.page-about {
  --about-cut: 14px;
  --about-gap: 20px;
}

/* ===== 首屏 ===== */
.page-about .about-hero {
  padding-top: 4px;
}

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

.page-about .about-hero__lead {
  grid-column: 1;
}

.page-about .about-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-about .about-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.6vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--hi);
}

.page-about .about-hero__tally {
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .about-hero__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(44px, 11vw, 76px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-about .about-hero__unit {
  font-size: 18px;
  letter-spacing: 0.02em;
}

.page-about .about-hero__tallyline {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
}

.page-about .about-hero__clip {
  padding: 22px 24px;
}

.page-about .about-hero__clipk {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--paper-accent);
  text-transform: uppercase;
}

.page-about .about-hero__clipt {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

@media (min-width: 860px) {
  .page-about .about-hero {
    padding-top: 16px;
  }
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    grid-template-rows: auto auto;
    gap: 24px;
    align-items: start;
  }
  .page-about .about-hero__lead {
    grid-row: 1 / span 2;
    grid-column: 1;
    padding-right: 8px;
  }
  .page-about .about-hero__tally {
    grid-column: 2;
    grid-row: 1;
  }
  .page-about .about-hero__clip {
    grid-column: 2;
    grid-row: 2;
  }
}

/* ===== 章节通用微调 ===== */
.page-about .chapter__hd {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 26px;
}

.page-about .chapter__hdtext {
  min-width: 0;
}

.page-about .chapter__title {
  margin: 0;
  font-size: clamp(22px, 4.4vw, 34px);
  line-height: 1.22;
}

.page-about .chapter__kicker {
  margin: 0 0 8px;
}

.page-about .about-figure {
  margin: 26px 0 30px;
}

.page-about .about-figure--dark {
  margin-top: 30px;
}

/* ===== 分工卡片 ===== */
.page-about .about-duties {
  display: grid;
  gap: 12px;
}

.page-about .duty {
  position: relative;
  border: 1px solid var(--line);
  background: var(--ink-800);
  clip-path: polygon(0 0, calc(100% - var(--about-cut)) 0, 100% var(--about-cut), 100% 100%, var(--about-cut) 100%, 0 calc(100% - var(--about-cut)));
}

.page-about .duty[open] {
  border-color: var(--cyan);
}

.page-about .duty__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
}

.page-about .duty__head::-webkit-details-marker {
  display: none;
}

.page-about .duty__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mute);
}

.page-about .duty[open] .duty__num {
  color: var(--cyan);
}

.page-about .duty__name {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-sub);
  font-weight: 600;
  font-size: 18px;
  color: var(--hi);
}

.page-about .duty__count {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--amber);
  letter-spacing: 0.04em;
}

.page-about .duty__chev {
  width: 10px;
  height: 10px;
  border-right: 1.5px solid var(--mute);
  border-bottom: 1.5px solid var(--mute);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.24s ease;
}

.page-about .duty[open] .duty__chev {
  transform: rotate(225deg) translate(-2px, -2px);
  border-color: var(--cyan);
}

.page-about .duty__body {
  padding: 0 22px 20px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-about .duty__body p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--hi);
  max-width: 40em;
}

.page-about .duty__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--mute) !important;
}

@media (min-width: 860px) {
  .page-about .about-duties {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
  .page-about .duty__head {
    padding: 20px 26px;
  }
  .page-about .duty__body {
    padding: 18px 26px 22px;
  }
}

/* ===== 发布流程 ===== */
.page-about .about-flow {
  display: grid;
  gap: 24px;
}

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

.page-about .flowlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: flow;
}

.page-about .step {
  border-left: 2px solid var(--line);
  background: linear-gradient(90deg, rgba(63, 227, 210, 0.06), transparent 60%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-about .step[open] {
  border-left-color: var(--cyan);
}

.page-about .step__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-about .step__head::-webkit-details-marker {
  display: none;
}

.page-about .step__num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  letter-spacing: -0.02em;
}

.page-about .step__name {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-sub);
  font-weight: 600;
  font-size: 17px;
  color: var(--hi);
}

.page-about .step__time {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mute);
  white-space: nowrap;
}

.page-about .step__body {
  padding: 0 16px 16px 52px;
}

.page-about .step__body p {
  margin: 0 0 10px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--hi);
}

.page-about .step__out {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--cyan) !important;
}

@media (min-width: 860px) {
  .page-about .about-flow {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 32px;
    align-items: start;
  }
  .page-about .step__num {
    font-size: 30px;
  }
}

