.page-about {
  --ab-hair: 1px solid var(--kg-vine);
  --ab-mono: var(--kg-font-mono);
}

/* ---------- 面包屑 ---------- */
.page-about .ab-crumbs {
  padding-top: 30px;
}

/* ---------- 开篇 ---------- */
.page-about .ab-open {
  position: relative;
  overflow: hidden;
  padding-top: 22px;
}

.page-about .ab-open::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -80px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(124, 242, 192, .30), transparent 68%);
  pointer-events: none;
}

.page-about .ab-open__grid {
  position: relative;
  display: grid;
  gap: 30px;
}

.page-about .ab-open__text .kg-display {
  margin: 10px 0 18px;
  font-size: clamp(2.8rem, 11.5vw, 6.4rem);
  line-height: .92;
  letter-spacing: -.02em;
}

.page-about .ab-open__extra {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--kg-peel);
}

.page-about .ab-open__acts {
  margin-top: 26px;
}

.page-about .ab-open__fig {
  margin: 0;
}

.page-about .ab-open__fig .kg-figure__media {
  clip-path: polygon(0 4%, 100% 0, 100% 100%, 0 96%);
  overflow: hidden;
}

.page-about .ab-open__fig .kg-figure__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 960px) {
  .page-about .ab-open__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
    gap: 54px;
  }
}

/* ---------- 共用小节文字 ---------- */
.page-about .ab-lead {
  margin: 12px 0 0;
  max-width: 46em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--kg-peel);
}

/* ---------- 时间轨 ---------- */
.page-about .ab-tl {
  list-style: none;
  margin: 38px 0 0;
  padding: 0;
}

.page-about .ab-tl__item {
  position: relative;
  padding: 0 0 30px 30px;
}

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

.page-about .ab-tl__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--kg-flesh);
  box-shadow: 0 0 0 4px var(--kg-cream), 0 0 0 5px var(--kg-vine);
}

.page-about .ab-tl__item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 25px;
  bottom: -1px;
  width: 1px;
  background: var(--kg-vine);
}

.page-about .ab-tl__mark {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--ab-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--kg-peel);
}

.page-about .ab-tl__card {
  border-left: 2px solid var(--kg-core);
  background: #fff;
  padding: 18px 20px 20px;
}

.page-about .ab-tl__card .kg-h3 {
  margin: 0 0 8px;
}

.page-about .ab-tl__card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
}

@media (min-width: 820px) {
  .page-about .ab-tl__item {
    padding: 0 0 38px 150px;
  }

  .page-about .ab-tl__item::before {
    left: 96px;
    top: 12px;
  }

  .page-about .ab-tl__item:not(:last-child)::after {
    left: 101px;
    top: 28px;
  }

  .page-about .ab-tl__mark {
    position: absolute;
    left: 0;
    top: 8px;
    width: 78px;
    margin: 0;
    text-align: right;
  }

  .page-about .ab-tl__item:nth-child(2n) .ab-tl__card {
    margin-left: 46px;
  }
}

/* ---------- 十二个分区 ---------- */
.page-about .ab-zones__fig {
  margin: 32px 0 0;
}

.page-about .ab-zones__fig .kg-figure__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .ab-zones {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 26px;
  background: var(--kg-vine);
  border: var(--ab-hair);
}

.page-about .ab-zone {
  background: var(--kg-cream);
  padding: 22px 18px 24px;
}

.page-about .ab-zone__range {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 7px;
  background: var(--kg-core);
  color: var(--kg-seed);
  font-family: var(--ab-mono);
  font-size: 11px;
  letter-spacing: .1em;
}

.page-about .ab-zone .kg-h3 {
  margin: 0 0 8px;
}

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

.page-about .ab-zone p + p {
  margin-top: 8px;
}

@media (min-width: 880px) {
  .page-about .ab-zones {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .ab-zone {
    padding: 26px 22px 30px;
  }
}

/* ---------- 团队 ---------- */
.page-about .ab-team__grid {
  display: grid;
  gap: 30px;
}

.page-about .ab-team__text p {
  font-size: 16.5px;
  line-height: 1.85;
}

.page-about .ab-team__note {
  margin-top: 18px;
  padding-left: 16px;
  border-left: 3px solid var(--kg-clay);
  color: var(--kg-peel);
  font-size: 16px;
}

.page-about .ab-team__fig {
  margin: 0;
}

.page-about .ab-team__fig .kg-figure__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-about .ab-team__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
    gap: 48px;
  }
}

/* ---------- 覆盖半径横幅 ---------- */
.page-about .ab-reach {
  padding-left: 0;
  padding-right: 0;
}

.page-about .ab-reach__band {
  background: var(--kg-plum);
  color: var(--kg-cream);
}

.page-about .ab-reach__inner {
  padding-top: 46px;
  padding-bottom: 50px;
}

.page-about .ab-reach__kicker {
  color: var(--kg-mint);
}

.page-about .ab-reach__title {
  color: var(--kg-cream);
}

.page-about .ab-reach__lead {
  margin: 14px 0 0;
  max-width: 44em;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(250, 247, 239, .82);
}

.page-about .ab-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin: 34px 0 0;
  background: rgba(250, 247, 239, .2);
  border: 1px solid rgba(250, 247, 239, .2);
}

.page-about .ab-stats > div {
  background: var(--kg-plum);
  padding: 20px 18px 22px;
}

.page-about .ab-stats dt {
  margin: 0;
  font-family: var(--ab-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--kg-mint);
}

.page-about .ab-stats dd {
  margin: 10px 0 0;
  font-family: var(--ab-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--kg-core);
}

/* ---------- 合作方 ---------- */
.page-about .ab-partner-row {
  display: grid;
  gap: 22px;
  margin-top: 32px;
}

.page-about .ab-partner {
  border-left: 1px solid var(--kg-vine);
  padding: 4px 0 4px 22px;
}

.page-about .ab-partner__num {
  display: block;
  font-family: var(--ab-mono);
  font-size: 54px;
  line-height: 1;
  color: var(--kg-flesh);
}

.page-about .ab-partner__label {
  display: block;
  margin-top: 10px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .02em;
}

.page-about .ab-partner p {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--kg-peel);
}

@media (min-width: 760px) {
  .page-about .ab-partner-row {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    gap: 30px;
  }
}

/* ---------- 数据条 ---------- */
.page-about .ab-proof__list {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 30px 0 0;
  padding: 0;
  background: var(--kg-vine);
  border: var(--ab-hair);
}

.page-about .ab-proof__list li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--kg-cream);
  padding: 22px 20px 24px;
}

.page-about .ab-proof__num {
  font-family: var(--ab-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--kg-flesh);
}

.page-about .ab-proof__txt {
  font-size: 15px;
  line-height: 1.7;
  color: var(--kg-peel);
}

@media (min-width: 760px) {
  .page-about .ab-proof__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-about .ab-proof__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 结尾 ---------- */
.page-about .ab-cta__inner {
  border-top: 4px solid var(--kg-flesh);
  padding-top: 30px;
}

.page-about .ab-cta__text {
  margin: 14px 0 0;
  max-width: 46em;
  font-size: 16.5px;
  line-height: 1.85;
}

.page-about .ab-cta .kg-btnrow {
  margin-top: 24px;
}
<<<END>>>