/* roulang page: index */
:root {
      --c-dark-bg: #0B0F19;
      --c-dark-surface: #0F172A;
      --c-brand-green: #10B981;
      --c-brand-green-hover: #059669;
      --c-accent-orange: #F97316;
      --c-text-main: #0F172A;
      --c-text-muted: #64748B;
      --c-text-light: #F8FAFC;
      --c-text-sub: #94A3B8;
      --c-bg-light: #F8FAFC;
      --c-bg-alt: #F1F5F9;
      --c-border: rgba(226, 232, 240, 0.85);
      --c-border-dark: rgba(255, 255, 255, 0.1);
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
      --shadow-glow: 0 0 25px rgba(16, 185, 129, 0.25);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --container-max: 1240px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

    body {
      font-family: system-ui, -apple-system, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--c-text-main);
      background-color: #FFFFFF;
      line-height: 1.7;
      font-size: 16px;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }

    .top-info-bar {
      background: var(--c-dark-surface);
      color: var(--c-text-sub);
      font-size: 13px;
      height: 38px;
      line-height: 38px;
      border-bottom: 1px solid var(--c-border-dark);
    }
    .top-info-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-info-links span {
      margin-left: 20px;
    }
    .top-info-links a:hover {
      color: var(--c-brand-green);
    }

    .main-header {
      position: sticky;
      top: 0;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      z-index: 100;
      border-bottom: 1px solid var(--c-border);
      transition: all 0.3s;
    }
    .main-header .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      font-size: 20px;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--c-dark-surface);
    }
    .brand-logo-badge {
      width: 32px;
      height: 32px;
      background: var(--c-brand-green);
      color: #FFF;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      margin-right: 10px;
      font-weight: 900;
    }
    .main-nav {
      display: flex;
      gap: 32px;
      align-items: center;
    }
    .main-nav a {
      font-weight: 500;
      color: var(--c-text-main);
      font-size: 15px;
    }
    .main-nav a:hover, .main-nav a.active {
      color: var(--c-brand-green);
    }
    .btn-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--c-brand-green);
      color: #FFF;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 14px;
      border: 1px solid transparent;
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(16, 185, 129, 0.28);
    }
    .btn-cta:hover {
      background: var(--c-brand-green-hover);
      box-shadow: var(--shadow-glow);
      transform: translateY(-2px);
    }
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.08);
      color: #FFF;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 14px;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.15);
      border-color: rgba(255, 255, 255, 0.4);
    }

    section {
      padding: 96px 0;
      position: relative;
    }
    .sec-light {
      background: #FFFFFF;
    }
    .sec-gray {
      background: var(--c-bg-light);
      border-top: 1px solid var(--c-border);
      border-bottom: 1px solid var(--c-border);
    }
    .sec-dark {
      background: var(--c-dark-bg);
      color: var(--c-text-light);
    }
    .sec-graphite {
      background: var(--c-dark-surface);
      color: var(--c-text-light);
    }

    .sec-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 56px;
    }
    .sec-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--c-brand-green);
      background: rgba(16, 185, 129, 0.1);
      padding: 4px 12px;
      border-radius: 99px;
      margin-bottom: 14px;
    }
    .sec-tag.tag-orange {
      color: var(--c-accent-orange);
      background: rgba(249, 115, 22, 0.12);
    }
    .sec-title {
      font-size: 34px;
      line-height: 1.3;
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 16px;
    }
    .sec-desc {
      font-size: 16px;
      color: var(--c-text-muted);
      line-height: 1.7;
    }
    .sec-dark .sec-desc, .sec-graphite .sec-desc {
      color: var(--c-text-sub);
    }

