:root {
      --primary: #0B3D91;
      --primary-dark: #072B68;
      --primary-soft: #EAF1FC;
      --secondary: #1167D8;
      --cyan: #07A6C7;
      --green: #17864A;
      --orange: #E96B22;
      --yellow: #F1B61A;
      --red: #D9473F;
      --ink: #10213B;
      --muted: #60708A;
      --line: #DCE4EF;
      --surface: #FFFFFF;
      --surface-soft: #F5F8FC;
      --shadow: 0 18px 50px rgba(11, 61, 145, 0.12);
      --radius: 20px;
      --template-theme: "{主题色}";
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: #FFFFFF;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
      line-height: 1.65;
      overflow-x: hidden;
    }

    body.drawer-locked {
      overflow: hidden;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      color: inherit;
    }

    .container {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
    }

    .topbar {
      position: relative;
      z-index: 110;
      color: #DCE8FF;
      background: var(--primary-dark);
      font-size: 13px;
    }

    .topbar-inner {
      min-height: 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .topbar-contact {
      display: flex;
      align-items: center;
      gap: 22px;
    }

    .topbar a {
      color: #FFFFFF;
      transition: opacity 0.2s ease;
    }

    .topbar a:hover {
      opacity: 0.78;
    }

    .header {
      position: relative;
      z-index: 100;
      background: rgba(255, 255, 255, 0.98);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 5px 20px rgba(16, 33, 59, 0.04);
    }

    .header-inner {
      min-height: 78px;
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .logo {
      min-width: 0;
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: var(--primary);
      font-size: 20px;
      font-weight: 900;
      letter-spacing: -0.02em;
    }

    .logo img {
      width: 42px;
      height: 42px;
      flex: 0 0 auto;
      border-radius: 11px;
      object-fit: contain;
      background: #FFFFFF;
    }

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

    .main-nav {
      align-self: stretch;
      flex: 1;
      display: flex;
      justify-content: center;
    }

    .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;
      display: flex;
      align-items: center;
      padding: 0 13px;
      color: #263954;
      font-size: 14px;
      font-weight: 750;
      white-space: nowrap;
      transition: color 0.2s ease;
    }

    .nav-link::after {
      position: absolute;
      right: 13px;
      bottom: 13px;
      left: 13px;
      height: 2px;
      content: "";
      background: var(--primary);
      border-radius: 4px;
      opacity: 0;
      transform: scaleX(0.5);
      transition: 0.2s ease;
    }

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

    .nav-link:hover::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;
      order: 2;
      content: "";
      border-right: 1.5px solid currentColor;
      border-bottom: 1.5px solid currentColor;
      transform: rotate(45deg) translateY(-2px);
    }

    .dropdown-panel,
    .mega-menu {
      position: absolute;
      top: 100%;
      visibility: hidden;
      opacity: 0;
      transform: translateY(8px);
      pointer-events: none;
      transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    }

    .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 {
      left: 0;
      width: 300px;
      padding: 12px;
      background: #FFFFFF;
      border: 1px solid var(--line);
      border-radius: 0 0 16px 16px;
      box-shadow: var(--shadow);
    }

    .dropdown-panel > a {
      display: block;
      padding: 10px 12px;
      color: #344760;
      border-radius: 9px;
      font-size: 14px;
    }

    .dropdown-panel > a:hover {
      color: var(--primary);
      background: var(--primary-soft);
    }

    .dropdown-panel .dropdown-all {
      margin-top: 7px;
      color: var(--primary);
      border-top: 1px solid var(--line);
      border-radius: 0 0 9px 9px;
      font-weight: 800;
    }

    .mega-menu {
      left: 50%;
      width: min(920px, calc(100vw - 48px));
      padding: 24px;
      background: #FFFFFF;
      border: 1px solid var(--line);
      border-radius: 0 0 20px 20px;
      box-shadow: var(--shadow);
      transform: translate(-50%, 8px);
    }

    .nav-item:hover > .mega-menu,
    .nav-item:focus-within > .mega-menu {
      transform: translate(-50%, 0);
    }

    .mega-heading {
      margin: 0 0 14px;
      color: var(--ink);
      font-size: 16px;
    }

    .mega-categories {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 17px;
    }

    .mega-categories a {
      padding: 7px 12px;
      color: var(--primary);
      background: var(--primary-soft);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 750;
    }

    .mega-categories a:hover {
      color: #FFFFFF;
      background: var(--primary);
    }

