/* Standalone website. No fonts, images or styles are loaded from third parties. */

:root {
  --radius: 18px;
  font-family: "Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.75;
}

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

[hidden] {
  display: none!important;
}

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

button,select {
  font: inherit;
  color: inherit;
}

button,a,select,summary {
  touch-action: manipulation;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: default;
}

button:focus-visible,a:focus-visible,select:focus-visible,summary:focus-visible,[tabindex]:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 5px;
}

::selection {
  background: var(--accent-soft);
  color: var(--green);
}

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

h1,h2,h3 {
  font-weight: 650;
  line-height: 1.35;
}

code,.mono {
  font-family: "Cascadia Code","SFMono-Regular",Consolas,monospace;
}

svg {
  display: block;
}

.icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-library {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.container {
  width: min(1240px,calc(100% - 104px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  background: var(--green);
  color: var(--on-accent);
  padding: 10px 20px;
  transform: translateY(-150%);
  border-radius: 8px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: var(--translucent);
}

.header-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand>span:first-of-type {
  font-size: 25px;
  line-height: 1;
  font-weight: 750;
  letter-spacing: -1.2px;
}

.brand-chinese {
  margin-left: 8px;
  padding-left: 18px;
  border-left: 1px solid var(--line-strong);
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .8px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 13px;
  font-weight: 500;
}

.main-nav>a:not(.button) {
  padding-block: 10px;
}

.main-nav>a:not(.button):hover {
  color: var(--green);
}

.button {
  min-height: 50px;
  padding: 12px 23px;
  border-radius: 8px;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  transition: background .18s,transform .18s;
}

.button-dark {
  color: var(--on-accent);
  background: var(--green);
}

.button-dark:hover {
  background: var(--green);
  transform: translateY(-2px);
}

.button-small {
  min-height: 42px;
  padding: 9px 17px;
  font-size: 12px;
  gap: 18px;
}

.button-small .icon {
  width: 16px;
  height: 16px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  font-weight: 600;
  padding-block: 9px;
}

.text-link:hover {
  color: var(--green);
}

.menu-toggle {
  display: none;
}

.hero {
  min-height: 620px;
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  align-items: center;
  gap: 42px;
  padding-top: 58px;
  padding-bottom: 68px;
}

.hero-copy {
  padding-bottom: 12px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  letter-spacing: 2px;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 27px;
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}

h1 {
  font-size: clamp(32px,3.4vw,48px);
  letter-spacing: -1.7px;
  line-height: 1.55;
  white-space: nowrap;
  font-weight: 700;
}

.hero-emphasis {
  color: var(--green);
  position: relative;
  display: inline-block;
}

.hero-emphasis>svg {
  position: absolute;
  left: -2%;
  bottom: 0;
  width: 102%;
  height: 12px;
  stroke: var(--muted);
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
}

.hero-lead {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
  margin-top: 24px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-top: 31px;
}

.hero-points {
  display: flex;
  gap: 16px;
  margin-top: 27px;
  color: var(--muted);
  font-size: 10px;
}

.hero-points>span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.hero-points .icon {
  width: 13px;
  height: 13px;
  color: var(--muted);
}

.hero-visual {
  min-width: 0;
  position: relative;
  isolation: isolate;
  padding-top: 28px;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 8% 0 0;
  z-index: -1;
  background: radial-gradient(ellipse at center,var(--accent-soft) 0%,var(--surface) 43%,transparent 70%);
}

.orbit-label {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 9px;
  letter-spacing: 1.5px;
  font-size: 8px;
  color: var(--muted);
  margin-bottom: 14px;
}

.tiny-cross {
  font-size: 18px;
  color: var(--muted);
}

.workbench {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  box-shadow: 0 26px 54px -24px var(--shadow),0 4px 12px var(--shadow);
  overflow: hidden;
  transform: rotate(-1deg);
}

.window-bar {
  height: 36px;
  padding: 0 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: var(--canvas);
  color: var(--muted);
  font-size: 8px;
}

.window-dots {
  display: flex;
  gap: 4px;
  min-width: 46px;
}

.window-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-soft);
}

.window-dots i:first-child {
  background: var(--accent-soft);
}

.window-bar>span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.window-bar .icon {
  width: 10px;
  height: 10px;
}

.demo-badge {
  font-size: 7px;
  opacity: .9;
}

.workbench-body {
  display: grid;
  grid-template-columns: 118px minmax(0,1fr);
  min-height: 355px;
}

.mock-sidebar {
  padding: 18px 9px 12px;
  background: var(--canvas);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  font-size: 8px;
}

.mock-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -.5px;
  margin: 0 3px 18px;
}

.mock-project {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 9px;
  font-weight: 600;
  padding: 9px 5px;
  background: var(--accent-soft);
  border-radius: 5px;
}

.mock-project .icon {
  width: 12px;
  height: 12px;
}

.mock-project>span {
  margin-left: auto;
}

.mock-label {
  margin: 20px 7px 7px;
  color: var(--muted);
  font-size: 8px;
}

.mock-chat {
  padding: 8px 7px;
  color: var(--muted);
  white-space: nowrap;
}

.mock-chat.active {
  background: var(--accent-soft);
  color: var(--green);
  border-radius: 5px;
  font-weight: 600;
}

.mock-sidebar-bottom {
  display: flex;
  gap: 5px;
  align-items: center;
  margin-top: auto;
  padding: 20px 5px 0;
  color: var(--muted);
}

.mock-sidebar-bottom .icon {
  width: 11px;
  height: 11px;
}

.mock-sidebar-bottom .status-dot {
  margin-left: auto;
  width: 5px;
  height: 5px;
}

.mock-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--paper);
}

.demo-tabs {
  display: flex;
  align-items: center;
  gap: 17px;
  border-bottom: 1px solid var(--line);
  padding: 0 17px;
  height: 43px;
}

