/* roulang page: index */
:root {
      --primary: #0A66C2;
      --primary-dark: #084e96;
      --accent: #00D2B4;
      --highlight: #22C55E;
      --bg-main: #F8FAFC;
      --bg-card: #FFFFFF;
      --bg-dark: #0B0F19;
      --text-title: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --text-light: #F1F5F9;
      --border-color: rgba(226, 232, 240, 0.85);
      --border-dark: rgba(255, 255, 255, 0.1);
      --shadow-sm: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 14px 32px -4px rgba(10, 102, 194, 0.14);
      --radius-lg: 1.25rem;
      --radius-md: 0.85rem;
      --radius-full: 9999px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-body);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
    }

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

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

    button, input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.25rem;
      padding-right: 1.25rem;
    }

    /* Top Utility Bar */
    .utility-bar {
      background-color: #040810;
      color: #94A3B8;
      font-size: 0.8125rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 0.45rem 0;
    }
    .utility-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 0.5rem;
    }
    .utility-meta {
      display: flex;
      align-items: center;
      gap: 1.25rem;
    }
    .status-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      background-color: var(--highlight);
      border-radius: 50%;
      margin-right: 0.35rem;
      box-shadow: 0 0 8px var(--highlight);
    }

    /* Main Nav */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 0.65rem;
      font-weight: 800;
      font-size: 1.25rem;
      color: var(--text-title);
      letter-spacing: -0.02em;
    }
    .brand-logo-badge {
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #fff;
      padding: 0.25rem 0.6rem;
      border-radius: var(--radius-md);
      font-size: 0.875rem;
      font-weight: 700;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 1.75rem;
      list-style: none;
    }
    .nav-link {
      font-weight: 500;
      font-size: 0.95rem;
      color: var(--text-body);
      position: relative;
      padding: 0.25rem 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: var(--transition);
    }
    .nav-link:hover::after, .nav-link.active::after {
      width: 100%;
    }
    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #fff !important;
      font-weight: 600;
      font-size: 0.9rem;
      padding: 0.55rem 1.25rem;
      border-radius: var(--radius-full);
      box-shadow: 0 4px 14px rgba(10, 102, 194, 0.25);
    }
    .nav-cta:hover {
      box-shadow: 0 6px 20px rgba(10, 102, 194, 0.38);
      transform: translateY(-1px);
    }

    /* Common Components */
    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.35rem 0.85rem;
      background: rgba(10, 102, 194, 0.08);
      border: 1px solid rgba(10, 102, 194, 0.2);
      color: var(--primary);
      border-radius: var(--radius-full);
      font-size: 0.825rem;
      font-weight: 600;
      letter-spacing: 0.02em;
    }
    .badge-pill.dark {
      background: rgba(0, 210, 180, 0.15);
      border-color: rgba(0, 210, 180, 0.35);
      color: var(--accent);
    }
    .section-spacing {
      padding: 5.5rem 0;
    }
    .section-spacing.sm {
      padding: 3.5rem 0;
    }
    .section-header {
      margin-bottom: 3.25rem;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-title);
      letter-spacing: -0.02em;
      line-height: 1.25;
      margin-top: 0.75rem;
      margin-bottom: 1rem;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.8rem 1.8rem;
      font-size: 1rem;
      font-weight: 600;
      border-radius: var(--radius-full);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #fff;
      box-shadow: 0 4px 18px rgba(10, 102, 194, 0.28);
    }
    .btn-primary:hover {
      box-shadow: 0 8px 26px rgba(10, 102, 194, 0.42);
      transform: translateY(-2px);
    }
    .btn-secondary {
      background: #FFFFFF;
      color: var(--text-title);
      border-color: var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .btn-secondary:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
    }
    .card-base {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .card-base:hover {
      box-shadow: var(--shadow-hover);
      border-color: rgba(10, 102, 194, 0.35);
      transform: translateY(-4px);
    }

