:root {
      --theme: #0B3D91;
      --template-theme: {主题色};
      --theme-dark: #082d6b;
      --theme-soft: #eaf1fb;
      --accent: #1570ef;
      --success: #138a5b;
      --warning: #c56a10;
      --ink: #18202c;
      --muted: #626d7c;
      --line: #dce2ea;
      --surface: #ffffff;
      --surface-soft: #f5f7fa;
      --page: #eef2f6;
      --shadow: 0 12px 32px rgba(22, 34, 51, 0.1);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: var(--surface);
      font-family: Arial, "Noto Sans TC", "Microsoft JhengHei", sans-serif;
      font-size: 16px;
      line-height: 1.65;
    }

    body.drawer-lock {
      overflow: hidden;
    }

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

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

    button,
    input,
    select {
      font: inherit;
    }

    button {
      color: inherit;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

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

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

    .topbar {
      color: #e8eef8;
      background: #182333;
      font-size: 13px;
    }

    .topbar-inner {
      min-height: 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .topbar-welcome {
      min-width: 0;
    }

    .topbar-contact {
      display: flex;
      align-items: center;
      gap: 20px;
      flex-shrink: 0;
    }

    .topbar-contact a {
      color: #ffffff;
    }

    .topbar-contact a:hover,
    .topbar-contact a:focus-visible {
      text-decoration: underline;
    }

    .header {
      position: relative;
      z-index: 100;
      background: rgba(255, 255, 255, 0.98);
      border-bottom: 1px solid var(--line);
    }

    .header-inner {
      min-height: 78px;
      display: flex;
      align-items: center;
      gap: 28px;
    }

    .logo {
      min-width: 0;
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--ink);
      font-size: 20px;
      font-weight: 800;
    }

    .logo img {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      object-fit: contain;
    }

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

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

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

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

    .nav-link {
      position: relative;
      display: flex;
      align-items: center;
      padding: 0 11px;
      color: #293344;
      font-size: 14px;
      font-weight: 700;
      white-space: nowrap;
    }

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

    .nav-link::after {
      position: absolute;
      right: 11px;
      bottom: 15px;
      left: 11px;
      height: 2px;
      background: var(--theme);
      content: "";
      opacity: 0;
      transform: scaleX(0);
      transition: opacity 0.2s ease, transform 0.2s ease;
    }

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

    .nav-link.has-arrow {
      gap: 6px;
    }

    .nav-link.has-arrow::before {
      width: 6px;
      height: 6px;
      margin-top: -4px;
      order: 2;
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      content: "";
      transform: rotate(45deg);
    }

    .dropdown-panel,
    .mega-menu {
      position: absolute;
      top: 100%;
      z-index: 120;
      visibility: hidden;
      color: var(--ink);
      background: #ffffff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      opacity: 0;
      transform: translateY(8px);
      transition: visibility 0.2s ease, opacity 0.2s ease, transform 0.2s ease;
      pointer-events: none;
    }

    .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);
      pointer-events: auto;
    }

    .dropdown-panel {
      width: 330px;
      margin-left: -80px;
      padding: 18px;
      border-radius: 6px;
    }

    .dropdown-title {
      margin-bottom: 9px;
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0;
    }

    .dropdown-panel > a:not(.dropdown-all) {
      display: block;
      padding: 10px 0;
      border-bottom: 1px solid #edf0f4;
      font-size: 14px;
      font-weight: 700;
    }

    .dropdown-panel > a:not(.dropdown-all):hover {
      color: var(--theme);
    }

    .dropdown-all {
      margin-top: 10px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: var(--theme);
      font-size: 14px;
      font-weight: 800;
    }

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

    .mega-top {
      margin-bottom: 16px;
      padding-bottom: 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      border-bottom: 1px solid var(--line);
    }

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

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

    .text-link {
      color: var(--theme);
      font-size: 14px;
      font-weight: 800;
      white-space: nowrap;
    }

