.page-about {
  --about-gap: clamp(18px, 3vw, 30px);
  --about-card-pad: clamp(20px, 3vw, 30px);
  display: block;
}

/* ---------- 通用标题组 ---------- */
.page-about .about-head {
  margin-bottom: clamp(26px, 4vw, 44px);
  max-width: 74ch;
}

.page-about .about-h2 {
  margin: 12px 0 0;
  font-size: clamp(27px, 3.9vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  font-weight: 800;
  color: var(--text);
}

.page-about .about-h2--sm {
  font-size: clamp(24px, 3.2vw, 32px);
}

.page-about .about-head .lede {
  margin-top: 14px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-top: clamp(18px, 3vw, 34px);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 52px);
  align-items: center;
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-size: clamp(36px, 6.4vw, 70px);
  line-height: 1.06;
  letter-spacing: -0.022em;
  font-weight: 900;
  color: var(--text);
}

.page-about .about-hero__accent {
  display: block;
  margin-top: 6px;
  background: linear-gradient(98deg, var(--violet) 0%, var(--cyan) 58%, var(--gold) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-about .about-hero__lede {
  margin-top: 20px;
  max-width: 60ch;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 12px;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero__stat {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(122, 140, 255, 0.12), rgba(5, 8, 26, 0.5));
}

.page-about .about-hero__stat-num {
  display: block;
  font-size: clamp(19px, 2.3vw, 25px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-about .about-hero__stat-label {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

.page-about .about-hero__visual {
  margin: 0;
}

.page-about .about-hero__visual figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .about-hero__visual .media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 赛季轨道 ---------- */
.page-about .about-track {
  position: relative;
  display: grid;
  gap: clamp(16px, 2.6vw, 24px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-track::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 18px;
  bottom: 18px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--gold) 0%, var(--violet) 26%, var(--cyan) 72%, rgba(43, 230, 246, 0) 100%);
  opacity: 0.65;
}

.page-about .about-track__item {
  position: relative;
  padding: 22px 22px 24px 42px;
  border-radius: var(--radius);
  border: 1px solid rgba(122, 140, 255, 0.16);
  background: linear-gradient(150deg, rgba(19, 26, 58, 0.92), rgba(13, 19, 48, 0.72));
  transition: border-color 320ms var(--ease), transform 320ms var(--ease);
}

.page-about .about-track__item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 30px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, var(--gold), var(--violet) 72%);
  box-shadow: 0 0 0 4px rgba(122, 92, 255, 0.14), 0 0 18px rgba(255, 196, 107, 0.45);
  transition: box-shadow 320ms var(--ease);
}

.page-about .about-track__item:hover,
.page-about .about-track__item:focus-within {
  border-color: rgba(122, 92, 255, 0.5);
  transform: translateY(-2px);
}

.page-about .about-track__item:hover::before,
.page-about .about-track__item:focus-within::before {
  box-shadow: 0 0 0 7px rgba(122, 92, 255, 0.18), 0 0 26px rgba(255, 196, 107, 0.6);
}

.page-about .about-track__season {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-track__title {
  margin: 10px 0 0;
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.page-about .about-track__text {
  margin: 10px 0 0;
  max-width: 66ch;
  color: var(--muted);
  line-height: 1.75;
}

.page-about .about-track__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 球队库维护 ---------- */
.page-about .about-data__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4.5vw, 48px);
  align-items: start;
}

.page-about .about-data__figure {
  margin: 0;
}

.page-about .about-data__figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .about-data__figure .media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-data__lede {
  margin: 0 0 22px;
  max-width: 66ch;
  line-height: 1.78;
}

.page-about .about-data__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-about .about-data__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-data__key {
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-about .about-data__val {
  color: var(--muted);
  line-height: 1.7;
}

/* ---------- 集锦生产流程 ---------- */
.page-about .about-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-flow__step {
  position: relative;
  padding: 24px 22px;
  border-radius: var(--radius);
  border: 1px solid rgba(122, 140, 255, 0.16);
  background: linear-gradient(165deg, rgba(13, 19, 48, 0.95), rgba(5, 8, 26, 0.6));
  transition: border-color 320ms var(--ease);
}

.page-about .about-flow__step:hover {
  border-color: rgba(43, 230, 246, 0.45);
}

.page-about .about-flow__num {
  display: inline-block;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(43, 230, 246, 0.35);
}

.page-about .about-flow__title {
  margin: 14px 0 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.page-about .about-flow__step p {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 专家专栏 ---------- */
.page-about .about-column__panes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-about .about-column__pane {
  padding: var(--about-card-pad);
  border-radius: var(--radius);
}

.page-about .about-column__label {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-about .about-column__items {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-about .about-column__items li {
  position: relative;
  padding-left: 20px;
  line-height: 1.7;
  color: var(--text);
}

.page-about .about-column__items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-about .about-column__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 合作生态 ---------- */
.page-about .about-eco__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4.5vw, 48px);
  align-items: start;
}

.page-about .about-eco__copy p {
  margin: 0 0 18px;
  max-width: 66ch;
  line-height: 1.78;
}

.page-about .about-eco__figures {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-eco__figure {
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(13, 19, 48, 0.7);
}

.page-about .about-eco__figure-num {
  display: block;
  font-size: 30px;
  line-height: 1;
  font-weight: 700;
  color: var(--violet);
}

.page-about .about-eco__figure-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
}

.page-about .about-eco__media {
  margin: 0;
}

.page-about .about-eco__media .media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-eco__media figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 团队与值班 ---------- */
.page-about .about-team__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 235px), 1fr));
  gap: 16px;
}

.page-about .about-team__card {
  padding: 22px 22px 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(122, 140, 255, 0.16);
  background: linear-gradient(180deg, rgba(19, 26, 58, 0.9), rgba(5, 8, 26, 0.55));
}

.page-about .about-team__tag {
  display: inline-block;
  margin: 0;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--deep);
  background: var(--cyan);
}

.page-about .about-team__title {
  margin: 16px 0 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
}

.page-about .about-team__card p {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 底部引导 ---------- */
.page-about .about-next__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: clamp(26px, 4vw, 46px);
  border-radius: var(--radius);
}

.page-about .about-next__copy .lede {
  margin-top: 14px;
  max-width: 58ch;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .about-data__row {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-about .about-column__panes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-about .about-next__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 5vw, 64px);
  }

  .page-about .about-data__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-about .about-eco__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-about .about-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px;
  }

  .page-about .about-flow__step::after {
    content: "";
    position: absolute;
    top: 46px;
    right: -26px;
    width: 26px;
    height: 2px;
    background: linear-gradient(90deg, var(--violet), var(--cyan));
    opacity: 0.6;
  }

  .page-about .about-flow__step:last-child::after {
    display: none;
  }
}

@media (min-width: 1120px) {
  .page-about .about-track__item {
    padding-right: clamp(28px, 4vw, 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-track__item,
  .page-about .about-track__item::before,
  .page-about .about-flow__step {
    transition: none;
  }
}