:root {
  --bg: #fff;
  --fg: #151515;
  --fg-mid: #5c5c5c;
  --fg-dim: #969696;
  --line: rgba(21, 21, 21, 0.1);
  --line-strong: rgba(21, 21, 21, 0.16);
  --panel: rgba(255, 255, 255, 0.86);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.08);
  --sans: "Helvetica Neue", -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Segoe UI", sans-serif;
  --wrap: 1160px;
  /* Brand: fluorescent lime + black ink, from the TONEBIRD mark. */
  --accent: #baff00;
  --accent-ink: #0d0d0d;
  --accent-strong: #a6e600;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: auto; }

body {
  min-height: 100vh;
  color: var(--fg);
  font-family: var(--sans);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.grid-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(rgba(21, 21, 21, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 21, 21, 0.03) 1px, transparent 1px),
    radial-gradient(60% 46% at 50% 24%, rgba(255,255,255,.92), rgba(255,255,255,.52) 58%, #fff 100%);
  background-size: 22px 22px, 22px 22px, 100% 100%;
}

.grid-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, #fff, rgba(255,255,255,.16) 18%, rgba(255,255,255,.16) 82%, #fff),
    linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.84));
}

.site-nav {
  position: fixed;
  top: 20px;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 16px;
  pointer-events: none;
}

.site-nav.scrolled {
  top: 20px;
}

.nav-pill {
  pointer-events: auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 18px;
  width: min(100%, 920px);
  min-height: 68px;
  background: rgba(255, 255, 255, 0);
  -webkit-backdrop-filter: blur(0);
  backdrop-filter: blur(0);
  border: none;
  border-radius: 999px;
  padding: 14px 18px 14px 16px;
  box-shadow: none;
  transition:
    background .4s ease,
    -webkit-backdrop-filter .4s ease,
    backdrop-filter .4s ease;
}

.site-nav.scrolled .nav-pill {
  background: rgba(255, 255, 255, 0.55);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
}

.brand {
  grid-column: 1;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand img {
  display: block;
  width: 64px;
  height: 64px;
  object-fit: contain;
}

.nav-center {
  grid-column: 2;
  justify-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  width: 100%;
}

.nav-end {
  grid-column: 3;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 0;
  max-width: 100%;
}

.nav-links a {
  font-size: 16px;
  color: var(--fg-mid);
  padding: 10px 12px;
  border-radius: 999px;
  font-weight: 650;
  white-space: nowrap;
  transition: color .2s ease;
}

.nav-links a:hover {
  color: var(--fg);
}

.lang-switcher {
  position: relative;
  flex-shrink: 0;
}

.lang-toggle {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 13px;
  background: transparent;
  color: var(--fg-mid);
  font: inherit;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
  transition: color .18s ease, background-color .18s ease, border-color .18s ease, transform .18s ease;
}

.lang-toggle-icon {
  width: 20px;
  height: 20px;
  display: block;
}

.lang-toggle:hover,
.lang-toggle:focus-visible,
.lang-toggle[aria-expanded="true"] {
  border-color: var(--line);
  background: rgba(21, 21, 21, .055);
  color: var(--fg);
  transform: translateY(-1px);
}

.lang-toggle:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 3px;
}

.lang-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 20;
  min-width: 168px;
  display: grid;
  gap: 2px;
  padding: 7px;
  border: 1px solid rgba(21, 21, 21, .09);
  border-radius: 16px;
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 18px 44px rgba(21, 21, 21, .14);
  transform-origin: top right;
  animation: langMenuIn .16s cubic-bezier(.22, 1, .36, 1) both;
}

.lang-menu[hidden] { display: none; }

.lang-option {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 9px 11px;
  border-radius: 10px;
  color: var(--fg-mid);
  font-size: 14px;
  font-weight: 620;
  white-space: nowrap;
  transition: color .14s ease, background-color .14s ease;
}

.lang-option:hover,
.lang-option:focus-visible,
.lang-option.is-current {
  background: rgba(21, 21, 21, .055);
  color: var(--fg);
}

.lang-option:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: -2px;
}

.lang-option svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
}

.lang-option.is-current svg { opacity: 1; }

@keyframes langMenuIn {
  from { opacity: 0; transform: translateY(-5px) scale(.98); }
  to { opacity: 1; transform: none; }
}

/* Discord entry — English page only (app.js unhides; /zh keeps it hidden
   because Discord is unreachable in mainland China). Quiet ghost icon so the
   accent Download pill stays the single filled CTA in the nav. */
.nav-discord {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--fg-mid);
  transition: color .2s ease;
}
.nav-discord[hidden] { display: none; }
.nav-discord svg { display: block; width: 22px; height: auto; fill: currentColor; }
.nav-discord:hover,
.nav-discord:focus-visible { color: #5865f2; }

.nav-cta,
.btn-primary,
.link-quiet {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  transition: transform .16s ease, opacity .16s ease, border-color .16s ease;
}

.nav-cta,
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}

.nav-cta:hover,
.btn-primary:hover {
  background: var(--accent-strong);
}

.nav-cta {
  justify-self: end;
  flex-shrink: 0;
  min-width: 0;
  padding: 13px 22px;
  border-radius: 999px;
  font-size: 14px;
  white-space: nowrap;
}

.btn-primary {
  min-height: 46px;
  min-width: 170px;
  padding: 0 24px;
  font-size: 14px;
  box-shadow: 0 14px 28px rgba(0,0,0,.1);
}

.link-quiet {
  min-height: 46px;
  min-width: 150px;
  padding: 0 22px;
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,.78);
  color: var(--fg-mid);
  font-size: 14px;
  font-weight: 650;
}

.btn-primary:hover,
.link-quiet:hover {
  transform: translateY(-1px);
}

.nav-cta:hover,
.nav-cta:focus-visible {
  opacity: .9;
}

.nav-cta:active {
  transform: scale(.96);
}

.hero {
  position: relative;
  overflow: hidden;
  width: min(calc(100vw - 34px), var(--wrap));
  min-height: 100vh;
  margin: 0 auto;
  padding: 100px 0 96px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.icon-field {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero > :not(.icon-field) {
  position: relative;
  z-index: 1;
}

.float-icon {
  position: absolute;
  width: 84px;
  height: 84px;
  object-fit: contain;
  opacity: .16;
  animation: floatDrift 9s ease-in-out infinite;
}

.icon-chat { top: 14%; right: 8%; transform: rotate(5deg); animation-delay: -.8s; }
.icon-mail { top: 38%; left: 4%; transform: rotate(-7deg); animation-delay: -2.4s; }
.icon-command { right: 5%; bottom: 24%; transform: rotate(4deg); animation-delay: -4.1s; }
.icon-cursor { left: 12%; bottom: 9%; transform: rotate(-4deg); animation-delay: -1.7s; }
.icon-check { right: 20%; bottom: 4%; transform: rotate(2deg); animation-delay: -3.2s; }
.icon-fast { top: 10%; left: 18%; transform: rotate(-3deg); animation-delay: -5.3s; }

@keyframes floatDrift {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -12px; }
}

h1 {
  max-width: 1120px;
  font-size: clamp(56px, 8.7vw, 104px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  font-weight: 780;
}

.message-hero .message-hero-copy h1 > span {
  display: block;
  white-space: nowrap;
  width: fit-content;
  /* Brand-lime highlighter behind the lower half of the text. */
  background: linear-gradient(transparent 56%, var(--accent) 56%, var(--accent) 94%, transparent 94%);
  padding: 0 0.1em;
}

html[lang="zh-CN"] .message-hero .message-hero-copy h1 {
  max-width: none;
  white-space: nowrap;
}

html[lang="zh-CN"] .message-hero .message-hero-copy h1 > span {
  display: inline;
  width: auto;
}

@media (max-width: 700px) {
  html[lang="zh-CN"] .message-hero .message-hero-copy h1 {
    white-space: normal;
  }
}

.sub {
  margin-top: 24px;
  max-width: 720px;
  color: var(--fg-mid);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.72;
}

.sub strong { color: var(--fg); font-weight: 760; }

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

.block {
  position: relative;
  overflow: clip;
  padding: 178px 0;
}

.feature-block[id],
.block[id] {
  scroll-margin-top: 112px;
}

.wrap {
  width: min(calc(100vw - 34px), var(--wrap));
  margin: 0 auto;
}

.centered {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.section-head {
  max-width: 820px;
}

.centered .section-head,
.section-head.centered,
.centered h2,
.centered .lead {
  margin-left: auto;
  margin-right: auto;
}

h2 {
  max-width: 800px;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.04em;
  font-weight: 760;
  text-wrap: balance;
}

html[lang="zh-CN"] .privacy-block h2 {
  white-space: nowrap;
}

.section-head p,
.lead {
  margin-top: 22px;
  max-width: 780px;
  color: var(--fg-mid);
  font-size: 17px;
  line-height: 1.78;
}

