@charset "UTF-8";

:root {
  --blue: #2465e9;
  --blue-deep: #174cb4;
  --mint: #78e9d2;
  --ink: #202d43;
  --muted: #657389;
  --line: #dfe6ef;
  --paper: #fbfcfe;
  --font: "Bahnschrift", "Aptos", "Microsoft YaHei", sans-serif;
  --mono: "Cascadia Code", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  font: inherit;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
summary {
  cursor: pointer;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 5px;
}
img,
svg {
  display: block;
  max-width: 100%;
}
button,
h1,
h2,
h3,
p {
  margin: 0;
}
::selection {
  background: #c1f5e8;
  color: #123552;
}
.container {
  width: min(1184px, calc(100% - 96px));
  margin-inline: auto;
}
.skip-link {
  position: fixed;
  left: 20px;
  top: -60px;
  z-index: 100;
  background: white;
  padding: 14px 24px;
  border: 2px solid var(--blue);
  border-radius: 6px;
}
.skip-link:focus {
  top: 10px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #fbfcfef0;
  border-bottom: 1px solid #dfe6efab;
  backdrop-filter: blur(16px);
}
.nav-bar {
  height: 84px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 15px;
}
.brand > span {
  border-left: 1px solid var(--line);
  padding-left: 18px;
  padding-top: 3px;
  font: 10px var(--mono);
  letter-spacing: 1.6px;
  color: #728096;
}
.nav-bar nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 13px;
}
.nav-bar nav > a:not(.nav-download):hover,
.footer-right a:hover {
  color: var(--blue);
}
.nav-download {
  padding: 12px 17px;
  border: 1px solid #c7d6ed;
  border-radius: 7px;
  color: var(--blue);
  display: flex;
  gap: 22px;
  align-items: center;
  font-weight: 600;
}
.nav-download:hover {
  background: #eaf1ff;
}
.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  overflow: clip;
  padding-top: 90px;
  background:
    radial-gradient(ellipse at 83% 26%, #e2edff 0, transparent 46%),
    linear-gradient(135deg, #fbfcfe 26%, #f2f7fc 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(#7396c229 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(90deg, transparent 25%, #000 100%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 52px;
  align-items: center;
  position: relative;
  padding-bottom: 82px;
}
.eyebrow {
  color: var(--blue);
  font: 10px/1.5 var(--mono);
  font-weight: 600;
  letter-spacing: 1.6px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.status-dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px #2465e90d;
}
.eyebrow-divider {
  color: #9ba9bb;
  margin-inline: 3px;
}
h1 {
  font-size: clamp(58px, 6.8vw, 86px);
  line-height: 1.16;
  letter-spacing: -5px;
  font-weight: 800;
  margin: 27px 0 22px;
}
.hero-accent {
  color: var(--blue);
}
.period {
  color: var(--blue);
}
.fast-forward {
  display: inline-flex;
  vertical-align: middle;
  gap: 0;
  margin-left: 6px;
  transform: translateY(-7px);
}
.fast-forward i {
  height: 45px;
  width: 35px;
  background: #79e7d0;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}
.fast-forward i:last-child {
  opacity: 0.48;
}
.hero-lead {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.5px;
}
.hero-description {
  color: var(--muted);
  line-height: 1.95;
  max-width: 405px;
  font-size: 14px;
  margin-top: 14px;
}
.hero-actions {
  display: flex;
  gap: 24px;
  align-items: center;
  margin-top: 30px;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  padding: 17px 21px;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 600;
  transition:
    background 160ms,
    transform 160ms,
    box-shadow 160ms;
}
.button:hover {
  transform: translateY(-2px);
}
.button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.primary {
  color: white;
  background: var(--blue);
  box-shadow: 0 7px 18px #2465e926;
}
.primary:hover {
  background: var(--blue-deep);
  box-shadow: 0 9px 23px #2465e93b;
}
.text-link {
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  gap: 15px;
  align-items: center;
  white-space: nowrap;
}
.text-link:hover {
  color: var(--blue);
}
.text-link > span {
  font-size: 20px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 10px;
  color: #7a8799;
  margin-top: 18px;
}
.hero-meta span + span::before {
  content: "·";
  margin-right: 10px;
}
.transfer-stage {
  position: relative;
  padding: 25px 0 62px;
  min-width: 0;
}
.stage-caption {
  font: 9px var(--mono);
