/* ============ 品牌档案页 · page-about ============ */

.page-about {
  --about-gap: 1.15rem;
  --about-year-col: 8.6rem;
  color: var(--c-chalk);
  background: var(--c-deep);
}

.page-about .wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 1.1rem;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: 6.4rem 0 3.2rem;
  background:
    radial-gradient(120% 88% at 88% -6%, rgba(255, 90, 31, .16), transparent 58%),
    radial-gradient(96% 74% at 4% 104%, rgba(72, 224, 200, .1), transparent 62%),
    linear-gradient(180deg, #0B1B33 0%, #0A1830 100%);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: auto -12% -46% -12%;
  height: 62%;
  background: linear-gradient(180deg, transparent, rgba(18, 41, 74, .55));
  transform: skewY(-3.2deg);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}

.page-about .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  color: var(--ink-faint);
  margin-bottom: 1.5rem;
}

.page-about .crumb a {
  color: var(--c-steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-about .crumb a:hover,
.page-about .crumb a:focus-visible {
  color: var(--c-gold);
  border-bottom-color: var(--line-gold);
}

.page-about .crumb__sep {
  color: var(--line-mid);
}

.page-about .crumb__now {
  color: var(--ink-soft);
}

.page-about .about-hero .eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--c-gold);
  margin: 0 0 .9rem;
}

.page-about .about-hero__title {
  margin: 0 0 1.05rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 7.4vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--c-chalk);
  max-width: 22ch;
}

.page-about .about-hero__lede {
  margin: 0 0 2rem;
  max-width: 62ch;
  font-size: 1.02rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-about .about-hero__stats {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .7rem;
}

.page-about .about-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: .95rem 1rem;
  border-radius: var(--r-md);
  background: linear-gradient(150deg, rgba(18, 41, 74, .92), rgba(11, 27, 51, .92));
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--line-gold);
}

.page-about .about-hero__stats .stat__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 6vw, 2.15rem);
  letter-spacing: .01em;
  color: var(--c-gold);
  line-height: 1.05;
}

.page-about .about-hero__stats .stat__value em {
  font-style: normal;
  font-size: .62em;
  color: var(--c-signal);
}

.page-about .about-hero__stats .stat__label {
  font-size: .8rem;
  line-height: 1.5;
  color: var(--c-steel);
}

.page-about .about-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-soft);
}

.page-about .anchor-pill {
  display: inline-block;
  padding: .42rem .92rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-mid);
  background: rgba(18, 41, 74, .5);
  font-size: .82rem;
  color: var(--ink-soft);
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-about .anchor-pill:hover,
.page-about .anchor-pill:focus-visible {
  border-color: var(--c-gold);
  color: var(--c-gold);
  background: rgba(242, 193, 78, .1);
}

/* ---------- 通用区块头 ---------- */
.page-about .section {
  padding: 3.2rem 0;
}

.page-about .about-block {
  position: relative;
}

.page-about .block-head {
  margin-bottom: 1.9rem;
  max-width: 68ch;
}

.page-about .block-head--tight {
  margin-bottom: 1.2rem;
}

.page-about .block-head .eyebrow,
.page-about .region-banner .eyebrow,
.page-about .results-copy .eyebrow,
.page-about .next-head .eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: .71rem;
  letter-spacing: .16em;
  color: var(--c-gold);
  margin: 0 0 .7rem;
}

.page-about .block-head__title {
  margin: 0 0 .75rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.5rem, 5.4vw, 2.2rem);
  line-height: 1.22;
  letter-spacing: -.02em;
  color: var(--c-chalk);
}

.page-about .block-head__note {
  margin: 0;
  font-size: .96rem;
  line-height: 1.75;
  color: var(--ink-faint);
}

/* ---------- 时间线 ---------- */
.page-about .tl {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-about .tl__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: .55rem;
  position: relative;
  padding-left: .95rem;
}

.page-about .tl__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7rem;
  bottom: .7rem;
  width: 2px;
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, var(--c-gold), rgba(14, 59, 46, .9) 55%, rgba(14, 59, 46, 0));
}

.page-about .tl__axis {
  display: flex;
  align-items: center;
  gap: .55rem;
}

.page-about .tl__year {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .96rem;
  letter-spacing: .04em;
  color: var(--c-gold);
  padding: .2rem .6rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-gold);
  background: rgba(11, 27, 51, .8);
  white-space: nowrap;
}