.section-icon-row {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
  opacity: .82;
}

.section-icon-row img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.section-icon-row img:nth-child(2) {
  width: 70px;
  height: 70px;
}

/* ── Two entry points: independent, staggered stories ──────────────────── */

.seeit-block .section-head {
  margin-inline: auto;
}

.entry-stories {
  margin-top: 92px;
}

.entry-story {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: center;
  gap: 28px;
}

.entry-story + .entry-story {
  margin-top: 132px;
}

.entry-story-draft .entry-copy {
  grid-column: 1 / span 4;
}

.entry-story-draft .entry-video {
  grid-column: 5 / -1;
}

.entry-story-voice .entry-copy {
  grid-column: 9 / -1;
}

.entry-story-voice .entry-video {
  grid-column: 1 / span 8;
  grid-row: 1;
}

.entry-video {
  --video-progress: 0%;
  position: relative;
  overflow: hidden;
  padding: 8px;
  border: 1px solid var(--line-strong);
  border-radius: 28px;
  background: rgba(255,255,255,.78);
  box-shadow: var(--shadow);
}

.entry-video video {
  display: block;
  width: 100%;
  aspect-ratio: 8 / 5;
  overflow: hidden;
  border-radius: 20px;
  object-fit: cover;
}

.fshow-video video {
  display: block;
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.entry-copy {
  position: relative;
  padding: 16px 0;
}

.entry-copy h3 {
  max-width: 340px;
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.entry-copy p {
  margin-top: 18px;
  max-width: 360px;
  color: var(--fg-mid);
  font-size: 16px;
  line-height: 1.68;
}

.entry-steps {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  list-style: none;
}

.entry-steps li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fg-mid);
  font-size: 14px;
}

.entry-foot {
  width: min(100%, 720px);
  margin: 116px auto 0;
  padding-top: 30px;
  border-top: 1px solid var(--line-strong);
  text-align: center;
  color: var(--fg-mid);
  font-size: clamp(17px, 2vw, 22px);
  line-height: 1.5;
}

/* Real footage standing in for a mock inside the feature carousel. Footage is
   16:10, shorter than the mock window, so give it a wider media column to keep
   the slide from going hollow. */
.fshow-video {
  --video-progress: 0%;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  background: rgba(0,0,0,.04);
  box-shadow: var(--shadow);
}

.fshow-progress {
  position: absolute;
  z-index: 2;
  right: 12px;
  bottom: 10px;
  left: 12px;
  height: 3px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(17, 17, 17, .16);
  pointer-events: none;
}

.fshow-progress::after {
  content: "";
  display: block;
  width: var(--video-progress);
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width .12s linear;
}

.demo-window {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: var(--shadow);
  text-align: left;
}

.demo-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 60px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(248,248,248,.86);
}

.traffic { width: 12px; height: 12px; border-radius: 50%; }
.traffic.red { background: #ff5f57; }
.traffic.yellow { background: #febc2e; }
.traffic.green { background: #28c840; }

.demo-titlebar strong {
  margin-left: 8px;
  color: var(--fg-mid);
  font-size: 12px;
  font-weight: 700;
}

.demo-chat {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 260px;
  padding: 34px 28px 18px;
}

.bubble {
  width: fit-content;
  max-width: 78%;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 17px;
  border-bottom-left-radius: 5px;
  background: rgba(0,0,0,.035);
  color: #252525;
  font-size: 14px;
  line-height: 1.55;
}

.demo-composer {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 62px;
  padding: 13px 14px 13px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background: rgba(255,255,255,.96);
}

.demo-composer span {
  flex: 1;
  min-width: 0;
  color: var(--fg-dim);
  font-size: 14px;
  line-height: 1.45;
}

.demo-composer span.filled { color: var(--fg); }

.demo-composer button {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 0;
  background: transparent;
  color: var(--fg-mid);
  cursor: pointer;
}

.demo-popover {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 104px;
  padding: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: rgba(255,255,255,.97);
  box-shadow: 0 20px 52px rgba(0,0,0,.11);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease;
}

.demo-popover.show {
  opacity: 1;
  transform: none;
}

.demo-pop-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--fg-mid);
  font-size: 12px;
}

.demo-pop-head img {
  width: 25px;
  height: 25px;
  object-fit: contain;
}

.demo-pop-head span {
  color: var(--fg);
  font-weight: 760;
}

.demo-pop-head em {
  margin-left: auto;
  color: var(--fg-dim);
  font-style: normal;
}

.demo-card,
.demo-message {
  padding: 13px 14px;
  border-left: 3px solid var(--fg);
  border-radius: 0 10px 10px 0;
  background: rgba(0,0,0,.042);
  color: var(--fg);
  font-size: 14px;
  line-height: 1.6;
}

.demo-card.from-left { animation: cardInLeft .24s ease; }
.demo-card.from-right { animation: cardInRight .24s ease; }
@keyframes cardInLeft { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: none; } }
@keyframes cardInRight { from { opacity: 0; transform: translateX(10px); } to { opacity: 1; transform: none; } }


.demo-loading,
.demo-voice {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  color: var(--fg-mid);
  font-size: 14px;
}

.demo-loading i {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(21,21,21,.12);
  border-top-color: var(--fg);
  border-radius: 50%;
  animation: spin .72s linear infinite;
}

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

.voice-bars {
  display: inline-flex;
  align-items: flex-end;
  gap: 3px;
  height: 22px;
}

.voice-bars i {
  width: 3px;
  border-radius: 999px;
  background: var(--fg);
  animation: voiceBar .9s ease-in-out infinite;
}

.voice-bars i:nth-child(1) { height: 8px; }
.voice-bars i:nth-child(2) { height: 18px; animation-delay: .12s; }
.voice-bars i:nth-child(3) { height: 12px; animation-delay: .24s; }
.voice-bars i:nth-child(4) { height: 16px; animation-delay: .36s; }

@keyframes voiceBar {
  0%, 100% { transform: scaleY(.48); opacity: .55; }
  50% { transform: scaleY(1); opacity: 1; }
}

.keycap {
  display: grid;
  place-items: center;
  min-width: 48px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,.06);
  font-size: 13px;
  font-weight: 800;
}

.relationships-hint {
  width: min(calc(100vw - 34px), 900px);
  margin: 0 auto 18px;
  color: var(--fg-dim);
  font-size: 14px;
  letter-spacing: 0.02em;
  text-align: center;
  text-wrap: balance;
}

.relationship-explorer {
  --relationship-card-x: 50vw;
  --relationship-pointer-x: 50%;
  position: relative;
  width: 100vw;
  min-height: 540px;
  margin: 38px 0 0 calc(50% - 50vw);
}

@media (min-width: 841px) {
  .relationship-explorer {
    display: grid;
    align-content: center;
    align-items: center;
  }

  .people-grid {
    width: 100%;
  }
}

.people-grid {
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 15px 0 22px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

.people-grid::-webkit-scrollbar { display: none; }

@media (hover: hover) and (pointer: fine) {
  .people-grid {
    overflow-x: hidden;
    overscroll-behavior-inline: auto;
  }
}

.people-marquee-track {
  display: flex;
  width: max-content;
  animation: peopleMarquee 34s linear infinite;
}

.people-grid:not(.is-offscreen) .people-marquee-track { will-change: transform; }
.people-grid.is-offscreen .people-marquee-track { animation-play-state: paused; }

.people-marquee-set {
  display: flex;
  flex: 0 0 auto;
  align-items: flex-start;
  gap: clamp(32px, 4vw, 62px);
  padding-right: clamp(32px, 4vw, 62px);
}

.relationship-explorer.has-open-detail .people-marquee-track,
.relationship-explorer.is-locked .people-marquee-track {
  animation-play-state: paused;
}

@keyframes peopleMarquee {
  to { transform: translate3d(-20%, 0, 0); }
}

.person-card {
  flex: 0 0 clamp(142px, 14vw, 190px);
}

.relationship-explorer.has-open-detail .person-card.active .person-summary {
  color: var(--fg);
}

.relationship-explorer.has-open-detail .person-card.active .person-summary::after {
  transform: scaleX(1);
}

.person-card:focus-within {
  outline: none;
}

.person-summary:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 3px;
}

.person-summary {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  width: 100%;
  min-height: 126px;
  padding: 5px 6px 12px;
  border: 0;
  background: transparent;
  cursor: pointer;
  font: inherit;
  color: var(--fg-mid);
  text-align: center;
  appearance: none;
  -webkit-appearance: none;
  transition: color .22s ease, transform .22s ease;
}

