:root {
      --navy: #071527;
      --deep: #0f3349;
      --blue: #14506a;
      --orange: #ff6b18;
      --orange-dark: #e95b0c;
      --text: #111827;
      --muted: #64748b;
      --light: #f6f8fb;
      --line: #e5e7eb;
      --white: #ffffff;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
      color: var(--text);
      background: #fff;
      line-height: 1.6;
      padding-top: 40px;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

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

    .container {
      width: min(1180px, calc(100% - 32px));
      margin: 0 auto;
    }

    #top-contact-bar {
      background-color: var(--navy);
      color: rgba(255,255,255,0.9);
      font-size: 14px;
      padding: 9px 0;
      position: fixed;
      top: 0;
      width: 100%;
      z-index: 1040;
      border-bottom: 1px solid rgba(255,255,255,0.12);
    }

    #top-contact-bar .top-contact-inner {
      width: min(1180px, calc(100% - 32px));
      margin: 0 auto;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    .top-contact-left {
      color: #cbd5e1;
      font-weight: 600;
    }

    #top-contact-inject {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .contact-action {
      cursor: pointer;
      color: rgba(255,255,255,0.9);
      transition: 0.2s;
      font-weight: 700;
      white-space: nowrap;
    }

    .contact-action:hover {
      color: #60a5fa;
    }

    .contact-divider {
      color: rgba(255,255,255,0.35);
    }

    .header {
      background: #fff;
      border-bottom: 1px solid var(--line);
      position: sticky;
      top: 40px;
      z-index: 30;
    }

    .header-inner {
      height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .logo {
      font-size: 32px;
      font-weight: 900;
      letter-spacing: -1px;
      color: var(--navy);
      flex-shrink: 0;
    }

    .logo span {
      color: var(--orange);
    }

    .nav {
      display: flex;
      align-items: center;
      gap: 22px;
      font-size: 15px;
      font-weight: 700;
    }

    .nav a:hover,
    .nav a.active {
      color: var(--orange);
    }

    .nav-item {
      position: relative;
      display: flex;
      align-items: center;
      height: 78px;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      cursor: pointer;
    }

    .dropdown {
      position: absolute;
      top: 100%;
      left: 50%;
      transform: translateX(-50%) translateY(12px);
      width: 680px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 18px;
      box-shadow: 0 24px 70px rgba(15, 23, 42, 0.18);
      padding: 22px;
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transition: 0.18s ease;
      z-index: 200;

    }

    .nav-item:hover .dropdown {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
      transform: translateX(-50%) translateY(0);
    }

    .dropdown-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .dropdown-card {
      display: block;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: #fff;
      transition: 0.18s ease;
    }

    .dropdown-card:hover {
      background: var(--light);
      border-color: #fed7aa;
      transform: translateY(-2px);
    }

    .dropdown-card strong {
      display: block;
      color: var(--navy);
      font-size: 15px;
      margin-bottom: 3px;
    }

    .dropdown-card span {
      display: block;
      color: var(--muted);
      font-size: 13px;
      font-weight: 500;
      line-height: 1.45;
    }

    .dropdown-footer {
      margin-top: 14px;
      padding-top: 14px;
      border-top: 1px solid var(--line);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
    }

    .dropdown-footer p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
      font-weight: 600;
    }

    .dropdown-footer a {
      color: var(--orange);
      font-weight: 900;
      font-size: 14px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--orange);
      color: #fff;
      padding: 13px 20px;
      border-radius: 9px;
      font-weight: 800;
      transition: 0.2s ease;
      border: 0;
      cursor: pointer;
      white-space: nowrap;
    }

    .btn:hover {
      background: var(--orange-dark);
      transform: translateY(-1px);
    }

    .btn.secondary {
      background: transparent;
      color: white;
      border: 1px solid rgba(255,255,255,0.45);
    }

    .btn.light {
      background: white;
      color: var(--navy);
      border: 1px solid var(--line);
    }

    .page-hero {
      background:
        radial-gradient(circle at 75% 20%, rgba(255,107,24,0.18), transparent 30%),
        linear-gradient(120deg, #071527 0%, #0f3349 55%, #14506a 100%);
      color: white;
      padding: 86px 0 74px;
      overflow: hidden;
    }

    .page-hero-inner {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      gap: 48px;
      align-items: center;
    }

    .eyebrow {
      display: inline-block;
      background: rgba(255,255,255,0.1);
      border: 1px solid rgba(255,255,255,0.18);
      color: #fed7aa;
      padding: 8px 13px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 800;
      margin-bottom: 20px;
    }

    .page-hero h1 {
      font-size: clamp(38px, 5vw, 62px);
      line-height: 1.06;
      margin: 0 0 22px;
      letter-spacing: -2px;
    }

