/* roulang page: index */
:root {
      --bg-base: #F8FAFC;
      --bg-surface: #FFFFFF;
      --bg-alt: #F1F5F9;
      --bg-dark: #0A192F;
      --bg-dark-card: #112240;
      --primary: #0052CC;
      --primary-hover: #0747A6;
      --primary-subtle: #EBF3FF;
      --secondary: #059669;
      --secondary-light: #ECFDF5;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --text-inverse: #F8FAFC;
      --border-color: #E2E8F0;
      --border-dark: #233554;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 14px;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
      --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
      --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.1);
      --max-w: 1200px;
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

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

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-body);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    button, input, select, textarea {
      font: inherit;
    }

    .container {
      width: 100%;
      max-width: var(--max-w);
      margin: 0 auto;
      padding: 0 1.25rem;
    }

    /* Top Bar */
    .top-bar {
      background: var(--bg-dark);
      color: #94A3B8;
      font-size: 0.8125rem;
      border-bottom: 1px solid var(--border-dark);
      padding: 0.45rem 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 0.5rem;
    }
    .top-bar-tags {
      display: flex;
      align-items: center;
      gap: 1rem;
    }
    .top-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      color: #38BDF8;
    }
    .top-badge::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--secondary);
    }
    .top-contacts {
      display: flex;
      align-items: center;
      gap: 1.25rem;
    }

    /* Header & Nav */
    header.site-header {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(8px);
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .site-brand {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-weight: 700;
      font-size: 1.35rem;
      color: var(--text-main);
      letter-spacing: -0.02em;
    }
    .brand-mark {
      width: 36px;
      height: 36px;
      background: var(--primary);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFF;
      font-size: 1rem;
      font-weight: 800;
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 1.75rem;
    }
    .nav-links a {
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--text-body);
      position: relative;
      padding: 0.25rem 0;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--primary);
    }
    .nav-links a.active::after {
      content: "";
      position: absolute;
      bottom: -6px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }
    .header-cta {
      display: flex;
      align-items: center;
      gap: 1rem;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0.625rem 1.35rem;
      border-radius: var(--radius-sm);
      font-size: 0.9375rem;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
      min-height: 44px;
    }
    .btn-primary {
      background: var(--primary);
      color: #FFF;
    }
    .btn-primary:hover {
      background: var(--primary-hover);
      box-shadow: 0 4px 12px rgba(0, 82, 204, 0.25);
      transform: translateY(-1px);
    }
    .btn-outline {
      border-color: var(--primary);
      color: var(--primary);
      background: transparent;
    }
    .btn-outline:hover {
      background: var(--primary-subtle);
    }
    .btn-secondary {
      background: var(--secondary);
      color: #FFF;
    }
    .btn-secondary:hover {
      background: #047857;
    }
    .btn-white {
      background: #FFF;
      color: var(--primary);
    }
    .btn-white:hover {
      background: #F8FAFC;
    }

    /* Section Base */
    section.section-block {
      padding: 5.5rem 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-alt);
    }
    .section-white {
      background-color: var(--bg-surface);
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: var(--text-inverse);
    }
    .section-header {
      margin-bottom: 3.5rem;
      text-align: center;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-header.text-left {
      text-align: left;
      margin-left: 0;
    }
    .badge-pill {
      display: inline-block;
      padding: 0.3rem 0.85rem;
      font-size: 0.8125rem;
      font-weight: 600;
      color: var(--primary);
      background: var(--primary-subtle);
      border-radius: 999px;
      margin-bottom: 0.85rem;
      letter-spacing: 0.02em;
    }
    .badge-pill.badge-emerald {
      color: var(--secondary);
      background: var(--secondary-light);
    }
    .section-title {
      font-size: 2.15rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.3;
      letter-spacing: -0.02em;
      margin-bottom: 1rem;
    }
    .section-dark .section-title {
      color: #FFF;
    }
    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.75;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* 1. Hero: API/Developer Blueprint (Code Block + High Intent) */
    .hero-section {
      background: linear-gradient(135deg, #0A192F 0%, #172A45 100%);
      color: #FFF;
      padding: 5rem 0 6rem;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-dark);
    }
    .hero-section::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: radial-gradient(circle at 80% 20%, rgba(0, 82, 204, 0.25) 0%, transparent 60%);
      pointer-events: none;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 3.5rem;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .hero-content h1 {
      font-size: 2.85rem;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.03em;
      margin-bottom: 1.25rem;
      color: #FFF;
    }
    .hero-content h1 span {
      background: linear-gradient(90deg, #38BDF8 0%, #34D399 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-intro {
      font-size: 1.075rem;
      color: #CBD5E1;
      margin-bottom: 2rem;
      line-height: 1.8;
      max-width: 620px;
    }
    .hero-actions {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      margin-bottom: 2.5rem;
    }
    .hero-metrics-pill {
      display: flex;
      gap: 1.5rem;
      padding-top: 1.5rem;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
    }
    .hero-metric-item h4 {
      font-size: 1.45rem;
      color: #38BDF8;
      font-weight: 700;
    }
    .hero-metric-item p {
      font-size: 0.825rem;
      color: #94A3B8;
    }

