.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(26px, 4vw, 44px) 0 clamp(56px, 8vw, 104px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 58%;
  background: var(--ink-2);
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 100%);
  opacity: .85;
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--turf-lit), transparent 62%);
  opacity: .5;
  pointer-events: none;
}

.page-about .about-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-about .breadcrumbs__item {
  display: inline;
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  margin-top: clamp(22px, 3vw, 38px);
}

.page-about .about-h1 {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 58px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--paper);
  max-width: 18em;
}

.page-about .about-hero .lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(244, 241, 232, .82);
}

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

.page-about .about-hero__cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-content: start;
}

.page-about .about-hero__cards .data-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 16px 18px;
  background: rgba(11, 31, 23, .62);
  border: 1px solid rgba(79, 191, 122, .34);
  color: var(--paper);
  transition: border-color .15s var(--ease), transform .18s var(--ease);
}

.page-about .about-hero__cards .data-card:hover {
  border-color: var(--signal);
  transform: translateY(-2px);
}

.page-about .about-hero__cards .data-card__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-about .about-hero__cards .data-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.6vw, 42px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}

.page-about .about-hero__cards .data-card--signal .data-card__value {
  color: var(--signal);
}

.page-about .about-hero__cards .data-card__meta {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(244, 241, 232, .6);
}

.page-about .about-unit {
  font-size: .42em;
  font-weight: 500;
  margin-left: 4px;
  letter-spacing: .06em;
  color: rgba(244, 241, 232, .68);
}

/* ---------- 段落骨架 ---------- */

.page-about .about-sec {
  padding-block: clamp(56px, 8vw, 104px);
}

.page-about .about-row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 26px);
}

.page-about .about-aside {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
}

.page-about .about-aside__num {
  margin: 0;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--mist);
}

.page-about .about-aside__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--turf);
}

.page-about .about-aside__note {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-about .section--ink .about-aside__year {
  color: var(--signal);
}

.page-about .section--ink .about-aside__num,
.page-about .section--ink .about-aside__note {
  color: rgba(244, 241, 232, .55);
}

.page-about .about-body {
  max-width: 72ch;
}

.page-about .about-body h2 {
  margin: 0 0 18px;
}

.page-about .about-body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
}

.page-about .section--ink .about-body h2,
.page-about .section--ink .about-body h3 {
  color: var(--paper);
}

.page-about .section--ink .about-body p {
  color: rgba(244, 241, 232, .82);
}

.page-about .about-drop::first-letter {
  float: left;
  font-family: var(--font-display);
  font-size: 3.4em;
  font-weight: 800;
  line-height: .86;
  padding: 6px 12px 0 0;
  color: var(--turf);
}

/* ---------- 细线列表 ---------- */

.page-about .about-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid rgba(140, 148, 144, .38);
}

.page-about .about-list__item {
  position: relative;
  padding: 16px 0 16px 0;
  border-bottom: 1px solid rgba(140, 148, 144, .38);
  transition: padding-left .18s var(--ease);
}

.page-about .about-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--signal);
  transition: width .18s var(--ease);
}

.page-about .about-list__item:hover {
  padding-left: 14px;
}

.page-about .about-list__item:hover::before {
  width: 4px;
}

.page-about .about-list__k {
  margin: 0 0 6px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--turf);
}

.page-about .about-list__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 三段流程 ---------- */

.page-about .about-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid rgba(244, 241, 232, .18);
}

.page-about .about-steps__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px 16px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(244, 241, 232, .18);
  transition: background .18s var(--ease);
}

.page-about .about-steps__item:hover {
  background: rgba(79, 191, 122, .07);
}

.page-about .about-steps__n {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--turf-lit);
  padding-top: 4px;
}

.page-about .about-steps__text h3 {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-about .about-steps__text p {
  margin: 0;
  font-size: 15px;
}

/* ---------- 配图 ---------- */

.page-about .about-figure {
  margin: 34px 0 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--stand);
  filter: saturate(.94) brightness(.96);
}

.page-about .about-figure--side img {
  aspect-ratio: 3 / 2;
}

.page-about .about-figure figcaption {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(140, 148, 144, .38);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .section--ink .about-figure figcaption {
  border-top-color: rgba(244, 241, 232, .2);
  color: rgba(244, 241, 232, .55);
}

/* ---------- 覆盖数字 ---------- */

.page-about .about-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  background: rgba(140, 148, 144, .38);
  border: 1px solid rgba(140, 148, 144, .38);
}

.page-about .about-figure-cell {
  background: var(--paper);
  padding: 18px 16px 20px;
  transition: background .18s var(--ease);
}

.page-about .about-figure-cell:hover {
  background: #EBE7DB;
}

.page-about .about-figure-cell__v {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  color: var(--turf);
}

.page-about .about-figure-cell__k {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--char);
}

/* ---------- 时间轴 ---------- */

.page-about .about-tl {
  position: relative;
  list-style: none;
  margin: 28px 0 0;
  padding: 0 0 0 26px;
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 12px;
  width: 1px;
  background: rgba(79, 191, 122, .42);
}

.page-about .about-tl__item {
  position: relative;
  padding-bottom: 26px;
  transition: transform .18s var(--ease);
}

.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 6px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--turf-lit);
  background: var(--ink);
  transition: background .15s var(--ease), border-color .15s var(--ease);
}

