:root {
  --blue: #1553c9;
  --blue-dark: #092765;
  --blue-soft: #eaf1ff;
  --orange: #ff7a32;
  --orange-dark: #d65013;
  --charcoal: #22272f;
  --warm: #f4f0e8;
  --paper: #ffffff;
  --ink: #262b33;
  --muted: #68707b;
  --line: #d9dee6;
  --white: #ffffff;
  --shell: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 82px;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: -90px;
  left: 18px;
  z-index: 1000;
  padding: 10px 15px;
  color: var(--white);
  background: var(--orange);
  font-weight: 850;
}

.skip-link:focus {
  top: 18px;
}

.header-shell,
.hero,
.section,
.final-section,
.footer-shell {
  width: min(calc(100% - 40px), var(--shell));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(15px);
}

.header-shell {
  min-height: 78px;
  display: grid;
  grid-template-columns: 250px 1fr 155px;
  gap: 28px;
  align-items: center;
}

.brand-unit,
.footer-brand-unit {
  width: max-content;
  display: flex;
  align-items: stretch;
}

.brand-window {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  padding: 5px;
  background: var(--orange);
  border: 3px solid var(--blue-dark);
}

.brand-window img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.brand-panel {
  min-width: 188px;
  display: flex;
  align-items: center;
  padding: 7px 16px;
  background: var(--blue-dark);
  border: 3px solid var(--blue-dark);
  border-left: 0;
}

.brand-panel img {
  width: auto;
  height: 30px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 27px;
  color: #626b77;
  font-size: 12px;
  font-weight: 800;
}

.site-nav a {
  padding: 25px 0 23px;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--blue);
}

.header-download {
  justify-self: end;
  padding: 11px 14px;
  color: var(--white);
  background: var(--blue);
  text-align: center;
  font-size: 12px;
  font-weight: 900;
}

.header-download:hover,
.header-download:focus-visible {
  background: var(--blue-dark);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  background: var(--white);
  border: 1px solid var(--line);
}

.menu-button span {
  display: block;
  width: 19px;
  height: 2px;
  margin: 4px auto;
  background: var(--charcoal);
}

.hero {
  position: relative;
  min-height: 710px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 80px;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    var(--blue);
  background-size: 56px 56px;
}

.hero-type {
  position: absolute;
  left: -25px;
  bottom: -20px;
  color: rgba(255, 255, 255, 0.07);
  font-size: clamp(110px, 18vw, 240px);
  font-weight: 950;
  line-height: 0.8;
  letter-spacing: -0.08em;
  pointer-events: none;
}

.hero-copy,
.desktop-stage {
  position: relative;
  z-index: 2;
}

.eyebrow,
.section-label {
  margin: 0 0 15px;
  color: var(--orange-dark);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #ffd4be;
}

.hero h1 {
  margin: 0;
  color: var(--white);
  font-size: clamp(54px, 7vw, 92px);
  line-height: 0.96;
  letter-spacing: -0.06em;
}

.hero-lead {
  max-width: 670px;
  margin: 29px 0 0;
  color: #d8e4ff;
  font-size: 18px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 34px;
}

.primary-button,
.secondary-button {
  min-height: 57px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 13px 20px;
  font-weight: 900;
}

.primary-button {
  min-width: 255px;
  color: var(--white);
  background: var(--orange);
}

.primary-button:hover,
.primary-button:focus-visible {
  background: var(--orange-dark);
}

.primary-button b {
  font-size: 20px;
}

.secondary-button {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.secondary-button:hover,
.secondary-button:focus-visible {
  background: rgba(255, 255, 255, 0.09);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 36px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  border-left: 1px solid rgba(255, 255, 255, 0.28);
}

.hero-facts div {
  padding: 13px;
  border-right: 1px solid rgba(255, 255, 255, 0.28);
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
}

.hero-facts dt {
  color: #ffcfb8;
  font-size: 9px;
  font-weight: 900;
}

.hero-facts dd {
  margin: 4px 0 0;
  color: #e7eeff;
  font-size: 10px;
  font-weight: 800;
}