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

    .mega-card {
      min-width: 0;
      min-height: 86px;
      padding: 13px;
      display: grid;
      grid-template-columns: 44px minmax(0, 1fr);
      align-content: start;
      gap: 5px 11px;
      color: #263954;
      background: var(--surface-soft);
      border: 1px solid #E7EDF5;
      border-radius: 13px;
      transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    }

    .mega-card:hover {
      background: #FFFFFF;
      border-color: #AFC5E9;
      transform: translateY(-2px);
    }

    .mega-card img {
      width: 44px;
      height: 44px;
      grid-row: 1 / span 3;
      object-fit: contain;
      border-radius: 9px;
      background: #FFFFFF;
    }

    .mega-card strong {
      min-width: 0;
      overflow: hidden;
      color: var(--ink);
      font-size: 14px;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .mega-card p {
      margin: 0;
      display: -webkit-box;
      overflow: hidden;
      color: var(--muted);
      font-size: 12px;
      line-height: 1.5;
      -webkit-box-orient: vertical;
      -webkit-line-clamp: 2;
    }

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

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

    .mega-footer {
      margin-top: 16px;
      padding: 11px 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFFFFF;
      background: var(--primary);
      border-radius: 11px;
      font-size: 14px;
      font-weight: 800;
    }

    .header-btns {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .member-entry {
      color: var(--primary);
      font-size: 14px;
      font-weight: 750;
      white-space: nowrap;
    }

    .account-btn {
      padding: 10px 15px;
      color: #FFFFFF;
      background: var(--primary);
      border: 1px solid var(--primary);
      border-radius: 10px;
      font-size: 14px;
      font-weight: 800;
      white-space: nowrap;
      box-shadow: 0 7px 18px rgba(11, 61, 145, 0.18);
      transition: 0.2s ease;
    }

    .account-btn:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
    }

    .hamburger {
      width: 42px;
      height: 42px;
      padding: 0;
      display: none;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      background: #FFFFFF;
      border: 1px solid var(--line);
      border-radius: 10px;
      cursor: pointer;
    }

    .hamburger span {
      width: 20px;
      height: 2px;
      display: block;
      background: var(--primary);
      border-radius: 4px;
      transition: 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;
      z-index: 198;
      inset: 0;
      visibility: hidden;
      opacity: 0;
      background: rgba(7, 22, 47, 0.58);
      backdrop-filter: blur(3px);
      transition: 0.25s ease;
    }

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

    .mobile-drawer {
      position: fixed;
      z-index: 199;
      top: 0;
      right: 0;
      width: min(390px, 90vw);
      height: 100dvh;
      overflow-y: auto;
      visibility: hidden;
      background: #FFFFFF;
      box-shadow: -25px 0 65px rgba(7, 22, 47, 0.2);
      transform: translateX(100%);
      transition: transform 0.28s ease, visibility 0.28s ease;
    }

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

    .drawer-head {
      min-height: 76px;
      padding: 15px 18px;
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--primary);
      background: var(--primary-soft);
      border-bottom: 1px solid var(--line);
      font-weight: 750;
    }

    .drawer-head > a {
      margin-left: auto;
      padding: 7px 11px;
      color: #FFFFFF;
      background: var(--primary);
      border-radius: 8px;
      font-size: 13px;
    }

    .drawer-close {
      width: 38px;
      height: 38px;
      padding: 0;
      color: var(--ink);
      background: #FFFFFF;
      border: 1px solid var(--line);
      border-radius: 9px;
      font-size: 25px;
      line-height: 1;
      cursor: pointer;
    }

    .drawer-menu {
      padding: 15px 18px 30px;
    }

    .drawer-link,
    .drawer-toggle {
      width: 100%;
      min-height: 48px;
      padding: 11px 4px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: var(--ink);
      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;
      content: "";
      border-right: 2px solid var(--primary);
      border-bottom: 2px solid var(--primary);
      transform: rotate(45deg);
      transition: transform 0.2s ease;
    }

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

    .drawer-submenu {
      max-height: 0;
      overflow: hidden;
      opacity: 0;
      transition: max-height 0.3s ease, opacity 0.2s ease;
    }

    .drawer-submenu.open {
      max-height: 700px;
      opacity: 1;
    }

    .drawer-submenu a {
      display: block;
      margin-left: 10px;
      padding: 9px 12px;
      color: var(--muted);
      border-left: 2px solid var(--primary-soft);
      font-size: 14px;
    }

