/* ==========================================================
   品牌与使命 / page-about
   ========================================================== */

.page-about {
  --abo-c-eng: var(--cyan);
  --abo-c-ops: #2E7C93;
  --abo-c-cs: var(--gold);
  --abo-c-fn: rgba(169, 187, 208, .58);

  --abo-gutter-y: clamp(48px, 7vw, 96px);
  --abo-head-gap: clamp(24px, 3.6vw, 40px);

  color: var(--mist);
  background: var(--blue-900);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-about .abo-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(84px, 12vw, 148px) 0 clamp(48px, 7vw, 84px);
  background:
    radial-gradient(130% 100% at 92% 0%, rgba(0, 229, 255, .16) 0%, transparent 55%),
    radial-gradient(90% 80% at 0% 100%, rgba(200, 162, 74, .13) 0%, transparent 62%),
    linear-gradient(168deg, var(--violet-800) 0%, var(--blue-900) 58%, var(--blue-800) 100%);
}

.page-about .abo-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(169, 187, 208, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169, 187, 208, .07) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: radial-gradient(120% 92% at 68% 18%, #000 0%, transparent 74%);
  mask-image: radial-gradient(120% 92% at 68% 18%, #000 0%, transparent 74%);
  pointer-events: none;
}

.page-about .abo-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: 4%;
  width: 64%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan) 46%, transparent);
  transform: rotate(-18deg);
  transform-origin: right center;
  opacity: .5;
  pointer-events: none;
}

.page-about .abo-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-about .abo-hero .crumbs {
  margin-bottom: clamp(28px, 4vw, 48px);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--haze);
}

.page-about .abo-hero .crumbs a {
  color: var(--haze);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-about .abo-hero .crumbs a:hover,
.page-about .abo-hero .crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-about .abo-hero .crumbs-item + .crumbs-item::before {
  content: "／";
  margin: 0 10px;
  color: rgba(169, 187, 208, .5);
}

.page-about .abo-hero-grid {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
}

.page-about .abo-hero-main .sec-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-about .abo-hero-title {
  margin: 18px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 7.2vw, 84px);
  line-height: 1.02;
  letter-spacing: -.025em;
  color: #fff;
  text-wrap: balance;
}

.page-about .abo-hero-title em {
  font-style: normal;
  color: var(--cyan);
}

.page-about .abo-hero-lead {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 40ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--haze);
}

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

.page-about .abo-hero-facts .metric {
  padding: 18px 16px 20px;
  background: rgba(6, 24, 47, .78);
  border-left: 2px solid transparent;
  transition: border-color .28s var(--ease), background .28s var(--ease);
}

.page-about .abo-hero-facts .metric:hover,
.page-about .abo-hero-facts .metric:focus-within {
  border-left-color: var(--cyan);
  background: rgba(15, 76, 92, .55);
}

.page-about .abo-hero-facts .metric-value {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1;
  letter-spacing: -.02em;
  color: #fff;
}

.page-about .abo-hero-facts .metric-unit {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-about .abo-hero-facts .metric-note {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--haze);
}

/* ---------- 主体骨架：侧栏索引 + 内容流 ---------- */

.page-about .abo-body {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(36px, 6vw, 72px) 0 clamp(56px, 8vw, 104px);
}

.page-about .abo-rail {
  border-bottom: 1px solid var(--line-ghost);
  padding-bottom: 14px;
}

.page-about .abo-rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: rgba(169, 187, 208, .62);
}

.page-about .abo-rail-list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-about .abo-rail-link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  white-space: nowrap;
  padding: 8px 10px;
  border-bottom: 2px solid transparent;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--haze);
  text-decoration: none;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-about .abo-rail-num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-about .abo-rail-link:hover,
.page-about .abo-rail-link:focus-visible,
.page-about .abo-rail-link.is-active,
.page-about .abo-rail-link[aria-current="true"] {
  color: #fff;
  border-bottom-color: var(--cyan);
}

