.page-about {
  --about-pad: clamp(48px, 9vw, 104px);
  --about-gap: clamp(20px, 3vw, 36px);
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumbs {
  padding-top: clamp(20px, 4vw, 34px);
  padding-bottom: 4px;
  font-size: 13px;
  color: var(--moss);
}
.page-about .about-crumbs a {
  color: var(--moss);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-about .about-crumbs a:hover,
.page-about .about-crumbs a:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}
.page-about .about-crumbs span[aria-hidden] {
  margin: 0 8px;
  color: rgba(126, 156, 139, .5);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 6vw, 64px) 0 clamp(44px, 7vw, 88px);
}
.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -34%;
  width: min(560px, 78vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle at 42% 42%, rgba(76, 224, 122, .16), rgba(76, 224, 122, 0) 64%);
  pointer-events: none;
  z-index: 0;
}
.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}
.page-about .about-hero__kicker {
  margin: 0 0 14px;
}
.page-about .about-hero__title {
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(34px, 10.5vw, 96px);
  line-height: 1.0;
  color: var(--white);
  max-width: 16em;
}
.page-about .about-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: rgba(242, 246, 243, .82);
}

.page-about .about-figures {
  list-style: none;
  margin: clamp(34px, 5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: var(--r-m);
  overflow: hidden;
}
.page-about .about-fig {
  background: var(--dash);
  padding: clamp(16px, 2.4vw, 24px) clamp(14px, 2vw, 22px);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-about .about-fig__num {
  font-size: clamp(24px, 4.6vw, 38px);
  font-weight: 700;
  color: var(--neon);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.page-about .about-fig__label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--moss);
}

/* ---------- 通用小节标题 ---------- */
.page-about .about-h2 {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.01em;
  font-size: clamp(26px, 5.4vw, 44px);
  line-height: 1.12;
  color: var(--white);
}
.page-about .about-h2--dark {
  color: var(--ink-900);
}
.page-about .about-section-head {
  max-width: 68ch;
  margin-bottom: clamp(26px, 4vw, 46px);
}
.page-about .about-section-head__lede {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(242, 246, 243, .74);
}

/* ---------- 品牌起点 ---------- */
.page-about .about-origin__grid {
  display: grid;
  gap: var(--about-gap);
}
.page-about .about-origin__lead {
  border-left: 3px solid var(--sand);
  padding-left: clamp(14px, 2vw, 22px);
}
.page-about .about-origin__body p {
  margin: 0 0 1.1em;
  color: rgba(242, 246, 243, .82);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}
.page-about .about-origin__body p:last-child {
  margin-bottom: 0;
  color: var(--chalk);
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  background: linear-gradient(180deg, rgba(20, 58, 40, 0) 0%, rgba(20, 58, 40, .55) 22%, rgba(20, 58, 40, .55) 78%, rgba(20, 58, 40, 0) 100%);
}
.page-about .about-team__grid {
  display: grid;
  gap: var(--about-gap);
  align-items: start;
}
.page-about .about-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-l);
  border: 1px solid var(--hair-soft);
}
.page-about .about-media--16x9 { aspect-ratio: 16 / 9; }
.page-about .about-media--3x2  { aspect-ratio: 3 / 2; }
.page-about .about-media .media__img,
.page-about .about-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-about .about-media .media__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  padding: 10px 14px;
  font-size: 12px;
  color: rgba(242, 246, 243, .78);
  background: linear-gradient(180deg, rgba(11, 36, 25, 0) 0%, rgba(11, 36, 25, .88) 78%);
}

