.page-about {
  --ab-line: rgba(127, 243, 234, 0.14);
  --ab-line-strong: rgba(127, 243, 234, 0.26);
  --ab-panel-bg: rgba(17, 33, 74, 0.55);
  color: var(--nh-text);
}

.page-about h1,
.page-about h2,
.page-about h3 {
  overflow-wrap: anywhere;
}

.page-about p {
  margin: 0 0 14px;
  line-height: 1.75;
}

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

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

/* ---------- 首屏 ---------- */
.ab-hero {
  padding-top: clamp(16px, 3vw, 32px);
}

.ab-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.ab-hero__copy .nh-h1 {
  margin: 14px 0 18px;
}

.ab-facts {
  list-style: none;
  margin: 26px 0 28px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.ab-facts li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 14px;
  border: 1px solid var(--ab-line);
  border-radius: 16px;
  background: linear-gradient(155deg, rgba(34, 224, 214, 0.09), rgba(139, 92, 246, 0.07));
}

.ab-facts b {
  font-family: var(--nh-font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--nh-fog);
  letter-spacing: -0.01em;
}

.ab-facts span {
  font-size: 12px;
  line-height: 1.5;
  color: var(--nh-mute);
}

.ab-hero__visual {
  position: relative;
  margin: 0;
  border-radius: var(--nh-radius-lg);
  overflow: hidden;
  border: 1px solid var(--ab-line);
  background: var(--nh-deep);
  box-shadow: var(--nh-shadow);
}

.ab-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(1.1);
}

.ab-trails {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  mix-blend-mode: screen;
}

.ab-hero__badge {
  position: absolute;
  left: 14px;
  bottom: 14px;
  right: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid var(--ab-line-strong);
  background: rgba(4, 9, 20, 0.72);
  backdrop-filter: blur(10px);
  color: var(--nh-fog);
  font-size: 14px;
}

.ab-hero__badge .nh-mono {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--nh-cyan);
}

/* ---------- 品牌起点 ---------- */
.ab-origin__stack {
  display: grid;
  gap: 18px;
}

.ab-panel {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--nh-radius-lg);
  border: 1px solid var(--ab-line);
}

.ab-panel--glass {
  background: linear-gradient(160deg, rgba(17, 33, 74, 0.62), rgba(8, 18, 38, 0.42));
  backdrop-filter: blur(8px);
}

.ab-panel--solid {
  background: linear-gradient(150deg, #11214a, #0a1730);
  border-color: rgba(34, 224, 214, 0.22);
}

.ab-panel__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--nh-cyan);
  margin-bottom: 10px;
}

.ab-panel .nh-h3 {
  margin: 0 0 12px;
  font-weight: 500;
  color: var(--nh-fog);
}

/* ---------- 时间轴 ---------- */
.ab-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 24px;
  position: relative;
  display: grid;
  gap: clamp(18px, 3vw, 26px);
}

.ab-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--nh-cyan), var(--nh-violet) 58%, rgba(139, 92, 246, 0));
}

.ab-timeline__item {
  position: relative;
  display: grid;
  gap: 10px;
}

.ab-timeline__item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 14px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--nh-ink);
  border: 2px solid var(--nh-cyan);
  box-shadow: 0 0 0 4px rgba(34, 224, 214, 0.12);
}

.ab-timeline__item:nth-child(2n)::before {
  border-color: var(--nh-violet);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.14);
}

.ab-timeline__item:nth-child(3n)::before {
  border-color: var(--nh-gold);
  box-shadow: 0 0 0 4px rgba(245, 196, 81, 0.14);
}

.ab-timeline__mark {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.ab-timeline__ver {
  font-family: var(--nh-font-mono);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  color: var(--nh-gold);
}

.ab-timeline__stage {
  font-family: var(--nh-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--nh-mute);
}

.ab-timeline__card {
  padding: 18px 20px;
  border-radius: var(--nh-radius);
  border: 1px solid var(--ab-line);
  background: linear-gradient(150deg, rgba(17, 33, 74, 0.82), rgba(8, 18, 38, 0.62));
  backdrop-filter: blur(6px);
}

.ab-timeline__card .nh-h3 {
  margin: 0 0 8px;
  font-weight: 500;
  color: var(--nh-fog);
}

