:root {
  --color-primary: #e07a2f;
  --color-primary-hover: #c96a25;
  --color-primary-light: #fdf0e6;
  --color-primary-dark: #a85a1e;
  --color-bg: #fafaf8;
  --color-surface: #ffffff;
  --color-surface-muted: #f5f5f3;
  --color-border: #e8e8e5;
  --color-text: #3d3d3a;
  --color-text-muted: #6b6b66;
  --color-text-soft: #8a8a84;
  --color-heading: #1a1a18;
  --color-dark: #111113;
  --color-dark-soft: #1a1a1d;
  --color-success: #22a06b;
  --color-error: #de350b;
  --shadow-sm: 0 1px 3px rgba(17, 17, 19, 0.08);
  --shadow-md: 0 8px 24px rgba(17, 17, 19, 0.12);
  --shadow-lg: 0 16px 48px rgba(17, 17, 19, 0.16);
  --radius: 8px;
  --content-max: 1280px;
  --font-sans: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "SFMono-Regular", "SF Mono", Consolas, "Liberation Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button.nav-link {
  border: 0;
  background: transparent;
  font: inherit;
}

body.nav-open {
  overflow: hidden;
}

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

.container {
  width: min(calc(100% - 32px), var(--content-max));
  margin: 0 auto;
}

.section {
  padding: 72px 0;
}

.section.alt {
  background: var(--color-surface-muted);
}

.demand-section {
  padding-top: 48px;
}

.section.dark {
  background: var(--color-dark);
  color: #ffffff;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-heading h1,
.section-heading h2,
.section-heading h3,
.hero h1,
.page-hero h1,
.article-header h1 {
  margin: 0 0 16px;
  color: var(--color-heading);
  line-height: 1.15;
}

.section.dark .section-heading h2,
.section.dark .section-heading p,
.dark h1,
.dark h2,
.dark h3 {
  color: #ffffff;
}

.section-heading h2 {
  font-size: clamp(2rem, 3vw, 2.25rem);
}

.section-heading p,
.lede,
.body-large {
  margin: 0;
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.dark .lede,
.dark .body-large,
.dark .section-heading p {
  color: #b0b0ab;
}

.stack {
  display: grid;
  gap: 16px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 600;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

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

.button:disabled {
  cursor: not-allowed;
  opacity: 0.72;
  transform: none;
}

.button:disabled:hover {
  transform: none;
}

.button.primary {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.button.primary:hover {
  background: var(--color-primary-hover);
}

.button.secondary {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

.button.secondary:hover {
  background: var(--color-primary-light);
}

.button.ghost {
  color: var(--color-heading);
  background: transparent;
}

.button.ghost:hover {
  color: var(--color-primary);
}

.button.ghost-light {
  color: #ffffff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.16);
}

.button.ghost-light:hover {
  color: var(--color-primary);
  border-color: rgba(255, 255, 255, 0.28);
}

.button.small {
  min-height: 36px;
  padding: 8px 14px;
  font-size: 0.9375rem;
}

.button-arrow {
  margin-left: 8px;
  line-height: 1;
  transition: transform 0.2s ease;
}

.button:hover .button-arrow {
  transform: translateX(3px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(250, 250, 248, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(232, 232, 229, 0.9);
}

.site-header .container {
  display: grid;
  gap: 12px;
  padding: 16px 0;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-weight: 700;
  color: var(--color-heading);
}

.brand-mark-logo-wrap {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand-mark-logo {
  display: block;
  width: clamp(92px, 8vw, 124px);
  height: auto;
}

.brand-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-copy small {
  display: block;
  /* max-width: 320px; */
  color: var(--color-text-muted);
  font-weight: 500;
  line-height: 1.35;
}

.header-actions {
  --header-language-width: 108px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 0 0 auto;
  min-width: 0;
  gap: 18px;
  position: relative;
  z-index: 80;
}

.header-utility {
  position: relative;
  z-index: 90;
  display: flex;
  align-items: center;
  flex: 0 0 var(--header-language-width);
  width: var(--header-language-width);
  min-width: var(--header-language-width);
}

.header-cta-group {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 10px;
  padding-left: 18px;
  border-left: 1px solid var(--color-border);
  white-space: nowrap;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 var(--header-language-width);
  width: var(--header-language-width);
  min-width: var(--header-language-width);
  max-width: var(--header-language-width);
  min-height: 36px;
  box-sizing: border-box;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
}

