/* roulang page: index */
:root {
      --primary: #0052D9;
      --primary-hover: #003cab;
      --primary-light: #EBF3FF;
      --primary-border: #D0E2FF;
      --secondary: #081D42;
      --accent: #00A870;
      --accent-bg: #E8F8F2;
      --dark-card: #0F2752;
      --dark-bg: #08162F;
      --bg-main: #FFFFFF;
      --bg-alt: #F5F7FA;
      --text-main: #1D2129;
      --text-sub: #4E5969;
      --text-muted: #86909C;
      --border: #E5E6EB;
      --border-light: #F2F3F5;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --radius-full: 9999px;
      --shadow-sm: 0 2px 8px rgba(0, 82, 217, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
      --shadow-md: 0 8px 24px rgba(0, 82, 217, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 16px 36px rgba(0, 82, 217, 0.12), 0 4px 12px rgba(0, 0, 0, 0.04);
      --container: 1240px;
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 16px; }
    body {
      font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: var(--text-main);
      background-color: var(--bg-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: all 0.25s ease; }
    img { max-width: 100%; height: auto; display: block; }
    button, input, select, textarea { font-family: inherit; }
    .container { width: 100%; max-width: var(--container); margin-left: auto; margin-right: auto; padding-left: 24px; padding-right: 24px; }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 600;
      font-size: 0.95rem;
      padding: 12px 26px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s ease;
      white-space: nowrap;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #fff;
      box-shadow: 0 4px 14px rgba(0, 82, 217, 0.3);
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(0, 82, 217, 0.4);
    }
    .btn-outline {
      background: #fff;
      border-color: var(--border);
      color: var(--text-main);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: var(--primary-light);
    }
    .btn-white {
      background: #fff;
      color: var(--primary);
      font-weight: 700;
    }
    .btn-white:hover {
      background: var(--primary-light);
      transform: translateY(-2px);
    }
    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
      background: var(--primary-light);
      border: 1px solid var(--primary-border);
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }
    .section-badge.accent {
      color: var(--accent);
      background: var(--accent-bg);
      border-color: rgba(0, 168, 112, 0.3);
    }
    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 1rem;
      color: var(--text-sub);
      max-width: 780px;
      line-height: 1.75;
    }
    .section-header { margin-bottom: 50px; }
    .section-header.center { text-align: center; }
    .section-header.center .section-desc { margin-left: auto; margin-right: auto; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: #fff;
      box-shadow: 0 2px 12px rgba(8, 29, 66, 0.06);
    }
    .top-bar {
      background-color: #F8FAFC;
      border-bottom: 1px solid var(--border);
      font-size: 0.82rem;
      color: var(--text-sub);
      padding: 7px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-left, .top-bar-right {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .status-indicator {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 3px rgba(0, 168, 112, 0.2);
    }
    .main-nav {
      padding: 16px 0;
    }
    .main-nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--secondary);
    }
    .brand-icon {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--primary), #003cab);
      color: #fff;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.2rem;
      box-shadow: 0 4px 10px rgba(0, 82, 217, 0.3);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-links a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-sub);
    }
    .nav-links a:hover {
      color: var(--primary);
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--text-main);
    }
    .hero-section {
      position: relative;
      background: linear-gradient(135deg, rgba(8, 29, 66, 0.88), rgba(0, 82, 217, 0.85)), url('/assets/images/93ea3c2e3270a468.png') center/cover no-repeat;
      color: #fff;
      padding: 90px 0 100px;
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }
    .hero-content p {
      font-size: 1.08rem;
      line-height: 1.8;
      color: #E2E8F0;
      margin-bottom: 34px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }
    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      padding-top: 24px;
    }
    .hero-tag-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.88rem;
      color: #CBD5E1;
    }
    .crowd-progress-card {
      background: rgba(255, 255, 255, 0.96);
      color: var(--text-main);
      padding: 32px;
      border-radius: var(--radius-lg);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
      backdrop-filter: blur(10px);
    }
    .crowd-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
    }
    .crowd-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--secondary);
    }
    .crowd-badge {
      background: var(--accent-bg);
      color: var(--accent);
      padding: 4px 10px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 700;
    }
    .crowd-ring-box {
      display: flex;
      align-items: center;
      gap: 20px;
      margin-bottom: 24px;
      padding: 16px;
      background: #F8FAFC;
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
    }
    .progress-circle {
      width: 76px;
      height: 76px;
      border-radius: 50%;
      background: conic-gradient(var(--accent) 0% 92%, #E2E8F0 92% 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