.page-about .tl__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-signal);
  box-shadow: 0 0 0 4px rgba(255, 90, 31, .16);
  flex: none;
}

.page-about .tl__card {
  padding: 1.15rem 1.15rem 1.25rem;
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(18, 41, 74, .94), rgba(11, 27, 51, .94));
  border: 1px solid var(--line-soft);
}

.page-about .tl__title {
  margin: 0 0 .6rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.06rem;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--c-chalk);
}

.page-about .tl__card p {
  margin: 0 0 .8rem;
  font-size: .93rem;
  line-height: 1.76;
  color: var(--ink-soft);
}

.page-about .tl__card p:last-child {
  margin-bottom: 0;
}

/* ---------- 标签行 ---------- */
.page-about .tagrow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .38rem;
}

.page-about .tagrow .tag {
  display: inline-block;
  padding: .24rem .68rem;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .02em;
  color: var(--ink-soft);
  background: rgba(30, 42, 61, .9);
  border: 1px solid var(--line-soft);
}

.page-about .tagrow .tag--gold {
  color: var(--c-gold);
  border-color: var(--line-gold);
  background: rgba(242, 193, 78, .1);
}

.page-about .tagrow .tag--green {
  color: #A8E6D3;
  border-color: rgba(14, 59, 46, .9);
  background: rgba(14, 59, 46, .72);
}

.page-about .tagrow .tag--signal {
  color: #FFD2BF;
  border-color: rgba(255, 90, 31, .5);
  background: rgba(255, 90, 31, .18);
}

/* ---------- 赛季节奏卡带 ---------- */
.page-about .about-rail {
  padding: 3rem 0 3.2rem;
  background: linear-gradient(180deg, rgba(18, 41, 74, .55), rgba(11, 27, 51, 0));
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .rail-wrap {
  position: relative;
  padding: 0 1.1rem;
}

.page-about .rail--season {
  list-style: none;
  margin: 0 auto;
  padding: .3rem 0 1.1rem;
  display: flex;
  gap: .85rem;
  max-width: var(--wrap);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line-mid) transparent;
}

.page-about .rail--season::-webkit-scrollbar {
  height: 6px;
}

.page-about .rail--season::-webkit-scrollbar-thumb {
  background: var(--line-mid);
  border-radius: var(--r-pill);
}

.page-about .rail--season:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: 4px;
  border-radius: var(--r-md);
}

.page-about .season-card {
  flex: 0 0 15.5rem;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 1.1rem 1.1rem 1.2rem;
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(18, 41, 74, .95), rgba(11, 27, 51, .95));
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--c-gold);
}

.page-about .season-card--note {
  border-top-color: var(--c-neon);
  background: linear-gradient(160deg, rgba(14, 59, 46, .72), rgba(11, 27, 51, .95));
}

.page-about .season-card__idx {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--c-gold);
}

.page-about .season-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: -.01em;
  color: var(--c-chalk);
}

.page-about .season-card__text {
  margin: 0;
  flex: 1 1 auto;
  font-size: .88rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-about .season-card__meta {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .03em;
  color: var(--c-steel);
  padding-top: .6rem;
  border-top: 1px solid var(--line-soft);
}

/* ---------- 内容工序 ---------- */
.page-about .about-process__fig {
  margin: 0 0 1.6rem;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--c-graphite);
}

.page-about .about-process__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.85) brightness(.88);
}

.page-about .about-process__fig figcaption {
  padding: .75rem 1rem;
  font-size: .8rem;
  line-height: 1.6;
  color: var(--c-steel);
  border-top: 1px solid var(--line-soft);
  background: rgba(11, 27, 51, .9);
}

.page-about .flow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: .95rem;
}

.page-about .flow-step {
  position: relative;
  padding: 1.2rem 1.15rem 1.3rem 1.15rem;
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, rgba(30, 42, 61, .92), rgba(11, 27, 51, .95));
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-about .flow-step::after {
  content: "";
  position: absolute;
  right: -2.2rem;
  bottom: -2.4rem;
  width: 7rem;
  height: 7rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(72, 224, 200, .14), transparent 68%);
  pointer-events: none;
}

.page-about .flow-step__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--c-signal);
  padding: .2rem .55rem;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255, 90, 31, .45);
  background: rgba(255, 90, 31, .12);
  margin-bottom: .7rem;
}

