.page-about .wrap {
  max-width: 1180px;
}

/* 面包屑 */
.page-about .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-block: 20px 2px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--dim);
}
.page-about .crumbs a {
  color: var(--dim);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-about .crumbs a:hover {
  color: var(--fox);
}
.page-about .crumbs__sep {
  color: var(--line);
}
.page-about .crumbs [aria-current="page"] {
  color: var(--paper);
}

/* 首屏 */
.page-about .about-hero {
  display: grid;
  gap: 26px;
  padding-block: 24px 34px;
}
.page-about .about-hero__text .eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fox);
  background: var(--ink-800);
}
.page-about h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 6.4vw, 56px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-about .about-hero__lede {
  margin: 0 0 12px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--mid);
}
.page-about .about-hero__media {
  margin: 0;
}
.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-700);
}
.page-about .about-hero__cap {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--dim);
}

/* 数字条 */
.page-about .about-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-bottom: 10px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-about .about-facts .stat {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 16px 18px;
  background: var(--ink-800);
}
.page-about .about-facts .stat__value {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--fox);
  font-variant-numeric: tabular-nums;
}
.page-about .about-facts .stat__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--dim);
}

/* 章节骨架 */
.page-about .about-block {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding-block: 38px;
  border-top: 1px solid var(--line);
}
.page-about .about-block__num {
  font-family: var(--mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--fox);
  font-variant-numeric: tabular-nums;
}
.page-about .about-block__num::after {
  content: "";
  display: block;
  width: 26px;
  height: 2px;
  margin-top: 12px;
  background: var(--line);
}
.page-about .about-block__title {
  margin: 0 0 16px;
  font-size: clamp(23px, 4.6vw, 34px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-about .about-block__body > p {
  margin: 0 0 14px;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--mid);
}
.page-about .about-block__body a {
  color: var(--paper);
  text-decoration: underline;
  text-decoration-color: var(--fox);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.page-about .about-block__body a:hover {
  color: var(--fox);
}

/* 01 场景清单 */
.page-about .about-scenes {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-about .about-scenes li {
  padding: 13px 16px;
  background: var(--ink-800);
  border-left: 2px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mid);
}
.page-about .about-scenes b {
  display: block;
  margin-bottom: 5px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

/* 02 主张 */
.page-about .about-quote {
  position: relative;
  margin: 20px 0 24px;
  padding: 20px 18px 20px 46px;
  border-left: 2px solid var(--fox);
  background: linear-gradient(90deg, rgba(255, 77, 28, 0.1), transparent 72%);
}
.page-about .about-quote__note {
  position: absolute;
  left: 14px;
  top: 24px;
  writing-mode: vertical-rl;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  color: var(--fox);
}
.page-about .about-quote p {
  margin: 0;
  font-size: clamp(20px, 3.2vw, 32px);
  font-weight: 900;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-about .about-rules {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-about .about-rules li {
  padding: 16px 18px;
  background: var(--ink-800);
}
.page-about .about-rules h3 {
  margin: 0 0 7px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--amber);
}
.page-about .about-rules p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mid);
}

/* 03 版本 */
.page-about .about-band {
  margin: 20px 0 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-about .about-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  background: var(--ink-700);
}
.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
}
.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 12px;
  bottom: 18px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--fox), var(--line) 72%);
}
.page-about .about-timeline__item {
  position: relative;
  margin-bottom: 12px;
}
.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--fox);
  box-shadow: 0 0 0 4px var(--ink-900);
}
.page-about .about-timeline__node {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s ease;
}
.page-about .about-timeline__node[open] {
  border-color: var(--fox);
}
.page-about .about-timeline__node summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}
.page-about .about-timeline__node summary::-webkit-details-marker {
  display: none;
}
.page-about .about-timeline__node summary:focus-visible {
  outline: 2px solid var(--fox);
  outline-offset: -2px;
  border-radius: var(--radius);
}
.page-about .about-timeline__node summary::after {
  content: "+";
  margin-left: auto;
  padding-left: 8px;
  font-family: var(--mono);
  font-size: 17px;
  line-height: 1;
  color: var(--fox);
}
.page-about .about-timeline__node[open] summary::after {
  content: "\2212";
}
.page-about .about-timeline__v {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--fox);
}
.page-about .about-timeline__t {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}
.page-about .about-timeline__d {
  margin: 0 16px 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mid);
}