.page-about .abo-flow {
  min-width: 0;
}

/* ---------- 章节通用 ---------- */

.page-about .abo-sec {
  position: relative;
  padding: var(--abo-gutter-y) 0;
  border-top: 1px solid var(--line-ghost);
}

.page-about .abo-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .abo-sec--deep {
  background:
    linear-gradient(180deg, rgba(6, 24, 47, .9) 0%, rgba(10, 42, 92, .55) 100%);
  margin-left: calc(-1 * var(--gutter));
  margin-right: calc(-1 * var(--gutter));
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.page-about .abo-sec--violet {
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(0, 229, 255, .1) 0%, transparent 58%),
    linear-gradient(180deg, rgba(46, 26, 94, .92) 0%, rgba(6, 24, 47, .6) 100%);
  margin-left: calc(-1 * var(--gutter));
  margin-right: calc(-1 * var(--gutter));
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.page-about .abo-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px 18px;
  align-items: start;
  margin-bottom: var(--abo-head-gap);
}

.page-about .abo-head .sec-num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: .92;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-about .abo-head .sec-kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: rgba(169, 187, 208, .7);
}

.page-about .abo-head .sec-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 44px);
  line-height: 1.1;
  letter-spacing: -.018em;
  color: #fff;
  text-wrap: balance;
}

.page-about .abo-lead {
  margin: 0 0 var(--abo-head-gap);
  max-width: 44ch;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--haze);
}

.page-about .abo-lead a,
.page-about .abo-creed-text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .4);
  transition: border-color .25s var(--ease);
}

.page-about .abo-lead a:hover,
.page-about .abo-creed-text a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 图片 ---------- */

.page-about .abo-figure {
  margin: 0;
}

.page-about .abo-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(26px 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%, 0 26px);
}

.page-about .abo-figure figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.75;
  letter-spacing: .03em;
  color: rgba(169, 187, 208, .78);
}

.page-about .abo-figure--wide {
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-about .abo-figure--training {
  margin-top: clamp(32px, 5vw, 56px);
  margin-bottom: 0;
  max-width: 900px;
}

/* ---------- 双栏文字 ---------- */

.page-about .abo-cols {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-about .abo-cols p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--haze);
}

.page-about .abo-cols p strong {
  color: #fff;
  font-weight: 700;
}

/* ---------- 02 使命主张 ---------- */

.page-about .abo-creed {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .abo-creed-item {
  position: relative;
  padding: clamp(22px, 3vw, 32px) 0 clamp(22px, 3vw, 32px) 20px;
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid rgba(200, 162, 74, .35);
  transition: border-left-color .3s var(--ease), background .3s var(--ease);
}

.page-about .abo-creed-item:hover {
  border-left-color: var(--cyan);
  background: rgba(0, 229, 255, .035);
}

.page-about .abo-creed-key {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 26px);
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-about .abo-creed-text {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--haze);
}

/* ---------- 03 双区组织 ---------- */

.page-about .abo-region {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-about .abo-region-card {
  padding: clamp(22px, 3vw, 30px);
  background: rgba(6, 24, 47, .55);
}

.page-about .abo-region-tag {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-about .abo-region-name {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.3vw, 24px);
  line-height: 1.25;
  color: #fff;
}

.page-about .abo-region-card p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.88;
  color: var(--haze);
}

.page-about .abo-people {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(28px, 4vw, 48px);
}

.page-about .abo-figure--team figcaption {
  margin-top: 12px;
}

.page-about .abo-stack-title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 22px);
  color: #fff;
}

.page-about .abo-stack-lead {
  margin: 0 0 22px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--haze);
}

.page-about .abo-stack-bar {
  display: flex;
  gap: 3px;
  height: 16px;
  margin-bottom: 22px;
}

.page-about .abo-seg {
  position: relative;
  height: 100%;
  border-radius: 1px;
  transition: transform .28s var(--ease), filter .28s var(--ease);
}