    /* API/Code Mock Window */
    .console-window {
      background: #060D1A;
      border: 1px solid #1E293B;
      border-radius: var(--radius-md);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
      overflow: hidden;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    }
    .console-header {
      background: #0D1B2E;
      padding: 0.75rem 1rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid #1E293B;
    }
    .console-dots {
      display: flex;
      gap: 0.4rem;
    }
    .console-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }
    .dot-red { background: #EF4444; }
    .dot-yellow { background: #F59E0B; }
    .dot-green { background: #10B981; }
    .console-title {
      font-size: 0.75rem;
      color: #94A3B8;
    }
    .console-body {
      padding: 1.25rem;
      font-size: 0.85rem;
      color: #E2E8F0;
      line-height: 1.6;
      max-height: 380px;
      overflow-x: auto;
    }
    .code-line { margin-bottom: 0.25rem; }
    .code-comment { color: #64748B; }
    .code-keyword { color: #F472B6; }
    .code-func { color: #38BDF8; }
    .code-str { color: #34D399; }
    .code-num { color: #FBBF24; }
    .console-footer-cta {
      padding: 0.75rem 1.25rem;
      background: #0B132B;
      border-top: 1px solid #1E293B;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    /* 2. Platform Section */
    .platform-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3.5rem;
      align-items: center;
    }
    .platform-media {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
    }
    .platform-media img {
      width: 100%;
      height: 420px;
      transition: var(--transition);
    }
    .platform-media:hover img {
      transform: scale(1.02);
    }
    .platform-stat-float {
      position: absolute;
      bottom: 1.5rem;
      left: 1.5rem;
      right: 1.5rem;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(8px);
      padding: 1.25rem;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      border-left: 4px solid var(--primary);
    }
    .platform-stat-float h5 {
      font-size: 0.95rem;
      color: var(--text-main);
      font-weight: 700;
      margin-bottom: 0.25rem;
    }
    .platform-stat-float p {
      font-size: 0.825rem;
      color: var(--text-muted);
    }
    .param-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.25rem;
      margin-top: 2rem;
    }
    .param-box {
      padding: 1rem;
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
    }
    .param-box strong {
      display: block;
      color: var(--primary);
      font-size: 1.15rem;
      margin-bottom: 0.25rem;
    }
    .param-box span {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 3. Strengths 6 Cards */
    .strengths-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .strength-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 2rem;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .strength-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: #BFDBFE;
    }
    .strength-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: var(--primary-subtle);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      margin-bottom: 1.25rem;
      font-size: 1.25rem;
    }
    .strength-card h3 {
      font-size: 1.2rem;
      color: var(--text-main);
      margin-bottom: 0.75rem;
    }
    .strength-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 4. Featured Pipelines */
    .pipeline-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }
    .pipeline-card {
      background: var(--bg-surface);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .pipeline-thumb {
      height: 200px;
      position: relative;
      overflow: hidden;
    }
    .pipeline-thumb img {
      width: 100%;
      height: 100%;
    }
    .pipeline-tag {
      position: absolute;
      top: 1rem;
      left: 1rem;
      background: rgba(15, 23, 42, 0.85);
      color: #FFF;
      font-size: 0.75rem;
      padding: 0.25rem 0.65rem;
      border-radius: 4px;
      backdrop-filter: blur(4px);
    }
    .pipeline-content {
      padding: 1.75rem;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .pipeline-content h3 {
      font-size: 1.2rem;
      color: var(--text-main);
      margin-bottom: 0.65rem;
    }
    .pipeline-content p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 1.5rem;
      flex-grow: 1;
    }
    .progress-wrap {
      margin-bottom: 1.25rem;
    }
    .progress-label {
      display: flex;
      justify-content: space-between;
      font-size: 0.8rem;
      color: var(--text-body);
      font-weight: 600;
      margin-bottom: 0.4rem;
    }
    .progress-bar-bg {
      height: 6px;
      background: var(--border-color);
      border-radius: 999px;
      overflow: hidden;
    }
    .progress-bar-val {
      height: 100%;
      background: var(--secondary);
      border-radius: 999px;
    }

