@charset "UTF-8";

:root {
  --ink: #171914;
  --ink-soft: #2a2e25;
  --paper: #f3f1e7;
  --paper-deep: #e9e7da;
  --card: #fffef8;
  --line: #d4d2c5;
  --muted: #65695f;
  --lime: #c9ff3f;
  --lime-soft: #e7ff9d;
  --orange: #ff6948;
  --blue: #7fc8ff;
  --violet: #a493ff;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(24, 27, 20, 0.11);
  --shell: min(1180px, calc(100% - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 8%, rgba(201, 255, 63, 0.1), transparent 23rem),
    var(--paper);
  font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: #fff;
  background: var(--ink);
  border-radius: 8px;
  transform: translateY(-150%);
}

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

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid rgba(23, 25, 20, 0.1);
  background: rgba(243, 241, 231, 0.9);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 76px;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  gap: 11px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 12px;
  color: var(--lime);
  background: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: -0.08em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-copy strong {
  font-size: 16px;
  letter-spacing: 0.08em;
}

.brand-copy small {
  display: flex;
  align-items: center;
  margin-top: 5px;
  color: var(--muted);
  font-size: 8px;
  font-weight: 650;
  letter-spacing: 0.09em;
  white-space: nowrap;
}

.brand-copy small b {
  color: var(--ink);
  font-size: 9px;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.brand-copy small span {
  margin-left: 8px;
  padding-left: 8px;
  border-left: 1px solid var(--line);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #474b43;
  font-size: 14px;
  font-weight: 600;
}

.desktop-nav a,
.product-nav-trigger,
.header-contact {
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.desktop-nav a:hover {
  color: #000;
}

.product-nav {
  position: relative;
}

.product-nav-trigger {
  display: inline-flex;
  align-items: center;
  padding: 0;
  border: 0;
  color: inherit;
  background: transparent;
  cursor: pointer;
  font: inherit;
  gap: 6px;
}

.product-nav-trigger small {
  display: grid;
  width: 21px;
  height: 21px;
  place-items: center;
  border-radius: 50%;
  color: var(--paper);
  background: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 8px;
  font-weight: 800;
}

.product-nav-trigger i {
  margin-left: 1px;
  font-size: 12px;
  font-style: normal;
  transition: transform 180ms ease;
}

.product-nav::after {
  position: absolute;
  top: 100%;
  right: -80px;
  left: -80px;
  height: 24px;
  content: "";
}

.product-nav-menu {
  position: absolute;
  z-index: 20;
  top: calc(100% + 22px);
  left: 50%;
  width: 520px;
  padding: 21px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 22px;
  color: #f5f3e8;
  background: var(--ink);
  box-shadow: 0 24px 70px rgba(20, 22, 18, 0.25);
  opacity: 0;
  pointer-events: none;
  transform: translate(-42%, -8px);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  visibility: hidden;
}

.product-nav:hover .product-nav-menu,
.product-nav:focus-within .product-nav-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-42%, 0);
  visibility: visible;
}

.product-nav:hover .product-nav-trigger i,
.product-nav:focus-within .product-nav-trigger i {
  transform: rotate(180deg);
}

.product-nav-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 20px;
}

.product-nav-head span,
.product-nav-grid b,
.product-nav-deploy b {
  color: var(--lime);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 8px;
  letter-spacing: 0.1em;
}

.product-nav-head strong {
  font-size: 14px;
  letter-spacing: -0.02em;
}

.product-nav-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid #3c4037;
  border-radius: 14px;
}

.product-nav-grid > a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 76px;
  padding: 13px;
  gap: 11px;
  transition: background 180ms ease;
}

.product-nav-grid > a:nth-child(even) {
  border-left: 1px solid #3c4037;
}

.product-nav-grid > a:nth-child(n + 3) {
  border-top: 1px solid #3c4037;
}

.product-nav-grid > a:hover,
.product-nav-grid > a:focus-visible {
  color: #f5f3e8;
  background: #292d25;
}

.product-nav-grid > a > span {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.product-nav-grid strong {
  font-size: 14px;
}

.product-nav-grid small {
  margin-top: 4px;
  color: #9ea397;
  font-size: 9px;
  font-weight: 500;
}

