:root {
  --navy: #17172d;
  --navy-soft: #262547;
  --violet: #7457ff;
  --violet-deep: #5537dc;
  --lavender: #f4f0ff;
  --lavender-2: #e9e2ff;
  --cyan: #88e8ee;
  --cyan-deep: #36bfc9;
  --peach: #ffb694;
  --paper: #ffffff;
  --mist: #f7f8fc;
  --ink: #1b1b31;
  --ink-soft: #66677c;
  --line: #dcdeeb;
  --success: #1f9d78;
  --shell: 1180px;
  --shadow: 0 32px 90px rgba(31, 27, 78, 0.15);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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: -80px;
  left: 20px;
  z-index: 999;
  padding: 10px 15px;
  border-radius: 8px;
  color: #fff;
  background: var(--navy);
  font-weight: 800;
  transition: top 0.2s ease;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(27, 27, 49, 0.08);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
}

.header-shell {
  min-height: 78px;
  display: grid;
  grid-template-columns: 220px 1fr 180px;
  align-items: center;
  gap: 28px;
}

.brand {
  width: max-content;
}

.brand img,
.footer-brand img {
  width: auto;
  height: 38px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  color: #55566b;
  font-size: 14px;
  font-weight: 760;
}

.site-nav a {
  position: relative;
  padding: 27px 0 24px;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 19px;
  width: 0;
  height: 2px;
  border-radius: 4px;
  background: var(--violet);
  transform: translateX(-50%);
  transition: width 0.2s ease;
}

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

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  width: 100%;
}

.header-cta {
  justify-self: end;
  min-width: 164px;
  padding: 11px 17px;
  border: 1px solid var(--navy);
  border-radius: 10px;
  color: #fff;
  background: var(--navy);
  text-align: center;
  font-size: 14px;
  font-weight: 850;
  box-shadow: 5px 5px 0 var(--cyan);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.header-cta:hover,
.header-cta:focus-visible {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--cyan);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 3px;
  background: var(--navy);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 86px 20px 0;
  background:
    radial-gradient(circle at 15% 25%, rgba(136, 232, 238, 0.38), transparent 23%),
    radial-gradient(circle at 88% 18%, rgba(255, 182, 148, 0.3), transparent 21%),
    linear-gradient(180deg, var(--lavender) 0%, #fbfaff 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.25;
  background-image: radial-gradient(rgba(85, 55, 220, 0.35) 1px, transparent 1px);
  background-size: 25px 25px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 76%);
  pointer-events: none;
}

.hero-orbit {
  position: absolute;
  border: 1px solid rgba(116, 87, 255, 0.18);
  border-radius: 50%;
  pointer-events: none;
}

.hero-orbit-one {
  width: 560px;
  height: 560px;
  top: -330px;
  left: calc(50% - 280px);
}

.hero-orbit-two {
  width: 780px;
  height: 780px;
  top: -440px;
  left: calc(50% - 390px);
}

.hero-shell {
  position: relative;
  z-index: 2;
  width: min(880px, 100%);
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 7px 14px 7px 8px;
  border: 1px solid rgba(116, 87, 255, 0.22);
  border-radius: 999px;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.75);
  box-shadow: 0 10px 35px rgba(57, 45, 132, 0.08);
  font-size: 13px;
  font-weight: 850;
}

.hero-badge img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
}

.eyebrow,
.section-kicker {
  margin: 21px 0 9px;
  color: var(--violet-deep);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 840px;
  margin: 0 auto;
  color: var(--navy);
  font-size: clamp(42px, 7vw, 82px);
  line-height: 1.05;
  letter-spacing: -0.055em;
}

.hero-lead {
  max-width: 760px;
  margin: 24px auto 0;
  color: #56566d;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 0 24px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 900;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button b {
  font-size: 18px;
}

.button-primary {
  color: #fff;
  background: var(--violet);
  box-shadow: 6px 6px 0 var(--navy);
}

