.page-about {
  background: var(--deep);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-about a {
  color: inherit;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .4;
}

.page-about .about-hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(7, 12, 27, .42) 0%, rgba(7, 12, 27, .82) 54%, var(--deep) 100%),
    linear-gradient(96deg, rgba(7, 12, 27, .95) 0%, rgba(7, 12, 27, .32) 76%);
}

.page-about .about-hero > .container {
  position: relative;
  z-index: 2;
}

.page-about .about-hero__crumbs {
  padding-top: 26px;
}

.page-about .about-hero__inner {
  max-width: 880px;
  padding: clamp(32px, 5vw, 54px) 0 clamp(48px, 7vw, 86px);
}

.page-about .about-hero__eyebrow {
  margin: 0 0 20px;
}

.page-about .about-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2rem, 5.6vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -.005em;
  color: var(--text);
  text-wrap: balance;
}

.page-about .about-hero__lede {
  margin: 0 0 34px;
  max-width: 62ch;
  font-size: clamp(1rem, 1.3vw, 1.08rem);
  color: var(--text-dim);
}

.page-about .about-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 44px;
  margin: 0;
  padding: 24px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
}

.page-about .about-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-about .about-fact__value {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: .02em;
  color: var(--signal);
  white-space: nowrap;
}

.page-about .about-fact__label {
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--text-mute);
}

/* ---------- 通用区块 ---------- */
.page-about .about-section {
  padding: clamp(56px, 7.5vw, 96px) 0;
}

.page-about .about-history {
  padding-top: clamp(48px, 6vw, 80px);
}

/* ---------- 时间轴 ---------- */
.page-about .about-track-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  margin-top: 44px;
}

.page-about .about-index__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.page-about .about-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-index__link {
  display: block;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: .86rem;
  letter-spacing: .08em;
  color: var(--text-mute);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: 0 2px 2px 0;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  color: var(--text);
  background: var(--raise);
  border-left-color: var(--signal);
  outline: none;
}

.page-about .about-track {
  position: relative;
  margin: 0;
  padding: 0 0 0 28px;
  list-style: none;
}

.page-about .about-track::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--signal) 0%, var(--signal-soft) 30%, var(--cyan) 76%, var(--cyan-mist) 100%);
  opacity: .65;
}

.page-about .about-node {
  position: relative;
  padding-bottom: 38px;
}

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

.page-about .about-node::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 10px;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--deep);
  border: 2px solid var(--signal);
}

.page-about .about-node__year {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--signal);
}

.page-about .about-node__title {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: clamp(1.12rem, 2.2vw, 1.45rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.page-about .about-node__text {
  margin: 0;
  max-width: 66ch;
  font-size: .96rem;
  color: var(--text-dim);
}

/* ---------- 数据通栏 ---------- */
.page-about .about-band {
  position: relative;
  overflow: hidden;
  padding: 34px 0;
  background: linear-gradient(100deg, var(--raise) 0%, var(--panel) 48%, var(--deep) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-band::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 26%;
  height: 100%;
  pointer-events: none;
  background: repeating-linear-gradient(116deg, rgba(47, 227, 210, .16) 0 2px, transparent 2px 15px);
}

.page-about .about-band__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-band__grid li {
  min-width: 0;
}

.page-about .about-band__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.7rem, 4.6vw, 2.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: .01em;
  color: var(--signal);
}

.page-about .about-band__value--cyan {
  color: var(--cyan);
}

.page-about .about-band__label {
  display: block;
  margin-top: 6px;
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--text-dim);
}

/* ---------- 四条内容线 ---------- */
.page-about .about-lines {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 40px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-line {
  background: var(--panel);
  padding: 26px 24px 28px;
  transition: background-color .18s var(--ease);
}

.page-about .about-line:hover {
  background: var(--raise);
}

.page-about .about-line__no {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-about .about-line__title {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 1.22rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.page-about .about-line__text {
  margin: 0;
  font-size: .95rem;
  color: var(--text-dim);
}

