:root {
      --theme: #0B3D91;
      --theme-template: {主题色};
      --theme-dark: #072a65;
      --theme-soft: #eaf1fb;
      --ink: #172033;
      --muted: #647083;
      --line: #dce3ed;
      --surface: #ffffff;
      --page: #f5f7fa;
      --positive: #13795b;
      --warning: #a66b00;
      --shadow: 0 14px 36px rgba(23, 32, 51, 0.1);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: var(--page);
      font-family: "Noto Sans TC", "PingFang HK", "Microsoft JhengHei", Arial, sans-serif;
      line-height: 1.65;
    }

    body.drawer-lock {
      overflow: hidden;
    }

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

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

    button,
    input {
      font: inherit;
    }

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

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

    .topbar {
      color: #dce8fb;
      background: #081426;
      font-size: 13px;
    }

    .topbar-inner {
      min-height: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .topbar-contact {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .topbar a:hover {
      color: #ffffff;
    }

    .header {
      position: relative;
      z-index: 50;
      background: var(--surface);
      border-bottom: 1px solid var(--line);
    }

    .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-weight: 800;
    }

    .logo img {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      border-radius: 6px;
      object-fit: contain;
      background: #ffffff;
    }

    .logo span {
      max-width: 180px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .main-nav {
      flex: 1;
      align-self: stretch;
    }

    .nav-list {
      height: 100%;
      margin: 0;
      padding: 0;
      display: flex;
      justify-content: center;
      list-style: none;
    }

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

    .nav-link {
      position: relative;
      padding: 0 13px;
      display: inline-flex;
      align-items: center;
      color: #29364b;
      font-size: 15px;
      font-weight: 700;
      white-space: nowrap;
    }

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

    .nav-link::after {
      position: absolute;
      right: 13px;
      bottom: 0;
      left: 13px;
      height: 3px;
      content: "";
      background: var(--theme);
      transform: scaleX(0);
      transition: transform 0.2s ease;
    }

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

    .nav-link.has-arrow {
      padding-right: 27px;
    }

    .nav-link.has-arrow::before {
      position: absolute;
      top: 50%;
      right: 11px;
      width: 6px;
      height: 6px;
      content: "";
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      transform: translateY(-70%) rotate(45deg);
    }

    .dropdown-panel,
    .mega-menu {
      position: absolute;
      top: 100%;
      z-index: 60;
      visibility: hidden;
      color: var(--ink);
      background: #ffffff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      opacity: 0;
      transform: translateY(8px);
      transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
    }

    .dropdown-panel {
      width: 330px;
      margin-left: -70px;
      padding: 18px;
      border-radius: 0 0 6px 6px;
    }

    .mega-menu {
      right: max(20px, calc((100vw - var(--container)) / 2));
      left: max(20px, calc((100vw - var(--container)) / 2));
      padding: 22px;
      border-radius: 0 0 6px 6px;
    }

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

    .dropdown-title {
      margin: 0 0 10px;
      color: var(--theme);
      font-size: 13px;
      font-weight: 800;
    }

    .dropdown-article {
      padding: 9px 0;
      display: block;
      border-bottom: 1px solid #edf0f5;
      font-size: 14px;
    }

    .dropdown-article:hover,
    .dropdown-more:hover {
      color: var(--theme);
    }

    .dropdown-more {
      margin-top: 13px;
      display: inline-block;
      color: var(--theme);
      font-size: 13px;
      font-weight: 800;
    }

    .mega-head {
      margin-bottom: 17px;
      padding-bottom: 13px;
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 20px;
      border-bottom: 1px solid var(--line);
    }

    .mega-head strong {
      color: var(--theme);
      font-size: 17px;
    }

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

    .mega-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .mega-layout {
      display: grid;
      grid-template-columns: 190px minmax(0, 1fr);
      gap: 20px;
    }

    .mega-categories {
      display: flex;
      flex-direction: column;
      border-right: 1px solid var(--line);
    }

    .mega-categories a {
      padding: 8px 12px 8px 0;
      color: #465269;
      font-size: 14px;
    }

