.page-about {
  --about-hair: rgba(246, 243, 236, 0.16);
  --about-hair-dark: rgba(10, 14, 26, 0.14);
  --about-panel: rgba(43, 64, 122, 0.3);
  --about-fold: rgba(246, 243, 236, 0.05);
}

/* ---------- 面包屑 ---------- */
.page-about .jz-path {
  padding-top: 22px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-top: 20px;
  padding-bottom: 48px;
}

.page-about .about-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: center;
}

.page-about .about-hero__title {
  margin: 12px 0 18px;
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.page-about .about-hero__lede {
  max-width: 46ch;
  color: var(--jz-warm);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-hero__figure {
  margin: 0;
  position: relative;
  border-radius: var(--jz-radius);
  overflow: hidden;
  border: 1px solid var(--about-hair);
  background:
    repeating-linear-gradient(135deg, var(--about-fold) 0 22px, transparent 22px 44px),
    linear-gradient(160deg, var(--jz-ink-night), var(--jz-ink-deep));
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  mix-blend-mode: luminosity;
  opacity: 0.78;
}

@media (min-width: 900px) {
  .page-about .about-hero__inner {
    grid-template-columns: 6fr 6fr;
    gap: 52px;
  }
  .page-about .about-hero {
    padding-top: 36px;
    padding-bottom: 72px;
  }
}

/* ---------- 区块头 ---------- */
.page-about .about-head {
  max-width: 62ch;
  margin-bottom: 36px;
}

.page-about .about-head__lede {
  color: var(--jz-warm);
  margin-top: 12px;
}

/* ---------- 时间线 ---------- */
.page-about .about-line {
  padding-bottom: 56px;
}

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

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--jz-celadon), var(--jz-vermillion));
  opacity: 0.55;
}

.page-about .about-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 0 0 34px 32px;
}

.page-about .about-timeline__item:last-child {
  padding-bottom: 0;
}

.page-about .about-timeline__dot {
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--jz-ink-deep);
  border: 3px solid var(--jz-celadon);
}

.page-about .about-timeline__item--current .about-timeline__dot {
  border-color: var(--jz-vermillion);
  box-shadow: 0 0 0 5px rgba(242, 98, 46, 0.18);
}

.page-about .about-timeline__year {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-about .about-timeline__stage {
  font-family: var(--jz-font-body);
  font-size: var(--jz-step-14);
  color: var(--jz-warm);
  letter-spacing: 0.04em;
}

.page-about .about-timeline__body .jz-h3 {
  margin: 0 0 8px;
}

.page-about .about-timeline__body p {
  margin: 0;
  max-width: 60ch;
  color: var(--jz-warm);
}

.page-about .about-timeline__more {
  margin-top: 0 !important;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 180ms var(--jz-ease), opacity 180ms var(--jz-ease), margin-top 180ms var(--jz-ease);
}

.page-about .about-timeline__item:hover .about-timeline__more,
.page-about .about-timeline__item:focus-within .about-timeline__more {
  max-height: 14em;
  opacity: 1;
  margin-top: 10px !important;
}

.page-about .about-timeline__item:hover .about-timeline__dot {
  background: var(--jz-celadon);
}

@media (min-width: 860px) {
  .page-about .about-timeline::before {
    left: 123px;
  }
  .page-about .about-timeline__item {
    grid-template-columns: 108px 1fr;
    gap: 48px;
    padding-left: 0;
    padding-bottom: 44px;
  }
  .page-about .about-timeline__dot {
    left: 116px;
    top: 8px;
  }
  .page-about .about-timeline__year {
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    padding-top: 4px;
  }
}

/* ---------- 三条准则 ---------- */
.page-about .about-rules {
  position: relative;
  overflow: hidden;
}

.page-about .about-rules::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(246, 243, 236, 0.045) 0 1px, transparent 1px 96px);
  opacity: 0.9;
}

.page-about .about-rules .jz-container {
  position: relative;
  z-index: 1;
}

.page-about .about-rules__rail {
  position: relative;
}

.page-about .about-rules__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-about .about-rules__tabs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 22px;
}

.page-about .about-rules__tab {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--about-hair);
  border-left: 3px solid var(--jz-glass);
  border-radius: var(--jz-radius-sm);
  background: var(--about-panel);
  cursor: pointer;
  transition: transform 160ms var(--jz-ease), border-color 160ms var(--jz-ease), background 160ms var(--jz-ease);
}

