/* ===== 品牌历程 / page-about ===== */

.page-about {
  --ab-body: rgba(246, 244, 236, .78);
  --ab-faint: rgba(246, 244, 236, .58);
  --ab-hair: rgba(20, 81, 62, .85);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-about h2,
.page-about h3 {
  margin: 0;
}

.page-about a:focus-visible,
.page-about button:focus-visible,
.page-about summary:focus-visible,
.page-about [tabindex]:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* ---------- 通用小区块 ---------- */

.page-about .ab-head {
  max-width: 62ch;
  margin-bottom: var(--step-l);
}

.page-about .ab-head h2 {
  margin: 14px 0 16px;
}

.page-about .ab-head__note {
  margin: 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ab-body);
}

.page-about .ab-copy p {
  margin: 0 0 18px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ab-body);
}

.page-about .ab-copy p:last-child {
  margin-bottom: 0;
}

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

.page-about .ab-fig {
  position: relative;
  overflow: hidden;
  border: var(--line);
  background: var(--ink-deep);
  box-shadow: var(--shadow-brutal);
  aspect-ratio: 3 / 2;
}

.page-about .ab-fig img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.86) contrast(1.04);
}

.page-about .ab-fig__cap {
  display: block;
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--ab-faint);
}

/* ---------- 首屏 ---------- */

.page-about .ab-hero {
  position: relative;
  padding: calc(var(--head-offset) + 48px) 0 0;
  background:
    radial-gradient(1100px 520px at 84% -14%, rgba(198, 255, 61, .11), transparent 62%),
    linear-gradient(180deg, var(--ink-deep) 0%, var(--ink) 78%);
}

.page-about .ab-hero__crumbs {
  margin-bottom: clamp(30px, 5vw, 58px);
}

.page-about .ab-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: end;
}

.page-about .ab-hero__kicker {
  margin: 0 0 18px;
  color: var(--lime);
}

.page-about .ab-hero__title {
  margin: 0 0 26px;
  font-size: clamp(36px, 6.4vw, 84px);
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-about .ab-hero__lede {
  margin: 0;
  max-width: 42em;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.85;
  color: var(--ab-body);
}

.page-about .ab-hero__side {
  border-left: 2px solid var(--turf);
  padding-left: 22px;
}

.page-about .ab-hero__big {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(62px, 9vw, 126px);
  font-weight: 300;
  line-height: .84;
  letter-spacing: -.02em;
  color: var(--lime);
}

.page-about .ab-hero__sidecap {
  margin: 16px 0 0;
  max-width: 22ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ab-faint);
}

@media (min-width: 980px) {
  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .7fr);
    gap: 56px;
  }
}

/* ---------- 首屏数据条 ---------- */

.page-about .ab-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin: clamp(38px, 5vw, 66px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--turf);
  border: 2px solid var(--turf);
}

.page-about .ab-stats__item {
  background: var(--ink);
  padding: 20px 20px 22px;
}

.page-about .ab-stats__v {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 600;
  line-height: 1;
  color: var(--lime);
}

.page-about .ab-stats__l {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ab-faint);
}

@media (min-width: 760px) {
  .page-about .ab-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 起点故事 ---------- */

.page-about .ab-origin {
  padding-top: var(--step-xl);
}

.page-about .ab-origin__grid {
  display: grid;
  gap: clamp(32px, 5vw, 60px);
  align-items: start;
}

.page-about .ab-origin__text .idx {
  color: var(--lime);
  margin: 0 0 14px;
}

.page-about .ab-origin__title {
  margin-bottom: 22px;
}

@media (min-width: 900px) {
  .page-about .ab-origin__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
  .page-about .ab-origin__fig {
    position: sticky;
    top: calc(var(--head-offset) + 24px);
  }
}

/* ---------- 纵向时间轴 ---------- */

.page-about .ab-tl {
  background: var(--ink-deep);
  border-top: var(--line);
  border-bottom: var(--line);
}

.page-about .ab-tl .idx {
  color: var(--lime);
}

.page-about .tl {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 22px;
  bottom: 46px;
  width: 2px;
  background: linear-gradient(180deg, var(--turf) 0%, var(--turf) 62%, rgba(20, 81, 62, 0) 100%);
}

.page-about .tl__item {
  position: relative;
  padding: 0 0 var(--step-l) 40px;
}

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

.page-about .tl__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 16px;
  height: 16px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--ink-deep);
  border: 2px solid var(--turf);
  transition: border-color var(--ease), background-color var(--ease);
}

.page-about .tl__item:hover::before,
.page-about .tl__item:focus-within::before {
  border-color: var(--lime);
  background: var(--lime);
}

