.page-about {
  background:
    radial-gradient(120% 80% at 88% -8%, rgba(200, 255, 77, 0.08), transparent 62%),
    radial-gradient(90% 60% at 0% 40%, rgba(18, 51, 42, 0.85), transparent 70%),
    var(--ink-800);
  color: var(--paper);
  padding-bottom: clamp(40px, 8vw, 96px);
}

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

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding-top: clamp(14px, 3vw, 26px);
  font-size: 13px;
  color: var(--rock);
}

.page-about .breadcrumb a {
  color: var(--rock);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.page-about .breadcrumb a:hover {
  color: var(--lime);
}

.page-about .about-hero {
  padding-block: clamp(18px, 4vw, 34px) clamp(26px, 5vw, 46px);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero h1 {
  margin: 12px 0 16px;
  font-size: clamp(1.8rem, 5.6vw, 3.2rem);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 22ch;
}

.page-about .about-hero h1 .hl {
  display: inline-block;
  color: var(--lime);
  transform: skewX(-4deg);
}

.page-about .about-hero .lead {
  max-width: 62ch;
  margin: 0;
}

.page-about .hero-stats {
  list-style: none;
  margin: clamp(22px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-about .hero-stats li {
  background: var(--ink-700);
  padding: clamp(14px, 3vw, 22px);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .stat-num {
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  line-height: 1;
  font-weight: 800;
  color: var(--lime);
}

.page-about .stat-label {
  font-size: 13px;
  color: var(--rock);
  line-height: 1.4;
}

.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
  padding-top: clamp(28px, 5vw, 52px);
}

.page-about .about-main {
  min-width: 0;
}

.page-about .about-block + .about-block {
  margin-top: clamp(36px, 7vw, 72px);
  padding-top: clamp(28px, 5vw, 52px);
  border-top: 1px solid var(--line-soft);
}

.page-about .about-block h2 {
  font-size: clamp(1.35rem, 3.6vw, 2rem);
  line-height: 1.2;
  font-weight: 800;
  margin: 6px 0 14px;
  max-width: 24ch;
}

.page-about .about-block h3 {
  font-size: clamp(1rem, 2.4vw, 1.12rem);
  font-weight: 700;
  margin: 0 0 6px;
}

.page-about .about-block p {
  margin: 0 0 12px;
  color: var(--paper);
  line-height: 1.75;
  max-width: 66ch;
}

.page-about .block-index {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
  margin: 0;
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.page-about .block-tail {
  margin-top: 20px;
  font-size: 14px;
  color: var(--rock);
}

.page-about .block-tail a,
.page-about .local-text a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 77, 0.45);
}

.page-about .block-tail a:hover,
.page-about .local-text a:hover {
  color: var(--lime-soft);
}

.page-about .about-figure {
  margin: clamp(20px, 4vw, 32px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-900);
}

.page-about .about-figure img {
  width: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

/* 时间轴 */
.page-about .timeline {
  list-style: none;
  margin: clamp(20px, 4vw, 32px) 0 0;
  padding: 0;
  position: relative;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--lime), var(--line) 70%);
}

.page-about .timeline li {
  position: relative;
  padding: 0 0 clamp(20px, 3.5vw, 28px) 32px;
}

.page-about .timeline li:last-child {
  padding-bottom: 0;
}

.page-about .timeline li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink-800);
  border: 2px solid var(--lime);
}

.page-about .timeline li:nth-child(3)::before {
  border-color: var(--orange);
}

.page-about .tl-stage {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
  margin: 0 0 4px;
}

.page-about .timeline li p:not(.tl-stage) {
  font-size: 14.5px;
  color: var(--rock);
  margin: 0;
}

/* 三件事 */
.page-about .duty-list {
  list-style: none;
  margin: clamp(20px, 4vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .duty-list li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  background: var(--ink-700);
  border: 1px solid var(--line);
  border-left: 3px solid var(--lime);
  border-radius: var(--r-md);
  padding: clamp(16px, 3vw, 22px);
}