  letter-spacing: 1.5px;
  color: #7f93af;
  position: relative;
  margin: 0 0 18px 8px;
  display: flex;
  gap: 12px;
  align-items: center;
}
.mini-cross {
  font-size: 20px;
  color: #728eaf;
}
.stage-orbit {
  position: absolute;
  border: 1px solid #b7cbe454;
  width: 540px;
  height: 540px;
  border-radius: 50%;
  top: -6px;
  left: 40px;
  pointer-events: none;
}
.orbit-two {
  width: 655px;
  height: 655px;
  top: -63px;
  left: -17px;
}
.transfer-panel {
  background: #fff;
  border: 1px solid #d1def0;
  border-radius: 14px;
  box-shadow:
    0 25px 70px -30px #1f4a8c66,
    0 0 0 7px #ffffff52;
  position: relative;
  padding: 0 26px;
  overflow: hidden;
}
.panel-top {
  height: 57px;
  border-bottom: 1px solid #e6edf5;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.panel-top > span:first-child {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
}
.panel-top b {
  font-size: 10px;
  color: #7c8aa1;
  font-weight: 400;
  margin-left: 5px;
}
.demo-label {
  font-size: 9px;
  color: #73869d;
  border: 1px solid #e4eaf3;
  border-radius: 4px;
  padding: 4px 7px;
}
.file-line {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 25px 0;
}
.file-icon {
  width: 39px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--blue);
  background: #edf3ff;
  border: 1px solid #dfe9fc;
  border-radius: 5px;
  font-size: 24px;
}
.file-line > div {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.file-line strong {
  font: 11px var(--mono);
  letter-spacing: -0.3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-line div > span {
  font-size: 10px;
  color: #8b97a8;
}
.file-type {
  font: 8px var(--mono);
  color: #9ba8b9;
}
.transfer-reading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}
.reading-label {
  display: block;
  font-size: 10px;
  color: #8b97a8;
  margin-bottom: 6px;
}
.progress-number {
  font-size: 46px;
  line-height: 1;
  letter-spacing: -2px;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}
.progress-number small {
  font-size: 19px;
  color: #929fb2;
  margin-left: 3px;
}
.demo-speed {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: #428c7a;
  padding-bottom: 5px;
}
.demo-speed .status-dot {
  background: #54c8ad;
}
.main-progress {
  height: 7px;
  border-radius: 3px;
  background: #edf2f9;
  margin: 17px 0 24px;
  overflow: hidden;
}
.main-progress > span {
  height: 100%;
  display: block;
  width: 42.8%;
  background: linear-gradient(90deg, #2465e9, #528ef2 75%, #78e9d2);
  border-radius: 3px;
  transition: width 500ms linear;
}
.connection-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  color: #687a93;
}
.connection-heading > span:first-child {
  display: flex;
  gap: 5px;
  align-items: center;
}
.connection-heading .status-dot {
  width: 4px;
  height: 4px;
  margin-right: 4px;
}
.connection-heading > span:last-child {
  font: 8px var(--mono);
  letter-spacing: 0.4px;
  color: #9ba8b9;
}
.segments {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 5px;
  margin: 13px 0 17px;
  height: 64px;
}
.segment {
  position: relative;
  background: #edf2f9;
  border-radius: 2px;
  overflow: hidden;
}
.segment::after {
  content: "";
  display: block;
  width: var(--fill, 42%);
  height: 100%;
  background: #5d92ee;
  transition: width 500ms linear;
}
.segment:nth-child(3n)::after {
  background: #2465e9;
}
.segment:nth-child(7n)::after,
.segment.complete::after {
  background: #75d9c5;
}
.segments[data-count="8"] {
  gap: 7px;
}
.demo-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
}
.connection-options {
  display: flex;
  padding: 3px;
  background: #f0f4f9;
  border: 1px solid #e7edf5;
  border-radius: 5px;
  gap: 2px;
}
.connection-options button {
  border: 0;
  color: #7f8da3;
  background: transparent;
  border-radius: 3px;
  font-size: 10px;
  padding: 6px 13px;
}
.connection-options button[aria-pressed="true"] {
  background: white;
  color: var(--blue);
  box-shadow: 0 1px 4px #193c6920;
}
.pause-demo {
  font-size: 10px;
  display: flex;
  gap: 7px;
  align-items: center;
  background: transparent;
  color: #76869b;
  border: 0;
  padding: 10px 0 10px 12px;
}
.pause-demo:hover {
  color: var(--blue);
}
.is-paused .demo-speed {
  color: #8b97a8;
}
.is-paused .demo-speed .status-dot {
  background: #a8b4c3;
}
