.page-about {
  --about-rule: rgba(200, 242, 78, 0.22);
  --about-ink-soft: rgba(23, 18, 14, 0.84);
  --about-ink-faint: rgba(23, 18, 14, 0.62);
  display: block;
  background: var(--night);
  color: var(--cream);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 首屏框景 ---------- */
.page-about .about-hero {
  position: relative;
  padding: calc(var(--nav-h) + 22px) 0 40px;
  background:
    radial-gradient(135% 90% at 86% -12%, rgba(23, 85, 63, 0.62), transparent 62%),
    linear-gradient(180deg, var(--night) 0%, #08211B 100%);
  border-bottom: 1px solid var(--hair-soft);
}

.page-about .about-hero .breadcrumbs {
  margin-bottom: 18px;
}

.page-about .about-hero__frame {
  position: relative;
  padding: 22px 16px 24px;
  border: 1px solid var(--hair-strong);
  background: linear-gradient(180deg, var(--glass) 0%, rgba(241, 233, 216, 0) 78%);
}

.page-about .about-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 9px;
  background-image: repeating-linear-gradient(90deg, var(--about-rule) 0 1px, transparent 1px 18px);
  opacity: 0.9;
}

.page-about .about-hero__frame::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 16px;
  width: 72px;
  height: 1px;
  background: var(--lime);
}

.page-about .about-hero__frame .plate {
  margin: 6px 0 0;
}

.page-about .about-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 8.2vw, 74px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--cream);
  text-wrap: balance;
}

.page-about .about-hero__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.75;
  color: rgba(241, 233, 216, 0.86);
}

.page-about .about-stats {
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--about-rule);
  border: 1px solid var(--about-rule);
}

.page-about .about-stats__cell {
  margin: 0;
  padding: 12px 13px 14px;
  background: rgba(6, 26, 21, 0.86);
}

.page-about .about-stats__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-about .about-stats__val {
  margin: 6px 0 0;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 21px;
  line-height: 1.2;
  color: var(--lime);
}

/* ---------- 区块底色与标题 ---------- */
.page-about .about-paper {
  background: var(--cream);
  color: var(--ink);
  padding: 44px 0 48px;
}

.page-about .about-band {
  background: var(--canvas);
  color: var(--cream);
  padding: 44px 0 48px;
  border-top: 1px solid var(--hair-soft);
  border-bottom: 1px solid var(--hair-soft);
}

.page-about .about-night {
  background: var(--night);
  color: var(--cream);
  padding: 44px 0 48px;
  border-bottom: 1px solid var(--hair-soft);
}

.page-about .about-head {
  max-width: 68ch;
}

.page-about .about-head__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--clay);
}

.page-about .about-head--dark .about-head__kicker {
  color: var(--amber);
}

.page-about .about-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(25px, 6.2vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-about .about-head__note {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.72;
  color: var(--mist);
}

.page-about .about-paper .about-head__note {
  color: var(--about-ink-faint);
}

.page-about .about-prose {
  margin-top: 22px;
  max-width: 66ch;
}

.page-about .about-prose p {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.78;
  color: var(--about-ink-soft);
}

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

.page-about .about-prose--dark p {
  color: rgba(241, 233, 216, 0.84);
}

.page-about .about-prose a,
.page-about .about-crew__item a {
  color: var(--turf);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-prose--dark a {
  color: var(--lime);
}

/* ---------- 编辑部四条线 ---------- */
.page-about .about-crew__figure {
  margin: 26px 0 0;
}

.page-about .about-crew__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-crew__item {
  padding: 16px 16px 18px 18px;
  background: linear-gradient(180deg, var(--glass) 0%, rgba(241, 233, 216, 0.02) 100%);
  border-left: 3px solid var(--mist);
}

.page-about .about-crew__item--lime {
  border-left-color: var(--lime);
}

.page-about .about-crew__item--amber {
  border-left-color: var(--amber);
}

.page-about .about-crew__item--clay {
  border-left-color: var(--clay);
}

.page-about .about-crew__item--mist {
  border-left-color: var(--mist);
}

.page-about .about-crew__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-about .about-crew__count {
  margin-left: 8px;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 400;
  color: var(--lime);
}

.page-about .about-crew__item p {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.74;
  color: rgba(241, 233, 216, 0.78);
}

/* ---------- 内容响应时间线 ---------- */
.page-about .about-clock-grid {
  display: grid;
  gap: 28px;
}

.page-about .about-clock {
  display: block;
  width: 100%;
  height: auto;
  margin: 26px 0 0;
}

.page-about .about-clock__rail {
  stroke: var(--about-rule);
  stroke-width: 2;
}

.page-about .about-clock__dot {
  fill: var(--night);
  stroke: var(--lime);
  stroke-width: 3;
}

