/* ============================================================
   年鉴编纂室 /team/  ·  页面作用域 .page-about
   ============================================================ */

.page-about {
  --ab-quiet: #5E6C65;
  display: block;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.page-about a:hover,
.page-about a:focus-visible {
  border-bottom-color: var(--gold);
}

.page-about a:focus-visible,
.page-about summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ---------- 通用数据带 ---------- */

.page-about .ab-band {
  padding: 48px 0;
  border-top: 1px solid var(--rule);
}

.page-about .ab-band--ink {
  background: var(--ink);
  color: var(--paper);
}

.page-about .ab-band--ink2 {
  background: var(--ink-2);
  color: var(--paper);
}

.page-about .ab-band--paper {
  background: var(--paper-2);
  color: var(--ink);
}

.page-about .ab-band--last {
  padding-bottom: 64px;
}

/* ---------- 章节抬头 ---------- */

.page-about .ab-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-about .ab-eyebrow--dark {
  color: var(--brick);
}

.page-about .ab-head {
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gold);
}

.page-about .ab-head__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.28;
  letter-spacing: -.01em;
}

.page-about .ab-head__meta {
  margin: 10px 0 0;
  max-width: 62em;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ash);
}

.page-about .ab-head--dark .ab-head__meta {
  color: var(--ab-quiet);
}

/* ---------- 首屏 ---------- */

.page-about .ab-hero {
  background: var(--ink);
  padding: 28px 0 48px;
}

.page-about .ab-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-about .ab-crumb {
  margin-bottom: 28px;
}

.page-about .ab-crumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ash);
}

.page-about .ab-crumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--rule);
}

.page-about .ab-crumb__list li[aria-current="page"] {
  color: var(--gold-2);
}

.page-about .ab-h1 {
  margin: 0 0 20px;
  max-width: 15em;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(28px, 5.2vw, 46px);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-about .ab-hero__deck {
  margin: 0 0 32px;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ash-2);
}

.page-about .ab-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.page-about .ab-facts__item {
  background: var(--ink);
  padding: 12px 14px;
}

.page-about .ab-facts dt {
  margin-bottom: 4px;
  font-size: 12px;
  color: var(--ash);
}

.page-about .ab-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-about .ab-hero__scale {
  display: flex;
  justify-content: flex-start;
}

.page-about .ab-scale {
  display: block;
  width: 100%;
  max-width: 360px;
  height: auto;
}

.page-about .ab-scale__axis,
.page-about .ab-scale__tick {
  stroke: var(--rule);
  stroke-width: 1;
}

.page-about .ab-scale__node {
  fill: var(--gold);
}

.page-about .ab-scale__node--minor {
  fill: var(--rule);
}

.page-about .ab-scale__label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  fill: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-about .ab-scale__label--dim {
  fill: var(--ash);
}

/* ---------- 岗位 ---------- */

.page-about .ab-posts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--rule);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.page-about .ab-post {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "no name"
    "no duty"
    "no note";
  gap: 4px 14px;
  padding: 18px 16px;
  background: var(--ink-2);
  transition: background-color var(--dur) var(--ease);
}

.page-about .ab-post:hover {
  background-color: #17332A;
}

.page-about .ab-post__no {
  grid-area: no;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-about .ab-post__name {
  grid-area: name;
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
}

.page-about .ab-post__duty {
  grid-area: duty;
  margin: 0;
  max-width: 42em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ash-2);
}

.page-about .ab-post__note {
  grid-area: note;
  margin: 8px 0 0;
  max-width: 42em;
  font-size: 12px;
  line-height: 1.65;
  color: var(--ash);
}

.page-about .ab-note-tag {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 5px;
  border: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--ash);
  vertical-align: 1px;
}

/* ---------- 图版 ---------- */

.page-about .ab-figure {
  margin: 0;
  border: 1px solid var(--rule);
  background: var(--ink-2);
}

.page-about .ab-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-about .ab-figure--wide {
  margin-bottom: 44px;
}

.page-about .ab-figure--wide img {
  aspect-ratio: 16 / 9;
}

.page-about .ab-figure__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--rule);
  font-size: 12px;
  line-height: 1.65;
  color: var(--ash);
}

.page-about .ab-band--paper .ab-figure {
  border-color: var(--ash-2);
  background: var(--paper);
}

.page-about .ab-band--paper .ab-figure__cap {
  border-top-color: var(--ash-2);
  color: var(--ab-quiet);
}

/* ---------- 史卷长卷 ---------- */

.page-about .ab-scroll {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-about .ab-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--brick);
}

.page-about .ab-rail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--ash-2);
}

.page-about .ab-rail__list a {
  display: block;
  margin-left: -1px;
  padding: 8px 0 8px 14px;
  border-left: 2px solid transparent;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-about .ab-rail__list a:hover {
  border-left-color: var(--gold);
  background-color: rgba(201, 162, 39, .12);
}

.page-about .ab-rail__year {
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--brick);
  font-variant-numeric: tabular-nums;
}

