.page-about .about-crumbs {
  padding-top: clamp(16px, 2.4vw, 26px);
}

/* ---------- 开篇 ---------- */
.page-about .about-opening {
  padding-block: clamp(18px, 3vw, 30px) clamp(32px, 5vw, 60px);
}

.page-about .about-opening__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  align-items: start;
}

.page-about .about-opening__figure {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-glass);
  border: 1px solid var(--c-line);
}

.page-about .about-opening__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.06);
}

.page-about .about-opening__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(34, 211, 238, 0.24), rgba(255, 107, 74, 0.16) 62%, rgba(6, 16, 31, 0.6));
  pointer-events: none;
}

.page-about .about-opening__cap {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  z-index: 1;
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  color: var(--c-paper);
  text-shadow: 0 2px 12px rgba(6, 16, 31, 0.9);
}

.page-about .about-opening__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  line-height: 1.12;
  letter-spacing: 0.01em;
  color: var(--c-paper);
}

.page-about .about-opening__lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--c-text-soft);
}

.page-about .about-opening__facts {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-line-soft);
  border-block: 1px solid var(--c-line-soft);
}

.page-about .about-fact {
  background: var(--c-deep);
  padding: 14px 10px 16px;
}

.page-about .about-fact__num {
  display: block;
  font-size: clamp(22px, 4.6vw, 32px);
  line-height: 1.05;
  color: var(--c-coral);
  letter-spacing: 0.01em;
}

.page-about .about-fact__lb {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-label);
  color: var(--c-text-dim);
}

@media (min-width: 900px) {
  .page-about .about-opening__grid {
    grid-template-columns: 5fr 7fr;
    gap: clamp(28px, 3.6vw, 52px);
  }
  .page-about .about-opening__figure {
    margin-top: 8px;
  }
}

/* ---------- 章节标题共用微调 ---------- */
.page-about .about-head {
  max-width: 72ch;
}

/* ---------- 值班分工 ---------- */
.page-about .about-shifts__grid {
  display: grid;
  gap: var(--gap);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-about .about-shift {
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--r-md);
}

.page-about .about-shift__time {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-about .about-shift__name {
  margin: 10px 0 0;
  font-size: clamp(19px, 2.4vw, 23px);
  color: var(--c-paper);
}

.page-about .about-shift__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-about .about-shift__list li {
  position: relative;
  padding-left: 16px;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--c-text-soft);
}

.page-about .about-shift__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--c-coral);
}

@media (min-width: 760px) {
  .page-about .about-shifts__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 生产流程 ---------- */
.page-about .about-flow {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 1px;
  display: grid;
  gap: 1px;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-about .about-step {
  background: linear-gradient(180deg, rgba(18, 56, 92, 0.62), rgba(6, 16, 31, 0.94));
  padding: clamp(20px, 2.6vw, 26px) clamp(18px, 2.2vw, 24px) clamp(22px, 2.8vw, 28px);
  border-top: 2px solid transparent;
  transition: border-color 0.28s ease, background 0.28s ease;
}

.page-about .about-step:hover,
.page-about .about-step:focus-within {
  border-top-color: var(--c-cyan);
}

.page-about .about-step__no {
  display: block;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1;
  color: var(--c-cyan);
  opacity: 0.82;
  letter-spacing: 0.02em;
}

.page-about .about-step__name {
  margin: 14px 0 0;
  font-size: 19px;
  color: var(--c-paper);
}

.page-about .about-step__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--c-text-soft);
}

@media (min-width: 720px) {
  .page-about .about-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-about .about-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 赛事覆盖地图 ---------- */
.page-about .about-map__figure {
  position: relative;
  margin: clamp(20px, 3vw, 32px) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-midnight);
  border: 1px solid var(--c-line-soft);
}

.page-about .about-map__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.92;
}

.page-about .about-map__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 14px 16px;
  font-family: var(--font-data);
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  color: var(--c-paper);
  background: linear-gradient(180deg, rgba(6, 16, 31, 0), rgba(6, 16, 31, 0.92));
}

.page-about .about-map {
  display: grid;
  gap: var(--gap);
  margin-top: var(--gap);
}

.page-about .about-group {
  --g: var(--c-cyan);
  padding: 20px 18px 22px;
  border: 1px solid var(--c-line-soft);
  border-left: 3px solid var(--g);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(18, 56, 92, 0.5), rgba(6, 16, 31, 0.88));
  transition: transform 0.26s ease, border-color 0.26s ease, background 0.26s ease;
}

