.page-about {
  --about-line: rgba(201, 162, 74, 0.38);
  --about-line-soft: rgba(201, 162, 74, 0.16);
  --about-num: clamp(40px, 9vw, 96px);
}

.page-about figure {
  margin: 0;
}

.page-about .about-h2 {
  margin: 14px 0 20px;
  text-wrap: balance;
}

.page-about .about-h2--light {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background: var(--indigo);
  color: var(--paper);
  padding-block: clamp(28px, 5vw, 64px) clamp(44px, 7vw, 96px);
}

.page-about .about-pattern {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--gold);
  opacity: 0.08;
  pointer-events: none;
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px);
}

.page-about .about-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: var(--step-13);
  color: var(--gray);
  margin-bottom: clamp(20px, 4vw, 40px);
}

.page-about .about-crumbs a {
  color: var(--gold-lit);
  text-decoration: none;
}

.page-about .about-crumbs a:hover {
  text-decoration: underline;
}

.page-about .about-crumbs [aria-current="page"] {
  color: var(--paper);
}

.page-about .about-hero .eyebrow {
  color: var(--gold);
}

.page-about .about-title {
  font-family: var(--font-display);
  font-size: var(--step-128);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.02;
  color: var(--paper);
  margin: clamp(14px, 2.5vw, 24px) 0 clamp(20px, 3vw, 32px);
}

.page-about .about-lede {
  max-width: 34em;
  color: var(--paper-2);
  font-size: var(--step-17);
  line-height: 1.8;
}

.page-about .about-hero-note {
  margin-top: clamp(20px, 3vw, 32px);
  font-size: var(--step-13);
  letter-spacing: 0.08em;
  color: var(--gold);
  border-top: var(--about-line);
  padding-top: 14px;
  max-width: 34em;
}

/* 刻度尺 */
.page-about .about-scale {
  border-top: var(--about-line);
  padding-top: 18px;
}

.page-about .about-scale-head {
  font-size: var(--step-13);
  letter-spacing: 0.12em;
  color: var(--gray);
  margin: 0 0 18px;
}

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

.page-about .about-scale-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(to bottom, var(--gold), rgba(201, 162, 74, 0.08));
}

.page-about .about-scale-item {
  position: relative;
  padding: 0 0 22px 28px;
}

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

.page-about .about-scale-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 11px;
  height: 11px;
  border: 2px solid var(--gold);
  background: var(--indigo);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-about .about-scale-item.is-in::before {
  background: var(--gold-lit);
  box-shadow: 0 0 0 4px rgba(241, 217, 138, 0.16);
}

.page-about .about-scale-label {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-17);
  color: var(--paper);
  line-height: 1.4;
}

.page-about .about-scale-note {
  display: block;
  font-size: var(--step-13);
  letter-spacing: 0.08em;
  color: var(--gray);
  margin-top: 2px;
}

/* ---------- 品牌主张 ---------- */
.page-about .about-claim {
  padding-block: clamp(48px, 7vw, 104px);
}

.page-about .about-claim-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-about .about-claim-text {
  max-width: 40em;
}

.page-about .about-claim-text .prose {
  color: var(--ink);
  margin-bottom: 18px;
}

.page-about .about-claim-link {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: var(--step-15);
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 2px solid var(--cinnabar);
  padding-bottom: 3px;
}

.page-about .about-claim-link:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.page-about .about-claim-figure .media {
  border: var(--line-ink);
  box-shadow: var(--shadow-shot);
  background: var(--paper-2);
}

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

.page-about .about-claim-figure .media-caption {
  margin-top: 14px;
  font-size: var(--step-13);
  color: var(--gray);
  line-height: 1.6;
}

/* ---------- 三条准则 ---------- */
.page-about .about-rules {
  background: var(--indigo-3);
  color: var(--paper);
  padding-block: clamp(48px, 7vw, 104px);
}

.page-about .about-rules .eyebrow {
  color: var(--gold);
}

.page-about .about-rules-head {
  max-width: 44em;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-about .about-rule-list {
  border-bottom: 3px solid var(--about-line);
}

.page-about .about-rule-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(26px, 4vw, 44px) 0;
  border-top: 3px solid var(--about-line);
  transition: background 0.25s var(--ease);
}

.page-about .about-rule-num {
  font-size: var(--about-num);
  line-height: 0.9;
  color: var(--gold);
  letter-spacing: 0.02em;
  margin: 0;
}

.page-about .about-rule-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-28);
  line-height: 1.3;
  color: var(--paper);
  margin: 0 0 12px;
}

.page-about .about-rule-body {
  max-width: 36em;
}

.page-about .about-rule-body p {
  margin: 0;
  color: var(--paper-2);
  font-size: var(--step-17);
  line-height: 1.8;
}

.page-about .about-rule-where {
  margin: 6px 0 0;
}

.page-about .about-rule-tag {
  display: inline-block;
  font-size: var(--step-13);
  letter-spacing: 0.08em;
  color: var(--gold-lit);
  text-decoration: none;
  border: 1px solid var(--about-line);
  padding: 6px 12px;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .about-rule-tag:hover,
.page-about .about-rule-tag:focus-visible {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.page-about .about-rule-row:hover .about-rule-tag {
  border-color: var(--gold-lit);
}

/* ---------- 运营历程 ---------- */
.page-about .about-history {
  padding-block: clamp(48px, 7vw, 104px);
}

