.page-about {
  --ab-rail-w: 82px;
  --ab-gap: clamp(26px, 4vw, 58px);
  --ab-line: rgba(27, 23, 18, 0.13);
  background: var(--cream);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(155deg, var(--green-900) 0%, var(--green-950) 100%);
  color: var(--cream);
  padding: clamp(52px, 8vw, 112px) 0 clamp(76px, 10vw, 132px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(79, 227, 193, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(79, 227, 193, 0.07) 1px, transparent 1px);
  background-size: 58px 58px;
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(30px, 5vw, 56px);
  background: var(--cream);
  clip-path: polygon(0 100%, 100% 16%, 100% 100%);
}

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

.page-about .breadcrumbs {
  margin: 0 0 clamp(22px, 3.5vw, 34px);
}
.page-about .breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
}
.page-about .breadcrumbs li,
.page-about .breadcrumbs a {
  color: rgba(244, 236, 222, 0.66);
  text-decoration: none;
}
.page-about .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(244, 236, 222, 0.34);
}
.page-about .breadcrumbs a:hover {
  color: var(--mint);
}

.page-about .about-index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--flame);
}
.page-about .about-index::before {
  content: "";
  width: 24px;
  height: 2px;
  background: currentColor;
  flex: none;
}
.page-about .about-hero .about-index {
  color: var(--mint);
}

.page-about .about-hero__title {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  max-width: 15em;
  color: var(--cream);
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.85;
  color: rgba(244, 236, 222, 0.82);
}

.page-about .about-hero__facts {
  list-style: none;
  margin: clamp(30px, 4.5vw, 52px) 0 0;
  padding: clamp(20px, 2.8vw, 28px) 0 0;
  border-top: 1px solid rgba(79, 227, 193, 0.3);
  display: grid;
  gap: clamp(16px, 2.4vw, 30px);
}
@media (min-width: 620px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-about .about-hero__facts li {
  display: grid;
  gap: 8px;
  min-width: 0;
}
.page-about .about-hero__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.6vw, 46px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--mint);
}
.page-about .about-hero__unit {
  font-size: 0.46em;
  margin-left: 4px;
  color: var(--flame);
}
.page-about .about-hero__label {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(244, 236, 222, 0.68);
}

/* ---------- 外壳与左轨 ---------- */

.page-about .about-shell {
  max-width: var(--width);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(52px, 7vw, 96px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ab-gap);
}

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

@media (min-width: 1000px) {
  .page-about .about-shell {
    grid-template-columns: var(--ab-rail-w) minmax(0, 1fr);
    gap: clamp(26px, 3.4vw, 52px);
  }
  .page-about .about-rail {
    display: block;
    position: sticky;
    top: 104px;
    align-self: start;
  }
}

.page-about .about-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--green-700);
}
.page-about .about-rail__tick {
  position: relative;
  display: block;
  padding: 9px 6px 9px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: var(--gray);
  text-decoration: none;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-about .about-rail__tick::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 50%;
  width: 7px;
  height: 1px;
  background: currentColor;
  transform: translateY(-50%);
  transition: width var(--dur) var(--ease);
}
.page-about .about-rail__tick:hover,
.page-about .about-rail__tick:focus-visible,
.page-about .about-rail__tick[aria-current="true"] {
  color: var(--flame);
  transform: translateX(3px);
}
.page-about .about-rail__tick:hover::before,
.page-about .about-rail__tick:focus-visible::before,
.page-about .about-rail__tick[aria-current="true"]::before {
  width: 16px;
  background: var(--flame);
}

/* ---------- 区块骨架 ---------- */

.page-about .about-body {
  min-width: 0;
  display: grid;
  gap: clamp(8px, 1.6vw, 18px);
}

.page-about .about-sec {
  padding: clamp(34px, 5vw, 58px) 0;
  border-top: 1px solid var(--ab-line);
}
.page-about .about-sec:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-about .about-sec--last {
  padding-bottom: 0;
}

.page-about .about-sec__title {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  max-width: 22em;
  color: var(--green-900);
}

.page-about .about-lead {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  max-width: 60ch;
  font-size: clamp(16px, 1.7vw, 17.5px);
  line-height: 1.85;
  color: var(--ink);
}

.page-about .about-sec p {
  line-height: 1.85;
  max-width: 60ch;
}

.page-about .about-note {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--mint);
  font-size: 14.5px;
  line-height: 1.8;
  color: #4d463c;
}

/* ---------- 业务三支柱 ---------- */

.page-about .about-pillars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ab-line);
  border: 1px solid var(--ab-line);
}
@media (min-width: 780px) {
  .page-about .about-pillars {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-about .about-pillar {
  background: var(--paper);
  padding: clamp(20px, 2.8vw, 30px);
  display: grid;
  align-content: start;
  gap: 12px;
  min-width: 0;
  transition: background var(--dur) var(--ease);
}
.page-about .about-pillar:hover {
  background: #fff;
}
.page-about .about-pillar h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: 0.01em;
  line-height: 1.4;
  color: var(--green-900);
}
.page-about .about-pillar p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #4d463c;
}

/* ---------- 赛季刻度与演进 ---------- */

.page-about .epoch-ruler {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding: 0;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--green-700);
}
.page-about .epoch-ruler li {
  position: relative;
  padding-top: 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gray);
}
.page-about .epoch-ruler li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 8px;
  background: var(--green-700);
}

.page-about .epoch-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}
.page-about .epoch {
  position: relative;
  padding-left: clamp(18px, 3vw, 30px);
  border-left: 2px solid var(--green-700);
}
.page-about .epoch::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--flame);
  border: 3px solid var(--cream);
  box-sizing: border-box;
}
.page-about .epoch__index {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--flame);
}
.page-about .epoch__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 24px);
  line-height: 1.35;
  color: var(--green-900);
}
.page-about .epoch p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: #4d463c;
}

