.page-about {
  --about-axis: 16px;
  --about-stage-gap: 48px;
  --about-panel-bg: linear-gradient(158deg, rgba(27, 36, 80, 0.78) 0%, rgba(11, 26, 47, 0.66) 100%);
}

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

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  padding: 34px 0 42px;
  display: grid;
  gap: 20px;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(120% 140% at 6% 0%, rgba(0, 229, 255, 0.20), transparent 58%),
    linear-gradient(118deg, rgba(138, 43, 226, 0.30) 0%, rgba(27, 36, 80, 0.44) 46%, rgba(11, 26, 47, 0) 80%);
  clip-path: polygon(0 0, 100% 0, 100% 74%, 0 100%);
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 6.2vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  font-weight: 800;
  margin: 0;
  max-width: 20ch;
  color: var(--ink);
}

.page-about .about-hero__lede {
  font-family: var(--font-body);
  font-size: clamp(0.98rem, 2.2vw, 1.12rem);
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 64ch;
  margin: 0;
}

.page-about .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 6px;
}

.page-about .hero-stat {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  background: linear-gradient(160deg, rgba(27, 36, 80, 0.72), rgba(11, 26, 47, 0.34));
}

.page-about .hero-stat__value {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(1.45rem, 4.4vw, 2rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-about .hero-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-about .hero-stat:nth-child(2) .hero-stat__value { color: var(--violet); }
.page-about .hero-stat:nth-child(3) .hero-stat__value { color: var(--orange); }
.page-about .hero-stat:nth-child(4) .hero-stat__value { color: var(--emerald); }

/* ---------- 时间轨道 ---------- */
.page-about .about-journey {
  padding-top: 8px;
}

.page-about .journey {
  position: relative;
  list-style: none;
  margin: 28px 0 0;
  padding: 8px 0 0;
}

.page-about .journey::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--about-axis);
  width: 2px;
  transform: translateX(-1px);
  background: linear-gradient(180deg,
    rgba(0, 229, 255, 0) 0%,
    rgba(0, 229, 255, 0.55) 6%,
    rgba(138, 43, 226, 0.50) 56%,
    rgba(0, 229, 255, 0) 100%);
}

.page-about .stage {
  position: relative;
  padding-left: 46px;
  padding-bottom: 34px;
}

.page-about .stage:last-child {
  padding-bottom: 4px;
}

.page-about .stage__node {
  position: absolute;
  left: var(--about-axis);
  top: 30px;
  width: 13px;
  height: 13px;
  margin-left: -6.5px;
  border-radius: 50%;
  background: var(--star-800);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.75);
  z-index: 1;
}

.page-about .stage__panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px 18px 20px;
  background: var(--about-panel-bg);
  box-shadow: -12px 16px 44px -30px rgba(0, 229, 255, 0.75);
}

.page-about .stage--flip .stage__panel {
  box-shadow: 12px 16px 44px -30px rgba(138, 43, 226, 0.85);
}

.page-about .stage__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.page-about .stage__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(2.6rem, 9vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
  text-shadow: 0 0 26px rgba(0, 229, 255, 0.38);
}

.page-about .stage--flip .stage__num {
  color: #b98cff;
  text-shadow: 0 0 26px rgba(138, 43, 226, 0.42);
}

.page-about .stage__title {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3.4vw, 1.5rem);
  line-height: 1.3;
  font-weight: 700;
  color: var(--ink);
}

.page-about .stage__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 46ch;
}

.page-about .stage__media {
  margin: 16px 0 0;
}

.page-about .stage__link {
  margin: 14px 0 0;
  font-size: 0.88rem;
}

.page-about .stage__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(0, 229, 255, 0.45);
  padding-bottom: 1px;
}

.page-about .stage__link a:hover,
.page-about .stage__link a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--cyan);
}

.page-about .stage__more {
  margin-top: 16px;
}

.page-about .stage__more > summary {
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.page-about .stage__more-label {
  color: var(--cyan);
  font-size: 0.86rem;
  letter-spacing: 0.07em;
  font-weight: 500;
}

.page-about .stage__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .stage__list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--ink-soft);
}

.page-about .stage__list li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 0.68em;
  width: 9px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-about .stage--flip .stage__list li::before {
  background: var(--violet);
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  padding-top: 46px;
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 22px;
}

.page-about .about-team__copy .prose {
  max-width: 62ch;
}

.page-about .shift-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .shift-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 14px;
  border-left: 2px solid var(--cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(27, 36, 80, 0.48);
}

.page-about .shift-list__key {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-about .shift-list__val {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

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

/* ---------- 合作生态（酒红分区） ---------- */
.page-about .about-partners {
  margin-top: 48px;
  padding: 30px 20px 34px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 120% at 92% 0%, rgba(255, 107, 53, 0.16), transparent 60%),
    linear-gradient(150deg, rgba(58, 16, 48, 0.92) 0%, rgba(27, 36, 80, 0.72) 100%);
  border: 1px solid rgba(255, 107, 53, 0.22);
}

.page-about .about-partners__head {
  display: grid;
  gap: 8px;
}

.page-about .about-partners .lede {
  max-width: 54ch;
}

.page-about .partner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 24px;
}

.page-about .partner-card {
  padding: 18px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(232, 244, 255, 0.14);
  background: rgba(11, 26, 47, 0.55);
}

.page-about .partner-card__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.9rem, 6vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-about .partner-card--award .partner-card__num {
  color: var(--orange);
}

.page-about .partner-card__title {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-about .partner-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 下一步 ---------- */
.page-about .about-next {
  margin-top: 42px;
  padding-bottom: 16px;
}

.page-about .about-next__inner {
  position: relative;
  padding: 26px 22px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(100% 160% at 100% 0%, rgba(0, 229, 255, 0.14), transparent 62%),
    linear-gradient(140deg, rgba(27, 36, 80, 0.72), rgba(11, 26, 47, 0.5));
}

.page-about .about-next h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3.6vw, 1.7rem);
  line-height: 1.28;
  font-weight: 700;
  color: var(--ink);
}

.page-about .about-next p {
  margin: 0;
  max-width: 60ch;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-about .about-next__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}

.page-about .about-next__link {
  font-size: 0.88rem;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 1px;
}

.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .shift-list li {
    grid-template-columns: 108px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }

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

  .page-about .about-partners {
    padding: 38px 32px 42px;
  }
}

@media (min-width: 900px) {
  .page-about .journey {
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-about .journey::before {
    left: 50%;
  }

  .page-about .stage {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--about-stage-gap);
    padding-left: 0;
    padding-bottom: 56px;
  }

  .page-about .stage__node {
    left: 50%;
    top: 34px;
  }

  .page-about .stage__panel {
    grid-column: 1;
    grid-row: 1;
  }

  .page-about .stage--flip .stage__panel {
    grid-column: 2;
  }

  .page-about .stage__panel {
    padding: 22px 24px 24px;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
    align-items: start;
    margin-top: 26px;
  }

  .page-about .about-team__media {
    position: sticky;
    top: 92px;
  }

  .page-about .about-next__inner {
    padding: 34px 36px 36px;
  }
}

@media (min-width: 1200px) {
  .page-about .about-hero {
    padding: 46px 0 54px;
  }

  .page-about .stage__panel {
    padding: 26px 28px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .stage__panel,
  .page-about .stage__node {
    transition: none;
  }
}
<<<END>>>