:root {
  color-scheme: dark;
  --paper: #050505;
  --ink: #f7f5ef;
  --muted: #aaa69c;
  --panel: #101010;
  --panel-strong: #171717;
  --line: #2a2a2a;
  --accent: #d9f8e9;
  --accent-strong: #9df1d2;
  --warn: #f4d17e;
  --radius: 8px;
  --shadow: 0 28px 90px rgba(0, 0, 0, .42);
  font-family: "HarmonyOS Sans SC", "Microsoft YaHei UI", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px) 0 0 / 86px 86px,
    radial-gradient(circle at 78% 8%, rgba(157, 241, 210, .12), transparent 26%),
    var(--paper);
  color: var(--ink);
}

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

img,
svg {
  max-width: 100%;
  height: auto;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: .42;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto minmax(0, 1fr);
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 5, 5, .84);
  backdrop-filter: blur(18px);
  padding: 14px clamp(18px, 4vw, 42px);
}

.site-brand,
.site-nav,
.hero-actions,
.signal-row,
.channel-switch,
.data-columns,
.release-list li {
  display: flex;
  align-items: center;
  min-width: 0;
}

.site-brand {
  gap: 12px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
}

.site-brand img {
  width: 36px;
  height: 36px;
}

.site-nav {
  justify-content: center;
  gap: 8px;
}

.site-nav a,
.header-action,
.secondary-action,
.channel-switch button,
.language-badge {
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 15px;
  padding: 10px 12px;
}

.language-badge {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 8px;
  min-height: 44px;
  border-color: var(--line);
  background: rgba(5, 5, 5, .72);
  color: var(--ink);
  white-space: nowrap;
}

.language-badge span {
  color: var(--muted);
  font-size: 12px;
}

.language-badge strong {
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.site-nav a:hover,
.header-action:hover,
.secondary-action:hover,
.channel-switch button:hover,
.channel-switch button.selected {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, .055);
}

.header-action {
  justify-self: end;
  border-color: var(--line);
}

.hero {
  min-height: 82vh;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(420px, 1.08fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: center;
  padding: clamp(32px, 6vw, 78px) clamp(18px, 5vw, 64px) 36px;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

:is(h1, h2, h3, h4, .brand-title, .brand-slogan, .eyebrow) {
  writing-mode: horizontal-tb;
  text-orientation: mixed;
}

h1 {
  margin-bottom: 22px;
  color: var(--ink);
  font-size: clamp(50px, 6.2vw, 86px);
  font-weight: 900;
  line-height: .96;
  letter-spacing: 0;
  opacity: 1;
  text-shadow: none;
  -webkit-text-fill-color: var(--ink);
}

.brand-title {
  display: grid;
  gap: .04em;
  color: var(--ink);
  font-weight: 900;
  opacity: 1;
  filter: none;
  mix-blend-mode: normal;
}

.brand-title span {
  display: block;
  color: var(--ink);
  font-weight: 900;
  opacity: 1;
  text-shadow: none;
  -webkit-text-fill-color: var(--ink);
}

.brand-title-en {
  font-weight: 800;
}

.brand-title-cn {
  font-weight: 900;
  white-space: nowrap;
}

.brand-slogan {
  margin: -8px 0 18px;
  color: var(--accent);
  font-size: clamp(20px, 2.8vw, 34px);
  font-weight: 900;
  line-height: 1.18;
  word-break: keep-all;
}

h2 {
  color: var(--ink);
  margin-bottom: 0;
  font-size: clamp(30px, 3.2vw, 42px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: 0;
  opacity: 1;
  text-shadow: none;
  -webkit-text-fill-color: var(--ink);
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.hero-lede {
  max-width: 650px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 24px;
}

.primary-action,
.secondary-action {
  max-width: 100%;
  min-height: 44px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  font-weight: 700;
  text-align: center;
}

.primary-action {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.primary-action:hover {
  background: var(--accent);
}

.secondary-action {
  border-color: var(--line);
}

.compact {
  min-height: 40px;
  padding: 10px 14px;
}

.signal-row {
  flex-wrap: wrap;
  gap: 10px;
}

.signal-row span {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 16, 16, .8);
  color: var(--muted);
  padding: 10px 12px;
}