.person-summary::after {
  content: "";
  position: absolute;
  right: 15%;
  bottom: 0;
  left: 15%;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .22s ease;
}

.person-summary:hover {
  color: var(--fg);
  transform: translateY(-4px);
}

.person-summary:active {
  transform: scale(.98);
}

.person-portrait {
  width: 82px;
  height: 82px;
  object-fit: contain;
  flex-shrink: 0;
  filter: saturate(.72);
  transition: filter .22s ease, transform .22s ease;
}

.person-summary:hover .person-portrait,
.relationship-explorer.has-open-detail .person-card.active .person-portrait {
  filter: saturate(1);
  transform: scale(1.04);
}

.person-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 0;
}

.person-name {
  max-width: 100%;
  overflow: hidden;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.person-role {
  display: inline-block;
  padding: 0;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.person-role.role-boss,
.person-role.role-peer,
.person-role.role-client,
.person-role.role-partner,
.person-role.role-support,
.person-role.role-investor { color: var(--fg-dim); background: none; }

.relationship-detail {
  position: absolute;
  z-index: 4;
  top: var(--relationship-card-y, 174px);
  left: var(--relationship-card-x);
  width: min(560px, calc(100vw - 34px));
  min-width: 0;
  padding: 20px 22px 22px;
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 18px 46px rgba(21, 21, 21, .12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, 10px);
  transition: opacity .2s ease, transform .24s cubic-bezier(.22, 1, .36, 1), visibility .2s;
}

.relationship-detail::before {
  content: "";
  position: absolute;
  top: -9px;
  left: var(--relationship-pointer-x);
  z-index: 1;
  width: 18px;
  height: 18px;
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
  background: #fff;
  transform: translateX(-50%) rotate(45deg);
}

.relationship-detail.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.relationship-detail.is-above::before {
  top: auto;
  bottom: -9px;
  border: 0;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.relationship-detail-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.relationship-detail-portrait {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  object-fit: contain;
}

.relationship-detail-meta {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.relationship-detail-name {
  font-size: clamp(21px, 2vw, 26px);
  font-weight: 760;
  letter-spacing: -.035em;
}

.relationship-detail-count {
  display: none;
}

.relationship-detail-body {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  gap: 22px;
  padding-top: 16px;
}

.relationship-detail .person-items {
  margin-top: 0;
}

.person-tone {
  padding: 0;
}

.person-tone-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  color: var(--fg-dim);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: lowercase;
}

.person-tone ul {
  list-style: none;
  display: grid;
  gap: 6px;
}

.person-tone li {
  color: var(--fg-mid);
  font-size: 13px;
  line-height: 1.45;
}

.person-items {
  margin-top: 12px;
}

.person-items-head {
  margin-bottom: 6px;
  color: var(--fg-dim);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: lowercase;
}

.person-items-list {
  list-style: none;
  display: grid;
  gap: 8px;
}

.person-items-list li {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
}

.person-items-list li:last-child { border-bottom: 0; }

.person-item-text {
  flex: 1;
  min-width: 0;
  color: var(--fg);
  font-size: 13px;
  line-height: 1.4;
}

.person-item-status {
  flex-shrink: 0;
  padding: 0;
  font-size: 11px;
  font-weight: 650;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.status-needs-reply { color: #a83e12; }
.status-waiting { color: #315aa5; }
.status-follow-up { color: #7c5e08; }
.status-no-reply { color: #747780; }
.status-resolved { color: #257046; }

.person-items-empty {
  color: var(--fg-dim);
  font-size: 13px;
}

.channels-block {
  overflow: clip;
  padding: 120px 0 80px;
}

.channel-orbit {
  --orbit-x: clamp(292px, 38vw, 520px);
  --orbit-x-mid: clamp(250px, 33vw, 400px);
  --orbit-y: clamp(190px, 16vw, 220px);
  --orbit-y-mid: clamp(145px, 12vw, 165px);
  position: relative;
  height: clamp(480px, 44vw, 560px);
  margin-top: 54px;
}

.channel-orbit-path {
  position: absolute;
  inset: 13% 2%;
  border: 1px dashed rgba(21, 21, 21, .14);
  border-radius: 50%;
}

.channel-orbit-path::after {
  content: "";
  position: absolute;
  inset: 13%;
  border: 1px solid rgba(186, 255, 0, .35);
  border-radius: 50%;
}

.channel-orbit-core {
  --channel-bubble-surface: rgba(255, 255, 255, .96);
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 3;
  width: min(480px, calc(100% - 390px));
  padding: 24px;
  border: 1px solid var(--line-strong);
  border-radius: 32px 32px 32px 14px;
  background: var(--channel-bubble-surface);
  box-shadow: 0 28px 74px rgba(21, 21, 21, .12);
  transform: translate(-50%, -50%);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.channel-orbit-core::after {
  content: "";
  position: absolute;
  left: 56px;
  bottom: -15px;
  width: 30px;
  height: 30px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  border-bottom-right-radius: 6px;
  background: var(--channel-bubble-surface);
  box-shadow: 10px 10px 24px rgba(21, 21, 21, .05);
  transform: rotate(45deg);
}

.channel-orbit-core-head {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.channel-orbit-logo {
  width: 70px;
  height: 70px;
  object-fit: contain;
}

.channel-orbit-core-head strong,
.channel-orbit-core-head span {
  display: block;
}

.channel-orbit-core-head strong {
  font-size: clamp(22px, 2.2vw, 29px);
  line-height: 1.08;
  letter-spacing: -.04em;
}

.channel-orbit-core-head span {
  margin-top: 7px;
  color: var(--fg-mid);
  font-size: 13px;
  line-height: 1.5;
}

.channel-orbit-outcomes {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
  margin-top: 20px;
}

.channel-orbit-outcomes > span {
  min-width: 0;
  padding: 9px 5px;
  display: grid;
  justify-items: center;
  gap: 4px;
  border-radius: 12px;
  background: #f4f4f0;
  text-align: center;
}

.channel-orbit-outcomes img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.channel-orbit-outcomes strong {
  max-width: 100%;
  overflow: hidden;
  font-size: 11px;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.channel-orbit-anywhere {
  margin-top: 16px;
  color: var(--fg-mid);
  font-size: 12px;
  font-weight: 680;
  text-align: center;
}

.channel-orbit-rail {
  position: absolute;
  inset: 0;
}

.channel-orbit-set {
  display: contents;
}

.channel-orbit-set[aria-hidden="true"] {
  display: none;
}

.channel-orbit-item {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1;
  width: 96px;
  min-height: 82px;
  padding: 10px 7px;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 7px;
  border: 0;
  border-radius: 20px;
  background: transparent;
  box-shadow: none;
  color: var(--fg-mid);
  font: inherit;
  text-align: center;
  cursor: pointer;
  opacity: .82;
  animation: channelOrbit 32s linear var(--orbit-delay) infinite;
}

.channel-orbit:not(.is-offscreen) .channel-orbit-item { will-change: transform; }

.channel-orbit-item.is-primary {
  z-index: 2;
  width: 110px;
  min-height: 96px;
  color: var(--fg);
  opacity: 1;
}

.channel-orbit-item img {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  object-fit: contain;
  box-shadow: 0 2px 5px rgba(21, 21, 21, .14);
  transition: transform .2s ease;
}

.channel-orbit-item.is-primary img {
  width: 50px;
  height: 50px;
}

.channel-orbit-name {
  max-width: 100%;
  font-size: 11px;
  font-weight: 760;
  line-height: 1.15;
  letter-spacing: -.015em;
}

.channel-orbit-item:hover,
.channel-orbit-item:focus-visible,
.channel-orbit-item.active {
  color: var(--fg);
  opacity: 1;
}

.channel-orbit-item:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.channel-orbit-item:hover img,
.channel-orbit-item:focus-visible img,
.channel-orbit-item.active img {
  transform: scale(1.07);
}

.channel-orbit.is-inspecting .channel-orbit-item,
.channel-orbit.is-offscreen .channel-orbit-item {
  animation-play-state: paused;
}

@keyframes channelOrbit {
  0%, 100% { transform: translate(-50%, -50%) translate(0, calc(0px - var(--orbit-y))); }
  12.5% { transform: translate(-50%, -50%) translate(var(--orbit-x-mid), calc(0px - var(--orbit-y-mid))); }
  25% { transform: translate(-50%, -50%) translate(var(--orbit-x), 0); }
  37.5% { transform: translate(-50%, -50%) translate(var(--orbit-x-mid), var(--orbit-y-mid)); }
  50% { transform: translate(-50%, -50%) translate(0, var(--orbit-y)); }
  62.5% { transform: translate(-50%, -50%) translate(calc(0px - var(--orbit-x-mid)), var(--orbit-y-mid)); }
  75% { transform: translate(-50%, -50%) translate(calc(0px - var(--orbit-x)), 0); }
  87.5% { transform: translate(-50%, -50%) translate(calc(0px - var(--orbit-x-mid)), calc(0px - var(--orbit-y-mid))); }
}

