.page-about {
  --about-rail: 236px;
  --about-gap: clamp(30px, 4.4vw, 84px);
  --ink-soft: #C7D0CA;
  --ink-dim: #8E9A93;
  background: var(--ink);
  color: var(--bone);
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumb {
  padding-top: clamp(20px, 3vw, 36px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-block: clamp(24px, 3.6vw, 48px) clamp(34px, 5.4vw, 72px);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
}

@media (min-width: 960px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
    align-items: end;
  }
}

.page-about .about-hero__copy .eyebrow {
  color: var(--lime);
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 8vw, 96px);
  line-height: 0.96;
  letter-spacing: 0.01em;
  color: var(--bone);
}

.page-about .about-hero__title em {
  font-style: normal;
  color: var(--lime);
}

.page-about .about-hero__lead {
  margin: 20px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.35vw, 18px);
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-about .about-hero__meter {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-mid);
  border-left: 1px solid var(--line);
}

.page-about .about-hero__cell {
  padding: 16px 16px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line-mid);
}

.page-about .about-hero__k {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--ink-dim);
  text-transform: uppercase;
}

.page-about .about-hero__v {
  margin: 8px 0 0;
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--bone);
  font-variant-numeric: tabular-nums;
}

.page-about .about-hero__v span {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
}

/* ---------- 主体两栏 ---------- */
.page-about .about-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
  padding-top: clamp(30px, 4.4vw, 64px);
}

@media (min-width: 1020px) {
  .page-about .about-body {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
  }
}

/* ---------- 左侧档案轴 ---------- */
.page-about .about-rail {
  display: none;
}

@media (min-width: 1020px) {
  .page-about .about-rail {
    display: block;
    align-self: start;
    position: sticky;
    top: 112px;
    padding-bottom: 32px;
  }
}

.page-about .about-rail__cap {
  margin: 0 0 14px;
  color: var(--ink-dim);
}

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

.page-about .about-rail__node {
  position: relative;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 11px 0 11px 18px;
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
  transition: color 0.22s ease;
}

.page-about .about-rail__node::before {
  content: "";
  position: absolute;
  left: -3.5px;
  top: 17px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--line-mid);
  transition: background 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.page-about .about-rail__num {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lime-deep);
}

.page-about .about-rail__node:hover {
  color: var(--bone);
}

.page-about .about-rail__node:hover::before {
  background: var(--lime-deep);
  border-color: transparent;
}

.page-about:has(#start:target) .about-rail__node[href="#start"],
.page-about:has(#team:target) .about-rail__node[href="#team"],
.page-about:has(#proof:target) .about-rail__node[href="#proof"],
.page-about:has(#archive:target) .about-rail__node[href="#archive"],
.page-about:has(#crowd:target) .about-rail__node[href="#crowd"],
.page-about:has(#milestones:target) .about-rail__node[href="#milestones"],
.page-about:has(#next:target) .about-rail__node[href="#next"] {
  color: var(--lime);
}

.page-about:has(#start:target) .about-rail__node[href="#start"]::before,
.page-about:has(#team:target) .about-rail__node[href="#team"]::before,
.page-about:has(#proof:target) .about-rail__node[href="#proof"]::before,
.page-about:has(#archive:target) .about-rail__node[href="#archive"]::before,
.page-about:has(#crowd:target) .about-rail__node[href="#crowd"]::before,
.page-about:has(#milestones:target) .about-rail__node[href="#milestones"]::before,
.page-about:has(#next:target) .about-rail__node[href="#next"]::before {
  background: var(--lime);
  border-color: transparent;
  box-shadow: 0 0 0 4px rgba(198, 242, 78, 0.16);
}

/* ---------- 章节通用 ---------- */
.page-about .about-section {
  padding-block: clamp(34px, 5vw, 64px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 118px;
}

.page-about .about-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.page-about .about-section__index {
  flex: none;
  padding: 3px 8px;
  border: 1px solid var(--line-mid);
  border-radius: var(--radius);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-about .about-section__text {
  max-width: 60ch;
  margin: 0 0 18px;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-about .about-section__text:last-child {
  margin-bottom: 0;
}

.page-about .about-section__text--after {
  margin-top: 26px;
  max-width: 66ch;
}

.page-about .about-quote {
  margin: 26px 0 0;
  padding: 20px 22px;
  border-left: 2px solid var(--lime);
  background: linear-gradient(90deg, rgba(198, 242, 78, 0.08), rgba(198, 242, 78, 0) 72%);
}

.page-about .about-quote p {
  margin: 0;
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.75;
  color: var(--bone);
}

/* ---------- 团队三组 ---------- */
.page-about .trio {
  display: grid;
  gap: 1px;
  margin: 28px 0 30px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 780px) {
  .page-about .trio {
    grid-template-columns: 1.3fr 1fr 0.8fr;
  }
}

.page-about .trio__card {
  padding: 22px 20px 24px;
  background: var(--charcoal);
  transition: background 0.25s ease;
}

.page-about .trio__card:hover,
.page-about .trio__card:focus-within {
  background: var(--slate);
}

.page-about .trio__card:focus-visible {
  outline: 1px solid var(--lime);
  outline-offset: -1px;
}

