.page-about {
  --ab-paper-dim: #4A5A6B;
  --ab-hair-paper: rgba(18, 32, 47, 0.24);
  display: block;
  min-width: 0;
}

.page-about *,
.page-about *::before,
.page-about *::after {
  box-sizing: border-box;
}

/* ---------- 面包屑 ---------- */
.page-about .ab-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 22px 0 0;
  font-family: var(--ng-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ng-dim);
}

.page-about .ab-crumbs a {
  color: var(--ng-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-about .ab-crumbs a:hover {
  color: var(--ng-neon);
  border-bottom-color: var(--ng-neon);
}

.page-about .ab-crumbs [aria-current="page"] {
  color: var(--ng-text);
}

/* ---------- 首屏 ---------- */
.page-about .ab-hero {
  padding: 26px 0 52px;
  border-bottom: var(--ng-hairline);
}

.page-about .ab-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-about .ab-hero__main {
  min-width: 0;
}

.page-about .ab-vnote {
  margin: 0 0 12px;
  font-family: var(--ng-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--ng-neon-dark);
}

.page-about .ab-hero__title {
  margin: 14px 0 18px;
  font-family: var(--ng-display);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ng-text);
  max-width: 18em;
}

.page-about .ab-hero__lead {
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ng-dim);
  max-width: 42em;
}

.page-about .ab-hero__actions,
.page-about .ab-quick__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .ab-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ng-grid);
  border-left: 1px solid var(--ng-grid);
}

.page-about .ab-stats__item {
  border-right: 1px solid var(--ng-grid);
  border-bottom: 1px solid var(--ng-grid);
  padding: 16px 14px;
  min-width: 0;
}

.page-about .ab-stats__num {
  display: block;
  font-size: clamp(22px, 4.4vw, 32px);
  line-height: 1.1;
  color: var(--ng-neon);
}

.page-about .ab-stats__label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--ng-dim);
}

/* ---------- 章节标题 ---------- */
.page-about .ab-h2 {
  margin: 12px 0 16px;
  font-family: var(--ng-display);
  font-weight: 900;
  font-size: clamp(23px, 4.6vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ng-text);
}

.page-about .ab-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ng-dim);
  max-width: 40em;
}

/* ---------- 定位（暖纸面） ---------- */
.page-about .ab-stance {
  background: var(--ng-paper);
  color: var(--ng-paper-text);
  padding: 52px 0;
  border-bottom: var(--ng-hairline);
}

.page-about .ab-stance__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-about .ab-stance .ng-eyebrow,
.page-about .ab-lib .ng-eyebrow {
  color: var(--ng-neon-dark);
}

.page-about .ab-stance .ab-h2,
.page-about .ab-lib .ab-h2 {
  color: var(--ng-paper-text);
}

.page-about .ab-stance__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ab-paper-dim);
  max-width: 38em;
}

.page-about .ab-cases {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ab-hair-paper);
}

.page-about .ab-cases__item {
  padding: 18px 0;
  border-bottom: 1px solid var(--ab-hair-paper);
}

.page-about .ab-cases__tag {
  display: inline-block;
  font-family: var(--ng-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ng-neon-dark);
  border-bottom: 1px solid var(--ng-neon-dark);
}

.page-about .ab-cases__title {
  margin: 10px 0 6px;
  font-size: 17px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--ng-paper-text);
}

.page-about .ab-cases__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ab-paper-dim);
}

/* ---------- 三审流程 ---------- */
.page-about .ab-flow {
  padding: 52px 0;
  border-bottom: var(--ng-hairline);
}

.page-about .ab-flow__figure {
  margin: 28px 0 30px;
}

.page-about .ab-flow__filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 26px;
}

.page-about .ab-flow__count {
  margin-left: auto;
}

.page-about .ab-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-about .ab-step {
  padding: 22px 18px;
  min-width: 0;
}

.page-about .ab-step__no {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ng-neon-dark);
  border: 1px solid var(--ng-neon-dark);
  padding: 3px 8px;
}

.page-about .ab-step__title {
  margin: 14px 0 10px;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--ng-paper-text);
}

.page-about .ab-step__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ab-paper-dim);
}

.page-about .ab-step__fields {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--ab-hair-paper);
  display: grid;
  gap: 10px;
}

.page-about .ab-step__row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.page-about .ab-step__row dt {
  font-family: var(--ng-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ng-neon-dark);
}

.page-about .ab-step__row dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ng-paper-text);
}

/* ---------- 教练履历库 ---------- */
.page-about .ab-lib {
  background: var(--ng-paper);
  color: var(--ng-paper-text);
  padding: 52px 0;
  border-bottom: var(--ng-hairline);
}

.page-about .ab-lib__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-about .ab-lib__figure {
  margin: 0;
}

.page-about .ab-lib__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ab-paper-dim);
  max-width: 40em;
}

.page-about .ab-fields {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--ab-hair-paper);
}

.page-about .ab-fields__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  padding: 13px 0;
  border-bottom: 1px solid var(--ab-hair-paper);
}

.page-about .ab-fields__key {
  font-family: var(--ng-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ng-neon-dark);
}

.page-about .ab-fields__val {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ng-paper-text);
}

/* ---------- 团队与合作 ---------- */
.page-about .ab-team {
  padding: 52px 0;
  border-bottom: var(--ng-hairline);
}

.page-about .ab-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-about .ab-team__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ng-dim);
  max-width: 40em;
}