.ab-timeline__card p {
  color: var(--nh-mute);
  font-size: 15px;
  margin: 0;
}

/* ---------- 团队 ---------- */
.ab-team__top {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.ab-stats {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.ab-stats li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 12px;
  border-left: 2px solid rgba(34, 224, 214, 0.4);
}

.ab-stats b {
  font-family: var(--nh-font-mono);
  font-size: 24px;
  color: var(--nh-cyan);
  line-height: 1.1;
}

.ab-stats span {
  font-size: 12px;
  color: var(--nh-mute);
}

.ab-team__media {
  margin: 0;
  border-radius: var(--nh-radius-lg);
  overflow: hidden;
  border: 1px solid var(--ab-line);
}

.ab-team__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.ab-roles {
  margin-top: clamp(24px, 4vw, 40px);
  display: grid;
  gap: 12px;
}

.ab-role {
  border: 1px solid var(--ab-line);
  border-radius: 18px;
  background: rgba(17, 33, 74, 0.5);
  overflow: hidden;
}

.ab-role[open] {
  border-color: var(--ab-line-strong);
  background: rgba(17, 33, 74, 0.72);
}

.ab-role summary {
  cursor: pointer;
  list-style: none;
  padding: 15px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--nh-fog);
}

.ab-role summary::-webkit-details-marker {
  display: none;
}

.ab-role summary::after {
  content: "+";
  flex: none;
  font-family: var(--nh-font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--nh-cyan);
}

.ab-role[open] summary::after {
  content: "–";
}

.ab-role p {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--nh-mute);
}

/* ---------- 三条主线 ---------- */
.ab-lanes__grid {
  display: grid;
  gap: 16px;
}

.ab-lane {
  position: relative;
  padding: 24px 20px 22px;
  border-radius: var(--nh-radius-lg);
  border: 1px solid var(--ab-line);
  background: linear-gradient(165deg, rgba(34, 224, 214, 0.12), rgba(8, 18, 38, 0.3) 55%, rgba(139, 92, 246, 0.12));
  overflow: hidden;
}

.ab-lane--violet {
  background: linear-gradient(165deg, rgba(139, 92, 246, 0.16), rgba(8, 18, 38, 0.3) 55%, rgba(34, 224, 214, 0.1));
}

.ab-lane--gold {
  background: linear-gradient(165deg, rgba(245, 196, 81, 0.14), rgba(8, 18, 38, 0.3) 55%, rgba(139, 92, 246, 0.12));
}

.ab-lane::after {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 224, 214, 0.22), transparent 70%);
  pointer-events: none;
}

.ab-lane--violet::after {
  background: radial-gradient(circle, rgba(139, 92, 246, 0.26), transparent 70%);
}

.ab-lane--gold::after {
  background: radial-gradient(circle, rgba(245, 196, 81, 0.22), transparent 70%);
}

.ab-lane__num {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--nh-cyan);
}

.ab-lane--violet .ab-lane__num {
  color: var(--nh-violet);
}

.ab-lane--gold .ab-lane__num {
  color: var(--nh-gold);
}

.ab-lane__title {
  margin: 10px 0 10px;
  font-size: 24px;
  font-weight: 500;
  color: var(--nh-fog);
}

.ab-lane__text {
  font-size: 15px;
  color: var(--nh-mute);
  margin: 0;
}

.ab-lane__steps {
  list-style: none;
  counter-reset: abStep;
  margin: 18px 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.ab-lane__steps li {
  counter-increment: abStep;
  position: relative;
  padding-left: 30px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--nh-text);
}

.ab-lane__steps li::before {
  content: counter(abStep);
  position: absolute;
  left: 0;
  top: 2px;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--nh-cyan);
  color: var(--nh-cyan);
  font-family: var(--nh-font-mono);
  font-size: 10px;
}

.ab-lane--violet .ab-lane__steps li::before {
  border-color: var(--nh-violet);
  color: var(--nh-violet);
}

.ab-lane--gold .ab-lane__steps li::before {
  border-color: var(--nh-gold);
  color: var(--nh-gold);
}

.ab-lane__steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 8.5px;
  top: 22px;
  bottom: -8px;
  width: 1px;
  background: var(--ab-line);
}