.desktop-stage {
  padding: 15px 12px 0;
}

.monitor {
  overflow: hidden;
  background: var(--charcoal);
  border: 12px solid #15191f;
  border-bottom-width: 18px;
  box-shadow: 0 35px 85px rgba(5, 24, 62, 0.38);
}

.monitor-top {
  min-height: 35px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  color: #9fa8b4;
  background: #2c323b;
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.monitor-top > div {
  display: flex;
  gap: 6px;
}

.monitor-top i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
}

.monitor-top i:nth-child(2) {
  background: #f7c44b;
}

.monitor-top i:nth-child(3) {
  background: #58c790;
}

.monitor-screen {
  padding: 12px;
  background: #0d1117;
}

.monitor-screen img {
  width: 100%;
  max-height: 390px;
  object-fit: contain;
}

.monitor-neck {
  width: 70px;
  height: 42px;
  margin-inline: auto;
  background: #15191f;
}

.monitor-base {
  width: 210px;
  height: 18px;
  margin-inline: auto;
  background: #15191f;
  clip-path: polygon(20% 0, 80% 0, 100% 100%, 0 100%);
}

.stage-labels {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
}

.stage-labels span {
  padding: 6px 9px;
  color: #e0e9ff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 8px;
  font-weight: 900;
}

.section {
  padding-top: 102px;
  padding-bottom: 102px;
}

.desk-heading {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 30px;
  align-items: start;
}

.desk-heading > span {
  color: var(--orange);
  font-size: 60px;
  font-weight: 950;
  line-height: 1;
}

.desk-heading h2,
.section-heading h2,
.install-copy h2,
.security-heading h2,
.launch-copy h2,
.trouble-heading h2,
.faq-heading h2,
.related-heading h2,
.final-copy h2 {
  margin: 0;
  color: var(--blue-dark);
  font-size: clamp(33px, 4.3vw, 53px);
  line-height: 1.16;
  letter-spacing: -0.04em;
}

.desk-heading p:not(.section-label),
.section-heading > p:not(.section-label),
.install-copy > p:not(.section-label),
.security-heading > p:not(.section-label),
.launch-copy > p:not(.section-label),
.faq-heading > p:not(.section-label) {
  margin: 20px 0 0;
  color: var(--muted);
}

.desk-flow {
  display: grid;
  grid-template-columns: 1fr 35px 1fr 35px 1fr 175px;
  gap: 15px;
  align-items: center;
  margin-top: 42px;
  padding: 25px;
  color: var(--white);
  background: var(--charcoal);
}

.desk-flow article {
  min-width: 0;
}

.desk-flow b,
.desk-flow strong,
.desk-flow span {
  display: block;
}

.desk-flow b {
  color: var(--orange);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.desk-flow strong {
  margin-top: 4px;
  font-size: 13px;
}

.desk-flow span {
  margin-top: 4px;
  color: #9ca5b1;
  font-size: 10px;
}

.desk-flow > i {
  color: #59616c;
  font-style: normal;
  text-align: center;
}

.desk-flow > a {
  padding: 12px 14px;
  color: var(--white);
  background: var(--blue);
  text-align: center;
  font-size: 11px;
  font-weight: 900;
}

.computer-check {
  background: var(--blue-soft);
}

.section-heading {
  max-width: 860px;
}

.check-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  margin-top: 42px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.check-grid article {
  min-height: 230px;
  padding: 25px;
  background: rgba(255, 255, 255, 0.56);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.check-feature {
  grid-row: span 2;
  min-height: 460px !important;
  color: var(--white);
  background: var(--blue-dark) !important;
}

.check-grid span,
.check-grid b {
  color: var(--orange-dark);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.check-feature span {
  color: #a9c5ff;
}

.check-grid h3 {
  margin: 42px 0 10px;
  color: var(--blue-dark);
  font-size: 19px;
}

.check-feature h3 {
  margin-top: 75px;
  color: var(--white);
  font-size: 34px;
}

.check-grid p {
  margin: 0;
  color: var(--muted);
}

.check-feature p {
  color: #a9b9d9;
}

.check-feature strong {
  display: block;
  margin-top: 45px;
  color: var(--orange);
  font-size: 18px;
}

.device-types {
  background: var(--paper);
}

.device-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 42px;
}

.device-compare article {
  min-height: 420px;
  padding: 32px;
  border: 1px solid var(--line);
}