.language-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 0;
  min-height: 28px;
  text-align: center;
  padding: 5px 8px;
  border-radius: 6px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.language-switch a.active {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: 600;
}

.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #ffffff;
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.primary-nav,
.sub-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.sub-nav {
  display: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 8px 10px;
  border-bottom: 2px solid transparent;
  border-radius: 6px 6px 0 0;
  color: var(--color-heading);
  font-weight: 500;
  transition:
    color 0.18s ease,
    background-color 0.18s ease,
    border-color 0.18s ease,
    transform 0.18s ease;
}

.nav-link:hover,
.nav-item:focus-within > .nav-link {
  background: rgba(224, 122, 47, 0.08);
  color: var(--color-primary-dark);
}

.nav-link:active {
  transform: translateY(1px);
}

.nav-link.active {
  border-bottom-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.nav-link > span[aria-hidden="true"] {
  font-size: 0.68em;
  line-height: 1;
  transform: translateY(1px);
}

.nav-dropdown {
  position: absolute;
  left: 0;
  top: 100%;
  min-width: 220px;
  padding: 10px;
  display: grid;
  gap: 4px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-4px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-lg);
  transition:
    opacity 0.16s ease,
    visibility 0.16s ease,
    transform 0.16s ease;
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-dropdown a,
.nav-dropdown-static {
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--color-text);
  transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.nav-dropdown a:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  transform: translateX(2px);
}

.nav-dropdown-static {
  cursor: default;
  color: var(--color-text-muted);
}

.nav-link-static,
.footer-static-link {
  cursor: default;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 112px 0 88px;
  background:
    linear-gradient(135deg, rgba(17, 17, 19, 0.96), rgba(17, 17, 19, 0.86)),
    radial-gradient(circle at top right, rgba(224, 122, 47, 0.16), transparent 34%),
    linear-gradient(180deg, #1a1a1d 0%, #111113 100%);
  color: #ffffff;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.2;
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  /* max-width: 840px; */
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  color: #ffffff;
}

.hero p {
  max-width: 760px;
  margin: 0;
  font-size: 1.125rem;
  color: #d5d5d0;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
}

.hero-meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
}

.hero-meta-chip strong {
  color: var(--color-primary);
}

.metrics-grid,
.service-grid,
.module-grid,
.capability-grid,
.scenario-grid,
.blog-grid,
.faq-links,
.summary-grid,
.console-grid,
.pricing-grid,
.link-grid,
.processStatus-detail-grid {
  display: grid;
  gap: 20px;
}

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

.metric-card,
.service-card,
.module-card,
.capability-card,
.scenario-card,
.faq-link-card,
.summary-card,
.console-card,
.pricing-card,
.article-card,
.table-wrap,
.cta-band,
.demand-form,
.demand-aside-card,
.demand-success,
.blog-filter-row,
.article-sidebar,
.code-panel,
.processStatus-step,
.usage-list,
.key-table,
.support-card,
.pricing-table-wrap {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.dark .metric-card,
.dark .processStatus-step,
.dark .code-panel,
.dark .pricing-card,
.dark .playground-shell {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

.metric-card,
.service-card,
.module-card,
.capability-card,
.scenario-card,
.faq-link-card,
.summary-card,
.console-card,
.pricing-card,
.article-card,
.support-card {
  padding: 24px;
}

.metric-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1;
  color: var(--color-primary);
}

.metric-card span {
  display: block;
  color: inherit;
  font-size: 1rem;
  font-weight: 600;
}

.metric-card p {
  margin: 8px 0 0;
  color: #b0b0ab;
  font-size: 0.875rem;
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  border-radius: var(--radius);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: 700;
}

.card-image,
.service-card > .media-slot,
.module-card .media-slot,
.scenario-card .media-slot {
  margin-bottom: 20px;
}

.card-image {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
}

.service-card h3,
.module-card h3,
.capability-card h3,
.scenario-card h3,
.pricing-card h3,
.summary-card h3,
.console-card h3,
.article-card h3,
.support-card h3 {
  margin: 0 0 12px;
  color: var(--color-heading);
  font-size: 1.375rem;
  line-height: 1.25;
}

.service-card p,
.module-card p,
.capability-card p,
.scenario-card p,
.summary-card p,
.console-card p,
.pricing-card p,
.article-card p,
.support-card p {
  margin: 0 0 18px;
  color: var(--color-text-muted);
}

