:root {
      --theme: #0B3D91;
      --theme-template: {主题色};
      --theme-dark: #072b67;
      --theme-soft: #eaf1fb;
      --ink: #172033;
      --muted: #667085;
      --line: #dfe5ee;
      --surface: #ffffff;
      --surface-alt: #f5f7fa;
      --success: #157f5b;
      --warning: #b26305;
      --shadow-sm: 0 5px 18px rgba(16, 37, 68, 0.08);
      --shadow-md: 0 16px 38px rgba(16, 37, 68, 0.13);
      --radius: 8px;
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: var(--surface-alt);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
      font-size: 16px;
      line-height: 1.65;
      letter-spacing: 0;
    }

    body.drawer-lock {
      overflow: hidden;
    }

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

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

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

    button,
    a {
      -webkit-tap-highlight-color: transparent;
    }

    .container {
      width: min(calc(100% - 40px), var(--container));
      margin-inline: auto;
    }

    .skip-link {
      position: fixed;
      top: 8px;
      left: 8px;
      z-index: 2000;
      padding: 10px 14px;
      color: #fff;
      background: var(--theme);
      border-radius: 4px;
      transform: translateY(-150%);
      transition: transform 0.2s ease;
    }

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

    .topbar {
      color: #dce7f7;
      background: #102441;
      font-size: 13px;
    }

    .topbar-inner {
      min-height: 35px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .topbar-contact {
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .topbar-contact a:hover,
    .topbar-contact a:focus-visible {
      color: #fff;
    }

    .header {
      position: relative;
      z-index: 100;
      background: rgba(255, 255, 255, 0.98);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 3px 14px rgba(16, 37, 68, 0.05);
    }

    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 26px;
    }

    .logo {
      min-width: 0;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--ink);
      font-size: 18px;
      font-weight: 800;
    }

    .logo img {
      width: 38px;
      height: 38px;
      flex: 0 0 38px;
      object-fit: contain;
      border-radius: 6px;
    }

    .logo span {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .main-nav {
      margin-left: auto;
      align-self: stretch;
    }

    .nav-list {
      height: 100%;
      margin: 0;
      padding: 0;
      display: flex;
      align-items: stretch;
      list-style: none;
    }

    .nav-item {
      position: relative;
      display: flex;
      align-items: stretch;
    }

    .nav-link {
      position: relative;
      padding: 0 12px;
      display: flex;
      align-items: center;
      color: #344054;
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
    }

    .nav-link:hover,
    .nav-link:focus-visible,
    .nav-item:focus-within > .nav-link {
      color: var(--theme);
    }

    .nav-link::after {
      content: "";
      position: absolute;
      right: 12px;
      bottom: 0;
      left: 12px;
      height: 3px;
      background: var(--theme);
      transform: scaleX(0);
      transition: transform 0.2s ease;
    }

    .nav-item:hover > .nav-link::after,
    .nav-item:focus-within > .nav-link::after {
      transform: scaleX(1);
    }

    .nav-link.has-arrow {
      padding-right: 25px;
    }

    .nav-link.has-arrow::before {
      content: "";
      position: absolute;
      top: 50%;
      right: 11px;
      width: 6px;
      height: 6px;
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      transform: translateY(-65%) rotate(45deg);
    }

    .dropdown-panel,
    .mega-menu {
      position: absolute;
      top: 100%;
      left: 0;
      z-index: 120;
      visibility: hidden;
      opacity: 0;
      transform: translateY(8px);
      pointer-events: none;
      transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
    }

    .dropdown-panel::before,
    .mega-menu::before {
      content: "";
      position: absolute;
      right: 0;
      bottom: 100%;
      left: 0;
      height: 10px;
    }

    .nav-item:hover > .dropdown-panel,
    .nav-item:focus-within > .dropdown-panel,
    .nav-item:hover > .mega-menu,
    .nav-item:focus-within > .mega-menu {
      visibility: visible;
      opacity: 1;
      transform: translateY(0);
      pointer-events: auto;
    }