.panel-foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid #e6edf5;
  height: 40px;
  align-items: center;
  font: 9px var(--mono);
  color: #8b97a8;
}
.panel-foot > span:last-child {
  font-family: var(--font);
  font-size: 9px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.panel-foot i {
  width: 5px;
  height: 5px;
  background: #73d7bf;
  border-radius: 50%;
}
.float-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  position: absolute;
  right: -22px;
  bottom: 35px;
  width: 326px;
  padding: 16px;
  border: 1px solid #d2e3ee;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 14px 28px -16px #355e8c85;
}
.float-icon {
  height: 34px;
  width: 34px;
  background: #e9faf5;
  border-radius: 7px;
  display: grid;
  place-items: center;
  color: #39a98c;
  font-size: 21px;
}
.float-preview strong {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 5px;
}
.float-preview div > span {
  font-size: 9px;
  color: #8b97a8;
}
.float-preview svg {
  margin-left: auto;
  width: 63px;
  height: 28px;
  stroke: #3bb394;
  stroke-width: 2;
  fill: none;
}
.demo-disclaimer {
  position: absolute;
  bottom: 0;
  font-size: 9px;
  width: 100%;
  text-align: center;
  color: #8899b0;
}
.hero-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  position: relative;
  border-top: 1px solid #d7e1ef;
  padding-block: 26px 30px;
}
.hero-facts > div {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding-left: 34px;
  border-left: 1px solid #d7e1ef;
}
.hero-facts > div:first-child {
  border: 0;
  padding-left: 0;
}
.hero-facts strong {
  font-size: 24px;
  font-weight: 500;
  line-height: 1.2;
}
.hero-facts small {
  font-size: 13px;
  font-weight: 400;
}
.hero-facts > div > span {
  font-size: 11px;
  color: #7b899c;
}

.sources {
  padding-block: 44px 35px;
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.sources > p:first-child {
  font-size: 12px;
  color: #7d8a9f;
}
.sources > p > span {
  font: 9px var(--mono);
  letter-spacing: 1px;
  margin-left: 14px;
  color: #9ca7b9;
}
.source-list {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 20px;
  margin: 30px 0 22px;
}
.source-list > span {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #435168;
  font-size: 17px;
  font-weight: 600;
}
.source-list b {
  display: inline-grid;
  place-items: center;
  font-size: 22px;
}
.source-list .youtube-mark {
  width: 27px;
  height: 19px;
  background: #617188;
  border-radius: 5px;
  color: white;
  font-size: 10px;
}
.source-list .bili-mark {
  font-size: 30px;
  line-height: 0.8;
  transform: rotate(-3deg);
}
.source-list .hf-mark {
  font: 9px var(--mono);
  height: 27px;
  width: 27px;
  border: 1px solid #617188;
  border-radius: 50%;
}
.source-note {
  font-size: 10px;
  color: #91a0b2;
  line-height: 1.7;
}
.section-pad {
  padding-block: 90px;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 35px;
  gap: 30px;
}
h2 {
  font-size: 38px;
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: -1.4px;
  margin-top: 16px;
}
.section-heading > p {
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
  padding-bottom: 6px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}
.feature-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 27px 30px;
  background: white;
  position: relative;
  overflow: hidden;
}
.parallel-card,
.model-card {
  grid-column: span 3;
}
.compact-card {
  grid-column: span 2;
}
.feature-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.feature-index {
  font: 9px var(--mono);
  color: #8392a9;
  letter-spacing: 1px;
}
.round-icon {
  width: 30px;
  height: 30px;
  border: 1px solid #d5e1f5;
  border-radius: 6px;
  color: var(--blue);
  display: grid;
  place-items: center;
  font-size: 19px;
}
h3 {
  font-size: 21px;
  letter-spacing: -0.7px;
  line-height: 1.5;
  font-weight: 600;
}
.feature-card p {
  font-size: 12px;
  line-height: 1.95;
  color: var(--muted);
  margin-top: 10px;
}
.parallel-card {
  background: linear-gradient(140deg, #f2f7ff, #fdfefe);
}
.flow-art {
  display: flex;
  align-items: center;
  height: 140px;
  padding: 10px 10px;
}
.flow-origin {
  font: 12px var(--mono);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 72px;
  border: 1px solid #cbdbf1;
  border-radius: 7px;
  background: white;
  color: #859bb9;
  gap: 8px;
}
.flow-origin span {
