/* ==========================================================================
   页面：主帅与团队 /team/
   作用域：.page-about
   ========================================================================== */

.page-about {
  --about-ink-dim: rgba(244, 239, 230, .74);
  --about-ink-faint: rgba(244, 239, 230, .18);
  --about-rule-soft: rgba(201, 191, 174, .45);
}

/* --- 面包屑顶部间距 --- */
.page-about > .breadcrumb {
  margin-top: clamp(28px, 5vw, 52px);
}

/* --- 首屏 --- */
.page-about .about-hero {
  padding-top: clamp(40px, 7vw, 84px);
  padding-bottom: clamp(28px, 4vw, 48px);
}

.page-about .about-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--milan);
  text-transform: uppercase;
  margin: 0 0 22px;
}

.page-about .about-hero__title {
  margin: 0;
  max-width: 15ch;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(36px, 6.8vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.page-about .about-hero__lede {
  margin: clamp(24px, 3vw, 36px) 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.1vw, 18px);
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 28px;
  margin: clamp(36px, 5vw, 56px) 0 0;
  padding-top: 28px;
  border-top: 0.5px solid var(--rule);
}

@media (min-width: 760px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .hero-fact {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about .hero-fact__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .hero-fact__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-about .hero-fact__value .num {
  color: var(--milan);
}

/* --- 首屏通栏图 --- */
.page-about .about-hero-figure {
  margin-top: clamp(44px, 6vw, 76px);
}

/* --- 章节骨架（局部强化，不重定义共享类） --- */
.page-about .chapter {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 760px) {
  .page-about .chapter {
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 40px;
  }
}

.page-about .chapter-index {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(40px, 5.6vw, 84px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--milan);
}

.page-about .chapter-body h2 {
  margin: 0 0 20px;
  max-width: 22ch;
  font-weight: 900;
  font-size: clamp(26px, 3.4vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-about .chapter-body .prose {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.1vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-about .chapter-body .prose a {
  color: var(--ember);
  text-decoration: none;
  border-bottom: 0.5px solid currentColor;
}

.page-about .chapter-body .prose a:hover {
  color: var(--milan);
}

/* --- 岗位条形图 --- */
.page-about .role-chart {
  display: grid;
  gap: 18px;
  margin: clamp(40px, 5vw, 60px) 0 0;
}

.page-about .role-bar {
  display: grid;
  grid-template-columns: minmax(72px, auto) 1fr auto;
  align-items: center;
  gap: 14px;
}

.page-about .role-bar__label {
  font-size: 14px;
  color: var(--ink);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.page-about .role-bar__track {
  position: relative;
  display: block;
  height: 8px;
  background: rgba(201, 191, 174, .35);
  overflow: hidden;
}

.page-about .role-bar__fill {
  display: block;
  height: 100%;
  width: 0;
  background: var(--milan);
  transition: width 900ms var(--ease);
}

.page-about .role-bar[data-bar="tactics"] .role-bar__fill,
.page-about .role-bar[data-bar="ops"] .role-bar__fill {
  background: var(--grass);
}

.page-about .role-chart[data-reveal].is-in .role-bar__fill {
  width: var(--bar-width, 0%);
}

.page-about .role-bar:nth-child(2) .role-bar__fill { transition-delay: 70ms; }
.page-about .role-bar:nth-child(3) .role-bar__fill { transition-delay: 140ms; }
.page-about .role-bar:nth-child(4) .role-bar__fill { transition-delay: 210ms; }

.page-about .role-bar__count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
}

.page-about .role-bar__count .num {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-right: 0.15em;
}

/* --- 岗位说明 --- */
.page-about .role-notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: clamp(40px, 5vw, 64px);
  border-top: 0.5px solid var(--rule);
}

@media (min-width: 760px) {
  .page-about .role-notes {
    grid-template-columns: 1fr 1fr;
  }
  .page-about .role-note:nth-child(odd) {
    border-right: 0.5px solid var(--rule);
  }
}

.page-about .role-note {
  padding: 24px 0;
  border-bottom: 0.5px solid var(--rule);
}

@media (min-width: 760px) {
  .page-about .role-note {
    padding: 30px clamp(18px, 2.4vw, 30px);
  }
  .page-about .role-note:nth-child(odd) {
    padding-left: 0;
  }
  .page-about .role-note:nth-child(even) {
    padding-right: 0;
  }
}

.page-about .role-note h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-about .role-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 44ch;
}

/* --- 时间线 --- */
.page-about .timeline {
  list-style: none;
  margin: clamp(40px, 5vw, 64px) 0 0;
  padding: 0;
  border-top: 0.5px solid var(--rule);
}

.page-about .timeline__stage {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 28px 0;
  border-bottom: 0.5px solid var(--rule);
}

@media (min-width: 720px) {
  .page-about .timeline__stage {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 44px;
    padding: 40px 0;
  }
}

.page-about .timeline__years {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ember);
  padding-top: 6px;
}

.page-about .timeline__main h3 {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-about .timeline__main p {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .timeline__main a {
  color: var(--ember);
  text-decoration: none;
  border-bottom: 0.5px solid currentColor;
}

.page-about .timeline__main a:hover {
  color: var(--milan);
}

/* --- 档案实体照片 --- */
.page-about .about-plate {
  margin: clamp(56px, 7vw, 92px) 0 0;
  padding: 0;
}

.page-about .about-plate__frame {
  max-width: 1000px;
  margin: 0 auto;
  border: 0.5px solid var(--rule);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

