.page-about {
  --about-gap: clamp(56px, 7vw, 96px);
  display: block;
  background: var(--ink-900);
  color: var(--white);
  padding-bottom: var(--about-gap);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-about .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--silver);
}
.page-about .crumbs a {
  color: var(--green);
  text-decoration: none;
}
.page-about .crumbs a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-about .crumbs__sep {
  color: var(--line);
}

/* ---------- 首屏自述 + 关键数字 ---------- */
.page-about .about-intro {
  display: grid;
  gap: clamp(30px, 4vw, 44px);
  padding-top: clamp(24px, 3vw, 40px);
  padding-bottom: var(--about-gap);
  border-bottom: 2px solid var(--line);
}
.page-about .about-intro__lede h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 60px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: .01em;
  color: var(--white);
}
.page-about .about-intro__lede p {
  margin: 20px 0 0;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--silver);
}
.page-about .about-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-nums {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding-top: 22px;
  border-top: 2px solid var(--line);
}
.page-about .about-num {
  min-width: 0;
}
.page-about .about-num__val {
  display: block;
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(32px, 6vw, 48px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  color: var(--white);
}
.page-about .about-num__label {
  display: block;
  margin: 10px 0 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  line-height: 1.5;
  color: var(--green);
}

@media (min-width: 960px) {
  .page-about .about-intro {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr);
    align-items: end;
    gap: clamp(40px, 5vw, 72px);
  }
  .page-about .about-nums {
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 0;
    padding-left: clamp(20px, 2vw, 30px);
    border-top: 0;
    border-left: 2px solid var(--line);
  }
  .page-about .about-num + .about-num {
    margin-top: 22px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
  }
  .page-about .about-num__val {
    font-size: clamp(44px, 4.6vw, 68px);
  }
}

/* ---------- 赛季带 ---------- */
.page-about .about-track {
  position: relative;
  border-bottom: 2px solid var(--line);
}
.page-about .about-track__media {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
  overflow: hidden;
}
.page-about .about-track__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: brightness(.64) saturate(.78) contrast(1.06);
}
.page-about .about-track__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 7, 14, .1) 0%, rgba(5, 7, 14, .9) 100%),
    linear-gradient(90deg, rgba(57, 255, 136, .14) 0%, rgba(5, 7, 14, 0) 58%);
}
.page-about .about-track__media .media__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--white);
  background: rgba(5, 7, 14, .72);
  border-top: 2px solid var(--green);
}

.page-about .about-track__body {
  padding-top: clamp(34px, 5vw, 56px);
  padding-bottom: clamp(46px, 6vw, 80px);
}
.page-about .about-track__head h2 {
  margin: 12px 0 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.6vw, 42px);
  font-weight: 900;
  line-height: 1.12;
  color: var(--white);
}
.page-about .about-track__head p {
  margin: 16px 0 0;
  max-width: 52em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .season-track {
  position: relative;
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}
.page-about .season-node {
  position: relative;
  min-width: 0;
  padding-top: 20px;
  border-top: 2px solid var(--line);
}
.page-about .season-node::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  background: var(--ink-900);
  border: 2px solid var(--silver);
  transition: border-color .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}
.page-about .season-node:hover::before {
  border-color: var(--green);
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(57, 255, 136, .16);
}
.page-about .season-node__tag {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--green);
}
.page-about .season-node__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.28;
  color: var(--white);
}
.page-about .season-node__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--silver);
}

@media (min-width: 700px) {
  .page-about .season-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 24px;
  }
}
@media (min-width: 1100px) {
  .page-about .season-track {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 20px;
    padding-top: 42px;
    margin-top: 44px;
  }
  .page-about .season-track::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--green) 0%, var(--green-dim) 28%, var(--blue) 70%, var(--line) 100%);
  }
  .page-about .season-node {
    border-top: 0;
    padding-top: 0;
  }
  .page-about .season-node::before {
    top: -48px;
  }
}

