:root {
      --brand: #ff6a2a;
      --brand-dark: #e74d0d;
      --brand-soft: #fff0e7;
      --ink: #172033;
      --muted: #687184;
      --line: #e9e5df;
      --surface-soft: #faf8f5;
      --success: #20a86b;
      --warning: #e79628;
      --shadow-sm: 0 9px 28px rgba(31, 38, 54, .07);
      --shadow-lg: 0 28px 80px rgba(31, 38, 54, .14);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background: #fff;
      font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
      font-size: 16px;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

    button {
      color: inherit;
      font: inherit;
    }

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

    svg {
      display: block;
    }

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

    .site-header {
      position: fixed;
      inset: 0 0 auto;
      z-index: 50;
      height: 76px;
      border-bottom: 1px solid transparent;
      background: rgba(255, 255, 255, .84);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      transition: height .25s ease, border-color .25s ease, box-shadow .25s ease;
    }

    .site-header.scrolled {
      height: 68px;
      border-color: rgba(23, 32, 51, .08);
      box-shadow: 0 8px 30px rgba(23, 32, 51, .06);
    }

    .nav {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 26px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      flex: 0 0 auto;
      font-weight: 820;
      letter-spacing: 0;
    }

    .brand-mark {
      width: 38px;
      height: 39px;
      display: grid;
      place-items: center;
      border-radius: 0;
      background: transparent;
      box-shadow: none;
      transform: none;
    }

    .brand-mark svg {
      width: 21px;
      height: 21px;
      transform: rotate(5deg);
    }

    .brand-mark img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    .dynamic-helper {
      margin-top: 18px;
      color: var(--muted);
      font-size: 13px;
    }

    .dynamic-helper svg {
      width: 16px;
      height: 16px;
      flex: 0 0 auto;
    }

    .brand-name {
      display: flex;
      flex-direction: column;
      font-size: 18px;
      line-height: 1;
    }

    .brand-name small {
      margin-top: 5px;
      color: #9a8e83;
      font-size: 9px;
      font-weight: 750;
      letter-spacing: 0;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 5px;
      margin-left: auto;
    }

    .nav-link {
      position: relative;
      padding: 10px 14px;
      border-radius: 10px;
      color: #5d6575;
      font-size: 14px;
      font-weight: 650;
      transition: color .2s ease, background .2s ease;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--ink);
      background: #f7f4f1;
    }

    .nav-link.active::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 4px;
      width: 16px;
      height: 2px;
      border-radius: 2px;
      background: var(--brand);
      transform: translateX(-50%);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 9px;
    }

    .btn {
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 0 19px;
      border: 1px solid transparent;
      border-radius: 13px;
      cursor: pointer;
      font-size: 14px;
      font-weight: 760;
      white-space: nowrap;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn svg {
      width: 18px;
      height: 18px;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, #ff7b3e, var(--brand));
      box-shadow: 0 12px 24px rgba(255, 106, 42, .24);
    }

    .btn-primary:hover {
      box-shadow: 0 16px 32px rgba(255, 106, 42, .32);
    }

    .btn-secondary {
      color: #31394a;
      border-color: #ded9d3;
      background: rgba(255, 255, 255, .74);
    }

    .btn-secondary:hover {
      border-color: #c8c0b8;
      background: #fff;
    }

    .menu-toggle {
      width: 44px;
      height: 44px;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 0;
      border: 1px solid var(--line);
      border-radius: 13px;
      color: var(--ink);
      background: #fff;
      cursor: pointer;
    }

    .menu-toggle svg {
      width: 20px;
      height: 20px;
    }

    .download-hero {
      position: relative;
      padding: 124px 0 76px;
      background:
        radial-gradient(circle at 12% 20%, rgba(255, 177, 129, .25), transparent 27%),
        radial-gradient(circle at 92% 8%, rgba(255, 223, 195, .48), transparent 26%),
        linear-gradient(180deg, #fff9f4 0%, #fff 88%);
      isolation: isolate;
      overflow: hidden;
    }