.social-proof-block {
  overflow: clip;
  padding: 112px 0 150px;
}

.social-proof-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 52px;
}

.social-proof-card {
  position: relative;
  min-width: 0;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  border-radius: 28px;
  background: #111;
  isolation: isolate;
  outline: 1px solid rgba(21, 21, 21, .12);
  outline-offset: -1px;
  box-shadow: 0 18px 45px rgba(21, 21, 21, .1);
  transition: transform .35s cubic-bezier(.2, .8, .2, 1), box-shadow .35s ease;
}

.social-proof-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(0, 0, 0, .3), transparent 25%, transparent 55%, rgba(0, 0, 0, .84));
}

.social-proof-card:hover,
.social-proof-card:focus-visible {
  z-index: 2;
  transform: translateY(-8px);
  box-shadow: 0 26px 62px rgba(21, 21, 21, .18);
}

.social-proof-card:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.social-proof-video,
.social-proof-video video {
  width: 100%;
  height: 100%;
}

.social-proof-video video {
  display: block;
  object-fit: cover;
  pointer-events: none;
}

.social-proof-platform {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 11px;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 999px;
  background: rgba(12, 12, 12, .58);
  color: #fff;
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  backdrop-filter: blur(12px) saturate(150%);
  font-size: 11px;
  font-weight: 760;
  line-height: 1;
  letter-spacing: .03em;
}

.social-proof-platform svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.social-proof-caption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  z-index: 2;
  display: grid;
  gap: 7px;
  color: #fff;
}

.social-proof-caption strong {
  max-width: 19ch;
  font-size: clamp(18px, 1.65vw, 24px);
  line-height: 1.06;
  letter-spacing: -.035em;
  text-wrap: balance;
}

.social-proof-caption small {
  color: rgba(255, 255, 255, .72);
  font-size: 11px;
  font-weight: 680;
}

.social-proof-card[data-platform="instagram"] .social-proof-platform {
  background: linear-gradient(135deg, rgba(131, 58, 180, .9), rgba(253, 29, 29, .88) 58%, rgba(252, 176, 69, .88));
}

.social-proof-card[data-platform="tiktok"] .social-proof-platform {
  box-shadow: -2px 2px 0 rgba(37, 244, 238, .72), 2px -2px 0 rgba(254, 44, 85, .72);
}

.privacy-stage {
  margin: 52px auto 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  text-align: center;
}

.privacy-lock-visual {
  width: clamp(225px, 22vw, 280px);
  height: clamp(156px, 15.2vw, 195px);
  display: block;
  overflow: hidden;
  position: relative;
  isolation: isolate;
}

.privacy-lock-visual img {
  display: block;
  width: 100%;
  height: auto;
  -webkit-mask-image: radial-gradient(ellipse 48% 45% at 51% 49%, #000 72%, transparent 100%);
  mask-image: radial-gradient(ellipse 48% 45% at 51% 49%, #000 72%, transparent 100%);
  mix-blend-mode: multiply;
  transform: translateY(-10%);
}

.privacy-read-more {
  min-width: 0;
  padding-inline: 26px;
  box-shadow: none;
}

.download-block {
  width: 100%;
  min-height: 68vh;
  margin: 182px auto 0;
  padding: 168px 16px 152px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.download-inner {
  width: min(100%, 1040px);
  margin: 0 auto;
  text-align: center;
}

.download-copy h2 {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  font-size: clamp(44px, 5.4vw, 68px);
  line-height: 1.02;
  text-wrap: balance;
}

.type-title {
  position: relative;
}

.type-title-measure,
.type-title-live,
.type-title-row,
.type-title-ghost,
.type-title-content {
  display: block;
}

.type-title.is-type-ready .type-title-measure {
  visibility: hidden;
}

.type-title-live {
  display: none;
}

.type-title.is-type-ready .type-title-live {
  position: absolute;
  inset: 0;
  display: block;
}

.type-title-row {
  position: relative;
  width: max-content;
  max-width: 100%;
}

.message-hero-copy .type-title-row,
.centered .type-title-row,
.download-inner .type-title-row {
  margin-inline: auto;
}

.type-title-ghost {
  visibility: hidden;
  white-space: pre;
}

.type-title-content {
  position: absolute;
  inset: 0;
  text-align: left;
  white-space: pre;
}

.type-title-cursor {
  display: none;
  width: .055em;
  height: .82em;
  margin-left: .035em;
  border-radius: 1px;
  background: currentColor;
  vertical-align: -.03em;
  animation: titleCursorBlink .72s steps(1, end) infinite;
}

.type-title-row.is-active .type-title-cursor {
  display: inline-block;
}

@keyframes titleCursorBlink {
  0%, 46% { opacity: 1; }
  47%, 100% { opacity: 0; }
}

.download-copy .download-old-way {
  max-width: 660px;
  margin: 0 auto;
  color: var(--fg-mid);
  font-size: clamp(17px, 1.65vw, 20px);
  line-height: 1.55;
  text-wrap: balance;
}

.download-copy .download-turn {
  margin: 28px 0 24px;
  color: #8fc700;
  font-size: 18px;
  font-weight: 760;
  letter-spacing: -.02em;
}

.download-actions {
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 18px;
}

.download-copy .download-requirements {
  margin: 22px 0 0;
  color: var(--fg-dim);
  font-size: 14px;
  line-height: 1.55;
}

.hero-win-note {
  margin-top: 18px;
  font-size: 14px;
}

.hero-win-note a {
  color: var(--fg-dim);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.hero-win-note a:hover {
  color: var(--fg);
  border-color: var(--fg);
}

/* Windows stays a secondary action beside the primary macOS download. */
.download-actions .link-quiet {
  gap: 9px;
}

.reveal-section {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity .52s cubic-bezier(.22, 1, .36, 1),
    transform .52s cubic-bezier(.22, 1, .36, 1);
}

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

@media (max-width: 980px) {
  .nav-links a {
    font-size: 15px;
    padding: 9px 10px;
  }

  .lang-toggle {
    width: 38px;
    height: 38px;
  }

  .nav-cta {
    padding: 12px 18px;
    font-size: 13px;
  }
}

@media (max-width: 1360px) {
  .channel-orbit {
    height: auto;
    margin: 52px calc(50% - 50vw) 0;
    padding: 0 0 12px;
  }

  .channel-orbit-path { display: none; }

  .channel-orbit-core {
    position: relative;
    top: auto;
    left: auto;
    width: min(calc(100vw - 34px), 560px);
    margin: 0 auto;
    transform: none;
  }

  .channel-orbit-rail {
    position: relative;
    inset: auto;
    width: max-content;
    margin-top: 42px;
    display: flex;
    animation: channelOrbitMarquee 24s linear infinite;
  }

  .channel-orbit-set,
  .channel-orbit-set[aria-hidden="true"] {
    flex: 0 0 auto;
    padding-right: 12px;
    display: grid;
    grid-template-rows: repeat(2, 78px);
    grid-auto-flow: column;
    grid-auto-columns: 116px;
    gap: 10px;
  }

  .channel-orbit-set[aria-hidden="true"] { pointer-events: none; }

  .channel-orbit-item,
  .channel-orbit-item.is-primary {
    position: relative;
    top: auto;
    left: auto;
    width: 116px;
    min-height: 78px;
    padding: 8px 6px;
    grid-template-columns: 36px minmax(0, 1fr);
    justify-items: start;
    align-content: center;
    border-radius: 17px;
    text-align: left;
    opacity: 1;
    animation: none;
    transform: none;
    will-change: auto;
  }

  .channel-orbit-item img,
  .channel-orbit-item.is-primary img {
    width: 36px;
    height: 36px;
    border-radius: 9px;
  }

  .channel-orbit-name { white-space: normal; }

  .channel-orbit.is-inspecting .channel-orbit-rail,
  .channel-orbit.is-offscreen .channel-orbit-rail {
    animation-play-state: paused;
  }

  @keyframes channelOrbitMarquee {
    to { transform: translate3d(-50%, 0, 0); }
  }
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
  }

  .nav-pill {
    column-gap: 8px;
    min-height: 60px;
    padding: 12px 14px;
  }

