.page-about {
  --about-gap: clamp(18px, 2.6vw, 34px);
  --about-card-pad: clamp(18px, 2.4vw, 28px);
}

/* ---------- 面包屑 ---------- */
.page-about .wb-breadcrumb {
  padding-top: clamp(22px, 3.6vw, 42px);
}

.page-about .wb-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--wb-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--wb-mist);
}

.page-about .wb-breadcrumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--wb-line);
}

.page-about .wb-breadcrumb a {
  color: var(--wb-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--wb-ease), border-color .25s var(--wb-ease);
}

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

.page-about .wb-breadcrumb li[aria-current] {
  color: var(--wb-paper);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-top: clamp(28px, 4vw, 56px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: var(--about-gap);
  align-items: end;
}

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

.page-about .about-hero__title {
  margin: 14px 0 20px;
  font-family: var(--wb-font-display);
  font-weight: 900;
  font-size: clamp(34px, 7vw, 76px);
  line-height: 1.03;
  letter-spacing: -.02em;
  color: var(--wb-paper);
}

.page-about .about-hero__text {
  max-width: 42ch;
  margin: 0 0 26px;
  font-family: var(--wb-font-mono);
  font-size: 15px;
  line-height: 1.85;
  color: var(--wb-mist);
}

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

.page-about .about-hero__board {
  min-width: 0;
  border: var(--wb-hair);
  background: linear-gradient(158deg, rgba(36, 18, 70, .95), rgba(11, 6, 22, .68));
  padding: var(--about-card-pad);
}

.page-about .about-board__caption {
  margin: 0 0 18px;
  font-family: var(--wb-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--wb-cyan);
}

.page-about .about-board__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-board__list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid rgba(58, 36, 104, .7);
}

.page-about .about-board__num {
  font-family: var(--wb-font-display);
  font-weight: 900;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--wb-paper);
  font-variant-numeric: tabular-nums;
}

.page-about .about-board__label {
  font-family: var(--wb-font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--wb-mist);
  text-align: right;
}

.page-about .about-board__foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(58, 36, 104, .7);
  font-family: var(--wb-font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--wb-mist);
}

/* ---------- 通用小标题 ---------- */
.page-about .about-h2 {
  margin: 10px 0 14px;
  font-family: var(--wb-font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.4vw, 48px);
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--wb-paper);
}

.page-about .about-sub {
  max-width: 44ch;
  margin: 0;
  font-family: var(--wb-font-mono);
  font-size: 14px;
  line-height: 1.85;
  color: var(--wb-mist);
}

/* ---------- 时间轴 ---------- */
.page-about .about-history__banner {
  margin-top: clamp(24px, 3.6vw, 46px);
  margin-bottom: clamp(26px, 4vw, 52px);
}

.page-about .about-history__chart {
  margin-top: clamp(26px, 4vw, 52px);
}

.page-about .about-timeline {
  position: relative;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 0;
  width: 1px;
  background: var(--wb-line);
}

.page-about .about-tl {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 24px 0;
  border-top: var(--wb-hair);
}

.page-about .about-tl:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  top: 32px;
  left: -31px;
  width: 10px;
  height: 10px;
  border: 1px solid var(--wb-cyan);
  border-radius: 50%;
  background: var(--wb-night);
}

.page-about .about-tl:first-child::before {
  top: 12px;
}

.page-about .about-tl:last-child::before {
  border-color: var(--wb-magenta);
  background: var(--wb-magenta);
}

.page-about .about-tl__year {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.page-about .about-tl__figure {
  font-family: var(--wb-font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--wb-paper);
  font-variant-numeric: tabular-nums;
}

.page-about .about-tl__stage {
  font-family: var(--wb-font-mono);
  font-size: 11px;
  font-style: normal;
  letter-spacing: .18em;
  color: var(--wb-amber);
}

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

.page-about .about-tl__text {
  margin: 0;
  font-family: var(--wb-font-mono);
  font-size: 14px;
  line-height: 1.85;
  color: var(--wb-paper);
}

.page-about .about-tl__more {
  margin: 10px 0 0;
  font-family: var(--wb-font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--wb-mist);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .35s var(--wb-ease), opacity .35s var(--wb-ease), margin-top .35s var(--wb-ease);
}

.page-about .about-tl:hover .about-tl__more,
.page-about .about-tl:focus-within .about-tl__more {
  max-height: 120px;
  opacity: 1;
}

