/* roulang page: index */
:root {
      --primary: #0F172A;
      --primary-light: #1E293B;
      --accent: #00D26A;
      --accent-hover: #00B359;
      --brand-blue: #2563EB;
      --brand-blue-hover: #1D4ED8;
      --bg-main: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-dark: #0B0F17;
      --text-dark: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --border-dark: #1E293B;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
      --shadow-lg: 0 12px 30px -4px rgba(15, 23, 42, 0.1);
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-body);
      line-height: 1.7;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button, input, select, textarea {
      font-family: inherit;
    }
    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .section-padding {
      padding: 96px 0;
    }
    .section-padding-sm {
      padding: 64px 0;
    }
    .bg-white-sec {
      background-color: var(--bg-white);
    }
    .bg-slate-sec {
      background-color: #F1F5F9;
    }
    .bg-dark-sec {
      background-color: var(--bg-dark);
      color: #F8FAFC;
    }
    .sec-header {
      margin-bottom: 56px;
      max-width: 800px;
    }
    .sec-header.center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }
    .badge-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: rgba(37, 99, 235, 0.08);
      color: var(--brand-blue);
      border: 1px solid rgba(37, 99, 235, 0.2);
      border-radius: 9999px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 16px;
      letter-spacing: 0.02em;
    }
    .badge-tag.accent-style {
      background: rgba(0, 210, 106, 0.1);
      color: var(--accent);
      border-color: rgba(0, 210, 106, 0.3);
    }
    .badge-tag.dark-style {
      background: rgba(255, 255, 255, 0.06);
      color: #93C5FD;
      border-color: rgba(255, 255, 255, 0.15);
    }
    .sec-title {
      font-size: 34px;
      font-weight: 700;
      color: var(--text-dark);
      line-height: 1.3;
      margin-bottom: 18px;
      letter-spacing: -0.02em;
    }
    .bg-dark-sec .sec-title {
      color: #FFFFFF;
    }
    .sec-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.75;
    }
    .bg-dark-sec .sec-desc {
      color: #94A3B8;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 13px 28px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      border: none;
      gap: 8px;
      text-align: center;
    }
    .btn-primary {
      background-color: var(--accent);
      color: #052E16;
      font-weight: 700;
    }
    .btn-primary:hover {
      background-color: var(--accent-hover);
      box-shadow: 0 4px 14px rgba(0, 210, 106, 0.35);
      transform: translateY(-2px);
    }
    .btn-blue {
      background-color: var(--brand-blue);
      color: #FFFFFF;
    }
    .btn-blue:hover {
      background-color: var(--brand-blue-hover);
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
      transform: translateY(-2px);
    }
    .btn-outline-white {
      background: rgba(255, 255, 255, 0.08);
      color: #FFFFFF;
      border: 1px solid rgba(255, 255, 255, 0.25);
    }
    .btn-outline-white:hover {
      background: rgba(255, 255, 255, 0.16);
      border-color: #FFFFFF;
      transform: translateY(-2px);
    }
    .btn-outline-dark {
      background: transparent;
      color: var(--text-dark);
      border: 1px solid var(--border-color);
    }
    .btn-outline-dark:hover {
      background: var(--bg-main);
      border-color: var(--text-dark);
    }
    