.page-about .abo-seg--eng { flex: 190 1 0; background: var(--abo-c-eng); }
.page-about .abo-seg--ops { flex: 160 1 0; background: var(--abo-c-ops); }
.page-about .abo-seg--cs  { flex: 90 1 0;  background: var(--abo-c-cs); }
.page-about .abo-seg--fn  { flex: 40 1 0;  background: var(--abo-c-fn); }

.page-about .abo-seg:hover {
  transform: scaleY(1.35);
  filter: brightness(1.15);
}

.page-about .abo-seg-tip {
  position: absolute;
  left: 50%;
  bottom: 100%;
  transform: translate(-50%, 8px);
  padding: 4px 9px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .06em;
  white-space: nowrap;
  color: var(--blue-900);
  background: var(--cyan);
  opacity: 0;
  pointer-events: none;
  transition: opacity .24s var(--ease), transform .24s var(--ease);
}

.page-about .abo-seg:hover .abo-seg-tip,
.page-about .abo-seg:focus-within .abo-seg-tip {
  opacity: 1;
  transform: translate(-50%, 0);
}

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

.page-about .abo-legend li {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: var(--haze);
}

.page-about .abo-legend b {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .06em;
  color: #fff;
}

.page-about .abo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-about .abo-dot--eng { background: var(--abo-c-eng); }
.page-about .abo-dot--ops { background: var(--abo-c-ops); }
.page-about .abo-dot--cs  { background: var(--abo-c-cs); }
.page-about .abo-dot--fn  { background: var(--abo-c-fn); }

/* ---------- 04 里程碑 ---------- */

.page-about .abo-timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .abo-timeline::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--gold) 58%, rgba(0, 229, 255, 0) 100%);
  transform: rotate(1.6deg);
  transform-origin: 50% 0;
  opacity: .45;
  pointer-events: none;
}

.page-about .abo-tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  margin-left: calc(var(--i, 0) * 0px);
  border-top: 1px solid var(--line-ghost);
}

.page-about .abo-tl-item:nth-child(1) { --i: 0; }
.page-about .abo-tl-item:nth-child(2) { --i: 1; }
.page-about .abo-tl-item:nth-child(3) { --i: 2; }
.page-about .abo-tl-item:nth-child(4) { --i: 3; }
.page-about .abo-tl-item:nth-child(5) { --i: 4; }
.page-about .abo-tl-item:nth-child(6) { --i: 5; }
.page-about .abo-tl-item:nth-child(7) { --i: 6; }

.page-about .abo-tl-item::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 27px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--blue-900);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 255, .12);
  transition: background .3s var(--ease), box-shadow .3s var(--ease);
}

.page-about .abo-tl-item:hover::before {
  background: var(--cyan);
  box-shadow: 0 0 0 7px rgba(0, 229, 255, .16);
}

.page-about .abo-tl-year {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--gold);
  padding-top: 3px;
}

.page-about .abo-tl-body h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.35;
  color: #fff;
}

.page-about .abo-tl-body p {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--haze);
}

/* ---------- 05 资质与质量 ---------- */

.page-about .abo-badges {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(14px, 2vw, 22px);
}

.page-about .abo-badge {
  padding: 20px;
  border: 1px solid var(--line-soft);
  background: rgba(26, 26, 26, .35);
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  transition: border-color .28s var(--ease), background .28s var(--ease);
}

.page-about .abo-badge[open],
.page-about .abo-badge:hover {
  border-color: rgba(0, 229, 255, .5);
  background: rgba(15, 76, 92, .3);
}

.page-about .abo-badge summary {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .abo-badge summary::before {
  content: "";
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  background:
    radial-gradient(circle at 50% 50%, rgba(200, 162, 74, .28) 0%, transparent 68%);
  transition: border-color .28s var(--ease), box-shadow .28s var(--ease);
}

.page-about .abo-badge[open] summary::before,
.page-about .abo-badge:hover summary::before {
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 255, .12);
}

.page-about .abo-badge-code {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .02em;
  color: #fff;
}

.page-about .abo-badge p {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--haze);
}

/* ---------- 06 客户与行业 ---------- */

.page-about .abo-share {
  display: grid;
  gap: 14px;
  margin: 0 0 clamp(28px, 4vw, 44px);
  padding: 0;
  list-style: none;
}

