: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 {
  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;
}

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(210px, 1fr) auto auto minmax(176px, 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;
}

.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-select {
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 15px;
  padding: 10px 12px;
}

.language-select {
  position: relative;
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 8px;
  border-color: var(--line);
  justify-self: end;
  min-height: 44px;
  background: rgba(5, 5, 5, .72);
}

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

.language-trigger {
  min-width: 112px;
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 0;
  background: transparent;
  color: var(--ink);
  padding: 0;
}

.language-trigger strong {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
}

.language-trigger::after {
  width: 7px;
  height: 7px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  content: "";
  transform: rotate(45deg) translateY(-2px);
  transition: transform .16s ease, border-color .16s ease;
}

.language-select.open .language-trigger::after {
  border-color: var(--ink);
  transform: rotate(225deg) translateY(-1px);
}

.language-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 2100;
  width: 174px;
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 8, 8, .98);
  box-shadow: 0 18px 48px rgba(0, 0, 0, .42);
  opacity: 0;
  padding: 6px;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity .16s ease, transform .16s ease;
}

.language-select.open .language-panel,
.language-select:focus-within .language-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.language-panel button {
  min-height: 36px;
  width: 100%;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
  padding: 0 10px;
  text-align: left;
}

.language-panel button:hover,
.language-panel button:focus-visible,
.language-panel button.selected {
  border-color: rgba(217, 248, 233, .28);
  background: rgba(255, 255, 255, .08);
  color: var(--ink);
  outline: none;
}

.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 {
  min-height: 44px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  font-weight: 700;
}

.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;
}

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 {
  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-grid article {
  display: grid;
  align-content: space-between;
}

.pricing-grid .featured {
  border-color: var(--accent);
  background: #f7f5ef;
  color: #050505;
}

.pricing-grid .featured span,
.pricing-grid .featured p {
  color: #33433c;
}

.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;
}

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

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

.api-endpoint-grid code: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-select {
    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;
  }
}

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

  .site-nav {
    display: none;
  }

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

  .language-panel {
    left: 0;
    right: auto;
    width: min(100%, 220px);
  }

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

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