.page-about {
  --ax-line: rgba(140, 248, 206, .22);
  --ax-grid: rgba(59, 242, 176, .05);
  --ax-hair: rgba(140, 248, 206, .16);
  --ax-ink-label: #4A5F58;
  position: relative;
  overflow-x: hidden;
  color: var(--text);
  font-family: var(--font-body);
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(90deg, transparent 0 109px, var(--ax-grid) 109px 111px),
    repeating-linear-gradient(0deg, transparent 0 109px, var(--ax-grid) 109px 111px);
  background-position: -1px -1px;
}

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

.page-about .ax-wrap {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 首屏 ---------- */
.page-about .ax-hero {
  position: relative;
  padding: 84px 0 48px;
  border-bottom: 2px solid var(--ax-hair);
}

.page-about .ax-hero__eyebrow {
  margin: 22px 0 0;
  color: var(--neon-2);
}

.page-about .ax-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 8.4vw, 78px);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--heading);
}

.page-about .ax-hero__title em {
  font-style: normal;
  color: var(--neon);
}

.page-about .ax-hero__lead {
  max-width: 60ch;
  margin: 26px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-about .ax-hero__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ax-stat {
  padding: 18px 20px;
  border: var(--bd) solid var(--ink-3);
  background: var(--ink-2);
  box-shadow: var(--shadow-sm);
}

.page-about .ax-stat__num {
  display: block;
  font-family: var(--font-num);
  font-weight: 600;
  font-size: clamp(30px, 7vw, 44px);
  line-height: 1;
  color: var(--neon);
}

.page-about .ax-stat__unit {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 时间轴布局 ---------- */
.page-about .ax-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  padding-top: 52px;
}

.page-about .ax-axis {
  border-top: 2px solid var(--ax-line);
  padding: 12px 0 0;
}

.page-about .ax-axis__label {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-about .ax-axis__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .ax-axis__item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border: 2px solid var(--ink-3);
  background: var(--ink-2);
  color: var(--text-dim);
  font-size: 12.5px;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-about .ax-axis__item .mono {
  font-family: var(--font-num);
  font-size: 11.5px;
  color: var(--neon);
}

.page-about .ax-axis__item:hover,
.page-about .ax-axis__item:focus-visible {
  color: var(--white);
  border-color: var(--neon);
}

.page-about .ax-flow__body {
  min-width: 0;
}

/* ---------- 阶段卡 ---------- */
.page-about .ax-stage {
  margin: 0 0 26px;
}

.page-about .ax-card {
  padding: 20px 20px 24px;
  border: var(--bd) solid var(--ink-3);
  background: var(--ink-2);
  box-shadow: var(--shadow);
  transition: box-shadow .3s var(--ease), border-color .3s var(--ease);
}

.page-about .ax-card:hover {
  border-color: var(--neon);
  box-shadow: var(--shadow-sm);
}

.page-about .ax-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--ax-hair);
}

.page-about .ax-card__num {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: 34px;
  line-height: .9;
  color: var(--neon);
}

.page-about .ax-card__period {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-about .ax-card__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 4.6vw, 30px);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--heading);
}

.page-about .ax-card p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-about .ax-card__list {
  display: grid;
  gap: 9px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ax-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
}

.page-about .ax-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 9px;
  height: 2px;
  background: var(--neon);
}

/* ---------- 横向主题带 ---------- */
.page-about .ax-band {
  margin-top: 44px;
  padding: 30px 0;
  background: var(--ink-3);
  border-top: 3px solid var(--neon);
  border-bottom: 3px solid var(--neon);
}

.page-about .ax-band__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

.page-about .ax-band__kicker {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--neon);
}

.page-about .ax-band__text {
  margin: 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-about .ax-band .btn {
  flex: none;
}

/* ---------- 资料库（暖纸分区） ---------- */
.page-about .ax-paper {
  padding: 58px 0 64px;
  background: var(--paper);
  color: var(--ink);
  border-bottom: var(--bd) solid var(--ink-3);
}