    .dropdown-panel {
      width: 290px;
      padding: 10px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 0 0 var(--radius) var(--radius);
      box-shadow: var(--shadow-md);
    }

    .dropdown-panel > a {
      padding: 10px 12px;
      display: block;
      color: #344054;
      border-radius: 5px;
      font-size: 14px;
    }

    .dropdown-panel > a:hover,
    .dropdown-panel > a:focus-visible {
      color: var(--theme);
      background: var(--theme-soft);
    }

    .dropdown-panel .dropdown-footer {
      margin-top: 6px;
      color: var(--theme);
      border-top: 1px solid var(--line);
      border-radius: 0;
      font-weight: 800;
    }

    .mega-menu {
      width: min(720px, calc(100vw - 40px));
      padding: 18px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 0 0 var(--radius) var(--radius);
      box-shadow: var(--shadow-md);
    }

    .nav-item:nth-last-child(-n+3) .mega-menu {
      right: 0;
      left: auto;
    }

    .mega-menu-wide {
      width: min(820px, calc(100vw - 40px));
    }

    .mega-head {
      padding-bottom: 12px;
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 20px;
      border-bottom: 1px solid var(--line);
    }

    .mega-head strong {
      color: var(--ink);
      font-size: 16px;
    }

    .mega-head span {
      color: var(--muted);
      font-size: 13px;
    }

    .mega-categories {
      padding: 12px 0;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .mega-categories a {
      padding: 6px 10px;
      color: #344054;
      background: var(--surface-alt);
      border: 1px solid var(--line);
      border-radius: 5px;
      font-size: 12px;
      font-weight: 700;
    }

    .mega-categories a:hover,
    .mega-categories a:focus-visible {
      color: var(--theme);
      border-color: #a7bfe3;
      background: var(--theme-soft);
    }

    .mega-grid {
      padding-top: 14px;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
    }

    .mega-card {
      min-width: 0;
      min-height: 76px;
      padding: 10px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background: var(--surface-alt);
      border: 1px solid transparent;
      border-radius: 6px;
    }

    .mega-card:hover,
    .mega-card:focus-visible {
      background: var(--theme-soft);
      border-color: #bdcce2;
    }

    .mega-card img {
      width: 46px;
      height: 46px;
      flex: 0 0 46px;
      object-fit: cover;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 5px;
    }

    .mega-card-text {
      min-width: 0;
      display: block;
    }

    .mega-card-text b,
    .mega-card-text p,
    .mega-card-text small {
      display: block;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .mega-card-text b {
      color: var(--ink);
      font-size: 13px;
      white-space: nowrap;
    }

    .mega-card-text p {
      height: 2.8em;
      margin: 2px 0;
      color: var(--muted);
      font-size: 11px;
      line-height: 1.4;
    }

    .mega-card-text small {
      color: var(--muted);
      font-size: 10px;
      white-space: nowrap;
    }

    .mega-footer {
      margin-top: 14px;
      padding: 10px 12px;
      display: block;
      color: var(--theme);
      background: var(--theme-soft);
      border-radius: 5px;
      text-align: center;
      font-size: 13px;
      font-weight: 800;
    }

    .header-btns {
      display: flex;
      align-items: center;
      gap: 9px;
    }

    .member-entry {
      display: flex;
      align-items: center;
    }

    .member-entry a,
    .account-btn {
      min-height: 38px;
      padding: 7px 13px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 5px;
      font-size: 13px;
      font-weight: 800;
      white-space: nowrap;
    }

    .member-entry a {
      color: var(--theme);
      border: 1px solid #b9c9e0;
      background: #fff;
    }

    .account-btn {
      color: #fff;
      background: var(--theme);
      border: 1px solid var(--theme);
    }

    .member-entry a:hover,
    .member-entry a:focus-visible {
      background: var(--theme-soft);
    }

    .account-btn:hover,
    .account-btn:focus-visible {
      background: var(--theme-dark);
    }

    .hamburger {
      width: 42px;
      height: 42px;
      padding: 9px;
      display: none;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      color: var(--ink);
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 5px;
      cursor: pointer;
    }