.demo-tabs button {
  padding: 0 0 3px;
  height: 100%;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 9px;
  white-space: nowrap;
}

.demo-tabs button[aria-selected="true"] {
  color: var(--green);
  border-bottom-color: var(--green);
  font-weight: 600;
}

.demo-tabs button>span {
  margin-left: 3px;
  color: var(--muted);
  background: var(--surface);
  font-size: 7px;
  border-radius: 3px;
  padding: 1px 3px;
}

.demo-panel {
  padding: 19px 17px 12px;
  min-height: 252px;
  font-size: 9px;
  outline-offset: -3px!important;
}

.mock-user {
  background: var(--surface);
  color: var(--green);
  border: 1px solid var(--line);
  padding: 10px 13px;
  border-radius: 8px 8px 2px 8px;
  margin-left: 43px;
  margin-bottom: 17px;
  line-height: 1.8;
}

.mock-answer {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  line-height: 1.8;
  margin-bottom: 10px;
}

.mock-answer img {
  flex-shrink: 0;
}

.mock-answer strong {
  font-weight: 600;
}

.mock-answer p {
  font-size: 8px;
  color: var(--muted);
  margin-top: 4px;
}

.mock-action {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 8px;
  min-height: 30px;
  margin-left: 32px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  white-space: nowrap;
}

.mock-action .icon {
  width: 11px;
  height: 11px;
  color: var(--muted);
}

.mock-action code {
  font-size: 7px;
  margin-left: auto;
  color: var(--muted);
}

.diff-count {
  font: 9px "Cascadia Code",Consolas,monospace;
  color: var(--green);
  white-space: nowrap;
}

.mock-action .diff-count {
  font-size: 8px;
  margin-left: auto;
}

.mock-finish {
  margin: 12px 0 0 32px;
  display: flex;
  gap: 6px;
  align-items: center;
  font-size: 8px;
  color: var(--muted);
}

.mock-finish .status-dot {
  width: 4px;
  height: 4px;
}

.mock-composer {
  margin: 0 17px 14px;
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  box-shadow: 0 2px 4px var(--shadow);
  font-size: 8px;
  color: var(--muted);
}

.mock-send {
  width: 21px;
  height: 21px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  background: var(--green);
  color: var(--on-accent);
  font-size: 15px;
}

.mock-section-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  font-weight: 600;
  margin-bottom: 16px;
}

.mock-section-heading>span {
  font-size: 7px;
  color: var(--muted);
  font-weight: 400;
}

.mock-timeline {
  list-style: none;
  margin: 0 0 0 6px;
  padding: 0 0 0 20px;
  border-left: 1px solid var(--line);
}

.mock-timeline>li {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-bottom: 14px;
}

.mock-timeline>li::before {
  content: "";
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  left: -24px;
  top: 5px;
  border: 2px solid var(--line);
  box-sizing: content-box;
}

.mock-timeline strong {
  font-size: 9px;
  font-weight: 500;
}

.mock-timeline span,.mock-timeline code {
  font-size: 8px;
  color: var(--muted);
}

.mock-timeline code {
  padding: 4px 6px;
  background: var(--canvas);
  border-radius: 3px;
}

.mock-note {
  color: var(--muted);
  font-size: 8px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
  line-height: 1.8;
}

.mock-file-heading {
  display: flex;
  align-items: center;
  gap: 6px;
  font: 9px Consolas,monospace;
  margin-bottom: 10px;
}

.mock-file-heading .icon {
  width: 12px;
  height: 12px;
}

.mock-file-heading>span {
  font: 7px "Microsoft YaHei",sans-serif;
  margin-left: auto;
  color: var(--muted);
}

.mock-diff {
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--canvas);
  font: 8px/1.9 Consolas,monospace;
  color: var(--green);
  margin-bottom: 12px;
}

.mock-diff .removed {
  color: var(--error);
  background: var(--surface);
}

.mock-diff .context {
  color: var(--muted);
}

.visual-caption {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 25px 2px 0;
  color: var(--muted);
  font-size: 9px;
}

.caption-line {
  width: 22px;
  height: 1px;
  background: var(--green);
}

.visual-caption .mono {
  font-size: 8px;
  letter-spacing: 1px;
  margin-left: auto;
}

.principles {
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 20px;
  padding: 25px 0;
  border-block: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.principles>span {
  display: flex;
  align-items: center;
  gap: 11px;
}

.principles .icon {
  color: var(--muted);
  width: 19px;
  height: 19px;
}

.section {
  padding-block: 100px;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 38px;
}

.section-kicker {
  color: var(--muted);
  letter-spacing: 2px;
  font-size: 9px;
  font-weight: 650;
  margin-bottom: 17px;
}

.section-heading>p {
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
  padding-bottom: 4px;
}

h2 {
  font-size: 34px;
  letter-spacing: -.8px;
  line-height: 1.5;
}

h3 {
  font-size: 19px;
  letter-spacing: -.2px;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 20px;
}

.feature-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 34px 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--paper);
}

.feature-text {
  max-width: 430px;
}

.feature-number {
  display: block;
  color: var(--muted);
  letter-spacing: 1.7px;
  font: 9px Consolas,monospace;
  margin-bottom: 16px;
}

.feature-text h3 {
  margin-bottom: 11px;
}

.feature-text p {
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}

.feature-text code {
  color: var(--green);
  font-size: 12px;
}

.feature-project {
  background: var(--surface);
}

.directory-art {
  margin: 27px 4px 0;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px 10px 0 0;
  padding: 16px 21px 15px;
  font: 12px Consolas,monospace;
  border-bottom: 0;
  box-shadow: 0 -4px 25px var(--shadow);
}

