.page-about {
  --about-hair: rgba(217, 169, 74, .3);
  --about-hair-soft: rgba(217, 169, 74, .16);
  --about-rail: 4.75rem;
}

.page-about .about-hero {
  padding-block: clamp(1rem, 3vw, 1.75rem) 0;
}

.page-about .about-hero__frame {
  position: relative;
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  padding: clamp(1.25rem, 3.5vw, 2.75rem);
  border: 1px solid var(--about-hair);
  outline: 1px dashed var(--about-hair-soft);
  outline-offset: -10px;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(140, 75, 255, .18), transparent 60%),
    radial-gradient(90% 80% at 100% 100%, rgba(53, 199, 232, .14), transparent 62%),
    linear-gradient(165deg, #17141F, #0A0910 70%);
}

.page-about .about-hero__stamp {
  position: absolute;
  top: clamp(.9rem, 2.5vw, 1.6rem);
  left: clamp(.9rem, 2.5vw, 1.6rem);
  z-index: 2;
}

.page-about .about-hero__note {
  display: none;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 1.5rem;
}

.page-about .about-hero__body {
  padding-top: 2rem;
}

.page-about .about-hero__body h1 {
  font-size: clamp(1.85rem, 5.4vw, 3.3rem);
  line-height: 1.18;
  letter-spacing: -.02em;
  margin: .9rem 0 1rem;
  text-shadow: 0 0 22px rgba(217, 169, 74, .28);
}

.page-about .about-hero__stats {
  display: grid;
  gap: .7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero__stat {
  display: flex;
  align-items: baseline;
  gap: .85rem;
  padding-bottom: .6rem;
  border-bottom: 1px dashed var(--about-hair-soft);
}

.page-about .about-hero__stat-num {
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 4vw, 1.85rem);
  line-height: 1;
  color: var(--gold);
  text-shadow: var(--glow-gold);
  min-width: 3.6em;
}

.page-about .about-hero__stat-label {
  color: var(--body-on-ink);
  font-size: .92rem;
  line-height: 1.6;
}

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

.page-about .about-hero__media img {
  border-radius: 0;
}

/* ---------- 时间轴 ---------- */

.page-about .about-timeline__head {
  display: grid;
  gap: 1rem;
}

.page-about .about-timeline__intro {
  color: var(--muted);
  font-size: .98rem;
  line-height: 1.85;
  max-width: 40rem;
  margin: 0;
}

.page-about .about-timeline__filters {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: clamp(1.25rem, 3vw, 2rem) 0 clamp(1.5rem, 4vw, 2.5rem);
}

.page-about .about-timeline__track {
  position: relative;
  display: grid;
  gap: 1.75rem;
}

.page-about .about-node {
  display: grid;
  grid-template-columns: 1fr;
  gap: .55rem;
}

.page-about .about-node__rail {
  display: flex;
  align-items: center;
  gap: .6rem;
}

.page-about .about-node__year {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-about .about-node__year--now {
  font-family: var(--font-sans);
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-about .about-node__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 12px rgba(255, 122, 61, .9);
}

.page-about .about-node__body {
  border: 1px solid rgba(183, 175, 192, .16);
  background: linear-gradient(150deg, rgba(31, 27, 42, .72), rgba(23, 20, 31, .5));
  padding: 1.1rem 1.15rem 1.25rem;
  transition: border-color .24s var(--ease), box-shadow .24s var(--ease);
}

.page-about .about-node__body:hover {
  border-color: rgba(255, 122, 61, .5);
  box-shadow: 0 0 0 1px rgba(255, 122, 61, .18), 0 18px 32px -24px rgba(0, 0, 0, .9);
}

.page-about .about-node__kicker {
  margin: 0 0 .4rem;
  font-family: var(--font-serif);
  font-size: .82rem;
  letter-spacing: .3em;
  color: var(--red);
  filter: brightness(2.1);
}

.page-about .about-node__title {
  margin: 0 0 .55rem;
  font-size: 1.08rem;
  line-height: 1.45;
  color: var(--paper);
}

.page-about .about-node__body p {
  margin: 0;
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.85;
}

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

/* ---------- 团队 ---------- */

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

.page-about .about-team__texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .1;
  pointer-events: none;
  z-index: 0;
}

.page-about .about-team__head,
.page-about .about-team__grid {
  position: relative;
  z-index: 1;
}

