.page-about {
  --about-gap: clamp(14px, 2vw, 24px);
  --about-border: rgba(124, 247, 212, 0.16);
  --about-border-strong: rgba(124, 247, 212, 0.34);
  --about-surface: rgba(10, 36, 30, 0.66);
  color: var(--paper);
}

.page-about .about-crumbs {
  padding-top: clamp(14px, 3vw, 26px);
}

.page-about .about-head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3vw, 36px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 56px) 0 clamp(30px, 5vw, 60px);
}

.page-about .about-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-about .about-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: saturate(0.85) contrast(1.06);
}

.page-about .about-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(124, 247, 212, 0.18), transparent 60%),
    linear-gradient(180deg, rgba(4, 18, 15, 0.62) 0%, rgba(4, 18, 15, 0.9) 58%, var(--ink-900) 100%);
}

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

.page-about .about-hero__inner h1 {
  margin: 10px 0 0;
  max-width: 22ch;
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.03em;
}

.page-about .about-hero__lead {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 64ch;
  font-size: clamp(0.95rem, 1.5vw, 1.0625rem);
  line-height: 1.78;
  color: rgba(233, 255, 249, 0.82);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 2.6vw, 28px);
}

/* ---------- 三块概览 ---------- */
.page-about .about-bento {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--about-gap);
  margin-top: clamp(30px, 4.5vw, 52px);
}

.page-about .about-bento__cell {
  display: grid;
  gap: 8px;
  padding: clamp(18px, 2.2vw, 26px);
  border-top: 2px solid var(--mint);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-bento__cell--start {
  border-top-color: var(--mint);
}

.page-about .about-bento__cell--now {
  border-top-color: var(--signal);
}

.page-about .about-bento__cell--next {
  border-top-color: var(--amber);
}

.page-about .about-bento__kicker {
  margin: 0;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-about .about-bento__num {
  margin: 0;
  font-size: clamp(2.1rem, 4.4vw, 3rem);
  line-height: 1;
  color: var(--mint);
}

.page-about .about-bento__cell--now .about-bento__num {
  color: var(--signal);
}

.page-about .about-bento__cell--next .about-bento__num {
  color: var(--amber);
}

.page-about .about-bento__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(233, 255, 249, 0.78);
}

/* ---------- 三条线 ---------- */
.page-about .about-lanes {
  border-top: 1px solid var(--line-soft);
}

.page-about .lane-stack {
  display: grid;
  gap: var(--about-gap);
}

.page-about .lane {
  position: relative;
  display: grid;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 30px);
  border: 1px solid var(--about-border);
  border-radius: var(--r-lg);
  background: linear-gradient(105deg, rgba(18, 59, 49, 0.92) 0%, rgba(10, 36, 30, 0.58) 100%);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .lane::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background: linear-gradient(120deg, transparent 0%, rgba(124, 247, 212, 0.1) 100%);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.6;
  pointer-events: none;
}

.page-about .lane--basket::after {
  background: linear-gradient(120deg, transparent 0%, rgba(255, 200, 87, 0.12) 100%);
}

.page-about .lane--cup::after {
  background: linear-gradient(120deg, transparent 0%, rgba(255, 107, 44, 0.14) 100%);
}

.page-about .lane__num {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--mint-dim);
}

.page-about .lane__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
}

.page-about .lane__head h3 {
  margin: 0;
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-about .lane__tag {
  margin: 0;
  padding: 3px 9px;
  border: 1px solid var(--about-border-strong);
  border-radius: 999px;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--mint);
}

.page-about .lane--basket .lane__tag {
  border-color: rgba(255, 200, 87, 0.42);
  color: var(--amber);
}

.page-about .lane--cup .lane__tag {
  border-color: rgba(255, 107, 44, 0.42);
  color: var(--signal);
}

.page-about .lane__body {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 66ch;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: rgba(233, 255, 249, 0.8);
}

/* ---------- 四道环节 ---------- */
.page-about .about-flow {
  border-top: 1px solid var(--line-soft);
}

.page-about .about-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 40px);
  align-items: start;
}

.page-about .flow-svg {
  display: none;
  width: 100%;
  height: 32px;
  margin: 0 0 18px;
}

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

.page-about .flow-step {
  position: relative;
  padding: 16px 18px 16px 58px;
  border-left: 2px solid rgba(124, 247, 212, 0.26);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: var(--about-surface);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-about .flow-step__idx {
  position: absolute;
  left: 16px;
  top: 16px;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--mint-dim);
}

.page-about .flow-step__title {
  margin: 0 0 6px;
  font-size: 1.0625rem;
  font-weight: 700;
}

.page-about .flow-step__body {
  margin: 0;
  max-width: 60ch;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(233, 255, 249, 0.78);
}

.page-about .about-flow__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--about-border);
}

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

.page-about .about-flow__caption {
  padding: 10px 14px 12px;
  font-size: 0.75rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--muted);
  background: rgba(4, 18, 15, 0.7);
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  border-top: 1px solid var(--line-soft);
}

.page-about .team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--about-gap);
}

.page-about .team-card {
  display: grid;
  gap: 8px;
  padding: clamp(20px, 2.4vw, 30px);
  border: 1px solid var(--about-border);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(18, 59, 49, 0.96) 0%, rgba(4, 18, 15, 0.72) 100%);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .team-card__num {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  line-height: 1;
  color: var(--mint);
}

.page-about .team-card--amber .team-card__num {
  color: var(--amber);
}

.page-about .team-card--signal .team-card__num {
  color: var(--signal);
}

.page-about .team-card__role {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-about .team-card__body {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.76;
  color: rgba(233, 255, 249, 0.78);
}