.page-about .about-group[data-group="speed"] {
  --g: var(--c-coral);
}

.page-about .about-group[data-group="duel"] {
  --g: var(--c-moss);
}

.page-about .about-group[data-group="misc"] {
  --g: var(--c-clay);
}

.page-about .about-group:hover,
.page-about .about-group:focus-within,
.page-about .about-group:focus-visible {
  transform: translateY(-3px);
  border-color: var(--c-line);
  outline: none;
  background: linear-gradient(180deg, rgba(34, 211, 238, 0.12), rgba(6, 16, 31, 0.9));
}

.page-about .about-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-about .about-group__name {
  margin: 0;
  font-size: 20px;
  color: var(--c-paper);
}

.page-about .about-group__count {
  font-size: 26px;
  line-height: 1;
  color: var(--g);
}

.page-about .about-group__items {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-group__items li {
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--c-line-soft);
  background: rgba(6, 16, 31, 0.6);
  font-size: 13.5px;
  color: var(--c-text-soft);
}

.page-about .about-group__note {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-text-dim);
}

@media (min-width: 700px) {
  .page-about .about-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1060px) {
  .page-about .about-map {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 时间线 ---------- */
.page-about .about-time__figure {
  position: relative;
  margin: clamp(20px, 3vw, 30px) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-midnight);
}

.page-about .about-time__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: 0.88;
}

.page-about .about-time__cap {
  position: absolute;
  left: 14px;
  bottom: 12px;
  right: 14px;
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--fs-label);
  letter-spacing: 0.04em;
  color: var(--c-cyan-mist);
  text-shadow: 0 2px 12px rgba(6, 16, 31, 0.9);
}

.page-about .about-timeline {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-cyan), var(--c-cyan-mist) 42%, var(--c-coral-soft));
  opacity: 0.55;
}

.page-about .about-node {
  position: relative;
  padding: 0 0 clamp(24px, 3.4vw, 34px) 34px;
}

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

.page-about .about-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--c-deep);
  border: 2px solid var(--c-cyan);
  box-shadow: 0 0 0 0 rgba(34, 211, 238, 0);
  transition: border-color 0.26s ease, box-shadow 0.26s ease, transform 0.26s ease;
}

.page-about .about-node:hover::before,
.page-about .about-node:focus-within::before {
  border-color: var(--c-coral);
  transform: scale(1.15);
  box-shadow: 0 0 0 6px rgba(255, 107, 74, 0.16);
}

.page-about .about-node__year {
  margin: 0;
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1;
  color: var(--c-cyan);
  letter-spacing: 0.06em;
  transition: color 0.26s ease;
}

.page-about .about-node:hover .about-node__year {
  color: var(--c-coral-soft);
}

.page-about .about-node__title {
  margin: 10px 0 0;
  font-size: 18px;
  color: var(--c-paper);
}

.page-about .about-node__more {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--c-text-dim);
  transition: color 0.26s ease;
}

.page-about .about-node:hover .about-node__more,
.page-about .about-node:focus-within .about-node__more {
  color: var(--c-text-soft);
}

/* ---------- 质量抽检 ---------- */
.page-about .about-audit {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-about .about-audit__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 14px 15px;
  background: rgba(6, 16, 31, 0.82);
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-paper);
}

.page-about .about-audit__no {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--c-moss);
}

.page-about .about-audit__tail {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--c-text-soft);
  padding-left: 16px;
  border-left: 3px solid var(--c-cyan);
}

@media (min-width: 720px) {
  .page-about .about-audit {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-about .about-audit {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 团队与协作 ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: var(--gap);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-about .about-team__card {
  padding: clamp(18px, 2.4vw, 24px);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(18, 56, 92, 0.42), rgba(6, 16, 31, 0.9));
}

.page-about .about-team__num {
  margin: 0;
  font-size: clamp(30px, 5.4vw, 46px);
  line-height: 1;
  color: var(--c-coral);
  letter-spacing: 0.01em;
}

.page-about .about-team__name {
  margin: 12px 0 0;
  font-size: 17px;
  color: var(--c-paper);
}

.page-about .about-team__desc {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--c-text-soft);
}

.page-about .about-team__tail {
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: 74ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text-soft);
}

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

@media (min-width: 1040px) {
  .page-about .about-team__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 收尾行动区 ---------- */
.page-about .about-next {
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-about .about-next__inner {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(24px, 3.4vw, 40px) clamp(20px, 3vw, 44px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.14), rgba(18, 56, 92, 0.55) 46%, rgba(255, 107, 74, 0.16));
}

.page-about .about-next__title {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.24;
  color: var(--c-paper);
}

.page-about .about-next__lead {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.76;
  color: var(--c-text-soft);
}

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

@media (min-width: 880px) {
  .page-about .about-next__inner {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }
  .page-about .about-next__actions {
    justify-content: flex-end;
  }
}
<<<END>>>