/* ===== 品牌总览页 · page-about ===== */

.page-about {
  --about-block-gap: clamp(20px, 3vw, 30px);
  --about-hair: rgba(41, 240, 214, 0.22);
}

.page-about .breadcrumb {
  padding-top: clamp(16px, 3vw, 26px);
}

/* ---------- 首屏：左侧导语 + 右侧速览板 ---------- */
.page-about .about-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding: clamp(24px, 4vw, 46px) 0 clamp(34px, 6vw, 62px);
}

.page-about .about-hero h1 {
  margin: 14px 0 20px;
  font-size: clamp(30px, 4.8vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--text);
}

.page-about .about-hero__intro {
  margin: 0 0 14px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-2);
}

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

.page-about .about-snapshot {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 6px 20px 14px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(28, 66, 52, 0.6), rgba(10, 20, 16, 0.15)),
    var(--panel);
}

.page-about .about-snapshot::before {
  content: "";
  position: absolute;
  inset: auto -32% -58% auto;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(41, 240, 214, 0.24), transparent 70%);
  pointer-events: none;
}

.page-about .about-snapshot__title {
  margin: 16px 0 2px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-about .snap-list {
  margin: 0;
  position: relative;
  z-index: 1;
}

.page-about .snap-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .snap-row:last-child {
  border-bottom: 0;
}

.page-about .snap-key {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .snap-val {
  margin: 0;
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 600;
  color: var(--cyan);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

@media (min-width: 960px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: end;
    padding-bottom: clamp(48px, 6vw, 76px);
  }
}

/* ---------- 通用小节头部 ---------- */
.page-about .section-head {
  max-width: 48em;
  margin-bottom: clamp(24px, 4vw, 42px);
}

.page-about .section-head h2 {
  margin: 12px 0 14px;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--text);
}

.page-about .section-lede {
  margin: 0;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-2);
}

/* ---------- 来路 ---------- */
.page-about .origin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .origin-copy h2 {
  margin: 12px 0 18px;
  font-size: clamp(24px, 3.3vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--text);
}

.page-about .origin-copy p {
  margin: 0 0 16px;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-2);
}

.page-about .origin-quote {
  margin-top: 24px;
  padding: 16px 18px;
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(41, 240, 214, 0.06);
  color: var(--text);
  font-size: 15px;
  line-height: 1.72;
}

.page-about .origin-figure {
  margin: 0;
}

.page-about .origin-figure figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.65;
  letter-spacing: 0.03em;
  color: var(--muted);
}

@media (min-width: 940px) {
  .page-about .origin-grid {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr);
    gap: clamp(32px, 5vw, 60px);
    align-items: start;
  }
}

/* ---------- 版本时间轴 ---------- */
.page-about .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .tl-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 20px 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .tl-item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-about .tl-node {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  align-self: start;
  padding: 6px 14px 6px 10px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .tl-node::before {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(41, 240, 214, 0.16);
  transition: box-shadow var(--dur) var(--ease);
}

.page-about .tl-node:hover,
.page-about .tl-node:focus-visible {
  border-color: var(--about-hair);
  background: rgba(41, 240, 214, 0.07);
}

.page-about .tl-year {
  font-family: var(--font-num);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-about .tl-index {
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: var(--pill);
  padding: 2px 9px;
  white-space: nowrap;
}

.page-about .tl-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  background: linear-gradient(180deg, rgba(22, 53, 42, 0.9), rgba(16, 38, 30, 0.7));
  scroll-margin-top: 130px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .tl-card h3 {
  margin: 0 0 8px;
  font-size: 17.5px;
  line-height: 1.35;
  font-weight: 700;
  color: var(--text);
}

.page-about .tl-card p {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.74;
  color: var(--text-2);
}

.page-about .tl-item:hover .tl-card,
.page-about .tl-item:focus-within .tl-card {
  border-color: rgba(41, 240, 214, 0.5);
  transform: translateY(-3px);
  box-shadow: var(--glow-cyan);
}

.page-about .tl-item--now .tl-node::before {
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(228, 185, 91, 0.18), 0 0 16px rgba(228, 185, 91, 0.5);
}

.page-about .tl-item--now .tl-card {
  border-color: rgba(228, 185, 91, 0.28);
}

.page-about .tl-break {
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .tl-figure {
  margin: 0;
}

.page-about .tl-figure figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.65;
  letter-spacing: 0.03em;
  color: var(--muted);
}

@media (min-width: 800px) {
  .page-about .tl-item {
    grid-template-columns: 156px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 46px);
    padding: 26px 0;
    align-items: start;
  }

  .page-about .tl-break {
    padding: 30px 0;
  }
}

/* ---------- 团队分工 ---------- */
.page-about .team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .team-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  background: rgba(22, 53, 42, 0.58);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .team-card:hover,
.page-about .team-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(41, 240, 214, 0.42);
  background: rgba(28, 66, 52, 0.72);
  box-shadow: var(--glow-cyan);
}

.page-about .team-card__no {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-about .team-card h3 {
  margin: 0 0 10px;
  font-size: 16.5px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--text);
}

.page-about .team-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-2);
}

.page-about .team-card ul {
  list-style: none;
  margin: 14px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 7px;
}

.page-about .team-card li {
  position: relative;
  padding-left: 14px;
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--text-2);
}

.page-about .team-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.64em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0.7;
}

@media (min-width: 720px) {
  .page-about .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 22px;
  }
}