.page-about .ab-team__text:last-child {
  margin-bottom: 0;
}

.page-about .ab-bars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-about .ab-bars__row {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.page-about .ab-bars__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--ng-text);
}

.page-about .ab-bars__num {
  font-size: 12px;
  color: var(--ng-neon);
}

.page-about .ab-bars__track {
  display: block;
  height: 6px;
  background: rgba(43, 59, 82, 0.65);
  overflow: hidden;
}

.page-about .ab-bars__fill {
  display: block;
  height: 100%;
  width: 0;
  background: var(--ng-neon);
}

.page-about .ab-bars__row:nth-child(1) .ab-bars__fill { width: 39.1%; }
.page-about .ab-bars__row:nth-child(2) .ab-bars__fill { width: 26.1%; }
.page-about .ab-bars__row:nth-child(3) .ab-bars__fill { width: 19.6%; }
.page-about .ab-bars__row:nth-child(4) .ab-bars__fill { width: 15.2%; }

.page-about .ab-team__figure {
  margin: 34px 0 0;
}

/* ---------- 运营节点 ---------- */
.page-about .ab-time {
  padding: 52px 0;
  border-bottom: var(--ng-hairline);
}

.page-about .ab-timeline {
  list-style: none;
  margin: 30px 0 0;
  padding: 0 0 0 26px;
  border-left: 1px solid var(--ng-grid);
}

.page-about .ab-timeline__item {
  position: relative;
  padding: 0 0 30px;
}

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

.page-about .ab-timeline__item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 5px;
  width: 10px;
  height: 10px;
  background: var(--ng-night);
  border: 1px solid var(--ng-neon);
}

.page-about .ab-timeline__year {
  display: block;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--ng-neon);
  margin-bottom: 6px;
}

.page-about .ab-timeline__title {
  margin: 0 0 6px;
  font-size: 17px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--ng-text);
}

.page-about .ab-timeline__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ng-dim);
  max-width: 38em;
}

.page-about .ab-rhythm {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 40px;
  border-top: 1px solid var(--ng-grid);
  border-left: 1px solid var(--ng-grid);
}

.page-about .ab-rhythm__cell {
  border-right: 1px solid var(--ng-grid);
  border-bottom: 1px solid var(--ng-grid);
  padding: 16px 14px;
  min-width: 0;
}

.page-about .ab-rhythm__name {
  display: block;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--ng-neon);
  margin-bottom: 8px;
}

.page-about .ab-rhythm__desc {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ng-dim);
}

.page-about .ab-time__note {
  margin: 18px 0 0;
}

/* ---------- 快速入口 ---------- */
.page-about .ab-quick {
  background: var(--ng-ink);
  border-top: 1px solid var(--ng-grid);
  padding: 48px 0 56px;
}

.page-about .ab-quick__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .ab-quick__title {
  margin: 12px 0 12px;
  font-family: var(--ng-display);
  font-weight: 900;
  font-size: clamp(22px, 4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ng-text);
}

.page-about .ab-quick__text {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ng-dim);
  max-width: 44em;
}

.page-about .ab-quick__links {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ng-grid);
  align-self: start;
}

.page-about .ab-quick__links li {
  border-bottom: 1px solid var(--ng-grid);
}

.page-about .ab-quick__links a {
  display: block;
  padding: 15px 2px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ng-text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-about .ab-quick__links a::after {
  content: " →";
  color: var(--ng-neon);
}

.page-about .ab-quick__links a:hover {
  color: var(--ng-neon);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .ab-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .ab-fields__row {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }

  .page-about .ab-step {
    padding: 26px 24px;
  }
}

@media (min-width: 900px) {
  .page-about .ab-hero {
    padding: 34px 0 68px;
  }

  .page-about .ab-hero__grid {
    grid-template-columns: 1.18fr 0.82fr;
    gap: 52px;
    align-items: start;
  }

  .page-about .ab-hero__main {
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }

  .page-about .ab-vnote {
    writing-mode: vertical-rl;
    margin: 0;
    height: 210px;
    letter-spacing: 0.32em;
    color: var(--ng-dim);
    white-space: nowrap;
  }

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

  .page-about .ab-hero__lead {
    font-size: 17px;
  }

  .page-about .ab-stance {
    padding: 68px 0;
  }

  .page-about .ab-stance__grid {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
  }

  .page-about .ab-cases {
    border-top: none;
  }

  .page-about .ab-cases__item:first-child {
    padding-top: 0;
  }

  .page-about .ab-flow {
    padding: 68px 0;
  }

  .page-about .ab-steps {
    gap: 32px;
  }

  .page-about .ab-step:nth-child(2) {
    margin-left: 40px;
  }

  .page-about .ab-step:nth-child(3) {
    margin-left: 80px;
  }

  .page-about .ab-lib {
    padding: 68px 0;
  }

  .page-about .ab-lib__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
    align-items: start;
  }

  .page-about .ab-team {
    padding: 68px 0;
  }

  .page-about .ab-team__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 52px;
    align-items: start;
  }

  .page-about .ab-time {
    padding: 68px 0;
  }

  .page-about .ab-quick {
    padding: 60px 0 68px;
  }

  .page-about .ab-quick__inner {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-about .ab-step:nth-child(2) {
    margin-left: 56px;
  }

  .page-about .ab-step:nth-child(3) {
    margin-left: 112px;
  }
}
<<<END>>>