.page-about .about-line__text a {
  color: var(--signal-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 169, 107, .4);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-about .about-line__text a:hover {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 图片容器 ---------- */
.page-about .media-frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-about .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .about-editorial__media img {
  aspect-ratio: 1 / 1;
}

.page-about .media-frame__overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(90deg, rgba(36, 52, 92, .3) 0 1px, transparent 1px 46px);
}

.page-about .media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 14px 16px;
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--text-dim);
  background: linear-gradient(180deg, rgba(7, 12, 27, 0) 0%, rgba(7, 12, 27, .92) 100%);
}

/* ---------- 球队库规模 ---------- */
.page-about .about-scale {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: center;
}

.page-about .about-scale__text {
  margin: 0 0 22px;
  color: var(--text-dim);
}

.page-about .about-field-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-field-list li {
  padding: 6px 13px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .05em;
  color: var(--cyan-mist);
  background: rgba(47, 227, 210, .07);
  border: 1px solid rgba(47, 227, 210, .28);
  border-radius: 999px;
}

/* ---------- 编排与更新 ---------- */
.page-about .about-editorial__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.page-about .about-editorial__text {
  margin: 0;
  color: var(--text-dim);
}

.page-about .about-duty-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-about .about-duty-list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-duty__key {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--signal);
}

.page-about .about-duty__val {
  font-size: .94rem;
  color: var(--text-dim);
}

/* ---------- 订阅能力 ---------- */
.page-about .about-subs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 36px;
}

.page-about .about-subs__items {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-subs__items li {
  padding: 9px 16px;
  font-size: .88rem;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-about .about-subs__items li:hover {
  border-color: var(--signal);
  color: var(--signal-soft);
}

.page-about .about-subs__states {
  padding: 22px 22px 24px;
  background: var(--raise);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-about .about-subs__states-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--text-mute);
}

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

.page-about .about-state-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: .9rem;
  color: var(--text-dim);
}

.page-about .about-state-list b {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--text);
}

.page-about .about-dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--text-mute);
  transform: translateY(-1px);
}

.page-about .about-dot--live {
  background: var(--live);
}

.page-about .about-dot--wait {
  background: var(--signal);
}

.page-about .about-dot--past {
  background: var(--text-mute);
}

/* ---------- 联系 ---------- */
.page-about .about-contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 36px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .about-contact__card {
  display: block;
  padding: 26px 24px 28px;
  background: var(--panel);
  text-decoration: none;
  color: inherit;
  transition: background-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-about .about-contact__card:hover,
.page-about .about-contact__card:focus-visible {
  background: var(--raise);
  box-shadow: inset 3px 0 0 0 var(--signal);
  outline: none;
}

.page-about .about-contact__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-about .about-contact__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.page-about .about-contact__card p {
  margin: 0 0 16px;
  font-size: .93rem;
  color: var(--text-dim);
}

.page-about .about-contact__go {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--signal-soft);
}

.page-about .about-contact__foot {
  margin: 30px 0 0;
  font-size: .95rem;
  color: var(--text-dim);
}

.page-about .about-contact__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 210, .35);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-about .about-contact__foot a:hover {
  color: var(--cyan-mist);
  border-bottom-color: var(--cyan-mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-about .about-band__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-about .about-track-grid {
    grid-template-columns: 156px minmax(0, 1fr);
    gap: 56px;
  }

  .page-about .about-index {
    position: sticky;
    top: 132px;
    align-self: start;
  }

  .page-about .about-index__list {
    flex-direction: column;
    gap: 2px;
  }

  .page-about .about-node {
    padding-bottom: 46px;
  }

  .page-about .about-scale {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    gap: 60px;
  }

  .page-about .about-editorial__grid {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1fr);
    gap: 56px;
  }

  .page-about .about-subs {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    gap: 40px;
  }
}

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