.page-about .about-team__acc {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-about .about-team__acc .accordion__trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  padding: 16px 18px;
  background: var(--ink-800);
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-m);
  color: var(--chalk);
  font: inherit;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-about .about-team__acc .accordion__trigger:hover,
.page-about .about-team__acc .accordion__trigger:focus-visible {
  border-color: rgba(76, 224, 122, .5);
}
.page-about .about-team__acc .accordion__trigger[aria-expanded="true"] {
  border-color: var(--neon);
  background: rgba(76, 224, 122, .08);
}
.page-about .about-team__idx {
  font-size: 12px;
  color: var(--sand);
  letter-spacing: .08em;
}
.page-about .about-team__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(17px, 2.2vw, 21px);
  letter-spacing: -0.01em;
}
.page-about .about-team__role {
  margin-left: auto;
  font-size: 12px;
  color: var(--moss);
  text-align: right;
}
.page-about .about-team__acc .accordion__panel {
  padding: 14px 18px 4px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 246, 243, .78);
}
.page-about .about-team__acc .accordion__panel p {
  margin: 0 0 12px;
}

/* ---------- 覆盖 ---------- */
.page-about .about-coverage__grid {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
  align-items: center;
}
.page-about .about-coverage__lede {
  margin: 0 0 20px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(242, 246, 243, .8);
}
.page-about .about-coverage__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-about .about-coverage__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  color: rgba(242, 246, 243, .74);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hair-soft);
}
.page-about .about-coverage__list li .num {
  color: var(--neon);
  font-weight: 700;
  font-size: 16px;
}

.page-about .about-rings {
  display: flex;
  justify-content: center;
}
.page-about .ring-map {
  position: relative;
  width: min(360px, 84vw);
  aspect-ratio: 1 / 1;
}
.page-about .ring-map__layer {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid var(--hair);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-about .ring-map__layer--outer {
  width: 100%;
  height: 100%;
}
.page-about .ring-map__layer--mid {
  width: 72%;
  height: 72%;
  border-style: dashed;
}
.page-about .ring-map__layer--core {
  width: 40%;
  height: 40%;
  border-color: rgba(76, 224, 122, .55);
  background: radial-gradient(circle at 50% 42%, rgba(76, 224, 122, .16), rgba(14, 27, 42, .9) 72%);
  align-items: center;
}
.page-about .ring-map__layer--outer:hover,
.page-about .ring-map__layer--mid:hover {
  border-color: var(--neon);
  background: rgba(76, 224, 122, .05);
}
.page-about .ring-map__label {
  display: block;
  margin-top: 12px;
  max-width: 82%;
  text-align: center;
  font-size: 11.5px;
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--moss);
}
.page-about .ring-map__layer--outer .ring-map__label { margin-top: 16px; }
.page-about .ring-map__layer--core .ring-map__label {
  margin-top: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(13px, 1.8vw, 16px);
  color: var(--white);
  letter-spacing: -0.01em;
}

/* ---------- 轮次归类 ---------- */
.page-about .about-round {
  background: var(--dash);
  border-top: 1px solid var(--hair-soft);
  border-bottom: 1px solid var(--hair-soft);
}
.page-about .about-round__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}
.page-about .about-round__figure {
  box-shadow: 0 30px 60px -40px rgba(0, 0, 0, .9);
}
.page-about .about-round__text p {
  margin: 0 0 1.1em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(242, 246, 243, .82);
}
.page-about .about-round__note {
  margin-top: 6px;
}

/* ---------- 历程 ---------- */
.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;
  background: linear-gradient(180deg, var(--sand) 0%, rgba(216, 162, 78, .38) 55%, rgba(216, 162, 78, .12) 100%);
}
.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 clamp(24px, 3.6vw, 38px) clamp(34px, 5vw, 48px);
}
.page-about .about-timeline__item:last-child {
  padding-bottom: 0;
}
.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--sand);
}
.page-about .about-timeline__item--current::before {
  border-color: var(--neon);
  box-shadow: 0 0 0 5px rgba(76, 224, 122, .18);
}
.page-about .about-timeline__year {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--sand);
  font-weight: 700;
}
.page-about .about-timeline__item--current .about-timeline__year {
  color: var(--neon);
}
.page-about .about-timeline__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 2.6vw, 24px);
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-about .about-timeline__body p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 246, 243, .74);
}