.ab-lane__link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--nh-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 214, 0.4);
  padding-bottom: 2px;
}

.ab-lane__link:hover,
.ab-lane__link:focus-visible {
  color: var(--nh-fog);
  border-bottom-color: var(--nh-fog);
}

/* ---------- 回访路径 ---------- */
.ab-paths {
  display: grid;
  gap: 14px;
}

.ab-path {
  padding: 22px 20px;
  border-radius: var(--nh-radius);
  border: 1px solid var(--ab-line);
  background: rgba(17, 33, 74, 0.55);
}

.ab-path--now {
  border-color: rgba(245, 196, 81, 0.5);
  background: linear-gradient(160deg, rgba(245, 196, 81, 0.12), rgba(17, 33, 74, 0.5));
}

.ab-path__tag {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--nh-gold);
}

.ab-path__title {
  margin: 10px 0 10px;
  font-size: 20px;
  font-weight: 500;
}

.ab-path__title a {
  color: var(--nh-fog);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 243, 234, 0.35);
}

.ab-path__title a:hover,
.ab-path__title a:focus-visible {
  color: var(--nh-cyan);
}

.ab-path p {
  font-size: 15px;
  color: var(--nh-mute);
  margin: 0;
}

/* ---------- 湖北本地 ---------- */
.ab-local__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.ab-local__media {
  margin: 0;
  border-radius: var(--nh-radius-lg);
  overflow: hidden;
  border: 1px solid var(--ab-line);
}

.ab-local__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.ab-local__body .nh-h2 {
  margin: 12px 0 16px;
}

.ab-local__list {
  list-style: none;
  margin: 20px 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.ab-local__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--nh-mute);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ab-line);
}

.ab-local__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.ab-local__note {
  font-size: 15px;
  color: var(--nh-mute);
  padding-left: 14px;
  border-left: 2px solid rgba(61, 220, 151, 0.5);
}

.ab-local .nh-actions-row {
  margin-top: 18px;
}

/* ---------- 结尾 ---------- */
.ab-close__panel {
  padding: clamp(26px, 4vw, 48px);
  border-radius: var(--nh-radius-lg);
  border: 1px solid rgba(127, 243, 234, 0.22);
  background: linear-gradient(135deg, rgba(34, 224, 214, 0.14), rgba(139, 92, 246, 0.18) 58%, rgba(245, 196, 81, 0.12));
}

.ab-close__panel .nh-h2 {
  margin: 12px 0 14px;
}

.ab-close__panel p {
  max-width: 60ch;
  color: var(--nh-text);
}

.ab-close__panel .nh-actions-row {
  margin-top: 22px;
}

/* ---------- 中等屏 ---------- */
@media (min-width: 760px) {
  .ab-roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ab-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .ab-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .ab-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .ab-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .ab-lanes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .ab-local__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .ab-hero__badge {
    right: auto;
    max-width: 280px;
  }

  .ab-origin__stack .ab-panel:nth-child(2) {
    margin-left: 8%;
  }

  .ab-origin__stack .ab-panel:nth-child(3) {
    margin-right: 6%;
  }
}

@media (min-width: 960px) {
  .ab-team__top {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: end;
  }
}

@media (min-width: 860px) {
  .ab-timeline {
    padding-left: 0;
  }

  .ab-timeline::before {
    left: 127px;
  }

  .ab-timeline__item {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: start;
    gap: 26px;
  }

  .ab-timeline__item::before {
    left: 121px;
  }

  .ab-timeline__mark {
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    padding-top: 8px;
    text-align: right;
  }
}

/* ---------- 动效与偏好 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .ab-lane::after {
    animation: abGlow 12s ease-in-out infinite alternate;
  }

  .ab-close__panel {
    animation: abDrift 14s ease-in-out infinite alternate;
  }
}

@keyframes abGlow {
  from {
    opacity: 0.55;
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    opacity: 1;
    transform: translate3d(-14px, 14px, 0) scale(1.12);
  }
}

@keyframes abDrift {
  from {
    background-position: 0% 50%;
  }
  to {
    background-position: 100% 50%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------- 焦点可见性 ---------- */
.page-about a:focus-visible,
.page-about summary:focus-visible {
  outline: 2px solid var(--nh-cyan);
  outline-offset: 3px;
  border-radius: 8px;
}