:root {
  --bg: #f6f8fc;
  --bg-soft: #eef3fb;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: #ffffff;
  --surface-dark: #071222;
  --surface-dark-soft: #0d1d34;
  --text: #18263d;
  --text-strong: #0a1628;
  --text-muted: #617089;
  --line: rgba(12, 28, 51, 0.08);
  --line-strong: rgba(24, 100, 255, 0.16);
  --brand: #1864ff;
  --brand-deep: #1248b5;
  --brand-soft: rgba(24, 100, 255, 0.1);
  --cyan: #32c5ff;
  --gold: #f3b33d;
  --shadow-lg: 0 40px 80px rgba(9, 26, 54, 0.14);
  --shadow-md: 0 20px 44px rgba(9, 26, 54, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --content-width: 1200px;
  --font-sans: 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.68;
  background:
    radial-gradient(circle at top left, rgba(50, 197, 255, 0.12), transparent 24%),
    radial-gradient(circle at top right, rgba(24, 100, 255, 0.08), transparent 28%),
    linear-gradient(180deg, #f9fbff 0%, var(--bg) 46%, #f7f9fc 100%);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.68;
}

body.is-flyout-open {
  overflow: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
}

.container {
  width: min(var(--content-width), calc(100vw - 40px));
  margin: 0 auto;
}

.site-shell {
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: rgba(248, 250, 255, 0.82);
  border-bottom: 1px solid rgba(12, 28, 51, 0.05);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  min-height: 74px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}


.brand-logo--icon {
  width: 60px;
  height: 60px;
  flex: 0 0 60px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--brand) 0%, var(--cyan) 100%);
  box-shadow: 0 14px 28px rgba(24, 100, 255, 0.22);
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  color: var(--text-strong);
  font-size: 17px;
  font-weight: 700;
}

.brand-copy em {
  color: var(--text-muted);
  font-size: 11px;
  font-style: normal;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-copy--cn {
  gap: 3px;
}

.brand-copy--cn strong {
  font-size: 18px;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.brand-copy--cn em {
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: none;
}

.site-nav,
.hero-actions,
.cta-actions,
.footer-links {
  display: flex;
  flex-wrap: wrap;
}

.site-nav {
  justify-content: flex-end;
  gap: 42px;
  margin-left: auto;
  margin-right: 18px;
}

.nav-link,
.footer-links a {
  color: var(--text-muted);
  font-size: 14px;
  letter-spacing: 0.03em;
  transition: color 180ms ease;
}

.nav-link:hover,
.nav-link.is-active,
.footer-links a:hover {
  color: var(--brand-deep);
}

.nav-link.is-active {
  font-weight: 700;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand) 0%, #2f7cff 58%, var(--cyan) 100%);
  box-shadow: 0 18px 34px rgba(24, 100, 255, 0.24);
}

.button-secondary {
  color: var(--brand-deep);
  border: 1px solid rgba(24, 100, 255, 0.14);
  background: rgba(255, 255, 255, 0.84);
}

.page-main {
  overflow: hidden;
}

.hero-section {
  position: relative;
  padding: 78px 0 64px;
}

.page-home .hero-section,
.page-product .hero-section,
.page-solutions .hero-section,
.page-contact .hero-section {
  background:
    radial-gradient(circle at top center, rgba(50, 197, 255, 0.16), transparent 30%),
    linear-gradient(180deg, #f7fbff 0%, rgba(246, 248, 252, 0.94) 42%, rgba(246, 248, 252, 0.72) 100%);
}

.page-home .hero-section::before,
.page-product .hero-section::before,
.page-solutions .hero-section::before,
.page-contact .hero-section::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(24, 100, 255, 0.04), transparent 22%, transparent 78%, rgba(50, 197, 255, 0.04)),
    linear-gradient(180deg, transparent 0%, rgba(24, 100, 255, 0.03) 100%);
  content: '';
  pointer-events: none;
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  align-items: center;
}

.hero-copy {
  max-width: 560px;
}

.hero-kicker,
.section-kicker,
.card-eyebrow,
.flyout-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(24, 100, 255, 0.14);
  color: var(--brand-deep);
  font-size: 12px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.72);
}

