.page-about {
  --about-side-w: 260px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: 36px 0 52px;
  overflow: hidden;
  isolation: isolate;
}

.page-about .about-hero .nx-blob--grass {
  width: 340px;
  height: 340px;
  top: -120px;
  right: -100px;
  opacity: .55;
}

.page-about .about-hero .nx-blob--dune {
  width: 200px;
  height: 200px;
  bottom: -90px;
  left: -60px;
  opacity: .35;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--grass-600);
  font-weight: 600;
}

.page-about .about-hero__title {
  margin: 0 0 22px;
  font-size: clamp(32px, 5.6vw, 56px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--ink-900);
  max-width: 18ch;
}

.page-about .about-hero__lede {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--ink-700);
}

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

/* ---------- 双栏骨架 ---------- */
.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  padding: 8px 0 76px;
}

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

.page-about .about-side {
  display: none;
}

/* ---------- 章节头 ---------- */
.page-about .about-sec {
  padding: 44px 0 8px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-about .about-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 16px;
  row-gap: 6px;
  align-items: baseline;
  margin-bottom: 26px;
}

.page-about .about-sec__head .nx-sec-num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--grass-600);
  letter-spacing: .05em;
  line-height: 1.6;
}

.page-about .about-sec__head .nx-sec-title {
  margin: 0;
  font-size: clamp(23px, 3.6vw, 30px);
  line-height: 1.24;
  font-weight: 700;
  color: var(--ink-900);
  letter-spacing: -.01em;
}

.page-about .about-sec__head .nx-sec-note {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-700);
  opacity: .82;
  max-width: 40ch;
}

/* ---------- 01 为什么 ---------- */
.page-about .about-why {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-about .about-why__text p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-about .about-why__text p:last-of-type {
  margin-bottom: 22px;
}

.page-about .about-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-points li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  align-items: baseline;
  gap: 14px;
  padding: 12px 14px;
  background: var(--paper-100);
  border-radius: var(--radius-m);
  border-left: 3px solid var(--grass-200);
}

.page-about .about-points__num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--grass-600);
  line-height: 1;
}

.page-about .about-points__label {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-700);
}

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

.page-about .about-why__fig .nx-media {
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.page-about .about-why__fig img,
.page-about .about-editorial__fig img,
.page-about .about-partner__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .nx-media__cap {
  margin: 10px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--dune-500);
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-700);
}

/* ---------- 02 版本阶段 ---------- */
.page-about .about-stages {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line-300);
  transition: background-color .24s var(--ease);
}

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

.page-about .about-stage__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(34px, 6.6vw, 52px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -.03em;
  color: var(--grass-600);
}

.page-about .about-stage__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-about .about-stage__text {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-700);
  max-width: 48ch;
}

.page-about .about-stage__extra {
  display: inline-block;
  margin: 0;
  padding: 5px 12px;
  font-size: 13px;
  line-height: 1.5;
  border-radius: 100px;
  background: var(--grass-200);
  color: var(--grass-700);
  opacity: .72;
  transition: opacity .24s var(--ease), background-color .24s var(--ease), color .24s var(--ease), transform .24s var(--ease);
}

.page-about .about-stage:hover .about-stage__extra,
.page-about .about-stage:focus-within .about-stage__extra {
  opacity: 1;
  background: var(--dune-500);
  color: #FFFBF3;
  transform: translateX(4px);
}

/* ---------- 03 编辑部 ---------- */
.page-about .about-editorial {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

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

.page-about .about-editorial__fig .nx-media {
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.page-about .about-editorial__text p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-700);
}

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

.page-about .about-roles__item {
  padding: 18px 18px 20px;
  border-radius: var(--radius-m);
  border: 1px solid var(--line-300);
  background: var(--paper-100);
  transition: transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
}

.page-about .about-roles__item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
  border-color: var(--grass-600);
}

.page-about .about-roles__item--a {
  background: var(--grass-200);
  border-color: transparent;
}

.page-about .about-roles__item--b {
  background: var(--paper-100);
}

.page-about .about-roles__item--c {
  background: var(--paper-50);
  border-style: dashed;
}

.page-about .about-roles__name {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-about .about-roles__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-700);
}

/* ---------- 04 共建生态 ---------- */
.page-about .about-partner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-about .about-partner__intro p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-700);
}

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

.page-about .about-partner__fig .nx-media {
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line-300);
}

.page-about .about-map {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-m);
  background-color: var(--paper-100);
  background-image: radial-gradient(circle at 1px 1px, var(--line-300) 1.2px, transparent 0);
  background-size: 22px 22px;
  border: 1px solid var(--line-300);
  overflow: visible;
}