.directory-art>div {
  display: flex;
  align-items: center;
  gap: 9px;
}

.directory-art .icon {
  width: 17px;
  height: 17px;
  color: var(--muted);
}

.directory-art>div>span {
  font: 9px "Microsoft YaHei",sans-serif;
  color: var(--muted);
  margin-left: auto;
}

.directory-art ul {
  margin: 13px 0 0 8px;
  padding: 0;
  list-style: none;
}

.directory-art li {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 33px;
  color: var(--muted);
}

.tree-elbow {
  width: 14px;
  height: 33px;
  border-left: 1px solid var(--line-strong);
  position: relative;
  align-self: flex-start;
}

.tree-elbow::after {
  content: "";
  position: absolute;
  top: 16px;
  left: 0;
  width: 12px;
  height: 1px;
  background: var(--accent-soft);
}

.directory-data {
  color: var(--green)!important;
}

.directory-data small {
  font: 9px "Microsoft YaHei",sans-serif;
  margin-left: 7px;
  color: var(--muted);
}

.directory-data .icon {
  color: var(--muted);
}

.trace-art {
  padding: 12px 0 25px;
  margin-top: auto;
}

.trace-art>div {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 18px;
  font-size: 11px;
  color: var(--muted);
}

.trace-icon {
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  background: var(--surface);
  border-radius: 7px;
  flex-shrink: 0;
}

.trace-icon .icon {
  width: 15px;
  height: 15px;
}

.trace-dashes {
  height: 1px;
  border-top: 1px dashed var(--line);
  flex: 1;
  margin-inline: 6px;
}

.small-tag {
  font-size: 9px;
  color: var(--muted);
}

.feature-trace .diff-count {
  font-size: 10px;
}

.feature-model,.feature-continue {
  padding-bottom: 30px;
}

.model-art {
  display: flex;
  align-items: center;
  margin-top: 28px;
  padding: 5px 0;
}

.model-node {
  border: 1px solid var(--line);
  padding: 10px 15px;
  background: var(--canvas);
  border-radius: 7px;
  white-space: nowrap;
  font-size: 11px;
}

.model-connector {
  height: 1px;
  background: var(--accent-soft);
  flex: 1;
  position: relative;
  min-width: 20px;
}

.model-connector::before {
  content: "";
  width: 6px;
  height: 6px;
  position: absolute;
  right: -1px;
  top: -3px;
  border-right: 1px solid var(--green);
  border-top: 1px solid var(--green);
  transform: rotate(45deg);
}

.model-node-accent {
  background: var(--surface);
  color: var(--green);
  border-color: var(--line);
  display: flex;
  align-items: center;
  gap: 7px;
}

.model-node .icon {
  width: 13px;
  height: 13px;
}

.feature-continue {
  background: var(--surface);
}

.continue-art {
  display: flex;
  align-items: center;
  margin-top: 28px;
  gap: 9px;
  padding: 5px 0;
}

.saved-indicator {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  color: var(--muted);
  white-space: nowrap;
}

.saved-indicator .icon {
  width: 14px;
  height: 14px;
}

.continue-line {
  flex: 1;
  border-top: 1px dashed var(--line-strong);
  min-width: 12px;
}

.continue-bubble {
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 7px;
  font-size: 10px;
  color: var(--muted);
  display: flex;
  gap: 20px;
  align-items: center;
}

.continue-bubble>span {
  background: var(--surface);
  border-radius: 4px;
  width: 20px;
  height: 20px;
  text-align: center;
  color: var(--green);
}

.workflow {
  --muted: var(--inverse-muted);
  --green: var(--inverse-line);
  background: var(--inverse);
  color: var(--on-inverse);
  padding: 76px 0 29px;
  position: relative;
  overflow: hidden;
}

.workflow::after {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  border: 1px solid var(--green);
  border-radius: 50%;
  top: -300px;
  right: -160px;
  pointer-events: none;
  box-shadow: 0 0 0 60px var(--shadow),0 0 0 120px var(--shadow);
}

.workflow .section-heading {
  position: relative;
  z-index: 1;
  margin-bottom: 51px;
}

.workflow .section-kicker {
  color: var(--muted);
}

.workflow .section-heading>p {
  color: var(--muted);
}

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 34px;
  padding: 0;
  margin: 0;
}

.steps>li {
  padding-top: 23px;
  border-top: 1px solid var(--green);
  display: flex;
  flex-direction: column;
}

.step-number {
  font: 12px Consolas,monospace;
  color: var(--muted);
  letter-spacing: 1px;
  margin-bottom: 22px;
}

.steps h3 {
  font-size: 17px;
  margin-bottom: 13px;
}

.steps p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.95;
  max-width: 225px;
  margin-bottom: 25px;
}

.step-foot {
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--muted);
  margin-top: auto;
}

.workflow-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 55px;
  padding-top: 20px;
  border-top: 1px solid var(--green);
  font-size: 10px;
  color: var(--muted);
}

.workflow-note .status-dot {
  background: var(--green);
  width: 5px;
  height: 5px;
}

.deployment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  margin-top: 42px;
}

.deployment-card {
  display: flex;
  gap: 22px;
}

.deployment-icon {
  height: 54px;
  width: 54px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--muted);
  background: var(--surface);
}

.deployment-icon .icon {
  width: 25px;
  height: 25px;
}

.small-label {
  font: 8px Consolas,monospace;
  letter-spacing: 1.5px;
  color: var(--muted);
  display: block;
  margin-bottom: 9px;
}

.deployment-card h3 {
  margin-bottom: 12px;
}

.deployment-card p {
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 360px;
}

.deployment-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.deployment-tags span {
  font-size: 9px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
}

.section-note {
  font-size: 10px;
  color: var(--muted);
  margin: 40px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.roadmap-section {
  background: var(--surface);
  padding: 74px 0;
}