.signal-row strong {
  color: var(--ink);
  margin-right: 4px;
}

.hero-media {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .01));
  box-shadow: var(--shadow);
  overflow: hidden;
  aspect-ratio: 16 / 11;
}

.hero-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: left top;
}

.quick-search,
.section-band,
.data-wall,
.support-band,
.download-band,
.api-info-band,
.site-footer {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto 28px;
}

.quick-search {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}

.search-console,
.waitlist {
  display: grid;
  grid-template-columns: minmax(220px, .85fr) minmax(320px, 1.25fr) auto;
  gap: 12px;
  align-items: end;
}

.waitlist {
  grid-template-columns: minmax(200px, .85fr) minmax(240px, 1fr) minmax(180px, .72fr) auto;
}

.selected-plan-field {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.selected-plan-field strong {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(160, 255, 210, .08);
  color: var(--accent-strong);
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

input,
select {
  min-height: 44px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0b0b0b;
  color: var(--ink);
  outline: none;
  padding: 0 12px;
}

input:focus,
select:focus {
  border-color: var(--accent-strong);
}

.channel-switch {
  flex-wrap: wrap;
  gap: 8px;
  align-self: end;
}

.channel-switch button {
  min-height: 40px;
  background: #0a0a0a;
}

.result-strip {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.lead-card,
.feature-grid article,
.pricing-grid article,
.data-columns div,
.demo-route-mini li,
.demo-proof-metrics div {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 16, 16, .86);
}

.lead-card {
  min-height: 132px;
  display: grid;
  align-content: space-between;
  gap: 16px;
  padding: 14px;
}

.lead-card strong,
.data-columns strong,
.pricing-grid strong {
  display: block;
  font-size: 18px;
}

.lead-card small,
.lead-card span,
.data-columns span,
.pricing-grid span,
.pricing-grid p,
.feature-grid p,
.release-list span,
.waitlist p,
.demo-route-mini span {
  color: var(--muted);
  line-height: 1.55;
}

.section-band,
.data-wall,
.support-band,
.download-band,
.api-info-band {
  scroll-margin-top: 96px;
  padding: 72px 0 44px;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 26px;
}

.section-heading h2,
.quick-search h2 {
  color: var(--ink);
  max-width: 820px;
  opacity: 1;
  text-shadow: none;
  -webkit-text-fill-color: var(--ink);
  word-break: keep-all;
}

.site-brand span,
.site-nav a,
.eyebrow,
.channel-switch button {
  white-space: nowrap;
  word-break: keep-all;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.feature-grid article,
.pricing-grid article {
  min-height: 220px;
  padding: 18px;
}

.feature-grid span {
  display: block;
  margin-bottom: 44px;
  color: var(--accent-strong);
  font-weight: 700;
}

.data-wall {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.data-columns {
  align-items: stretch;
  gap: 12px;
}

.data-columns div {
  flex: 1;
  min-height: 150px;
  padding: 16px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.pricing-choice-note {
  max-width: 720px;
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.pricing-grid article {
  display: grid;
  align-content: space-between;
  gap: 18px;
}

.pricing-grid article[data-plan-card] {
  position: relative;
  overflow: hidden;
  min-height: 340px;
  cursor: pointer;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.pricing-grid article[data-plan-card]:hover,
.pricing-grid article[data-plan-card]:focus-visible,
.pricing-grid article[data-plan-card]:focus-within {
  border-color: var(--accent);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .28);
  transform: translateY(-2px);
  outline: none;
}

.pricing-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  margin: -1px;
  overflow: hidden;
  padding: 0;
  white-space: nowrap;
}

.pricing-grid article.selected,
.pricing-grid article[data-plan-card][aria-pressed="true"],
.pricing-grid article:has(.pricing-radio:checked) {
  border-color: var(--accent-strong);
  background: #f7f5ef;
  color: #050505;
  box-shadow: 0 0 0 2px rgba(160, 255, 210, .18), 0 20px 45px rgba(0, 0, 0, .32);
}

.pricing-package-name {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 850;
}

.pricing-tier {
  color: var(--muted);
  font-size: 13px;
}

.pricing-includes {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pricing-includes li {
  border-top: 1px solid rgba(255, 255, 255, .08);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  padding-top: 8px;
}

