.page-about {
  background: var(--paper);
}

.page-about .wd-breadcrumb {
  padding-top: clamp(1rem, 2.6vw, 1.75rem);
}

/* ---------- 首屏：非对称双栏 ---------- */
.page-about .about-hero {
  padding-block: clamp(1.5rem, 3.5vw, 2.5rem) clamp(2.5rem, 6vw, 4.5rem);
}

.page-about .about-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: start;
}

.page-about .about-hero__lead .wd-h1 {
  margin-top: 0.55rem;
  font-size: clamp(2rem, 6vw, 3.35rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-about .about-hero__brand {
  color: var(--ink-700);
  box-shadow: inset 0 -0.3em 0 var(--amber-soft);
}

.page-about .about-hero__lede {
  margin: 1.25rem 0 0;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.95;
  color: var(--text-soft);
}

.page-about .about-hero__actions {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-about .about-facts {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--ink-700);
  box-shadow: var(--shadow-1);
  padding: clamp(1.1rem, 2.6vw, 1.6rem);
}

.page-about .about-facts__title {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--ink-500);
}

.page-about .about-facts__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.page-about .about-fact {
  display: grid;
  grid-template-columns: minmax(4.8rem, auto) minmax(0, 1fr);
  align-items: baseline;
  gap: 0.2rem 0.9rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--rule);
}

.page-about .about-fact:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-about .about-fact__num {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink-900);
  letter-spacing: -0.02em;
}

.page-about .about-fact__num sup {
  font-size: 0.62em;
  color: var(--amber);
  margin-left: 0.05em;
}

.page-about .about-fact__label {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-soft);
}

/* ---------- 通用章节头 ---------- */
.page-about .about-history,
.page-about .about-team,
.page-about .about-standard,
.page-about .about-return {
  border-top: 1px solid var(--rule);
}

.page-about .about-sechead {
  max-width: 46rem;
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}

.page-about .about-sechead .wd-h2 {
  margin-top: 0.45rem;
}

.page-about .about-sechead__text {
  margin: 1rem 0 0;
  font-size: 0.98rem;
  line-height: 1.95;
  color: var(--text-soft);
}

/* ---------- 年份分段 ---------- */
.page-about .about-era {
  display: grid;
  gap: 1.25rem;
}

.page-about .about-era__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule);
}

.page-about .about-era__list .wd-tabs__tab {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  min-width: 4.5rem;
}

.page-about .about-era__panel {
  max-width: 54rem;
  display: grid;
  gap: 0.4rem;
  padding-top: 0.25rem;
}

.page-about .about-era__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-about .about-era__panel .wd-h3 {
  margin: 0.15rem 0 0.35rem;
}

.page-about .about-era__panel > p {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.95;
  color: var(--text-soft);
}

.page-about .about-era__points {
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.page-about .about-era__points li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-about .about-era__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.42rem;
  height: 0.42rem;
  background: var(--teal);
}

/* ---------- 图片 ---------- */
.page-about .wd-figure {
  margin: 0;
}

.page-about .wd-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--rule);
  background: var(--paper-2);
}

.page-about .wd-figure__cap {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-about .about-history__figure {
  margin-top: clamp(2rem, 5vw, 3.25rem);
  max-width: 52rem;
}

/* ---------- 编辑委员会 ---------- */
.page-about .about-team__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3.25rem);
  align-items: start;
}

.page-about .about-team__roles {
  margin-top: 1.75rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-about .about-role {
  background: var(--mist);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--teal);
  padding: 1.05rem 1.15rem 1.2rem;
  transition: transform var(--fast) var(--ease), border-color var(--fast) var(--ease),
    box-shadow var(--fast) var(--ease);
}

.page-about .about-role:hover,
.page-about .about-role:focus-within {
  transform: translateY(-3px);
  border-top-color: var(--amber);
  box-shadow: var(--shadow-1);
}

.page-about .about-role .wd-h3 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
}

.page-about .about-role p {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-about .about-role__note {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--teal);
  opacity: 0.75;
  transition: opacity var(--fast) var(--ease), color var(--fast) var(--ease);
}

.page-about .about-role:hover .about-role__note,
.page-about .about-role:focus-within .about-role__note {
  opacity: 1;
  color: var(--amber);
}

.page-about .about-team__figure {
  max-width: 26rem;
}

/* ---------- 评测标准 ---------- */
.page-about .about-standard__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}

.page-about .about-standard__list .wd-list__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.3rem;
  padding-block: clamp(1.1rem, 3vw, 1.55rem);
  border-bottom: 1px solid var(--rule);
}

.page-about .about-standard__list .wd-list__num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-about .about-standard__list .wd-list__title {
  margin: 0;
  font-size: 1.08rem;
}

.page-about .about-standard__list .wd-list__text {
  margin: 0.3rem 0 0;
  font-size: 0.93rem;
  line-height: 1.9;
  color: var(--text-soft);
  max-width: 62ch;
}

.page-about .about-standard__figure {
  margin-top: clamp(2rem, 5vw, 3rem);
  max-width: 52rem;
}

/* ---------- 回访三步 ---------- */
.page-about .about-return__timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-return__timeline .wd-timeline__item {
  padding-bottom: clamp(1.25rem, 3vw, 1.85rem);
}

.page-about .about-return__timeline .wd-list__text {
  margin: 0.4rem 0 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--text-soft);
  max-width: 58ch;
}

.page-about .about-return__stats {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.page-about .about-stat {
  background: var(--paper);
  padding: 1.15rem 1.2rem 1.3rem;
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink-700);
  letter-spacing: -0.01em;
}

.page-about .about-stat__label {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.81rem;
  line-height: 1.65;
  color: var(--text-soft);
}

.page-about .about-return__aside {
  margin: 1.6rem 0 0;
  max-width: 62ch;
  font-size: 0.94rem;
  line-height: 1.9;
  color: var(--text-soft);
}

.page-about .about-return__aside a {
  color: var(--ink-500);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--fast) var(--ease);
}

.page-about .about-return__aside a:hover {
  color: var(--amber);
}

.page-about .about-quote {
  margin: clamp(2.5rem, 6vw, 4rem) 0 0;
  padding: clamp(1.75rem, 4vw, 2.75rem) clamp(1.25rem, 4vw, 2.5rem);
  background: var(--ink-900);
  border-left: 4px solid var(--amber);
}

.page-about .about-quote p {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.8vw, 2.05rem);
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-about .about-quote cite {
  display: block;
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--amber-soft);
}

/* ---------- 收束行动区 ---------- */
.page-about .about-cta {
  border-top: 1px solid var(--rule);
}

.page-about .about-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: center;
}

.page-about .about-cta__text .wd-h2 {
  margin: 0 0 0.25rem;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-about .about-team__roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 720px) {
  .page-about .about-standard__list .wd-list__item {
    grid-template-columns: 4.5rem minmax(0, 1fr);
    column-gap: 1.5rem;
    align-items: start;
  }

  .page-about .about-standard__list .wd-list__num {
    grid-column: 1;
    grid-row: 1 / span 2;
    padding-top: 0.35rem;
  }

  .page-about .about-standard__list .wd-list__title {
    grid-column: 2;
  }

  .page-about .about-standard__list .wd-list__text {
    grid-column: 2;
  }
}

@media (min-width: 880px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: clamp(2.5rem, 6vw, 5rem);
  }

  .page-about .about-team__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: clamp(2.5rem, 6vw, 4.5rem);
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 3rem;
  }

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

@media (min-width: 1100px) {
  .page-about .about-team__roles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

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