.device-compare article:first-child {
  background: var(--warm);
}

.device-compare article:last-child {
  background: var(--blue-soft);
}

.compare-code {
  width: max-content;
  padding: 7px 10px;
  color: var(--white);
  background: var(--blue);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.device-compare h3 {
  margin: 55px 0 12px;
  color: var(--blue-dark);
  font-size: 28px;
}

.device-compare > article > p {
  margin: 0;
  color: var(--muted);
}

.device-compare dl {
  margin: 30px 0 0;
  border-top: 1px solid var(--line);
}

.device-compare dl div {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.device-compare dt {
  color: var(--orange-dark);
  font-size: 10px;
  font-weight: 900;
}

.device-compare dd {
  margin: 0;
  color: var(--blue-dark);
  font-size: 11px;
  font-weight: 850;
}

.install-section {
  color: var(--white);
  background: var(--charcoal);
}

.install-copy h2 {
  color: var(--white);
}

.install-copy > p:not(.section-label) {
  color: #a6afba;
}

.install-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 42px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid #454d57;
  border-left: 1px solid #454d57;
}

.install-bar li {
  min-height: 230px;
  padding: 24px;
  border-right: 1px solid #454d57;
  border-bottom: 1px solid #454d57;
}

.install-bar li:nth-child(2),
.install-bar li:nth-child(4) {
  background: rgba(21, 83, 201, 0.13);
}

.install-bar li > span {
  color: var(--orange);
  font-size: 34px;
  font-weight: 950;
}

.install-bar b {
  display: block;
  margin-top: 45px;
  font-size: 18px;
}

.install-bar p {
  margin: 8px 0 0;
  color: #a6afba;
  font-size: 12px;
}

.install-panel {
  display: grid;
  grid-template-columns: 150px 1fr 150px;
  gap: 22px;
  align-items: center;
  margin-top: 22px;
  padding: 22px 24px;
  color: var(--charcoal);
  background: var(--warm);
}

.install-app {
  padding: 8px;
  background: var(--white);
  border: 1px solid var(--line);
}

.install-app img {
  width: 130px;
  height: 82px;
  object-fit: contain;
}

.install-panel span {
  color: var(--blue);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.install-panel h3 {
  margin: 5px 0 7px;
  color: var(--blue-dark);
  font-size: 18px;
}

.install-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}

.install-panel > a {
  padding: 11px 14px;
  color: var(--white);
  background: var(--blue);
  text-align: center;
  font-size: 11px;
  font-weight: 900;
}

.security-section {
  background: var(--paper);
}

.security-heading {
  max-width: 860px;
}

.security-table {
  margin-top: 42px;
  border-top: 2px solid var(--blue-dark);
}

.security-head,
.security-table article {
  display: grid;
  grid-template-columns: 0.7fr 1.1fr 1.4fr;
}

.security-head {
  color: var(--white);
  background: var(--blue-dark);
}

.security-head span,
.security-table article > * {
  padding: 15px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.security-head span {
  border-color: #30477a;
  font-size: 10px;
  font-weight: 900;
}

.security-table article:nth-child(odd) {
  background: var(--blue-soft);
}

.security-table strong {
  color: var(--blue-dark);
  font-size: 12px;
}

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

.security-table b {
  color: var(--orange-dark);
  font-size: 11px;
}

.first-launch {
  display: grid;
  grid-template-columns: 0.58fr 1.42fr;
  gap: 65px;
  background: var(--warm);
}

.launch-list {
  border-top: 2px solid var(--blue-dark);
}

.launch-list article {
  display: grid;
  grid-template-columns: 45px 180px 1fr;
  gap: 18px;
  padding: 21px 0;
  border-bottom: 1px solid #d4cdbf;
}

.launch-list span {
  color: var(--orange);
  font-size: 11px;
  font-weight: 900;
}

.launch-list h3 {
  margin: -4px 0 0;
  color: var(--blue-dark);
  font-size: 17px;
}

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

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

.trouble-heading h2 {
  max-width: 850px;
}

.trouble-cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 42px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.trouble-cases article {
  min-height: 220px;
  padding: 25px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.trouble-cases article:nth-child(2),
.trouble-cases article:nth-child(4),
.trouble-cases article:nth-child(6) {
  background: rgba(255, 255, 255, 0.52);
}