    .drawer-submenu a:hover {
      color: var(--primary);
      background: var(--primary-soft);
    }

    .target-page-main.download-page-main {
      min-width: 0;
      background:
        radial-gradient(circle at 12% 6%, rgba(17, 103, 216, 0.12), transparent 27%),
        radial-gradient(circle at 88% 15%, rgba(7, 166, 199, 0.1), transparent 24%),
        #FFFFFF;
    }

    .download-page-main .download-hero {
      position: relative;
      padding: 88px 0 70px;
      overflow: hidden;
      text-align: center;
    }

    .download-page-main .download-hero::before,
    .download-page-main .download-hero::after {
      position: absolute;
      content: "";
      border: 2px solid rgba(11, 61, 145, 0.08);
      border-radius: 28px;
      transform: rotate(12deg);
    }

    .download-page-main .download-hero::before {
      top: 45px;
      left: -45px;
      width: 175px;
      height: 175px;
    }

    .download-page-main .download-hero::after {
      right: -30px;
      bottom: 38px;
      width: 135px;
      height: 135px;
      transform: rotate(-14deg);
    }

    .download-page-main .eyebrow {
      margin: 0 0 16px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary);
      font-size: 14px;
      font-weight: 900;
      letter-spacing: 0.08em;
    }

    .download-page-main .eyebrow::before {
      width: 9px;
      height: 9px;
      content: "";
      background: var(--yellow);
      border: 2px solid var(--ink);
      border-radius: 2px;
      box-shadow: 7px 0 0 var(--red), 14px 0 0 var(--cyan);
    }

    .download-page-main .download-hero h1 {
      max-width: 900px;
      margin: 0 auto 20px;
      color: var(--ink);
      font-size: clamp(38px, 6vw, 70px);
      line-height: 1.08;
      letter-spacing: -0.055em;
    }

    .download-page-main .download-hero h1 span {
      color: var(--primary);
    }

    .download-page-main .hero-description {
      max-width: 760px;
      margin: 0 auto;
      color: var(--muted);
      font-size: clamp(17px, 2vw, 20px);
    }

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

    .download-page-main .primary-action,
    .download-page-main .secondary-action {
      min-height: 50px;
      padding: 12px 20px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      font-weight: 850;
      transition: 0.2s ease;
    }

    .download-page-main .primary-action {
      color: #FFFFFF;
      background: var(--primary);
      box-shadow: 0 12px 27px rgba(11, 61, 145, 0.22);
    }

    .download-page-main .secondary-action {
      color: var(--primary);
      background: #FFFFFF;
      border: 1px solid #B9CBE7;
    }

    .download-page-main .primary-action:hover,
    .download-page-main .secondary-action:hover {
      transform: translateY(-2px);
    }

    .download-page-main .download-board {
      position: relative;
      max-width: 1000px;
      margin: 45px auto 0;
      padding: 22px;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
      background: rgba(255, 255, 255, 0.88);
      border: 1px solid var(--line);
      border-radius: 25px;
      box-shadow: var(--shadow);
      text-align: left;
      backdrop-filter: blur(10px);
    }

    .download-page-main .device-tile {
      position: relative;
      min-height: 165px;
      padding: 21px;
      overflow: hidden;
      background: #FFFFFF;
      border: 2px solid var(--ink);
      border-radius: 15px;
      box-shadow: 5px 6px 0 var(--ink);
    }

    .download-page-main .device-tile:nth-child(1) {
      border-top: 12px solid var(--primary);
    }

    .download-page-main .device-tile:nth-child(2) {
      border-top: 12px solid var(--red);
    }

    .download-page-main .device-tile:nth-child(3) {
      border-top: 12px solid var(--yellow);
    }

    .download-page-main .device-tile:nth-child(4) {
      border-top: 12px solid var(--green);
    }

    .download-page-main .device-icon {
      width: 44px;
      height: 44px;
      margin-bottom: 15px;
      display: grid;
      place-items: center;
      color: #FFFFFF;
      background: var(--primary);
      border-radius: 11px;
      font-size: 18px;
      font-weight: 950;
    }

    .download-page-main .device-tile:nth-child(2) .device-icon {
      background: var(--red);
    }

    .download-page-main .device-tile:nth-child(3) .device-icon {
      color: var(--ink);
      background: var(--yellow);
    }

    .download-page-main .device-tile:nth-child(4) .device-icon {
      background: var(--green);
    }