.page-about .abo-share-row {
  display: grid;
  grid-template-columns: minmax(84px, 1fr) minmax(0, 2.2fr) auto;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  color: var(--haze);
}

.page-about .abo-share-track {
  display: block;
  height: 8px;
  background: rgba(169, 187, 208, .14);
  overflow: hidden;
}

.page-about .abo-share-fill {
  display: block;
  height: 100%;
  transition: filter .28s var(--ease);
}

.page-about .abo-share-row:hover .abo-share-fill {
  filter: brightness(1.2);
}

.page-about .abo-share-row--a .abo-share-fill { width: 40%; background: var(--cyan); }
.page-about .abo-share-row--b .abo-share-fill { width: 20%; background: var(--gold); }
.page-about .abo-share-row--c .abo-share-fill { width: 20%; background: #2E7C93; }
.page-about .abo-share-row--d .abo-share-fill { width: 20%; background: rgba(169, 187, 208, .58); }

.page-about .abo-share-val {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: #fff;
}

.page-about .abo-coverage-notes {
  padding-top: clamp(4px, 1vw, 12px);
  border-top: 1px solid var(--line-ghost);
}

/* ---------- 07 携手壹号 ---------- */

.page-about .abo-partner {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-about .abo-partner-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3vw, 30px);
  background: rgba(6, 24, 47, .55);
}

.page-about .abo-partner-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-about .abo-partner-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.3;
  color: #fff;
}

.page-about .abo-partner-card p {
  margin: 0;
  flex: 1 1 auto;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--haze);
}

.page-about .abo-partner-card .btn {
  align-self: flex-start;
  margin-top: 6px;
}

.page-about .abo-cta {
  display: grid;
  gap: 18px;
  margin-top: clamp(30px, 4.5vw, 52px);
  padding: clamp(24px, 3.4vw, 36px);
  border: 1px solid var(--line);
  background:
    radial-gradient(110% 130% at 100% 0%, rgba(0, 229, 255, .14) 0%, transparent 60%),
    rgba(6, 24, 47, .7);
  clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
}

.page-about .abo-cta-text {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-about .abo-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-about .abo-creed {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

  .page-about .abo-cols--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(24px, 3.4vw, 48px);
  }

  .page-about .abo-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
  }

  .page-about .abo-cta-actions {
    flex-wrap: nowrap;
  }
}

@media (min-width: 900px) {
  .page-about .abo-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(32px, 5vw, 72px);
  }

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

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

  .page-about .abo-tl-item {
    margin-left: calc(var(--i, 0) * 14px);
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 22px;
  }

  .page-about .abo-timeline::before {
    left: 33px;
    transform: rotate(2.1deg);
  }

  .page-about .abo-tl-item::before {
    left: 29px;
  }

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

@media (min-width: 1080px) {
  .page-about .abo-body {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 72px);
    align-items: start;
  }

  .page-about .abo-rail {
    position: sticky;
    top: calc(var(--hdr-h-shrink) + 28px);
    border-bottom: 0;
    border-left: 1px solid var(--line-ghost);
    padding: 0 0 0 18px;
  }

  .page-about .abo-rail-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-about .abo-rail-link {
    padding: 8px 10px 8px 0;
    border-bottom: 0;
    border-left: 2px solid transparent;
    margin-left: -20px;
    padding-left: 18px;
  }

  .page-about .abo-rail-link:hover,
  .page-about .abo-rail-link:focus-visible,
  .page-about .abo-rail-link.is-active,
  .page-about .abo-rail-link[aria-current="true"] {
    border-bottom-color: transparent;
    border-left-color: var(--cyan);
  }

  .page-about .abo-sec--deep,
  .page-about .abo-sec--violet {
    padding-left: clamp(24px, 3vw, 40px);
    padding-right: clamp(24px, 3vw, 40px);
  }
}

@media (min-width: 1320px) {
  .page-about .abo-hero-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}