.page-about .duty-num {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--lime);
  line-height: 1.2;
}

.page-about .duty-body p {
  margin: 0;
  font-size: 14.5px;
  color: var(--rock);
}

/* 流程 */
.page-about .flow-list {
  list-style: none;
  margin: clamp(20px, 4vw, 32px) 0 0;
  padding: 0;
  position: relative;
}

.page-about .flow-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: var(--line);
}

.page-about .flow-list li {
  position: relative;
  padding: 0 0 clamp(20px, 3.5vw, 28px) 30px;
}

.page-about .flow-list li:last-child {
  padding-bottom: 0;
}

.page-about .flow-dot {
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 42, 0.14);
}

.page-about .flow-list p {
  margin: 0;
  font-size: 14.5px;
  color: var(--rock);
}

/* 团队技能树 */
.page-about .team-tree {
  margin-top: clamp(20px, 4vw, 32px);
  padding: clamp(18px, 3.5vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(180deg, rgba(18, 51, 42, 0.9), rgba(11, 31, 26, 0.9));
}

.page-about .team-root {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 auto;
  padding: 10px 22px;
  border: 1px solid var(--lime);
  border-radius: 999px;
  color: var(--lime);
  font-weight: 700;
  font-size: 14px;
}

.page-about .team-root .num {
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1;
}

.page-about .team-branches {
  list-style: none;
  margin: clamp(20px, 4vw, 30px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-about .team-branches li {
  position: relative;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-about .team-branches li::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 34px;
  height: 2px;
  background: var(--lime);
}

.page-about .branch-num {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--paper);
  line-height: 1;
  margin-bottom: 8px;
}

.page-about .team-branches h3 {
  font-size: 15px;
}

.page-about .team-branches p {
  margin: 0;
  font-size: 14px;
  color: var(--rock);
  line-height: 1.7;
}

/* 重庆 */
.page-about .local-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 32px);
  margin-top: clamp(18px, 3vw, 26px);
  align-items: start;
}

.page-about .local-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-900);
}

.page-about .local-figure img {
  width: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-about .local-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  font-size: 14px;
}

.page-about .local-contact .muted {
  color: var(--rock);
}

/* 结尾行动 */
.page-about .about-cta {
  margin-top: clamp(36px, 7vw, 72px);
  padding: clamp(20px, 4vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(100deg, rgba(200, 255, 77, 0.1), rgba(11, 31, 26, 0.2) 55%),
    var(--ink-700);
}

.page-about .about-cta p {
  margin: 0 0 16px;
  font-size: clamp(1rem, 2.6vw, 1.15rem);
  font-weight: 700;
  line-height: 1.5;
}

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

/* 侧栏 */
.page-about .about-aside {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-about .aside-box {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--ink-900);
  padding: clamp(16px, 3vw, 20px);
}

.page-about .aside-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--rock);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .outline ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .outline a {
  display: block;
  padding: 8px 10px;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: var(--r-xs);
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-about .outline a:hover {
  background: var(--ink-700);
  color: var(--lime-soft);
}

.page-about .outline a[aria-current] {
  background: rgba(200, 255, 77, 0.12);
  border-left-color: var(--lime);
  color: var(--lime);
}

.page-about .aside-facts dl {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-about .aside-facts dl > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-about .aside-facts dl > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .aside-facts dt {
  font-size: 12.5px;
  color: var(--rock);
}

.page-about .aside-facts dd {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--amber);
  white-space: nowrap;
}

@media (min-width: 620px) {
  .page-about .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .team-branches {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 20px;
  }

  .page-about .local-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-about .about-layout {
    grid-template-columns: minmax(0, 1fr) 262px;
    align-items: start;
  }

  .page-about .about-aside {
    position: sticky;
    top: 96px;
  }

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

  .page-about .team-root {
    display: flex;
    width: max-content;
    margin-inline: auto;
  }
}