@media (min-width: 1080px) {
  .page-about .team-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .team-card:nth-child(2),
  .page-about .team-card:nth-child(4) {
    margin-top: 30px;
  }
}

/* ---------- 联赛覆盖 ---------- */
.page-about .league-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .league-block {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px 20px 20px;
  background: linear-gradient(180deg, rgba(22, 53, 42, 0.86), rgba(10, 20, 16, 0.42));
}

.page-about .league-block::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: currentColor;
  opacity: 0.92;
}

.page-about .league-block--football {
  color: var(--cyan);
}

.page-about .league-block--basketball {
  color: var(--orange);
}

.page-about .league-block--multi {
  color: var(--cyan-soft);
}

.page-about .league-count {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(36px, 4.4vw, 52px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.page-about .league-block h3 {
  margin: 8px 0 10px;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--text);
}

.page-about .league-block p {
  margin: 0;
  font-size: 14.2px;
  line-height: 1.72;
  color: var(--text-2);
}

.page-about .league-block ul {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 6px;
}

.page-about .league-block li {
  position: relative;
  padding-left: 13px;
  font-size: 13.4px;
  line-height: 1.62;
  color: var(--text-2);
}

.page-about .league-block li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.85;
}

.page-about .league-foot {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-about .league-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 240, 214, 0.38);
}

.page-about .league-foot a:hover {
  border-bottom-color: var(--cyan);
}

@media (min-width: 840px) {
  .page-about .league-split {
    grid-template-columns: 1.45fr 1fr 0.8fr;
    gap: 18px;
    align-items: start;
  }
}

/* ---------- 数据来源 ---------- */
.page-about .ds-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .ds-copy h2 {
  margin: 12px 0 18px;
  font-size: clamp(24px, 3.3vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--text);
}

.page-about .ds-copy > p {
  margin: 0 0 16px;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-2);
}

.page-about .ds-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  counter-reset: ds;
  display: grid;
  gap: 12px;
}

.page-about .ds-steps li {
  position: relative;
  padding: 16px 18px 16px 60px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(22, 53, 42, 0.55);
  font-size: 14.2px;
  line-height: 1.72;
  color: var(--text-2);
}

.page-about .ds-steps li::before {
  counter-increment: ds;
  content: counter(ds, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 16px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-about .ds-steps strong {
  display: inline-block;
  margin-right: 8px;
  color: var(--text);
  font-weight: 700;
}

.page-about .ds-readout {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 20px 20px 6px;
  background: linear-gradient(180deg, rgba(28, 66, 52, 0.68), rgba(10, 20, 16, 0.5));
}

.page-about .ds-metric {
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .ds-metric:last-child {
  border-bottom: 0;
}

.page-about .ds-metric__num {
  margin: 0;
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-about .ds-metric__unit {
  margin-left: 6px;
  font-size: 14px;
  font-weight: 400;
  color: var(--muted);
}

.page-about .ds-metric__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

@media (min-width: 940px) {
  .page-about .ds-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: clamp(30px, 5vw, 56px);
    align-items: start;
  }
}

/* ---------- 合作生态板 ---------- */
.page-about .eco-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--deep);
}

.page-about .eco-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(10, 20, 16, 0.94) 6%, rgba(16, 38, 30, 0.76) 52%, rgba(10, 20, 16, 0.92) 100%);
  pointer-events: none;
}

.page-about .eco-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: 0.32;
}

.page-about .eco-inner {
  position: relative;
  z-index: 1;
  padding: clamp(26px, 4.5vw, 54px);
}

.page-about .eco-inner h2 {
  margin: 12px 0 16px;
  font-size: clamp(24px, 3.3vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--text);
}

.page-about .eco-lede {
  margin: 0;
  max-width: 42em;
  font-size: 15.2px;
  line-height: 1.78;
  color: var(--text-2);
}

.page-about .eco-cols {
  display: flex;
  gap: 18px;
  margin-top: 28px;
  padding-bottom: 8px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-about .eco-col {
  flex: 0 0 80%;
  scroll-snap-align: start;
  border-top: 2px solid rgba(41, 240, 214, 0.5);
  padding-top: 14px;
}

.page-about .eco-col h3 {
  margin: 0 0 10px;
  font-size: 16.5px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--text);
}

.page-about .eco-num {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-about .eco-col p:last-child {
  margin: 0;
  font-size: 14.2px;
  line-height: 1.74;
  color: var(--text-2);
}

@media (min-width: 860px) {
  .page-about .eco-cols {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    margin-top: 32px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .eco-col {
    flex: none;
    border-top: 0;
    border-left: 1px solid var(--about-hair);
    padding: 4px 26px 0;
  }

  .page-about .eco-col:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-about .eco-col:last-child {
    padding-right: 0;
  }
}

/* ---------- 继续了解 ---------- */
.page-about .next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .next-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-decoration: none;
  background: rgba(22, 53, 42, 0.5);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .next-card:hover,
.page-about .next-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(41, 240, 214, 0.45);
  background: rgba(28, 66, 52, 0.72);
}

.page-about .next-card h3 {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text);
}

.page-about .next-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-2);
}

.page-about .next-card span {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

@media (min-width: 780px) {
  .page-about .next-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 16px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .tl-card,
  .page-about .team-card,
  .page-about .next-card,
  .page-about .tl-node {
    transition: none;
  }

  .page-about .tl-item:hover .tl-card,
  .page-about .tl-item:focus-within .tl-card,
  .page-about .team-card:hover,
  .page-about .team-card:focus-within,
  .page-about .next-card:hover {
    transform: none;
  }
}
<<<END>>>