.button-secondary {
  border: 1px solid rgba(27, 27, 49, 0.2);
  color: var(--navy);
  background: rgba(255, 255, 255, 0.75);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-3px);
}

.direct-answer {
  max-width: 760px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 28px auto 0;
  padding: 13px 16px;
  border: 1px dashed rgba(116, 87, 255, 0.34);
  border-radius: 12px;
  color: #505069;
  background: rgba(255, 255, 255, 0.52);
  text-align: left;
  font-size: 14px;
}

.direct-answer strong {
  flex: 0 0 auto;
  color: var(--navy);
}

.mobile-dock {
  position: relative;
  z-index: 3;
  width: min(920px, calc(100% - 30px));
  margin: 58px auto -74px;
  overflow: hidden;
  border: 1px solid rgba(27, 27, 49, 0.12);
  border-radius: 24px;
  color: #fff;
  background: var(--navy);
  box-shadow: var(--shadow);
}

.dock-status {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(136, 232, 238, 0.12);
}

.dock-status b {
  color: #fff;
}

.dock-status small {
  margin-left: auto;
  color: rgba(255, 255, 255, 0.5);
}

.dock-app {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 28px 20px 22px;
  text-align: left;
}

.dock-app-icon {
  padding: 7px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.09);
}

.dock-app-icon img {
  width: 66px;
  height: 66px;
  border-radius: 15px;
}

.dock-app span,
.dock-app small {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: 12px;
}

.dock-app strong {
  display: block;
  margin: 1px 0 2px;
  font-size: 25px;
  line-height: 1.2;
}

.dock-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.dock-option {
  min-height: 112px;
  display: grid;
  grid-template-columns: 48px 1fr 26px;
  align-items: center;
  gap: 14px;
  padding: 20px 26px;
  background: var(--navy-soft);
  transition: background 0.2s ease;
}

.dock-option:hover,
.dock-option:focus-visible,
.dock-option.is-recommended {
  background: #34315e;
}

.system-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--navy);
  background: var(--cyan);
  font-size: 21px;
  font-weight: 950;
}

.dock-option:nth-child(2) .system-mark {
  background: var(--peach);
}

.dock-option b,
.dock-option small {
  display: block;
}

.dock-option b {
  font-size: 17px;
}

.dock-option small {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.55);
}

.dock-option i {
  font-size: 22px;
  font-style: normal;
}

.dock-foot {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 34px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
}

.dock-foot span::before {
  content: "✓";
  margin-right: 7px;
  color: var(--cyan);
  font-weight: 900;
}

.search-summary {
  padding: 132px 0 54px;
  background: var(--paper);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.summary-grid div {
  padding: 22px 28px;
}

.summary-grid div + div {
  border-left: 1px solid var(--line);
}

.summary-grid strong,
.summary-grid span {
  display: block;
}

.summary-grid strong {
  margin-bottom: 4px;
  color: var(--violet-deep);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.summary-grid span {
  color: var(--navy);
  font-size: 15px;
  font-weight: 800;
}

.version-section,
.brand-section,
.requirements-section,
.steps-section,
.troubleshoot-section,
.faq-section {
  padding: 104px 0;
}

.version-section {
  background: var(--mist);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 48px;
}

.section-heading-center {
  margin-inline: auto;
  text-align: center;
}

.section-heading .section-kicker,
.brand-copy .section-kicker,
.requirements-copy .section-kicker,
.troubleshoot-title-block .section-kicker,
.faq-intro .section-kicker,
.final-cta .section-kicker {
  margin-top: 0;
}

.section-heading h2,
.brand-copy h2,
.requirements-copy h2,
.troubleshoot-title-block h2,
.faq-intro h2,
.final-cta h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.section-heading p,
.brand-copy p,
.requirements-copy > p,
.troubleshoot-title-block p,
.faq-intro > p,
.final-cta p {
  margin: 18px 0 0;
  color: var(--ink-soft);
}

