.page-about {
  --about-pad: 20px;
  --about-max: 1120px;
  --about-card: #16233d;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  padding-bottom: 8px;
}

.page-about *,
.page-about *::before,
.page-about *::after {
  box-sizing: border-box;
}

.page-about a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 255, 62, 0.45);
}

.page-about a:hover,
.page-about a:focus-visible {
  color: var(--ink);
  background: var(--lime);
  border-bottom-color: var(--lime);
}

.page-about .about-wrap {
  max-width: var(--about-max);
  margin: 0 auto;
  padding: 0 var(--about-pad);
}

.page-about .about-crumbs {
  padding: 18px var(--about-pad) 0;
  max-width: var(--about-max);
  margin: 0 auto;
  font-size: 13px;
}

.page-about .about-crumbs a {
  color: var(--mist);
  border-bottom: 0;
}

.page-about .about-crumbs a:hover {
  color: var(--ink);
}

.page-about .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--electric);
  margin: 0 0 10px;
}

.page-about .about-h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 4.6vw, 2.7rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--paper);
}

.page-about .about-h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  margin: 0 0 14px;
  color: var(--lime);
}

.page-about .about-lead {
  margin: 0;
  max-width: 620px;
  color: var(--mist);
  font-size: 15px;
}

.page-about .section-head {
  margin-bottom: 28px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(216, 255, 62, 0.16), transparent 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--about-max);
  margin: 0 auto;
  padding: 26px var(--about-pad) 42px;
}

.page-about .about-hero__file {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
  border: 1px solid var(--line);
  padding: 5px 12px;
  margin: 0 0 22px;
}

.page-about .about-hero__file span:first-child {
  color: var(--lime);
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 7vw, 4.1rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 22px;
  color: var(--paper);
}

.page-about .about-hero__line {
  display: inline-block;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.page-about .about-hero__line--mark {
  background: var(--lime);
  color: var(--ink);
  padding: 0 0.16em 0.08em;
  margin-top: 8px;
  transform: rotate(-1.4deg);
  clip-path: polygon(0 4%, 100% 0, 100% 94%, 0 100%);
}

.page-about .about-hero__lead {
  max-width: 640px;
  margin: 0 0 26px;
  color: #d9e1ee;
  font-size: 16px;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.page-about .about-hero__actions .button {
  border-bottom: 0;
}

.page-about .about-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-stats__item {
  background: var(--ink);
  padding: 14px 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-stats__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1.1;
  color: var(--lime);
}

.page-about .about-stats__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist);
}

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

/* ---------- 起点 ---------- */
.page-about .band {
  padding: 44px 0;
}

.page-about .band--contrast {
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-origin__grid {
  display: grid;
  gap: 26px;
}

.page-about .about-origin__text p {
  margin: 0 0 16px;
  font-size: 16px;
  color: #dfe6f2;
  max-width: 760px;
}

.page-about .about-origin__text p:first-child::first-letter {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2.4em;
  line-height: 0.9;
  color: var(--lime);
  float: left;
  margin: 0 8px 0 0;
}

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

.page-about .media-frame {
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-about .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .media-frame--wide img {
  aspect-ratio: 12 / 7;
}

.page-about .media-frame__caption {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
  padding: 10px 2px 0;
  border-top: 1px solid var(--line);
  margin-top: 10px;
}

/* ---------- 时间线 ---------- */
.page-about .about-track {
  padding: 44px 0;
}

.page-about .about-timeline {
  list-style: none;
  margin: 0 0 32px;
  padding: 0 0 0 26px;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 14px;
  width: 2px;
  background: linear-gradient(180deg, var(--lime) 0%, var(--electric) 48%, var(--line) 100%);
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: 30px;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 8px;
  width: 12px;
  height: 12px;
  background: var(--ink);
  border: 2px solid var(--electric);
  transform: rotate(45deg);
}

.page-about .about-timeline__item--now::before {
  background: var(--lime);
  border-color: var(--lime);
  box-shadow: 0 0 0 4px rgba(216, 255, 62, 0.18);
}

.page-about .about-timeline__year {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  color: var(--lime);
  margin-bottom: 6px;
}

.page-about .about-timeline__body h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  line-height: 1.4;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-about .about-timeline__body p {
  margin: 0 0 8px;
  font-size: 15px;
  color: #cfd8e6;
  max-width: 680px;
}

.page-about .about-timeline__meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--mist) !important;
  text-transform: uppercase;
}

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

/* ---------- 档案 ---------- */
.page-about .about-archive__grid {
  display: grid;
  gap: 26px;
}

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

.page-about .about-labels__row {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-labels__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--yellow);
  padding-top: 2px;
}

.page-about .about-labels__val {
  font-size: 14.5px;
  line-height: 1.75;
  color: #dfe6f2;
}

.page-about .about-archive__side {
  background: var(--about-card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--lime);
  padding: 20px 18px;
}

.page-about .about-flow {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-about .about-flow li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.7;
  color: #dbe3f0;
  padding: 7px 0;
  border-bottom: 1px dashed rgba(42, 58, 85, 0.9);
}

.page-about .about-flow li:last-child {
  border-bottom: 0;
}

.page-about .about-flow__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--ink);
  background: var(--lime);
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 3px;
}