  font-size: 18px;
  color: var(--blue);
}
.flow-tracks {
  display: grid;
  gap: 13px;
  flex: 1;
}
.flow-tracks i {
  height: 1px;
  background: #c9d9f2;
  position: relative;
}
.flow-tracks i::after {
  content: "";
  position: absolute;
  width: 22%;
  height: 3px;
  top: -1px;
  background: linear-gradient(90deg, #bfd5fc, #3475e9);
  left: 50%;
  border-radius: 2px;
}
.flow-tracks i:nth-child(2)::after {
  left: 13%;
}
.flow-tracks i:nth-child(3)::after {
  left: 63%;
  background: #72d7be;
}
.flow-tracks i:nth-child(4)::after {
  left: 36%;
}
.flow-tracks i:nth-child(5)::after {
  left: 3%;
}
.flow-destination {
  padding: 12px;
  border: 1px solid #d5e3f8;
  border-radius: 15px;
  background: #eaf2ff;
}
.card-bottom {
  border-top: 1px solid #dfe7f1;
  padding-top: 14px;
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: #8594aa;
  gap: 14px;
}
.card-bottom span:last-child {
  font-family: var(--mono);
  color: #4e76b1;
}
.model-card {
  background: linear-gradient(125deg, #fcfffe, #f1f9f7);
}
.model-files {
  height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}
.model-files > div {
  display: flex;
  align-items: center;
  padding: 11px 13px;
  gap: 10px;
  border: 1px solid #dcebe7;
  border-radius: 5px;
  background: #ffffffc7;
}
.model-files > div:last-child {
  margin-inline: 14px -6px;
}
.model-files span {
  color: #52ac99;
  font-size: 18px;
}
.model-files strong {
  font: 11px var(--mono);
  color: #5a796f;
}
.model-files small {
  margin-left: auto;
  font: 8px var(--mono);
  color: #8aaba1;
}
.compact-card {
  min-height: 252px;
  padding: 29px;
}
.line-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  font-size: 27px;
  color: var(--blue);
  border: 1px solid #dde7f9;
  border-radius: 7px;
  margin-bottom: 23px;
  background: #f5f8fe;
}
.compact-card h3 {
  font-size: 17px;
}
.feature-tag {
  display: inline-block;
  margin-top: 21px;
  font-size: 10px;
  color: #8796ad;
}
.background-card {
  background: #eff5fc;
}

.how-section {
  background: #f1f5fa;
  border-block: 1px solid #e3eaf2;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  padding-top: 10px;
}
.step-number {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--blue);
  font-size: 36px;
  font-weight: 300;
  margin-bottom: 16px;
  border-bottom: 1px solid #d1ddeb;
  padding-bottom: 14px;
}
.step-number > span {
  font-size: 23px;
  color: #bacce0;
}
.step h3 {
  font-size: 18px;
}
.step p {
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
  margin: 12px 0 18px;
}
.step code {
  font: 10px var(--mono);
  color: #6a82a2;
  display: flex;
  align-items: center;
  height: 36px;
  background: #e8eef7;
  border: 1px solid #dce6f3;
  border-radius: 4px;
  padding: 8px 12px;
}
.tiny-streams {
  display: grid;
  gap: 5px;
  height: 36px;
  padding-block: 3px;
}
.tiny-streams i {
  height: 3px;
  background: linear-gradient(90deg, #4d86eb 70%, #d9e4f5 70%);
  border-radius: 4px;
}
.tiny-streams i:nth-child(2) {
  background: linear-gradient(90deg, #5fbfa9 44%, #d9e4f5 44%);
}
.tiny-streams i:nth-child(3) {
  background: linear-gradient(90deg, #4d86eb 86%, #d9e4f5 86%);
}
.step-result {
  height: 36px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: #45927f;
  font: 11px var(--mono);
}
.step-result span {
  padding: 4px;
  border-radius: 50%;
  background: #d9eee7;
}
.speed-note {
  margin-top: 40px;
  font-size: 10px;
  color: #7e8ca2;
  display: flex;
  align-items: baseline;
  gap: 9px;
  line-height: 1.8;
}
.speed-note span {
  color: #5d7da9;
}

.browser-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}
.browser-visual {
  border: 1px solid #dae5f0;
  border-radius: 12px;
  padding: 43px 40px 50px;
  position: relative;
  background:
    radial-gradient(ellipse at 90% 90%, #d9f4ec, transparent 65%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 23px,
      #c7d9e933 24px
    ),
    repeating-linear-gradient(90deg, #f0f5fc, #f0f5fc 23px, #c7d9e933 24px);
}
.mini-browser {
  background: white;
  border: 1px solid #cbd9e9;
  border-radius: 9px;
  box-shadow: 0 15px 35px -20px #526b8e70;
  overflow: hidden;
}
.mini-browser-chrome {
  background: #f9fbfe;
  padding: 14px;
  display: flex;
  gap: 5px;
  border-bottom: 1px solid #e8edf5;
  align-items: center;
}
