:root {
  --ink: #16202a;
  --muted: #637080;
  --line: #e0e7ee;
  --soft: #f5f8fa;
  --accent: #235caf;
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI",
    "PingFang SC", sans-serif;
  font-synthesis: none;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
}
* {
  box-sizing: border-box;
}
[hidden] {
  display: none !important;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 35px;
}
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  line-height: 1.7;
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
  color: inherit;
}
button,
a {
  touch-action: manipulation;
}
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
.icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}
.container {
  max-width: 1320px;
  margin: auto;
  padding-inline: 48px;
}
.site-header {
  position: relative;
  z-index: 5;
  background: #fff;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 104px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 21px;
  font-weight: 640;
  letter-spacing: -0.65px;
  white-space: nowrap;
  margin-right: auto;
}
.brand > .icon {
  width: 33px;
  height: 33px;
}
.brand strong {
  font-weight: 750;
  color: var(--accent);
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
}
.site-header nav a:hover {
  color: var(--accent);
}
.languages {
  display: flex;
  gap: 2px;
  padding-left: 18px;
  border-left: 1px solid var(--line);
}
.languages button {
  min-height: 44px;
  min-width: 39px;
  border: 0;
  background: none;
  font-size: 13px;
}
.languages [aria-pressed="true"] {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 7px;
}
.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: none;
}
.hero {
  text-align: center;
  padding-top: 68px;
  padding-bottom: 52px;
}
.eyebrow {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: #64758a;
}
.hero h1 {
  font-size: clamp(54px, 6.6vw, 89px);
  line-height: 1.13;
  letter-spacing: -0.065em;
  margin: 30px 0;
}
.hero-description {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
  white-space: pre-line;
}
.install-command {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  width: fit-content;
  max-width: 100%;
  margin: 32px auto 0;
  padding: 7px 8px 7px 25px;
  border: 1px solid #d0d9e2;
  border-radius: 40px;
  background: #f8fafb;
  box-shadow: 0 6px 18px #273c5305;
}
.install-command code {
  font:
    14px/1.7 ui-monospace,
    SFMono-Regular,
    Consolas,
    monospace;
}
.install-command button,
.code-block button {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 0;
  border-radius: 30px;
  padding: 11px 19px;
  min-height: 44px;
  background: var(--ink);
  color: white;
  font-size: 12px;
}
.install-command button .icon,
.code-block button .icon {
  width: 17px;
  height: 17px;
  filter: invert(1);
}
.hero-links {
  margin-top: 20px;
  display: flex;
  gap: 25px;
  justify-content: center;
  align-items: center;
}
.text-link {
  text-decoration: underline;
  text-underline-offset: 5px;
  font-size: 14px;
}
.hero-links > span {
  font-size: 11px;
  color: var(--muted);
}
.demo-section {
  position: relative;
  padding: 12px 0 58px;
}
.landscape {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.72;
  pointer-events: none;
}
.demo-container {
  position: relative;
  max-width: 1110px;
}
.demo-tabs {
  display: flex;
  max-width: 590px;
  margin: 0 auto 35px;
  border: 1px solid var(--line);
  padding: 5px;
  border-radius: 40px;
  background: #ffffffeb;
}
.demo-tabs button {
  flex: 1;
  border: 0;
  border-radius: 30px;
  min-height: 44px;
  padding: 8px 15px;
  background: none;
  font-size: 14px;
  color: #627288;
}
.demo-tabs [aria-selected="true"] {
  background: #e6eefb;
  color: #225397;
  font-weight: 600;
}
.demo-window {
  max-width: 850px;
  margin: auto;
  border: 1px solid #d0dce5;
  border-radius: 21px;
  background: #fff;
  box-shadow: 0 25px 60px #2c475a20;
  overflow: hidden;
}
.demo-topbar {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 18px 27px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  font-weight: 600;
}
.demo-topbar > .icon {
  width: 21px;
  height: 21px;
}
.demo-label {
  margin-left: auto;
  color: #6c7988;
  font-size: 10px;
  font-weight: 400;
}
.demo-panel {
  padding: 32px 40px;
  min-height: 382px;
  background: #fbfcfd;
}
.message {
  border-radius: 16px;
  padding: 17px 21px;
  max-width: 85%;
  font-size: 14px;
  line-height: 1.8;
}
.message-label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  color: #5d6d7c;
  margin-bottom: 8px;
}
.user-message {
  background: #eaf1fd;
  margin-left: auto;
  margin-bottom: 18px;
}
.agent-message {
  border: 1px solid var(--line);
  background: #fff;
  margin-top: 22px;
}
.message-status {
  font-size: 11px !important;
  color: #65788a;
  margin-top: 16px;
  padding-top: 13px;
  border-top: 1px solid var(--line);
}
.demo-foot {
  text-align: center;
  color: #5e7080;
  font-size: 11px;
