.page-about {
  --about-rule: var(--ab-sand);
  --about-rail: 112px;
}

.page-about .about-crumbs {
  padding-top: clamp(16px, 3vw, 26px);
  background: var(--ab-cream);
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(95% 120% at 94% -12%, rgba(255, 90, 31, 0.16), rgba(255, 90, 31, 0) 62%),
    radial-gradient(70% 90% at 0% 110%, rgba(71, 245, 197, 0.14), rgba(71, 245, 197, 0) 70%),
    var(--ab-cream);
  padding-top: clamp(22px, 4vw, 40px);
  padding-bottom: clamp(34px, 5vw, 62px);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -84px;
  width: 62%;
  height: 180px;
  background: var(--ab-deep);
  opacity: 0.055;
  transform: rotate(-7deg);
  pointer-events: none;
}

.page-about .about-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-about .about-hero__title {
  margin: 0.35em 0 0.5em;
  font-size: clamp(32px, 5.4vw, 64px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ab-ink);
}

.page-about .about-hero__actions {
  margin-top: clamp(20px, 3vw, 30px);
}

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

.page-about .about-figures__item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--about-rule);
}

.page-about .about-figures__num {
  font-family: var(--ab-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--ab-deep);
  min-width: 2.2em;
}

.page-about .about-figures__label {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ab-mist);
}

/* ---------- toc ---------- */
.page-about .about-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(28px, 4vw, 46px);
  padding-top: clamp(18px, 2.5vw, 26px);
  border-top: 1px solid var(--about-rule);
}

.page-about .about-toc__link {
  display: inline-block;
  padding: 7px 13px;
  border: 1px solid var(--about-rule);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--ab-deep);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.6);
  transition: background 0.2s var(--ab-ease), border-color 0.2s var(--ab-ease),
    color 0.2s var(--ab-ease), transform 0.2s var(--ab-ease);
}

.page-about .about-toc__link:hover,
.page-about .about-toc__link:focus-visible {
  background: var(--ab-deep);
  border-color: var(--ab-deep);
  color: var(--ab-white);
  transform: translateY(-1px);
}

.page-about .about-toc__link:focus-visible {
  outline: 2px solid var(--ab-orange);
  outline-offset: 3px;
}

/* ---------- chapter shell ---------- */
.page-about .about-chapter {
  position: relative;
}

.page-about .about-chapter__grid {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
}

.page-about .about-chapter__rail {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-about .about-chapter__num {
  font-family: var(--ab-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--ab-orange);
}

.page-about .about-chapter__railtext {
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--ab-mist);
}

.page-about .about-chapter__body > .ab-h2 {
  margin-top: 0;
  margin-bottom: 0.7em;
}

.page-about .about-chapter__intro {
  max-width: 36em;
}

.page-about .ab-section--deep .about-chapter__railtext,
.page-about .ab-section--midnight .about-chapter__railtext {
  color: rgba(255, 255, 255, 0.6);
}

.page-about .ab-section--deep .ab-prose {
  color: rgba(255, 255, 255, 0.82);
}

/* ---------- points ---------- */
.page-about .about-points {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-points__item {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--ab-white);
  border-left: 3px solid var(--ab-orange);
  border-radius: 0 var(--ab-radius) var(--ab-radius) 0;
  box-shadow: 0 1px 0 var(--about-rule);
}

.page-about .about-points__k {
  font-weight: 700;
  font-size: 15px;
  color: var(--ab-ink);
}

.page-about .about-points__v {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ab-mist);
}

/* ---------- team ---------- */
.page-about .about-team {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(24px, 3.5vw, 38px);
}

.page-about .about-team__figure {
  border-radius: var(--ab-radius);
  overflow: hidden;
  border: 1px solid var(--about-rule);
  background: var(--ab-white);
}

.page-about .about-team__figure .ab-media__cap,
.page-about .about-history__figure .ab-media__cap,
.page-about .about-member__figure .ab-media__cap {
  padding: 10px 14px;
  font-size: 12px;
  letter-spacing: 0.02em;
}

.page-about .about-roles {
  display: grid;
  gap: 10px;
}

.page-about .about-role {
  padding: 14px 16px;
  background: var(--ab-white);
  border: 1px solid var(--about-rule);
  border-radius: var(--ab-radius);
  transition: border-color 0.2s var(--ab-ease), transform 0.2s var(--ab-ease),
    box-shadow 0.2s var(--ab-ease);
}