.product-nav-grid i,
.product-nav-deploy i {
  color: #9ea397;
  font-size: 12px;
  font-style: normal;
}

.product-nav-deploy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 11px;
  color: var(--ink);
  background: var(--lime);
  font-size: 11px;
  font-weight: 800;
}

.product-nav-deploy span {
  display: flex;
  align-items: center;
  gap: 10px;
}

.product-nav-deploy b,
.product-nav-deploy i {
  color: #4b5c22;
}

.mobile-products-link {
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 10px;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 254, 248, 0.55);
}

.language-switch > * {
  display: grid;
  min-width: 29px;
  height: 29px;
  padding-inline: 7px;
  place-items: center;
  border-radius: 999px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  font-weight: 800;
  line-height: 1;
}

.language-switch [aria-current="page"] {
  color: var(--paper);
  background: var(--ink);
}

.language-switch a {
  color: var(--muted);
  transition: color 180ms ease, background 180ms ease;
}

.language-switch a:hover {
  color: var(--ink);
  background: var(--paper-deep);
}

.header-contact {
  padding: 10px 15px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.header-contact:hover {
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-1px);
}

.header-contact span {
  margin-left: 8px;
}

.hero {
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(390px, 0.92fr);
  align-items: center;
  min-height: 735px;
  padding-block: 74px 88px;
  gap: clamp(48px, 7vw, 104px);
}

.eyebrow,
.section-index {
  margin: 0 0 25px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow span {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(201, 255, 63, 0.22);
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.08;
}

h1 {
  max-width: 720px;
  margin-bottom: 28px;
  font-size: clamp(56px, 6.1vw, 88px);
  font-weight: 850;
  letter-spacing: -0.07em;
}

html[lang="zh-CN"] h1 {
  max-width: none;
  font-size: clamp(54px, 5vw, 70px);
  white-space: nowrap;
}

h1 em,
.contact-panel h2 em {
  position: relative;
  display: inline-block;
  z-index: 0;
  font-style: normal;
}

h1 em::after {
  position: absolute;
  z-index: -1;
  right: -0.04em;
  bottom: 0.03em;
  left: -0.02em;
  height: 0.24em;
  background: var(--lime);
  content: "";
  transform: rotate(-1.2deg);
}

@media (min-width: 1041px) {
  html[lang="zh-CN"] .hero-grid,
  html[lang="en"] .hero-grid {
    grid-template-columns: minmax(0, 1.22fr) minmax(410px, 0.78fr);
    gap: clamp(48px, 5vw, 72px);
  }

  html[lang="en"] h1 {
    max-width: none;
    font-size: clamp(44px, 3.7vw, 52px);
    letter-spacing: -0.055em;
    white-space: nowrap;
  }
}

.hero-lead {
  max-width: 650px;
  margin: 0;
  color: #555a50;
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  margin-top: 38px;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(23, 25, 20, 0.12);
}

.button-primary {
  color: var(--paper);
  background: var(--ink);
}

.button-primary span {
  margin-left: 38px;
  color: var(--lime);
}

.button-ghost:hover {
  background: var(--card);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 600px;
  margin: 58px 0 0;
  border-top: 1px solid var(--line);
}

.hero-facts div {
  padding: 18px 16px 0 0;
}

.hero-facts div + div {
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.hero-facts dt {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 21px;
  font-weight: 800;
}

.hero-facts dd {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.entropy-panel {
  position: relative;
  min-height: 530px;
  overflow: hidden;
  border-radius: 30px;
  color: #f5f3e8;
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    radial-gradient(circle at center, rgba(201, 255, 63, 0.16), transparent 35%);
  background-size: 34px 34px, 34px 34px, 100% 100%;
  box-shadow: var(--shadow);
}

.panel-topline,
.panel-footline {
  position: absolute;
  z-index: 4;
  right: 25px;
  left: 25px;
  display: flex;
  justify-content: space-between;
  color: #aaaea4;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.panel-topline {
  top: 22px;
}

.panel-topline span:last-child::before {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--lime);
  content: "";
}

