.page-about {
  --about-line: rgba(243, 247, 248, 0.13);
  --about-panel-soft: rgba(14, 21, 29, 0.72);
  --about-glow: rgba(36, 245, 210, 0.16);
  background: var(--void);
  color: var(--ink);
  overflow-x: hidden;
}

.page-about img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-about .cmd-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(1.1rem, 3vw, 2rem) 0 clamp(2.4rem, 6vw, 4.6rem);
  background:
    radial-gradient(95% 80% at 88% -18%, var(--about-glow), transparent 62%),
    radial-gradient(70% 65% at -5% 115%, rgba(255, 122, 26, 0.1), transparent 66%),
    linear-gradient(180deg, var(--void-deep) 0%, var(--void) 72%);
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.5;
}

.page-about .about-hero .cmd-breadcrumb {
  margin-bottom: clamp(1.4rem, 4vw, 2.6rem);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-about .about-hero__title {
  margin: 0.7rem 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.4vw, 4.3rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.page-about .about-hero__title span {
  color: var(--cyan);
}

.page-about .about-hero__lead {
  max-width: 46ch;
  color: var(--ink-soft);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: clamp(1.1rem, 3vw, 1.8rem);
}

.page-about .about-hero__aside {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-self: start;
  border: 1px solid var(--about-line);
  border-left: 2px solid var(--cyan);
  background: var(--about-panel-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-about .about-hero__stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-hero__stat:last-child {
  border-bottom: 0;
}

.page-about .about-hero__value {
  font-family: var(--font-num);
  font-weight: 900;
  font-size: clamp(1.4rem, 4.4vw, 2.05rem);
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-about .about-hero__label {
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--stone);
  letter-spacing: 0.04em;
  text-align: right;
}

/* ---------- 通用章节 ---------- */
.page-about .cmd-section {
  padding: clamp(2.4rem, 6vw, 5rem) 0;
}

.page-about .about-origin {
  background: linear-gradient(180deg, var(--void) 0%, var(--void-deep) 100%);
}

.page-about .about-reach {
  background:
    radial-gradient(60% 70% at 100% 0%, rgba(111, 143, 94, 0.14), transparent 62%),
    var(--void-deep);
  border-top: 1px solid var(--about-line);
}

.page-about .about-versions {
  background:
    radial-gradient(70% 60% at 0% 10%, rgba(77, 141, 255, 0.1), transparent 62%),
    var(--void);
  border-top: 1px solid var(--about-line);
}

.page-about .about-team {
  background: var(--void-deep);
  border-top: 1px solid var(--about-line);
}

.page-about .about-values {
  background:
    radial-gradient(80% 60% at 100% 100%, rgba(201, 120, 90, 0.1), transparent 60%),
    var(--void);
  border-top: 1px solid var(--about-line);
}

/* ---------- 品牌起点 ---------- */
.page-about .about-origin__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-about .about-origin__text p {
  max-width: 60ch;
  color: var(--ink-soft);
}

.page-about .about-origin__text .cmd-h2 {
  margin: 0.6rem 0 1rem;
}

.page-about .about-origin__list {
  margin: clamp(1.1rem, 3vw, 1.6rem) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.page-about .about-origin__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--stone);
}

.page-about .about-origin__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.5rem;
  height: 2px;
  background: var(--cyan);
}

.page-about .about-origin__list strong {
  color: var(--ink);
  font-weight: 700;
}

.page-about .about-origin__media {
  border: 1px solid var(--about-line);
  background: var(--panel);
}

/* ---------- 视野与服务 ---------- */
.page-about .about-reach__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 1.6rem);
  margin-top: clamp(1.4rem, 4vw, 2.2rem);
}

.page-about .about-reach__panel {
  padding: clamp(1.2rem, 3.4vw, 2rem);
  background: var(--about-panel-soft);
  border: 1px solid var(--about-line);
}

.page-about .about-reach__panel p {
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-about .about-reach__panel--local {
  background: linear-gradient(150deg, rgba(111, 143, 94, 0.16), var(--about-panel-soft) 65%);
}

.page-about .about-reach__tag {
  display: inline-block;
  margin: 0 0 0.85rem;
  padding: 0.22rem 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--void);
  background: var(--cyan);
}

.page-about .about-reach__tag--moss {
  background: var(--moss);
  color: var(--ink);
}

.page-about .about-reach__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3vw, 1.45rem);
  font-weight: 800;
  line-height: 1.28;
  color: var(--ink);
}

.page-about .about-reach__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-reach__chips li {
  padding: 0.3rem 0.65rem;
  font-size: 0.78rem;
  color: var(--stone);
  border: 1px solid var(--line-strong);
  letter-spacing: 0.04em;
}

.page-about .about-reach__note {
  margin: clamp(1.2rem, 3vw, 1.8rem) 0 0;
  max-width: 72ch;
  padding-left: 1rem;
  border-left: 2px solid var(--data);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 版本时间轴 ---------- */
.page-about .about-versions__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.8rem);
  margin-top: clamp(1.4rem, 4vw, 2.2rem);
}

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

.page-about .about-ver {
  position: relative;
  padding: 1.05rem 0 1.05rem 1.5rem;
  border-left: 1px solid var(--line-strong);
}

.page-about .about-ver:last-child {
  border-left-color: transparent;
}

.page-about .about-ver::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 1.5rem;
  width: 9px;
  height: 9px;
  transform: rotate(45deg);
  background: var(--stone);
}

