.page-about {
  --about-line: rgba(203, 190, 159, 0.22);
  --about-rail-w: 104px;
  background: var(--ink-950);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-about .about-hero {
  padding: clamp(20px, 4vw, 40px) 0 clamp(44px, 7vw, 96px);
  background:
    radial-gradient(120% 90% at 8% -10%, rgba(56, 242, 208, 0.09), transparent 62%),
    radial-gradient(90% 70% at 100% 0%, rgba(255, 90, 42, 0.07), transparent 58%),
    var(--ink-950);
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(24px, 4vw, 48px);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--moss);
}

.page-about .about-crumbs a {
  color: var(--moss);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .about-crumbs a:hover,
.page-about .about-crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-about .about-crumbs a[aria-current="page"] {
  color: var(--cyan);
  border-bottom-color: rgba(56, 242, 208, 0.4);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

.page-about .about-index {
  border-top: 1px solid var(--kraft);
  padding-top: 12px;
  min-width: 0;
}

.page-about .about-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-about .about-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 2px 18px;
}

.page-about .about-index__list a {
  display: flex;
  align-items: baseline;
  gap: 7px;
  min-height: 36px;
  padding: 6px 0 6px 10px;
  border-left: 2px solid transparent;
  text-decoration: none;
  color: var(--text);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

.page-about .about-index__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--moss);
}

.page-about .about-index__label {
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.page-about .about-hero__main {
  min-width: 0;
}

.page-about .about-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about h1 {
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  font-size: clamp(2.1rem, 7.2vw, 4.4rem);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--white);
  text-shadow: 1px 0 0 rgba(240, 233, 216, 0.22);
}

.page-about .about-hero__lead {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(0.98rem, 1.4vw, 1.12rem);
  line-height: 1.85;
  color: var(--text);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  background: var(--about-line);
  border-top: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-stats__item {
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
  padding: 16px 14px;
  background: var(--ink-950);
}

.page-about .about-stats dt {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--moss);
}

.page-about .about-stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text);
}

.page-about .about-stats__num {
  font-size: clamp(1.35rem, 3.2vw, 1.9rem);
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-about .about-section {
  padding: clamp(48px, 8vw, 110px) 0;
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "lead lead";
  gap: 10px clamp(12px, 2vw, 20px);
  align-items: center;
  margin-bottom: clamp(28px, 4vw, 52px);
}

.page-about .about-head__num {
  grid-area: num;
  align-self: center;
  padding: 2px 8px;
  border: 1px solid var(--orange);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-about .about-head h2 {
  grid-area: title;
  margin: 0;
  font-size: clamp(1.55rem, 3.6vw, 2.5rem);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-about .about-head__lead {
  grid-area: lead;
  margin: 4px 0 0;
  max-width: 62ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--moss);
}

.page-about .about-mission__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-about .about-mission__copy p {
  margin: 0 0 18px;
  max-width: 66ch;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--text);
}

.page-about .about-check {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--about-line);
  padding-top: 20px;
}

.page-about .about-check li {
  position: relative;
  padding-left: 20px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--moss);
}

.page-about .about-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 1px;
  background: var(--cyan);
}

.page-about .about-check strong {
  color: var(--white);
  font-weight: 700;
}

.page-about .about-figure {
  position: relative;
  margin: 0;
  min-width: 0;
}

.page-about .about-figure::before {
  content: "";
  position: absolute;
  top: 7px;
  left: 7px;
  right: -7px;
  bottom: -7px;
  border: 1px solid var(--kraft);
  opacity: 0.35;
  pointer-events: none;
}

.page-about .about-figure img {
  position: relative;
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--kraft);
  filter: saturate(0.88) contrast(1.06);
  object-fit: cover;
}

.page-about .about-figure figcaption {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--moss);
}

.page-about .about-pipeline {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-about .about-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-about .about-steps__item {
  position: relative;
  padding-left: 46px;
  min-width: 0;
}

.page-about .about-steps__item::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 38px;
  bottom: calc(-1 * clamp(20px, 3vw, 32px));
  width: 1px;
  background: linear-gradient(180deg, rgba(203, 190, 159, 0.55), rgba(203, 190, 159, 0.05));
}

.page-about .about-steps__item:last-child::before {
  display: none;
}

.page-about .about-steps__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 2px;
  background: var(--cyan);
  color: var(--ink-950);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
}

.page-about .about-steps__item h3 {
  margin: 5px 0 6px;
  font-size: 1.04rem;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-steps__item p {
  margin: 0;
  max-width: 60ch;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--text);
}

.page-about .about-team {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--about-line);
  border: 1px solid var(--about-line);
}

.page-about .about-team__card {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 3vw, 30px);
  background: var(--ink-900);
}

.page-about .about-team__role {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-about .about-team__num {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 6vw, 3.2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--white);
  letter-spacing: -0.03em;
}

