@charset "UTF-8";
:root {
  color-scheme: light;
  --paper: #f6f4ed;
  --ink: #2e4036;
  --muted: #647168;
  --line: #d8ded3;
  --accent: #c96343;
  --serif: Georgia, "Noto Serif SC", "Songti SC", serif;
  --sans:
    Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 32px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font: inherit;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
h1,
h2,
h3 {
  font-weight: 500;
}
a,
button,
input,
summary {
  touch-action: manipulation;
}
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
a:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}
[hidden] {
  display: none !important;
}
.wrap {
  width: min(1200px, calc(100% - 96px));
  margin-inline: auto;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  z-index: 20;
  padding: 12px 20px;
  background: var(--ink);
  color: white;
}
.skip-link:focus {
  top: 12px;
}
.header {
  height: 112px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 23px;
  font-weight: 600;
  letter-spacing: -0.7px;
}
.brand-cn {
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 2px;
  margin-left: 12px;
  color: var(--muted);
}
.header nav,
.header-end {
  display: flex;
  gap: 32px;
  align-items: center;
  font-size: 14px;
}
.header nav {
  margin-left: auto;
  margin-right: 30px;
}
.header-end {
  gap: 23px;
}
.language {
  font-size: 13px;
}
.github-link {
  border: 1px solid #9faa9e;
  padding: 7px 15px;
  border-radius: 6px;
}
.hero {
  display: grid;
  grid-template-columns: 1fr 1.06fr;
  gap: 48px;
  align-items: center;
  padding-top: 65px;
  padding-bottom: 84px;
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 2px;
  line-height: 1.5;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 9px;
}
.signal {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
h1 {
  font-size: clamp(44px, 4.6vw, 65px);
  letter-spacing: -3px;
  line-height: 1.23;
  margin-top: 27px;
  font-weight: 550;
}
h1 em {
  font-style: normal;
  color: #70806a;
}
html[lang="en"] h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(46px, 4.8vw, 69px);
  letter-spacing: -2.5px;
  line-height: 1.08;
}
html[lang="en"] h1 em {
  font-style: italic;
}
.lead {
  margin-top: 28px;
  max-width: 440px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.95;
}
.actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 33px;
  flex-wrap: wrap;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 26px;
  padding: 13px 21px;
  font-size: 14px;
  border-radius: 5px;
  font-weight: 500;
  transition:
    background 0.18s,
    transform 0.18s;
}
.button:hover {
  text-decoration: none;
  transform: translateY(-2px);
}
.primary {
  color: #fff;
  background: var(--ink);
}
.primary:hover {
  background: #435947;
}
.text-link {
  font-size: 13px;
}
.text-link span {
  margin-left: 8px;
}
.compat {
  font-size: 11px;
  color: var(--muted);
  margin-top: 19px;
  letter-spacing: 0.1px;
}
.demo {
  min-width: 0;
  position: relative;
  scroll-margin-top: 30px;
}
.demo-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 37px;
  border: 1px solid #bfc9ba;
  border-bottom: 0;
  border-radius: 10px 10px 0 0;
  background: #eeeee4;
  font-size: 10px;
  color: #5f6b60;
  padding: 0 14px;
}
.window-dots {
  display: flex;
  gap: 5px;
}
.window-dots i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #b2bbab;
}
.demo-mark {
  font-size: 16px;
}
.scene {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid #bfc9ba;
  border-top: 0;
  background: #b9c8b9;
}
.scene > img {
  width: 100%;
  aspect-ratio: 1.25;
  object-fit: cover;
}
.scene-heading {
  position: absolute;
  top: 8%;
  left: 7%;
  color: #2d463b;
}
.scene-heading > span {
  font-size: 9px;
  letter-spacing: 2.6px;
}
.scene-heading p {
  margin-top: 12px;
  font: italic 36px/1.06 var(--serif);
  letter-spacing: -1px;
}
.scene-coordinate {
  position: absolute;
  right: 6%;
  top: 11%;
  font-size: 8px;
  letter-spacing: 2px;
  writing-mode: vertical-rl;
}
.caption {