/* ---------- 团队 + 数据来源 ---------- */
.page-about .about-stack {
  display: grid;
  gap: 24px;
  padding-top: var(--about-gap);
  padding-bottom: var(--about-gap);
}
.page-about .about-block {
  min-width: 0;
  padding: clamp(22px, 3vw, 36px);
}
.page-about .about-block--data {
  border-top: 3px solid var(--blue);
}
.page-about .about-block .panel__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.1vw, 38px);
  font-weight: 900;
  line-height: 1.14;
  color: var(--white);
}
.page-about .about-block .panel__head p {
  margin: 14px 0 0;
  max-width: 48em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

@media (min-width: 1024px) {
  .page-about .about-block--team {
    margin-right: 6%;
  }
  .page-about .about-block--data {
    margin-left: 6%;
    margin-top: -24px;
  }
}

.page-about .about-block__cols {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}
@media (min-width: 900px) {
  .page-about .about-block__cols {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 36px;
    align-items: start;
  }
}

.page-about .team-list {
  min-width: 0;
}
.page-about .team-item {
  border-top: 2px solid var(--line);
}
.page-about .team-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 900;
  color: var(--white);
}
.page-about .team-item summary::-webkit-details-marker {
  display: none;
}
.page-about .team-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--green);
}
.page-about .team-item[open] summary::after {
  content: "\2013";
}
.page-about .team-item__idx {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--green);
}
.page-about .team-item p {
  margin: 0 0 18px;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

.page-about .about-figure {
  margin: 0;
  min-width: 0;
  background: var(--ink-800);
  border: 2px solid var(--line);
  box-shadow: var(--shadow);
}
.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: brightness(.68) saturate(.76);
}
.page-about .about-figure figcaption {
  padding: 12px 14px;
  border-top: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--silver);
}

.page-about .source-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 26px;
}
@media (min-width: 760px) {
  .page-about .source-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-about .source-card {
  min-width: 0;
  padding: 20px 18px;
  background: var(--ink-700);
  border: 2px solid var(--line);
}
.page-about .source-card__k {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--blue);
}
.page-about .source-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--white);
}
.page-about .source-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-about .sync-strip {
  display: grid;
  gap: 18px;
  margin-top: 22px;
  padding: 20px;
  background: var(--ink-700);
  border-left: 4px solid var(--green);
}
@media (min-width: 760px) {
  .page-about .sync-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }
}
.page-about .sync-item {
  min-width: 0;
}
.page-about .sync-item__val {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
  color: var(--white);
}
.page-about .sync-item__k {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners {
  border-top: 2px solid var(--line);
  background: var(--ink-800);
}
.page-about .about-partners__inner {
  padding-top: clamp(44px, 6vw, 76px);
  padding-bottom: var(--about-gap);
}
.page-about .about-partners__head h2 {
  margin: 12px 0 0;
  max-width: 22em;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.6vw, 42px);
  font-weight: 900;
  line-height: 1.12;
  color: var(--white);
}
.page-about .about-partners__head p {
  margin: 16px 0 0;
  max-width: 50em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .about-partners__body {
  display: grid;
  gap: 28px;
  margin-top: 32px;
}
@media (min-width: 900px) {
  .page-about .about-partners__body {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: 40px;
    align-items: start;
  }
}
.page-about .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  min-width: 0;
}
@media (min-width: 620px) {
  .page-about .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-about .partner-card {
  min-width: 0;
  padding: 22px 20px;
  background: var(--ink-900);
  border: 2px solid var(--line);
  border-left: 4px solid var(--green);
  box-shadow: var(--shadow);
}
.page-about .partner-card__k {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--green);
}
.page-about .partner-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--white);
}
.page-about .partner-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
}

.page-about .reach-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin-top: 28px;
  background: var(--line);
  border: 2px solid var(--line);
}
@media (min-width: 700px) {
  .page-about .reach-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-about .reach-item {
  min-width: 0;
  padding: 20px 18px;
  background: var(--ink-900);
}
.page-about .reach-val {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--white);
}
.page-about .reach-k {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.68;
  color: var(--silver);
}