.panel-footline {
  bottom: 20px;
}

.system-map {
  position: absolute;
  inset: 48px 14px 42px;
}

.system-core {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  display: grid;
  width: 116px;
  height: 116px;
  place-content: center;
  border: 1px solid rgba(201, 255, 63, 0.55);
  border-radius: 50%;
  text-align: center;
  background: rgba(23, 25, 20, 0.86);
  box-shadow: 0 0 55px rgba(201, 255, 63, 0.15);
  transform: translate(-50%, -50%);
}

.system-core b {
  color: var(--lime);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 31px;
  letter-spacing: -0.08em;
}

.system-core small {
  color: #acb0a6;
  font-size: 9px;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one {
  width: 270px;
  height: 270px;
}

.orbit-two {
  width: 390px;
  height: 390px;
  border-style: dashed;
}

.system-node {
  position: absolute;
  z-index: 3;
  display: flex;
  flex-direction: column;
  min-width: 105px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  color: #f5f3e8;
  background: rgba(44, 48, 39, 0.9);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.2);
  transition: border-color 180ms ease, transform 180ms ease;
}

.system-node:hover {
  border-color: var(--lime);
  transform: translateY(-3px);
}

.system-node small {
  color: #959b90;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 7px;
  letter-spacing: 0.11em;
}

.system-node strong {
  margin-top: 3px;
  font-size: 14px;
}

.node-one { top: 13%; left: 4%; }
.node-two { top: 12%; right: 2%; }
.node-three { bottom: 13%; left: 2%; }
.node-four { right: 0; bottom: 14%; }

.section {
  padding-block: 112px;
}

.manifesto {
  background: var(--card);
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(340px, 0.75fr);
  gap: clamp(60px, 10vw, 150px);
}

.split-heading h2,
.section-heading h2,
.faq h2 {
  margin-bottom: 0;
  font-size: clamp(38px, 4.4vw, 62px);
  font-weight: 820;
  letter-spacing: -0.055em;
}

.about-copy {
  padding-top: 34px;
  color: var(--muted);
}

.about-copy p {
  margin: 0;
}

.about-copy p + p {
  margin-top: 25px;
}

.about-copy .large-copy {
  color: var(--ink);
  font-size: clamp(19px, 2vw, 25px);
  font-weight: 650;
  line-height: 1.55;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.52fr);
  align-items: end;
  margin-bottom: 56px;
  gap: 60px;
}

.section-heading > p {
  margin: 0;
  color: var(--muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.product-card {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
  min-height: 390px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.product-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-5px);
}

.product-visual {
  position: relative;
  display: block;
  min-height: 390px;
  overflow: hidden;
  padding: 24px;
  color: var(--ink);
  background: var(--lime-soft);
}

.product-aihr .product-visual { background: #dceeff; }
.product-clip .product-visual { background: #ffe0d8; }
.product-chatmock .product-visual { background: #e7e2ff; }

.visual-label {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.product-visual > strong {
  position: absolute;
  right: 23px;
  bottom: 23px;
  left: 23px;
  font-size: clamp(22px, 2vw, 31px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.visual-card-stack {
  position: absolute;
  top: 94px;
  left: 50%;
  width: 110px;
  height: 118px;
  transform: translateX(-50%);
}

.visual-card-stack i {
  position: absolute;
  display: block;
  width: 72px;
  height: 92px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: #fffef8;
  box-shadow: 5px 7px 0 rgba(23, 25, 20, 0.16);
}

.visual-card-stack i:nth-child(1) { left: 0; transform: rotate(-10deg); }
.visual-card-stack i:nth-child(2) { left: 19px; transform: rotate(0deg); }
.visual-card-stack i:nth-child(3) { left: 38px; transform: rotate(10deg); }

.candidate-list {
  position: absolute;
  top: 80px;
  right: 25px;
  left: 25px;
}

.candidate-list i {
  display: flex;
  align-items: center;
  height: 38px;
  margin-bottom: 8px;
  border: 1px solid rgba(23, 25, 20, 0.25);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.75);
}

.candidate-list i::before {
  width: 20px;
  height: 20px;
  margin: 0 10px;
  border-radius: 50%;
  background: var(--blue);
  content: "";
}

.candidate-list i::after {
  width: 42%;
  height: 5px;
  border-radius: 2px;
  background: var(--ink);
  content: "";
  opacity: 0.7;
}

.timeline {
  position: absolute;
  top: 105px;
  right: 25px;
  left: 25px;
  display: flex;
  align-items: center;
  height: 64px;
  gap: 4px;
}

.timeline::before {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--ink);
  content: "";
}

.timeline i {
  position: relative;
  flex: 1;
  height: 26px;
  border: 2px solid var(--ink);
  border-radius: 5px;
  background: #fffef8;
}

.timeline i:nth-child(2),
.timeline i:nth-child(4) {
  height: 46px;
  background: var(--orange);
}

.chat-bubbles {
  position: absolute;
  top: 75px;
  right: 22px;
  left: 22px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.chat-bubbles i {
  width: 80%;
  height: 38px;
  border: 2px solid var(--ink);
  border-radius: 18px 18px 18px 4px;
  background: #fffef8;
}

.chat-bubbles i:nth-child(2) {
  align-self: flex-end;
  width: 62%;
  border-radius: 18px 18px 4px;
  background: var(--violet);
}

.chat-bubbles i:nth-child(3) {
  width: 54%;
}

.product-content {
  display: flex;
  flex-direction: column;
  padding: 29px 28px 25px;
}

.product-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.product-content h3 {
  margin-bottom: 15px;
  font-size: 31px;
  letter-spacing: -0.045em;
}

.product-content h3 a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
}

.product-content h3 a::after {
  color: var(--muted);
  content: "↗";
  font-size: 13px;
  font-weight: 500;
  opacity: 0.45;
  transition: opacity 180ms ease, transform 180ms ease;
}

.product-card:hover .product-content h3 a::after,
.product-content h3 a:hover::after {
  opacity: 1;
  transform: translate(2px, -2px);
}

.product-content h3 small {
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0;
}

.product-content > p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.product-content > .private-ready {
  display: flex;
  align-items: center;
  width: fit-content;
  margin-top: 14px;
  padding: 5px 9px;
  border-radius: 999px;
  color: #314009;
  background: var(--lime-soft);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.private-ready span {
  width: 6px;
  height: 6px;
  margin-right: 6px;
  border-radius: 50%;
  background: #668a00;
  box-shadow: 0 0 0 3px rgba(102, 138, 0, 0.13);
}

.product-content ul {
  display: flex;
  flex-wrap: wrap;
  margin: 16px 0 25px;
  padding: 0;
  list-style: none;
  gap: 6px;
}

.product-content li {
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #52564d;
  font-size: 10px;
}

.product-content > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  font-weight: 750;
  word-break: break-all;
}

.product-content > a span {
  display: grid;
  flex: 0 0 auto;
  width: 27px;
  height: 27px;
  margin-left: 8px;
  place-items: center;
  border-radius: 50%;
  color: var(--paper);
  background: var(--ink);
}

.deployment {
  padding-top: 0;
}

.deployment-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 5vw, 64px);
  border-radius: 30px;
  color: #f5f3e8;
  background:
    radial-gradient(circle at 92% 0%, rgba(201, 255, 63, 0.17), transparent 25rem),
    var(--ink);
}

.deployment-panel::before {
  position: absolute;
  top: -190px;
  right: -120px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(201, 255, 63, 0.15);
  border-radius: 50%;
  box-shadow: 0 0 0 55px rgba(201, 255, 63, 0.025), 0 0 0 110px rgba(201, 255, 63, 0.02);
  content: "";
}

.deployment-heading {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(270px, 0.75fr);
  align-items: end;
  gap: clamp(45px, 8vw, 100px);
}

.deployment-heading .section-index {
  color: var(--lime);
}

.deployment-heading h2 {
  max-width: 690px;
  margin: 0;
  font-size: clamp(38px, 4.5vw, 62px);
  font-weight: 820;
  line-height: 1.15;
  letter-spacing: -0.055em;
}

.deployment-summary > span {
  display: inline-block;
  margin-bottom: 16px;
  padding: 5px 9px;
  border: 1px solid #4c5146;
  border-radius: 999px;
  color: var(--lime);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.09em;
}

.deployment-summary p {
  margin: 0;
  color: #b2b7aa;
  font-size: 14px;
}

.deployment-products {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 48px;
  border-top: 1px solid #45493f;
  border-bottom: 1px solid #45493f;
}

.deployment-products a {
  display: flex;
  flex-direction: column;
  min-height: 178px;
  padding: 22px;
  transition: background 180ms ease;
}

.deployment-products a + a {
  border-left: 1px solid #45493f;
}

.deployment-products a:hover {
  color: #f5f3e8;
  background: #292d25;
}

.deployment-products small {
  color: #90958a;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9px;
  letter-spacing: 0.06em;
}

.deployment-products strong {
  margin-top: 33px;
  font-size: 23px;
  letter-spacing: -0.035em;
}

.deployment-products span {
  width: fit-content;
  margin-top: auto;
  color: var(--lime);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.09em;
}

.deployment-footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  gap: 30px;
}

.deployment-footer p {
  margin: 0;
  color: #9fa499;
  font-size: 11px;
}

.deployment-footer p b {
  margin-right: 10px;
  color: #f5f3e8;
}

.deployment-footer > a {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  padding: 11px 16px;
  border-radius: 999px;
  color: var(--ink);
  background: var(--lime);
  font-size: 12px;
  font-weight: 850;
}

.deployment-footer > a span {
  margin-left: 24px;
}

.services {
  color: #f5f3e8;
  background: var(--ink);
}

.light-heading .section-index,
.light-heading > p {
  color: #aeb2a7;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid #42463d;
  border-bottom: 1px solid #42463d;
}

.capability-grid article {
  min-height: 280px;
  padding: 27px 25px;
}

.capability-grid article + article {
  border-left: 1px solid #42463d;
}

.capability-grid span {
  color: var(--lime);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
}

.capability-grid h3 {
  margin: 70px 0 15px;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.capability-grid p {
  margin: 0;
  color: #aeb2a7;
  font-size: 13px;
}

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

.faq-list details[open] summary span {
  transform: rotate(45deg);
}

.faq-list summary span {
  transition: transform 180ms ease;
}

.faq {
  background: var(--card);
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(50px, 9vw, 130px);
}

.faq-intro {
  max-width: 260px;
  margin-top: 24px;
  color: var(--muted);
}

.faq-list {
  border-top: 1px solid var(--line);
}

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

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 25px 0;
  cursor: pointer;
  font-size: 17px;
  font-weight: 750;
  list-style: none;
}

.faq-list summary span {
  display: grid;
  flex: 0 0 auto;
  width: 27px;
  height: 27px;
  margin-left: 18px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-weight: 400;
}

.faq-list details p {
  max-width: 650px;
  margin: -7px 50px 24px 0;
  color: var(--muted);
}

.faq-list details a {
  border-bottom: 1px solid currentColor;
  color: var(--ink);
  font-weight: 700;
}

.contact {
  padding-block: 82px;
  background: var(--paper-deep);
}

.contact-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(35px, 7vw, 88px);
  border-radius: 30px;
  background: var(--lime);
}

.contact-panel::after {
  position: absolute;
  top: -140px;
  right: -80px;
  width: 430px;
  height: 430px;
  border: 1px solid rgba(23, 25, 20, 0.18);
  border-radius: 50%;
  box-shadow: 0 0 0 55px rgba(23, 25, 20, 0.04), 0 0 0 110px rgba(23, 25, 20, 0.03);
  content: "";
}

.contact-panel .section-index {
  color: #4f6123;
}

.contact-panel h2 {
  position: relative;
  z-index: 1;
  max-width: 870px;
  margin-bottom: 45px;
  font-size: clamp(40px, 5.4vw, 72px);
  font-weight: 850;
  letter-spacing: -0.06em;
}

.contact-panel h2 em::after {
  position: absolute;
  z-index: -1;
  right: -0.04em;
  bottom: 0.01em;
  left: -0.02em;
  height: 0.19em;
  background: rgba(255, 255, 255, 0.62);
  content: "";
}

.contact-panel > a {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: clamp(15px, 2.2vw, 23px);
  font-weight: 800;
}

