/* roulang page: index */
:root {
      --primary: #4f46e5;
      --primary-hover: #3b28cc;
      --accent: #00f5a0;
      --accent-deep: #059669;
      --bg-base: #f8fafc;
      --bg-card: #ffffff;
      --bg-dark: #0b0f19;
      --bg-dark-card: #151d30;
      --text-main: #0f172a;
      --text-sub: #334155;
      --text-muted: #64748b;
      --text-light: #f1f5f9;
      --border: #e2e8f0;
      --border-dark: #1e293b;
      --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 14px;
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: var(--font-stack);
      background-color: var(--bg-base);
      color: var(--text-sub);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
    }
    .utility-bar {
      background: #060911;
      color: #94a3b8;
      font-size: 13px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 8px 0;
    }
    .utility-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      background-color: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent);
      animation: pulseDot 2s infinite;
    }
    @keyframes pulseDot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(0.85); }
    }
    .site-header {
      position: sticky;
      top: 0;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      z-index: 1000;
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 22px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .brand-logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), #818cf8);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 18px;
      box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-sub);
      padding: 6px 0;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.25s ease;
      border: 1px solid transparent;
      min-height: 44px;
    }
    .btn-primary {
      background: var(--primary);
      color: #ffffff;
      box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
    }
    .btn-primary:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(79, 70, 229, 0.35);
    }
    .btn-secondary {
      background: #ffffff;
      color: var(--text-main);
      border-color: var(--border);
    }
    .btn-secondary:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: #f8fafc;
    }
    .btn-accent {
      background: var(--accent);
      color: #0b0f19;
      font-weight: 700;
    }
    .btn-accent:hover {
      background: #00dd90;
      transform: translateY(-2px);
      box-shadow: 0 4px 14px rgba(0, 245, 160, 0.4);
    }
    .section-wrap {
      padding: 80px 0;
      border-bottom: 1px solid var(--border);
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: var(--text-light);
      border-bottom-color: var(--border-dark);
    }
    .section-muted {
      background-color: #f1f5f9;
    }
    .section-head {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 50px;
    }
    .section-badge {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      background: rgba(79, 70, 229, 0.08);
      padding: 4px 12px;
      border-radius: 30px;
      text-transform: uppercase;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .section-dark .section-badge {
      background: rgba(0, 245, 160, 0.15);
      color: var(--accent);
    }
    .section-title {
      font-size: 34px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .section-dark .section-title {
      color: #ffffff;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.8;
    }
    .section-dark .section-desc {
      color: #94a3b8;
    }
    .hero-employer {
      position: relative;
      background: linear-gradient(rgba(11, 15, 25, 0.88), rgba(11, 15, 25, 0.94)), url('/assets/images/c4fe75154b6e76ac.webp') center/cover no-repeat;
      padding: 90px 0 80px;
      color: #ffffff;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.25fr 0.95fr;
      gap: 48px;
      align-items: center;
    }
    .hero-h1 {
      font-size: 42px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-h1 span {
      background: linear-gradient(90deg, #818cf8, var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      font-size: 16px;
      line-height: 1.8;
      color: #cbd5e1;
      margin-bottom: 30px;
    }
    .hero-stats-row {
      display: flex;
      gap: 30px;
      margin-bottom: 36px;
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
    }
    .hero-stat-item h4 {
      font-size: 28px;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 4px;
    }
    .hero-stat-item p {
      font-size: 13px;
      color: #94a3b8;
    }
    .hero-job-board {
      background: var(--bg-dark-card);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: 0 20px 30px rgba(0, 0, 0, 0.4);
    }
    .job-board-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .job-board-head h3 {
      font-size: 18px;
      font-weight: 700;
      color: #ffffff;
    }
    .job-board-head span {
      font-size: 12px;
      color: var(--accent);
      background: rgba(0, 245, 160, 0.1);
      padding: 4px 8px;
      border-radius: 4px;
    }
    .job-card-mini {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: var(--radius-sm);
      padding: 14px;
      margin-bottom: 12px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: all 0.2s ease;
    }
    .job-card-mini:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(79, 70, 229, 0.5);
      transform: translateX(4px);
    }
    .job-title {
      font-size: 15px;
      font-weight: 600;
      color: #f8fafc;
      margin-bottom: 4px;
    }
    .job-meta {
      font-size: 12px;
      color: #94a3b8;
    }
    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .card-pain {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }
    .card-pain:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(79, 70, 229, 0.3);
    }
    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: rgba(79, 70, 229, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .card-pain h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .card-pain p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }
    .arch-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .arch-thumb {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-md);
    }
    .metric-list {
      list-style: none;
      margin-top: 24px;
    }
    .metric-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 16px;
    }
    .metric-dot {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: rgba(79, 70, 229, 0.12);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 800;