.roadmap-layout {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 100px;
}

.roadmap-intro>p:not(.section-kicker) {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
  margin-top: 21px;
}

.roadmap-intro .text-link {
  font-size: 12px;
  margin-top: 28px;
}

.roadmap-intro .icon {
  width: 16px;
  height: 16px;
}

.roadmap-list {
  padding-top: 6px;
}

.roadmap-item {
  display: flex;
  gap: 22px;
  position: relative;
  padding-bottom: 30px;
}

.roadmap-item:last-child {
  padding-bottom: 0;
}

.roadmap-item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 13px;
  bottom: -2px;
  width: 1px;
  background: var(--accent-soft);
}

.roadmap-marker {
  width: 11px;
  height: 11px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface);
  flex-shrink: 0;
  margin-top: 7px;
  z-index: 1;
}

.roadmap-marker.current {
  background: var(--green);
  border-color: var(--green);
  box-shadow: 0 0 0 5px var(--shadow);
}

.roadmap-item-title {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 8px;
}

.roadmap-item h3 {
  font-size: 15px;
}

.pill {
  display: inline-block;
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: 8px;
  line-height: 1.8;
  white-space: nowrap;
  color: var(--muted);
}

.pill-green {
  color: var(--green);
  background: var(--accent-soft);
  border-color: var(--line-strong);
}

.roadmap-item p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.85;
  max-width: 480px;
}

.download-section {
  padding-bottom: 90px;
}

.download-heading {
  text-align: center;
}

.download-heading .section-kicker {
  margin-bottom: 14px;
}

.download-heading h2 {
  font-size: 36px;
}

.download-heading>p:not(.section-kicker) {
  font-size: 13px;
  color: var(--muted);
  margin-top: 12px;
}

.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 10px Consolas,monospace;
  border: 1px solid var(--line);
  padding: 6px 10px;
  border-radius: 30px;
  margin-top: 23px;
  color: var(--muted);
  background: var(--surface);
}

.version-badge .status-dot {
  width: 5px;
  height: 5px;
}

.version-channel {
  font: 9px "Microsoft YaHei",sans-serif;
  border-left: 1px solid var(--line-strong);
  padding-left: 8px;
}

.release-summary {
  text-align: center;
  color: var(--muted);
  font-size: 11px;
  margin: 18px 0 30px;
}

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

.download-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
  padding: 27px 27px 19px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.platform-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 25px;
}

.platform-icon {
  width: 31px;
  height: 31px;
  fill: var(--ink);
  flex-shrink: 0;
}

.linux-icon {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.platform-heading h3 {
  font-size: 20px;
  letter-spacing: -.4px;
}

.platform-heading p {
  font-size: 10px;
  color: var(--muted);
  margin-top: 3px;
}

.download-card label {
  font-size: 9px;
  color: var(--muted);
  margin-bottom: 7px;
}

.download-card select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--canvas);
  min-height: 42px;
  padding: 9px 10px;
  font-size: 11px;
  color: var(--muted);
  cursor: pointer;
}

.platform-note {
  font-size: 11px;
  line-height: 1.9;
  color: var(--muted);
  margin: 16px 0 22px;
  min-height: 63px;
}

.download-action {
  margin-top: auto;
}

.download-card .button {
  width: 100%;
  font-size: 12px;
  min-height: 44px;
}

.button-unavailable {
  background: var(--surface);
  color: var(--muted);
  border: 1px solid var(--line);
}

.download-meta {
  font-size: 9px;
  text-align: center;
  color: var(--muted);
  margin-top: 11px;
  overflow-wrap: anywhere;
}

.checksum {
  margin-top: 14px;
  font-size: 10px;
  color: var(--muted);
}

.checksum summary {
  cursor: pointer;
  min-height: 28px;
  padding-top: 3px;
}

.checksum code {
  display: block;
  font-size: 10px;
  overflow-wrap: anywhere;
  line-height: 1.8;
  background: var(--canvas);
  border-radius: 4px;
  padding: 8px;
  margin-top: 5px;
}

.download-footnote {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  color: var(--muted);
  margin-top: 26px;
}

.download-footnote .icon {
  width: 13px;
  height: 13px;
}

.noscript-note {
  text-align: center;
  padding: 14px;
  color: var(--muted);
  font-size: 12px;
}

.faq-section {
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 100px;
  padding-top: 76px;
  padding-bottom: 85px;
}

.faq-list>details {
  border-bottom: 1px solid var(--line);
  padding-block: 3px;
}

.faq-list>details:first-child {
  margin-top: -15px;
}

.faq-list summary {
  cursor: pointer;
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  list-style: none;
  font-size: 13px;
  font-weight: 550;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-plus {
  width: 12px;
  height: 12px;
  position: relative;
  flex-shrink: 0;
  color: var(--muted);
}

.faq-plus::before,.faq-plus::after {
  content: "";
  position: absolute;
  top: 5px;
  left: 0;
  width: 12px;
  height: 1px;
  background: currentColor;
}

.faq-plus::after {
  transform: rotate(90deg);
}

details[open] .faq-plus::after {
  transform: rotate(0);
}

.faq-list details>p {
  font-size: 12px;
  line-height: 2;
  color: var(--muted);
  padding-bottom: 20px;
  max-width: 550px;
}

.faq-list code {
  color: var(--muted);
  font-size: 11px;
  overflow-wrap: anywhere;
}

.closing {
  background: var(--accent-soft);
  min-height: 159px;
  display: flex;
  align-items: center;
  gap: 23px;
  padding: 35px 45px;
  border-radius: 14px;
  margin-bottom: 75px;
  position: relative;
  overflow: hidden;
}