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

    .mega-categories a {
      padding: 7px 11px;
      color: #39465a;
      background: var(--surface-soft);
      border: 1px solid var(--line);
      border-radius: 4px;
      font-size: 13px;
      font-weight: 700;
    }

    .mega-categories a:hover {
      color: var(--theme);
      border-color: #a9bfdf;
    }

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

    .mega-card {
      min-width: 0;
      min-height: 94px;
      padding: 12px;
      display: flex;
      align-items: flex-start;
      gap: 12px;
      background: #ffffff;
      border: 1px solid var(--line);
      border-radius: 6px;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .mega-card:hover {
      border-color: #a9bfdf;
      box-shadow: 0 7px 18px rgba(11, 61, 145, 0.09);
    }

    .mega-card > img {
      width: 58px;
      height: 58px;
      flex: 0 0 58px;
      object-fit: contain;
      background: var(--surface-soft);
      border-radius: 4px;
    }

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

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

    .mega-card-body strong {
      display: block;
      overflow: hidden;
      color: #202a38;
      font-size: 14px;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mega-card-body p {
      margin: 5px 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-meta {
      margin-top: 7px;
      display: flex;
      flex-wrap: wrap;
      gap: 4px 9px;
      color: var(--muted);
      font-size: 11px;
    }

    .video-duration {
      margin-top: 6px;
      display: inline-block;
      color: var(--theme);
      font-size: 11px;
      font-weight: 800;
    }

    .mega-footer {
      margin-top: 16px;
      padding: 11px 14px;
      display: block;
      color: #ffffff;
      background: var(--theme);
      border-radius: 4px;
      text-align: center;
      font-size: 14px;
      font-weight: 800;
    }

    .header-btns {
      display: flex;
      align-items: center;
      gap: 9px;
      flex-shrink: 0;
    }

    .header-member {
      font-size: 14px;
      font-weight: 700;
    }

    .account-btn {
      min-height: 40px;
      padding: 8px 15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      background: var(--theme);
      border: 1px solid var(--theme);
      border-radius: 4px;
      font-size: 14px;
      font-weight: 800;
    }

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

    .hamburger {
      width: 42px;
      height: 42px;
      padding: 10px;
      display: none;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      background: #ffffff;
      border: 1px solid var(--line);
      border-radius: 4px;
      cursor: pointer;
    }

    .hamburger span {
      width: 20px;
      height: 2px;
      display: block;
      background: var(--ink);
      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: 800;
      visibility: hidden;
      background: rgba(10, 19, 32, 0.56);
      opacity: 0;
      transition: visibility 0.25s ease, opacity 0.25s ease;
    }

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

    .mobile-drawer {
      position: fixed;
      top: 0;
      right: 0;
      bottom: 0;
      z-index: 900;
      width: min(390px, 92vw);
      overflow-y: auto;
      background: #ffffff;
      box-shadow: -14px 0 36px rgba(0, 0, 0, 0.16);
      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-size: 14px;
      font-weight: 800;
    }

    .drawer-close {
      width: 40px;
      height: 40px;
      margin-left: auto;
      padding: 0;
      color: #273142;
      background: var(--surface-soft);
      border: 1px solid var(--line);
      border-radius: 4px;
      font-size: 28px;
      line-height: 1;
      cursor: pointer;
    }

    .drawer-menu {
      padding: 12px 16px 28px;
    }

    .drawer-link,
    .drawer-toggle {
      width: 100%;
      min-height: 48px;
      padding: 12px 4px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: #263143;
      background: transparent;
      border: 0;
      border-bottom: 1px solid var(--line);
      text-align: left;
      font-weight: 800;
      cursor: pointer;
    }

    .drawer-toggle::after {
      width: 8px;
      height: 8px;
      margin-right: 5px;
      border-right: 2px solid var(--muted);
      border-bottom: 2px solid var(--muted);
      content: "";
      transform: rotate(45deg);
      transition: transform 0.2s ease;
    }

