:root {
  color-scheme: light dark;
  --ink: #06070d;
  --ink-soft: #0b0c17;
  --paper: #06070d;
  --paper-strong: #0b0c17;
  --muted: #b4b8c8;
  --line: rgba(238, 240, 246, 0.14);
  --line-dark: rgba(255, 255, 255, 0.16);
  --blue: #007deb;
  --cyan: #29c7d8;
  --green: #28b67a;
  --amber: #f0a43a;
  --coral: #f46954;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --header-h: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 18px);
}

body {
  margin: 0;
  background: var(--paper);
  color: #eef0f6;
  font-family: "Aptos", "HarmonyOS Sans SC", "Microsoft YaHei UI", "PingFang SC", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

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

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

img,
svg {
  display: block;
}

svg {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

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

.section-dark {
  background: var(--ink);
  color: #eef0f6;
}

.section-light {
  background: var(--paper);
  color: #eef0f6;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 14px;
  background: var(--paper-strong);
  color: #eef0f6;
  border: 1px solid var(--line);
  border-radius: 8px;
  transform: translateY(-140%);
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(6, 7, 13, 0.82);
  color: #eef0f6;
  backdrop-filter: blur(18px);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.is-compact {
  background: rgba(6, 7, 13, 0.96);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.22);
}

.header-inner {
  height: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 42px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  box-shadow: 0 0 20px rgba(41, 199, 216, 0.18);
}

.brand-text {
  display: grid;
  line-height: 1.1;
}

.brand-text strong {
  font-size: 16px;
}

.brand-text span {
  color: rgba(237, 247, 255, 0.62);
  font-size: 12px;
}

.site-nav {
  justify-self: start;
  display: flex;
  align-items: center;
  gap: 34px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.site-nav a {
  position: relative;
  min-height: var(--header-h);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(237, 247, 255, 0.58);
  font-size: 14px;
  font-weight: 760;
  padding: 0;
  transition: color 160ms ease, transform 160ms ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14px;
  height: 2px;
  border-radius: 999px;
  background: var(--green);
  opacity: 0;
  transform: scaleX(0.45);
  transition: opacity 160ms ease, transform 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #fff;
  outline: 0;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.site-nav a.is-active {
  color: #eef0f6;
}

.site-nav a:active {
  transform: translateY(1px);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  place-items: center;
  padding: 10px;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  margin: 2px 0;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 58px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: none;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(600px, 600px);
  justify-content: space-between;
  gap: 40px;
  align-items: center;
  text-align: left;
}

.hero-copy {
  display: grid;
  justify-items: start;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-family: "Aptos Display", "DIN Alternate", "Microsoft YaHei UI", sans-serif;
  font-size: 52px;
  line-height: 0.92;
}

.hero-kicker {
  margin: 18px 0 0;
  color: #eef0f6;
  font-size: 30px;
  font-weight: 760;
  line-height: 1.25;
}

.hero-lead {
  max-width: 590px;
  margin: 22px 0 0;
  color: #b4b8c8;
  font-size: 18px;
}

.hero-promise {
  max-width: 690px;
  margin: 18px 0 0;
  color: rgba(237, 247, 255, 0.82);
  font-size: 17px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 12px;
  margin-top: 34px;
}

.hero-actions .btn {
  min-width: 148px;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 760;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
  outline: 0;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #14a9d0);
  box-shadow: none;
}

.btn-icon {
  font-size: 18px;
}

.btn-windows,
.btn-apple {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
}

.btn-windows svg,
.btn-apple svg {
  width: 23px;
  height: 23px;
}

.btn-windows path,
.btn-apple path {
  fill: currentColor;
  stroke: none;
}

.pain-points {
  position: relative;
  overflow: hidden;
  margin-top: -1px;
  padding: 54px 0 76px;
  background: #06070d;
}

.hero-setup {
  justify-self: end;
  width: 100%;
  max-width: 600px;
  min-width: 0;
}

.setup-window {
  --setup-panel: #121927;
  --setup-panel-soft: rgba(255, 255, 255, 0.065);
  --setup-line: rgba(123, 147, 184, 0.22);
  --setup-text: #eef0f6;
  --setup-muted: #b4b8c8;
  --setup-accent: #29c7d8;
  width: 100%;
  min-width: 0;
  margin: 0;
  border: 1px solid var(--setup-line);
  border-radius: 10px;
  background: var(--setup-panel);
  color: var(--setup-text);
  box-shadow: 0 28px 72px rgba(0, 0, 0, 0.32);
  overflow: hidden;
}