.closing h2 {
  font-size: 27px;
}

.closing .text-link {
  margin-left: auto;
  font-size: 12px;
  z-index: 1;
}

.closing .icon {
  width: 17px;
  height: 17px;
}

.closing-star {
  position: absolute;
  color: var(--muted);
  font-size: 180px;
  line-height: 1;
  right: 0;
  top: -20px;
  pointer-events: none;
}

.closing>*:not(.closing-star) {
  position: relative;
  z-index: 1;
}

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 25px;
  min-height: 104px;
}

.site-footer .brand>span:first-of-type {
  font-size: 21px;
}

.site-footer .brand-chinese {
  font-size: 10px;
  padding-left: 12px;
  margin-left: 3px;
}

.footer-inner p {
  font-size: 10px;
  color: var(--muted);
}

.footer-inner>a:not(.brand) {
  font-size: 11px;
  margin-left: auto;
  color: var(--muted);
}

.copyright {
  font-size: 9px;
  color: var(--muted);
}

@media(min-width:1600px) {
  .hero {
    min-height: 680px;
    gap: 60px;
  }
  h1 {
    font-size: 49px;
  }
  .hero-lead {
    font-size: 16px;
  }
}

@media(max-width:1180px) {
  .container {
    width: calc(100% - 72px);
  }
  .main-nav {
    gap: 20px;
  }
  .brand-chinese {
    font-size: 10px;
    padding-left: 12px;
    margin-left: 2px;
  }
  .hero {
    gap: 27px;
    min-height: 570px;
  }
  .hero-lead {
    font-size: 13px;
  }
  .hero-actions {
    gap: 19px;
  }
  .hero-points {
    gap: 11px;
    font-size: 9px;
  }
  .workbench-body {
    grid-template-columns: 96px minmax(0,1fr);
  }
  .mock-project {
    font-size: 8px;
  }
  .mock-chat {
    font-size: 7px;
    padding-inline: 4px;
  }
  .demo-tabs {
    gap: 13px;
    padding-inline: 12px;
  }
  .demo-panel {
    padding: 16px 12px 12px;
  }
  .mock-action {
    margin-left: 0;
  }
  .mock-action code {
    font-size: 6.5px;
  }
  .mock-finish {
    margin-left: 0;
    font-size: 7px;
  }
  .mock-user {
    margin-left: 22px;
  }
  .mock-answer p {
    font-size: 7.5px;
  }
  .mock-composer {
    margin-inline: 12px;
  }
  .roadmap-layout,.faq-section {
    gap: 65px;
  }
  .feature-card {
    padding-inline: 27px;
  }
  .download-card {
    padding-inline: 23px;
  }
  .footer-inner {
    gap: 20px;
  }
  .footer-inner p {
    display: none;
  }
}

@media(max-width:960px) {
  .container {
    width: calc(100% - 56px);
  }
  .header-inner {
    min-height: 74px;
    gap: 16px;
  }
  .brand-chinese {
    display: none;
  }
  .main-nav {
    gap: 18px;
    font-size: 11px;
  }
  .button-small {
    min-height: 38px;
  }
  .hero {
    gap: 42px;
    grid-template-columns: 1fr;
    padding-top: 58px;
    padding-bottom: 44px;
  }
  .hero-copy {
    text-align: center;
    padding-bottom: 0;
  }
  .eyebrow {
    justify-content: center;
    margin-bottom: 20px;
  }
  h1 {
    font-size: 46px;
    line-height: 1.45;
  }
  .hero-lead {
    font-size: 15px;
    margin-top: 22px;
  }
  .hero-actions,.hero-points {
    justify-content: center;
  }
  .hero-points {
    font-size: 10px;
    gap: 22px;
    margin-top: 23px;
  }
  .hero-actions {
    margin-top: 25px;
  }
  .hero-visual {
    max-width: 660px;
    width: 100%;
    justify-self: center;
    padding-top: 0;
  }
  .workbench {
    transform: rotate(0);
  }
  .workbench-body {
    grid-template-columns: 140px minmax(0,1fr);
    min-height: 390px;
  }
  .mock-sidebar {
    padding: 22px 13px 15px;
  }
  .mock-brand {
    font-size: 18px;
  }
  .mock-project {
    font-size: 10px;
  }
  .mock-chat {
    font-size: 9px;
    padding: 9px 8px;
  }
  .mock-label {
    font-size: 9px;
  }
  .demo-tabs {
    height: 49px;
    padding-inline: 22px;
    gap: 28px;
  }
  .demo-tabs button {
    font-size: 11px;
  }
  .demo-panel {
    padding: 22px 22px 16px;
    min-height: 275px;
  }
  .mock-user {
    font-size: 11px;
    max-width: 280px;
    margin-left: auto;
  }
  .mock-answer {
    font-size: 11px;
    gap: 10px;
  }
  .mock-answer p {
    font-size: 10px;
    max-width: 310px;
  }
  .mock-action {
    font-size: 9px;
    margin-left: 34px;
  }
  .mock-action code {
    font-size: 9px;
  }
  .mock-action .diff-count {
    font-size: 9px;
  }
  .mock-finish {
    font-size: 9px;
    margin-left: 34px;
  }
  .mock-composer {
    margin: 0 22px 18px;
    margin-top: auto;
    font-size: 10px;
  }
  .mock-section-heading {
    font-size: 12px;
  }
  .mock-section-heading>span {
    font-size: 9px;
  }
  .mock-timeline strong {
    font-size: 11px;
  }
  .mock-timeline span,.mock-timeline code {
    font-size: 10px;
  }
  .mock-note {
    font-size: 10px;
  }
  .mock-file-heading {
    font-size: 11px;
  }
  .mock-diff {
    font-size: 10px;
    line-height: 1.8;
  }
  .principles {
    font-size: 10px;
    padding-block: 22px;
    gap: 10px;
  }
  .principles>span {
    gap: 7px;
  }
  .principles .icon {
    width: 16px;
    height: 16px;
  }
  .section {
    padding-block: 75px;
  }
  h2 {
    font-size: 30px;
  }
  .section-heading {
    gap: 24px;
  }
  .section-heading>p {
    font-size: 11px;
  }
  .feature-card {
    padding: 27px 25px 0;
  }
  .feature-text p {
    font-size: 12px;
  }
  .feature-text h3 {
    font-size: 18px;
  }
  .feature-model,.feature-continue {
    padding-bottom: 25px;
  }
  .directory-art {
    margin-inline: 0;
    padding-inline: 14px;
    font-size: 11px;
  }
  .directory-data small {
    font-size: 8px;
    margin-left: 0;
  }
  .continue-bubble {
    gap: 8px;
    padding-inline: 8px;
    font-size: 9px;
  }
  .model-node {
    font-size: 10px;
    padding-inline: 10px;
  }
  .saved-indicator {
    font-size: 9px;
  }
  .steps {
    gap: 23px;
  }
  .steps h3 {
    font-size: 15px;
  }
  .steps p {
    font-size: 11px;
  }
  .deployment-grid {
    gap: 33px;
  }
  .deployment-card {
    gap: 14px;
  }
  .deployment-icon {
    width: 45px;
    height: 45px;
    border-radius: 12px;
  }
  .deployment-card p {
    font-size: 12px;
  }
  .deployment-tags {
    gap: 5px;
  }
  .deployment-tags span {
    font-size: 8px;
  }
  .roadmap-layout,.faq-section {
    gap: 50px;
    grid-template-columns: .7fr 1.3fr;
  }
  .download-card {
    padding: 24px 18px 17px;
  }
  .platform-heading {
    gap: 10px;
  }
  .platform-heading h3 {
    font-size: 18px;
  }
  .platform-heading p {
    font-size: 9px;
  }
  .download-card select {
    font-size: 10px;
  }
  .platform-note {
    min-height: 84px;
    font-size: 10px;
  }
  .download-heading h2 {
    font-size: 32px;
  }
  .closing {
    padding: 30px;
    gap: 17px;
  }
  .closing h2 {
    font-size: 23px;
  }
  .closing>img {
    width: 38px;
    height: 38px;
  }
  .closing .text-link {
    font-size: 10px;
    gap: 8px;
  }
  .site-footer .brand-chinese {
    display: inline-block;
  }
}