    .page-hero p {
      font-size: 19px;
      max-width: 760px;
      color: #dbeafe;
      margin: 0 0 28px;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-top: 24px;
    }

    .hero-card {
      background: rgba(255,255,255,0.96);
      color: var(--text);
      border-radius: 22px;
      padding: 28px;
      box-shadow: 0 28px 80px rgba(0,0,0,0.25);
    }

    .hero-card h3 {
      font-size: 26px;
      margin: 0 0 12px;
      line-height: 1.2;
    }

    .hero-card p {
      color: var(--muted);
      font-size: 15px;
      margin: 0 0 16px;
    }

    .hero-list {
      display: grid;
      gap: 10px;
    }

    .hero-list div {
      background: var(--light);
      border: 1px solid var(--line);
      border-radius: 10px;
      padding: 10px 12px;
      font-size: 14px;
      font-weight: 700;
    }

    .section {
      padding: 76px 0;
    }

    .section.light {
      background: var(--light);
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 28px;
      margin-bottom: 34px;
    }

    .section-kicker {
      color: var(--orange);
      font-size: 13px;
      font-weight: 900;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-bottom: 8px;
    }

    .section h2 {
      font-size: clamp(30px, 4vw, 42px);
      line-height: 1.15;
      margin: 0;
      letter-spacing: -1px;
    }

    .section-desc {
      color: var(--muted);
      max-width: 720px;
      margin: 12px 0 0;
    }

    .grid {
      display: grid;
      gap: 22px;
    }

    .grid-4 {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .grid-3 {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .grid-2 {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .product-img-box {
      height: 360px;
      background: #e5e7eb;
      border-radius: 22px;
      overflow: hidden;
      box-shadow: 0 18px 50px rgba(15,23,42,0.08);
    }

    .product-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .product-overview-grid {
      align-items: stretch;
    }

    .product-overview-grid .product-img-box {
      height: auto;
      min-height: 430px;
      background: #fff;
    }

    .product-overview-grid .product-img-box img {
      object-fit: contain;
      padding: 18px;
      background: #fff;
    }

    .product-overview-grid .content-box {
      display: flex;
      height: 100%;
      flex-direction: column;
      padding-right: 82px;
    }

    .product-overview-grid .content-box .hero-actions {
      margin-top: auto;
    }

    .content-box {
      background: white;
      border: 1px solid var(--line);
      border-radius: 22px;
      padding: 32px;
      box-shadow: 0 14px 40px rgba(15,23,42,0.05);
    }

    .content-box p {
      color: var(--muted);
    }

    .feature-card,
    .application-card,
    .contact-card {
      background: white;
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 24px;
      box-shadow: 0 12px 30px rgba(15,23,42,0.04);
    }

    .feature-card .icon {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: #fff7ed;
      color: var(--orange);
      font-size: 22px;
      margin-bottom: 16px;
    }

    .feature-card h3,
    .application-card h3 {
      margin: 0 0 8px;
      font-size: 21px;
    }

    .feature-card p,
    .application-card p {
      margin: 0;
      color: var(--muted);
    }

    .table-wrap {
      overflow-x: auto;
      border-radius: 18px;
      border: 1px solid var(--line);
      background: white;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      min-width: 780px;
    }

    th {
      background: #0f3349;
      color: white;
      text-align: left;
      padding: 16px;
      font-size: 14px;
    }

    td {
      padding: 16px;
      border-top: 1px solid var(--line);
      color: #334155;
      vertical-align: top;
    }

    td strong {
      color: var(--navy);
    }

    .rfq-box {
      background:
        radial-gradient(circle at 20% 20%, rgba(255,107,24,0.18), transparent 28%),
        linear-gradient(120deg, #071527, #123c54);
      color: white;
      border-radius: 24px;
      padding: 42px;
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 34px;
      align-items: start;
    }

    .rfq-box h2 {
      color: white;
      margin-top: 0;
    }

    .rfq-box p {
      color: #dbeafe;
    }

    .rfq-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .rfq-list div {
      background: rgba(255,255,255,0.1);
      border: 1px solid rgba(255,255,255,0.18);
      border-radius: 14px;
      padding: 16px;
      font-weight: 800;
      color: #f8fafc;
    }

    .related-card {
      background: white;
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 22px;
      transition: 0.18s ease;
    }

    .related-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 14px 34px rgba(15,23,42,0.08);
    }

    .related-card strong {
      display: block;
      color: var(--navy);
      font-size: 19px;
      margin-bottom: 6px;
    }

    .related-card span {
      color: var(--muted);
      font-size: 14px;
    }

    .contact-card strong {
      display: block;
      margin-bottom: 8px;
      font-size: 18px;
    }

