.page-about {
  --ab-pad: clamp(16px, 3.6vw, 48px);
  --ab-gap: clamp(24px, 3.4vw, 48px);
  display: block;
  background: var(--c-ink);
  color: var(--c-paper);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

.page-about .wrap {
  padding-inline: var(--ab-pad);
  box-sizing: border-box;
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumbs-row {
  padding-block: 22px 0;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding-block: clamp(20px, 4vw, 44px) clamp(36px, 5.6vw, 78px);
  overflow: hidden;
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(242, 169, 59, .07) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, rgba(242, 169, 59, .05) 0 1px, transparent 1px 100%);
  background-size: 78px 78px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 76%);
}
.page-about .about-hero > * {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7vw, 82px);
  line-height: 1.03;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
  color: var(--c-paper);
  max-width: 16ch;
}

.page-about .about-hero__lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.85;
  color: rgba(232, 237, 234, .88);
}

.page-about .about-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(28px, 5vw, 52px) 0 0;
  padding: 0;
  background: var(--line-soft);
  border: 1px solid var(--line);
}
.page-about .about-fact {
  background: var(--c-ink);
  padding: 14px 14px 16px;
  margin: 0;
  min-width: 0;
}
.page-about .about-fact__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-mist);
  margin: 0 0 8px;
}
.page-about .about-fact__v {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1;
  color: var(--c-amber);
}

/* ---------- 通用章节 ---------- */
.page-about .about-sec {
  padding-block: clamp(40px, 6vw, 88px);
  border-top: 1px solid var(--line-soft);
}

.page-about .about-sec__head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(22px, 3.4vw, 40px);
  max-width: 72ch;
}
.page-about .about-sec__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--c-amber);
}
.page-about .about-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.8vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}
.page-about .about-sec__note {
  margin: 6px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-mist);
  max-width: 62ch;
}

.page-about .about-sec__grid {
  display: grid;
  gap: var(--ab-gap);
}

/* ---------- 正文 ---------- */
.page-about .about-body p {
  margin: 0 0 1.05em;
  font-size: 17px;
  line-height: 1.9;
  color: rgba(232, 237, 234, .9);
  max-width: 66ch;
}
.page-about .about-body p:last-child {
  margin-bottom: 0;
}

.page-about .a-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--c-amber);
}

/* ---------- 侧栏 / 边注 ---------- */
.page-about .about-sec__side {
  min-width: 0;
}
.page-about .about-note {
  border-left: 2px solid var(--c-moss);
  padding: 2px 0 2px 16px;
  margin-top: 26px;
}
.page-about .about-note:first-child {
  margin-top: 0;
}
.page-about .about-note__head {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-mist);
}
.page-about .about-note__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}
.page-about .about-note__item {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
}
.page-about .about-note__k {
  color: var(--c-mist);
}
.page-about .about-note__v {
  color: var(--c-paper);
  overflow-wrap: anywhere;
}

/* ---------- 图像 ---------- */
.page-about .about-figure {
  margin: 0;
  min-width: 0;
}
.page-about .about-figure .media__frame {
  background: var(--c-green-mid);
  border: 1px solid var(--line);
  overflow: hidden;
}
.page-about .about-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-about .about-figure .media__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--c-mist);
}
.page-about .about-figure--square {
  margin-top: clamp(28px, 4vw, 46px);
  max-width: 460px;
}
.page-about .about-figure--band {
  margin-top: clamp(30px, 4.6vw, 56px);
}

/* ---------- 条目字段 ---------- */
.page-about .about-fields {
  border-top: 1px solid var(--line);
}
.page-about .about-field {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  grid-template-areas:
    "id name"
    "id desc";
  gap: 2px 14px;
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--line-soft);
}
.page-about .about-field__id {
  grid-area: id;
  margin: 0;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--c-amber);
}
.page-about .about-field__name {
  grid-area: name;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: .01em;
  color: var(--c-paper);
}
.page-about .about-field__desc {
  grid-area: desc;
  margin: 7px 0 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(232, 237, 234, .84);
  max-width: 78ch;
}

/* ---------- 归档时钟 ---------- */
.page-about .about-clock {
  list-style: none;
  margin: clamp(30px, 4.4vw, 52px) 0 0;
  padding: 0 0 0 22px;
  border-left: 2px solid var(--line-strong);
  display: grid;
  gap: 20px;
}
.page-about .about-clock__item {
  position: relative;
  min-width: 0;
}
.page-about .about-clock__item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 6px;
  width: 8px;
  height: 8px;
  background: var(--c-mist);
  transition: background var(--t-mid) var(--ease), transform var(--t-mid) var(--ease);
}
.page-about .about-clock__item.is-visible::before {
  background: var(--c-amber);
  transform: scale(1.35);
}
.page-about .about-clock__t {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--c-paper);
}
.page-about .about-clock__d {
  display: block;
  margin-top: 5px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(232, 237, 234, .8);
  max-width: 62ch;
}