.page-about .about-rules__tab:hover {
  transform: translateY(-2px);
  border-left-color: var(--jz-celadon);
}

.page-about .about-rules__num {
  font-family: var(--jz-font-mono);
  font-size: var(--jz-step-14);
  color: var(--jz-celadon);
  letter-spacing: 0.08em;
}

.page-about .about-rules__tab-title {
  font-family: var(--jz-font-head);
  font-weight: 700;
  font-size: var(--jz-step-20);
  color: var(--jz-paper);
  letter-spacing: -0.01em;
}

.page-about #about-rule-1:checked ~ .about-rules__tabs label[for="about-rule-1"],
.page-about #about-rule-2:checked ~ .about-rules__tabs label[for="about-rule-2"],
.page-about #about-rule-3:checked ~ .about-rules__tabs label[for="about-rule-3"] {
  border-left-color: var(--jz-vermillion);
  background: rgba(242, 98, 46, 0.12);
}

.page-about #about-rule-1:checked ~ .about-rules__tabs label[for="about-rule-1"] .about-rules__tab-title,
.page-about #about-rule-2:checked ~ .about-rules__tabs label[for="about-rule-2"] .about-rules__tab-title,
.page-about #about-rule-3:checked ~ .about-rules__tabs label[for="about-rule-3"] .about-rules__tab-title {
  color: var(--jz-amber);
}

.page-about .about-rules__panel {
  display: none;
  padding: 24px 22px 26px;
  border: 1px solid var(--about-hair);
  border-top: 2px solid var(--jz-vermillion);
  border-radius: var(--jz-radius-sm);
  background: var(--jz-glass-bg-strong);
}

.page-about #about-rule-1:checked ~ .about-rules__panels > .about-rules__panel:nth-child(1),
.page-about #about-rule-2:checked ~ .about-rules__panels > .about-rules__panel:nth-child(2),
.page-about #about-rule-3:checked ~ .about-rules__panels > .about-rules__panel:nth-child(3) {
  display: block;
}

.page-about .about-rules__panel .jz-h3 {
  margin: 0 0 10px;
}

.page-about .about-rules__panel p {
  margin: 0;
  max-width: 68ch;
  color: var(--jz-warm);
}

.page-about .about-rules__tag {
  display: inline-block;
  margin-top: 16px !important;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px dashed var(--jz-celadon);
  font-family: var(--jz-font-mono);
  font-size: var(--jz-step-14);
  color: var(--jz-mint-text) !important;
}

@media (min-width: 780px) {
  .page-about .about-rules__tabs {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-bottom: 0;
  }
  .page-about .about-rules__tab {
    border-radius: 0;
    border-right-width: 0;
  }
  .page-about .about-rules__tab:first-child {
    border-radius: var(--jz-radius-sm) 0 0 0;
  }
  .page-about .about-rules__tab:last-child {
    border-radius: 0 var(--jz-radius-sm) 0 0;
    border-right-width: 1px;
  }
  .page-about .about-rules__panel {
    border-radius: 0 0 var(--jz-radius-sm) var(--jz-radius-sm);
    border-top-width: 2px;
    padding: 32px 30px 34px;
  }
  .page-about .about-rules__tab-title {
    font-size: var(--jz-step-24);
  }
}

/* ---------- 四类人 ---------- */
.page-about .about-audience {
  padding-bottom: 56px;
}

.page-about .about-audience__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-about .about-audience__card {
  position: relative;
  padding: 24px 22px 26px;
  border: 1px solid var(--about-hair);
  border-radius: var(--jz-radius);
  background:
    linear-gradient(180deg, rgba(43, 64, 122, 0.32), rgba(14, 27, 60, 0.62));
  transition: transform 180ms var(--jz-ease), border-color 180ms var(--jz-ease);
}

.page-about .about-audience__card:hover {
  transform: translateY(-4px);
  border-color: rgba(47, 179, 155, 0.5);
}

.page-about .about-audience__idx {
  font-family: var(--jz-font-mono);
  font-size: var(--jz-step-14);
  letter-spacing: 0.14em;
  color: var(--jz-vermillion);
  margin: 0 0 10px;
}

.page-about .about-audience__card .jz-h3 {
  margin: 0 0 10px;
  font-size: var(--jz-step-20);
}