    /* 5. Philosophy Dark Section */
    .philosophy-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3.5rem;
      align-items: center;
    }
    .dark-card {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      padding: 2.25rem;
      border-radius: var(--radius-md);
      margin-bottom: 1.5rem;
    }
    .dark-card h4 {
      font-size: 1.15rem;
      color: #38BDF8;
      margin-bottom: 0.75rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .dark-card p {
      font-size: 0.925rem;
      color: #CBD5E1;
      line-height: 1.7;
    }

    /* 6. Translational Case Timeline */
    .timeline-wrap {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
    }
    .timeline-wrap::before {
      content: "";
      position: absolute;
      top: 0;
      bottom: 0;
      left: 30px;
      width: 2px;
      background: var(--border-color);
    }
    .timeline-step {
      position: relative;
      padding-left: 80px;
      margin-bottom: 2.5rem;
    }
    .step-badge-circle {
      position: absolute;
      left: 14px;
      top: 0;
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: var(--primary);
      color: #FFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
      box-shadow: 0 0 0 4px var(--bg-surface);
    }
    .step-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 1.5rem 1.75rem;
      box-shadow: var(--shadow-sm);
    }
    .step-card h4 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 0.5rem;
    }
    .step-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
    }

    /* 7. Key Metrics Counter Bar */
    .metrics-bar-section {
      background: linear-gradient(90deg, #0052CC 0%, #0747A6 100%);
      color: #FFF;
      padding: 3.5rem 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2rem;
      text-align: center;
    }
    .metric-col h3 {
      font-size: 2.6rem;
      font-weight: 800;
      margin-bottom: 0.35rem;
      letter-spacing: -0.02em;
    }
    .metric-col p {
      font-size: 0.95rem;
      color: #BFDBFE;
    }

    /* 8. Endorsement / Social Proof */
    .proof-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .quote-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 2rem;
      position: relative;
    }
    .quote-text {
      font-size: 0.95rem;
      color: var(--text-body);
      font-style: italic;
      margin-bottom: 1.5rem;
      line-height: 1.7;
    }
    .quote-author {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }
    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--bg-alt);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .author-info h5 {
      font-size: 0.9rem;
      color: var(--text-main);
    }
    .author-info span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 9. News & Insights */
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }
    .insight-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .insight-img {
      height: 180px;
    }
    .insight-body {
      padding: 1.5rem;
    }
    .insight-date {
      font-size: 0.8rem;
      color: var(--secondary);
      font-weight: 600;
      margin-bottom: 0.5rem;
    }
    .insight-body h4 {
      font-size: 1.1rem;
      color: var(--text-main);
      margin-bottom: 0.65rem;
      line-height: 1.4;
    }
    .insight-body p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 10. FAQ Accordion */
    .faq-accordion-list {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 1rem;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: #BFDBFE;
    }
    .faq-question {
      padding: 1.25rem 1.5rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 600;
      font-size: 1.05rem;
      color: var(--text-main);
      user-select: none;
    }
    .faq-toggle-icon {
      font-size: 1.25rem;
      color: var(--primary);
      transition: transform 0.25s ease;
    }
    .faq-answer {
      padding: 0 1.5rem 1.25rem 1.5rem;
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.75;
      display: block;
    }
    .faq-item.closed .faq-answer {
      display: none;
    }
    .faq-item.closed .faq-toggle-icon {
      transform: rotate(45deg);
    }