.page-about .ax-paper__eyebrow {
  margin: 0;
  color: var(--action-2);
}

.page-about .ax-paper__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 6vw, 50px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-about .ax-paper__lead {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: #2C4038;
}

.page-about .ax-library {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: 30px;
}

.page-about .ax-library__fig {
  margin: 0;
  border: var(--bd) solid var(--ink-3);
  box-shadow: var(--shadow);
  background: var(--ink-2);
}

.page-about .ax-library__fig .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-about .ax-library__fig .media__cap {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-dim);
}

.page-about .ax-cells {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .ax-cell {
  padding: 14px 14px 16px;
  border: 2px solid var(--ink-3);
  background: var(--white);
  box-shadow: 4px 4px 0 var(--ink-3);
}

.page-about .ax-cell__num {
  display: block;
  font-family: var(--font-num);
  font-weight: 600;
  font-size: clamp(24px, 6vw, 32px);
  line-height: 1.04;
  color: var(--ink);
}

.page-about .ax-cell__num span {
  margin-left: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--action-2);
}

.page-about .ax-cell__label {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ax-ink-label);
}

.page-about .ax-paper__note {
  margin-top: 30px;
  padding: 22px;
  border: 2px solid var(--ink-3);
  background: var(--paper-2);
}

.page-about .ax-paper__note h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .ax-paper__note p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #2C4038;
}

.page-about .ax-paper__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px !important;
}

/* ---------- 团队 ---------- */
.page-about .ax-team {
  padding: 58px 0;
  border-bottom: 2px solid var(--ax-hair);
}

.page-about .ax-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-about .ax-team__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 6vw, 46px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--heading);
}

.page-about .ax-team__lead {
  max-width: 54ch;
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-about .ax-roles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ax-role {
  padding: 16px 16px 18px;
  border: var(--bd) solid var(--ink-3);
  background: var(--ink-2);
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}

.page-about .ax-role:hover,
.page-about .ax-role:focus-within {
  transform: translateY(-4px);
  border-color: var(--neon);
  box-shadow: var(--shadow);
}

.page-about .ax-role__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ax-hair);
}

.page-about .ax-role__name {
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--heading);
}

.page-about .ax-role__count {
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 600;
  line-height: 1;
  color: var(--neon);
}

.page-about .ax-role__desc {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-about .ax-role__more {
  max-height: 0;
  margin: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--neon-2);
  transition: max-height .3s var(--ease), opacity .3s var(--ease), margin .3s var(--ease);
}

.page-about .ax-role:hover .ax-role__more,
.page-about .ax-role:focus-within .ax-role__more {
  max-height: 140px;
  margin-top: 10px;
  opacity: 1;
}

.page-about .ax-team__fig {
  margin: 0;
  border: var(--bd) solid var(--ink-3);
  background: var(--ink-2);
  box-shadow: var(--shadow);
}

.page-about .ax-team__fig .media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-about .ax-team__fig .media__cap {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-dim);
}

/* ---------- 2026 升级 ---------- */
.page-about .ax-upgrade {
  padding: 58px 0;
  background: var(--ink-2);
  border-bottom: 2px solid var(--ax-hair);
}

.page-about .ax-upgrade__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 6vw, 46px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--heading);
}

.page-about .ax-notes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: axnote;
}

.page-about .ax-note {
  padding: 18px 18px 20px;
  border: 2px solid var(--ink-3);
  border-top: 3px solid var(--action);
  background: var(--ink);
}

.page-about .ax-note__num {
  display: block;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--action);
}

.page-about .ax-note__title {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--heading);
}

.page-about .ax-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- 覆盖范围 ---------- */
.page-about .ax-cover {
  position: relative;
  overflow: hidden;
  background-color: var(--ink);
}

.page-about .ax-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, transparent 0 129px, rgba(59, 242, 176, .07) 129px 131px),
    linear-gradient(120deg, rgba(5, 16, 12, .92) 0%, rgba(10, 31, 25, .66) 100%);
  z-index: 1;
  pointer-events: none;
}