    .hamburger span {
      width: 21px;
      height: 2px;
      display: block;
      background: currentColor;
      transition: transform 0.2s ease, opacity 0.2s ease;
    }

    .hamburger.active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .hamburger.active span:nth-child(2) {
      opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .drawer-overlay {
      position: fixed;
      inset: 0;
      z-index: 300;
      visibility: hidden;
      opacity: 0;
      background: rgba(6, 18, 36, 0.58);
      transition: opacity 0.25s ease, visibility 0.25s;
    }

    .drawer-overlay.open {
      visibility: visible;
      opacity: 1;
    }

    .mobile-drawer {
      position: fixed;
      top: 0;
      right: 0;
      bottom: 0;
      z-index: 310;
      width: min(390px, 90vw);
      overflow-y: auto;
      background: #fff;
      box-shadow: -18px 0 44px rgba(8, 24, 48, 0.22);
      transform: translateX(105%);
      transition: transform 0.25s ease;
    }

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

    .drawer-head {
      min-height: 70px;
      padding: 12px 16px;
      display: flex;
      align-items: center;
      gap: 10px;
      background: #f7f9fc;
      border-bottom: 1px solid var(--line);
    }

    .drawer-head > a,
    .drawer-head > *:not(.drawer-close) a {
      padding: 8px 11px;
      display: inline-flex;
      color: var(--theme);
      background: #fff;
      border: 1px solid #b9c9e0;
      border-radius: 5px;
      font-size: 13px;
      font-weight: 800;
    }

    .drawer-close {
      width: 38px;
      height: 38px;
      margin-left: auto;
      padding: 0;
      color: #344054;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 5px;
      font-size: 25px;
      line-height: 1;
      cursor: pointer;
    }

    .drawer-menu {
      padding: 10px 16px 28px;
    }

    .drawer-link,
    .drawer-toggle {
      width: 100%;
      min-height: 50px;
      padding: 12px 5px;
      display: flex;
      align-items: center;
      color: var(--ink);
      background: transparent;
      border: 0;
      border-bottom: 1px solid var(--line);
      text-align: left;
      font-weight: 800;
      cursor: pointer;
    }

    .drawer-toggle {
      position: relative;
      padding-right: 30px;
    }

    .drawer-toggle::after {
      content: "+";
      position: absolute;
      right: 7px;
      color: var(--theme);
      font-size: 20px;
      font-weight: 500;
    }

    .drawer-toggle.active::after {
      content: "−";
    }

    .drawer-submenu {
      max-height: 0;
      overflow: hidden;
      background: var(--surface-alt);
      transition: max-height 0.28s ease;
    }

    .drawer-submenu.open {
      max-height: 720px;
    }

    .drawer-submenu a {
      padding: 10px 14px;
      display: block;
      color: #475467;
      border-bottom: 1px solid #e8ecf2;
      font-size: 14px;
    }

    .drawer-submenu a:hover,
    .drawer-submenu a:focus-visible {
      color: var(--theme);
      background: var(--theme-soft);
    }

    .ea-content-stack {
      min-width: 0;
    }

    .ea-content-stack .product-crumb-band {
      color: #dbe7f8;
      background: #102441;
      border-bottom: 1px solid #253d61;
    }

    .ea-content-stack .product-breadcrumb {
      min-height: 48px;
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 13px;
    }

    .ea-content-stack .product-breadcrumb a {
      color: #fff;
      font-weight: 700;
    }

    .ea-content-stack .product-breadcrumb span:last-child {
      min-width: 0;
      overflow-wrap: anywhere;
    }

    .ea-content-stack .product-intro {
      padding: 54px 0;
      background: #fff;
      border-bottom: 1px solid var(--line);
    }

    .ea-content-stack .product-intro-grid {
      display: grid;
      grid-template-columns: minmax(280px, 430px) minmax(0, 1fr);
      align-items: start;
      gap: 52px;
    }

    .ea-content-stack .product-media {
      position: sticky;
      top: 24px;
      min-width: 0;
    }