    /* 11. Quality Guarantee Bar */
    .quality-bar {
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      background: var(--bg-surface);
      padding: 2.5rem 0;
    }
    .quality-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2rem;
    }
    .quality-item {
      display: flex;
      align-items: center;
      gap: 1rem;
    }
    .quality-icon-box {
      width: 44px;
      height: 44px;
      background: var(--secondary-light);
      color: var(--secondary);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
      flex-shrink: 0;
    }
    .quality-item h5 {
      font-size: 0.95rem;
      color: var(--text-main);
      margin-bottom: 0.2rem;
    }
    .quality-item p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 12. Strategic Consultation Form */
    .cta-card {
      background: linear-gradient(135deg, #0A192F 0%, #1E3A8A 100%);
      color: #FFF;
      border-radius: var(--radius-lg);
      padding: 3.5rem;
      box-shadow: var(--shadow-lg);
    }
    .cta-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3.5rem;
      align-items: center;
    }
    .cta-left h3 {
      font-size: 2.2rem;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 1.25rem;
    }
    .cta-left p {
      color: #CBD5E1;
      font-size: 1rem;
      margin-bottom: 2rem;
      line-height: 1.8;
    }
    .nda-pill {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: rgba(255, 255, 255, 0.1);
      padding: 0.5rem 1rem;
      border-radius: var(--radius-sm);
      font-size: 0.85rem;
      color: #38BDF8;
    }
    .form-box {
      background: var(--bg-surface);
      padding: 2rem;
      border-radius: var(--radius-md);
      color: var(--text-main);
    }
    .form-group {
      margin-bottom: 1.15rem;
    }
    .form-group label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 0.4rem;
      color: var(--text-main);
    }
    .form-control {
      width: 100%;
      padding: 0.65rem 0.85rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      outline: none;
      transition: var(--transition);
    }
    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.15);
    }
    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
    }

    /* Footer */
    footer.site-footer {
      background: var(--bg-dark);
      color: #94A3B8;
      padding: 4.5rem 0 2rem;
      font-size: 0.9rem;
      border-top: 1px solid var(--border-dark);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
      gap: 3rem;
      margin-bottom: 3.5rem;
    }
    .footer-brand h4 {
      color: #FFF;
      font-size: 1.3rem;
      margin-bottom: 1rem;
      font-weight: 700;
    }
    .footer-col h5 {
      color: #FFF;
      font-size: 1rem;
      margin-bottom: 1.25rem;
      font-weight: 600;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 0.65rem;
    }
    .footer-links a:hover {
      color: #38BDF8;
    }
    .footer-bottom {
      border-top: 1px solid var(--border-dark);
      padding-top: 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
      font-size: 0.825rem;
    }
    .footer-copy {
      color: #64748B;
    }

    /* Mobile Drawer */
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-grid, .platform-wrap, .philosophy-grid, .cta-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
      }
      .strengths-grid, .pipeline-grid, .proof-grid, .insights-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .quality-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      section.section-block {
        padding: 3.5rem 0;
      }
      .nav-links, .header-cta {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .strengths-grid, .pipeline-grid, .proof-grid, .insights-grid, .metrics-grid, .quality-grid, .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-content h1 {
        font-size: 2.1rem;
      }
      .param-list, .form-row {
        grid-template-columns: 1fr;
      }
      .cta-card {
        padding: 2rem 1.25rem;
      }
      .timeline-wrap::before {
        left: 15px;
      }
      .timeline-step {
        padding-left: 45px;
      }
      .step-badge-circle {
        left: 0;
      }
    }