/* ---------- 荣誉（雾绿宽幅） ---------- */
.page-about .about-honor {
  background: var(--mist);
  color: var(--ink-900);
  padding-top: var(--about-pad);
  padding-bottom: var(--about-pad);
}
.page-about .about-honor .kicker {
  color: var(--danza);
  background: transparent;
}
.page-about .about-honor__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}
.page-about .about-honor__lede {
  margin: 0 0 clamp(22px, 3vw, 34px);
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(11, 36, 25, .78);
}
.page-about .about-honor__cards {
  display: grid;
  gap: 14px;
}
.page-about .honor-card {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px);
  padding-left: clamp(66px, 9vw, 88px);
  border-radius: var(--r-m);
  background: var(--white);
  border: 1px solid rgba(11, 36, 25, .08);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-about .honor-card:hover,
.page-about .honor-card:focus-within {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px -30px rgba(11, 36, 25, .7);
}
.page-about .honor-card__badge {
  position: absolute;
  left: clamp(14px, 2vw, 20px);
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  letter-spacing: .06em;
}
.page-about .honor-card__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(16px, 2.2vw, 20px);
  letter-spacing: -0.01em;
  color: var(--ink-900);
}
.page-about .honor-card__meta {
  margin: 0;
  font-size: 13px;
  color: rgba(11, 36, 25, .6);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.page-about .honor-card:hover .honor-card__meta,
.page-about .honor-card:focus-within .honor-card__meta {
  max-height: 4em;
  opacity: 1;
}
.page-about .about-honor__figure {
  margin: 0;
  border-radius: var(--r-l);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--ink-900);
}
.page-about .about-honor__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 跨端 ---------- */
.page-about .about-sync__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}
.page-about .about-sync__text p {
  margin: 0 0 1.1em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(242, 246, 243, .82);
}
.page-about .about-sync__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.page-about .sync-stat {
  padding: clamp(16px, 2.4vw, 22px);
  border-radius: var(--r-m);
  background: var(--ink-800);
  border: 1px solid var(--hair-soft);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-about .sync-stat__num {
  font-size: clamp(22px, 3.6vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--chalk);
  font-variant-numeric: tabular-nums;
}
.page-about .sync-stat:nth-child(2) .sync-stat__num {
  color: var(--neon);
}
.page-about .sync-stat__label {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--moss);
}

/* ---------- 下一步 ---------- */
.page-about .about-next {
  padding-bottom: clamp(56px, 10vw, 120px);
}
.page-about .about-next__inner {
  border-radius: var(--r-l);
  padding: clamp(26px, 4.4vw, 52px);
  background:
    radial-gradient(120% 160% at 88% 10%, rgba(76, 224, 122, .18) 0%, rgba(76, 224, 122, 0) 58%),
    var(--dash);
  border: 1px solid var(--hair-soft);
}
.page-about .about-next__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.4vw, 38px);
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-about .about-next__lede {
  margin: 0 0 clamp(20px, 3vw, 30px);
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(242, 246, 243, .78);
}
.page-about .about-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-about .about-next__actions .btn {
  min-width: 0;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-about .about-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .about-honor__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 72px);
  }
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(32px, 4vw, 56px);
  }
  .page-about .about-coverage__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
  .page-about .about-round__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(32px, 5vw, 64px);
  }
  .page-about .about-honor__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
  .page-about .about-sync__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 64px);
  }
  .page-about .about-timeline__item {
    padding-left: clamp(44px, 5vw, 64px);
  }
}

@media (min-width: 1040px) {
  .page-about .about-timeline {
    padding-left: 6%;
  }
  .page-about .about-timeline::before {
    left: calc(6% + 7px);
  }
  .page-about .about-timeline__item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
    gap: clamp(20px, 3vw, 40px);
    align-items: start;
  }
  .page-about .about-timeline__item::before {
    left: 6%;
    top: 8px;
  }
  .page-about .about-timeline__item {
    padding-left: calc(6% + 44px);
  }
  .page-about .about-timeline__year {
    text-align: right;
    padding-right: 12px;
  }
  .page-about .about-timeline__body {
    border-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }
}
</PAGE_CSS>