.hero-copy h1,
.section-head h2,
.feature-copy h2,
.cta-panel h2 {
  margin: 20px 0 0;
  color: var(--text-strong);
  letter-spacing: -0.05em;
  line-height: 1.68;
}

.hero-copy h1 {
  max-width: 560px;
  font-size: clamp(36px, 4.2vw, 60px);
}

.hero-summary,
.section-head p,
.feature-copy p,
.cta-panel p,
.site-card p,
.side-card p,
.field small,
.submit-row p,
.footer-brand p,
.floating-panel p,
.channel-copy p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.68;
}

.hero-summary {
  max-width: 560px;
  margin-top: 20px;
  font-size: 15px;
}

.hero-actions {
  gap: 14px;
  margin-top: 26px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.metric-card,
.site-card,
.side-card,
.form-shell,
.cta-panel,
.process-card,
.journey-card,
.split-panel {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-md);
}

.metric-card {
  padding: 16px 18px;
  border-radius: 18px;
  backdrop-filter: blur(16px);
}

.metric-card strong {
  display: block;
  color: var(--text-strong);
  font-size: 16px;
}

.metric-card span {
  display: block;
  margin-top: 6px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.68;
}

.hero-visual {
  position: relative;
}

.hero-media {
  position: relative;
  padding: 14px;
  border-radius: 26px;
  background:
    linear-gradient(145deg, rgba(8, 18, 36, 0.96), rgba(18, 40, 76, 0.94)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0));
  box-shadow: 0 34px 90px rgba(7, 18, 34, 0.26);
  overflow: hidden;
}

.hero-media::before {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(50, 197, 255, 0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(24, 100, 255, 0.18), transparent 28%);
  content: '';
  pointer-events: none;
}

.hero-media img {
  position: relative;
  z-index: 1;
  width: 100%;
  border-radius: 18px;
}

.hero-float {
  position: absolute;
  z-index: 2;
  min-height: 34px;
  padding: 0 13px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  line-height: 34px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  box-shadow: 0 16px 30px rgba(7, 18, 34, 0.28);
}

.hero-float-top {
  top: 20px;
  left: 20px;
}

.hero-float-right {
  top: 84px;
  right: 18px;
}

.hero-float-bottom {
  right: 18px;
  bottom: 18px;
}

.page-section {
  position: relative;
  padding: 82px 0;
}

.page-section.is-soft {
  background: linear-gradient(180deg, #f2f6fd 0%, #f7f9fc 100%);
}

.page-section.is-dark {
  color: #dbe6ff;
  background:
    radial-gradient(circle at top left, rgba(50, 197, 255, 0.12), transparent 30%),
    linear-gradient(180deg, #0a1628 0%, #0d1d34 100%);
}

.page-section.is-dark .section-kicker,
.page-section.is-dark .feature-tag,
.page-section.is-dark .card-eyebrow {
  color: #dbe6ff;
  border-color: rgba(219, 230, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
}

.page-section.is-dark h2,
.page-section.is-dark h3,
.page-section.is-dark strong {
  color: #fff;
}

.page-section.is-dark p,
.page-section.is-dark span,
.page-section.is-dark li {
  color: rgba(219, 230, 255, 0.76);
}

.page-section.is-cta {
  background:
    radial-gradient(circle at top right, rgba(50, 197, 255, 0.12), transparent 24%),
    linear-gradient(180deg, #edf4ff 0%, #f6f8fc 100%);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 28px;
  align-items: end;
  margin-bottom: 28px;
}

.section-head h2,
.feature-copy h2 {
  font-size: clamp(26px, 3vw, 42px);
}

.content-grid,
.contact-layout,
.process-grid,
.journey-grid,
.split-layout,
.channel-grid {
  display: grid;
  gap: 20px;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.site-card,
.side-card,
.split-panel,
.journey-card {
  padding: 22px;
  border-radius: 20px;
}

