.page-about {
  --about-lift: 6%;
  --about-ink-soft: rgba(242, 240, 232, .78);
  --about-glow: 0 0 22px rgba(255, 122, 47, .26);
}

/* ---------- 面包屑间距 ---------- */
.page-about > .breadcrumb {
  padding-top: 18px;
}

/* ---------- 首屏：起点与主张 ---------- */
.page-about .about-origin__grid {
  display: grid;
  gap: 26px;
}

.page-about .about-origin__copy h1 {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(30px, 7vw, 60px);
  line-height: 1.12;
  letter-spacing: -.012em;
  color: var(--ink);
  text-shadow: var(--about-glow);
  margin: 14px 0 18px;
  max-width: 15em;
}

.page-about .about-origin__copy p {
  color: var(--about-ink-soft);
  font-size: 16px;
  line-height: 1.8;
  margin: 0 0 16px;
}

.page-about .about-origin__copy p:last-child {
  margin-bottom: 0;
}

.page-about .about-origin__copy a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 225, 200, .5);
}

.page-about .about-origin__copy a:hover,
.page-about .about-origin__copy a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-about .about-origin__panel {
  background:
    linear-gradient(160deg, rgba(139, 92, 246, .16), transparent 58%),
    var(--panel);
  border-color: var(--line);
  align-self: start;
}

.page-about .about-origin__panel .panel__body {
  padding-top: 4px;
}

.page-about .about-facts {
  margin: 0;
  display: grid;
  gap: 2px;
}

.page-about .about-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

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

.page-about .about-facts dt {
  color: var(--muted);
  font-size: 14px;
}

.page-about .about-facts dd {
  margin: 0;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
}

/* ---------- 斜向留白块 ---------- */
.page-about .about-slab {
  height: 74px;
  background:
    linear-gradient(102deg, rgba(139, 92, 246, .28), rgba(11, 18, 38, 0) 62%),
    linear-gradient(102deg, rgba(255, 122, 47, .18), rgba(11, 18, 38, 0) 40%);
  clip-path: polygon(0 34%, 100% 0, 100% 66%, 0 100%);
  margin: 8px 0;
}

.page-about .about-slab--flip {
  transform: scaleX(-1);
  background:
    linear-gradient(102deg, rgba(53, 225, 200, .2), rgba(11, 18, 38, 0) 58%),
    linear-gradient(102deg, rgba(255, 209, 102, .14), rgba(11, 18, 38, 0) 36%);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline__figure {
  margin: 30px 0 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--panel-2);
}

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

.page-about .about-timeline__figure .media__caption {
  color: var(--muted);
  font-size: 13px;
  padding: 12px 18px 16px;
  margin: 0;
}

.page-about .about-steps {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-step {
  position: relative;
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 20px 20px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  border-radius: var(--radius);
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}

.page-about .about-step:hover,
.page-about .about-step:focus-within {
  border-color: var(--line);
  border-left-color: var(--orange);
  box-shadow: 0 0 0 1px rgba(255, 209, 102, .55), var(--shadow-card);
  transform: translateY(-3px);
}

.page-about .about-step__num {
  margin: 0;
  display: grid;
  place-items: center;
  min-height: 48px;
  border-radius: 12px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--navy);
  background: var(--orange);
}

.page-about .about-step__body h3 {
  margin: 2px 0 10px;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink);
}

.page-about .about-step__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--about-ink-soft);
}

.page-about .about-step__keep {
  display: inline-block;
  margin: 0;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--cyan);
  font-size: 13px;
  line-height: 1.5;
}

.page-about .about-step:nth-child(2) .about-step__num { background: var(--amber); }
.page-about .about-step:nth-child(3) .about-step__num { background: var(--cyan); }
.page-about .about-step:nth-child(4) .about-step__num { background: var(--violet); color: var(--ink); }
.page-about .about-step:nth-child(5) .about-step__num { background: linear-gradient(150deg, var(--orange), var(--violet)); color: var(--ink); }

.page-about .about-timeline__foot {
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .about-timeline__foot a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255, 209, 102, .5);
}

