.page-about {
  --about-line: rgba(20, 52, 43, 0.14);
  --about-card: #FBF7EC;
  color: var(--ink);
  background: var(--paper);
}

.page-about img {
  max-width: 100%;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding: 28px 0 12px;
}

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

.page-about .about-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 6px 14px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-pill);
  background: rgba(244, 238, 223, 0.7);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--pine);
}

.page-about .about-hero__kicker-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cinnabar);
}

.page-about .about-hero__title {
  margin: 18px 0 0;
  max-width: 640px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink-green);
}

.page-about .about-hero__intro {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--pine);
}

.page-about .about-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  margin: 28px 0 0;
  padding: 0;
}

.page-about .about-hero__stat {
  flex: 1 1 120px;
  border-left: 2px solid var(--gold);
  padding: 2px 0 2px 14px;
}

.page-about .about-hero__stat dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-about .about-hero__stat dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink-green);
}

.page-about .about-hero__media {
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(140deg, var(--gold-soft), var(--pine));
  box-shadow: var(--shadow-lift);
}

.page-about .about-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-about .about-hero__figure {
  margin: 0;
}

/* ---------- 章节通用头 ---------- */
.page-about .about-head {
  max-width: 720px;
  margin-bottom: 34px;
}

.page-about .about-head--narrow {
  max-width: 620px;
}

.page-about .about-head__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--wood);
}

.page-about .about-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(25px, 4.4vw, 38px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink-green);
}

.page-about .about-head__text {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.88;
  color: var(--pine);
}

/* ---------- 章节外壳 ---------- */
.page-about .about-timeline,
.page-about .about-team,
.page-about .about-review,
.page-about .about-milestones,
.page-about .about-next {
  padding: 56px 0;
  border-top: 1px solid var(--about-line);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline__layout {
  display: grid;
  gap: 28px;
}

.page-about .about-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-about .about-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-pill);
  background: var(--about-card);
  font-size: 13.5px;
  color: var(--ink-green);
  text-decoration: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.page-about .about-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--wood);
}

.page-about .about-index__link:hover {
  background: var(--gold-soft);
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-rest), 0 6px 16px rgba(20, 52, 43, 0.12);
}

.page-about .about-index__link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

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

.page-about .about-track::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 18px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(201, 164, 92, 0.16) 100%);
}

.page-about .about-track__item {
  position: relative;
  padding: 0 0 38px 40px;
  scroll-margin-top: 96px;
}

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

.page-about .about-track__dot {
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--gold);
}

.page-about .about-track__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cinnabar);
}

.page-about .about-track__title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink-green);
}

.page-about .about-track__text {
  margin: 10px 0 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--ink);
}

/* ---------- 团队 ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: 30px;
}

.page-about .about-team__roles {
  display: grid;
  gap: 12px;
}

.page-about .about-role {
  padding: 18px 20px;
  border: 1px solid var(--about-line);
  border-left: 3px solid var(--pine);
  border-radius: var(--radius-md);
  background: var(--about-card);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.page-about .about-role:hover,
.page-about .about-role:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
  border-color: var(--gold);
  border-left-color: var(--cinnabar);
}

.page-about .about-role:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-about .about-role__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-about .about-role__title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink-green);
}

.page-about .about-role__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink);
}

.page-about .about-team__figure {
  margin: 0;
}

.page-about .about-team__media {
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(160deg, var(--gold-soft), var(--wood));
}

.page-about .about-team__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- 审校流程 ---------- */
.page-about .about-review__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-about .about-review__step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-md);
  background: var(--about-card);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.page-about .about-review__step:hover,
.page-about .about-review__step:focus-within {
  border-color: var(--gold);
  box-shadow: var(--shadow-rest), 0 6px 18px rgba(20, 52, 43, 0.10);
  transform: translateY(-2px);
}

.page-about .about-review__step-num {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--ink-green);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12.5px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-about .about-review__step-title {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-size: 16.5px;
  color: var(--ink-green);
}