.mini-browser-chrome i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #cdd8e6;
}
.mini-browser-chrome > span {
  font: 9px var(--mono);
  background: #edf2f9;
  color: #97a7bc;
  padding: 5px 25px;
  margin-left: 12px;
  border-radius: 3px;
}
.mini-browser-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 30px 18px;
}
.browser-file {
  height: 45px;
  width: 37px;
  border: 1px solid #d9e4f6;
  background: #f2f6ff;
  border-radius: 4px;
  display: grid;
  place-items: center;
  font-size: 26px;
  color: #5886d5;
  margin-bottom: 14px;
}
.mini-browser-body > strong {
  font-size: 13px;
  font-weight: 500;
}
.mini-browser-body > span {
  font: 10px var(--mono);
  color: #8d9aad;
  margin-top: 7px;
}
.browser-route {
  display: flex;
  align-items: center;
  gap: 16px;
  font: 10px var(--mono);
  color: #6587ba;
  margin-top: 23px;
  padding: 9px 16px;
  border: 1px dashed #cbd9ed;
  border-radius: 4px;
}
.handoff-badge {
  position: relative;
  margin: -16px -13px 0 24px;
  padding: 16px;
  background: white;
  border: 1px solid #d1e6e0;
  border-radius: 8px;
  box-shadow: 0 10px 30px -10px #436e702e;
  display: flex;
  align-items: center;
  gap: 12px;
}
.handoff-badge > span {
  font-size: 9px;
  color: #8c9aae;
}
.handoff-badge strong {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  color: #3c5366;
  font-weight: 600;
}
.handoff-badge .handoff-check {
  color: #4bb097;
  margin-left: auto;
  font-size: 20px;
}
.visual-label {
  position: absolute;
  bottom: 19px;
  left: 40px;
  color: #8ca2b6;
  font: 8px var(--mono);
  letter-spacing: 1px;
}
.browser-copy > p:not(.eyebrow) {
  margin-top: 18px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}
.check-list {
  padding: 0;
  list-style: none;
  margin: 20px 0 24px;
}
.check-list li {
  font-size: 12px;
  color: #5c6f89;
  margin-top: 13px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.check-list li::before {
  content: "✓";
  color: #3ba68c;
  font-weight: bold;
}
.browser-copy .text-link {
  color: var(--blue);
}
.browser-copy > .small-note,
.small-note {
  font-size: 10px !important;
  color: #8c9bb0 !important;
  line-height: 1.8;
}
.faq-section {
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
}
.faq-intro > p:last-child {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
  margin-top: 20px;
}
details {
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 112px;
}
summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  line-height: 1.7;
  list-style: none;
  padding: 20px 0;
  font-weight: 500;
}
summary::-webkit-details-marker {
  display: none;
}
summary > span {
  color: #8599b2;
  font: 22px var(--mono);
  flex-shrink: 0;
  transition: transform 180ms;
}
details[open] summary > span {
  transform: rotate(45deg);
  color: var(--blue);
}
details p {
  overflow-wrap: anywhere;
  font-size: 12px;
  line-height: 2;
  color: var(--muted);
  padding-bottom: 20px;
}
.faq-list details:first-child summary {
  padding-top: 0;
}
.faq-answer p + p {
  margin-top: -7px;
}

.download-section {
  margin-block: 3px 20px;
}
.download-inner {
  position: relative;
  isolation: isolate;
  overflow: clip;
  border-radius: 13px;
  background: linear-gradient(115deg, #174fca, #2465e9 56%, #3980f0);
  padding: 52px 60px;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}
.download-copy .eyebrow {
  color: #c1d7ff;
  font-size: 9px;
  letter-spacing: 1.5px;
}
.download-copy .status-dot {
  background: var(--mint);
  box-shadow: none;
}
.download-copy h2 {
  font-size: 41px;
  margin-top: 17px;
}
.download-copy > p:last-child {
  font-size: 10px;
  color: #b4d1ff;
  margin-top: 18px;
  letter-spacing: 0.2px;
}
.download-rings {
  position: absolute;
  z-index: -1;
  right: -170px;
  top: -258px;
  width: 730px;
  height: 730px;
  border: 1px solid #ffffff14;
  border-radius: 50%;
  box-shadow:
    0 0 0 62px #ffffff06,
    0 0 0 124px #ffffff05,
    0 0 0 188px #ffffff03;
}
.download-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  min-width: 245px;
}
.download-action > img {
  margin-bottom: 3px;
  border-radius: 17px;
  box-shadow: 0 5px 12px #07378822;
}
.white-button {
  color: #235fcf;
  background: white;
  width: 100%;
  gap: 13px;
}
.white-button:hover {
  background: #e8f3ff;
}
.white-button svg {
  fill: currentColor;
  stroke: none;
  width: 17px;