.page-about .flow-step__title {
  margin: 0 0 .55rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.08rem;
  letter-spacing: -.01em;
  color: var(--c-chalk);
}

.page-about .flow-step p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.76;
  color: var(--ink-soft);
}

.page-about .shift-strip {
  margin-top: 1.4rem;
  padding: 1.1rem 1.15rem 1.2rem;
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, rgba(14, 59, 46, .82), rgba(11, 27, 51, .94));
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--c-neon);
}

.page-about .shift-strip__label {
  display: block;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--c-neon);
  margin-bottom: .8rem;
}

.page-about .shift-strip__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-about .shift-strip__list li {
  font-size: .9rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-about .shift-strip__list .num {
  display: inline-block;
  min-width: 3.2rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .05em;
  color: var(--c-gold);
  margin-right: .5rem;
}

/* ---------- 团队 ---------- */
.page-about .team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-about .team-table {
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  background: rgba(18, 41, 74, .6);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-about .team-table__caption {
  text-align: left;
  padding: .85rem 1rem .3rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--c-gold);
}

.page-about .data-table {
  width: 100%;
  min-width: 33rem;
  border-collapse: collapse;
  font-size: .88rem;
}

.page-about .data-table th,
.page-about .data-table td {
  padding: .7rem .85rem;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
  line-height: 1.6;
}

.page-about .data-table thead th {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--c-steel);
  background: rgba(30, 42, 61, .9);
  white-space: nowrap;
}

.page-about .data-table tbody th {
  font-weight: 600;
  color: var(--c-chalk);
}

.page-about .data-table tbody td {
  color: var(--ink-soft);
}

.page-about .data-table tbody tr:nth-child(even) {
  background: rgba(30, 42, 61, .42);
}

.page-about .data-table tbody tr:last-child th,
.page-about .data-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-about .data-table .num {
  font-family: var(--font-mono);
  color: var(--c-gold);
  font-weight: 700;
  white-space: nowrap;
}

.page-about .team-aside {
  padding: 1.3rem 1.2rem 1.35rem;
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, rgba(14, 59, 46, .92), rgba(11, 27, 51, .92));
  border: 1px solid rgba(14, 59, 46, .9);
}

.page-about .team-aside__title {
  margin: 0 0 .65rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.06rem;
  color: var(--c-chalk);
}

.page-about .team-aside p {
  margin: 0 0 .95rem;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 区域服务 ---------- */
.page-about .about-region {
  padding: 0;
}

.page-about .region-banner {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .region-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  z-index: -2;
  filter: saturate(.8) brightness(.62);
}

.page-about .region-banner__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg, rgba(11, 27, 51, .95) 6%, rgba(11, 27, 51, .68) 52%, rgba(11, 27, 51, .88) 100%);
}

.page-about .region-banner__inner {
  padding-top: 3.2rem;
  padding-bottom: 3.2rem;
}

.page-about .region-banner__inner .block-head__title {
  margin-bottom: .8rem;
  max-width: 20ch;
}

.page-about .region-banner__lede {
  margin: 0;
  max-width: 58ch;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-about .region-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  padding-top: 2.4rem;
  padding-bottom: 3.2rem;
}

.page-about .region-lead {
  padding: 1.35rem 1.2rem 1.4rem;
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(18, 41, 74, .95), rgba(11, 27, 51, .95));
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--c-gold);
}

.page-about .region-lead__badge {
  display: inline-block;
  margin-bottom: .75rem;
  padding: .24rem .7rem;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--c-gold);
  border: 1px solid var(--line-gold);
  background: rgba(242, 193, 78, .1);
}

.page-about .region-lead__title {
  margin: 0 0 .7rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.15rem, 4.6vw, 1.45rem);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--c-gold);
}

.page-about .region-lead p {
  margin: 0 0 .8rem;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-about .region-lead p:last-child {
  margin-bottom: 0;
}

.page-about .region-cities__title {
  margin: 0 0 .5rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--c-chalk);
}

.page-about .region-cities__note {
  margin: 0 0 .9rem;
  font-size: .87rem;
  line-height: 1.7;
  color: var(--c-steel);
}

.page-about .city-rails {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-about .city-rail {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: .85rem 1rem;
  border-radius: var(--r-md);
  background: rgba(30, 42, 61, .72);
  border: 1px solid var(--line-soft);
}

.page-about .city-rail__city {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .92rem;
  letter-spacing: .04em;
  color: var(--c-neon);
}

