.page-about {
  --scale-w: 176px;
  --about-gutter: clamp(16px, 3vw, 32px);
  color: var(--ink);
  background: var(--paper);
}

/* ---------- 导语区 ---------- */
.page-about .about-lede {
  padding: clamp(24px, 4vw, 52px) 0 clamp(20px, 3vw, 36px);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-lede__tag {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-deep);
  margin: 0 0 18px;
  text-transform: uppercase;
}

.page-about .about-lede__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5.2vw, 52px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 clamp(20px, 3vw, 32px);
  max-width: 22ch;
  position: relative;
  padding-left: 14px;
}

.page-about .about-lede__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.14em;
  bottom: 0.14em;
  width: 3px;
  background: linear-gradient(180deg, var(--gold) 0%, var(--cinnabar) 100%);
}

.page-about .about-lede__cols {
  display: grid;
  gap: 18px;
  max-width: 68ch;
}

.page-about .about-lede__cols p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-about .about-lede__cols .lede {
  font-size: 17px;
  color: var(--ink);
}

.page-about .about-facts {
  list-style: none;
  margin: clamp(24px, 3.5vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-about .about-facts__item {
  background: var(--paper);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .about-facts__num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--gold-deep);
  line-height: 1;
}

.page-about .about-facts__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- 顶部横幅 ---------- */
.page-about .about-banner {
  margin: clamp(24px, 4vw, 44px) 0 clamp(32px, 5vw, 64px);
}

/* ---------- 沿革主体：左刻度 + 右主栏 ---------- */
.page-about .about-timeline__head {
  margin-bottom: clamp(24px, 3.5vw, 40px);
}

.page-about .about-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--about-gutter);
}

.page-about .about-scale {
  display: none;
}

.page-about .about-main {
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 4vw, 52px);
  min-width: 0;
}

/* ---------- 赛季段落 ---------- */
.page-about .season-block {
  position: relative;
  padding: 0 0 0 22px;
  border-left: 2px solid var(--line-soft);
  scroll-margin-top: 120px;
}

.page-about .season-block::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 12px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--silver);
  transition: background 200ms ease;
}

.page-about .season-block[data-active]::before,
.page-about .season-block:target::before {
  background: var(--cinnabar);
  box-shadow: 0 0 0 4px rgba(184, 67, 47, 0.16);
}

.page-about .season-block__ghost {
  position: absolute;
  right: 0;
  top: -8px;
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  color: rgba(201, 162, 83, 0.2);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.page-about .season-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin-bottom: 14px;
}

.page-about .season-block__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--silver);
}

.page-about .season-block__year {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.4vw, 29px);
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-about .season-block__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
  padding: 3px 10px;
  border: 1px solid rgba(201, 162, 83, 0.5);
  background: rgba(201, 162, 83, 0.08);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.page-about .season-block__body p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 68ch;
}

.page-about .season-block__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .season-block__points li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-about .season-block__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 2px;
  background: var(--gold);
}

/* ---------- 团队与分工 ---------- */
.page-about .about-team {
  margin-top: clamp(40px, 6vw, 80px);
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
}

.page-about .about-team__intro .section__lead {
  max-width: 62ch;
}

.page-about .about-team__intro > p {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 66ch;
}

.page-about .about-team__rail {
  order: 3;
}

.page-about .about-team__panels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .team-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  padding: 20px 18px 18px;
  clip-path: polygon(0 var(--cut-sm), var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%);
  transition: background 200ms ease, border-color 200ms ease;
}

.page-about .team-card:focus-within,
.page-about .team-card:hover {
  border-color: var(--gold);
  background: var(--paper-2);
}

.page-about .team-card__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: rgba(122, 92, 34, 0.42);
  line-height: 1;
  margin-bottom: 10px;
}

.page-about .team-card__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
}

.page-about .team-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cinnabar);
}

.page-about .team-card__detail {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 240ms ease, opacity 240ms ease, margin-top 240ms ease;
}

.page-about .team-card:hover .team-card__detail,
.page-about .team-card:focus-within .team-card__detail {
  max-height: 220px;
  opacity: 1;
}

/* ---------- 校核流程 ---------- */
.page-about .about-check {
  margin-top: clamp(40px, 6vw, 84px);
  padding-top: clamp(32px, 4vw, 56px);
  border-top: 1px solid var(--line-soft);
}

.page-about .about-check__head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-about .about-check__bg {
  margin: 0 0 clamp(24px, 3vw, 38px);
}

.page-about .checkflow {
  position: relative;
}

.page-about .checkflow__svg {
  display: block;
  width: 100%;
  height: 92px;
  margin-bottom: -6px;
}

.page-about .checkflow__line {
  stroke: var(--silver);
  stroke-width: 2;
  stroke-dasharray: 6 7;
}

.page-about .checkflow__node {
  fill: var(--paper-2);
  stroke: var(--gold-deep);
  stroke-width: 2;
}

.page-about .checkflow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .checkflow__step {
  background: var(--paper-2);
  padding: 18px 16px;
  border-left: 3px solid var(--gold);
}