/* ---------- 支持收束 ---------- */
.page-about .about-help__inner {
  padding-top: clamp(48px, 6vw, 84px);
}
.page-about .about-help__head h2 {
  margin: 12px 0 0;
  max-width: 22em;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.6vw, 42px);
  font-weight: 900;
  line-height: 1.12;
  color: var(--white);
}
.page-about .about-help__head p {
  margin: 16px 0 0;
  max-width: 50em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .help-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin: 30px 0 0;
  padding: 0;
  background: var(--line);
  border: 2px solid var(--line);
}
@media (min-width: 640px) {
  .page-about .help-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1000px) {
  .page-about .help-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.page-about .help-list li {
  min-width: 0;
  padding: 20px 18px;
  background: var(--ink-800);
}
.page-about .help-k {
  display: block;
  margin-bottom: 9px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--green);
}
.page-about .help-v {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-about .about-help__note {
  margin: 22px 0 0;
  max-width: 52em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}
.page-about .about-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

@media (prefers-reduced-motion: reduce) {
  .page-about .season-node::before,
  .page-about .team-item summary::after {
    transition: none;
  }
}
</main>>>

.page-about {
  --about-gap: clamp(56px, 7vw, 96px);
  display: block;
  background: var(--ink-900);
  color: var(--white);
  padding-bottom: var(--about-gap);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-about .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--silver);
}
.page-about .crumbs a {
  color: var(--green);
  text-decoration: none;
}
.page-about .crumbs a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-about .crumbs__sep {
  color: var(--line);
}

/* ---------- 首屏自述 ---------- */
.page-about .about-intro {
  display: grid;
  gap: clamp(30px, 4vw, 44px);
  padding-top: clamp(24px, 3vw, 40px);
  padding-bottom: var(--about-gap);
  border-bottom: 2px solid var(--line);
}
.page-about .about-intro__lede h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 60px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: .01em;
  color: var(--white);
}
.page-about .about-intro__lede p {
  margin: 18px 0 0;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--silver);
}
.page-about .about-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-nums {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding-top: 22px;
  border-top: 2px solid var(--line);
}
.page-about .about-num {
  min-width: 0;
}
.page-about .about-num__val {
  display: block;
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(32px, 6vw, 48px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  color: var(--white);
}
.page-about .about-num__label {
  display: block;
  margin: 10px 0 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  line-height: 1.5;
  color: var(--green);
}

@media (min-width: 960px) {
  .page-about .about-intro {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr);
    align-items: end;
    gap: clamp(40px, 5vw, 72px);
  }
  .page-about .about-nums {
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 0;
    padding-left: clamp(20px, 2vw, 30px);
    border-top: 0;
    border-left: 2px solid var(--line);
  }
  .page-about .about-num + .about-num {
    margin-top: 22px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
  }
  .page-about .about-num__val {
    font-size: clamp(44px, 4.6vw, 68px);
  }
}

/* ---------- 赛季带 ---------- */
.page-about .about-track {
  position: relative;
  border-bottom: 2px solid var(--line);
}
.page-about .about-track__media {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
  overflow: hidden;
}
.page-about .about-track__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: brightness(.64) saturate(.78) contrast(1.06);
}
.page-about .about-track__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 7, 14, .1) 0%, rgba(5, 7, 14, .9) 100%),
    linear-gradient(90deg, rgba(57, 255, 136, .14) 0%, rgba(5, 7, 14, 0) 58%);
}
.page-about .about-track__media .media__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--white);
  background: rgba(5, 7, 14, .72);
  border-top: 2px solid var(--green);
}

