.page-about {
  --about-gold: var(--vine-gold);
  --about-jade: var(--vine-jade);
  --about-cyan: var(--vine-cyan);
  --about-line: rgba(196, 181, 214, .22);
  --about-card-bg: #ffffff;
  background: var(--vine-cream);
  color: var(--vine-ink);
  display: block;
  overflow-x: hidden;
}

/* ---------- Hero ---------- */

.page-about .about-hero {
  position: relative;
  padding: clamp(22px, 4.5vw, 48px) 0 clamp(56px, 8vw, 104px);
  background:
    radial-gradient(120% 78% at 88% 6%, rgba(139, 92, 246, .42), transparent 58%),
    radial-gradient(90% 72% at 6% 96%, rgba(16, 185, 129, .22), transparent 62%),
    linear-gradient(155deg, #1B0E2A 0%, #291040 52%, #3A1468 100%);
  color: var(--vine-cream);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(114deg, rgba(245, 197, 66, .07) 0 1px, transparent 1px 46px);
  opacity: .85;
  pointer-events: none;
}

.page-about .about-hero > .vine-shell {
  position: relative;
  z-index: 1;
}

.page-about .about-hero .vine-crumbs {
  color: rgba(250, 247, 242, .62);
}

.page-about .about-hero .vine-crumbs__item {
  color: inherit;
  text-decoration: none;
}

.page-about .about-hero .vine-crumbs__item[aria-current="page"] {
  color: var(--vine-gold);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(28px, 4.5vw, 52px);
  margin-top: clamp(28px, 4.5vw, 52px);
}

.page-about .about-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--vine-font-body);
  font-size: 13px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--vine-gold);
}

.page-about .about-hero__kicker::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 2px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--vine-gold);
  border-radius: 2px;
}

.page-about .about-hero h1 {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  font-family: var(--vine-font-display);
  font-weight: 900;
  font-size: clamp(34px, 5.4vw, 62px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--vine-cream);
  max-width: 16ch;
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-family: var(--vine-font-body);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.85;
  color: rgba(250, 247, 242, .82);
}

.page-about .about-hero__panel {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid rgba(245, 197, 66, .26);
  border-radius: var(--vine-radius-organic);
  background: linear-gradient(165deg, rgba(139, 92, 246, .2), rgba(16, 185, 129, .1));
  backdrop-filter: blur(2px);
}

.page-about .about-hero__panel-label {
  margin: 0 0 4px;
  font-family: var(--vine-font-body);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--vine-mist);
}

.page-about .about-hero__stats {
  margin: 0;
  display: grid;
  gap: 2px;
}

.page-about .about-stat {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(196, 181, 214, .2);
}

.page-about .about-stat:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-about .about-stat dt {
  font-family: var(--vine-font-body);
  font-size: 13.5px;
  color: var(--vine-mist);
  letter-spacing: .04em;
}

.page-about .about-stat dd {
  margin: 0;
  font-family: var(--vine-font-display);
  font-weight: 900;
  font-size: clamp(26px, 2.8vw, 34px);
  line-height: 1;
  color: var(--vine-gold);
  letter-spacing: -.02em;
}

.page-about .about-stat dd span {
  margin-left: 4px;
  font-family: var(--vine-font-body);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .08em;
  color: rgba(250, 247, 242, .72);
}

/* ---------- 通用章节头部 ---------- */

.page-about .about-head {
  max-width: 62ch;
  margin: 0 0 clamp(26px, 4vw, 44px);
}

.page-about .about-head h2 {
  margin: 10px 0 14px;
  font-family: var(--vine-font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.3vw, 40px);
  line-height: 1.24;
  color: var(--vine-plum);
  letter-spacing: -.01em;
}

.page-about .about-head__sub {
  margin: 0;
  font-family: var(--vine-font-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: #4A3462;
}

/* ---------- 时间轴 ---------- */

.page-about .about-timeline {
  background: linear-gradient(178deg, #ffffff 0%, var(--vine-cream) 74%);
  padding: clamp(52px, 7vw, 92px) 0;
}

