.page-about {
  --about-bg-soft: rgba(245, 247, 250, 0.05);
  color: var(--text-light);
  background:
    radial-gradient(1000px 480px at 88% -4%, rgba(0, 255, 156, 0.07), transparent 60%),
    radial-gradient(720px 420px at -10% 30%, rgba(30, 77, 74, 0.32), transparent 65%),
    linear-gradient(180deg, var(--bg-deep-2) 0%, var(--bg-deep) 44%, #0E2133 100%);
}

.page-about .breadcrumbs {
  margin-top: 36px;
}

.page-about .page-header {
  margin: 28px 0 56px;
  padding-left: 24px;
  border-left: 3px solid var(--neon-green);
}

.page-about .page-title__main {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 1;
  letter-spacing: -0.03em;
  transform: skewX(-6deg);
  color: var(--text-light);
}

.page-about .page-title__brand {
  display: block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: clamp(0.72rem, 1.2vw, 0.9rem);
  letter-spacing: 0.1em;
  color: var(--text-dim);
  transform: skewX(-6deg);
}

.page-about .page-intro {
  max-width: 640px;
  margin-top: 18px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.story-layout {
  display: block;
  margin-top: 8px;
}

.story-aside {
  margin-bottom: 64px;
}

.manifesto {
  position: relative;
  padding: 40px 28px 36px;
  background:
    linear-gradient(150deg, rgba(30, 77, 74, 0.45), rgba(11, 27, 45, 0.15) 55%),
    rgba(245, 247, 250, 0.04);
  border: 1px solid var(--line-soft);
  clip-path: var(--clip);
  overflow: hidden;
}

.manifesto::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 255, 156, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 156, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.manifesto::after {
  content: "";
  position: absolute;
  left: -45%;
  top: 34%;
  width: 42%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 156, 0.9), transparent);
  transform: rotate(-16deg);
  animation: manifesto-beam 3400ms cubic-bezier(0.2, 0, 0, 1) infinite;
  pointer-events: none;
  opacity: 0;
}

.manifesto:hover::after {
  animation-duration: 800ms;
}

@keyframes manifesto-beam {
  0% {
    left: -45%;
    opacity: 0;
  }
  12% {
    opacity: 0.85;
  }
  55% {
    opacity: 0.4;
  }
  100% {
    left: 130%;
    opacity: 0;
  }
}

.manifesto__title {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 3.4vw, 2.8rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  transform: skewX(-4deg);
  color: var(--text-light);
}

.manifesto__lead {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.7;
  color: var(--text-light);
}

.manifesto__body {
  margin-top: 12px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.manifesto__media {
  margin-top: 24px;
}

.manifesto__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  clip-path: var(--clip);
  filter: saturate(1.1) contrast(1.05);
}

.manifesto__caption {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--text-dim);
}

.manifesto__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.section-heading {
  margin-bottom: 28px;
}

.page-about .section-title {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  transform: skewX(-4deg);
  color: var(--text-light);
}

.page-about .section-intro {
  max-width: 560px;
  margin-top: 12px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.timeline {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
}

.timeline__item {
  position: relative;
  padding: 0 0 30px 56px;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__node {
  position: absolute;
  left: 0;
  top: 26px;
  z-index: 1;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 0 4px rgba(0, 255, 156, 0.16), 0 0 20px rgba(0, 255, 156, 0.55);
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 44px;
  bottom: -6px;
  width: 2px;
  background: linear-gradient(180deg, rgba(0, 255, 156, 0.5), rgba(0, 255, 156, 0.04));
}

.timeline__item:last-child::before,
.timeline__item--current::before {
  display: none;
}

.timeline__item--current .timeline__node {
  background: var(--electric-orange);
  box-shadow: 0 0 0 4px rgba(255, 108, 0, 0.16), 0 0 20px rgba(255, 108, 0, 0.5);
}

