.page-about {
  --about-line: rgba(201, 210, 206, .18);
  --about-line-strong: rgba(201, 210, 206, .32);
  --about-ink: #F4F1E9;
  display: block;
  font-family: var(--font-sans);
  line-height: 1.75;
}

.page-about .mono-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-turf);
}

.page-about .about-head {
  max-width: 60ch;
}

.page-about .about-head .section__title {
  margin: .55rem 0 0;
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  line-height: 1.25;
  letter-spacing: -.015em;
}

.page-about .about-head .section__lead {
  margin: .9rem 0 0;
  font-size: 16px;
  line-height: 1.78;
}

.page-about .about-crumb {
  padding-top: clamp(1rem, 3vw, 1.7rem);
  padding-bottom: clamp(.6rem, 2vw, 1rem);
}

.page-about .frame {
  position: relative;
  overflow: hidden;
  margin: 0;
  border-radius: var(--radius-l);
  border: 1px solid var(--about-line);
  background: linear-gradient(140deg, rgba(14, 46, 42, .92), rgba(11, 26, 43, .92));
}

.page-about .frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-about .frame__caption {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: .02em;
  opacity: .7;
  margin-top: .7rem;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(2.4rem, 7vw, 5rem) 0 clamp(3rem, 9vw, 6rem);
  color: var(--about-ink);
  background:
    radial-gradient(120% 90% at 86% 4%, rgba(23, 194, 106, .2), transparent 58%),
    linear-gradient(158deg, var(--c-night) 0%, #0a1626 52%, var(--c-stand) 100%);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: auto -14% -22% auto;
  width: min(540px, 68vw);
  aspect-ratio: 1;
  background: linear-gradient(140deg, rgba(23, 194, 106, .24), rgba(245, 165, 36, .1));
  clip-path: polygon(30% 0, 100% 14%, 100% 100%, 0 82%);
}

.page-about .about-hero__inner {
  display: grid;
  gap: clamp(1.8rem, 5vw, 3rem);
  align-items: end;
}

.page-about .about-hero__lead {
  margin: 1rem 0 0;
  font-size: clamp(15.5px, 2.6vw, 17px);
  line-height: 1.8;
  color: rgba(244, 241, 233, .82);
  max-width: 62ch;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: clamp(1.4rem, 4vw, 2.1rem);
}

.page-about .about-hero__board {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: clamp(1.2rem, 4vw, 1.8rem);
  border: 1px solid var(--about-line-strong);
  border-radius: var(--radius-l);
  background: rgba(11, 26, 43, .6);
}

.page-about .about-hero__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(4.4rem, 15vw, 7.5rem);
  line-height: .86;
  letter-spacing: -.05em;
  color: var(--c-turf);
}

.page-about .about-hero__unit {
  font-size: 15px;
  letter-spacing: .04em;
  color: rgba(244, 241, 233, .8);
}

.page-about .about-hero__rule {
  width: 46%;
  height: 3px;
  margin: .7rem 0 .3rem;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-amber), rgba(245, 165, 36, 0));
}

.page-about .about-hero__sub {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-mist);
}

/* ---------- 浅色叙述区共用 ---------- */
.page-about .about-timeline,
.page-about .about-assure {
  --about-line: rgba(11, 26, 43, .14);
  --about-line-strong: rgba(11, 26, 43, .26);
  background: var(--c-paper);
  color: var(--c-night);
  padding: clamp(3rem, 9vw, 6rem) 0;
}

.page-about .about-timeline .mono-label,
.page-about .about-assure .mono-label {
  color: var(--c-stand);
}

/* ---------- 赛季时间轴 ---------- */
.page-about .tl {
  position: relative;
  list-style: none;
  margin: clamp(2rem, 6vw, 3.2rem) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(1rem, 3vw, 1.5rem);
}

.page-about .tl::before {
  content: "";
  position: absolute;
  left: 9px;
  top: .8rem;
  bottom: .8rem;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--c-turf), rgba(23, 194, 106, .12));
}

.page-about .tl__item {
  position: relative;
  padding-left: 2.4rem;
}

.page-about .tl__node {
  position: absolute;
  left: 3px;
  top: 1.1rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--c-paper);
  border: 2px solid var(--c-turf);
  box-shadow: 0 0 0 4px rgba(23, 194, 106, .16);
}

.page-about .tl__card {
  border: 1px solid var(--about-line);
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, .6);
  padding: clamp(1rem, 3vw, 1.5rem);
}

