/* ===== BSPORTS · 品牌与团队 (page-about) ===== */

.page-about {
  --about-node: rgba(22, 227, 180, 0.45);
  --about-node-idle: rgba(147, 173, 164, 0.35);
  --about-wash: rgba(22, 227, 180, 0.06);
}

/* ---------- 通用页内节奏 ---------- */
.page-about .about-head {
  display: grid;
  gap: 10px;
  margin-bottom: 8px;
}
.page-about .about-head__aside {
  max-width: 46ch;
}
@media (min-width: 900px) {
  .page-about .about-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 40px;
    align-items: end;
  }
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-top: 28px;
}
.page-about .breadcrumb {
  margin-bottom: 36px;
}
.page-about .about-hero__grid {
  row-gap: 40px;
}
.page-about .about-hero__lead .eyebrow {
  margin-bottom: 4px;
}
.page-about .about-hero__lead .display-1 {
  margin: 14px 0 22px;
}
.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.page-about .about-hero__media {
  align-self: start;
}
.page-about .about-hero__media .media__caption {
  margin-top: 12px;
}

/* ---------- 关键数字条 ---------- */
.page-about .about-figures {
  list-style: none;
  margin: 56px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--hair);
}
.page-about .about-figure {
  padding: 22px 14px 22px 0;
  border-bottom: 1px solid var(--hair);
}
.page-about .about-figure__num {
  display: block;
  margin: 0;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(30px, 7vw, 46px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
}
.page-about .about-figure__num span {
  font-size: 0.5em;
  color: var(--cyan-soft);
  margin-left: 2px;
}
.page-about .about-figure__label {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--mist);
}
@media (min-width: 768px) {
  .page-about .about-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .about-figure {
    padding: 24px 26px 24px 26px;
  }
  .page-about .about-figure:first-child {
    padding-left: 0;
  }
  .page-about .about-figure + .about-figure {
    border-left: 1px solid var(--hair);
  }
}

/* ---------- 职能组 ---------- */
.page-about .about-crew__body {
  margin-top: 34px;
}
.page-about .about-crew__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--hair);
}
.page-about .about-crew__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-about .about-crew__tally {
  margin: 0;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--mist);
}
.page-about .about-crew__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border-bottom: 1px solid var(--hair);
}
.page-about .about-crew__item {
  background: var(--zone);
  padding: 26px 20px 30px;
  display: grid;
  gap: 10px;
  align-content: start;
}
.page-about .about-crew__item[hidden] {
  display: none;
}
.page-about .about-crew__num {
  margin: 0;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--paper);
}
.page-about .about-crew__num span {
  font-size: 14px;
  font-weight: 400;
  color: var(--mist);
  margin-left: 6px;
  letter-spacing: 0;
}
.page-about .about-crew__name {
  margin: 0;
  font-size: 20px;
  line-height: 1.3;
  color: var(--cyan-soft);
  letter-spacing: -0.01em;
}
.page-about .about-crew__duty {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}
@media (min-width: 900px) {
  .page-about .about-crew__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .about-crew__item {
    padding: 30px 32px 36px;
  }
}
@media (min-width: 1200px) {
  .page-about .about-crew__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 三道工序 ---------- */
.page-about .about-flow__figure {
  margin: 34px 0 0;
}
.page-about .about-flow__svg {
  display: block;
  width: 100%;
  height: auto;
}
.page-about .about-flow__svg .flow-axis {
  stroke: var(--hair-strong);
  stroke-width: 1;
  stroke-dasharray: 5 8;
}
.page-about .about-flow__svg .flow-node__ring {
  fill: var(--zone);
  stroke: var(--cyan);
  stroke-width: 1;
}
.page-about .about-flow__svg .flow-node__no {
  fill: var(--cyan);
  font-family: var(--font-data);
  font-size: 17px;
  font-weight: 500;
  text-anchor: middle;
  letter-spacing: 0.04em;
}
.page-about .about-flow__svg .flow-mark {
  fill: none;
  stroke: var(--flare);
  stroke-width: 2;
  stroke-linecap: square;
}
.page-about .about-flow__figure .media__caption {
  margin-top: 12px;
}

.page-about .about-flow__steps {
  list-style: none;
  margin: 44px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}
.page-about .about-step {
  background: var(--ink);
  padding: 28px 22px 32px;
}
.page-about .about-step__id {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--flare);
}
.page-about .about-step__name {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-about .about-step__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}
.page-about .about-step__more {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--hair);
}
.page-about .about-step__more summary {
  cursor: pointer;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--cyan-soft);
  list-style: none;
}
.page-about .about-step__more summary::-webkit-details-marker {
  display: none;
}
.page-about .about-step__more summary::before {
  content: "+ ";
  color: var(--cyan);
}
.page-about .about-step__more[open] summary::before {
  content: "\2212 ";
}
.page-about .about-step__more ul {
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}
.page-about .about-step__more li + li {
  margin-top: 6px;
}
@media (min-width: 900px) {
  .page-about .about-flow__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-step {
    padding: 36px 30px 40px;
  }
}