.pricing-select {
  min-height: 40px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.pricing-grid article:hover .pricing-select,
.pricing-grid article:focus-visible .pricing-select,
.pricing-grid article:focus-within .pricing-select,
.pricing-grid article.selected .pricing-select,
.pricing-grid article[data-plan-card][aria-pressed="true"] .pricing-select,
.pricing-grid article:has(.pricing-radio:checked) .pricing-select {
  border-color: var(--accent);
  background: rgba(160, 255, 210, .12);
}

.pricing-grid .featured:not(.selected):not([aria-pressed="true"]) {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(217, 248, 233, .08), rgba(16, 16, 16, .86));
}

.pricing-grid article.selected span,
.pricing-grid article.selected p,
.pricing-grid article.selected .pricing-includes li,
.pricing-grid article[data-plan-card][aria-pressed="true"] span,
.pricing-grid article[data-plan-card][aria-pressed="true"] p,
.pricing-grid article[data-plan-card][aria-pressed="true"] .pricing-includes li {
  color: #33433c;
}

.pricing-grid article.selected .pricing-select,
.pricing-grid article[data-plan-card][aria-pressed="true"] .pricing-select {
  border-color: rgba(5, 5, 5, .28);
  color: #050505;
}

.billing-policy-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.billing-policy-strip article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 16, 16, .82);
  padding: 16px;
}

.billing-policy-strip strong,
.billing-policy-strip span {
  display: block;
}

.billing-policy-strip span {
  color: var(--muted);
  line-height: 1.55;
  margin-top: 8px;
}

.support-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.support-grid article,
.support-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 16, 16, .86);
}

.support-grid article {
  min-height: 190px;
  display: grid;
  align-content: space-between;
  gap: 14px;
  padding: 18px;
}

.support-grid span {
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.support-grid strong {
  display: block;
  font-size: 20px;
}

.support-grid p,
.support-form p {
  color: var(--muted);
  line-height: 1.6;
}

.support-form {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr) auto auto;
  gap: 12px;
  align-items: end;
  margin-top: 14px;
  padding: 16px;
}

.support-form p {
  grid-column: 1 / -1;
  margin: 0;
}

.inline-link {
  color: var(--accent-strong);
  font-weight: 700;
}

.legal-band {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto 28px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 28px;
}

.legal-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.legal-card-grid article,
.legal-section {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 16, 16, .86);
}

.legal-card-grid article {
  min-height: 210px;
  display: grid;
  align-content: space-between;
  gap: 12px;
  padding: 18px;
}

.legal-card-grid span {
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.legal-card-grid strong {
  display: block;
  font-size: 20px;
}

.legal-card-grid p {
  color: var(--muted);
  line-height: 1.6;
}

.legal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.api-info-band {
  border-top: 1px solid var(--line);
}

.api-info-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.api-info-grid article,
.api-endpoint-grid,
.site-footer {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 16, 16, .84);
}

.api-info-grid article {
  min-height: 190px;
  display: grid;
  align-content: space-between;
  gap: 14px;
  padding: 18px;
}

.api-info-grid span {
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.api-info-grid strong {
  display: block;
  font-size: 20px;
}

.api-info-grid p,
.api-security-note {
  color: var(--muted);
  line-height: 1.6;
}

.api-endpoint-grid {
  display: grid;
  grid-template-columns: minmax(220px, .55fr) minmax(0, 1fr);
  gap: 0;
  margin-top: 14px;
  overflow: hidden;
}

.plan-action-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  margin-top: 16px;
  padding: 18px;
  border: 1px solid rgba(181, 255, 219, .36);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(181, 255, 219, .13), rgba(16, 16, 16, .9));
}

.plan-action-panel strong {
  display: block;
  margin: 6px 0 8px;
  font-size: 24px;
}

.plan-action-panel p {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.plan-action-kicker {
  display: inline-flex;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
}

.plan-action-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.plan-proof-card {
  display: grid;
  grid-template-columns: minmax(0, .68fr) minmax(320px, 1fr);
  align-items: center;
  gap: 18px;
  margin-top: 12px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .08), transparent 52%),
    rgba(255, 255, 255, .035);
}