.trouble-cases span {
  color: var(--orange-dark);
  font-size: 10px;
  font-weight: 900;
}

.trouble-cases h3 {
  margin: 27px 0 9px;
  color: var(--blue-dark);
  font-size: 18px;
}

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

.faq-section {
  background: var(--paper);
}

.faq-heading {
  max-width: 850px;
}

.faq-list {
  margin-top: 42px;
  border-top: 2px solid var(--blue-dark);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding: 24px 55px 24px 0;
  color: var(--blue-dark);
  font-size: 16px;
  font-weight: 850;
  cursor: pointer;
  list-style: none;
}

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

.faq-list summary span {
  position: absolute;
  right: 4px;
  top: 20px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  color: var(--orange-dark);
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: transform 0.2s ease;
}

.faq-list details[open] summary span {
  transform: rotate(45deg);
}

.faq-list p {
  margin: -2px 0 23px;
  color: var(--muted);
}

.related-section {
  background: var(--warm);
}

.related-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 42px;
  border-top: 1px solid #d4cdbf;
  border-left: 1px solid #d4cdbf;
}

.related-links a {
  min-height: 128px;
  display: grid;
  align-content: center;
  padding: 22px;
  border-right: 1px solid #d4cdbf;
  border-bottom: 1px solid #d4cdbf;
}

.related-links a:hover,
.related-links a:focus-visible {
  background: var(--white);
}

.related-links strong {
  color: var(--blue);
  font-size: 15px;
}

.related-links span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
}

.final-section {
  min-height: 285px;
  display: grid;
  grid-template-columns: 110px 1fr 250px;
  gap: 40px;
  align-items: center;
  margin-bottom: 90px;
  padding: 44px 50px;
  color: var(--white);
  background: var(--blue);
}

.final-code {
  width: 90px;
  height: 110px;
  display: grid;
  place-items: center;
  color: var(--blue-dark);
  background: var(--orange);
  font-size: 27px;
  font-weight: 950;
}

.final-copy p {
  margin: 0 0 9px;
  color: #b9ccff;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.final-copy h2 {
  color: var(--white);
  font-size: clamp(28px, 3.5vw, 43px);
}

.final-copy span {
  display: block;
  margin-top: 13px;
  color: #d8e4ff;
  font-size: 11px;
}

.final-button {
  min-height: 70px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 16px 20px;
  color: var(--blue-dark);
  background: var(--white);
  font-weight: 900;
}

.final-button b {
  font-size: 20px;
}

.site-footer {
  padding: 52px 0 32px;
  color: #9ca5b1;
  background: var(--charcoal);
}

.footer-shell {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px 55px;
}

.footer-icon {
  width: 49px;
  height: 49px;
  padding: 5px;
  object-fit: contain;
  background: var(--orange);
  border: 3px solid #11151a;
}

.footer-brand-unit > span {
  min-width: 180px;
  display: flex;
  align-items: center;
  padding: 6px 15px;
  background: #11151a;
  border: 3px solid #11151a;
}

.footer-brand-unit > span img {
  width: auto;
  height: 28px;
  object-fit: contain;
}

.footer-brand p {
  max-width: 710px;
  margin: 17px 0 0;
  color: #69727e;
  font-size: 11px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 8px 25px;
  font-size: 12px;
  font-weight: 700;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--white);
}

.copyright {
  grid-column: 1 / -1;
  margin: 5px 0 0;
  padding-top: 21px;
  color: #4c5560;
  border-top: 1px solid #3b424b;
  font-size: 11px;
}

.mobile-download {
  display: none;
}

@media (max-width: 960px) {
  .header-shell {
    grid-template-columns: 235px 1fr 145px;
  }

  .site-nav {
    gap: 16px;
  }

  .hero {
    gap: 35px;
  }

  .desk-flow {
    grid-template-columns: 1fr 25px 1fr 25px 1fr;
  }

  .desk-flow > a {
    grid-column: 1 / -1;
    width: 180px;
    justify-self: end;
  }

  .trouble-cases {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 820px) {
  html {
    scroll-padding-top: 72px;
  }