}
.white-button > span:last-child {
  margin-left: auto;
}
.download-meta {
  color: #c6dbff;
  font-size: 10px;
}
.release-status {
  color: #cee1ff;
  font-size: 9px;
  margin-top: -6px;
}
.release-info {
  max-width: 1064px;
}
.release-info details {
  border-color: transparent;
}
.release-info summary {
  font-size: 11px;
  padding: 12px 0;
  color: #7487a0;
}
.release-info summary > span {
  font-size: 16px;
}
.release-info p {
  font-size: 11px;
}
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 36px;
  padding-block: 30px 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 35px;
}
.site-footer p {
  color: #8b98ab;
  font-size: 10px;
  margin-top: 8px;
}
.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 17px;
}
.footer-right nav {
  display: flex;
  gap: 27px;
  font-size: 11px;
  color: #657994;
}
.footer-right > span {
  font-size: 9px;
  color: #95a2b5;
  letter-spacing: 0.3px;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy {
    animation: enter 650ms ease both;
  }
  .transfer-stage {
    animation: enter 850ms 100ms ease both;
  }
  .will-reveal {
    opacity: 0;
    transform: translateY(17px);
    transition:
      opacity 600ms ease,
      transform 600ms ease;
  }
  .will-reveal.is-visible {
    opacity: 1;
    transform: none;
  }
  .feature-card:nth-child(2),
  .step:nth-child(2) {
    transition-delay: 70ms;
  }
  .feature-card:nth-child(3),
  .step:nth-child(3) {
    transition-delay: 140ms;
  }
  @keyframes enter {
    from {
      opacity: 0;
      transform: translateY(14px);
    }
    to {
      opacity: 1;
      transform: none;
    }
  }
}

@media (min-width: 1440px) {
  .hero {
    padding-top: 100px;
  }
  .hero-grid {
    padding-bottom: 95px;
  }
}
@media (max-width: 1100px) {
  .container {
    width: calc(100% - 64px);
  }
  .hero {
    padding-top: 65px;
  }
  .hero-grid {
    gap: 32px;
    padding-bottom: 60px;
  }
  .brand > span {
    display: none;
  }
  .hero-actions {
    gap: 15px;
  }
  .hero-actions .button {
    padding: 16px;
    font-size: 12px;
  }
  .hero-actions .text-link {
    font-size: 11px;
    gap: 9px;
  }
  .transfer-panel {
    padding-inline: 19px;
  }
  .file-type {
    display: none;
  }
  .stage-caption {
    font-size: 8px;
    letter-spacing: 0.9px;
  }
  .float-preview {
    right: -10px;
    width: 290px;
  }
  .feature-card {
    padding: 25px;
  }
  .compact-card h3 {
    font-size: 16px;
  }
  .browser-section {
    gap: 55px;
  }
  .browser-visual {
    padding-inline: 25px;
  }
  .faq-section {
    gap: 55px;
  }
  .download-inner {
    padding: 45px;
  }
}
@media (max-width: 820px) {
  .container {
    width: calc(100% - 48px);
  }
  .nav-bar {
    height: 72px;
  }
  .nav-bar nav {
    gap: 22px;
    font-size: 12px;
  }
  .hero {
    padding-top: 46px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-bottom: 44px;
  }
  .hero-copy {
    max-width: 620px;
  }
  h1 {
    font-size: 76px;
  }
  .hero-description {
    max-width: 500px;
  }
  .hero-actions .button {
    font-size: 14px;
    padding: 17px 21px;
  }
  .hero-actions .text-link {
    font-size: 13px;
  }
  .hero-actions {
    gap: 26px;
  }
  .transfer-stage {
    width: min(540px, 100%);
    margin-inline: auto;
  }
  .transfer-panel {
    padding-inline: 26px;
  }
  .float-preview {
    right: -8px;
    width: 326px;
  }
  .hero-facts > div {
    padding-left: 16px;
  }
  .hero-facts strong {
    font-size: 21px;
  }
  .hero-facts small {
    font-size: 10px;
  }
  .hero-facts > div > span {
    font-size: 9px;
  }
  .source-list {
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px 35px;
  }
  .source-list > span {
    font-size: 15px;
  }
  .section-pad {
    padding-block: 65px;
  }
  h2 {
    font-size: 32px;
  }
  .section-heading > p {
    font-size: 11px;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-card {
    grid-column: span 1;
    padding: 23px;
  }
  .background-card {
    grid-column: span 2;
    min-height: auto;
  }
  .background-card .line-icon {
    float: right;
  }
  .feature-card h3 {
    font-size: 17px;
  }
  .feature-card p {
    font-size: 11px;
  }
  .model-files small {
    display: none;
  }
  .model-files > div:last-child {
    margin-inline: 7px -5px;
  }
  .model-files strong {
    font-size: 10px;
  }
