.page-about {
  --about-grid: rgba(42, 58, 82, .55);
  --about-dash: rgba(42, 58, 82, .85);
}

/* ============ 首屏 ============ */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--bd);
  background:
    radial-gradient(72% 62% at 98% 2%, rgba(124, 77, 255, .30), transparent 62%),
    radial-gradient(64% 58% at 0% 100%, rgba(0, 229, 255, .14), transparent 62%),
    var(--c-ink);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .3;
  background-image:
    linear-gradient(to right, var(--about-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--about-grid) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(78% 70% at 50% 42%, #000 28%, transparent 100%);
  mask-image: radial-gradient(78% 70% at 50% 42%, #000 28%, transparent 100%);
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
  padding: clamp(22px, 3.5vw, 36px) 0 clamp(40px, 6vw, 72px);
}

.page-about .about-hero__lead h1 {
  margin: 16px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--c-text);
}

.page-about .about-hero__lead h1 em {
  font-style: normal;
  color: var(--c-cyan);
  text-shadow: var(--glow-cyan);
}

.page-about .about-hero__lede {
  max-width: 640px;
  margin: 0;
  font-size: 17px;
  line-height: 1.8;
  color: var(--c-text-soft);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-about .about-hero__panel {
  position: relative;
  padding: 18px 18px 6px;
  background: var(--c-panel);
  border: var(--bd);
  box-shadow: var(--shadow-hard);
}

.page-about .about-hero__panel::before {
  content: "";
  position: absolute;
  top: -2px;
  right: 18px;
  width: 72px;
  height: 4px;
  background: var(--c-orange);
  box-shadow: var(--glow-orange);
}

.page-about .about-hero__panel-title {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--c-muted);
}

.page-about .about-facts {
  margin: 0;
}

.page-about .about-fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--about-dash);
}

.page-about .about-fact:last-child {
  border-bottom: 0;
}

.page-about .about-fact dt {
  font-size: 13px;
  color: var(--c-muted);
}

.page-about .about-fact dd {
  margin: 0;
}

.page-about .about-fact__num {
  font-size: clamp(22px, 4vw, 28px);
  font-weight: 700;
  color: var(--c-cyan);
  text-shadow: var(--glow-cyan);
  letter-spacing: -.01em;
}

.page-about .about-fact__unit {
  margin-left: 4px;
  font-size: 12px;
  color: var(--c-muted);
}

/* ============ 通用正文元素 ============ */
.page-about .about-lede {
  max-width: 760px;
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--c-text-soft);
}

.page-about .about-story__text p:not(.about-lede),
.page-about .about-team__text p,
.page-about .about-weekend__text p {
  max-width: 760px;
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text-soft);
}

.page-about .about-check {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-check li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-about .about-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 12px;
  height: 2px;
  background: var(--c-cyan);
}

/* ============ 图片容器 ============ */
.page-about .about-figure {
  position: relative;
  margin: 0;
  background: var(--c-panel);
  border: var(--bd);
  overflow: hidden;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-about .about-figure--wide img {
  aspect-ratio: 16 / 9;
}

.page-about .about-figure--flat img {
  aspect-ratio: 3 / 2;
}

.page-about .about-figure__cap {
  padding: 10px 14px;
  border-top: var(--bd);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-muted);
}

/* ============ 01 九年 ============ */
.page-about .about-story__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  margin-top: 26px;
}

.page-about .season-scale {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  margin: clamp(30px, 5vw, 52px) 0 0;
  padding: 0;
  border-top: 2px solid var(--c-line);
}

.page-about .season-scale li {
  position: relative;
  padding-top: 16px;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-muted);
}

.page-about .season-scale li::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 2px;
  height: 12px;
  background: var(--c-line);
}

.page-about .season-scale li:last-child::before {
  height: 22px;
  background: var(--c-cyan);
  box-shadow: var(--glow-cyan);
}

.page-about .season-scale li:last-child {
  color: var(--c-cyan);
}

/* ============ 02 数据 ============ */
.page-about .about-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-metric {
  position: relative;
  padding: 16px 16px 18px;
  background: var(--c-panel);
  border: var(--bd);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .about-metric::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 16px;
  width: 34px;
  height: 4px;
  background: var(--c-cyan);
}

