.page-about {
  --about-pad-y: 2.75rem;
  --about-rail: 11rem;
  --about-radius: 18px;
  --about-line: rgba(216, 181, 106, 0.24);
  --about-line-soft: rgba(168, 179, 189, 0.16);
  padding-bottom: 3rem;
  color: var(--pearl-100);
  overflow-x: clip;
}

.page-about .bl-section {
  padding: var(--about-pad-y) 0;
}

/* ---------- 顶栏 ---------- */
.page-about .about-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1rem;
  padding: 1.1rem 0 0.4rem;
}

.page-about .about-topbar__mono {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist-400);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding: 1.2rem 0 2.5rem;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.page-about .about-hero__copy h1 {
  margin: 0.5rem 0 1.1rem;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 8vw, 3.5rem);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--pearl-100);
}

.page-about .about-hero__note {
  margin: 1rem 0 1.6rem;
  max-width: 34rem;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--mist-400);
  border-left: 2px solid var(--about-line);
  padding-left: 0.9rem;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-about .about-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--about-line);
  border-radius: var(--about-radius);
  background: linear-gradient(165deg, var(--ink-700), var(--ink-900));
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-about .about-hero__figure .bl-media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-about .about-hero__caption {
  position: absolute;
  left: 0.9rem;
  bottom: 0.9rem;
  padding: 0.3rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--ink-900);
  background: var(--gold-500);
  border-radius: var(--radius-pill);
}

/* ---------- 数据条 ---------- */
.page-about .about-stats {
  background: var(--pearl-100);
  color: var(--ink-900);
  border-top: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
  padding: 1.6rem 0;
}

.page-about .about-stats__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem 1rem;
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding-left: 0.8rem;
  border-left: 2px solid rgba(7, 17, 28, 0.22);
}

.page-about .about-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 5vw, 1.9rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--ink-900);
}

.page-about .about-stat__label {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--ink-600);
}

/* ---------- 品牌由来 ---------- */
.page-about .about-origin {
  position: relative;
}

.page-about .about-origin__grid {
  display: grid;
  gap: 1.5rem;
}

.page-about .about-num {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 3.2rem;
  line-height: 1;
  font-weight: 600;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold-500);
  opacity: 0.75;
}

.page-about .about-origin__aside h2 {
  margin: 0.4rem 0 0;
}

.page-about .about-origin__body p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--pearl-100);
  opacity: 0.9;
}

.page-about .about-quote {
  margin: 1.6rem 0;
  padding: 0.2rem 0 0.2rem 1.1rem;
  border-left: 3px solid var(--gold-500);
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3.6vw, 1.35rem);
  line-height: 1.6;
  color: var(--gold-300);
}

.page-about .about-route {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 1.8rem;
}

.page-about .about-route__path {
  fill: none;
  stroke: var(--gold-500);
  stroke-width: 2;
  stroke-dasharray: 7 9;
  stroke-linecap: round;
}

.page-about .about-route__node circle {
  fill: var(--ink-900);
  stroke: var(--gold-500);
  stroke-width: 2;
}

.page-about .about-route__node text {
  fill: var(--mist-400);
  font-family: var(--font-mono);
  font-size: 14px;
  text-anchor: middle;
}

/* ---------- 时间轴 ---------- */
.page-about .about-axis {
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 55%, var(--ink-900) 100%);
  border-top: 1px solid var(--about-line-soft);
  border-bottom: 1px solid var(--about-line-soft);
}

.page-about .about-timeline {
  display: grid;
  gap: 1.4rem;
  margin-top: 1.8rem;
}

.page-about .about-timeline__index-label {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--mist-400);
  text-transform: uppercase;
}

.page-about .about-timeline__index ul {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.5rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .about-timeline__index a {
  display: inline-block;
  padding: 0.36rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--gold-300);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid var(--about-line);
  border-radius: var(--radius-pill);
  background: rgba(16, 42, 67, 0.55);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-about .about-timeline__index a:hover,
.page-about .about-timeline__index a:focus-visible {
  color: var(--ink-900);
  background: var(--gold-500);
  border-color: var(--gold-500);
  outline: 2px solid var(--gold-300);
  outline-offset: 2px;
}

.page-about .about-timeline__list {
  display: grid;
  gap: 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: mile;
}

.page-about .about-milestone {
  display: grid;
  gap: 0.6rem;
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.page-about .about-milestone__meta {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.page-about .about-milestone__year {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--gold-500);
  transition: color 0.2s ease, transform 0.2s ease;
}

.page-about .about-milestone__ver {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--mist-400);
  border: 1px solid var(--about-line-soft);
  border-radius: var(--radius-pill);
  padding: 0.1rem 0.55rem;
}

.page-about .about-milestone__card {
  padding: 1.15rem 1.15rem 1.25rem;
  border: 1px solid var(--about-line);
  border-radius: var(--about-radius);
  background: linear-gradient(170deg, rgba(16, 42, 67, 0.96), rgba(11, 27, 43, 0.96));
  box-shadow: 0 18px 36px -30px rgba(0, 0, 0, 0.95);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.page-about .about-milestone__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  line-height: 1.5;
  color: var(--pearl-100);
}

.page-about .about-milestone__card p {
  margin: 0 0 0.85rem;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--mist-400);
}

.page-about .about-milestone:hover .about-milestone__card,
.page-about .about-milestone:focus-within .about-milestone__card {
  border-color: var(--gold-500);
  box-shadow: var(--shadow-hard);
  transform: translateY(-2px);
}

.page-about .about-milestone:hover .about-milestone__year,
.page-about .about-milestone:focus-within .about-milestone__year {
  color: var(--gold-300);
  transform: translateX(3px);
}

.page-about .about-cabinet {
  position: relative;
  margin: 2rem 0 0;
  border: 1px solid var(--about-line);
  border-radius: var(--about-radius);
  overflow: hidden;
  background: var(--ink-700);
  box-shadow: var(--shadow-hard);
}

.page-about .about-cabinet .bl-media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-about .about-cabinet .bl-media__caption {
  display: block;
  padding: 0.7rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--gold-300);
  background: rgba(7, 17, 28, 0.85);
  border-top: 1px solid var(--about-line-soft);
}

/* ---------- 团队 ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: 1.8rem;
  align-items: start;
}

.page-about .about-facts {
  margin: 1.4rem 0 1.6rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.page-about .about-facts li {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--about-line-soft);
  border-left: 3px solid var(--gold-500);
  border-radius: 0 var(--radius-soft) var(--radius-soft) 0;
  background: rgba(16, 42, 67, 0.55);
}

.page-about .about-facts__key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--gold-300);
}

.page-about .about-facts__val {
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--pearl-100);
  opacity: 0.9;
}

.page-about .about-team__link {
  align-self: flex-start;
}

.page-about .about-team__figure {
  margin: 0;
  border: 1px solid var(--about-line);
  border-radius: var(--about-radius);
  overflow: hidden;
  background: var(--ink-700);
  box-shadow: var(--shadow-hard);
}

.page-about .about-team__figure .bl-media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .about-team__figure .bl-media__caption {
  display: block;
  padding: 0.65rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--mist-400);
  border-top: 1px solid var(--about-line-soft);
}

/* ---------- 安全 ---------- */
.page-about .about-security {
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-security__grid {
  margin-top: 1.6rem;
}

.page-about .about-shield {
  position: relative;
  padding: 1.25rem 1.15rem 1.3rem;
  border: 1px solid var(--about-line);
  border-radius: var(--about-radius);
  background: rgba(7, 17, 28, 0.72);
  box-shadow: 0 20px 40px -34px rgba(0, 0, 0, 0.95);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-about .about-shield:hover {
  border-color: var(--gold-500);
  transform: translateY(-2px);
}

.page-about .about-shield__idx {
  display: inline-block;
  margin-bottom: 0.7rem;
  width: 1.9rem;
  height: 1.9rem;
  line-height: 1.9rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-900);
  background: var(--gold-500);
  border-radius: 6px;
}

.page-about .about-shield h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  line-height: 1.5;
  color: var(--pearl-100);
}

.page-about .about-shield p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--mist-400);
}

/* ---------- 合作与荣誉 ---------- */
.page-about .about-eco__grid {
  margin-top: 1.6rem;
}

.page-about .about-honor {
  position: relative;
  padding: 1.3rem 1.15rem 1.35rem;
  border: 1px solid var(--about-line);
  border-radius: var(--about-radius);
  background: linear-gradient(165deg, rgba(22, 58, 90, 0.7), rgba(11, 27, 43, 0.95));
  box-shadow: 0 22px 44px -36px rgba(0, 0, 0, 0.95);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.page-about .about-honor:hover,
.page-about .about-honor:focus-visible,
.page-about .about-honor:focus-within {
  border-color: var(--gold-500);
  box-shadow: var(--shadow-hard);
  transform: translateY(-3px);
  outline: none;
}

.page-about .about-honor:focus-visible {
  outline: 2px solid var(--gold-300);
  outline-offset: 3px;
}

.page-about .about-honor__tag {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.2rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--gold-300);
  border: 1px solid var(--about-line);
  border-radius: var(--radius-pill);
}

.page-about .about-honor__title {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.14rem;
  line-height: 1.5;
  color: var(--pearl-100);
}

.page-about .about-honor p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--mist-400);
}

.page-about .about-honor__meta {
  margin-top: 0.9rem;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--about-line-soft);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--steel-500);
  transition: color 0.2s ease;
}

.page-about .about-honor:hover .about-honor__meta,
.page-about .about-honor:focus-visible .about-honor__meta {
  color: var(--gold-300);
}

/* ---------- 改版记录 ---------- */
.page-about .about-log {
  background: linear-gradient(180deg, var(--ink-900), var(--ink-800));
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-log__grid {
  display: grid;
  gap: 1.8rem;
  align-items: start;
}

.page-about .about-log__link {
  margin-top: 0.4rem;
}

.page-about .about-log__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.page-about .about-log__item {
  display: grid;
  gap: 0.5rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--about-line-soft);
  border-radius: var(--radius-soft);
  background: rgba(16, 42, 67, 0.6);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-about .about-log__item:hover,
.page-about .about-log__item:focus-within {
  border-color: var(--gold-500);
  background: rgba(22, 58, 90, 0.85);
}

.page-about .about-log__ver {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--gold-500);
}

.page-about .about-log__body h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--pearl-100);
}

.page-about .about-log__body p {
  margin: 0;
  font-size: 0.91rem;
  line-height: 1.72;
  color: var(--mist-400);
}

.page-about .about-log__item .bl-tag {
  justify-self: start;
}

/* ---------- 收尾 ---------- */
.page-about .about-cta {
  padding: 2.6rem 0 3rem;
}

.page-about .about-cta__inner {
  display: grid;
  gap: 1.4rem;
  padding: 1.6rem 1.2rem;
  border: 1px solid var(--gold-500);
  border-radius: var(--about-radius);
  background:
    radial-gradient(circle at 92% 8%, rgba(233, 119, 74, 0.16), transparent 55%),
    linear-gradient(150deg, rgba(22, 58, 90, 0.9), rgba(7, 17, 28, 0.96));
  box-shadow: var(--shadow-hard);
}

.page-about .about-cta__mono {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--coral-500);
}

.page-about .about-cta__copy h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4.6vw, 1.85rem);
  line-height: 1.4;
  color: var(--pearl-100);
}

.page-about .about-cta__copy p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--mist-400);
}

.page-about .about-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

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

  .page-about .about-milestone {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    gap: 1.2rem;
    align-items: start;
  }

  .page-about .about-milestone__meta {
    flex-direction: column;
    gap: 0.35rem;
    padding-top: 0.35rem;
  }

  .page-about .about-log__item {
    grid-template-columns: 4.5rem minmax(0, 1fr);
    align-items: start;
    gap: 0.35rem 1rem;
  }

  .page-about .about-log__item .bl-tag {
    grid-column: 2;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-about {
    --about-pad-y: 4rem;
  }

  .page-about .about-hero {
    padding: 1.6rem 0 3.5rem;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 3.2rem;
    align-items: center;
  }

  .page-about .about-hero__figure .bl-media__img {
    aspect-ratio: 3 / 4.2;
  }

  .page-about .about-stats {
    padding: 2rem 0;
  }

  .page-about .about-origin__grid {
    grid-template-columns: 15rem minmax(0, 1fr);
    gap: 3rem;
  }

  .page-about .about-origin__aside {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    align-self: start;
  }

  .page-about .about-origin__body .bl-prose,
  .page-about .about-origin__body {
    max-width: 46rem;
  }

  .page-about .about-timeline {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-about .about-timeline__index {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    padding-right: 1rem;
    border-right: 1px solid var(--about-line-soft);
  }

  .page-about .about-timeline__index ul {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-timeline__index a {
    width: 100%;
    text-align: left;
  }

  .page-about .about-milestone {
    grid-template-columns: 7rem minmax(0, 1fr);
    gap: 1.6rem;
  }

  .page-about .about-milestone__year {
    font-size: 1.5rem;
  }

  .page-about .about-cabinet .bl-media__img {
    aspect-ratio: 21 / 9;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 3rem;
    align-items: center;
  }

  .page-about .about-team__figure .bl-media__img {
    aspect-ratio: 4 / 3;
  }

  .page-about .about-log__grid {
    grid-template-columns: 18rem minmax(0, 1fr);
    gap: 3rem;
  }

  .page-about .about-log__aside {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    align-self: start;
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: center;
    gap: 2rem;
    padding: 2.2rem 2.2rem;
  }

  .page-about .about-cta__links {
    justify-content: flex-end;
  }
}

@media (min-width: 1120px) {
  .page-about .about-hero__copy h1 {
    font-size: 3.6rem;
  }

  .page-about .about-milestone__card {
    padding: 1.4rem 1.6rem 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-milestone__card,
  .page-about .about-milestone__year,
  .page-about .about-shield,
  .page-about .about-honor,
  .page-about .about-log__item {
    transition: none;
  }

  .page-about .about-milestone:hover .about-milestone__card,
  .page-about .about-honor:hover,
  .page-about .about-shield:hover {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>