.site-card h3,
.side-card h3,
.split-panel h3,
.journey-card h3,
.channel-copy h3,
.form-head h3,
.process-card h3 {
  margin: 14px 0 0;
  color: var(--text-strong);
  font-size: 18px;
}

.page-section-feature {
  padding: 90px 0;
}

.feature-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(440px, 0.88fr);
  gap: 42px;
  align-items: center;
}

.feature-layout.is-reverse {
  grid-template-columns: minmax(440px, 0.88fr) minmax(0, 0.92fr);
}

.feature-layout.is-reverse .feature-copy {
  order: 2;
}

.feature-layout.is-reverse .feature-media-shell {
  order: 1;
}

.feature-copy p {
  max-width: 560px;
  margin-top: 16px;
  font-size: 14px;
}

.feature-points,
.check-list,
.detail-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.feature-points {
  display: grid;
  gap: 14px;
}

.feature-points li,
.check-list li,
.detail-list li {
  position: relative;
  padding-left: 20px;
}

.feature-points li::before,
.check-list li::before,
.detail-list li::before {
  position: absolute;
  left: 0;
  top: 10px;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--cyan) 100%);
  content: '';
}

.feature-points strong {
  display: block;
  color: var(--text-strong);
  font-size: 15px;
}

.feature-points span {
  display: block;
  margin-top: 4px;
  color: var(--text-muted);
  line-height: 1.68;
  font-size: 13px;
}

.feature-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.feature-tag {
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(24, 100, 255, 0.12);
  color: var(--brand-deep);
  font-size: 12px;
  font-weight: 700;
  line-height: 30px;
  background: rgba(255, 255, 255, 0.74);
}

.feature-media-shell {
  position: relative;
}

.feature-media {
  padding: 14px;
  border-radius: 24px;
  background:
    linear-gradient(145deg, rgba(8, 18, 36, 0.96), rgba(18, 40, 76, 0.94)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0));
  box-shadow: 0 34px 90px rgba(7, 18, 34, 0.24);
}

.feature-media img {
  width: 100%;
  border-radius: 18px;
}

.channel-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.channel-card {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 18px;
  min-height: 100%;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-md);
}

.channel-visual {
  display: grid;
  place-items: center;
  min-height: 200px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(24, 100, 255, 0.06), rgba(50, 197, 255, 0.08));
}

.channel-visual img {
  max-width: min(220px, 100%);
  border-radius: 22px;
}

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

.split-panel.is-accent,
.site-card.is-accent {
  background: linear-gradient(180deg, rgba(24, 100, 255, 0.08), rgba(50, 197, 255, 0.06));
}

.split-meta,
.page-map-card small {
  display: block;
  margin-top: 16px;
  color: var(--brand-deep);
  font-size: 13px;
  font-weight: 700;
}

.process-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.process-card {
  position: relative;
  overflow: hidden;
  padding: 20px;
  border-radius: 20px;
}

.process-step {
  display: inline-grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--brand) 0%, var(--cyan) 100%);
  box-shadow: 0 14px 28px rgba(24, 100, 255, 0.22);
}

.process-card p {
  margin-top: 10px;
}

.journey-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.check-list li,
.detail-list li {
  color: var(--text-muted);
  line-height: 1.68;
}

.check-list li + li,
.detail-list li + li {
  margin-top: 12px;
}

.cta-panel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  padding: 28px 30px;
  border-radius: 24px;
}

.cta-actions {
  gap: 14px;
}

.contact-layout {
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 22px;
}

.form-shell {
  padding: 26px;
  border-radius: 24px;
}

.form-head p {
  margin-top: 10px;
}

.contact-note {
  margin-top: 18px;
  padding: 18px 20px;
  border: 1px solid rgba(24, 100, 255, 0.1);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(24, 100, 255, 0.05), rgba(255, 255, 255, 0.96));
}

.contact-note strong {
  color: var(--text-strong);
  font-size: 15px;
}

.contact-form {
  margin-top: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field-span-2 {
  grid-column: 1 / -1;
}

.field span {
  color: var(--text-strong);
  font-size: 13px;
  font-weight: 700;
}