  .card-bottom {
    font-size: 9px;
  }
  .steps {
    gap: 27px;
  }
  .step h3 {
    font-size: 16px;
  }
  .step p {
    font-size: 11px;
  }
  .step code {
    font-size: 8px;
    padding-inline: 8px;
  }
  .browser-section {
    gap: 34px;
  }
  .browser-visual {
    padding: 26px 16px 40px;
  }
  .mini-browser-chrome {
    padding: 10px;
  }
  .mini-browser-chrome > span {
    font-size: 7px;
    padding-inline: 7px;
  }
  .handoff-badge {
    margin-right: -5px;
    margin-left: 7px;
    padding: 10px;
    gap: 7px;
  }
  .handoff-badge strong {
    font-size: 10px;
  }
  .visual-label {
    left: 16px;
    font-size: 7px;
    letter-spacing: 0;
    bottom: 14px;
  }
  .browser-copy h2 {
    font-size: 29px;
  }
  .browser-copy > p:not(.eyebrow),
  .check-list li {
    font-size: 11px;
  }
  .browser-copy .eyebrow {
    font-size: 8px;
    letter-spacing: 0.4px;
  }
  .faq-section {
    grid-template-columns: 0.7fr 1.3fr;
    gap: 35px;
  }
  summary {
    font-size: 12px;
  }
  .download-inner {
    padding: 35px;
    gap: 25px;
  }
  .download-copy h2 {
    font-size: 32px;
  }
  .download-copy > p:last-child {
    font-size: 9px;
    max-width: 225px;
    line-height: 1.8;
  }
  .download-action {
    min-width: 222px;
  }
}
@media (max-width: 600px) {
  html {
    scroll-padding-top: 84px;
  }
  .container {
    width: calc(100% - 40px);
  }
  .nav-bar {
    height: 68px;
  }
  .brand img {
    width: 124px;
    height: 31px;
  }
  .menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 42px;
    height: 40px;
    background: transparent;
    border: 1px solid #d8e2f0;
    border-radius: 6px;
    padding-inline: 10px;
  }
  .menu-toggle span {
    height: 1px;
    width: 20px;
    background: var(--ink);
    transition: transform 180ms;
  }
  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }
  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }
  .nav-bar nav {
    display: none;
    position: absolute;
    top: 67px;
    left: 0;
    width: 100%;
    background: #fbfcfe;
    padding: 18px 20px 24px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 15px 18px #243e6420;
  }
  .nav-bar nav.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .nav-bar nav > a {
    padding: 15px 12px;
    font-size: 14px;
  }
  .nav-download {
    margin-top: 6px;
    justify-content: space-between;
  }
  .hero {
    padding-top: 40px;
  }
  .hero-grid {
    gap: 24px;
    padding-bottom: 32px;
  }
  .eyebrow {
    font-size: 9px;
    letter-spacing: 1.1px;
  }
  h1 {
    font-size: clamp(59px, 17vw, 78px);
    letter-spacing: -4px;
    margin-block: 24px 20px;
  }
  .fast-forward i {
    width: 28px;
    height: 37px;
  }
  .hero-lead {
    font-size: 17px;
  }
  .hero-description {
    font-size: 13px;
    line-height: 1.9;
    max-width: 355px;
  }
  .hero-actions {
    flex-wrap: wrap;
    gap: 17px;
    margin-top: 24px;
  }
  .hero-actions .button {
    font-size: 12px;
    padding: 16px;
    gap: 8px;
  }
  .hero-actions .text-link {
    font-size: 11px;
    gap: 8px;
  }
  .hero-meta {
    font-size: 9px;
    gap: 8px;
  }
  .hero-meta span + span::before {
    margin-right: 8px;
  }
  .transfer-stage {
    padding-top: 12px;
    padding-bottom: 68px;
  }
  .stage-caption {
    font-size: 7px;
    margin-bottom: 12px;
  }
  .transfer-panel {
    padding-inline: 18px;
    border-radius: 10px;
    box-shadow:
      0 18px 35px -24px #1f4a8c66,
      0 0 0 4px #ffffff52;
  }
  .file-line {
    margin-block: 20px;
  }
  .file-line strong {
    font-size: 10px;
  }
  .panel-top {
    height: 49px;
  }
  .panel-top b {
    font-size: 9px;
  }
  .progress-number {
    font-size: 40px;
  }
  .connection-heading {
    font-size: 9px;
  }
  .connection-heading > span:last-child {
    font-size: 7px;
  }
  .connection-options button {
    padding-inline: 11px;
    min-height: 31px;
  }
  .pause-demo {
    min-height: 43px;
  }
  .float-preview {
    width: 282px;
    right: -4px;
    bottom: 34px;
    padding: 13px;
    gap: 9px;
  }
  .float-preview strong {
    font-size: 11px;
  }
  .float-preview svg {
    width: 51px;
  }
  .demo-disclaimer {
    font-size: 8px;
  }
  .panel-foot {
    font-size: 8px;
  }
  .panel-foot > span:last-child {
    font-size: 8px;
  }
  .hero-facts {
    grid-template-columns: repeat(2, 1fr);