.hero-setup,
.setup-window,
.setup-stepper,
.setup-viewport,
.setup-track,
.setup-step {
  min-width: 0;
}

.setup-titlebar {
  min-height: 44px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--setup-line);
  background: #0a0f1b;
  color: rgba(180, 190, 214, 0.62);
  font-size: 13px;
  font-weight: 760;
}

.setup-traffic {
  justify-self: start;
  display: inline-flex;
  gap: 8px;
}

.setup-traffic span {
  width: 12px;
  height: 12px;
  border-radius: 999px;
}

.setup-traffic span:nth-child(1) {
  background: #ff5f57;
}

.setup-traffic span:nth-child(2) {
  background: #ffbd2e;
}

.setup-traffic span:nth-child(3) {
  background: #28c840;
}

.setup-titlebar-title {
  justify-self: center;
}

.setup-titlebar-spacer {
  justify-self: end;
}

.setup-window[data-step="0"] .setup-stepper,
.setup-window[data-step="0"] .setup-footer {
  display: none;
}

.setup-window[data-step="0"] .setup-viewport {
  height: 354px;
  background: #121927;
}

.setup-stepper {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  padding: 10px 16px 0;
}

.setup-stepper span {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 4px;
  color: rgba(237, 247, 255, 0.42);
  font-size: 11px;
  font-weight: 800;
}

.setup-stepper span::before {
  content: "";
  position: absolute;
  top: 12px;
  left: calc(-50% + 16px);
  width: calc(100% - 24px);
  height: 2px;
  background: rgba(255, 255, 255, 0.12);
}

.setup-stepper span:first-child::before {
  display: none;
}

.setup-stepper strong {
  position: relative;
  z-index: 1;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border: 2px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: #0b0c17;
  color: inherit;
  font-size: 12px;
  line-height: 1;
}

.setup-stepper .active,
.setup-stepper .done {
  color: var(--setup-accent);
}

.setup-stepper .done strong,
.setup-stepper .active strong {
  border-color: var(--setup-accent);
}

.setup-stepper .done strong {
  background: var(--setup-accent);
  color: #061016;
}

.setup-stepper .done::before,
.setup-stepper .active::before {
  background: rgba(41, 199, 216, 0.7);
}

.setup-viewport {
  height: 250px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.035);
}

.setup-track {
  width: 100%;
  height: 100%;
  display: flex;
  transition: transform 360ms cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}

.setup-step {
  flex: 0 0 100%;
  min-width: 0;
  height: 100%;
  min-height: 0;
  overflow: hidden;
  padding: 15px 22px;
}

.setup-step > * {
  opacity: 0.68;
  transform: translateY(6px);
  transition: opacity 260ms ease, transform 260ms ease;
}

.setup-step.is-active > * {
  opacity: 1;
  transform: translateY(0);
}

.setup-step.is-active > *:nth-child(2) {
  transition-delay: 60ms;
}

.setup-step.is-active > *:nth-child(3) {
  transition-delay: 110ms;
}

.setup-step h3 {
  display: inline-block;
  margin: 0 0 10px;
  color: var(--setup-accent);
  font-size: 18px;
  line-height: 1.2;
}

.setup-welcome-step {
  display: grid;
  place-items: center;
  padding: 0 48px;
  text-align: center;
}

.setup-welcome-card {
  display: grid;
  justify-items: center;
  max-width: 390px;
}

.setup-app-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin-bottom: 28px;
  border-radius: 14px;
}

.setup-app-icon img {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  filter: drop-shadow(0 18px 30px rgba(41, 199, 216, 0.16));
}

.setup-welcome-card h3 {
  display: block;
  margin: 0;
  color: #edf4ff;
  font-size: 25px;
  line-height: 1.18;
}

.setup-welcome-card p {
  max-width: 360px;
  margin: 18px 0 28px;
  color: rgba(180, 190, 214, 0.74);
  font-size: 15px;
  line-height: 1.7;
}