    .download-hero::after {
      content: "";
      position: absolute;
      z-index: -1;
      top: 120px;
      right: -170px;
      width: 520px;
      height: 520px;
      border: 1px solid rgba(255, 106, 42, .1);
      border-radius: 50%;
      box-shadow: 0 0 0 54px rgba(255, 106, 42, .032), 0 0 0 118px rgba(255, 106, 42, .02);
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 25px;
      color: #9298a3;
      font-size: 12px;
      font-weight: 650;
    }

    .breadcrumb a:hover {
      color: var(--brand);
    }

    .breadcrumb svg {
      width: 13px;
      height: 13px;
    }

    .platform-nav {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 8px;
      max-width: 570px;
      margin-bottom: 48px;
      padding: 6px;
      border: 1px solid #ebe4dd;
      border-radius: 17px;
      background: rgba(255, 255, 255, .78);
      box-shadow: 0 10px 30px rgba(31, 38, 54, .045);
      backdrop-filter: blur(12px);
    }

    .platform-tab {
      min-height: 46px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0 13px;
      border-radius: 12px;
      color: #747c8a;
      font-size: 13px;
      font-weight: 720;
      transition: color .2s ease, background .2s ease, box-shadow .2s ease;
    }

    .platform-tab svg {
      width: 17px;
      height: 17px;
    }

    .platform-tab:hover {
      color: var(--ink);
      background: #faf8f5;
    }

    .platform-tab.active {
      color: #fff;
      background: #182135;
      box-shadow: 0 8px 17px rgba(24, 33, 53, .19);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(430px, .92fr);
      align-items: center;
      gap: 78px;
    }

    .product-label {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      min-height: 34px;
      padding: 0 13px;
      border: 1px solid #f0d7c9;
      border-radius: 999px;
      color: #a8441b;
      background: rgba(255, 247, 241, .88);
      font-size: 12px;
      font-weight: 780;
    }

    .product-label i {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--success);
      box-shadow: 0 0 0 4px rgba(32, 168, 107, .12);
    }

    .hero-copy h1 {
      margin: 22px 0 18px;
      color: #141c2e;
      font-size: 64px;
      font-weight: 860;
      line-height: 1.08;
      letter-spacing: 0;
    }

    .hero-copy h1 span {
      color: var(--brand);
      background: linear-gradient(105deg, #ff8248, #ef5618);
      background-clip: text;
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-copy > p {
      max-width: 620px;
      margin: 0;
      color: #5f6878;
      font-size: 17px;
      line-height: 1.8;
    }

    .download-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 31px;
    }

    .download-actions .btn {
      min-height: 53px;
      padding-inline: 23px;
      border-radius: 15px;
      font-size: 15px;
    }

    .download-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px 17px;
      margin-top: 22px;
      color: #828997;
      font-size: 11px;
      font-weight: 650;
    }

    .download-meta span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .download-meta svg {
      width: 14px;
      height: 14px;
      color: var(--success);
    }

    .mac-visual {
      position: relative;
      padding: 20px 0 10px;
    }

    .mac-visual::before {
      content: "";
      position: absolute;
      inset: 8% -4% -4% 5%;
      z-index: -1;
      border-radius: 45%;
      background: radial-gradient(circle, rgba(255, 126, 67, .2), rgba(255, 126, 67, .025) 65%, transparent 69%);
      filter: blur(14px);
    }

    .mac-window {
      position: relative;
      max-width: 510px;
      margin-left: auto;
      padding: 12px;
      border: 1px solid rgba(255, 255, 255, .93);
      border-radius: 28px;
      background: rgba(255, 255, 255, .84);
      box-shadow: var(--shadow-lg);
      backdrop-filter: blur(20px);
      transform: rotate(1deg);
    }

    .window-frame {
      overflow: hidden;
      border: 1px solid #e9e4df;
      border-radius: 20px;
      background: #f8f7f5;
    }

    .window-bar {
      height: 45px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 15px;
      border-bottom: 1px solid #ebe7e2;
      background: #fff;
    }

    .window-dots {
      display: flex;
      gap: 6px;
    }

    .window-dots i {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #ded9d2;
    }