@media(max-width:700px) {
  html {
    scroll-padding-top: 88px;
  }
  .container {
    width: calc(100% - 40px);
  }
  .header-inner {
    min-height: 70px;
    flex-wrap: wrap;
    gap: 0;
  }
  .brand>img {
    width: 30px;
    height: 30px;
  }
  .brand>span:first-of-type {
    font-size: 24px;
  }
  .brand-chinese {
    display: inline-block;
    font-size: 10px;
    margin-left: 0;
    padding-left: 10px;
  }
  .main-nav {
    width: 100%;
    gap: 13px;
    padding-bottom: 15px;
    justify-content: space-between;
    flex-wrap: wrap;
    font-size: 12px;
  }
  .main-nav .button {
    padding: 7px 12px;
    font-size: 10px;
    gap: 8px;
  }
  .js .menu-toggle {
    display: flex;
    width: 42px;
    height: 42px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: transparent;
    margin-left: auto;
  }
  .menu-toggle span {
    width: 17px;
    height: 1px;
    background: var(--green);
    transition: transform .18s;
  }
  .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);
  }
  .js .main-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 70px;
    width: auto;
    background: var(--paper);
    padding: 17px 20px 24px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 20px var(--shadow);
    gap: 0;
  }
  .js .main-nav.is-open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }
  .js .main-nav>a:not(.button) {
    padding: 12px 8px;
    min-height: 44px;
  }
  .js .main-nav>.button {
    margin-top: 9px;
    min-height: 44px;
  }
  .hero {
    padding-top: 40px;
    gap: 35px;
    padding-bottom: 33px;
  }
  .eyebrow {
    font-size: 10px;
    letter-spacing: 1.6px;
    margin-bottom: 18px;
  }
  h1 {
    font-size: clamp(29px,6.9vw,43px);
    letter-spacing: -1px;
    line-height: 1.6;
  }
  .hero-lead {
    font-size: 13px;
    margin-top: 18px;
  }
  .hero-actions {
    gap: 22px;
    margin-top: 24px;
  }
  .hero-actions .button {
    font-size: 12px;
    min-height: 46px;
    padding-inline: 20px;
  }
  .hero-actions .text-link {
    font-size: 12px;
    gap: 8px;
  }
  .hero-points {
    gap: 16px;
    font-size: 9px;
    margin-top: 23px;
  }
  .orbit-label {
    font-size: 7px;
    letter-spacing: 1.1px;
    margin-bottom: 9px;
  }
  .tiny-cross {
    font-size: 15px;
  }
  .workbench {
    border-radius: 10px;
    box-shadow: 0 16px 32px -18px var(--shadow);
  }
  .window-bar {
    height: 30px;
    padding-inline: 10px;
    font-size: 7px;
  }
  .window-dots {
    min-width: 37px;
  }
  .window-dots i {
    width: 5px;
    height: 5px;
  }
  .workbench-body {
    grid-template-columns: 92px minmax(0,1fr);
    min-height: 335px;
  }
  .mock-sidebar {
    padding: 16px 7px 10px;
  }
  .mock-brand {
    font-size: 15px;
    gap: 5px;
    margin-bottom: 15px;
  }
  .mock-brand img {
    width: 19px;
    height: 19px;
  }
  .mock-project {
    font-size: 7px;
    gap: 3px;
    padding-inline: 4px;
  }
  .mock-project .icon {
    width: 10px;
    height: 10px;
  }
  .mock-chat {
    font-size: 6.5px;
    padding: 8px 4px;
  }
  .mock-label {
    font-size: 7px;
    margin-left: 4px;
  }
  .mock-sidebar-bottom {
    font-size: 8px;
  }
  .demo-tabs {
    gap: 16px;
    height: 40px;
    padding-inline: 12px;
  }
  .demo-tabs button {
    font-size: 8px;
  }
  .demo-tabs button>span {
    font-size: 6px;
  }
  .demo-panel {
    padding: 15px 12px 10px;
    min-height: 247px;
  }
  .mock-user {
    font-size: 9px;
    padding: 9px 11px;
    margin-bottom: 15px;
    margin-left: 15px;
    max-width: none;
  }
  .mock-answer {
    font-size: 9px;
    gap: 7px;
    margin-bottom: 9px;
  }
  .mock-answer img {
    width: 21px;
    height: 21px;
  }
  .mock-answer p {
    font-size: 8px;
  }
  .mock-action {
    font-size: 8px;
    margin-left: 0;
    min-height: 29px;
    gap: 4px;
  }
  .mock-action code {
    font-size: 7px;
  }
  .mock-action .diff-count {
    font-size: 7px;
  }
  .mock-finish {
    font-size: 7px;
    margin-left: 0;
    gap: 4px;
  }
  .mock-composer {
    margin: 0 12px 12px;
    margin-top: auto;
    font-size: 8px;
    padding: 7px 9px;
  }
  .mock-send {
    width: 19px;
    height: 19px;
  }
  .mock-section-heading {
    font-size: 9px;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 3px;
  }
  .mock-section-heading>span {
    font-size: 7px;
  }
  .mock-timeline strong {
    font-size: 9px;
  }
  .mock-timeline span,.mock-timeline code {
    font-size: 8px;
  }
  .mock-timeline>li {
    padding-bottom: 12px;
  }
  .mock-note {
    font-size: 8px;
  }
  .mock-file-heading {
    font-size: 9px;
  }
  .mock-diff {
    font-size: 8px;
  }
  .visual-caption {
    font-size: 8px;
    margin-top: 17px;
  }
  .visual-caption .mono {
    font-size: 7px;
  }
  .principles {
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-items: center;
    row-gap: 17px;
    font-size: 10px;
    padding-block: 22px;
  }
  .principles>span {
    width: 140px;
    gap: 11px;
  }
  .section {
    padding-block: 57px;
  }
  h2 {
    font-size: 28px;
    line-height: 1.5;
  }
  .section-kicker {