.page-about .city-rail__desc {
  font-size: .86rem;
  line-height: 1.66;
  color: var(--ink-soft);
}

/* ---------- 赛季专题四段 ---------- */
.page-about .segments {
  display: grid;
  gap: .8rem;
}

.page-about .segment {
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  background: linear-gradient(150deg, rgba(18, 41, 74, .9), rgba(11, 27, 51, .92));
  overflow: hidden;
  transition: border-color .24s var(--ease);
}

.page-about .segment[open] {
  border-color: var(--line-gold);
}

.page-about .segment__sum {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
  transition: background .24s var(--ease);
}

.page-about .segment__sum::-webkit-details-marker {
  display: none;
}

.page-about .segment__sum:hover,
.page-about .segment__sum:focus-visible {
  background: rgba(242, 193, 78, .07);
}

.page-about .segment__sum:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: -2px;
}

.page-about .segment__idx {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--c-gold);
  padding: .22rem .62rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-gold);
  background: rgba(242, 193, 78, .09);
  flex: none;
}

.page-about .segment__lead {
  flex: 1 1 auto;
  min-width: 0;
  font-size: .95rem;
  font-weight: 600;
  color: var(--c-chalk);
  line-height: 1.5;
}

.page-about .segment__sum::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--c-steel);
  flex: none;
  transition: transform .24s var(--ease), color .24s var(--ease);
}

.page-about .segment[open] .segment__sum::after {
  content: "−";
  color: var(--c-gold);
}

.page-about .segment__body {
  padding: 0 1.1rem 1.15rem;
  border-top: 1px solid var(--line-soft);
}

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

/* ---------- 合作生态 ---------- */
.page-about .partner-grid {
  gap: 1rem;
}

.page-about .partner-card {
  position: relative;
  padding: 1.35rem 1.2rem 1.4rem;
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, rgba(18, 41, 74, .94), rgba(11, 27, 51, .95));
  border: 1px solid var(--line-soft);
}

.page-about .partner-card__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 3rem;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--c-gold);
  margin-bottom: .7rem;
}

.page-about .partner-card__title {
  margin: 0 0 .6rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--c-chalk);
}

.page-about .partner-card p {
  margin: 0 0 .9rem;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 阶段成果 ---------- */
.page-about .results-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
}

.page-about .results-copy__lede {
  margin: 0 0 1.5rem;
  font-size: .96rem;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 56ch;
}

.page-about .milestone-list {
  list-style: none;
  margin: 0 0 1.4rem;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-about .milestone {
  display: grid;
  grid-template-columns: 5.4rem minmax(0, 1fr);
  gap: .85rem;
  align-items: baseline;
  padding: .8rem .95rem;
  border-radius: var(--r-md);
  background: rgba(30, 42, 61, .68);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--c-signal);
}

.page-about .milestone__k {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: -.01em;
  color: var(--c-signal);
}

.page-about .milestone__v {
  font-size: .87rem;
  line-height: 1.7;
  color: var(--ink-soft);
  min-width: 0;
  overflow-wrap: break-word;
}

.page-about .next-plan {
  padding: 1.25rem 1.2rem 1.35rem;
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, rgba(14, 59, 46, .8), rgba(11, 27, 51, .94));
  border: 1px solid rgba(14, 59, 46, .9);
  border-top: 2px solid var(--c-neon);
}

.page-about .next-plan__title {
  margin: 0 0 .8rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--c-chalk);
}

.page-about .next-plan__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-about .next-plan__list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: .89rem;
  line-height: 1.74;
  color: var(--ink-soft);
}

.page-about .next-plan__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .42rem;
  height: .42rem;
  border-radius: 50%;
  background: var(--c-neon);
}

.page-about .results-fig {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--c-graphite);
  align-self: start;
}

.page-about .results-fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.85) brightness(.9);
}

.page-about .results-fig figcaption {
  padding: .8rem 1rem;
  font-size: .8rem;
  line-height: 1.64;
  color: var(--c-steel);
  border-top: 1px solid var(--line-soft);
  background: rgba(11, 27, 51, .92);
}

/* ---------- 继续了解 ---------- */
.page-about .about-next {
  padding-bottom: 4rem;
  border-top: 1px solid var(--line-soft);
}

.page-about .next-head {
  margin-bottom: 1.6rem;
  max-width: 60ch;
}

.page-about .next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: .85rem;
}