    .window-dots i:first-child {
      background: #ff8853;
    }

    .window-title {
      color: #858b96;
      font-size: 9px;
      font-weight: 820;
      letter-spacing: 0;
    }

    .window-status {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--success);
      box-shadow: 0 0 0 4px rgba(32, 168, 107, .1);
    }

    .window-content {
      display: grid;
      grid-template-columns: 122px 1fr;
      min-height: 330px;
    }

    .window-sidebar {
      padding: 18px 11px;
      border-right: 1px solid #e9e5e0;
      background: #f2f0ed;
    }

    .side-logo {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      margin: 0 0 22px 6px;
      border-radius: 11px;
      color: #fff;
      background: linear-gradient(145deg, #ff874c, var(--brand));
      box-shadow: 0 8px 16px rgba(255, 106, 42, .22);
    }

    .side-logo svg {
      width: 19px;
      height: 19px;
    }

    .side-logo img {
      width: 24px;
      height: 24px;
      object-fit: contain;
      filter: brightness(0) invert(1);
    }

    .side-item {
      display: flex;
      align-items: center;
      gap: 7px;
      padding: 8px 9px;
      border-radius: 9px;
      color: #8a909a;
      font-size: 9px;
      font-weight: 700;
    }

    .side-item + .side-item {
      margin-top: 4px;
    }

    .side-item.active {
      color: #98421e;
      background: #fff;
      box-shadow: 0 5px 14px rgba(31, 38, 54, .06);
    }

    .side-item svg {
      width: 13px;
      height: 13px;
    }

    .window-main {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 24px;
      background:
        radial-gradient(circle at 50% 42%, rgba(255, 225, 208, .55), transparent 34%),
        #fbfaf8;
    }

    .connection-ring {
      position: relative;
      width: 144px;
      height: 144px;
      display: grid;
      place-items: center;
      border: 1px solid #f1d8c9;
      border-radius: 50%;
      box-shadow: 0 0 0 17px rgba(255, 106, 42, .045), 0 0 0 36px rgba(255, 106, 42, .02);
    }

    .connection-button {
      width: 102px;
      height: 102px;
      display: grid;
      place-items: center;
      border: 0;
      border-radius: 50%;
      color: #fff;
      background: linear-gradient(145deg, #ff8a53, var(--brand));
      box-shadow: 0 18px 34px rgba(255, 106, 42, .32), inset 0 1px rgba(255, 255, 255, .35);
    }

    .connection-button svg {
      width: 35px;
      height: 35px;
    }

    .window-main strong {
      margin-top: 36px;
      font-size: 14px;
      letter-spacing: 0;
    }

    .window-main small {
      margin-top: 3px;
      color: #969ca6;
      font-size: 9px;
    }

    .selected-route {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-top: 17px;
      padding: 8px 11px;
      border: 1px solid #ebe5df;
      border-radius: 11px;
      background: rgba(255, 255, 255, .8);
      font-size: 9px;
      font-weight: 720;
    }

    .selected-route span:first-child {
      font-size: 14px;
    }

    .selected-route em {
      color: var(--success);
      font-size: 8px;
      font-style: normal;
    }

    .floating-version,
    .floating-universal {
      position: absolute;
      display: flex;
      align-items: center;
      gap: 9px;
      padding: 11px 14px;
      border: 1px solid rgba(255, 255, 255, .92);
      border-radius: 14px;
      background: rgba(255, 255, 255, .91);
      box-shadow: var(--shadow-sm);
      backdrop-filter: blur(12px);
      font-size: 10px;
      font-weight: 760;
      animation: float 4.8s ease-in-out infinite;
    }

    .floating-version {
      top: 4%;
      right: -5%;
    }

    .floating-universal {
      left: -4%;
      bottom: 8%;
      animation-delay: -2.1s;
    }

    .floating-version svg,
    .floating-universal svg {
      width: 18px;
      height: 18px;
      color: var(--brand);
    }

    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-8px); }
    }

    .compatibility-wrap {
      position: relative;
      z-index: 3;
      margin-top: -26px;
    }