.page-about .tl__item:target::before {
  border-color: var(--lime);
  background: var(--lime);
  box-shadow: 0 0 0 5px rgba(198, 255, 61, .18);
}

.page-about .tl__node {
  border: 2px solid var(--turf);
  background: rgba(20, 81, 62, .28);
  transition: border-color var(--ease), background-color var(--ease), box-shadow var(--ease);
}

.page-about .tl__node:hover {
  border-color: var(--lime);
}

.page-about .tl__node[open] {
  background: var(--ink);
  box-shadow: var(--shadow-brutal);
}

.page-about .tl__sum {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 20px 58px 20px 22px;
  cursor: pointer;
  list-style: none;
}

.page-about .tl__sum::-webkit-details-marker {
  display: none;
}

.page-about .tl__sum::marker {
  content: "";
}

.page-about .tl__sum::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 22px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lime);
}

.page-about .tl__node[open] .tl__sum::after {
  content: "−";
}

.page-about .tl__year {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--lime);
}

.page-about .tl__stage {
  font-size: clamp(16px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-about .tl__body {
  padding: 0 22px 24px;
}

.page-about .tl__body p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ab-body);
}

@media (min-width: 720px) {
  .page-about .tl__sum {
    grid-template-columns: 152px minmax(0, 1fr);
    align-items: baseline;
    gap: 26px;
  }
  .page-about .tl__body {
    padding-left: 200px;
  }
}

/* ---------- 阶段索引带 ---------- */

.page-about .ab-band {
  background: linear-gradient(90deg, var(--ink) 0%, var(--ink-deep) 50%, var(--ink) 100%);
  border-top: var(--line);
  border-bottom: var(--line);
}

.page-about .ab-band__label {
  margin: 0;
  color: var(--mist);
}

.page-about .ab-band__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  background: var(--turf);
  border: 2px solid var(--turf);
}

.page-about .ab-band__item {
  display: flex;
  background: var(--ink-deep);
}

.page-about .ab-band__link {
  flex: 1;
  padding: 18px 16px 20px;
  text-decoration: none;
  color: inherit;
  border-bottom: 2px solid transparent;
  transition: border-color var(--ease), background-color var(--ease);
}

.page-about .ab-band__link:hover,
.page-about .ab-band__link:focus-visible {
  border-bottom-color: var(--lime);
  background: rgba(198, 255, 61, .05);
  outline: none;
}

.page-about .ab-band__y {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--lime);
}

.page-about .ab-band__stage {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-about .ab-band__act {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--ab-faint);
}

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

@media (min-width: 1080px) {
  .page-about .ab-band__list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

/* ---------- 三项校准标准 ---------- */

.page-about .ab-std .idx {
  color: var(--lime);
}

.page-about .ab-std__list {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-std__card {
  position: relative;
  padding: 26px 24px 28px;
  border: 2px solid var(--turf);
  background: rgba(20, 81, 62, .3);
  transition: border-color var(--ease), background-color var(--ease), box-shadow var(--ease);
}

.page-about .ab-std__card:hover,
.page-about .ab-std__card:focus-within {
  border-color: var(--lime);
  background: rgba(20, 81, 62, .5);
  box-shadow: var(--shadow-brutal);
}

.page-about .ab-std__n {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-about .ab-std__t {
  margin: 14px 0 12px;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-about .ab-std__d {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ab-body);
}

.page-about .ab-std__hint {
  display: block;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(198, 255, 61, .26);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ab-faint);
  transition: color var(--ease);
}

.page-about .ab-std__card:hover .ab-std__hint,
.page-about .ab-std__card:focus-within .ab-std__hint {
  color: var(--lime);
}

@media (min-width: 1000px) {
  .page-about .ab-std__list {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 22px;
  }
  .page-about .ab-std__card:nth-child(1) {
    grid-column: 1 / span 7;
  }
  .page-about .ab-std__card:nth-child(2) {
    grid-column: 6 / span 7;
  }
  .page-about .ab-std__card:nth-child(3) {
    grid-column: 2 / span 7;
  }
}

/* ---------- 编辑团队（浅色分区） ---------- */

.page-about .ab-team {
  background: var(--paper);
  color: var(--carbon);
  border-top: 2px solid var(--turf);
  border-bottom: 2px solid var(--turf);
}

.page-about .ab-team .idx {
  margin: 0 0 14px;
  color: var(--turf);
}

.page-about .ab-team .headline {
  margin-bottom: 22px;
}

.page-about .ab-copy--paper p {
  color: rgba(20, 23, 26, .78);
}

.page-about .ab-team__grid {
  display: grid;
  gap: clamp(34px, 5vw, 60px);
  align-items: start;
}