.plan-proof-card span,
.plan-proof-card strong {
  display: block;
}

.plan-proof-card span {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 850;
}

.plan-proof-card strong {
  margin-top: 6px;
  color: var(--ink);
  font-size: 22px;
}

.plan-proof-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.plan-proof-list li {
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid rgba(181, 255, 219, .22);
  border-radius: 14px;
  color: var(--muted);
  background: rgba(16, 16, 16, .34);
  font-weight: 750;
  line-height: 1.45;
}

.pilot-opening-panel {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(320px, 1fr);
  gap: 18px;
  margin-top: 12px;
  border: 1px solid rgba(244, 209, 126, .36);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(244, 209, 126, .12), transparent 54%),
    rgba(16, 16, 16, .84);
  padding: 18px;
}

.pilot-opening-panel span,
.pilot-opening-panel strong,
.pilot-opening-panel p {
  display: block;
  min-width: 0;
}

.pilot-opening-panel span {
  color: var(--warn);
  font-size: 13px;
  font-weight: 850;
}

.pilot-opening-panel strong {
  margin: 6px 0 8px;
  color: var(--ink);
  font-size: 22px;
}

.pilot-opening-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.62;
  overflow-wrap: anywhere;
}

.pilot-opening-steps {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.55;
}

.pilot-opening-steps li::marker {
  color: var(--warn);
  font-weight: 900;
}

.api-endpoint-grid strong,
.api-endpoint-grid span {
  min-width: 0;
  min-height: 62px;
  display: flex;
  align-items: center;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  padding: 14px 16px;
}

.api-endpoint-grid strong {
  color: var(--accent);
  font-weight: 800;
}

.api-endpoint-grid span {
  color: var(--muted);
  line-height: 1.55;
}

.api-endpoint-grid strong:nth-last-child(-n + 2),
.api-endpoint-grid span:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.api-security-note {
  max-width: 860px;
  margin: 16px 0 0;
}

.legal-policy-stack {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.legal-policy-stack article {
  display: grid;
  grid-template-columns: 54px minmax(180px, .62fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 8, 8, .72);
  padding: 15px;
}

.legal-policy-stack span {
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
}

.legal-policy-stack strong {
  font-size: 18px;
}

.legal-policy-stack p {
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

.legal-page {
  width: min(980px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(28px, 5vw, 72px) 0 48px;
}

.legal-hero,
.legal-section {
  margin-bottom: 14px;
}

.legal-hero {
  border-bottom: 1px solid var(--line);
  padding-bottom: 28px;
}

.legal-hero h1 {
  max-width: 820px;
  font-size: clamp(42px, 6vw, 76px);
}

.legal-hero p,
.legal-section p,
.legal-section li {
  color: var(--muted);
  line-height: 1.75;
}

.legal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.legal-meta span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .045);
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 700;
  padding: 8px 10px;
}

.legal-section {
  padding: 22px;
}

.legal-section h2 {
  margin-bottom: 12px;
  font-size: clamp(28px, 4vw, 44px);
}

.legal-section ul {
  display: grid;
  gap: 9px;
  margin: 14px 0 0;
  padding-left: 20px;
}

.download-band {
  display: grid;
  grid-template-columns: minmax(280px, .82fr) minmax(420px, 1fr);
  gap: 32px;
}

.download-intro {
  align-self: start;
}

.release-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.release-proof span {
  border: 1px solid rgba(217, 248, 233, .34);
  border-radius: var(--radius);
  background: rgba(217, 248, 233, .08);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  padding: 9px 10px;
}

.download-console {
  display: grid;
  grid-template-columns: minmax(180px, 1.1fr) repeat(3, minmax(0, .8fr));
  gap: 12px;
  min-width: 0;
}

.release-download-console {
  grid-template-columns: repeat(2, minmax(260px, 1fr));
}

.download-card {
  min-width: 0;
  min-height: 260px;
  display: grid;
  align-content: space-between;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 16, 16, .84);
  padding: 18px;
}

.download-card span {
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.download-card h3 {
  font-size: 24px;
}

.download-card p {
  color: var(--muted);
  line-height: 1.65;
}

.primary-download {
  border-color: rgba(217, 248, 233, .66);
  background:
    linear-gradient(135deg, rgba(217, 248, 233, .12), transparent 48%),
    rgba(16, 16, 16, .92);
}

