.page-about {
  --about-line-soft: rgba(38, 50, 95, 0.75);
  --about-glow: radial-gradient(circle at 18% 12%, rgba(123, 92, 255, 0.16), transparent 58%);
}

.page-about .breadcrumbs {
  margin-top: 18px;
}

/* 首屏：坐标索引 + 主题声明 */
.page-about .about-hero {
  padding-top: clamp(26px, 4vw, 52px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-about .about-index {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-about .about-index__item {
  border-top: 1px solid var(--line);
}

.page-about .about-index__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-about .about-index__item a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 10px 2px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color 200ms var(--ease), padding-left 200ms var(--ease);
}

.page-about .about-index__item a:hover,
.page-about .about-index__item a:focus-visible {
  color: var(--text);
  padding-left: 6px;
}

.page-about .about-index__no {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-about .about-hero__body .display {
  font-size: clamp(30px, 5.2vw, 60px);
  line-height: 1.14;
  letter-spacing: 0.02em;
  margin: 0;
}

.page-about .about-hero__body .lede {
  margin-top: 20px;
  max-width: 62ch;
}

.page-about .facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.page-about .facts__item {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-about .facts__num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(22px, 3.2vw, 30px);
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-about .facts__label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--muted);
}

/* 通用章节头微调 */
.page-about .panel__idx {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--dim);
}

.page-about .lede--tight {
  margin-top: 14px;
  max-width: 66ch;
}

/* 01 团队 */
.page-about .crew__main p {
  max-width: 66ch;
}

.page-about .roster {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .roster__row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.page-about .roster__label {
  font-size: 13px;
  color: var(--muted);
}

.page-about .roster__bar {
  display: block;
  height: 8px;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: var(--panel);
  overflow: hidden;
}

.page-about .roster__fill {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, rgba(123, 92, 255, 0.85), rgba(242, 193, 78, 0.9));
}

.page-about .roster__row:nth-child(1) .roster__fill { width: 100%; }
.page-about .roster__row:nth-child(2) .roster__fill { width: 52%; }
.page-about .roster__row:nth-child(3) .roster__fill { width: 59%; }
.page-about .roster__row:nth-child(4) .roster__fill { width: 38%; }

.page-about .roster__num {
  font-size: 15px;
  color: var(--gold);
  min-width: 2.4em;
  text-align: right;
}

.page-about .crew__note {
  margin-top: 20px;
  font-size: 14px;
  max-width: 62ch;
}

.page-about .crew__figure {
  margin: 26px 0 0;
}

.page-about .crew__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
}

.page-about .crew__caption,
.page-about .records__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
}

/* 02 时间线 */
.page-about .timeline {
  list-style: none;
  margin: 30px 0 0;
  padding: 0 0 0 28px;
  position: relative;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 18px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), rgba(123, 92, 255, 0.5) 55%, transparent);
}

.page-about .tl {
  position: relative;
  padding-bottom: 28px;
  max-width: 70ch;
}

.page-about .tl::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 8px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(242, 193, 78, 0.14);
}

.page-about .tl--latest::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(40, 224, 200, 0.16);
}

.page-about .tl__year {
  font-size: 20px;
  letter-spacing: 0.06em;
  color: var(--gold);
  display: block;
}

.page-about .tl--latest .tl__year {
  color: var(--cyan);
}

.page-about .tl__title {
  margin: 6px 0 8px;
  font-size: 18px;
  color: var(--text);
  transition: color 200ms var(--ease);
}

.page-about .tl:hover .tl__title {
  color: var(--gold);
}

.page-about .tl--latest:hover .tl__title {
  color: var(--cyan);
}

.page-about .tl__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .tl .fold {
  margin-top: 10px;
}

.page-about .timeline__figure {
  margin: 26px 0 0;
}

.page-about .timeline__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
}

/* 03 记录查询 */
.page-about .records {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
  align-items: start;
}

.page-about .records__body p {
  max-width: 64ch;
}

.page-about .filters {
  margin-top: 26px;
  display: grid;
  gap: 14px;
}

.page-about .filters__row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-about .filters__key {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--dim);
}

.page-about .filters__opts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .chip {
  font-size: 13px;
  line-height: 1.4;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--muted);
  background: var(--float);
}

.page-about .chip--on {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(40, 224, 200, 0.08);
}

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

.page-about .records__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
}

/* 04 稳定运行 */
.page-about .security {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-about .security__figure {
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--about-glow), var(--panel);
}

.page-about .rings {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 0 auto;
}

.page-about .security__body p {
  max-width: 64ch;
}

.page-about .ledger {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .ledger__item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .ledger__key {
  font-size: 22px;
  color: var(--violet);
  letter-spacing: 0.04em;
}

.page-about .ledger__val {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
}

/* 05 服务覆盖 */
.page-about .coverage {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-about .coverage__body p {
  max-width: 64ch;
}