.page-about .ab-team__fig {
  margin: 0;
}

.page-about .ab-team__fig .ab-fig {
  aspect-ratio: 14 / 9;
}

.page-about .ab-team__fig .ab-fig__cap {
  color: var(--mist);
}

.page-about .ab-team__steps {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-about .ab-team__steps li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--sand);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(20, 23, 26, .82);
}

.page-about .ab-team__sn {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--turf);
}

@media (min-width: 940px) {
  .page-about .ab-team__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 64px;
  }
}

/* ---------- 跨联赛同标准 ---------- */

.page-about .ab-cross {
  background:
    radial-gradient(760px 380px at 12% 0%, rgba(198, 255, 61, .08), transparent 64%),
    var(--ink);
}

.page-about .ab-cross .idx {
  color: var(--lime);
}

.page-about .ab-cross__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-about .ab-cross__title {
  margin: 14px 0 0;
  font-size: clamp(32px, 5vw, 62px);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-about .ab-cross__text p {
  margin: 0 0 18px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ab-body);
}

.page-about .ab-cross__text p:last-child {
  margin-bottom: 0;
}

.page-about .ab-cross__leagues {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(34px, 5vw, 56px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-cross__leagues li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border: 2px solid var(--turf);
  background: var(--ink-deep);
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
  transition: border-color var(--ease);
}

.page-about .ab-cross__leagues li:hover {
  border-color: var(--lime);
}

.page-about .ab-cross__ln {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--lime);
}

@media (min-width: 940px) {
  .page-about .ab-cross__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 64px;
  }
}

/* ---------- 赛季归档 ---------- */

.page-about .ab-archive {
  position: relative;
  overflow: hidden;
  background: var(--ink-deep);
  border-top: var(--line);
  border-bottom: var(--line);
}

.page-about .ab-archive__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-about .ab-archive__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .32;
}

.page-about .ab-archive__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 42, 32, .93) 0%, rgba(11, 61, 46, .86) 52%, rgba(7, 42, 32, .96) 100%);
}

.page-about .ab-archive__inner {
  position: relative;
  z-index: 1;
}

.page-about .ab-archive .idx {
  color: var(--lime);
}

.page-about .ab-archive__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-about .ab-archive__grid h2 {
  margin-top: 14px;
}

.page-about .ab-archive__text p {
  margin: 0 0 18px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ab-body);
}

.page-about .ab-archive__text p:last-child {
  margin-bottom: 0;
}

.page-about .ab-archive__facts {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 2px;
  margin: clamp(38px, 5vw, 62px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--turf);
  border: 2px solid var(--turf);
}

.page-about .ab-archive__facts li {
  background: rgba(7, 42, 32, .92);
  padding: 22px 22px 24px;
}

.page-about .ab-archive__n {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 600;
  line-height: 1;
  color: var(--lime);
}

.page-about .ab-archive__u {
  margin-left: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .ab-archive__d {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ab-faint);
}

@media (min-width: 760px) {
  .page-about .ab-archive__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-about .ab-archive__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 64px;
  }
}

/* ---------- 纠错通道 ---------- */

.page-about .ab-edit .idx {
  color: var(--lime);
}

.page-about .ab-edit__grid {
  display: grid;
  gap: clamp(34px, 5vw, 60px);
  align-items: start;
}

.page-about .ab-edit__intro h2 {
  margin: 14px 0 20px;
}

.page-about .ab-edit__lede {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ab-body);
}

.page-about .ab-edit__types {
  margin: 26px 0 30px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-about .ab-edit__types li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ab-body);
}

.page-about .ab-edit__types li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  background: var(--lime);
}

.page-about .ab-edit__panel {
  border: var(--line);
  background: var(--ink-deep);
  padding: 26px 24px 28px;
}

.page-about .ab-edit__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--ab-hair);
}

.page-about .ab-edit__row:first-child {
  padding-top: 0;
}

.page-about .ab-edit__k {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-about .ab-edit__v {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-all;
}

.page-about .ab-edit__v--text {
  font-family: var(--font-sans);
  word-break: normal;
}

.page-about .ab-edit__note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ab-faint);
}

@media (min-width: 940px) {
  .page-about .ab-edit__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 64px;
  }
}

/* ---------- 收束条 ---------- */

.page-about .ab-cta {
  background: var(--ink-deep);
  border-top: var(--line);
}

.page-about .ab-cta__inner {
  display: grid;
  gap: 20px;
  align-items: center;
}

.page-about .ab-cta__text {
  margin: 0;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-about .ab-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 860px) {
  .page-about .ab-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
  }
}
<<<END>>>