    /* Topbar & Header */
    .top-bar {
      background: #090D14;
      color: #94A3B8;
      font-size: 13px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 8px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-contact {
      display: flex;
      gap: 24px;
    }
    .top-bar-item {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .top-bar-item span {
      color: #E2E8F0;
      font-weight: 500;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.03em;
    }
    .site-logo-icon {
      width: 38px;
      height: 38px;
      background: var(--primary);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      border: 1px solid rgba(0, 210, 106, 0.4);
      position: relative;
    }
    .site-logo-icon::after {
      content: '';
      position: absolute;
      width: 10px;
      height: 10px;
      border-top: 2px solid var(--accent);
      border-left: 2px solid var(--accent);
      top: 5px;
      left: 5px;
    }
    .site-logo-text span {
      color: var(--brand-blue);
    }
    .nav-links {
      display: flex;
      list-style: none;
      gap: 32px;
    }
    .nav-link-item a {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-body);
      position: relative;
      padding: 6px 0;
    }
    .nav-link-item a:hover {
      color: var(--brand-blue);
    }
    .nav-link-item a.active {
      color: var(--brand-blue);
    }
    .nav-link-item a.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--brand-blue);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    /* Hero Section: 视频官网/工业沉浸质感 */
    .hero-section {
      position: relative;
      background-color: var(--bg-dark);
      background-image: linear-gradient(to right, rgba(11, 15, 23, 0.94) 35%, rgba(11, 15, 23, 0.72) 75%), url('/assets/images/441611688978a59a.webp');
      background-size: cover;
      background-position: center;
      padding: 110px 0 100px;
      color: #FFFFFF;
      overflow: hidden;
      border-bottom: 1px solid var(--border-dark);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 56px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 46px;
      font-weight: 800;
      line-height: 1.22;
      margin-bottom: 24px;
      letter-spacing: -0.03em;
    }
    .hero-content h1 span {
      background: linear-gradient(120deg, #FFFFFF 30%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      font-size: 16px;
      line-height: 1.8;
      color: #94A3B8;
      margin-bottom: 36px;
    }
    .hero-btns {
      display: flex;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 44px;
    }
    .hero-stats-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      padding-top: 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
    }
    .hero-stat-item h4 {
      font-size: 26px;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 4px;
      font-family: monospace, sans-serif;
    }
    .hero-stat-item p {
      font-size: 13px;
      color: #94A3B8;
    }
    .hero-visual-card {
      background: rgba(15, 23, 42, 0.75);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
      position: relative;
      backdrop-filter: blur(8px);
    }
    .hero-visual-screen {
      position: relative;
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid rgba(0, 210, 106, 0.3);
    }
    .hero-screen-img {
      width: 100%;
      height: 280px;
      object-fit: cover;
    }
    .vision-target-box {
      position: absolute;
      top: 28%;
      left: 32%;
      width: 130px;
      height: 90px;
      border: 2px dashed var(--accent);
      background: rgba(0, 210, 106, 0.12);
      pointer-events: none;
    }
    .vision-target-tag {
      position: absolute;
      top: -24px;
      left: 0;
      background: var(--accent);
      color: #052E16;
      font-size: 11px;
      font-weight: 700;
      padding: 2px 6px;
      border-radius: 3px;
    }
    .vision-crosshair {
      position: absolute;
      top: 50%;
      left: 50%;
      width: 14px;
      height: 14px;
      transform: translate(-50%, -50%);
    }
    .vision-crosshair::before, .vision-crosshair::after {
      content: '';
      position: absolute;
      background: var(--accent);
    }
    .vision-crosshair::before { top: 6px; left: 0; width: 14px; height: 2px; }
    .vision-crosshair::after { top: 0; left: 6px; width: 2px; height: 14px; }
    .hero-visual-telemetry {
      margin-top: 18px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      font-size: 13px;
      color: #CBD5E1;
      font-family: monospace;
    }
    .telemetry-node {
      background: rgba(255, 255, 255, 0.05);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      justify-content: space-between;
    }

    /* Section 2: 核心技术与边缘计算架构 */
    .tech-arch-grid {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      gap: 56px;
      align-items: center;
    }
    .tech-content-text {
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .tech-feature-checklist {
      list-style: none;
      display: grid;
      gap: 16px;
      margin-bottom: 32px;
    }
    .tech-feature-checklist li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 14px;
      color: var(--text-dark);
      font-weight: 500;
    }
    .check-bullet {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: rgba(0, 210, 106, 0.15);
      color: var(--accent-hover);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      flex-shrink: 0;
      margin-top: 2px;
    }
    .tech-img-frame {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
    }
    .tech-frame-img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }
    .tech-overlay-spec {
      position: absolute;
      bottom: 20px;
      left: 20px;
      right: 20px;
      background: rgba(15, 23, 42, 0.88);
      backdrop-filter: blur(8px);
      padding: 16px 20px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: #FFFFFF;
      font-size: 13px;
    }
    .tech-overlay-spec p {
      color: #94A3B8;
      font-size: 12px;
      margin-top: 4px;
    }

