:root {
      --theme: #0B3D91;
      --template-theme: {主题色};
      --theme-dark: #072b68;
      --theme-soft: #edf4ff;
      --ink: #172033;
      --muted: #647084;
      --line: #dce2eb;
      --surface: #ffffff;
      --page: #f4f6f9;
      --success: #157347;
      --shadow: 0 14px 36px rgba(23, 32, 51, .09);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: var(--page);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", Arial, sans-serif;
      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(var(--container), calc(100% - 40px));
      margin-inline: auto;
    }

    .skip-link {
      position: fixed;
      top: 12px;
      left: 12px;
      z-index: 3000;
      padding: 10px 14px;
      color: #fff;
      background: var(--theme);
      border-radius: 4px;
      transform: translateY(-160%);
    }

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

    .topbar {
      color: #dce8fa;
      background: #13213a;
      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: 18px;
      white-space: nowrap;
    }

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

    .header {
      position: relative;
      z-index: 100;
      background: var(--surface);
      border-bottom: 1px solid var(--line);
    }

    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      gap: 24px;
    }

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

    .logo img {
      width: 38px;
      height: 38px;
      object-fit: contain;
    }

    .logo span {
      max-width: 190px;
      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;
      display: flex;
      align-items: center;
      padding: 0 12px;
      color: #354159;
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
    }

    .nav-link::after {
      position: absolute;
      right: 12px;
      bottom: 0;
      left: 12px;
      height: 3px;
      content: "";
      background: var(--theme);
      transform: scaleX(0);
      transition: transform .2s ease;
    }

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

    .nav-link.has-arrow::before {
      position: absolute;
      right: 11px;
      width: 6px;
      height: 6px;
      content: "";
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      transform: translateY(-2px) rotate(45deg);
    }

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

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

    .dropdown-panel,
    .mega-menu {
      position: absolute;
      top: 100%;
      z-index: 120;
      visibility: hidden;
      opacity: 0;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      transform: translateY(8px);
      transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
    }

    .dropdown-panel {
      width: 320px;
      padding: 14px;
    }

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

    .dropdown-panel::before,
    .mega-menu::before {
      position: absolute;
      right: 0;
      bottom: 100%;
      left: 0;
      height: 12px;
      content: "";
    }

    .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);
    }

    .dropdown-title {
      padding: 4px 8px 10px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
    }

    .dropdown-panel > a:not(.dropdown-all) {
      display: block;
      padding: 9px 8px;
      border-top: 1px solid #edf0f4;
      font-size: 14px;
    }

    .dropdown-panel > a:hover {
      color: var(--theme);
    }

    .dropdown-all,
    .mega-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-top: 12px;
      padding: 10px 12px;
      color: #fff;
      background: var(--theme);
      font-size: 13px;
      font-weight: 800;
    }

    .mega-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 16px;
    }

    .mega-top strong,
    .mega-top span {
      display: block;
    }

    .mega-top strong {
      font-size: 17px;
    }

    .mega-top span {
      margin-top: 2px;
      color: var(--muted);
      font-size: 13px;
    }

    .text-link {
      color: var(--theme);
      font-size: 13px;
      font-weight: 800;
    }

    .mega-categories {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 16px;
    }

    .mega-categories a {
      padding: 6px 10px;
      color: #3c485d;
      background: #f1f4f8;
      border: 1px solid #e1e6ee;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 700;
    }

    .mega-categories a:hover {
      color: var(--theme);
      border-color: #a9bee0;
    }

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

    .mega-card {
      min-width: 0;
      min-height: 84px;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px;
      background: #f8fafc;
      border: 1px solid #e6eaf0;
      border-radius: 6px;
    }

    .mega-card:hover {
      border-color: #9bb4db;
      box-shadow: 0 7px 18px rgba(11, 61, 145, .08);
    }

    .mega-card > img {
      width: 58px;
      height: 58px;
      flex: 0 0 58px;
      object-fit: contain;
      background: #fff;
      border-radius: 4px;
    }

    .video-mega-card > img {
      object-fit: cover;
    }

    .mega-card-body {
      min-width: 0;
      flex: 1;
    }

    .mega-card-body strong,
    .mega-card-body p {
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .mega-card-body strong {
      display: block;
      white-space: nowrap;
      font-size: 14px;
    }

    .mega-card-body p {
      margin: 3px 0 0;
      color: var(--muted);
      display: -webkit-box;
      font-size: 12px;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
    }

    .mega-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 3px 9px;
      margin-top: 5px;
      color: var(--muted);
      font-size: 11px;
    }

    .video-duration {
      display: inline-block;
      margin-top: 5px;
      color: var(--theme);
      font-size: 11px;
      font-weight: 800;
    }

    .mega-footer {
      justify-content: center;
    }

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

    .header-member {
      font-size: 13px;
    }

    .account-btn {
      padding: 9px 14px;
      color: #fff;
      background: var(--theme);
      border: 1px solid var(--theme);
      border-radius: 4px;
      font-size: 13px;
      font-weight: 800;
    }

