.page-about {
  padding-bottom: 0;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding: clamp(2rem, 4.5vw, 3.5rem) 0 clamp(2.5rem, 6vw, 5rem);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 5rem;
    align-items: end;
  }
}

.page-about .about-hero__label {
  color: var(--cyan);
  margin: 0 0 1.2rem;
}

.page-about .about-hero__title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(2.4rem, 6vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--white);
  margin: 0 0 1.5rem;
  max-width: 18ch;
}

.page-about .about-hero__intro {
  font-size: clamp(0.98rem, 1.15vw, 1.08rem);
  line-height: 1.8;
  color: var(--mist);
  max-width: 58ch;
  margin: 0;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}

.page-about .stat-tile {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
}

.page-about .stat-tile__num {
  font-family: var(--mono);
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1;
}

.page-about .stat-tile__cap {
  font-size: 13px;
  color: var(--mist);
  letter-spacing: 0.08em;
  line-height: 1.4;
}

/* ---------- 章节骨架 ---------- */
.page-about .chap {
  padding: clamp(3rem, 7vw, 6rem) 0;
  position: relative;
}

.page-about .chap--band {
  background: linear-gradient(180deg, transparent 0%, rgba(122, 60, 255, 0.09) 50%, transparent 100%);
}

.page-about .chap__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
}

@media (min-width: 900px) {
  .page-about .chap__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 4.5rem;
    align-items: start;
  }
}

.page-about .chap__head {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.page-about .chap__num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(3.5rem, 7vw, 6rem);
  font-weight: 800;
  line-height: 0.85;
  color: var(--violet);
  letter-spacing: -0.05em;
  margin: 0;
}

.page-about .chap__title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(1.65rem, 3.2vw, 2.5rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0;
  max-width: 14ch;
}

.page-about .chap__body {
  min-width: 0;
}

.page-about .chap__body > p {
  font-size: clamp(0.98rem, 1.1vw, 1.05rem);
  line-height: 1.8;
  color: var(--mist);
  margin: 0 0 1.4rem;
  max-width: 68ch;
}

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

/* ---------- 三赛区信息图 ---------- */
.page-about .districts {
  margin: 2.2rem 0 0;
}

.page-about .districts img {
  display: block;
  width: 100%;
  height: auto;
  box-shadow: inset 0 0 0 1px var(--line);
  background: var(--panel);
}

.page-about .districts__cap {
  margin: 1rem 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  max-width: 60ch;
}

/* ---------- 双入口卡片 ---------- */
.page-about .split-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.8rem;
}

@media (min-width: 620px) {
  .page-about .split-cards {
    grid-template-columns: 1fr 1fr;
  }
}

.page-about .split-card {
  padding: 1.6rem 1.7rem 1.8rem;
  background: linear-gradient(158deg, rgba(122, 60, 255, 0.22) 0%, rgba(19, 19, 36, 0.98) 62%);
  border-top: 2px solid var(--violet);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  transition: transform 0.25s var(--ease);
}

.page-about .split-card--cyan {
  background: linear-gradient(158deg, rgba(34, 211, 255, 0.16) 0%, rgba(19, 19, 36, 0.98) 62%);
  border-top-color: var(--cyan);
}

.page-about .split-card:hover {
  transform: translateY(-3px);
}

.page-about .split-card__tag {
  color: var(--cyan);
  display: block;
  margin: 0;
}

.page-about .split-card--cyan .split-card__tag {
  color: var(--mint);
}

.page-about .split-card h3 {
  font-family: var(--serif);
  font-weight: 900;
  font-size: 1.3rem;
  line-height: 1.3;
  color: var(--white);
  margin: 0.7rem 0 0.65rem;
}

.page-about .split-card p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 团队 ---------- */
.page-about .team-figure {
  margin: 0 0 1.8rem;
}

.page-about .team-figure img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-about .team-list {
  list-style: none;
  padding: 0;
  margin: 1.8rem 0 0;
}

.page-about .team-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.2rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--line);
  align-items: start;
}

.page-about .team-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-about .team-list .num {
  font-family: var(--mono);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.02em;
  line-height: 1;
  min-width: 2.4ch;
}