  .nav-end {
    gap: 2px;
  }

  .brand img {
    width: 56px;
    height: 56px;
  }

  .lang-toggle {
    width: 40px;
    height: 40px;
  }

  .nav-lang-switcher .lang-toggle-icon { width: 18px; height: 18px; }

  .nav-cta {
    padding: 13px 20px;
    font-size: 13px;
  }

  .hero {
    min-height: 100vh;
    padding: 88px 0 72px;
  }

  h1 {
    font-size: clamp(40px, 12vw, 70px);
    line-height: 1.1;
    letter-spacing: -0.025em;
  }

  .sub {
    font-size: 16px;
    line-height: 1.68;
  }

  .float-icon {
    width: 54px;
    height: 54px;
    opacity: .12;
  }

  .cta-row {
    display: grid;
    width: min(100%, 340px);
  }

  .btn-primary,
  .link-quiet {
    width: 100%;
  }

  .block {
    padding: 126px 0;
  }

  .channels-block {
    padding: 92px 0 70px;
  }

  .social-proof-block { padding: 118px 0 126px; }

  .social-proof-rail {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: min(78vw, 300px);
    justify-content: start;
    gap: 14px;
    overflow-x: auto;
    padding: 4px 4px 24px;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    overscroll-behavior-inline: contain;
  }

  .social-proof-rail::-webkit-scrollbar { display: none; }
  .social-proof-card { scroll-snap-align: center; border-radius: 24px; }

  .section-icon-row img {
    width: 48px;
    height: 48px;
  }

  .section-icon-row img:nth-child(2) {
    width: 56px;
    height: 56px;
  }

  .demo-window {
    min-height: 500px;
  }

  .entry-video video,
  .fshow-video {
    border-radius: 16px;
  }

  .demo-chat {
    min-height: 240px;
    padding: 24px 16px 12px;
  }

  .bubble {
    max-width: 90%;
  }

  .demo-popover {
    left: 12px;
    right: 12px;
    bottom: 86px;
  }

  .demo-composer {
    left: 12px;
    right: 12px;
    bottom: 12px;
  }

  .relationship-explorer {
    min-height: 680px;
  }

  .people-grid {
    margin: 0;
    padding: 15px 0 22px;
  }

  .people-grid::-webkit-scrollbar {
    display: none;
  }

  .person-card {
    flex-basis: 116px;
  }

  .person-summary {
    min-height: 120px;
  }

  .person-meta {
    align-items: center;
  }

  .relationship-detail {
    min-height: 0;
  }

  .relationship-detail-body {
    grid-template-columns: 1fr;
  }


  .download-block {
    margin-top: 112px;
    padding: 128px 16px 112px;
  }
}

@media (max-width: 560px) {
  .type-title.is-type-ready .type-title-measure { visibility: visible; }
  .type-title.is-type-ready .type-title-live { display: none; }
  .download-copy .download-turn { margin: 24px 0 20px; }
  .download-copy h2 { font-size: clamp(39px, 11.5vw, 50px); }
  .download-actions { margin-top: 32px; }
  .channels-block { padding: 82px 0 64px; }
  .social-proof-block { padding-top: 138px; }

  html[lang="zh-CN"] .privacy-block h2 {
    font-size: clamp(24px, 7.2vw, 29px);
  }

  .privacy-stage { margin-top: 38px; gap: 24px; }

  .channel-orbit-core {
    padding: 20px 18px 18px;
    border-radius: 24px 24px 24px 12px;
  }

  .channel-orbit-core::after {
    left: 42px;
    bottom: -13px;
    width: 26px;
    height: 26px;
    border-bottom-right-radius: 5px;
  }

  .channel-orbit-core-head {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 14px;
  }

  .channel-orbit-logo {
    width: 58px;
    height: 58px;
  }

  .channel-orbit-core-head strong {
    font-size: clamp(22px, 7vw, 28px);
  }

  .channel-orbit-outcomes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .channel-orbit-outcomes > span {
    grid-template-columns: 26px minmax(0, 1fr);
    justify-items: start;
    align-items: center;
    text-align: left;
  }

  .channel-orbit-outcomes img {
    width: 26px;
    height: 26px;
  }

  .relationship-explorer {
    min-height: 720px;
  }

  .relationship-detail {
    padding: 22px 18px 20px;
  }

  .relationship-detail-header {
    gap: 12px;
  }

  .relationship-detail-portrait {
    width: 62px;
    height: 62px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .fshow-progress {
    display: none;
  }

  .site-nav,
  .nav-pill,
  .brand img,
  .nav-links a,
  .lang-toggle,
  .lang-option,
  .nav-cta {
    transition: none !important;
  }

  .lang-menu { animation: none !important; }

  .reveal-section {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .type-title.is-type-ready .type-title-measure { visibility: visible; }
  .type-title.is-type-ready .type-title-live { display: none; }
  .type-title-cursor { animation: none !important; }

  .person-summary,
  .relationship-detail,
  .people-marquee-track,
  .feature-story-card,
  .feature-story-dot {
    transition: none !important;
    animation: none !important;
  }

  .people-grid {
    overflow-x: auto;
    scrollbar-width: none;
  }

  .channel-orbit-item,
  .channel-orbit-rail {
    transition: none !important;
    animation-play-state: paused !important;
  }

  .social-proof-card { transition: none !important; }
  .social-proof-card:hover { transform: none; }

}

@media (prefers-reduced-motion: reduce) and (max-width: 1360px) {
  .channel-orbit-rail {
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    animation: none !important;
    transform: none !important;
  }

  .channel-orbit-rail::-webkit-scrollbar { display: none; }
}

/* ---- site footer (legal + entities) ---------------------------------- */
.site-foot {
  position: relative;
  z-index: 1;
  overflow: hidden;
  padding: 72px 16px 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), #f7f7f4 42%, #f0f0ec 100%);
}

.foot-atmosphere {
  position: relative;
  width: min(100%, 1320px);
  height: clamp(280px, 30vw, 390px);
  margin: 0 auto;
  pointer-events: none;
}

.foot-atmosphere::before {
  content: "TONEBIRD";
  position: absolute;
  left: 50%;
  bottom: 24px;
  color: #8fc700;
  font-size: clamp(108px, 17vw, 236px);
  font-weight: 820;
  letter-spacing: -.085em;
  line-height: .75;
  transform: translateX(-51%);
  white-space: nowrap;
}

.foot-float {
  --float-rotation: 0deg;
  --float-rise: -390px;
  --float-y-a: -92px;
  --float-y-b: -244px;
  --float-sway-a: 0px;
  --float-sway-b: 0px;
  --float-drift: 0px;
  position: absolute;
  bottom: -62px;
  z-index: 1;
  opacity: 0;
  animation: footRise var(--float-time, 18s) linear var(--float-delay, 0s) infinite;
}

.site-foot:not(.is-suspended) .foot-float { will-change: transform, opacity; }

.site-foot.is-suspended .foot-float {
  animation-play-state: paused;
}

.foot-avatar img { display: block; width: 100%; height: 100%; object-fit: cover; }

.foot-avatar {
  overflow: hidden;
  width: clamp(54px, 5vw, 72px);
  aspect-ratio: 1;
  border: 4px solid #fff;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 14px 34px rgba(21, 21, 21, .14);
}

.foot-avatar-one { left: calc(1.5% + min(9vw, 100px)); --float-rotation: -7deg; --float-y-a: -80px; --float-y-b: -258px; --float-sway-a: -6px; --float-sway-b: 8px; --float-drift: 2px; --float-time: 12.8s; --float-delay: -.7s; }
.foot-avatar-two { left: calc(55% + min(9vw, 100px)); --float-rotation: 6deg; --float-y-a: -116px; --float-y-b: -226px; --float-sway-a: 7px; --float-sway-b: -6px; --float-drift: 3px; --float-time: 13.4s; --float-delay: -.1s; }
.foot-avatar-three { right: calc(.5% + min(9vw, 100px)); --float-rotation: 8deg; --float-y-a: -98px; --float-y-b: -268px; --float-sway-a: -8px; --float-sway-b: 5px; --float-drift: -3px; --float-time: 12.2s; --float-delay: -7.3s; }

.foot-emoji {
  font-size: clamp(27px, 3vw, 46px);
  filter: drop-shadow(0 10px 10px rgba(21, 21, 21, .1));
}

