.page-about {
  --about-ink: var(--ink);
  --about-line-strong: rgba(138,145,139,.42);
  background: var(--ink);
  color: var(--cool);
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumb-wrap {
  padding-top: clamp(20px, 4vw, 34px);
  padding-bottom: 6px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: 0 var(--gutter) clamp(28px, 5vw, 56px);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -10%;
  right: -12%;
  width: 62%;
  height: 120%;
  background: linear-gradient(150deg, var(--board) 0%, transparent 62%);
  transform: skewX(-9deg);
  pointer-events: none;
}

.page-about .about-hero__grid {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  align-items: start;
  padding-top: clamp(22px, 4vw, 44px);
}

.page-about .about-hero__mark {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero__mark-ho {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  letter-spacing: .06em;
  color: var(--mint);
  line-height: 1;
}

.page-about .about-hero__mark-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--mint), transparent);
}

.page-about .about-hero__mark-year {
  font-family: var(--font-num);
  font-size: var(--fs-small);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--lemon);
}

.page-about .about-hero__body h1 {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2rem, 6.4vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -.01em;
  margin: .5em 0 .5em;
  color: var(--cream);
  max-width: 18ch;
}

.page-about .about-hero__lead {
  font-size: var(--fs-body);
  line-height: 1.85;
  color: rgba(232,245,238,.8);
  max-width: 58ch;
  margin: 0 0 clamp(18px, 3vw, 26px);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(22px, 4vw, 34px);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-hero__stats .stat {
  background: var(--board);
  padding: 14px 12px;
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
}

.page-about .about-num {
  font-family: var(--font-num);
  font-weight: 700;
  letter-spacing: .02em;
}

.page-about .about-hero__stats .stat__value {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  color: var(--lemon);
  line-height: 1;
}

.page-about .about-hero__stats .stat__label {
  font-size: var(--fs-micro);
  letter-spacing: .1em;
  color: var(--stone);
  text-transform: uppercase;
}

.page-about .about-hero__aside {
  border-left: 3px solid var(--ember);
  padding: 12px 0 12px 16px;
  background: linear-gradient(90deg, rgba(198,90,46,.1), transparent 70%);
}

.page-about .about-hero__aside-text {
  margin: 10px 0 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: rgba(232,245,238,.75);
}

.page-about .about-hero__pic {
  position: relative;
  max-width: var(--shell);
  margin: clamp(22px, 4vw, 40px) auto 0;
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-about .about-hero__pic img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.9) contrast(1.05);
}

/* ---------- 区块公共头 ---------- */
.page-about .about-head {
  align-items: flex-end;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.page-about .about-head__note {
  max-width: 48ch;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--stone);
}

/* ---------- 时间轴 ---------- */
.page-about .about-timeline {
  background: linear-gradient(180deg, var(--ink) 0%, var(--board) 100%);
}

.page-about .about-tl {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0 0 0 26px;
  position: relative;
  display: grid;
  gap: clamp(16px, 3vw, 26px);
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--mint), var(--moss) 60%, transparent);
}

.page-about .about-tl__item {
  position: relative;
  display: grid;
  gap: 8px;
}

.page-about .about-tl__node {
  position: absolute;
  left: -26px;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--ink);
  border: 2px solid var(--mint);
  transform: rotate(45deg);
}

.page-about .about-tl__item:last-child .about-tl__node {
  border-color: var(--lemon);
  background: var(--lemon);
}

.page-about .about-tl__year {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--lemon);
}

.page-about .about-tl__card {
  transition: transform .25s ease, border-color .25s ease;
}

.page-about .about-tl__card:hover {
  transform: translateX(4px);
  border-color: var(--line-mint);
}

.page-about .about-tl__card .panel__body p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: rgba(232,245,238,.8);
}

.page-about .about-tl__figure {
  margin: clamp(26px, 4vw, 42px) 0 0;
}

.page-about .about-tl__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .78;
}

/* ---------- 能力矩阵 ---------- */
.page-about .about-cap--board {
  background: var(--board);
}

.page-about .about-filter {
  margin: clamp(20px, 3vw, 28px) 0 clamp(18px, 3vw, 24px);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-bento .about-bento__cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .about-bento .panel__body p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: rgba(232,245,238,.8);
}