.page-about .about-timeline__foot a:hover,
.page-about .about-timeline__foot a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 团队 ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: 26px;
  margin-top: 30px;
}

.page-about .about-team__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--panel-2);
  align-self: start;
}

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

.page-about .about-team__figure .media__caption {
  color: var(--muted);
  font-size: 13px;
  padding: 12px 18px 16px;
  margin: 0;
}

.page-about .about-team__chart {
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(255, 122, 47, .12), transparent 55%),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px 22px 26px;
}

.page-about .about-team__chart-title {
  margin: 0 0 20px;
  font-size: 17px;
  color: var(--ink);
  letter-spacing: .02em;
}

.page-about .about-bars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-bar__label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 7px;
  font-size: 15px;
  color: var(--ink);
}

.page-about .about-bar__label .mono {
  font-family: var(--font-mono);
  color: var(--amber);
  font-weight: 700;
}

.page-about .about-bar__track {
  height: 10px;
  margin: 0;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-about .about-bar__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--violet), var(--orange));
  transition: filter var(--ease);
}

.page-about .about-bar:nth-child(1) .about-bar__fill { width: 28.6%; }
.page-about .about-bar:nth-child(2) .about-bar__fill { width: 23.8%; }
.page-about .about-bar:nth-child(3) .about-bar__fill { width: 19%; background: linear-gradient(90deg, var(--violet), var(--cyan)); }
.page-about .about-bar:nth-child(4) .about-bar__fill { width: 14.3%; background: linear-gradient(90deg, var(--violet), var(--amber)); }
.page-about .about-bar:nth-child(5) .about-bar__fill { width: 14.3%; background: linear-gradient(90deg, var(--panel-2), var(--violet)); }

.page-about .about-bar:hover .about-bar__fill,
.page-about .about-bar:focus-within .about-bar__fill {
  filter: brightness(1.3);
}

.page-about .about-bar__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 内容流程 ---------- */
.page-about .about-flow__track {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.page-about .about-flow__stage {
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--violet);
  border-radius: var(--radius);
  background: var(--panel-2);
  transition: border-color var(--ease), transform var(--ease);
}

.page-about .about-flow__stage:hover {
  border-top-color: var(--orange);
  transform: translateY(-3px);
}

.page-about .about-flow__step {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-about .about-flow__stage h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--ink);
}

.page-about .about-flow__stage p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--about-ink-soft);
}

.page-about .about-flow__stage a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 225, 200, .5);
}

.page-about .about-flow__band {
  margin-top: 24px;
  padding: 22px 22px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    linear-gradient(100deg, rgba(255, 122, 47, .14), transparent 62%),
    var(--panel);
}

.page-about .about-flow__band-title {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--amber);
}

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

.page-about .about-flow__ticks li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--about-ink-soft);
  padding-left: 16px;
  border-left: 2px solid var(--line);
}

.page-about .about-flow__ticks .mono {
  display: inline-block;
  min-width: 64px;
  font-family: var(--font-mono);
  color: var(--orange);
  font-weight: 700;
  margin-right: 6px;
}

/* ---------- 区域覆盖 ---------- */
.page-about .about-region__grid {
  display: grid;
  gap: 26px;
  margin-top: 30px;
}

.page-about .about-region__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--panel-2);
  align-self: start;
}

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

.page-about .about-region__figure .media__caption {
  color: var(--muted);
  font-size: 13px;
  padding: 12px 18px 16px;
  margin: 0;
}

.page-about .about-region__copy p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--about-ink-soft);
}

.page-about .about-region__copy p:last-child {
  margin-bottom: 0;
}

.page-about .about-region__copy a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 225, 200, .5);
}

.page-about .about-region__copy a:hover,
.page-about .about-region__copy a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-about .about-region__nodes {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-region__nodes li {
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--panel-2);
  position: relative;
  padding-left: 34px;
}

.page-about .about-region__nodes li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 22px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(53, 225, 200, .8);
}

.page-about .about-region__node-name {
  margin: 0 0 6px;
  font-size: 15px;
  color: var(--ink);
  font-weight: 700;
}

