.page-about {
  --ab-edge: 3px;
  --ab-gap: clamp(1.25rem, 3.5vw, 2.5rem);
  display: block;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-about .ab-hero {
  padding-top: clamp(1.1rem, 3vw, 2rem);
}

.page-about .ab-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ab-gap);
  align-items: start;
}

.page-about .eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--line-strong);
  padding: 0.4rem 0.7rem;
  line-height: 1;
}

.page-about .ab-hero__title {
  margin: 0.9rem 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.9rem, 6vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--stone);
  text-wrap: balance;
}

.page-about .ab-hero__lede {
  margin: 1.1rem 0 0;
  max-width: 48ch;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.8;
  color: var(--stone-2);
}

.page-about .ab-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.7rem;
}

/* 比分牌 */
.page-about .ab-hero__board {
  position: relative;
  background: var(--red);
  color: var(--stone);
  border: var(--ab-edge) solid var(--ink-900);
  box-shadow: var(--shadow-soft);
  padding: clamp(1.2rem, 3.5vw, 1.9rem);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), 0 100%);
}

.page-about .ab-board__top {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.page-about .ab-board__num {
  font-family: var(--font-mono);
  font-size: clamp(3.4rem, 12vw, 6.2rem);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.04em;
}

.page-about .ab-board__unit {
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}

.page-about .ab-board__list {
  list-style: none;
  margin: 1.15rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid rgba(5, 16, 11, 0.34);
  display: grid;
  gap: 0.6rem;
}

.page-about .ab-board__list li {
  display: grid;
  grid-template-columns: 1.6rem 1fr;
  gap: 0.4rem;
  font-size: 0.92rem;
  line-height: 1.55;
}

.page-about .ab-board__list .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ink-900);
}

/* ---------- 图片容器 ---------- */
.page-about .ab-figure {
  margin: clamp(1.6rem, 4.5vw, 3rem) 0 0;
}

.page-about .ab-media {
  position: relative;
  overflow: hidden;
  background: var(--ink-700);
  border: var(--ab-edge) solid var(--line-strong);
  aspect-ratio: 4 / 3;
}

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

.page-about .ab-media--data {
  aspect-ratio: 4 / 3;
}

.page-about .ab-media--city {
  aspect-ratio: 12 / 5;
}

/* ---------- 索引条 ---------- */
.page-about .ab-strip {
  margin-top: clamp(2.5rem, 7vw, 4.5rem);
}

.page-about .ab-strip__inner {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  background: var(--ink-700);
  border-top: var(--ab-edge) solid var(--red);
  border-bottom: var(--ab-edge) solid var(--red);
}

.page-about .ab-strip__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: baseline;
  padding: 1.1rem clamp(0.9rem, 3vw, 1.5rem);
  border-bottom: 1px solid var(--line);
}

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

.page-about .ab-strip__idx {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-about .ab-strip__text {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--stone-2);
}

/* ---------- 通用区块 ---------- */
.page-about .ab-block {
  margin-top: clamp(3rem, 8vw, 6rem);
}

.page-about .ab-block__head {
  display: grid;
  gap: 0.85rem;
  max-width: 64ch;
}

.page-about .ab-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.55rem, 4.4vw, 2.6rem);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--stone);
}

.page-about .ab-block__text {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--stone-2);
}

/* ---------- 三种人 ---------- */
.page-about .ab-people {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-about .ab-person {
  position: relative;
  background: var(--ink-800);
  border: var(--ab-edge) solid var(--line-strong);
  padding: 1.4rem 1.2rem 1.5rem;
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease), transform 0.24s var(--ease);
}

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

.page-about .ab-person__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--red-soft);
}

.page-about .ab-person__title {
  margin: 0.7rem 0 0.55rem;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--stone);
}

.page-about .ab-person__text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--stone-2);
}

/* ---------- 费用分裂版式 ---------- */
.page-about .ab-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ab-gap);
}

.page-about .ab-split__main {
  display: grid;
  gap: 0.85rem;
  align-content: start;
}

.page-about .ab-split__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.35rem;
}

.page-about .ab-split__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: var(--ab-edge) solid var(--red);
}

.page-about .ab-split__facts li {
  padding: 0.95rem 0 0.95rem 1.15rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--stone-2);
}

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

.page-about .ab-split__facts strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin-bottom: 0.3rem;
  font-weight: 700;
}

/* ---------- 三步走 ---------- */
.page-about .ab-steps {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .ab-step {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 0.3rem 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.page-about .ab-step__num {
  grid-row: 1 / 3;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 0.2rem;
}

.page-about .ab-step__title {
  margin: 0;
  grid-column: 2;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--stone);
}

.page-about .ab-step__text {
  margin: 0;
  grid-column: 2;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--stone-2);
}

/* ---------- 结尾召唤 ---------- */
.page-about .ab-cta {
  margin-top: clamp(3rem, 8vw, 5.5rem);
}

.page-about .ab-cta__inner {
  display: grid;
  gap: 1.4rem;
  background: linear-gradient(135deg, var(--red) 0%, var(--red-deep) 100%);
  color: var(--stone);
  border: var(--ab-edge) solid var(--ink-900);
  box-shadow: var(--shadow-soft);
  padding: clamp(1.6rem, 5vw, 3rem);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), 0 100%);
}

.page-about .ab-cta__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.8vw, 2.2rem);
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--stone);
}

.page-about .ab-cta__text {
  margin: 0.9rem 0 0;
  max-width: 52ch;
  font-size: 0.97rem;
  line-height: 1.8;
  color: rgba(241, 238, 230, 0.88);
}

.page-about .ab-cta__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-content: start;
}

.page-about .ab-cta .btn--primary {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--stone);
}

.page-about .ab-cta .btn--ghost {
  border-color: rgba(241, 238, 230, 0.7);
  color: var(--stone);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-about .ab-strip__inner {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .ab-strip__item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-about .ab-strip__item:last-child {
    border-right: 0;
  }

  .page-about .ab-people {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .ab-media {
    aspect-ratio: 16 / 9;
  }

  .page-about .ab-media--data {
    aspect-ratio: 3 / 2;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-about .ab-hero__inner {
    grid-template-columns: 1.18fr 0.82fr;
    gap: clamp(2.5rem, 6vw, 4.5rem);
    align-items: stretch;
  }

  .page-about .ab-hero__board {
    align-self: center;
    transform: translateY(6px);
  }

  .page-about .ab-split {
    grid-template-columns: 1.35fr 0.65fr;
    gap: clamp(2.5rem, 6vw, 4.5rem);
    align-items: start;
  }

  .page-about .ab-cta__inner {
    grid-template-columns: 1.3fr 0.7fr;
    align-items: center;
    gap: 2.5rem;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>