.page-about .about-roots {
  margin: 0 0 clamp(34px, 5vw, 54px);
  position: relative;
}

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

.page-about .about-roots .vine-media__tag {
  background: linear-gradient(135deg, #1B0E2A, #3A1468);
  color: var(--vine-gold);
  border: 1px solid rgba(245, 197, 66, .4);
}

.page-about .about-timeline__list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 10px 0 0;
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-about .about-timeline__list::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 20px;
  bottom: 22px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--about-jade) 0%, var(--vine-neon) 48%, var(--about-gold) 100%);
  opacity: .55;
}

.page-about .about-tl__item {
  position: relative;
  padding-left: 46px;
}

.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 20px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--vine-cream);
  border: 2px solid var(--about-jade);
  box-shadow: 0 0 0 5px rgba(16, 185, 129, .14);
  z-index: 1;
}

.page-about .about-tl__item--now::before {
  background: var(--vine-gold);
  border-color: var(--vine-gold);
  box-shadow: 0 0 0 5px rgba(245, 197, 66, .2);
}

.page-about .about-tl__details {
  border: 1px solid var(--about-line);
  border-radius: var(--vine-radius-card);
  background: var(--about-card-bg);
  box-shadow: 0 22px 46px -40px rgba(27, 14, 42, .6);
  transition: border-color .25s ease, transform .25s ease;
}

.page-about .about-tl__details[open] {
  border-color: rgba(139, 92, 246, .42);
}

.page-about .about-tl__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 16px;
  padding: clamp(16px, 2.4vw, 22px) clamp(18px, 2.6vw, 26px);
  cursor: pointer;
  list-style: none;
  position: relative;
}

.page-about .about-tl__summary::-webkit-details-marker { display: none; }

.page-about .about-tl__summary::after {
  content: "+";
  position: absolute;
  right: clamp(16px, 2.4vw, 24px);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--vine-font-body);
  font-size: 20px;
  line-height: 1;
  color: var(--vine-neon);
  transition: transform .25s ease, color .25s ease;
}

.page-about .about-tl__details[open] .about-tl__summary::after {
  content: "−";
  color: var(--vine-jade);
  transform: translateY(-50%) rotate(180deg);
}

.page-about .about-tl__year {
  font-family: var(--vine-font-body);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--vine-jade-deep);
  padding: 3px 10px;
  border-radius: var(--vine-radius-pill);
  background: rgba(16, 185, 129, .1);
  white-space: nowrap;
}

.page-about .about-tl__item--now .about-tl__year {
  color: #7A5C05;
  background: rgba(245, 197, 66, .22);
}

.page-about .about-tl__title {
  font-family: var(--vine-font-display);
  font-weight: 700;
  font-size: clamp(17px, 1.9vw, 21px);
  line-height: 1.4;
  color: var(--vine-ink);
  padding-right: 34px;
}

.page-about .about-tl__body {
  padding: 0 clamp(18px, 2.6vw, 26px) clamp(18px, 2.4vw, 24px);
}

.page-about .about-tl__body p {
  margin: 0;
  font-family: var(--vine-font-body);
  font-size: 15.5px;
  line-height: 1.88;
  color: #4A3462;
}

/* ---------- 团队 ---------- */

.page-about .about-team {
  padding: clamp(52px, 7vw, 92px) 0;
  background: linear-gradient(180deg, #F4EEFA 0%, #EDE4F7 100%);
}

.page-about .about-head--team h2 { color: var(--vine-plum); }

.page-about .about-team__media {
  margin: 0 0 clamp(26px, 3.6vw, 38px);
  max-width: 720px;
}

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

.page-about .about-team__rail {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 4px 4px 20px;
  margin: 0 -4px;
}

.page-about .about-team__rail::-webkit-scrollbar { height: 6px; }
.page-about .about-team__rail::-webkit-scrollbar-thumb {
  background: rgba(139, 92, 246, .35);
  border-radius: 6px;
}