    .mega-categories a:hover {
      color: var(--theme);
    }

    .mega-card {
      min-width: 0;
      padding: 10px;
      display: flex;
      align-items: flex-start;
      gap: 11px;
      border: 1px solid #e4e9f0;
      border-radius: 6px;
      background: #fbfcfe;
    }

    .mega-card:hover {
      border-color: #a9bfdf;
      background: var(--theme-soft);
    }

    .mega-card > img {
      width: 52px;
      height: 52px;
      flex: 0 0 52px;
      border-radius: 5px;
      object-fit: cover;
      background: #eef2f7;
    }

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

    .mega-card-body strong {
      display: block;
      overflow: hidden;
      color: #1d2a40;
      font-size: 14px;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mega-card-body small {
      display: block;
      color: var(--muted);
      font-size: 11px;
    }

    .mega-card-body p {
      margin: 4px 0 0;
      display: -webkit-box;
      overflow: hidden;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.45;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
    }

    .mega-footer {
      margin-top: 16px;
      padding-top: 13px;
      display: block;
      color: var(--theme);
      border-top: 1px solid var(--line);
      font-size: 13px;
      font-weight: 800;
      text-align: right;
    }

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

    .member-entry {
      display: inline-flex;
      align-items: center;
      color: var(--theme);
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
    }

    .open-account {
      min-height: 40px;
      padding: 8px 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      background: var(--theme);
      border-radius: 5px;
      font-size: 14px;
      font-weight: 800;
      white-space: nowrap;
    }

    .open-account:hover {
      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: #ffffff;
      border: 1px solid var(--line);
      border-radius: 5px;
      cursor: pointer;
    }

    .hamburger span {
      width: 20px;
      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: 80;
      visibility: hidden;
      background: rgba(6, 14, 28, 0.58);
      opacity: 0;
      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: 90;
      width: min(390px, 92vw);
      overflow-y: auto;
      background: #ffffff;
      box-shadow: -18px 0 40px rgba(0, 0, 0, 0.18);
      transform: translateX(105%);
      transition: transform 0.25s ease;
    }

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

    .drawer-head {
      min-height: 72px;
      padding: 14px 16px;
      display: flex;
      align-items: center;
      gap: 12px;
      border-bottom: 1px solid var(--line);
    }

    .drawer-head > a {
      color: var(--theme);
      font-weight: 800;
    }

    .drawer-close {
      width: 40px;
      height: 40px;
      margin-left: auto;
      color: #334057;
      background: #f4f6f9;
      border: 0;
      border-radius: 5px;
      font-size: 25px;
      cursor: pointer;
    }

    .drawer-menu {
      padding: 10px 16px 30px;
    }

    .drawer-link,
    .drawer-toggle {
      width: 100%;
      min-height: 48px;
      padding: 11px 4px;
      display: flex;
      align-items: center;
      color: #243148;
      background: transparent;
      border: 0;
      border-bottom: 1px solid #edf0f4;
      font-weight: 800;
      text-align: left;
      cursor: pointer;
    }

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

    .drawer-toggle::after {
      position: absolute;
      right: 7px;
      width: 8px;
      height: 8px;
      content: "";
      border-right: 2px solid var(--muted);
      border-bottom: 2px solid var(--muted);
      transform: rotate(45deg);
      transition: transform 0.2s ease;
    }

    .drawer-toggle.active::after {
      transform: rotate(225deg);
    }

    .drawer-submenu {
      max-height: 0;
      overflow: hidden;
      background: #f7f9fc;
      transition: max-height 0.28s ease;
    }

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

    .drawer-submenu a {
      padding: 9px 14px;
      display: block;
      color: #4c5970;
      border-bottom: 1px solid #e9edf3;
      font-size: 14px;
    }

    .drawer-submenu a:hover {
      color: var(--theme);
    }

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

    .ea-content-stack .product-banner {
      padding: 34px 0 30px;
      color: #ffffff;
      background: #0b1930;
      border-bottom: 4px solid var(--theme);
    }

    .ea-content-stack .breadcrumbs {
      margin-bottom: 18px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      color: #b9c7db;
      font-size: 13px;
    }

    .ea-content-stack .breadcrumbs a:hover {
      color: #ffffff;
    }

    .ea-content-stack .product-kicker {
      margin: 0 0 8px;
      color: #9fbced;
      font-size: 13px;
      font-weight: 800;
    }