.setup-start {
  min-width: 138px;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 0;
  border-radius: 7px;
  background: #f33349;
  color: #fff;
  font: inherit;
  font-weight: 860;
  cursor: pointer;
  box-shadow: 0 14px 34px rgba(243, 51, 73, 0.25);
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.setup-start:hover,
.setup-start:focus-visible {
  background: #ff4054;
  outline: 0;
  transform: translateY(-1px);
  box-shadow: 0 16px 42px rgba(243, 51, 73, 0.34);
}

.setup-start:active {
  transform: translateY(0);
}

.setup-step label {
  display: block;
  margin: 0 0 10px;
  font-weight: 900;
}

.setup-input {
  width: 100%;
  min-height: 48px;
  margin: 0 0 22px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  background: rgba(6, 7, 13, 0.82);
  color: var(--setup-text);
  font-family: "Cascadia Code", "Courier New", monospace;
  font-weight: 800;
}

.setup-input:focus {
  border-color: rgba(41, 199, 216, 0.72);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(41, 199, 216, 0.14);
}

.setup-check-list {
  display: grid;
  gap: 6px;
  margin-top: 0;
}

.setup-welcome {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.setup-welcome img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.setup-welcome strong,
.setup-voice-card strong {
  display: block;
  color: var(--setup-text);
  font-size: 17px;
}

.setup-welcome p,
.setup-voice-card p {
  margin: 6px 0 0;
  color: var(--setup-muted);
}

.setup-feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.setup-feature-list li {
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.045);
  color: rgba(237, 247, 255, 0.82);
  font-weight: 800;
}

.setup-check-list p,
.setup-hint,
.setup-ready p {
  margin: 0;
  font-weight: 800;
}

.setup-check-list p {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 7px 9px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.055);
  color: rgba(237, 247, 255, 0.78);
}

.setup-status-dot {
  width: 10px;
  height: 10px;
  border: 2px solid rgba(237, 247, 255, 0.24);
  border-radius: 999px;
}

.setup-check-list strong {
  color: rgba(237, 247, 255, 0.45);
  font-size: 12px;
}

.setup-check-list p.is-checking .setup-status-dot {
  border-color: rgba(41, 199, 216, 0.28);
  border-top-color: var(--setup-accent);
  animation: setupSpin 720ms linear infinite;
}

.setup-check-list p.is-checking strong,
.setup-skill-list p.is-installing span {
  color: var(--setup-accent);
}

.setup-check-list p.is-done {
  background: rgba(40, 182, 122, 0.09);
}

.setup-check-list p.is-done .setup-status-dot {
  border-color: var(--green);
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(40, 182, 122, 0.1);
}

.setup-check-list p.is-done strong {
  color: var(--green);
}

.setup-hint {
  margin-top: 22px;
  color: var(--setup-muted);
}

.setup-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.setup-inline-actions button {
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--setup-text);
  font-weight: 900;
}

.setup-progress {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 14px;
  margin-bottom: 10px;
  color: var(--setup-muted);
  font-weight: 800;
}

.setup-progress strong {
  color: var(--setup-accent);
}

.setup-progress div {
  grid-column: 1 / -1;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.setup-progress div span {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.32), transparent 34%, transparent 66%, rgba(255, 255, 255, 0.24)),
    linear-gradient(90deg, var(--blue), var(--setup-accent));
  background-size: 90px 100%, 100% 100%;
  transition: width 180ms linear;
}

.setup-step.is-active .setup-progress div span {
  animation: setupProgressSheen 1100ms linear infinite;
}

.setup-skill-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.setup-skill-list p,
.setup-complete-list p {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 3px 8px;
  margin: 0;
  padding: 7px 9px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.055);
}

.setup-skill-list p {
  position: relative;
  overflow: hidden;
}

.setup-skill-list p::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: rgba(237, 247, 255, 0.18);
  transition: background 180ms ease;
}

.setup-skill-list p.is-installing {
  background: rgba(41, 199, 216, 0.09);
}

.setup-skill-list p.is-installing::before {
  background: var(--setup-accent);
}

.setup-skill-list p.is-done {
  background: rgba(40, 182, 122, 0.09);
}

.setup-skill-list p.is-done::before {
  background: var(--green);
}

.setup-complete-list p {
  grid-template-columns: 70px minmax(0, 1fr);
}

.setup-skill-list em {
  display: none;
  color: var(--setup-muted);
  font-size: 11px;
  font-style: normal;
  font-weight: 720;
}

