:root {
      --color-bg: #f6f8fb;
      --color-surface: #FFFFFF;
      --color-surface-soft: #f0f5fa;
      --color-surface-strong: #e5edf5;
      --color-text: #202830;
      --color-text-muted: #5c6875;
      --color-line: #d8e2ed;
      --color-primary: #004f9a;
      --color-primary-dark: #003d78;
      --color-primary-soft: #e5f1fc;
      --color-accent: #0077b9;
      --color-accent-soft: #e8f3fc;
      --color-ink: #102e4c;
      --color-white: #FFFFFF;
      --radius-sm: 6px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --shadow-soft: 0 18px 48px rgba(32,40,48, 0.10);
      --container: 1200px;
      --font-sans: "Aptos", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
      --font-mono: "SFMono-Regular", "Roboto Mono", Consolas, monospace;
      --header-height: 72px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      min-width: 320px;
      max-width: 100%;
      overflow-x: hidden;
      scroll-behavior: smooth;
      background: var(--color-bg);
      color: var(--color-text);
      font-family: var(--font-sans);
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    body {
      min-height: 100dvh;
      margin: 0;
      max-width: 100%;
      overflow-x: hidden;
      background:
        linear-gradient(180deg, rgba(229,238,248, 0.78), rgba(246,248,251, 0) 360px),
        var(--color-bg);
      color: var(--color-text);
    }

    body.is-overlay-open,
    body.is-drawer-open,
    body.is-cart-open {
      overflow: hidden;
    }

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

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

    button,
    input,
    select,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    .skip-link {
      position: fixed;
      top: 10px;
      left: 10px;
      z-index: 200;
      padding: 10px 14px;
      border-radius: var(--radius-md);
      background: var(--color-ink);
      color: var(--color-white);
      transform: translateY(-150%);
    }

    .skip-link:focus {
      transform: translateY(0);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      height: var(--header-height);
      border-bottom: 1px solid rgba(216,226,237, 0.94);
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(18px);
    }

    .header-inner {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr) auto;
      align-items: center;
      gap: 18px;
      width: min(100%, 1360px);
      height: 100%;
      margin: 0 auto;
      padding: 0 24px;
    }

    .brand-link {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
    }

    .brand-logo {
      width: 148px;
      height: auto;
    }

    .primary-nav {
      display: flex;
      align-items: center;
      justify-content: center;
      min-width: 0;
      gap: 2px;
      white-space: nowrap;
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 12px;
      border: 0;
      border-radius: var(--radius-sm);
      background: transparent;
      color: var(--color-text);
      font-size: 14px;
      font-weight: 700;
      letter-spacing: 0;
      transition: background 160ms ease, color 160ms ease;
    }

    .nav-link:hover,
    .nav-link:focus-visible,
    .nav-link[aria-expanded="true"],
    .nav-link.is-current {
      background: var(--color-primary-soft);
      color: var(--color-primary-dark);
      outline: none;
    }

    .nav-link.has-panel::after {
      content: "";
      width: 6px;
      height: 6px;
      margin-left: 7px;
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      transform: rotate(45deg) translateY(-2px);
      transition: transform 160ms ease;
    }

    .nav-link.has-panel[aria-expanded="true"]::after {
      transform: rotate(225deg) translateY(-1px);
    }

    .header-actions {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 8px;
      min-width: 0;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 16px;
      border: 1px solid transparent;
      border-radius: var(--radius-sm);
      font-size: 14px;
      font-weight: 800;
      line-height: 1.2;
      white-space: nowrap;
      transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
    }

    .btn:active {
      transform: translateY(1px);
    }

    .btn-primary {
      background: var(--color-primary);
      color: var(--color-white);
      border-color: var(--color-primary);
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      background: var(--color-primary-dark);
      border-color: var(--color-primary-dark);
      outline: none;
    }

    .btn-light {
      background: var(--color-surface);
      color: var(--color-primary-dark);
      border-color: var(--color-line);
    }

    .btn-light:hover,
    .btn-light:focus-visible {
      border-color: rgba(0,79,154, 0.38);
      background: var(--color-primary-soft);
      outline: none;
    }

    .btn-dark {
      background: var(--color-ink);
      color: var(--color-white);
      border-color: var(--color-ink);
    }

    .icon-button {
      position: relative;
      display: inline-grid;
      place-items: center;
      width: 40px;
      height: 40px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      background: var(--color-surface);
      color: var(--color-text);
      transition: background 160ms ease, border-color 160ms ease;
    }

    .icon-button:hover,
    .icon-button:focus-visible {
      border-color: rgba(0,79,154, 0.36);
      background: var(--color-primary-soft);
      outline: none;
    }

    .search-glyph {
      position: relative;
      width: 18px;
      height: 18px;
      border: 2px solid currentColor;
      border-radius: 999px;
    }

    .search-glyph::after {
      content: "";
      position: absolute;
      right: -6px;
      bottom: -5px;
      width: 8px;
      height: 2px;
      border-radius: 999px;
      background: currentColor;
      transform: rotate(45deg);
      transform-origin: left center;
    }

    .cart-glyph {
      position: relative;
      width: 20px;
      height: 18px;
      border: 2px solid currentColor;
      border-top: 0;
      border-radius: 0 0 4px 4px;
    }

    .cart-glyph::before {
      content: "";
      position: absolute;
      top: -6px;
      left: 3px;
      width: 10px;
      height: 8px;
      border: 2px solid currentColor;
      border-bottom: 0;
      border-radius: 999px 999px 0 0;
    }

    .cart-glyph::after {
      content: "";
      position: absolute;
      left: 4px;
      right: 4px;
      top: 6px;
      height: 2px;
      background: currentColor;
      opacity: 0.55;
    }

    .cart-count {
      position: absolute;
      top: -7px;
      right: -7px;
      display: grid;
      place-items: center;
      min-width: 20px;
      height: 20px;
      padding: 0 5px;
      border: 2px solid var(--color-white);
      border-radius: 999px;
      background: var(--color-accent);
      color: var(--color-white);
      font-size: 11px;
      font-weight: 850;
      line-height: 1;
    }

    .language-switcher,
    .mobile-language-switcher {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .language-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 36px;
      padding: 0 9px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      background: var(--color-surface);
      color: var(--color-text);
      font-size: 12px;
      font-weight: 800;
    }

    .flag-icon {
      width: 18px;
      height: 12px;
      border: 1px solid rgba(32,40,48, 0.20);
      box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.55) inset;
    }

    .flag-en {
      background:
        linear-gradient(90deg, transparent 42%, #C8102E 42% 58%, transparent 58%),
        linear-gradient(0deg, transparent 38%, #C8102E 38% 62%, transparent 62%),
        #012169;
    }

    .flag-zh {
      background:
        radial-gradient(circle at 23% 28%, #FFDE00 0 12%, transparent 13%),
        #DE2910;
    }

    .mobile-menu-button {
      display: none;
    }

    .menu-lines {
      position: relative;
      width: 18px;
      height: 12px;
      border-top: 2px solid currentColor;
      border-bottom: 2px solid currentColor;
    }

    .menu-lines::before {
      content: "";
      position: absolute;
      left: 0;
      top: 3px;
      width: 18px;
      height: 2px;
      background: currentColor;
    }

    .mega-layer {
      position: fixed;
      top: var(--header-height);
      left: 0;
      right: 0;
      z-index: 70;
      pointer-events: none;
    }