.page-about .tl__title {
  margin: .5rem 0 .55rem;
  font-size: clamp(1.15rem, 3.4vw, 1.4rem);
  line-height: 1.35;
  letter-spacing: -.01em;
}

.page-about .tl__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(11, 26, 43, .78);
}

.page-about .about-archive {
  display: grid;
  gap: clamp(1.5rem, 5vw, 2.6rem);
  align-items: center;
  margin-top: clamp(2.6rem, 7vw, 4rem);
}

.page-about .about-archive__fig {
  aspect-ratio: 4 / 3;
}

.page-about .about-archive__fig img {
  height: auto;
  aspect-ratio: 4 / 3;
}

.page-about .about-archive__fig .frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: .7rem 1rem;
  color: var(--about-ink);
  background: linear-gradient(0deg, rgba(11, 26, 43, .82), rgba(11, 26, 43, 0));
  opacity: 1;
}

.page-about .about-archive__title {
  margin: .5rem 0 0;
  font-size: clamp(1.35rem, 4vw, 1.8rem);
  line-height: 1.3;
  letter-spacing: -.015em;
}

.page-about .about-archive__list {
  margin: 1.2rem 0 0;
  display: grid;
  gap: .9rem;
}

.page-about .about-archive__list div {
  display: grid;
  gap: .35rem;
  padding-bottom: .9rem;
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-archive__list dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .07em;
  color: var(--c-stand);
}

.page-about .about-archive__list dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(11, 26, 43, .78);
}

/* ---------- 赛事覆盖 ---------- */
.page-about .about-cover {
  position: relative;
  overflow: hidden;
  padding: clamp(3rem, 9vw, 6rem) 0;
  color: var(--about-ink);
  background: linear-gradient(180deg, var(--c-stand) 0%, #0a2422 100%);
}

.page-about .about-cover__ridge {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: clamp(110px, 20vw, 210px);
  fill: rgba(23, 194, 106, .09);
  pointer-events: none;
}

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

.page-about .about-cover .section__lead {
  color: rgba(244, 241, 233, .78);
}

.page-about .about-cover__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(1.8rem, 5vw, 2.6rem);
  border: 1px solid rgba(244, 241, 233, .14);
  border-radius: var(--radius-l);
  background: rgba(244, 241, 233, .14);
  overflow: hidden;
}

.page-about .about-cover__stats .stat {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: clamp(1rem, 3.5vw, 1.5rem);
  background: rgba(11, 26, 43, .58);
}

.page-about .about-cover__stats .stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.9rem, 6vw, 2.8rem);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--c-turf);
}

.page-about .about-cover__stats .stat__label {
  font-size: 13px;
  letter-spacing: .03em;
  color: rgba(244, 241, 233, .72);
}

.page-about .about-cover__fig {
  margin-top: clamp(1.8rem, 5vw, 2.6rem);
  aspect-ratio: 12 / 7;
  border-color: rgba(244, 241, 233, .16);
}

.page-about .about-cover__fig .frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: .7rem 1rem;
  color: var(--about-ink);
  background: linear-gradient(0deg, rgba(11, 26, 43, .84), rgba(11, 26, 43, 0));
  opacity: 1;
}

/* ---------- 四个更新波次 ---------- */
.page-about .about-waves {
  padding: clamp(3rem, 9vw, 6rem) 0;
  color: var(--about-ink);
  background: linear-gradient(180deg, var(--c-night) 0%, #081421 100%);
}

.page-about .about-waves .section__lead,
.page-about .about-team .section__lead {
  color: rgba(244, 241, 233, .76);
}

.page-about .about-waves__panel {
  margin-top: clamp(1.6rem, 4vw, 2.2rem);
}

.page-about .about-waves__filters,
.page-about .about-team__filters {
  margin-bottom: clamp(1.1rem, 3vw, 1.6rem);
}

.page-about .about-waves__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid rgba(244, 241, 233, .13);
  border-radius: var(--radius-l);
  background: rgba(244, 241, 233, .13);
  overflow: hidden;
}

.page-about .about-waves__item {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: clamp(1.1rem, 3.5vw, 1.6rem);
  background: rgba(11, 26, 43, .68);
  border-top: 3px solid transparent;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-about .about-waves__item:hover {
  border-top-color: var(--c-amber);
  background: rgba(16, 36, 56, .82);
}

.page-about .about-waves__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-amber);
}

.page-about .about-waves__name {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.35;
  letter-spacing: -.01em;
}