.setup-skill-list span,
.setup-complete-list strong {
  color: rgba(237, 247, 255, 0.42);
  font-size: 12px;
  font-weight: 900;
}

.setup-skill-list p.is-done span,
.setup-complete-list strong {
  color: var(--green);
}

.setup-skill-list p.is-done span {
  animation: setupDonePop 240ms ease both;
}

.setup-complete-list strong {
  margin: 0;
  line-height: 1.35;
  text-align: right;
}

.setup-voice-card {
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
}

.setup-voice-card div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.setup-voice-card span {
  flex: 0 0 auto;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(240, 164, 58, 0.15);
  color: var(--amber);
  font-size: 12px;
  font-weight: 900;
}

.setup-voice-card.is-checking span {
  background: rgba(41, 199, 216, 0.14);
  color: var(--setup-accent);
}

.setup-voice-card.is-done span {
  background: rgba(40, 182, 122, 0.15);
  color: var(--green);
}

.setup-voice-meter {
  height: 7px;
  margin-top: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.setup-voice-meter span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--green));
  transition: width 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.setup-voice-card button {
  min-height: 34px;
  margin-top: 10px;
  padding: 0 12px;
  border: 1px solid rgba(41, 199, 216, 0.48);
  border-radius: 6px;
  background: rgba(41, 199, 216, 0.14);
  color: var(--setup-text);
  font-weight: 900;
}

.setup-complete-list {
  width: min(100%, 430px);
  display: grid;
  gap: 8px;
  margin: 14px 0;
}

.setup-complete-list span {
  color: var(--setup-muted);
  font-weight: 800;
}

.setup-ready {
  display: grid;
  align-content: center;
  justify-items: center;
  text-align: center;
}

.setup-ready > strong {
  margin-bottom: 10px;
  color: var(--setup-text);
  font-size: 24px;
}

.setup-footer {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 18px;
  border-top: 1px solid var(--setup-line);
  background: rgba(255, 255, 255, 0.04);
}

.setup-dots {
  display: flex;
  gap: 8px;
}

.setup-dots span {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  cursor: pointer;
}

.setup-dots .active {
  background: var(--setup-accent);
}

.setup-actions {
  display: flex;
  gap: 10px;
}

.setup-prev,
.setup-next {
  min-height: 34px;
  padding: 0 16px;
  border: 1px solid rgba(41, 199, 216, 0.48);
  border-radius: 6px;
  background: linear-gradient(135deg, var(--blue), #14a9d0);
  color: #fff;
  font-weight: 900;
  cursor: pointer;
}

.setup-prev {
  display: none;
  border-color: var(--setup-line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--setup-text);
}

.setup-prev.is-visible {
  display: inline-flex;
  align-items: center;
}

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

@keyframes setupProgressSheen {
  from {
    background-position: -90px 0, 0 0;
  }
  to {
    background-position: 180px 0, 0 0;
  }
}

@keyframes setupDonePop {
  0% {
    opacity: 0.3;
    transform: scale(0.96);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.pain-points::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(40, 182, 122, 0.035) 42%, transparent);
  pointer-events: none;
}

.pain-points > .container {
  position: relative;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.pain-grid article {
  min-height: 198px;
  padding: 26px 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.028)),
    rgba(18, 18, 24, 0.82);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.2);
}

.pain-icon {
  display: block;
  margin-bottom: 28px;
  font-size: 25px;
  line-height: 1;
}

.pain-grid h3 {
  margin: 0 0 12px;
  color: #fff;
  font-size: 20px;
  line-height: 1.3;
}

.pain-grid p {
  margin: 0;
  color: rgba(237, 247, 255, 0.56);
  font-size: 15px;
  line-height: 1.75;
}

.section-heading h2,
.download h2 {
  margin: 0;
  font-size: 46px;
  line-height: 1.08;
}

.feature-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-strong);
}

.feature-grid h3 {
  margin: 12px 0 8px;
  font-size: 18px;
}

.feature-grid p,
.section-heading p,
.download p {
  margin: 0;
  color: var(--muted);
}