    .mega-panel {
      position: absolute;
      left: 50%;
      display: none;
      width: min(calc(100vw - 32px), 1200px);
      max-height: calc(100dvh - var(--header-height) - 18px);
      overflow: auto;
      border: 1px solid var(--color-line);
      border-radius: 0 0 var(--radius-lg) var(--radius-lg);
      background: rgba(255, 255, 255, 0.98);
      box-shadow: 0 24px 60px rgba(32,40,48, 0.14);
      transform: translateX(-50%);
      pointer-events: auto;
    }

    .mega-panel.is-active {
      display: block;
    }

    .mega-shell {
      display: grid;
      grid-template-columns: 300px minmax(0, 1fr);
      gap: 22px;
      padding: 24px;
    }

    .mega-intro {
      display: grid;
      align-content: start;
      gap: 16px;
      padding: 20px;
      border-radius: var(--radius-md);
      background: var(--color-surface-soft);
    }

    .mega-intro h2,
    .mega-intro p {
      margin: 0;
    }

    .mega-intro h2 {
      font-size: 30px;
      line-height: 1.05;
    }

    .mega-intro p {
      color: var(--color-text-muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .mega-image {
      min-height: 170px;
      overflow: hidden;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: var(--color-surface);
    }

    .mega-image img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      padding: 18px;
    }

    .mega-note {
      display: grid;
      gap: 4px;
      padding-top: 12px;
      border-top: 1px solid var(--color-line);
    }

    .mega-note strong {
      font-size: 13px;
    }

    .mega-note span {
      color: var(--color-text-muted);
      font-size: 13px;
      line-height: 1.45;
    }

    .mega-columns {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }

    .mega-column {
      min-width: 0;
      padding: 18px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: var(--color-surface);
    }

    .mega-column h3 {
      margin: 0 0 12px;
      font-size: 15px;
      line-height: 1.2;
    }

    .menu-list {
      display: grid;
      gap: 4px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .menu-link,
    .cta-link {
      display: grid;
      gap: 3px;
      min-height: 46px;
      padding: 9px 10px;
      border-radius: var(--radius-sm);
      color: var(--color-text);
      transition: background 160ms ease, color 160ms ease;
    }

    .menu-link:hover,
    .menu-link:focus-visible,
    .cta-link:hover,
    .cta-link:focus-visible {
      background: var(--color-primary-soft);
      color: var(--color-primary-dark);
      outline: none;
    }

    .menu-link span,
    .cta-link {
      font-size: 14px;
      font-weight: 780;
      line-height: 1.25;
    }

    .menu-link small {
      color: var(--color-text-muted);
      font-size: 12px;
      line-height: 1.35;
    }

    .search-panel {
      position: fixed;
      top: var(--header-height);
      left: 0;
      right: 0;
      z-index: 75;
      display: none;
      border-bottom: 1px solid var(--color-line);
      background: rgba(255, 255, 255, 0.98);
      box-shadow: 0 20px 50px rgba(32,40,48, 0.12);
    }

    .search-panel.is-open {
      display: block;
    }

    .search-shell {
      display: grid;
      gap: 14px;
      width: min(100% - 48px, var(--container));
      margin: 0 auto;
      padding: 22px 0;
    }

    .search-form {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 10px;
    }

    .search-form input,
    .mobile-search-form input {
      width: 100%;
      min-height: 46px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      padding: 0 13px;
      color: var(--color-text);
      background: var(--color-surface);
      outline: none;
    }

    .search-topics {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .topic-chip {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 11px;
      border: 1px solid var(--color-line);
      border-radius: 999px;
      background: var(--color-surface-soft);
      color: var(--color-text-muted);
      font-size: 13px;
      font-weight: 700;
    }

    .mobile-drawer {
      position: fixed;
      inset: var(--header-height) 0 0 auto;
      z-index: 95;
      display: grid;
      grid-template-rows: 1fr auto;
      width: min(100%, 420px);
      padding: 18px;
      border-left: 1px solid var(--color-line);
      background: var(--color-surface);
      box-shadow: -24px 0 48px rgba(32,40,48, 0.16);
      transform: translateX(104%);
      transition: transform 180ms ease;
    }

    .mobile-drawer.is-open {
      transform: translateX(0);
    }

    .mobile-scroll {
      overflow-y: auto;
      padding-right: 4px;
    }

    .mobile-search-form {
      display: grid;
      gap: 8px;
      margin-bottom: 16px;
    }

    .search-label,
    .mobile-group-title {
      color: var(--color-text);
      font-size: 13px;
      font-weight: 820;
      line-height: 1.2;
    }

    .search-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 42px;
      gap: 8px;
    }

    .search-submit {
      display: grid;
      place-items: center;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      background: var(--color-surface-soft);
      color: var(--color-text);
    }

    .search-helper,
    .mobile-support-line {
      color: var(--color-text-muted);
      font-size: 12px;
      line-height: 1.45;
    }

    .mobile-accordion {
      border-top: 1px solid var(--color-line);
    }

    .mobile-accordion-trigger {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      min-height: 52px;
      border: 0;
      background: transparent;
      color: var(--color-text);
      font-weight: 820;
      text-align: left;
    }

    .mobile-accordion-trigger::after {
      content: "+";
      font-size: 20px;
      line-height: 1;
    }

    .mobile-accordion-trigger[aria-expanded="true"]::after {
      content: "-";
    }

    .mobile-accordion-panel {
      display: none;
      gap: 12px;
      padding-bottom: 14px;
    }

    .mobile-accordion-trigger[aria-expanded="true"] + .mobile-accordion-panel {
      display: grid;
    }

    .mobile-group {
      display: grid;
      gap: 7px;
    }

    .mobile-link,
    .mobile-direct {
      display: flex;
      align-items: center;
      min-height: 40px;
      padding: 9px 10px;
      border-radius: var(--radius-sm);
      background: var(--color-surface-soft);
      color: var(--color-text);
      font-size: 14px;
      font-weight: 700;
      line-height: 1.35;
    }

    .mobile-direct {
      margin-top: 14px;
    }

    .mobile-drawer-foot {
      display: grid;
      gap: 10px;
      padding-top: 16px;
      border-top: 1px solid var(--color-line);
    }

    .mobile-drawer-foot .btn {
      width: 100%;
    }

    .cart-backdrop {
      position: fixed;
      inset: 0;
      z-index: 90;
      background: rgba(10,27,44, 0.28);
      opacity: 0;
      pointer-events: none;
      transition: opacity 180ms ease;
    }

    .cart-backdrop.is-open {
      opacity: 1;
      pointer-events: auto;
    }

    .cart-drawer {
      position: fixed;
      top: 0;
      right: 0;
      z-index: 100;
      display: grid;
      grid-template-rows: auto 1fr auto;
      width: min(100%, 500px);
      height: 100dvh;
      border-left: 1px solid var(--color-line);
      background: var(--color-surface);
      box-shadow: -24px 0 48px rgba(32,40,48, 0.16);
      transform: translateX(104%);
      transition: transform 180ms ease;
    }

    .cart-drawer.is-open {
      transform: translateX(0);
    }

    .cart-header,
    .cart-footer {
      padding: 20px;
      border-bottom: 1px solid var(--color-line);
    }

    .cart-footer {
      border-top: 1px solid var(--color-line);
      border-bottom: 0;
    }

    .cart-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 14px;
    }

    .cart-header h2,
    .cart-header p,
    .section-header h2,
    .section-header p {
      margin: 0;
    }