.page-about .next-card {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 1.2rem 1.15rem 1.25rem;
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, rgba(18, 41, 74, .9), rgba(11, 27, 51, .94));
  border: 1px solid var(--line-soft);
  text-decoration: none;
  transition: border-color .24s var(--ease), transform .24s var(--ease), background .24s var(--ease);
}

.page-about .next-card:hover,
.page-about .next-card:focus-visible {
  border-color: var(--c-gold);
  background: linear-gradient(155deg, rgba(242, 193, 78, .12), rgba(11, 27, 51, .95));
  transform: translateY(-3px);
}

.page-about .next-card:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: 2px;
}

.page-about .next-card--accent {
  border-left: 3px solid var(--c-signal);
}

.page-about .next-card__tag {
  font-family: var(--font-mono);
  font-size: .71rem;
  letter-spacing: .14em;
  color: var(--c-gold);
}

.page-about .next-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.04rem;
  line-height: 1.42;
  letter-spacing: -.01em;
  color: var(--c-chalk);
}

.page-about .next-card p {
  margin: 0;
  flex: 1 1 auto;
  font-size: .87rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-about .next-card__go {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .03em;
  color: var(--c-signal);
  padding-top: .55rem;
  border-top: 1px solid var(--line-soft);
}

.page-about .next-card:hover .next-card__go,
.page-about .next-card:focus-visible .next-card__go {
  color: var(--c-gold);
}

/* ---------- 揭示动效 ---------- */
.page-about [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

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

/* ---------- 媒体查询 ---------- */
@media (min-width: 640px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .shift-strip__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .7rem;
  }

  .page-about .shift-strip__list li {
    display: flex;
    flex-direction: column;
    gap: .25rem;
    padding: .7rem .8rem;
    border-radius: var(--r-md);
    background: rgba(11, 27, 51, .55);
    border: 1px solid var(--line-soft);
  }

  .page-about .shift-strip__list .num {
    margin-right: 0;
  }

  .page-about .season-card {
    flex-basis: 17.5rem;
  }

  .page-about .city-rail {
    flex-direction: row;
    align-items: baseline;
    gap: 1rem;
  }

  .page-about .city-rail__city {
    flex: none;
    min-width: 6.5rem;
  }

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

  .page-about .milestone {
    grid-template-columns: 6.2rem minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-about .wrap {
    padding: 0 1.6rem;
  }

  .page-about .about-hero {
    padding-top: 8.4rem;
    padding-bottom: 4rem;
  }

  .page-about .section {
    padding: 4.4rem 0;
  }

  .page-about .rail-wrap {
    padding: 0 1.6rem;
  }

  /* 时间线：左侧固定年份索引 */
  .page-about .tl__item {
    grid-template-columns: var(--about-year-col) minmax(0, 1fr);
    gap: 1.4rem;
    padding-left: 0;
  }

  .page-about .tl__item::before {
    left: calc(var(--about-year-col) + .5rem);
    top: .55rem;
    bottom: .55rem;
  }

  .page-about .tl__axis {
    position: sticky;
    top: 6.4rem;
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: .6rem;
  }

  .page-about .tl__year {
    font-size: 1rem;
  }

  .page-about .tl__card {
    padding: 1.4rem 1.5rem 1.5rem;
  }

  .page-about .tl__title {
    font-size: 1.16rem;
  }

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

  .page-about .team-grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    gap: 1.3rem;
  }

  .page-about .region-banner__inner {
    padding-top: 4.2rem;
    padding-bottom: 4.2rem;
  }

  .page-about .region-body {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 1.5rem;
    padding-top: 3.2rem;
    padding-bottom: 4.4rem;
  }

  .page-about .segments {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .95rem;
  }

  .page-about .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.3rem;
  }

  .page-about .partner-card__num {
    font-size: 3.6rem;
  }

  .page-about .results-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .85fr);
    gap: 2rem;
    align-items: start;
  }

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

  .page-about .about-next {
    padding-bottom: 5rem;
  }
}

@media (min-width: 1180px) {
  .page-about .about-hero__title {
    font-size: 3.5rem;
  }

  .page-about .results-fig img {
    min-height: 26rem;
    object-fit: cover;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-about .next-card,
  .page-about .segment,
  .page-about .segment__sum,
  .page-about .anchor-pill {
    transition: none;
  }

  .page-about .next-card:hover,
  .page-about .next-card:focus-visible {
    transform: none;
  }
}
<<<END>>>