/* roulang page: index */
:root {
      --primary: #00BFA5;
      --primary-dark: #00897B;
      --primary-light: #E0F2F1;
      --accent: #FF9F43;
      --dark-slate: #0F172A;
      --surface-dark: #1E293B;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --bg-page: #F8FAFC;
      --bg-card: #FFFFFF;
      --border-color: rgba(0, 191, 165, 0.18);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 20px 35px -10px rgba(0, 191, 165, 0.12);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      background-color: var(--bg-page);
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      line-height: 1.6;
      background-color: var(--bg-page);
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* TopBar & Header */
    .top-bar {
      background: var(--dark-slate);
      color: #94A3B8;
      font-size: 0.85rem;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-meta {
      display: flex;
      gap: 20px;
    }
    .top-bar-meta span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .header-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--dark-slate);
      letter-spacing: -0.5px;
    }
    .brand-icon-box {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFFFFF;
      font-size: 1.1rem;
      box-shadow: 0 4px 10px rgba(0, 191, 165, 0.35);
    }
    .brand-logo span.accent {
      color: var(--primary);
    }

    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 28px;
    }
    .nav-links a {
      font-size: 0.95rem;
      font-weight: 500;
      color: #334155;
      padding: 6px 0;
      position: relative;
      transition: var(--transition);
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--primary);
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: var(--transition);
      border-radius: 2px;
    }
    .nav-links a:hover::after,
    .nav-links a.active::after {
      width: 100%;
    }

    .header-cta-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: #FFFFFF;
      font-weight: 600;
      font-size: 0.95rem;
      padding: 10px 22px;
      border-radius: 30px;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(0, 191, 165, 0.3);
      transition: var(--transition);
    }
    .header-cta-btn:hover {
      box-shadow: 0 6px 18px rgba(0, 191, 165, 0.45);
      transform: translateY(-2px);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      font-size: 1.5rem;
      color: var(--dark-slate);
    }

    /* Common Components */
    .section-wrap {
      padding: 88px 0;
      position: relative;
    }
    .section-wrap.alt-bg {
      background-color: #F1F5F9;
    }
    .section-wrap.dark-bg {
      background: var(--dark-slate);
      color: #F8FAFC;
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 52px auto;
    }
    .section-badge {
      display: inline-block;
      padding: 6px 16px;
      background: var(--primary-light);
      color: var(--primary-dark);
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: 30px;
      margin-bottom: 14px;
      border: 1px solid rgba(0, 191, 165, 0.25);
      letter-spacing: 0.5px;
    }
    .dark-bg .section-badge {
      background: rgba(0, 191, 165, 0.15);
      color: var(--primary);
      border-color: rgba(0, 191, 165, 0.4);
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .dark-bg .section-desc {
      color: #94A3B8;
    }

    .card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      overflow: hidden;
    }
    .card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: rgba(0, 191, 165, 0.45);
    }

    .pill-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 600;
      background: rgba(0, 191, 165, 0.1);
      color: var(--primary-dark);
      border: 1px solid rgba(0, 191, 165, 0.2);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      font-size: 0.98rem;
      padding: 12px 28px;
      border-radius: 30px;
      cursor: pointer;
      transition: var(--transition);
      border: none;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: #FFFFFF;
      box-shadow: 0 4px 15px rgba(0, 191, 165, 0.35);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 22px rgba(0, 191, 165, 0.45);
    }
    .btn-outline {
      background: transparent;
      color: var(--text-main);
      border: 1.5px solid #CBD5E1;
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: var(--primary-light);
    }
    .btn-dark-outline {
      background: transparent;
      color: #F8FAFC;
      border: 1.5px solid rgba(255, 255, 255, 0.3);
    }
    .btn-dark-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(0, 191, 165, 0.15);
    }