    .cart-header h2 {
      font-size: 22px;
      line-height: 1.15;
    }

    .cart-header p,
    .cart-empty,
    .cart-note {
      color: var(--color-text-muted);
      font-size: 14px;
      line-height: 1.5;
    }

    .cart-items {
      overflow-y: auto;
      padding: 18px 20px;
    }

    .cart-summary {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
      margin-bottom: 14px;
    }

    .cart-summary-card {
      display: grid;
      gap: 3px;
      min-width: 0;
      padding: 12px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: var(--color-surface-soft);
    }

    .cart-summary-card strong {
      color: var(--color-text);
      font-size: 20px;
      line-height: 1;
    }

    .cart-summary-card span {
      color: var(--color-text-muted);
      font-size: 12px;
      line-height: 1.35;
    }

    .cart-quick-add,
    .cart-request-panel {
      display: grid;
      gap: 10px;
      padding: 14px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: var(--color-surface-soft);
    }

    .cart-quick-add {
      margin-bottom: 14px;
    }

    .cart-quick-add label,
    .cart-field label {
      color: var(--color-text);
      font-size: 13px;
      font-weight: 760;
      line-height: 1.25;
    }

    .cart-quick-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 74px auto;
      gap: 8px;
      align-items: center;
    }

    .cart-quick-row input,
    .cart-field select,
    .cart-field textarea {
      width: 100%;
      min-width: 0;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      background: #FFFFFF;
      color: var(--color-text);
      outline: none;
      transition: border-color 160ms ease, box-shadow 160ms ease;
    }

    .cart-quick-row input {
      height: 42px;
      padding: 0 11px;
    }

    .cart-field {
      display: grid;
      gap: 7px;
    }

    .cart-field select {
      height: 42px;
      padding: 0 11px;
    }

    .cart-field textarea {
      min-height: 84px;
      resize: vertical;
      padding: 10px 11px;
      line-height: 1.45;
    }

    .cart-quick-row input:focus,
    .cart-field select:focus,
    .cart-field textarea:focus,
    .request-form input:focus,
    .request-form textarea:focus,
    .filter-search input:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 0 3px rgba(0,79,154, 0.12);
    }

    .cart-helper,
    .cart-status {
      color: var(--color-text-muted);
      font-size: 12px;
      line-height: 1.45;
    }

    .cart-item {
      display: grid;
      grid-template-columns: 64px 1fr;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px solid var(--color-line);
    }

    .cart-item-thumb {
      display: grid;
      place-items: center;
      width: 64px;
      height: 64px;
      overflow: hidden;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: var(--color-surface-soft);
    }

    .cart-item-thumb img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      padding: 5px;
    }

    .cart-item-thumb span {
      color: var(--color-primary-dark);
      font-size: 11px;
      font-weight: 820;
      text-align: center;
      line-height: 1.1;
    }

    .cart-item strong {
      display: block;
      margin-bottom: 8px;
      font-size: 14px;
      line-height: 1.3;
    }

    .cart-item small {
      display: block;
      margin: -4px 0 8px;
      color: var(--color-text-muted);
      font-size: 12px;
      line-height: 1.35;
    }

    .cart-controls {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
    }

    .cart-control {
      min-width: 30px;
      height: 30px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      background: var(--color-surface);
      color: var(--color-text);
      font-weight: 800;
      cursor: pointer;
    }

    .cart-qty {
      min-width: 22px;
      text-align: center;
      color: var(--color-text);
      font-size: 14px;
      font-weight: 760;
    }

    .cart-remove {
      border: 0;
      background: transparent;
      color: var(--color-text-muted);
      font-size: 13px;
      text-decoration: underline;
      cursor: pointer;
    }

    .cart-empty {
      display: none;
      padding: 18px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: var(--color-surface-soft);
    }

    .cart-empty strong,
    .cart-empty span {
      display: block;
    }

    .cart-empty strong {
      margin-bottom: 5px;
      color: var(--color-text);
      font-size: 14px;
    }

    .cart-empty.is-visible {
      display: block;
    }

    .cart-actions {
      display: grid;
      gap: 10px;
    }

    .cart-secondary-actions {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px;
    }

    .cart-secondary-actions .btn:last-child {
      grid-column: 1 / -1;
    }

    .cart-actions .btn[aria-disabled="true"],
    .cart-actions .btn:disabled {
      opacity: 0.52;
      pointer-events: none;
    }

    .site-main {
      overflow: hidden;
      background:
        linear-gradient(180deg, #f6f8fb 0, #FFFFFF 54%, #f0f5fa 100%);
    }

    .product-hero {
      position: relative;
      overflow: hidden;
      background:
        linear-gradient(120deg, rgba(16,46,76, 0.96), rgba(0,61,120, 0.88)),
        var(--color-ink);
      color: var(--color-white);
    }

    .product-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
      background-size: 44px 44px;
      opacity: 0.24;
      pointer-events: none;
    }

    .hero-shell {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(420px, 0.78fr);
      gap: 44px;
      align-items: stretch;
      width: min(100% - 48px, var(--container));
      min-height: 560px;
      margin: 0 auto;
      padding: 82px 0 64px;
    }

    .hero-copy {
      display: grid;
      align-content: center;
      gap: 22px;
      min-width: 0;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      gap: 7px;
      color: rgba(255, 255, 255, 0.72);
      font-size: 13px;
      line-height: 1.4;
    }

    .breadcrumb a {
      color: rgba(255, 255, 255, 0.86);
      font-weight: 760;
    }

    .breadcrumb span::before {
      content: "/";
      margin-right: 7px;
      opacity: 0.56;
    }

    .hero-copy h1 {
      max-width: 720px;
      margin: 0;
      font-size: clamp(42px, 5.1vw, 72px);
      line-height: 0.98;
      letter-spacing: 0;
    }

    .hero-copy p {
      max-width: 620px;
      margin: 0;
      color: rgba(255, 255, 255, 0.78);
      font-size: 18px;
      line-height: 1.58;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .hero-actions .btn-light {
      background: rgba(255, 255, 255, 0.10);
      color: var(--color-white);
      border-color: rgba(255, 255, 255, 0.28);
    }

    .hero-proof {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1px;
      max-width: 640px;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, 0.10);
    }

    .hero-proof div {
      display: grid;
      gap: 5px;
      padding: 16px;
      background: rgba(255, 255, 255, 0.06);
    }

    .hero-proof strong {
      font-size: 24px;
      line-height: 1;
    }

    .hero-proof span {
      color: rgba(255, 255, 255, 0.68);
      font-size: 12px;
      line-height: 1.4;
    }

    .hero-visual {
      position: relative;
      display: grid;
      grid-template-rows: 1fr auto;
      min-width: 0;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, 0.94);
      color: var(--color-text);
      box-shadow: 0 34px 78px rgba(0, 0, 0, 0.22);
    }

    .hero-visual img {
      width: 100%;
      height: 100%;
      min-height: 360px;
      object-fit: contain;
      padding: 36px;
      background:
        linear-gradient(145deg, rgba(229,241,252, 0.80), rgba(255, 255, 255, 0.96)),
        var(--color-white);
    }

    .rfq-flow {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1px;
      border-top: 1px solid var(--color-line);
      background: var(--color-line);
    }

    .rfq-flow span {
      display: grid;
      gap: 6px;
      min-height: 108px;
      padding: 16px;
      background: var(--color-surface);
      color: var(--color-text-muted);
      font-size: 12px;
      line-height: 1.38;
    }

    .rfq-flow strong {
      color: var(--color-primary-dark);
      font-size: 13px;
      line-height: 1.2;
    }