.field input,
.field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(12, 28, 51, 0.12);
  border-radius: 16px;
  color: var(--text);
  background: #fff;
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.field textarea {
  resize: none;
}

.field input:focus,
.field textarea:focus {
  border-color: rgba(24, 100, 255, 0.4);
  box-shadow: 0 0 0 4px rgba(24, 100, 255, 0.1);
}

.field small {
  font-size: 13px;
}

.field-with-action {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
}

.inline-action {
  min-width: 132px;
}

.submit-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 22px;
}

.submit-row p {
  max-width: 520px;
  font-size: 14px;
}

.status-message {
  min-height: 22px;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
}

.status-message[data-tone='success'] {
  color: #13815b;
}

.status-message[data-tone='error'] {
  color: #cb3c4d;
}

.status-message[data-tone='info'] {
  color: var(--brand-deep);
}

.contact-side {
  display: grid;
  gap: 20px;
}

.site-footer {
  padding: 30px 0 42px;
  background: #f7f8fb;
  border-top: 1px solid rgba(12, 28, 51, 0.06);
}

.footer-records {
  display: grid;
  justify-items: center;
  gap: 8px;
  text-align: center;
}

.footer-meta-line {
  margin: 0;
  color: #8b97aa;
  font-size: 13px;
  line-height: 1.68;
}

.footer-meta-copy {
  font-size: 14px;
}

.footer-meta-record {
  letter-spacing: 0.02em;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 18px 28px;
  align-items: center;
}

.footer-brand strong {
  display: block;
  color: var(--text-strong);
  font-size: 18px;
}

.copyright {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
}

.floating-dock {
  position: fixed;
  right: 10px;
  top: 50%;
  z-index: 50;
  display: grid;
  gap: 10px;
  transform: translateY(-50%);
}

.floating-button {
  width: 170px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(24, 100, 255, 0.14);
  color: var(--text);
  text-align: left;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-md);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.floating-button-icon {
  display: grid;
  width: 48px;
  height: 48px;
  padding: 0;
  place-items: center;
  border-radius: 18px 0 0 18px;
  border-right: 0;
  background: rgba(255, 255, 255, 0.96);
}

.floating-icon {
  display: inline-grid;
  width: 22px;
  height: 22px;
  color: var(--brand-deep);
}

.floating-icon svg {
  width: 100%;
  height: 100%;
}

.floating-button:hover {
  transform: translateY(-2px);
  border-color: rgba(24, 100, 255, 0.22);
  box-shadow: 0 24px 48px rgba(9, 26, 54, 0.12);
}

.floating-button span {
  display: block;
  color: var(--text-strong);
  font-weight: 700;
}

.floating-button small {
  display: block;
  margin-top: 6px;
  color: var(--text-muted);
  line-height: 1.68;
}

.floating-overlay {
  position: fixed;
  inset: 0;
  z-index: 59;
  background: rgba(7, 18, 34, 0.32);
  backdrop-filter: blur(6px);
}

.floating-panel {
  position: fixed;
  top: 50%;
  right: 10px;
  z-index: 60;
  width: min(360px, calc(100vw - 24px));
  padding: 22px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-50%) translateX(24px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.floating-panel.is-active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%) translateX(0);
}

.floating-panel h3 {
  margin: 14px 0 10px;
  color: var(--text-strong);
  font-size: 20px;
}

.flyout-close {
  position: absolute;
  top: 16px;
  right: 16px;
  color: var(--text-muted);
  background: transparent;
}

.flyout-qr {
  width: 220px;
  margin: 18px auto 0;
  border-radius: 24px;
  border: 1px solid var(--line);
}

.flyout-tip {
  margin-top: 14px;
  font-size: 14px;
}

.flyout-action {
  width: 100%;
  margin-top: 18px;
}

.hero-section-banner {
  padding: 58px 0 48px;
}

.hero-banner {
  position: relative;
  overflow: hidden;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 34px;
  color: #fff;
  background:
    radial-gradient(circle at top left, rgba(69, 221, 255, 0.2), transparent 28%),
    radial-gradient(circle at bottom right, rgba(24, 100, 255, 0.24), transparent 34%),
    linear-gradient(135deg, #08172b 0%, #10325e 56%, #1654a0 100%);
  box-shadow: 0 34px 90px rgba(7, 18, 34, 0.2);
}