    /* 1. Hero Section */
    .hero-section {
      position: relative;
      background: radial-gradient(circle at 85% 15%, rgba(0, 210, 180, 0.08), transparent 45%),
                  radial-gradient(circle at 15% 65%, rgba(10, 102, 194, 0.06), transparent 50%),
                  #FFFFFF;
      padding: 4.5rem 0 5.5rem;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 1fr;
      gap: 3.5rem;
      align-items: center;
    }
    .hero-h1 {
      font-size: 3rem;
      font-weight: 800;
      color: var(--text-title);
      line-height: 1.2;
      letter-spacing: -0.03em;
      margin: 1.1rem 0 1.25rem;
    }
    .hero-h1 span {
      background: linear-gradient(135deg, var(--primary), var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.1rem;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 2rem;
    }
    .hero-btns {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      margin-bottom: 2.25rem;
    }
    .hero-meta-points {
      display: flex;
      gap: 2rem;
      padding-top: 1.5rem;
      border-top: 1px solid var(--border-color);
    }
    .hero-point-item h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-title);
    }
    .hero-point-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* Hero Dashboard Card */
    .hero-dashboard-wrap {
      position: relative;
    }
    .hero-dashboard-img-card {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: 0 20px 45px -10px rgba(15, 23, 42, 0.16);
      background: #0B0F19;
    }
    .hero-dashboard-img-card img {
      width: 100%;
      height: 380px;
      object-fit: cover;
      opacity: 0.85;
      transition: transform 0.6s ease;
    }
    .hero-dashboard-img-card:hover img {
      transform: scale(1.02);
    }
    .hero-float-stat {
      position: absolute;
      bottom: 1.5rem;
      left: 1.5rem;
      right: 1.5rem;
      background: rgba(11, 15, 25, 0.88);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 1.1rem 1.4rem;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1rem;
      color: #fff;
    }
    .hero-stat-cell h5 {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--accent);
      line-height: 1.1;
    }
    .hero-stat-cell span {
      font-size: 0.775rem;
      color: #94A3B8;
    }

    /* 2. Tech Specs */
    .tech-specs-section {
      background: #FFFFFF;
      border-bottom: 1px solid var(--border-color);
    }
    .specs-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 3.5rem;
      align-items: center;
    }
    .specs-media {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .specs-media img {
      width: 100%;
      height: 400px;
      object-fit: cover;
    }
    .specs-badge-floating {
      position: absolute;
      top: 1.25rem;
      left: 1.25rem;
      background: rgba(15, 23, 42, 0.88);
      color: #fff;
      padding: 0.5rem 1rem;
      border-radius: var(--radius-full);
      font-size: 0.8rem;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .specs-list {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }
    .spec-item {
      display: flex;
      gap: 1.25rem;
      align-items: flex-start;
      padding: 1.2rem;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      background: var(--bg-main);
    }
    .spec-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: rgba(10, 102, 194, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.25rem;
      flex-shrink: 0;
      font-weight: 800;
    }
    .spec-content h4 {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 0.35rem;
    }
    .spec-content p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 3. Core Advantages (6 cards) */
    .advantages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .adv-card {
      padding: 2.2rem 1.8rem;
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .adv-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1.5rem;
    }
    .adv-num {
      font-size: 1.75rem;
      font-weight: 900;
      color: rgba(10, 102, 194, 0.2);
      font-family: monospace;
    }
    .adv-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 0.85rem;
    }
    .adv-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 4. Product Matrix (3 tiers) */
    .products-section {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }
    .product-card {
      padding: 2.25rem;
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .product-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 16px 36px -4px rgba(10, 102, 194, 0.16);
    }
    .product-tag {
      position: absolute;
      top: -12px;
      right: 2rem;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #fff;
      font-size: 0.775rem;
      font-weight: 700;
      padding: 0.25rem 0.85rem;
      border-radius: var(--radius-full);
      text-transform: uppercase;
    }
    .product-card h3 {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--text-title);
      margin-top: 0.6rem;
      margin-bottom: 0.5rem;
    }
    .product-sub {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 1.75rem;
    }
    .product-features {
      list-style: none;
      margin-bottom: 2rem;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      gap: 0.85rem;
    }
    .product-features li {
      font-size: 0.925rem;
      color: var(--text-body);
      display: flex;
      align-items: center;
      gap: 0.65rem;
    }
    .product-features li::before {
      content: '✓';
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: rgba(34, 197, 94, 0.15);
      color: var(--highlight);
      font-size: 0.75rem;
      font-weight: 800;
    }

