.page-about {
  position: relative;
  background: var(--c-dark);
  color: var(--c-white);
  overflow: hidden;
}

.page-about a {
  color: var(--c-orange);
  text-decoration: none;
  transition: color var(--transition);
}

.page-about a:hover {
  color: var(--c-green);
}

.page-about .breadcrumb {
  padding: 20px 0 0;
}

.page-about .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-about .breadcrumb__link {
  color: var(--c-muted);
}

.page-about .breadcrumb__link:hover {
  color: var(--c-green);
}

.page-about .breadcrumb__sep {
  color: var(--c-edge);
}

.page-about .breadcrumb__current {
  color: var(--c-white);
}

/* ========== 首屏 hero ========== */
.page-about .profile-hero {
  position: relative;
  padding: 48px 0 80px;
}

.page-about .profile-hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(57, 255, 20, 0.12) 0%, transparent 62%);
  pointer-events: none;
}

.page-about .profile-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 122, 0, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.page-about .profile-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 48px;
  align-items: start;
}

.page-about .profile-hero__kicker {
  margin: 0 0 20px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--c-green);
  text-transform: uppercase;
}

.page-about .profile-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: 44px;
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--c-white);
}

.page-about .profile-hero__lead {
  margin: 0 0 16px;
  font-family: var(--font-editorial);
  font-size: 20px;
  line-height: 1.65;
  color: var(--c-muted);
}

.page-about .profile-hero__body {
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-about .profile-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 28px;
}

.page-about .profile-hero__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--c-white);
  letter-spacing: 0.06em;
}

.page-about .profile-hero__meta-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.8);
  animation: profile-pulse 2s infinite;
}

.page-about .profile-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .profile-hero__media {
  position: relative;
}

.page-about .profile-hero__frame {
  width: 100%;

  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-about .profile-hero__frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.page-about .profile-hero__badge {
  position: absolute;
  bottom: 24px;
  left: -10px;
  display: flex;
  flex-direction: column;
  background: var(--c-orange);
  color: var(--c-white);
  padding: 14px 18px;
  box-shadow: 6px 6px 0 rgba(6, 18, 43, 0.6);
}

.page-about .profile-hero__badge-num {
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1;
}

.page-about .profile-hero__badge-label {
  font-size: 12px;
  margin-top: 6px;
  font-family: var(--font-data);
  letter-spacing: 0.08em;
}

/* ========== 我们是谁 ========== */
.page-about .profile-who {
  position: relative;
}

.page-about .profile-who__grid {
  display: grid;
  gap: 40px;
}

.page-about .profile-who__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-about .profile-who__note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 18px;
  background: var(--c-card);
  border-left: 3px solid var(--c-orange);
  margin-top: 24px;
}

.page-about .profile-who__note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-white);
}

.page-about .profile-who__note .live-dot {
  flex: 0 0 auto;
  margin-top: 5px;
}

.page-about .profile-who__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}

.page-about .profile-stat {
  background: var(--c-card);

  border: 1px solid var(--c-edge);
}

.page-about .profile-stat--offset {
  transform: translateY(20px);
}

.page-about .profile-stat .stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 36px;
  color: var(--c-green);
  line-height: 1.1;
  margin-bottom: 6px;
}

.page-about .profile-stat .stat-label {
  display: block;
  font-size: 13px;
  color: var(--c-muted);
  letter-spacing: 0.06em;
}

/* ========== 发展历程 ========== */
.page-about .profile-timeline {
  position: relative;
  padding: 64px 0;
}

.page-about .profile-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, rgba(13, 42, 74, 0.6) 0%, rgba(255, 122, 0, 0.04) 100%);
  pointer-events: none;
}

.page-about .profile-timeline__head {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}

.page-about .profile-timeline__hint-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-start;
}

.page-about .profile-timeline__hint {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--c-muted);
}

.page-about .profile-timeline__more {
  font-size: 14px;
  font-weight: 600;
}

.page-about .profile-timeline__track {
  list-style: none;
  margin: 0;
  padding: 8px 4px 20px;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--c-orange) var(--c-card);
  position: relative;
  z-index: 1;

  -webkit-overflow-scrolling: touch;
}

.page-about .profile-timeline__item {
  flex: 0 0 240px;
  scroll-snap-align: start;
}

.page-about .profile-timeline__card {
  background: var(--c-card);
  border: 1px solid var(--c-edge);
  border-top: 3px solid var(--c-orange);
  max-width: 100%;
  transition: transform var(--transition), box-shadow var(--transition);
}

.page-about .profile-timeline__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.page-about .profile-timeline__summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  user-select: none;
}

.page-about .profile-timeline__summary::-webkit-details-marker {
  display: none;
}

.page-about .profile-timeline__summary::after {
  content: '＋';
  position: absolute;
  top: 12px;
  right: 14px;
  font-family: var(--font-data);
  font-size: 16px;
  color: var(--c-orange);
}

.page-about .profile-timeline__card[open] .profile-timeline__summary::after {
  content: '－';
  color: var(--c-green);
}

.page-about .profile-timeline__summary {
  position: relative;
}

.page-about .profile-timeline__year {
  font-family: var(--font-display);
  font-size: 30px;
  color: var(--c-white);
  line-height: 1;
}

