/* ============================================================
   编务与数据团队（/team/）页面专属样式
   作用域：.page-about
   ============================================================ */

.page-about {
  --about-rail: 286px;
  --about-gap: 34px;
  display: block;
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */

.page-about .about-mast {
  position: relative;
  overflow: hidden;
  padding: 22px 0 96px;
  border-bottom: 3px solid var(--ochre);
  background:
    radial-gradient(rgba(42, 38, 32, .07) 1px, transparent 1px) 0 0 / 13px 13px,
    linear-gradient(180deg, var(--cream), var(--paper) 82%);
}

.page-about .about-sash {
  position: absolute;
  left: -6%;
  right: -6%;
  bottom: 48px;
  height: 8px;
  transform: rotate(-3deg);
  background: linear-gradient(90deg,
    var(--ochre) 0 30%,
    var(--whistle) 30% 46%,
    var(--pitch) 46% 58%,
    var(--night) 58% 100%);
  opacity: .82;
  pointer-events: none;
}

.page-about .crumbs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--note);
}

.page-about .crumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-about .crumbs li + li::before {
  content: "/";
  color: var(--line);
}

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

.page-about .crumbs a:hover {
  color: var(--whistle);
  border-bottom-color: var(--whistle);
}

.page-about .about-mast-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
  align-items: end;
}

.page-about .about-mast-text .eyebrow {
  margin: 0 0 10px;
  color: var(--night);
}

.page-about h1 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(32px, 7.2vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-about .about-lede {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--shade);
}

.page-about .about-stamp-box {
  display: grid;
  gap: 10px;
}

.page-about .about-stamp {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border: 1px solid var(--ink);
  background: rgba(245, 239, 227, .86);
  box-shadow: var(--shadow-1);
}

.page-about .stamp-cell {
  padding: 14px 10px 12px;
  border-right: 1px solid var(--line-soft);
  text-align: center;
}

.page-about .stamp-cell:last-child {
  border-right: 0;
}

.page-about .stamp-num {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(28px, 5.4vw, 38px);
  line-height: 1;
  color: var(--ochre);
  letter-spacing: -0.02em;
}

.page-about .stamp-label {
  display: block;
  margin-top: 8px;
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--note);
  line-height: 1.4;
}

.page-about .stamp-foot {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--note);
}

/* ---------- 主体骨架 ---------- */

.page-about .about-body {
  display: grid;
  gap: 30px;
  padding: 34px 0 68px;
}

.page-about .about-rail {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-about .rail-card {
  padding: 16px 16px 15px;
  background: var(--deep);
  color: var(--on-deep);
  border-left: 5px solid var(--ochre);
  box-shadow: var(--shadow-1);
}

.page-about .rail-card .eyebrow {
  margin: 0 0 8px;
  color: var(--whistle);
}

.page-about .rail-card-ver {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 42px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .rail-card p:last-child {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--on-deep-dim);
}

.page-about .about-toc {
  padding: 13px 13px 11px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-about .about-toc .toc-title {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--note);
}

.page-about .about-toc .toc-list {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
}

.page-about .about-toc .toc-list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 8px;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--ink);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color var(--ease), background var(--ease);
}

.page-about .about-toc .toc-list a:hover,
.page-about .about-toc .toc-list a[aria-current="true"] {
  border-left-color: var(--whistle);
  background: var(--cream);
}

.page-about .toc-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ochre);
  letter-spacing: .06em;
}

/* ---------- 章节通用 ---------- */

.page-about .about-flow {
  display: grid;
  gap: 46px;
}

.page-about .about-sec {
  scroll-margin-top: 32px;
}

.page-about .about-sec-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 9px;
  border-bottom: 2px solid var(--ink);
}

.page-about .about-sec-num {
  flex: none;
  padding: 4px 7px 3px;
  font-family: var(--font-head);
  font-size: 14px;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--paper);
  background: var(--ochre);
}

.page-about .about-sec-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(20px, 3.6vw, 27px);
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-about .about-sec-lede {
  margin: 0 0 18px;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--shade);
}

.page-about .term {
  border-bottom: 1px dashed var(--note);
  cursor: help;
  transition: border-color var(--ease);
}

.page-about .term:hover {
  border-bottom-color: var(--whistle);
}

.page-about .about-sec .small-note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--note);
}

/* ---------- 岗位表 ---------- */

.page-about .roster {
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--shadow-1);
}

.page-about .roster-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "role count"
    "duty duty";
  gap: 6px 14px;
  padding: 15px 16px;
  border-bottom: 1px solid var(--line-soft);
  transition: background var(--ease);
}

.page-about .roster-row:last-child {
  border-bottom: 0;
}

.page-about .roster-row:hover {
  background: var(--cream);
}

.page-about .roster-role {
  grid-area: role;
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .01em;
  align-self: center;
}

.page-about .roster-count {
  grid-area: count;
  display: flex;
  align-items: baseline;
  gap: 3px;
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ochre);
}

.page-about .roster-count .unit {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .06em;
  color: var(--note);
}

.page-about .roster-duty {
  grid-area: duty;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--shade);
  opacity: .78;
  transition: opacity var(--ease);
}

.page-about .roster-row:hover .roster-duty {
  opacity: 1;
}

/* ---------- 校正四步 ---------- */

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

.page-about .flow-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 6px;
  padding: 16px 18px 16px 16px;
  border: 1px solid var(--line);
  background: var(--cream);
  box-shadow: var(--shadow-1);
  transition: box-shadow var(--ease), border-color var(--ease), background var(--ease);
}

.page-about .flow-step:hover {
  box-shadow: var(--shadow-2);
  border-color: var(--ochre);
  background: var(--paper);
}