    .compatibility {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      border: 1px solid var(--line);
      border-radius: 22px;
      background: rgba(255, 255, 255, .96);
      box-shadow: var(--shadow-sm);
    }

    .compat-item {
      position: relative;
      display: flex;
      align-items: center;
      gap: 15px;
      padding: 23px 27px;
    }

    .compat-item + .compat-item::before {
      content: "";
      position: absolute;
      top: 25%;
      bottom: 25%;
      left: 0;
      width: 1px;
      background: var(--line);
    }

    .compat-icon {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      border-radius: 13px;
      color: var(--brand-dark);
      background: var(--brand-soft);
    }

    .compat-icon svg {
      width: 20px;
      height: 20px;
    }

    .compat-item strong {
      display: block;
      font-size: 14px;
    }

    .compat-item span {
      display: block;
      margin-top: 2px;
      color: #8a919e;
      font-size: 11px;
    }

    .section {
      padding: 108px 0;
    }

    .section-soft {
      background: var(--surface-soft);
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 40px;
      margin-bottom: 42px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
      color: var(--brand-dark);
      font-size: 12px;
      font-weight: 820;
      letter-spacing: 0;
      text-transform: uppercase;
    }

    .section-kicker::before {
      content: "";
      width: 22px;
      height: 2px;
      border-radius: 2px;
      background: var(--brand);
    }

    .section-title {
      margin: 0;
      color: #172033;
      font-size: 48px;
      font-weight: 840;
      line-height: 1.15;
      letter-spacing: 0;
    }

    .section-desc {
      max-width: 470px;
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .install-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 350px;
      align-items: start;
      gap: 24px;
    }

    .steps-card {
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 24px;
      background: #fff;
    }

    .install-step {
      position: relative;
      display: grid;
      grid-template-columns: 55px 1fr auto;
      align-items: center;
      gap: 20px;
      min-height: 119px;
      padding: 23px 26px;
    }

    .install-step + .install-step {
      border-top: 1px solid var(--line);
    }

    .step-num {
      width: 45px;
      height: 45px;
      display: grid;
      place-items: center;
      border: 1px solid #efd5c6;
      border-radius: 14px;
      color: var(--brand-dark);
      background: #fff7f2;
      font-size: 12px;
      font-weight: 850;
    }

    .step-copy h3 {
      margin: 0 0 4px;
      font-size: 16px;
      letter-spacing: 0;
    }

    .step-copy p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
    }

    .step-visual {
      width: 114px;
      height: 64px;
      display: grid;
      place-items: center;
      border: 1px solid #ece7e1;
      border-radius: 14px;
      color: #7e8694;
      background: #faf9f7;
    }

    .step-visual svg {
      width: 29px;
      height: 29px;
    }

    .side-cards {
      display: grid;
      gap: 17px;
    }

    .info-card {
      padding: 25px;
      border: 1px solid var(--line);
      border-radius: 22px;
      background: #fff;
    }

    .info-card.warning {
      border-color: #f0dec7;
      background: #fffaf3;
    }

    .info-icon {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 13px;
      color: var(--brand-dark);
      background: var(--brand-soft);
    }

    .warning .info-icon {
      color: #a96410;
      background: #fff0d9;
    }

    .info-icon svg {
      width: 20px;
      height: 20px;
    }

    .info-card h3 {
      margin: 18px 0 7px;
      font-size: 17px;
    }

    .info-card p {
      margin: 0;
      color: var(--muted);
      font-size: 12px;
    }

    .info-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 15px;
      color: var(--brand-dark);
      font-size: 12px;
      font-weight: 760;
    }

    .info-link svg {
      width: 14px;
      height: 14px;
    }

    .code-line {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      margin-top: 15px;
      padding: 10px 11px;
      border: 1px solid #eadbc8;
      border-radius: 10px;
      color: #7e551e;
      background: rgba(255, 255, 255, .76);
      font-family: "SFMono-Regular", Consolas, monospace;
      font-size: 9px;
      line-height: 1.4;
      word-break: break-all;
    }

    .faq-layout {
      display: grid;
      grid-template-columns: .72fr 1.28fr;
      align-items: start;
      gap: 70px;
    }