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

.page-about .about-plate__caption {
  max-width: 62ch;
  margin: 14px auto 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* --- 四维度 --- */
.page-about .dims-shell {
  margin-top: clamp(40px, 5vw, 64px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 980px) {
  .page-about .dims-shell {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(40px, 4vw, 64px);
    align-items: start;
  }
}

.page-about .dims-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 0.5px solid var(--rule);
  border-left: 0.5px solid var(--rule);
}

@media (min-width: 640px) {
  .page-about .dims-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.page-about .dims-item {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 2.6vw, 30px);
  background: var(--paper-bright);
  border-right: 0.5px solid var(--rule);
  border-bottom: 0.5px solid var(--rule);
}

.page-about .dims-item__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-about .dims-item__index {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ember);
}

.page-about .dims-item__title {
  margin: 0;
  font-size: clamp(18px, 1.5vw, 20px);
  font-weight: 800;
  letter-spacing: -0.005em;
  color: var(--ink);
}

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

.page-about .dims-figure {
  margin: 0;
}

.page-about .dims-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 0.5px solid var(--rule);
  box-shadow: var(--shadow-1);
}

.page-about .dims-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* --- 质量协作 --- */
.page-about .quality-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: clamp(40px, 5vw, 60px);
  border-top: 0.5px solid var(--rule);
}

@media (min-width: 760px) {
  .page-about .quality-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.page-about .quality-card {
  padding: 26px 0;
  border-bottom: 0.5px solid var(--rule);
}

@media (min-width: 760px) {
  .page-about .quality-card {
    padding: 34px clamp(20px, 2.6vw, 34px);
  }
  .page-about .quality-card:nth-child(odd) {
    padding-left: 0;
    border-right: 0.5px solid var(--rule);
  }
  .page-about .quality-card:nth-child(even) {
    padding-right: 0;
  }
}

.page-about .quality-card__num {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ember);
}

.page-about .quality-card h3 {
  margin: 0 0 10px;
  font-size: clamp(18px, 1.6vw, 21px);
  font-weight: 800;
  letter-spacing: -0.005em;
  color: var(--ink);
}

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

.page-about .quality-tail {
  margin: clamp(28px, 4vw, 40px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .quality-tail a {
  color: var(--ember);
  text-decoration: none;
  border-bottom: 0.5px solid currentColor;
}

.page-about .quality-tail a:hover {
  color: var(--milan);
}

/* --- 深绿数据带 --- */
.page-about .about-band {
  margin: clamp(72px, 9vw, 112px) 0;
  padding: clamp(60px, 7vw, 96px) 0;
  background: var(--grass);
  color: var(--paper);
}

.page-about .about-band .eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-about .metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px 24px;
  margin-top: clamp(24px, 3vw, 36px);
}

@media (min-width: 760px) {
  .page-about .metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 32px;
  }
}

.page-about .metric__value {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(32px, 4.4vw, 54px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-about .metric__unit {
  font-size: 0.4em;
  font-weight: 500;
  color: var(--about-ink-dim);
}

.page-about .metric__label {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--about-ink-dim);
}

.page-about .band-note {
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding-top: 22px;
  border-top: 0.5px solid var(--about-ink-faint);
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--about-ink-dim);
}

/* --- 荣誉深色带 --- */
.page-about .about-band--honor {
  background: var(--panel);
  padding: clamp(52px, 6vw, 78px) 0;
}

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

.page-about .honor-line {
  margin: 0;
  max-width: 30ch;
  font-size: clamp(20px, 2.6vw, 32px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.012em;
  color: var(--paper-bright);
}

.page-about .honor-line::before {
  content: "";
  display: block;
  width: 48px;
  height: 4px;
  margin-bottom: 24px;
  background: var(--milan);
}

/* --- 招募与协作 --- */
.page-about .jobs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(36px, 5vw, 56px);
}

@media (min-width: 760px) {
  .page-about .jobs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .job-card {
  display: flex;
  flex-direction: column;
  padding: clamp(26px, 3vw, 34px);
  background: var(--paper-bright);
  border: 0.5px solid var(--rule);
  transition: border-color 260ms var(--ease), box-shadow 260ms var(--ease), transform 260ms var(--ease);
}

.page-about .job-card:hover {
  border-color: var(--milan);
  box-shadow: var(--shadow-2);
  transform: translateY(-2px);
}

.page-about .job-card__title {
  margin: 0 0 14px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-about .job-card__requirement {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .job-card__note {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 0.5px solid var(--rule);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ember);
}

.page-about .coop-block {
  margin-top: clamp(48px, 6vw, 72px);
  padding-top: clamp(32px, 4vw, 48px);
  border-top: 0.5px solid var(--rule);
}

.page-about .coop-block h3 {
  margin: 0 0 22px;
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 800;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-about .coop-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
}

.page-about .coop-list li {
  padding: 8px 16px;
  background: var(--paper-bright);
  border: 0.5px solid var(--rule);
  border-radius: var(--radius-pill);
  font-size: 14px;
  color: var(--ink);
}

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

/* --- 窄屏微调 --- */
@media (max-width: 480px) {
  .page-about .role-bar {
    grid-template-columns: minmax(64px, auto) 1fr auto;
    gap: 10px;
  }
  .page-about .role-bar__label {
    font-size: 13px;
  }
  .page-about .role-bar__count {
    font-size: 12px;
  }
  .page-about .role-bar__count .num {
    font-size: 16px;
  }
  .page-about .coop-actions .btn {
    flex: 1 1 100%;
    justify-content: center;
  }
}

/* --- reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  .page-about .role-bar__fill {
    transition: none;
  }
  .page-about .job-card {
    transition: none;
  }
  .page-about .job-card:hover {
    transform: none;
  }
}
</main>

.page-about {
  --bar-width: 1rem;
}