    font-size: 8px;
    letter-spacing: 1.5px;
    margin-bottom: 13px;
  }
  .section-heading {
    display: block;
    margin-bottom: 26px;
  }
  .section-heading>p {
    font-size: 12px;
    margin-top: 18px;
    line-height: 1.9;
  }
  .section-heading>p>br {
    display: none;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .feature-card {
    padding: 27px 27px 0;
    border-radius: 14px;
  }
  .feature-text {
    max-width: none;
  }
  .feature-text h3 {
    font-size: 19px;
  }
  .feature-text p {
    font-size: 12px;
  }
  .feature-number {
    font-size: 9px;
    margin-bottom: 13px;
  }
  .directory-art {
    margin-top: 22px;
    padding-inline: 18px;
  }
  .directory-data small {
    font-size: 9px;
    margin-left: 8px;
  }
  .trace-art {
    padding-top: 4px;
    padding-bottom: 24px;
  }
  .trace-art>div {
    padding-top: 16px;
  }
  .feature-model,.feature-continue {
    padding-bottom: 26px;
  }
  .model-art,.continue-art {
    margin-top: 22px;
  }
  .model-node {
    padding: 10px 14px;
    font-size: 11px;
  }
  .saved-indicator,.continue-bubble {
    font-size: 10px;
  }
  .continue-bubble {
    gap: 13px;
    padding-inline: 12px;
  }
  .workflow {
    padding: 53px 0 25px;
  }
  .workflow .section-heading {
    margin-bottom: 30px;
  }
  .workflow .section-heading>p {
    font-size: 12px;
    max-width: 300px;
  }
  .steps {
    grid-template-columns: 1fr 1fr;
    column-gap: 25px;
    row-gap: 32px;
  }
  .steps>li {
    padding-top: 17px;
  }
  .step-number {
    margin-bottom: 16px;
    font-size: 11px;
  }
  .steps h3 {
    font-size: 16px;
    margin-bottom: 10px;
  }
  .steps p {
    font-size: 11px;
    margin-bottom: 17px;
  }
  .step-foot {
    font-size: 8px;
    letter-spacing: 0;
  }
  .workflow-note {
    margin-top: 32px;
    align-items: flex-start;
    line-height: 1.85;
    font-size: 9px;
  }
  .workflow-note .status-dot {
    margin-top: 6px;
  }
  .deployment-grid {
    grid-template-columns: 1fr;
    gap: 35px;
    margin-top: 29px;
  }
  .deployment-card {
    gap: 20px;
  }
  .deployment-icon {
    width: 47px;
    height: 47px;
  }
  .deployment-card p {
    max-width: none;
  }
  .deployment-tags span {
    font-size: 9px;
  }
  .section-note {
    font-size: 10px;
    margin-top: 28px;
    line-height: 1.9;
  }
  .roadmap-section {
    padding: 52px 0;
  }
  .roadmap-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .roadmap-intro>p:not(.section-kicker) {
    font-size: 12px;
    margin-top: 14px;
  }
  .roadmap-intro>p:not(.section-kicker)>br {
    display: none;
  }
  .roadmap-intro .text-link {
    margin-top: 12px;
  }
  .roadmap-list {
    padding-left: 6px;
  }
  .roadmap-item {
    gap: 20px;
    padding-bottom: 27px;
  }
  .roadmap-item h3 {
    font-size: 15px;
  }
  .roadmap-item p {
    font-size: 12px;
  }
  .download-heading h2 {
    font-size: 27px;
    letter-spacing: -1px;
  }
  .download-heading>p:not(.section-kicker) {
    font-size: 12px;
    margin-top: 13px;
  }
  .version-badge {
    margin-top: 18px;
  }
  .release-summary {
    font-size: 10px;
    line-height: 1.9;
    margin: 16px auto 25px;
    max-width: 295px;
  }
  .download-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .download-card {
    padding: 26px 27px 20px;
    border-radius: 13px;
  }
  .platform-heading {
    margin-bottom: 19px;
    gap: 14px;
  }
  .platform-heading h3 {
    font-size: 21px;
  }
  .platform-heading p {
    font-size: 10px;
  }
  .download-card label {
    font-size: 10px;
  }
  .download-card select {
    font-size: 12px;
    min-height: 44px;
  }
  .platform-note {
    font-size: 11px;
    min-height: 0;
    margin: 15px 0 20px;
  }
  .download-card .button {
    font-size: 13px;
    min-height: 46px;
  }
  .download-meta {
    font-size: 10px;
  }
  .download-footnote {
    font-size: 9px;
    align-items: flex-start;
    line-height: 1.9;
    margin-top: 21px;
    gap: 6px;
  }
  .download-footnote .icon {
    margin-top: 2px;
  }
  .faq-section {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .faq-list summary {
    font-size: 12px;
    padding-block: 17px;
  }
  .faq-list details>p {
    font-size: 11px;
    line-height: 2;
  }
  .closing {
    min-height: 0;
    padding: 29px 25px;
    gap: 13px;
    flex-wrap: wrap;
    margin-bottom: 45px;
    border-radius: 12px;
  }
  .closing h2 {
    font-size: 22px;
    letter-spacing: -.7px;
  }
  .closing>img {
    width: 34px;
    height: 34px;
  }
  .closing .text-link {
    margin-left: 47px;
    flex-basis: 100%;
    font-size: 11px;
    justify-content: flex-start;
    padding-block: 0;
  }
  .closing-star {
    font-size: 150px;
    right: -30px;
    top: 5px;
  }
  .footer-inner {
    min-height: 142px;
    gap: 16px;
    flex-wrap: wrap;
    padding-block: 26px;
  }
  .footer-inner .brand {
    flex-basis: 100%;
  }
  .site-footer .brand-chinese {
    font-size: 10px;
  }
  .footer-inner>a:not(.brand) {
    margin-left: 0;
    font-size: 10px;
  }
  .copyright {
    font-size: 9px;
    margin-left: auto;
  }
}