.page-about .profile-timeline__label {
  font-size: 13px;
  color: var(--c-muted);
  letter-spacing: 0.08em;
  font-family: var(--font-data);
}

.page-about .profile-timeline__detail {
  padding: 0 20px 20px;
}

.page-about .profile-timeline__detail p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-muted);
  border-left: 2px solid var(--c-green);
  padding-left: 12px;
}

/* ========== 技术能力 ========== */
.page-about .profile-tech {
  position: relative;
}

.page-about .profile-tech__grid {
  display: grid;
  gap: 40px;
  align-items: center;
}

.page-about .profile-tech__intro {
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-about .profile-tech__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-about .profile-tech__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px;
  background: rgba(13, 42, 74, 0.55);
  border-left: 3px solid var(--c-edge);
  transition: border-color var(--transition), background var(--transition);
}

.page-about .profile-tech__item:hover {
  border-left-color: var(--c-orange);
  background: rgba(28, 58, 110, 0.45);
}

.page-about .profile-tech__num {
  font-family: var(--font-data);
  font-size: 14px;
  color: var(--c-orange);
  font-weight: 700;
  flex: 0 0 auto;
  padding-top: 2px;
}

.page-about .profile-tech__info h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--c-white);
  letter-spacing: 0.02em;
}

.page-about .profile-tech__info p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-about .profile-tech__figure {
  margin: 0;
}

.page-about .profile-tech__media {
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  border: 1px solid var(--c-edge);
}

.page-about .profile-tech__media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.page-about .profile-tech figure figcaption {
  margin-top: 14px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.1em;
  text-align: right;
}

/* ========== 湖北本地化 ========== */
.page-about .profile-local {
  position: relative;
  padding: 64px 0;
}

.page-about .profile-local::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 220px;
  background: linear-gradient(transparent, rgba(6, 18, 43, 0.6));
  pointer-events: none;
}

.page-about .profile-local__grid {
  display: grid;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.page-about .profile-local__figure {
  margin: 0;
}

.page-about .profile-local__media {
  position: relative;
  border: 1px solid var(--c-edge);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-about .profile-local__media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.page-about .profile-local figure figcaption {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.08em;
}

.page-about .profile-local__text {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-about .profile-local__coords {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  padding: 12px 16px;
  background: var(--c-darker);
  border-radius: var(--radius);
  width: fit-content;
}

.page-about .profile-local__coord {
  font-family: var(--font-data);
  font-size: 14px;
  color: var(--c-green);
  letter-spacing: 0.06em;
}

.page-about .profile-local__coord-sep {
  color: var(--c-edge);
}

.page-about .profile-local__coord-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-orange);
  margin-left: 6px;
  animation: profile-pulse 2.4s infinite;
}

.page-about .profile-local__contact {
  display: grid;
  gap: 10px;
}

.page-about .profile-local__contact-line {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-white);
}

.page-about .profile-local__contact-line span {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.06em;
  padding-top: 2px;
}

/* ========== 下一步 CTA ========== */
.page-about .profile-next {
  position: relative;
}

.page-about .profile-next__inner {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--c-edge);
  background: linear-gradient(135deg, var(--c-darker) 0%, var(--c-card) 100%);
  padding: 48px 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
}

.page-about .profile-next__inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 160px;
  height: 4px;
  background: linear-gradient(90deg, var(--c-orange), var(--c-green));
}

.page-about .profile-next__copy p:not(.section__tag) {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
  margin: 0;
}

.page-about .profile-next__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1.25;
  color: var(--c-white);
}

.page-about .profile-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ========== 动画 ========== */
@keyframes profile-pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.55;
    transform: scale(0.82);
  }
}

/* ========== 响应式 ≥768px ========== */
@media (min-width: 768px) {
  .page-about .profile-hero {
    padding: 64px 0 96px;
  }

  .page-about .profile-hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 56px;
    align-items: center;
  }

  .page-about .profile-hero__title {
    font-size: 56px;
  }

  .page-about .profile-hero__lead {
    font-size: 22px;
  }

  .page-about .profile-who__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
    align-items: start;
  }

  .page-about .profile-who__stats {
    gap: 20px;
    grid-template-columns: 1fr 1fr;
    padding-top: 16px;
  }

  .page-about .profile-stat--offset {
    transform: translateY(32px);
  }

  .page-about .profile-timeline__item {
    flex-basis: 280px;
  }

  .page-about .profile-tech__grid {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
  }

  .page-about .profile-local__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 64px;
    align-items: center;
  }

  .page-about .profile-next__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 56px 48px;
  }

  .page-about .profile-next__actions {
    flex-direction: column;
    align-items: stretch;
    flex: 0 0 auto;
  }
}

/* ========== 响应式 ≥1024px ========== */
@media (min-width: 1024px) {
  .page-about .profile-hero {
    padding: 80px 0 112px;
  }

  .page-about .profile-hero__title {
    font-size: 64px;
  }

  .page-about .profile-hero__body {
    max-width: 540px;
  }

  .page-about .profile-who__stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .profile-timeline {
    padding: 80px 0;
  }

  .page-about .profile-local {
    padding: 80px 0;
  }

  .page-about .profile-next__inner {
    padding: 64px 64px;
  }

  .page-about .profile-next__title {
    font-size: 34px;
  }
}

/* ========== 无障碍：减弱动效 ========== */
@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}