.page-about .about-clock__dot--amber {
  stroke: var(--amber);
}

.page-about .about-clock__dot--lime {
  stroke: var(--lime);
}

.page-about .about-clock__num {
  font-family: var(--font-num);
  font-size: 40px;
  fill: var(--lime);
}

.page-about .about-clock__unit {
  font-family: var(--font-body);
  font-size: 13px;
  fill: var(--mist);
}

.page-about .about-clock__phase {
  font-family: var(--font-num);
  font-size: 16px;
  fill: var(--amber);
}

.page-about .about-clock__label {
  font-family: var(--font-body);
  font-size: 14px;
  fill: rgba(241, 233, 216, 0.78);
}

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

/* ---------- 七赛季编年 ---------- */
.page-about .about-chron {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-about .about-chron__item {
  position: relative;
  padding-left: 20px;
  border-left: 1px solid rgba(23, 85, 63, 0.3);
}

.page-about .about-chron__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 20px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--turf);
  border: 2px solid var(--cream);
}

.page-about .about-chron__item--now::before {
  background: var(--clay);
  width: 11px;
  height: 11px;
  left: -6px;
}

.page-about .about-node__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-about .about-node__year {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  line-height: 1;
  color: var(--turf);
}

.page-about .about-chron__item--now .about-node__year {
  color: var(--clay);
}

.page-about .about-node__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-about .about-node__body {
  padding: 0 0 14px;
}

.page-about .about-node__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.76;
  color: var(--about-ink-soft);
}

.page-about .about-node[open] .about-node__name {
  text-decoration: underline;
  text-decoration-color: var(--clay);
  text-underline-offset: 4px;
}

.page-about .about-chron__figure {
  margin: 30px 0 0;
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners__grid {
  margin-top: 26px;
  display: grid;
  gap: 14px;
}

.page-about .about-partner {
  padding: 18px 16px 20px;
  background: linear-gradient(180deg, rgba(241, 233, 216, 0.07) 0%, rgba(241, 233, 216, 0.02) 100%);
  border-top: 2px solid var(--turf);
}

.page-about .about-partner:nth-child(2) {
  border-top-color: var(--amber);
}

.page-about .about-partner:nth-child(3) {
  border-top-color: var(--lime);
}

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

.page-about .about-partner__num {
  margin: 10px 0 0;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 30px;
  line-height: 1;
  color: var(--lime);
}

.page-about .about-partner p:last-child {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.74;
  color: rgba(241, 233, 216, 0.78);
}

.page-about .about-partners__note {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--hair-soft);
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 对接 ---------- */
.page-about .about-contact-grid {
  display: grid;
  gap: 26px;
}

.page-about .about-contact__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(25px, 6.2vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-about .about-contact__lede {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 17px;
  line-height: 1.76;
  color: rgba(241, 233, 216, 0.84);
}

.page-about .about-contact__actions {
  margin: 22px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.page-about .about-contact__list li {
  padding: 14px 0 14px 16px;
  border-left: 2px solid var(--amber);
  font-size: 16px;
  line-height: 1.74;
  color: rgba(241, 233, 216, 0.8);
}

.page-about .about-contact__key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--lime);
}

/* ---------- 图片容器兜底 ---------- */
.page-about .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-about .about-hero {
    padding: calc(var(--nav-h) + 40px) 0 56px;
  }

  .page-about .about-hero__frame {
    padding: 32px 32px 34px;
  }

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

  .page-about .about-paper,
  .page-about .about-band,
  .page-about .about-night {
    padding: 64px 0 68px;
  }

  .page-about .about-crew__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .about-partners__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-node__year {
    font-size: 26px;
  }

  .page-about .about-node__name {
    font-size: 20px;
  }
}

@media (min-width: 980px) {
  .page-about .about-hero__frame {
    padding: 40px 44px 42px;
  }

  .page-about .about-hero__lede {
    font-size: 18px;
  }

  .page-about .about-prose p,
  .page-about .about-contact__lede {
    font-size: 18px;
  }

  .page-about .about-clock-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-clock {
    margin-top: 30px;
  }

  .page-about .about-chron {
    margin-top: 32px;
  }

  .page-about .about-chron__item {
    padding-left: 26px;
  }

  .page-about .about-node__head {
    padding: 14px 0;
    gap: 18px;
  }

  .page-about .about-node__year {
    font-size: 30px;
    min-width: 104px;
  }

  .page-about .about-contact-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 56px;
    align-items: start;
  }
}

@media (hover: hover) {
  .page-about .about-node__head:hover .about-node__name {
    color: var(--clay);
  }

  .page-about .about-crew__item:hover {
    background: linear-gradient(180deg, rgba(241, 233, 216, 0.12) 0%, rgba(241, 233, 216, 0.03) 100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}