    .section {
      padding: clamp(76px, 7vw, 118px) 0;
    }

    .section-shell {
      width: min(100% - 48px, var(--container));
      margin: 0 auto;
    }

    .section-header {
      display: grid;
      gap: 14px;
      max-width: 760px;
      margin-bottom: 34px;
    }

    .section-header.center {
      margin-right: auto;
      margin-left: auto;
      text-align: center;
    }

    .section-header h2 {
      font-size: clamp(32px, 4vw, 52px);
      line-height: 1.02;
      letter-spacing: 0;
    }

    .section-header p {
      color: var(--color-text-muted);
      font-size: 17px;
      line-height: 1.62;
    }

    .catalog-toolbar {
      position: sticky;
      top: var(--header-height);
      z-index: 35;
      border-top: 1px solid var(--color-line);
      border-bottom: 1px solid var(--color-line);
      background: rgba(246,248,251, 0.96);
      backdrop-filter: blur(18px);
    }

    .toolbar-shell {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 16px;
      align-items: center;
      width: min(100% - 48px, var(--container));
      margin: 0 auto;
      padding: 14px 0;
    }

    .filter-tabs {
      display: flex;
      gap: 8px;
      overflow-x: auto;
      padding-bottom: 2px;
      scrollbar-width: thin;
    }

    .filter-tab {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 14px;
      border: 1px solid var(--color-line);
      border-radius: 999px;
      background: var(--color-surface);
      color: var(--color-text);
      font-size: 13px;
      font-weight: 800;
      white-space: nowrap;
      transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
    }

    .filter-tab.is-active,
    .filter-tab:hover,
    .filter-tab:focus-visible {
      border-color: rgba(0,79,154, 0.36);
      background: var(--color-primary);
      color: var(--color-white);
      outline: none;
    }

    .filter-search {
      position: relative;
      min-width: 0;
    }

    .filter-search input {
      width: 100%;
      height: 42px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      padding: 0 12px 0 38px;
      background: var(--color-surface);
      color: var(--color-text);
      outline: none;
    }

    .filter-search .search-glyph {
      position: absolute;
      top: 12px;
      left: 13px;
      width: 14px;
      height: 14px;
      color: var(--color-text-muted);
      border-width: 1.7px;
    }

    .filter-search .search-glyph::after {
      right: -5px;
      bottom: -4px;
      width: 7px;
      height: 1.7px;
    }

    .catalog-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 24px;
      align-items: start;
    }

    .catalog-main {
      min-width: 0;
    }

    .catalog-status {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 18px;
      padding: 14px 16px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: var(--color-surface);
    }

    .catalog-status strong {
      font-size: 15px;
      line-height: 1.25;
    }

    .catalog-status span {
      color: var(--color-text-muted);
      font-size: 13px;
      line-height: 1.4;
    }

    .product-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
      align-items: stretch;
    }

    .product-card {
      display: grid;
      grid-template-rows: 230px 1fr;
      min-width: 0;
      min-height: 620px;
      overflow: hidden;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-lg);
      background: var(--color-surface);
      box-shadow: 0 1px 0 rgba(32,40,48, 0.02);
      transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
    }

    .product-card:hover {
      border-color: rgba(0,79,154, 0.30);
      box-shadow: var(--shadow-soft);
      transform: translateY(-2px);
    }

    .product-card.is-hidden {
      display: none;
    }

    .product-media {
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--color-line);
      background:
        linear-gradient(145deg, rgba(229,241,252, 0.88), rgba(255, 255, 255, 0.96)),
        var(--color-surface-soft);
    }

    .product-media img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      padding: 26px 28px;
      transition: transform 220ms ease;
    }

    .product-card:hover .product-media img {
      transform: scale(1.025);
    }

    .product-badges {
      position: absolute;
      top: 14px;
      left: 14px;
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      max-width: calc(100% - 28px);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 0 8px;
      border: 1px solid rgba(0,79,154, 0.20);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.88);
      color: var(--color-primary-dark);
      font-size: 11px;
      font-weight: 820;
      line-height: 1;
    }

    .product-body {
      display: grid;
      grid-template-rows: auto auto 1fr auto;
      gap: 14px;
      min-width: 0;
      padding: 20px;
    }

    .product-title {
      display: grid;
      gap: 8px;
    }

    .product-title small {
      color: var(--color-primary-dark);
      font-size: 12px;
      font-weight: 860;
      line-height: 1.25;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    .product-title h3 {
      margin: 0;
      font-size: 22px;
      line-height: 1.12;
      letter-spacing: 0;
    }

    .product-body p {
      margin: 0;
      color: var(--color-text-muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .spec-list {
      display: grid;
      gap: 7px;
      margin: 0;
      padding: 0;
      list-style: none;
      align-content: start;
    }

    .spec-list li {
      display: grid;
      grid-template-columns: 118px minmax(0, 1fr);
      gap: 8px;
      min-width: 0;
      padding: 7px 0;
      border-top: 1px solid var(--color-line);
      color: var(--color-text);
      font-size: 13px;
      line-height: 1.35;
    }

    .spec-list span {
      color: var(--color-text-muted);
    }

    .product-actions {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      gap: 10px;
      align-items: center;
      padding-top: 2px;
    }

    .qty-control {
      display: grid;
      grid-template-columns: 34px 48px 34px;
      align-items: center;
      height: 42px;
      overflow: hidden;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      background: var(--color-surface-soft);
    }

    .qty-control button {
      height: 40px;
      border: 0;
      background: transparent;
      color: var(--color-text);
      font-size: 17px;
      font-weight: 820;
    }

    .qty-control input {
      width: 48px;
      height: 40px;
      border: 0;
      border-right: 1px solid var(--color-line);
      border-left: 1px solid var(--color-line);
      background: var(--color-surface);
      color: var(--color-text);
      font-size: 14px;
      font-weight: 800;
      text-align: center;
      appearance: textfield;
    }

    .qty-control input::-webkit-outer-spin-button,
    .qty-control input::-webkit-inner-spin-button {
      margin: 0;
      appearance: none;
    }

    .product-actions .btn-primary {
      width: 100%;
    }

    .product-foot {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 14px;
      align-items: center;
      justify-content: space-between;
      padding-top: 12px;
      border-top: 1px solid var(--color-line);
    }

    .compare-label {
      display: inline-flex;
      gap: 8px;
      align-items: center;
      color: var(--color-text-muted);
      font-size: 13px;
      font-weight: 720;
      line-height: 1.3;
    }

    .compare-label input {
      width: 16px;
      height: 16px;
      accent-color: var(--color-primary);
    }

    .doc-link {
      color: var(--color-primary-dark);
      font-size: 13px;
      font-weight: 820;
    }

    .catalog-aside {
      position: sticky;
      top: calc(var(--header-height) + 82px);
      display: grid;
      gap: 14px;
    }

    .side-panel {
      display: grid;
      gap: 14px;
      padding: 18px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-lg);
      background: var(--color-surface);
      box-shadow: 0 16px 44px rgba(32,40,48, 0.08);
    }

    .side-panel h3,
    .side-panel p {
      margin: 0;
    }

    .side-panel h3 {
      font-size: 20px;
      line-height: 1.12;
    }

    .side-panel p {
      color: var(--color-text-muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .side-metrics {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px;
    }

    .side-metrics div {
      display: grid;
      gap: 4px;
      padding: 12px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-md);
      background: var(--color-surface-soft);
    }