    gap: 23px 0;
    padding-block: 24px 29px;
  }
  .hero-facts > div {
    padding-left: 22px;
  }
  .hero-facts > div:nth-child(odd) {
    padding-left: 0;
    border: 0;
  }
  .hero-facts strong {
    font-size: 25px;
  }
  .hero-facts small {
    font-size: 12px;
  }
  .hero-facts > div > span {
    font-size: 10px;
  }
  .sources {
    padding-block: 30px;
  }
  .sources > p > span {
    display: block;
    margin: 8px 0 0;
    font-size: 8px;
  }
  .source-list {
    gap: 22px;
    margin-block: 24px;
  }
  .source-list > span {
    font-size: 13px;
    gap: 7px;
  }
  .source-list b {
    font-size: 20px;
  }
  .source-note {
    font-size: 9px;
  }
  .section-pad {
    padding-block: 52px;
  }
  .section-heading {
    display: block;
    margin-bottom: 25px;
  }
  .section-heading > p {
    margin-top: 16px;
  }
  .section-heading > p br {
    display: none;
  }
  h2 {
    font-size: 31px;
    letter-spacing: -1px;
    margin-top: 12px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .feature-card,
  .background-card {
    grid-column: auto;
    padding: 25px;
  }
  .feature-card h3 {
    font-size: 20px;
  }
  .feature-card p {
    font-size: 12px;
  }
  .feature-top {
    margin-bottom: 14px;
  }
  .flow-art {
    height: 132px;
  }
  .model-files small {
    display: block;
    font-size: 7px;
  }
  .model-files strong {
    font-size: 10px;
  }
  .compact-card {
    min-height: auto;
  }
  .compact-card .line-icon {
    float: none;
    margin-bottom: 18px;
  }
  .feature-tag {
    margin-top: 17px;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .step-number {
    font-size: 30px;
    padding-bottom: 10px;
    margin-bottom: 12px;
  }
  .step h3 {
    font-size: 19px;
  }
  .step p {
    font-size: 12px;
  }
  .step code {
    font-size: 10px;
  }
  .speed-note {
    margin-top: 26px;
    font-size: 10px;
  }
  .browser-section {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .browser-visual {
    padding: 28px 25px 43px;
  }
  .mini-browser-chrome {
    padding: 12px;
  }
  .mini-browser-chrome > span {
    font-size: 9px;
    padding-inline: 18px;
  }
  .handoff-badge {
    padding: 14px;
    margin-left: 20px;
    margin-right: -8px;
    gap: 12px;
  }
  .handoff-badge strong {
    font-size: 12px;
  }
  .visual-label {
    left: 25px;
    font-size: 8px;
  }
  .browser-copy h2 {
    font-size: 31px;
  }
  .browser-copy .eyebrow {
    font-size: 9px;
    letter-spacing: 1px;
  }
  .browser-copy > p:not(.eyebrow),
  .check-list li {
    font-size: 12px;
  }
  .faq-section {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .faq-intro > p:last-child {
    font-size: 12px;
    margin-top: 15px;
  }
  .faq-intro > p:last-child br {
    display: none;
  }
  summary {
    font-size: 13px;
    padding-block: 20px;
    gap: 15px;
  }
  details {
    scroll-margin-top: 94px;
  }
  details p {
    font-size: 12px;
  }
  .download-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 30px;
    padding: 32px 25px;
  }
  .download-copy h2 {
    font-size: 36px;
  }
  .download-copy > p:last-child {
    max-width: 280px;
    font-size: 9px;
  }
  .download-copy .eyebrow {
    font-size: 8px;
    letter-spacing: 1px;
  }
  .download-action {
    min-width: 0;
    align-items: stretch;
    text-align: center;
  }
  .download-action > img {
    display: none;
  }
  .white-button {
    padding: 17px;
    font-size: 14px;
  }
  .download-rings {
    right: -430px;
  }
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
    margin-top: 20px;
    padding-block: 26px 32px;
  }
  .footer-right {
    align-items: flex-start;
    gap: 17px;
  }
  .footer-right nav {
    gap: 28px;
  }
  .footer-right > span {
    font-size: 8px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 600px) {
  html:not(.has-js) .nav-bar {
    height: auto;
    min-height: 68px;
    flex-wrap: wrap;
    padding-block: 18px;
    gap: 16px;
  }
  html:not(.has-js) .menu-toggle {
    display: none;
  }
  html:not(.has-js) .nav-bar nav {
    display: flex;
    position: static;
    flex-wrap: wrap;
    gap: 14px;
    padding: 0;
    border: 0;
    box-shadow: none;
  }
  html:not(.has-js) .nav-bar nav > a {
    padding: 6px 0;
  }
  html:not(.has-js) .nav-download {
    margin-top: 0;
    border: 0;
  }
}