.page-about .about-metric--violet::before {
  background: var(--c-violet);
}

.page-about .about-metric--orange::before {
  background: var(--c-orange);
}

.page-about .about-metric:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard);
  border-color: var(--c-cyan);
}

.page-about .about-metric__num {
  margin: 0;
  font-size: clamp(32px, 7vw, 52px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--c-cyan);
  text-shadow: var(--glow-cyan);
}

.page-about .about-metric--orange .about-metric__num {
  color: var(--c-orange);
  text-shadow: var(--glow-orange);
}

.page-about .about-metric--violet .about-metric__num {
  color: var(--c-violet);
  text-shadow: 0 0 14px rgba(124, 77, 255, .55);
}

.page-about .about-metric__label {
  margin: 10px 0 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-text);
}

.page-about .about-metric__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-muted);
}

.page-about .about-data__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 26px;
  padding: 18px 20px;
  background: var(--c-card);
  border: var(--bd);
  border-left: 4px solid var(--c-cyan);
}

.page-about .about-data__foot p {
  margin: 0;
  max-width: 720px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

/* ============ 03 团队 ============ */
.page-about .about-team__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

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

.page-about .about-role {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  background: var(--c-card);
  border: var(--bd);
}

.page-about .about-role__num {
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-cyan);
  text-shadow: var(--glow-cyan);
}

.page-about .about-role__body {
  display: block;
}

.page-about .about-role__name {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 6px;
}

.page-about .about-role__desc {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ============ 04 生态 ============ */
.page-about .about-allies__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  margin-top: 26px;
}

.page-about .about-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-about .about-column-card {
  position: relative;
  padding: 16px 16px 18px;
  background: var(--c-card);
  border: var(--bd);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-column-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard);
  border-color: var(--c-cyan);
}

.page-about .about-column-card__idx {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--c-cyan);
}

.page-about .about-column-card__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--c-text);
}

.page-about .about-column-card__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-muted);
}

.page-about .about-allies__figure {
  align-self: start;
}

.page-about .about-allies__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 24px;
}

.page-about .about-allies__foot p {
  margin: 0;
  max-width: 660px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

/* ============ 05 周末 ============ */
.page-about .about-weekend__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-about .about-weekend__panel {
  position: relative;
  padding: 20px 20px 22px;
  background: linear-gradient(160deg, rgba(124, 77, 255, .18), rgba(0, 229, 255, .06) 60%, transparent),
    var(--c-panel);
  border: var(--bd);
  box-shadow: var(--shadow-hard);
}

.page-about .about-weekend__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-about .about-weekend__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--about-dash);
}

.page-about .about-weekend__list li:last-child {
  border-bottom: 0;
}

.page-about .about-weekend__num {
  min-width: 62px;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-orange);
  text-shadow: var(--glow-orange);
}

.page-about .about-weekend__cap {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-soft);
}

.page-about .about-weekend__btn {
  margin-top: 16px;
}

/* ============ 结尾 CTA ============ */
.page-about .about-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: clamp(24px, 4vw, 44px);
  border: var(--bd);
  background:
    linear-gradient(118deg, rgba(0, 229, 255, .16), rgba(124, 77, 255, .18) 52%, rgba(255, 107, 26, .14)),
    var(--c-panel);
}

.page-about .about-cta__text {
  max-width: 620px;
}

.page-about .about-cta__text h2 {
  margin: 0 0 10px;
}

.page-about .about-cta__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-soft);
}

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

/* ============ 平板 ============ */
@media (min-width: 700px) {
  .page-about .about-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

/* ============ 桌面 ============ */
@media (min-width: 980px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-about .about-story__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    align-items: start;
  }

  .page-about .about-team__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-about .about-allies__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

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

  .page-about .about-weekend__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 1100px) {
  .page-about .about-columns {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

/* ============ 减少动效 ============ */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-metric,
  .page-about .about-column-card {
    transition: none;
  }

  .page-about .about-metric:hover,
  .page-about .about-column-card:hover {
    transform: none;
  }
}