    .ea-content-stack .product-image-frame {
      aspect-ratio: 4 / 3;
      padding: 22px;
      display: grid;
      place-items: center;
      overflow: hidden;
      background: #edf2f8;
      border: 1px solid #d8e0eb;
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
    }

    .ea-content-stack .product-image-frame img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      background: #fff;
      border-radius: 5px;
    }

    .ea-content-stack .product-image-note {
      margin: 12px 0 0;
      color: var(--muted);
      font-size: 12px;
      text-align: center;
    }

    .ea-content-stack .product-summary {
      min-width: 0;
    }

    .ea-content-stack .product-category {
      margin-bottom: 14px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--theme);
      font-size: 13px;
      font-weight: 800;
    }

    .ea-content-stack .product-category::before {
      content: "";
      width: 24px;
      height: 3px;
      display: block;
      background: var(--theme);
    }

    .ea-content-stack h1 {
      max-width: 820px;
      margin: 0;
      color: #14213a;
      font-size: clamp(32px, 4vw, 50px);
      line-height: 1.16;
      letter-spacing: 0;
      overflow-wrap: anywhere;
    }

    .ea-content-stack .product-lead {
      margin: 22px 0;
      color: #475467;
      font-size: 17px;
      line-height: 1.85;
      overflow-wrap: anywhere;
    }

    .ea-content-stack .product-meta {
      margin: 0;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      list-style: none;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
    }

    .ea-content-stack .product-meta li {
      min-width: 0;
      padding: 15px;
      background: #f8fafc;
      border-right: 1px solid var(--line);
    }

    .ea-content-stack .product-meta li:last-child {
      border-right: 0;
    }

    .ea-content-stack .product-meta span,
    .ea-content-stack .product-meta strong {
      display: block;
    }

    .ea-content-stack .product-meta span {
      margin-bottom: 3px;
      color: var(--muted);
      font-size: 12px;
    }

    .ea-content-stack .product-meta strong {
      color: #253653;
      font-size: 14px;
      overflow-wrap: anywhere;
    }

    .ea-content-stack .product-actions {
      margin-top: 24px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .ea-content-stack .product-primary-action,
    .ea-content-stack .product-secondary-action {
      min-height: 46px;
      padding: 10px 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 5px;
      font-weight: 800;
    }

    .ea-content-stack .product-primary-action {
      color: #fff;
      background: var(--theme);
      border: 1px solid var(--theme);
    }

    .ea-content-stack .product-primary-action:hover,
    .ea-content-stack .product-primary-action:focus-visible {
      background: var(--theme-dark);
    }

    .ea-content-stack .product-secondary-action {
      color: var(--theme);
      background: #fff;
      border: 1px solid #afc1dc;
    }

    .ea-content-stack .product-secondary-action:hover,
    .ea-content-stack .product-secondary-action:focus-visible {
      background: var(--theme-soft);
    }

    .ea-content-stack .product-notice {
      margin: 18px 0 0;
      padding: 13px 15px;
      color: #536076;
      background: #f4f7fb;
      border-left: 3px solid var(--theme);
      font-size: 13px;
    }

    .ea-content-stack .product-content-section {
      padding: 56px 0 64px;
    }

    .ea-content-stack .product-layout {
      min-width: 0;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 300px;
      align-items: start;
      gap: 28px;
    }

    .ea-content-stack .product-article {
      min-width: 0;
      padding: 34px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
    }

    .ea-content-stack .section-heading {
      margin: 0 0 22px;
      padding-bottom: 14px;
      color: #17233b;
      border-bottom: 1px solid var(--line);
      font-size: 24px;
      line-height: 1.3;
    }

    .ea-content-stack .product-body {
      min-width: 0;
      max-width: 100%;
      overflow-x: auto;
      color: #344054;
      overflow-wrap: anywhere;
    }

    .ea-content-stack .product-body > :first-child {
      margin-top: 0;
    }

    .ea-content-stack .product-body > :last-child {
      margin-bottom: 0;
    }

    .ea-content-stack .product-body h2,
    .ea-content-stack .product-body h3,
    .ea-content-stack .product-body h4 {
      color: #18253d;
      line-height: 1.35;
    }

