.page-about {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-about .about-hero {
  position: relative;
  padding: calc(var(--header-h) + 36px) 0 56px;
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 78%;
  height: 74%;
  background:
    linear-gradient(140deg, rgba(30, 111, 168, 0.16), rgba(106, 63, 160, 0.12) 52%, rgba(201, 138, 46, 0.14) 88%);
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 84%);
  pointer-events: none;
}

.page-about .about-hero__grid {
  position: relative;
  display: grid;
  gap: 32px;
  margin-top: 28px;
}

.page-about .about-hero h1 {
  margin: 10px 0 0;
  font-size: var(--step-4);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  max-width: 15ch;
}

.page-about .about-hero__desc {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-hero__plate {
  position: relative;
  padding: 22px 20px 24px;
  border: 1px solid var(--line-strong);
  border-top: 4px solid var(--sand-gold);
  border-radius: var(--radius);
  background: rgba(246, 239, 227, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-about .about-hero__plate-tag {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-ink);
}

.page-about .about-hero__facts {
  display: grid;
  gap: 14px;
  margin: 0;
}

.page-about .about-hero__fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

.page-about .about-hero__fact:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-about .about-hero__fact dt {
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  color: var(--fg-muted);
}

.page-about .about-hero__fact dd {
  margin: 0;
  font-size: var(--step-1);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-about .about-hero__fact dd .mono {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  font-weight: 700;
  color: var(--tianshan-blue);
  letter-spacing: 0.02em;
}

.page-about .about-head {
  max-width: 62ch;
}

.page-about .about-head h2 {
  margin: 8px 0 0;
  font-size: var(--step-3);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-about .about-head__desc {
  margin: 16px 0 0;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-about .about-figure {
  margin: 0;
}

.page-about .about-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--paper-grey);
}

.page-about .about-figure--band .about-figure__img {
  aspect-ratio: 2 / 1;
  margin-top: 28px;
}

.page-about .about-figure--tall .about-figure__img {
  aspect-ratio: 4 / 3;
}

.page-about .about-figure--square .about-figure__img {
  aspect-ratio: 3 / 2;
}

.page-about .about-figure__caption {
  margin-top: 10px;
  font-size: var(--step--1);
  letter-spacing: 0.02em;
  color: var(--fg-muted);
  border-left: 3px solid var(--sand-gold);
  padding-left: 10px;
}

.page-about .timeline {
  position: relative;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 14px;
  width: 2px;
  background: linear-gradient(180deg, var(--sand-gold), var(--grape-purple) 70%, var(--tianshan-blue));
}

.page-about .timeline__item {
  position: relative;
  padding: 0 0 32px 38px;
}

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

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--sand-gold);
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 6px rgba(201, 138, 46, 0.28);
}

.page-about .timeline__year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--gold-ink);
  background: rgba(201, 138, 46, 0.12);
  padding: 3px 9px;
  border-radius: 999px;
}

.page-about .timeline__title {
  margin: 10px 0 0;
  font-size: var(--step-1);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-about .timeline__text {
  margin: 8px 0 0;
  max-width: 54ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-about .about-team__grid {
  display: grid;
  gap: 32px;
}

.page-about .about-team h2 {
  margin: 8px 0 0;
  font-size: var(--step-3);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-about .about-team__desc {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-about .about-team__total {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 26px 0 0;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--line-strong);
}

.page-about .about-team__total-num {
  font-family: var(--font-mono);
  font-size: var(--step-4);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--deep-green);
}

.page-about .about-team__total-label {
  font-size: var(--step-0);
  color: var(--fg-muted);
}

.page-about .team-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-about .team-list__item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num role"
    "num note";
  column-gap: 14px;
  row-gap: 2px;
  padding: 14px 16px;
  background: var(--sandstone);
  border-radius: var(--radius);
  border-left: 4px solid var(--line-strong);
  transition: transform var(--t-card) var(--ease);
}

.page-about .team-list__item:hover {
  transform: translateX(4px);
}

.page-about .team-list__item--gold { border-left-color: var(--sand-gold); }
.page-about .team-list__item--blue { border-left-color: var(--tianshan-blue); }
.page-about .team-list__item--purple { border-left-color: var(--grape-purple); }
.page-about .team-list__item--orange { border-left-color: var(--warm-orange); }

.page-about .team-list__num {
  grid-area: num;
  align-self: center;
  font-family: var(--font-mono);
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--deep-green);
}

.page-about .team-list__role {
  grid-area: role;
  font-size: var(--step-0);
  font-weight: 700;
}

.page-about .team-list__note {
  grid-area: note;
  font-size: var(--step--1);
  line-height: 1.6;
  color: var(--fg-muted);
}

.page-about .section--dark.about-standard {
  background: var(--deep-green);
  color: var(--on-dark);
}

.page-about .about-standard__grid {
  display: grid;
  gap: 34px;
}

.page-about .about-standard h2 {
  margin: 8px 0 0;
  font-size: var(--step-3);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-about .about-standard__eyebrow {
  color: var(--sand-gold);
}

.page-about .about-standard__desc {
  margin: 16px 0 24px;
  max-width: 46ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--on-dark-muted);
}

.page-about .about-standard__meters {
  display: grid;
  gap: 22px;
  padding: 24px 20px 22px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(246, 239, 227, 0.06);
}