.page-about .team-note {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  max-width: 72ch;
  padding-left: 14px;
  border-left: 2px solid var(--mint-dim);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(233, 255, 249, 0.82);
}

/* ---------- 合作生态 ---------- */
.page-about .about-eco {
  border-top: 1px solid var(--line-soft);
}

.page-about .about-eco__media {
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--about-border);
}

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

.page-about .eco-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--about-gap);
}

.page-about .eco-card {
  position: relative;
  display: grid;
  gap: 6px;
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--about-border);
  border-radius: var(--r-md);
  background: rgba(10, 36, 30, 0.55);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.page-about .eco-card__num {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.1;
  color: var(--mint);
}

.page-about .eco-card__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.page-about .eco-card__body {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.72;
  color: rgba(233, 255, 249, 0.76);
}

.page-about .eco-tag {
  justify-self: start;
  margin-top: 4px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid rgba(0, 184, 148, 0.4);
  background: rgba(0, 184, 148, 0.12);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--mint);
  opacity: 0.9;
  transition: opacity var(--dur) var(--ease), background var(--dur) var(--ease);
}

/* ---------- 里程碑 ---------- */
.page-about .about-miles {
  border-top: 1px solid var(--line-soft);
}

.page-about .ms-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .ms-list::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--mint) 0%, rgba(0, 184, 148, 0.5) 52%, rgba(255, 107, 44, 0.55) 100%);
}

.page-about .ms-item {
  position: relative;
  padding: 14px 0 14px 38px;
}

.page-about .ms-item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 22px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--mint);
  background: var(--ink-900);
}

.page-about .ms-item--now::before {
  border-color: var(--signal);
  background: var(--signal);
}

.page-about .ms-year {
  margin: 0 0 8px;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: var(--mint);
}

.page-about .ms-item--now .ms-year {
  color: var(--signal);
}

.page-about .ms-card {
  padding: clamp(14px, 1.8vw, 20px);
  border: 1px solid var(--about-border);
  border-radius: var(--r-md);
  background: var(--glass-soft);
  backdrop-filter: blur(6px);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-about .ms-card__title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
}

.page-about .ms-card__body {
  margin: 0;
  max-width: 62ch;
  font-size: 0.875rem;
  line-height: 1.74;
  color: rgba(233, 255, 249, 0.78);
}

/* ---------- 收尾 ---------- */
.page-about .about-cta {
  border-top: 1px solid var(--line-soft);
}

.page-about .about-cta__inner {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
  padding: clamp(24px, 3.4vw, 44px);
  border: 1px solid var(--about-border-strong);
  border-radius: var(--r-lg);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 107, 44, 0.16), transparent 62%),
    linear-gradient(120deg, rgba(18, 59, 49, 0.92), rgba(4, 18, 15, 0.82));
}

.page-about .about-cta__title {
  margin: 0 0 8px;
  font-size: clamp(1.35rem, 2.8vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-about .about-cta__text p {
  margin: 0;
  max-width: 58ch;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: rgba(233, 255, 249, 0.8);
}

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

/* ---------- 交互状态 ---------- */
.page-about .lane:hover,
.page-about .team-card:hover,
.page-about .eco-card:hover,
.page-about .about-bento__cell:hover {
  transform: translateY(-3px);
  border-color: var(--about-border-strong);
}

.page-about .eco-card:hover {
  background: rgba(18, 59, 49, 0.9);
}

.page-about .eco-card:hover .eco-tag {
  opacity: 1;
  background: rgba(0, 184, 148, 0.24);
}

.page-about .flow-step:hover,
.page-about .flow-step:focus-visible {
  background: rgba(18, 59, 49, 0.9);
  border-left-color: var(--mint);
}

.page-about .ms-item:hover .ms-card,
.page-about .ms-item:focus-within .ms-card {
  border-color: var(--about-border-strong);
  background: rgba(18, 59, 49, 0.82);
}

.page-about .flow-step:focus-visible,
.page-about .lane a:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

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

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

@media (min-width: 820px) {
  .page-about .about-bento {
    grid-template-columns: 1fr 1.16fr 1fr;
  }

  .page-about .lane {
    grid-template-columns: 74px minmax(0, 1fr) minmax(0, 1.35fr);
    align-items: center;
    gap: 18px;
  }

  .page-about .lane__num {
    font-size: 0.8125rem;
  }

  .page-about .lane__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-about .about-flow__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
  }

  .page-about .flow-svg {
    display: block;
  }

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

  .page-about .ms-list::before {
    left: 118px;
  }

  .page-about .ms-item {
    padding: 16px 0 16px 156px;
  }

  .page-about .ms-item::before {
    left: 111px;
    top: 24px;
  }

  .page-about .ms-year {
    position: absolute;
    left: 0;
    top: 22px;
    width: 98px;
    margin: 0;
    text-align: right;
    font-size: 0.9375rem;
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-about .about-cta__links {
    justify-content: flex-end;
  }
}

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

@media (hover: none) {
  .page-about .eco-tag {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .lane,
  .page-about .team-card,
  .page-about .eco-card,
  .page-about .about-bento__cell,
  .page-about .flow-step,
  .page-about .ms-card,
  .page-about .eco-tag {
    transition: none;
  }

  .page-about .lane:hover,
  .page-about .team-card:hover,
  .page-about .eco-card:hover,
  .page-about .about-bento__cell:hover {
    transform: none;
  }
}
<<<PAGE_CSS_DONE>>>
<<<END>>>