/* ===== 索引演进 ===== */
.page-about .about-evo {
  align-items: start;
}

.page-about .about-evo__panel {
  padding: 24px 26px 26px;
  margin-top: 6px;
}

.page-about .about-evo__panelt {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-accent);
}

.page-about .about-evo__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-evo__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-bottom: 1px dashed rgba(34, 28, 24, 0.24);
  padding-bottom: 10px;
}

.page-about .about-evo__k {
  flex: 0 0 54px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--paper-accent);
}

.page-about .about-evo__v {
  font-family: var(--font-sub);
  font-size: 16px;
  color: var(--paper-ink);
}

.page-about .about-evo__foot {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.7;
}

/* ===== 时间线 ===== */
.page-about .tl {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .tl::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--line) 35%, var(--line));
}

.page-about .tl__item {
  position: relative;
  padding: 0 0 26px 30px;
}

.page-about .tl__item:last-child {
  padding-bottom: 4px;
}

.page-about .tl__dot {
  position: absolute;
  left: 0;
  top: 8px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1.5px solid var(--line);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-about .tl__item.is-in .tl__dot {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px rgba(63, 227, 210, 0.16);
}

.page-about .tl__stamp {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.09em;
  color: var(--mute);
}

.page-about .tl__item.is-in .tl__stamp {
  color: var(--cyan);
}

.page-about .tl__title {
  margin: 0 0 8px;
  font-family: var(--font-sub);
  font-weight: 600;
  font-size: 19px;
  color: var(--hi);
}

.page-about .tl__body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--hi);
  max-width: 40em;
}

@media (min-width: 860px) {
  .page-about .tl {
    margin-left: 8px;
  }
  .page-about .tl::before {
    left: 63px;
  }
  .page-about .tl__item {
    padding-left: 96px;
    padding-bottom: 30px;
  }
  .page-about .tl__dot {
    left: 58px;
    top: 9px;
  }
  .page-about .tl__stamp {
    position: absolute;
    left: 0;
    top: 6px;
    width: 48px;
    text-align: right;
    margin: 0;
  }
}

.page-about .about-recall-cta {
  margin-top: 22px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  background: rgba(19, 28, 70, 0.6);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.page-about .about-recall-cta__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--hi);
  max-width: 46em;
}

/* ===== 反馈路径 ===== */
.page-about .about-paths {
  gap: 16px;
}

.page-about .about-path {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about .about-path--dark {
  background: var(--ink-800);
  border: 1px solid var(--line);
}

.page-about .about-path__owner {
  margin: auto 0 0;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-about .about-path--dark .about-path__owner {
  color: var(--amber);
}

.page-about .about-paths__more {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.page-about .about-paths__more p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--mute);
  max-width: 46em;
}

.page-about .about-paths__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ===== 江苏本地 ===== */
.page-about .about-js {
  align-items: center;
}

.page-about .about-js__panel {
  border: 1px solid var(--line);
  padding: 18px 18px 14px;
  background: var(--ink-800);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.page-about .about-js__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-js__cap {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--amber);
}

/* ===== 合作与报告 ===== */
.page-about .about-eco {
  align-items: start;
}

.page-about .about-eco__side {
  padding: 22px 24px 24px;
  margin-top: 6px;
}

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

.page-about .about-eco__list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-about .about-eco__n {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-about .about-eco__l {
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.02em;
}

.page-about .about-tail {
  margin-top: 30px;
  padding: 24px 24px 26px;
  border: 1px solid var(--line);
  background: rgba(63, 227, 210, 0.06);
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.page-about .about-tail__text {
  max-width: 48em;
}

.page-about .about-tail__title {
  margin: 0 0 8px;
  font-family: var(--font-sub);
  font-weight: 600;
  font-size: 19px;
  color: var(--hi);
}

.page-about .about-tail__text p:last-child {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--mute);
}

.page-about .about-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ===== 奶油纸面板内的文字修正 ===== */
.page-about .paper,
.page-about .card--paper {
  color: var(--paper-ink);
}

.page-about .card--paper .card__meta,
.page-about .paper .card__meta {
  color: var(--paper-accent);
}

/* ===== 窄屏保护 ===== */
@media (max-width: 480px) {
  .page-about .duty__head {
    flex-wrap: wrap;
    gap: 8px 12px;
    padding: 16px 18px;
  }
  .page-about .duty__count {
    order: 3;
  }
  .page-about .duty__body {
    padding-left: 18px;
    padding-right: 18px;
  }
  .page-about .step__body {
    padding-left: 22px;
  }
  .page-about .chapter__hd {
    flex-direction: column;
    gap: 10px;
  }
  .page-about .about-hero__title br {
    display: none;
  }
}
<<<END>>>