body.development-page {
  background:
    radial-gradient(
      circle at 86% 10%,
      color-mix(in srgb, var(--ui-reward) 10%, transparent),
      transparent 32%
    ),
    var(--ui-page) !important;
}

body.development-page .development-main {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  padding-bottom: clamp(54px, 7vw, 90px) !important;
}

.development-hero,
.development-capabilities {
  width: min(100%, 1440px);
  margin-inline: auto;
}

.development-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  min-height: 520px;
  overflow: hidden;
  border: 1px solid var(--ui-line);
  border-radius: 28px;
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow);
}

.development-hero::before {
  content: '';
  position: absolute;
  left: -90px;
  bottom: -130px;
  width: 340px;
  height: 340px;
  border: 1px solid color-mix(in srgb, var(--ui-accent) 24%, transparent);
  border-radius: 50%;
  box-shadow: 0 0 90px color-mix(in srgb, var(--ui-accent) 10%, transparent);
  pointer-events: none;
}

.development-hero-copy {
  position: relative;
  z-index: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 20px;
  padding: clamp(34px, 5vw, 76px);
}

.development-hero-copy > * {
  margin: 0;
}

body.development-page .development-kicker {
  color: var(--ui-accent) !important;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.17em;
}

body.development-page .development-hero-copy > .development-kicker {
  font-size: 0.88rem;
}

.development-hero h1 {
  max-width: 9ch;
  color: var(--ui-text) !important;
  font-size: clamp(2.8rem, 5vw, 5.8rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.development-hero h1 span {
  display: block;
  color: inherit !important;
}

body.development-page .development-lead {
  max-width: 28em;
  color: var(--ui-muted) !important;
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.8;
  text-wrap: pretty;
}

.development-release {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 15px;
  border: 1px solid color-mix(in srgb, var(--ui-reward) 55%, var(--ui-line));
  border-radius: 14px;
  background: var(--ui-reward-soft);
  color: var(--ui-reward-muted) !important;
  font-size: 0.92rem;
  line-height: 1.55;
}

.development-release span,
.development-release strong {
  color: inherit !important;
}

.development-release-dot {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--ui-reward);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--ui-reward) 16%, transparent);
  animation: development-status-pulse 2.8s ease-in-out infinite;
}

.development-access-status {
  margin: -6px 0 0;
  color: var(--ui-muted) !important;
  font-size: 0.9rem;
  line-height: 1.6;
}

.development-access-status[data-state='unavailable'] {
  color: var(--ui-reward-muted) !important;
}

.development-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(100%, 410px);
  margin: 0;
  border-top: 1px solid var(--ui-line);
  border-bottom: 1px solid var(--ui-line);
}

.development-facts > div {
  min-width: 0;
  display: grid;
  gap: 4px;
  padding: 14px 0;
}

.development-facts > div + div {
  padding-left: 18px;
  border-left: 1px solid var(--ui-line);
}

.development-facts dt {
  color: var(--ui-muted) !important;
  font-size: 0.76rem;
}

.development-facts dd {
  margin: 0;
  color: var(--ui-text) !important;
  font-size: 1rem;
  font-weight: 700;
}

.development-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.development-action {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 1px solid var(--ui-line-strong);
  border-radius: 12px;
  font-family: var(--font-zh-ui);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

body.development-page .development-main .development-action-primary {
  border-color: var(--ui-action);
  background: var(--ui-action);
  color: var(--ui-action-contrast) !important;
}

body.development-page .development-main .development-action-secondary {
  background: var(--ui-surface-soft);
  color: var(--ui-text) !important;
}

.development-action:hover {
  transform: translateY(-2px);
}

body.development-page .development-main .development-action-primary:hover {
  border-color: var(--ui-action-hover);
  background: var(--ui-action-hover);
  color: var(--ui-action-contrast) !important;
}

body.development-page .development-main .development-action-secondary:hover {
  border-color: var(--ui-focus);
  background: var(--ui-accent-soft);
  color: var(--ui-text) !important;
}

.development-action:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--ui-focus) 42%, transparent);
  outline-offset: 3px;
}

.development-scene {
  position: relative;
  min-width: 0;
  min-height: 100%;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 18px;
  background: color-mix(in srgb, var(--ui-surface-soft) 72%, transparent);
}

.development-scene-frame {
  position: relative;
  width: 100%;
  min-height: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: 20px;
  background: #d7b66d;
}

.development-scene-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 52%, rgba(15, 18, 20, 0.2));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.development-scene img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.development-scene-label {
  position: absolute;
  left: 18px;
  bottom: 16px;
  z-index: 1;
  padding: 7px 10px;
  border-radius: 8px;
  background: rgba(8, 18, 23, 0.72);
  color: #ffffff !important;
  font-family: var(--font-latin);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.15em;
}

/* Shared prose colors must not override the caption on the dark image scrim. */
body.development-page .development-main .development-scene-label {
  color: #ffffff !important;
}

.development-capabilities {
  display: grid;
  gap: 22px;
}

.development-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.72fr);
  align-items: end;
  gap: 28px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--ui-line);
}