.page-about .about-region__nodes p:last-child {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 荣誉 ---------- */
.page-about .about-honors__wall {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-about .about-honor {
  padding: 22px 22px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  position: relative;
  overflow: hidden;
  transition: border-color var(--ease), transform var(--ease);
}

.page-about .about-honor::after {
  content: "";
  position: absolute;
  inset: auto -20% -60% auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  opacity: .16;
  background: var(--violet);
}

.page-about .about-honor:hover,
.page-about .about-honor:focus-within {
  border-color: rgba(255, 209, 102, .6);
  transform: translateY(-4px);
}

.page-about .about-honor--a::after { background: var(--orange); }
.page-about .about-honor--b::after { background: var(--cyan); }
.page-about .about-honor--c::after { background: var(--violet); }
.page-about .about-honor--d::after { background: var(--amber); }

.page-about .about-honor__tag {
  display: inline-block;
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .12em;
}

.page-about .about-honor h3 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.45;
  color: var(--ink);
  position: relative;
}

.page-about .about-honor p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--about-ink-soft);
  position: relative;
}

/* ---------- 下一步 ---------- */
.page-about .about-next__list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-next__list li {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
  transition: border-color var(--ease), background-color var(--ease);
}

.page-about .about-next__list li:hover {
  border-color: rgba(139, 92, 246, .55);
  background: var(--panel);
}

.page-about .about-next__mark {
  display: block;
  margin-top: 7px;
  width: 18px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--orange), var(--violet));
}

.page-about .about-next__list h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--ink);
}

.page-about .about-next__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--about-ink-soft);
}

.page-about .about-next__cta {
  margin: 24px 0 0;
  padding: 18px 20px;
  border-radius: var(--radius);
  border: 1px dashed var(--line);
  background: rgba(19, 28, 58, .6);
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-ink-soft);
}

.page-about .about-next__cta a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255, 209, 102, .5);
}

.page-about .about-next__cta a:hover,
.page-about .about-next__cta a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr);
    gap: 34px;
    align-items: start;
  }

  .page-about .about-flow__track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

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

  .page-about .about-honors__wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-slab {
    height: 96px;
  }
}

/* ---------- 桌面：阶梯排布 ---------- */
@media (min-width: 900px) {
  .page-about .about-origin__grid {
    gap: 56px;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 40px;
    align-items: start;
  }

  .page-about .about-team__chart {
    margin-top: 34px;
  }

  .page-about .about-region__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    gap: 42px;
    align-items: start;
  }

  .page-about .about-region__copy {
    padding-top: 12px;
  }

  .page-about .about-step:nth-child(1) { margin-right: 22%; }
  .page-about .about-step:nth-child(2) { margin-left: 5.5%; margin-right: 16.5%; }
  .page-about .about-step:nth-child(3) { margin-left: 11%; margin-right: 11%; }
  .page-about .about-step:nth-child(4) { margin-left: 16.5%; margin-right: 5.5%; }
  .page-about .about-step:nth-child(5) { margin-left: 22%; }

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

/* ---------- 宽屏：荣誉墙错位 ---------- */
@media (min-width: 1080px) {
  .page-about .about-honors__wall {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 20px;
  }

  .page-about .about-honor:nth-child(1) { grid-column: span 3; }
  .page-about .about-honor:nth-child(2) { grid-column: span 3; margin-top: 44px; }
  .page-about .about-honor:nth-child(3) { grid-column: span 2; }
  .page-about .about-honor:nth-child(4) { grid-column: span 4; margin-top: 28px; }

  .page-about .about-next__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .about-next__list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .page-about .about-flow__band {
    padding: 26px 28px 28px;
  }

  .page-about .about-flow__ticks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-step,
  .page-about .about-flow__stage,
  .page-about .about-honor,
  .page-about .about-next__list li,
  .page-about .about-bar__fill {
    transition: none;
  }

  .page-about .about-step:hover,
  .page-about .about-flow__stage:hover,
  .page-about .about-honor:hover,
  .page-about .about-next__list li:hover {
    transform: none;
  }
}
<<<END>>>