    /* 5. Contrast Section (Deep Dark) */
    .contrast-section {
      background: var(--bg-dark);
      color: var(--text-light);
      position: relative;
    }
    .contrast-section .section-title {
      color: #FFFFFF;
    }
    .contrast-section .section-desc {
      color: #94A3B8;
    }
    .contrast-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
      margin-top: 3rem;
    }
    .contrast-col {
      border-radius: var(--radius-lg);
      padding: 2.5rem;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-dark);
    }
    .contrast-col.active-ai {
      background: linear-gradient(180deg, rgba(10, 102, 194, 0.12), rgba(0, 210, 180, 0.05));
      border-color: rgba(0, 210, 180, 0.35);
    }
    .contrast-col-title {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1.75rem;
    }
    .contrast-col-title h4 {
      font-size: 1.35rem;
      font-weight: 700;
    }
    .contrast-list {
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
    }
    .contrast-item {
      padding-bottom: 1.25rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .contrast-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .contrast-item h5 {
      font-size: 1rem;
      color: #CBD5E1;
      margin-bottom: 0.35rem;
    }
    .contrast-item p {
      font-size: 0.875rem;
      color: #64748B;
      line-height: 1.5;
    }
    .contrast-col.active-ai .contrast-item h5 {
      color: var(--accent);
    }
    .contrast-col.active-ai .contrast-item p {
      color: #94A3B8;
    }

    /* 6. Milestone Timeline */
    .timeline-wrap {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
    }
    .timeline-wrap::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 2px;
      background: var(--border-color);
    }
    .timeline-node {
      display: flex;
      justify-content: flex-end;
      padding-right: 3rem;
      position: relative;
      margin-bottom: 2.75rem;
      width: 50%;
    }
    .timeline-node:nth-child(even) {
      align-self: flex-end;
      margin-left: 50%;
      justify-content: flex-start;
      padding-right: 0;
      padding-left: 3rem;
    }
    .timeline-dot {
      position: absolute;
      top: 10px;
      right: -10px;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: #FFFFFF;
      border: 4px solid var(--primary);
      z-index: 2;
    }
    .timeline-node:nth-child(even) .timeline-dot {
      right: auto;
      left: -10px;
    }
    .timeline-card {
      padding: 1.5rem 1.8rem;
    }
    .timeline-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-title);
      margin-top: 0.4rem;
      margin-bottom: 0.4rem;
    }
    .timeline-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 7. Performance Counters */
    .counters-section {
      background: linear-gradient(135deg, #0A66C2, #044384);
      color: #FFFFFF;
      padding: 3.5rem 0;
    }
    .counters-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2rem;
      text-align: center;
    }
    .counter-item h3 {
      font-size: 2.8rem;
      font-weight: 900;
      letter-spacing: -0.02em;
      margin-bottom: 0.35rem;
      font-family: monospace;
      color: #FFFFFF;
    }
    .counter-item p {
      font-size: 0.95rem;
      color: rgba(255, 255, 255, 0.85);
      font-weight: 500;
    }

    /* 8. User Story */
    .story-grid {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 3.5rem;
      align-items: center;
    }
    .story-card-content {
      padding: 2.5rem;
    }
    .quote-badge {
      font-size: 2.5rem;
      line-height: 1;
      color: rgba(10, 102, 194, 0.2);
      font-weight: 900;
    }
    .story-text {
      font-size: 1.05rem;
      line-height: 1.8;
      color: var(--text-body);
      margin: 1rem 0 1.5rem;
      font-style: italic;
    }
    .story-author h4 {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-title);
    }
    .story-author p {
      font-size: 0.875rem;
      color: var(--text-muted);
    }
    .story-visual {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .story-visual img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    /* 9. Reviews Grid */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .review-card {
      padding: 2rem;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-stars {
      color: #F59E0B;
      font-size: 1rem;
      margin-bottom: 0.85rem;
    }
    .review-quote {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 1.5rem;
    }
    .review-person {
      display: flex;
      align-items: center;
      gap: 0.85rem;
      border-top: 1px solid var(--border-color);
      padding-top: 1rem;
    }
    .review-avatar-text {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: rgba(10, 102, 194, 0.1);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.05rem;
    }
    .review-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-title);
    }
    .review-info span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 10. News Section */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .news-card {
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .news-thumb {
      height: 200px;
      overflow: hidden;
      background: #E2E8F0;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .news-card:hover .news-thumb img {
      transform: scale(1.05);
    }
    .news-content {
      padding: 1.6rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-meta {
      display: flex;
      justify-content: space-between;
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 0.65rem;
    }
    .news-content h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-title);
      line-height: 1.45;
      margin-bottom: 0.75rem;
    }
    .news-content p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 1.25rem;
      flex-grow: 1;
    }
    .news-link {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
    }