  margin: 25px 0 0;
}
.section {
  padding-top: 95px;
  padding-bottom: 95px;
}
.section-intro {
  text-align: center;
  max-width: 850px;
  margin: 0 auto 55px;
}
.section-intro .eyebrow {
  margin-bottom: 20px;
}
h2 {
  font-size: clamp(33px, 4vw, 50px);
  font-weight: 660;
  line-height: 1.25;
  letter-spacing: -0.04em;
  white-space: pre-line;
}
.section-intro > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
  margin: 22px auto 0;
  max-width: 650px;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
}
.steps article {
  position: relative;
  border-top: 1px solid var(--line);
  padding: 27px 0;
}
.steps .icon {
  width: 33px;
  height: 33px;
  margin-bottom: 24px;
}
.step-number {
  font:
    11px/1.5 ui-monospace,
    SFMono-Regular,
    monospace;
  color: #7a8ba0;
  letter-spacing: 0.1em;
}
.steps .step-number {
  position: absolute;
  top: 29px;
  right: 0;
}
.steps h3,
.feature-list h3,
.path h3 {
  font-size: 21px;
  letter-spacing: -0.025em;
  line-height: 1.4;
  margin: 0 0 14px;
}
.steps p,
.feature-list p,
.path p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}
.feishu-section {
  background: var(--soft);
}
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
}
.split .eyebrow {
  margin-bottom: 20px;
}
.section-description {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
  margin: 25px 0;
}
.feature-list article {
  padding: 25px 0;
  border-top: 1px solid #d9e1e7;
}
.feature-list article:first-child {
  border: 0;
  padding-top: 0;
}
.integrations {
  text-align: center;
}
.integration-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  text-align: left;
  margin: 0 auto 36px;
  max-width: 1000px;
}
.integration-columns > div + div {
  padding-left: 70px;
  border-left: 1px solid var(--line);
}
.integration-columns h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 23px;
}
.integration-columns ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.integration-columns li {
  border: 1px solid var(--line);
  background: #fafbfc;
  padding: 12px 18px;
  border-radius: 9px;
  font-size: 14px;
}
.get-started {
  background: #f5f7fa;
}
.path-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.path {
  display: block;
  background: #fff;
  border: 1px solid var(--line);
  padding: 32px;
  border-radius: 19px;
  transition:
    transform 0.18s ease,
    border-color 0.18s ease;
}
.path:hover {
  transform: translateY(-4px);
  border-color: #8faad0;
}
.path h3 {
  margin-top: 25px;
}
.path .icon {
  margin-top: 35px;
  width: 22px;
  height: 22px;
}
.faq {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
}
.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
}
.faq-list details:first-child {
  padding-top: 0;
}
.faq-list summary {
  font-size: 17px;
  font-weight: 550;
  cursor: pointer;
}
.faq-list p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
  margin-top: 20px;
}
.final-cta {
  text-align: center;
  background: #f6f9fc;
}
.final-cta .icon {
  margin: 0 auto 28px;
  width: 42px;
  height: 42px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 40px;
  min-height: 55px;
  padding: 12px 32px;
  border: 1px solid var(--ink);
  font-size: 16px;
}
.primary {
  background: var(--ink);
  color: white;
}
.final-cta .button {
  margin-top: 30px;
}
.site-footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 27px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.footer-inner p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
}
.footer-inner nav {
  display: flex;
  gap: 28px;
  font-size: 13px;
}
.credit {
  color: #6c7a87;
  font-size: 10px;
  margin-top: 35px;
}
.credit a {
  text-decoration: underline;
}
.docs {
  max-width: 1030px;
  padding-top: 65px;
  padding-bottom: 85px;
}
.docs h1 {
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.2;
  letter-spacing: -0.04em;
  margin: 23px 0 30px;
}
.docs .lede {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
  max-width: 750px;
}
.docs section {
  margin-top: 65px;
}
.docs h2 {
  font-size: 30px;
  margin: 18px 0;
}
.docs section > p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}
.code-block {
  position: relative;
  margin: 23px 0;
  padding: 27px;
  background: #f3f6f9;
  border: 1px solid var(--line);
  border-radius: 15px;
}
.code-block pre {
  margin: 0 0 25px;
  overflow-x: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font:
    14px/2 ui-monospace,
    SFMono-Regular,
    monospace;
}
.code-block button {
  margin-left: auto;
}
.docs-links {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.docs-links a {
  text-decoration: underline;
  text-underline-offset: 4px;
  font-size: 15px;
}
.skip {
  position: absolute;
  left: 15px;
  top: -100px;
}
.skip:focus {
  top: 12px;
  padding: 12px;
  background: white;
  z-index: 10;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}
@media (max-width: 980px) {
  .container {
    padding-inline: 30px;