.page-about .about-review__step-text {
  margin: 7px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-about .about-review__rhythm {
  margin-top: 28px;
  display: grid;
  gap: 16px;
}

.page-about .about-review__rhythm > div {
  border-top: 2px solid var(--gold);
  padding-top: 12px;
}

.page-about .about-review__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cinnabar);
}

.page-about .about-review__rhythm-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pine);
}

/* ---------- 版本节点 ---------- */
.page-about .about-milestones__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-milestone {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px dashed var(--about-line);
}

.page-about .about-milestone:first-child {
  border-top: 1px dashed var(--about-line);
}

.page-about .about-milestone__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--wood);
}

.page-about .about-milestone__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.45;
  color: var(--ink-green);
}

.page-about .about-milestone__text {
  margin: 9px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-about .about-milestone__meta {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-milestone__meta li {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(201, 164, 92, 0.2);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--ink-green);
}

/* ---------- 服务地区 ---------- */
.page-about .about-region {
  margin-top: 12px;
  padding: 52px 0;
  background: var(--ink-green);
  color: var(--paper);
}

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

.page-about .about-region__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-about .about-region__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.2vw, 34px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .about-region__text {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(244, 238, 223, 0.86);
}

.page-about .about-region__contact {
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(230, 211, 163, 0.28);
}

.page-about .about-region__row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(230, 211, 163, 0.18);
}

.page-about .about-region__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-about .about-region__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-about .about-region__note {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(230, 211, 163, 0.82);
}

.page-about .about-region__cta {
  margin-top: 24px;
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-green);
}

.page-about .about-region__cta:hover {
  background: var(--gold-soft);
  border-color: var(--gold-soft);
}

.page-about .about-region__figure {
  margin: 0;
}

.page-about .about-region__media {
  aspect-ratio: 10 / 7;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(160deg, var(--pine), var(--ink-green));
  border: 1px solid rgba(230, 211, 163, 0.24);
}

.page-about .about-region__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-about .about-region .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: rgba(230, 211, 163, 0.78);
}

/* ---------- 延伸入口 ---------- */
.page-about .about-next__title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.6vw, 30px);
  line-height: 1.35;
  color: var(--ink-green);
}

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

.page-about .about-next__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 20px;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-md);
  background: var(--about-card);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-green);
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.page-about .about-next__link:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: var(--shadow-lift);
}

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

.page-about .about-next__label {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--wood);
}

.page-about .about-next__arrow {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  color: var(--cinnabar);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 760px) {
  .page-about .about-team__roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-review__rhythm {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-about .about-region__row {
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-about .about-milestone {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 26px;
    padding: 26px 0;
  }

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

@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 40px 0 16px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 48px;
    align-items: center;
  }

  .page-about .about-timeline,
  .page-about .about-team,
  .page-about .about-review,
  .page-about .about-milestones,
  .page-about .about-next {
    padding: 84px 0;
  }

  .page-about .about-region {
    padding: 76px 0;
  }

  .page-about .about-timeline__layout {
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-index {
    position: sticky;
    top: 96px;
    padding-right: 8px;
    border-right: 1px solid var(--about-line);
  }

  .page-about .about-index__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-about .about-index__link {
    width: 100%;
    justify-content: flex-start;
    border-color: transparent;
    background: transparent;
  }

  .page-about .about-index__link:hover {
    background: var(--gold-soft);
    border-color: var(--gold);
  }

  .page-about .about-review__steps {
    display: block;
    column-count: 3;
    column-gap: 26px;
  }

  .page-about .about-review__step {
    break-inside: avoid;
    margin-bottom: 20px;
  }

  .page-about .about-region__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 40px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-index__link,
  .page-about .about-role,
  .page-about .about-review__step,
  .page-about .about-next__link {
    transition: none;
  }

  .page-about .about-index__link:hover,
  .page-about .about-role:hover,
  .page-about .about-role:focus-within,
  .page-about .about-review__step:hover,
  .page-about .about-review__step:focus-within,
  .page-about .about-next__link:hover {
    transform: none;
  }
}
<<<END>>>