.page-about {
  --about-line: rgba(53, 230, 208, 0.24);
  --about-edge: rgba(120, 190, 215, 0.16);
  --about-panel: rgba(6, 20, 35, 0.78);
  --about-panel-strong: rgba(10, 28, 48, 0.94);
  position: relative;
  display: block;
  color: var(--text);
  background-color: var(--ink-900);
  background-image:
    radial-gradient(1100px 620px at 88% -6%, rgba(53, 230, 208, 0.10), transparent 62%),
    radial-gradient(760px 520px at 4% 18%, rgba(160, 92, 255, 0.08), transparent 66%);
  background-repeat: no-repeat;
  background-size: 100% 880px, 100% 880px;
}

.page-about::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(120, 190, 215, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 190, 215, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
}

.page-about > * {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  padding: clamp(22px, 4vw, 42px) 0 clamp(44px, 6vw, 78px);
}

.page-about .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-about .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-about .hero-copy h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 5.6vw, 56px);
  line-height: 1.1;
  letter-spacing: 0.03em;
  font-weight: 800;
  color: var(--text-strong);
}

.page-about .hero-lede {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-about .hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-about .hero-console {
  position: relative;
  padding: 22px 20px 24px;
  border: 1px solid var(--about-line);
  background: linear-gradient(158deg, var(--about-panel-strong), rgba(3, 11, 22, 0.96));
  box-shadow: var(--shadow-hard), var(--shadow-soft);
}

.page-about .hero-console::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 36px;
  border-top: 3px solid var(--cyan);
  border-left: 3px solid var(--cyan);
  pointer-events: none;
}

.page-about .console-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-about .console-time {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted-deep);
}

.page-about .console-block {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--about-edge);
}

.page-about .console-label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-about .dial-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  height: 92px;
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 6px;
  align-items: stretch;
}

.page-about .dial-step {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
  min-width: 0;
}

.page-about .dial-bar {
  display: block;
  width: 100%;
  height: 26%;
  border: 1px solid rgba(255, 176, 32, 0.42);
  background: linear-gradient(180deg, rgba(255, 176, 32, 0.9), rgba(255, 176, 32, 0.2));
}

.page-about .dial-step:nth-child(2) .dial-bar { height: 36%; }
.page-about .dial-step:nth-child(3) .dial-bar { height: 46%; }
.page-about .dial-step:nth-child(4) .dial-bar { height: 56%; }
.page-about .dial-step:nth-child(5) .dial-bar { height: 66%; }
.page-about .dial-step:nth-child(6) .dial-bar { height: 78%; }
.page-about .dial-step:nth-child(7) .dial-bar { height: 89%; }
.page-about .dial-step:nth-child(8) .dial-bar {
  height: 100%;
  border-color: var(--red);
  background: linear-gradient(180deg, rgba(255, 61, 94, 0.92), rgba(255, 61, 94, 0.24));
}

.page-about .dial-num {
  font-size: 10px;
  text-align: center;
  color: var(--muted-deep);
}

.page-about .console-foot {
  margin: 14px 0 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted-deep);
}

.page-about .console-row {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-about .console-cell {
  padding: 16px 14px;
  border: 1px solid var(--about-edge);
  background: rgba(3, 11, 22, 0.5);
  min-width: 0;
}

.page-about .console-num {
  margin: 0;
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-about .console-desc {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 定位 ---------- */

.page-about .about-position {
  padding: clamp(40px, 6vw, 76px) 0;
  border-top: 1px solid var(--about-edge);
}

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

.page-about .position-intro .section-title {
  margin-bottom: 12px;
}

.page-about .position-copy p {
  margin: 0 0 16px;
  font-size: 0.97rem;
  line-height: 1.95;
  color: var(--muted);
}

.page-about .position-facts {
  margin-top: 26px;
  border-top: 1px solid var(--about-edge);
}

.page-about .fact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--about-edge);
}

.page-about .fact-label {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted-deep);
}

.page-about .fact-value {
  font-size: 0.94rem;
  color: var(--text-strong);
}

/* ---------- 通用配图 ---------- */

.page-about .about-figure {
  margin: 36px 0 0;
}

.page-about .about-figure .media {
  border: 1px solid var(--about-edge);
  background: linear-gradient(150deg, rgba(10, 28, 48, 0.9), rgba(3, 11, 22, 0.96));
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-about .media--3x2 {
  aspect-ratio: 3 / 2;
}

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

.page-about .about-figure-cap {
  margin: 12px 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--muted-deep);
}

