@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&family=Noto+Serif+SC:wght@500;600;700;800&display=swap");

:root {
  --ink: #17233b;
  --muted: #65728d;
  --paper: #f4f7ff;
  --white: #ffffff;
  --blue: #3b63e4;
  --blue-2: #536cf0;
  --cyan: #2ac0d8;
  --lime: #e5ff5b;
  --violet: #6a50e7;
  --line: rgba(23, 35, 59, 0.14);
  --line-blue: rgba(59, 99, 228, 0.22);
  --shadow: 0 24px 60px rgba(37, 58, 135, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: "Manrope", "PingFang SC", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
}

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

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
}

h1 {
  margin-bottom: 18px;
  font-size: 68px;
  line-height: 1.05;
  font-weight: 800;
}

h2 {
  margin-bottom: 14px;
  font-size: 42px;
  line-height: 1.13;
  font-weight: 700;
}

h3 {
  margin-bottom: 8px;
  font-size: 21px;
  line-height: 1.22;
}

p {
  line-height: 1.8;
}

.section-shell {
  width: min(1280px, calc(100% - 44px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  border-bottom: 1px solid rgba(59, 99, 228, 0.12);
  background: rgba(244, 247, 255, 0.88);
  backdrop-filter: blur(18px);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  background: rgba(250, 252, 255, 0.98);
  box-shadow: 0 12px 30px rgba(39, 64, 138, 0.08);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: max-content;
  font-size: 20px;
  font-weight: 800;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: 26px;
  flex: 1;
}

.nav-links a {
  position: relative;
  padding: 8px 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.nav-links a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--blue);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  background: var(--blue);
}

.header-action,
.primary-button,
.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: #fff;
  background: var(--blue);
  box-shadow: 0 10px 18px rgba(59, 99, 228, 0.2);
  font-size: 14px;
  font-weight: 800;
  transition: transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.button-icon {
  width: 17px;
  height: 17px;
  margin-right: 8px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.header-action:hover,
.primary-button:hover,
.download-button:hover {
  transform: translateY(-1px);
  background: var(--blue-2);
  box-shadow: 0 15px 25px rgba(59, 99, 228, 0.25);
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line-blue);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.68);
  color: var(--blue);
  font-size: 14px;
  font-weight: 800;
  transition: transform 0.18s ease, background 0.18s ease;
}

.secondary-button:hover {
  transform: translateY(-1px);
  background: #fff;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
  color: var(--blue);
  font-family: "DM Mono", "PingFang SC", monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 5px rgba(59, 99, 228, 0.1);
}

.title-with-icon {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.title-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-top: 5px;
  flex: 0 0 auto;
  border: 1px solid rgba(59, 99, 228, 0.18);
  border-radius: 50%;
  color: var(--blue);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 8px 18px rgba(59, 99, 228, 0.11);
}

.title-icon svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.portal {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 76px);
  background:
    linear-gradient(180deg, rgba(244, 248, 255, 0.75), rgba(234, 241, 255, 0.8)),
    url("mesh-network.png") center/cover no-repeat;
}

.portal::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 72% 42%, rgba(87, 104, 240, 0.1), transparent 30%),
    repeating-linear-gradient(90deg, rgba(59, 99, 228, 0.035) 0 1px, transparent 1px 88px);
  pointer-events: none;
}

.portal-inner {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  grid-template-rows: auto 1fr;
  gap: 22px 34px;
  padding: 62px 0 48px;
}

.portal-copy {
  align-self: end;
  max-width: 650px;
}

.portal-copy p:not(.eyebrow) {
  max-width: 560px;
  color: var(--muted);
  font-size: 17px;
}

.portal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.connect-board {
  position: relative;
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: stretch;
  min-height: 560px;
  padding: 22px;
  border: 1px solid rgba(59, 99, 228, 0.18);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.65);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

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

.board-top strong {
  font-size: 15px;
}

.board-top span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.node-orbit {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 304px;
}

.node-orbit::before,
.node-orbit::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(59, 99, 228, 0.18);
  border-radius: 50%;
}

.node-orbit::before {
  width: 248px;
  height: 248px;
  animation: rotate 14s linear infinite;
}

.node-orbit::after {
  width: 190px;
  height: 190px;
  border-color: rgba(42, 192, 216, 0.34);
  animation: rotateReverse 10s linear infinite;
}

.core-node {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 126px;
  height: 126px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 0 0 14px rgba(59, 99, 228, 0.08), 0 18px 30px rgba(59, 99, 228, 0.24);
  text-align: center;
}

.core-node strong {
  display: block;
  font-size: 26px;
}

.core-node span {
  font-size: 11px;
}

.orbit-dot {
  position: absolute;
  z-index: 2;
  width: 14px;
  height: 14px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 3px 9px rgba(35, 55, 126, 0.2);
}

.orbit-dot.one {
  top: 42px;
  left: 50%;
}

.orbit-dot.two {
  right: 72px;
  bottom: 74px;
  background: var(--cyan);
}

.orbit-dot.three {
  bottom: 70px;
  left: 72px;
  background: var(--violet);
}

.board-route {
  display: grid;
  gap: 10px;
}

.board-route div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.board-route span {
  color: var(--muted);
  font-size: 12px;
}

