.page-about {
  position: relative;
  display: block;
  --about-line: rgba(30, 70, 52, 0.7);
  --about-line-soft: rgba(30, 70, 52, 0.42);
}

/* ---------- 面包屑 ---------- */
.page-about .breadcrumb {
  padding-top: var(--s4);
}

.page-about .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s1);
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--f-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.page-about .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: var(--s1);
}

.page-about .breadcrumb li + li::before {
  content: "/";
  color: var(--c-pitch-dark);
}

.page-about .breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
}

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  color: var(--c-glow);
}

.page-about .breadcrumb [aria-current="page"] {
  color: var(--c-glow);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: var(--s5) 0 var(--s6);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -28%;
  right: -22%;
  width: 82%;
  height: 148%;
  background: linear-gradient(156deg, var(--c-pitch) 0%, var(--c-pitch-dark) 46%, rgba(7, 19, 15, 0) 80%);
  clip-path: polygon(42% 0, 100% 0, 100% 100%, 0 60%);
  opacity: 0.42;
  z-index: -1;
  pointer-events: none;
}

.page-about .about-hero__grid {
  display: grid;
  gap: var(--s5);
  align-items: center;
}

.page-about .about-hero__copy .t-label {
  display: inline-block;
  margin: 0 0 var(--s3);
  padding: 5px 10px;
  border: 1px solid var(--about-line);
  border-left: 3px solid var(--c-signal);
  border-radius: var(--r-sm);
  color: var(--c-glow);
  background: rgba(14, 33, 26, 0.68);
}

.page-about .about-hero__copy h1 {
  margin: 0 0 var(--s3);
  max-width: 18ch;
}

.page-about .about-hero__copy .t-lead {
  margin: 0 0 var(--s4);
  max-width: 58ch;
  color: var(--text-dim);
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--s3);
  margin: 0;
  padding-top: var(--s3);
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-hero__facts > div {
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
  min-width: 0;
}

.page-about .about-hero__facts dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.page-about .about-hero__facts .num {
  font-family: var(--f-data);
  font-size: clamp(30px, 7vw, 44px);
  font-weight: 600;
  line-height: 1;
  color: var(--c-glow);
}

.page-about .about-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--about-line);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--c-ink);
  box-shadow: 12px 12px 0 rgba(14, 33, 26, 0.9);
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-about .about-hero__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 12px;
  font-family: var(--f-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-paper);
  background: rgba(7, 19, 15, 0.82);
  border-top: 1px solid var(--about-line);
  border-right: 1px solid var(--about-line);
}

/* ---------- 通用区块 ---------- */
.page-about .about-section {
  position: relative;
  padding: var(--s5) 0;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-section__head {
  max-width: 70ch;
  margin-bottom: var(--s5);
}

.page-about .about-section__head .t-label {
  display: block;
  margin: 0 0 var(--s2);
  color: var(--c-glow);
}

.page-about .about-section__head h2 {
  margin: 0 0 var(--s3);
}

.page-about .about-section__head p {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.75;
}

.page-about .t-card {
  margin: 0 0 var(--s2);
}

/* ---------- 时间轴 ---------- */
.page-about .about-timeline {
  position: relative;
  display: grid;
  gap: var(--s5);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-pitch) 0%, var(--c-pitch-dark) 55%, rgba(30, 70, 52, 0) 100%);
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 52px;
}

.page-about .about-timeline__item .index-num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--c-pitch);
  background: var(--bg);
  font-family: var(--f-data);
  font-size: 12px;
  font-weight: 600;
  color: var(--c-glow);
  letter-spacing: 0.02em;
}

.page-about .about-timeline__body {
  padding: var(--s3);
  border: 1px solid var(--about-line);
  border-left: 3px solid var(--c-pitch);
  border-radius: var(--r);
  background: var(--c-ink);
}

.page-about .about-timeline__year {
  display: block;
  margin-bottom: 6px;
  font-family: var(--f-data);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--c-signal);
}

.page-about .about-timeline__body p {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.75;
}

/* ---------- 团队 ---------- */
.page-about .about-team-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s3);
  margin-bottom: var(--s5);
  padding-bottom: var(--s3);
  border-bottom: 1px solid var(--about-line-soft);
}

.page-about .about-team-toolbar__hint {
  margin: 0;
  font-family: var(--f-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.page-about .about-team-toolbar__hint .num {
  color: var(--c-glow);
}

.page-about .about-team {
  display: grid;
  gap: var(--s3);
  grid-template-columns: 1fr;
}

.page-about .about-role {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--s2);
  padding: var(--s4) var(--s3) var(--s3);
  border: 1px solid var(--about-line);
  border-radius: var(--r);
  background: linear-gradient(180deg, var(--c-stack) 0%, var(--c-ink) 100%);
  overflow: hidden;
  transition: border-color 240ms var(--ease), transform 240ms var(--ease);
}

.page-about .about-role::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-pitch) 0%, var(--c-glow) 100%);
  opacity: 0.7;
}

.page-about .about-role:hover {
  border-color: var(--c-pitch);
  transform: translateY(-3px);
}

.page-about .about-role__count {
  font-family: var(--f-data);
  font-size: clamp(36px, 8vw, 52px);
  font-weight: 600;
  line-height: 0.9;
  color: var(--c-glow);
}

.page-about .about-role p {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.75;
  font-size: 15px;
}