.foot-fire { left: calc(1.5% + min(9vw, 100px)); --float-rotation: -11deg; --float-y-a: -106px; --float-y-b: -224px; --float-sway-a: 9px; --float-sway-b: -6px; --float-drift: 4px; --float-time: 12.8s; --float-delay: -9.2s; }
.foot-calendar { left: calc(25% + min(9vw, 100px)); --float-rotation: 9deg; --float-y-a: -74px; --float-y-b: -264px; --float-sway-a: -7px; --float-sway-b: 8px; --float-drift: -3px; --float-time: 11.6s; --float-delay: -5.1s; }
.foot-smile { right: calc(.5% + min(9vw, 100px)); --float-rotation: 10deg; --float-y-a: -120px; --float-y-b: -232px; --float-sway-a: 6px; --float-sway-b: -8px; --float-drift: 2px; --float-time: 12.2s; --float-delay: -11.4s; }
.foot-blank { left: calc(25% + min(9vw, 100px)); --float-rotation: -8deg; --float-y-a: -102px; --float-y-b: -216px; --float-sway-a: 5px; --float-sway-b: -9px; --float-drift: 2px; --float-time: 11.6s; --float-delay: -8.9s; }
.foot-shock { left: calc(55% + min(9vw, 100px)); --float-rotation: 8deg; --float-y-a: -82px; --float-y-b: -272px; --float-sway-a: -9px; --float-sway-b: 5px; --float-drift: -2px; --float-time: 13.4s; --float-delay: -4.5s; }

.foot-bubble {
  width: clamp(124px, 18vw, 240px);
  padding: 13px 17px;
  border: 1px solid rgba(21, 21, 21, .09);
  border-radius: 18px;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 16px 38px rgba(21, 21, 21, .1);
  color: var(--fg);
  font-size: clamp(12px, 1.15vw, 15px);
  font-weight: 720;
  letter-spacing: -.018em;
  line-height: 1.35;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.foot-bubble::after { content: attr(data-en); }
html[lang="zh-CN"] .foot-bubble::after { content: attr(data-zh); }
.foot-bubble-one { left: 25%; --float-rotation: -3deg; --float-y-a: -112px; --float-y-b: -222px; --float-sway-a: 8px; --float-sway-b: -10px; --float-drift: -4px; --float-time: 11.6s; --float-delay: -1.2s; }
.foot-bubble-two { left: 55%; --float-rotation: 4deg; --float-y-a: -76px; --float-y-b: -266px; --float-sway-a: -11px; --float-sway-b: 7px; --float-drift: 4px; --float-time: 13.4s; --float-delay: -9s; }
.foot-bubble-three { left: 1.5%; --float-rotation: 2deg; --float-y-a: -100px; --float-y-b: -232px; --float-sway-a: -9px; --float-sway-b: 6px; --float-drift: -4px; --float-time: 12.8s; --float-delay: -4.9s; }
.foot-bubble-four { right: .5%; --float-rotation: -4deg; --float-y-a: -70px; --float-y-b: -276px; --float-sway-a: 10px; --float-sway-b: -7px; --float-drift: 3px; --float-time: 12.2s; --float-delay: -3.3s; }

@keyframes footRise {
  0% {
    opacity: 0;
    transform: translate3d(0, 52px, 0) rotate(var(--float-rotation)) scale(.88);
  }
  12% { opacity: 1; }
  30% {
    transform: translate3d(var(--float-sway-a), var(--float-y-a), 0) rotate(calc(var(--float-rotation) + 2deg)) scale(.94);
  }
  64% {
    transform: translate3d(var(--float-sway-b), var(--float-y-b), 0) rotate(calc(var(--float-rotation) - 2deg)) scale(1);
  }
  72% { opacity: 1; }
  100% {
    opacity: 0;
    transform: translate3d(var(--float-drift), var(--float-rise), 0) rotate(calc(var(--float-rotation) + 7deg)) scale(1.04);
  }
}

.foot-inner {
  position: relative;
  z-index: 2;
  width: min(100%, var(--wrap));
  margin: -48px auto 0;
  padding: 48px 52px 42px;
  display: flex;
  flex-wrap: wrap;
  gap: 40px 80px;
  justify-content: space-between;
  align-items: flex-start;
  border: 1px solid rgba(21, 21, 21, .08);
  border-radius: 44px 44px 24px 24px;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 28px 72px rgba(21, 21, 21, .09);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}

.foot-brand { width: min(100%, 340px); }
.foot-brand-row {
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
}
.foot-brand img { display: block; opacity: 1; }
.foot-tagline { color: var(--fg-mid); font-size: 14px; font-weight: 650; line-height: 1.6; }
.foot-version { display: block; font-size: 90%; font-weight: 520; }
.foot-entities { margin-top: 8px; color: var(--fg-dim); font-size: 12.5px; line-height: 1.6; }

.foot-discord[hidden] { display: none; }

.foot-socials {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.foot-social {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255, 255, 255, .72);
  color: var(--fg-mid);
  transition: color .16s ease, border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}

.foot-social svg {
  display: block;
  width: 17px;
  height: 17px;
  fill: currentColor;
}

.foot-social-discord {
  --social-color: #fff;
  --social-border: #5865f2;
  --social-hover-bg: #5865f2;
  --social-shadow: 0 8px 20px rgba(88, 101, 242, .25);
}

.foot-social-instagram {
  --social-color: #fff;
  --social-border: #d62976;
  --social-hover-bg: linear-gradient(135deg, #f9ce34 0%, #ee2a7b 48%, #6228d7 100%);
  --social-shadow: 0 8px 20px rgba(214, 41, 118, .25);
}

.foot-social-tiktok {
  --social-color: #fff;
  --social-border: #111;
  --social-hover-bg: #111;
  --social-shadow: -3px 3px 0 rgba(37, 244, 238, .45), 3px -3px 0 rgba(254, 44, 85, .45);
}

.foot-social-youtube {
  --social-color: #fff;
  --social-border: #ff0000;
  --social-hover-bg: #ff0000;
  --social-shadow: 0 8px 20px rgba(255, 0, 0, .24);
}

.foot-social-x {
  --social-color: #fff;
  --social-border: #111;
  --social-hover-bg: #111;
  --social-shadow: 0 8px 20px rgba(17, 17, 17, .22);
}

.foot-social:hover,
.foot-social:focus-visible {
  color: var(--social-color);
  border-color: var(--social-border);
  background: var(--social-hover-bg);
  box-shadow: var(--social-shadow);
  transform: translateY(-1px);
}

.foot-social:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 3px;
}

.foot-legal { display: flex; flex-wrap: wrap; gap: 40px 64px; }
.foot-col { display: flex; flex-direction: column; gap: 10px; }
.foot-col h4 {
  color: var(--fg-dim);
  font-size: 12px;
  font-weight: 720;
  letter-spacing: .1em;
  text-transform: lowercase;
  margin-bottom: 2px;
}
.foot-col a { color: var(--fg-mid); font-size: 14px; font-weight: 620; transition: color .16s ease; }
.foot-col a:hover { color: var(--fg); }

.footer-lang-switcher .lang-menu {
  top: auto;
  right: auto;
  bottom: calc(100% + 10px);
  left: 0;
  transform-origin: bottom left;
}

.foot-note {
  width: min(calc(100vw - 34px), var(--wrap));
  margin: 32px auto 0;
  color: var(--fg-dim);
  font-size: 12.5px;
  line-height: 1.6;
}

@media (max-width: 620px) {
  .site-foot { padding: 46px 12px 12px; }
  .foot-atmosphere { height: 280px; }
  .foot-atmosphere::before { bottom: 34px; font-size: 100px; }
  .foot-float { --float-rise: -290px; --float-y-a: -66px; --float-y-b: -180px; bottom: -48px; }
  .foot-bubble { width: min(145px, calc(50vw - 22px)); padding: 10px 12px; font-size: 11px; }
  .foot-bubble-one { left: 1%; right: auto; --float-time: 12.4s; --float-delay: -1.5s; }
  .foot-bubble-two { left: auto; right: 1%; --float-time: 13.6s; --float-delay: -8.5s; }
  .foot-bubble-three,
  .foot-bubble-four,
  .foot-avatar-three,
  .foot-calendar,
  .foot-smile,
  .foot-blank { display: none; }
  .foot-avatar-one { left: 18%; right: auto; --float-time: 12.4s; --float-delay: -9.8s; }
  .foot-avatar-two { left: auto; right: 17%; --float-time: 13.6s; --float-delay: -13s; }
  .foot-fire { left: 18%; right: auto; --float-time: 12.4s; --float-delay: -5.7s; }
  .foot-shock { left: auto; right: 18%; --float-time: 13.6s; --float-delay: -3.9s; }
  .foot-inner { margin-top: -28px; padding: 34px 26px 30px; gap: 32px; border-radius: 30px 30px 18px 18px; }
  .foot-legal { width: 100%; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  .foot-float {
    opacity: 1;
    animation: none !important;
    transform: translate3d(0, var(--static-y, -180px), 0) rotate(var(--float-rotation));
  }
  .foot-fire { --static-y: -330px; }
  .foot-calendar { --static-y: -225px; }
  .foot-smile { --static-y: -345px; }
  .foot-blank { --static-y: -115px; }
  .foot-shock { --static-y: -205px; }
  .foot-avatar-one { --static-y: -205px; }
  .foot-avatar-two { --static-y: -95px; }
  .foot-avatar-three { --static-y: -235px; }
  .foot-bubble-one { --static-y: -340px; }
  .foot-bubble-two { --static-y: -335px; }
  .foot-bubble-three { --static-y: -105px; }
  .foot-bubble-four { --static-y: -120px; }
}

