.page-about {
  --about-measure: 34em;
  color: var(--ink);
  background-color: var(--ivory);
}

.page-about .breadcrumb {
  padding-block: 16px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 4px 0 52px;
  background-image: linear-gradient(170deg, var(--ivory) 0%, var(--ivory) 64%, var(--cream) 64%, var(--cream) 100%);
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}

.page-about .about-hero::after {
  content: "";
  display: none;
  position: absolute;
  z-index: 0;
  top: -80px;
  right: -110px;
  width: 320px;
  height: 320px;
  background: var(--green-900);
  border-radius: 72px 20px 72px 20px;
  transform: rotate(14deg);
  opacity: 0.92;
}

.page-about .about-hero__rule {
  display: block;
  width: 56px;
  height: 6px;
  margin-bottom: 18px;
  background: var(--red-600);
  border-radius: 3px;
}

.page-about .about-hero h1 {
  max-width: 16em;
  margin: 10px 0 18px;
  font-size: clamp(29px, 7vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-about .about-hero .lede {
  max-width: 32em;
  font-size: clamp(16px, 2.2vw, 19px);
  line-height: 1.75;
  color: var(--ink);
}

.page-about .about-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-about .about-index a {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid rgba(30, 58, 49, 0.22);
  border-radius: var(--r-chip);
  background: rgba(255, 255, 255, 0.55);
  color: var(--green-900);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-about .about-index a:hover,
.page-about .about-index a:focus-visible {
  border-color: var(--red-600);
  background: var(--ivory);
}

/* ---------- 通用图与标题 ---------- */
.page-about .about-figure {
  margin: 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-card);
  object-fit: cover;
  box-shadow: var(--shadow-soft);
}

.page-about .about-figure .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey);
}

.page-about .about-head {
  max-width: 40em;
  margin-bottom: 32px;
}

.page-about .about-head h2 {
  margin: 0 0 12px;
}

.page-about .about-head .lede {
  margin: 0;
  color: var(--green-600);
  font-size: 16px;
  line-height: 1.75;
}

.page-about .about-sub {
  margin: 34px 0 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--green-900);
}

.page-about .about-sub::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 18px;
  margin-right: 10px;
  vertical-align: -2px;
  background: var(--red-600);
  border-radius: 2px;
}

/* ---------- 品牌自述 ---------- */
.page-about .about-story {
  padding: 44px 0 40px;
}

.page-about .about-story__grid {
  display: grid;
  gap: 28px;
}

.page-about .about-story__text {
  max-width: var(--about-measure);
  font-size: clamp(17px, 2.1vw, 20px);
  line-height: 1.7;
}

.page-about .about-story__text h2 {
  margin: 0 0 20px;
  font-size: clamp(25px, 4.6vw, 40px);
  line-height: 1.25;
}

.page-about .about-story__text p {
  margin: 0 0 1em;
}

.page-about .about-story__text p:first-of-type::first-letter {
  float: left;
  margin: 6px 10px 0 0;
  font-family: var(--font-display);
  font-size: 46px;
  font-weight: 900;
  line-height: 0.9;
  color: var(--red-600);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline {
  padding: 52px 0 48px;
  background: var(--cream);
  border-radius: 40px 40px 0 0;
}

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

.page-about .timeline__item {
  position: relative;
  padding: 0 0 34px 34px;
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: -6px;
  width: 2px;
  background: linear-gradient(180deg, var(--green-600) 0%, rgba(47, 93, 76, 0.12) 100%);
}

.page-about .timeline__item:last-child::before {
  display: none;
}

.page-about .timeline__dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green-900);
  box-shadow: 0 0 0 5px rgba(47, 93, 76, 0.14);
}

.page-about .timeline__year {
  margin-bottom: 6px;
}

.page-about .timeline__year b {
  display: inline-block;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--amber);
  color: var(--green-900);
  font-size: 16px;
  letter-spacing: 0.06em;
}

.page-about .timeline__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}

.page-about .timeline__body > p {
  max-width: 34em;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-about .timeline__more {
  margin-top: 10px;
  border-left: 2px solid rgba(47, 93, 76, 0.35);
  padding-left: 12px;
}

.page-about .timeline__more summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--green-600);
}

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

.page-about .timeline__more summary::after {
  content: " +";
}

.page-about .timeline__more[open] summary::after {
  content: " −";
}

.page-about .timeline__more p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--grey);
}

.page-about .timeline__figure {
  max-width: 560px;
  margin-top: 12px;
}

/* ---------- 房间与段位 ---------- */
.page-about .about-rooms {
  padding: 52px 0 48px;
}

.page-about .about-split {
  display: grid;
  gap: 32px;
}

.page-about .about-split__main .lede {
  max-width: 34em;
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--green-600);
}

.page-about .room-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .room-list__item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(30, 58, 49, 0.14);
  border-radius: var(--r-card);
}

.page-about .room-list__no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--red-600);
}

.page-about .room-list__name {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}

.page-about .room-list__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--grey);
}

.page-about .rank-ladder {
  margin-top: 36px;
  padding: 26px 20px 30px;
  background: var(--green-900);
  border-radius: var(--r-card);
  color: var(--ivory);
}

