.page-about {
  --ab-line: rgba(166, 179, 199, 0.16);
  --ab-line-soft: rgba(166, 179, 199, 0.09);
  --ab-paper-line: rgba(16, 22, 31, 0.16);
  padding-bottom: clamp(44px, 7vw, 92px);
}

.page-about .ab-crumb {
  margin: clamp(14px, 2.4vw, 26px) 0 clamp(14px, 2.4vw, 22px);
}

/* ---------- 开场暖纸面板 ---------- */
.page-about .ab-hero {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  color: var(--paper-ink);
  border: 1px solid rgba(16, 22, 31, 0.28);
  padding: clamp(24px, 4.4vw, 58px);
  box-shadow: 12px 12px 0 rgba(34, 224, 222, 0.1);
}

.page-about .ab-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 30%;
  height: 100%;
  background-image: repeating-linear-gradient(
    116deg,
    rgba(16, 22, 31, 0.09) 0 1px,
    rgba(16, 22, 31, 0) 1px 13px
  );
  pointer-events: none;
}

.page-about .ab-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 62rem;
}

.page-about .ab-hero__stamp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(16, 22, 31, 0.6);
}

.page-about .ab-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(28px, 4.6vw, 50px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper-ink);
}

.page-about .ab-hero__lede {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: rgba(16, 22, 31, 0.82);
}

.page-about .ab-hero__stats {
  display: flex;
  flex-wrap: wrap;
  margin: clamp(24px, 4vw, 42px) 0 0;
  border-top: 1px solid var(--ab-paper-line);
  border-bottom: 1px solid var(--ab-paper-line);
}

.page-about .ab-stat {
  flex: 1 1 132px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 15px 18px 15px 0;
  border-right: 1px solid rgba(16, 22, 31, 0.12);
}

.page-about .ab-stat:last-child {
  border-right: 0;
}

.page-about .ab-stat__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(16, 22, 31, 0.62);
}

.page-about .ab-stat__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--paper-ink);
}

/* ---------- 图片 ---------- */
.page-about .ab-figure {
  margin: clamp(22px, 3.4vw, 38px) 0 0;
}

.page-about .ab-figure .wm-media__frame {
  overflow: hidden;
  background: var(--ink-800);
  border: 1px solid var(--ab-line);
}

.page-about .ab-figure .wm-media__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .ab-figure--hero .wm-media__frame {
  aspect-ratio: 14 / 9;
}

.page-about .ab-figure--cover .wm-media__frame {
  aspect-ratio: 3 / 2;
}

.page-about .ab-figure .wm-media__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 通用标签与标题 ---------- */
.page-about .ab-eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .ab-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--text-bright);
}

.page-about .ab-h2--paper {
  color: var(--paper);
}

.page-about .ab-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 222, 0.36);
  padding-bottom: 2px;
  transition: color 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
}

.page-about .ab-link:hover,
.page-about .ab-link:focus-visible {
  color: var(--cyan-glow);
  border-color: var(--cyan-glow);
  transform: translateX(2px);
}

.page-about .ab-block-head {
  max-width: 66ch;
  margin-bottom: clamp(24px, 3.6vw, 40px);
}

.page-about .ab-block-head__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 版本时间轴 ---------- */
.page-about .ab-tl__head {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-about .ab-tl__head-main {
  max-width: 34ch;
}

.page-about .ab-tl__intro {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-about .ab-tl__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .ab-tl__jump-link {
  display: inline-block;
  padding: 6px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text);
  text-decoration: none;
  background: var(--ink-800);
  border: 1px solid var(--ab-line);
  transition: color 0.22s ease, background 0.22s ease, border-color 0.22s ease;
}

.page-about .ab-tl__jump-link:hover,
.page-about .ab-tl__jump-link:focus-visible {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-about .ab-tl__stage {
  position: relative;
  margin-top: clamp(22px, 3.4vw, 38px);
  overflow: hidden;
  border-top: 1px solid var(--ab-line);
  border-bottom: 1px solid var(--ab-line);
  background: linear-gradient(180deg, rgba(13, 21, 36, 0.92), rgba(6, 10, 19, 0.6));
}

.page-about .ab-tl__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-about .ab-tl__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
}

.page-about .ab-tl__list {
  position: relative;
  z-index: 1;
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-about .ab-tl__item {
  position: relative;
  flex: 0 0 clamp(238px, 26vw, 300px);
  scroll-snap-align: start;
  padding: 28px 22px 32px;
  border-right: 1px solid var(--ab-line);
  transition: background 0.3s ease;
}

.page-about .ab-tl__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--ink-600);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.page-about .ab-tl__item:hover,
.page-about .ab-tl__item:focus-within {
  background: linear-gradient(180deg, rgba(34, 224, 222, 0.08), rgba(34, 224, 222, 0));
}

