:root {
  --canvas: #ffffff;
  --canvas-soft: #f5f5f7;
  --ink: #1d1d1f;
  --ink-soft: #5f6673;
  --ink-faint: #7b8390;
  --line: #e1e5eb;
  --line-strong: #d2d8e2;
  --hero: #0b0d12;
  --hero-soft: #161923;
  --success: #168553;
  --danger: #c83f49;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --content: 1180px;
  --content-wide: 1320px;
  --section-space: clamp(4rem, 6vw, 5.5rem);
  --ease: cubic-bezier(0.2, 0.75, 0.25, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 82px;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--canvas);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

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

button {
  font: inherit;
}

.container {
  width: min(var(--content), calc(100% - 3rem));
  margin-inline: auto;
}

.container-wide {
  width: min(var(--content-wide), calc(100% - 3rem));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  color: #fff;
  background: var(--primary-deep);
  border-radius: var(--radius-sm);
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

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

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--nav-border);
  background: var(--nav-bg);
}

.site-nav-inner {
  position: relative;
  min-height: 68px;
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto minmax(180px, 1fr);
  align-items: center;
  gap: 1.5rem;
}

.brand,
.nav-links,
.nav-actions,
.language-switch,
.btn {
  display: inline-flex;
  align-items: center;
}

.brand {
  min-width: 0;
  gap: 0.7rem;
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: -0.015em;
}

.brand-logo {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  object-fit: contain;
}

.brand-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-links {
  justify-content: center;
  gap: 1.7rem;
  color: #4b5563;
  font-size: 0.84rem;
  font-weight: 550;
  white-space: nowrap;
}

.nav-links a,
.footer-links a {
  transition: color 160ms ease;
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--primary-deep);
}

.nav-language-switch {
  display: none;
}

.nav-mobile-account {
  display: none;
}

.nav-actions {
  justify-content: flex-end;
  gap: 0.65rem;
}

.language-switch {
  min-height: 36px;
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
}

.language-switch a {
  min-width: 32px;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--ink-faint);
  font-size: 0.72rem;
  font-weight: 600;
}

.language-switch a.is-active {
  color: #fff;
  background: var(--ink);
}

.nav-toggle {
  width: 44px;
  height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  background: #fff;
  cursor: pointer;
}

.nav-toggle .icon-base {
  font-size: 1.2rem;
}

.nav-toggle-close,
.site-nav.is-menu-open .nav-toggle-open {
  display: none;
}

.site-nav.is-menu-open .nav-toggle-close {
  display: inline-block;
}

.btn {
  min-height: 44px;
  justify-content: center;
  padding: 0.7rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 160ms var(--ease), background 160ms ease, border-color 160ms ease, color 160ms ease;
}

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

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  color: #fff;
  background: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-deep);
}

.btn-outline {
  color: var(--primary-deep);
  border-color: rgba(var(--primary-rgb), 0.32);
  background: rgba(255, 255, 255, 0.82);
}

.btn-outline:hover {
  border-color: var(--primary);
  background: #fff;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(var(--primary-rgb), 0.34);
  outline-offset: 3px;
}

.hero {
  position: relative;
  min-height: calc(100vh - 68px);
  min-height: max(680px, calc(100svh - 68px));
  isolation: isolate;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: var(--hero);
}

.darkveil-container {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.darkveil-container::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 7, 11, 0.18) 0%, rgba(5, 7, 11, 0.5) 100%);
}

.darkveil-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hero > .container {
  position: relative;
  z-index: 2;
}

.hero-shell {
  padding: clamp(4.5rem, 8vh, 6.5rem) 0 clamp(3.5rem, 6vh, 4.75rem);
}

.hero-copy {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  max-width: 930px;
  margin: 0 auto;
  font-size: clamp(3rem, 6vw, 5.25rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.hero-description {
  max-width: 760px;
  margin: 1.7rem auto 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  line-height: 1.75;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.hero .btn {
  min-height: 48px;
  padding-inline: 1.5rem;
}

.hero .btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
}

.hero .btn-outline:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.14);
}

.hero-note {
  margin: 1.1rem 0 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.hero-proof-grid {
  max-width: 920px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: clamp(3rem, 7vh, 4.5rem) auto 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-proof {
  min-height: 94px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.32rem;
  padding: 1rem 1.4rem;
  text-align: center;
}

.hero-proof + .hero-proof {
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-proof-label {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-proof-value {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.96rem;
  font-weight: 600;
}

.client-strip {
  border-bottom: 1px solid var(--line);
  background: var(--canvas);
}