    .side-metrics strong {
      color: var(--color-primary-dark);
      font-size: 22px;
      line-height: 1;
    }

    .side-metrics span {
      color: var(--color-text-muted);
      font-size: 12px;
      line-height: 1.35;
    }

    .selected-list {
      display: grid;
      gap: 8px;
      min-height: 78px;
      padding: 10px;
      border: 1px dashed rgba(0,79,154, 0.38);
      border-radius: var(--radius-md);
      background: var(--color-primary-soft);
    }

    .selected-list span,
    .selected-list a {
      color: var(--color-primary-dark);
      font-size: 12px;
      font-weight: 760;
      line-height: 1.35;
    }

    .selected-list.is-empty {
      color: var(--color-text-muted);
      background: var(--color-surface-soft);
      border-color: var(--color-line);
    }

    .empty-results {
      display: none;
      padding: 30px;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-lg);
      background: var(--color-surface);
      color: var(--color-text-muted);
      text-align: center;
      line-height: 1.55;
    }

    .empty-results.is-visible {
      display: block;
    }

    .process-band {
      background: var(--color-ink);
      color: var(--color-white);
    }

    .process-band .section-header p {
      color: rgba(255, 255, 255, 0.72);
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.16);
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, 0.08);
    }

    .process-step {
      position: relative;
      display: grid;
      gap: 10px;
      min-height: 235px;
      padding: 22px;
      border-right: 1px solid rgba(255, 255, 255, 0.14);
    }

    .process-step:last-child {
      border-right: 0;
    }

    .process-step strong {
      color: var(--color-white);
      font-size: 13px;
      line-height: 1.2;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    .process-step h3 {
      margin: 0;
      color: var(--color-white);
      font-size: 19px;
      line-height: 1.16;
    }

    .process-step p {
      margin: 0;
      color: rgba(255, 255, 255, 0.68);
      font-size: 13px;
      line-height: 1.55;
    }

    .process-step a {
      align-self: end;
      color: #a9ddfc;
      font-size: 13px;
      font-weight: 820;
    }

    .request-section {
      background: var(--color-surface-soft);
    }

    .request-layout {
      display: grid;
      grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1fr);
      gap: 24px;
      align-items: stretch;
    }

    .request-copy,
    .request-form {
      border: 1px solid var(--color-line);
      border-radius: var(--radius-lg);
      background: var(--color-surface);
    }

    .request-copy {
      display: grid;
      align-content: space-between;
      gap: 28px;
      padding: 28px;
    }

    .request-copy h2,
    .request-copy p {
      margin: 0;
    }

    .request-copy h2 {
      font-size: clamp(32px, 4vw, 50px);
      line-height: 1.02;
      letter-spacing: 0;
    }

    .request-copy p {
      color: var(--color-text-muted);
      font-size: 16px;
      line-height: 1.62;
    }

    .request-checklist {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .request-checklist li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--color-text);
      font-size: 14px;
      line-height: 1.45;
    }

    .request-checklist li::before {
      content: "";
      width: 8px;
      height: 8px;
      margin-top: 7px;
      border-radius: 999px;
      background: var(--color-primary);
      flex: 0 0 auto;
    }

    .request-form {
      display: grid;
      gap: 16px;
      padding: 24px;
    }

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

    .field {
      display: grid;
      gap: 7px;
    }

    .field.full {
      grid-column: 1 / -1;
    }

    .field label {
      color: var(--color-text);
      font-size: 13px;
      font-weight: 780;
      line-height: 1.25;
    }

    .field input,
    .field textarea {
      width: 100%;
      min-width: 0;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-sm);
      background: var(--color-surface);
      color: var(--color-text);
      outline: none;
    }

    .field input {
      height: 44px;
      padding: 0 12px;
    }

    .field textarea {
      min-height: 144px;
      resize: vertical;
      padding: 11px 12px;
      line-height: 1.5;
    }

    .form-helper {
      margin: 0;
      color: var(--color-text-muted);
      font-size: 12px;
      line-height: 1.45;
    }

    .site-footer {
      background: var(--color-ink);
      color: rgba(255, 255, 255, 0.72);
    }

    .footer-shell {
      display: grid;
      gap: 34px;
      width: min(100% - 48px, var(--container));
      margin: 0 auto;
      padding: 54px 0 28px;
    }

    .footer-cta {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
      padding: 24px;
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, 0.06);
    }

    .footer-cta h2,
    .footer-cta p {
      margin: 0;
    }

    .footer-cta h2 {
      color: var(--color-white);
      font-size: 28px;
      line-height: 1.12;
    }

    .footer-cta p {
      margin-top: 8px;
      max-width: 680px;
      font-size: 14px;
      line-height: 1.55;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr repeat(4, minmax(0, 1fr));
      gap: 28px;
    }

    .footer-brand {
      display: grid;
      gap: 12px;
      align-content: start;
      min-width: 0;
    }

    .footer-brand img {
      width: 166px;
      filter: brightness(0) invert(1);
    }

    .footer-brand strong {
      color: var(--color-white);
      line-height: 1.35;
    }

    .footer-brand p {
      margin: 0;
      font-size: 13px;
      line-height: 1.55;
    }

    .footer-column {
      display: grid;
      gap: 10px;
      align-content: start;
      min-width: 0;
    }

    .footer-column strong {
      color: var(--color-white);
      font-size: 14px;
    }

    .footer-column a,
    .footer-bottom-links a {
      color: rgba(255, 255, 255, 0.70);
      font-size: 13px;
      line-height: 1.35;
    }

    .footer-column a:hover,
    .footer-bottom-links a:hover {
      color: var(--color-white);
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      gap: 14px 22px;
      align-items: center;
      justify-content: space-between;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      font-size: 13px;
      line-height: 1.5;
    }

    .footer-bottom-links {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .reveal,
    .reveal.is-visible {
      opacity: 1;
      transform: translateY(0);
      transition: opacity 520ms ease, transform 520ms ease;
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }

      *,
      *::before,
      *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.001ms !important;
      }

      .reveal {
        opacity: 1;
        transform: none;
      }
    }

    @media (max-width: 1180px) {
      .primary-nav {
        display: none;
      }

      .mega-layer {
        display: none;
      }

      .language-switcher,
      .header-actions > .btn-primary {
        display: none;
      }

      .mobile-menu-button {
        display: inline-flex;
      }

      .header-inner {
        grid-template-columns: auto 1fr auto;
      }

      .header-actions {
        justify-self: end;
      }

      .hero-shell,
      .catalog-layout,
      .request-layout,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .hero-shell {
        min-height: auto;
      }

      .catalog-aside {
        position: static;
        order: 0;
      }

      .catalog-main {
        order: -1;
      }

      .toolbar-shell {
        grid-template-columns: 1fr;
      }

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

      .process-step {
        border-bottom: 1px solid rgba(255, 255, 255, 0.14);
      }

      .process-step:nth-child(2n) {
        border-right: 0;
      }

      .footer-cta {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 760px) {
      :root {
        --header-height: 66px;
      }

      .header-inner {
        gap: 8px;
        padding: 0 10px;
      }

      .brand-logo {
        width: 112px;
      }

      .header-actions {
        gap: 5px;
      }

      .icon-button {
        width: 34px;
        height: 34px;
      }

      .cart-count {
        top: -5px;
        right: -5px;
      }

      .hero-shell,
      .section-shell,
      .toolbar-shell,
      .footer-shell,
      .search-shell {
        width: min(100% - 32px, var(--container));
      }