    /* 1. Hero Section */
    .hero-section {
      background: linear-gradient(180deg, #FFFFFF 0%, #F1FDF9 100%);
      padding: 60px 0 90px 0;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-badge-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      border-radius: 20px;
      background: #E6FAF6;
      border: 1px solid rgba(0, 191, 165, 0.3);
      color: var(--primary-dark);
      font-size: 0.88rem;
      font-weight: 600;
      margin-bottom: 20px;
    }
    .hero-title {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1.2;
      color: var(--dark-slate);
      margin-bottom: 22px;
      letter-spacing: -1px;
    }
    .hero-title .gradient-text {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.1rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 32px;
      max-width: 620px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-bottom: 36px;
    }
    .hero-trust-row {
      display: flex;
      align-items: center;
      gap: 24px;
      font-size: 0.88rem;
      color: #64748B;
      padding-top: 18px;
      border-top: 1px dashed #CBD5E1;
    }
    .hero-trust-item {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .hero-trust-item svg {
      width: 18px;
      height: 18px;
      fill: var(--primary);
    }
    .hero-visual-card {
      position: relative;
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 12px;
      box-shadow: 0 20px 45px rgba(0, 0, 0, 0.08);
      border: 1px solid rgba(0, 191, 165, 0.25);
    }
    .hero-media-box {
      border-radius: var(--radius-md);
      overflow: hidden;
      position: relative;
      aspect-ratio: 4 / 3;
    }
    .hero-media-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .hero-floating-pill {
      position: absolute;
      bottom: -18px;
      left: 20px;
      background: rgba(15, 23, 42, 0.92);
      color: #FFFFFF;
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: 14px;
      padding: 12px 20px;
      display: flex;
      align-items: center;
      gap: 14px;
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
    }
    .pill-stat-num {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
    }
    .pill-stat-label {
      font-size: 0.78rem;
      color: #94A3B8;
      line-height: 1.2;
    }

    /* 2. Tech Specs & Architecture */
    .tech-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .tech-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
    }
    .tech-visual img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .tech-spec-list {
      margin-top: 24px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .tech-spec-item {
      background: #FFFFFF;
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid #E2E8F0;
    }
    .spec-value {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary-dark);
      margin-bottom: 4px;
    }
    .spec-name {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 3. Core Advantages (3x2 Grid) */
    .advantages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .adv-card {
      padding: 32px 26px;
      display: flex;
      flex-direction: column;
      height: 100%;
      background: #FFFFFF;
    }
    .adv-icon-wrap {
      width: 54px;
      height: 54px;
      border-radius: 14px;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--primary-dark);
    }
    .adv-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--dark-slate);
    }
    .adv-card p {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    /* 4. Products & Terminals */
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .product-card {
      background: #FFFFFF;
      display: flex;
      flex-direction: column;
    }
    .product-thumb {
      height: 220px;
      width: 100%;
      overflow: hidden;
      position: relative;
    }
    .product-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .product-card:hover .product-thumb img {
      transform: scale(1.05);
    }
    .product-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .product-title {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .product-specs {
      list-style: none;
      margin: 18px 0;
      border-top: 1px solid #E2E8F0;
      padding-top: 14px;
    }
    .product-specs li {
      display: flex;
      justify-content: space-between;
      font-size: 0.88rem;
      padding: 6px 0;
      color: #475569;
    }
    .product-specs li span:last-child {
      font-weight: 600;
      color: var(--dark-slate);
    }

    /* 5. Comparison Section (Dark Theme) */
    .compare-table-wrapper {
      background: var(--surface-dark);
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255, 255, 255, 0.1);
      overflow: hidden;
      margin-top: 36px;
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 20px 24px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .compare-table th {
      background: rgba(0, 0, 0, 0.2);
      font-size: 1.05rem;
      font-weight: 700;
      color: #E2E8F0;
    }
    .compare-table th.highlight-col {
      color: var(--primary);
      background: rgba(0, 191, 165, 0.12);
    }
    .compare-table td.highlight-col {
      background: rgba(0, 191, 165, 0.05);
      font-weight: 600;
      color: #A7F3D0;
    }
    .compare-dim-text {
      color: #94A3B8;
      font-size: 0.92rem;
    }