    /* 11. Security & Compliance */
    .security-section {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .security-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
    }
    .security-card {
      padding: 2rem 1.5rem;
      text-align: center;
    }
    .security-icon {
      width: 54px;
      height: 54px;
      margin: 0 auto 1.25rem;
      border-radius: 50%;
      background: rgba(10, 102, 194, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: bold;
    }
    .security-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 0.5rem;
    }
    .security-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 12. FAQ Accordion */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: rgba(10, 102, 194, 0.4);
    }
    .faq-summary {
      padding: 1.25rem 1.6rem;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-title);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-summary::-webkit-details-marker {
      display: none;
    }
    .faq-icon {
      font-size: 1.25rem;
      color: var(--primary);
      transition: transform 0.25s ease;
    }
    details[open] .faq-icon {
      transform: rotate(45deg);
    }
    details[open] {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }
    .faq-answer {
      padding: 0 1.6rem 1.4rem;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 13. Conversion & Reservation Form */
    .cta-box-wrapper {
      background: linear-gradient(135deg, #0A66C2 0%, #00B59B 100%);
      border-radius: var(--radius-lg);
      padding: 3.5rem;
      color: #FFFFFF;
      box-shadow: 0 24px 48px -12px rgba(10, 102, 194, 0.35);
    }
    .cta-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3.5rem;
      align-items: center;
    }
    .cta-info h3 {
      font-size: 2.25rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 1.2rem;
    }
    .cta-info p {
      font-size: 1.05rem;
      color: rgba(255, 255, 255, 0.9);
      line-height: 1.75;
      margin-bottom: 2rem;
    }
    .cta-checklist {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.85rem;
    }
    .cta-checklist li {
      font-size: 0.95rem;
      display: flex;
      align-items: center;
      gap: 0.65rem;
    }
    .cta-checklist li::before {
      content: '✓';
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      background: rgba(255, 255, 255, 0.25);
      border-radius: 50%;
      font-size: 0.75rem;
      font-weight: 800;
    }
    .cta-form-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 2.25rem;
      color: var(--text-body);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    }
    .form-group {
      margin-bottom: 1.2rem;
    }
    .form-label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-title);
      margin-bottom: 0.4rem;
    }
    .form-control {
      width: 100%;
      padding: 0.75rem 0.95rem;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      background: #F8FAFC;
      color: var(--text-title);
      transition: var(--transition);
    }
    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(10, 102, 194, 0.15);
    }
    .form-submit-btn {
      width: 100%;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #FFFFFF;
      border: none;
      padding: 0.9rem;
      font-size: 1.05rem;
      font-weight: 700;
      border-radius: 8px;
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(10, 102, 194, 0.3);
      transition: var(--transition);
    }
    .form-submit-btn:hover {
      box-shadow: 0 8px 22px rgba(10, 102, 194, 0.45);
      transform: translateY(-2px);
    }
    .form-tips {
      font-size: 0.775rem;
      color: var(--text-muted);
      text-align: center;
      margin-top: 0.85rem;
    }

    /* Footer */
    .site-footer {
      background: #0B0F19;
      color: #94A3B8;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 4.5rem 0 2rem;
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
      gap: 3rem;
      margin-bottom: 3.5rem;
    }
    .footer-col h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 1.25rem;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }
    .footer-links a:hover {
      color: var(--accent);
    }
    .footer-brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 0.85rem;
    }
    .footer-col p {
      line-height: 1.7;
      margin-bottom: 1rem;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
      font-size: 0.825rem;
    }

    /* Mobile Navigation Drawer & Hamburger */
    .mobile-nav-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 0.5rem;
      flex-direction: column;
      gap: 5px;
    }
    .mobile-nav-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-title);
      transition: var(--transition);
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-grid, .specs-grid, .story-grid, .cta-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
      }
      .advantages-grid, .product-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .security-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-h1 {
        font-size: 2.4rem;
      }
    }

    @media (max-width: 768px) {
      .mobile-nav-toggle {
        display: flex;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
      }
      .nav-links.active {
        display: flex;
      }
      .advantages-grid, .product-grid, .contrast-grid, .news-grid, .reviews-grid {
        grid-template-columns: 1fr;
      }
      .counters-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .security-grid {
        grid-template-columns: 1fr;
      }
      .timeline-wrap::before {
        left: 20px;
      }
      .timeline-node {
        width: 100%;
        padding-left: 3rem;
        padding-right: 0;
        justify-content: flex-start;
      }
      .timeline-node:nth-child(even) {
        margin-left: 0;
        padding-left: 3rem;
      }
      .timeline-dot {
        left: 11px !important;
        right: auto !important;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-h1 {
        font-size: 2rem;
      }
      .cta-box-wrapper {
        padding: 2rem 1.25rem;
      }
    }