.page-about {
  background: var(--ink-night);
  color: var(--snow);
}

.page-about .ab-crumbwrap {
  padding-top: 26px;
}

.page-about .crumbs {
  font-size: 13px;
}

/* ---------- 首屏 ---------- */

.page-about .ab-hero {
  position: relative;
  padding: 34px 0 68px;
  overflow: hidden;
}

.page-about .ab-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -26%;
  width: 620px;
  height: 620px;
  background: radial-gradient(circle at 45% 45%, rgba(63, 224, 208, 0.22), rgba(244, 184, 96, 0.1) 52%, rgba(245, 167, 198, 0.06) 68%, transparent 76%);
  pointer-events: none;
  z-index: 0;
}

.page-about .ab-hero__shard {
  display: none;
}

.page-about .ab-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 34px;
  align-items: start;
}

.page-about .ab-hero__eyebrow {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-about .ab-hero__title {
  margin: 0 0 22px;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(31px, 6.4vw, 56px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-about .ab-hero__title span {
  background: linear-gradient(96deg, var(--aurora), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-about .ab-hero__lead {
  margin: 0 0 30px;
  max-width: 34em;
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.85;
  color: var(--ice);
}

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

.page-about .ab-hero__card {
  position: relative;
  padding: 26px 22px 18px;
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(19, 26, 58, 0.92), rgba(10, 16, 36, 0.72));
  box-shadow: var(--shadow-soft);
}

.page-about .ab-hero__card::before {
  content: "";
  position: absolute;
  left: 22px;
  top: -1px;
  width: 54px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--aurora), var(--gold));
}

.page-about .ab-hero__cardtitle {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ice);
}

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

.page-about .ab-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-top: 1px solid var(--edge);
}

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

.page-about .ab-facts__row dt {
  font-size: 14px;
  color: var(--ice);
}

.page-about .ab-facts__row dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  line-height: 1.6;
  text-align: right;
  color: var(--snow);
}

/* ---------- 章节结构 ---------- */

.page-about .ab-sec {
  position: relative;
  padding: 46px 0;
  border-top: 1px solid var(--edge);
}

.page-about .ab-sec--deep {
  background: linear-gradient(180deg, rgba(19, 26, 58, 0.62), rgba(10, 16, 36, 0.12));
}

.page-about .about-row {
  display: grid;
  gap: 22px;
}

.page-about .ab-stub {
  position: relative;
  padding-left: 16px;
}

.page-about .ab-stub::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, var(--aurora), rgba(244, 184, 96, 0.35), transparent);
}

.page-about .ab-stub__num {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-about .ab-stub__title {
  margin: 0 0 14px;
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--snow);
}

.page-about .ab-stub__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-body p {
  margin: 0 0 16px;
}

.page-about .ab-body > p:last-child {
  margin-bottom: 0;
}

.page-about .ab-quote {
  margin: 30px 0 0;
  padding: 4px 0 4px 22px;
  border-left: 2px solid var(--aurora);
  font-family: var(--serif);
  font-size: clamp(20px, 2.8vw, 26px);
  line-height: 1.6;
  color: var(--gold);
}

/* ---------- 图片 ---------- */

.page-about .figure {
  margin: 26px 0 0;
}

.page-about .figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  background: var(--ink-deep);
  object-fit: cover;
}

.page-about .figure__cap {
  margin: 10px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--ice);
}

/* ---------- 分区卡片 ---------- */

.page-about .ab-zones {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-zone {
  padding: 18px 20px;
  border: 1px solid var(--edge);
  border-radius: var(--radius-sm);
  background: linear-gradient(158deg, rgba(19, 26, 58, 0.85), rgba(10, 16, 36, 0.5));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .ab-zone:hover,
.page-about .ab-zone:focus-within {
  border-color: var(--aurora);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.page-about .ab-zone__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.page-about .ab-zone__name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--snow);
}

.page-about .ab-zone__cap {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--gold);
}

.page-about .ab-zone__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ice);
}

/* ---------- 岗位列表 ---------- */

.page-about .ab-roles {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-roles > li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 16px;
  padding: 16px 2px;
  border-top: 1px solid var(--edge);
}

.page-about .ab-roles > li:last-child {
  border-bottom: 1px solid var(--edge);
}

.page-about .ab-roles__k {
  font-size: 16px;
  font-weight: 600;
  color: var(--snow);
}

.page-about .ab-roles__n {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--gold);
}

.page-about .ab-roles__d {
  grid-column: 1 / -1;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ice);
}

/* ---------- 时间轴 ---------- */

.page-about .ab-timeline {
  position: relative;
  margin: 30px 0 0;
  padding: 0 0 0 26px;
  list-style: none;
}

.page-about .ab-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--aurora), rgba(244, 184, 96, 0.5) 55%, rgba(30, 42, 74, 0.8));
}

.page-about .ab-tl {
  position: relative;
  padding-bottom: 26px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--edge);
}

.page-about .ab-tl:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-about .ab-tl__dot {
  position: absolute;
  left: -26px;
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 1px solid var(--aurora);
  background: var(--ink-night);
  box-shadow: 0 0 0 4px rgba(63, 224, 208, 0.1);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .ab-tl:hover .ab-tl__dot,
.page-about .ab-tl:focus-within .ab-tl__dot {
  background: var(--aurora);
  box-shadow: 0 0 0 6px rgba(63, 224, 208, 0.16);
}

.page-about .ab-tl__year {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-about .ab-tl__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--snow);
}

.page-about .ab-tl__text {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ice);
}

/* ---------- 覆盖城市 ---------- */

.page-about .ab-cities {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-about .ab-cities li {
  padding: 6px 12px;
  border: 1px solid var(--edge);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ice);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-about .ab-cities li:hover {
  border-color: var(--aurora);
  color: var(--snow);
}

/* ---------- 收尾 ---------- */

.page-about .ab-cta {
  padding: 52px 0 72px;
  border-top: 1px solid var(--edge);
  background: radial-gradient(120% 150% at 10% 0%, rgba(63, 224, 208, 0.12), rgba(10, 16, 36, 0) 62%);
}

.page-about .ab-cta__text {
  max-width: 36em;
  margin: 0 0 24px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--snow);
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-about .ab-zones {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .ab-hero {
    padding: 54px 0 96px;
  }

  .page-about .ab-hero__shard {
    display: block;
    position: absolute;
    top: 14%;
    right: 24%;
    width: 250px;
    height: 250px;
    border: 1px solid rgba(63, 224, 208, 0.14);
    border-radius: 30px;
    background: linear-gradient(135deg, rgba(63, 224, 208, 0.14), rgba(10, 16, 36, 0));
    transform: rotate(18deg) skewY(-6deg);
    pointer-events: none;
    z-index: 0;
  }

  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 64px;
    align-items: end;
  }

  .page-about .ab-sec {
    padding: 72px 0;
  }

  .page-about .about-row {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 56px;
  }

  .page-about .ab-stub {
    position: sticky;
    top: 100px;
    align-self: start;
    padding-left: 18px;
  }
}

@media (min-width: 1180px) {
  .page-about .about-row {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 72px;
  }
}
<<<END>>>