.page-about {
  background: var(--c-deep);
  color: var(--ink);
  overflow-x: clip;
}

.page-about .ab-hero {
  position: relative;
  padding: clamp(24px, 6vw, 64px) 0 clamp(20px, 4vw, 40px);
  background:
    radial-gradient(110% 80% at 10% 0%, rgba(23, 78, 107, 0.6), transparent 62%),
    radial-gradient(70% 60% at 100% 6%, rgba(255, 107, 74, 0.16), transparent 58%),
    var(--c-deep);
}

.page-about .ab-hero__eyebrow {
  margin-top: clamp(18px, 3vw, 30px);
}

.page-about .ab-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 7.4vw, 4.8rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0.6rem 0 0;
  text-wrap: balance;
}

.page-about .ab-hero__accent {
  color: var(--c-amber);
  display: inline-block;
  position: relative;
  padding-bottom: 0.06em;
}

.page-about .ab-hero__accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--c-coral), var(--c-amber));
}

.page-about .ab-hero__lede {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.9;
  color: var(--ink-soft);
  max-width: 44rem;
  margin: clamp(16px, 2.4vw, 26px) 0 0;
}

.page-about .ab-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: clamp(22px, 3.4vw, 36px);
  max-width: 44rem;
}

.page-about .ab-stat {
  border: 1px solid var(--line);
  border-left: 2px solid var(--c-amber);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 12px 14px;
  background: rgba(11, 44, 69, 0.55);
}

.page-about .ab-stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  line-height: 1.1;
  color: var(--c-amber);
  letter-spacing: -0.02em;
}

.page-about .ab-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
}

.page-about .ab-hero__figure {
  margin: clamp(26px, 4vw, 46px) 0 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--c-night);
}

.page-about .ab-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-about .ab-hero__caption {
  display: block;
  padding: 10px 16px 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  border-top: 1px solid var(--line);
}

/* 主体：左侧索引 + 右侧内容 */
.page-about .ab-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(30px, 5vw, 64px);
  padding-bottom: clamp(40px, 7vw, 96px);
}

.page-about .ab-index {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-about .ab-index__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.page-about .ab-index__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-about .ab-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .ab-index__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--c-amber);
}

.page-about .ab-index__link:hover,
.page-about .ab-index__link:focus-visible {
  color: var(--ink);
  border-color: var(--c-coral);
  background: rgba(255, 107, 74, 0.1);
}

.page-about .ab-content {
  min-width: 0;
  display: grid;
  gap: clamp(32px, 6vw, 72px);
}

/* 时间轴 */
.page-about .ab-track {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

.page-about .ab-track::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-amber), var(--c-tide) 34%, rgba(23, 78, 107, 0.22));
}

.page-about .ab-stage {
  position: relative;
  padding-left: 42px;
}

.page-about .ab-stage__node {
  position: absolute;
  left: 0;
  top: 4px;
  z-index: 1;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--c-deep);
  border: 1px solid var(--c-amber);
  color: var(--c-amber);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
}

.page-about .ab-stage__panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: clamp(16px, 2.6vw, 26px);
  background: linear-gradient(158deg, rgba(11, 44, 69, 0.96), rgba(6, 24, 38, 0.92));
  transition: border-color 0.2s var(--ease);
}

.page-about .ab-stage__panel:hover {
  border-color: var(--line-strong);
}

.page-about .ab-stage__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--c-glass);
}

.page-about .ab-stage__title {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.6vw, 1.6rem);
  font-weight: 700;
  line-height: 1.3;
  margin: 8px 0 0;
  color: var(--ink);
}

.page-about .ab-stage__text {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--ink-soft);
  margin: 10px 0 0;
}

.page-about .ab-inline-link {
  color: var(--c-amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 183, 74, 0.45);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-about .ab-inline-link:hover,
.page-about .ab-inline-link:focus-visible {
  color: var(--c-coral);
  border-bottom-color: var(--c-coral);
}

.page-about .ab-more {
  margin-top: 14px;
  border-top: 1px dashed var(--line);
  padding-top: 8px;
}

.page-about .ab-more > summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 4px 0;
  font-size: 0.86rem;
  color: var(--c-glass);
  transition: color 0.2s var(--ease);
}

.page-about .ab-more > summary::-webkit-details-marker {
  display: none;
}

.page-about .ab-more > summary::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1;
}

.page-about .ab-more[open] > summary::before {
  content: "−";
}

.page-about .ab-more > summary:hover,
.page-about .ab-more > summary:focus-visible {
  color: var(--c-coral);
}

.page-about .ab-more__body {
  padding-top: 6px;
}

.page-about .ab-more__body p,
.page-about .ab-more__body li {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--ink-soft);
  margin: 0;
}

.page-about .ab-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-about .ab-list li {
  padding-left: 14px;
  position: relative;
}

.page-about .ab-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 6px;
  height: 1px;
  background: var(--c-amber);
}