/* ---------- 一周时间轴 ---------- */
.page-about .about-week__list {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  position: relative;
}
.page-about .about-week__list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--hair-strong), var(--hair));
}
.page-about .about-week__list .timeline__item {
  position: relative;
  padding: 0 0 30px 28px;
}
.page-about .about-week__list .timeline__item:last-child {
  padding-bottom: 0;
}
.page-about .about-week__list .timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--indigo);
  border: 1px solid var(--about-node-idle);
}
.page-about .about-week__list .timeline__item--now::before {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 5px var(--about-wash);
}
.page-about .timeline__slot {
  margin: 0 0 8px;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}
.page-about .about-week__list .timeline__item--now .timeline__slot {
  color: var(--cyan-soft);
}
.page-about .timeline__body h3 {
  margin: 0 0 8px;
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-about .timeline__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 60ch;
}
.page-about .about-week__foot {
  margin: 36px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--hair);
  max-width: 62ch;
}
@media (min-width: 900px) {
  .page-about .about-week__list {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    padding-top: 26px;
  }
  .page-about .about-week__list::before {
    left: 0;
    right: 0;
    top: 0;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(to right, var(--hair-strong), var(--hair));
  }
  .page-about .about-week__list .timeline__item {
    padding: 0;
  }
  .page-about .about-week__list .timeline__item::before {
    top: -30px;
  }
}

/* ---------- 放行规则 ---------- */
.page-about .about-standard__grid {
  row-gap: 40px;
}
.page-about .about-standard__media .media__caption {
  margin-top: 12px;
}
.page-about .about-standard__body .lede {
  margin-top: 16px;
}
.page-about .about-standard__list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}
.page-about .about-standard__item {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid rgba(234, 246, 240, 0.14);
}
.page-about .about-standard__item:last-child {
  border-bottom: 1px solid rgba(234, 246, 240, 0.14);
}
.page-about .about-standard__key {
  margin: 0;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--amber);
}
.page-about .about-standard__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}
@media (min-width: 900px) {
  .page-about .about-standard__item {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
    padding: 20px 0;
  }
}

/* ---------- 发展节点 ---------- */
.page-about .about-ms {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(234, 246, 240, 0.1);
}
.page-about .about-ms__item {
  background: transparent;
  padding: 24px 0;
  display: grid;
  gap: 12px;
  border-bottom: 1px solid rgba(234, 246, 240, 0.1);
}
.page-about .about-ms__year {
  margin: 0;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 22px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}
.page-about .about-ms__year span {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  color: var(--mist);
  border: 1px solid rgba(234, 246, 240, 0.18);
}
.page-about .about-ms__item--now .about-ms__year {
  color: var(--cyan);
}
.page-about .about-ms__item--now .about-ms__year span {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}
.page-about .about-ms__body h3 {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.35;
  color: var(--paper);
}
.page-about .about-ms__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 58ch;
}
.page-about .about-milestones__media {
  margin: 48px 0 0;
}
.page-about .about-milestones__media .media__caption {
  margin-top: 12px;
}
@media (min-width: 900px) {
  .page-about .about-ms {
    background: none;
    gap: 0;
  }
  .page-about .about-ms__item {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
    padding: 26px 0;
    border-top: 1px solid rgba(234, 246, 240, 0.1);
  }
  .page-about .about-ms__item:last-child {
    border-bottom: 1px solid rgba(234, 246, 240, 0.1);
  }
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners__grid {
  row-gap: 32px;
}
.page-about .about-partners__lead h2 {
  margin-top: 12px;
}
.page-about .about-partners__list {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}
.page-about .about-partners__item {
  background: var(--ink);
  padding: 20px 0;
}
.page-about .about-partners__item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  letter-spacing: 0.01em;
  color: var(--cyan-soft);
}
.page-about .about-partners__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}
@media (min-width: 900px) {
  .page-about .about-partners__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    background: none;
  }
  .page-about .about-partners__item {
    background: transparent;
    padding: 22px 24px 22px 0;
    border-right: 1px solid var(--hair);
  }
  .page-about .about-partners__item:last-child {
    border-right: 0;
    padding-right: 0;
  }
  .page-about .about-partners__item + .about-partners__item {
    padding-left: 24px;
  }
}

/* ---------- 结尾引导 ---------- */
.page-about .about-next__grid {
  row-gap: 28px;
  align-items: center;
}
.page-about .about-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
@media (min-width: 900px) {
  .page-about .about-next__actions {
    justify-content: flex-end;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal],
  .page-about [data-stagger] > * {
    transition: none !important;
    animation: none !important;
    transform: none !important;
  }
}
<<<END>>>