.page-about .meter__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.page-about .meter__label {
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  color: var(--on-dark-muted);
}

.page-about .meter__value {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--on-dark);
}

.page-about .meter__track {
  position: relative;
  height: 8px;
  border-radius: 999px;
  background: rgba(246, 239, 227, 0.14);
  overflow: hidden;
}

.page-about .meter__fill {
  display: block;
  height: 100%;
  width: var(--pct, 0%);
  border-radius: 999px;
  transition: width var(--t-timeline) var(--ease);
}

.page-about .meter__fill--gold { background: linear-gradient(90deg, var(--sand-gold), var(--warm-orange)); }
.page-about .meter__fill--blue { background: linear-gradient(90deg, var(--tianshan-blue), var(--data-blue)); }
.page-about .meter__fill--teal { background: linear-gradient(90deg, var(--glass-teal), var(--data-blue)); }
.page-about .meter__fill--purple { background: linear-gradient(90deg, var(--grape-purple), var(--warm-orange)); }

.page-about .about-standard__foot {
  margin: 4px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-dark);
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--on-dark-muted);
}

.page-about .about-cases__layout {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

.page-about .about-cases__side {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px 20px;
  background: var(--paper-grey);
  border-radius: var(--radius);
  border-top: 4px solid var(--grape-purple);
}

.page-about .about-cases__price {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
}

.page-about .about-cases__price-label {
  font-size: var(--step--1);
  letter-spacing: 0.08em;
  color: var(--fg-muted);
}

.page-about .about-cases__price-value {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--grape-purple);
}

.page-about .about-cases__note {
  margin: 0;
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-about .about-cases__side .btn {
  align-self: flex-start;
}

.page-about .quarter-wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .q-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 14px 16px;
  background: var(--sandstone);
  border: 1px solid var(--line);
  border-left: 3px solid var(--sand-gold);
  border-radius: var(--radius);
  transition: transform var(--t-card) var(--ease), box-shadow var(--t-card) var(--ease);
}

.page-about .q-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 26px rgba(18, 22, 25, 0.1);
}

.page-about .q-card__no {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--gold-ink);
}

.page-about .q-card__title {
  margin: 0;
  font-size: var(--step--1);
  font-weight: 700;
  line-height: 1.45;
}

.page-about .q-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  color: var(--fg-muted);
}

.page-about .about-eco__grid {
  display: grid;
  gap: 28px;
}

.page-about .about-eco h2 {
  margin: 8px 0 0;
  font-size: var(--step-3);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-about .about-eco__desc {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-about .eco-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .eco-grid__cell {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  padding: 16px 14px 18px;
  border-radius: var(--radius);
  color: var(--on-dark);
  min-height: 104px;
}

.page-about .eco-grid__cell--blue { background: var(--tianshan-blue); }
.page-about .eco-grid__cell--purple { background: var(--grape-purple); }
.page-about .eco-grid__cell--gold { background: var(--sand-gold); color: var(--dark, #121619); }
.page-about .eco-grid__cell--green { background: var(--deep-green); }
.page-about .eco-grid__cell--orange { background: var(--warm-orange); }
.page-about .eco-grid__cell--ink { background: var(--midnight); }

.page-about .eco-grid__num {
  font-family: var(--font-mono);
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
}

.page-about .eco-grid__unit {
  font-size: var(--step-0);
  margin-left: 2px;
}

.page-about .eco-grid__label {
  font-size: var(--step--1);
  line-height: 1.5;
  opacity: 0.92;
}

.page-about .eco-grid__cell--gold .eco-grid__label,
.page-about .eco-grid__cell--gold .eco-grid__num {
  color: #121619;
}

.page-about .about-next {
  padding-bottom: 80px;
}

.page-about .about-next__panel {
  position: relative;
  display: grid;
  gap: 22px;
  padding: 32px 24px;
  background:
    linear-gradient(135deg, rgba(30, 111, 168, 0.1), rgba(106, 63, 160, 0.1));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}

.page-about .about-next h2 {
  margin: 0;
  font-size: var(--step-2);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.page-about .about-next__copy p {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-about .about-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-self: center;
}

@media (min-width: 720px) {
  .page-about .about-hero {
    padding: calc(var(--header-h) + 56px) 0 72px;
  }

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

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

  .page-about .about-next__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 40px 36px;
    gap: 32px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
    align-items: end;
    gap: 56px;
    margin-top: 44px;
  }

  .page-about .about-hero__plate {
    margin-bottom: 8px;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 56px;
  }

  .page-about .about-figure--tall {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-about .about-standard__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
    gap: 64px;
  }

  .page-about .about-cases__layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
    align-items: stretch;
    gap: 32px;
  }

  .page-about .about-cases__side {
    margin-top: 28px;
  }

  .page-about .quarter-wall {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-top: 40px;
  }

  .page-about .about-eco__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
    gap: 56px;
  }

  .page-about .timeline {
    margin-top: 48px;
  }

  .page-about .timeline__item {
    padding-left: 54px;
    padding-bottom: 40px;
  }

  .page-about .timeline__text {
    font-size: var(--step-0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-list__item,
  .page-about .q-card,
  .page-about .meter__fill {
    transition: none;
  }

  .page-about .team-list__item:hover,
  .page-about .q-card:hover {
    transform: none;
  }
}

.page-about {
  --pct: 1rem;
}