.release-package {
  grid-row: span 2;
}

.release-download-console .release-package {
  grid-column: 1 / -1;
  grid-row: auto;
}

.demo-package-card {
  border-color: rgba(157, 241, 210, .44);
  background:
    linear-gradient(135deg, rgba(157, 241, 210, .08), transparent 40%),
    rgba(16, 16, 16, .92);
}

.demo-proof-card {
  border-color: rgba(217, 248, 233, .5);
  background:
    linear-gradient(160deg, rgba(217, 248, 233, .11), transparent 46%),
    rgba(12, 12, 12, .94);
}

.demo-route-mini {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.demo-route-mini li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 10px;
  padding: 10px;
}

.demo-route-mini strong {
  color: var(--accent-strong);
  font-size: 13px;
}

.demo-proof-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.demo-proof-metrics div {
  display: grid;
  gap: 2px;
  min-width: 0;
  padding: 10px;
}

.demo-proof-metrics strong {
  color: var(--ink);
  font-size: 28px;
  line-height: 1;
}

.demo-proof-metrics small {
  color: var(--muted);
  font-size: 12px;
}

.demo-proof-flow {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.5;
}

.installer-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.installer-meta div {
  min-width: 0;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.installer-meta dt {
  color: var(--muted);
  font-size: 12px;
}

.installer-meta dd {
  margin: 5px 0 0;
  color: var(--ink);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.installer-preview {
  display: grid;
  gap: 10px;
  margin: 0;
}

.installer-preview img {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #050505;
  object-fit: cover;
}

.installer-preview figcaption {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

code {
  display: block;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #050505;
  color: var(--accent);
  padding: 9px 10px;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.status-note {
  border: 1px solid rgba(217, 248, 233, .28);
  border-radius: var(--radius);
  background: rgba(217, 248, 233, .06);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.55;
  margin: 0;
  padding: 10px 12px;
}

.release-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.roadmap-console {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.roadmap-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(10, 10, 10, .92);
  padding: 16px;
}

.roadmap-card.active {
  border-color: rgba(217, 248, 233, .55);
  background:
    linear-gradient(135deg, rgba(217, 248, 233, .1), transparent 45%),
    rgba(10, 10, 10, .92);
}

.roadmap-card.paused {
  border-color: rgba(244, 209, 126, .34);
  background:
    linear-gradient(135deg, rgba(244, 209, 126, .08), transparent 48%),
    rgba(10, 10, 10, .92);
}

.roadmap-card span {
  color: var(--accent-strong);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.roadmap-card h3 {
  margin: 14px 0 10px;
}

.roadmap-card p {
  color: var(--muted);
  margin: 0;
}

.release-list li {
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}

.release-list strong {
  min-width: 150px;
}

.waitlist {
  grid-column: 1 / -1;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 16, 16, .8);
  padding: 16px;
}

.waitlist p {
  margin: 0;
  align-self: center;
}

.mail-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.waitlist-tools {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto auto;
  gap: 10px;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.waitlist-tools div {
  display: grid;
  gap: 4px;
}

.waitlist-tools strong {
  font-size: 18px;
}

.waitlist-tools span {
  color: var(--muted);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 0;
  padding: 20px;
}

.site-footer strong,
.site-footer a {
  color: var(--ink);
  font-weight: 800;
}

.site-footer span {
  color: var(--muted);
}

@media (max-width: 1080px) {
  .site-header,
  .hero,
  .quick-search,
  .download-band {
    grid-template-columns: 1fr;
  }

  .site-nav {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .header-action,
  .language-badge {
    justify-self: start;
  }

  .hero {
    min-height: auto;
  }

  .hero-media {
    min-height: 420px;
  }

  .quick-search,
  .result-strip {
    grid-column: auto;
  }

  .search-console,
  .waitlist,
  .support-form,
  .result-strip,
  .feature-grid,
  .api-info-grid,
  .pricing-grid,
  .billing-policy-strip,
  .support-grid,
  .legal-card-grid,
  .legal-policy-stack article,
  .download-console,
  .roadmap-console {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .release-package {
    grid-row: auto;
  }

