/* roulang page: index */
:root {
      --primary: #1E56A0;
      --primary-hover: #163f77;
      --accent: #00A8CC;
      --accent-soft: rgba(0, 168, 204, 0.1);
      --bg-base: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-alt: #F1F5F9;
      --bg-dark: #0F172A;
      --text-main: #0F172A;
      --text-sub: #1E293B;
      --text-body: #475569;
      --text-muted: #94A3B8;
      --border-color: #E2E8F0;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-full: 9999px;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-card: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 12px 30px -4px rgba(30, 86, 160, 0.12);
      --transition: all 0.28s ease-in-out;
      --container-max: 1240px;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-body);
      line-height: 1.68;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      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: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }
    .top-bar {
      background-color: var(--bg-dark);
      color: var(--text-muted);
      font-size: 0.8125rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 38px;
    }
    .top-bar-left, .top-bar-right {
      display: flex;
      align-items: center;
      gap: 18px;
    }
    .badge-status {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 2px 10px;
      border-radius: var(--radius-full);
      background: rgba(0, 168, 204, 0.15);
      color: var(--accent);
      font-weight: 500;
      font-size: 0.75rem;
    }
    .badge-status::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background-color: var(--accent);
      box-shadow: 0 0 8px var(--accent);
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .site-header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.02em;
    }
    .brand-mark {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.1rem;
      font-weight: 800;
      box-shadow: 0 4px 10px rgba(30, 86, 160, 0.25);
    }
    .brand-title {
      color: var(--text-main);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-link {
      font-size: 0.9375rem;
      color: var(--text-sub);
      font-weight: 500;
      position: relative;
      padding: 6px 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-color: var(--primary);
      transition: var(--transition);
    }
    .nav-link:hover::after, .nav-link.active::after {
      width: 100%;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.9375rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #fff;
      box-shadow: 0 4px 14px rgba(30, 86, 160, 0.2);
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      box-shadow: 0 6px 18px rgba(30, 86, 160, 0.3);
      transform: translateY(-1px);
    }
    .btn-secondary {
      background-color: #fff;
      color: var(--primary);
      border-color: var(--border-color);
    }
    .btn-secondary:hover {
      border-color: var(--primary);
      color: var(--primary-hover);
      background-color: var(--bg-alt);
    }
    .btn-accent {
      background-color: var(--accent);
      color: #fff;
      box-shadow: 0 4px 14px rgba(0, 168, 204, 0.25);
    }
    .btn-accent:hover {
      background-color: #0093b3;
      transform: translateY(-1px);
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
    }
    .site-section {
      padding: 90px 0;
      position: relative;
    }
    .section-white {
      background-color: var(--bg-white);
    }
    .section-alt {
      background-color: var(--bg-alt);
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: #F8FAFC;
    }
    .section-header {
      margin-bottom: 50px;
    }
    .section-header.text-center {
      text-align: center;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.8125rem;
      font-weight: 700;
      color: var(--accent);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-bottom: 10px;
      background: var(--accent-soft);
      padding: 4px 12px;
      border-radius: var(--radius-full);
    }
    .section-dark .section-tag {
      background: rgba(0, 168, 204, 0.2);
    }
    .section-title {
      font-size: 2.15rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.3;
      letter-spacing: -0.015em;
      margin-bottom: 16px;
    }
    .section-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-body);
      line-height: 1.75;
    }
    .section-dark .section-desc {
      color: var(--text-muted);
    }
    .hero-banner {
      position: relative;
      background: linear-gradient(180deg, #F8FAFC 0%, #EDF4FA 100%);
      padding: 50px 0 70px 0;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }
    .hero-strip {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      align-items: center;
      gap: 40px;
    }
    .hero-h1 {
      font-size: 2.75rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      letter-spacing: -0.02em;
      margin: 16px 0;
    }
    .hero-h1 span {
      color: var(--primary);
    }
    .hero-p {
      font-size: 1.125rem;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 30px;
      max-width: 620px;
    }
    .hero-btns {
      display: flex;
      gap: 16px;
      margin-bottom: 32px;
    }
    .hero-highlights {
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
    }
    .highlight-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.875rem;
      color: var(--text-sub);
      font-weight: 600;
    }
    .highlight-icon {
      color: var(--accent);
      font-size: 1.1rem;
    }
    .hero-image-wrap {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: 0 16px 36px -6px rgba(15, 23, 42, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.6);
      background: #fff;
    }
    .hero-image-wrap img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .hero-badge-overlay {
      position: absolute;
      bottom: 20px;
      left: 20px;
      background: rgba(15, 23, 42, 0.88);
      backdrop-filter: blur(8px);
      padding: 12px 18px;
      border-radius: var(--radius-sm);
      color: #fff;
      display: flex;
      align-items: center;
      gap: 14px;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .hero-badge-overlay .stat-num {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--accent);
      line-height: 1;
    }
