.page-about {
  --about-glow: rgba(0, 229, 199, 0.16);
  --about-warm: rgba(255, 122, 26, 0.14);
  --about-card: rgba(17, 21, 28, 0.78);
  --about-line-soft: rgba(42, 58, 88, 0.85);
}

.page-about .breadcrumb {
  padding-top: clamp(14px, 3vw, 24px);
}

.page-about .section {
  padding-block: clamp(36px, 7vw, 72px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-top: clamp(18px, 4vw, 34px);
  position: relative;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 320px;
  background:
    radial-gradient(600px 220px at 12% 0%, var(--about-glow), transparent 70%),
    radial-gradient(420px 180px at 88% 10%, var(--about-warm), transparent 72%);
  pointer-events: none;
}

.page-about .about-hero__grid {
  position: relative;
  display: grid;
  gap: 26px;
}

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

.page-about .about-hero__title {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.05rem, 8.6vw, 3.7rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .about-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-about .about-hero__stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-about .about-stat {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-height: 122px;
  padding: 16px 14px 14px;
  border: 1px solid var(--about-line-soft);
  background: linear-gradient(158deg, var(--about-card), rgba(10, 16, 32, 0.92));
}

.page-about .about-stat::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent 72%);
  opacity: 0.85;
}

.page-about .about-stat--warm::after {
  background: linear-gradient(90deg, var(--orange), transparent 72%);
}

.page-about .about-stat__num {
  font-size: clamp(1.5rem, 5.6vw, 2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-about .about-stat--warm .about-stat__num {
  color: var(--orange);
}

.page-about .about-stat__unit {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.page-about .about-stat__label {
  margin-top: auto;
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--muted);
}

/* ---------- 贵州根基 ---------- */
.page-about .about-origin__grid {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

.page-about .about-origin__media .media__frame {
  border: 1px solid var(--about-line-soft);
}

.page-about .about-origin__text p {
  margin: 0 0 16px;
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--text);
}

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

.page-about .about-points li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .about-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.64em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}

/* ---------- 赛季里程碑 ---------- */
.page-about .about-milestones {
  background: linear-gradient(180deg, transparent, rgba(59, 42, 102, 0.18) 45%, transparent);
}

.page-about .about-milestones__media {
  margin: 26px 0 30px;
}

.page-about .about-milestones__media .media__frame {
  border: 1px solid var(--about-line-soft);
}

.page-about .milestones {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .milestone {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 20px;
}

.page-about .milestone::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 48px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--line), transparent);
}

.page-about .milestone:last-child::before {
  display: none;
}

.page-about .milestone__idx {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--cyan);
  font-size: 0.84rem;
  font-weight: 600;
}

.page-about .milestone__body {
  padding: 16px 16px 14px;
  border: 1px solid var(--about-line-soft);
  background: var(--about-card);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-about .milestone:hover .milestone__body {
  border-color: rgba(0, 229, 199, 0.45);
  background: rgba(17, 21, 28, 0.95);
}

.page-about .milestone__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
}

.page-about .milestone__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-about .milestone__more {
  margin-top: 10px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.page-about .milestone__more summary {
  list-style: none;
  cursor: pointer;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

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

.page-about .milestone__more summary::before {
  content: "＋ ";
}

.page-about .milestone__more[open] summary::before {
  content: "－ ";
}

.page-about .milestone__more summary:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 3px;
}

.page-about .milestone__more p {
  margin-top: 8px;
  font-size: 0.88rem;
  color: var(--muted);
}

/* ---------- 团队分工 ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: 26px;
}

.page-about .about-team__intro .section__title {
  margin-top: 8px;
}

.page-about .about-team__intro > p {
  margin: 12px 0 0;
  font-size: 0.94rem;
  line-height: 1.76;
  color: var(--muted);
}

.page-about .about-team__media {
  margin: 22px 0 0;
}

.page-about .about-team__media .media__frame {
  border: 1px solid var(--about-line-soft);
}

