/* ============ 品牌文化 / page-about ============ */
.page-about {
  --about-index-w: 168px;
  --about-hair: rgba(11, 18, 16, .12);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(22px, 4vw, 40px) clamp(56px, 9vw, 104px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: -34% -14% 34% 38%;
  background:
    radial-gradient(52% 62% at 34% 32%, rgba(18, 169, 87, .42), transparent 70%),
    radial-gradient(46% 56% at 74% 70%, rgba(46, 125, 247, .30), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

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

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  margin-top: clamp(20px, 4vw, 40px);
}

.page-about .about-hero__media {
  margin: 0;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
}

.page-about .about-hero__title {
  font-size: clamp(38px, 7.4vw, 92px);
  line-height: .98;
  letter-spacing: -.032em;
  margin: .3em 0 .38em;
}

.page-about .about-hero__lede {
  color: var(--on-dark);
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, .96fr) minmax(0, 1.04fr);
    align-items: end;
  }
}

/* ---------- 01 为什么做这件事 ---------- */
.page-about .about-why {
  padding-block: clamp(52px, 8vw, 108px);
}

.page-about .about-why__grid,
.page-about .about-team__head + .about-team__grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

.page-about .about-why__index {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--about-hair);
}

.page-about .about-why__aside {
  margin: 0;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ink-50);
}

.page-about .about-why__body .h-section {
  margin: 0 0 .5em;
  line-height: 1.22;
}

.page-about .about-why__list {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-about .about-point {
  padding: clamp(18px, 2.4vw, 26px) clamp(18px, 2.6vw, 30px);
  border: 1px solid var(--about-hair);
  border-left: 3px solid var(--grass);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, rgba(255, 255, 255, .82), rgba(244, 247, 242, .5));
  box-shadow: var(--shadow-card);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-about .about-point:hover {
  transform: translateY(-3px);
  border-left-color: var(--lamp);
}

.page-about .about-point__time {
  margin: 0 0 .5em;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--grass);
}

.page-about .about-point__title {
  margin: 0 0 .45em;
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -.01em;
}

.page-about .about-point__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-70);
}

@media (min-width: 880px) {
  .page-about .about-why__grid {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-about .about-why__index {
    display: block;
    border-bottom: none;
    border-left: 1px solid var(--about-hair);
    padding: 0 0 0 18px;
    position: sticky;
    top: 128px;
    align-self: start;
  }

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

/* ---------- 02 时间轴 ---------- */
.page-about .about-path {
  padding-block: clamp(56px, 9vw, 116px);
}

.page-about .about-path__head {
  max-width: 680px;
}

.page-about .about-path__head .h-section {
  margin: 0 0 .45em;
}

.page-about .about-path__grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(28px, 5vw, 56px);
}

.page-about .about-path__index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-about .about-path__index-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--on-dark-dim);
  text-decoration: none;
  white-space: nowrap;
  transition: color .25s var(--ease), border-color .25s var(--ease), background-color .25s var(--ease);
}

.page-about .about-path__index-link .num {
  color: var(--lamp);
  font-size: 13px;
}

.page-about .about-path__index-link:hover,
.page-about .about-path__index-link:focus-visible {
  color: var(--leaf);
  border-color: var(--hair-dark);
  background: rgba(111, 227, 160, .07);
}

.page-about .about-path__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hair-dark);
}

.page-about .about-path__item {
  display: grid;
  gap: 10px 24px;
  padding: clamp(24px, 4vw, 42px) 0;
  border-bottom: 1px solid var(--hair-dark);
  scroll-margin-top: 140px;
  transition: background-color .3s var(--ease);
}

.page-about .about-path__item:hover {
  background: rgba(111, 227, 160, .04);
}

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

.page-about .about-path__year {
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1;
  color: var(--lamp);
  letter-spacing: -.02em;
}

.page-about .about-path__phase {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--on-dark-dim);
}

.page-about .about-path__body p {
  margin: 0;
  max-width: 640px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--on-dark);
}

@media (min-width: 900px) {
  .page-about .about-path__grid {
    grid-template-columns: var(--about-index-w) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 76px);
  }

  .page-about .about-path__index {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: 126px;
    align-self: start;
  }

  .page-about .about-path__item {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    align-items: start;
    padding-inline: 12px;
  }

  .page-about .about-path__stamp {
    flex-direction: column;
    gap: 6px;
  }
}

/* ---------- 03 团队 ---------- */
.page-about .about-team {
  padding-block: clamp(52px, 8vw, 108px);
}

.page-about .about-team__head {
  max-width: 680px;
}

.page-about .about-team__head .h-section {
  margin: 0 0 .45em;
}

.page-about .about-team__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(28px, 5vw, 52px);
}