.board-route strong {
  color: var(--blue);
  font-size: 12px;
}

.board-chart {
  position: relative;
  height: 104px;
  margin-top: 16px;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(150deg, transparent 0 32%, rgba(59, 99, 228, 0.12) 32% 34%, transparent 34% 46%, rgba(42, 192, 216, 0.22) 46% 48%, transparent 48% 100%);
}

.board-chart::after {
  content: "";
  position: absolute;
  right: 8%;
  bottom: 26px;
  left: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet));
  transform: rotate(-9deg);
  box-shadow: 0 0 12px rgba(59, 99, 228, 0.34);
}

.portal-meta {
  align-self: end;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 630px;
  border-top: 1px solid var(--line);
}

.portal-meta div {
  padding: 18px 16px 0 0;
}

.portal-meta div + div {
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.portal-meta strong {
  display: block;
  margin-bottom: 4px;
  color: var(--blue);
  font-size: 23px;
}

.portal-meta span {
  color: var(--muted);
  font-size: 12px;
}

.ticker {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.ticker-track {
  display: flex;
  gap: 32px;
  width: max-content;
  padding: 16px 0;
  color: var(--blue);
  font-family: "DM Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  animation: ticker 25s linear infinite;
}

.ticker-track span::before {
  content: "✦";
  margin-right: 12px;
  color: var(--cyan);
}

.wayfinder {
  padding: 112px 0;
  background: var(--white);
}

.wayfinder-head {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 80px;
  margin-bottom: 42px;
}

.wayfinder-head p:not(.eyebrow) {
  max-width: 590px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
}

.wayfinder-map {
  position: relative;
  min-height: 460px;
  overflow: hidden;
  border: 1px solid var(--line-blue);
  background:
    linear-gradient(90deg, rgba(244, 248, 255, 0.22), rgba(235, 241, 255, 0.68)),
    url("mesh-network.png") center/cover no-repeat;
}

.wayfinder-map::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.2), transparent);
}

.wayfinder-callout {
  position: absolute;
  z-index: 1;
  padding: 14px;
  border: 1px solid rgba(59, 99, 228, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 10px 20px rgba(38, 62, 135, 0.08);
}

.wayfinder-callout strong {
  display: block;
  margin-bottom: 3px;
  color: var(--blue);
  font-size: 14px;
}

.wayfinder-callout span {
  color: var(--muted);
  font-size: 11px;
}

.wayfinder-callout.a {
  top: 62px;
  left: 10%;
}

.wayfinder-callout.b {
  right: 16%;
  bottom: 52px;
}

.wayfinder-callout.c {
  top: 39%;
  left: 49%;
}

.modes {
  padding: 104px 0;
  background: #eaf1ff;
}

.mode-layout {
  display: grid;
  grid-template-columns: 0.74fr 1.26fr;
  gap: 66px;
}

.mode-copy {
  align-self: start;
  position: sticky;
  top: 112px;
}

.mode-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 16px;
}

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

.mode-row {
  display: grid;
  grid-template-columns: 44px 42px minmax(0, 1fr) 135px;
  gap: 18px;
  align-items: center;
  padding: 23px 0;
  border-bottom: 1px solid var(--line);
}

.mode-index {
  color: var(--blue);
  font-family: "DM Mono", monospace;
  font-size: 12px;
}

.mode-icon,
.access-icon {
  display: grid;
  place-items: center;
  color: var(--blue);
  background: rgba(59, 99, 228, 0.09);
}

.mode-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
}

.mode-icon svg,
.access-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.mode-row p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.mode-tag {
  justify-self: end;
  padding: 7px 9px;
  border-radius: 999px;
  background: #fff;
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
}

.access {
  padding: 112px 0;
  background: var(--white);
}

.access-head {
  max-width: 700px;
  margin-bottom: 40px;
}

.access-head p:not(.eyebrow) {
  color: var(--muted);
  font-size: 16px;
}

.access-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.access-item {
  position: relative;
  min-height: 210px;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--paper);
  overflow: hidden;
}

.access-item::after {
  content: "";
  position: absolute;
  right: -55px;
  bottom: -72px;
  width: 190px;
  height: 190px;
  border: 1px solid rgba(59, 99, 228, 0.18);
  border-radius: 50%;
}

.access-item strong {
  display: block;
  margin: 14px 0 12px;
  color: var(--blue);
  font-family: "DM Mono", monospace;
  font-size: 12px;
}

.access-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
}

.access-item p {
  max-width: 350px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.access-item a {
  position: absolute;
  bottom: 21px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.download-cover {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 76px);
  background:
    linear-gradient(90deg, rgba(248, 251, 255, 0.94), rgba(238, 246, 255, 0.76)),
    url("client-grid.png") center/cover no-repeat;
}

.download-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 77% 42%, rgba(106, 80, 231, 0.16), transparent 23%);
  pointer-events: none;
}

.download-cover-inner {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 42px;
  align-items: center;
  padding: 58px 0;
}

