.page-about {
  --about-rail: 208px;
  background: var(--ink);
  color: var(--fog);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 72px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero__band {
  position: absolute;
  top: -80px;
  right: -14%;
  width: 72%;
  height: 380px;
  background: linear-gradient(96deg, rgba(47, 124, 255, 0.44), rgba(255, 107, 44, 0.26) 56%, rgba(47, 191, 113, 0) 88%);
  transform: skewY(-6deg);
  pointer-events: none;
}

.page-about .about-hero__crumbs {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 40px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-about .about-hero__crumbs a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-about .about-hero__crumbs a:hover {
  color: var(--electric-soft);
  border-bottom-color: var(--electric);
}

.page-about .about-hero__grid {
  position: relative;
  display: grid;
  gap: 36px;
}

.page-about .about-hero__text h1 {
  margin: 16px 0 22px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.2vw, 70px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--fog);
  max-width: 16ch;
}

.page-about .about-hero__intro {
  max-width: 620px;
  margin: 0;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.88;
  color: rgba(242, 245, 248, 0.82);
}

.page-about .about-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 40px;
  margin: 32px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-about .about-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .about-hero__facts .stat-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--flame);
}

.page-about .about-hero__fact-label {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.page-about .about-hero__figure {
  margin: 0;
}

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

/* ---------- 主体分栏 ---------- */
.page-about .about-body {
  display: grid;
  gap: 44px;
  padding-top: 56px;
  padding-bottom: 96px;
}

.page-about .about-body > * {
  min-width: 0;
}

.page-about .about-rail__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--steel);
}

.page-about .about-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-about .about-rail__list::-webkit-scrollbar {
  display: none;
}

.page-about .about-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--fog);
  text-decoration: none;
  border: 1px solid var(--line);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease),
    background-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-about .about-rail__link:hover {
  border-color: var(--electric);
  background: rgba(47, 124, 255, 0.08);
  color: var(--electric-soft);
  transform: translateX(2px);
}

.page-about .about-rail__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--flame);
}

.page-about .about-narrative {
  display: grid;
  gap: 72px;
}

/* ---------- 章节外壳 ---------- */
.page-about .chapter {
  scroll-margin-top: 96px;
}

.page-about .chapter__head {
  margin-bottom: 24px;
}

.page-about .chapter__num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: rgba(47, 124, 255, 0.4);
}

.page-about .chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--fog);
  max-width: 26ch;
}

.page-about .chapter__body {
  display: grid;
  gap: 18px;
  max-width: 720px;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(242, 245, 248, 0.86);
}

.page-about .chapter__body p {
  margin: 0;
}

.page-about .chapter__body a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 177, 138, 0.45);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-about .chapter__body a:hover {
  color: var(--flame);
  border-bottom-color: var(--flame);
}

/* ---------- 场景列表 ---------- */
.page-about .scene-list {
  display: grid;
  gap: 1px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-about .scene-list li {
  padding: 20px 20px 20px 22px;
  background: var(--ink);
  border-left: 3px solid var(--electric);
  transition: background-color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-about .scene-list li:nth-child(1) {
  border-left-color: var(--grass);
}

.page-about .scene-list li:nth-child(2) {
  border-left-color: var(--electric);
}

.page-about .scene-list li:nth-child(3) {
  border-left-color: var(--clay);
}

.page-about .scene-list li:hover {
  background: var(--ink-2);
  padding-left: 28px;
}

.page-about .scene-list__tag {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-about .scene-list__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 245, 248, 0.84);
}

/* ---------- 时间线 ---------- */
.page-about .season-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}

.page-about .season-jump a {
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
  text-decoration: none;
  border: 1px solid var(--line);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-about .season-jump a:hover {
  color: var(--flame);
  border-color: var(--flame);
  background: rgba(255, 107, 44, 0.08);
}

.page-about .timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .timeline__item {
  position: relative;
  padding: 0 0 40px 28px;
  border-left: 1px solid var(--line);
  scroll-margin-top: 110px;
}

.page-about .timeline__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 12px;
  width: 9px;
  height: 9px;
  background: var(--electric);
}