.page-about .about-ver--moss::before {
  background: var(--moss);
}

.page-about .about-ver--cyan::before {
  background: var(--cyan);
}

.page-about .about-ver--clay::before {
  background: var(--clay);
}

.page-about .about-ver--track::before {
  background: var(--track);
}

.page-about .about-ver__tag {
  margin: 0 0 0.4rem;
  font-family: var(--font-num);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-about .about-ver--moss .about-ver__tag {
  color: var(--moss);
}

.page-about .about-ver--clay .about-ver__tag {
  color: var(--clay);
}

.page-about .about-ver--track .about-ver__tag {
  color: var(--track);
}

.page-about .about-ver__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.8vw, 1.3rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
}

.page-about .about-ver__desc {
  margin: 0;
  max-width: 62ch;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-about .about-ver__hint {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--stone);
  letter-spacing: 0.02em;
  transition: opacity 0.3s var(--ease), max-height 0.3s var(--ease);
}

.page-about .about-versions__media {
  border: 1px solid var(--about-line);
  background: var(--panel);
}

/* ---------- 团队 ---------- */
.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 2.4rem);
  margin-top: clamp(1.4rem, 4vw, 2.2rem);
  align-items: start;
}

.page-about .about-team__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--about-line);
  border: 1px solid var(--about-line);
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: clamp(0.9rem, 2.5vw, 1.3rem);
  background: var(--void-deep);
  border-top: 2px solid var(--stone);
}

.page-about .about-stat--total {
  border-top-color: var(--ink);
}

.page-about .about-stat--cyan {
  border-top-color: var(--cyan);
}

.page-about .about-stat--moss {
  border-top-color: var(--moss);
}

.page-about .about-stat--clay {
  border-top-color: var(--clay);
}

.page-about .about-stat__value {
  font-family: var(--font-num);
  font-weight: 900;
  font-size: clamp(2.1rem, 8vw, 3.4rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.page-about .about-stat--cyan .about-stat__value {
  color: var(--cyan);
}

.page-about .about-stat--moss .about-stat__value {
  color: var(--moss);
}

.page-about .about-stat--clay .about-stat__value {
  color: var(--clay);
}

.page-about .about-stat__label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--stone);
}

.page-about .about-team__copy p {
  max-width: 58ch;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.78;
}

.page-about .about-team__link {
  display: inline-block;
  margin-top: 0.6rem;
  padding-bottom: 0.15rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(36, 245, 210, 0.4);
}

.page-about .about-team__link:hover,
.page-about .about-team__link:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-about .about-team__media {
  border: 1px solid var(--about-line);
  background: var(--panel);
}

/* ---------- 价值主张 ---------- */
.page-about .about-values__list {
  margin: clamp(1.2rem, 3.5vw, 2rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-value {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.45rem;
  padding: clamp(1.05rem, 3vw, 1.6rem) 0;
  border-top: 1px solid var(--about-line);
}

.page-about .about-value:last-child {
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-value__idx {
  font-family: var(--font-num);
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-about .about-value--cyan .about-value__idx {
  color: var(--cyan);
}

.page-about .about-value--moss .about-value__idx {
  color: var(--moss);
}

.page-about .about-value--clay .about-value__idx {
  color: var(--clay);
}

.page-about .about-value--track .about-value__idx {
  color: var(--track);
}

.page-about .about-value__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.8vw, 1.28rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
}

.page-about .about-value__desc {
  margin: 0;
  max-width: 66ch;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-about .about-values__note {
  margin: clamp(1.2rem, 3vw, 1.8rem) 0 0;
  padding: 0.85rem 1rem;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--stone);
  background: rgba(201, 120, 90, 0.1);
  border-left: 2px solid var(--clay);
}

/* ---------- 行动收口 ---------- */
.page-about .about-cta {
  padding: clamp(2.2rem, 6vw, 4.2rem) 0 clamp(1.6rem, 4vw, 2.4rem);
  background:
    linear-gradient(118deg, rgba(36, 245, 210, 0.14), transparent 58%),
    var(--panel);
  border-top: 1px solid var(--about-line);
}

.page-about .about-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.2rem, 3.5vw, 2.4rem);
  align-items: end;
}

.page-about .about-cta__copy p {
  max-width: 56ch;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.78;
}

.page-about .about-cta__copy .cmd-h2 {
  margin: 0.6rem 0 0.85rem;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
}

.page-about .about-cta__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(36, 245, 210, 0.4);
}

.page-about .about-cta__link:hover,
.page-about .about-cta__link:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-about .about-cta__strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  margin-top: clamp(1.4rem, 4vw, 2.2rem);
  padding-top: 1rem;
  border-top: 1px solid var(--line-strong);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--stone);
}

/* ---------- 焦点可见 ---------- */
.page-about a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .about-reach__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: stretch;
  }

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

  .page-about .about-value {
    grid-template-columns: 4rem minmax(0, 0.8fr) minmax(0, 1.4fr);
    align-items: baseline;
    gap: 0.4rem 1.4rem;
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }
}

@media (min-width: 880px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: end;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: center;
  }

  .page-about .about-versions__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
      "stats media"
      "copy  media";
  }

  .page-about .about-team__stats {
    grid-area: stats;
  }

  .page-about .about-team__copy {
    grid-area: copy;
  }

  .page-about .about-team__media {
    grid-area: media;
    align-self: stretch;
  }
}

@media (hover: hover) and (min-width: 880px) {
  .page-about .about-ver__hint {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
  }

  .page-about .about-ver:hover .about-ver__hint,
  .page-about .about-ver:focus-within .about-ver__hint {
    opacity: 1;
    max-height: 6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-ver__hint {
    transition: none;
    opacity: 1;
    max-height: none;
  }
}
<<<END>>>