.download-copy {
  max-width: 600px;
}

.download-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
}

.device-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line-blue);
  background: rgba(255, 255, 255, 0.54);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.device-button {
  min-height: 160px;
  padding: 18px;
  border: 1px solid rgba(59, 99, 228, 0.15);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.device-button:hover,
.device-button.is-selected {
  transform: translateY(-3px);
  border-color: var(--blue);
  background: #eef2ff;
}

.device-symbol {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 30px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  font-size: 18px;
  font-weight: 800;
}

.device-symbol svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.device-button strong {
  display: block;
  margin-bottom: 4px;
  font-size: 17px;
}

.device-button span {
  color: var(--muted);
  font-size: 12px;
}

.chosen-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 14px;
  padding: 15px 16px;
  border: 1px solid var(--line-blue);
  background: #fff;
}

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

.chosen-bar strong {
  color: var(--blue);
}

.download-details {
  padding: 100px 0;
  background: var(--white);
}

.download-detail-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 70px;
}

.detail-note {
  position: sticky;
  top: 112px;
  align-self: start;
}

.detail-note p:not(.eyebrow) {
  color: var(--muted);
  font-size: 15px;
}

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

.version-row {
  display: grid;
  grid-template-columns: 54px minmax(150px, 0.8fr) minmax(0, 1.2fr) auto;
  gap: 18px;
  align-items: center;
  min-height: 106px;
  border-bottom: 1px solid var(--line);
}

.version-row:hover {
  background: #f7f9ff;
}

.version-index {
  color: var(--blue);
  font-family: "DM Mono", monospace;
  font-size: 12px;
}

.version-name {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.version-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 9px;
  color: var(--blue);
  background: #eef2ff;
}

.version-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.version-name strong {
  display: block;
  margin-bottom: 4px;
  font-size: 19px;
}

.version-name > div > span,
.version-meta {
  color: var(--muted);
  font-size: 12px;
}

.version-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 13px;
}

.version-meta span::before {
  content: "·";
  margin-right: 6px;
  color: var(--cyan);
  font-weight: 900;
}

.download-button.is-pending {
  color: var(--muted);
  background: #e5e9ef;
  box-shadow: none;
}

.install-area {
  padding: 0 0 100px;
  background: var(--white);
}

.install-band {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  background:
    linear-gradient(90deg, rgba(59, 99, 228, 0.96), rgba(42, 192, 216, 0.86)),
    url("mesh-network.png") center/cover no-repeat;
  color: #fff;
}

.install-copy,
.help-column {
  padding: 30px;
}

.install-copy h2 {
  color: #fff;
  font-size: 33px;
}

.install-copy p {
  color: rgba(255, 255, 255, 0.78);
}

.install-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.install-steps div {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 10px;
  border-top: 2px solid var(--lime);
  color: rgba(255, 255, 255, 0.86);
  font-size: 12px;
}

.step-icon,
.summary-icon {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.help-column {
  background: rgba(20, 48, 130, 0.24);
}

.help-column details {
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.help-column summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 13px 0;
  font-size: 13px;
  font-weight: 800;
}

.help-column p {
  margin: 0;
  padding: 0 0 14px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
}

.site-footer {
  padding: 28px 0;
  color: rgba(255, 255, 255, 0.68);
  background: var(--ink);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-inner p {
  margin-bottom: 0;
  font-size: 12px;
}

@keyframes rotate {
  to {
    transform: rotate(360deg);
  }
}

@keyframes rotateReverse {
  to {
    transform: rotate(-360deg);
  }
}

@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

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

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

@media (max-width: 1040px) {
  h1 {
    font-size: 54px;
  }

  h2 {
    font-size: 35px;
  }

  .portal-inner,
  .download-cover-inner,
  .download-detail-grid,
  .install-band {
    grid-template-columns: 1fr;
  }

  .connect-board {
    grid-column: auto;
    grid-row: auto;
    min-height: 0;
  }

  .portal-meta {
    max-width: none;
  }

  .wayfinder-head,
  .mode-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .mode-copy,
  .detail-note {
    position: static;
  }
}

@media (max-width: 720px) {
  .section-shell {
    width: min(100% - 28px, 1280px);
  }

  .header-inner {
    flex-wrap: wrap;
    align-items: flex-start;
    padding: 13px 0;
  }

  .header-action {
    display: none;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 29px;
  }

  .portal-inner,
  .download-cover-inner {
    min-height: auto;
    padding: 50px 0 60px;
  }

  .portal-meta,
  .access-grid,
  .device-matrix,
  .install-steps {
    grid-template-columns: 1fr;
  }

  .portal-meta div,
  .portal-meta div + div {
    padding: 14px 0 0;
    border-left: 0;
  }

  .wayfinder,
  .modes,
  .access,
  .download-details {
    padding: 76px 0;
  }

  .wayfinder-map {
    min-height: 520px;
  }

  .mode-row,
  .version-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 20px 0;
  }

  .mode-tag {
    justify-self: start;
  }

  .chosen-bar {
    align-items: stretch;
    flex-direction: column;
  }

  .download-button {
    width: 100%;
  }

  .install-band {
    margin: 0 -14px;
  }

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