@media(max-width:380px) {
  .container {
    width: calc(100% - 32px);
  }
  .brand-chinese {
    font-size: 9px;
    letter-spacing: 0;
  }
  h1 {
    font-size: 28px;
  }
  .hero-lead {
    font-size: 12px;
  }
  .hero-points {
    font-size: 8px;
    gap: 12px;
  }
  .workbench-body {
    grid-template-columns: minmax(0,1fr);
  }
  .mock-sidebar {
    display: none;
  }
  .demo-tabs {
    gap: 24px;
    padding-inline: 16px;
  }
  .demo-tabs button {
    font-size: 10px;
  }
  .demo-panel {
    padding: 15px 16px 12px;
    min-height: 258px;
  }
  .mock-user {
    margin-left: 40px;
  }
  .mock-answer p {
    font-size: 9px;
  }
  .mock-action {
    margin-left: 28px;
    font-size: 9px;
  }
  .mock-action code {
    font-size: 8px;
  }
  .mock-finish {
    margin-left: 28px;
  }
  .mock-composer {
    margin-inline: 16px;
  }
  .mock-diff {
    font-size: 10px;
  }
  .mock-section-heading {
    font-size: 11px;
  }
  .mock-timeline strong {
    font-size: 10px;
  }
  .mock-timeline span,.mock-timeline code {
    font-size: 9px;
  }
  .download-heading h2 {
    font-size: 23px;
  }
  .closing {
    padding-inline: 20px;
  }
  .closing h2 {
    font-size: 19px;
  }
  .feature-card {
    padding-inline: 22px;
  }
  .directory-data small {
    font-size: 8px;
  }
  .model-node {
    font-size: 10px;
    padding-inline: 9px;
  }
  .continue-bubble {
    font-size: 9px;
    padding-inline: 8px;
    gap: 8px;
  }
  .saved-indicator {
    font-size: 9px;
  }
}

@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior: auto;
  }
  *,*::before,*::after {
    transition: none!important;
    animation: none!important;
  }
}

@media print {
  .site-header {
    position: static;
  }
  .menu-toggle,.hero-actions,.closing,.download-action,.site-footer,.orbit-label,.visual-caption {
    display: none!important;
  }
  .main-nav {
    display: none!important;
  }
  .container {
    width: 100%;
  }
  .hero {
    min-height: 0;
    display: block;
    padding-block: 20px;
  }
  .hero-visual {
    max-width: 500px;
    margin: 20px auto;
  }
  .hero-copy {
    text-align: center;
  }
  .eyebrow,.hero-points {
    justify-content: center;
  }
  .section,.workflow,.roadmap-section {
    padding-block: 30px;
  }
  .feature-card,.download-card,.roadmap-item {
    break-inside: avoid;
  }
  .workflow {
    color: var(--green);
    background: var(--surface);
  }
  .workflow .section-heading>p,.steps p,.step-foot,.workflow-note {
    color: var(--muted);
  }
  .faq-list details>p {
    display: block;
  }
  h2 {
    font-size: 25px;
  }
}