.page-about .trio__count {
  margin: 0;
  font-size: clamp(38px, 4.6vw, 58px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.page-about .trio__name {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--bone);
}

.page-about .trio__sum {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-about .trio__more {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
}

.page-about .trio__more > div {
  overflow: hidden;
}

.page-about .trio__card:hover .trio__more,
.page-about .trio__card:focus-within .trio__more {
  grid-template-rows: 1fr;
}

@media (hover: none) {
  .page-about .trio__more {
    grid-template-rows: 1fr;
  }
}

.page-about .trio__duties {
  list-style: none;
  margin: 14px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
}

.page-about .trio__duties li {
  position: relative;
  padding-left: 14px;
  margin-bottom: 7px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-about .trio__duties li:last-child {
  margin-bottom: 0;
}

.page-about .trio__duties li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--lime-deep);
}

/* ---------- 图片 ---------- */
.page-about .about-figure {
  margin: 30px 0 0;
}

.page-about .about-figure .figure__caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
}

/* ---------- 校对三步 ---------- */
.page-about .flow {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}

.page-about .flow__step {
  display: grid;
  gap: 12px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

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

@media (min-width: 720px) {
  .page-about .flow__step {
    grid-template-columns: 118px minmax(0, 1fr);
    align-items: start;
    gap: 26px;
  }
}

.page-about .flow__no {
  display: block;
  font-size: clamp(44px, 6vw, 76px);
  font-weight: 700;
  line-height: 0.85;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.page-about .flow__step:nth-child(2) .flow__no {
  font-size: clamp(36px, 4.6vw, 58px);
  color: var(--lime-deep);
}

.page-about .flow__step:nth-child(3) .flow__no {
  font-size: clamp(28px, 3.4vw, 42px);
  color: var(--mist);
}

.page-about .flow__title {
  margin: 0;
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--bone);
}

.page-about .flow__text {
  margin: 8px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 档案数字 ---------- */
.page-about .figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 820px) {
  .page-about .figures {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .figures__item {
  padding: 20px 18px 22px;
  background: var(--charcoal);
}

.page-about .figures__item--amber {
  background: linear-gradient(160deg, rgba(233, 180, 76, 0.12), rgba(233, 180, 76, 0) 70%), var(--charcoal);
}

.page-about .figures__num {
  display: block;
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 700;
  line-height: 1;
  color: var(--bone);
  font-variant-numeric: tabular-nums;
}

.page-about .figures__num--amber {
  color: var(--amber);
}

.page-about .figures__label {
  display: block;
  margin-top: 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--ink-dim);
}

.page-about .figures__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 球迷组织 ---------- */
.page-about .crowd {
  display: grid;
  gap: 1px;
  margin-top: 28px;
  background: var(--line);
  border: 1px solid var(--line);
}

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

.page-about .crowd__stat {
  padding: 20px 18px 22px;
  background: var(--charcoal);
}

.page-about .crowd__num {
  display: block;
  font-size: clamp(32px, 3.8vw, 48px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.page-about .crowd__num small {
  font-size: 0.42em;
  letter-spacing: 0.08em;
  color: var(--lime-deep);
}

.page-about .crowd__label {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 赛季阶段 ---------- */
.page-about .phases {
  position: relative;
  margin-top: 30px;
  padding-left: 22px;
}

.page-about .phases::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--lime-deep), var(--line-mid) 34%, var(--line) 100%);
}

.page-about .phases__item {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-about .phases__item:first-child {
  border-top: 0;
  padding-top: 12px;
}

.page-about .phases__item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 26px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--lime-deep);
}

.page-about .phases__item:first-child::before {
  top: 18px;
  background: var(--lime);
  border-color: var(--lime);
}

@media (min-width: 740px) {
  .page-about .phases__item {
    grid-template-columns: 136px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }
}

.page-about .phases__when {
  margin: 0;
  padding-top: 3px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--ink-dim);
}

.page-about .phases__what {
  margin: 0;
  font-size: clamp(16px, 1.5vw, 20px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--bone);
}

.page-about .phases__note {
  margin: 8px 0 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 接下来 ---------- */
.page-about .next-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 780px) {
  .page-about .next-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .next-list__item {
  padding: 22px 20px 24px;
  background: var(--charcoal);
}

.page-about .next-list__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-about .next-list__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 底部入口 ---------- */
.page-about .about-cta {
  padding-block: clamp(38px, 5.6vw, 76px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(198, 242, 78, 0.04), rgba(11, 31, 26, 0) 60%);
}

.page-about .about-cta__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.page-about .about-cta__grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 680px) {
  .page-about .about-cta__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1060px) {
  .page-about .about-cta__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .about-cta__card {
  display: block;
  padding: 22px 20px 26px;
  background: var(--charcoal);
  text-decoration: none;
  color: inherit;
  transition: background 0.25s ease;
}

.page-about .about-cta__card:hover,
.page-about .about-cta__card:focus-visible {
  background: var(--slate);
}

.page-about .about-cta__card:focus-visible {
  outline: 1px solid var(--lime);
  outline-offset: -1px;
}

.page-about .about-cta__kicker {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lime-deep);
}

.page-about .about-cta__name {
  display: block;
  margin-top: 12px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--bone);
}

.page-about .about-cta__desc {
  display: block;
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}