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

    .hamburger {
      width: 42px;
      height: 42px;
      display: none;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      padding: 0;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 4px;
      cursor: pointer;
    }

    .hamburger span {
      width: 19px;
      height: 2px;
      background: var(--ink);
      transition: transform .2s ease, opacity .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: 800;
      visibility: hidden;
      opacity: 0;
      background: rgba(15, 23, 42, .52);
      transition: opacity .25s ease, visibility .25s ease;
    }

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

    .mobile-drawer {
      position: fixed;
      top: 0;
      right: 0;
      z-index: 900;
      width: min(390px, 90vw);
      height: 100dvh;
      overflow-y: auto;
      background: #fff;
      box-shadow: -20px 0 50px rgba(15, 23, 42, .18);
      transform: translateX(105%);
      transition: transform .25s ease;
    }

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

    .drawer-head {
      min-height: 72px;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 14px 18px;
      border-bottom: 1px solid var(--line);
    }

    .drawer-head > a {
      color: var(--theme);
      font-size: 13px;
      font-weight: 800;
    }

    .drawer-close {
      width: 38px;
      height: 38px;
      margin-left: auto;
      color: var(--ink);
      background: #f2f4f7;
      border: 0;
      border-radius: 4px;
      font-size: 25px;
      line-height: 1;
      cursor: pointer;
    }

    .drawer-menu {
      padding: 10px 18px 28px;
    }

    .drawer-link,
    .drawer-toggle {
      width: 100%;
      min-height: 48px;
      display: flex;
      align-items: center;
      padding: 10px 2px;
      color: var(--ink);
      background: transparent;
      border: 0;
      border-bottom: 1px solid #e9edf2;
      font-weight: 750;
      text-align: left;
      cursor: pointer;
    }

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

    .drawer-toggle::after {
      position: absolute;
      right: 5px;
      width: 8px;
      height: 8px;
      content: "";
      border-right: 2px solid var(--muted);
      border-bottom: 2px solid var(--muted);
      transform: rotate(45deg);
      transition: transform .2s ease;
    }

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

    .drawer-submenu {
      max-height: 0;
      overflow: hidden;
      background: #f7f9fc;
      transition: max-height .3s ease;
    }

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

    .drawer-submenu a {
      display: block;
      padding: 9px 14px;
      color: #4b5669;
      border-bottom: 1px solid #e8ecf2;
      font-size: 13px;
    }

    .ea-content-stack {
      padding: 34px 0 72px;
    }

    .ea-content-stack .product-breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 7px;
      margin-bottom: 22px;
      color: var(--muted);
      font-size: 13px;
    }

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

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

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

    .ea-content-stack .product-overview {
      overflow: hidden;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 8px;
      box-shadow: 0 8px 24px rgba(23, 32, 51, .05);
    }

    .ea-content-stack .product-image-stage {
      min-height: 340px;
      display: grid;
      place-items: center;
      padding: 30px;
      background:
        linear-gradient(#eef2f7 1px, transparent 1px),
        linear-gradient(90deg, #eef2f7 1px, transparent 1px),
        #f8fafc;
      background-size: 28px 28px;
      border-bottom: 1px solid var(--line);
    }

    .ea-content-stack .product-image-stage img {
      width: 100%;
      max-height: 520px;
      object-fit: contain;
      filter: drop-shadow(0 16px 22px rgba(25, 39, 67, .14));
    }

    .ea-content-stack .product-heading {
      padding: 28px 30px 30px;
    }

    .ea-content-stack .product-category {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      margin-bottom: 10px;
      color: var(--theme);
      font-size: 13px;
      font-weight: 800;
    }

    .ea-content-stack .product-category::before {
      width: 8px;
      height: 8px;
      content: "";
      background: var(--theme);
      border-radius: 50%;
    }

    .ea-content-stack h1 {
      margin: 0;
      color: #111827;
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.18;
      letter-spacing: 0;
      overflow-wrap: anywhere;
    }

    .ea-content-stack .product-summary {
      margin: 16px 0 0;
      color: #536074;
      font-size: 17px;
    }

    .ea-content-stack .product-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 22px;
      margin-top: 20px;
      padding-top: 18px;
      color: var(--muted);
      border-top: 1px solid var(--line);
      font-size: 13px;
    }

    .ea-content-stack .product-meta strong {
      color: var(--ink);
    }

    .ea-content-stack .product-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .ea-content-stack .primary-action,
    .ea-content-stack .secondary-action {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 18px;
      border-radius: 4px;
      font-size: 14px;
      font-weight: 800;
    }

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

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

    .ea-content-stack .secondary-action {
      color: var(--theme);
      background: #fff;
      border: 1px solid #9db4d8;
    }

    .ea-content-stack .product-content {
      min-width: 0;
      max-width: 100%;
      margin-top: 24px;
      padding: 30px;
      overflow-x: auto;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 8px;
    }