    .hero-badge-overlay .stat-label {
      font-size: 0.78rem;
      color: var(--text-muted);
    }
    .problems-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .problem-card {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      padding: 34px 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .problem-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background-color: #CBD5E1;
      transition: var(--transition);
    }
    .problem-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: #CBD5E1;
    }
    .problem-card:hover::before {
      background-color: #EF4444;
    }
    .problem-tag {
      font-size: 0.78rem;
      font-weight: 700;
      color: #EF4444;
      background: #FEE2E2;
      padding: 3px 10px;
      border-radius: var(--radius-sm);
      display: inline-block;
      margin-bottom: 16px;
    }
    .problem-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .problem-desc {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
    }
    .demo-stage {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .demo-visual {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border-color);
    }
    .demo-visual img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }
    .demo-steps {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .demo-step-item {
      background: var(--bg-white);
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      display: flex;
      gap: 18px;
      transition: var(--transition);
    }
    .demo-step-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-card);
    }
    .step-index {
      width: 36px;
      height: 36px;
      background: var(--accent-soft);
      color: var(--primary);
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .step-content h3 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .step-content p {
      font-size: 0.925rem;
      color: var(--text-body);
      line-height: 1.6;
    }
    .results-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .result-stat-box {
      background: var(--bg-white);
      padding: 32px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      text-align: center;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
    }
    .result-stat-box:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .result-num {
      font-size: 2.4rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .result-num span {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--accent);
      margin-left: 4px;
    }
    .result-label {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .result-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .pain-points-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }
    .pain-point-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-card);
    }
    .pain-point-item h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .pain-point-item h3::before {
      content: "!";
      display: inline-flex;
      width: 24px;
      height: 24px;
      background: #FEE2E2;
      color: #DC2626;
      border-radius: 50%;
      align-items: center;
      justify-content: center;
      font-size: 0.85rem;
      font-weight: 800;
    }
    .pain-point-item p {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 14px;
    }
    .solution-tip {
      font-size: 0.875rem;
      color: var(--primary);
      background: var(--accent-soft);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      font-weight: 500;
    }
    .path-steps-container {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .path-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      box-shadow: var(--shadow-card);
      position: relative;
    }
    .path-phase {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--accent);
      letter-spacing: 0.05em;
      text-transform: uppercase;
      margin-bottom: 8px;
    }
    .path-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .path-card p {
      font-size: 0.9rem;
      color: var(--text-body);
      line-height: 1.65;
    }
    .modules-deck {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .module-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .module-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .module-card img {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }
    .module-body {
      padding: 26px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .module-body h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .module-body p {
      font-size: 0.9375rem;
      color: var(--text-body);
      line-height: 1.68;
      margin-bottom: 18px;
    }
    .module-tags {
      margin-top: auto;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .module-tags span {
      background: var(--bg-alt);
      color: var(--text-sub);
      font-size: 0.75rem;
      font-weight: 500;
      padding: 4px 10px;
      border-radius: var(--radius-full);
      border: 1px solid var(--border-color);
    }
    .tech-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .tech-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .tech-item {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 22px;
      border-radius: var(--radius-md);
    }
    .tech-item h4 {
      font-size: 1.15rem;
      color: #FFFFFF;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .tech-item h4 span {
      color: var(--accent);
      font-size: 0.85rem;
    }
    .tech-item p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.65;
    }
    .tech-specs-card {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 30px;
    }
    .spec-row {
      display: flex;
      justify-content: space-between;
      padding: 14px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.925rem;
    }
    .spec-row:last-child {
      border-bottom: none;
    }
    .spec-name {
      color: var(--text-muted);
    }
    .spec-val {
      color: #fff;
      font-weight: 600;
    }
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .case-card {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
      transition: var(--transition);
    }
    .case-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .case-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }
    .case-info {
      padding: 24px;
    }