.page-about .about-team__card {
  flex: 0 0 min(300px, 80vw);
  scroll-snap-align: start;
  padding: clamp(22px, 3vw, 28px);
  background: var(--about-card-bg);
  border: 1px solid var(--about-line);
  border-radius: var(--vine-radius-card);
  box-shadow: 0 24px 50px -42px rgba(27, 14, 42, .68);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform .28s ease, border-color .28s ease;
}

.page-about .about-team__card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, .4);
}

.page-about .about-team__icon {
  display: block;
  width: 40px;
  height: 40px;
  border-radius: 12px 4px 12px 4px;
  background: linear-gradient(140deg, rgba(139, 92, 246, .2), rgba(91, 33, 182, .08));
  border: 1px solid rgba(139, 92, 246, .3);
  position: relative;
}

.page-about .about-team__icon::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 2px solid var(--vine-neon);
  border-radius: 3px;
  border-right: 0;
  border-bottom: 0;
}

.page-about .about-team__icon--jade {
  background: linear-gradient(140deg, rgba(16, 185, 129, .22), rgba(4, 120, 87, .1));
  border-color: rgba(16, 185, 129, .34);
}
.page-about .about-team__icon--jade::after { border-color: var(--vine-jade); }

.page-about .about-team__icon--gold {
  background: linear-gradient(140deg, rgba(245, 197, 66, .26), rgba(212, 160, 23, .12));
  border-color: rgba(245, 197, 66, .42);
}
.page-about .about-team__icon--gold::after { border-color: var(--vine-gold-deep); }

.page-about .about-team__icon--cyan {
  background: linear-gradient(140deg, rgba(34, 211, 238, .22), rgba(34, 211, 238, .06));
  border-color: rgba(34, 211, 238, .36);
}
.page-about .about-team__icon--cyan::after { border-color: var(--vine-cyan); }

.page-about .about-team__card h3 {
  margin: 0;
  font-family: var(--vine-font-display);
  font-weight: 700;
  font-size: 18.5px;
  line-height: 1.4;
  color: var(--vine-ink);
}

.page-about .about-team__card p {
  margin: 0;
  font-family: var(--vine-font-body);
  font-size: 14.5px;
  line-height: 1.85;
  color: #4A3462;
}

/* ---------- 质检 ---------- */

.page-about .about-quality {
  padding: clamp(52px, 7vw, 92px) 0;
  background: linear-gradient(180deg, var(--vine-cream) 0%, #FBF4E8 100%);
}

.page-about .about-qa__stack {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: qa;
}

.page-about .about-qa__layer {
  position: relative;
  padding: clamp(22px, 3vw, 32px);
  background: var(--about-card-bg);
  border: 1px solid var(--about-line);
  border-radius: var(--vine-radius-card);
  box-shadow: 0 26px 52px -44px rgba(27, 14, 42, .66);
}

.page-about .about-qa__layer:nth-child(1) { border-left: 4px solid var(--vine-jade); }
.page-about .about-qa__layer:nth-child(2) { border-left: 4px solid var(--vine-neon); }
.page-about .about-qa__layer:nth-child(3) { border-left: 4px solid var(--about-gold); }

.page-about .about-qa__no {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--vine-font-body);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--vine-mist);
  color: #7A5C8F;
}

.page-about .about-qa__layer h3 {
  margin: 0 0 10px;
  font-family: var(--vine-font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
  color: var(--vine-plum);
}

.page-about .about-qa__layer p {
  margin: 0;
  font-family: var(--vine-font-body);
  font-size: 15px;
  line-height: 1.88;
  color: #4A3462;
}

/* ---------- 合作 ---------- */

.page-about .about-partners {
  padding: clamp(52px, 7vw, 92px) 0;
  background:
    radial-gradient(70% 60% at 92% 12%, rgba(16, 185, 129, .14), transparent 62%),
    linear-gradient(168deg, #1B0E2A 0%, #2A1140 60%, #3A1468 100%);
  color: var(--vine-cream);
}