    .ea-content-stack .product-body h2 {
      margin-top: 34px;
      font-size: 25px;
    }

    .ea-content-stack .product-body h3 {
      margin-top: 28px;
      font-size: 20px;
    }

    .ea-content-stack .product-body p,
    .ea-content-stack .product-body li {
      line-height: 1.85;
    }

    .ea-content-stack .product-body a {
      color: var(--theme);
      text-decoration: underline;
      text-underline-offset: 3px;
    }

    .ea-content-stack .product-body img,
    .ea-content-stack .product-body video,
    .ea-content-stack .product-body iframe,
    .ea-content-stack .product-body table {
      max-width: 100%;
    }

    .ea-content-stack .product-body img {
      height: auto;
      border-radius: 6px;
    }

    .ea-content-stack .product-body iframe {
      width: 100%;
    }

    .ea-content-stack .product-body table {
      width: 100%;
      border-collapse: collapse;
    }

    .ea-content-stack .product-body th,
    .ea-content-stack .product-body td {
      padding: 10px 12px;
      border: 1px solid var(--line);
      text-align: left;
    }

    .ea-content-stack .product-body th {
      color: #233451;
      background: var(--theme-soft);
    }

    .ea-content-stack .product-body pre,
    .ea-content-stack .product-body code {
      max-width: 100%;
      white-space: pre-wrap;
      overflow-wrap: anywhere;
    }

    .ea-content-stack .product-sidebar {
      position: sticky;
      top: 24px;
      min-width: 0;
    }

    .ea-content-stack .sidebar-panel {
      padding: 22px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
    }

    .ea-content-stack .sidebar-panel + .sidebar-panel {
      margin-top: 18px;
    }

    .ea-content-stack .sidebar-panel h2 {
      margin: 0 0 14px;
      color: #1a2943;
      font-size: 18px;
    }

    .ea-content-stack .sidebar-list {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .ea-content-stack .sidebar-list li {
      padding: 10px 0;
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      border-bottom: 1px solid var(--line);
      font-size: 13px;
    }

    .ea-content-stack .sidebar-list li:last-child {
      border-bottom: 0;
    }

    .ea-content-stack .sidebar-list span {
      color: var(--muted);
    }

    .ea-content-stack .sidebar-list strong {
      color: #263753;
      text-align: right;
      overflow-wrap: anywhere;
    }

    .ea-content-stack .sidebar-cta {
      padding: 22px;
      color: #fff;
      background: #102441;
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
    }

    .ea-content-stack .sidebar-cta h2 {
      margin: 0 0 8px;
      color: #fff;
      font-size: 18px;
    }

    .ea-content-stack .sidebar-cta p {
      margin: 0 0 16px;
      color: #cbd9ed;
      font-size: 13px;
    }

    .ea-content-stack .sidebar-cta a {
      width: 100%;
      min-height: 42px;
      padding: 9px 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--theme-dark);
      background: #fff;
      border-radius: 5px;
      font-weight: 800;
    }

    .ea-content-stack .related-products {
      padding: 56px 0 70px;
      background: #fff;
      border-top: 1px solid var(--line);
    }

    .ea-content-stack .related-head {
      margin-bottom: 24px;
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 20px;
    }

    .ea-content-stack .related-head h2 {
      margin: 0;
      color: #17233b;
      font-size: 28px;
    }

    .ea-content-stack .related-head p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .ea-content-stack .related-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .ea-content-stack .related-card {
      min-width: 0;
      overflow: hidden;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .ea-content-stack .related-card:hover,
    .ea-content-stack .related-card:focus-within {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .ea-content-stack .related-card-image {
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: #eef2f7;
    }

    .ea-content-stack .related-card-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .ea-content-stack .related-card-body {
      padding: 17px;
    }

    .ea-content-stack .related-card h3 {
      margin: 0 0 8px;
      color: #1b2941;
      font-size: 17px;
      line-height: 1.4;
      overflow-wrap: anywhere;
    }

    .ea-content-stack .related-card p {
      min-height: 3.2em;
      margin: 0 0 12px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
      overflow: hidden;
    }