  position: absolute;
  bottom: 7%;
  left: 5%;
  width: 90%;
  padding: 15px 19px;
  border-radius: 5px;
  background: #1d2c27ed;
  color: #f8f7ef;
  text-align: center;
  box-shadow: 0 6px 24px #18251b18;
}
.caption-zh {
  font-size: 17px;
  font-weight: 500;
  line-height: 1.7;
}
.caption-original {
  font-size: 12px;
  line-height: 1.65;
  color: #d4dfd5;
  margin-top: 3px;
}
.caption-original:only-child {
  margin-top: 0;
}
.demo-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid #bfc9ba;
  border-top: 0;
  border-radius: 0 0 10px 10px;
  background: #f9f8f3;
}
.demo-controls fieldset,
.screen-controls {
  border: 0;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 2px;
}
.demo-controls fieldset label,
.screen-controls label {
  position: relative;
  cursor: pointer;
}
.demo-controls fieldset input,
.screen-controls input,
.translation-toggle input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}
.demo-controls fieldset span {
  display: block;
  font-size: 11px;
  border-radius: 4px;
  padding: 4px 11px;
  color: var(--muted);
}
.demo-controls fieldset input:checked + span {
  background: #e2e8dc;
  color: var(--ink);
}
input:focus-visible + span {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}
.translation-toggle {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  cursor: pointer;
}
.switch {
  width: 27px;
  height: 16px;
  border-radius: 10px;
  background: #abb3a6;
  position: relative;
}
.switch:after {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: white;
  position: absolute;
  left: 3px;
  top: 3px;
  transition: transform 0.15s;
}
.translation-toggle input:checked + .switch {
  background: #4b674d;
}
.translation-toggle input:checked + .switch:after {
  transform: translateX(11px);
}
.demo-note {
  font-size: 10px;
  color: var(--muted);
  padding-top: 12px;
  text-align: center;
}
.facts {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding-block: 28px;
}
.fact {
  padding-inline: 30px;
  border-left: 1px solid var(--line);
}
.fact:first-child {
  padding-left: 0;
  border-left: 0;
}
.fact strong {
  font-weight: 500;
  font-size: 17px;
}
.fact p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}
.section {
  padding-top: 116px;
  padding-bottom: 116px;
}
h2 {
  font-size: 38px;
  line-height: 1.45;
  letter-spacing: -1.2px;
  margin-top: 21px;
}
html[lang="en"] h2 {
  font-family: var(--serif);
  font-size: 43px;
  line-height: 1.16;
  letter-spacing: -1.4px;
}
.section-body {
  font-size: 15px;
  line-height: 1.95;
  color: var(--muted);
  margin-top: 23px;
  max-width: 400px;
}
.product {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 95px;
}
.feature-list {
  padding-top: 18px;
}
.feature {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 19px;
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
}
.feature:first-child {
  padding-top: 0;
}
.feature:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.feature-number {
  font: italic 18px var(--serif);
  color: #7a886f;
  padding-top: 5px;
}
.feature h3 {
  font-size: 18px;
  margin-bottom: 9px;
}
.feature p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}
.workspace {
  background: #e9ede3;
}
.workspace-intro {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 50px;
}
.workspace-intro .section-body {
  max-width: 340px;
  margin-bottom: 3px;
}
.screen-controls {
  justify-content: center;
  gap: 8px;
  margin-top: 46px;
  margin-bottom: 23px;
}
.screen-controls span {
  padding: 8px 18px;
  border-radius: 5px;
  font-size: 13px;
  display: block;
  border: 1px solid #bac6b6;
}
.screen-controls input:checked + span {
  background: var(--ink);
  color: white;
  border-color: var(--ink);
}
.screens {
  margin-top: 32px;
}
.screen-controls:not([hidden]) + .screens {
  margin-top: 0;
}
.screens figure {
  margin: 0 auto 24px;
  width: min(930px, 100%);
}
.screens img {
  border-radius: 10px;
  box-shadow: 0 16px 38px #26392d1c;
  border: 1px solid #334237;
}