    /* Section 3: 核心优势矩阵 (6 卡片) */
    .advantage-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .adv-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .adv-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 32px -4px rgba(15, 23, 42, 0.08);
      border-color: rgba(37, 99, 235, 0.3);
    }
    .adv-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: transparent;
      transition: var(--transition);
    }
    .adv-card:hover::before {
      background: linear-gradient(90deg, var(--brand-blue), var(--accent));
    }
    .adv-icon-wrap {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-sm);
      background: #EFF6FF;
      color: var(--brand-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .adv-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 12px;
    }
    .adv-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Section 4: 产线能力与算法产品矩阵 */
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .prod-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .prod-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(0, 210, 106, 0.4);
    }
    .prod-media {
      height: 220px;
      position: relative;
      overflow: hidden;
    }
    .prod-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .prod-card:hover .prod-media img {
      transform: scale(1.05);
    }
    .prod-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(15, 23, 42, 0.85);
      color: var(--accent);
      font-size: 12px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 4px;
      backdrop-filter: blur(4px);
    }
    .prod-body {
      padding: 28px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .prod-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 12px;
    }
    .prod-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .prod-specs-list {
      list-style: none;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
      margin-bottom: 24px;
      display: grid;
      gap: 8px;
      font-size: 13px;
      color: var(--text-body);
    }
    .prod-specs-list li {
      display: flex;
      justify-content: space-between;
    }
    .prod-specs-list li span:last-child {
      font-weight: 600;
      color: var(--text-dark);
    }

    /* Section 5: 深度参数对比规格表 */
    .spec-table-container {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .spec-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }
    .spec-table th, .spec-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
    }
    .spec-table th {
      background: #F8FAFC;
      color: var(--text-dark);
      font-weight: 700;
      font-size: 15px;
    }
    .spec-table tbody tr:hover {
      background: #F8FAFC;
    }
    .spec-table td.highlight-col {
      color: var(--brand-blue);
      font-weight: 600;
    }

    /* Section 6: 深色沉浸式案例实景对比 */
    .case-dual-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .case-card-dark {
      background: #131B2B;
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .case-card-dark:hover {
      border-color: rgba(0, 210, 106, 0.4);
    }
    .case-card-thumb {
      height: 200px;
      position: relative;
    }
    .case-card-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .case-card-content {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .case-sector {
      color: var(--accent);
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin-bottom: 8px;
    }
    .case-card-content h3 {
      font-size: 18px;
      color: #FFFFFF;
      margin-bottom: 12px;
      font-weight: 700;
    }
    .case-card-content p {
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .case-metric-box {
      background: rgba(0, 0, 0, 0.3);
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--accent);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .case-metric-box span {
      font-size: 13px;
      color: #CBD5E1;
    }
    .case-metric-box strong {
      font-size: 16px;
      color: var(--accent);
      font-family: monospace;
    }

    /* Section 7: 量化成果统计条 */
    .metric-counter-section {
      background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
      color: #FFFFFF;
      padding: 56px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .metric-counter-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .metric-node h3 {
      font-size: 40px;
      font-weight: 800;
      color: var(--accent);
      font-family: monospace, sans-serif;
      margin-bottom: 6px;
    }
    .metric-node p {
      font-size: 15px;
      color: #CBD5E1;
      font-weight: 500;
    }
    .metric-node span {
      font-size: 12px;
      color: #64748B;
      display: block;
      margin-top: 4px;
    }

    /* Section 8: 标准化交付与部署流程 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .process-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }
    .step-badge {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--primary);
      color: var(--accent);
      font-size: 14px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }
    .process-card h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 10px;
    }
    .process-card p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Section 9: 算法前沿与白皮书下载墙 */
    .resources-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .res-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .res-type {
      font-size: 12px;
      font-weight: 700;
      color: var(--brand-blue);
      text-transform: uppercase;
      margin-bottom: 10px;
    }
    .res-card h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .res-card p {
      font-size: 13.5px;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.65;
    }
    .res-download-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
      color: var(--brand-blue);
    }
    .res-download-btn:hover {
      color: var(--brand-blue-hover);
    }