    .faq-intro p {
      max-width: 390px;
      margin: 17px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .faq-support {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 23px;
      color: var(--brand-dark);
      font-size: 13px;
      font-weight: 760;
    }

    .faq-support svg {
      width: 16px;
      height: 16px;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 17px;
      background: #fff;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .faq-item[open] {
      border-color: #eecdbb;
      box-shadow: 0 12px 30px rgba(31, 38, 54, .055);
    }

    .faq-item summary {
      min-height: 67px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 21px;
      cursor: pointer;
      list-style: none;
      font-size: 14px;
      font-weight: 740;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-plus {
      position: relative;
      width: 27px;
      height: 27px;
      flex: 0 0 auto;
      border-radius: 9px;
      background: #f7f4f1;
    }

    .faq-plus::before,
    .faq-plus::after {
      content: "";
      position: absolute;
      top: 50%;
      left: 50%;
      width: 11px;
      height: 1.5px;
      border-radius: 2px;
      background: #737b88;
      transform: translate(-50%, -50%);
      transition: transform .2s ease;
    }

    .faq-plus::after {
      transform: translate(-50%, -50%) rotate(90deg);
    }

    .faq-item[open] .faq-plus {
      background: var(--brand-soft);
    }

    .faq-item[open] .faq-plus::after {
      transform: translate(-50%, -50%) rotate(0);
    }

    .faq-answer {
      padding: 0 60px 20px 21px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.75;
    }

    .faq-answer p {
      margin: 0;
    }

    .faq-answer code {
      display: block;
      margin-top: 11px;
      padding: 11px 13px;
      border: 1px solid #e8e4df;
      border-radius: 10px;
      color: #374052;
      background: #f8f7f5;
      font-family: "SFMono-Regular", Consolas, monospace;
      font-size: 11px;
      word-break: break-all;
    }

    .support-panel {
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 42px;
      padding: 54px 58px;
      border-radius: 28px;
      color: #fff;
      background:
        radial-gradient(circle at 86% 18%, rgba(255, 128, 69, .25), transparent 27%),
        linear-gradient(135deg, #171f31, #222b3f);
      box-shadow: 0 25px 65px rgba(23, 32, 51, .16);
    }

    .support-panel::after {
      content: "";
      position: absolute;
      right: -80px;
      bottom: -190px;
      width: 360px;
      height: 360px;
      border: 1px solid rgba(255, 255, 255, .06);
      border-radius: 50%;
      box-shadow: 0 0 0 45px rgba(255, 255, 255, .016), 0 0 0 92px rgba(255, 255, 255, .012);
    }

    .support-copy {
      position: relative;
      z-index: 1;
    }

    .support-copy span {
      color: #ffac84;
      font-size: 11px;
      font-weight: 820;
      letter-spacing: 0;
      text-transform: uppercase;
    }

    .support-copy h2 {
      margin: 8px 0 6px;
      font-size: 38px;
      line-height: 1.2;
      letter-spacing: 0;
    }

    .support-copy p {
      margin: 0;
      color: #b8c0cf;
      font-size: 13px;
    }

    .support-panel .btn {
      position: relative;
      z-index: 1;
      min-height: 50px;
      flex: 0 0 auto;
      padding-inline: 24px;
      color: #172033;
      background: #fff;
    }

    .site-footer {
      padding: 62px 0 27px;
      background: #fff;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.35fr repeat(3, .7fr);
      gap: 50px;
      padding-bottom: 46px;
      border-bottom: 1px solid var(--line);
    }

    .footer-about p {
      max-width: 360px;
      margin: 18px 0 0;
      color: #7a8290;
      font-size: 13px;
    }

    .footer-col h4 {
      margin: 3px 0 16px;
      font-size: 13px;
    }

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

    .footer-links a {
      width: fit-content;
      color: #7d8491;
      font-size: 13px;
      transition: color .2s ease;
    }

    .footer-links a:hover {
      color: var(--brand);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding-top: 24px;
      color: #979da7;
      font-size: 11px;
    }