    }
    .progress-circle::after {
      content: "92%";
      width: 58px;
      height: 58px;
      background: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.95rem;
      color: var(--secondary);
    }
    .crowd-stat-text h4 {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }
    .crowd-stat-text p {
      font-size: 0.85rem;
      color: var(--text-sub);
    }
    .crowd-tiers {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 24px;
    }
    .tier-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 12px 14px;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      background: #fff;
      transition: all 0.2s ease;
    }
    .tier-item:hover {
      border-color: var(--primary);
      background: var(--primary-light);
    }
    .tier-info strong { display: block; font-size: 0.9rem; color: var(--text-main); }
    .tier-info span { font-size: 0.78rem; color: var(--text-muted); }
    .tier-tag { font-size: 0.82rem; font-weight: 700; color: var(--primary); }
    .page-section {
      padding: 90px 0;
    }
    .bg-light {
      background-color: var(--bg-alt);
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .metric-card {
      background: #fff;
      padding: 30px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }
    .metric-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-border);
    }
    .metric-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: var(--primary);
    }
    .metric-num {
      font-size: 2.3rem;
      font-weight: 800;
      color: var(--secondary);
      line-height: 1.15;
      margin-bottom: 6px;
    }
    .metric-growth {
      display: inline-block;
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--accent);
      background: var(--accent-bg);
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 12px;
    }
    .metric-label {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .metric-desc {
      font-size: 0.85rem;
      color: var(--text-sub);
      line-height: 1.55;
    }
    .arch-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .arch-img-wrap {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .arch-content h3 {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--secondary);
      margin-bottom: 18px;
      line-height: 1.35;
    }
    .arch-content p {
      font-size: 0.98rem;
      color: var(--text-sub);
      margin-bottom: 22px;
      line-height: 1.75;
    }
    .arch-specs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 26px;
    }
    .spec-item {
      background: #fff;
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border);
    }
    .spec-item h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 6px;
    }
    .spec-item p {
      font-size: 0.82rem;
      color: var(--text-muted);
      margin-bottom: 0;
      line-height: 1.5;
    }
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .service-card {
      background: #fff;
      padding: 32px 26px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }
    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary-border);
    }
    .service-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 20px;
    }
    .service-card h4 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 12px;
    }
    .service-card p {
      font-size: 0.9rem;
      color: var(--text-sub);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .service-badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      border-top: 1px solid var(--border-light);
      padding-top: 14px;
    }
    .badge-chip {
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 4px;
      background: #F1F5F9;
      color: var(--text-sub);
      font-weight: 500;
    }
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .adv-card {
      background: #fff;
      border: 1px solid var(--border);
      padding: 32px 26px;
      border-radius: var(--radius-md);
      position: relative;
      transition: all 0.3s ease;
    }
    .adv-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .adv-seq {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary-border);
      margin-bottom: 12px;
    }
    .adv-card h4 {
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 10px;
    }
    .adv-card p {
      font-size: 0.88rem;
      color: var(--text-sub);
      line-height: 1.65;
    }
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .product-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }
    .product-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary-border);
    }
    .product-img-box {
      height: 200px;
      overflow: hidden;
      position: relative;
    }
    .product-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .product-card:hover .product-img-box img {
      transform: scale(1.05);
    }
    .product-body {
      padding: 28px 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .product-tag {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .product-body h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--secondary);
      margin-bottom: 10px;
    }
    .product-body p {
      font-size: 0.88rem;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .product-checklist {
      list-style: none;
      margin-bottom: 22px;
      padding-top: 14px;
      border-top: 1px solid var(--border-light);
    }
    .product-checklist li {
      font-size: 0.85rem;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .product-checklist li::before {
      content: "✔";
      color: var(--accent);
      font-weight: bold;
    }
    .dark-concept-section {
      background: linear-gradient(135deg, var(--dark-bg), #061122);
      color: #fff;
      padding: 100px 0;
      position: relative;
