.page-about {
  --about-panel-fade: rgba(22, 81, 62, .55);
  --about-rule: rgba(42, 107, 83, .8);
  background: var(--pit-deep);
  color: var(--paper);
}

.page-about .about-hero {
  padding-block: clamp(20px, 3vw, 34px) clamp(40px, 6vw, 76px);
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(198, 255, 61, .10), transparent 62%),
    radial-gradient(90% 70% at 0% 100%, rgba(123, 224, 195, .08), transparent 60%);
}

.page-about .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 34px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
}

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

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

.page-about .breadcrumb__sep { color: var(--tick); }

.page-about .breadcrumb__current { color: var(--paper); }

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 40px);
  align-items: end;
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: 1.55fr 1fr;
  }
}

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

.page-about .eyebrow::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 2px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--lime);
}

.page-about .about-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 5.4vw, 52px);
  line-height: 1.12;
  letter-spacing: .02em;
  color: var(--paper);
  max-width: 15em;
}

.page-about .about-hero__deal {
  margin: 0 0 26px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(242, 245, 238, .82);
}

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

.page-about .about-hero__card {
  padding: 22px 20px 20px;
  border: 1px solid var(--tick);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--panel), rgba(14, 59, 46, .35));
}

.page-about .about-hero__card-key {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-about .about-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 14px;
  margin: 0;
}

.page-about .about-facts__item dt {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--mist);
  margin-bottom: 6px;
}

.page-about .about-facts__item dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.4;
  color: rgba(242, 245, 238, .9);
}

.page-about .about-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(24px, 3.2vw, 32px);
  line-height: 1.1;
  color: var(--lime);
  letter-spacing: -0.01em;
}

.page-about .about-body {
  padding-block: clamp(40px, 6vw, 84px);
  border-top: 1px solid var(--about-rule);
}

.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 4.6vw, 64px);
  align-items: start;
}

@media (min-width: 1000px) {
  .page-about .about-layout {
    grid-template-columns: 7fr 4fr;
  }
}

.page-about .about-section + .about-section { margin-top: 0; }

.page-about .about-section__head { margin-bottom: 20px; }

.page-about .about-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-about .about-section h3 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.4;
  color: var(--paper);
}

.page-about .about-main .prose p {
  margin: 0 0 1.1em;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(242, 245, 238, .8);
}

.page-about .about-main .prose p:last-child { margin-bottom: 0; }

.page-about .tick-rule {
  height: 1px;
  margin-block: clamp(38px, 5vw, 62px);
  background: repeating-linear-gradient(90deg, var(--tick) 0 18px, transparent 18px 30px);
}

/* 栏目坐标标签 */
.page-about .axis-tags {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 640px) {
  .page-about .axis-tags { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.page-about .axis-tag {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "key name"
    "key desc";
  gap: 2px 14px;
  padding: 14px 18px;
  border-left: 2px solid var(--tick);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(22, 81, 62, .38);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .axis-tag:hover,
.page-about .axis-tag:focus-within {
  border-left-color: var(--lime);
  background: rgba(22, 81, 62, .7);
}

.page-about .axis-tag__key {
  grid-area: key;
  font-size: 13px;
  line-height: 1.5;
  color: var(--lime);
  padding-top: 2px;
}

.page-about .axis-tag strong {
  grid-area: name;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--paper);
}

.page-about .axis-tag span:last-child {
  grid-area: desc;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* 三支小组 */
.page-about .crew {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

@media (min-width: 760px) {
  .page-about .crew { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.page-about .crew__card {
  position: relative;
  padding: 24px 20px 20px;
  border: 1px solid var(--tick);
  border-radius: var(--radius-lg);
  background: var(--about-panel-fade);
  overflow: hidden;
}

.page-about .crew__card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--mint);
}

.page-about .crew__card--edit::before { background: var(--lime); }
.page-about .crew__card--check::before { background: var(--amber); }
.page-about .crew__card--curate::before { background: var(--mint); }

.page-about .crew__key {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-about .crew__card--edit .crew__key { color: var(--lime); }
.page-about .crew__card--check .crew__key { color: var(--amber); }
.page-about .crew__card--curate .crew__key { color: var(--mint); }

.page-about .crew__card p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(242, 245, 238, .78);
}

.page-about .crew__out {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--tick);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--mist) !important;
}

/* 图片 */
.page-about .about-shot {
  margin: 0 0 28px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--tick);
}

.page-about .about-shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.9) brightness(.86);
}

.page-about .about-shot .media-frame__caption {
  margin: 0;
  padding: 12px 18px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
  background: rgba(8, 32, 25, .7);
}