    /* Section 10: 行业评测与客户口碑墙 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testi-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-rating {
      color: #F59E0B;
      font-size: 16px;
      margin-bottom: 16px;
      letter-spacing: 2px;
    }
    .testi-quote {
      font-size: 14.5px;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .testi-user {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }
    .user-avatar-placeholder {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--text-muted);
    }
    .user-info h5 {
      font-size: 15px;
      color: var(--text-dark);
      font-weight: 700;
    }
    .user-info p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* Section 11: 常见异议与技术手风琴 */
    .faq-grid {
      max-width: 920px;
      margin: 0 auto;
      display: grid;
      gap: 16px;
    }
    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-icon {
      font-size: 18px;
      color: var(--brand-blue);
      transition: var(--transition);
    }
    .faq-answer {
      padding: 0 24px 20px;
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.8;
      display: none;
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    /* Section 12: 方案定制与技术询盘表单区 */
    .contact-card-box {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow-lg);
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 48px;
    }
    .contact-info-panel h3 {
      font-size: 28px;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 16px;
    }
    .contact-info-panel p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 32px;
    }
    .contact-channel-list {
      display: grid;
      gap: 20px;
      list-style: none;
    }
    .channel-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
    }
    .channel-icon {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background: #EFF6FF;
      color: var(--brand-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 700;
      flex-shrink: 0;
    }
    .channel-item h4 {
      font-size: 15px;
      color: var(--text-dark);
      margin-bottom: 2px;
    }
    .channel-item p {
      font-size: 13.5px;
      color: var(--text-muted);
      margin-bottom: 0;
    }
    .lead-form-grid {
      display: grid;
      gap: 16px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-dark);
    }
    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-dark);
      background: #FFFFFF;
      outline: none;
      transition: var(--transition);
    }
    .form-control:focus {
      border-color: var(--brand-blue);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    }
    .form-row-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    /* Fixed Sticky Conversion Bar */
    .sticky-cta-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(15, 23, 42, 0.95);
      backdrop-filter: blur(10px);
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding: 14px 0;
      z-index: 999;
      transform: translateY(100%);
      transition: transform 0.35s ease-out;
      box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
    }
    .sticky-cta-bar.show {
      transform: translateY(0);
    }
    .sticky-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .sticky-info {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .sticky-info h4 {
      color: #FFFFFF;
      font-size: 16px;
      font-weight: 700;
    }
    .sticky-info p {
      color: #94A3B8;
      font-size: 13px;
    }
    .sticky-btns {
      display: flex;
      gap: 12px;
    }

    /* Footer */
    .site-footer {
      background: #090D14;
      color: #94A3B8;
      font-size: 14px;
      padding: 80px 0 36px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 48px;
      margin-bottom: 56px;
    }
    .footer-brand h4 {
      font-size: 20px;
      color: #FFFFFF;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .footer-brand p {
      font-size: 13.5px;
      line-height: 1.8;
      margin-bottom: 20px;
      color: #94A3B8;
    }
    .footer-col h5 {
      font-size: 15px;
      color: #FFFFFF;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
      display: grid;
      gap: 12px;
    }
    .footer-links a {
      color: #94A3B8;
      font-size: 13.5px;
    }
    .footer-links a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12.5px;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
      .tech-arch-grid { grid-template-columns: 1fr; }
      .advantage-grid { grid-template-columns: repeat(2, 1fr); }
      .product-grid { grid-template-columns: repeat(2, 1fr); }
      .case-dual-grid { grid-template-columns: 1fr; }
      .metric-counter-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
      .process-timeline { grid-template-columns: repeat(2, 1fr); }
      .resources-grid { grid-template-columns: 1fr; }
      .testimonial-grid { grid-template-columns: 1fr; }
      .contact-card-box { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .top-bar { display: none; }
      .nav-links { display: none; }
      .hero-content h1 { font-size: 32px; }
      .sec-title { font-size: 26px; }
      .advantage-grid { grid-template-columns: 1fr; }
      .product-grid { grid-template-columns: 1fr; }
      .process-timeline { grid-template-columns: 1fr; }
      .hero-stats-row { grid-template-columns: 1fr; gap: 16px; }
      .form-row-2 { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
      .sticky-bar-inner { flex-direction: column; gap: 12px; text-align: center; }
    }