    /* 1. Hero */
    .hero-section {
      background: linear-gradient(135deg, rgba(11, 15, 25, 0.94) 0%, rgba(15, 23, 42, 0.96) 100%), url('/assets/images/181eaab367318625.png') center/cover no-repeat;
      color: #FFF;
      padding: 110px 0 100px;
      position: relative;
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 56px;
      align-items: center;
    }
    .hero-badge-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 24px;
    }
    .hero-alert {
      background: rgba(249, 115, 22, 0.2);
      border: 1px solid var(--c-accent-orange);
      color: #FFEDD5;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 4px;
      text-transform: uppercase;
    }
    .hero-title {
      font-size: 46px;
      font-weight: 850;
      line-height: 1.22;
      letter-spacing: -0.025em;
      margin-bottom: 22px;
    }
    .hero-title span {
      color: var(--c-brand-green);
    }
    .hero-desc {
      font-size: 17px;
      line-height: 1.75;
      color: #CBD5E1;
      margin-bottom: 36px;
      max-width: 640px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      align-items: center;
      flex-wrap: wrap;
    }
    .hero-card-preview {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 24px;
      backdrop-filter: blur(10px);
      box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    }
    .hero-card-img {
      border-radius: var(--radius-sm);
      overflow: hidden;
      margin-bottom: 18px;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .hero-data-pills {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }
    .hero-pill {
      background: rgba(255, 255, 255, 0.05);
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--c-brand-green);
    }
    .hero-pill-num {
      font-size: 20px;
      font-weight: 800;
      color: #FFF;
      line-height: 1;
      margin-bottom: 4px;
    }
    .hero-pill-lbl {
      font-size: 12px;
      color: var(--c-text-sub);
    }

    /* 2. 问题陈述 */
    .problem-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .problem-card {
      background: #FFF;
      border: 1px solid var(--c-border);
      padding: 36px 30px;
      border-radius: var(--radius-md);
      position: relative;
      transition: all 0.25s;
    }
    .problem-card:hover {
      border-color: var(--c-brand-green);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .problem-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 30px;
      right: 30px;
      height: 3px;
      background: #E2E8F0;
    }
    .problem-card:hover::before {
      background: var(--c-brand-green);
    }
    .problem-index {
      font-size: 13px;
      font-weight: 800;
      color: var(--c-accent-orange);
      margin-bottom: 12px;
    }
    .problem-h3 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--c-dark-surface);
    }
    .problem-p {
      font-size: 14px;
      color: var(--c-text-muted);
      line-height: 1.68;
    }

    /* 3. 核心卖点三连 */
    .triple-showcase {
      display: flex;
      flex-direction: column;
      gap: 48px;
    }
    .showcase-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .showcase-row.reverse {
      direction: rtl;
    }
    .showcase-row.reverse .showcase-text {
      direction: ltr;
    }
    .showcase-img-box {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--c-border);
    }
    .showcase-text h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }
    .showcase-text p {
      font-size: 15px;
      color: var(--c-text-muted);
      margin-bottom: 20px;
      line-height: 1.7;
    }
    .feature-points {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .feature-points li {
      font-size: 14px;
      color: var(--c-text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .feature-points li::before {
      content: "✓";
      color: var(--c-brand-green);
      font-weight: 900;
    }

    /* 4. 智能硬件与生态 */
    .hw-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .hw-card {
      background: #FFF;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: all 0.25s;
    }
    .hw-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
      border-color: var(--c-brand-green);
    }
    .hw-media {
      height: 220px;
      position: relative;
      background: #E2E8F0;
    }
    .hw-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .hw-tag {
      position: absolute;
      top: 14px;
      right: 14px;
      background: rgba(15, 23, 42, 0.85);
      color: #FFF;
      font-size: 11px;
      padding: 4px 10px;
      border-radius: 4px;
      backdrop-filter: blur(4px);
    }
    .hw-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .hw-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .hw-desc {
      font-size: 14px;
      color: var(--c-text-muted);
      margin-bottom: 18px;
      line-height: 1.65;
    }
    .hw-specs {
      background: var(--c-bg-light);
      border: 1px solid var(--c-border);
      border-radius: var(--radius-sm);
      padding: 12px;
      margin-top: auto;
      font-size: 12px;
      color: var(--c-text-muted);
      display: flex;
      justify-content: space-between;
    }