.page-about .about-shot--net { margin-top: 26px; }

/* 流程 */
.page-about .flow {
  position: relative;
  margin: 0;
  padding: 0 0 0 40px;
  list-style: none;
  counter-reset: none;
}

.page-about .flow::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: linear-gradient(180deg, var(--mint), var(--tick) 70%, transparent);
}

.page-about .flow__step {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 0 0 26px;
}

.page-about .flow__step:last-child { padding-bottom: 0; }

.page-about .flow__num {
  position: absolute;
  left: -40px;
  top: 0;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-pill);
  border: 2px solid var(--tick);
  background: var(--pit-deep);
  font-size: 12px;
  color: var(--lime);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .flow__step:hover .flow__num,
.page-about .flow__step:focus-within .flow__num {
  border-color: var(--lime);
  background: rgba(198, 255, 61, .14);
}

.page-about .flow__body h3 {
  margin: 4px 0 8px;
  font-size: 18px;
}

.page-about .flow__body p {
  margin: 0 0 10px;
  max-width: 42em;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 245, 238, .78);
}

.page-about .flow__owner {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  border: 1px solid currentColor;
}

.page-about .flow__owner--edit { color: var(--lime); }
.page-about .flow__owner--check { color: var(--amber); }
.page-about .flow__owner--curate { color: var(--mint); }

/* 周更新数据 */
.page-about .weeks {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

@media (min-width: 700px) {
  .page-about .weeks { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.page-about .weeks__cell {
  padding: 18px 18px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--tick);
  background: rgba(22, 81, 62, .45);
}

.page-about .weeks__cell p { margin: 0; }

.page-about .weeks__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(26px, 3.4vw, 34px);
  line-height: 1.1;
  color: var(--lime);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--lime);
  margin-bottom: 10px !important;
  display: inline-block;
}

.page-about .weeks__num span {
  font-size: 13px;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--mist);
  margin-left: 6px;
}

.page-about .weeks__cell--amber .weeks__num {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-about .weeks__label {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* 行动入口 */
.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* 右栏刻度 */
.page-about .about-rail {
  position: relative;
  padding: 24px 20px 28px;
  border: 1px solid var(--tick);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(22, 81, 62, .8), rgba(14, 59, 46, .4));
  overflow: hidden;
}

@media (min-width: 1000px) {
  .page-about .about-rail {
    position: sticky;
    top: 116px;
  }
}

.page-about .about-rail > *:not(.about-rail__figure) {
  position: relative;
  z-index: 1;
}

.page-about .about-rail__head {
  margin-bottom: 22px;
}

.page-about .about-rail__head .eyebrow { margin-bottom: 8px; }

.page-about .about-rail__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-rail__figure {
  position: absolute;
  right: -18%;
  bottom: -6%;
  width: 118%;
  opacity: .14;
  pointer-events: none;
}

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

.page-about .batch-axis {
  position: relative;
  margin: 0;
  padding: 4px 0 4px 0;
  list-style: none;
}

.page-about .batch-axis::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: linear-gradient(180deg, var(--tick), var(--mint));
}

.page-about .batch-node {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 14px;
  padding: 0 0 20px;
  cursor: default;
}

.page-about .batch-node:last-child { padding-bottom: 0; }

.page-about .batch-node:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.page-about .batch-node__dot {
  width: 12px;
  height: 12px;
  margin-top: 5px;
  border-radius: 50%;
  border: 2px solid var(--tick);
  background: var(--pit-deep);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .batch-node:hover .batch-node__dot,
.page-about .batch-node:focus-visible .batch-node__dot {
  border-color: var(--lime);
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(198, 255, 61, .16);
}

.page-about .batch-node--now .batch-node__dot {
  border-color: var(--lime);
  background: var(--lime);
}

.page-about .batch-node__key {
  margin: 0 0 4px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-about .batch-node--now .batch-node__key { color: var(--lime); }

.page-about .batch-node__label {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
}

.page-about .batch-node__desc {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
}

@media (min-width: 1000px) {
  .page-about .batch-node__desc {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    margin-top: 0;
    transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease), margin-top var(--dur) var(--ease);
  }

  .page-about .batch-node:hover .batch-node__desc,
  .page-about .batch-node:focus-visible .batch-node__desc,
  .page-about .batch-node--now .batch-node__desc {
    max-height: 200px;
    opacity: 1;
    margin-top: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .batch-node__desc,
  .page-about .batch-node__dot,
  .page-about .flow__num,
  .page-about .axis-tag {
    transition: none;
  }
}
<<<END>>>