.page-about .about-track__body {
  padding-top: clamp(34px, 5vw, 56px);
  padding-bottom: clamp(46px, 6vw, 80px);
}
.page-about .about-track__head h2 {
  margin: 12px 0 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.6vw, 42px);
  font-weight: 900;
  line-height: 1.12;
  color: var(--white);
}
.page-about .about-track__head p {
  margin: 16px 0 0;
  max-width: 52em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .season-track {
  position: relative;
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}
.page-about .season-node {
  position: relative;
  min-width: 0;
  padding-top: 20px;
  border-top: 2px solid var(--line);
}
.page-about .season-node::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  background: var(--ink-900);
  border: 2px solid var(--silver);
  transition: border-color .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}
.page-about .season-node:hover::before {
  border-color: var(--green);
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(57, 255, 136, .16);
}
.page-about .season-node__tag {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--green);
}
.page-about .season-node__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.28;
  color: var(--white);
}
.page-about .season-node__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--silver);
}

@media (min-width: 700px) {
  .page-about .season-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 24px;
  }
}
@media (min-width: 1100px) {
  .page-about .season-track {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 20px;
    padding-top: 42px;
    margin-top: 44px;
  }
  .page-about .season-track::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--green) 0%, var(--green-dim) 28%, var(--blue) 70%, var(--line) 100%);
  }
  .page-about .season-node {
    border-top: 0;
    padding-top: 0;
  }
  .page-about .season-node::before {
    top: -48px;
  }
}

/* ---------- 错位画板：团队与数据来源 ---------- */
.page-about .about-stack {
  display: grid;
  gap: 24px;
  padding-top: var(--about-gap);
  padding-bottom: var(--about-gap);
}
.page-about .about-block {
  min-width: 0;
  padding: clamp(22px, 3vw, 36px);
}
.page-about .about-block--data {
  border-top: 3px solid var(--blue);
}
.page-about .about-block .panel__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.1vw, 38px);
  font-weight: 900;
  line-height: 1.14;
  color: var(--white);
}
.page-about .about-block .panel__head p {
  margin: 14px 0 0;
  max-width: 48em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

@media (min-width: 1024px) {
  .page-about .about-block--team {
    margin-right: 6%;
  }
  .page-about .about-block--data {
    margin-left: 6%;
    margin-top: -24px;
  }
}

.page-about .about-block__cols {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}
@media (min-width: 900px) {
  .page-about .about-block__cols {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 36px;
    align-items: start;
  }
}

.page-about .team-list {
  min-width: 0;
}
.page-about .team-item {
  border-top: 2px solid var(--line);
}
.page-about .team-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 900;
  color: var(--white);
}
.page-about .team-item summary::-webkit-details-marker {
  display: none;
}
.page-about .team-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--green);
}
.page-about .team-item[open] summary::after {
  content: "\2013";
}
.page-about .team-item__idx {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--green);
}
.page-about .team-item p {
  margin: 0 0 18px;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

.page-about .about-figure {
  margin: 0;
  min-width: 0;
  background: var(--ink-800);
  border: 2px solid var(--line);
  box-shadow: var(--shadow);
}
.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: brightness(.68) saturate(.76);
}
.page-about .about-figure figcaption {
  padding: 12px 14px;
  border-top: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--silver);
}