.page-about .ab-list strong {
  color: var(--ink);
  font-weight: 600;
}

/* 海岸线分隔带 */
.page-about .ab-band {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  padding: clamp(22px, 4vw, 40px) clamp(18px, 4vw, 40px);
  background:
    radial-gradient(120% 160% at 15% 50%, rgba(47, 174, 143, 0.16), transparent 66%),
    radial-gradient(90% 140% at 95% 20%, rgba(255, 107, 74, 0.12), transparent 60%),
    linear-gradient(90deg, rgba(11, 44, 69, 0.92), rgba(6, 24, 38, 0.96));
  overflow: hidden;
}

.page-about .ab-band::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-palm), var(--c-amber), var(--c-coral));
  opacity: 0.7;
}

.page-about .ab-band__coord {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--c-glass);
}

.page-about .ab-band__text {
  margin: 10px 0 0;
  max-width: 42rem;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.85;
  color: var(--ink);
}

/* 通用章节 */
.page-about .ab-section {
  border-top: 1px solid var(--line);
  padding-top: clamp(20px, 3.4vw, 34px);
}

.page-about .ab-section__head {
  max-width: 46rem;
}

.page-about .ab-section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.6vw, 2.15rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
}

.page-about .ab-section__lede {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--ink-soft);
  margin: 14px 0 0;
  max-width: 44rem;
}

/* 编辑台 */
.page-about .ab-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.4vw, 34px);
  margin-top: clamp(18px, 3vw, 28px);
}

.page-about .ab-split__text p {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--ink-soft);
  margin: 0 0 12px;
}

.page-about .ab-roles {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .ab-roles li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: rgba(47, 174, 143, 0.08);
}

.page-about .ab-roles__num {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--c-palm);
}

.page-about .ab-roles__name {
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.page-about .ab-split__figure {
  margin: 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--c-night);
}

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

.page-about .ab-split__caption {
  display: block;
  padding: 9px 14px 11px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
  border-top: 1px solid var(--line);
}

/* 更新节奏 */
.page-about .ab-rhythm {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-about .ab-rhythm__item {
  border-left: 2px solid var(--c-tide);
  padding: 12px 0 12px 16px;
  transition: border-color 0.2s var(--ease);
}

.page-about .ab-rhythm__item:hover {
  border-left-color: var(--c-amber);
}

.page-about .ab-rhythm__cycle {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--c-amber);
}

.page-about .ab-rhythm__title {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  margin: 6px 0 0;
  color: var(--ink);
}

.page-about .ab-rhythm__text {
  margin: 6px 0 0;
  font-family: var(--font-serif);
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-about .ab-rhythm__foot {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 合作生态 */
.page-about .ab-coop {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-about .ab-coop__item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  background: rgba(11, 44, 69, 0.5);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .ab-coop__item:hover {
  border-color: var(--line-strong);
  background: rgba(11, 44, 69, 0.78);
}

.page-about .ab-coop__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  border: 1px solid currentColor;
}

.page-about .ab-coop__tag--coral {
  color: var(--c-coral);
}

.page-about .ab-coop__tag--amber {
  color: var(--c-amber);
}

.page-about .ab-coop__tag--palm {
  color: var(--c-palm);
}

.page-about .ab-coop__tag--mist {
  color: var(--c-glass);
}

.page-about .ab-coop__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin: 10px 0 0;
  color: var(--ink);
}

.page-about .ab-coop__text {
  margin: 6px 0 0;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 荣誉墙 */
.page-about .ab-honors-wrap {
  margin-top: clamp(28px, 4.6vw, 48px);
}

.page-about .ab-honors-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  margin-bottom: 16px;
}

.page-about .ab-honors__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
  color: var(--ink);
}

.page-about .ab-honors__note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-mute);
}

.page-about .ab-honors {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-about .ab-honor {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px 14px 16px;
  background: linear-gradient(170deg, rgba(20, 58, 82, 0.72), rgba(6, 24, 38, 0.9));
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-about .ab-honor:hover {
  border-color: var(--c-amber);
  transform: translateY(-2px);
}

.page-about .ab-honor__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--c-amber);
}

.page-about .ab-honor__name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.45;
  margin: 8px 0 10px;
  color: var(--ink);
}

.page-about .ab-honor__tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: rgba(159, 214, 208, 0.12);
  color: var(--c-glass);
  opacity: 0.55;
  transition: opacity 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .ab-honor:hover .ab-honor__tag,
.page-about .ab-honor:focus-within .ab-honor__tag {
  opacity: 1;
  background: rgba(159, 214, 208, 0.22);
}

/* 夜航索引手册 */
.page-about .ab-manual {
  margin-top: clamp(26px, 4.4vw, 44px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 3vw, 28px);
  align-items: center;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  padding: clamp(16px, 3vw, 26px);
  background:
    radial-gradient(100% 150% at 100% 0%, rgba(244, 183, 74, 0.14), transparent 62%),
    rgba(11, 44, 69, 0.5);
}