      .hero-shell {
        gap: 26px;
        padding: 46px 0 38px;
      }

      .hero-copy h1 {
        font-size: 36px;
        line-height: 1.04;
      }

      .hero-copy p {
        font-size: 16px;
      }

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

      .hero-proof div {
        padding: 10px;
      }

      .hero-proof strong {
        font-size: 19px;
      }

      .hero-proof span {
        font-size: 10.5px;
        line-height: 1.3;
      }

      .hero-visual img {
        min-height: 210px;
        padding: 20px;
      }

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

      .rfq-flow span {
        min-height: 92px;
        padding: 10px;
        font-size: 10.5px;
        line-height: 1.3;
      }

      .rfq-flow strong {
        font-size: 11px;
      }

      .section {
        padding: 62px 0;
      }

      .section-header h2 {
        font-size: 32px;
      }

      .catalog-toolbar {
        position: static;
      }

      .product-grid,
      .process-grid,
      .form-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .product-card {
        grid-template-rows: 210px 1fr;
        min-height: auto;
      }

      .product-body {
        grid-template-rows: auto;
      }

      .spec-list li {
        grid-template-columns: 1fr;
        gap: 4px;
      }

      .product-actions {
        grid-template-columns: 1fr;
      }

      .qty-control {
        width: 116px;
      }

      .side-metrics {
        grid-template-columns: 1fr;
      }

      .process-step,
      .process-step:nth-child(2n) {
        border-right: 0;
        min-height: auto;
      }

      .request-layout {
        gap: 16px;
      }

      .request-copy,
      .request-form {
        padding: 20px;
      }

      .cart-drawer {
        width: 100%;
      }

      .cart-summary,
      .cart-secondary-actions {
        grid-template-columns: 1fr;
      }

      .cart-quick-row {
        grid-template-columns: 1fr 78px;
      }

      .cart-quick-row .btn {
        grid-column: 1 / -1;
      }

      .search-form {
        grid-template-columns: 1fr;
      }
    }
  
    .primary-nav .nav-link { text-decoration: none; }
    .mobile-parent-row { display: grid; grid-template-columns: minmax(0, 1fr) 48px; align-items: stretch; border-bottom: 1px solid var(--color-line); }
    .mobile-parent-link { display: flex; align-items: center; min-height: 54px; color: var(--color-text); font-weight: 750; text-decoration: none; }
    .mobile-parent-link:hover, .mobile-parent-link:focus-visible { color: var(--color-primary-dark); outline: none; }
    .mobile-parent-row .mobile-accordion-trigger { width: 48px; min-height: 54px; display: flex; align-items: center; justify-content: center; padding: 0; border: 0; border-left: 1px solid var(--color-line); background: transparent; color: var(--color-text); }
    .mobile-parent-row:has(.mobile-accordion-trigger[aria-expanded="true"]) + .mobile-accordion-panel { display: block; }
    
  
/* Shared inner-page navigation */
:root { --header-height: 72px; }

/* Keep the viewport as the sticky header's scrolling ancestor. */
html, body { overflow-x: clip; }
.mega-panel { display: block; width: auto; overflow-x: visible; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.mega-intro { padding: 0; border: 0; background: transparent; }
.mega-image, .mega-note { border: 0; }
.mega-layer .menu-link:hover, .mega-layer .menu-link:focus-visible { transform: none; }
.mega-layer .cta-link { min-height: 0; border: 0; border-bottom: 1px solid rgba(255,255,255,.18); border-radius: 0; background: transparent; }
.mega-layer .cta-link::after { display: none; }
.mega-layer .cta-link:hover, .mega-layer .cta-link:focus-visible { transform: none; }
.mobile-drawer { left: auto; overflow-y: visible; padding: 0; border-top: 0; }
.mobile-accordion { border-bottom: 0; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 200; padding: 10px 14px; border-radius: var(--radius-md); background: var(--color-ink); color: var(--color-white); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 80; height: var(--header-height); border-bottom: 1px solid rgba(216,226,237,.94); background: rgba(255,255,255,.95); box-shadow: 0 0 0 rgba(16,46,76,0); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); isolation: isolate; transition: box-shadow 180ms ease, background-color 180ms ease; }
.site-header.is-scrolled { background: rgba(255,255,255,.985); box-shadow: 0 10px 28px rgba(16,46,76,.12); }
body.is-drawer-open .site-header { position: fixed; right: 0; left: 0; width: 100%; }
.header-inner { display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: 18px; width: min(100%, 1360px); height: 100%; margin: 0 auto; padding: 0 24px; }
.brand-link { display: inline-flex; align-items: center; min-width: 0; }
.brand-logo { width: 148px; height: auto; }
.primary-nav { display: flex; align-items: center; justify-content: center; min-width: 0; gap: 2px; white-space: nowrap; }
.nav-link { position: relative; display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 10px; border: 0; border-radius: var(--radius-md); background: transparent; color: var(--color-text); font-size: 14px; font-weight: 700; line-height: 1; white-space: nowrap; transition: color 160ms ease, background-color 160ms ease; }
.nav-link:hover, .nav-link:focus-visible, .nav-link[aria-expanded="true"], .nav-link.is-current { background: var(--color-primary-soft); color: var(--color-primary-dark); outline: none; }
.nav-link.has-panel::after { width: 6px; height: 6px; margin-left: 8px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; content: ""; transform: translateY(-2px) rotate(45deg); transition: transform 160ms ease; }
.nav-link.has-panel[aria-expanded="true"]::after { transform: translateY(1px) rotate(225deg); }
.header-actions { display: inline-flex; align-items: center; justify-content: flex-end; gap: 9px; min-width: 0; }