.page-product .hero-banner {
  background:
    radial-gradient(circle at top left, rgba(69, 221, 255, 0.2), transparent 28%),
    radial-gradient(circle at bottom right, rgba(24, 100, 255, 0.24), transparent 34%),
    linear-gradient(135deg, #08172b 0%, #10325e 56%, #1654a0 100%);
}

.page-solutions .hero-banner {
  background:
    radial-gradient(circle at top left, rgba(74, 222, 128, 0.16), transparent 28%),
    radial-gradient(circle at bottom right, rgba(59, 130, 246, 0.22), transparent 34%),
    linear-gradient(135deg, #071726 0%, #0e3a53 56%, #0f6f8f 100%);
}

.page-contact .hero-banner {
  background:
    radial-gradient(circle at top left, rgba(250, 204, 21, 0.16), transparent 28%),
    radial-gradient(circle at bottom right, rgba(59, 130, 246, 0.22), transparent 34%),
    linear-gradient(135deg, #10192e 0%, #23395f 54%, #365587 100%);
}

.hero-banner::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.08), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 44%, rgba(255, 255, 255, 0.05) 100%);
  content: '';
  pointer-events: none;
}

.hero-banner-grid,
.hero-banner-metrics {
  position: relative;
  z-index: 1;
}

.hero-banner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 32px;
  align-items: center;
}

.hero-banner-copy h1 {
  margin: 18px 0 0;
  color: #fff;
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1.22;
  letter-spacing: -0.05em;
}

.hero-banner .hero-kicker {
  color: #f8fbff;
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.1);
}

.hero-banner-summary {
  max-width: 560px;
  margin-top: 18px;
  color: rgba(226, 232, 240, 0.92);
  font-size: 15px;
  line-height: 1.78;
}

.hero-banner .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.hero-banner .button-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.1);
}

.hero-banner .button-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
}

.hero-banner-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.hero-banner-badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  color: rgba(248, 250, 252, 0.96);
  font-size: 12px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
}

.hero-banner-visual {
  position: relative;
}

.hero-banner-media {
  position: relative;
  overflow: hidden;
  min-height: 320px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 28px;
  background:
    linear-gradient(145deg, rgba(6, 15, 29, 0.36), rgba(255, 255, 255, 0.08)),
    rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
}

.hero-banner-media::before {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.12), transparent 26%),
    radial-gradient(circle at bottom right, rgba(50, 197, 255, 0.14), transparent 28%);
  content: '';
  pointer-events: none;
}

.hero-banner-media img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  max-height: 360px;
  object-fit: contain;
  filter: drop-shadow(0 26px 42px rgba(7, 18, 34, 0.28));
}

.hero-banner-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.hero-banner-metric {
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
}

.hero-banner-metric strong {
  display: block;
  color: #fff;
  font-size: 16px;
}

.hero-banner-metric span {
  display: block;
  margin-top: 6px;
  color: rgba(226, 232, 240, 0.9);
  font-size: 13px;
  line-height: 1.68;
}

.page-download .hero-section {
  background:
    radial-gradient(circle at top center, rgba(95, 209, 255, 0.18), transparent 30%),
    linear-gradient(180deg, #f7fbff 0%, rgba(240, 246, 255, 0.96) 46%, rgba(246, 248, 252, 0.76) 100%);
}

.page-download .hero-section::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(24, 100, 255, 0.05), transparent 22%, transparent 78%, rgba(50, 197, 255, 0.05)),
    linear-gradient(180deg, transparent 0%, rgba(24, 100, 255, 0.04) 100%);
  content: '';
  pointer-events: none;
}

.page-download .hero-banner {
  background:
    radial-gradient(circle at top left, rgba(69, 221, 255, 0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(16, 185, 129, 0.18), transparent 30%),
    linear-gradient(135deg, #08172b 0%, #0d3c74 54%, #1485a8 100%);
}