    }
    .concept-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .concept-text h3 {
      font-size: 2.1rem;
      font-weight: 800;
      line-height: 1.35;
      margin-bottom: 20px;
      color: #fff;
    }
    .concept-text p {
      font-size: 0.98rem;
      color: #94A3B8;
      line-height: 1.75;
      margin-bottom: 26px;
    }
    .concept-points {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .concept-point-item {
      display: flex;
      gap: 14px;
      background: rgba(255, 255, 255, 0.05);
      padding: 16px 20px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--primary);
    }
    .concept-point-item h5 {
      font-size: 1rem;
      font-weight: 700;
      color: #F8FAFC;
      margin-bottom: 4px;
    }
    .concept-point-item p {
      font-size: 0.85rem;
      color: #94A3B8;
      margin-bottom: 0;
      line-height: 1.5;
    }
    .timeline-wrap {
      position: relative;
      max-width: 960px;
      margin: 0 auto;
    }
    .timeline-wrap::before {
      content: "";
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 2px;
      background: var(--border);
      transform: translateX(-50%);
    }
    .timeline-item {
      position: relative;
      margin-bottom: 40px;
      width: 50%;
      padding: 0 35px;
    }
    .timeline-item:nth-child(odd) {
      left: 0;
      text-align: right;
    }
    .timeline-item:nth-child(even) {
      left: 50%;
      text-align: left;
    }
    .timeline-dot {
      position: absolute;
      top: 10px;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: #fff;
      border: 4px solid var(--primary);
      z-index: 2;
    }
    .timeline-item:nth-child(odd) .timeline-dot { right: -9px; }
    .timeline-item:nth-child(even) .timeline-dot { left: -9px; }
    .timeline-box {
      background: #fff;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      display: inline-block;
      text-align: left;
    }
    .timeline-phase {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 6px;
    }
    .timeline-box h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 8px;
    }
    .timeline-box p {
      font-size: 0.88rem;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 0;
    }
    .cases-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }
    .case-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .case-img-box {
      height: 240px;
      overflow: hidden;
    }
    .case-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .case-body {
      padding: 30px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .case-meta {
      display: flex;
      gap: 10px;
      margin-bottom: 12px;
    }
    .case-tag {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--accent);
      background: var(--accent-bg);
      padding: 3px 8px;
      border-radius: 4px;
    }
    .case-body h4 {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--secondary);
      margin-bottom: 12px;
    }
    .case-body p {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .case-stats-bar {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      padding-top: 16px;
      border-top: 1px solid var(--border-light);
      margin-top: auto;
    }
    .case-stat-item strong {
      display: block;
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--primary);
    }
    .case-stat-item span {
      font-size: 0.78rem;
      color: var(--text-muted);
    }
    .bench-table-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }
    .bench-head {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr;
      background: #F8FAFC;
      border-bottom: 1px solid var(--border);
      padding: 18px 24px;
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--secondary);
    }
    .bench-head div:not(:first-child) {
      text-align: center;
    }
    .bench-row {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr;
      padding: 20px 24px;
      border-bottom: 1px solid var(--border-light);
      align-items: center;
    }
    .bench-row:last-child {
      border-bottom: none;
    }
    .bench-row div:not(:first-child) {
      text-align: center;
      font-size: 0.92rem;
    }
    .bench-dimension strong {
      display: block;
      font-size: 0.95rem;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .bench-dimension span {
      font-size: 0.82rem;
      color: var(--text-muted);
    }
    .bench-bad {
      color: #94A3B8;
    }
    .bench-good {
      font-weight: 700;
      color: var(--accent);
      background: var(--accent-bg);
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }
    .testi-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testi-card {
      background: #fff;
      padding: 32px 26px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .testi-stars {
      color: #F59E0B;
      font-size: 1.05rem;
      margin-bottom: 16px;
      letter-spacing: 2px;
    }
    .testi-quote {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 22px;
      flex-grow: 1;
      font-style: italic;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--border-light);
      padding-top: 16px;
    }
    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
    }
    .author-meta strong {
      display: block;
      font-size: 0.92rem;
      color: var(--secondary);
    }
    .author-meta span {
      font-size: 0.78rem;
      color: var(--text-muted);
    }
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .news-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }
    .news-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-border);
    }
    .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: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 12px;