.site-header .btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border: 1px solid transparent; border-radius: var(--radius-md); font-size: 14px; font-weight: 800; line-height: 1.15; white-space: nowrap; transition: transform 160ms ease, background-color 160ms ease, color 160ms ease, border-color 160ms ease; }
.site-header .btn:active { transform: translateY(1px); }
.site-header .btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-white); }
.site-header .btn-primary:hover, .site-header .btn-primary:focus-visible { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: var(--color-white); outline: none; }
.site-header .btn-small { min-height: 38px; padding: 0 14px; }
.mobile-menu-button { display: none; width: 40px; height: 40px; border: 1px solid var(--color-line); border-radius: var(--radius-md); background: var(--color-surface); align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.mobile-menu-button span { width: 18px; height: 2px; border-radius: 999px; background: var(--color-text); }
.mega-layer { position: fixed; top: var(--header-height); left: 0; right: 0; height: calc(100dvh - var(--header-height)); z-index: 70; pointer-events: none; }
.mega-panel { position: absolute; top: 0; left: 0; right: 0; max-height: calc(100dvh - var(--header-height) - 16px); overflow-y: auto; opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease; pointer-events: none; }
.mega-panel.is-active { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }
.mega-shell { width: min(100% - 48px, 1280px); margin: 0 auto; padding: 22px; border: 1px solid rgba(216,226,237,.96); border-radius: 0 0 var(--radius-lg) var(--radius-lg); background: rgba(255,255,255,.98); box-shadow: var(--shadow-soft); display: grid; grid-template-columns: 310px minmax(0,1fr); gap: 22px; }
.mega-intro { display: grid; gap: 14px; align-content: start; }
.mega-intro h2 { margin: 0; font-size: 24px; line-height: 1.15; }
.mega-intro p, .mega-note span { margin: 0; color: var(--color-text-muted); line-height: 1.55; font-size: 14px; }
.mega-image { border-radius: var(--radius-lg); background: var(--color-surface-soft); overflow: hidden; aspect-ratio: 4 / 3; }
.mega-image img { width: 100%; height: 100%; object-fit: cover; }
.mega-note { display: grid; gap: 5px; padding: 14px; border-radius: var(--radius-md); background: var(--color-primary-soft); }
.mega-note strong { color: var(--color-primary-dark); }
.mega-columns { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.mega-columns.product-columns { grid-template-columns: repeat(4, minmax(0,1fr)); }
.mega-column { padding: 16px; border: 1px solid var(--color-line); border-radius: var(--radius-lg); background: var(--color-surface); }
.mega-column h3 { margin: 0 0 12px; font-size: 15px; }
.menu-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.menu-link { display: grid; grid-template-columns: 32px minmax(0,1fr); gap: 9px; align-items: start; padding: 10px; border-radius: var(--radius-md); transition: background-color 160ms ease, color 160ms ease; }
.menu-link:hover, .menu-link:focus-visible { background: var(--color-surface-soft); outline: none; }
.menu-copy { display: grid; gap: 3px; }
.menu-copy span { font-size: 14px; font-weight: 750; line-height: 1.25; }
.menu-copy small { color: var(--color-text-muted); line-height: 1.35; }
.cta-column { background: var(--color-ink); color: var(--color-white); border-color: var(--color-ink); }
.cta-link { display: block; padding: 11px 0; color: var(--color-white); font-weight: 800; border-bottom: 1px solid rgba(255,255,255,.18); }
.ui-icon { width: 36px; height: 36px; display: inline-grid; place-items: center; border: 1px solid rgba(0,79,154,.22); border-radius: var(--radius-md); background: var(--color-primary-soft); color: var(--color-primary-dark); flex: 0 0 auto; transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease; }
.ui-icon::before { content: ""; width: 19px; height: 19px; display: block; background: currentColor; -webkit-mask: var(--icon) center / contain no-repeat; mask: var(--icon) center / contain no-repeat; }
.menu-link:hover .ui-icon, .source-feature-card:hover .ui-icon, .service-card:hover .ui-icon, .contact-info-card:hover .ui-icon, .content-row:hover .ui-icon, .visual-step:hover .ui-icon, .application-map a:hover .ui-icon, .subpage-grid a:hover .ui-icon { transform: translateY(-1px); background: #d5e9fa; border-color: rgba(0,79,154,.36); }
.ui-icon-column { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M7%205c0-1.1%202.2-2%205-2s5%20.9%205%202v14c0%201.1-2.2%202-5%202s-5-.9-5-2V5Z%22/%3E%3Cpath%20d=%22M7%205c0%201.1%202.2%202%205%202s5-.9%205-2%22/%3E%3Cpath%20d=%22M7%2012c0%201.1%202.2%202%205%202s5-.9%205-2%22/%3E%3C/svg%3E"); }
.ui-icon-lab { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M10%202v6L5%2018a3%203%200%200%200%202.7%204h8.6a3%203%200%200%200%202.7-4L14%208V2%22/%3E%3Cpath%20d=%22M8%202h8%22/%3E%3Cpath%20d=%22M7%2016h10%22/%3E%3C/svg%3E"); }
.ui-icon-single { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M4%207%2012%203l8%204-8%204-8-4Z%22/%3E%3Cpath%20d=%22M4%207v10l8%204%208-4V7%22/%3E%3Cpath%20d=%22M12%2011v10%22/%3E%3C/svg%3E"); }
.ui-icon-flow { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M4%2012h12%22/%3E%3Cpath%20d=%22m13%208%204%204-4%204%22/%3E%3Cpath%20d=%22M5%206h4a3%203%200%200%201%203%203v1%22/%3E%3Cpath%20d=%22M5%2018h4a3%203%200%200%200%203-3v-1%22/%3E%3C/svg%3E"); }
.ui-icon-tool { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M14.7%206.3a4%204%200%200%200-5.4%205.4L3%2018l3%203%206.3-6.3a4%204%200%200%200%205.4-5.4l-2.4%202.4-3-3%202.4-2.4Z%22/%3E%3C/svg%3E"); }
.ui-icon-filter { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M3%204h18l-7%208v6l-4%202v-8L3%204Z%22/%3E%3C/svg%3E"); }
.ui-icon-buffer { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M8%202h8%22/%3E%3Cpath%20d=%22M9%202v6L5%2018a3%203%200%200%200%202.8%204h8.4A3%203%200%200%200%2019%2018L15%208V2%22/%3E%3Cpath%20d=%22M7%2017h10%22/%3E%3Cpath%20d=%22M10%2013h4%22/%3E%3C/svg%3E"); }
.ui-icon-pressure { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M5%2019a9%209%200%201%201%2014%200%22/%3E%3Cpath%20d=%22M12%2014l4-4%22/%3E%3Cpath%20d=%22M8%2019h8%22/%3E%3C/svg%3E"); }
.ui-icon-pump { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Ccircle%20cx=%2210%22%20cy=%2212%22%20r=%224%22/%3E%3Cpath%20d=%22M14%2012h6%22/%3E%3Cpath%20d=%22M4%2012H2%22/%3E%3Cpath%20d=%22M18%209l3%203-3%203%22/%3E%3Cpath%20d=%22M10%208V5%22/%3E%3C/svg%3E"); }
.ui-icon-valve { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M4%207l7%205-7%205V7Z%22/%3E%3Cpath%20d=%22M20%207l-7%205%207%205V7Z%22/%3E%3Cpath%20d=%22M11%2012h2%22/%3E%3Cpath%20d=%22M12%205v14%22/%3E%3C/svg%3E"); }
.ui-icon-media { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Ccircle%20cx=%228%22%20cy=%228%22%20r=%222.5%22/%3E%3Ccircle%20cx=%2216%22%20cy=%229%22%20r=%222%22/%3E%3Ccircle%20cx=%2211%22%20cy=%2216%22%20r=%222.5%22/%3E%3Ccircle%20cx=%2218%22%20cy=%2217%22%20r=%221.8%22/%3E%3C/svg%3E"); }
.ui-icon-catalog { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M4%204h16v16H4z%22/%3E%3Cpath%20d=%22M8%208h8%22/%3E%3Cpath%20d=%22M8%2012h8%22/%3E%3Cpath%20d=%22M8%2016h5%22/%3E%3C/svg%3E"); }
.ui-icon-doc { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M6%202h9l5%205v15H6z%22/%3E%3Cpath%20d=%22M14%202v6h6%22/%3E%3Cpath%20d=%22M9%2013h6%22/%3E%3Cpath%20d=%22M9%2017h6%22/%3E%3C/svg%3E"); }
.ui-icon-factory { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M3%2021V9l6%204V9l6%204V7l6%204v10H3Z%22/%3E%3Cpath%20d=%22M7%2017h2%22/%3E%3Cpath%20d=%22M12%2017h2%22/%3E%3Cpath%20d=%22M17%2017h2%22/%3E%3C/svg%3E"); }
.ui-icon-molecule { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Ccircle%20cx=%227%22%20cy=%228%22%20r=%223%22/%3E%3Ccircle%20cx=%2217%22%20cy=%227%22%20r=%222.5%22/%3E%3Ccircle%20cx=%2215%22%20cy=%2217%22%20r=%223%22/%3E%3Cpath%20d=%22M9.6%207.7%2014.5%207%22/%3E%3Cpath%20d=%22M8.8%2010.4%2012.8%2015%22/%3E%3C/svg%3E"); }
.ui-icon-vaccine { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22m18%202%204%204%22/%3E%3Cpath%20d=%22m17%207%202-2%22/%3E%3Cpath%20d=%22M5%2019l7-7%22/%3E%3Cpath%20d=%22m8%208%208%208%22/%3E%3Cpath%20d=%22m6%2010%208%208%22/%3E%3Cpath%20d=%22M3%2021l2-2%22/%3E%3Cpath%20d=%22M12%204l8%208%22/%3E%3C/svg%3E"); }
.ui-icon-drop { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M12%202s6%206.5%206%2012a6%206%200%200%201-12%200C6%208.5%2012%202%2012%202Z%22/%3E%3C/svg%3E"); }
.ui-icon-scale { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M4%2019h16%22/%3E%3Cpath%20d=%22M6%2016l5-5%203%203%205-8%22/%3E%3Cpath%20d=%22M15%206h4v4%22/%3E%3C/svg%3E"); }
.ui-icon-phone { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M22%2016.9v3a2%202%200%200%201-2.2%202%2019.8%2019.8%200%200%201-8.6-3.1%2019.5%2019.5%200%200%201-6-6A19.8%2019.8%200%200%201%202.1%204.2%202%202%200%200%201%204.1%202h3a2%202%200%200%201%202%201.7c.1.9.3%201.8.7%202.6a2%202%200%200%201-.5%202.1L8.1%209.6a16%2016%200%200%200%206.3%206.3l1.2-1.2a2%202%200%200%201%202.1-.5c.8.3%201.7.6%202.6.7a2%202%200%200%201%201.7%202Z%22/%3E%3C/svg%3E"); }
.ui-icon-mail { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M4%204h16v16H4z%22/%3E%3Cpath%20d=%22m4%207%208%206%208-6%22/%3E%3C/svg%3E"); }
.ui-icon-map { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Cpath%20d=%22M12%2021s7-5.2%207-12A7%207%200%200%200%205%209c0%206.8%207%2012%207%2012Z%22/%3E%3Ccircle%20cx=%2212%22%20cy=%229%22%20r=%222.5%22/%3E%3C/svg%3E"); }
.ui-icon-clock { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Ccircle%20cx=%2212%22%20cy=%2212%22%20r=%229%22/%3E%3Cpath%20d=%22M12%207v5l3%202%22/%3E%3C/svg%3E"); }
.ui-icon-globe { --icon: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%2024%2024%22%20fill=%22none%22%20stroke=%22black%22%20stroke-width=%222%22%20stroke-linecap=%22round%22%20stroke-linejoin=%22round%22%3E%3Ccircle%20cx=%2212%22%20cy=%2212%22%20r=%229%22/%3E%3Cpath%20d=%22M3%2012h18%22/%3E%3Cpath%20d=%22M12%203a14%2014%200%200%201%200%2018%22/%3E%3Cpath%20d=%22M12%203a14%2014%200%200%200%200%2018%22/%3E%3C/svg%3E"); }
.mobile-drawer { display: none; position: fixed; top: var(--header-height); right: 0; bottom: 0; z-index: 75; width: min(420px, 100%); background: var(--color-surface); border-left: 1px solid var(--color-line); box-shadow: var(--shadow-soft); }
.mobile-drawer.is-open { display: block; }
.mobile-scroll { height: 100%; overflow-y: auto; padding: 20px; display: grid; gap: 10px; }
.mobile-accordion { display: grid; }
.mobile-parent-row { display: grid; grid-template-columns: minmax(0, 1fr) 48px; border: 1px solid var(--color-line); border-radius: var(--radius-md); background: var(--color-surface); overflow: hidden; }
.mobile-parent-link { min-height: 48px; display: flex; align-items: center; padding: 0 14px; color: var(--color-text); font-weight: 800; }
.mobile-parent-link:hover, .mobile-parent-link:focus-visible { background: var(--color-primary-soft); color: var(--color-primary-dark); outline: none; }
.mobile-accordion-trigger { width: 48px; min-height: 48px; display: flex; align-items: center; justify-content: center; padding: 0; border: 0; border-left: 1px solid var(--color-line); background: var(--color-surface-soft); color: var(--color-text); }
.mobile-direct { width: 100%; min-height: 48px; display: flex; align-items: center; padding: 0 14px; border: 1px solid var(--color-line); border-radius: var(--radius-md); background: var(--color-surface); color: var(--color-text); font-weight: 800; }
.mobile-accordion-trigger::after { content: ""; width: 8px; height: 8px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg); }
.mobile-accordion-trigger[aria-expanded="true"]::after { transform: rotate(225deg); }
.mobile-accordion-panel { display: none; padding: 8px 10px 14px; }
.mobile-parent-row:has(.mobile-accordion-trigger[aria-expanded="true"]) + .mobile-accordion-panel { display: grid; gap: 6px; }
.mobile-accordion-panel a { padding: 10px; border-radius: var(--radius-sm); color: var(--color-text-muted); }