.timeline__card {
  background: var(--about-bg-soft);
  border: 1px solid var(--line-soft);
  clip-path: var(--clip);
}

.timeline__trigger {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 10px 18px;
  width: 100%;
  padding: 20px 22px 14px;
  background: transparent;
  border: 0;
  color: var(--text-light);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
}

.timeline__trigger::after {
  content: "▾";
  grid-column: 2;
  justify-self: end;
  align-self: center;
  color: var(--text-dim);
  font-size: 0.8rem;
  transition: transform var(--transition);
}

.timeline__trigger[aria-expanded="false"]::after {
  transform: rotate(-90deg);
}

.timeline__trigger:hover .timeline__title {
  color: var(--neon-green);
}

.timeline__meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--neon-green);
  white-space: nowrap;
}

.timeline__title {
  font-size: 1.08rem;
  font-weight: 800;
  line-height: 1.4;
  transition: color var(--transition);
}

.timeline__panel {
  padding: 2px 22px 22px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-dim);
  border-top: 1px dashed var(--line-soft);
}

.timeline__item--current .timeline__card {
  padding: 20px 22px;
}

.timeline__item--current .timeline__meta {
  color: var(--electric-orange);
}

.timeline__heading {
  margin: 10px 0 0;
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--text-light);
}

.timeline__panel--static {
  padding: 8px 0 0;
  border-top: 0;
}

.timeline-media {
  max-width: 420px;
  margin: 36px 0 0;
}

.timeline-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  clip-path: var(--clip);
}

.capability-section {
  position: relative;
  margin-top: 64px;
  padding: 36px 24px 32px;
  background: linear-gradient(135deg, rgba(30, 77, 74, 0.55), rgba(15, 58, 64, 0.2) 70%, transparent);
  border: 1px solid var(--line-soft);
  clip-path: var(--clip);
}

.capability-head {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 28px;
}

.capability-badge {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line);
  box-shadow: 0 0 28px rgba(0, 255, 156, 0.14);
}

.capability-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.cap-card {
  padding: 20px;
  background: rgba(11, 27, 45, 0.5);
  border: 1px solid var(--line-soft);
  clip-path: var(--clip);
  transition: border-color var(--transition), background var(--transition);
}

.cap-card:hover {
  border-color: var(--neon-green);
  background: rgba(0, 255, 156, 0.05);
}

.cap-card__label {
  margin-bottom: 8px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.cap-card__value {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--neon-green);
}

.cap-card__desc {
  margin-top: 10px;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-dim);
}

.shenyang-section {
  position: relative;
  margin-top: 64px;
  padding: 40px 24px 44px;
  background: linear-gradient(180deg, rgba(15, 58, 64, 0.32), rgba(11, 27, 45, 0.1));
  border-top: 2px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.shenyang-skyline {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 170px;
  opacity: 0.9;
  pointer-events: none;
}

.shenyang-section__content {
  position: relative;
  z-index: 1;
  max-width: 620px;
}

.shenyang-section__intro {
  margin-top: 14px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.shenyang-points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.shenyang-points li {
  position: relative;
  padding-left: 22px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-light);
}

.shenyang-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 10px;
  height: 2px;
  background: var(--neon-green);
  transform: skewX(-24deg);
}

.shenyang-section__actions {
  margin-top: 26px;
}

@media (min-width: 560px) {
  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 640px) {
  .capability-head {
    flex-direction: row;
    align-items: flex-start;
    gap: 28px;
  }

  .capability-badge {
    width: 120px;
    height: 120px;
  }

  .timeline-media {
    margin-left: 56px;
  }
}

@media (min-width: 1024px) {
  .story-layout {
    display: grid;
    grid-template-columns: minmax(280px, 0.7fr) minmax(0, 1.6fr);
    gap: clamp(40px, 6vw, 90px);
    align-items: start;
  }

  .story-aside {
    position: sticky;
    top: 96px;
    margin-bottom: 0;
  }
}