.page-about .team-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.page-about .team-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px;
  border: 1px solid var(--about-line-soft);
  border-left: 2px solid var(--cyan);
  background: var(--about-card);
  transition: border-left-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .team-card:nth-child(3) {
  border-left-color: var(--amber);
}

.page-about .team-card:nth-child(4) {
  border-left-color: var(--orange);
}

.page-about .team-card:hover {
  transform: translateY(-2px);
}

.page-about .team-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 800;
  color: var(--text);
}

.page-about .team-card__desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-about .team-card__tags {
  list-style: none;
  margin: auto 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ---------- 更新节奏 ---------- */
.page-about .about-cadence .section__head {
  margin-bottom: 24px;
}

.page-about .cadence {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .cadence__item {
  padding: 18px 16px;
  background: var(--night);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .cadence__value {
  margin: 0;
  font-size: clamp(1.5rem, 6vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-about .cadence__value span {
  margin-left: 4px;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.08em;
}

.page-about .cadence__desc {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .about-cadence__note {
  margin-top: 22px;
  padding: 18px 18px 20px;
  border-left: 2px solid var(--orange);
  background: rgba(17, 21, 28, 0.7);
}

.page-about .about-cadence__note p {
  margin: 0 0 14px;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--text);
}

/* ---------- 兼容支持 ---------- */
.page-about .about-support__grid {
  display: grid;
  gap: 26px;
}

.page-about .about-support__text .section__title {
  margin-top: 8px;
}

.page-about .about-support__text > p {
  margin: 12px 0 0;
  font-size: 0.94rem;
  line-height: 1.76;
  color: var(--muted);
}

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

.page-about .about-steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border: 1px solid var(--about-line-soft);
  background: var(--about-card);
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--text);
}

.page-about .about-steps__idx {
  font-size: 0.78rem;
  color: var(--orange);
  letter-spacing: 0.04em;
  padding-top: 2px;
}

.page-about .about-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-about .about-facts {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-about .about-facts__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

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

.page-about .about-facts dt {
  font-size: 0.84rem;
  color: var(--muted);
}

.page-about .about-facts dd {
  margin: 0;
  font-size: 0.86rem;
  color: var(--text);
  word-break: break-word;
}

/* ---------- 继续关注 ---------- */
.page-about .about-next__grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  margin-top: 26px;
}

.page-about .about-next__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  border: 1px solid var(--about-line-soft);
  background: var(--about-card);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-about .about-next__card:hover,
.page-about .about-next__card:focus-visible {
  border-color: rgba(0, 229, 199, 0.5);
  background: rgba(17, 21, 28, 0.96);
}

.page-about .about-next__label {
  font-size: 0.76rem;
  color: var(--orange);
  letter-spacing: 0.1em;
}

.page-about .about-next__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--text);
}

.page-about .about-next__card p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.68;
  color: var(--muted);
}

.page-about .about-next__go {
  margin-top: auto;
  padding-top: 12px;
  font-size: 0.84rem;
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-about .cadence {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .milestone {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 20px;
    padding-bottom: 24px;
  }

  .page-about .milestone__idx {
    width: 58px;
    height: 58px;
    font-size: 0.9rem;
  }

  .page-about .milestone::before {
    left: 28px;
    top: 60px;
  }

  .page-about .milestone__body {
    padding: 20px 22px 18px;
  }
}

@media (min-width: 920px) {
  .page-about .about-hero__grid {
    grid-template-columns: 1.12fr 0.88fr;
    gap: 46px;
    align-items: start;
  }

  .page-about .about-hero__stack {
    gap: 12px;
  }

  .page-about .about-origin__grid {
    grid-template-columns: 1.02fr 0.98fr;
    gap: 40px;
    align-items: center;
  }

  .page-about .about-team__grid {
    grid-template-columns: 0.86fr 1.14fr;
    gap: 44px;
    align-items: start;
  }

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

  .page-about .about-support__panel {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-card,
  .page-about .milestone__body,
  .page-about .about-next__card {
    transition: none;
  }

  .page-about .team-card:hover {
    transform: none;
  }
}
<<<END>>>