    .contact-card a,
    .contact-card span {
      color: var(--muted);
      word-break: break-word;
    }

    .cta {
      background: linear-gradient(120deg, var(--orange), #fb923c);
      color: white;
      padding: 52px 0;
    }

    .cta-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 26px;
    }

    .cta h2 {
      margin: 0 0 8px;
      font-size: clamp(28px, 4vw, 40px);
    }

    .cta p {
      margin: 0;
      color: #fff7ed;
    }

    .footer {
      background: var(--navy);
      color: #cbd5e1;
      padding: 54px 0 26px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr 1fr 1fr 1fr;
      gap: 30px;
    }

    .footer h3,
    .footer h4 {
      color: white;
      margin-top: 0;
    }

    .footer p {
      margin: 8px 0;
    }

    .footer a {
      color: #cbd5e1;
      text-decoration: none;
    }

    .footer a:hover {
      color: white;
      text-decoration: underline;
    }

    .footer-connect-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .footer-connect-list li {
      margin-bottom: 10px;
    }

    .copyright {
      border-top: 1px solid rgba(255,255,255,0.12);
      margin-top: 34px;
      padding-top: 18px;
      color: #94a3b8;
      font-size: 14px;
    }

    .float-bar {
      position: fixed;
      right: 28px;
      bottom: 38px;
      display: flex;
      flex-direction: column;
      gap: 16px;
      z-index: 1050;
      align-items: flex-end;
    }

    .float-btn {
      width: 58px;
      height: 58px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      cursor: pointer;
      box-shadow: 0 8px 25px rgba(0,0,0,0.25);
      transition: 0.25s ease;
      border: 3px solid rgba(255,255,255,0.2);
      font-size: 27px;
    }

    .float-btn:hover {
      transform: translateY(-4px) scale(1.03);
    }

    .float-mail {
      background: linear-gradient(135deg, #ef4444, #dc2626);
    }

    .float-wa {
      background: linear-gradient(135deg, #25D366, #128C7E);
    }

    .float-phone {
      background: linear-gradient(135deg, #2563eb, #1d4ed8);
    }

    .contact-modal-mask {
      position: fixed;
      inset: 0;
      background: rgba(15, 23, 42, 0.55);
      z-index: 2000;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 20px;
    }

    .contact-modal-mask.show {
      display: flex;
    }

    .contact-modal {
      width: min(420px, 100%);
      background: white;
      border-radius: 18px;
      padding: 28px;
      text-align: center;
      box-shadow: 0 28px 80px rgba(0,0,0,0.28);
    }

    .contact-modal-icon {
      font-size: 46px;
      color: #25D366;
      margin-bottom: 12px;
    }

    .contact-modal h3 {
      margin: 0 0 10px;
      color: #0f172a;
    }

    .contact-modal p {
      color: #64748b;
      margin: 0 0 18px;
    }

    .contact-modal-value {
      background: #f8fafc;
      border: 1px solid #e5e7eb;
      border-radius: 12px;
      padding: 12px;
      font-weight: 800;
      color: #111827;
      margin-bottom: 18px;
      word-break: break-word;
    }

    .contact-modal-close {
      background: #0f172a;
      color: white;
      border: 0;
      border-radius: 999px;
      padding: 10px 24px;
      font-weight: 800;
      cursor: pointer;
    }

    @media (max-width: 980px) {
      body {
        padding-top: 78px;
      }

      #top-contact-bar .top-contact-inner {
        justify-content: center;
        text-align: center;
      }

      .top-contact-left {
        display: none;
      }

      #top-contact-inject {
        justify-content: center;
        gap: 10px;
        font-size: 13px;
      }

      .contact-divider {
        display: none;
      }

      .header {
        top: 39px;
      }

      .nav {
        display: none;
      }

      .header .btn {
        display: none;
      }

      .page-hero-inner,
      .rfq-box,
      .cta-inner {
        grid-template-columns: 1fr;
        display: grid;
      }

      .grid-4,
      .grid-3,
      .grid-2,
      .rfq-list,
      .footer-grid,
      .dropdown-grid {
        grid-template-columns: 1fr;
      }

      .product-overview-grid .product-img-box {
        min-height: 0;
        aspect-ratio: 4 / 3;
      }

      .product-overview-grid .content-box {
        padding-right: 64px;
      }

      .section-head {
        display: block;
      }

      .page-hero {
        padding: 58px 0;
      }

      .section {
        padding: 56px 0;
      }

      .header-inner {
        height: 68px;
      }

      .float-bar {
        right: 16px;
        bottom: 20px;
        gap: 12px;
      }

      .float-btn {
        width: 52px;
        height: 52px;
        font-size: 24px;
      }

      .dropdown {
        display: none;
      }
    }