.page-about .timeline__item:last-child::before {
  background: var(--flame);
}

.page-about .timeline__year {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: clamp(34px, 5.5vw, 54px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--fog);
}

.page-about .timeline__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--flame);
}

.page-about .timeline__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 245, 248, 0.78);
}

/* ---------- 团队 ---------- */
.page-about .team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .team-grid li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px 18px;
  background: var(--ink-2);
  transition: background-color 0.18s var(--ease);
}

.page-about .team-grid li:hover {
  background: #102A3E;
}

.page-about .team-grid__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--electric-soft);
}

.page-about .team-grid__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--steel);
}

.page-about .about-figure {
  margin: 32px 0 0;
}

/* ---------- 荣誉展签墙 ---------- */
.page-about .honor-panel {
  position: relative;
  margin-top: 36px;
  padding: clamp(24px, 4vw, 44px);
  padding-left: clamp(30px, 4.5vw, 52px);
  background: var(--fog);
  color: var(--ink);
}

.page-about .honor-panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: linear-gradient(180deg, var(--electric), var(--flame));
}

.page-about .honor-panel__title {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: #46586A;
}

.page-about .honor-wall {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .honor {
  padding: 16px 18px;
  background: #FFFFFF;
  border: 1px solid rgba(8, 24, 38, 0.14);
  outline: none;
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-about .honor:hover,
.page-about .honor:focus {
  border-color: var(--electric);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(8, 24, 38, 0.09);
}

.page-about .honor__year {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--clay);
}

.page-about .honor__label {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-about .honor__note {
  max-height: 0;
  margin: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 13px;
  line-height: 1.7;
  color: #46586A;
  transition: max-height 0.22s var(--ease), opacity 0.22s var(--ease), margin-top 0.22s var(--ease);
}

.page-about .honor:hover .honor__note,
.page-about .honor:focus .honor__note,
.page-about .honor:focus-within .honor__note {
  max-height: 220px;
  margin-top: 10px;
  opacity: 1;
}

/* ---------- 分类方法 ---------- */
.page-about .taxonomy {
  display: grid;
  gap: 1px;
  margin-top: 28px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .taxonomy__col {
  padding: 22px 20px;
  background: var(--ink-2);
}

.page-about .taxonomy__head {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel);
}

.page-about .taxonomy__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .taxonomy__tags li {
  padding: 5px 10px;
  font-size: 13px;
  color: var(--fog);
  border: 1px solid var(--line);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-about .taxonomy__tags li:hover {
  border-color: var(--electric);
  color: var(--electric-soft);
}

/* ---------- 收尾 ---------- */
.page-about .chapter--next {
  padding-top: 44px;
  border-top: 1px solid var(--line);
}

.page-about .chapter__lead {
  max-width: 620px;
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(242, 245, 248, 0.86);
}

.page-about .about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-contact {
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-contact li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-contact li:last-child {
  border-bottom: 0;
}

.page-about .about-contact__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-about .about-contact__val {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--fog);
  word-break: break-word;
}

.page-about .about-contact__val--text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
}

.page-about .about-contact__note {
  margin: 16px 0 0;
  max-width: 620px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--steel);
}

/* ---------- 响应式 ---------- */
@media (max-width: 719px) {
  .page-about .honor__note {
    max-height: none;
    margin-top: 10px;
    opacity: 1;
  }
}

@media (min-width: 640px) {
  .page-about .about-contact li {
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

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

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

@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 44px 0 88px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 56px;
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-about .about-body {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: 72px;
    padding-top: 72px;
    padding-bottom: 120px;
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 104px;
  }

  .page-about .about-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-rail__link {
    width: 100%;
    padding: 10px 12px;
    border: 0;
    border-left: 1px solid var(--line);
  }

  .page-about .about-rail__link:hover {
    transform: none;
    border-left-color: var(--electric);
    background: rgba(47, 124, 255, 0.08);
  }

  .page-about .about-narrative {
    gap: 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-rail__link,
  .page-about .scene-list li,
  .page-about .honor,
  .page-about .honor__note,
  .page-about .team-grid li {
    transition: none;
  }
}
<<<END>>>
