.page-about {
  --tl-line: rgba(243, 247, 255, 0.12);
  --cyan-soft: rgba(47, 227, 214, 0.16);
  --gold-soft: rgba(255, 196, 107, 0.16);
  color: var(--star);
  padding-bottom: 56px;
  overflow-x: clip;
}

.page-about h1,
.page-about h2,
.page-about h3,
.page-about p,
.page-about ul,
.page-about ol,
.page-about figure {
  margin: 0;
}

.page-about ul,
.page-about ol {
  list-style: none;
  padding: 0;
}

.page-about .about-crumb {
  padding-top: 20px;
}

/* ===== 首屏 ===== */
.page-about .about-hero {
  position: relative;
  padding: 26px 0 46px;
}

.page-about .about-hero__glow {
  position: absolute;
  left: -12%;
  right: -12%;
  top: -90px;
  height: 470px;
  pointer-events: none;
  background:
    radial-gradient(50% 68% at 16% 10%, rgba(76, 107, 255, 0.30), transparent 66%),
    radial-gradient(44% 58% at 88% 2%, rgba(47, 227, 214, 0.16), transparent 68%),
    radial-gradient(40% 52% at 60% 62%, rgba(255, 196, 107, 0.07), transparent 72%);
}

.page-about .about-hero__split {
  position: relative;
  display: grid;
  gap: 28px;
}

.page-about .about-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 5.6vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 14px 0 16px;
}

.page-about .about-hero .lead {
  color: var(--dim);
  font-size: 17px;
  line-height: 1.78;
  max-width: 42ch;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* 摘要牌 */
.page-about .about-board {
  position: relative;
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(22, 34, 74, 0.92), rgba(11, 20, 40, 0.8));
  padding: 22px 20px 20px;
  overflow: hidden;
}

.page-about .about-board::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--orbit) 58%, transparent);
}

.page-about .about-board__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--dim);
}

.page-about .about-board__list {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.page-about .about-board__item {
  padding-top: 14px;
  border-top: 1px solid var(--hair);
}

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

.page-about .about-board__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--gold);
}

.page-about .about-board__num small {
  font-size: 14px;
  color: var(--dim);
  margin-left: 5px;
}

.page-about .about-board__cap {
  display: block;
  margin-top: 9px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--dim);
}

/* ===== 起点 ===== */
.page-about .about-origin {
  padding: 6px 0 54px;
}

.page-about .about-origin__grid {
  display: grid;
  gap: 26px;
}

.page-about .about-origin__media {
  position: relative;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.page-about .about-origin__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(205deg, rgba(5, 10, 24, 0) 42%, rgba(5, 10, 24, 0.78));
}

.page-about .about-origin h2,
.page-about .about-timeline h2,
.page-about .about-team h2,
.page-about .about-cadence h2,
.page-about .about-partners h2,
.page-about .about-close h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.2;
  margin: 12px 0 18px;
}

.page-about .about-origin__body p {
  color: var(--dim);
  font-size: 16px;
  line-height: 1.82;
}

.page-about .about-origin__body p + p {
  margin-top: 14px;
}

/* ===== 时间线 ===== */
.page-about .about-timeline {
  padding: 0 0 54px;
}

.page-about .about-timeline__inner {
  max-width: 840px;
}

.page-about .timeline-banner {
  margin: 8px 0 32px;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

.page-about .timeline-banner img {
  display: block;
  width: 100%;
  height: 170px;
  object-fit: cover;
  opacity: 0.52;
}

.page-about .timeline {
  border-left: 1px solid var(--tl-line);
  padding-left: 30px;
}

.page-about .timeline__item {
  position: relative;
  padding-bottom: 32px;
}

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

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 7px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px var(--cyan-soft);
}

.page-about .timeline__year {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-about .timeline__title {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  margin: 8px 0 10px;
}

.page-about .timeline__text {
  color: var(--dim);
  font-size: 15.5px;
  line-height: 1.8;
}

/* ===== 团队 ===== */
.page-about .about-team {
  padding: 0 0 54px;
}

.page-about .about-team__grid {
  display: grid;
  gap: 26px;
}

.page-about .about-team__media {
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  overflow: hidden;
}

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

.page-about .about-team__body p {
  color: var(--dim);
  font-size: 16px;
  line-height: 1.82;
}

.page-about .about-team__body p + p {
  margin-top: 14px;
}

.page-about .crew {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-about .crew__card {
  border: 1px solid var(--hair);
  padding: 20px 18px 22px;
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-about .crew__card:hover {
  border-color: var(--cyan);
  transform: translateY(-3px);
}