    .download-page-main .device-tile h2 {
      margin: 0 0 5px;
      font-size: 18px;
    }

    .download-page-main .device-tile p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
    }

    .download-page-main .notice-strip {
      margin-top: 23px;
      padding: 14px 18px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #4A3B0D;
      background: #FFF8D8;
      border: 1px solid #EEDB83;
      border-radius: 12px;
      font-size: 14px;
      font-weight: 750;
    }

    .download-page-main .notice-strip::before {
      width: 10px;
      height: 10px;
      flex: 0 0 auto;
      content: "";
      background: var(--yellow);
      border: 2px solid #7A6000;
      border-radius: 50%;
    }

    .download-page-main .section {
      padding: 82px 0;
    }

    .download-page-main .section-soft {
      background: var(--surface-soft);
      border-top: 1px solid #E7EDF5;
      border-bottom: 1px solid #E7EDF5;
    }

    .download-page-main .section-heading {
      max-width: 760px;
      margin: 0 auto 38px;
      text-align: center;
    }

    .download-page-main .section-heading .label {
      color: var(--primary);
      font-size: 13px;
      font-weight: 900;
      letter-spacing: 0.1em;
    }

    .download-page-main .section-heading h2 {
      margin: 8px 0 12px;
      font-size: clamp(29px, 4vw, 44px);
      line-height: 1.2;
      letter-spacing: -0.035em;
    }

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

    .download-page-main .step-grid {
      position: relative;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 22px;
    }

    .download-page-main .step-card {
      position: relative;
      padding: 29px;
      background: #FFFFFF;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: 0 12px 32px rgba(16, 33, 59, 0.07);
    }

    .download-page-main .step-number {
      width: 48px;
      height: 48px;
      margin-bottom: 20px;
      display: grid;
      place-items: center;
      color: #FFFFFF;
      background: var(--primary);
      border-radius: 13px;
      font-size: 19px;
      font-weight: 950;
      box-shadow: 4px 4px 0 #9DB8E2;
    }

    .download-page-main .step-card:nth-child(2) .step-number {
      background: var(--orange);
      box-shadow: 4px 4px 0 #F5BA94;
    }

    .download-page-main .step-card:nth-child(3) .step-number {
      background: var(--green);
      box-shadow: 4px 4px 0 #9CCDB1;
    }

    .download-page-main .step-card h3 {
      margin: 0 0 10px;
      font-size: 21px;
    }

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

    .download-page-main .security-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
      gap: 28px;
      align-items: stretch;
    }

    .download-page-main .security-copy,
    .download-page-main .check-panel {
      padding: clamp(25px, 4vw, 42px);
      border-radius: 24px;
    }

    .download-page-main .security-copy {
      color: #FFFFFF;
      background: var(--primary);
      box-shadow: var(--shadow);
    }

    .download-page-main .security-copy h2 {
      margin: 0 0 14px;
      font-size: clamp(28px, 4vw, 41px);
      line-height: 1.2;
    }

    .download-page-main .security-copy p {
      margin: 0 0 23px;
      color: #DDE9FF;
    }

    .download-page-main .security-copy a {
      display: inline-flex;
      padding: 11px 17px;
      color: var(--primary);
      background: #FFFFFF;
      border-radius: 10px;
      font-weight: 850;
    }

    .download-page-main .check-panel {
      background: #FFFFFF;
      border: 1px solid var(--line);
      box-shadow: 0 12px 35px rgba(16, 33, 59, 0.07);
    }

    .download-page-main .check-panel h2 {
      margin: 0 0 20px;
      font-size: 25px;
    }

    .download-page-main .check-list {
      margin: 0;
      padding: 0;
      display: grid;
      gap: 14px;
      list-style: none;
    }

    .download-page-main .check-list li {
      position: relative;
      padding: 14px 15px 14px 49px;
      color: #344760;
      background: var(--surface-soft);
      border-radius: 12px;
    }

    .download-page-main .check-list li::before {
      position: absolute;
      top: 13px;
      left: 14px;
      width: 24px;
      height: 24px;
      display: grid;
      place-items: center;
      content: "✓";
      color: #FFFFFF;
      background: var(--green);
      border-radius: 50%;
      font-size: 13px;
      font-weight: 950;
    }

    .download-page-main .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: grid;
      gap: 13px;
    }

    .download-page-main .faq-item {
      overflow: hidden;
      background: #FFFFFF;
      border: 1px solid var(--line);
      border-radius: 15px;
    }