.download-recommendation-section {
  padding-top: 8px;
}

.download-recommendation {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
  gap: 20px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background:
    radial-gradient(circle at top right, rgba(50, 197, 255, 0.14), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(246, 249, 255, 0.92));
  box-shadow: var(--shadow-md);
}

.download-recommendation.is-single-platform {
  grid-template-columns: minmax(0, 1fr);
  max-width: 920px;
  margin: 0 auto;
}

.download-recommendation.is-single-platform .download-recommendation-copy {
  max-width: 760px;
}

.download-recommendation-copy h2,
.download-faq-card h3,
.download-update-card h3,
.download-platform-card h3 {
  margin: 16px 0 0;
  color: var(--text-strong);
}

.download-recommendation-copy p,
.download-version-card p,
.download-platform-summary,
.download-platform-explanation,
.download-update-card p,
.download-faq-card p {
  margin: 0;
  color: var(--text-muted);
}

.download-detected-card {
  margin-top: 24px;
  padding: 20px 22px;
  border: 1px solid rgba(24, 100, 255, 0.12);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.9);
}

.download-detected-card strong {
  display: block;
  margin-top: 12px;
  color: var(--text-strong);
  font-size: 24px;
}

.download-detected-badge,
.download-platform-package,
.download-update-date,
.download-update-tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.download-detected-badge,
.download-platform-package,
.download-update-tag {
  color: var(--brand-deep);
  background: rgba(24, 100, 255, 0.08);
  border: 1px solid rgba(24, 100, 255, 0.14);
}

.download-detected-meta {
  display: inline-flex;
  margin-top: 12px;
  color: var(--text-strong);
  font-size: 13px;
  font-weight: 700;
}

.download-recommendation-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.download-placeholder-note {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.68;
}

.download-quick-grid {
  display: grid;
  gap: 12px;
  align-content: start;
}

.download-chip {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid rgba(24, 100, 255, 0.1);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.76);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.download-chip:hover,
.download-chip.is-active {
  transform: translateY(-2px);
  border-color: rgba(24, 100, 255, 0.24);
  box-shadow: 0 18px 32px rgba(9, 26, 54, 0.08);
}

.download-chip span {
  color: var(--text-strong);
  font-weight: 700;
}

.download-chip small {
  color: var(--text-muted);
}

.download-overview-grid {
  align-items: stretch;
}

.download-overview-card {
  min-height: 100%;
}

.download-version-grid,
.download-updates-list,
.download-faq-grid {
  display: grid;
  gap: 18px;
}

.download-version-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.download-version-card,
.download-update-card,
.download-faq-card,
.download-platform-card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow-md);
}

.download-version-card {
  padding: 24px;
  border-radius: 24px;
}

.download-version-card span {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 700;
}

.download-version-card strong {
  display: block;
  margin-top: 12px;
  color: var(--text-strong);
  font-size: 28px;
}

.download-version-card p {
  margin-top: 14px;
  line-height: 1.68;
}

.download-platform-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.download-platform-single-shell {
  max-width: 920px;
  margin: 0 auto;
}

.download-platform-card-single {
  min-height: 100%;
}

.download-platform-card {
  padding: 24px;
  border-radius: 26px;
}

.download-platform-card.is-recommended {
  border-color: rgba(24, 100, 255, 0.26);
  background: linear-gradient(180deg, rgba(24, 100, 255, 0.08), rgba(255, 255, 255, 0.96));
  box-shadow: 0 24px 54px rgba(9, 26, 54, 0.12);
}

.download-platform-head,
.download-update-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.download-platform-head h3 {
  margin-top: 14px;
}

.download-platform-summary {
  margin-top: 18px;
}

.download-platform-explanation {
  margin-top: 12px;
}

.download-platform-meta-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 20px 0 0;
}

.download-platform-meta-list div {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(247, 250, 255, 0.92);
}

.download-platform-meta-list dt {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
}