.page-about .about-team__lede {
  color: var(--muted);
  margin: 1rem 0 0;
}

.page-about .about-team__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-about .about-team__chart {
  position: relative;
  display: grid;
  justify-items: center;
  gap: .9rem;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border: 1px solid var(--about-hair-soft);
  background: rgba(23, 20, 31, .62);
}

.page-about .about-team__ring {
  width: min(100%, 230px);
  height: auto;
  filter: drop-shadow(0 0 16px rgba(140, 75, 255, .28));
}

.page-about .about-team__total {
  display: flex;
  align-items: baseline;
  gap: .45rem;
  margin: 0;
  color: var(--paper);
  font-size: .95rem;
}

.page-about .about-team__total .num {
  font-family: var(--font-mono);
  font-size: 2.1rem;
  color: var(--gold);
}

.page-about .about-team__legend {
  display: grid;
  gap: .45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  width: 100%;
}

.page-about .about-team__key {
  display: flex;
  align-items: center;
  gap: .55rem;
  color: var(--muted);
  font-size: .88rem;
}

.page-about .about-team__dot {
  width: 9px;
  height: 9px;
  border-radius: 2px;
  flex: none;
}

.page-about .about-team__dot--gold { background: var(--gold); }
.page-about .about-team__dot--cyan { background: var(--cyan); }
.page-about .about-team__dot--violet { background: var(--violet); }

.page-about .about-team__folds {
  display: grid;
  gap: .75rem;
  align-content: start;
}

.page-about .about-team__folds .fold {
  background: rgba(31, 27, 42, .55);
  border: 1px solid rgba(183, 175, 192, .16);
  border-left: 2px solid var(--about-hair);
}

/* ---------- 工序 ---------- */

.page-about .about-craft__paper {
  position: relative;
  padding: clamp(1.5rem, 4vw, 3rem);
  box-shadow: 0 26px 44px -30px rgba(0, 0, 0, .95), 0 6px 0 -2px var(--paper-2);
}

.page-about .about-craft__head {
  max-width: 42rem;
}

.page-about .about-craft__title {
  color: var(--ink);
  margin-top: .6rem;
}

.page-about .about-craft__lede {
  color: var(--ink-text);
  font-size: .98rem;
  line-height: 1.85;
  margin: .9rem 0 0;
}

.page-about .about-craft__steps {
  display: grid;
  gap: 1.5rem;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: craft;
}

.page-about .about-step {
  padding-top: 1.1rem;
  border-top: 1px solid rgba(46, 42, 54, .24);
}

.page-about .about-step__num {
  margin: 0 0 .5rem;
  font-family: var(--font-serif);
  font-size: .84rem;
  letter-spacing: .22em;
  color: var(--red);
}

.page-about .about-step__title {
  margin: 0 0 .5rem;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--ink);
}

.page-about .about-step p:last-child {
  margin: 0;
  color: var(--ink-text);
  font-size: .93rem;
  line-height: 1.85;
}

.page-about .about-craft__stats {
  display: grid;
  gap: 1rem;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding-top: 1.4rem;
  border-top: 2px solid rgba(46, 42, 54, .2);
}

.page-about .about-craft__stat dt {
  font-size: .8rem;
  letter-spacing: .12em;
  color: rgba(46, 42, 54, .68);
}

.page-about .about-craft__stat dd {
  margin: .35rem 0 0;
  font-size: .95rem;
  color: var(--ink-text);
}

.page-about .about-craft__stat .num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  color: var(--red);
}

/* ---------- 读者 ---------- */

.page-about .about-reach__head {
  display: grid;
  gap: 1rem;
}

.page-about .about-reach__intro {
  margin: 0;
  color: var(--muted);
  font-size: .97rem;
  line-height: 1.85;
  max-width: 38rem;
}

.page-about .about-reach__band {
  display: grid;
  gap: 1.25rem;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  padding-block: clamp(1.25rem, 3vw, 1.9rem);
  border-top: 1px solid var(--about-hair);
  border-bottom: 1px solid var(--about-hair);
}

.page-about .about-reach__cell {
  padding-left: 1rem;
  border-left: 2px solid rgba(140, 75, 255, .45);
}

.page-about .about-reach__cell--wide {
  border-left-color: var(--orange);
}

.page-about .about-reach__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  line-height: 1.05;
  color: var(--paper);
}

