.page-about{
  --about-gap: clamp(16px, 2.4vw, 24px);
  --about-r: var(--r-md);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-about .crumb{
  margin-top: clamp(14px, 2vw, 24px);
}

.page-about img{
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero{
  padding-top: clamp(18px, 3vw, 40px);
}

.page-about .about-hero__inner{
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

@media (min-width: 1024px){
  .page-about .about-hero__inner{
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    align-items: end;
  }
}

.page-about .about-hero__title{
  margin: 12px 0 0;
  font-size: clamp(34px, 5.6vw, 64px);
  line-height: 1.03;
  letter-spacing: -.035em;
  font-weight: 900;
  color: var(--c-ink);
}

.page-about .about-hero__title::after{
  content: "";
  display: block;
  width: clamp(56px, 9vw, 92px);
  height: 6px;
  margin-top: clamp(16px, 2.4vw, 24px);
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--c-lime), var(--c-orange));
}

.page-about .about-hero__lead .lede{
  margin-top: clamp(16px, 2.4vw, 22px);
}

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

.page-about .about-fig{
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 16px 18px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--about-r);
}

.page-about .about-fig::after{
  content: "";
  position: absolute;
  inset: auto -20% -60% auto;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200,255,61,.16), transparent 68%);
  pointer-events: none;
}

.page-about .about-fig__num{
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.035em;
  color: var(--c-lime);
}

.page-about .about-fig__num em{
  font-style: normal;
  font-size: .66em;
  color: var(--c-orange);
}

.page-about .about-fig__label{
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-muted);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline__visual{
  margin: clamp(22px, 3.2vw, 36px) 0 0;
}

.page-about .timeline{
  position: relative;
  margin: clamp(28px, 4vw, 52px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .timeline::before{
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg,
    rgba(200,255,61,.85),
    rgba(255,106,43,.55) 55%,
    rgba(42,52,66,.15));
}

.page-about .timeline__item{
  position: relative;
  padding: clamp(18px, 3vw, 26px) 0 clamp(18px, 3vw, 26px) clamp(28px, 5vw, 46px);
}

.page-about .timeline__item::before{
  content: "";
  position: absolute;
  left: 1px;
  top: clamp(24px, 3.4vw, 34px);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-lime);
  box-shadow: 0 0 0 4px rgba(200,255,61,.12), 0 0 16px rgba(200,255,61,.45);
}

.page-about .timeline__item::after{
  content: "";
  position: absolute;
  left: clamp(28px, 5vw, 46px);
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--c-line);
  opacity: .6;
}

.page-about .timeline__item:last-child::after{
  display: none;
}

.page-about .timeline__year{
  display: inline-flex;
  align-items: center;
  margin: 0 0 10px;
  padding: 4px 13px;
  border-radius: var(--r-pill);
  background: var(--c-lime-dim);
  border: 1px solid rgba(200,255,61,.3);
  color: var(--c-lime);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
}

.page-about .timeline__year .num{
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-about .timeline__body h3{
  margin: 0 0 8px;
  font-size: clamp(19px, 2.2vw, 24px);
  letter-spacing: -.015em;
  color: var(--c-ink);
}

.page-about .timeline__body p{
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
}

@media (min-width: 1024px){
  .page-about .timeline__item:nth-child(odd) .timeline__body{
    max-width: 640px;
  }

  .page-about .timeline__item:nth-child(even) .timeline__body{
    max-width: 600px;
    padding: 20px 26px 22px;
    background: var(--c-panel);
    border: 1px solid var(--c-line);
    border-radius: var(--about-r);
  }
}

/* ---------- 内容主张 ---------- */
.page-about .about-idea__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
  margin-top: clamp(22px, 3vw, 36px);
}

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

  .page-about .about-idea__card:nth-child(2){ margin-top: 22px; }
  .page-about .about-idea__card:nth-child(3){ margin-top: 44px; }
}

.page-about .about-idea__card{
  padding: clamp(20px, 2.6vw, 26px);
  border-radius: var(--about-r);
}

.page-about .about-idea__k{
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(32px, 4.2vw, 46px);
  font-weight: 700;
  line-height: .9;
  letter-spacing: -.04em;
  color: var(--c-lime);
}

.page-about .about-idea__card:nth-child(2) .about-idea__k{ color: var(--c-orange); }

.page-about .about-idea__card h3{
  margin: 0 0 10px;
  font-size: clamp(17px, 1.8vw, 20px);
  letter-spacing: -.01em;
  color: var(--c-ink);
}

.page-about .about-idea__card p{
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
}

/* ---------- 团队分工 ---------- */
.page-about .about-team__inner{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
}

@media (min-width: 1024px){
  .page-about .about-team__inner{
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

.page-about .about-team__intro .lede{
  margin-top: 14px;
}

.page-about .about-team__visual{
  margin-top: clamp(18px, 3vw, 28px);
  max-width: 420px;
}