.service-card:hover,
.module-card:hover,
.capability-card:hover,
.scenario-card:hover,
.article-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

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

.pill-row,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill,
.tag,
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 30px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.875rem;
  font-weight: 500;
}

.badge.subtle {
  background: rgba(255, 255, 255, 0.08);
  color: #d8d8d2;
}

.page-hero {
  padding: 72px 0 48px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(250, 250, 248, 1));
}

.page-hero.dark {
  background:
    linear-gradient(180deg, rgba(17, 17, 19, 0.96), rgba(17, 17, 19, 1)),
    radial-gradient(circle at top right, rgba(224, 122, 47, 0.16), transparent 30%);
  color: #ffffff;
}

.page-hero-grid,
.split-grid,
.article-layout,
.playground-shell,
.demand-layout,
.code-example-grid {
  display: grid;
  gap: 32px;
}

.page-hero-grid {
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  align-items: end;
}

.page-hero h1 {
  font-size: clamp(2.4rem, 4.5vw, 3.75rem);
}

.page-hero p {
  margin: 0;
  font-size: 1.125rem;
  color: var(--color-text-muted);
  white-space: pre-line;
}

.page-hero.dark p {
  color: #c9c9c3;
}

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

.split-grid.reverse > :first-child {
  order: 2;
}

.split-grid.reverse > :last-child {
  order: 1;
}

.media-slot {
  position: relative;
  min-height: 280px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(224, 122, 47, 0.12), rgba(26, 26, 24, 0.02)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(245, 245, 243, 1));
}

.media-slot-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-slot.has-image {
  background: transparent;
  border-color: var(--color-border);
}

.media-slot.has-image::before {
  opacity: 0;
}

.media-slot::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(224, 122, 47, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(224, 122, 47, 0.08) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.45;
}

.media-slot-content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
  padding: 24px;
}

.media-slot.has-image .media-slot-content {
  background: linear-gradient(180deg, rgba(17, 17, 19, 0.02), rgba(17, 17, 19, 0.62));
}

.media-slot h3,
.media-slot p,
.media-slot small {
  margin: 0;
}

.media-slot h3 {
  font-size: 1.25rem;
  color: var(--color-heading);
}

.media-slot p {
  color: var(--color-text-muted);
}

.media-slot small {
  color: var(--color-primary-dark);
  font-weight: 600;
}

.media-slot.has-image h3,
.media-slot.has-image p,
.media-slot.has-image small {
  color: #ffffff;
}

.processStatus {
  position: relative;
  display: grid;
  gap: 20px;
}

.processStatus::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: var(--color-border);
}

.processStatus-step {
  position: relative;
  padding: 20px 20px 20px 64px;
}

.processStatus-step::before {
  content: attr(data-step);
  position: absolute;
  left: 10px;
  top: 18px;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--color-primary);
  color: #ffffff;
  font-weight: 700;
}

.processStatus-step h3 {
  margin: 0 0 8px;
}

.processStatus-step p {
  margin: 0;
  color: var(--color-text-muted);
}

.processStatus-step .tag {
  margin-top: 14px;
}

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

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

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  border: 0;
  background: transparent;
  text-align: left;
  color: var(--color-heading);
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.18s ease, padding 0.18s ease;
}

.faq-trigger:hover {
  color: var(--color-primary-dark);
}

.faq-icon {
  flex: 0 0 auto;
  color: var(--color-text-muted);
  transition: color 0.18s ease, transform 0.22s ease;
}

.faq-content {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transform: translateY(-4px);
  color: var(--color-text);
  transition:
    grid-template-rows 0.24s ease,
    opacity 0.2s ease,
    transform 0.24s ease;
}

.faq-content-inner {
  min-height: 0;
  overflow: hidden;
  padding: 0 0 0;
  transition: padding 0.24s ease;
}

.faq-item.open .faq-content {
  grid-template-rows: 1fr;
  opacity: 1;
  transform: translateY(0);
}

.faq-item.open .faq-content-inner {
  padding: 0 0 22px;
}

.faq-item.open .faq-trigger {
  color: var(--color-primary-dark);
}

.faq-item.open .faq-icon {
  color: var(--color-primary-dark);
  transform: rotate(180deg);
}

.faq-content p {
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  .faq-trigger,
  .faq-icon,
  .faq-content,
  .faq-content-inner {
    transition: none;
  }

  .faq-content {
    transform: none;
  }
}

.cta-band {
  padding: 32px;
  display: grid;
  gap: 16px;
  align-items: center;
  justify-items: start;
}

.cta-band.dark {
  background: linear-gradient(135deg, #1c1c1f, #111113);
  color: #ffffff;
}

.cta-band h2,
.cta-band h3,
.cta-band p {
  margin: 0;
}

.cta-band p {
  color: var(--color-text-muted);
}

.cta-band.dark p {
  color: #c7c7c2;
}

.site-footer {
  background: #1a1a18;
  color: #b0b0ab;
  padding: 56px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.footer-grid h3,
.footer-grid h4 {
  margin: 0 0 12px;
  color: #ffffff;
}

.footer-grid p,
.footer-grid li,
.footer-bottom {
  margin: 0;
  color: #b0b0ab;
}

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

.footer-grid a:hover,
.footer-bottom a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.breadcrumb {
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--color-text-soft);
  font-size: 0.9375rem;
}

.breadcrumb span.current {
  color: var(--color-heading);
  font-weight: 600;
}

.playground-shell {
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  padding: 24px;
}

.form-card,
.chat-card {
  display: grid;
  gap: 20px;
}

.field-grid {
  display: grid;
  gap: 16px;
}

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

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

label {
  color: var(--color-heading);
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--color-text);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  background: #f1f1ee;
  color: var(--color-text-muted);
}

.demand-form.is-submitting input:not([type="hidden"]),
.demand-form.is-submitting textarea {
  cursor: not-allowed;
  background: #f1f1ee;
  color: var(--color-text-muted);
}

.dark input,
.dark select,
.dark textarea {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
}

.token-bar,
.credit-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  color: #d3d3ce;
}

.output-window,
.code-block,
.usage-chart {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  background: #1e1e1e;
}

.output-window {
  min-height: 240px;
  padding: 18px;
  color: #e4e4df;
}

.output-window.loading::after {
  content: "...";
  animation: pulse 1s infinite;
}

.code-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tab-button {
  min-height: 36px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: #d3d3ce;
}

.tab-button.active {
  background: rgba(224, 122, 47, 0.16);
  color: #ffffff;
  border-color: rgba(224, 122, 47, 0.4);
}

.code-block {
  margin: 0;
  padding: 18px;
  overflow-x: auto;
  color: #ecece8;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.pricing-table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--color-heading);
  font-size: 0.875rem;
  text-transform: uppercase;
}

.pricing-table-wrap tr:last-child td,
.key-table tr:last-child td {
  border-bottom: 0;
}

.usage-list {
  padding: 20px;
}

.usage-row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr) 90px;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
}

.usage-row:last-child {
  margin-bottom: 0;
}

.usage-bar {
  height: 10px;
  border-radius: 999px;
  background: var(--color-surface-muted);
  overflow: hidden;
}

.usage-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), #f0aa67);
}

.key-table {
  overflow-x: auto;
}

.blog-filter-row {
  padding: 18px;
}

.blog-list-frame {
  position: relative;
  min-height: 420px;
  margin-top: 20px;
}

.blog-list-frame.is-loading .blog-grid {
  opacity: 0.58;
}

.blog-empty {
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text-muted);
  text-align: center;
}

.blog-list-frame .blog-empty {
  min-height: 220px;
  display: grid;
  place-items: center;
}

.blog-loading-overlay {
  position: absolute;
  top: 16px;
  right: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-text-muted);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
  font-size: 0.875rem;
  z-index: 2;
}

.blog-loading-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: blog-loading-pulse 0.9s ease-in-out infinite;
}

.blog-list-fade-enter-active,
.blog-list-fade-leave-active,
.blog-loading-fade-enter-active,
.blog-loading-fade-leave-active,
.blog-card-enter-active,
.blog-card-leave-active {
  transition:
    opacity 0.22s ease,
    transform 0.22s ease;
}

.blog-list-fade-enter-from,
.blog-list-fade-leave-to,
.blog-loading-fade-enter-from,
.blog-loading-fade-leave-to,
.blog-card-enter-from,
.blog-card-leave-to {
  opacity: 0;
  transform: translateY(8px);
}

.blog-card-move {
  transition: transform 0.22s ease;
}

@keyframes blog-loading-pulse {
  0%,
  100% {
    opacity: 0.35;
    transform: scale(0.8);
  }

  50% {
    opacity: 1;
    transform: scale(1);
  }
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-buttons button {
  min-height: 34px;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: #ffffff;
  color: var(--color-text-muted);
}

.filter-buttons button.active {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
}

.article-card-meta,
.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  color: var(--color-text-soft);
  font-size: 0.875rem;
}

.article-layout {
  grid-template-columns: minmax(0, 0.75fr) minmax(260px, 0.25fr);
  align-items: start;
}

.article-body {
  padding: 0;
}

.article-body h2,
.article-body h3 {
  margin: 40px 0 16px;
  color: var(--color-heading);
  line-height: 1.2;
}

.article-body p,
.article-body li {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--color-text);
}

.article-body ul {
  padding-left: 22px;
}

.article-sidebar {
  position: sticky;
  top: 120px;
  padding: 20px;
}

.sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.sidebar-link {
  display: grid;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-heading);
  transition:
    color 0.2s ease,
    transform 0.2s ease;
}

.sidebar-list li:last-child .sidebar-link {
  padding-bottom: 0;
  border-bottom: 0;
}

.sidebar-link span {
  font-weight: 600;
  line-height: 1.45;
}

.sidebar-link small,
.sidebar-muted {
  color: var(--color-text-soft);
  font-size: 0.875rem;
}

.sidebar-link:hover {
  color: var(--color-primary-dark);
  transform: translateX(2px);
}

.demand-layout {
  grid-template-columns: minmax(0, 0.72fr) minmax(300px, 0.28fr);
  align-items: start;
  gap: 24px;
}

.demand-form {
  display: grid;
  gap: 28px;
  max-width: none;
  padding: 28px;
}

.demand-form-heading {
  max-width: 720px;
}

.demand-form-heading .eyebrow,
.demand-aside-card .eyebrow {
  margin-bottom: 10px;
}

.demand-form-heading h2,
.demand-aside-card h2 {
  margin: 0 0 10px;
  color: var(--color-heading);
  font-size: clamp(1.6rem, 2vw, 2rem);
  line-height: 1.2;
}

.demand-form-heading p,
.demand-aside-card p {
  margin: 0;
  color: var(--color-text-muted);
}

.demand-form-section {
  display: grid;
  gap: 18px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.demand-form-section h3 {
  margin: 0;
  color: var(--color-heading);
  font-size: 1.125rem;
}

.demand-section-title {
  display: grid;
  gap: 4px;
}

.demand-section-title p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.demand-form input,
.demand-form textarea {
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

.demand-form input:focus,
.demand-form textarea:focus {
  outline: none;
  border-color: rgba(224, 122, 47, 0.72);
  box-shadow: 0 0 0 3px rgba(224, 122, 47, 0.13);
}

.demand-form textarea {
  min-height: 180px;
}

.demand-form .button-row {
  margin-top: 0;
}

.demand-submit-button {
  min-width: 148px;
  gap: 8px;
}

.button-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.demand-success {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  border-color: rgba(34, 160, 107, 0.28);
  background: linear-gradient(180deg, rgba(34, 160, 107, 0.1), rgba(34, 160, 107, 0.05));
  box-shadow: none;
}

.demand-success-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-success);
  color: #ffffff;
  font-weight: 700;
  line-height: 1;
}

.demand-success strong {
  display: block;
  color: var(--color-heading);
}

.demand-success p {
  margin: 4px 0 0;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.demand-aside {
  position: sticky;
  top: 112px;
}

.demand-aside-card {
  padding: 24px;
}

.demand-aside-list {
  display: grid;
  gap: 16px;
  padding: 22px 0 0;
  margin: 22px 0 0;
  border-top: 1px solid var(--color-border);
  list-style: none;
}

.demand-aside-list li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  color: var(--color-text);
  line-height: 1.6;
}

.demand-aside-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-size: 0.875rem;
  font-weight: 700;
}

.form-message-enter-active,
.form-message-leave-active {
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.form-message-enter-from,
.form-message-leave-to {
  opacity: 0;
  transform: translateY(-6px);
}

.summary-card ul {
  margin: 0;
  padding-left: 18px;
}

.summary-card li {
  margin-bottom: 10px;
}

.notice {
  padding: 12px 14px;
  border-left: 4px solid var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-heading);
  font-size: 0.9375rem;
}