/* ---------- 编辑部 ---------- */
.page-about .about-desk__grid {
  display: grid;
  gap: var(--about-gap);
  align-items: start;
}

.page-about .about-desk__prose p {
  font-family: var(--wb-font-mono);
  font-size: 15px;
  line-height: 1.85;
  color: var(--wb-paper);
}

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

/* ---------- 团队条形图 ---------- */
.page-about .about-bars {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: var(--wb-hair);
}

.page-about .about-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 16px;
  padding: 18px 0 16px;
  border-top: var(--wb-hair);
}

.page-about .about-bar__name {
  font-family: var(--wb-font-display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--wb-paper);
}

.page-about .about-bar__num {
  font-family: var(--wb-font-mono);
  font-size: 13px;
  color: var(--wb-amber);
  font-variant-numeric: tabular-nums;
}

.page-about .about-bar__track {
  grid-column: 1 / -1;
  display: block;
  height: 8px;
  background: rgba(58, 36, 104, .55);
  overflow: hidden;
}

.page-about .about-bar__fill {
  display: block;
  width: var(--w, 0%);
  height: 100%;
  transform-origin: left center;
  background: linear-gradient(90deg, var(--wb-amber), var(--wb-vermilion));
}

.page-about .about-bar:nth-child(1) .about-bar__fill { --w: 30%; }
.page-about .about-bar:nth-child(2) .about-bar__fill { --w: 25%; }
.page-about .about-bar:nth-child(3) .about-bar__fill { --w: 15%; }
.page-about .about-bar:nth-child(4) .about-bar__fill { --w: 11.7%; }
.page-about .about-bar:nth-child(5) .about-bar__fill { --w: 10%; }
.page-about .about-bar:nth-child(6) .about-bar__fill { --w: 8.3%; }

@keyframes about-bar-grow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@media (prefers-reduced-motion: no-preference) {
  .page-about [data-reveal].is-in .about-bar__fill {
    animation: about-bar-grow .9s var(--wb-ease) both;
  }
}

.page-about .about-team__note {
  max-width: 46ch;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--wb-cyan);
  font-family: var(--wb-font-mono);
  font-size: 13px;
  line-height: 1.85;
  color: var(--wb-mist);
}

/* ---------- 合作生态 ---------- */
.page-about .about-eco__grid {
  display: grid;
  gap: var(--about-gap);
  align-items: center;
}

.page-about .about-rings__svg {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
  margin: 0 auto;
}

.page-about .about-rings__core {
  font-family: var(--wb-font-display);
  font-size: 26px;
  font-weight: 900;
  letter-spacing: .04em;
  fill: var(--wb-paper);
}

.page-about .about-rings__corelabel {
  font-family: var(--wb-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  fill: var(--wb-mist);
}

.page-about .about-ring {
  transition: opacity .3s var(--wb-ease);
}

.page-about .about-rings__svg:hover .about-ring {
  opacity: .3;
}

.page-about .about-rings__svg .about-ring:hover {
  opacity: 1;
}

.page-about .about-eco__legend {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-eco__legend li {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding-bottom: 20px;
  border-bottom: var(--wb-hair);
}

.page-about .about-eco__dot {
  display: block;
  width: 12px;
  height: 12px;
  margin-top: 5px;
  border-radius: 50%;
}

.page-about .about-eco__dot--outer {
  background: var(--wb-cyan);
}

.page-about .about-eco__dot--inner {
  background: var(--wb-amber);
}

.page-about .about-eco__strong {
  margin: 0 0 6px;
  font-family: var(--wb-font-display);
  font-weight: 800;
  font-size: 16px;
  color: var(--wb-paper);
}

.page-about .about-eco__text {
  margin: 0;
  font-family: var(--wb-font-mono);
  font-size: 13px;
  line-height: 1.85;
  color: var(--wb-mist);
}

.page-about .about-eco__honor {
  margin-top: 24px;
  border: 1px solid rgba(255, 162, 58, .55);
  padding: 18px 20px;
}

.page-about .about-eco__honorlabel {
  margin: 0 0 8px;
  font-family: var(--wb-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--wb-amber);
}

.page-about .about-eco__honortext {
  margin: 0;
  font-family: var(--wb-font-mono);
  font-size: 13px;
  line-height: 1.85;
  color: var(--wb-paper);
}