.page-about .about-tl__item:hover::before {
  background: var(--signal);
  border-color: var(--signal);
}

.page-about .about-tl__item:hover {
  transform: translateX(2px);
}

.page-about .about-tl__year {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--signal);
  font-variant-numeric: tabular-nums;
}

.page-about .about-tl__h {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-about .about-tl__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 241, 232, .7);
  max-width: 46em;
}

/* ---------- 团队比例条 ---------- */

.page-about .about-bars {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid rgba(140, 148, 144, .38);
}

.page-about .about-bar {
  display: grid;
  grid-template-columns: 5.5em minmax(0, 1fr) 2.2em;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(140, 148, 144, .38);
  transition: background .16s var(--ease);
}

.page-about .about-bar:hover {
  background: rgba(31, 107, 69, .06);
}

.page-about .about-bar__name {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--char);
}

.page-about .about-bar__track {
  display: block;
  height: 10px;
  background: rgba(140, 148, 144, .24);
  overflow: hidden;
}

.page-about .about-bar__fill {
  display: block;
  height: 100%;
  width: 0;
  background: var(--turf);
  transition: width .6s var(--ease), background .16s var(--ease);
}

.page-about .about-bar:hover .about-bar__fill {
  background: var(--signal);
}

.page-about .about-bar--edit .about-bar__fill { width: 33.3%; }
.page-about .about-bar--check .about-bar__fill { width: 21.4%; }
.page-about .about-bar--tech .about-bar__fill { width: 16.7%; }
.page-about .about-bar--rest .about-bar__fill { width: 28.6%; }

.page-about .about-bar__val {
  margin: 0;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--turf);
}

.page-about .about-bar:hover .about-bar__val {
  color: var(--char);
}

.page-about .about-note {
  margin: 26px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--turf-lit);
  font-size: 14px;
  line-height: 1.85;
  color: var(--char);
}

/* ---------- 服务标准 ---------- */

.page-about .about-promise {
  position: relative;
  overflow: hidden;
}

.page-about .about-promise__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .16;
  filter: saturate(.75) brightness(.85);
  pointer-events: none;
}

.page-about .about-promise__inner {
  position: relative;
  z-index: 1;
}

.page-about .about-promise__head {
  max-width: 44em;
}

.page-about .about-promise__head h2 {
  margin: 12px 0 12px;
}

.page-about .about-promise__lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 241, 232, .74);
}

.page-about .about-promise__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 36px;
  background: rgba(79, 191, 122, .3);
  border: 1px solid rgba(79, 191, 122, .3);
}

.page-about .about-pillar {
  background: rgba(11, 31, 23, .82);
  padding: 24px 20px 26px;
  transition: background .18s var(--ease);
}

.page-about .about-pillar:hover {
  background: rgba(18, 58, 42, .92);
}

.page-about .about-pillar__n {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--turf-lit);
}

.page-about .about-pillar h3 {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-about .about-pillar p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(244, 241, 232, .74);
}

.page-about .about-promise__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
  margin-top: 30px;
}

.page-about .about-inline-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--turf);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 107, 69, .45);
  padding-bottom: 2px;
  transition: color .15s var(--ease), border-color .15s var(--ease);
}

.page-about .about-inline-link:hover,
.page-about .about-inline-link:focus-visible {
  color: var(--char);
  border-bottom-color: var(--signal);
}

.page-about .section--ink .about-inline-link {
  color: var(--turf-lit);
  border-bottom-color: rgba(79, 191, 122, .5);
}

.page-about .section--ink .about-inline-link:hover,
.page-about .section--ink .about-inline-link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 收尾 ---------- */

.page-about .about-cta__box {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid rgba(140, 148, 144, .45);
  border-left: 4px solid var(--turf);
  background: #EDE9DD;
}

.page-about .about-cta__lead h2 {
  margin: 0 0 12px;
}

.page-about .about-cta__lead p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--char);
  max-width: 40em;
}

.page-about .about-cta__side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-about .about-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 880px) {
  .page-about .about-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: clamp(32px, 4vw, 64px);
  }

  .page-about .about-hero__cards > :nth-child(even) {
    transform: translateY(30px);
  }

  .page-about .about-hero__cards > :nth-child(even):hover {
    transform: translateY(28px);
  }

  .page-about .about-row {
    grid-template-columns: 168px minmax(0, 1fr);
    column-gap: 56px;
  }

  .page-about .about-row::before {
    content: "";
    position: absolute;
    top: 10px;
    bottom: calc(-1 * clamp(24px, 4vw, 56px));
    left: 184px;
    width: 1px;
    background: currentColor;
    opacity: .2;
    pointer-events: none;
  }

  .page-about .section--ink .about-row::before {
    opacity: .32;
  }

  .page-about .about-aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-top: 4px;
  }

  .page-about .about-aside__note {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: .34em;
    max-height: 190px;
    font-size: 11px;
  }

  .page-about .about-cta__box {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    align-items: center;
    column-gap: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-hero__cards .data-card,
  .page-about .about-list__item,
  .page-about .about-tl__item,
  .page-about .about-tl__item::before,
  .page-about .about-bar__fill,
  .page-about .about-pillar,
  .page-about .about-inline-link {
    transition: none;
  }
}
<<<END>>>