  .plan-action-panel {
    grid-template-columns: 1fr;
  }

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

  .pilot-opening-panel {
    grid-template-columns: 1fr;
  }

  .plan-action-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 680px) {
  .site-header {
    padding: 12px 14px;
  }

  .site-nav {
    display: none;
  }

  .language-badge {
    width: 100%;
    justify-content: space-between;
  }

  .primary-action,
  .secondary-action,
  .mail-action {
    width: 100%;
    white-space: normal;
  }

  .hero {
    padding: 30px 18px 22px;
  }

  .brand-title-cn,
  .section-heading h2,
  .quick-search h2 {
    white-space: normal;
    word-break: normal;
  }

  .hero-media {
    min-height: 0;
  }

  .quick-search,
  .section-band,
  .data-wall,
  .support-band,
  .download-band,
  .api-info-band,
  .site-footer {
    width: calc(100% - 28px);
  }

  .search-console,
  .waitlist,
  .support-form,
  .result-strip,
  .feature-grid,
  .api-info-grid,
  .api-endpoint-grid,
  .pricing-grid,
  .billing-policy-strip,
  .support-grid,
  .legal-card-grid,
  .legal-policy-stack article,
  .download-console,
  .roadmap-console,
  .data-columns {
    grid-template-columns: 1fr;
  }

  .channel-switch {
    flex-wrap: wrap;
  }

  .release-list li {
    display: grid;
    justify-content: stretch;
  }

  .waitlist-tools {
    grid-template-columns: 1fr;
  }

  .api-endpoint-grid strong,
  .api-endpoint-grid span {
    min-height: auto;
  }

  .installer-meta {
    grid-template-columns: 1fr;
  }

  .plan-action-panel strong {
    font-size: 20px;
  }

  .plan-proof-card strong {
    font-size: 20px;
  }

  .plan-proof-list {
    grid-template-columns: 1fr;
  }
}

/* ARC'TYNOVA product-site visual system — 2026-09-02 */
:root {
  color-scheme: light;
  --paper: #f4f5ef;
  --ink: #0d2926;
  --muted: #647773;
  --panel: #ffffff;
  --panel-strong: #eef4ed;
  --line: rgba(13, 41, 38, .14);
  --accent: #0f746a;
  --accent-strong: #0f746a;
  --warn: #9b6b12;
  --lime: #dff58a;
  --red: #b72436;
  --radius: 22px;
  --shadow: 0 34px 90px rgba(13, 41, 38, .12);
  font-family: "Aptos", "Segoe UI Variable", "PingFang SC", "Microsoft YaHei", sans-serif;
}

body {
  background:
    linear-gradient(90deg, rgba(13, 41, 38, .026) 1px, transparent 1px) 50% 0 / 84px 84px,
    radial-gradient(circle at 86% 4%, rgba(223, 245, 138, .28), transparent 25%),
    var(--paper);
}

.site-header {
  width: min(1460px, calc(100% - 64px));
  min-height: 96px;
  margin: 0 auto;
  grid-template-columns: minmax(260px, 1fr) auto auto minmax(220px, 1fr);
  border-bottom-color: var(--line);
  background: rgba(244, 245, 239, .87);
  backdrop-filter: blur(20px);
  padding: 14px 0;
}

.site-brand {
  gap: 18px;
}

.site-brand img {
  width: 166px;
  height: auto;
}

.site-product-name {
  border-left: 1px solid var(--line);
  padding-left: 18px;
  color: var(--teal, #0f746a);
  font: 600 15px/1.2 "Iowan Old Style", "Palatino Linotype", "Noto Serif SC", serif;
  letter-spacing: -.015em;
}

.site-nav {
  gap: 18px;
}

.site-nav a,
.header-action,
.secondary-action,
.channel-switch button,
.language-badge {
  border-radius: 999px;
}

.site-nav a {
  position: relative;
  padding: 11px 4px;
  font-size: 12px;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 4px;
  bottom: 5px;
  left: 4px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .3s cubic-bezier(.22, 1, .36, 1);
}

.site-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.language-badge {
  background: rgba(255, 255, 255, .72);
}

.header-action {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
  font-weight: 750;
}