.page-about .ab-manual__figure {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
}

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

.page-about .ab-manual__coord {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--c-amber);
}

.page-about .ab-manual__title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.6vw, 1.45rem);
  font-weight: 700;
  line-height: 1.3;
  margin: 10px 0 0;
  color: var(--ink);
}

.page-about .ab-manual__text {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: 0.94rem;
  line-height: 1.88;
  color: var(--ink-soft);
}

/* 值得收藏 */
.page-about .ab-keep__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 32px);
  margin-top: clamp(16px, 2.6vw, 24px);
}

.page-about .ab-keep__col p {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--ink-soft);
  margin: 0 0 12px;
}

.page-about .ab-keep__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-about .ab-keep__points li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-about .ab-keep__num {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--c-amber);
  letter-spacing: -0.01em;
}

/* CTA */
.page-about .ab-cta {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 107, 74, 0.38);
  padding: clamp(24px, 4vw, 44px);
  background:
    radial-gradient(120% 160% at 0% 0%, rgba(255, 107, 74, 0.16), transparent 62%),
    linear-gradient(150deg, rgba(11, 44, 69, 0.94), rgba(6, 24, 38, 0.98));
}

.page-about .ab-cta__coord {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--c-coral);
}

.page-about .ab-cta__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  line-height: 1.24;
  margin: 10px 0 0;
  color: var(--ink);
}

.page-about .ab-cta__text {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 40rem;
}

.page-about .ab-cta__links {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-about .ab-cta__link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 30px 16px 0;
  min-height: 44px;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: padding-left 0.2s var(--ease), border-bottom-color 0.2s var(--ease);
}

.page-about .ab-cta__link::after {
  content: "→";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  color: var(--c-amber);
  transition: transform 0.2s var(--ease), color 0.2s var(--ease);
}

.page-about .ab-cta__link:hover,
.page-about .ab-cta__link:focus-visible {
  padding-left: 8px;
  border-bottom-color: var(--c-coral);
}

.page-about .ab-cta__link:hover::after,
.page-about .ab-cta__link:focus-visible::after {
  transform: translate(4px, -50%);
  color: var(--c-coral);
}

.page-about .ab-cta__link-label {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
}

.page-about .ab-cta__link-desc {
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--ink-mute);
}

/* 平板与桌面 */
@media (min-width: 640px) {
  .page-about .ab-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .ab-rhythm__item {
    padding: 4px 20px 4px 16px;
    border-left: 1px solid var(--line);
  }

  .page-about .ab-rhythm__item:first-child {
    border-left: 2px solid var(--c-amber);
    padding-left: 16px;
  }

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

  .page-about .ab-cta__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(16px, 3vw, 40px);
  }
}

@media (min-width: 860px) {
  .page-about .ab-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-about .ab-keep__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-about .ab-manual {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-about .ab-honors {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-about .ab-honors > :nth-child(2),
  .page-about .ab-honors > :nth-child(5),
  .page-about .ab-honors > :nth-child(8) {
    margin-top: 26px;
  }

  .page-about .ab-honors > :nth-child(3),
  .page-about .ab-honors > :nth-child(6),
  .page-about .ab-honors > :nth-child(9) {
    margin-top: 13px;
  }
}

@media (min-width: 960px) {
  .page-about .ab-body {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 64px);
  }

  .page-about .ab-index {
    position: sticky;
    top: 104px;
    align-self: start;
    border-top: 0;
    padding-top: 0;
  }

  .page-about .ab-index__list {
    display: grid;
    gap: 0;
    margin-top: 14px;
  }

  .page-about .ab-index__link {
    position: relative;
    display: flex;
    padding: 11px 0 11px 16px;
    border: 0;
    border-left: 1px solid var(--line);
    border-radius: 0;
    background: none;
    font-size: 0.86rem;
  }

  .page-about .ab-index__link::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 50%;
    width: 1px;
    height: 0;
    background: var(--c-amber);
    transform: translateY(-50%);
    transition: height 0.25s var(--ease);
  }

  .page-about .ab-index__link:hover,
  .page-about .ab-index__link:focus-visible {
    background: none;
    color: var(--ink);
    border-color: var(--line);
  }

  .page-about .ab-index__link:hover::before,
  .page-about .ab-index__link:focus-visible::before {
    height: 72%;
  }

  .page-about .ab-stage {
    padding-left: 56px;
  }

  .page-about .ab-track::before {
    left: 17px;
  }

  .page-about .ab-stage__node {
    width: 34px;
    height: 34px;
    font-size: 0.74rem;
  }

  .page-about .ab-coop {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 1200px) {
  .page-about .ab-hero__title {
    letter-spacing: -0.03em;
  }

  .page-about .ab-body {
    grid-template-columns: 210px minmax(0, 1fr);
  }
}
<<<END>>>