.page-about .about-bento__cell--wide .panel__body p {
  font-size: var(--fs-body);
  color: rgba(232,245,238,.88);
}

.page-about .about-filter__empty {
  margin: 16px 0 0;
  font-size: var(--fs-small);
  color: var(--clay);
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  background: var(--ink);
}

.page-about .about-team__controls {
  margin: clamp(20px, 3vw, 28px) 0 clamp(18px, 3vw, 24px);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-team__card .panel__title {
  font-size: var(--fs-h3);
  color: var(--teal);
  margin: 0 0 8px;
}

.page-about .about-team__card .panel__body p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: rgba(11,15,14,.72);
}

/* ---------- 服务准则 ---------- */
.page-about .about-stand {
  background: linear-gradient(180deg, var(--ink) 0%, var(--teal) 100%);
}

.page-about .about-stand__grid {
  margin-top: clamp(22px, 3.5vw, 34px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-stand__item {
  background: var(--ink);
  padding: clamp(18px, 3vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  transition: background .25s ease;
}

.page-about .about-stand__item:hover {
  background: var(--board);
}

.page-about .about-stand__idx {
  font-size: var(--fs-small);
  letter-spacing: .22em;
  color: var(--mint);
}

.page-about .about-stand__item h3 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: var(--fs-h3);
  color: var(--cream);
}

.page-about .about-stand__item p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.85;
  color: rgba(232,245,238,.72);
}

/* ---------- 合作生态 ---------- */
.page-about .about-eco {
  background: var(--board);
}

.page-about .about-eco__grid {
  margin-top: clamp(22px, 3.5vw, 34px);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-about .about-eco__main .panel__body p {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: rgba(232,245,238,.84);
}

.page-about .about-eco__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.page-about .about-badge {
  font-size: var(--fs-micro);
  letter-spacing: .04em;
  padding: 6px 10px;
  border: 1px solid var(--line-mint);
  color: var(--mint);
  background: rgba(53,242,184,.06);
  cursor: default;
  transition: background .2s ease, color .2s ease;
}

.page-about .about-badge:hover {
  background: rgba(53,242,184,.16);
  color: var(--lemon);
}

.page-about .about-eco__side {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  align-content: start;
}

.page-about .about-eco__stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
}

.page-about .about-eco__stat-value {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1;
  color: var(--lemon);
}

.page-about .about-eco__stat-label {
  font-size: var(--fs-micro);
  line-height: 1.6;
  color: rgba(232,245,238,.7);
}

/* ---------- 联系与备案 ---------- */
.page-about .about-contact {
  background: var(--ink);
}

.page-about .about-contact__grid {
  margin-top: clamp(22px, 3.5vw, 34px);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  align-items: stretch;
}

.page-about .about-contact__pic img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .8;
}

.page-about .about-contact__body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-about .about-contact__list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-contact__list > div {
  display: grid;
  gap: 3px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-contact__list .contact-label {
  font-size: var(--fs-micro);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-about .about-contact__list .contact-value {
  margin: 0;
  font-size: var(--fs-body);
  color: var(--cream);
  word-break: break-word;
}

.page-about .about-contact__note {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: rgba(232,245,238,.68);
}

.page-about .about-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-contact__icp {
  margin: 0;
  font-size: var(--fs-micro);
  letter-spacing: .08em;
  color: var(--stone);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 40px);
  }
  .page-about .about-hero__mark {
    grid-column: 1 / -1;
  }
  .page-about .about-hero__pic {
    margin-top: clamp(28px, 4vw, 48px);
  }
  .page-about .about-stand__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .about-contact__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
  }
  .page-about .about-hero__body h1 {
    max-width: 20ch;
  }
  .page-about .about-tl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 32px) clamp(24px, 3.5vw, 48px);
  }
  .page-about .about-tl__figure {
    margin-top: clamp(30px, 4vw, 48px);
  }
  .page-about .about-stand__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .about-eco__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }
  .page-about .about-eco__side {
    grid-template-columns: 1fr;
  }
  .page-about .about-eco__stat {
    flex-direction: row;
    align-items: baseline;
    gap: 12px;
    padding: 14px 18px;
  }
  .page-about .about-bento .about-bento__cell {
    min-height: 180px;
  }
}
<<<END>>>