/* ---------- 覆盖结构 ---------- */
.page-about .about-cover-grid {
  display: grid;
  gap: var(--ab-gap);
  min-width: 0;
}
.page-about .about-tree {
  margin: 0;
  min-width: 0;
  padding: clamp(16px, 2.4vw, 26px);
  background: var(--c-charcoal);
  border: 1px solid var(--line);
}
.page-about .about-tree svg {
  display: block;
  width: 100%;
  height: auto;
  color: var(--c-moss);
}
.page-about .about-tree .tree-node rect {
  fill: var(--c-green-mid);
  stroke: var(--c-moss);
  stroke-width: 1;
}
.page-about .about-tree .tree-node text {
  fill: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 15px;
  text-anchor: middle;
}
.page-about .about-tree .tree-leaf rect {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1;
}
.page-about .about-tree .tree-leaf text {
  fill: var(--c-mist);
  font-family: var(--font-mono);
  font-size: 14px;
  text-anchor: middle;
}
.page-about .about-tree__cap {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 阶段 ---------- */
.page-about .about-stages {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}
.page-about .about-stage {
  position: relative;
  background: var(--c-sheet);
  color: var(--c-ink-black);
  border: 1px solid var(--c-ink-black);
  padding: 18px 18px 18px 64px;
  box-shadow: 3px 3px 0 rgba(78, 122, 107, .4);
}
.page-about .about-stage__no {
  position: absolute;
  left: 15px;
  top: 17px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: var(--c-ink-black);
  color: var(--c-amber);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
}
.page-about .about-stage__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--c-ink-black);
}
.page-about .about-stage__desc {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(16, 22, 20, .84);
}

/* ---------- 引用块 ---------- */
.page-about .about-quote {
  margin: 0;
  padding: 20px 20px 18px;
  background: var(--c-sheet);
  color: var(--c-ink-black);
  border: 1px solid var(--c-ink-black);
  box-shadow: 4px 4px 0 rgba(78, 122, 107, .34);
  transition: box-shadow var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.page-about .about-quote:hover {
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 rgba(242, 169, 59, .55);
}
.page-about .about-quote p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-ink-black);
}
.page-about .about-quote__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid rgba(16, 22, 20, .22);
}
.page-about .about-quote__cite {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: rgba(16, 22, 20, .7);
}
.page-about .about-quote__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 3px 9px;
  border: 1px solid var(--c-ink-black);
  color: var(--c-ink-black);
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.page-about .about-quote:hover .about-quote__tag {
  background: var(--c-ink-black);
  color: var(--c-amber);
}
.page-about .about-stage-note {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- 维护 ---------- */
.page-about .about-upkeep {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-about .about-upkeep__item {
  background: var(--c-ink);
  padding: 24px 18px 26px;
  min-width: 0;
}
.page-about .about-upkeep__no {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-amber);
}
.page-about .about-upkeep__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.25;
  color: var(--c-paper);
}
.page-about .about-upkeep__desc {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(232, 237, 234, .84);
  max-width: 56ch;
}

/* ---------- 继续查看 ---------- */
.page-about .about-next {
  padding-block: clamp(34px, 5vw, 72px) clamp(40px, 6vw, 88px);
  border-top: 1px solid var(--line);
}
.page-about .about-next__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.6vw, 28px);
  letter-spacing: -0.005em;
  color: var(--c-paper);
}
.page-about .about-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
}
.page-about .about-next__link {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: var(--c-ink);
  color: var(--c-paper);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.3;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  background: var(--c-green-mid);
  color: var(--c-amber);
}
.page-about .about-next__hint {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-about .about-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-upkeep {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-about .about-field {
    grid-template-columns: 60px 180px minmax(0, 1fr);
    grid-template-areas: "id name desc";
    align-items: baseline;
    gap: 0 20px;
    padding: 22px 0;
  }
  .page-about .about-field__desc {
    margin-top: 0;
  }
  .page-about .about-cover-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
  .page-about .about-next__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-about .about-sec--narrow .about-sec__grid {
    grid-template-columns: minmax(0, 1fr) minmax(272px, 340px);
    align-items: start;
  }
  .page-about .about-sec--narrow .about-note {
    margin-top: 0;
  }
  .page-about .about-stage {
    padding: 22px 22px 22px 76px;
  }
  .page-about .about-stage__no {
    left: 20px;
    top: 21px;
    width: 38px;
    height: 38px;
    font-size: 16px;
  }
}

@media (min-width: 1180px) {
  .page-about .about-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(30px, 3.6vw, 56px);
  }
  .page-about .about-field:nth-last-child(-n+2) {
    border-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-clock__item::before,
  .page-about .about-quote,
  .page-about .about-quote__tag,
  .page-about .about-next__link {
    transition: none;
  }
  .page-about .about-clock__item.is-visible::before {
    transform: none;
  }
  .page-about .about-quote:hover {
    transform: none;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>