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

.page-about .about-map__pin {
  position: absolute;
}

.page-about .about-map__pin--a { left: 20%; top: 24%; }
.page-about .about-map__pin--b { left: 56%; top: 18%; }
.page-about .about-map__pin--c { left: 74%; top: 52%; }
.page-about .about-map__pin--d { left: 34%; top: 66%; }
.page-about .about-map__pin--e { left: 12%; top: 52%; }
.page-about .about-map__pin--f { left: 47%; top: 42%; }

.page-about .about-map__dot {
  display: block;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--dune-500);
  box-shadow: 0 0 0 5px rgba(224, 138, 60, .18);
  transition: transform .24s var(--ease), box-shadow .24s var(--ease);
}

.page-about .about-map__pin:nth-child(even) .about-map__dot {
  background: var(--grass-600);
  box-shadow: 0 0 0 5px rgba(30, 138, 110, .16);
}

.page-about .about-map__pin:nth-child(3n) .about-map__dot {
  background: var(--sky-400);
  box-shadow: 0 0 0 5px rgba(126, 184, 216, .2);
}

.page-about .about-map__pop {
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%) translateX(-6px);
  white-space: nowrap;
  padding: 5px 10px;
  font-size: 12.5px;
  line-height: 1.45;
  color: #FFFBF3;
  background: var(--ink-900);
  border-radius: var(--radius-s);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s var(--ease), transform .2s var(--ease);
  z-index: 2;
}

.page-about .about-map__pin:hover .about-map__pop,
.page-about .about-map__pin:focus-within .about-map__pop {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.page-about .about-map__pin:hover .about-map__dot {
  transform: scale(1.2);
  box-shadow: 0 0 0 8px rgba(224, 138, 60, .22);
}

/* ---------- 05 支持 ---------- */
.page-about .about-support {
  display: grid;
  gap: 14px;
}

.page-about .about-support__card {
  padding: 22px 20px 22px;
  border-radius: var(--radius-m);
  background: var(--paper-100);
  border: 1px solid var(--line-300);
  transition: transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
}

.page-about .about-support__card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
  border-color: var(--grass-600);
}

.page-about .about-support__card--a {
  background: var(--paper-50);
  border-left: 4px solid var(--dune-500);
}

.page-about .about-support__card--b {
  background: var(--paper-100);
  border-left: 4px solid var(--grass-600);
}

.page-about .about-support__card--c {
  background: var(--paper-50);
  border-left: 4px solid var(--sky-400);
}

.page-about .about-support__num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--grass-700);
  letter-spacing: -.01em;
}

.page-about .about-support__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-about .about-support__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-700);
}

/* ---------- 06 地区与备案 ---------- */
.page-about .about-region__lead {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-700);
  max-width: 50ch;
}

.page-about .about-region__list {
  margin: 0 0 20px;
  padding: 4px 18px;
  background: var(--paper-100);
  border-radius: var(--radius-m);
  border: 1px solid var(--line-300);
}

.page-about .about-region__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-300);
}

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

.page-about .about-region__row dt {
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--grass-600);
  letter-spacing: .04em;
}

.page-about .about-region__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-900);
  word-break: break-word;
}

.page-about .about-region__note {
  margin: 0 0 24px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-700);
  padding-left: 14px;
  border-left: 2px solid var(--grass-200);
}

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

/* ---------- 收束线 ---------- */
.page-about .about-emdash {
  height: 3px;
  margin: 56px 0 0;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--dune-500), var(--dune-500) 30%, transparent 92%);
  opacity: .85;
}

/* ---------- 侧栏 ---------- */
.page-about .about-side__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ink-700);
  opacity: .7;
}

.page-about .about-side__block {
  margin-top: 26px;
  padding: 16px 16px 18px;
  border-radius: var(--radius-m);
  background: var(--paper-100);
  border: 1px solid var(--line-300);
}

.page-about .about-side__block--grass {
  background: var(--grass-200);
  border-color: transparent;
}

.page-about .about-side__block-title {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-about .about-side__block-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-700);
}

/* ---------- 中屏 ---------- */
@media (min-width: 640px) {
  .page-about .about-stage {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-about .about-roles {
    grid-template-columns: 1.2fr 1fr .85fr;
    align-items: start;
  }

  .page-about .about-support {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-region__row {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

/* ---------- 大屏 ---------- */
@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 60px 0 76px;
  }

  .page-about .about-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: 60px;
    padding-top: 16px;
  }

  .page-about .about-side {
    display: block;
    position: relative;
  }

  .page-about .about-side__sticky {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-about .about-why {
    grid-template-columns: minmax(0, 1fr) minmax(240px, .82fr);
    gap: 40px;
    align-items: start;
  }

  .page-about .about-editorial {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    column-gap: 34px;
  }

  .page-about .about-editorial__fig {
    grid-row: span 2;
    align-self: start;
  }

  .page-about .about-partner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    column-gap: 34px;
  }

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

  .page-about .about-map {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .page-about .about-partner__fig {
    grid-column: 1;
    grid-row: 2;
  }

  .page-about .about-region__lead {
    font-size: 17px;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>