    /* 5. 全场景操作演示 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .flow-step-item {
      background: #FFF;
      padding: 28px 22px;
      border-radius: var(--radius-md);
      border: 1px solid var(--c-border);
      position: relative;
    }
    .step-badge {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: rgba(16, 185, 129, 0.12);
      color: var(--c-brand-green);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      font-size: 14px;
    }
    .step-h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .step-p {
      font-size: 13px;
      color: var(--c-text-muted);
      line-height: 1.65;
    }

    /* 6. 标杆深色案例区 */
    .case-banner {
      background: linear-gradient(180deg, #0B0F19 0%, #0F172A 100%);
      border: 1px solid var(--c-border-dark);
      border-radius: var(--radius-lg);
      padding: 48px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .case-screen-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid rgba(16, 185, 129, 0.3);
      box-shadow: 0 20px 40px rgba(0,0,0,0.6);
    }
    .case-info h3 {
      font-size: 28px;
      font-weight: 800;
      color: #FFF;
      margin-bottom: 18px;
      letter-spacing: -0.02em;
    }
    .case-info p {
      color: #94A3B8;
      font-size: 15px;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .case-stat-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
    }
    .stat-box-val {
      font-size: 26px;
      font-weight: 850;
      color: var(--c-brand-green);
      margin-bottom: 4px;
    }
    .stat-box-lbl {
      font-size: 12px;
      color: #64748B;
    }

    /* 7. 量化数据仪表条 */
    .metrics-bar-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .metric-card {
      background: #FFF;
      border: 1px solid var(--c-border);
      padding: 32px 24px;
      border-radius: var(--radius-md);
      text-align: center;
    }
    .metric-number {
      font-size: 40px;
      font-weight: 900;
      letter-spacing: -0.03em;
      color: var(--c-dark-surface);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .metric-number span {
      color: var(--c-brand-green);
      font-size: 26px;
    }
    .metric-label {
      font-size: 14px;
      color: var(--c-text-muted);
      font-weight: 500;
    }

    /* 8. 解决方案矩阵 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .matrix-card {
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 32px 26px;
      background: #FFF;
      transition: all 0.25s;
    }
    .matrix-card:hover {
      border-color: var(--c-brand-green);
      box-shadow: var(--shadow-md);
    }
    .matrix-icon-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 800;
      color: var(--c-dark-surface);
      background: var(--c-bg-alt);
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 16px;
    }
    .matrix-card h3 {
      font-size: 19px;
      font-weight: 750;
      margin-bottom: 12px;
    }
    .matrix-card p {
      font-size: 14px;
      color: var(--c-text-muted);
      line-height: 1.68;
    }

    /* 9. 社会认同与实战反馈 */
    .testi-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testi-card {
      background: #FFF;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-content {
      font-size: 14px;
      color: var(--c-text-main);
      line-height: 1.7;
      margin-bottom: 24px;
      position: relative;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--c-bg-alt);
      padding-top: 16px;
    }
    .testi-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--c-bg-alt);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: var(--c-dark-surface);
    }
    .testi-meta-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--c-dark-surface);
    }
    .testi-meta-role {
      font-size: 12px;
      color: var(--c-text-muted);
    }

    /* 10. 资讯与政策证据 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      background: #FFF;
      display: flex;
      flex-direction: column;
    }
    .news-card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-date {
      font-size: 12px;
      color: var(--c-accent-orange);
      font-weight: 700;
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 17px;
      font-weight: 750;
      line-height: 1.45;
      margin-bottom: 12px;
    }
    .news-summary {
      font-size: 13px;
      color: var(--c-text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
    }
    .news-link {
      margin-top: auto;
      font-size: 13px;
      font-weight: 700;
      color: var(--c-brand-green);
    }