.hidden {
  display: none !important;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.35;
  }
  50% {
    opacity: 1;
  }
}

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

@media (max-width: 1180px) {
  .service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .module-grid,
  .capability-grid,
  .scenario-grid,
  .summary-grid,
  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 960px) {
  .container {
    width: min(calc(100% - 24px), var(--content-max));
  }

  .header-actions {
    --header-language-width: 104px;
    gap: 10px;
  }

  .brand-copy {
    display: none;
  }

  .mobile-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .header-cta-group {
    display: none;
  }

  .nav-row {
    display: grid;
    max-height: 0;
    gap: 16px;
    padding-top: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-6px);
    border-top: 1px solid transparent;
    pointer-events: none;
    transition:
      max-height 0.28s ease,
      opacity 0.2s ease,
      transform 0.2s ease,
      padding-top 0.2s ease,
      border-color 0.2s ease;
  }

  body.nav-open .nav-row,
  .nav-row.open {
    max-height: 680px;
    padding-top: 8px;
    border-top-color: var(--color-border);
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .primary-nav,
  .sub-nav {
    flex-direction: column;
    align-items: stretch;
  }

  .sub-nav {
    display: flex;
  }

  .nav-item {
    width: 100%;
  }

  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 12px 0;
  }

  .nav-dropdown {
    position: static;
    display: grid;
    max-height: 0;
    margin-top: 0;
    padding: 0 10px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: none;
    box-shadow: none;
    transition:
      max-height 0.24s ease,
      opacity 0.2s ease,
      visibility 0.2s ease,
      margin-top 0.2s ease,
      padding 0.2s ease;
  }

  .nav-item:hover .nav-dropdown,
  .nav-item:focus-within .nav-dropdown {
    max-height: 0;
    margin-top: 0;
    padding: 0 10px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }

  .nav-item.dropdown-open .nav-dropdown {
    max-height: 260px;
    margin-top: 4px;
    padding: 10px;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .page-hero-grid,
  .split-grid,
  .playground-shell,
  .article-layout,
  .demand-layout {
    grid-template-columns: 1fr;
  }

  .demand-aside {
    position: static;
  }

  .metrics-grid,
  .service-grid,
  .module-grid,
  .capability-grid,
  .scenario-grid,
  .summary-grid,
  .pricing-grid,
  .console-grid,
  .blog-grid,
  .link-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .field-grid.two-col {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .section {
    padding: 56px 0;
  }

  .demand-section {
    padding-top: 36px;
  }

  .hero {
    padding: 88px 0 64px;
  }

  .metrics-grid,
  .service-grid,
  .module-grid,
  .capability-grid,
  .scenario-grid,
  .summary-grid,
  .pricing-grid,
  .console-grid,
  .blog-grid,
  .link-grid {
    grid-template-columns: 1fr;
  }

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

  .demand-form,
  .demand-aside-card {
    padding: 20px;
  }

  .demand-aside-list li {
    grid-template-columns: 28px minmax(0, 1fr);
  }

  .demand-aside-index {
    width: 28px;
    height: 28px;
  }

  .usage-row {
    grid-template-columns: 1fr;
  }

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

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero.evst-home-hero {
  background-image:
    linear-gradient(90deg, rgba(17, 17, 19, 0.88), rgba(17, 17, 19, 0.54)),
    linear-gradient(180deg, rgba(17, 17, 19, 0.14), rgba(17, 17, 19, 0.46)),
    url("../../../../uploads/evst-assets/assets/images/home/home-hero-user-v1.jpg");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.module-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.btn-group {
  display: flex;
  justify-content: flex-end;
  gap: 15px;
}

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

label.required::after {
  content: " *";
  color: var(--color-error);
  font-weight: bold;
}

.error-message {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  border: 1px solid var(--color-error);
  border-radius: var(--radius);
  background: rgba(222, 53, 11, 0.05);
  color: var(--color-error);
  font-size: 0.9375rem;
}

.error-message span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(222, 53, 11, 0.12);
  font-weight: 700;
  line-height: 1;
}

.filter-buttons a {
  min-height: 34px;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: #ffffff;
  color: var(--color-text-muted);
}

.filter-buttons a.active {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
  background: var(--color-primary-light);
}