.page-about .rank-ladder__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--ivory);
}

.page-about .rank-ladder__note {
  max-width: 40em;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(246, 241, 230, 0.82);
}

.page-about .rank-ladder__track {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 12px;
  margin: 26px 0 0;
  padding: 0;
}

.page-about .rank-ladder__item {
  position: relative;
  padding-top: 18px;
  border-top: 1px solid rgba(246, 241, 230, 0.26);
}

.page-about .rank-ladder__item::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(201, 144, 43, 0.24);
}

.page-about .rank-ladder__no {
  display: block;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-about .rank-ladder__name {
  display: block;
  margin-top: 2px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  color: var(--ivory);
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  padding: 52px 0 48px;
  background: var(--green-900);
  color: var(--ivory);
}

.page-about .about-team__grid {
  display: grid;
  gap: 32px;
}

.page-about .about-team__intro h2 {
  margin: 0 0 14px;
  color: var(--ivory);
}

.page-about .about-team__intro p {
  max-width: 30em;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(246, 241, 230, 0.82);
}

.page-about .desk-card {
  border-bottom: 1px solid rgba(246, 241, 230, 0.18);
}

.page-about .desk-card:first-child {
  border-top: 1px solid rgba(246, 241, 230, 0.18);
}

.page-about .desk-card__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}

.page-about .desk-card__head::-webkit-details-marker {
  display: none;
}

.page-about .desk-card__head::after {
  content: "+";
  flex: none;
  width: 20px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--amber);
  transition: transform 200ms var(--ease);
}

.page-about .desk-card[open] .desk-card__head::after {
  content: "−";
}

.page-about .desk-card__no {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-about .desk-card__name {
  flex: 1;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--ivory);
}

.page-about .desk-card__body {
  margin: 0;
  padding: 0 0 16px 34px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(246, 241, 230, 0.8);
}

/* ---------- 服务范围与联络 ---------- */
.page-about .about-reach {
  padding: 52px 0 44px;
  background: var(--ivory);
}

.page-about .reach-band {
  display: grid;
  gap: 1px;
  background: rgba(30, 58, 49, 0.16);
  border-radius: var(--r-card);
  overflow: hidden;
}

.page-about .reach-band__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 16px 18px;
  background: var(--cream);
}

.page-about .reach-band__key {
  flex: none;
  min-width: 74px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--green-600);
}

.page-about .reach-band__val {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

/* ---------- 下一步 ---------- */
.page-about .about-next {
  padding: 44px 0 56px;
  background: var(--cream);
}

.page-about .about-next__inner {
  display: grid;
  gap: 24px;
}

.page-about .about-next h2 {
  margin: 0 0 12px;
}

.page-about .about-next p {
  max-width: 36em;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--green-600);
}

.page-about .about-next__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-about .about-next__aside-link {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--green-900);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  padding-bottom: 2px;
}

.page-about .about-next__aside-link:hover,
.page-about .about-next__aside-link:focus-visible {
  color: var(--red-600);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .reach-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-bottom: 72px;
  }

  .page-about .about-hero::after {
    display: block;
  }

  .page-about .about-story {
    padding: 64px 0 56px;
  }

  .page-about .about-story__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    align-items: start;
    column-gap: 48px;
  }

  .page-about .about-story__figure {
    margin-top: 26px;
    margin-right: -32px;
  }

  .page-about .about-timeline {
    padding: 64px 0 56px;
    border-radius: 56px 56px 0 0;
  }

  .page-about .timeline__item {
    display: grid;
    grid-template-columns: 104px minmax(0, 1fr);
    column-gap: 44px;
    padding-left: 0;
    padding-bottom: 46px;
  }

  .page-about .timeline__item::before {
    left: 125px;
    top: 16px;
    bottom: -8px;
  }

  .page-about .timeline__dot {
    left: 120px;
    top: 8px;
  }

  .page-about .timeline__year {
    text-align: right;
    margin-bottom: 0;
    padding-top: 2px;
  }

  .page-about .timeline__figure {
    margin-left: auto;
    margin-right: -28px;
    margin-top: -8px;
  }

  .page-about .about-rooms {
    padding: 64px 0 56px;
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    column-gap: 48px;
    align-items: start;
  }

  .page-about .about-split__aside {
    position: sticky;
    top: 96px;
  }

  .page-about .rank-ladder {
    padding: 32px 28px 36px;
  }

  .page-about .rank-ladder__track {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 14px;
  }

  .page-about .about-team {
    padding: 64px 0 60px;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    column-gap: 56px;
    align-items: start;
  }

  .page-about .about-reach {
    padding: 60px 0 52px;
  }

  .page-about .about-next__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    column-gap: 40px;
  }

  .page-about .about-next__links {
    justify-content: flex-end;
    max-width: 340px;
  }
}

@media (min-width: 1100px) {
  .page-about .about-hero::after {
    width: 360px;
    height: 360px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about .about-index a,
  .page-about .desk-card__head::after {
    transition: none;
  }
}
<<<END>>>