    .case-badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary);
      background: #EBF3FA;
      padding: 3px 8px;
      border-radius: var(--radius-sm);
      margin-bottom: 10px;
    }
    .case-info h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .case-info p {
      font-size: 0.9rem;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 16px;
    }
    .case-metric {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--accent);
      border-top: 1px dashed var(--border-color);
      padding-top: 12px;
    }
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 24px;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
    }
    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: inline-block;
    }
    .news-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.45;
    }
    .news-card p {
      font-size: 0.925rem;
      color: var(--text-body);
      line-height: 1.68;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .news-action {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .partners-bar {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 20px;
    }
    .partner-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 22px 16px;
      text-align: center;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-sub);
      box-shadow: var(--shadow-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 80px;
    }
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .faq-summary {
      padding: 22px 26px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      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-summary::after {
      content: "+";
      font-size: 1.4rem;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.25s ease;
    }
    details[open] .faq-summary::after {
      transform: rotate(45deg);
    }
    .faq-content {
      padding: 0 26px 22px 26px;
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.75;
      border-top: 1px solid var(--border-color);
      margin-top: 6px;
      padding-top: 16px;
    }
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 50px;
    }
    .guarantee-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      display: flex;
      align-items: flex-start;
      gap: 16px;
      box-shadow: var(--shadow-sm);
    }
    .guarantee-icon {
      width: 44px;
      height: 44px;
      background: var(--accent-soft);
      color: var(--accent);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      flex-shrink: 0;
      font-weight: 700;
    }
    .guarantee-info h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .guarantee-info p {
      font-size: 0.88rem;
      color: var(--text-body);
      line-height: 1.6;
    }
    .contact-form-box {
      max-width: 760px;
      margin: 0 auto;
      background: var(--bg-white);
      padding: 40px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
    }
    .form-header {
      text-align: center;
      margin-bottom: 30px;
    }
    .form-header h3 {
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .form-header p {
      font-size: 0.95rem;
      color: var(--text-muted);
    }
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-bottom: 20px;
    }
    .form-group-full {
      grid-column: span 2;
    }
    .form-group label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-sub);
      margin-bottom: 8px;
    }
    .form-control {
      width: 100%;
      height: 46px;
      padding: 10px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background-color: var(--bg-base);
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
    }
    .form-control:focus {
      border-color: var(--primary);
      background-color: #fff;
      box-shadow: 0 0 0 3px rgba(30, 86, 160, 0.12);
    }
    textarea.form-control {
      height: 110px;
      resize: vertical;
    }
    .form-submit-btn {
      width: 100%;
      height: 50px;
      font-size: 1.05rem;
    }
    .form-tips {
      margin-top: 14px;
      font-size: 0.8125rem;
      color: var(--text-muted);
      text-align: center;
    }
    .site-footer {
      background-color: var(--bg-dark);
      color: var(--text-muted);
      padding: 70px 0 30px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.9rem;
    }
    .footer-matrix {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 50px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-col h4 {
      color: #fff;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-col a:hover {
      color: var(--accent);
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.3rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-about-text {
      line-height: 1.7;
      margin-bottom: 20px;
      font-size: 0.875rem;
    }
    .footer-contact-item {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 10px;
      font-size: 0.875rem;
    }
    .footer-bottom {
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.8125rem;
    }
    @media (max-width: 1024px) {
      .hero-strip {
        grid-template-columns: 1fr;
      }
      .hero-image-wrap {
        order: -1;
      }
      .demo-stage, .tech-grid {
        grid-template-columns: 1fr;
      }
      .problems-grid, .modules-deck, .cases-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .results-row, .path-steps-container {
        grid-template-columns: repeat(2, 1fr);
      }
      .partners-bar {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-matrix {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .nav-menu {
        position: absolute;
        top: 74px;
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
        display: none;
      }
      .nav-menu.open {
        display: flex;
      }
      .header-actions .btn {
        display: none;
      }
      .hero-h1 {
        font-size: 2.1rem;
      }
      .site-section {
        padding: 60px 0;
      }
      .problems-grid, .modules-deck, .cases-grid, .news-grid, .pain-points-grid, .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .results-row, .path-steps-container, .partners-bar {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group-full {
        grid-column: span 1;
      }
      .contact-form-box {
        padding: 24px;
      }
      .footer-matrix {
        grid-template-columns: 1fr;
      }
    }