@media (max-width: 1180px) {
  .primary-nav, .header-actions .btn-small, .mega-layer { display: none; }
  .header-inner { grid-template-columns: auto auto; justify-content: space-between; }
  .mobile-menu-button { display: inline-flex; }
}
@media (max-width: 760px) {
  .header-inner { padding: 0 16px; }
  .brand-logo { width: 136px; }
}

  
/*  main content width */
main .hero-shell,
main .section-shell,
main .toolbar-shell { width: min(100% - 48px, 1440px); }
/* Clip horizontal overflow without creating a sticky scrolling ancestor. */
html,
body,
main.site-main {
  overflow-x: clip;
  overflow-y: visible;
}
@media (min-width: 1181px) {
  main .catalog-aside {
    align-self: start;
    top: calc(var(--header-height) + var(--catalog-toolbar-height, 120px) + 10px);
    max-height: calc(100dvh - var(--header-height) - var(--catalog-toolbar-height, 120px) - 26px);
    overflow-y: auto;
    scrollbar-width: thin;
  }
}
.catalog-search-stack { display: grid; gap: 8px; min-width: 0; }
.catalog-subcategory {
  width: 100%; min-width: 0; min-height: 42px; padding: 8px 12px;
  border: 1px solid var(--color-line); border-radius: 8px;
  background: #fff; color: inherit; font: inherit; font-size: 14px;
}
.catalog-subcategory[hidden] { display: none; }
.catalog-subcategory:focus-visible { outline: 2px solid #004f9a; outline-offset: 2px; }
.catalog-toolbar .toolbar-shell { align-items: center; }
.catalog-toolbar { scroll-margin-top: calc(var(--header-height) + 12px); }
.catalog-toolbar .filter-tab { white-space: normal; text-align: left; max-width: 260px; }
.catalog-toolbar .filter-tab[aria-pressed="true"] { background: var(--color-primary); color: #fff; }
.product-grid .product-media img { width: 100%; height: 100%; object-fit: contain; }
.product-grid .product-title h3 { overflow-wrap: anywhere; }
.catalog-status { scroll-margin-top: calc(var(--header-height) + var(--catalog-toolbar-height, 120px) + 16px); }
@media (max-width: 1180px) {
  .catalog-toolbar .filter-tab { flex: 0 0 auto; max-width: 220px; }
}
@media (max-width: 760px) {
  main .hero-shell,
  main .section-shell,
  main .toolbar-shell { width: min(100% - 32px, 1440px); }
}