    /* 6. Scenarios */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .scenario-card {
      background: #FFFFFF;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .scenario-img {
      height: 170px;
      position: relative;
    }
    .scenario-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .scenario-content {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .scenario-content h4 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .scenario-content p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 7. Metric Counters Bar */
    .metric-section {
      background: linear-gradient(135deg, #0F172A 0%, #134E4A 100%);
      padding: 56px 0;
      color: #FFFFFF;
      border-top: 1px solid rgba(0, 191, 165, 0.3);
      border-bottom: 1px solid rgba(0, 191, 165, 0.3);
    }
    .metrics-bar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .metric-item {
      padding: 10px 16px;
      position: relative;
    }
    .metric-item:not(:last-child)::after {
      content: '';
      position: absolute;
      right: 0;
      top: 20%;
      height: 60%;
      width: 1px;
      background: rgba(255, 255, 255, 0.15);
    }
    .metric-number {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
      font-feature-settings: "tnum";
    }
    .metric-label {
      font-size: 0.95rem;
      color: #CBD5E1;
    }

    /* 8. Customer Stories / Case Studies */
    .case-split-card {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .case-split-img {
      height: 100%;
      min-height: 340px;
    }
    .case-split-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .case-split-body {
      padding: 40px 40px 40px 0;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .case-results-bar {
      display: flex;
      gap: 24px;
      margin-top: 24px;
      padding-top: 20px;
      border-top: 1px dashed #CBD5E1;
    }
    .case-res-stat {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--primary-dark);
    }
    .case-res-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 9. Social Proof Testimonials */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .testi-card {
      background: #FFFFFF;
      padding: 28px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .testi-stars {
      color: #F59E0B;
      font-size: 1.1rem;
      margin-bottom: 14px;
    }
    .testi-quote {
      font-size: 0.95rem;
      line-height: 1.68;
      color: #334155;
      margin-bottom: 20px;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary-dark);
    }
    .testi-meta h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var--dark-slate);
    }
    .testi-meta span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 10. News & Insights */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #FFFFFF;
      display: flex;
      flex-direction: column;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .news-card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-date {
      font-size: 0.82rem;
      color: var(--text-muted);
      margin-bottom: 8px;
      font-weight: 500;
    }
    .news-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--dark-slate);
      line-height: 1.45;
      margin-bottom: 12px;
    }
    .news-excerpt {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .news-link-btn {
      align-self: flex-start;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary-dark);
      display: inline-flex;
      align-items: center;
      gap: 4px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 0;
    }

    /* 11. FAQ Accordion */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: rgba(0, 191, 165, 0.4);
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--dark-slate);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }
    .faq-icon-arrow {
      width: 20px;
      height: 20px;
      transition: transform 0.3s ease;
      fill: var(--primary-dark);
      flex-shrink: 0;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #F8FAFC;
      border-top: 1px solid transparent;
    }
    .faq-answer p {
      padding: 0 24px 20px 24px;
      font-size: 0.94rem;
      color: #475569;
      line-height: 1.7;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      border-top-color: #E2E8F0;
      padding-top: 16px;
    }
    .faq-item.active .faq-icon-arrow {
      transform: rotate(180deg);
    }

    /* 12. Final CTA & Booking Section */
    .final-cta-section {
      background: linear-gradient(135deg, #0F172A 0%, #064E3B 100%);
      color: #FFFFFF;
      padding: 80px 0;
      position: relative;
    }
    .final-cta-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }
    .booking-form-box {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 36px 32px;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
      color: var(--text-main);
    }
    .booking-form-box h3 {
      font-size: 1.45rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--dark-slate);
    }
    .booking-form-box p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: #334155;
    }
    .form-input, .form-select {
      width: 100%;
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid #CBD5E1;
      font-size: 0.92rem;
      background: #F8FAFC;
      transition: var(--transition);
    }
    .form-input:focus, .form-select:focus {
      border-color: var(--primary);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.15);
    }
    .form-submit-btn {
      width: 100%;
      padding: 14px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: #FFFFFF;
      font-weight: 700;
      font-size: 1rem;
      border-radius: var(--radius-sm);
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(0, 191, 165, 0.35);
      transition: var(--transition);
      margin-top: 8px;
    }
    .form-submit-btn:hover {
      box-shadow: 0 8px 25px rgba(0, 191, 165, 0.45);
      transform: translateY(-2px);
    }