.client-strip-inner {
  min-height: 96px;
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(0, 2fr);
  align-items: center;
  gap: 2.5rem;
}

.client-strip-title {
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 600;
}

.client-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  align-items: center;
  gap: 1rem;
}

.client-name {
  color: #394150;
  font-size: 0.88rem;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
}

.section {
  padding: var(--section-space) 0;
}

.section-soft {
  background: var(--canvas-soft);
}

.section-dark {
  color: #fff;
  background: #15171d;
}

.section-title {
  max-width: 780px;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-title.centered {
  margin-inline: auto;
  text-align: center;
}

.section-title h2 {
  margin: 0;
  font-size: clamp(2.15rem, 4.7vw, 4rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.section-title p {
  max-width: 650px;
  margin: 1rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  line-height: 1.72;
}

.section-title.centered p {
  margin-inline: auto;
}

.section-dark .section-title p {
  color: rgba(255, 255, 255, 0.62);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.scenario-item {
  min-height: 180px;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 1.4rem;
  padding: 1.8rem 2rem 1.8rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.scenario-item:nth-child(odd) {
  padding-right: 3rem;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.scenario-item:nth-child(even) {
  padding-left: 3rem;
}

.scenario-number {
  color: rgba(255, 255, 255, 0.38);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.scenario-item h3,
.feature-item h3,
.process-step h3 {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.scenario-item p {
  max-width: 470px;
  margin: 0.8rem 0 0;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.72;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
}

.feature-item {
  padding: 2rem 2.2rem 0 0;
}

.feature-item + .feature-item {
  padding-left: 2.2rem;
  border-left: 1px solid var(--line-strong);
}

.feature-index {
  display: block;
  margin-bottom: 2rem;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.feature-item p,
.process-step p {
  margin: 0.75rem 0 0;
  color: var(--ink-soft);
  line-height: 1.72;
}

.process-shell {
  padding: clamp(2rem, 5vw, 4rem);
  border-radius: var(--radius-xl);
  color: #fff;
  background: var(--hero);
}

.process-shell .section-title {
  margin-bottom: 3.25rem;
}

.process-shell .section-title p,
.process-step p {
  color: rgba(255, 255, 255, 0.62);
}

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

.process-step {
  position: relative;
  padding: 0 2.3rem 0 0;
}

.process-step + .process-step {
  padding-left: 2.3rem;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.process-number {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2.2rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 650;
}

.regions-panel {
  overflow: hidden;
  border: 1px solid #d9e5f7;
  border-radius: var(--radius-xl);
  background: #edf5ff;
}

.node-map {
  min-height: 440px;
  position: relative;
  overflow: hidden;
}

.node-map-img {
  position: absolute;
  inset: 5% 3% 8%;
  width: 94%;
  height: 87%;
  object-fit: contain;
  opacity: 0.32;
  filter: sepia(1) hue-rotate(174deg) saturate(2.6) brightness(1.02);
}

.node-routes {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.node-routes path {
  fill: none;
  stroke-linecap: round;
}

.region-rail {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid #d9e5f7;
  background: rgba(255, 255, 255, 0.82);
}

.region-item {
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 1.2rem;
}

.region-item:not(:nth-child(4n + 1)) {
  border-left: 1px solid #d9e5f7;
}

.region-item:nth-child(n + 5) {
  border-top: 1px solid #d9e5f7;
}

.flag-img {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border: 1px solid #d8dee8;
  border-radius: 50%;
  object-fit: cover;
}

.region-name {
  min-width: 0;
  color: #26334a;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.25;
}

.region-code {
  display: block;
  margin-top: 0.2rem;
  color: #79859a;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.region-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 2rem;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.region-stat {
  min-height: 112px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  text-align: center;
}

.region-stat + .region-stat {
  border-left: 1px solid var(--line-strong);
}

.region-stat strong {
  color: var(--primary-deep);
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1;
}

.region-stat span {
  margin-top: 0.48rem;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1rem;
  align-items: stretch;
}

.plan-card {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: #fff;
}

.plan-card.is-featured {
  color: #fff;
  border-color: var(--primary);
  background: var(--primary);
}

.plan-head {
  padding: 1.6rem 1.5rem 1.1rem;
}

.plan-badge-row {
  min-height: 25px;
  margin-bottom: 0.7rem;
}

.plan-badge {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  color: var(--primary-deep);
  background: rgba(var(--primary-rgb), 0.1);
  font-size: 0.7rem;
  font-weight: 650;
}

.plan-card.is-featured .plan-badge {
  color: var(--primary-deep);
  background: #fff;
}