.page-about .checkflow__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--silver);
  margin-bottom: 8px;
}

.page-about .checkflow__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--ink);
}

.page-about .checkflow__step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 更新与归档 ---------- */
.page-about .about-release {
  margin-top: clamp(40px, 6vw, 84px);
}

.page-about .about-release .section__title,
.page-about .about-release .section__kicker {
  color: var(--paper);
}

.page-about .about-release .section__kicker {
  border-color: rgba(201, 162, 83, 0.5);
  color: var(--gold);
}

.page-about .about-release .section__lead {
  color: rgba(243, 239, 230, 0.76);
  max-width: 64ch;
}

.page-about .about-release__head {
  margin-bottom: clamp(24px, 3.5vw, 40px);
}

.page-about .release-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(142, 154, 155, 0.3);
  border: 1px solid rgba(142, 154, 155, 0.3);
}

.page-about .release-stat {
  background: var(--green-800);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .release-stat__num {
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--gold);
}

.page-about .release-stat__unit {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(243, 239, 230, 0.6);
}

.page-about .release-stat__label {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 239, 230, 0.84);
}

.page-about .release-notes {
  margin-top: clamp(24px, 3.5vw, 40px);
}

.page-about .about-release .note-rail {
  border-left-color: var(--gold);
}

.page-about .about-release .note-rail__title {
  color: var(--gold);
}

.page-about .about-release .note-rail__body {
  color: rgba(243, 239, 230, 0.82);
  font-size: 15px;
  line-height: 1.85;
}

.page-about .about-release .note-rail__body a {
  color: var(--paper);
  text-decoration: underline;
  text-decoration-color: var(--cinnabar);
  text-underline-offset: 3px;
  transition: color 200ms ease, text-decoration-color 200ms ease;
}

.page-about .about-release .note-rail__body a:hover,
.page-about .about-release .note-rail__body a:focus-visible {
  color: var(--gold);
  text-decoration-color: var(--gold);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {

  .page-about .about-lede__cols {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 32px;
    max-width: none;
  }

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

  .page-about .about-facts__num {
    font-size: 38px;
  }

  .page-about .about-body {
    grid-template-columns: var(--scale-w) minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 68px);
    align-items: start;
  }

  .page-about .about-scale {
    display: block;
    position: sticky;
    top: 108px;
    padding-right: 6px;
  }

  .page-about .about-scale__title {
    margin: 0 0 18px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--silver);
  }

  .page-about .about-scale__list {
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 26px;
  }

  .page-about .about-scale__list::before {
    content: "";
    position: absolute;
    left: 5px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--line-soft);
  }

  .page-about .about-scale__link {
    position: relative;
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: var(--ink-soft);
  }

  .page-about .about-scale__dot {
    position: relative;
    z-index: 1;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--paper);
    border: 2px solid var(--silver);
    flex: none;
    transition: background 200ms ease, border-color 200ms ease, transform 200ms ease;
  }

  .page-about .about-scale__year {
    font-family: var(--font-mono);
    font-size: 14px;
    letter-spacing: 0.1em;
    font-variant-numeric: tabular-nums;
    transition: color 200ms ease;
  }

  .page-about .about-scale__link:hover .about-scale__dot,
  .page-about .about-scale__link:focus-visible .about-scale__dot {
    border-color: var(--gold);
    transform: scale(1.18);
  }

  .page-about .about-scale__link[data-active] .about-scale__dot,
  .page-about .about-scale__link[aria-current] .about-scale__dot {
    background: var(--cinnabar);
    border-color: var(--cinnabar);
    transform: scale(1.3);
  }

  .page-about .about-scale__link[data-active] .about-scale__year,
  .page-about .about-scale__link[aria-current] .about-scale__year {
    color: var(--cinnabar);
  }

  .page-about .about-scale__link:focus-visible {
    outline: 2px solid var(--cinnabar);
    outline-offset: 4px;
  }

  .page-about .season-block {
    padding-left: 30px;
  }

  .page-about .season-block__ghost {
    font-size: 72px;
    top: -14px;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: clamp(28px, 4vw, 56px);
    row-gap: clamp(24px, 3vw, 38px);
  }

  .page-about .about-team__intro {
    grid-column: 1;
    grid-row: 1;
  }

  .page-about .about-team__rail {
    grid-column: 2;
    grid-row: 1 / span 2;
    order: 0;
    align-self: start;
    position: sticky;
    top: 108px;
  }

  .page-about .about-team__panels {
    grid-column: 1;
    grid-row: 2;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 18px;
  }

  .page-about .team-card:nth-child(even) {
    transform: translateY(20px);
  }

  .page-about .checkflow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-about .release-notes .note-rail {
    max-width: 72ch;
  }

}

@media (min-width: 1180px) {
  .page-about .season-block__ghost {
    font-size: 84px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-card,
  .page-about .team-card__detail,
  .page-about .about-scale__dot,
  .page-about .about-scale__year,
  .page-about .season-block::before {
    transition: none;
  }
  .page-about .team-card:nth-child(even) {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>
<<<END>>>