/* roulang page: index */
:root {
      --bg-base: #F4F6F9;
      --bg-card: #FFFFFF;
      --bg-dark: #0F172A;
      --bg-dark-card: #1E293B;
      --primary: #00D285;
      --primary-hover: #00B572;
      --text-main: #111827;
      --text-muted: #4B5563;
      --text-light: #9CA3AF;
      --accent-orange: #FF6B00;
      --border-color: #E2E8F0;
      --dark-border: #334155;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 10px 15px -5px rgba(0,0,0,0.03);
      --shadow-hover: 0 20px 25px -5px rgba(0,0,0,0.08);
      --font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --radius-pill: 9999px;
    }

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

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 104px;
      font-size: 16px;
    }

    body {
      font-family: var(--font-family);
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    ul, ol {
      list-style: none;
    }

    button, input, select {
      font-family: inherit;
      outline: none;
    }

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 32px;
    }

    /* Topbar & Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: #FFFFFF;
      box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    }

    .topbar {
      background: #0B1120;
      color: #94A3B8;
      font-size: 13px;
      padding: 6px 0;
      border-bottom: 1px solid #1E293B;
    }

    .topbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .topbar-right span {
      margin-left: 20px;
    }

    .navbar {
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
    }

    .brand-logo-badge {
      background: var(--primary);
      color: #0F172A;
      font-size: 11px;
      font-weight: 800;
      padding: 3px 6px;
      border-radius: var(--radius-sm);
      letter-spacing: 0.5px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
    }

    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      padding: 8px 0;
    }

    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }

    .nav-cta-btn {
      background: var(--primary);
      color: #0B1120;
      font-size: 14px;
      font-weight: 600;
      padding: 10px 20px;
      border-radius: var(--radius-pill);
      border: 1px solid var(--primary);
    }

    .nav-cta-btn:hover {
      background: var(--primary-hover);
      box-shadow: 0 4px 12px rgba(0, 210, 133, 0.25);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: 0.3s;
    }

    /* Section Global */
    .section {
      padding: 80px 0;
      position: relative;
    }

    .section-dark {
      background-color: var(--bg-dark);
      color: #FFFFFF;
    }

    .section-alt {
      background-color: #EBF0F6;
    }

    .section-header {
      margin-bottom: 48px;
    }

    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      background: rgba(0, 210, 133, 0.12);
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-tag-orange {
      color: var(--accent-orange);
      background: rgba(255, 107, 0, 0.12);
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 16px;
      color: inherit;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 820px;
      line-height: 1.7;
    }

    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-pill);
      cursor: pointer;
      transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
      border: 1px solid transparent;
      gap: 8px;
    }

    .btn-primary {
      background: var(--primary);
      color: #0F172A;
      border-color: var(--primary);
    }

    .btn-primary:hover {
      background: var(--primary-hover);
      box-shadow: 0 4px 14px rgba(0, 210, 133, 0.35);
      transform: translateY(-1px);
    }

    .btn-outline {
      background: transparent;
      color: #FFFFFF;
      border-color: #475569;
    }

    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(0, 210, 133, 0.05);
    }

    .btn-secondary {
      background: #FFFFFF;
      color: var(--text-main);
      border-color: var(--border-color);
    }

    .btn-secondary:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    /* 1. Hero Block */
    .hero-section {
      background: linear-gradient(135deg, #0B1120 0%, #1E293B 100%);
      color: #FFFFFF;
      position: relative;
      overflow: hidden;
      padding: 90px 0 100px;
    }

    .hero-bg-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: url('/assets/images/backpic/back-1.jpg');
      background-size: cover;
      background-position: center;
      opacity: 0.15;
      mix-blend-mode: overlay;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
      position: relative;
      z-index: 2;
    }

    .hero-content h1 {
      font-size: 42px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 24px;
      letter-spacing: -0.5px;
    }

    .hero-content h1 span {
      color: var(--primary);
    }

    .hero-desc {
      font-size: 16px;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 36px;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      margin-bottom: 40px;
    }

    .hero-badge-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .badge-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: #94A3B8;
    }

    .badge-dot {
      width: 6px;
      height: 6px;
      background: var(--primary);
      border-radius: 50%;
    }

    .hero-terminal-card {
      background: rgba(15, 23, 42, 0.85);
      border: 1px solid var(--dark-border);
      border-radius: var(--radius-lg);
      padding: 24px;
      backdrop-filter: blur(12px);
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    }

    .terminal-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--dark-border);
      padding-bottom: 14px;
      margin-bottom: 18px;
    }

    .terminal-dots {
      display: flex;
      gap: 6px;
    }

    .terminal-dots span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .dot-red { background: #EF4444; }
    .dot-yellow { background: #F59E0B; }
    .dot-green { background: #10B981; }

    .terminal-status {
      font-size: 12px;
      color: var(--primary);
      font-family: monospace;
    }

    .metric-row {
      display: flex;
      justify-content: space-between;
      margin-bottom: 14px;
      padding-bottom: 14px;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
    }

    .metric-name {
      font-size: 13px;
      color: #94A3B8;
    }

    .metric-val {
      font-size: 14px;
      font-weight: 700;
      color: #F8FAFC;
      font-family: monospace;
    }