.page-about .about-reach__cell--wide .about-reach__num {
  color: var(--gold);
  text-shadow: var(--glow-gold);
}

.page-about .about-reach__unit {
  font-size: .5em;
  color: var(--muted);
  margin-left: .15em;
}

.page-about .about-reach__label {
  margin: .45rem 0 0;
  color: var(--body-on-ink);
  font-size: .9rem;
  line-height: 1.65;
}

.page-about .about-reach__note {
  margin: .6rem 0 0;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.8;
}

/* ---------- 合作 ---------- */

.page-about .about-partners__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-about .about-partners__lede {
  margin: 1rem 0 1.5rem;
  color: var(--muted);
  font-size: .97rem;
  line-height: 1.85;
  max-width: 34rem;
}

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

.page-about .about-partners__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: clamp(1rem, 2.6vw, 1.35rem);
  border: 1px solid rgba(183, 175, 192, .16);
  background: linear-gradient(120deg, rgba(23, 20, 31, .85), rgba(10, 9, 16, .6));
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-about .about-partners__item:hover {
  border-color: rgba(53, 199, 232, .5);
  transform: translateY(-2px);
}

.page-about .about-partners__num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--cyan);
  line-height: 1;
}

.page-about .about-partners__title {
  margin: 0 0 .4rem;
  font-size: 1rem;
  color: var(--paper);
}

.page-about .about-partners__item p {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.8;
}

/* ---------- 分流 ---------- */

.page-about .about-next__list {
  display: grid;
  gap: .6rem;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-next__link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem clamp(.9rem, 3vw, 1.5rem);
  border-top: 1px solid rgba(183, 175, 192, .18);
  color: var(--body-on-ink);
  text-decoration: none;
  transition: background-color .24s var(--ease), border-color .24s var(--ease), padding-left .24s var(--ease);
}

.page-about .about-next__link:hover {
  background: linear-gradient(90deg, rgba(217, 169, 74, .12), transparent 70%);
  border-top-color: var(--orange);
  padding-left: clamp(1.1rem, 3.6vw, 1.9rem);
}

.page-about .about-next__idx {
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--gold);
  letter-spacing: .1em;
}

.page-about .about-next__text {
  display: grid;
  gap: .3rem;
}

.page-about .about-next__label {
  font-size: 1.02rem;
  font-weight: 600;
}

.page-about .about-next__desc {
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.7;
}

.page-about .about-next__arrow {
  color: var(--orange);
  font-size: 1.1rem;
  transition: transform .24s var(--ease);
}

.page-about .about-next__link:hover .about-next__arrow {
  transform: translateX(4px);
}

/* ---------- 断点 ---------- */

@media (min-width: 700px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 2.25rem;
    align-items: end;
  }

  .page-about .about-hero__body {
    padding-top: 2.6rem;
  }

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

  .page-about .about-craft__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-reach__band {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 1.5rem;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__note {
    display: block;
    position: absolute;
    top: clamp(1.1rem, 2.6vw, 1.9rem);
    right: clamp(1.1rem, 2.6vw, 1.9rem);
    z-index: 2;
    font-size: .72rem;
  }

  .page-about .about-timeline__head,
  .page-about .about-reach__head {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: end;
    gap: 2.5rem;
  }

  .page-about .about-timeline__track::before {
    content: "";
    position: absolute;
    left: calc(var(--about-rail) / 2 - 1px);
    top: .6rem;
    bottom: .6rem;
    width: 2px;
    background: linear-gradient(180deg, var(--gold), var(--violet) 55%, var(--cyan));
    opacity: .4;
  }

  .page-about .about-node {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: 0;
  }

  .page-about .about-node__rail {
    flex-direction: column;
    align-items: center;
    gap: .7rem;
    padding-top: .5rem;
  }

  .page-about .about-node__year {
    writing-mode: vertical-rl;
    font-size: 1.3rem;
    letter-spacing: .34em;
  }

  .page-about .about-node__body {
    margin-left: 1.5rem;
    padding: 1.3rem 1.6rem 1.5rem;
  }

  .page-about .about-timeline__figure {
    margin-left: var(--about-rail);
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-about .about-craft__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-partners__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-about .about-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 2rem;
  }
}
<<<PAGE_CSS_END>>>