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

.page-about .about-role {
  padding: 20px 22px 22px;
  border: 1px solid var(--about-hair);
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, .74);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-about .about-role:hover {
  border-color: rgba(18, 169, 87, .4);
  transform: translateY(-2px);
}

.page-about .about-role__tag {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--data);
}

.page-about .about-role__title {
  margin: 0 0 .4em;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.page-about .about-role__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-70);
}

.page-about .about-team__media {
  margin: 0;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-card);
}

@media (min-width: 560px) {
  .page-about .about-team__roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.14fr) minmax(0, .86fr);
    align-items: start;
  }
}

/* ---------- 04 数据与内容 ---------- */
.page-about .about-data {
  padding-block: clamp(56px, 9vw, 116px);
}

.page-about .about-data__grid {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  align-items: center;
}

.page-about .about-data__copy .h-section {
  margin: 0 0 .45em;
}

.page-about .about-data__list {
  list-style: none;
  margin: clamp(24px, 3.5vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--hair-dark);
}

.page-about .about-data__item {
  display: grid;
  gap: 6px 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hair-dark);
}

.page-about .about-data__key {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-about .about-data__val {
  font-size: 15px;
  line-height: 1.72;
  color: var(--on-dark);
}

.page-about .about-data__media {
  margin: 0;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
}

@media (min-width: 640px) {
  .page-about .about-data__item {
    grid-template-columns: 84px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 940px) {
  .page-about .about-data__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: clamp(40px, 6vw, 88px);
  }
}

/* ---------- 05 合作生态 ---------- */
.page-about .about-partners {
  padding-block: clamp(52px, 8vw, 108px);
}

.page-about .about-partners__head {
  max-width: 620px;
}

.page-about .about-partners__head .h-section {
  margin: 0 0 .45em;
}

.page-about .about-partners__grid {
  display: grid;
  gap: clamp(16px, 2.6vw, 24px);
  margin-top: clamp(28px, 5vw, 52px);
}

.page-about .about-partner {
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--about-hair);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, rgba(255, 255, 255, .86), rgba(244, 247, 242, .46));
  box-shadow: var(--shadow-card);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-about .about-partner:hover {
  border-color: rgba(46, 125, 247, .42);
  transform: translateY(-3px);
}

.page-about .about-partner__tag {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--grass);
}

.page-about .about-partner__title {
  margin: 0 0 .5em;
  font-size: clamp(18px, 2.3vw, 21px);
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
}

.page-about .about-partner__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-70);
}

.page-about .about-partner__meta {
  margin: auto 0 0;
  padding-top: 18px;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--ink-50);
  border-top: 1px solid var(--about-hair);
}

@media (min-width: 760px) {
  .page-about .about-partners__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 06 认可 ---------- */
.page-about .about-honor {
  padding-block: clamp(52px, 8vw, 108px);
}

.page-about .about-honor__head {
  max-width: 620px;
}

.page-about .about-honor__head .h-section {
  margin: 0 0 .45em;
}

.page-about .about-honor__scroll {
  margin-top: clamp(24px, 4vw, 44px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-honor__table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
}

.page-about .about-honor__caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 12px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink-50);
}

.page-about .about-honor__table th {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-50);
  border-bottom: 1px solid var(--about-hair);
}

.page-about .about-honor__table td {
  padding: 18px 14px;
  vertical-align: top;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-70);
  border-bottom: 1px solid var(--about-hair);
}

.page-about .about-honor__table td.num {
  color: var(--ink);
  font-size: 14px;
  white-space: nowrap;
  letter-spacing: -.01em;
}

.page-about .about-honor__table tbody tr:hover td {
  background: rgba(18, 169, 87, .05);
}

/* ---------- 下一步 ---------- */
.page-about .about-next {
  padding-block: clamp(52px, 8vw, 100px);
}

.page-about .about-next__inner {
  display: grid;
  gap: clamp(24px, 3.6vw, 48px);
  align-items: center;
}

.page-about .about-next__copy {
  max-width: 620px;
}

.page-about .about-next__copy .h-section {
  margin: 0 0 .45em;
  font-size: clamp(24px, 3.6vw, 34px);
}

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

.page-about .about-next__btn {
  color: var(--paper);
  border-color: rgba(244, 247, 242, .28);
}

.page-about .about-next__btn:hover,
.page-about .about-next__btn:focus-visible {
  color: var(--leaf);
  border-color: var(--leaf);
}

@media (min-width: 860px) {
  .page-about .about-next__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: clamp(32px, 5vw, 72px);
  }

  .page-about .about-next__actions {
    flex-direction: column;
    align-items: stretch;
    min-width: 220px;
  }

  .page-about .about-next__actions .btn {
    justify-content: center;
  }
}
<<<END>>>