    /* Footer */
    .site-footer {
      background: #090E17;
      color: #94A3B8;
      padding: 68px 0 28px 0;
      font-size: 0.9rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-desc {
      font-size: 0.88rem;
      line-height: 1.7;
      margin-bottom: 18px;
    }
    .footer-heading {
      font-size: 1.05rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      color: #94A3B8;
      transition: var(--transition);
    }
    .footer-links a:hover {
      color: var(--primary);
      padding-left: 4px;
    }
    .footer-contact-info {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-contact-info li {
      display: flex;
      gap: 10px;
      line-height: 1.5;
    }
    .footer-contact-info span.icon {
      color: var(--primary);
    }
    .footer-bottom {
      padding-top: 28px;
      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: 0.84rem;
    }
    .footer-bottom a {
      color: #94A3B8;
      transition: var(--transition);
    }
    .footer-bottom a:hover {
      color: var(--primary);
    }

    /* Mobile Sticky Bar */
    .mobile-dock-cta {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background: rgba(15, 23, 42, 0.95);
      backdrop-filter: blur(12px);
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding: 10px 16px;
      z-index: 999;
      box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.2);
    }
    .dock-cta-inner {
      display: flex;
      gap: 12px;
      max-width: 480px;
      margin: 0 auto;
    }
    .dock-cta-btn {
      flex: 1;
      height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.92rem;
      font-weight: 700;
      border-radius: 25px;
      border: none;
      cursor: pointer;
    }
    .dock-cta-btn.call-btn {
      background: #334155;
      color: #FFFFFF;
    }
    .dock-cta-btn.book-btn {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: #FFFFFF;
    }

    /* Modal */
    .modal-overlay {
      position: fixed;
      inset: 0;
      background: rgba(15, 23, 42, 0.7);
      backdrop-filter: blur(4px);
      z-index: 2000;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 16px;
    }
    .modal-overlay.active {
      display: flex;
    }
    .modal-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      max-width: 520px;
      width: 100%;
      padding: 32px;
      position: relative;
      box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
    }
    .modal-close-btn {
      position: absolute;
      top: 18px;
      right: 18px;
      background: none;
      border: none;
      font-size: 1.5rem;
      line-height: 1;
      cursor: pointer;
      color: #64748B;
    }

    /* Responsive Queries */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .advantages-grid, .product-grid, .testimonials-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .case-split-card {
        grid-template-columns: 1fr;
      }
      .case-split-body {
        padding: 0 32px 32px 32px;
      }
    }

    @media (max-width: 768px) {
      body {
        padding-bottom: 64px;
      }
      .mobile-dock-cta {
        display: block;
      }
      .top-bar {
        display: none;
      }
      .header-cta-btn {
        display: none;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        gap: 0;
        padding: 16px 0;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        display: none;
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
        text-align: center;
      }
      .nav-links a {
        display: block;
        padding: 14px 24px;
        font-size: 1.05rem;
      }
      .hero-title {
        font-size: 2.15rem;
      }
      .section-title {
        font-size: 1.8rem;
      }
      .advantages-grid, .product-grid, .scenario-grid, .testimonials-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .tech-grid {
        grid-template-columns: 1fr;
      }
      .metrics-bar-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px 16px;
      }
      .metric-item:not(:last-child)::after {
        display: none;
      }
      .final-cta-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
      .compare-table-wrapper {
        overflow-x: auto;
      }
    }

    @media (max-width: 520px) {
      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }
      .hero-actions .btn {
        width: 100%;
      }
      .hero-floating-pill {
        position: static;
        margin-top: 14px;
        width: 100%;
      }
      .tech-spec-list {
        grid-template-columns: 1fr;
      }
    }