@media (prefers-reduced-motion: reduce) and (max-width: 620px) {
  .foot-bubble-one,
  .foot-bubble-two { --static-y: -335px; }
  .foot-fire,
  .foot-shock { --static-y: -205px; }
  .foot-avatar-one,
  .foot-avatar-two { --static-y: -90px; }
}

@media (prefers-reduced-transparency: reduce) {
  .foot-bubble,
  .foot-inner {
    background: #fff;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

/* ── Feature story: readable outcomes + one shared product stage ───────── */
.feature-block {
  overflow: visible;
}

.feature-overview {
  overflow: clip;
}

.feature-block > .relationships-block {
  z-index: 2;
  overflow: visible;
  padding-bottom: 0;
}

.feature-story {
  --feature-progress: 0;
  --feature-card-width: min(1120px, 84vw);
  --feature-card-gap: clamp(22px, 3vw, 46px);
  --feature-side-space: max(24px, calc((100vw - var(--feature-card-width)) / 2));
  position: relative;
  width: 100vw;
  margin: 58px 0 0 calc(50% - 50vw);
}

.feature-story-runway {
  height: 100%;
}

.feature-story-pin {
  position: sticky;
  top: 88px;
  height: min(720px, calc(100svh - 112px));
  min-height: 610px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 14px;
  overflow: hidden;
  padding: 14px 0 18px;
}

.feature-story-progress {
  width: min(1120px, calc(100vw - 48px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto minmax(80px, 190px) auto;
  justify-content: end;
  align-items: center;
  gap: 10px;
  color: var(--fg-dim);
  font: 650 11px/1 ui-monospace, "SF Mono", monospace;
}

.feature-story-progress-line {
  height: 2px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--line-strong);
}

.feature-story-progress-line i {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transform: scaleX(var(--feature-progress));
  transform-origin: left center;
}

.feature-story-viewport {
  min-height: 0;
  display: flex;
  align-items: center;
  overflow: hidden;
  perspective: 1600px;
  perspective-origin: 50% 50%;
}

.feature-story-track {
  width: max-content;
  display: flex;
  align-items: center;
  gap: var(--feature-card-gap);
  padding: 0 var(--feature-side-space);
  will-change: transform;
}

.feature-story.is-offscreen .feature-story-track { will-change: auto; }

.feature-story-card {
  --feature-card-scale: .86;
  --feature-card-y: 42px;
  --feature-card-z: -110px;
  --feature-card-rotate: -8deg;
  --feature-card-opacity: .22;
  --feature-content-opacity: .45;
  --feature-copy-x: 36px;
  --feature-demo-x: 72px;
  flex: 0 0 var(--feature-card-width);
  min-width: 0;
  min-height: min(600px, calc(100svh - 188px));
  display: grid;
  grid-template-columns: minmax(220px, .7fr) minmax(0, 1.3fr);
  align-items: center;
  gap: clamp(24px, 4vw, 58px);
  padding: clamp(22px, 3vw, 40px);
  border: 1px solid var(--line-strong);
  border-radius: 30px;
  background: rgba(255, 255, 255, .96);
  box-shadow: none;
  opacity: var(--feature-card-opacity);
  transform: translate3d(0, var(--feature-card-y), var(--feature-card-z)) rotateY(var(--feature-card-rotate)) scale(var(--feature-card-scale));
  transform-origin: center center;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  transition: border-color .2s ease;
}

.feature-story-card.active {
  border-color: rgba(116, 159, 0, .42);
}

.feature-story-card.active .feature-story-card-copy h3 {
  animation: featureCopySettle .46s cubic-bezier(.22, 1, .36, 1) both;
}

.feature-story-card.active .feature-story-card-copy > p {
  animation: featureCopySettle .5s .06s cubic-bezier(.22, 1, .36, 1) both;
}

.feature-story-card.active .feature-story-demo {
  animation: featureDemoSettle .58s .08s cubic-bezier(.22, 1, .36, 1) both;
}

.feature-story-card.active .feature-story-detail {
  animation: featureCopySettle .5s .14s cubic-bezier(.22, 1, .36, 1) both;
}

@keyframes featureCopySettle {
  from { opacity: .25; transform: translate3d(0, 26px, 0); }
  72% { opacity: 1; transform: translate3d(0, -3px, 0); }
  to { opacity: 1; transform: none; }
}

@keyframes featureDemoSettle {
  from { opacity: .2; transform: translate3d(0, 34px, 0) scale(.93); }
  72% { opacity: 1; transform: translate3d(0, -4px, 0) scale(1.01); }
  to { opacity: 1; transform: none; }
}

.feature-story-card-copy {
  min-width: 0;
  display: grid;
  align-content: center;
  opacity: var(--feature-content-opacity);
  transform: translate3d(var(--feature-copy-x), 0, 0);
}

.feature-story-number {
  margin-bottom: 18px;
  color: #749f00;
  font: 700 12px/1 ui-monospace, "SF Mono", monospace;
}

.feature-story-card-copy h3 {
  max-width: 13ch;
  font-size: clamp(30px, 3.3vw, 48px);
  line-height: 1.02;
  letter-spacing: -.05em;
  text-wrap: balance;
}

.feature-story-card-copy p {
  max-width: 38ch;
  margin-top: 18px;
  color: var(--fg-mid);
  font-size: 15px;
  line-height: 1.65;
}

.feature-story-card-evidence {
  min-width: 0;
  opacity: var(--feature-content-opacity);
  transform: translate3d(var(--feature-demo-x), 0, 0);
}

.feature-story-demo {
  min-width: 0;
}

.feature-story-demo .fshow-video,
.feature-story-demo .fshow-window {
  width: 100%;
}

.feature-story-detail {
  margin-top: 14px;
  color: var(--fg-dim);
  font-size: 13px;
  line-height: 1.6;
}

.feature-story-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.feature-story-dot {
  width: 24px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: var(--line-strong);
  cursor: pointer;
  transition: width .2s ease, background-color .2s ease;
}

.feature-story-dot.active {
  width: 46px;
  background: var(--accent);
}

.feature-story-dot:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 3px;
}

/* mock window */

.fs-mark { border-radius: 4px; padding: 0 2px; }

.fshow-stylecard-head { display: flex; justify-content: space-between; align-items: baseline; }
.fshow-stylecard-head b { font-size: 14px; }
.fshow-stylecard-head em { font-style: normal; font-size: 12px; color: var(--fg-dim); font-family: ui-monospace, "SF Mono", monospace; }

.fshow-chips { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.fshow-chips span {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 12px;
  font-weight: 600;
}

.fshow-swap { position: relative; }
.fshow-swap .fs-swap-b { position: absolute; inset: 0; }

.fshow-instr {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--fg-mid);
  border: 1px dashed var(--line-strong);
  border-radius: 999px;
  padding: 6px 12px;
  display: inline-block;
}

.fshow-chip {
  margin-top: 10px;
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 11px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
}

.fshow-chip.inline { margin-top: 0; }

.fshow-moodbtn {
  display: inline-block;
  padding: 6px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 12.5px;
  background: var(--panel);
}

.fshow-gloss {
  margin-top: 9px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  color: var(--fg-dim);
}

/* ── mock animation timeline: 9s loop, staged by class ── */
.fshow-window [class*="fs-"] {
  animation-duration: 9s;
  animation-iteration-count: infinite;
  animation-timing-function: ease;
}

.feature-story-card:not(.active) .fshow-window * { animation-play-state: paused; }

.fs-in-25 { opacity: 0; animation-name: fsIn25; }
.fs-in-40 { opacity: 0; animation-name: fsIn40; }
.fs-in-55 { opacity: 0; animation-name: fsIn55; }
.fs-in-70 { opacity: 0; animation-name: fsIn70; }
.fs-mark { animation-name: fsMark; }
.fs-mark-2 { animation-name: fsMark2; }
.fs-mark-3 { animation-name: fsMark3; }
.fs-swap-a { animation-name: fsSwapA; }
.fs-swap-b { opacity: 0; animation-name: fsSwapB; }
.fs-swap-a.late { animation-name: fsSwapALate; }
.fs-swap-b.late { animation-name: fsSwapBLate; }
.fs-press { animation-name: fsPress; }