.page-about .coverage__list {
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .coverage__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .coverage__row dt {
  font-size: 15px;
  color: var(--text);
}

.page-about .coverage__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .coverage__note {
  margin-top: 22px;
  font-size: 13px;
  line-height: 1.8;
}

.page-about .coverage__map {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--about-glow), var(--panel);
  padding: 20px;
}

.page-about .dotmap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 6px 0 16px;
}

.page-about .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(40, 224, 200, 0.22);
  border: 1px solid rgba(40, 224, 200, 0.35);
}

.page-about .dot--live {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 10px rgba(40, 224, 200, 0.7);
}

.page-about .dotmap__caption {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-about .dotmap__num {
  font-size: 20px;
  color: var(--gold);
  margin-right: 6px;
}

/* 06 成果 */
.page-about .honors {
  margin-top: 24px;
}

.page-about .award-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .award-list__item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .award-list__k {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-about .award-list__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 66ch;
}

/* 下一步 */
.page-about .about-next__inner {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--about-glow), var(--float);
  padding: clamp(22px, 3.4vw, 40px);
  display: grid;
  gap: 24px;
}

.page-about .about-next__title {
  margin: 12px 0 10px;
  font-size: clamp(22px, 3vw, 32px);
  color: var(--text);
}

.page-about .about-next__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 60ch;
}

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

/* 分段切换的本地微调 */
.page-about .tabs__list {
  gap: 8px;
}

.page-about .tabs__panel {
  padding: 18px 0 0;
}

.page-about .tabs__panel p {
  margin: 0;
  max-width: 66ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

/* 响应式 */
@media (min-width: 720px) {
  .page-about .facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .filters__row {
    grid-template-columns: 64px minmax(0, 1fr);
  }
}

@media (min-width: 980px) {
  .page-about .about-hero__grid {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .page-about .about-index {
    margin-top: 26px;
  }

  .page-about .records,
  .page-about .security,
  .page-about .coverage {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-about .security__figure {
    order: 2;
  }

  .page-about .about-next__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: center;
  }

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

@media (min-width: 1180px) {
  .page-about .records,
  .page-about .security,
  .page-about .coverage {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-index__item a,
  .page-about .tl__title {
    transition: none;
  }
}
</final>

.page-about {
  --about-line-soft: rgba(38, 50, 95, 0.75);
  --about-glow: radial-gradient(circle at 20% 12%, rgba(123, 92, 255, 0.16), transparent 58%);
}

.page-about .breadcrumbs {
  margin-top: 18px;
}

/* 首屏：坐标索引 + 主题声明 */
.page-about .about-hero {
  padding-top: clamp(26px, 4vw, 52px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-about .about-index {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-about .about-index__item {
  border-top: 1px solid var(--line);
}

.page-about .about-index__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-about .about-index__item a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 10px 0;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color 200ms var(--ease), padding-left 200ms var(--ease);
}

.page-about .about-index__item a:hover,
.page-about .about-index__item a:focus-visible {
  color: var(--text);
  padding-left: 6px;
}

.page-about .about-index__no {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-about .display {
  font-size: clamp(30px, 5.4vw, 62px);
  line-height: 1.14;
  margin: 0;
}

.page-about .lede {
  margin: 20px 0 0;
  max-width: 62ch;
}

.page-about .facts {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.page-about .facts__item {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-about .facts__num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(22px, 3.2vw, 30px);
  color: var(--gold);
  letter-spacing: 0.02em;
}

.page-about .facts__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
}

/* 01 团队 */
.page-about .crew__main p {
  max-width: 64ch;
}

.page-about .roster {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .roster__row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.page-about .roster__label {
  font-size: 13px;
  color: var(--muted);
}

.page-about .roster__bar {
  display: block;
  height: 8px;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: var(--panel);
  overflow: hidden;
}

.page-about .roster__fill {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, rgba(123, 92, 255, 0.85), rgba(242, 193, 78, 0.9));
}

.page-about .roster__row:nth-child(1) .roster__fill { width: 100%; }
.page-about .roster__row:nth-child(2) .roster__fill { width: 52%; }
.page-about .roster__row:nth-child(3) .roster__fill { width: 59%; }
.page-about .roster__row:nth-child(4) .roster__fill { width: 38%; }

.page-about .roster__num {
  font-size: 15px;
  color: var(--gold);
  min-width: 2.4em;
  text-align: right;
}

.page-about .crew__note {
  margin-top: 22px;
  font-size: 14px;
  max-width: 62ch;
}

.page-about .crew__figure {
  margin: 26px 0 0;
}

.page-about .crew__figure img,
.page-about .timeline__figure img,
.page-about .records__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
}

.page-about .crew__caption,
.page-about .records__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
}