      font-size: 0.78rem;
      color: var(--text-muted);
    }
    .news-cat {
      color: var(--primary);
      font-weight: 700;
      background: var(--primary-light);
      padding: 2px 8px;
      border-radius: 4px;
    }
    .news-body h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--secondary);
      line-height: 1.45;
      margin-bottom: 10px;
    }
    .news-body p {
      font-size: 0.88rem;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .news-bottom-link {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .assurance-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .assurance-card {
      background: #fff;
      padding: 26px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      text-align: center;
      box-shadow: var(--shadow-sm);
    }
    .assurance-badge-icon {
      width: 48px;
      height: 48px;
      margin: 0 auto 16px;
      border-radius: 50%;
      background: var(--accent-bg);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      font-weight: 800;
    }
    .assurance-card h5 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 8px;
    }
    .assurance-card p {
      font-size: 0.85rem;
      color: var(--text-sub);
      line-height: 1.5;
    }
    .faq-wrap {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      transition: all 0.25s ease;
    }
    .faq-item.active {
      border-color: var(--primary-border);
      box-shadow: var(--shadow-sm);
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--secondary);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-question:hover {
      color: var(--primary);
    }
    .faq-icon {
      font-size: 1.3rem;
      color: var(--primary);
      transition: transform 0.25s ease;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      display: none;
      padding: 0 24px 22px;
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.75;
      border-top: 1px solid var(--border-light);
      padding-top: 16px;
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .form-section-card {
      background: linear-gradient(135deg, #F8FBFF, #EFF6FF);
      border: 1px solid var(--primary-border);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      box-shadow: var(--shadow-md);
    }
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 24px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group.full {
      grid-column: 1 / -1;
    }
    .form-group label {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--secondary);
    }
    .form-group input, .form-group select, .form-group textarea {
      padding: 12px 14px;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      background: #fff;
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s ease;
    }
    .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
      border-color: var(--primary);
    }
    .checkbox-row {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-top: 6px;
    }
    .checkbox-label {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.88rem;
      color: var(--text-main);
      cursor: pointer;
    }
    .form-footer-action {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 24px;
      flex-wrap: wrap;
      gap: 16px;
    }
    .privacy-notice {
      font-size: 0.82rem;
      color: var(--text-muted);
    }
    .site-footer {
      background-color: var(--secondary);
      color: #94A3B8;
      padding: 70px 0 30px;
      border-top: 3px solid var(--primary);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-col h5 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 20px;
      position: relative;
    }
    .footer-col p {
      font-size: 0.88rem;
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      font-size: 0.88rem;
      color: #94A3B8;
    }
    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }
    .footer-contact-item {
      display: flex;
      gap: 10px;
      font-size: 0.88rem;
      margin-bottom: 12px;
      align-items: flex-start;
    }
    .footer-contact-item strong {
      color: #CBD5E1;
      white-space: nowrap;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 26px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.82rem;
    }
    .footer-bottom-links {
      display: flex;
      gap: 20px;
    }
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
      .metrics-grid { grid-template-columns: repeat(2, 1fr); }
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .adv-grid { grid-template-columns: repeat(2, 1fr); }
      .products-grid { grid-template-columns: 1fr; }
      .concept-grid { grid-template-columns: 1fr; }
      .cases-grid { grid-template-columns: 1fr; }
      .news-grid { grid-template-columns: 1fr; }
      .assurance-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .top-bar { display: none; }
      .mobile-menu-btn { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        padding: 24px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
      }
      .nav-links.active { display: flex; }
      .hero-content h1 { font-size: 2rem; }
      .section-title { font-size: 1.65rem; }
      .timeline-wrap::before { left: 20px; }
      .timeline-item { width: 100%; left: 0 !important; text-align: left !important; padding-left: 50px; padding-right: 0; }
      .timeline-dot { left: 11px !important; }
      .bench-head, .bench-row { grid-template-columns: 1fr; gap: 8px; text-align: left !important; }
      .bench-head div:not(:first-child), .bench-row div:not(:first-child) { text-align: left !important; }
      .testi-grid { grid-template-columns: 1fr; }
      .arch-split { grid-template-columns: 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }