.page-about {
  --about-gap: clamp(16px, 2.4vw, 28px);
  --about-line: 1px solid var(--line-soft);
  --about-card-bg: rgba(15, 46, 36, 0.72);
  padding-bottom: clamp(36px, 6vw, 80px);
  color: var(--paper);
}

.page-about .about-top {
  padding-top: clamp(14px, 3vw, 30px);
  padding-bottom: clamp(10px, 2vw, 18px);
}

.page-about .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-about .breadcrumbs__list li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--teal);
}

.page-about .breadcrumbs__list a {
  color: var(--cyan);
  text-decoration: none;
}

.page-about .breadcrumbs__list a:hover,
.page-about .breadcrumbs__list a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Hero ---------- */
.page-about .about-hero {
  display: grid;
  gap: clamp(22px, 4vw, 46px);
  padding-block: clamp(12px, 2.4vw, 26px) clamp(30px, 5vw, 58px);
}

.page-about .about-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 8vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.page-about .about-hero__lede {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(244, 240, 230, 0.86);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-about .about-hero__marks {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: clamp(14px, 2vw, 18px) 0 0;
  list-style: none;
  border-top: var(--about-line);
}

.page-about .about-hero__marks li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-about .about-hero__num {
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-about .about-hero__cap {
  font-size: 12px;
  line-height: 1.5;
  color: var(--mist);
}

.page-about .about-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--cabinet);
  box-shadow: var(--shadow-card);
}

.page-about .about-hero__figure::after {
  content: "";
  position: absolute;
  inset: auto -10% -34% -10%;
  height: 46%;
  background: linear-gradient(180deg, rgba(53, 242, 214, 0.22), transparent 70%);
  pointer-events: none;
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.05);
}

.page-about .about-hero__figure .media__caption {
  position: relative;
  z-index: 1;
  display: block;
  padding: 12px 18px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
  border-top: var(--about-line);
}

/* ---------- 页内索引 ---------- */
.page-about .about-index {
  position: sticky;
  top: 0;
  z-index: 3;
  background: linear-gradient(180deg, var(--ink) 68%, rgba(7, 26, 20, 0.86));
  border-block: var(--about-line);
  backdrop-filter: blur(6px);
}

.page-about .about-index__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-block: 10px;
  overflow: hidden;
}

.page-about .about-index__label {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-about .about-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 2px 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .about-index__list::-webkit-scrollbar {
  display: none;
}

.page-about .about-index__list a {
  display: inline-block;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-soft);
  font-size: 13px;
  white-space: nowrap;
  color: var(--paper);
  text-decoration: none;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(53, 242, 214, 0.08);
}

/* ---------- 通用区块 ---------- */
.page-about .about-section {
  padding-block: clamp(38px, 6vw, 78px);
}

.page-about .about-section--band {
  background: var(--cabinet);
  border-block: var(--about-line);
  margin-block: clamp(10px, 2vw, 22px);
}

.page-about .about-section--close {
  padding-bottom: clamp(46px, 7vw, 90px);
}

/* ---------- 起点 ---------- */
.page-about .about-story {
  display: grid;
  gap: clamp(18px, 3vw, 40px);
}

.page-about .about-story__title {
  margin: 10px 0 0;
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  line-height: 1.28;
  color: var(--paper);
  text-wrap: balance;
}

.page-about .about-story__body p {
  margin: 0 0 1.05em;
  max-width: 66ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(244, 240, 230, 0.86);
}

.page-about .about-quote {
  position: relative;
  margin: clamp(20px, 3vw, 30px) 0;
  padding: 4px 0 4px clamp(16px, 2.4vw, 24px);
  border-left: 3px solid var(--orange);
}

.page-about .about-quote p {
  margin: 0;
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  line-height: 1.7;
  color: var(--paper);
  max-width: 40ch;
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline {
  display: grid;
  gap: clamp(24px, 4vw, 54px);
}

.page-about .about-timeline__title {
  margin: 10px 0 0;
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  line-height: 1.26;
  text-wrap: balance;
}

.page-about .about-timeline__note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-timeline__figure {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-about .about-timeline__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  filter: saturate(0.6) brightness(0.9);
}

.page-about .about-timeline__figure .media__caption {
  display: block;
  padding: 8px 14px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mist);
}

.page-about .about-timeline__list {
  margin: 0;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: clamp(22px, 3.4vw, 34px);
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 242, 214, 0.14);
}

.page-about .about-timeline__year {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-about .about-timeline__name {
  margin: 4px 0 6px;
  font-family: var(--font-body);
  font-size: clamp(16px, 2vw, 18px);
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-timeline__item p {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(244, 240, 230, 0.78);
}

/* ---------- 对阵档案 ---------- */
.page-about .about-archive__title {
  margin: 10px 0 0;
  font-size: clamp(1.7rem, 5.6vw, 2.9rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-about .about-archive__lede {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(244, 240, 230, 0.82);
}

.page-about .about-archive__grid {
  display: grid;
  gap: var(--about-gap);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-about .about-layer {
  position: relative;
  padding: clamp(18px, 2.6vw, 24px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  background: var(--about-card-bg);
  transition: transform 200ms ease, border-color 200ms ease;
}

.page-about .about-layer:hover,
.page-about .about-layer:focus-within {
  transform: translateY(-3px);
  border-color: var(--cyan);
}

.page-about .about-layer__num {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--teal);
}

.page-about .about-layer .card__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-layer p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--mist);
}

/* ---------- 三次复核 ---------- */
.page-about .about-review__title {
  margin: 10px 0 0;
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  line-height: 1.28;
  text-wrap: balance;
}

.page-about .about-review__lede {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(244, 240, 230, 0.84);
}

.page-about .about-review__steps {
  display: grid;
  gap: var(--about-gap);
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-step {
  padding: clamp(16px, 2.4vw, 22px);
  border-radius: var(--r-lg);
  background: rgba(7, 26, 20, 0.55);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--orange);
}

.page-about .about-step__num {
  display: block;
  font-size: 26px;
  font-weight: 600;
  line-height: 1;
  color: rgba(53, 242, 214, 0.5);
}

.page-about .about-step__name {
  margin: 8px 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--mist);
}

.page-about .about-review__tags {
  margin-top: clamp(22px, 3.4vw, 34px);
  padding: clamp(16px, 2.4vw, 22px);
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--ink);
}

.page-about .about-review__tags-title {
  margin: 0 0 12px;
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
}

.page-about .about-review__tag-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.7;
}

.page-about .about-review__tag-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  color: #133028;
}

.page-about .about-review__tag-list .tag {
  flex: none;
  align-self: center;
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  display: grid;
  gap: clamp(20px, 3.4vw, 48px);
  align-items: start;
}

.page-about .about-team__media {
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-about .about-team__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.78);
}

.page-about .about-team__title {
  margin: 10px 0 14px;
  font-size: clamp(1.6rem, 4.6vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-about .about-team__body > p {
  margin: 0 0 1em;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(244, 240, 230, 0.84);
}

.page-about .about-team__list {
  display: grid;
  gap: 10px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
}

.page-about .about-team__list li {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  background: rgba(15, 46, 36, 0.5);
}

.page-about .about-team__key {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-about .about-team__source {
  padding-left: 14px;
  border-left: 2px solid var(--teal);
  font-size: 14.5px !important;
  color: var(--mist) !important;
}

/* ---------- 服务范围 ---------- */
.page-about .about-reach__title {
  margin: 10px 0 0;
  font-size: clamp(1.7rem, 5.4vw, 2.7rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-about .about-reach__lede {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(244, 240, 230, 0.84);
}

.page-about .about-reach__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--about-gap);
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: clamp(14px, 2.2vw, 20px);
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--ink);
  border: 1px solid transparent;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.page-about .about-stat:hover,
.page-about .about-stat:focus-within {
  transform: translateY(-3px);
  box-shadow: 0 18px 34px -26px rgba(0, 0, 0, 0.9);
}

.page-about .about-stat__num {
  font-size: clamp(22px, 3.6vw, 30px);
  font-weight: 600;
  line-height: 1.1;
  color: var(--teal);
  letter-spacing: -0.02em;
}

.page-about .about-stat__label {
  font-size: 13.5px;
  font-weight: 600;
  color: #123028;
}

.page-about .about-stat__extra {
  font-size: 12.5px;
  line-height: 1.6;
  color: #4a655c;
  opacity: 0.78;
  transition: opacity 200ms ease;
}

.page-about .about-stat:hover .about-stat__extra,
.page-about .about-stat:focus-within .about-stat__extra {
  opacity: 1;
  color: #23443a;
}

.page-about .about-reach__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3.4vw, 34px);
  padding-top: clamp(18px, 3vw, 26px);
  border-top: var(--about-line);
}

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

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

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

  .page-about .about-review__tag-list li {
    flex-wrap: nowrap;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-about .about-hero__figure {
    margin-top: 6px;
  }

  .page-about .about-story {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-about .about-story__head {
    position: sticky;
    top: 84px;
  }

  .page-about .about-timeline {
    grid-template-columns: minmax(230px, 0.78fr) minmax(0, 1.42fr);
    align-items: start;
  }

  .page-about .about-timeline__aside {
    position: sticky;
    top: 84px;
  }

  .page-about .about-timeline__list {
    padding-left: 26px;
  }

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

  .page-about .about-team {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: center;
  }

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

  .page-about .about-team__list li {
    grid-template-columns: 92px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-layer,
  .page-about .about-stat,
  .page-about .about-stat__extra {
    transition: none;
  }

  .page-about .about-layer:hover,
  .page-about .about-stat:hover {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>