    .ea-content-stack .related-card-meta {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      color: #7b8495;
      font-size: 11px;
    }

    .ea-content-stack .related-card-link {
      margin-top: 13px;
      display: inline-flex;
      color: var(--theme);
      font-size: 13px;
      font-weight: 800;
    }

    .footer {
      color: #cbd5e5;
      background: #0c1c33;
      border-top: 4px solid var(--theme);
    }

    .footer-grid {
      padding: 54px 0 42px;
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 38px;
    }

    .footer .logo {
      color: #fff;
    }

    .footer-brand p {
      max-width: 430px;
      margin: 18px 0;
      color: #aebbd0;
      font-size: 14px;
    }

    .footer-social {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .footer h2 {
      margin: 4px 0 16px;
      color: #fff;
      font-size: 16px;
    }

    .footer-links,
    .footer-contact {
      display: grid;
      gap: 9px;
    }

    .footer-links a,
    .footer-contact a {
      color: #b7c3d6;
      font-size: 14px;
    }

    .footer-links a:hover,
    .footer-links a:focus-visible,
    .footer-contact a:hover,
    .footer-contact a:focus-visible {
      color: #fff;
    }

    .footer-bottom {
      min-height: 64px;
      padding: 16px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      color: #93a2b9;
      border-top: 1px solid #253752;
      font-size: 13px;
    }

    :focus-visible {
      outline: 3px solid rgba(11, 61, 145, 0.3);
      outline-offset: 2px;
    }

    @media (max-width: 1100px) {
      .main-nav {
        display: none;
      }

      .hamburger {
        display: flex;
      }

      .header-btns {
        margin-left: auto;
      }

      .ea-content-stack .product-layout {
        grid-template-columns: minmax(0, 1fr) 270px;
      }
    }

    @media (max-width: 860px) {
      .ea-content-stack .product-intro-grid,
      .ea-content-stack .product-layout {
        grid-template-columns: 1fr;
      }

      .ea-content-stack .product-media,
      .ea-content-stack .product-sidebar {
        position: static;
      }

      .ea-content-stack .product-image-frame {
        max-width: 620px;
        margin-inline: auto;
      }

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

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

    @media (max-width: 640px) {
      .container {
        width: min(calc(100% - 28px), var(--container));
      }

      .topbar-inner {
        padding: 7px 0;
        align-items: flex-start;
        flex-direction: column;
        gap: 2px;
      }

      .topbar-contact {
        width: 100%;
        align-items: flex-start;
        flex-direction: column;
        gap: 1px;
      }

      .header-inner {
        min-height: 68px;
        gap: 10px;
      }

      .header .logo span {
        max-width: 130px;
      }

      .member-entry,
      .account-btn {
        display: none;
      }

      .drawer-head .member-entry,
      .drawer-head .account-btn {
        display: flex;
      }

      .ea-content-stack .product-intro {
        padding: 34px 0;
      }

      .ea-content-stack .product-intro-grid {
        gap: 28px;
      }

      .ea-content-stack h1 {
        font-size: 32px;
      }

      .ea-content-stack .product-lead {
        font-size: 15px;
      }

      .ea-content-stack .product-meta {
        grid-template-columns: 1fr;
      }

      .ea-content-stack .product-meta li {
        border-right: 0;
        border-bottom: 1px solid var(--line);
      }

      .ea-content-stack .product-meta li:last-child {
        border-bottom: 0;
      }

      .ea-content-stack .product-actions {
        display: grid;
        grid-template-columns: 1fr;
      }

      .ea-content-stack .product-content-section,
      .ea-content-stack .related-products {
        padding: 38px 0;
      }

      .ea-content-stack .product-article {
        padding: 22px 17px;
      }

      .ea-content-stack .related-head {
        align-items: flex-start;
        flex-direction: column;
        gap: 5px;
      }

      .ea-content-stack .related-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        padding: 40px 0 30px;
        gap: 28px;
      }

      .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
      }
    }

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

      *,
      *::before,
      *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
      }
    }