.page-about .about-waves__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 241, 233, .76);
}

/* ---------- 团队分工 ---------- */
.page-about .about-team {
  padding: clamp(3rem, 9vw, 6rem) 0;
  color: var(--about-ink);
  background: linear-gradient(180deg, var(--c-stand) 0%, var(--c-night) 100%);
}

.page-about .about-team__panel {
  margin-top: clamp(1.6rem, 4vw, 2.2rem);
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid rgba(244, 241, 233, .13);
  border-radius: var(--radius-l);
  background: rgba(244, 241, 233, .13);
  overflow: hidden;
}

.page-about .about-team__card {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: clamp(1.2rem, 4vw, 1.7rem);
  background: linear-gradient(180deg, rgba(122, 34, 51, .34), rgba(11, 26, 43, .7));
  border-top: 3px solid var(--c-wine);
  transition: background var(--t-fast) var(--ease);
}

.page-about .about-team__card:hover {
  background: linear-gradient(180deg, rgba(122, 34, 51, .5), rgba(11, 26, 43, .78));
}

.page-about .about-team__count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.1rem, 6vw, 2.9rem);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--c-amber-pale);
}

.page-about .about-team__name {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.35;
}

.page-about .about-team__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 241, 233, .76);
}

.page-about .about-team__fig {
  margin-top: clamp(1.8rem, 5vw, 2.6rem);
  aspect-ratio: 3 / 2;
  border-color: rgba(244, 241, 233, .16);
}

.page-about .about-team__fig .frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: .7rem 1rem;
  color: var(--about-ink);
  background: linear-gradient(0deg, rgba(11, 26, 43, .86), rgba(11, 26, 43, 0));
  opacity: 1;
}

/* ---------- 资料准确性 ---------- */
.page-about .about-assure__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 3vw, 1.4rem);
  margin-top: clamp(1.8rem, 5vw, 2.6rem);
}

.page-about .about-assure__item {
  padding: clamp(1.1rem, 3.5vw, 1.5rem);
  border: 1px solid var(--about-line);
  border-left: 3px solid var(--c-board);
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, .58);
}

.page-about .about-assure__item h3 {
  margin: 0 0 .5rem;
  font-size: 1.08rem;
  line-height: 1.35;
}

.page-about .about-assure__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(11, 26, 43, .78);
}

.page-about .about-partner {
  margin-top: clamp(2.2rem, 6vw, 3.4rem);
  padding: clamp(1.4rem, 4vw, 2.2rem);
  border-radius: var(--radius-l);
  border-left: 4px solid var(--c-amber);
  color: var(--about-ink);
  background: linear-gradient(140deg, var(--c-indigo) 0%, #1d1a3c 100%);
}

.page-about .about-partner__title {
  margin: .5rem 0 .6rem;
  font-size: clamp(1.2rem, 3.6vw, 1.5rem);
  line-height: 1.35;
}

.page-about .about-partner__text {
  margin: 0 0 1.1rem;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(244, 241, 233, .8);
  max-width: 66ch;
}

.page-about .about-partner__link {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--c-amber-pale);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 231, 184, .5);
  padding-bottom: 2px;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-about .about-partner__link:hover {
  color: var(--c-neon);
  border-bottom-color: var(--c-neon);
}

/* ---------- 服务时间 ---------- */
.page-about .about-service {
  padding: clamp(2.8rem, 8vw, 5rem) 0 clamp(3.4rem, 9vw, 6rem);
  color: var(--about-ink);
  background: linear-gradient(180deg, #081421 0%, var(--c-night) 100%);
}

.page-about .about-service__inner {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.4rem);
  align-items: center;
}

.page-about .about-service__text {
  margin: .9rem 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(244, 241, 233, .78);
  max-width: 60ch;
}

.page-about .about-service__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-about .about-assure__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.7fr) minmax(230px, .75fr);
  }

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

  .page-about .about-archive__list div {
    grid-template-columns: 5.2rem minmax(0, 1fr);
    align-items: baseline;
    gap: .9rem;
  }

  .page-about .about-service__inner {
    grid-template-columns: minmax(0, 1.6fr) auto;
    justify-content: space-between;
  }

  .page-about .about-service__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 1080px) {
  .page-about .about-team__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .about-waves__list > .is-hidden + .about-waves__item {
    border-left: 0;
  }
}

@media (min-width: 1080px) {
  .page-about .about-waves__list {
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  }
}
<<<END>>>