.screens figcaption {
  font-size: 12px;
  text-align: center;
  margin-top: 14px;
}
.screens.enhanced figcaption {
  display: none;
}
.screenshot-note {
  font-size: 11px;
  color: #5b695d;
  text-align: center;
  max-width: 780px;
  margin: 20px auto 0;
}
.workspace-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 85px;
  margin: 48px auto 0;
  max-width: 930px;
}
.workspace-details h3 {
  font-size: 17px;
  margin-bottom: 12px;
}
.workspace-details p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.9;
}
.setup {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 95px;
}
.requirements {
  margin-top: 30px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  max-width: 400px;
}
.requirements h3 {
  font-size: 12px;
  font-weight: 600;
}
.requirements ul {
  list-style: none;
  padding: 0;
  font-size: 12px;
  color: var(--muted);
  line-height: 2;
}
.requirements li {
  padding-left: 15px;
  position: relative;
}
.requirements li:before {
  content: "·";
  position: absolute;
  left: 0;
}
.steps {
  list-style: none;
  padding: 0;
  margin: 6px 0 32px;
  counter-reset: step;
}
.steps li {
  position: relative;
  padding: 0 0 33px 51px;
  counter-increment: step;
}
.steps li:not(:last-child):after {
  content: "";
  position: absolute;
  top: 34px;
  bottom: 7px;
  left: 14px;
  border-left: 1px solid var(--line);
}
.steps li:before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  border: 1px solid #aab9a5;
  border-radius: 50%;
  font: 12px/28px var(--serif);
  text-align: center;
}
.steps h3 {
  font-size: 18px;
}
.steps p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
  margin-top: 8px;
}
.build-link {
  display: block;
  font-size: 12px;
  margin-top: 16px;
  width: fit-content;
}
.faq {
  padding-top: 0;
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 95px;
}
.faq h2 {
  font-size: 27px;
  max-width: 340px;
}
html[lang="en"] .faq h2 {
  font-size: 35px;
}
.faq-items details {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
.faq-items details:first-child {
  border-top: 1px solid var(--line);
}
.faq-items summary {
  cursor: pointer;
  font-size: 15px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  list-style: none;
}
.faq-items summary::-webkit-details-marker {
  display: none;
}
.faq-items summary:after {
  content: "+";
  font-size: 20px;
  font-weight: 300;
  line-height: 1.3;
}
.faq-items details[open] summary:after {
  content: "−";
}
.faq-items details p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.95;
  margin-top: 14px;
  padding-right: 20px;
}
.end {
  background: var(--ink);
  color: var(--paper);
  padding: 72px 0 78px;
}
.end-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
}
.end .eyebrow {
  color: #c4d0bd;
  letter-spacing: 5px;
  gap: 0;
}
.bridge-word {
  font-size: 24px;
  line-height: 0.7;
  margin: 0 8px;
  letter-spacing: 0;
}
.end h2 {
  font-size: 43px;
  line-height: 1.35;
}
.end p:not(.eyebrow) {
  color: #becabd;
  font-size: 14px;
  margin-top: 21px;
}
.light {
  color: var(--ink);
  background: var(--paper);
}
.light:hover {
  background: #dce4d5;
}
.footer {
  padding-block: 45px 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  row-gap: 38px;
}
.footer .brand {
  font-size: 21px;
}
.footer p {
  font-size: 11px;
  color: var(--muted);
  margin-top: 11px;
}
.footer nav {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  align-content: start;
  gap: 15px 24px;
  font-size: 12px;
  padding-top: 7px;
}
.footer .footer-note {
  grid-column: 1/-1;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  margin: 0;
  font-size: 10px;
}
@media (min-width: 1450px) {
  .hero {
    gap: 65px;
    padding-top: 85px;
    padding-bottom: 100px;
  }
}
@media (max-width: 1000px) {
  .wrap {
    width: calc(100% - 56px);
  }
  .header {
    height: 88px;
  }
  .header nav {
    gap: 22px;
    margin-right: 10px;
  }
  .hero {
    gap: 30px;
    padding-top: 44px;
    padding-bottom: 60px;
  }
  h1 {
    font-size: 46px;