.download-platform-meta-list dd {
  margin: 8px 0 0;
  color: var(--text-strong);
  font-size: 14px;
  font-weight: 700;
}

.download-platform-actions {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.download-platform-path {
  display: block;
  padding: 12px 14px;
  border: 1px dashed rgba(24, 100, 255, 0.18);
  border-radius: 16px;
  color: var(--brand-deep);
  font-size: 12px;
  background: rgba(247, 250, 255, 0.9);
  word-break: break-all;
}

.download-platform-tips {
  margin-top: 22px;
}

.download-updates-list,
.download-faq-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.download-update-card,
.download-faq-card {
  padding: 22px;
  border-radius: 22px;
}

.download-update-date {
  color: var(--text-strong);
  background: rgba(12, 28, 51, 0.06);
}

.download-update-card h3,
.download-faq-card h3 {
  font-size: 18px;
}

.download-update-card p,
.download-faq-card p {
  margin-top: 12px;
  line-height: 1.72;
}

@media (max-width: 1200px) {
  .download-recommendation,
  .download-platform-grid,
  .download-updates-list,
  .download-faq-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 900px) {
  .download-recommendation {
    padding: 24px;
    border-radius: 26px;
  }

  .download-version-grid,
  .download-platform-meta-list {
    grid-template-columns: 1fr;
  }

  .download-platform-head,
  .download-update-meta {
    align-items: flex-start;
    flex-direction: column;
  }
}
@media (max-width: 1200px) {
  .hero-layout,
  .section-head,
  .feature-layout,
  .feature-layout.is-reverse,
  .contact-layout,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .hero-banner-grid {
    grid-template-columns: 1fr;
  }

  .feature-layout.is-reverse .feature-copy,
  .feature-layout.is-reverse .feature-media-shell {
    order: initial;
  }

  .grid-4,
  .grid-3,
  .process-grid,
  .channel-grid,
  .journey-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split-layout {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 900px) {
  .brand-logo--icon {
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
  }

  .brand-copy--cn strong {
    font-size: 16px;
  }

  .brand-copy--cn em {
    font-size: 11px;
  }
  .header-inner {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 14px 0;
  }

  .site-nav {
    justify-content: flex-start;
    gap: 24px;
  }

  .hero-section {
    padding: 48px 0 42px;
  }

  .hero-section-banner {
    padding: 44px 0 38px;
  }

  .hero-copy h1 {
    max-width: none;
    font-size: clamp(30px, 9vw, 46px);
  }

  .hero-banner {
    padding: 28px 20px 22px;
    border-radius: 28px;
  }

  .hero-banner-copy h1 {
    font-size: clamp(30px, 9vw, 44px);
  }

  .hero-banner-media {
    min-height: 240px;
    padding: 14px;
    border-radius: 22px;
  }

  .hero-banner-metrics {
    grid-template-columns: 1fr;
  }

  .hero-metrics,
  .grid-2,
  .grid-3,
  .grid-4,
  .process-grid,
  .journey-grid,
  .channel-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .cta-panel,
  .submit-row {
    flex-direction: column;
    align-items: stretch;
  }

  .floating-dock {
    top: auto;
    right: 16px;
    bottom: 16px;
    transform: none;
  }

  .floating-panel {
    top: auto;
    right: 16px;
    bottom: 84px;
    transform: translateY(16px);
  }

  .floating-panel.is-active {
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .brand-logo--icon {
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
  }

  .brand-copy--cn strong {
    font-size: 15px;
  }

  .brand-copy--cn em {
    font-size: 10px;
  }
  .container {
    width: min(var(--content-width), calc(100vw - 24px));
  }

  .site-header {
    position: static;
  }

  .hero-actions,
  .cta-actions,
  .footer-links {
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .field-with-action {
    grid-template-columns: 1fr;
  }

  .floating-dock {
    left: 12px;
    right: 12px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .floating-button {
    width: auto;
  }

  .floating-button-icon {
    border-radius: 16px;
    border-right: 1px solid rgba(24, 100, 255, 0.14);
  }

  .floating-panel {
    left: 12px;
    right: 12px;
    width: auto;
  }
}