    .ea-content-stack .product-banner h1 {
      max-width: 850px;
      margin: 0;
      color: #ffffff;
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.2;
      overflow-wrap: anywhere;
    }

    .ea-content-stack .product-meta {
      margin-top: 16px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px 22px;
      color: #c5d0df;
      font-size: 14px;
    }

    .ea-content-stack .product-layout {
      padding: 38px 0 64px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) 310px;
      align-items: start;
      gap: 28px;
    }

    .ea-content-stack .product-main,
    .ea-content-stack .product-sidebar {
      min-width: 0;
    }

    .ea-content-stack .product-overview {
      padding: 26px;
      display: grid;
      grid-template-columns: minmax(220px, 34%) minmax(0, 1fr);
      gap: 28px;
      background: #ffffff;
      border: 1px solid var(--line);
      border-radius: 7px;
      box-shadow: 0 10px 26px rgba(31, 48, 76, 0.07);
    }

    .ea-content-stack .product-image {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: contain;
      background: #f2f5f9;
      border: 1px solid #e5eaf1;
      border-radius: 6px;
    }

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

    .ea-content-stack .overview-copy h2 {
      margin: 0 0 12px;
      color: var(--ink);
      font-size: 24px;
      line-height: 1.35;
    }

    .ea-content-stack .product-summary {
      margin: 0 0 20px;
      color: #526077;
      font-size: 16px;
      overflow-wrap: anywhere;
    }

    .ea-content-stack .fact-list {
      margin: 0 0 22px;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
      list-style: none;
    }

    .ea-content-stack .fact-list li {
      min-width: 0;
      padding: 11px 12px;
      background: #f6f8fb;
      border-left: 3px solid var(--theme);
      color: var(--muted);
      font-size: 13px;
    }

    .ea-content-stack .fact-list strong {
      display: block;
      color: var(--ink);
      font-size: 14px;
      overflow-wrap: anywhere;
    }

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

    .ea-content-stack .primary-action,
    .ea-content-stack .secondary-action {
      min-height: 44px;
      padding: 10px 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 5px;
      font-size: 14px;
      font-weight: 800;
    }

    .ea-content-stack .primary-action {
      color: #ffffff;
      background: var(--theme);
    }

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

    .ea-content-stack .secondary-action {
      color: var(--theme);
      background: #ffffff;
      border: 1px solid #aac0e1;
    }

    .ea-content-stack .product-content-panel {
      min-width: 0;
      max-width: 100%;
      margin-top: 24px;
      padding: 30px;
      overflow-x: auto;
      background: #ffffff;
      border: 1px solid var(--line);
      border-radius: 7px;
    }

    .ea-content-stack .product-content-panel h2 {
      margin: 0 0 20px;
      padding-bottom: 13px;
      color: var(--ink);
      border-bottom: 1px solid var(--line);
      font-size: 24px;
    }

    .ea-content-stack .product-body {
      min-width: 0;
      max-width: 100%;
      overflow-x: auto;
      color: #344158;
      overflow-wrap: anywhere;
    }

    .ea-content-stack .product-body img,
    .ea-content-stack .product-body video,
    .ea-content-stack .product-body iframe,
    .ea-content-stack .product-body table,
    .ea-content-stack .product-body pre {
      max-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;
      border: 1px solid var(--line);
      text-align: left;
    }

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

    .ea-content-stack .side-panel {
      margin-bottom: 20px;
      padding: 20px;
      background: #ffffff;
      border: 1px solid var(--line);
      border-radius: 7px;
    }

    .ea-content-stack .side-panel h2 {
      margin: 0 0 14px;
      color: var(--ink);
      font-size: 18px;
    }

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

    .ea-content-stack .side-links {
      display: flex;
      flex-direction: column;
    }

    .ea-content-stack .side-links a {
      padding: 10px 0;
      color: #35435b;
      border-bottom: 1px solid #edf0f4;
      font-size: 14px;
    }

    .ea-content-stack .side-links a:hover {
      color: var(--theme);
    }

    .ea-content-stack .related-section {
      padding: 58px 0 70px;
      background: #ffffff;
      border-top: 1px solid var(--line);
    }