    .footer-status {
      display: inline-flex;
      align-items: center;
      gap: 7px;
    }

    .footer-status i {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--success);
      box-shadow: 0 0 0 4px rgba(32, 168, 107, .1);
    }

    .mobile-download {
      position: fixed;
      right: 12px;
      bottom: 12px;
      left: 12px;
      z-index: 45;
      display: none;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 10px 10px 10px 15px;
      border: 1px solid rgba(255, 255, 255, .14);
      border-radius: 17px;
      color: #fff;
      background: rgba(23, 32, 51, .94);
      box-shadow: 0 20px 45px rgba(23, 32, 51, .3);
      backdrop-filter: blur(15px);
      transform: translateY(120%);
      transition: transform .28s ease;
    }

    .mobile-download.show {
      transform: translateY(0);
    }

    .mobile-download-copy strong {
      display: block;
      font-size: 12px;
      line-height: 1.3;
    }

    .mobile-download-copy small {
      display: block;
      margin-top: 2px;
      color: #aeb7c5;
      font-size: 9px;
    }

    .mobile-download .btn {
      min-height: 42px;
      padding-inline: 15px;
      border-radius: 12px;
      font-size: 12px;
    }

    body.modal-open {
      overflow: hidden;
    }

    .ios-modal {
      position: fixed;
      inset: 0;
      z-index: 100;
      display: grid;
      place-items: center;
      padding: 20px;
      visibility: hidden;
      opacity: 0;
      transition: opacity .2s ease, visibility .2s ease;
    }

    .ios-modal.open {
      visibility: visible;
      opacity: 1;
    }

    .ios-modal-backdrop {
      position: absolute;
      inset: 0;
      background: rgba(17, 24, 39, .56);
      backdrop-filter: blur(7px);
    }

    .ios-modal-card {
      position: relative;
      z-index: 1;
      width: min(100%, 430px);
      padding: 35px;
      border: 1px solid rgba(255, 255, 255, .9);
      border-radius: 22px;
      background: #fff;
      box-shadow: var(--shadow-lg);
      text-align: center;
      transform: translateY(12px);
      transition: transform .2s ease;
    }

    .ios-modal.open .ios-modal-card {
      transform: translateY(0);
    }

    .ios-modal-close {
      position: absolute;
      top: 14px;
      right: 14px;
      width: 36px;
      height: 36px;
      display: grid;
      place-items: center;
      padding: 0;
      border: 0;
      border-radius: 50%;
      background: #f5f3f0;
      cursor: pointer;
    }

    .ios-modal-close svg {
      width: 18px;
      height: 18px;
    }

    .ios-modal-icon {
      width: 54px;
      height: 54px;
      display: grid;
      place-items: center;
      margin: 0 auto 18px;
      border-radius: 16px;
      color: #fff;
      background: #172033;
    }

    .ios-modal-icon svg {
      width: 27px;
      height: 27px;
    }

    .ios-modal-card h2 {
      margin: 0 0 9px;
      font-size: 24px;
    }

    .ios-modal-card p {
      margin: 0;
      color: var(--muted);
      font-size: 13px;
    }

    .ios-identify {
      margin: 20px 0;
      padding: 11px;
      border: 1px solid var(--line);
      border-radius: 11px;
      background: var(--surface-soft);
      font-size: 13px;
    }

    .ios-modal-card > .btn {
      width: 100%;
    }

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity .65s ease, transform .65s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    @media (max-width: 1020px) {
      .nav-links {
        display: none;
      }

      .hero-grid {
        grid-template-columns: 1fr;
        gap: 58px;
      }

      .hero-copy > p {
        max-width: 720px;
      }

      .mac-visual {
        width: min(100%, 620px);
        margin-inline: auto;
      }

      .mac-window {
        margin-inline: auto;
      }

      .install-grid {
        grid-template-columns: 1fr;
      }

      .side-cards {
        grid-template-columns: 1fr 1fr;
      }

      .faq-layout {
        gap: 40px;
      }

      .footer-top {
        grid-template-columns: 1.3fr repeat(3, 1fr);
        gap: 30px;
      }
    }