.page-about .flow-num {
  grid-column: 1;
  grid-row: 1 / span 3;
  align-self: start;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 22px;
  line-height: 1;
  color: var(--paper);
  background: var(--ochre);
}

.page-about .flow-step h3 {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .01em;
}

.page-about .flow-out,
.page-about .flow-back {
  grid-column: 2;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--shade);
}

.page-about .flow-out b,
.page-about .flow-back b {
  display: inline-block;
  min-width: 3.6em;
  margin-right: 7px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .1em;
  text-align: center;
}

.page-about .flow-out b {
  color: var(--night);
  background: rgba(20, 92, 99, .13);
}

.page-about .flow-back b {
  color: var(--correct);
  background: rgba(176, 58, 46, .12);
}

/* ---------- 图片 ---------- */

.page-about .about-figure {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--shadow-1);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-figure .figure-cap {
  margin: 0;
  padding: 11px 14px 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--note);
}

/* ---------- 观察员网络 ---------- */

.page-about .obs-grid {
  display: grid;
  gap: 12px;
}

.page-about .obs-card {
  padding: 14px 15px 15px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--night);
  background: var(--paper);
  box-shadow: var(--shadow-1);
  transition: box-shadow var(--ease), border-top-color var(--ease);
}

.page-about .obs-card:hover {
  box-shadow: var(--shadow-2);
  border-top-color: var(--whistle);
}

.page-about .obs-key {
  margin: 0 0 7px;
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--night);
}

.page-about .obs-card p:last-child {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--shade);
}

/* ---------- 赛事对照 ---------- */

.page-about .cross-table {
  display: grid;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--shadow-1);
}

.page-about .cross-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px 18px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .cross-row:last-child {
  border-bottom: 0;
}

.page-about .cross-key {
  margin: 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--note);
}

.page-about .cross-val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-about .about-cross-note {
  margin: 16px 0 0;
  max-width: 42em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--shade);
}

/* ---------- 版本时间线 ---------- */

.page-about .tl-layout {
  display: grid;
  gap: 26px;
}

.page-about .timeline {
  position: relative;
  list-style: none;
  display: grid;
  gap: 26px;
  margin: 0;
  padding: 0 0 0 26px;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--line);
}

.page-about .tl-item {
  position: relative;
}

.page-about .tl-dot {
  position: absolute;
  left: -26px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--ochre);
  box-sizing: border-box;
  transition: background var(--ease), border-color var(--ease), transform var(--ease);
}

.page-about .tl-item:hover .tl-dot {
  background: var(--whistle);
  border-color: var(--whistle);
  transform: scale(1.18);
}

.page-about .tl-year {
  margin: 0 0 5px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--ochre);
  font-variant-numeric: tabular-nums;
}

.page-about .tl-title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
}

.page-about .tl-body {
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.82;
  color: var(--shade);
}

.page-about .tl-aside {
  align-self: start;
}

.page-about .tl-aside .about-figure {
  margin: 0;
}

/* ---------- 口径守则 ---------- */

.page-about .rules-list {
  list-style: none;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-about .rule-item {
  display: grid;
  gap: 6px 20px;
  padding: 16px 0 15px;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .rule-item h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--night);
}

.page-about .rule-item p {
  margin: 0;
  max-width: 42em;
  font-size: 14px;
  line-height: 1.82;
  color: var(--shade);
}

/* ---------- 尾段 ---------- */

.page-about .about-next {
  padding: 26px 22px 24px;
  background: var(--deep);
  color: var(--on-deep);
  border-left: 6px solid var(--ochre);
  box-shadow: var(--shadow-2);
}

.page-about .about-next h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.25;
  color: var(--paper);
}

.page-about .about-next p {
  margin: 0 0 18px;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--on-deep-dim);
}

.page-about .next-links {
  list-style: none;
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-about .next-links a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid rgba(245, 239, 227, .26);
  transition: border-color var(--ease), background var(--ease), transform var(--ease);
}

.page-about .next-links a::after {
  content: "→";
  flex: none;
  color: var(--whistle);
  font-family: var(--font-mono);
}

.page-about .next-links a:hover {
  border-color: var(--whistle);
  background: rgba(224, 114, 45, .16);
  transform: translateX(2px);
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-about .obs-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .cross-row {
    grid-template-columns: minmax(96px, 152px) minmax(0, 1fr);
    align-items: baseline;
    gap: 0 18px;
    padding: 13px 16px;
  }
}

@media (min-width: 720px) {
  .page-about .roster-row {
    grid-template-columns: minmax(130px, .85fr) 92px minmax(0, 1.95fr);
    grid-template-areas: "role count duty";
    align-items: center;
    gap: 0 20px;
    padding: 16px 18px;
  }

  .page-about .rule-item {
    grid-template-columns: minmax(120px, 168px) minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-about .about-mast-inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(230px, .75fr);
    gap: 48px;
  }
}

@media (min-width: 1000px) {
  .page-about .about-body {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: 46px;
    padding: 40px 0 76px;
  }

  .page-about .about-toc {
    position: sticky;
    top: 76px;
  }

  .page-about .about-flow {
    gap: 54px;
  }
}

@media (min-width: 1080px) {
  .page-about .tl-layout {
    grid-template-columns: minmax(0, 1.9fr) minmax(240px, .92fr);
    gap: 34px;
  }

  .page-about .tl-aside {
    position: sticky;
    top: 84px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .roster-row,
  .page-about .roster-duty,
  .page-about .flow-step,
  .page-about .obs-card,
  .page-about .tl-dot,
  .page-about .next-links a,
  .page-about .about-toc .toc-list a,
  .page-about .term,
  .page-about .crumbs a {
    transition: none;
  }

  .page-about .tl-item:hover .tl-dot,
  .page-about .next-links a:hover {
    transform: none;
  }
}
<<<END>>>