.page-about .team-list strong {
  display: block;
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.page-about .team-list p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 版本阶梯 ---------- */
.page-about .chap--timeline {
  position: relative;
  overflow: hidden;
}

.page-about .chap__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  z-index: 0;
  pointer-events: none;
}

.page-about .chap--timeline .container {
  position: relative;
  z-index: 1;
}

.page-about .steps {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  gap: 0.85rem;
}

.page-about .step {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: 1.1rem;
  align-items: baseline;
  padding: 1rem 1.2rem 1.05rem;
  background: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
  border-left: 2px solid var(--violet-deep);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-about .step:nth-child(1) { margin-left: 0; }
.page-about .step:nth-child(2) { margin-left: 3%; }
.page-about .step:nth-child(3) { margin-left: 6%; }
.page-about .step:nth-child(4) { margin-left: 9%; }

.page-about .step:hover {
  border-left-color: var(--cyan);
  transform: translateX(4px);
}

.page-about .step__ver {
  font-family: var(--mono);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--lava);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.page-about .step__text {
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 合作生态 ---------- */
.page-about .eco-grid {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 620px) {
  .page-about .eco-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .eco {
  padding: 1.3rem 1.35rem 1.4rem;
  background: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-about .eco:hover {
  box-shadow: inset 0 0 0 1px var(--cyan);
  transform: translateY(-3px);
}

.page-about .eco__num {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1;
}

.page-about .eco__label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  margin-top: 0.3rem;
}

.page-about .eco__note {
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 数据量级 ---------- */
.page-about .num-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

@media (min-width: 620px) {
  .page-about .num-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .num-cell {
  padding: 1.5rem 1.55rem 1.6rem;
  background: linear-gradient(150deg, rgba(122, 60, 255, 0.18) 0%, rgba(19, 19, 36, 0.98) 72%);
  box-shadow: inset 0 0 0 1px var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: box-shadow 0.25s var(--ease);
}

.page-about .num-cell:hover {
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-about .num-cell__n {
  font-family: var(--mono);
  font-size: clamp(2.2rem, 3.6vw, 3rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.03em;
  line-height: 1;
}

.page-about .num-cell__l {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--white);
  margin-top: 0.45rem;
}

.page-about .num-cell__s {
  font-size: 0.83rem;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- CTA ---------- */
.page-about .about-cta {
  margin-top: clamp(3rem, 6vw, 5rem);
  padding: clamp(2.6rem, 5vw, 4rem) 0 clamp(3rem, 5vw, 4.2rem);
  background: linear-gradient(118deg, rgba(122, 60, 255, 0.24) 0%, rgba(34, 211, 255, 0.08) 62%, transparent 100%);
  border-top: 1px solid var(--line);
  position: relative;
}

.page-about .about-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    96deg,
    transparent 0 120px,
    rgba(238, 242, 255, 0.02) 120px 121px
  );
  pointer-events: none;
}

.page-about .about-cta .container {
  position: relative;
  z-index: 1;
}

.page-about .about-cta__inner {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  align-items: flex-start;
}

.page-about .about-cta h2 {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(1.65rem, 3vw, 2.4rem);
  line-height: 1.15;
  color: var(--white);
  margin: 0;
  letter-spacing: -0.01em;
}

.page-about .about-cta p {
  margin: 0;
  max-width: 58ch;
  font-size: 0.98rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .about-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

/* ---------- 入场动效 ---------- */
.page-about [data-reveal].is-pending {
  opacity: 0;
  transform: translateY(14px);
}

.page-about [data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal].is-pending,
  .page-about [data-reveal].is-revealed {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-about .split-card:hover,
  .page-about .eco:hover,
  .page-about .step:hover {
    transform: none;
  }
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 540px) {
  .page-about .step {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
  .page-about .step:nth-child(1),
  .page-about .step:nth-child(2),
  .page-about .step:nth-child(3),
  .page-about .step:nth-child(4) {
    margin-left: 0;
  }
  .page-about .team-list li {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .page-about .team-list .num {
    font-size: 1.3rem;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>