.page-about .source-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 26px;
}
@media (min-width: 760px) {
  .page-about .source-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-about .source-card {
  min-width: 0;
  padding: 20px 18px;
  background: var(--ink-700);
  border: 2px solid var(--line);
}
.page-about .source-card__k {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--blue);
}
.page-about .source-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--white);
}
.page-about .source-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-about .sync-strip {
  display: grid;
  gap: 18px;
  margin-top: 22px;
  padding: 20px;
  background: var(--ink-700);
  border-left: 4px solid var(--green);
}
@media (min-width: 760px) {
  .page-about .sync-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }
}
.page-about .sync-item {
  min-width: 0;
}
.page-about .sync-item__val {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
  color: var(--white);
}
.page-about .sync-item__k {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners {
  border-top: 2px solid var(--line);
  background: var(--ink-800);
}
.page-about .about-partners__inner {
  padding-top: clamp(44px, 6vw, 76px);
  padding-bottom: var(--about-gap);
}
.page-about .about-partners__head h2 {
  margin: 12px 0 0;
  max-width: 22em;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.6vw, 42px);
  font-weight: 900;
  line-height: 1.12;
  color: var(--white);
}
.page-about .about-partners__head p {
  margin: 16px 0 0;
  max-width: 50em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .about-partners__body {
  display: grid;
  gap: 28px;
  margin-top: 32px;
}
@media (min-width: 900px) {
  .page-about .about-partners__body {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: 40px;
    align-items: start;
  }
}
.page-about .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  min-width: 0;
}
@media (min-width: 620px) {
  .page-about .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-about .partner-card {
  min-width: 0;
  padding: 22px 20px;
  background: var(--ink-900);
  border: 2px solid var(--line);
  border-left: 4px solid var(--green);
  box-shadow: var(--shadow);
}
.page-about .partner-card__k {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--green);
}
.page-about .partner-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--white);
}
.page-about .partner-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
}

.page-about .reach-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin-top: 28px;
  background: var(--line);
  border: 2px solid var(--line);
}
@media (min-width: 700px) {
  .page-about .reach-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-about .reach-item {
  min-width: 0;
  padding: 20px 18px;
  background: var(--ink-900);
}
.page-about .reach-val {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--white);
}
.page-about .reach-k {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.68;
  color: var(--silver);
}

/* ---------- 支持收束 ---------- */
.page-about .about-help__inner {
  padding-top: clamp(48px, 6vw, 84px);
}
.page-about .about-help__head h2 {
  margin: 12px 0 0;
  max-width: 22em;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.6vw, 42px);
  font-weight: 900;
  line-height: 1.12;
  color: var(--white);
}
.page-about .about-help__head p {
  margin: 16px 0 0;
  max-width: 50em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .help-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin: 30px 0 0;
  padding: 0;
  background: var(--line);
  border: 2px solid var(--line);
}
@media (min-width: 640px) {
  .page-about .help-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1000px) {
  .page-about .help-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.page-about .help-list li {
  min-width: 0;
  padding: 20px 18px;
  background: var(--ink-800);
}
.page-about .help-k {
  display: block;
  margin-bottom: 9px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--green);
}
.page-about .help-v {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-about .about-help__note {
  margin: 22px 0 0;
  max-width: 52em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}
.page-about .about-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

@media (prefers-reduced-motion: reduce) {
  .page-about .season-node::before,
  .page-about .team-item summary::after {
    transition: none;
  }
}

.page-about {
  --about-gap: clamp(56px, 7vw, 96px);
  display: block;
  background: var(--ink-900);
  color: var(--white);
  padding-bottom: var(--about-gap);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-about .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--silver);
}
.page-about .crumbs a {
  color: var(--green);
  text-decoration: none;
}
.page-about .crumbs a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-about .crumbs__sep {
  color: var(--line);
}

/* ---------- 首屏自述 ---------- */
.page-about .about-intro {
  display: grid;
  gap: clamp(30px, 4vw, 44px);
  padding-top: clamp(24px, 3vw, 40px);
  padding-bottom: var(--about-gap);
  border-bottom: 2px solid var(--line);
}
.page-about .about-intro__lede h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 60px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: .01em;
  color: var(--white);
}
.page-about .about-intro__lede p {
  margin: 18px 0 0;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--silver);
}
.page-about .about-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-nums {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding-top: 22px;
  border-top: 2px solid var(--line);
}
.page-about .about-num {
  min-width: 0;
}
.page-about .about-num__val {
  display: block;
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(32px, 6vw, 48px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  color: var(--white);
}
.page-about .about-num__label {
  display: block;
  margin: 10px 0 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  line-height: 1.5;
  color: var(--green);
}