.page-about .about-role:hover {
  border-color: var(--ab-deep);
  transform: translateY(-2px);
  box-shadow: var(--ab-shadow);
}

.page-about .about-role__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ab-deep);
}

.page-about .about-role__title::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  vertical-align: 2px;
  background: var(--ab-orange);
}

.page-about .about-role__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ab-mist);
}

/* ---------- rhythm ---------- */
.page-about .about-rhythm {
  margin-top: clamp(26px, 4vw, 40px);
  padding: clamp(18px, 2.6vw, 26px);
  background: rgba(11, 42, 69, 0.045);
  border-radius: var(--ab-radius);
}

.page-about .about-rhythm .ab-h3 {
  margin-top: 0;
  margin-bottom: 14px;
}

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

.page-about .about-rhythm__item {
  display: grid;
  gap: 5px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--about-rule);
}

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

.page-about .about-rhythm__tag {
  font-family: var(--ab-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ab-orange-deep);
}

.page-about .about-rhythm__text {
  font-size: 14px;
  line-height: 1.72;
  color: var(--ab-ink);
}

/* ---------- history ---------- */
.page-about .about-history {
  display: grid;
  gap: clamp(22px, 3.4vw, 36px);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .about-history__figure {
  border-radius: var(--ab-radius);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.page-about .about-history__figure .ab-media__cap {
  color: rgba(255, 255, 255, 0.66);
}

.page-about .about-tl {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  border-left: 2px solid rgba(255, 255, 255, 0.18);
}

.page-about .about-tl__item {
  position: relative;
  padding: 0 0 26px 8px;
  transition: transform 0.2s var(--ab-ease);
}

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

.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ab-deep);
  border: 2px solid rgba(255, 255, 255, 0.45);
  transition: background 0.2s var(--ab-ease), border-color 0.2s var(--ab-ease),
    box-shadow 0.2s var(--ab-ease);
}

.page-about .about-tl__item:hover::before,
.page-about .about-tl__item:focus::before,
.page-about .about-tl__item:focus-within::before {
  background: var(--ab-mint);
  border-color: var(--ab-mint);
  box-shadow: 0 0 0 5px rgba(71, 245, 197, 0.18);
}

.page-about .about-tl__item:focus-visible {
  outline: 2px solid var(--ab-orange);
  outline-offset: 6px;
  border-radius: 2px;
}

.page-about .about-tl__when {
  margin: 0 0 4px;
  font-family: var(--ab-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ab-mint);
}

.page-about .about-tl__title {
  margin: 0 0 6px;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.42;
  font-weight: 700;
  color: var(--ab-white);
}

.page-about .about-tl__more {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.66);
  transition: color 0.2s var(--ab-ease);
}

.page-about .about-tl__item:hover .about-tl__more,
.page-about .about-tl__item:focus .about-tl__more,
.page-about .about-tl__item:focus-within .about-tl__more {
  color: rgba(255, 255, 255, 0.94);
}

/* ---------- perks ---------- */
.page-about .about-perks {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .about-perk {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 20px 18px 22px;
  background: var(--ab-white);
  border: 1px solid var(--about-rule);
  border-radius: var(--ab-radius);
  transition: transform 0.2s var(--ab-ease), box-shadow 0.2s var(--ab-ease),
    border-color 0.2s var(--ab-ease);
}

.page-about .about-perk::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  right: -1px;
  height: 4px;
  background: var(--ab-orange);
  border-radius: var(--ab-radius) var(--ab-radius) 0 0;
}

.page-about .about-perk--mint::before {
  background: var(--ab-mint);
}

.page-about .about-perk--deep::before {
  background: var(--ab-deep);
}

.page-about .about-perk:hover,
.page-about .about-perk:focus-within {
  transform: translateY(-3px);
  border-color: var(--ab-deep);
  box-shadow: var(--ab-shadow);
}

.page-about .about-perk__idx {
  font-family: var(--ab-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ab-mist);
}

.page-about .about-perk__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ab-deep);
}

.page-about .about-perk__for {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--ab-orange-deep);
}

.page-about .about-perk--mint .about-perk__for {
  color: #1F8F73;
}

.page-about .about-perk__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--ab-mist);
}

/* ---------- member aside ---------- */
.page-about .about-member__aside {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  margin-top: clamp(24px, 3.5vw, 36px);
}

.page-about .about-member__figure {
  border-radius: var(--ab-radius);
  overflow: hidden;
  border: 1px solid var(--about-rule);
  background: var(--ab-white);
}