    .metric-val.high { color: var(--primary); }

    /* 2. Pain Points */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .pain-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      position: relative;
      transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
    }

    .pain-card:hover {
      border-color: rgba(255, 107, 0, 0.4);
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    .pain-icon-wrapper {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-md);
      background: rgba(255, 107, 0, 0.1);
      color: var(--accent-orange);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-weight: 700;
      font-size: 18px;
    }

    .pain-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .pain-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 3. About Intro */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .intro-spec-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .spec-item {
      display: flex;
      gap: 16px;
      margin-bottom: 24px;
    }

    .spec-item:last-child {
      margin-bottom: 0;
    }

    .spec-badge {
      width: 36px;
      height: 36px;
      border-radius: var(--radius-sm);
      background: rgba(0, 210, 133, 0.1);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
    }

    .spec-detail h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .spec-detail p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 4. Core Advantages */
    .advantages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .advantage-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
    }

    .advantage-card:hover {
      border-color: rgba(0, 210, 133, 0.4);
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }

    .adv-icon-box {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      background: #0F172A;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin-bottom: 20px;
    }

    .adv-title {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .adv-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .adv-tag {
      font-size: 12px;
      color: #047857;
      background: #ECFDF5;
      padding: 3px 8px;
      border-radius: var(--radius-sm);
      display: inline-block;
      font-weight: 600;
    }

    /* 5. Products */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .product-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: 200ms;
    }

    .product-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 12px 28px rgba(0, 210, 133, 0.15);
    }

    .product-badge-top {
      position: absolute;
      top: -13px;
      right: 28px;
      background: var(--primary);
      color: #0F172A;
      font-size: 12px;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: var(--radius-pill);
    }

    .product-tier {
      font-size: 14px;
      font-weight: 700;
      color: var(--accent-orange);
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .product-title {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 14px;
    }

    .product-summary {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 24px;
      padding-bottom: 20px;
      border-bottom: 1px solid var(--border-color);
    }

    .product-tree {
      margin-bottom: 32px;
      flex-grow: 1;
    }

    .product-tree li {
      font-size: 14px;
      color: var(--text-main);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .product-tree li::before {
      content: "✔";
      color: var(--primary);
      font-weight: 800;
      font-size: 12px;
    }

    .product-card .btn {
      width: 100%;
    }

    /* 6. Process */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 20px;
      position: relative;
    }

    .process-timeline::before {
      content: "";
      position: absolute;
      top: 24px;
      left: 30px;
      right: 30px;
      height: 2px;
      background: #CBD5E1;
      z-index: 1;
    }

    .process-step {
      position: relative;
      z-index: 2;
    }

    .step-circle {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #FFFFFF;
      border: 3px solid var(--primary);
      color: #0F172A;
      font-weight: 800;
      font-size: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      box-shadow: 0 0 0 6px var(--bg-base);
    }

    .step-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 7. Dark Cases */
    .case-item {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
      background: var(--bg-dark-card);
      border: 1px solid var(--dark-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      margin-bottom: 36px;
    }

    .case-item:last-child {
      margin-bottom: 0;
    }

    .case-visual img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    .case-info {
      padding: 40px;
    }

    .case-category {
      font-size: 13px;
      color: var(--primary);
      font-weight: 700;
      text-transform: uppercase;
      margin-bottom: 8px;
      display: inline-block;
    }

    .case-title {
      font-size: 24px;
      font-weight: 700;
      margin-bottom: 16px;
      color: #FFFFFF;
    }

    .case-desc {
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .case-stats-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      border-top: 1px solid var(--dark-border);
      padding-top: 20px;
      margin-bottom: 24px;
    }

    .case-stat-num {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary);
      font-family: monospace;
    }

    .case-stat-label {
      font-size: 12px;
      color: #94A3B8;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tech-tag {
      font-size: 12px;
      background: rgba(255, 255, 255, 0.08);
      color: #CBD5E1;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
    }

    /* 8. User Stories */
    .story-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .story-card-interview {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      position: relative;
    }

    .quote-mark {
      font-size: 60px;
      color: rgba(0, 210, 133, 0.2);
      line-height: 1;
      margin-bottom: -20px;
      font-family: serif;
    }

    .interview-body {
      font-size: 15px;
      color: var(--text-main);
      line-height: 1.8;
      margin-bottom: 24px;
      font-style: italic;
    }

    .interview-author {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .author-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #0F172A;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
    }

    .author-name {
      font-size: 15px;
      font-weight: 700;
    }

    .author-role {
      font-size: 13px;
      color: var(--text-muted);
    }

    .story-media-box img {
      border-radius: var(--radius-lg);
      width: 100%;
      height: 380px;
      object-fit: cover;
      box-shadow: var(--shadow-sm);
    }

    /* 9. Stats Banner */
    .stats-section {
      background: #0B1120;
      border-top: 1px solid var(--dark-border);
      border-bottom: 1px solid var(--dark-border);
      padding: 60px 0;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }

    .stat-number {
      font-size: 44px;
      font-weight: 800;
      color: var(--primary);
      font-family: monospace;
      line-height: 1;
      margin-bottom: 10px;
    }