@media (min-width: 960px) {
  .page-about .about-intro {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr);
    align-items: end;
    gap: clamp(40px, 5vw, 72px);
  }
  .page-about .about-nums {
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 0;
    padding-left: clamp(20px, 2vw, 30px);
    border-top: 0;
    border-left: 2px solid var(--line);
  }
  .page-about .about-num + .about-num {
    margin-top: 22px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
  }
  .page-about .about-num__val {
    font-size: clamp(44px, 4.6vw, 68px);
  }
}

/* ---------- 赛季带 ---------- */
.page-about .about-track {
  position: relative;
  border-bottom: 2px solid var(--line);
}
.page-about .about-track__media {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
  overflow: hidden;
}
.page-about .about-track__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: brightness(.64) saturate(.78) contrast(1.06);
}
.page-about .about-track__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 7, 14, .1) 0%, rgba(5, 7, 14, .9) 100%),
    linear-gradient(90deg, rgba(57, 255, 136, .14) 0%, rgba(5, 7, 14, 0) 58%);
}
.page-about .about-track__media .media__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--white);
  background: rgba(5, 7, 14, .72);
  border-top: 2px solid var(--green);
}

.page-about .about-track__body {
  padding-top: clamp(34px, 5vw, 56px);
  padding-bottom: clamp(46px, 6vw, 80px);
}
.page-about .about-track__head h2 {
  margin: 12px 0 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.6vw, 42px);
  font-weight: 900;
  line-height: 1.12;
  color: var(--white);
}
.page-about .about-track__head p {
  margin: 16px 0 0;
  max-width: 52em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .season-track {
  position: relative;
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}
.page-about .season-node {
  position: relative;
  min-width: 0;
  padding-top: 20px;
  border-top: 2px solid var(--line);
}
.page-about .season-node::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  background: var(--ink-900);
  border: 2px solid var(--silver);
  transition: border-color .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}
.page-about .season-node:hover::before {
  border-color: var(--green);
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(57, 255, 136, .16);
}
.page-about .season-node__tag {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--green);
}
.page-about .season-node__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.28;
  color: var(--white);
}
.page-about .season-node__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--silver);
}

@media (min-width: 700px) {
  .page-about .season-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 24px;
  }
}
@media (min-width: 1100px) {
  .page-about .season-track {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 20px;
    padding-top: 42px;
    margin-top: 44px;
  }
  .page-about .season-track::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--green) 0%, var(--green-dim) 28%, var(--blue) 70%, var(--line) 100%);
  }
  .page-about .season-node {
    border-top: 0;
    padding-top: 0;
  }
  .page-about .season-node::before {
    top: -48px;
  }
}

/* ---------- 错位画板：团队与数据来源 ---------- */
.page-about .about-stack {
  display: grid;
  gap: 24px;
  padding-top: var(--about-gap);
  padding-bottom: var(--about-gap);
}
.page-about .about-block {
  min-width: 0;
  padding: clamp(22px, 3vw, 36px);
}
.page-about .about-block--data {
  border-top: 3px solid var(--blue);
}
.page-about .about-block .panel__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.1vw, 38px);
  font-weight: 900;
  line-height: 1.14;
  color: var(--white);
}
.page-about .about-block .panel__head p {
  margin: 14px 0 0;
  max-width: 48em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

@media (min-width: 1024px) {
  .page-about .about-block--team {
    margin-right: 6%;
  }
  .page-about .about-block--data {
    margin-left: 6%;
    margin-top: -24px;
  }
}

.page-about .about-block__cols {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}
@media (min-width: 900px) {
  .page-about .about-block__cols {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 36px;
    align-items: start;
  }
}

.page-about .team-list {
  min-width: 0;
}
.page-about .team-item {
  border-top: 2px solid var(--line);
}
.page-about .team-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 900;
  color: var(--white);
}
.page-about .team-item summary::-webkit-details-marker {
  display: none;
}
.page-about .team-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--green);
}
.page-about .team-item[open] summary::after {
  content: "\2013";
}
.page-about .team-item__idx {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--green);
}
.page-about .team-item p {
  margin: 0 0 18px;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