.page-about .ab-era {
  padding: 26px 0;
  border-top: 1px solid var(--ash-2);
  scroll-margin-top: 96px;
  transition: background-color var(--dur) var(--ease);
}

.page-about .ab-era:first-child {
  border-top-color: var(--gold);
}

.page-about .ab-era:target {
  background-color: rgba(201, 162, 39, .1);
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-about .ab-era__tick {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--brick);
  font-variant-numeric: tabular-nums;
}

.page-about .ab-era__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.35;
  color: var(--ink);
}

.page-about .ab-era__body {
  margin: 14px 0 0;
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-about .ab-era__side {
  margin: 14px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ab-quiet);
}

/* ---------- 校验工序 ---------- */

.page-about .ab-check {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

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

.page-about .ab-step {
  padding: 18px 0;
  border-top: 1px solid var(--rule);
}

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

.page-about .ab-step__no {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-about .ab-step__title {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.35;
  color: var(--paper);
}

.page-about .ab-step__body {
  margin: 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ash-2);
}

/* ---------- 收录边界 ---------- */

.page-about .ab-scope {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--ash-2);
  border: 1px solid var(--ash-2);
}

.page-about .ab-scope__col {
  padding: 22px 20px;
  background: var(--paper-2);
}

.page-about .ab-scope__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ash-2);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  color: var(--ink);
}

.page-about .ab-scope__title::before {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  background: var(--gold);
}

.page-about .ab-scope__col--out .ab-scope__title::before {
  background: var(--brick);
}

.page-about .ab-scope__list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-about .ab-scope__list li {
  position: relative;
  padding: 9px 0 9px 18px;
  border-top: 1px solid rgba(43, 62, 54, .16);
}

.page-about .ab-scope__list li:first-child {
  border-top: 0;
}

.page-about .ab-scope__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15em;
  width: 8px;
  height: 1px;
  background: var(--ash-2);
}

.page-about .ab-scope__col--out .ab-scope__list li::before {
  background: var(--brick);
}

.page-about .ab-fold {
  margin-top: 26px;
  border-top: 1px solid var(--ash-2);
  border-bottom: 1px solid var(--ash-2);
}

.page-about .ab-fold summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
}

.page-about .ab-fold summary::-webkit-details-marker {
  display: none;
}

.page-about .ab-fold summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brick);
}

.page-about .ab-fold[open] summary::after {
  content: "－";
}

.page-about .ab-fold__body {
  padding: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-about .ab-fold__body p {
  margin: 0 0 10px;
  max-width: 60em;
}

.page-about .ab-fold__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 版本沿革 ---------- */

.page-about .ab-ver {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

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

.page-about .ab-ver__item {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 8px 16px;
  padding: 16px 0;
  border-top: 1px solid var(--rule);
}

.page-about .ab-ver__item:first-child {
  border-top-color: var(--gold);
}

.page-about .ab-ver__year {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-about .ab-ver__text {
  margin: 0;
  max-width: 42em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ash-2);
}

/* ---------- 本地查询 ---------- */

.page-about .ab-local {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .ab-local__main p {
  margin: 0 0 16px;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-about .ab-local__main p:last-of-type {
  margin-bottom: 0;
}

.page-about .ab-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-about .ab-links a {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  transition: background-color var(--dur) var(--ease);
}

.page-about .ab-links a:hover {
  background-color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-about .ab-local__side {
  padding-left: 18px;
  border-left: 3px solid var(--gold);
}

.page-about .ab-local__side h3 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
}

.page-about .ab-local__side ul {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ab-quiet);
}

.page-about .ab-local__side li {
  padding: 8px 0;
  border-top: 1px solid rgba(43, 62, 54, .16);
}

.page-about .ab-local__side li:first-child {
  border-top: 0;
}

/* ============================================================
   媒体查询
   ============================================================ */

@media (min-width: 620px) {
  .page-about .ab-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-about .ab-era {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 200px;
    grid-template-areas:
      "head head"
      "body side";
    gap: 14px 32px;
  }

  .page-about .ab-era__head {
    grid-area: head;
  }

  .page-about .ab-era__body {
    grid-area: body;
    margin-top: 0;
  }

  .page-about .ab-era__side {
    grid-area: side;
    margin-top: 0;
  }
}

@media (min-width: 760px) {
  .page-about .ab-band {
    padding: 64px 0;
  }

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

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

@media (min-width: 900px) {
  .page-about .ab-hero {
    padding-top: 40px;
    padding-bottom: 64px;
  }

  .page-about .ab-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
  }

  .page-about .ab-hero__scale {
    justify-content: flex-end;
    align-self: stretch;
    padding-left: 40px;
    border-left: 1px solid var(--rule);
  }

  .page-about .ab-scroll {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 48px;
  }

  .page-about .ab-rail {
    position: sticky;
    top: 88px;
    align-self: start;
  }

  .page-about .ab-check {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
    align-items: start;
  }

  .page-about .ab-ver {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-about .ab-local {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}