.page-about .roles{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 640px){
  .page-about .roles{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.page-about .about-role{
  position: relative;
  overflow: hidden;
  padding: 20px 20px 22px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--about-r);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.page-about .about-role::before{
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-lime), rgba(200,255,61,0) 72%);
  opacity: .75;
}

.page-about .about-role:hover,
.page-about .about-role:focus-within{
  transform: translateY(-4px);
  border-color: rgba(200,255,61,.5);
  box-shadow: var(--shadow);
}

.page-about .about-role__top{
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 0 0 10px;
}

.page-about .about-role__count{
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 3.4vw, 36px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--c-lime);
}

.page-about .about-role__unit{
  font-size: 13px;
  color: var(--c-muted);
}

.page-about .about-role__name{
  margin: 0 0 8px;
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--c-ink);
}

.page-about .about-role__desc{
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
}

/* ---------- 出稿流程 ---------- */
.page-about .flowpath{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
  margin: clamp(24px, 3.4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
}

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

@media (min-width: 1180px){
  .page-about .flowpath{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.page-about .flowpath__step{
  padding: 20px 20px 22px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--about-r);
}

.page-about .flowpath__step--lime{
  border-color: rgba(200,255,61,.42);
  background: linear-gradient(180deg, rgba(38,54,15,.55), var(--c-panel) 68%);
}

.page-about .flowpath__step--orange{
  border-color: rgba(255,106,43,.42);
  background: linear-gradient(180deg, rgba(255,106,43,.12), var(--c-panel) 68%);
}

.page-about .flowpath__head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.page-about .flowpath__idx{
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--c-blue);
}

.page-about .flowpath__time{
  padding: 3px 10px;
  border-radius: var(--r-pill);
  background: var(--c-raise);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 700;
  color: var(--c-lime);
}

.page-about .flowpath__step--orange .flowpath__time{ color: var(--c-orange); }

.page-about .flowpath__step h3{
  margin: 0 0 8px;
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--c-ink);
}

.page-about .flowpath__step p{
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
}

/* ---------- 赛季节奏 ---------- */
.page-about .about-cadence__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 38px);
  margin-top: clamp(22px, 3vw, 36px);
}

@media (min-width: 960px){
  .page-about .about-cadence__grid{
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
  }
}

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

.page-about .cadence{
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .cadence__row{
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: baseline;
  gap: 12px;
  padding: 14px 18px;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
}

.page-about .cadence__key{
  font-size: 15px;
  color: var(--c-text);
}

.page-about .cadence__val{
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-lime);
}

.page-about .cadence__unit{
  font-size: 13px;
  color: var(--c-muted);
  white-space: nowrap;
}

/* ---------- 合作与认可 ---------- */
.page-about .about-partners__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
  margin-top: clamp(20px, 3vw, 32px);
}

@media (min-width: 900px){
  .page-about .about-partners__grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-partners__main{ grid-row: span 2; }
}

.page-about .about-partners__main{
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(24px, 3.4vw, 36px);
  border-radius: var(--r-lg);
}

.page-about .about-partners__num{
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(52px, 8vw, 88px);
  font-weight: 700;
  line-height: .86;
  letter-spacing: -.05em;
  color: var(--c-lime);
}

.page-about .about-partners__main h3{
  margin: 0 0 12px;
  font-size: clamp(19px, 2.2vw, 24px);
  letter-spacing: -.015em;
  color: var(--c-ink);
}

.page-about .about-partners__main p{
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text);
}

.page-about .about-partners__side{
  padding: clamp(20px, 2.6vw, 26px);
  border-radius: var(--about-r);
}

.page-about .about-partners__side h3{
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.45;
  letter-spacing: -.01em;
  color: var(--c-ink);
}

.page-about .about-partners__side p{
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
}

/* ---------- 下一步 ---------- */
.page-about .about-next__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 2.8vw, 30px);
  margin-top: clamp(20px, 3vw, 32px);
}

@media (min-width: 760px){
  .page-about .about-next__grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .about-next__item{
  padding: 4px 0 4px 18px;
  border-left: 2px solid var(--c-line);
}

.page-about .about-next__item h3{
  margin: 0 0 8px;
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--c-ink);
}

.page-about .about-next__item p{
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-text);
}

.page-about .about-next__item a{
  color: var(--c-lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-next__item a:hover{
  color: var(--c-orange);
}

.page-about .about-cta{
  display: grid;
  gap: 18px;
  margin-top: clamp(30px, 4.4vw, 52px);
  padding: clamp(22px, 3.4vw, 36px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 160% at 100% 0%, rgba(200,255,61,.16), transparent 62%),
    linear-gradient(140deg, var(--c-raise), var(--c-panel));
}

@media (min-width: 760px){
  .page-about .about-cta{
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

.page-about .about-cta__text{
  margin: 0;
  font-size: clamp(18px, 2.2vw, 23px);
  font-weight: 700;
  letter-spacing: -.015em;
  line-height: 1.4;
  color: var(--c-ink);
}

.page-about .about-cta__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (prefers-reduced-motion: reduce){
  .page-about .about-role{
    transition: none;
  }

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