.development-section-heading > div {
  display: grid;
  gap: 7px;
}

.development-section-heading h2,
.development-section-heading p {
  margin: 0;
}

.development-section-heading h2 {
  color: var(--ui-text) !important;
  font-size: clamp(2rem, 3.3vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

body.development-page .development-section-heading > p {
  color: var(--ui-muted) !important;
  font-size: 1rem;
  line-height: 1.7;
}

.development-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.development-card {
  min-width: 0;
  display: grid;
  gap: 26px;
  padding: clamp(24px, 3.4vw, 42px);
  border: 1px solid var(--ui-line);
  border-radius: 22px;
  background: var(--ui-surface);
  box-shadow: 0 14px 34px color-mix(in srgb, var(--ui-text) 5%, transparent);
}

.development-card-student {
  border-top: 3px solid var(--ui-accent);
}

.development-card-organization {
  border-top: 3px solid var(--ui-reward);
}

.development-card-heading {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
}

.development-card-heading > div {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.development-card-heading p,
.development-card-heading h3 {
  margin: 0;
}

body.development-page .development-card-heading p {
  color: var(--ui-muted) !important;
  font-size: 0.78rem;
}

.development-card-heading h3 {
  overflow-wrap: anywhere;
  color: var(--ui-text) !important;
  font-size: clamp(1.22rem, 2vw, 1.72rem);
  line-height: 1.2;
}

.development-card-index {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--ui-line-strong);
  border-radius: 14px;
  background: var(--ui-surface-soft);
  color: var(--ui-accent) !important;
  font-size: 0.9rem;
  font-weight: 800;
}

.development-card-status {
  padding: 6px 9px;
  border: 1px solid var(--ui-line);
  border-radius: 999px;
  background: var(--ui-surface-soft);
  color: var(--ui-muted) !important;
  font-family: var(--font-zh-ui);
  font-size: 0.72rem;
  white-space: nowrap;
}

.development-card ul {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

body.development-page .development-card li {
  grid-column: span 2;
  min-width: 0;
  min-height: 36px;
  display: grid;
  place-items: center;
  padding: 6px 10px;
  border: 1px solid var(--ui-line);
  border-radius: 10px;
  background: var(--ui-surface-soft);
  color: var(--ui-text) !important;
  font-size: 0.88rem;
  line-height: 1.25;
  text-align: center;
  text-wrap: balance;
}

body.development-page .development-card-student li:nth-child(4) {
  grid-column: 2 / span 2;
}

body.development-page .development-card-student li:nth-child(5) {
  grid-column: 4 / span 2;
}

.development-bridge-note {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  border: 1px dashed color-mix(in srgb, var(--ui-accent) 42%, var(--ui-line));
  border-radius: 16px;
  background: var(--ui-accent-soft);
}

.development-bridge-note > span {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ui-accent);
  color: var(--ui-accent-contrast) !important;
  font-family: var(--font-latin);
  font-weight: 800;
}

body.development-page .development-bridge-note p {
  margin: 0;
  color: var(--ui-text) !important;
  font-size: 0.9rem;
  line-height: 1.7;
}

@keyframes development-status-pulse {
  0%,
  100% {
    opacity: 0.64;
    transform: scale(0.9);
  }
  50% {
    opacity: 1;
    transform: scale(1.08);
  }
}

@media (max-width: 1080px) {
  .development-hero {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
  }

  .development-hero-copy {
    padding: 34px;
  }
}

@media (max-width: 900px) {
  .development-hero {
    grid-template-columns: 1fr;
  }

  .development-hero h1 {
    max-width: 12ch;
  }

  .development-scene {
    min-height: 0;
  }

  .development-scene-frame {
    min-height: auto;
    aspect-ratio: 3 / 2;
  }

  .development-section-heading {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 12px;
  }
}

@media (max-width: 640px) {
  body.development-page .development-main {
    gap: 30px;
  }

  .development-hero,
  .development-card {
    border-radius: 18px;
  }

  .development-hero-copy {
    gap: 16px;
    padding: 26px 22px;
  }

  .development-hero h1 {
    font-size: clamp(2.45rem, 13vw, 3.55rem);
  }

  .development-release {
    align-items: flex-start;
  }

  .development-release-dot {
    margin-top: 0.48em;
  }

  .development-facts {
    grid-template-columns: 1fr;
  }

  .development-facts > div + div {
    padding-left: 0;
    border-top: 1px solid var(--ui-line);
    border-left: 0;
  }

  .development-actions,
  .development-action {
    width: 100%;
  }

  .development-scene {
    padding: 10px;
  }

  .development-scene-frame {
    aspect-ratio: 3 / 2;
  }

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

  .development-card {
    padding: 20px;
  }

  .development-card-heading {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 12px;
  }

  .development-card-status {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
  }

  .development-card ul {
    gap: 7px;
  }

  body.development-page .development-card li {
    min-height: 34px;
    padding-inline: 6px;
    font-size: 0.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .development-release-dot {
    animation: none;
  }

  .development-action {
    transition: none;
  }
}