.product,
.agents,
.download {
  padding: 92px 0;
}

.product {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(rgba(0, 0, 0, 0), rgba(54, 125, 255, 0.04), rgba(0, 0, 0, 0)),
    #06070d;
  color: #eef0f6;
}

.product::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.36;
  pointer-events: none;
}

.product > .container {
  position: relative;
}

.agents,
.download {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(rgba(0, 0, 0, 0), rgba(54, 125, 255, 0.04), rgba(0, 0, 0, 0)),
    #06070d;
  color: #eef0f6;
}

.agents::before,
.download::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.052) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.052) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.34;
  pointer-events: none;
}

.agents > .container,
.download > .container {
  position: relative;
}

.product .section-heading h2,
.agents .section-heading h2,
.download h2,
.product .feature-grid h3 {
  color: #eef0f6;
}

.product .section-heading p,
.agents .section-heading p,
.download p,
.product .feature-grid p {
  color: #b4b8c8;
}

.section-heading {
  text-align: center;
  margin-bottom: 34px;
}

.section-heading.align-left {
  text-align: left;
}

.section-heading p {
  max-width: 720px;
  margin: 12px auto 0;
  font-size: 17px;
}

.section-heading.align-left p {
  margin-left: 0;
}

.product-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: stretch;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-grid article {
  min-height: 210px;
  padding: 26px 24px;
  border-color: rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.025)),
    rgba(20, 20, 26, 0.88);
  box-shadow: 0 20px 54px rgba(0, 0, 0, 0.24);
}

.feature-icon {
  display: block;
  width: auto;
  height: auto;
  margin-bottom: 26px;
  color: #eef6ff;
  font-size: 26px;
  font-weight: 900;
  line-height: 1;
}

.feature-icon-cn {
  color: #5ab8ff;
  font-size: 20px;
  letter-spacing: 0;
}

.feature-grid h3 {
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.25;
}

.feature-grid p {
  font-size: 16px;
  line-height: 1.75;
}

.download-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(520px, 1.14fr);
  gap: 42px;
  align-items: center;
}

.download-copy {
  max-width: 520px;
}

.download-copy h2 {
  max-width: 520px;
  font-size: 42px;
  line-height: 1.02;
}

.download-copy h2 span {
  color: #eef0f6;
}

.download-copy p {
  max-width: 440px;
  margin-top: 18px;
  color: rgba(237, 247, 255, 0.74);
  font-size: 17px;
  line-height: 1.7;
}

.download-notes {
  display: grid;
  gap: 8px;
  margin-top: 24px;
}

.download-notes span {
  position: relative;
  padding-left: 18px;
  color: rgba(237, 247, 255, 0.68);
  font-size: 14px;
  line-height: 1.5;
}

.download-notes span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(41, 199, 216, 0.42);
}

.interface-preview {
  display: grid;
  justify-items: center;
}

.interface-preview .section-heading {
  margin-bottom: 28px;
}

.interface-preview h2 {
  max-width: 860px;
  margin: 0 auto;
  font-size: 46px;
  line-height: 1.08;
}

.interface-preview h2 span {
  color: inherit;
}

.preview-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}

.preview-tabs button {
  min-width: 116px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
  color: rgba(237, 247, 255, 0.58);
  font: inherit;
  font-weight: 760;
  cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.preview-tabs button:hover,
.preview-tabs button:focus-visible {
  color: #eef0f6;
  border-color: rgba(237, 247, 255, 0.28);
  outline: 0;
  transform: translateY(-1px);
}

.preview-tabs .active {
  color: #00e889;
  border-color: rgba(0, 232, 137, 0.58);
  background: rgba(0, 232, 137, 0.09);
  box-shadow: 0 18px 52px rgba(0, 232, 137, 0.12);
}

.preview-window {
  width: min(100%, 900px);
  margin: 0;
  padding: 14px;
  border: 1px solid rgba(41, 199, 216, 0.24);
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(40, 182, 122, 0.11), rgba(41, 199, 216, 0.06)),
    rgba(255, 255, 255, 0.055);
  box-shadow:
    0 34px 90px rgba(0, 0, 0, 0.38),
    0 0 80px rgba(0, 232, 137, 0.08);
  overflow: hidden;
}