/* ---------- 团队 ---------- */

.page-about .about-team-grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 38px);
}
@media (min-width: 900px) {
  .page-about .about-team-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-about .media-frame {
  margin: 0;
  background: var(--green-950);
  border: 1px solid var(--green-700);
  padding: 6px;
  min-width: 0;
}
.page-about .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.92);
}
.page-about .media-frame__caption {
  display: block;
  margin-top: 8px;
  padding: 0 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: rgba(244, 236, 222, 0.7);
}

.page-about .team-bars {
  display: grid;
  gap: 12px;
  min-width: 0;
}
.page-about .team-bar {
  padding: 14px 16px 16px;
  background: var(--paper);
  border: 1px solid var(--ab-line);
  min-width: 0;
  transition: border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}
.page-about .team-bar:hover {
  border-color: var(--mint);
  transform: translateX(4px);
  box-shadow: -3px 0 0 0 var(--mint);
}
.page-about .team-bar__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.page-about .team-bar__name {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--green-900);
}
.page-about .team-bar__num {
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1;
  color: var(--flame);
}
.page-about .team-bar__track {
  display: block;
  height: 7px;
  margin: 12px 0 0;
  background: rgba(27, 23, 18, 0.09);
  overflow: hidden;
}
.page-about .team-bar__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--green-700), var(--mint));
  transition: width var(--dur) var(--ease);
}
.page-about .team-bar__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--gray);
  transition: color var(--dur) var(--ease);
}
.page-about .team-bar:hover .team-bar__note {
  color: #3d382f;
}

/* ---------- 场馆 ---------- */

.page-about .about-venue-grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}
@media (min-width: 900px) {
  .page-about .about-venue-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }
}
.page-about .about-venue__text {
  min-width: 0;
}
.page-about .about-venue__text p {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-size: 15.5px;
  line-height: 1.85;
  color: #3d382f;
}

.page-about .venue-fields {
  list-style: none;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-about .venue-fields li {
  padding: 7px 14px;
  border: 1px solid var(--green-700);
  background: var(--paper);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--green-900);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}
.page-about .venue-fields li:hover {
  background: var(--green-900);
  border-color: var(--green-900);
  color: var(--mint);
}

/* ---------- 覆盖规模 ---------- */

.page-about .reach-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ab-line);
  border: 1px solid var(--ab-line);
}
@media (min-width: 620px) {
  .page-about .reach-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1040px) {
  .page-about .reach-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-about .reach-cell {
  background: var(--paper);
  padding: clamp(18px, 2.6vw, 28px);
  display: grid;
  gap: 10px;
  align-content: start;
  min-width: 0;
  transition: background var(--dur) var(--ease);
}
.page-about .reach-cell:hover {
  background: #fff;
}
.page-about .reach-cell__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.4vw, 44px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--green-900);
}
.page-about .reach-cell__num em {
  font-style: normal;
  font-size: 0.46em;
  margin-left: 4px;
  color: var(--flame);
}
.page-about .reach-cell__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gray);
}

/* ---------- 合作与荣誉 ---------- */

.page-about .about-partner-grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}
@media (min-width: 900px) {
  .page-about .about-partner-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
  }
}
.page-about .about-partner__text {
  min-width: 0;
}
.page-about .about-partner__text p {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-size: 15.5px;
  line-height: 1.85;
  color: #3d382f;
}

.page-about .honor-tags {
  list-style: none;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-about .honor-tag {
  position: relative;
  padding: 10px 16px;
  background: var(--green-900);
  border: 1px solid var(--green-900);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--cream);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}
.page-about .honor-tag:hover,
.page-about .honor-tag:focus-visible {
  outline: none;
  background: var(--mint);
  border-color: var(--mint);
  color: var(--green-950);
}
.page-about .honor-tag::after {
  content: attr(data-hint);
  position: absolute;
  left: 0;
  top: calc(100% + 9px);
  padding: 7px 11px;
  min-width: max-content;
  max-width: 260px;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.5;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-5px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  z-index: 4;
}
.page-about .honor-tag:hover::after,
.page-about .honor-tag:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 服务承诺 ---------- */

.page-about .about-service {
  background: linear-gradient(150deg, var(--green-900) 0%, var(--green-950) 100%);
  border-left: 4px solid var(--mint);
  padding: clamp(24px, 3.6vw, 42px);
  display: grid;
  gap: clamp(22px, 3vw, 32px);
  min-width: 0;
}

.page-about .service-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(79, 227, 193, 0.18);
}
@media (min-width: 760px) {
  .page-about .service-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-about .service-list li {
  background: var(--green-900);
  padding: 14px 16px;
  display: grid;
  gap: 6px;
  min-width: 0;
}
.page-about .service-list__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mint);
}
.page-about .service-list__v {
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(244, 236, 222, 0.9);
  word-break: break-word;
}

.page-about .about-service__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-about .about-service .btn--ghost {
  color: var(--cream);
  border-color: rgba(244, 236, 222, 0.42);
}
.page-about .about-service .btn--ghost:hover,
.page-about .about-service .btn--ghost:focus-visible {
  color: var(--green-950);
  background: var(--mint);
  border-color: var(--mint);
}

/* ---------- 响应式收口 ---------- */

@media (max-width: 480px) {
  .page-about .epoch-ruler li {
    font-size: 10px;
    letter-spacing: 0.04em;
  }
  .page-about .honor-tag::after {
    max-width: 200px;
    white-space: normal;
  }
  .page-about .about-service__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<END>>>