.page-about .about-team__num span {
  margin-left: 6px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--moss);
  letter-spacing: 0.04em;
}

.page-about .about-team__desc {
  margin: 0 0 22px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text);
}

.page-about .about-team__bar {
  margin-top: auto;
  height: 4px;
  background: rgba(203, 190, 159, 0.18);
  overflow: hidden;
}

.page-about .about-team__bar span {
  display: block;
  height: 100%;
  background: var(--cyan);
}

.page-about .about-team__card:nth-child(1) .about-team__bar span { width: 32%; }
.page-about .about-team__card:nth-child(2) .about-team__bar span { width: 39%; }
.page-about .about-team__card:nth-child(3) .about-team__bar span { width: 29%; }

.page-about .about-team__note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: 68ch;
  padding-left: 16px;
  border-left: 2px solid var(--gold);
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--moss);
}

.page-about .about-timeline-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  min-width: 0;
}

.page-about .about-timeline__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding-bottom: clamp(20px, 3vw, 32px);
  border-bottom: 1px dashed rgba(203, 190, 159, 0.22);
}

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

.page-about .about-timeline__year {
  display: flex;
  flex-direction: row;
  align-items: baseline;
  gap: 10px;
}

.page-about .about-timeline__y {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-about .about-timeline__ver {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--moss);
  white-space: nowrap;
}

.page-about .about-timeline__item--now .about-timeline__y {
  color: var(--orange);
}

.page-about .about-timeline__item--now .about-timeline__ver {
  position: relative;
  padding-left: 12px;
  color: var(--gold);
}

.page-about .about-timeline__item--now .about-timeline__ver::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background: var(--gold);
}

.page-about .about-timeline__body {
  min-width: 0;
  background: var(--ink-900);
  border: 1px solid var(--about-line);
  border-left: 3px solid var(--kraft);
  padding: clamp(18px, 2.6vw, 26px);
}

.page-about .about-timeline__item--now .about-timeline__body {
  border-left-color: var(--orange);
}

.page-about .about-timeline__body h3 {
  margin: 0 0 8px;
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-timeline__body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text);
}

.page-about .about-eco {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--about-line);
  border: 1px solid var(--about-line);
}

.page-about .about-eco__card {
  padding: clamp(20px, 3vw, 32px);
  background: var(--ink-900);
  min-width: 0;
}

.page-about .about-eco__big {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4.4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.page-about .about-eco__big--gold {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  letter-spacing: -0.01em;
  color: var(--gold);
}

.page-about .about-eco__card h3 {
  margin: 0 0 10px;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-eco__card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--moss);
}

.page-about .about-eco__card--honor {
  border-left: 3px solid var(--gold);
}

.page-about .about-tianjin__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-about .about-tianjin .about-head {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-about .about-tianjin__text {
  margin: 0 0 16px;
  max-width: 60ch;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--text);
}

.page-about .about-tianjin__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-about .about-contact-card {
  padding: clamp(22px, 3vw, 34px);
  background: var(--paper);
  color: var(--ink-950);
  border: 1px solid var(--kraft);
  box-shadow: 8px 8px 0 rgba(203, 190, 159, 0.16);
  min-width: 0;
}

.page-about .about-contact-card__title {
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(6, 23, 17, 0.18);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-950);
}

.page-about .about-contact-card__list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-contact-card__row {
  display: grid;
  gap: 3px;
}

.page-about .about-contact-card__row dt {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: #4d6a5f;
}

.page-about .about-contact-card__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink-950);
  overflow-wrap: anywhere;
}

.page-about .about-contact-card__note {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(6, 23, 17, 0.22);
  font-size: 0.82rem;
  line-height: 1.7;
  color: #3c5449;
}

.page-about .about-contact-card__icp {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: #5f7a6e;
}

@media (min-width: 640px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-steps__item {
    padding-left: 54px;
  }

  .page-about .about-timeline__year {
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
  }
}

@media (min-width: 820px) {
  .page-about .about-team {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-about .about-timeline__item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 0 clamp(20px, 3vw, 40px);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-about .about-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }

  .page-about .about-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-about .about-mission__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.85fr);
  }

  .page-about .about-tianjin__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-about .about-head {
    grid-template-columns: auto minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas: "num title lead";
    gap: clamp(16px, 2vw, 28px);
    align-items: center;
  }

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

@media (min-width: 940px) {
  .page-about .about-pipeline {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.78fr);
  }

  .page-about .about-pipeline__figure {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }
}

@media (min-width: 1040px) {
  .page-about .about-timeline-wrap {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.55fr);
  }

  .page-about .about-timeline__figure {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }
}

@media (min-width: 1080px) {
  .page-about .about-eco {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-about .about-eco__card {
    grid-column: span 2;
  }

  .page-about .about-eco__card--honor {
    grid-column: span 4;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
<<<END>>>