.plan-name {
  font-size: 1.05rem;
  font-weight: 600;
}

.plan-price {
  margin-top: 1rem;
  font-size: clamp(2.25rem, 5vw, 3.1rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
}

.plan-price small {
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0;
}

.plan-card.is-featured .plan-price small {
  color: rgba(255, 255, 255, 0.94);
}

.plan-body {
  flex: 1;
  padding: 0.2rem 1.5rem 1.3rem;
}

.plan-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-top: 0.75rem;
  color: #3f4856;
  font-size: 0.84rem;
  line-height: 1.45;
}

.plan-card.is-featured .plan-feature {
  color: rgba(255, 255, 255, 0.9);
}

.plan-feature-content {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.8rem;
}

.plan-feature-label {
  color: var(--ink-soft);
}

.plan-feature-value {
  color: var(--ink);
  font-weight: 600;
  text-align: right;
}

.plan-card.is-featured .plan-feature-label {
  color: rgba(255, 255, 255, 0.94);
}

.plan-card.is-featured .plan-feature-value {
  color: #fff;
}

.plan-feature .dot {
  width: 17px;
  height: 17px;
  flex: 0 0 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.05rem;
  border-radius: 50%;
  color: #fff;
  background: var(--success);
  font-size: 0.65rem;
  font-weight: 700;
}

.plan-feature.is-off {
  color: #9299a5;
}

.plan-feature.is-off .dot {
  background: var(--danger);
}

.plan-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}

.plan-highlight {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0.34rem 0.65rem;
  border: 1px solid rgba(var(--primary-rgb), 0.2);
  border-radius: 999px;
  color: var(--primary-deep);
  background: rgba(var(--primary-rgb), 0.08);
  font-size: 0.72rem;
  font-weight: 600;
}

.plan-card.is-featured .plan-highlight {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.12);
}

.plan-foot {
  padding: 0 1.5rem 1.5rem;
}

.plan-foot .btn {
  width: 100%;
}

.plan-card.is-featured .plan-foot .btn-primary {
  color: var(--primary-deep);
  background: #fff;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: start;
}

.faq-layout .section-title {
  position: sticky;
  top: 104px;
  margin: 0;
}

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

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

.faq-item summary {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.2rem 0;
  list-style: none;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

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

.faq-item summary::after {
  content: "+";
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--primary-deep);
  font-size: 1rem;
  font-weight: 500;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  max-width: 700px;
  padding: 0 3.8rem 1.5rem 0;
  color: var(--ink-soft);
  line-height: 1.75;
}

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(2rem, 5vw, 4rem);
  border-radius: var(--radius-xl);
  color: #fff;
  background: var(--hero);
}

.cta h2 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 3.25rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.cta p {
  max-width: 650px;
  margin: 0.8rem 0 0;
  color: rgba(255, 255, 255, 0.64);
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 0.75rem;
}

.site-footer {
  padding: 3.5rem 0 1.5rem;
  color: #454b55;
  background: var(--canvas-soft);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(240px, 1.6fr) repeat(4, minmax(120px, 0.7fr));
  gap: 2.5rem;
}

.footer-brand {
  max-width: 310px;
}

.footer-brand-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 650;
}

.footer-brand p {
  margin: 1rem 0 0;
  color: var(--ink-soft);
  font-size: 0.86rem;
  line-height: 1.65;
}

.footer-title {
  margin-bottom: 0.85rem;
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 650;
}

.footer-links {
  display: grid;
  gap: 0.65rem;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-strong);
  color: var(--ink-faint);
  font-size: 0.75rem;
}

.footer-bottom-links {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
}

@media (max-width: 1120px) {
  .site-nav-inner {
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 0.75rem;
  }

  .nav-toggle {
    display: inline-flex;
    grid-column: 2;
    grid-row: 1;
  }

  .nav-actions {
    grid-column: 3;
    grid-row: 1;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 0.65rem);
    left: 0;
    right: 0;
    max-height: calc(100vh - 92px);
    max-height: calc(100svh - 92px);
    display: grid;
    gap: 0;
    padding: 0.55rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 22px 50px rgba(20, 27, 41, 0.14);
    opacity: 0;
    visibility: hidden;
    overflow-y: auto;
    transform: translateY(-8px);
    transition: opacity 160ms ease, visibility 160ms ease, transform 160ms ease;
  }

  .nav-links a {
    min-height: 46px;
    display: flex;
    align-items: center;
    padding: 0 0.9rem;
    border-radius: var(--radius-sm);
  }