    .ea-content-stack .content-title {
      margin: 0 0 20px;
      padding-bottom: 14px;
      border-bottom: 1px solid var(--line);
      font-size: 23px;
      line-height: 1.35;
    }

    .ea-content-stack .product-body {
      min-width: 0;
      max-width: 100%;
      overflow-x: auto;
      color: #344054;
      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 {
      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: 18px;
      padding: 20px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 8px;
    }

    .ea-content-stack .side-panel h2 {
      margin: 0 0 14px;
      font-size: 18px;
      line-height: 1.35;
    }

    .ea-content-stack .product-facts {
      margin: 0;
    }

    .ea-content-stack .product-facts div {
      padding: 11px 0;
      border-top: 1px solid #e8ecf2;
    }

    .ea-content-stack .product-facts dt {
      color: var(--muted);
      font-size: 12px;
    }

    .ea-content-stack .product-facts dd {
      margin: 2px 0 0;
      color: var(--ink);
      font-weight: 750;
      overflow-wrap: anywhere;
    }

    .ea-content-stack .notice-panel {
      color: #28364c;
      background: #edf4ff;
      border-color: #c7d7ef;
    }

    .ea-content-stack .notice-panel p {
      margin: 0;
      font-size: 13px;
    }

    .ea-content-stack .related-products {
      margin-top: 34px;
      padding-top: 32px;
      border-top: 1px solid var(--line);
    }

    .ea-content-stack .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 18px;
    }

    .ea-content-stack .section-head h2 {
      margin: 0;
      font-size: 26px;
    }

    .ea-content-stack .section-head span {
      color: var(--muted);
      font-size: 13px;
    }

    .ea-content-stack .related-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .ea-content-stack .related-card {
      min-width: 0;
      overflow: hidden;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 7px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .ea-content-stack .related-card:hover {
      border-color: #9cb4d9;
      box-shadow: var(--shadow);
      transform: translateY(-3px);
    }

    .ea-content-stack .related-card img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: contain;
      padding: 14px;
      background: #f8fafc;
      border-bottom: 1px solid var(--line);
    }

    .ea-content-stack .related-card-body {
      padding: 16px;
    }

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

    .ea-content-stack .related-card p {
      min-height: 48px;
      margin: 8px 0 12px;
      color: var(--muted);
      display: -webkit-box;
      overflow: hidden;
      font-size: 13px;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
    }

    .ea-content-stack .related-meta {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      color: var(--muted);
      font-size: 11px;
    }

    .footer {
      color: #c9d3e2;
      background: #111b2d;
    }

    .footer-main {
      display: grid;
      grid-template-columns: 1.4fr repeat(3, 1fr);
      gap: 42px;
      padding-top: 54px;
      padding-bottom: 42px;
    }

    .footer .logo {
      color: #fff;
    }

    .footer-brand p {
      max-width: 420px;
      margin: 18px 0;
      color: #9eabc0;
      font-size: 14px;
    }

    .footer-social {
      color: #fff;
    }

    .footer-col h3 {
      margin: 0 0 16px;
      color: #fff;
      font-size: 15px;
    }

    .footer-links,
    .footer-contact {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 9px;
      color: #aeb9ca;
      font-size: 13px;
    }

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

    .footer-contact span {
      color: #7f8da3;
      font-size: 11px;
      font-weight: 800;
    }

    .footer-bottom {
      min-height: 68px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      color: #8795aa;
      border-top: 1px solid #26334a;
      font-size: 12px;
    }

    .footer-bottom-links {
      display: flex;
      gap: 18px;
    }

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

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

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

      .hamburger {
        display: flex;
      }

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

    @media (max-width: 820px) {
      .topbar-welcome {
        display: none;
      }

      .topbar-inner {
        justify-content: flex-end;
      }

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

      .ea-content-stack .product-sidebar {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
      }

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

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

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

      .topbar-contact {
        width: 100%;
        justify-content: space-between;
        gap: 10px;
      }

      .topbar-contact a {
        max-width: 48%;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .header-inner {
        min-height: 66px;
        gap: 10px;
      }

      .logo span {
        max-width: 125px;
      }

      .logo img {
        width: 34px;
        height: 34px;
      }

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

      .ea-content-stack {
        padding: 22px 0 52px;
      }

      .ea-content-stack .product-image-stage {
        min-height: 240px;
        padding: 20px;
      }

      .ea-content-stack .product-heading,
      .ea-content-stack .product-content {
        padding: 21px;
      }

      .ea-content-stack h1 {
        font-size: 31px;
      }

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

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

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

      .ea-content-stack .section-head {
        display: block;
      }

      .ea-content-stack .section-head span {
        display: block;
        margin-top: 5px;
      }

      .footer-main {
        grid-template-columns: 1fr;
        gap: 30px;
        padding-top: 42px;
      }

      .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        padding: 18px 0;
      }
    }