-2x3, .solution-cards, .reviews-grid, .insights-grid {
        grid-template-columns: 1fr 1fr;
      }
      .scenario-grid {
        grid-template-columns: 1fr 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .hero-card-display img {
        height: 300px;
      }
    }

    @media (max-width: 768px) {
      .top-utility-bar {
        display: none;
      }
      .nav-links, .nav-actions {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .hero-h1 {
        font-size: 2.2rem;
      }
      .section-title {
        font-size: 1.85rem;
      }
      .grid-2x3, .solution-cards, .reviews-grid, .insights-grid, .cases-grid, .metrics-grid, .scenario-grid {
        grid-template-columns: 1fr;
      }
      .cta-form {
        flex-direction: column;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .sol-card.featured {
        transform: none;
      }
    }