.page-about .about-partners__grid {
  display: grid;
  gap: clamp(28px, 4.5vw, 50px);
  align-items: center;
}

.page-about .about-partners__copy h2 {
  margin: 10px 0 18px;
  font-family: var(--vine-font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1.24;
  color: var(--vine-cream);
}

.page-about .about-partners__copy p {
  margin: 0 0 16px;
  font-family: var(--vine-font-body);
  font-size: 15.5px;
  line-height: 1.88;
  color: rgba(250, 247, 242, .82);
  max-width: 58ch;
}

.page-about .about-partners__links {
  margin-top: 22px;
}

.page-about .about-partners .vine-btn--ghost {
  color: var(--vine-gold);
  border-color: rgba(245, 197, 66, .5);
}

.page-about .about-partners__media {
  margin: 0 auto;
  max-width: 420px;
  width: 100%;
}

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

/* ---------- 路线图 ---------- */

.page-about .about-roadmap {
  padding: clamp(52px, 7vw, 96px) 0;
  background: linear-gradient(180deg, #ffffff 0%, var(--vine-cream) 100%);
}

.page-about .about-roadmap__list {
  list-style: none;
  margin: 0 0 clamp(30px, 4vw, 48px);
  padding: 0;
  display: grid;
  gap: 0;
}

.page-about .about-roadmap__row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px 22px;
  align-items: start;
  padding: clamp(20px, 2.6vw, 28px) 0;
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-roadmap__row:first-child {
  border-top: 1px solid var(--about-line);
}

.page-about .about-roadmap__idx {
  font-family: var(--vine-font-display);
  font-weight: 900;
  font-size: clamp(24px, 2.8vw, 32px);
  line-height: 1;
  color: var(--vine-gold-deep);
  letter-spacing: -.02em;
  min-width: 2.4ch;
}

.page-about .about-roadmap__txt h3 {
  margin: 0 0 8px;
  font-family: var(--vine-font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--vine-plum);
}

.page-about .about-roadmap__txt p {
  margin: 0;
  font-family: var(--vine-font-body);
  font-size: 15px;
  line-height: 1.88;
  color: #4A3462;
}

.page-about .about-roadmap__cta {
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--vine-radius-organic);
  background: linear-gradient(150deg, rgba(139, 92, 246, .12), rgba(16, 185, 129, .1) 62%, rgba(245, 197, 66, .12));
  border: 1px solid rgba(139, 92, 246, .22);
  display: grid;
  gap: 18px;
}

.page-about .about-roadmap__cta p {
  margin: 0;
  font-family: var(--vine-font-body);
  font-size: 15.5px;
  line-height: 1.8;
  color: #3E2A56;
  max-width: 60ch;
}

.page-about .about-roadmap__btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-roadmap__btns .vine-btn {
  flex: 1 1 auto;
  min-width: 150px;
  text-align: center;
  justify-content: center;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .9fr);
    align-items: end;
  }

  .page-about .about-partners__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-about .about-qa__stack {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
    gap: 18px;
  }

  .page-about .about-qa__layer + .about-qa__layer {
    margin-top: 0;
  }

  .page-about .about-qa__layer:nth-child(2) { transform: translateY(-16px); }
  .page-about .about-qa__layer:nth-child(3) { transform: translateY(-32px); }
}

@media (min-width: 960px) {
  .page-about .about-team__rail {
    overflow: visible;
    padding-bottom: 4px;
    margin: 0;
  }

  .page-about .about-team__card {
    flex: 1 1 0;
  }

  .page-about .about-team__card:nth-child(even) {
    transform: translateY(16px);
  }

  .page-about .about-team__card:hover {
    transform: translateY(-2px);
  }

  .page-about .about-team__card:nth-child(even):hover {
    transform: translateY(14px);
  }

  .page-about .about-roadmap__row {
    grid-template-columns: 4.5rem 1fr;
    gap: 12px 32px;
  }

  .page-about .about-roadmap__cta {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .page-about .about-roadmap__btns {
    flex-wrap: nowrap;
  }
}
<<<END>>>