  .nav-links a:hover {
    background: var(--canvas-soft);
  }

  .site-nav.is-menu-open .nav-links {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .footer-grid {
    grid-template-columns: minmax(240px, 1.4fr) repeat(2, minmax(150px, 0.7fr));
  }
}

@media (max-width: 820px) {
  .container,
  .container-wide {
    width: min(100% - 2rem, var(--content));
  }

  .hero {
    min-height: auto;
  }

  .hero-shell {
    padding: 5.5rem 0 4rem;
  }

  .hero h1 {
    font-size: clamp(2.55rem, 12vw, 4.4rem);
  }

  .client-strip-inner {
    grid-template-columns: 1fr;
    gap: 1.2rem;
    padding: 1.8rem 0;
  }

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

  .scenario-grid,
  .feature-grid,
  .process-grid,
  .faq-layout {
    grid-template-columns: 1fr;
  }

  .scenario-item,
  .scenario-item:nth-child(odd),
  .scenario-item:nth-child(even) {
    min-height: auto;
    padding: 1.8rem 0;
    border-right: 0;
  }

  .feature-item,
  .feature-item + .feature-item {
    padding: 1.8rem 0;
    border-left: 0;
    border-bottom: 1px solid var(--line-strong);
  }

  .feature-index {
    margin-bottom: 1.6rem;
  }

  .process-step,
  .process-step + .process-step {
    padding: 0 0 2rem;
    border-left: 0;
  }

  .process-step + .process-step {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
  }

  .process-number {
    margin-bottom: 1.4rem;
  }

  .node-map {
    min-height: 340px;
  }

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

  .region-item:not(:nth-child(4n + 1)),
  .region-item:nth-child(n + 5) {
    border-left: 0;
    border-top: 0;
  }

  .region-item:nth-child(even) {
    border-left: 1px solid #d9e5f7;
  }

  .region-item:nth-child(n + 3) {
    border-top: 1px solid #d9e5f7;
  }

  .faq-layout .section-title {
    position: static;
  }

  .cta {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .footer-brand {
    max-width: none;
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .site-nav-inner {
    min-height: 64px;
  }

  .brand-name {
    max-width: 110px;
  }

  .language-switch,
  .nav-actions .btn-outline {
    display: none;
  }

  .nav-language-switch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.4rem;
    margin-top: 0.4rem;
    padding-top: 0.55rem;
    border-top: 1px solid var(--line);
  }

  .nav-language-switch a {
    min-height: 42px;
    justify-content: center;
    color: var(--ink-soft);
    background: var(--canvas-soft);
  }

  .nav-language-switch a.is-active {
    color: #fff;
    background: var(--ink);
  }

  .nav-mobile-account {
    display: grid;
    margin-top: 0.4rem;
    padding-top: 0.55rem;
    border-top: 1px solid var(--line);
  }

  .nav-mobile-account a {
    justify-content: center;
    color: var(--primary-deep);
    background: rgba(var(--primary-rgb), 0.08);
  }

  .nav-actions .btn {
    min-height: 44px;
    padding-inline: 0.9rem;
    font-size: 0.78rem;
  }

  .hero-shell {
    padding: 4.8rem 0 3.3rem;
  }

  .hero-description {
    font-size: 0.98rem;
    line-height: 1.65;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-proof-grid {
    grid-template-columns: 1fr;
    margin-top: 2.5rem;
  }

  .hero-proof {
    min-height: 72px;
  }

  .hero-proof + .hero-proof {
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    border-left: 0;
  }

  .client-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem 0.6rem;
  }

  .section-title h2 {
    font-size: clamp(2rem, 11vw, 3rem);
  }

  .scenario-item {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 0.8rem;
  }

  .process-shell {
    padding: 1.6rem;
    border-radius: var(--radius-lg);
  }

  .node-map {
    min-height: 260px;
  }

  .region-item {
    min-height: 68px;
    padding: 0.85rem;
  }

  .region-stats {
    grid-template-columns: 1fr;
  }

  .region-stat {
    min-height: 88px;
  }

  .region-stat + .region-stat {
    border-top: 1px solid var(--line-strong);
    border-left: 0;
  }

  .cta-actions {
    width: 100%;
    align-items: stretch;
    flex-direction: column;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .footer-grid {
    gap: 2rem 1.25rem;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition-duration: 0.01ms;
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
  }

  .darkveil-canvas {
    display: none;
  }

  .darkveil-container {
    background: radial-gradient(circle at 50% 25%, #24293a 0%, var(--hero) 65%);
  }
}