    .stat-title {
      font-size: 15px;
      color: #F8FAFC;
      font-weight: 600;
      margin-bottom: 6px;
    }

    .stat-sub {
      font-size: 13px;
      color: #94A3B8;
    }

    /* 10. Testimonials */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .testimonial-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      display: flex;    flex-direction: column;
      justify-content: space-between;
      transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
    }

    .testimonial-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
      border-color: rgba(0, 210, 133, 0.3);
    }

    .testimonial-stars {
      color: #F59E0B;
      font-size: 14px;
      margin-bottom: 16px;
      letter-spacing: 2px;
    }

    .testimonial-text {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.8;
      margin-bottom: 24px;
      flex-grow: 1;
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }

    .user-avatar-tag {
      width: 40px;
      height: 40px;
      border-radius: var(--radius-sm);
      background: #0F172A;
      color: var(--primary);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
    }

    .user-meta h5 {
      font-size: 14px;
      font-weight: 700;
    }

    .user-meta p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 11. News Insights */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .news-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: 200ms;
    }

    .news-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }

    .news-img {
      height: 180px;
      width: 100%;
      object-fit: cover;
    }

    .news-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .news-date {
      font-size: 12px;
      color: var(--accent-orange);
      font-weight: 600;
      margin-bottom: 8px;
    }

    .news-heading {
      font-size: 17px;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .news-excerpt {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .news-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 12. FAQ Accordion */
    .faq-wrapper {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      transition: border-color 200ms;
    }

    .faq-item.active {
      border-color: var(--primary);
    }

    .faq-question {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #FFFFFF;
      user-select: none;
    }

    .faq-item.active .faq-question {
      color: #047857;
    }

    .faq-chevron {
      width: 16px;
      height: 16px;
      border-right: 2px solid var(--text-muted);
      border-bottom: 2px solid var(--text-muted);
      transform: rotate(45deg);
      transition: transform 200ms ease;
    }

    .faq-item.active .faq-chevron {
      transform: rotate(-135deg);
      border-color: var(--primary);
    }

    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
      border-top: 1px solid #F1F5F9;
      background: #FDFEFE;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* 13. CTA Banner */
    .cta-container {
      background: linear-gradient(135deg, #0B1120 0%, #1E293B 100%);
      border: 1px solid var(--dark-border);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #FFFFFF;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }

    .cta-text-side h2 {
      font-size: 30px;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
    }

    .cta-text-side p {
      font-size: 15px;
      color: #CBD5E1;
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .cta-perks {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .cta-perk-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      color: #94A3B8;
    }

    .cta-form-card {
      background: rgba(15, 23, 42, 0.9);
      border: 1px solid #334155;
      padding: 32px;
      border-radius: var(--radius-md);
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: #E2E8F0;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      height: 44px;
      background: #0B1120;
      border: 1px solid #475569;
      border-radius: var(--radius-sm);
      padding: 0 14px;
      color: #FFFFFF;
      font-size: 14px;
    }

    .form-control:focus {
      border-color: var(--primary);
    }

    .cta-form-btn {
      width: 100%;
      height: 46px;
      margin-top: 8px;
    }

    /* Footer */
    .site-footer {
      background: #0B1120;
      color: #94A3B8;
      font-size: 14px;
      border-top: 1px solid var(--dark-border);
      padding: 70px 0 30px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 60px;
    }

    .footer-col h4 {
      color: #FFFFFF;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .footer-links li {
      margin-bottom: 12px;
    }

    .footer-links a:hover {
      color: var(--primary);
    }

    .footer-contact-item {
      margin-bottom: 12px;
      line-height: 1.6;
    }

    .footer-bottom {
      border-top: 1px solid #1E293B;
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }

    .footer-bottom a {
      color: #64748B;
    }

    .footer-bottom a:hover {
      color: var(--primary);
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
      .hero-content h1 { font-size: 34px; }
      .pain-grid { grid-template-columns: repeat(2, 1fr); }
      .intro-grid { grid-template-columns: 1fr; }
      .advantages-grid { grid-template-columns: repeat(2, 1fr); }
      .products-grid { grid-template-columns: 1fr; }
      .process-timeline { grid-template-columns: 1fr; }
      .process-timeline::before { display: none; }
      .case-item { grid-template-columns: 1fr; }
      .story-grid { grid-template-columns: 1fr; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .testimonial-grid { grid-template-columns: 1fr; }
      .news-grid { grid-template-columns: 1fr; }
      .cta-container { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .topbar { display: none; }
      .navbar { height: 64px; }
      .nav-menu {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 24px 32px;
        box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
        gap: 16px;
        align-items: flex-start;
      }
      .nav-menu.open { display: flex; }
      .mobile-menu-toggle { display: block; }
      .nav-cta-btn { width: 100%; text-align: center; }
      .section { padding: 60px 0; }
      .section-title { font-size: 26px; }
      .pain-grid { grid-template-columns: 1fr; }
      .advantages-grid { grid-template-columns: 1fr; }
      .stats-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
      .hero-actions { flex-direction: column; }
    }