.page-about .crew__num {
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  color: var(--cyan);
}

.page-about .crew__role {
  font-size: 18px;
  font-weight: 800;
  margin: 12px 0 8px;
}

.page-about .crew__desc {
  color: var(--dim);
  font-size: 14.5px;
  line-height: 1.75;
}

/* ===== 更新节奏 ===== */
.page-about .about-cadence {
  padding: 0 0 54px;
}

.page-about .about-cadence__lead {
  color: var(--dim);
  font-size: 16px;
  line-height: 1.82;
  max-width: 62ch;
}

.page-about .cadence {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-about .cadence__item {
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(22, 34, 74, 0.6), rgba(11, 20, 40, 0.5));
  padding: 20px 18px 22px;
}

.page-about .cadence__stamp {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-about .cadence__title {
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  margin: 10px 0 8px;
}

.page-about .cadence__text {
  color: var(--dim);
  font-size: 14.5px;
  line-height: 1.75;
}

/* ===== 球迷组织协作 ===== */
.page-about .about-partners {
  padding: 0 0 54px;
}

.page-about .about-partners__panel {
  border: 1px solid var(--hair-strong);
  background: linear-gradient(135deg, rgba(11, 20, 40, 0.9), rgba(22, 34, 74, 0.55));
  padding: 26px 20px 28px;
}

.page-about .about-partners__body p {
  color: var(--dim);
  font-size: 16px;
  line-height: 1.82;
}

.page-about .about-partners__body p + p {
  margin-top: 14px;
}

.page-about .about-partners__links {
  margin-top: 22px;
}

/* ===== 收尾 ===== */
.page-about .about-close {
  padding: 0 0 8px;
}

.page-about .about-close__panel {
  position: relative;
  border: 1px solid var(--hair-strong);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 28px 20px 30px;
  background:
    radial-gradient(70% 90% at 8% 0%, rgba(76, 107, 255, 0.24), transparent 68%),
    linear-gradient(150deg, rgba(22, 34, 74, 0.92), rgba(11, 20, 40, 0.82));
}

.page-about .about-close__panel::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--cyan) 55%, transparent);
}

.page-about .about-close__stats {
  display: grid;
  gap: 18px;
  margin: 22px 0 24px;
}

.page-about .about-close__stat {
  padding-top: 14px;
  border-top: 1px solid var(--hair);
}

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

.page-about .about-close__stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  color: var(--star);
}

.page-about .about-close__stat-num small {
  font-size: 14px;
  color: var(--gold);
  margin-left: 5px;
}

.page-about .about-close__stat-cap {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--dim);
}

.page-about .about-close__text {
  color: var(--dim);
  font-size: 16px;
  line-height: 1.82;
  max-width: 66ch;
}

.page-about .about-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ===== 响应式 ===== */
@media (min-width: 620px) {
  .page-about .about-hero {
    padding: 34px 0 54px;
  }

  .page-about .about-board {
    padding: 26px 24px 24px;
  }

  .page-about .timeline-banner img {
    height: 240px;
  }

  .page-about .about-close__stats {
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 22px;
  }

  .page-about .about-close__stat {
    padding-top: 0;
    border-top: 0;
    border-left: 1px solid var(--hair);
    padding-left: 18px;
  }

  .page-about .about-close__stat:first-child {
    border-left: 0;
    padding-left: 0;
  }
}

@media (min-width: 760px) {
  .page-about .crew {
    grid-template-columns: 1.2fr 1fr 0.88fr;
    gap: 16px;
  }

  .page-about .about-partners__panel {
    padding: 34px 34px 36px;
  }

  .page-about .crew__card {
    padding: 24px 22px 26px;
  }
}

@media (min-width: 900px) {
  .page-about {
    padding-bottom: 72px;
  }

  .page-about .about-hero__split {
    grid-template-columns: 1.3fr 0.7fr;
    gap: 56px;
    align-items: end;
  }

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

  .page-about .about-origin__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 44px;
    align-items: center;
  }

  .page-about .about-team__grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 44px;
    align-items: center;
  }

  .page-about .cadence {
    grid-template-columns: 1.35fr 1fr 0.95fr;
    gap: 16px;
  }

  .page-about .about-close__panel {
    padding: 40px 40px 42px;
  }

  .page-about .about-origin,
  .page-about .about-timeline,
  .page-about .about-team,
  .page-about .about-cadence,
  .page-about .about-partners {
    padding-bottom: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .crew__card {
    transition: none;
  }

  .page-about .crew__card:hover {
    transform: none;
  }
}