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

    .drawer-submenu {
      max-height: 0;
      overflow: hidden;
      background: var(--surface-soft);
      transition: max-height 0.3s ease;
    }

    .drawer-submenu.open {
      max-height: 680px;
    }

    .drawer-submenu a {
      padding: 10px 14px;
      display: block;
      color: #4c586a;
      border-bottom: 1px solid #e6eaf0;
      font-size: 14px;
    }

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

    .download-page-main {
      min-width: 0;
      overflow: hidden;
      background: #ffffff;
    }

    .download-page-main .download-intro {
      padding: 72px 0 64px;
      color: #ffffff;
      background:
        linear-gradient(rgba(8, 45, 107, 0.93), rgba(11, 61, 145, 0.96)),
        #0B3D91;
    }

    .download-page-main .intro-inner {
      max-width: 850px;
      margin: 0 auto;
      text-align: center;
    }

    .download-page-main .eyebrow {
      margin: 0 0 13px;
      color: #bcd5ff;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0;
    }

    .download-page-main h1 {
      margin: 0;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.14;
      letter-spacing: 0;
    }

    .download-page-main .intro-copy {
      max-width: 720px;
      margin: 20px auto 0;
      color: #e8effb;
      font-size: 18px;
    }

    .download-page-main .intro-actions {
      margin-top: 30px;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
    }

    .download-page-main .primary-action,
    .download-page-main .secondary-action {
      min-height: 48px;
      padding: 11px 20px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 4px;
      font-weight: 800;
    }

    .download-page-main .primary-action {
      color: var(--theme);
      background: #ffffff;
      border: 1px solid #ffffff;
    }

    .download-page-main .secondary-action {
      color: #ffffff;
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.48);
    }

    .download-page-main .primary-action:hover {
      background: #edf4ff;
    }

    .download-page-main .secondary-action:hover {
      background: rgba(255, 255, 255, 0.1);
    }

    .download-page-main .trust-strip {
      border-bottom: 1px solid var(--line);
      background: #ffffff;
    }

    .download-page-main .trust-grid {
      min-height: 84px;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      align-items: center;
    }

    .download-page-main .trust-item {
      padding: 13px 24px;
      text-align: center;
      border-right: 1px solid var(--line);
    }

    .download-page-main .trust-item:last-child {
      border-right: 0;
    }

    .download-page-main .trust-item strong {
      display: block;
      color: var(--theme);
      font-size: 15px;
    }

    .download-page-main .trust-item span {
      display: block;
      margin-top: 2px;
      color: var(--muted);
      font-size: 13px;
    }

    .download-page-main .download-section {
      padding: 72px 0;
    }

    .download-page-main .soft-section {
      background: var(--surface-soft);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .download-page-main .section-head {
      max-width: 740px;
      margin: 0 auto 34px;
      text-align: center;
    }

    .download-page-main .section-head h2 {
      margin: 0;
      color: #1d2735;
      font-size: 32px;
      line-height: 1.25;
      letter-spacing: 0;
    }

    .download-page-main .section-head p {
      margin: 12px 0 0;
      color: var(--muted);
    }

    .download-page-main .platform-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }

    .download-page-main .platform-card {
      min-width: 0;
      padding: 26px;
      background: #ffffff;
      border: 1px solid var(--line);
      border-top: 4px solid var(--theme);
      border-radius: 6px;
      box-shadow: 0 8px 22px rgba(27, 42, 64, 0.06);
    }

    .download-page-main .platform-mark {
      width: 46px;
      height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      background: var(--theme);
      border-radius: 6px;
      font-size: 18px;
      font-weight: 900;
    }

    .download-page-main .platform-card h3 {
      margin: 18px 0 8px;
      font-size: 21px;
    }

    .download-page-main .platform-card p {
      margin: 0;
      color: var(--muted);
    }

    .download-page-main .platform-list {
      margin: 18px 0 22px;
      padding: 0;
      list-style: none;
    }