.preview-window img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  object-fit: contain;
  object-position: left top;
  opacity: 1;
  transition: opacity 160ms ease, transform 220ms ease;
}

.preview-window img.is-switching {
  opacity: 0;
  transform: scale(0.992);
}

.download-layout {
  align-items: center;
}

.download-panel {
  display: grid;
  align-self: center;
  gap: 12px;
}

.platform-btn {
  width: 100%;
  min-height: 86px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.065);
  color: #edf7ff;
  text-align: left;
}

.platform-btn.available {
  border-color: rgba(41, 199, 216, 0.44);
  box-shadow: 0 18px 48px rgba(0, 125, 235, 0.2);
}

.platform-btn.secondary-release {
  border-color: rgba(240, 164, 58, 0.36);
  box-shadow: none;
}

.platform-btn.disabled {
  opacity: 0.52;
}

.platform-icon {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(0, 125, 235, 0.18);
  color: var(--blue);
  font-size: 13px;
  font-weight: 840;
}

.platform-icon svg {
  fill: currentColor;
  stroke: none;
  width: 22px;
  height: 22px;
}

.platform-btn strong,
.platform-btn small {
  display: block;
}

.platform-btn strong {
  font-size: 18px;
}

.platform-btn small {
  color: rgba(237, 247, 255, 0.62);
}

.site-footer {
  padding: 26px 0;
  background: #050b14;
  color: rgba(237, 247, 255, 0.7);
}

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

.footer-inner div {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 840;
}

.footer-inner img {
  width: 28px;
  height: 28px;
}

.footer-inner p {
  margin: 0;
}

.footer-inner a {
  color: #fff;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 520ms ease, transform 520ms ease;
}

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

@media (max-width: 1020px) {
  .hero-inner,
  .product-layout,
  .download-layout {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    gap: 36px;
  }

  .hero-setup {
    justify-self: stretch;
    max-width: none;
  }

  .hero h1 {
    font-size: 52px;
  }

  .hero-kicker {
    font-size: 22px;
  }

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

}

@media (max-width: 780px) {
  :root {
    --header-h: 64px;
  }

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

  .header-inner {
    grid-template-columns: auto auto;
    justify-content: space-between;
    gap: 18px;
  }

  .nav-toggle {
    display: grid;
  }

  .site-nav {
    position: fixed;
    left: 14px;
    right: 14px;
    top: calc(var(--header-h) + 10px);
    width: auto;
    justify-self: stretch;
    display: grid;
    gap: 4px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 14px;
    background: rgba(7, 17, 31, 0.98);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 160ms ease, transform 160ms ease;
  }

  body.nav-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    width: 100%;
    min-height: 42px;
    color: rgba(237, 247, 255, 0.82);
    justify-content: flex-start;
    padding: 0 14px;
  }

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

  .site-nav a.is-active {
    color: #00e889;
  }

  .hero {
    padding-top: 96px;
  }

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

  .preview-tabs {
    margin-bottom: 26px;
  }

  .preview-window {
    padding: 8px;
    border-radius: 12px;
  }

  .preview-window img {
    border-radius: 8px;
  }

  .hero-kicker {
    font-size: 20px;
  }

  .pain-grid,
  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }

  .section-heading h2,
  .download h2 {
    font-size: 34px;
  }

}

@media (max-width: 560px) {
  body {
    font-size: 15px;
  }

  .hero-actions {
    display: grid;
  }

  .btn {
    width: 100%;
  }

  .pain-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

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

  .setup-feature-list {
    grid-template-columns: 1fr;
  }

  .setup-step {
    padding: 18px;
  }

  .setup-viewport {
    height: 336px;
  }

  .setup-stepper {
    gap: 4px;
    padding-inline: 12px;
  }

  .setup-stepper small {
    display: none;
  }

  .setup-skill-list p,
  .setup-complete-list p {
    grid-template-columns: 1fr auto;
    gap: 4px 10px;
  }

  .setup-skill-list em {
    grid-column: 1 / -1;
  }

  .setup-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .setup-actions {
    justify-content: flex-end;
  }

  .section-heading h2,
  .download h2 {
    font-size: 30px;
  }

  .footer-inner {
    display: grid;
  }

}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}