@keyframes fsIn25 { 0%, 22% { opacity: 0; transform: translateY(6px); } 28%, 96% { opacity: 1; transform: none; } 100% { opacity: 0; } }
@keyframes fsIn40 { 0%, 37% { opacity: 0; transform: translateY(6px); } 43%, 96% { opacity: 1; transform: none; } 100% { opacity: 0; } }
@keyframes fsIn55 { 0%, 52% { opacity: 0; transform: translateY(8px); } 59%, 96% { opacity: 1; transform: none; } 100% { opacity: 0; } }
@keyframes fsIn70 { 0%, 67% { opacity: 0; transform: translateY(6px); } 73%, 96% { opacity: 1; transform: none; } 100% { opacity: 0; } }

@keyframes fsMark  { 0%, 14% { background: transparent; } 20%, 96% { background: rgba(186, 255, 0, .5); } 100% { background: transparent; } }
@keyframes fsMark2 { 0%, 24% { background: transparent; } 30%, 96% { background: rgba(186, 255, 0, .5); } 100% { background: transparent; } }
@keyframes fsMark3 { 0%, 34% { background: transparent; } 40%, 96% { background: rgba(186, 255, 0, .5); } 100% { background: transparent; } }

@keyframes fsSwapA { 0%, 42% { opacity: 1; } 50%, 100% { opacity: 0; } }
@keyframes fsSwapB { 0%, 44% { opacity: 0; } 52%, 96% { opacity: 1; } 100% { opacity: 0; } }
@keyframes fsSwapALate { 0%, 55% { opacity: 1; } 63%, 100% { opacity: 0; } }
@keyframes fsSwapBLate { 0%, 57% { opacity: 0; } 65%, 96% { opacity: 1; } 100% { opacity: 0; } }

@keyframes fsPress {
  0%, 8% { box-shadow: none; }
  12% { box-shadow: 0 0 0 5px rgba(186, 255, 0, .55); background: var(--accent); }
  18%, 100% { box-shadow: none; }
}

@media (max-width: 840px) {
  .entry-stories { margin-top: 64px; }
  .entry-story { display: flex; flex-direction: column; align-items: stretch; gap: 30px; }
  .entry-story + .entry-story { margin-top: 92px; }
  .entry-story-voice .entry-video { order: 2; }
  .entry-copy { width: min(100%, 520px); padding: 0; }
  .entry-story-voice .entry-copy { margin-left: auto; }
  .entry-copy h3 { font-size: clamp(28px, 7vw, 38px); }
  .entry-steps { gap: 10px 20px; }
  .entry-foot { margin-top: 88px; }

  .feature-story {
    --feature-card-width: calc(100vw - 32px);
    --feature-card-gap: 16px;
    --feature-side-space: 16px;
    margin-top: 42px;
  }

  .feature-story-pin {
    top: 72px;
    height: calc(100svh - 84px);
    min-height: 0;
    gap: 8px;
    padding: 10px 0 12px;
  }

  .feature-story-progress {
    width: calc(100vw - 32px);
    grid-template-columns: auto minmax(76px, 1fr) auto;
  }

  .feature-story-card {
    flex-basis: calc(100vw - 32px);
    min-height: calc(100svh - 142px);
    grid-template-columns: minmax(0, 1fr);
    align-content: center;
    gap: 12px;
    padding: 16px;
    border-radius: 24px;
  }

  .feature-story-card-copy {
    display: grid;
    grid-template-columns: 26px minmax(0, 1fr);
    column-gap: 10px;
  }

  .feature-story-number {
    grid-row: 1 / span 2;
    margin: 5px 0 0;
  }

  .feature-story-card-copy h3 {
    max-width: 18ch;
    font-size: clamp(24px, 7.3vw, 31px);
    line-height: 1.05;
  }

  .feature-story-card-copy p {
    grid-column: 2;
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.5;
  }

  .feature-story-card .fshow-window {
    min-height: clamp(300px, 45svh, 390px);
  }

  .feature-story-detail {
    margin-top: 8px;
    font-size: 11.5px;
    line-height: 1.45;
  }

  .feature-story-dots {
    gap: 6px;
  }

  .feature-story-dot {
    width: 18px;
  }

  .feature-story-dot.active {
    width: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .feature-story {
    width: 100%;
    height: auto !important;
    margin: 52px 0 0;
  }

  .feature-story-pin {
    position: relative;
    top: auto;
    height: auto;
    min-height: 0;
    overflow: visible;
    padding: 0;
  }

  .feature-story-progress,
  .feature-story-dots {
    display: none;
  }

  .feature-story-viewport {
    overflow: visible;
  }

  .feature-story-track {
    width: 100%;
    display: grid;
    gap: 24px;
    padding: 0;
    transform: none !important;
  }

  .feature-story-card {
    width: 100%;
    min-height: 0;
    opacity: 1;
    transform: none;
    will-change: auto;
  }

  .feature-story-card-copy,
  .feature-story-card-evidence {
    opacity: 1;
    transform: none !important;
    will-change: auto;
  }

  .feature-story-card-copy h3,
  .feature-story-card-copy > p,
  .feature-story-demo {
    animation: none !important;
  }

  .feature-story-detail { animation: none !important; }
}

/* fshow reuses the playground demo-window chrome at slide scale */
.fshow-window { min-height: 430px; }
.fshow-window .demo-chat { min-height: 120px; padding: 26px 24px 12px; }
.fshow-window .demo-titlebar { height: 52px; padding: 0 20px; }
.fshow-window .demo-composer { left: 20px; right: 20px; bottom: 18px; min-height: 54px; }
.fshow-window .demo-popover { left: 20px; right: 20px; bottom: 90px; }

.fshow-window .bubble.me {
  margin-left: auto;
  border-bottom-left-radius: 17px;
  border-bottom-right-radius: 5px;
  background: rgba(186, 255, 0, .26);
}

.fshow-mood-meta { margin-left: auto; font-style: normal; }

.fshow-window .fshow-chip { margin-top: 0; margin-bottom: 10px; }
.fshow-window .fshow-instr { margin-top: 12px; }
.fshow-window .fshow-gloss { margin-top: 10px; padding-top: 9px; }

/* voice slide bits */
.fshow-keyhint {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  color: var(--fg-mid);
  font-size: 12.5px;
}

.fshow-keyhint .keycap {
  display: inline-block;
  min-width: 22px;
  padding: 2px 6px;
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  border-radius: 6px;
  background: #fff;
  text-align: center;
  font-size: 12px;
}

.fshow-keyhint .fshow-swap .fs-swap-b { white-space: nowrap; }

.fshow-modes {
  position: relative;
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  overflow: hidden;
  font-size: 12px;
}

.fshow-modes span {
  position: relative;
  z-index: 1;
  padding: 4px 13px;
  min-width: 46px;
  text-align: center;
  color: var(--fg);
  box-sizing: border-box;
}

.fshow-modes .fs-modeslide {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
}

.fshow-intent {
  margin: 2px 0 8px;
  color: var(--fg-mid);
  font-size: 13px;
}

.fs-dict { display: inline-block; animation-name: fsDict; }
.fs-chip-a { opacity: 0; animation-name: fsChipA; }
.fs-b-56 { opacity: 0; animation-name: fsB56; }
.fs-b-74 { opacity: 0; animation-name: fsB74; }
.fs-modeslide { animation-name: fsMode; }

@keyframes fsDict {
  0%, 10% { clip-path: inset(0 100% 0 0); opacity: 1; }
  30%, 44% { clip-path: inset(0 -2% 0 0); opacity: 1; }
  50%, 100% { opacity: 0; }
}
@keyframes fsChipA {
  0%, 32% { opacity: 0; transform: translateY(4px); }
  37%, 45% { opacity: 1; transform: none; }
  50%, 100% { opacity: 0; }
}
@keyframes fsMode {
  0%, 46% { transform: none; }
  54%, 100% { transform: translateX(100%); }
}
@keyframes fsB56 {
  0%, 52% { opacity: 0; transform: translateY(4px); }
  58%, 94% { opacity: 1; transform: none; }
  100% { opacity: 0; }
}
@keyframes fsB74 {
  0%, 70% { opacity: 0; transform: translateY(6px); }
  76%, 94% { opacity: 1; transform: none; }
  100% { opacity: 0; }
}

/* ── Pricing ────────────────────────────────────────────────────────── */
html:not(.ok8-public-pricing-enabled) .pricing-nav-entry,
html:not(.ok8-public-pricing-enabled) .pricing-block,
html:not(.ok8-public-pricing-enabled) .site-foot .foot-col a[href="/pricing"],
html:not(.ok8-public-pricing-enabled) .site-foot .foot-col a[href="/zh/pricing"] {
  display: none !important;
}

.pricing-block { scroll-margin-top: 92px; }