.header-action:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.hero {
  position: relative;
  width: min(1460px, calc(100% - 64px));
  min-height: 760px;
  margin: 0 auto 82px;
  grid-template-columns: minmax(0, 1.08fr) minmax(480px, .92fr);
  gap: clamp(40px, 6vw, 104px);
  border-bottom: 1px solid var(--line);
  padding: 88px 0 98px;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 56px -5% 56px 48%;
  border-radius: 44% 8% 44% 8%;
  background:
    radial-gradient(circle at 30% 26%, rgba(255, 255, 255, .95), transparent 28%),
    linear-gradient(145deg, rgba(207, 235, 224, .86), rgba(223, 245, 138, .46));
  transform: rotate(-2.5deg);
}

.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 14px;
  height: 14px;
  top: 16%;
  right: 10%;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 10px rgba(183, 36, 54, .08);
  animation: arctynovaDrift 6s ease-in-out infinite;
}

.hero-copy {
  max-width: 820px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 13px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .16em;
}

.eyebrow > span {
  width: 38px;
  height: 1px;
  background: currentColor;
}

h1,
.brand-title {
  margin: 30px 0 28px;
  font: 400 clamp(58px, 6.4vw, 102px)/.94 "Iowan Old Style", "Palatino Linotype", "Noto Serif SC", serif;
  letter-spacing: -.065em;
}

.brand-title {
  gap: .08em;
}

.brand-title-en {
  color: var(--ink);
  font-weight: 400;
}

.brand-title-cn {
  color: var(--accent) !important;
  font-weight: 400 !important;
  -webkit-text-fill-color: var(--accent) !important;
}

.brand-slogan {
  max-width: 650px;
  margin: 0 0 20px;
  color: var(--ink);
  font: 500 clamp(21px, 2.2vw, 31px)/1.35 "Iowan Old Style", "Palatino Linotype", "Noto Serif SC", serif;
}

.hero-lede {
  max-width: 700px;
  font-size: 15px;
  line-height: 2;
}

.primary-action {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
  transition: transform .25s ease, background .25s ease, border-color .25s ease;
}

.primary-action:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.secondary-action,
.channel-switch button {
  background: rgba(255, 255, 255, .62);
}

.hero-media {
  border-radius: 30px;
  border-color: rgba(13, 41, 38, .2);
  background: rgba(255, 255, 255, .48);
  box-shadow: 0 34px 90px rgba(13, 41, 38, .16);
  transform: rotate(1.2deg);
}

.hero-media::before {
  content: "WINDOWS WORKSPACE / 0.1.2";
  position: absolute;
  z-index: 2;
  top: 16px;
  left: 16px;
  border: 1px solid rgba(13, 41, 38, .16);
  border-radius: 999px;
  background: rgba(244, 245, 239, .9);
  color: var(--ink);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .13em;
  padding: 9px 12px;
  backdrop-filter: blur(10px);
}

.signal-row span {
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
}

.quick-search,
.section-band,
.data-wall,
.support-band,
.download-band,
.api-info-band,
.legal-band,
.site-footer {
  width: min(1320px, calc(100% - 64px));
}

.quick-search,
.section-band,
.data-wall,
.support-band,
.download-band,
.api-info-band {
  margin-bottom: 72px;
}

.quick-search {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, .58);
  box-shadow: 0 24px 64px rgba(13, 41, 38, .07);
  padding: 28px;
}

h2,
.section-heading h2,
.quick-search h2 {
  font: 400 clamp(38px, 4.4vw, 64px)/1.04 "Iowan Old Style", "Palatino Linotype", "Noto Serif SC", serif;
  letter-spacing: -.045em;
}

input,
select,
.channel-switch button {
  border-color: var(--line);
  background: rgba(255, 255, 255, .9);
  color: var(--ink);
}

.channel-switch button.selected {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.lead-card,
.feature-grid article,
.pricing-grid article,
.data-columns div,
.demo-route-mini li,
.demo-proof-metrics div,
.billing-policy-strip article,
.support-grid article,
.support-form,
.legal-card-grid article,
.legal-section,
.api-info-grid article,
.api-endpoint-grid,
.legal-policy-stack article,
.download-card,
.roadmap-card,
.waitlist,
.site-footer {
  background: rgba(255, 255, 255, .78);
  box-shadow: 0 18px 52px rgba(13, 41, 38, .055);
}