.page-about .ab-tl__item:hover::before,
.page-about .ab-tl__item:focus-within::before {
  background: var(--orange);
  box-shadow: 0 0 14px rgba(255, 122, 47, 0.55);
}

.page-about .ab-tl__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
  border: 1px solid rgba(255, 122, 47, 0.42);
  padding: 3px 9px;
}

.page-about .ab-tl__name {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.35;
  color: var(--text-bright);
}

.page-about .ab-tl__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

.page-about .ab-tl__gain {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--ab-line);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-bright);
}

/* ---------- 六项日常内容 ---------- */
.page-about .ab-offers {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--ab-line);
}

.page-about .ab-offers__item {
  display: flex;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--ab-line);
  transition: background 0.25s ease;
}

.page-about .ab-offers__item:hover {
  background: linear-gradient(90deg, rgba(26, 37, 55, 0.55), rgba(26, 37, 55, 0));
}

.page-about .ab-offers__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-about .ab-offers__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.4;
  color: var(--text-bright);
}

.page-about .ab-offers__text {
  margin: 8px 0 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 覆盖范围 ---------- */
.page-about .ab-rail {
  margin-bottom: 26px;
}

.page-about .ab-rail__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

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

.page-about .ab-rail__item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--ab-line-soft);
  font-size: 13px;
}

.page-about .ab-rail__key {
  color: var(--text);
}

.page-about .ab-rail__val {
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-about .ab-cover__text {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-about .ab-scale {
  margin: clamp(22px, 3.2vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--ab-line);
  border: 1px solid var(--ab-line);
}

.page-about .ab-scale__item {
  background: var(--ink-850);
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .ab-scale__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan-glow);
  text-shadow: 0 0 18px rgba(34, 224, 222, 0.35);
}

.page-about .ab-scale__unit {
  font-size: 14px;
  margin-left: 4px;
  color: var(--cyan);
  text-shadow: none;
}

.page-about .ab-scale__cap {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 团队 ---------- */
.page-about .ab-team-table {
  margin: 0;
}

.page-about .ab-team-table__caption {
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text);
  padding-bottom: 10px;
}

.page-about .ab-team-notes {
  margin-top: clamp(22px, 3.2vw, 34px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--ab-line);
  border: 1px solid var(--ab-line);
}

.page-about .ab-team-note {
  background: var(--ink-850);
  padding: 20px 22px;
  border-left: 2px solid var(--cyan);
}

.page-about .ab-team-note--amber {
  border-left-color: var(--amber);
}

.page-about .ab-team-note--green {
  border-left-color: var(--green);
}

.page-about .ab-team-note__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text);
}

.page-about .ab-team-note__val {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-bright);
}

.page-about .ab-team-note__text {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 合作生态 ---------- */
.page-about .ab-filter {
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

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

.page-about .ab-partners__item {
  background: var(--ink-800);
  padding: 22px 22px 24px;
  transition: background 0.25s ease;
}

.page-about .ab-partners__item:hover {
  background: var(--ink-700);
}

.page-about .ab-partners__count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-about .ab-partners__name {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--text-bright);
}

.page-about .ab-partners__text {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 身份与联系 ---------- */
.page-about .ab-ident {
  background: var(--ink-850);
  border-top: 1px solid var(--ab-line);
}

.page-about .ab-ident__text {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.page-about .ab-ident__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

.page-about .ab-ident__card {
  margin-top: clamp(26px, 4vw, 44px);
  background: var(--ink-800);
  border: 1px solid var(--ab-line);
  padding: clamp(20px, 3vw, 30px);
}

.page-about .ab-ident__list {
  margin: 0;
  padding: 0;
}

.page-about .ab-ident__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--ab-line-soft);
}

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

.page-about .ab-ident__row dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text);
}

.page-about .ab-ident__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-bright);
  word-break: break-word;
}

.page-about .ab-ident__row dd .ab-link {
  margin-top: 0;
}

.page-about .ab-ident__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--ab-line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .ab-scale {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .ab-team-notes {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .ab-partners {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .ab-offers {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 0;
  }

  .page-about .ab-offers__item {
    padding-right: 26px;
  }

  .page-about .ab-ident__row {
    grid-template-columns: 8.5rem 1fr;
    gap: 14px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-about .ab-tl__head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
  }

  .page-about .ab-tl__intro {
    text-align: right;
  }

  .page-about .ab-rail {
    margin-bottom: 0;
    padding-right: 26px;
    border-right: 1px solid var(--ab-line);
  }

  .page-about .ab-cover__main {
    padding-left: 36px;
  }

  .page-about .ab-ident__card {
    margin-top: 0;
  }
}

@media (min-width: 1100px) {
  .page-about .ab-partners {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .ab-offers {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-link,
  .page-about .ab-tl__jump-link,
  .page-about .ab-tl__item,
  .page-about .ab-tl__item::before,
  .page-about .ab-offers__item,
  .page-about .ab-partners__item {
    transition: none;
  }
}
<<<END>>>