/* ---------- 资质与承诺 ---------- */
.page-about .about-cred__grid {
  display: grid;
  gap: var(--about-gap);
  align-items: start;
}

.page-about .about-cred__seal {
  border: 2px solid var(--wb-vermilion);
  padding: 22px 20px;
  background: rgba(232, 69, 44, .06);
}

.page-about .about-seal__label {
  margin: 0 0 10px;
  font-family: var(--wb-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--wb-vermilion);
}

.page-about .about-seal__value {
  margin: 0 0 12px;
  font-family: var(--wb-font-mono);
  font-weight: 700;
  font-size: clamp(15px, 2.2vw, 20px);
  letter-spacing: .04em;
  color: var(--wb-paper);
  word-break: break-all;
}

.page-about .about-seal__note {
  margin: 0;
  font-family: var(--wb-font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--wb-mist);
}

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

.page-about .about-cred__list li {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 18px 0;
  border-top: var(--wb-hair);
}

.page-about .about-cred__list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-cred__k {
  font-family: var(--wb-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--wb-cyan);
}

.page-about .about-cred__list p {
  margin: 0;
  font-family: var(--wb-font-mono);
  font-size: 14px;
  line-height: 1.85;
  color: var(--wb-paper);
}

.page-about .about-cred__contact {
  display: grid;
  gap: 20px;
  align-items: start;
  margin-top: clamp(26px, 4vw, 46px);
  padding: var(--about-card-pad);
  border: var(--wb-hair);
  background: linear-gradient(150deg, rgba(36, 18, 70, .9), rgba(11, 6, 22, .6));
}

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

.page-about .about-cred__dl div {
  display: grid;
  gap: 4px;
}

.page-about .about-cred__dl dt {
  font-family: var(--wb-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--wb-mist);
}

.page-about .about-cred__dl dd {
  margin: 0;
  font-family: var(--wb-font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--wb-paper);
  word-break: break-word;
}

.page-about .about-cred__more {
  max-width: 52ch;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  font-family: var(--wb-font-mono);
  font-size: 13px;
  line-height: 1.85;
  color: var(--wb-mist);
}

.page-about .about-cred__more a {
  color: var(--wb-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(33, 230, 193, .4);
  transition: border-color .25s var(--wb-ease), color .25s var(--wb-ease);
}

.page-about .about-cred__more a:hover,
.page-about .about-cred__more a:focus-visible {
  color: var(--wb-magenta);
  border-bottom-color: var(--wb-magenta);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-about .about-cred__contact {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

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

  .page-about .about-cred__dl div:last-child {
    grid-column: 1 / -1;
  }

  .page-about .about-eco__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr);
  }

  .page-about .about-desk__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .8fr);
  }

  .page-about .about-cred__grid {
    grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr);
  }
}

@media (min-width: 920px) {
  .page-about .about-timeline {
    padding-left: 0;
  }

  .page-about .about-timeline::before {
    left: 50%;
  }

  .page-about .about-tl {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0;
    padding: 0;
  }

  .page-about .about-tl:first-child {
    padding-top: 0;
  }

  .page-about .about-tl__year {
    grid-column: 1;
    justify-content: flex-end;
    text-align: right;
    padding: 34px 46px 34px 0;
    border-top: var(--wb-hair);
  }

  .page-about .about-tl__body {
    grid-column: 2;
    padding: 34px 0 34px 46px;
    border-top: var(--wb-hair);
  }

  .page-about .about-tl:first-child .about-tl__year,
  .page-about .about-tl:first-child .about-tl__body {
    border-top: 0;
    padding-top: 8px;
  }

  .page-about .about-tl:nth-child(even) .about-tl__year {
    grid-column: 2;
    justify-content: flex-start;
    text-align: left;
    padding: 34px 0 34px 46px;
  }

  .page-about .about-tl:nth-child(even) .about-tl__body {
    grid-column: 1;
    grid-row: 1;
    padding: 34px 46px 34px 0;
    text-align: right;
  }

  .page-about .about-tl:nth-child(even) .about-tl__more {
    margin-left: auto;
  }

  .page-about .about-tl::before {
    left: calc(50% - 5px);
    top: 38px;
  }

  .page-about .about-tl:first-child::before {
    top: 12px;
  }
}
<<<END>>>