.page-about .ax-cover__inner {
  position: relative;
  z-index: 2;
  padding: 56px 0;
}

.page-about .ax-cover__title {
  margin: 14px 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 6vw, 44px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--heading);
}

.page-about .ax-cover__lead {
  max-width: 58ch;
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-about .ax-cover__stats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ax-cover__stats li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  border: 2px solid var(--ink-3);
  background: rgba(18, 48, 42, .85);
  font-size: 13.5px;
  color: var(--text-dim);
}

.page-about .ax-cover__stats .mono {
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 600;
  line-height: 1;
  color: var(--neon);
}

/* ---------- 延伸去路 ---------- */
.page-about .ax-next {
  padding: 56px 0 72px;
  background: var(--ink-3);
}

.page-about .ax-next__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.4vw, 38px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--heading);
}

.page-about .ax-next__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ax-next__link {
  display: block;
  padding: 16px 18px;
  border: var(--bd) solid var(--ink-2);
  background: var(--ink-2);
  text-decoration: none;
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.page-about .ax-next__link:hover,
.page-about .ax-next__link:focus-visible {
  border-color: var(--neon);
  transform: translateY(-3px);
}

.page-about .ax-next__k {
  display: block;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--action);
}

.page-about .ax-next__t {
  display: block;
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--heading);
}

.page-about .ax-next__d {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-about .ax-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .ax-band__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

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

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

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

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

@media (min-width: 780px) {
  .page-about .ax-library {
    grid-template-columns: 1.15fr .85fr;
    align-items: start;
    gap: 26px;
  }

  .page-about .ax-paper__note {
    padding: 26px 28px;
  }

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

@media (min-width: 900px) {
  .page-about .ax-hero {
    padding: 108px 0 56px;
  }

  .page-about .ax-flow {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 56px;
    padding-top: 64px;
  }

  .page-about .ax-axis {
    position: sticky;
    top: 88px;
    align-self: start;
    border-top: 0;
    border-left: 2px solid var(--ax-line);
    padding: 0 0 0 22px;
  }

  .page-about .ax-axis__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .ax-axis__item {
    display: flex;
    width: 100%;
    padding: 11px 0 11px 4px;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .page-about .ax-axis__item:hover,
  .page-about .ax-axis__item:focus-visible {
    border: 0;
    padding-left: 12px;
    color: var(--white);
  }

  .page-about .ax-stage:nth-child(odd) .ax-card {
    max-width: 660px;
  }

  .page-about .ax-stage:nth-child(even) .ax-card {
    max-width: 560px;
    margin-left: auto;
  }

  .page-about .ax-card {
    padding: 26px 28px 30px;
  }

  .page-about .ax-team__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
    gap: 46px;
  }

  .page-about .ax-roles {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-about .ax-role {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 0 22px;
    align-items: start;
    padding: 16px 20px 18px;
  }

  .page-about .ax-role__head {
    grid-row: 1 / span 3;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-bottom: 0;
    border-bottom: 0;
    border-right: 1px solid var(--ax-hair);
    padding-right: 18px;
  }

  .page-about .ax-role__desc {
    grid-column: 2;
    margin-top: 0;
  }

  .page-about .ax-role__more {
    grid-column: 2;
  }

  .page-about .ax-paper {
    padding: 76px 0 82px;
  }

  .page-about .ax-team,
  .page-about .ax-upgrade {
    padding: 76px 0;
  }

  .page-about .ax-cover__inner {
    padding: 84px 0;
  }
}

@media (min-width: 1040px) {
  .page-about .ax-next__list {
    gap: 16px;
  }

  .page-about .ax-band {
    padding: 38px 0;
  }
}

@media (hover: none) {
  .page-about .ax-role__more {
    max-height: none;
    margin-top: 10px;
    opacity: 1;
  }
}
<<<END>>>