/* ---------- 内容流程 ---------- */
.page-about .about-flow__layout {
  display: grid;
  gap: var(--s5);
  align-items: start;
}

.page-about .about-flow {
  display: grid;
  gap: var(--s3);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-about .about-flow__step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--s3);
  padding: var(--s3) 0;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-flow__step:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-flow__num {
  font-family: var(--f-data);
  font-size: 22px;
  font-weight: 600;
  color: var(--c-pitch);
  line-height: 1.2;
}

.page-about .about-flow__step p {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.75;
}

.page-about .about-flow__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--about-line);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--c-ink);
  box-shadow: -10px 10px 0 rgba(14, 33, 26, 0.9);
}

.page-about .about-flow__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-about .about-flow__caption {
  padding: 10px var(--s3);
  border-top: 1px solid var(--about-line);
  font-family: var(--f-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  background: var(--c-ink);
}

/* ---------- 档案表 ---------- */
.page-about .about-table-wrap {
  border: 1px solid var(--about-line);
  border-radius: var(--r);
  overflow-x: auto;
  background: var(--c-ink);
}

.page-about .about-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-about .about-table th,
.page-about .about-table td {
  padding: var(--s3);
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--about-line-soft);
  line-height: 1.7;
}

.page-about .about-table thead th {
  font-family: var(--f-data);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--c-glow);
  background: var(--c-stack);
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-table tbody th {
  width: 18%;
  color: var(--c-paper);
  font-weight: 600;
  border-left: 3px solid var(--c-pitch);
}

.page-about .about-table tbody td {
  color: var(--text-dim);
}

.page-about .about-table tbody tr:last-child th,
.page-about .about-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-about .about-archive__note {
  margin: var(--s4) 0 0;
  padding-left: var(--s3);
  border-left: 3px solid var(--c-signal);
  color: var(--text-dim);
  line-height: 1.75;
}

/* ---------- 赛季节奏 ---------- */
.page-about .about-season {
  display: grid;
  gap: var(--s3);
  margin: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: 1fr;
}

.page-about .about-season__phase {
  padding: var(--s4) var(--s3);
  border: 1px solid var(--about-line);
  border-radius: var(--r);
  background: var(--c-ink);
  display: flex;
  flex-direction: column;
  gap: var(--s2);
}

.page-about .about-season__tag {
  align-self: flex-start;
}

.page-about .about-season__phase p {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.75;
  font-size: 15px;
}

/* ---------- 合作与荣誉 ---------- */
.page-about .about-honor {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-honor__bg {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}

.page-about .about-honor__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.13;
}

.page-about .about-honor__inner {
  position: relative;
  z-index: 1;
}

.page-about .about-honor__grid {
  display: grid;
  gap: var(--s3);
  grid-template-columns: 1fr;
}

.page-about .about-stamp {
  position: relative;
  padding: var(--s4) var(--s3) var(--s3);
  border: 1px solid var(--c-pitch-dark);
  border-radius: var(--r);
  background: var(--c-paper);
  color: #0E211A;
}

.page-about .about-stamp h3 {
  color: #07130F;
}

.page-about .about-stamp p {
  margin: 0;
  color: #264936;
  line-height: 1.75;
  font-size: 15px;
}

.page-about .about-stamp__mark {
  display: inline-block;
  margin-bottom: var(--s3);
  padding: 4px 10px;
  border: 1px dashed var(--c-pitch);
  border-radius: var(--r-sm);
  font-family: var(--f-data);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--c-pitch);
  text-transform: uppercase;
}

/* ---------- 下一步与 CTA ---------- */
.page-about .about-next__list {
  display: grid;
  gap: 0;
  margin: 0 0 var(--s5);
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-next__list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: var(--s3);
  align-items: start;
  padding: var(--s3) 0;
  border-bottom: 1px solid var(--about-line-soft);
}

.page-about .about-next__idx {
  font-family: var(--f-data);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-signal);
  padding-top: 3px;
}

.page-about .about-next__list p {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.75;
}

.page-about .about-cta {
  display: grid;
  gap: var(--s4);
  padding: var(--s4) var(--s3);
  border: 1px solid var(--about-line);
  border-left: 3px solid var(--c-signal);
  border-radius: var(--r);
  background: linear-gradient(120deg, var(--c-stack) 0%, var(--c-ink) 100%);
}

.page-about .about-cta__text h3 {
  margin: 0 0 var(--s2);
}

.page-about .about-cta__text p {
  margin: 0;
  max-width: 60ch;
  color: var(--text-dim);
  line-height: 1.75;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
}

.page-about .about-cta__actions .btn {
  text-decoration: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-about .about-team {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-season {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-honor__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-cta {
    padding: var(--s5);
  }
}

@media (min-width: 960px) {
  .page-about .about-hero {
    padding: var(--s6) 0 var(--s6);
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: var(--s6);
  }

  .page-about .about-flow__layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: var(--s6);
  }

  .page-about .about-flow__media {
    position: sticky;
    top: var(--s5);
  }

  .page-about .about-archive-section .about-section__head {
    max-width: 60ch;
  }

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

  .page-about .about-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1080px) {
  .page-about .about-team {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-honor__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-about .about-timeline {
    gap: var(--s4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-role {
    transition: none;
  }

  .page-about .about-role:hover {
    transform: none;
  }
}