    .download-page-main .platform-list li {
      position: relative;
      padding: 8px 0 8px 22px;
      border-bottom: 1px solid #edf0f4;
      color: #3c4859;
      font-size: 14px;
    }

    .download-page-main .platform-list li::before {
      position: absolute;
      top: 13px;
      left: 2px;
      width: 8px;
      height: 8px;
      background: var(--success);
      border-radius: 50%;
      content: "";
    }

    .download-page-main .card-action {
      width: 100%;
      min-height: 44px;
      padding: 10px 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      background: var(--theme);
      border-radius: 4px;
      font-weight: 800;
    }

    .download-page-main .card-action:hover {
      background: var(--theme-dark);
    }

    .download-page-main .steps {
      position: relative;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
    }

    .download-page-main .steps::before {
      position: absolute;
      top: 28px;
      right: 11%;
      left: 11%;
      height: 2px;
      background: #b9c7db;
      content: "";
    }

    .download-page-main .step {
      position: relative;
      z-index: 1;
      min-width: 0;
      text-align: center;
    }

    .download-page-main .step-number {
      width: 58px;
      height: 58px;
      margin: 0 auto 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      background: var(--theme);
      border: 7px solid var(--surface-soft);
      border-radius: 50%;
      box-shadow: 0 0 0 1px #aebbd0;
      font-weight: 900;
    }

    .download-page-main .step h3 {
      margin: 0;
      font-size: 18px;
    }

    .download-page-main .step p {
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .download-page-main .notice {
      margin-top: 34px;
      padding: 18px 20px;
      display: flex;
      align-items: flex-start;
      gap: 14px;
      background: #fff8e9;
      border: 1px solid #ecd39c;
      border-left: 4px solid var(--warning);
      border-radius: 4px;
    }

    .download-page-main .notice-mark {
      width: 28px;
      height: 28px;
      flex: 0 0 28px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      background: var(--warning);
      border-radius: 50%;
      font-weight: 900;
    }

    .download-page-main .notice strong {
      display: block;
      color: #75400b;
    }

    .download-page-main .notice p {
      margin: 3px 0 0;
      color: #6e5a3d;
      font-size: 14px;
    }

    .download-page-main .requirements {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .download-page-main .requirement-panel {
      padding: 26px;
      background: #ffffff;
      border: 1px solid var(--line);
      border-radius: 6px;
    }

    .download-page-main .requirement-panel h3 {
      margin: 0 0 15px;
      color: var(--theme);
      font-size: 20px;
    }

    .download-page-main .requirement-panel dl {
      margin: 0;
    }

    .download-page-main .requirement-panel div {
      padding: 11px 0;
      display: grid;
      grid-template-columns: 105px minmax(0, 1fr);
      gap: 12px;
      border-bottom: 1px solid #edf0f4;
    }

    .download-page-main .requirement-panel div:last-child {
      border-bottom: 0;
    }

    .download-page-main .requirement-panel dt {
      color: #333f50;
      font-weight: 800;
    }

    .download-page-main .requirement-panel dd {
      margin: 0;
      color: var(--muted);
    }

    .download-page-main .faq-list {
      max-width: 880px;
      margin: 0 auto;
      border-top: 1px solid var(--line);
    }

    .download-page-main .faq-item {
      padding: 22px 4px;
      border-bottom: 1px solid var(--line);
    }

    .download-page-main .faq-item h3 {
      margin: 0;
      font-size: 18px;
    }

    .download-page-main .faq-item p {
      margin: 8px 0 0;
      color: var(--muted);
    }

    .download-page-main .download-cta {
      padding: 64px 0;
      color: #ffffff;
      background: #192434;
    }

    .download-page-main .cta-inner {
      max-width: 820px;
      margin: 0 auto;
      text-align: center;
    }

    .download-page-main .cta-inner h2 {
      margin: 0;
      font-size: 32px;
      letter-spacing: 0;
    }

    .download-page-main .cta-inner p {
      margin: 12px auto 24px;
      color: #cdd6e3;
    }