  }
  .header-inner {
    gap: 19px;
  }
  .site-header nav {
    gap: 18px;
  }
  .hero h1 {
    font-size: 65px;
  }
  .split,
  .faq {
    gap: 45px;
  }
  .steps {
    gap: 30px;
  }
  .path {
    padding: 25px;
  }
  .integration-columns {
    gap: 40px;
  }
  .integration-columns > div + div {
    padding-left: 40px;
  }
}
@media (max-width: 700px) {
  .container {
    padding-inline: 22px;
  }
  .header-inner {
    min-height: 80px;
    gap: 9px;
  }
  .brand {
    font-size: 17px;
    gap: 8px;
    letter-spacing: -0.5px;
  }
  .brand > .icon {
    width: 27px;
    height: 27px;
  }
  .languages {
    border: 0;
    padding: 0;
    gap: 0;
  }
  .languages button {
    min-width: 32px;
    font-size: 11px;
  }
  .menu-toggle {
    display: flex;
    width: 42px;
    flex-shrink: 0;
  }
  .site-header nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 20px;
    right: 20px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 15px;
    box-shadow: 0 15px 30px #203e6015;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .site-header nav.is-open {
    display: flex;
  }
  .site-header nav a {
    padding: 13px;
  }
  .hero {
    padding-top: 46px;
    padding-bottom: 35px;
  }
  .hero h1 {
    font-size: clamp(37px, 9vw, 58px);
    line-height: 1.17;
    margin: 25px 0;
    letter-spacing: -0.055em;
  }
  .hero-description {
    font-size: 15px;
    line-height: 1.9;
    white-space: normal;
  }
  .eyebrow {
    font-size: 9px;
    letter-spacing: 0.15em;
  }
  .install-command {
    gap: 10px;
    padding: 7px 7px 7px 16px;
    width: 100%;
    max-width: 440px;
    border-radius: 15px;
  }
  .install-command code {
    font-size: 11px;
    text-align: left;
    overflow-wrap: anywhere;
  }
  .install-command button {
    padding: 10px;
    min-width: 46px;
    justify-content: center;
  }
  .install-command button > [data-copy-label] {
    display: none;
  }
  .hero-links {
    flex-direction: column;
    gap: 12px;
    margin-top: 18px;
  }
  .hero-links > span {
    font-size: 10px;
  }
  .text-link {
    font-size: 13px;
  }
  .demo-section {
    padding: 12px 0 35px;
  }
  .demo-tabs {
    margin-bottom: 25px;
  }
  .demo-tabs button {
    font-size: 12px;
    padding: 8px;
  }
  .demo-topbar {
    padding: 16px;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
  }
  .demo-topbar > .icon {
    width: 18px;
    height: 18px;
  }
  .demo-label {
    width: 100%;
    margin-left: 0;
    font-size: 9px;
  }
  .demo-panel {
    padding: 25px 17px;
    min-height: 440px;
  }
  .message {
    font-size: 12px;
    max-width: 95%;
    padding: 16px;
  }
  .message-label {
    font-size: 9px;
  }
  .message-status {
    font-size: 10px !important;
  }
  .demo-foot {
    font-size: 10px;
    line-height: 1.8;
    margin-top: 20px;
  }
  .demo-window {
    border-radius: 16px;
  }
  .section {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  .section-intro {
    margin-bottom: 35px;
  }
  h2 {
    font-size: 32px;
  }
  .section-intro > p:not(.eyebrow) {
    font-size: 14px;
    margin-top: 20px;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .steps article {
    padding: 22px 0 15px;
  }
  .steps .icon {
    width: 29px;
    height: 29px;
    margin-bottom: 20px;
  }
  .steps h3,
  .feature-list h3,
  .path h3 {
    font-size: 20px;
  }
  .steps p,
  .feature-list p,
  .path p {
    font-size: 14px;
  }
  .split,
  .faq {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .section-description {
    font-size: 15px;
    margin: 23px 0;
  }
  .feature-list article {
    padding: 25px 0;
  }
  .integration-columns {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .integration-columns > div + div {
    padding: 28px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .integration-columns li {
    font-size: 12px;
    padding: 11px 15px;
  }
  .path-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .path {
    padding: 25px;
  }
  .path h3 {
    margin-top: 15px;
  }
  .path .icon {
    margin-top: 20px;
  }
  .faq-list summary {
    font-size: 15px;
  }
  .faq-list p {
    font-size: 14px;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-inner nav {
    gap: 23px;
  }
  .credit {
    font-size: 9px;
  }
  .docs {
    padding-top: 45px;
    padding-bottom: 60px;
  }
  .docs h1 {
    font-size: 36px;
  }
  .docs .lede,
  .docs section > p {
    font-size: 14px;
  }
  .docs section {
    margin-top: 45px;
  }
  .docs h2 {
    font-size: 27px;
  }
  .code-block {
    padding: 20px;
  }
  .code-block pre {
    font-size: 12px;
  }
}
@media (max-width: 359px) {
  .container {
    padding-inline: 16px;
  }
  .brand {
    font-size: 15px;
  }
  .brand > .icon {
    width: 23px;
    height: 23px;
  }
  .header-inner {
    gap: 5px;
  }
  .languages button {
    min-width: 28px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

.docs h1 { text-wrap: balance; }