.version-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.version-card {
  position: relative;
  overflow: hidden;
  min-height: 510px;
  display: flex;
  flex-direction: column;
  padding: 34px;
  border: 1px solid rgba(27, 27, 49, 0.1);
  border-radius: 20px;
}

.version-card::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -70px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  opacity: 0.28;
}

.version-android {
  background: linear-gradient(145deg, #eefcff, #dff6f7);
}

.version-android::after {
  background: var(--cyan);
}

.version-ios {
  background: linear-gradient(145deg, #fff8f3, #ffe9dd);
}

.version-ios::after {
  background: var(--peach);
}

.version-topline {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #62637a;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.version-topline b {
  color: var(--navy);
  font-size: 22px;
  letter-spacing: 0;
}

.version-icon {
  position: relative;
  z-index: 1;
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  margin-top: 38px;
  border-radius: 18px;
  color: #fff;
  background: var(--navy);
  font-size: 28px;
  font-weight: 950;
  box-shadow: 8px 8px 0 rgba(27, 27, 49, 0.12);
}

.version-card h3 {
  position: relative;
  z-index: 1;
  margin: 26px 0 10px;
  color: var(--navy);
  font-size: 28px;
  line-height: 1.25;
}

.version-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #5f6075;
}

.version-card ul {
  position: relative;
  z-index: 1;
  margin: 24px 0 28px;
  padding: 0;
  list-style: none;
}

.version-card li {
  padding: 9px 0;
  border-bottom: 1px solid rgba(27, 27, 49, 0.1);
  color: #525369;
  font-size: 14px;
}

.version-card li b {
  color: var(--navy);
}

.text-action {
  position: relative;
  z-index: 1;
  width: max-content;
  margin-top: auto;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--navy);
  color: var(--navy);
  font-weight: 900;
}

.text-action span {
  margin-left: 8px;
}

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

.brand-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr) 310px;
  align-items: center;
  gap: 58px;
}

.brand-label {
  width: 180px;
  height: 180px;
  display: grid;
  place-content: center;
  border: 2px solid var(--navy);
  border-radius: 50%;
  color: var(--navy);
  background: var(--cyan);
  text-align: center;
  box-shadow: 12px 12px 0 var(--lavender-2);
}

.brand-label span,
.brand-label small {
  display: block;
}

.brand-label span {
  font-size: 62px;
  font-weight: 1000;
  line-height: 0.9;
  letter-spacing: -0.08em;
}

.brand-label small {
  margin-top: 10px;
  font-size: 11px;
  font-weight: 950;
  letter-spacing: 0.14em;
}

.brand-copy p {
  max-width: 680px;
}

.brand-note {
  padding: 25px;
  border-left: 5px solid var(--violet);
  color: #fff;
  background: var(--navy);
}

.brand-note strong {
  display: block;
  font-size: 17px;
}

.brand-note p {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
}

.requirements-section {
  background: var(--navy);
}

.requirements-layout {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 78px;
  align-items: start;
}

.requirements-copy {
  position: sticky;
  top: 120px;
}

.requirements-copy h2 {
  color: #fff;
}

.requirements-copy > p {
  color: rgba(255, 255, 255, 0.62);
}

.requirements-copy .section-kicker {
  color: var(--cyan);
}

.inline-download {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
  padding: 12px 0 5px;
  border-bottom: 2px solid var(--cyan);
  color: #fff;
  font-weight: 900;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.check-list li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 22px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.check-list > li > span {
  color: var(--cyan);
  font-size: 20px;
  font-weight: 950;
}

.check-list h3 {
  margin: 0;
  color: #fff;
  font-size: 20px;
}

.check-list p {
  margin: 7px 0 0;
  color: rgba(255, 255, 255, 0.58);
}

.steps-section {
  overflow: hidden;
  background: var(--lavender);
}

.steps-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.steps-track::before {
  content: "";
  position: absolute;
  top: 35px;
  left: 11%;
  right: 11%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--violet) 0 10px, transparent 10px 18px);
}