  .header-shell {
    min-height: 70px;
    grid-template-columns: 1fr auto;
  }

  .header-download {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .site-nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: calc(100% + 8px);
    display: none;
    padding: 10px;
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: 0 22px 55px rgba(38, 43, 51, 0.22);
  }

  .site-nav.is-open {
    display: grid;
  }

  .site-nav a {
    padding: 11px 12px;
  }

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

  .hero-copy {
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-facts {
    max-width: 720px;
    margin-inline: auto;
    text-align: left;
  }

  .desktop-stage {
    width: min(100%, 650px);
    margin-inline: auto;
  }

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

  .check-feature {
    grid-column: 1 / -1;
    grid-row: auto;
    min-height: 330px !important;
  }

  .install-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .first-launch {
    grid-template-columns: 1fr;
  }

  .final-section {
    grid-template-columns: 100px 1fr;
  }

  .final-button {
    grid-column: 2;
    width: 250px;
  }

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

  .copyright {
    grid-column: auto;
  }
}

@media (max-width: 600px) {
  body {
    padding-bottom: 70px;
  }

  .header-shell,
  .hero,
  .section,
  .final-section,
  .footer-shell {
    width: min(calc(100% - 28px), var(--shell));
  }

  .brand-window {
    width: 48px;
    height: 48px;
  }

  .brand-window img {
    width: 35px;
    height: 35px;
  }

  .brand-panel {
    min-width: 165px;
  }

  .brand-panel img {
    height: 27px;
  }

  .hero {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .hero h1 {
    font-size: clamp(46px, 15vw, 68px);
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .hero-facts {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 70px;
    padding-bottom: 70px;
  }

  .desk-heading {
    grid-template-columns: 1fr;
  }

  .desk-heading h2,
  .section-heading h2,
  .install-copy h2,
  .security-heading h2,
  .launch-copy h2,
  .trouble-heading h2,
  .faq-heading h2,
  .related-heading h2 {
    font-size: clamp(30px, 10vw, 41px);
  }

  .desk-flow {
    grid-template-columns: 1fr;
  }

  .desk-flow > i {
    transform: rotate(90deg);
  }

  .desk-flow > a {
    grid-column: auto;
    width: 100%;
    justify-self: stretch;
  }

  .check-grid,
  .device-compare,
  .install-bar,
  .trouble-cases,
  .related-links {
    grid-template-columns: 1fr;
  }

  .check-feature {
    grid-column: auto;
    min-height: 0 !important;
  }

  .check-feature h3 {
    margin-top: 40px;
  }

  .device-compare article {
    min-height: 0;
    padding: 25px;
  }

  .install-bar li {
    min-height: 0;
  }

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

  .install-app {
    width: 150px;
  }

  .install-panel > a {
    width: 100%;
  }

  .security-head {
    display: none;
  }

  .security-table article {
    grid-template-columns: 1fr;
    padding: 14px 0;
  }

  .security-table article > * {
    padding: 8px 12px;
    border-right: 0;
  }

  .launch-list article {
    grid-template-columns: 35px 1fr;
    gap: 12px;
  }

  .launch-list p {
    grid-column: 2;
  }

  .faq-list summary {
    font-size: 15px;
  }

  .final-section {
    grid-template-columns: 1fr;
    padding: 34px 23px;
  }

  .final-code {
    width: 76px;
    height: 90px;
  }

  .final-button {
    grid-column: auto;
    width: 100%;
  }

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

  .mobile-download {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 120;
    min-height: 70px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 9px 14px;
    color: var(--white);
    background: rgba(34, 39, 47, 0.97);
    border-top: 1px solid #444c56;
  }

  .mobile-download > div {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .mobile-download img {
    width: 44px;
    height: 44px;
    object-fit: contain;
  }

  .mobile-download small,
  .mobile-download strong {
    display: block;
    line-height: 1.2;
  }

  .mobile-download small {
    color: #7d8792;
    font-size: 10px;
  }

  .mobile-download strong {
    margin-top: 3px;
    font-size: 13px;
  }

  .mobile-download > a {
    padding: 11px 15px;
    color: var(--white);
    background: var(--blue);
    font-size: 13px;
    font-weight: 900;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}