.page-about .about-audience__card p {
  margin: 0;
  color: var(--jz-warm);
}

@media (min-width: 760px) {
  .page-about .about-audience__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 24px;
  }
  .page-about .about-audience__card--shift {
    transform: translateY(26px);
  }
  .page-about .about-audience__card--shift:hover {
    transform: translateY(22px);
  }
  .page-about .about-audience__grid {
    padding-bottom: 26px;
  }
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  padding-top: 60px;
  padding-bottom: 60px;
}

.page-about .about-team__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}

.page-about .about-team__lede {
  color: var(--jz-black);
  opacity: 0.86;
}

.page-about .about-team__copy p {
  max-width: 52ch;
}

.page-about .about-team__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.page-about .about-team__stats .jz-stat {
  padding: 14px 12px;
  border-left: 3px solid var(--jz-celadon);
  background: rgba(10, 14, 26, 0.05);
}

.page-about .about-team__stats .jz-stat__value {
  font-size: var(--jz-step-40);
  color: var(--jz-black);
}

.page-about .about-team__stats .jz-stat__label {
  display: block;
  margin-top: 4px;
  font-size: var(--jz-step-14);
  color: rgba(10, 14, 26, 0.66);
  line-height: 1.5;
}

.page-about .about-team__figure {
  margin: 0;
  border: 1px solid var(--about-hair-dark);
  border-radius: var(--jz-radius);
  overflow: hidden;
}

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

.page-about .about-team__figure .jz-figure__caption {
  padding: 10px 14px;
  font-size: var(--jz-step-14);
  color: rgba(10, 14, 26, 0.62);
  background: rgba(10, 14, 26, 0.04);
}

@media (min-width: 900px) {
  .page-about .about-team__inner {
    grid-template-columns: 6fr 5fr;
    gap: 56px;
  }
}

/* ---------- 资质与荣誉 ---------- */
.page-about .about-cred {
  padding-bottom: 60px;
}

.page-about .about-cred__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}

.page-about .about-cred__lede {
  color: var(--jz-warm);
}

.page-about .about-badges {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
}

.page-about .about-badge {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px;
  border: 1px solid var(--about-hair);
  border-radius: var(--jz-radius-sm);
  background: var(--about-panel);
  transition: border-color 160ms var(--jz-ease), transform 160ms var(--jz-ease);
}

.page-about .about-badge:hover,
.page-about .about-badge:focus-visible {
  border-color: var(--jz-amber);
  transform: translateY(-3px);
}

.page-about .about-badge__seal {
  font-family: var(--jz-font-mono);
  font-size: var(--jz-step-14);
  letter-spacing: 0.08em;
  color: var(--jz-celadon);
}

.page-about .about-badge__name {
  font-family: var(--jz-font-head);
  font-weight: 700;
  font-size: var(--jz-step-17);
  color: var(--jz-paper);
  line-height: 1.4;
}

.page-about .about-badge__detail {
  font-size: var(--jz-step-14);
  line-height: 1.6;
  color: var(--jz-warm);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 180ms var(--jz-ease), opacity 180ms var(--jz-ease);
}

.page-about .about-badge:hover .about-badge__detail,
.page-about .about-badge:focus-visible .about-badge__detail {
  max-height: 6em;
  opacity: 1;
}

.page-about .about-cred__figure {
  margin: 0;
  border-radius: var(--jz-radius);
  border: 1px solid var(--about-hair);
  overflow: hidden;
}

.page-about .about-cred__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.9;
}

@media (min-width: 900px) {
  .page-about .about-cred__inner {
    grid-template-columns: 7fr 5fr;
    gap: 52px;
  }
}

@media (hover: none) {
  .page-about .about-badge__detail,
  .page-about .about-timeline__more {
    max-height: none;
    opacity: 1;
    margin-top: 10px !important;
  }
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners {
  padding-top: 60px;
  padding-bottom: 72px;
}

.page-about .about-partners__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-about .about-partners__card {
  border: 1px solid var(--about-hair);
}

.page-about .about-partners__card .jz-card__body p {
  color: var(--jz-warm);
}

.page-about .about-partners__card .jz-card__link {
  color: var(--jz-amber);
}

@media (min-width: 860px) {
  .page-about .about-partners__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
  .page-about .about-partners__card--overlap {
    transform: translateY(28px);
  }
  .page-about .about-partners__grid {
    padding-bottom: 28px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-timeline__more,
  .page-about .about-badge__detail,
  .page-about .about-audience__card,
  .page-about .about-badge,
  .page-about .about-rules__tab {
    transition-duration: 90ms;
    transform: none !important;
  }
}
</
PAGE_CSS>>>