    /* 11. FAQ 手风琴 */
    .faq-layout {
      display: grid;
      grid-template-columns: 0.8fr 1.2fr;
      gap: 48px;
      align-items: start;
    }
    .faq-side h3 {
      font-size: 28px;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .faq-side p {
      color: var(--c-text-muted);
      font-size: 15px;
      margin-bottom: 24px;
      line-height: 1.7;
    }
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      background: #FFF;
    }
    .faq-q {
      padding: 20px 24px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 700;
      font-size: 16px;
      background: #FFF;
      user-select: none;
    }
    .faq-q:hover {
      color: var(--c-brand-green);
    }
    .faq-icon {
      font-weight: 400;
      font-size: 20px;
      transition: transform 0.2s;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
}
    .faq-a {
      padding: 0 24px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      font-size: 14px;
      color: var(--c-text-muted);
      line-height: 1.7;
      background: var(--c-bg-light);
    }
    .faq-item.active .faq-a {
      padding: 16px 24px 22px;
      max-height: 260px;
    }

    /* 12. 实施保障与收口行动区 */
    .cta-box {
      background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #FFF;
      box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .cta-box-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }
    .guarantee-badges {
      display: flex;
      gap: 18px;
      margin-top: 28px;
      flex-wrap: wrap;
    }
    .g-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.06);
      padding: 8px 16px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      color: #CBD5E1;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .form-card {
      background: #FFF;
      border-radius: var(--radius-md);
      padding: 32px;
      color: var(--c-text-main);
    }
    .form-card h4 {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 6px;
      color: var(--c-dark-surface);
    }
    .form-card p {
      font-size: 13px;
      color: var(--c-text-muted);
      margin-bottom: 20px;
    }
    .form-group {
      margin-bottom: 14px;
    }
    .form-control {
      width: 100%;
      padding: 11px 14px;
      font-size: 14px;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-sm);
      outline: none;
      transition: border-color 0.2s;
      font-family: inherit;
    }
    .form-control:focus {
      border-color: var(--c-brand-green);
    }
    .btn-submit {
      width: 100%;
      padding: 13px;
      background: var(--c-brand-green);
      color: #FFF;
      border: none;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      transition: background 0.2s;
    }
    .btn-submit:hover {
      background: var(--c-brand-green-hover);
    }

    /* 底部固定条 */
    .fixed-action-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(15, 23, 42, 0.95);
      backdrop-filter: blur(8px);
      padding: 12px 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      z-index: 99;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .fixed-action-bar .lead-text {
      color: #FFF;
      font-size: 14px;
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .fixed-action-bar .lead-tag {
      background: var(--c-brand-green);
      font-size: 11px;
      padding: 2px 8px;
      border-radius: 3px;
      color: #FFF;
    }

    /* 页脚 */
    .site-footer {
      background: #080C14;
      color: #94A3B8;
      padding: 80px 0 100px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 1fr 0.8fr;
      gap: 48px;
      margin-bottom: 56px;
    }
    .footer-brand-title {
      font-size: 18px;
      font-weight: 800;
      color: #FFF;
      margin-bottom: 14px;
    }
    .footer-brand-desc {
      line-height: 1.7;
      margin-bottom: 20px;
      font-size: 13px;
    }
    .footer-h5 {
      font-size: 15px;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: var(--c-brand-green);
    }
    .footer-contact-item {
      margin-bottom: 10px;
      line-height: 1.6;
      font-size: 13px;
    }
    .footer-contact-item strong {
      color: #E2E8F0;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 32px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: #64748B;
    }

    @media (max-width: 1024px) {
      .hero-grid, .cta-box-grid, .faq-layout {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .problem-grid, .hw-grid, .matrix-grid, .testi-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-bar-wrap {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .case-banner {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-info-bar {
        display: none;
      }
      .main-nav {
        display: none;
      }
      .hero-title {
        font-size: 32px;
      }
      .sec-title {
        font-size: 26px;
      }
      section {
        padding: 60px 0;
      }
      .showcase-row, .showcase-row.reverse {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .problem-grid, .hw-grid, .matrix-grid, .testi-grid, .news-grid, .metrics-bar-wrap, .flow-steps {
        grid-template-columns: 1fr;
      }
      .case-banner {
        padding: 24px;
      }
      .cta-box {
        padding: 32px 20px;
      }
      .fixed-action-bar .lead-text {
        display: none;
      }
      .fixed-action-bar {
        justify-content: center;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }