:root {
  --ink: #16110c;
  --harbor: #1c1610;
  --deep-water: #120e0a;
  --fog: #f4efe4;
  --paper: #fbf7ee;
  --signal: #c4a05a;
  --signal-dark: #9a7840;
  --mint: #d4b06a;
  --slate: #6e6458;
  --line: #e0d4c0;
  --white: #ffffff;
  --page-gutter: clamp(22px, 5vw, 78px);
  --ease-out: cubic-bezier(0.2, 0.75, 0.28, 1);
  --mono: "SFMono-Regular", "Roboto Mono", Consolas, monospace;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  color: var(--ink);
  font-family: var(--sans);
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--fog);
}

body,
button,
a {
  font: inherit;
}

a {
  color: inherit;
}

button,
a {
  outline-offset: 4px;
}

:focus-visible {
  outline: 3px solid rgba(196, 160, 90, 0.72);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  min-height: 76px;
  padding: 0 var(--page-gutter);
  background: rgba(244, 239, 228, 0.94);
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.scrolled {
  background: rgba(251, 247, 238, 0.97);
  border-bottom-color: var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  text-decoration: none;
}

.brand-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  background: #0d0b08;
  border: 1px solid #c4a05a;
  border-radius: 50%;
}

.brand-name {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-en {
  align-self: flex-end;
  margin-bottom: 2px;
  color: var(--slate);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.18em;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(16px, 2vw, 28px);
}

.site-nav a {
  color: #6e6458;
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  transition: color 150ms ease;
}

.site-nav a:hover {
  color: var(--signal-dark);
}

.site-nav a[aria-current="location"]:not(.nav-console) {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--signal);
  text-decoration-thickness: 2px;
  text-underline-offset: 8px;
}

.site-nav .nav-console {
  min-height: 40px;
  padding: 10px 15px;
  color: var(--white);
  background: var(--ink);
  flex-shrink: 0;
  white-space: nowrap;
}

.site-nav .nav-console:hover {
  color: var(--white);
  background: #2a2118;
}

.nav-console span {
  margin-left: 18px;
  color: var(--mint);
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-self: end;
  gap: 9px;
  min-height: 40px;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.menu-toggle i,
.menu-toggle i::before,
.menu-toggle i::after {
  display: block;
  width: 18px;
  height: 1px;
  background: currentColor;
  content: "";
  transition: transform 160ms ease;
}

.menu-toggle i::before { transform: translateY(-5px); }
.menu-toggle i::after { transform: translateY(4px); }

.hero {
  display: grid;
  grid-template-columns: minmax(360px, 0.82fr) minmax(560px, 1.18fr);
  align-items: stretch;
  min-height: calc(100svh - 76px);
  padding-left: var(--page-gutter);
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 620px;
  padding: 68px clamp(34px, 5vw, 86px) 56px 0;
  animation: hero-rise 620ms var(--ease-out) both;
}

@keyframes hero-rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.section-label {
  display: flex;
  align-items: center;
  margin: 0 0 22px;
  color: #6e6458;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(48px, 5.25vw, 84px);
  font-weight: 850;
  letter-spacing: -0.04em;
  line-height: 1.06;
  text-wrap: balance;
}

.hero-intro {
  max-width: 570px;
  margin: 30px 0 0;
  color: #6e6458;
  font-size: clamp(15px, 1.25vw, 18px);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-top: 38px;
}

.action {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  text-decoration: none;
  transition: transform 150ms ease, background 150ms ease, color 150ms ease;
}

.action:hover {
  transform: translateY(-2px);
}

.action.primary {
  min-width: 210px;
  padding: 0 18px;
  color: var(--white);
  background: var(--ink);
  font-size: 14px;
  font-weight: 750;
}

.action.primary span {
  color: var(--mint);
  font-size: 20px;
}

.action.text {
  min-height: 42px;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: auto 0 0;
  padding-top: 45px;
}

.hero-proof > div {
  min-width: 0;
  padding: 0 15px;
  border-left: 1px solid var(--line);
}

.hero-proof > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-proof dt {
  margin-bottom: 7px;
  color: #8a7d6c;
  font-size: 10px;
}

.hero-proof dd {
  margin: 0;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hero-visual {
  position: relative;
  display: grid;
  grid-template-rows: auto auto 1fr auto auto;
  min-width: 0;
  padding: clamp(28px, 4vw, 56px);
  color: var(--white);
  background:
    linear-gradient(rgba(196, 160, 90, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(196, 160, 90, 0.08) 1px, transparent 1px),
    var(--deep-water);
  background-size: 34px 34px;
  animation: visual-enter 760ms 100ms var(--ease-out) both;
}

@keyframes visual-enter {
  from { opacity: 0; clip-path: inset(0 0 0 14%); }
  to { opacity: 1; clip-path: inset(0); }
}

.visual-head {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 22px;
}

.visual-head span,
.coordinate,
.route-node small,
.route-port small,
.route-port b,
.demo-index {
  font-family: var(--mono);
  letter-spacing: 0.09em;
}

.visual-head span {
  color: #a89472;
  font-size: 9px;
}

.visual-head h2 {
  margin: 7px 0 0;
  font-size: clamp(20px, 2vw, 28px);
}

.visual-head p {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 3px 0 0;
  color: #cbb892;
  font-size: 11px;
  text-align: right;
}

.visual-head p i {
  width: 7px;
  height: 7px;
  background: var(--mint);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(196, 160, 90, 0.16);
}

.route-scenarios {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 24px;
  padding-bottom: 15px;
  border-bottom: 1px solid #3a3226;
}

.route-scenarios > span {
  margin-right: 6px;
  color: #a89472;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.09em;
}

.route-scenarios button {
  min-height: 34px;
  padding: 0 12px;
  color: #cbb892;
  background: transparent;
  border: 1px solid #5a4c34;
  border-radius: 999px;
  cursor: pointer;
  font-size: 10px;
  font-weight: 700;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.route-scenarios button:hover:not(:disabled) {
  color: var(--white);
  border-color: #c4a05a;
}

.route-scenarios button[aria-pressed="true"] {
  color: var(--ink);
  background: var(--mint);
  border-color: var(--mint);
}

.route-scenarios button:disabled {
  cursor: wait;
  opacity: 0.58;
}

.route-map {
  position: relative;
  min-height: 410px;
  overflow: hidden;
}

.coordinate {
  position: absolute;
  color: #8a7348;
  font-size: 8px;
}

.coordinate.top {
  top: 18px;
  left: 0;
}

.coordinate.side {
  right: -25px;
  bottom: 80px;
  transform: rotate(90deg);
}

.route-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.route-lines path {
  fill: none;
  stroke: #31535a;
  stroke-dasharray: 3 8;
  stroke-linecap: round;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.route-map.is-routing .route-lines path {
  stroke: var(--signal);
  stroke-dasharray: 4 13;
  animation: route-flow 540ms linear infinite;
}

.route-lines path.active {
  stroke: var(--signal);
  stroke-dasharray: none;
}

@keyframes route-flow {
  to { stroke-dashoffset: -34; }
}

.route-node {
  position: absolute;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.route-node small {
  color: #7f9a9d;
  font-size: 7px;
}

.route-node strong {
  margin-top: 3px;
  font-size: 13px;
}

.route-node > span:not(.hub-orbit) {
  margin-top: 2px;
  color: #769497;
  font-size: 9px;
}

.route-entry {
  top: 50%;
  left: 13.7%;
  width: 94px;
  height: 94px;
  background: #123841;
  border: 1px solid #42646b;
}

.route-hub {
  top: 50%;
  left: 47%;
  width: 116px;
  height: 116px;
  background: var(--signal);
  border: 1px solid #ff9c82;
  box-shadow: 0 0 0 18px rgba(255, 106, 71, 0.065);
}

.route-hub small,
.route-hub > span:not(.hub-orbit) {
  color: #ffe1d8;
}

.hub-orbit {
  position: absolute;
  inset: -17px;
  border: 1px dashed rgba(255, 255, 255, 0.3);
  border-radius: 50%;
}

.route-map.is-routing .hub-orbit {
  animation: orbit 4s linear infinite;
}

@keyframes orbit {
  to { transform: rotate(360deg); }
}

.route-port {
  position: absolute;
  right: 1%;
  z-index: 2;
  display: grid;
  grid-template-columns: 9px minmax(80px, 1fr) auto;
  align-items: center;
  gap: 9px;
  width: clamp(145px, 23%, 184px);
  min-height: 58px;
  padding: 10px 11px;
  background: #0f353d;
  border: 1px solid #44676e;
  border-radius: 3px;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.route-port i {
  width: 7px;
  height: 7px;
  background: var(--mint);
  border-radius: 50%;
}

.route-port span {
  display: grid;
  gap: 3px;
}

.route-port small {
  color: #67888c;
  font-size: 7px;
}

.route-port strong {
  font-size: 11px;
}

.route-port b {
  color: #5da596;
  font-size: 7px;
}

.route-port.active {
  background: #17464d;
  border-color: var(--signal);
  transform: translateX(-7px);
}

.route-port.active b {
  color: #ffad98;
}

.port-one { top: calc(17.9% - 29px); }
.port-two { top: calc(50% - 29px); }
.port-three { top: calc(82.1% - 29px); }

.route-trace {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 15px 0 13px;
  border-top: 1px solid #3a3226;
  list-style: none;
}

.route-trace li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  color: #6f9093;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.03em;
  transition: color 180ms ease;
}

.route-trace li:not(:last-child)::after {
  position: absolute;
  right: 8px;
  width: calc(100% - 82px);
  height: 1px;
  background: #36555c;
  content: "";
}

.route-trace i {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  background: #35565d;
  border: 1px solid #67858a;
  border-radius: 50%;
  transition: background 180ms ease, box-shadow 180ms ease;
}

.route-trace li.current {
  color: var(--white);
}

.route-trace li.current i {
  background: var(--signal);
  border-color: var(--signal);
  box-shadow: 0 0 0 5px rgba(255, 106, 71, 0.12);
}

.route-trace li.complete {
  color: #9ccbc1;
}

.route-trace li.complete i {
  background: var(--mint);
  border-color: var(--mint);
}

.route-demo {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 90px 1fr auto;
  align-items: center;
  gap: 18px;
  width: 100%;
  min-height: 60px;
  padding: 0;
  color: var(--white);
  background: transparent;
  border: 0;
  border-top: 1px solid #315057;
  cursor: pointer;
  text-align: left;
}

.route-demo:hover {
  color: #ffd8ce;
}

.route-demo:disabled {
  cursor: wait;
  opacity: 0.66;
}

.route-demo > span:nth-child(2) {
  font-size: 13px;
  font-weight: 700;
}

.route-demo > i {
  color: var(--signal);
  font-size: 21px;
  font-style: normal;
  transition: transform 160ms ease;
}

.route-demo:hover > i {
  transform: translateX(5px);
}

.demo-index {
  color: #69898d;
  font-size: 8px;
}

.manifest {
  display: grid;
  grid-template-columns: minmax(150px, 0.35fr) 1.65fr;
  gap: 40px;
  padding: 28px var(--page-gutter);
  color: #b8ccca;
  background: var(--harbor);
}

.manifest > p {
  margin: 3px 0 0;
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
}

.manifest ol {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.manifest li {
  padding: 0 20px;
  border-left: 1px solid #3e5c62;
  font-size: 11px;
  line-height: 1.65;
}

.manifest li span {
  display: block;
  margin-bottom: 5px;
  color: var(--mint);
  font-family: var(--mono);
  font-size: 9px;
}

.protocol-section,
.reliability-section,
.closing-section {
  padding: clamp(80px, 10vw, 150px) var(--page-gutter);
}

.protocol-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.74fr) minmax(500px, 1.26fr);
  gap: clamp(60px, 10vw, 150px);
  align-items: center;
  background: var(--paper);
}

.section-copy h2,
.reliability-head h2,
.closing-section h2,
.catalog-head h2 {
  margin: 0;
  font-size: clamp(38px, 4.5vw, 68px);
  letter-spacing: -0.035em;
  line-height: 1.12;
  text-wrap: balance;
}

.section-note {
  max-width: 240px;
  margin: 0;
  color: #6e6458;
  font-size: 13px;
  font-weight: 750;
  line-height: 1.5;
}

.section-copy .section-note {
  margin-bottom: 20px;
}

.section-copy > p:not(.section-note) {
  max-width: 530px;
  margin: 28px 0 0;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.9;
}

.integration-steps {
  display: grid;
  gap: 0;
  max-width: 560px;
  margin: 32px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.integration-steps li {
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  gap: 14px;
  min-height: 50px;
  color: #6e6458;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}

.integration-steps span {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  color: var(--ink);
  background: #dfe9e5;
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 800;
}

.inline-link {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  margin-top: 34px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
}

.inline-link span {
  color: var(--signal);
}

.code-window {
  min-width: 0;
  overflow: hidden;
  color: #dbe8e5;
  background: var(--deep-water);
  box-shadow: 18px 18px 0 #dce6e1;
}

.code-head,
.code-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 50px;
  padding: 0 20px;
  font-family: var(--mono);
  font-size: 9px;
}

.code-head {
  background: #061b21;
  border-bottom: 1px solid #29464d;
}

.code-head button {
  min-width: 90px;
  min-height: 34px;
  padding: 0 12px;
  color: var(--mint);
  background: transparent;
  border: 1px solid #36565d;
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 750;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}

.code-head button:hover {
  color: var(--ink);
  background: var(--mint);
  border-color: var(--mint);
}

.code-window pre {
  min-height: 330px;
  margin: 0;
  padding: 36px 26px;
  overflow-x: auto;
  background:
    linear-gradient(rgba(112, 160, 164, 0.055) 1px, transparent 1px),
    var(--deep-water);
  background-size: 100% 28px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 2;
}

.code-muted { color: #739499; }
.code-string { color: #f7a28e; }

.code-foot {
  color: #769397;
  border-top: 1px solid #29464d;
}

.code-foot span:first-child {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--mint);
}

.code-foot i {
  width: 6px;
  height: 6px;
  background: currentColor;
  border-radius: 50%;
}

.reliability-section {
  background: var(--fog);
}

.reliability-head {
  display: grid;
  grid-template-columns: minmax(180px, 0.42fr) 1.58fr;
  align-items: start;
  gap: 40px;
  padding-bottom: 70px;
}

.reliability-head .section-note {
  padding-top: 9px;
}

.capability-ledger {
  border-top: 1px solid #aebfbb;
}

.capability-ledger article {
  display: grid;
  grid-template-columns: 72px minmax(150px, 0.55fr) minmax(260px, 1fr) minmax(210px, 0.6fr);
  align-items: center;
  gap: 28px;
  min-height: 126px;
  padding: 22px 0;
  border-bottom: 1px solid #aebfbb;
  transition: background 180ms ease;
}

.capability-ledger article:hover {
  background: rgba(255, 255, 255, 0.48);
}

.ledger-code {
  color: var(--signal-dark);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.capability-ledger h3,
.capability-ledger p,
.capability-ledger strong {
  margin: 0;
}

.capability-ledger h3 {
  font-size: 21px;
}

.capability-ledger p {
  color: var(--slate);
  font-size: 13px;
  line-height: 1.75;
}

.capability-ledger strong {
  color: #587176;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  line-height: 1.7;
  text-align: right;
}

.closing-section {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 80px;
  color: var(--white);
  background: var(--ink);
}

.closing-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: #cbb892;
  font-size: 13px;
  font-weight: 700;
}

.closing-note i {
  width: 8px;
  height: 8px;
  background: var(--mint);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(196, 160, 90, 0.16);
}

.closing-action {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
}

.closing-action p {
  max-width: 480px;
  margin: 0 0 30px;
  color: #cbb892;
  font-size: 14px;
  line-height: 1.85;
}

.action.light {
  min-width: 230px;
  padding: 0 18px;
  color: var(--ink);
  background: var(--mint);
  font-size: 13px;
  font-weight: 800;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  min-height: 100px;
  padding: 20px var(--page-gutter);
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.site-footer p,
.site-footer > span {
  margin: 0;
  color: var(--slate);
  font-size: 10px;
}

.site-footer > span {
  justify-self: end;
  font-family: var(--mono);
  letter-spacing: 0.1em;
}

.footer-brand .brand-name {
  font-size: 15px;
}

.footer-brand .brand-logo {
  width: 28px;
  height: 28px;
}

.js .reveal {
  opacity: 1;
  transform: none;
}

.js .reveal.visible {
  animation: section-arrive 620ms var(--ease-out) both;
}

@keyframes section-arrive {
  from { opacity: 0.92; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.membership-section,
.catalog-section {
  display: grid;
  gap: 36px;
  padding: 88px var(--page-gutter);
  border-bottom: 1px solid var(--line);
}

.membership-section {
  grid-template-columns: 1fr;
  background: var(--paper);
}

.membership-section .section-copy {
  max-width: 720px;
}

.catalog-section {
  background: var(--fog);
}

.pass-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.pass-card {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 240px;
  padding: 22px 20px;
  background: var(--white);
  border: 1px solid var(--line);
}

.pass-card.featured {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
}

.pass-kicker {
  color: var(--signal);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.pass-card.featured .pass-kicker {
  color: var(--mint);
}

.pass-card h3,
.model-card h3 {
  margin: 0;
  font-size: 22px;
}

.pass-card p,
.model-card p {
  margin: 0;
  color: var(--slate);
  font-size: 13px;
  line-height: 1.7;
}

.pass-card.featured p {
  color: #cbb892;
}

.pass-card ul {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.pass-card li {
  padding: 8px 0;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
}

.pass-card.featured li {
  border-top-color: #3a3226;
}

.catalog-head {
  max-width: 640px;
}

.catalog-head .section-note {
  margin-bottom: 20px;
}

.catalog-head p:not(.section-note):not(.catalog-live) {
  max-width: 530px;
  margin: 28px 0 0;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.9;
}

.catalog-live {
  max-width: 530px;
  margin: 16px 0 0;
  color: var(--signal-dark);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.model-catalog {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 14px;
}

.model-card {
  display: grid;
  gap: 10px;
  padding: 24px 22px;
  background: var(--white);
  border: 1px solid var(--line);
}

.model-id {
  color: var(--signal-dark);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.model-card dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 8px 0 0;
}

.model-card dt {
  margin: 0 0 4px;
  color: var(--slate);
  font-size: 10px;
}

.model-card dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}

.copy-model {
  justify-self: start;
  min-height: 36px;
  margin-top: 8px;
  padding: 0 12px;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--ink);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.copy-model:hover {
  color: var(--white);
  background: var(--ink);
}

@media (max-width: 1100px) {
  .brand-en {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-left: 0;
  }

  .hero-copy {
    max-width: none;
    min-height: min(760px, calc(100svh - 76px));
    padding: 75px var(--page-gutter) 55px;
  }

  .hero h1 {
    max-width: 800px;
  }

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

  .hero-visual {
    min-height: 680px;
  }

  .manifest {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .protocol-section,
  .membership-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 800px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

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

  .brand-en {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .js .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    padding: 12px var(--page-gutter) 20px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

  .js .site-nav.open {
    display: grid;
    gap: 0;
  }

  .site-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .site-nav .nav-console {
    margin-top: 10px;
    padding: 13px 15px;
    border-bottom: 0;
  }

  .menu-toggle[aria-expanded="true"] i {
    background: transparent;
  }

  .menu-toggle[aria-expanded="true"] i::before {
    transform: rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] i::after {
    transform: rotate(-45deg) translateY(-1px);
  }

  .hero-copy {
    min-height: auto;
    padding-top: 64px;
  }

  .hero h1 {
    font-size: clamp(42px, 12vw, 64px);
  }

  .hero-proof {
    margin-top: 56px;
  }

  .manifest ol {
    grid-template-columns: 1fr 1fr;
    row-gap: 22px;
  }

  .protocol-section,
  .reliability-section,
  .closing-section {
    padding-top: 84px;
    padding-bottom: 84px;
  }

  .reliability-head,
  .closing-section {
    grid-template-columns: 1fr;
  }

  .reliability-head {
    gap: 14px;
  }

  .capability-ledger article {
    grid-template-columns: 50px 1fr;
    gap: 12px 20px;
    padding: 28px 0;
  }

  .capability-ledger p,
  .capability-ledger strong {
    grid-column: 2;
  }

  .capability-ledger strong {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: 66px;
  }

  .brand-name {
    font-size: 17px;
  }

  .menu-toggle {
    min-height: 44px;
  }

  .hero-copy {
    padding-top: 52px;
    padding-bottom: 45px;
  }

  .section-label {
    margin-bottom: 17px;
  }

  .hero h1 {
    font-size: clamp(38px, 11.5vw, 52px);
    line-height: 1.13;
  }

  .hero-intro {
    margin-top: 23px;
    font-size: 14px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
    margin-top: 30px;
  }

  .action.primary,
  .action.text {
    width: 100%;
  }

  .action.text {
    justify-content: center;
    border: 1px solid var(--line);
  }

  .hero-proof {
    grid-template-columns: 1fr;
    gap: 13px;
    margin-top: 38px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
  }

  .hero-proof > div,
  .hero-proof > div:first-child {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 0;
    border: 0;
  }

  .hero-proof dt {
    margin: 0;
  }

  .hero-visual {
    min-height: 570px;
    padding: 25px 20px;
  }

  .visual-head {
    align-items: flex-start;
  }

  .visual-head p {
    max-width: 120px;
    text-align: right;
  }

  .route-scenarios {
    gap: 6px;
    margin-top: 20px;
    overflow-x: auto;
  }

  .route-scenarios > span {
    display: none;
  }

  .route-scenarios button {
    flex: 1 0 auto;
    min-height: 44px;
    padding: 0 10px;
  }

  .route-map {
    min-height: 420px;
  }

  .route-entry {
    left: 13.7%;
    width: 76px;
    height: 76px;
  }

  .route-hub {
    left: 47%;
    width: 90px;
    height: 90px;
    box-shadow: 0 0 0 11px rgba(255, 106, 71, 0.065);
  }

  .hub-orbit {
    inset: -11px;
  }

  .route-node strong {
    font-size: 10px;
  }

  .route-node > span:not(.hub-orbit) {
    font-size: 7px;
  }

  .route-port {
    right: 0;
    grid-template-columns: 7px 1fr;
    width: 124px;
    min-height: 50px;
    padding: 8px;
  }

  .route-port b {
    display: none;
  }

  .port-one { top: calc(17.9% - 25px); }
  .port-two { top: calc(50% - 25px); }
  .port-three { top: calc(82.1% - 25px); }

  .route-demo {
    grid-template-columns: 1fr auto;
  }

  .route-demo .demo-index {
    display: none;
  }

  .route-trace {
    padding-top: 14px;
  }

  .route-trace li {
    gap: 5px;
    font-size: 8px;
  }

  .route-trace li:not(:last-child)::after {
    display: none;
  }

  .manifest {
    padding-top: 26px;
    padding-bottom: 30px;
  }

  .manifest ol {
    grid-template-columns: 1fr;
  }

  .manifest li {
    padding-left: 14px;
  }

  .section-copy h2,
  .reliability-head h2,
  .closing-section h2 {
    font-size: clamp(35px, 10vw, 48px);
  }

  .section-note {
    font-size: 14px;
  }

  .code-window {
    margin-right: 10px;
    box-shadow: 10px 10px 0 #dce6e1;
  }

  .code-window pre {
    min-height: 310px;
    padding: 28px 20px;
    font-size: 10px;
  }

  .code-head button {
    min-height: 44px;
  }

  .capability-ledger article {
    grid-template-columns: 42px 1fr;
  }

  .closing-section {
    gap: 44px;
  }

  .action.light {
    width: 100%;
  }

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

  .site-footer p {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}