.page-about .tabs {
  margin-top: 28px;
}

.page-about .tabs__panel {
  padding: 16px 0 0;
}

.page-about .tabs__panel p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* 02 版本足迹 */
.page-about .lede--tight {
  margin-top: 14px;
  max-width: 66ch;
}

.page-about .timeline {
  list-style: none;
  margin: 30px 0 0;
  padding: 0 0 0 28px;
  position: relative;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 20px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), rgba(123, 92, 255, 0.45) 60%, transparent);
}

.page-about .tl {
  position: relative;
  padding-bottom: 26px;
  max-width: 70ch;
}

.page-about .tl::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 8px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(242, 193, 78, 0.14);
}

.page-about .tl--latest::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(40, 224, 200, 0.16);
}

.page-about .tl__year {
  display: block;
  font-size: 20px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-about .tl--latest .tl__year {
  color: var(--cyan);
}

.page-about .tl__title {
  margin: 6px 0 8px;
  font-size: 18px;
  color: var(--text);
  transition: color 200ms var(--ease);
}

.page-about .tl:hover .tl__title,
.page-about .tl:focus-within .tl__title {
  color: var(--gold);
}

.page-about .tl--latest:hover .tl__title,
.page-about .tl--latest:focus-within .tl__title {
  color: var(--cyan);
}

.page-about .tl__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .tl .fold {
  margin-top: 12px;
}

.page-about .timeline__figure {
  margin: 26px 0 0;
}

/* 03 记录查询 */
.page-about .records {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-about .records__body p {
  max-width: 64ch;
}

.page-about .filters {
  margin-top: 26px;
  display: grid;
  gap: 14px;
}

.page-about .filters__row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-about .filters__key {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--dim);
}

.page-about .filters__opts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .chip {
  font-size: 13px;
  line-height: 1.4;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--muted);
  background: var(--float);
}

.page-about .chip--on {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(40, 224, 200, 0.08);
}

.page-about .filters__opts .tag {
  padding: 5px 12px;
  border-radius: 99px;
  font-size: 12px;
  letter-spacing: 0.08em;
}

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

/* 04 稳定运行 */
.page-about .security {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-about .security__figure {
  margin: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--about-glow), var(--panel);
}

.page-about .rings {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 0 auto;
}

.page-about .security__body p {
  max-width: 64ch;
}

.page-about .ledger {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .ledger__item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .ledger__key {
  font-family: var(--mono);
  font-size: 22px;
  color: var(--violet);
  letter-spacing: 0.04em;
}

.page-about .ledger__val {
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* 05 服务覆盖 */
.page-about .coverage {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-about .coverage__body p {
  max-width: 64ch;
}

.page-about .coverage__list {
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .coverage__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .coverage__row dt {
  font-size: 15px;
  color: var(--text);
}

.page-about .coverage__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .coverage__note {
  margin-top: 22px;
  font-size: 13px;
  line-height: 1.8;
}

.page-about .coverage__map {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--about-glow), var(--panel);
}

.page-about .dotmap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 6px 0 16px;
}

.page-about .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(40, 224, 200, 0.2);
  border: 1px solid rgba(40, 224, 200, 0.35);
  transition: transform 200ms var(--ease);
}

.page-about .dot--live {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 10px rgba(40, 224, 200, 0.65);
}

.page-about .dot--live:hover {
  transform: scale(1.6);
}

.page-about .dotmap__caption {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

.page-about .dotmap__num {
  font-size: 20px;
  color: var(--gold);
  margin-right: 6px;
}

/* 06 运营成果 */
.page-about .honors {
  margin-top: 26px;
}

.page-about .award-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .award-list__item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .award-list__k {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-about .award-list__item p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* 下一步 */
.page-about .about-next__inner {
  display: grid;
  gap: 24px;
  padding: clamp(22px, 3.4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--about-glow), var(--float);
}

.page-about .about-next__title {
  margin: 12px 0 10px;
  font-size: clamp(22px, 3vw, 32px);
  color: var(--text);
}

.page-about .about-next__text {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

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

/* 窄屏与响应式 */
@media (max-width: 480px) {
  .page-about .roster__row {
    grid-template-columns: 76px minmax(0, 1fr) auto;
    gap: 10px;
  }

  .page-about .filters__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .page-about .ledger__item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 10px;
  }
}

@media (min-width: 720px) {
  .page-about .facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .filters__row {
    grid-template-columns: 64px minmax(0, 1fr);
  }
}

@media (min-width: 980px) {
  .page-about .about-hero__grid {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .page-about .about-index {
    margin-top: 26px;
  }

  .page-about .records,
  .page-about .security,
  .page-about .coverage {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }

  .page-about .security__figure {
    order: 2;
  }

  .page-about .about-next__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: center;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about .about-index__item a,
  .page-about .tl__title,
  .page-about .dot {
    transition: none;
  }
}