.page-about .about-figure {
  margin: 0;
  min-width: 0;
  background: var(--ink-800);
  border: 2px solid var(--line);
  box-shadow: var(--shadow);
}
.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: brightness(.68) saturate(.76);
}
.page-about .about-figure figcaption {
  padding: 12px 14px;
  border-top: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--silver);
}

.page-about .source-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 26px;
}
@media (min-width: 760px) {
  .page-about .source-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-about .source-card {
  min-width: 0;
  padding: 20px 18px;
  background: var(--ink-700);
  border: 2px solid var(--line);
}
.page-about .source-card__k {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--blue);
}
.page-about .source-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--white);
}
.page-about .source-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-about .sync-strip {
  display: grid;
  gap: 18px;
  margin-top: 22px;
  padding: 20px;
  background: var(--ink-700);
  border-left: 4px solid var(--green);
}
@media (min-width: 760px) {
  .page-about .sync-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }
}
.page-about .sync-item {
  min-width: 0;
}
.page-about .sync-item__val {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
  color: var(--white);
}
.page-about .sync-item__k {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners {
  border-top: 2px solid var(--line);
  background: var(--ink-800);
}
.page-about .about-partners__inner {
  padding-top: clamp(44px, 6vw, 76px);
  padding-bottom: var(--about-gap);
}
.page-about .about-partners__head h2 {
  margin: 12px 0 0;
  max-width: 22em;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.6vw, 42px);
  font-weight: 900;
  line-height: 1.12;
  color: var(--white);
}
.page-about .about-partners__head p {
  margin: 16px 0 0;
  max-width: 50em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .about-partners__body {
  display: grid;
  gap: 28px;
  margin-top: 32px;
}
@media (min-width: 900px) {
  .page-about .about-partners__body {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: 40px;
    align-items: start;
  }
}
.page-about .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  min-width: 0;
}
@media (min-width: 620px) {
  .page-about .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-about .partner-card {
  min-width: 0;
  padding: 22px 20px;
  background: var(--ink-900);
  border: 2px solid var(--line);
  border-left: 4px solid var(--green);
  box-shadow: var(--shadow);
}
.page-about .partner-card__k {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--green);
}
.page-about .partner-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--white);
}
.page-about .partner-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
}

.page-about .reach-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin-top: 28px;
  background: var(--line);
  border: 2px solid var(--line);
}
@media (min-width: 700px) {
  .page-about .reach-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-about .reach-item {
  min-width: 0;
  padding: 20px 18px;
  background: var(--ink-900);
}
.page-about .reach-val {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--white);
}
.page-about .reach-k {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.68;
  color: var(--silver);
}

/* ---------- 支持收束 ---------- */
.page-about .about-help__inner {
  padding-top: clamp(48px, 6vw, 84px);
}
.page-about .about-help__head h2 {
  margin: 12px 0 0;
  max-width: 22em;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.6vw, 42px);
  font-weight: 900;
  line-height: 1.12;
  color: var(--white);
}
.page-about .about-help__head p {
  margin: 16px 0 0;
  max-width: 50em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .help-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  margin: 30px 0 0;
  padding: 0;
  background: var(--line);
  border: 2px solid var(--line);
}
@media (min-width: 640px) {
  .page-about .help-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1000px) {
  .page-about .help-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.page-about .help-list li {
  min-width: 0;
  padding: 20px 18px;
  background: var(--ink-800);
}
.page-about .help-k {
  display: block;
  margin-bottom: 9px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--green);
}
.page-about .help-v {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-about .about-help__note {
  margin: 22px 0 0;
  max-width: 52em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}
.page-about .about-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

@media (prefers-reduced-motion: reduce) {
  .page-about .season-node::before,
  .page-about .team-item summary::after {
    transition: none;
  }
}