.steps-track article {
  position: relative;
  z-index: 1;
  padding: 0 18px;
  text-align: center;
}

.steps-track article > span {
  width: 70px;
  height: 70px;
  display: grid;
  place-items: center;
  margin: 0 auto 20px;
  border: 2px solid var(--navy);
  border-radius: 50%;
  color: var(--navy);
  background: var(--paper);
  font-size: 22px;
  font-weight: 950;
  box-shadow: 5px 5px 0 var(--cyan);
}

.steps-track h3 {
  margin: 0;
  color: var(--navy);
  font-size: 18px;
}

.steps-track p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

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

.troubleshoot-layout {
  display: grid;
  grid-template-columns: 0.74fr 1.26fr;
  gap: 70px;
  align-items: start;
}

.troubleshoot-table {
  border-top: 2px solid var(--navy);
}

.troubleshoot-table div {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 26px;
  padding: 23px 0;
  border-bottom: 1px solid var(--line);
}

.troubleshoot-table b {
  color: var(--navy);
}

.troubleshoot-table span {
  color: var(--ink-soft);
}

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

.faq-layout {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 70px;
  align-items: start;
}

.faq-intro {
  position: sticky;
  top: 120px;
}

.faq-mini-cta {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-top: 30px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.faq-mini-cta img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
}

.faq-mini-cta b,
.faq-mini-cta a {
  display: block;
}

.faq-mini-cta b {
  color: var(--navy);
  font-size: 14px;
}

.faq-mini-cta a {
  margin-top: 2px;
  color: var(--violet-deep);
  font-size: 13px;
  font-weight: 900;
}

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

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

.faq-list summary {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--navy);
  font-size: 17px;
  font-weight: 850;
  cursor: pointer;
  list-style: none;
}

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

.faq-list summary span {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--navy);
  font-size: 19px;
  transition: transform 0.2s ease;
}

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

.faq-list details p {
  max-width: 720px;
  margin: -2px 50px 24px 0;
  color: var(--ink-soft);
}

.final-cta {
  position: relative;
  overflow: hidden;
  padding: 82px 0;
  background: var(--cyan);
}

.final-cta-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.3;
  background-image:
    linear-gradient(45deg, transparent 45%, rgba(27, 27, 49, 0.14) 45% 55%, transparent 55%),
    linear-gradient(-45deg, transparent 45%, rgba(27, 27, 49, 0.14) 45% 55%, transparent 55%);
  background-size: 34px 34px;
}

.final-cta-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 50px;
}

.final-cta p {
  color: rgba(27, 27, 49, 0.7);
}

.final-actions {
  display: flex;
  gap: 12px;
}

.final-button {
  min-width: 160px;
  padding: 15px 19px;
  border: 2px solid var(--navy);
  border-radius: 10px;
  text-align: center;
  font-weight: 900;
  box-shadow: 5px 5px 0 rgba(27, 27, 49, 0.18);
  transition: transform 0.2s ease;
}

.final-button:hover,
.final-button:focus-visible {
  transform: translateY(-3px);
}

.final-button-dark {
  color: #fff;
  background: var(--navy);
}

.final-button-light {
  color: var(--navy);
  background: #fff;
}

.site-footer {
  padding: 60px 0 32px;
  color: rgba(255, 255, 255, 0.66);
  background: var(--navy);
}

.footer-shell {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px 70px;
}

.footer-brand img {
  filter: brightness(0) invert(1);
}

.footer-brand p {
  max-width: 520px;
  margin: 15px 0 0;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 10px 26px;
  align-content: start;
  font-size: 14px;
  font-weight: 760;
}

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

.footer-disclaimer {
  grid-column: 1 / -1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 12px;
}