/* 04 团队 */
.page-about .about-teams {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}
.page-about .about-team {
  padding: 16px 16px 18px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.page-about .about-team:hover {
  border-color: var(--fox);
  transform: translateY(-3px);
}
.page-about .about-team__name {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}
.page-about .about-team__count {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}
.page-about .about-team__count small {
  margin-left: 4px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  color: var(--dim);
}
.page-about .about-team__bar {
  height: 5px;
  margin: 14px 0 12px;
  border-radius: 99px;
  background: var(--ink-700);
  overflow: hidden;
}
.page-about .about-team__bar > span {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: var(--fox);
}
.page-about .about-team:nth-child(1) .about-team__bar > span {
  width: 47%;
}
.page-about .about-team:nth-child(2) .about-team__bar > span {
  width: 27%;
  background: var(--cyan);
}
.page-about .about-team:nth-child(3) .about-team__bar > span {
  width: 27%;
  background: var(--violet);
}
.page-about .about-team__duty {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--mid);
  opacity: 0.78;
  transition: opacity 0.2s ease;
}
.page-about .about-team:hover .about-team__duty {
  opacity: 1;
}
.page-about .about-cadence {
  display: grid;
  gap: 1px;
  margin-top: 18px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-about .about-cadence > div {
  padding: 14px 16px;
  background: var(--ink-700);
}
.page-about .about-cadence b {
  display: block;
  margin-bottom: 6px;
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}
.page-about .about-cadence span {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--dim);
}

/* 05 流程 */
.page-about .about-flow {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-about .about-flow__step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 15px 16px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.page-about .about-flow__idx {
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--fox);
  font-variant-numeric: tabular-nums;
}
.page-about .about-flow__step h3 {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}
.page-about .about-flow__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mid);
}
.page-about .about-sample {
  margin-top: 20px;
  padding: 18px 20px;
  background: var(--paper);
  color: var(--ink-900);
  border-left: 4px solid var(--fox);
  border-radius: var(--radius);
}
.page-about .about-sample__k {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-700);
}
.page-about .about-sample__v {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.8;
  color: var(--ink-900);
}

/* 06 本地运营 */
.page-about .about-city {
  margin: 22px 0 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-about .about-city img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  background: var(--ink-700);
}
.page-about .about-city figcaption {
  padding: 10px 14px;
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--dim);
}
.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* 断点 */
@media (min-width: 620px) {
  .page-about .about-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-cadence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-about .about-rules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-about .about-teams {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 800px) {
  .page-about .about-flow__step:nth-child(2) {
    margin-left: 18px;
  }
  .page-about .about-flow__step:nth-child(3) {
    margin-left: 36px;
  }
  .page-about .about-flow__step:nth-child(4) {
    margin-left: 54px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
    gap: 46px;
    padding-block: 30px 46px;
  }
  .page-about .about-hero__media img {
    aspect-ratio: 4 / 5;
  }
  .page-about .about-block {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 36px;
    padding-block: 56px;
  }
  .page-about .about-block__num {
    position: sticky;
    top: 28px;
    align-self: start;
    font-size: 44px;
  }
  .page-about .about-block__body {
    max-width: 60em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-team,
  .page-about .about-team__duty,
  .page-about .about-timeline__node,
  .page-about .crumbs a {
    transition: none;
  }
  .page-about .about-team:hover {
    transform: none;
  }
}
<<<END>>>