    @media (max-width: 760px) {
      .container {
        width: min(calc(100% - 28px), var(--container));
      }

      .site-header,
      .site-header.scrolled {
        height: 66px;
      }

      .nav-actions .btn {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .nav-links {
        position: absolute;
        top: calc(100% + 8px);
        right: 14px;
        left: 14px;
        display: grid;
        padding: 10px;
        border: 1px solid var(--line);
        border-radius: 18px;
        background: rgba(255, 255, 255, .97);
        box-shadow: 0 20px 50px rgba(23, 32, 51, .14);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity .2s ease, visibility .2s ease, transform .2s ease;
      }

      .nav-links.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
      }

      .nav-link {
        padding: 12px 13px;
      }

      .nav-link.active::after {
        display: none;
      }

      .download-hero {
        padding: 98px 0 65px;
      }

      .download-hero::after {
        display: none;
      }

      .breadcrumb {
        margin-bottom: 19px;
      }

      .platform-nav {
        max-width: none;
        margin-bottom: 39px;
      }

      .platform-tab {
        min-height: 49px;
        flex-direction: column;
        gap: 3px;
        padding-inline: 5px;
        font-size: 9px;
      }

      .platform-tab svg {
        width: 16px;
        height: 16px;
      }

      .hero-grid {
        gap: 43px;
      }

      .hero-copy h1 {
        font-size: 48px;
      }

      .hero-copy > p {
        font-size: 15px;
      }

      .download-actions {
        display: grid;
      }

      .download-actions .btn {
        width: 100%;
      }

      .mac-visual {
        padding-inline: 0;
      }

      .mac-window {
        padding: 8px;
        border-radius: 22px;
        transform: none;
      }

      .window-content {
        grid-template-columns: 84px 1fr;
        min-height: 284px;
      }

      .window-sidebar {
        padding-inline: 8px;
      }

      .side-item {
        padding-inline: 6px;
        font-size: 0;
      }

      .side-item svg {
        width: 15px;
        height: 15px;
      }

      .connection-ring {
        width: 116px;
        height: 116px;
      }

      .connection-button {
        width: 80px;
        height: 80px;
      }

      .connection-button svg {
        width: 29px;
        height: 29px;
      }

      .floating-version,
      .floating-universal {
        display: none;
      }

      .compatibility-wrap {
        margin-top: 0;
        padding-top: 14px;
      }

      .compatibility {
        grid-template-columns: 1fr;
      }

      .compat-item + .compat-item::before {
        top: 0;
        right: 22px;
        bottom: auto;
        left: 22px;
        width: auto;
        height: 1px;
      }

      .section {
        padding: 80px 0;
      }

      .section-head {
        display: block;
        margin-bottom: 29px;
      }

      .section-desc {
        margin-top: 15px;
      }

      .install-step {
        grid-template-columns: 47px 1fr;
        gap: 14px;
        min-height: 124px;
        padding: 20px;
      }

      .step-num {
        width: 42px;
        height: 42px;
      }

      .step-visual {
        display: none;
      }

      .side-cards {
        grid-template-columns: 1fr;
      }

      .faq-layout {
        grid-template-columns: 1fr;
        gap: 29px;
      }

      .support-panel {
        align-items: flex-start;
        flex-direction: column;
        padding: 37px 25px;
        border-radius: 24px;
      }

      .support-panel .btn {
        width: 100%;
      }

      .footer-top {
        grid-template-columns: 1fr 1fr;
      }

      .footer-about {
        grid-column: 1 / -1;
      }

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

      .mobile-download {
        display: flex;
      }

      .site-footer {
        padding-bottom: 100px;
      }
    }

    @media (max-width: 420px) {
      .brand-name small {
        display: none;
      }

      .window-main {
        padding-inline: 12px;
      }

      .selected-route {
        padding-inline: 8px;
      }

      .footer-top {
        grid-template-columns: 1fr;
      }

      .footer-about {
        grid-column: auto;
      }
    }

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

      *,
      *::before,
      *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
      }

      .reveal {
        opacity: 1;
        transform: none;
      }
    }