.footer-disclaimer p {
  max-width: 760px;
  margin: 0;
}

.footer-disclaimer > span {
  flex: 0 0 auto;
}

@media (max-width: 980px) {
  .header-shell {
    grid-template-columns: 1fr auto auto;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 20px;
    right: 20px;
    display: none;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 22px 60px rgba(27, 27, 49, 0.14);
  }

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

  .site-nav a {
    padding: 11px 12px;
    border-radius: 8px;
  }

  .site-nav a::after {
    display: none;
  }

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

  .menu-toggle {
    display: block;
  }

  .brand-layout {
    grid-template-columns: 170px 1fr;
    gap: 40px;
  }

  .brand-note {
    grid-column: 1 / -1;
  }

  .requirements-layout,
  .troubleshoot-layout,
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .requirements-copy,
  .faq-intro {
    position: static;
  }

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

  .final-actions {
    justify-content: flex-start;
  }
}

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

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

  .brand img,
  .footer-brand img {
    height: 32px;
  }

  .header-cta {
    display: none;
  }

  .hero {
    padding: 66px 14px 0;
  }

  .hero h1 {
    font-size: clamp(41px, 14vw, 62px);
  }

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

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .direct-answer {
    display: block;
    text-align: center;
  }

  .direct-answer strong {
    display: block;
    margin-bottom: 3px;
  }

  .mobile-dock {
    margin-top: 42px;
    margin-bottom: -58px;
    border-radius: 18px;
  }

  .dock-status {
    padding: 0 15px;
  }

  .dock-status small {
    display: none;
  }

  .dock-app {
    padding: 22px 16px 18px;
  }

  .dock-options {
    grid-template-columns: 1fr;
  }

  .dock-option {
    min-height: 94px;
    padding: 16px 18px;
  }

  .dock-foot {
    gap: 14px;
  }

  .search-summary {
    padding-top: 104px;
  }

  .summary-grid,
  .version-grid {
    grid-template-columns: 1fr;
  }

  .summary-grid div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .version-section,
  .brand-section,
  .requirements-section,
  .steps-section,
  .troubleshoot-section,
  .faq-section {
    padding: 76px 0;
  }

  .section-heading {
    margin-bottom: 36px;
  }

  .version-card {
    min-height: 0;
    padding: 27px 23px;
  }

  .brand-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .brand-label {
    width: 140px;
    height: 140px;
  }

  .brand-label span {
    font-size: 48px;
  }

  .check-list li {
    grid-template-columns: 46px 1fr;
    gap: 12px;
  }

  .steps-track {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .steps-track::before {
    top: 28px;
    bottom: 28px;
    left: 34px;
    right: auto;
    width: 2px;
    height: auto;
    background: repeating-linear-gradient(180deg, var(--violet) 0 10px, transparent 10px 18px);
  }

  .steps-track article {
    display: grid;
    grid-template-columns: 70px 1fr;
    gap: 14px;
    padding: 0 0 27px;
    text-align: left;
  }

  .steps-track article > span {
    grid-row: 1 / 3;
    margin: 0;
  }

  .steps-track h3 {
    align-self: end;
  }

  .steps-track p {
    align-self: start;
  }

  .troubleshoot-table div {
    grid-template-columns: 1fr;
    gap: 7px;
  }

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

  .faq-list details p {
    margin-right: 0;
  }

  .final-cta {
    padding: 68px 0;
  }

  .final-actions {
    display: grid;
  }

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

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

  .footer-disclaimer {
    display: block;
  }

  .footer-disclaimer > span {
    display: block;
    margin-top: 16px;
  }
}

@media (max-width: 420px) {
  .hero-badge {
    font-size: 12px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .dock-app strong {
    font-size: 21px;
  }

  .dock-foot {
    justify-content: space-around;
    gap: 6px;
    font-size: 10px;
  }

  .dock-foot span::before {
    margin-right: 4px;
  }

  .version-card h3 {
    font-size: 24px;
  }

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

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}