.contact-panel > a span {
  margin-left: 25px;
}

.contact-panel > p:last-child {
  margin: 18px 0 0;
  color: #4f6123;
  font-size: 12px;
  font-weight: 700;
}

.site-footer {
  padding-block: 38px;
  color: #b2b6ab;
  background: var(--ink);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  gap: 30px;
}

.footer-inner > div {
  display: flex;
  flex-direction: column;
}

.footer-inner strong {
  color: #f5f3e8;
  font-size: 14px;
}

.footer-inner small {
  margin-top: 4px;
  font-size: 7px;
  letter-spacing: 0.12em;
}

.footer-inner p {
  margin: 0;
  font-size: 10px;
}

.footer-inner p:nth-child(2) {
  color: var(--lime);
}

.footer-inner p:last-child {
  justify-self: end;
}

@media (max-width: 1040px) {
  :lang(en) .desktop-nav {
    gap: 13px;
    font-size: 12px;
  }

  .desktop-nav {
    gap: 16px;
    font-size: 13px;
  }

  .product-nav-menu {
    transform: translate(-50%, -8px);
  }

  .product-nav:hover .product-nav-menu,
  .product-nav:focus-within .product-nav-menu {
    transform: translate(-50%, 0);
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(350px, 0.8fr);
    gap: 40px;
  }

  .entropy-panel {
    min-height: 480px;
  }

  .product-card {
    grid-template-columns: 1fr;
  }

  .product-visual {
    min-height: 260px;
  }

  .product-visual > strong {
    font-size: 27px;
  }

  .visual-card-stack {
    top: 66px;
    transform: translateX(-50%) scale(0.72);
    transform-origin: top center;
  }

  .candidate-list,
  .timeline,
  .chat-bubbles {
    top: 63px;
  }

  .product-content {
    min-height: 310px;
  }

  .deployment-products a {
    padding: 18px;
  }
}

@media (max-width: 820px) {
  :root {
    --shell: min(100% - 32px, 680px);
  }

  .header-inner {
    grid-template-columns: 1fr auto auto;
    gap: 14px;
  }

  .desktop-nav {
    display: none;
  }

  .mobile-products-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 11px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
  }

  .mobile-products-link span {
    margin-left: 6px;
    color: #607f08;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 8px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    padding-block: 65px 70px;
  }

  .hero-copy {
    max-width: 680px;
  }

  html[lang="zh-CN"] h1 {
    font-size: clamp(44px, 12vw, 62px);
    white-space: normal;
  }

  .entropy-panel {
    min-height: 540px;
  }

  .split-heading,
  .section-heading,
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .section-heading {
    align-items: start;
  }

  .section-heading > p {
    max-width: 520px;
  }

  .about-copy {
    padding-top: 0;
  }

  .deployment-heading {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 30px;
  }

  .deployment-summary {
    max-width: 560px;
  }

  .deployment-products {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .deployment-products a:nth-child(3) {
    border-left: 0;
  }

  .deployment-products a:nth-child(n + 3) {
    border-top: 1px solid #45493f;
  }

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

  .capability-grid article:nth-child(3) {
    border-left: 0;
    border-top: 1px solid #42463d;
  }

  .capability-grid article:nth-child(4) {
    border-top: 1px solid #42463d;
  }

  .faq-intro {
    max-width: none;
  }

  .footer-inner {
    grid-template-columns: 1fr auto;
  }

  .footer-inner p:nth-child(2) {
    display: none;
  }
}

@media (max-width: 620px) {
  :root {
    --shell: calc(100% - 28px);
    --radius: 18px;
  }

  html {
    scroll-padding-top: 74px;
  }

  .header-inner {
    min-height: 68px;
    gap: 9px;
  }

  .header-contact {
    display: none;
  }

  .header-actions {
    gap: 0;
  }

  .language-switch > * {
    min-width: 27px;
    height: 27px;
    padding-inline: 6px;
  }

  .brand-mark {
    width: 37px;
    height: 37px;
    border-radius: 10px;
    font-size: 11px;
  }