.feature-grid article,
.pricing-grid article,
.data-columns div,
.support-grid article,
.legal-card-grid article,
.api-info-grid article,
.download-card,
.roadmap-card {
  transition: transform .35s cubic-bezier(.22, 1, .36, 1), box-shadow .35s ease, border-color .35s ease;
}

.feature-grid article:hover,
.data-columns div:hover,
.support-grid article:hover,
.api-info-grid article:hover,
.download-card:hover,
.roadmap-card:hover {
  transform: translateY(-5px);
  border-color: rgba(15, 116, 106, .35);
  box-shadow: 0 26px 62px rgba(13, 41, 38, .1);
}

.pricing-grid article.selected,
.pricing-grid article[data-plan-card][aria-pressed="true"],
.pricing-grid article:has(.pricing-radio:checked) {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
  box-shadow: 0 28px 70px rgba(13, 41, 38, .2);
}

.pricing-grid article.selected strong,
.pricing-grid article[data-plan-card][aria-pressed="true"] strong {
  color: #fff;
}

.pricing-grid article.selected span,
.pricing-grid article.selected p,
.pricing-grid article.selected .pricing-includes li,
.pricing-grid article[data-plan-card][aria-pressed="true"] span,
.pricing-grid article[data-plan-card][aria-pressed="true"] p,
.pricing-grid article[data-plan-card][aria-pressed="true"] .pricing-includes li {
  color: #dcece6;
}

.pricing-grid article.selected .pricing-select,
.pricing-grid article[data-plan-card][aria-pressed="true"] .pricing-select {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink);
}

.plan-action-panel,
.plan-proof-card,
.pilot-opening-panel,
.primary-download,
.release-package,
.demo-package-card,
.demo-proof-card,
.roadmap-card.active,
.roadmap-card.paused {
  background:
    radial-gradient(circle at 100% 0, rgba(223, 245, 138, .22), transparent 32%),
    rgba(255, 255, 255, .84);
}

.legal-meta span,
.release-proof span,
.status-note,
.selected-plan-field strong {
  border-color: rgba(15, 116, 106, .2);
  background: rgba(15, 116, 106, .07);
  color: var(--accent);
}

.installer-preview img,
code {
  background: var(--ink);
}

code {
  color: var(--lime);
}

.site-footer {
  min-height: 112px;
  border-radius: 28px 28px 0 0;
  padding: 26px 30px;
}

.footer-brand-lockup {
  display: flex;
  align-items: center;
  gap: 15px;
}

.footer-brand-lockup img {
  width: 150px;
  height: auto;
}

.footer-brand-lockup strong {
  border-left: 1px solid var(--line);
  padding-left: 15px;
  color: var(--accent);
  font: 600 14px/1.2 "Iowan Old Style", "Palatino Linotype", serif;
}

@keyframes arctynovaDrift {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(-10px, 13px, 0); }
}

@media (max-width: 1080px) {
  .site-header,
  .hero {
    width: min(100% - 36px, 900px);
  }

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

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

  .site-nav {
    grid-column: 1 / -1;
    order: 3;
  }

  .language-badge {
    display: none;
  }

  .hero {
    padding-top: 56px;
  }

  .hero::before {
    inset: 45% -8% 3% 12%;
  }
}

@media (max-width: 680px) {
  .site-header {
    width: calc(100% - 28px);
    grid-template-columns: 1fr auto;
    padding: 12px 0;
  }

  .site-brand img {
    width: 132px;
  }

  .site-product-name {
    display: none;
  }

  .header-action {
    padding: 10px 13px;
    font-size: 12px;
  }

  .hero {
    width: calc(100% - 28px);
    margin-bottom: 48px;
    padding: 50px 0 56px;
  }

  .hero::before {
    inset: 50% -22% 2% 2%;
  }

  h1,
  .brand-title {
    font-size: clamp(47px, 15vw, 68px);
  }

  .quick-search,
  .section-band,
  .data-wall,
  .support-band,
  .download-band,
  .api-info-band,
  .legal-band,
  .site-footer {
    width: calc(100% - 28px);
  }

  .quick-search {
    padding: 20px;
  }

  .footer-brand-lockup {
    width: 100%;
  }
}