      flex-shrink: 0;
      margin-top: 3px;
    }
    .matrix-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      position: relative;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .matrix-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary);
    }
    .matrix-badge {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--primary);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 20px;
    }
    .matrix-title {
      font-size: 22px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .matrix-desc {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .matrix-specs {
      border-top: 1px dashed var(--border);
      padding-top: 18px;
      margin-bottom: 24px;
      flex-grow: 1;
    }
    .spec-item {
      display: flex;
      justify-content: space-between;
      font-size: 14px;
      margin-bottom: 10px;
    }
    .spec-item span:first-child {
      color: var(--text-muted);
    }
    .spec-item span:last-child {
      font-weight: 600;
      color: var(--text-main);
    }
    .step-track {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      position: relative;
    }
    .step-num {
      width: 36px;
      height: 36px;
      background: var(--primary);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 16px;
      margin-bottom: 18px;
    }
    .step-card h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .step-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .multi-client-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 18px;
    }
    .client-portal-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      transition: all 0.3s ease;
    }
    .client-portal-card:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    .client-icon {
      font-size: 28px;
      margin-bottom: 12px;
      display: inline-block;
    }
    .client-name {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .client-status {
      font-size: 12px;
      color: var(--accent-deep);
      font-weight: 600;
      background: #ecfdf5;
      padding: 2px 8px;
      border-radius: 4px;
      display: inline-block;
    }
    .metrics-bar-wrap {
      background: linear-gradient(135deg, #1e1b4b, #312e81);
      color: #ffffff;
      padding: 50px 0;
    }
    .metrics-bar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .metrics-val {
      font-size: 40px;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 6px;
      line-height: 1;
    }
    .metrics-label {
      font-size: 15px;
      color: #cbd5e1;
    }
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testi-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
    }
    .testi-content {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 20px;
      position: relative;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 16px;
    }
    .testi-avatar {
      width: 44px;
      height: 44px;
      background: #e2e8f0;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
      font-size: 14px;
    }
    .testi-name {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }
    .testi-role {
      font-size: 12px;
      color: var(--text-muted);
    }
    .table-responsive {
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
    }
    .sys-req-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }
    .sys-req-table th {
      background: #f8fafc;
      padding: 16px 20px;
      font-weight: 700;
      color: var(--text-main);
      border-bottom: 1px solid var(--border);
    }
    .sys-req-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border);
      color: var(--text-sub);
    }
    .sys-req-table tr:last-child td {
      border-bottom: none;
    }
    .tag-support {
      color: #059669;
      background: #d1fae5;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 600;
    }
    .news-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .news-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }
    .news-img {
      height: 180px;
      overflow: hidden;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .news-card:hover .news-img img {
      transform: scale(1.05);
    }
    .news-body {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-meta {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
      display: flex;
      justify-content: space-between;
    }
    .news-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-excerpt {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .news-more {
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
    }
    .cta-box-inner {
      background: linear-gradient(135deg, #1e1b4b 0%, #0f172a 100%);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: #ffffff;
      border: 1px solid rgba(255, 255, 255, 0.15);
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .cta-form {
      background: rgba(255, 255, 255, 0.05);
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .form-group {
      margin-bottom: 14px;
    }
    .form-control {
      width: 100%;
      height: 44px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(0, 0, 0, 0.3);
      padding: 0 14px;
      color: #ffffff;
      font-size: 14px;
    }
    .form-control:focus {
      outline: none;
      border-color: var(--accent);
    }
    .site-footer {
      background: var(--bg-dark);
      color: #94a3b8;
      padding: 60px 0 24px;
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand h4 {
      font-size: 20px;
      color: #ffffff;
      font-weight: 800;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .footer-col h5 {
      font-size: 15px;
      color: #ffffff;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      cursor: pointer;
      color: var(--text-main);
    }
    @media (max-width: 1024px) {
      .grid-4 { grid-template-columns: repeat(2, 1fr); }
      .step-track { grid-template-columns: repeat(2, 1fr); }
      .multi-client-grid { grid-template-columns: repeat(3, 1fr); }
      .hero-grid, .arch-split, .cta-box-inner { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .utility-bar { display: none; }
      .nav-menu { display: none; }
      .mobile-menu-btn { display: block; }
      .grid-3, .testimonial-grid { grid-template-columns: 1fr; }
      .metrics-bar-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
      .hero-h1 { font-size: 30px; }
      .section-title { font-size: 26px; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
      .multi-client-grid { grid-template-columns: repeat(2, 1fr); }
    }