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

    .ea-content-stack .section-heading h2 {
      margin: 0;
      color: var(--ink);
      font-size: 27px;
    }

    .ea-content-stack .section-heading p {
      margin: 5px 0 0;
      color: var(--muted);
    }

    .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: #ffffff;
      border: 1px solid var(--line);
      border-radius: 7px;
      transition: border-color 0.2s ease, transform 0.2s ease;
    }

    .ea-content-stack .related-card:hover {
      border-color: #9bb6dc;
      transform: translateY(-3px);
    }

    .ea-content-stack .related-card img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
      background: #eef2f7;
    }

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

    .ea-content-stack .related-card h3 {
      margin: 0 0 8px;
      color: var(--ink);
      font-size: 17px;
      line-height: 1.4;
      overflow-wrap: anywhere;
    }

    .ea-content-stack .related-card p {
      margin: 0 0 13px;
      display: -webkit-box;
      overflow: hidden;
      color: var(--muted);
      font-size: 14px;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 3;
    }

    .ea-content-stack .related-meta {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 7px;
      color: #778298;
      font-size: 12px;
    }

    .footer {
      color: #c8d2e0;
      background: #0a1424;
    }

    .footer-main {
      padding: 52px 0 38px;
      display: grid;
      grid-template-columns: 1.45fr 1fr 1fr 1fr;
      gap: 40px;
    }

    .footer .logo {
      color: #ffffff;
    }

    .footer-brand p {
      max-width: 390px;
      margin: 17px 0;
      color: #aeb9ca;
      font-size: 14px;
    }

    .social-links {
      color: #ffffff;
    }

    .footer h3 {
      margin: 3px 0 15px;
      color: #ffffff;
      font-size: 15px;
    }

    .footer-links,
    .footer-contact {
      display: flex;
      flex-direction: column;
      gap: 9px;
      color: #aeb9ca;
      font-size: 14px;
    }

    .footer-links a:hover,
    .footer-contact a:hover {
      color: #ffffff;
    }

    .footer-bottom {
      min-height: 64px;
      padding: 16px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      color: #8e9aab;
      border-top: 1px solid #223047;
      font-size: 13px;
    }

    @media (max-width: 1080px) {
      .main-nav {
        display: none;
      }

      .hamburger {
        display: flex;
      }

      .header-inner {
        justify-content: space-between;
      }

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

      .ea-content-stack .product-layout {
        grid-template-columns: minmax(0, 1fr) 280px;
      }
    }

    @media (max-width: 820px) {
      .topbar-inner {
        padding: 8px 0;
        align-items: flex-start;
      }

      .topbar-contact {
        align-items: flex-end;
        flex-direction: column;
        gap: 2px;
      }

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

      .ea-content-stack .product-sidebar {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px;
      }

      .ea-content-stack .side-panel {
        margin-bottom: 0;
      }

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

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

    @media (max-width: 620px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .topbar-inner {
        display: block;
      }

      .topbar-contact {
        margin-top: 3px;
        align-items: flex-start;
      }

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

      .logo img {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
      }

      .header .logo span {
        max-width: 118px;
        font-size: 14px;
      }

      .member-entry {
        display: none;
      }

      .open-account {
        min-height: 38px;
        padding: 7px 12px;
      }

      .ea-content-stack .product-banner {
        padding: 25px 0 24px;
      }

      .ea-content-stack .product-banner h1 {
        font-size: 30px;
      }

      .ea-content-stack .product-layout {
        padding: 24px 0 48px;
      }

      .ea-content-stack .product-overview {
        padding: 18px;
        grid-template-columns: minmax(0, 1fr);
        gap: 20px;
      }

      .ea-content-stack .fact-list {
        grid-template-columns: minmax(0, 1fr);
      }

      .ea-content-stack .product-actions > a {
        width: 100%;
      }

      .ea-content-stack .product-content-panel {
        padding: 20px 17px;
      }

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

      .ea-content-stack .related-section {
        padding: 42px 0 52px;
      }

      .ea-content-stack .section-heading {
        align-items: flex-start;
        flex-direction: column;
      }

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

      .footer-main {
        padding-top: 40px;
        grid-template-columns: minmax(0, 1fr);
        gap: 30px;
      }

      .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
      }
    }