  .brand-copy strong {
    font-size: 14px;
  }

  .brand-copy small {
    display: flex;
    margin-top: 3px;
  }

  .brand-copy small b {
    font-size: 7px;
    letter-spacing: 0.07em;
  }

  .brand-copy small span {
    display: none;
  }

  .header-contact {
    padding: 8px 11px;
    font-size: 11px;
  }

  .header-contact span {
    margin-left: 4px;
  }

  .hero-grid {
    min-height: auto;
    padding-block: 51px 58px;
    gap: 38px;
  }

  h1 {
    margin-bottom: 22px;
    font-size: clamp(44px, 14vw, 62px);
  }

  :lang(en) h1 {
    font-size: clamp(42px, 13vw, 58px);
  }

  .hero-lead {
    font-size: 15px;
    line-height: 1.75;
  }

  .hero-actions {
    margin-top: 30px;
  }

  .button {
    min-height: 46px;
    padding-inline: 17px;
  }

  .button-primary span {
    margin-left: 17px;
  }

  .hero-facts {
    margin-top: 42px;
  }

  .hero-facts div {
    padding-top: 14px;
  }

  .hero-facts div + div {
    padding-left: 10px;
  }

  .hero-facts dt {
    font-size: 17px;
  }

  .hero-facts dd {
    font-size: 9px;
  }

  .entropy-panel {
    min-height: 410px;
    border-radius: 22px;
  }

  .system-map {
    inset: 40px 5px 38px;
    transform: scale(0.83);
  }

  .orbit-two {
    width: 340px;
    height: 340px;
  }

  .system-node {
    min-width: 94px;
    padding: 8px 10px;
  }

  .node-one { left: 0; }
  .node-two { right: 0; }
  .node-three { left: -2px; }
  .node-four { right: -2px; }

  .section {
    padding-block: 78px;
  }

  .split-heading h2,
  .section-heading h2,
  .faq h2 {
    font-size: clamp(35px, 10vw, 48px);
  }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .product-visual {
    min-height: 245px;
  }

  .product-content {
    min-height: 300px;
    padding: 25px 23px 22px;
  }

  .product-kicker {
    margin-bottom: 24px;
  }

  .deployment {
    padding-bottom: 78px;
  }

  .deployment-panel {
    padding: 32px 22px;
    border-radius: 22px;
  }

  .deployment-heading h2 {
    font-size: clamp(34px, 10vw, 47px);
  }

  .deployment-products {
    grid-template-columns: 1fr;
    margin-top: 34px;
  }

  .deployment-products a {
    min-height: 132px;
    padding: 18px 4px;
  }

  .deployment-products a + a,
  .deployment-products a:nth-child(3) {
    border-top: 1px solid #45493f;
    border-left: 0;
  }

  .deployment-products strong {
    margin-top: 18px;
  }

  .deployment-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
  }

  .capability-grid {
    grid-template-columns: 1fr;
  }

  .capability-grid article {
    min-height: auto;
    padding: 25px 5px 28px;
  }

  .capability-grid article + article,
  .capability-grid article:nth-child(3),
  .capability-grid article:nth-child(4) {
    border-top: 1px solid #42463d;
    border-left: 0;
  }

  .capability-grid h3 {
    margin: 30px 0 12px;
  }

  .faq-list summary {
    padding-block: 21px;
    font-size: 15px;
  }

  .faq-list details p {
    margin-right: 0;
    font-size: 14px;
  }

  .contact {
    padding-block: 42px;
  }

  .contact-panel {
    padding: 34px 24px 38px;
    border-radius: 22px;
  }

  .contact-panel h2 {
    margin-bottom: 34px;
    font-size: clamp(36px, 11vw, 51px);
  }

  :lang(en) .contact-panel h2 {
    font-size: clamp(34px, 10vw, 47px);
  }

  .contact-panel > a {
    max-width: 100%;
    font-size: 14px;
  }

  .contact-panel > a span {
    margin-left: 10px;
  }

  .footer-inner {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .footer-inner p:last-child {
    align-self: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .hero-actions,
  .entropy-panel,
  .contact,
  .site-footer {
    display: none;
  }

  body,
  .manifesto,
  .faq,
  .services {
    color: #000;
    background: #fff;
  }

  .section {
    padding-block: 35px;
  }

  .product-card,
  .capability-grid {
    break-inside: avoid;
  }
}