    .download-page-main .cta-button {
      min-height: 48px;
      padding: 11px 22px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--theme);
      background: #ffffff;
      border-radius: 4px;
      font-weight: 900;
    }

    .footer {
      color: #cbd4e2;
      background: #111a27;
    }

    .footer-main {
      padding-top: 56px;
      padding-bottom: 44px;
      display: grid;
      grid-template-columns: 1.45fr 1fr 1fr 1fr;
      gap: 40px;
    }

    .footer .logo {
      color: #ffffff;
    }

    .footer-brand p {
      max-width: 420px;
      margin: 18px 0;
      color: #aeb9c9;
      font-size: 14px;
    }

    .footer-social {
      color: #ffffff;
    }

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

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

    .footer-links a {
      color: #aeb9c9;
      font-size: 14px;
    }

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

    .footer-contact {
      display: grid;
      gap: 6px;
      font-size: 14px;
    }

    .footer-contact span {
      margin-top: 5px;
      color: #7f8ca0;
      font-size: 12px;
      font-weight: 800;
    }

    .footer-contact a {
      color: #dce4ef;
      overflow-wrap: anywhere;
    }

    .footer-bottom {
      min-height: 68px;
      padding-top: 16px;
      padding-bottom: 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      border-top: 1px solid #2a3545;
      color: #8f9caf;
      font-size: 13px;
    }

    .footer-bottom-links {
      display: flex;
      gap: 18px;
      flex-shrink: 0;
    }

    .footer-bottom a:hover {
      color: #ffffff;
    }

    @media (max-width: 1120px) {
      .main-nav {
        display: none;
      }

      .hamburger {
        display: flex;
      }

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

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

    @media (max-width: 820px) {
      .topbar-inner {
        padding: 8px 0;
        align-items: flex-start;
        flex-direction: column;
        gap: 3px;
      }

      .topbar-contact {
        flex-wrap: wrap;
        gap: 4px 16px;
      }

      .header-inner {
        min-height: 70px;
        gap: 12px;
      }

      .header .logo {
        max-width: 44%;
      }

      .header-member {
        display: none;
      }

      .download-page-main .download-intro {
        padding: 56px 0 50px;
      }

      .download-page-main .intro-copy {
        font-size: 16px;
      }

      .download-page-main .trust-grid {
        grid-template-columns: 1fr;
        padding: 8px 0;
      }

      .download-page-main .trust-item {
        padding: 10px 14px;
        border-right: 0;
        border-bottom: 1px solid var(--line);
      }

      .download-page-main .trust-item:last-child {
        border-bottom: 0;
      }

      .download-page-main .platform-grid {
        grid-template-columns: 1fr;
      }

      .download-page-main .steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 28px 18px;
      }

      .download-page-main .steps::before {
        display: none;
      }

      .download-page-main .requirements {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 600px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .topbar-welcome {
        font-size: 12px;
      }

      .header .logo {
        max-width: calc(100% - 110px);
        font-size: 17px;
      }

      .header .logo img {
        width: 36px;
        height: 36px;
        flex-basis: 36px;
      }

      .account-btn {
        display: none;
      }

      .download-page-main h1 {
        font-size: 36px;
      }

      .download-page-main .intro-actions {
        align-items: stretch;
        flex-direction: column;
      }

      .download-page-main .primary-action,
      .download-page-main .secondary-action {
        width: 100%;
      }

      .download-page-main .download-section {
        padding: 54px 0;
      }

      .download-page-main .section-head h2,
      .download-page-main .cta-inner h2 {
        font-size: 27px;
      }

      .download-page-main .platform-card {
        padding: 22px;
      }

      .download-page-main .steps {
        grid-template-columns: 1fr;
      }

      .download-page-main .step {
        padding: 0 10px;
      }

      .download-page-main .notice {
        flex-direction: column;
      }

      .download-page-main .requirement-panel {
        padding: 20px;
      }

      .download-page-main .requirement-panel div {
        grid-template-columns: 1fr;
        gap: 2px;
      }

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

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