.page-about {
  --about-rail: 208px;
  --about-head: 118px;
  display: block;
  min-width: 0;
  color: var(--cream);
  background:
    radial-gradient(120% 55% at 88% 0%, rgba(63, 90, 70, .3) 0%, transparent 62%),
    var(--carbon);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background-color: var(--carbon);
}

.page-about .about-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: 62% 42%;
  opacity: .42;
  filter: saturate(.6) contrast(1.12);
}

.page-about .about-hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(14, 18, 16, .78) 0%, rgba(14, 18, 16, .88) 52%, var(--carbon) 100%),
    linear-gradient(100deg, rgba(14, 18, 16, .92) 0%, rgba(14, 18, 16, .34) 74%);
}

.page-about .about-hero__rings {
  position: absolute;
  z-index: 1;
  top: -24%;
  right: -14%;
  width: clamp(280px, 54vw, 700px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  pointer-events: none;
  opacity: .55;
  background: repeating-radial-gradient(circle at 50% 50%, rgba(184, 115, 51, .3) 0 1.5px, transparent 1.5px 26px);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 28%, transparent 72%);
  mask-image: radial-gradient(circle at 50% 50%, #000 28%, transparent 72%);
}

.page-about .about-hero__ghost {
  position: absolute;
  z-index: 1;
  right: clamp(-24px, -1.6vw, 0px);
  bottom: -.16em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(120px, 30vw, 340px);
  line-height: .76;
  letter-spacing: -.05em;
  color: rgba(244, 241, 232, .05);
  -webkit-text-stroke: 1.5px rgba(184, 115, 51, .48);
  transform: rotate(-3deg);
  pointer-events: none;
  user-select: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(64px, 9vw, 118px);
}

.page-about .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-about .about-hero__eyebrow {
  margin: 0;
}

.page-about .about-hero__title {
  margin: clamp(14px, 2.2vw, 24px) 0 0;
  max-width: 12.5em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.4vw, 76px);
  line-height: 1.03;
  letter-spacing: -.02em;
  color: var(--cream);
  transform: rotate(-1.2deg);
  transform-origin: left center;
}

.page-about .about-hero__lede {
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  max-width: 60ch;
  color: var(--text-soft);
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.78;
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  max-width: 760px;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-about .about-fact {
  background: rgba(14, 18, 16, .74);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  padding: 14px 16px 16px;
  transition: background var(--ease);
}

.page-about .about-fact:hover {
  background: rgba(198, 255, 61, .08);
}

.page-about .about-fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--copper);
}

.page-about .about-fact dd {
  margin: 8px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 700;
  color: var(--cream);
}

/* ---------- 主体双栏 ---------- */
.page-about .about-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  padding-top: clamp(44px, 6vw, 84px);
  padding-bottom: clamp(56px, 8vw, 110px);
}

/* ---------- 赛季时间轴 ---------- */
.page-about .season-rail {
  min-width: 0;
  padding-top: 16px;
  border-top: 1px solid var(--copper);
}

.page-about .season-rail__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--copper);
}

.page-about .season-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-about .season-rail__item {
  flex: 0 0 auto;
}

.page-about .season-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  color: var(--text-mute);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}

.page-about .season-rail__link:hover,
.page-about .season-rail__link:focus-visible {
  color: var(--cream);
  border-color: var(--lime-line);
  background: var(--lime-soft);
  outline: none;
}

.page-about .season-rail__year {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--copper);
}

.page-about .season-rail__label {
  font-size: 14px;
  font-weight: 600;
}

/* ---------- 长文流 ---------- */
.page-about .about-flow {
  display: flex;
  flex-direction: column;
  gap: clamp(46px, 6vw, 86px);
  min-width: 0;
}

.page-about .about-chapter {
  min-width: 0;
  scroll-margin-top: var(--about-head);
}

.page-about .about-chapter__title {
  margin: 12px 0 0;
  max-width: 22em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--cream);
  transform: rotate(-.8deg);
  transform-origin: left center;
}

.page-about .about-chapter__body {
  margin-top: clamp(16px, 2.2vw, 24px);
  max-width: 66ch;
  color: var(--text-soft);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
}

.page-about .about-chapter__body p {
  margin: 0 0 1em;
}

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

.page-about .about-chapter__body strong {
  color: var(--cream);
  font-weight: 700;
}

/* ---------- 图片 ---------- */
.page-about .about-figure {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  background-color: var(--stand);
}

.page-about .about-figure__caption {
  display: block;
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--rock);
}

/* ---------- 位置条 ---------- */
.page-about .pos-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  list-style: none;
}

.page-about .pos-strip__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  background: var(--stand);
  transition: background var(--ease);
}

.page-about .pos-strip__item:hover {
  background: var(--moss);
}

.page-about .pos-strip__num {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--copper);
}

.page-about .pos-strip__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--cream);
}

/* ---------- 流程三步 ---------- */
.page-about .flow-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  list-style: none;
}

.page-about .flow-steps__item {
  padding: 20px 18px 22px;
  background: var(--stand);
}

.page-about .flow-steps__idx {
  display: block;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-about .flow-steps__title {
  margin: 12px 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--cream);
}

.page-about .flow-steps__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-mute);
}

/* ---------- 青训阶梯 ---------- */
.page-about .youth-ladder {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  list-style: none;
}

.page-about .youth-ladder__item {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--stand);
  transition: background var(--ease);
}

.page-about .youth-ladder__item:hover {
  background: var(--stand-2);
}

.page-about .youth-ladder__item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--copper), transparent);
}

.page-about .youth-ladder__range {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--copper);
}

.page-about .youth-ladder__name {
  margin: 12px 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--cream);
}

.page-about .youth-ladder__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-mute);
}

/* ---------- 版本卡 ---------- */
.page-about .version-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-about .version-card {
  position: relative;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(33, 42, 37, .62), rgba(14, 18, 16, .6));
  -webkit-backdrop-filter: blur(7px);
  backdrop-filter: blur(7px);
  transition: border-color var(--ease), transform var(--ease), background var(--ease);
}

.page-about .version-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--copper), transparent);
}

.page-about .version-card:hover,
.page-about .version-card:focus-within {
  border-color: var(--lime-line);
  background: linear-gradient(180deg, rgba(63, 90, 70, .5), rgba(14, 18, 16, .6));
  transform: translateY(-2px);
}

.page-about .version-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-about .version-card__tag {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--lime);
}

.page-about .version-card__title {
  margin: 14px 0 8px;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--cream);
}

.page-about .version-card__text {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-mute);
}

/* ---------- 合作与认可 ---------- */
.page-about .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  list-style: none;
}

.page-about .partner-grid__item {
  padding: 22px 18px 24px;
  background: var(--moss);
  transition: background var(--ease);
}

.page-about .partner-grid__item:hover {
  background: var(--stand-2);
}

.page-about .partner-grid__num {
  display: block;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-about .partner-grid__title {
  margin: 12px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--cream);
}

.page-about .partner-grid__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-about .honor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .honor-list__item {
  padding: 9px 14px;
  border: 1px solid rgba(184, 115, 51, .55);
  color: var(--cream);
  font-size: 12px;
  letter-spacing: .06em;
  background: rgba(184, 115, 51, .1);
  transition: background var(--ease), border-color var(--ease);
}

.page-about .honor-list__item:hover {
  background: rgba(184, 115, 51, .22);
  border-color: var(--copper);
}

/* ---------- 收尾 CTA ---------- */
.page-about .about-cta {
  position: relative;
  overflow: hidden;
  margin-top: clamp(22px, 3vw, 32px);
  padding: clamp(24px, 3.6vw, 42px);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(63, 90, 70, .58), rgba(14, 18, 16, .88) 64%);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.page-about .about-cta::after {
  content: "";
  position: absolute;
  right: -64px;
  bottom: -84px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  pointer-events: none;
  opacity: .6;
  background: repeating-radial-gradient(circle at 50% 50%, rgba(184, 115, 51, .32) 0 1.5px, transparent 1.5px 18px);
}

.page-about .about-cta__text {
  position: relative;
  z-index: 1;
  max-width: 62ch;
  color: var(--text-soft);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
}

.page-about .about-cta__text p {
  margin: 0 0 1em;
}

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

.page-about .about-cta__links {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-about .about-cta__links .m8-btn {
  text-decoration: none;
}

/* ---------- 平板 ---------- */
@media (min-width: 620px) {
  .page-about .pos-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-about .flow-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

/* ---------- 桌面：左窄右宽 ---------- */
@media (min-width: 1024px) {
  .page-about .about-body {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
  }

  .page-about .season-rail {
    position: sticky;
    top: 108px;
    align-self: start;
    padding-top: 0;
    border-top: none;
  }

  .page-about .season-rail__title {
    padding-bottom: 12px;
    border-bottom: 1px solid var(--copper);
  }

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

  .page-about .season-rail__item {
    flex: 0 0 auto;
  }

  .page-about .season-rail__link {
    position: relative;
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
    min-width: 0;
    padding: 10px 8px 10px 16px;
    border: none;
    border-left: 1px solid var(--line);
    white-space: normal;
    background: transparent;
  }

  .page-about .season-rail__link::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--lime);
    transform: scaleY(0);
    transform-origin: top center;
    transition: transform var(--ease);
  }

  .page-about .season-rail__link:hover,
  .page-about .season-rail__link:focus-visible {
    border-left-color: var(--lime-line);
    background: linear-gradient(90deg, var(--lime-soft), transparent);
  }

  .page-about .season-rail__link:hover::before,
  .page-about .season-rail__link:focus-visible::before {
    transform: scaleY(1);
  }

  .page-about .about-hero__inner {
    padding-bottom: clamp(78px, 8vw, 130px);
  }
}

@media (min-width: 1280px) {
  .page-about {
    --about-rail: 236px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .season-rail__link,
  .page-about .season-rail__link::before,
  .page-about .version-card,
  .page-about .about-fact,
  .page-about .pos-strip__item,
  .page-about .youth-ladder__item,
  .page-about .partner-grid__item,
  .page-about .honor-list__item {
    transition: color .01ms linear, background-color .01ms linear, border-color .01ms linear;
  }

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