.page-about .about-history-head {
  max-width: 44em;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-about .about-history-lede {
  color: var(--ink);
}

.page-about .about-history-media {
  border: var(--line-ink);
  box-shadow: var(--shadow-shot);
  background: var(--paper-2);
  margin-bottom: clamp(30px, 4vw, 48px);
}

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

.page-about .about-phases {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 3px solid var(--ink);
}

.page-about .about-phase {
  padding: 22px 0 26px;
  border-bottom: 1px solid rgba(10, 13, 20, 0.14);
}

.page-about .about-phase:last-child {
  border-bottom: none;
}

.page-about .about-phase-idx {
  display: block;
  font-size: var(--step-13);
  letter-spacing: 0.12em;
  color: var(--cinnabar);
  margin-bottom: 8px;
}

.page-about .about-phase h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-20);
  color: var(--ink);
  margin: 0 0 8px;
}

.page-about .about-phase p {
  margin: 0;
  color: var(--ink);
  font-size: var(--step-15);
  line-height: 1.75;
  max-width: 32em;
}

/* ---------- 内容产能 ---------- */
.page-about .about-output {
  background: var(--indigo-2);
  color: var(--paper);
  padding-block: clamp(48px, 7vw, 104px);
}

.page-about .about-output .eyebrow {
  color: var(--gold);
}

.page-about .about-output-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 56px);
  align-items: start;
}

.page-about .about-output-lede {
  color: var(--paper-2);
  max-width: 36em;
}

.page-about .about-stats {
  list-style: none;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 2.5vw, 32px);
}

.page-about .about-stat {
  border-top: 3px solid var(--gold);
  padding-top: 14px;
}

.page-about .about-stat-num {
  display: block;
  font-size: clamp(36px, 6vw, 56px);
  line-height: 1;
  color: var(--gold-lit);
  letter-spacing: 0.02em;
}

.page-about .about-stat-unit {
  display: block;
  font-size: var(--step-15);
  font-weight: 700;
  color: var(--paper);
  margin: 8px 0 6px;
}

.page-about .about-stat p {
  margin: 0;
  font-size: var(--step-13);
  line-height: 1.7;
  color: var(--gray);
}

.page-about .about-output-figure .media {
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 var(--indigo);
  background: var(--paper);
}

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

.page-about .about-output-figure .media-caption {
  margin-top: 14px;
  font-size: var(--step-13);
  color: var(--gray);
  line-height: 1.6;
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  background: var(--paper-2);
  padding-block: clamp(48px, 7vw, 104px);
}

.page-about .about-team-head {
  max-width: 44em;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-about .about-team-head .prose {
  color: var(--ink);
}

.page-about .about-team-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.5vw, 28px);
}

.page-about .about-team-card {
  background: var(--paper);
  border: var(--line-ink);
  box-shadow: var(--shadow-card);
  padding: clamp(20px, 3vw, 30px);
}

.page-about .about-team-num {
  display: block;
  font-size: var(--step-44);
  line-height: 1;
  color: var(--cinnabar);
  margin-bottom: 10px;
}

.page-about .about-team-card h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-20);
  color: var(--ink);
  margin: 0 0 10px;
}

.page-about .about-team-card p {
  margin: 0;
  font-size: var(--step-15);
  line-height: 1.75;
  color: var(--ink);
}

.page-about .about-team-flow {
  margin: clamp(26px, 3.5vw, 40px) 0 0;
  padding-top: 16px;
  border-top: 3px solid var(--ink);
  font-size: var(--step-13);
  letter-spacing: 0.1em;
  color: var(--celadon);
}

/* ---------- 合作与备案 ---------- */
.page-about .about-partners {
  padding-block: clamp(48px, 7vw, 104px);
}

.page-about .about-partners-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-about .about-partners-text {
  max-width: 36em;
}

.page-about .about-partners-text .prose {
  color: var(--ink);
}

.page-about .about-license {
  margin: 0;
  border-top: 3px solid var(--gold);
}

.page-about .about-license-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(10, 13, 20, 0.14);
}

.page-about .about-license-row dt {
  font-size: var(--step-13);
  letter-spacing: 0.08em;
  color: var(--gray);
}

.page-about .about-license-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-17);
  color: var(--ink);
  word-break: break-word;
}

/* ---------- 结尾 ---------- */
.page-about .about-cta {
  background: var(--indigo);
  color: var(--paper);
  padding-block: clamp(48px, 7vw, 96px);
}

.page-about .about-cta-inner {
  max-width: 52em;
}

.page-about .about-cta-lede {
  color: var(--paper-2);
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-about .about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-about .about-phases {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 40px);
  }

  .page-about .about-phase:nth-last-child(2) {
    border-bottom: none;
  }

  .page-about .about-license-row {
    grid-template-columns: 10em minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-about .about-claim-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-about .about-rule-row {
    grid-template-columns: 140px minmax(0, 1fr) 200px;
    align-items: start;
    column-gap: clamp(24px, 4vw, 52px);
  }

  .page-about .about-rule-where {
    margin-top: 12px;
    text-align: right;
  }

  .page-about .about-output-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

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

  .page-about .about-partners-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

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

  .page-about .about-phase:nth-last-child(2) {
    border-bottom: 1px solid rgba(10, 13, 20, 0.14);
  }
}

@media (min-width: 1200px) {
  .page-about .about-rule-body {
    max-width: 40em;
  }

  .page-about .about-output-lede {
    max-width: 42em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<PAGE_CSS_END>>>