.page-about .about-member__note {
  padding: clamp(18px, 2.6vw, 24px);
  background: var(--ab-deep);
  border-radius: var(--ab-radius);
  color: var(--ab-white);
}

.page-about .about-member__note .ab-h3 {
  margin-top: 0;
  color: var(--ab-white);
}

.page-about .about-member__note .ab-prose {
  color: rgba(255, 255, 255, 0.8);
}

.page-about .about-member__link {
  margin: 16px 0 0;
}

/* ---------- coverage ---------- */
.page-about .about-coverage__head {
  max-width: 34em;
}

.page-about .about-coverage__head .ab-eyebrow {
  color: var(--ab-mint);
}

.page-about .about-coverage__title {
  color: var(--ab-white);
  margin-top: 0.3em;
}

.page-about .about-stats {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  background: rgba(255, 255, 255, 0.14);
  border-radius: var(--ab-radius);
  overflow: hidden;
}

.page-about .about-stats__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 18px;
  background: rgba(255, 255, 255, 0.045);
}

.page-about .about-stats__num {
  font-family: var(--ab-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 700;
  line-height: 1;
  color: var(--ab-mint);
}

.page-about .about-stats__unit {
  font-size: 0.5em;
  margin-left: 2px;
}

.page-about .about-stats__label {
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.72);
}

.page-about .about-eco {
  display: grid;
  gap: clamp(22px, 3.4vw, 36px);
  margin-top: clamp(30px, 4.5vw, 46px);
  padding-top: clamp(24px, 3.5vw, 34px);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.page-about .about-eco__text .ab-h3 {
  color: var(--ab-white);
  margin-top: 0;
}

.page-about .about-eco__text .ab-prose {
  color: rgba(255, 255, 255, 0.78);
}

.page-about .about-eco__trust {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--ab-orange);
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.7);
}

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

.page-about .about-eco__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--ab-radius);
  transition: border-color 0.2s var(--ab-ease), background 0.2s var(--ab-ease);
}

.page-about .about-eco__item:hover {
  border-color: var(--ab-mint);
  background: rgba(71, 245, 197, 0.07);
}

.page-about .about-eco__k {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ab-white);
}

.page-about .about-eco__v {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.66);
}

/* ---------- next ---------- */
.page-about .about-next__grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
}

.page-about .about-next__main .ab-h2 {
  margin-top: 0.3em;
}

.page-about .about-next__tips {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-about .about-next__tips li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ab-ink);
}

.page-about .about-next__tips li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--ab-orange);
}

.page-about .about-next__links {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-about .about-next__link {
  display: grid;
  gap: 5px;
  padding: 16px 18px;
  background: var(--ab-white);
  border: 1px solid var(--about-rule);
  border-left: 4px solid var(--ab-orange);
  border-radius: 0 var(--ab-radius) var(--ab-radius) 0;
  text-decoration: none;
  transition: transform 0.2s var(--ab-ease), box-shadow 0.2s var(--ab-ease),
    border-left-color 0.2s var(--ab-ease);
}

.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  transform: translateX(3px);
  box-shadow: var(--ab-shadow);
  border-left-color: var(--ab-mint);
}

.page-about .about-next__link:focus-visible {
  outline: 2px solid var(--ab-orange);
  outline-offset: 3px;
}

.page-about .about-next__linkk {
  font-weight: 700;
  font-size: 15px;
  color: var(--ab-deep);
}

.page-about .about-next__linkv {
  font-size: 13px;
  line-height: 1.65;
  color: var(--ab-mist);
}

/* ---------- responsive ---------- */
@media (min-width: 620px) {
  .page-about .about-roles {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-perks {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-stats {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-next__links {
    grid-template-columns: 1fr;
  }

  .page-about .about-rhythm__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

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

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-about .about-hero__side {
    padding-bottom: 6px;
  }

  .page-about .about-chapter__grid {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: clamp(26px, 4.5vw, 58px);
  }

  .page-about .about-chapter__rail {
    position: sticky;
    top: 130px;
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-about .about-chapter__railtext {
    writing-mode: vertical-rl;
    letter-spacing: 0.4em;
    padding-top: 4px;
  }

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

  .page-about .about-team {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-about .about-history {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-about .about-history__figure {
    position: sticky;
    top: 130px;
  }

  .page-about .about-perks {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-member__aside {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: stretch;
  }

  .page-about .about-eco {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-about .about-next__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

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