    .download-page-main .faq-question {
      width: 100%;
      padding: 19px 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      background: #FFFFFF;
      border: 0;
      text-align: left;
      font-weight: 850;
      cursor: pointer;
    }

    .download-page-main .faq-question::after {
      width: 12px;
      height: 12px;
      flex: 0 0 auto;
      content: "";
      border-right: 2px solid var(--primary);
      border-bottom: 2px solid var(--primary);
      transform: rotate(45deg);
      transition: transform 0.2s ease;
    }

    .download-page-main .faq-question.active::after {
      transform: rotate(225deg);
    }

    .download-page-main .faq-answer {
      max-height: 0;
      overflow: hidden;
      color: var(--muted);
      opacity: 0;
      transition: max-height 0.3s ease, opacity 0.2s ease;
    }

    .download-page-main .faq-answer.open {
      max-height: 260px;
      opacity: 1;
    }

    .download-page-main .faq-answer p {
      margin: 0;
      padding: 0 22px 21px;
    }

    .download-page-main .final-cta {
      padding: 78px 0;
    }

    .download-page-main .cta-panel {
      position: relative;
      padding: clamp(34px, 7vw, 68px);
      overflow: hidden;
      color: #FFFFFF;
      background: linear-gradient(135deg, var(--primary-dark), var(--primary) 62%, #1167D8);
      border-radius: 28px;
      text-align: center;
      box-shadow: 0 25px 60px rgba(11, 61, 145, 0.22);
    }

    .download-page-main .cta-panel::before,
    .download-page-main .cta-panel::after {
      position: absolute;
      content: "";
      background: rgba(255, 255, 255, 0.1);
      border: 2px solid rgba(255, 255, 255, 0.15);
      border-radius: 18px;
      transform: rotate(16deg);
    }

    .download-page-main .cta-panel::before {
      top: -35px;
      left: 7%;
      width: 100px;
      height: 100px;
    }

    .download-page-main .cta-panel::after {
      right: 8%;
      bottom: -44px;
      width: 125px;
      height: 125px;
    }

    .download-page-main .cta-panel h2 {
      position: relative;
      margin: 0 0 13px;
      font-size: clamp(29px, 5vw, 48px);
      line-height: 1.15;
    }

    .download-page-main .cta-panel p {
      position: relative;
      max-width: 680px;
      margin: 0 auto 25px;
      color: #DDE9FF;
    }

    .download-page-main .cta-panel a {
      position: relative;
      padding: 13px 21px;
      display: inline-flex;
      color: var(--primary);
      background: #FFFFFF;
      border-radius: 11px;
      font-weight: 900;
    }

    .footer {
      color: #D9E4F5;
      background: #07162F;
    }

    .footer-main {
      padding: 62px 0 43px;
      display: grid;
      grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr));
      gap: 42px;
    }

    .footer .logo {
      color: #FFFFFF;
    }

    .footer-brand p {
      max-width: 390px;
      margin: 18px 0 0;
      color: #AAB9CF;
      font-size: 14px;
    }

    .footer h2 {
      margin: 5px 0 17px;
      color: #FFFFFF;
      font-size: 15px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: #B8C6D9;
      font-size: 14px;
      transition: color 0.2s ease, transform 0.2s ease;
    }

    .footer-links a:hover {
      color: #FFFFFF;
      transform: translateX(2px);
    }

    .footer-bottom {
      min-height: 68px;
      padding: 16px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 25px;
      color: #8FA1BB;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      font-size: 13px;
    }

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

      .hamburger {
        display: flex;
      }

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

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

    @media (max-width: 900px) {
      .download-page-main .download-board {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

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

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

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

    @media (max-width: 680px) {
      .container {
        width: min(100% - 28px, 1180px);
      }

      .topbar-inner {
        padding: 8px 0;
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
      }

      .topbar-contact {
        width: 100%;
        flex-wrap: wrap;
        gap: 5px 15px;
      }

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

      .header .logo span {
        max-width: 135px;
      }

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

      .download-page-main .download-hero {
        padding: 62px 0 50px;
      }

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

      .download-page-main .download-board {
        padding: 15px;
        grid-template-columns: 1fr;
      }

      .download-page-main .device-tile {
        min-height: 145px;
      }

      .download-page-main .section {
        padding: 62px 0;
      }

      .download-page-main .step-card {
        padding: 24px;
      }

      .footer-main {
        grid-template-columns: 1fr;
        gap: 31px;
      }

      .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
      }
    }