    letter-spacing: -2px;
  }
  .lead {
    font-size: 15px;
  }
  .actions {
    gap: 17px;
  }
  .caption-zh {
    font-size: 15px;
  }
  .caption-original {
    font-size: 11px;
  }
  .scene-heading p {
    font-size: 30px;
  }
  .product,
  .setup,
  .faq {
    gap: 50px;
  }
  .section {
    padding-block: 85px;
  }
  .faq {
    padding-top: 0;
  }
  .workspace-intro {
    gap: 40px;
  }
  .workspace-intro .section-body {
    max-width: 290px;
  }
  h2 {
    font-size: 32px;
  }
  .workspace-details {
    gap: 40px;
  }
  .hero .button {
    padding-inline: 16px;
    gap: 14px;
  }
  .brand-cn {
    display: none;
  }
}
@media (max-width: 760px) {
  .wrap {
    width: calc(100% - 40px);
  }
  .header {
    height: 80px;
    gap: 12px;
  }
  .header nav {
    display: none;
  }
  .header-end {
    gap: 17px;
  }
  .brand {
    font-size: 21px;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 30px;
    padding-bottom: 42px;
  }
  .hero-copy {
    max-width: 560px;
  }
  h1 {
    font-size: clamp(38px, 8.8vw, 58px);
    letter-spacing: -1.7px;
    margin-top: 23px;
  }
  html[lang="en"] h1 {
    font-size: clamp(46px, 9.2vw, 64px);
  }
  .lead {
    max-width: 510px;
    margin-top: 23px;
    font-size: 16px;
  }
  .actions {
    margin-top: 25px;
  }
  .compat {
    font-size: 10px;
  }
  .demo {
    max-width: 580px;
    width: 100%;
    margin: auto;
  }
  .scene > img {
    aspect-ratio: 1.35;
  }
  .scene-heading p {
    font-size: 36px;
  }
  .caption-zh {
    font-size: 17px;
  }
  .caption-original {
    font-size: 12px;
  }
  .facts {
    padding-block: 21px;
  }
  .fact {
    padding-inline: 12px;
  }
  .fact strong {
    font-size: 12px;
  }
  .fact p {
    font-size: 10px;
    line-height: 1.5;
    max-width: 100px;
  }
  .section {
    padding-block: 65px;
  }
  .product,
  .setup,
  .faq {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .section-body {
    max-width: 530px;
  }
  .feature-list {
    padding-top: 0;
  }
  .feature {
    padding-block: 22px;
  }
  .workspace-intro {
    display: block;
  }
  .workspace-intro .section-body {
    max-width: 530px;
    margin-top: 22px;
  }
  .workspace-details {
    grid-template-columns: 1fr;
    gap: 23px;
    margin-top: 30px;
  }
  .screen-controls {
    margin-top: 29px;
  }
  .screens img {
    border-radius: 5px;
  }
  .screenshot-note {
    font-size: 10px;
  }
  .setup {
    gap: 28px;
  }
  .requirements {
    max-width: none;
  }
  .steps {
    margin-bottom: 10px;
  }
  .steps li {
    padding-bottom: 27px;
  }
  .faq {
    padding-top: 0;
  }
  .faq h2 {
    max-width: none;
    font-size: 28px;
  }
  .faq-items summary {
    font-size: 14px;
  }
  .end {
    padding-block: 50px;
  }
  .end-inner {
    display: block;
  }
  .end h2 {
    font-size: 36px;
  }
  .end .button {
    margin-top: 29px;
  }
  .footer {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-top: 32px;
  }
  .footer nav {
    justify-content: flex-start;
    gap: 14px 24px;
  }
  .footer .footer-note {
    margin-top: 8px;
  }
  html[lang="en"] h2 {
    font-size: 36px;
  }
}
@media (max-width: 380px) {
  .wrap {
    width: calc(100% - 32px);
  }
  .github-link {
    padding-inline: 10px;
  }
  .caption {
    padding: 10px;
    left: 4%;
    width: 92%;
  }
  .caption-zh {
    font-size: 14px;
  }
  .caption-original {
    font-size: 10px;
  }
  .scene-heading p {
    font-size: 30px;
  }
  .actions {
    gap: 12px;
  }
  .text-link {
    font-size: 12px;
  }
  .fact strong {
    font-size: 11px;
  }
  html[lang="en"] .compat {
    max-width: 280px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
  }
}

.sample-source {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 11px;
  color: var(--muted);
  padding: 14px 2px 0;
  min-height: 52px;
}
.sample-source span {
  white-space: nowrap;
  font-size: 10px;
  color: var(--ink);
}
.sample-source q {
  quotes: none;
}
.sample-source + .demo-note {
  padding-top: 0;
}