.page-about .about-archive__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-about .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border-radius: 2px;
  border: 1px solid transparent;
}

.page-about .tag--red {
  background: var(--red);
  color: var(--paper);
}

.page-about .tag--yellow {
  background: var(--yellow);
  color: var(--ink);
}

.page-about .tag--lime {
  background: var(--lime);
  color: var(--ink);
}

.page-about .tag--outline {
  border-color: var(--line);
  color: var(--mist);
}

.page-about .about-archive__link {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  padding: 44px 0;
}

.page-about .about-team__grid {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}

.page-about .about-team__card {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--line);
  padding: 20px 18px 18px;
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.page-about .about-team__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
}

.page-about .about-team__card--red::before { background: var(--red); }
.page-about .about-team__card--lime::before { background: var(--lime); }
.page-about .about-team__card--electric::before { background: var(--electric); }
.page-about .about-team__card--yellow::before { background: var(--yellow); }

.page-about .about-team__card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-about .about-team__card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: #d6dfec;
}

.page-about .about-team__more {
  margin-top: 10px !important;
  padding-top: 10px;
  border-top: 1px dashed rgba(42, 58, 85, 0.9);
  font-size: 13px !important;
  color: var(--mist) !important;
}

.page-about .about-team__foot {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  border-left: 2px solid var(--line);
  padding-left: 14px;
}

/* ---------- 运营 ---------- */
.page-about .about-region__grid {
  display: grid;
  gap: 26px;
}

.page-about .about-region__text p {
  margin: 0 0 16px;
  font-size: 15.5px;
  color: #dfe6f2;
  max-width: 720px;
}

.page-about .about-region__contacts {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .about-region__contacts li {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-about .about-region__contacts li span {
  font-family: var(--font-body);
  font-size: 12.5px;
  color: var(--yellow);
  letter-spacing: 0.04em;
}

.page-about .about-region__note {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
  margin: 0;
}

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

/* ---------- 桌面板 ---------- */
@media (min-width: 720px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-stats__num {
    font-size: 1.75rem;
  }

  .page-about .about-team__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (min-width: 960px) {
  .page-about {
    --about-pad: 40px;
    --about-max: 1180px;
    font-size: 17px;
    line-height: 1.85;
  }

  .page-about .about-crumbs {
    padding-top: 22px;
  }

  .page-about .about-hero__inner {
    padding: 34px var(--about-pad) 56px;
  }

  .page-about .about-hero__lead {
    font-size: 17px;
    max-width: 680px;
  }

  .page-about .about-hero__note {
    display: block;
    position: absolute;
    right: 14px;
    top: 96px;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.28em;
    color: rgba(168, 179, 199, 0.62);
    margin: 0;
  }

  .page-about .band,
  .page-about .about-track,
  .page-about .about-team {
    padding: 68px 0;
  }

  .page-about .about-origin__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 44px;
    align-items: start;
  }

  .page-about .about-origin__figure {
    margin-top: 6px;
  }

  .page-about .about-timeline {
    padding-left: 0;
    margin-bottom: 48px;
  }

  .page-about .about-timeline::before {
    left: 118px;
    top: 14px;
    bottom: 20px;
  }

  .page-about .about-timeline__item {
    display: grid;
    grid-template-columns: 118px 1fr;
    gap: 40px;
    padding-bottom: 40px;
    padding-left: 42px;
  }

  .page-about .about-timeline__item::before {
    left: 112px;
    top: 12px;
    width: 14px;
    height: 14px;
  }

  .page-about .about-timeline__year {
    text-align: right;
    font-size: 1.6rem;
    margin-top: 2px;
  }

  .page-about .about-timeline__body h3 {
    font-size: 1.25rem;
  }

  .page-about .about-archive__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: start;
  }

  .page-about .about-archive__side {
    padding: 26px 24px;
  }

  .page-about .about-team__grid {
    gap: 18px;
  }

  .page-about .about-team__card {
    padding: 26px 24px 22px;
  }

  .page-about .about-team__card:hover,
  .page-about .about-team__card:focus-visible {
    transform: translateY(-4px);
    border-color: var(--electric);
  }

  .page-about .about-region__grid {
    grid-template-columns: 1fr 0.9fr;
    gap: 48px;
    align-items: start;
  }

  .page-about .about-region__figure {
    margin-top: 4px;
  }
}

@media (hover: hover) and (min-width: 960px) {
  .page-about .about-team__more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0 !important;
    padding-top: 0;
    border-top-color: transparent;
    transition: max-height 0.26s ease, opacity 0.26s ease, margin-top 0.26s ease, padding-top 0.26s ease;
  }

  .page-about .about-team__card:hover .about-team__more,
  .page-about .about-team__card:focus-visible .about-team__more {
    max-height: 7em;
    opacity: 1;
    margin-top: 10px !important;
    padding-top: 10px;
    border-top-color: rgba(42, 58, 85, 0.9);
  }
}

.page-about .reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.page-about .reveal-ready [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-team__card,
  .page-about .about-team__more,
  .page-about .reveal-ready [data-reveal] {
    transition: none;
    transform: none;
    opacity: 1;
  }
}
<<<END>>>