/* ---------- 四件事 ---------- */

.page-about .about-pillars {
  padding: clamp(42px, 6vw, 78px) 0;
  border-top: 1px solid var(--about-edge);
}

.page-about .section-head {
  margin-bottom: 30px;
}

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

.page-about .pillar {
  position: relative;
  padding: 24px 20px 26px;
  border: 1px solid var(--about-edge);
  background: var(--about-panel);
  box-shadow: var(--shadow-hard);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.page-about .pillar:hover {
  transform: translate(-2px, -2px);
  border-color: var(--about-line);
}

.page-about .pillar-index {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-about .pillar-title {
  margin: 12px 0 10px;
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text-strong);
}

.page-about .pillar-text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 节奏时间线 ---------- */

.page-about .about-rhythm {
  padding: clamp(42px, 6vw, 78px) 0;
  border-top: 1px solid var(--about-edge);
}

.page-about .rhythm-list {
  list-style: none;
  margin: 0 0 0 10px;
  padding: 0 0 0 26px;
  border-left: 2px solid var(--about-line);
  display: grid;
  gap: 30px;
}

.page-about .rhythm-item {
  position: relative;
}

.page-about .rhythm-item::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  background: var(--ink-900);
}

.page-about .rhythm-time {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-about .rhythm-title {
  margin: 8px 0 8px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-strong);
}

.page-about .rhythm-text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 派彩核对 ---------- */

.page-about .about-tiers {
  padding: clamp(42px, 6vw, 78px) 0;
  border-top: 1px solid var(--about-edge);
}

.page-about .tiers-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-about .tiers-copy .section-title {
  margin-bottom: 12px;
}

.page-about .tiers-lede {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-about .tiers-copy .about-figure {
  margin-top: 30px;
}

.page-about .tier-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .tier-item {
  padding: 20px 20px 22px;
  border: 1px solid var(--about-edge);
  border-left-width: 4px;
  background: var(--about-panel);
  box-shadow: var(--shadow-hard);
}

.page-about .tier-item--low { border-left-color: var(--cyan); }
.page-about .tier-item--mid { border-left-color: var(--amber); }
.page-about .tier-item--high { border-left-color: var(--violet); }

.page-about .tier-tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted-deep);
}

.page-about .tier-item--low .tier-tag { color: var(--cyan-dim); }
.page-about .tier-item--mid .tier-tag { color: var(--amber); }
.page-about .tier-item--high .tier-tag { color: var(--violet); }

.page-about .tier-title {
  margin: 10px 0 10px;
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-strong);
}

.page-about .tier-text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.88;
  color: var(--muted);
}

/* ---------- 收束 ---------- */

.page-about .about-cta {
  padding: clamp(44px, 6vw, 82px) 0 clamp(56px, 7vw, 96px);
  border-top: 1px solid var(--about-edge);
}

.page-about .cta-panel {
  position: relative;
  padding: clamp(26px, 4vw, 48px);
  border: 1px solid var(--about-line);
  background:
    linear-gradient(140deg, rgba(53, 230, 208, 0.08), transparent 58%),
    linear-gradient(158deg, var(--about-panel-strong), rgba(3, 11, 22, 0.96));
  box-shadow: var(--shadow-hard);
}

.page-about .cta-copy .section-title {
  margin-bottom: 12px;
}

.page-about .cta-lede {
  margin: 0;
  max-width: 46ch;
  font-size: 0.97rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-about .cta-links {
  margin-top: 30px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .cta-link {
  display: block;
  padding: 18px 18px 20px;
  border: 1px solid var(--about-edge);
  background: rgba(3, 11, 22, 0.62);
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-about .cta-link:hover,
.page-about .cta-link:focus-visible {
  transform: translate(-2px, -2px);
  border-color: var(--cyan);
  background: rgba(10, 28, 48, 0.92);
  box-shadow: var(--shadow-hard);
}

.page-about .cta-link-title {
  display: block;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-strong);
}

.page-about .cta-link-text {
  display: block;
  margin-top: 10px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 680px) {
  .page-about .pillars {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-about .hero-grid {
    grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-about .position-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .tiers-grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-about .pillars {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .pillar:nth-child(even) {
    transform: translateY(22px);
  }

  .page-about .pillar:nth-child(even):hover {
    transform: translate(-2px, 20px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .pillar,
  .page-about .cta-link {
    transition: none;
  }

  .page-about .pillar:nth-child(even),
  .page-about .pillar:hover,
  .page-about .cta-link:hover,
  .page-about .cta-link:focus-visible {
    transform: none;
  }
}
<<<END>>>