.page-about {
  --ab-line: 1px solid rgba(16, 28, 22, 0.14);
  --ab-dash: 1px dashed rgba(16, 28, 22, 0.22);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  overflow-x: clip;
}

.page-about .about-top {
  padding-top: 18px;
}

.page-about .about-hero {
  padding: 14px 0 44px;
}

.page-about .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-about .eyebrow::before {
  content: "";
  width: 22px;
  height: 3px;
  background: var(--orange);
}

.page-about .about-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 8.6vw, 62px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 16em;
  padding-right: 6px;
  transform: skewX(-4deg);
  transform-origin: left center;
  color: var(--ink);
}

.page-about .about-hero h1 em {
  font-style: normal;
  color: var(--kiwi);
}

.page-about .hero-grid {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}

.page-about .hero-lede {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-about .hero-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 0;
  border-top: 2px solid var(--ink);
}

.page-about .hero-meta > div {
  padding: 12px 0;
  border-bottom: var(--ab-line);
}

.page-about .hero-meta > div:nth-child(odd) {
  padding-right: 12px;
}

.page-about .hero-meta dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--moss);
}

.page-about .hero-meta dd {
  margin: 5px 0 0;
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--pitch);
}

.page-about .section {
  padding: 40px 0;
}

.page-about .h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 5.4vw, 34px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-about .h3 {
  margin: 0 0 5px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .lede {
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--moss);
  max-width: 34em;
}

.page-about .mono {
  font-family: var(--mono);
  font-variant-ligatures: none;
}

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

.page-about .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px 16px 2px 16px;
}

.page-about .media__cap {
  margin: 9px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--moss);
}

/* 起点与主张 */
.page-about .origin-grid {
  display: grid;
  gap: 26px;
}

.page-about .origin-text p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--ink);
}

.page-about .dropcap::first-letter {
  float: left;
  font-size: 3.1em;
  line-height: 0.86;
  font-weight: 800;
  padding: 6px 10px 0 0;
  color: var(--kiwi);
}

.page-about .kiwi-quote {
  position: relative;
  margin: 24px 0 0;
  padding: 14px 16px 14px 20px;
  border-left: 3px solid var(--kiwi);
  background: rgba(124, 198, 63, 0.08);
  font-size: 16.5px;
  line-height: 1.72;
  color: var(--pitch);
}

.page-about .quote-mark {
  display: block;
  font-size: 30px;
  line-height: 0.6;
  color: var(--kiwi);
  margin-bottom: 6px;
}

/* 五道工序 */
.page-about .about-process {
  background: linear-gradient(180deg, rgba(124, 198, 63, 0.1), rgba(245, 241, 230, 0));
  border-top: var(--ab-line);
  border-bottom: var(--ab-line);
}

.page-about .process-grid {
  display: grid;
  gap: 24px;
}

.page-about .process-figure img {
  aspect-ratio: 3 / 4;
}

.page-about .process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--ab-line);
}

.page-about .process-item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 15px 0;
  border-bottom: var(--ab-line);
}

.page-about .process-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pitch);
  background: rgba(124, 198, 63, 0.25);
  border-radius: 2px;
  text-align: center;
  padding: 3px 0;
  height: 22px;
}

.page-about .process-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--moss);
}

/* 版本轨道 */
.page-about .track-list {
  position: relative;
  margin-top: 8px;
  padding-left: 36px;
}

.page-about .track-list::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--trace), var(--kiwi) 55%, var(--pitch));
}

.page-about .track-item {
  position: relative;
  border-bottom: var(--ab-dash);
}

.page-about .track-item::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 23px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--kiwi);
  transition: background 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-about .track-item:hover::before {
  background: var(--trace);
  border-color: var(--pitch);
}

.page-about .track-h {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-about .track-trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 15px 2px;
  background: none;
  border: 0;
  font-family: inherit;
  font-size: 16px;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: padding-left 0.24s var(--ease);
}

.page-about .track-trigger:hover {
  padding-left: 8px;
}

.page-about .track-trigger:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-about .track-num {
  flex: none;
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--pitch);
  background: rgba(124, 198, 63, 0.24);
  border-radius: 3px;
  padding: 3px 7px;
}

.page-about .track-title {
  font-weight: 700;
  line-height: 1.4;
}

.page-about .track-trigger:hover .track-title {
  color: var(--pitch);
}

.page-about .track-tag {
  margin-left: auto;
  flex: none;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--moss);
}

.page-about .track-trigger .acc-sign {
  flex: none;
  margin-left: 8px;
}

.page-about .acc-panel-inner {
  padding: 0 2px 18px 0;
  font-size: 14.8px;
  line-height: 1.8;
  color: var(--moss);
  max-width: 40em;
}

/* 团队 */
.page-about .about-team {
  background: linear-gradient(160deg, rgba(15, 59, 38, 0.06), rgba(245, 241, 230, 0) 60%);
  border-top: var(--ab-line);
}

.page-about .team-bars {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .team-bar {
  --w: 25%;
  --c: var(--kiwi);
  padding: 13px 15px;
  border-radius: 6px 2px 6px 2px;
  background: rgba(16, 28, 22, 0.045);
  border-left: 3px solid var(--c);
  transition: background 0.26s var(--ease), transform 0.26s var(--ease);
}

.page-about .team-bar:hover {
  background: rgba(124, 198, 63, 0.14);
  transform: translateX(4px);
}

.page-about .team-bar--data {
  --w: 39%;
  --c: var(--kiwi);
}

.page-about .team-bar--edit {
  --w: 33%;
  --c: var(--pitch);
}

.page-about .team-bar--visual {
  --w: 17%;
  --c: var(--orange);
}

.page-about .team-bar--care {
  --w: 11%;
  --c: var(--amber);
}

.page-about .team-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-about .team-role {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .team-count {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--pitch);
}

.page-about .team-meter {
  margin-top: 9px;
  height: 6px;
  border-radius: 3px;
  background: rgba(16, 28, 22, 0.1);
  overflow: hidden;
}

.page-about .team-meter span {
  display: block;
  height: 100%;
  width: var(--w);
  background: var(--c);
  border-radius: 3px;
}

.page-about .team-duty {
  margin: 9px 0 0;
  font-size: 13px;
  line-height: 1.66;
  color: var(--moss);
}

.page-about .team-figure img {
  aspect-ratio: 3 / 2;
}

/* 合作生态 */
.page-about .eco-grid {
  display: grid;
  gap: 26px;
}

.page-about .eco-text p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-about .stamp-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.page-about .stamp {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  aspect-ratio: 1;
  padding: 10px;
  text-align: center;
  border: 2px dashed rgba(124, 198, 63, 0.7);
  border-radius: 50%;
  transform: rotate(-2deg);
  transition: transform 0.28s var(--ease), background 0.28s var(--ease), color 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-about .stamp:nth-child(even) {
  transform: rotate(2.4deg);
}

.page-about .stamp:hover {
  transform: rotate(0) scale(1.04);
  background: var(--pitch);
  border-color: var(--trace);
  color: var(--chalk);
}

.page-about .stamp-cat {
  font-size: 12.5px;
  line-height: 1.4;
  font-weight: 700;
  color: inherit;
}

.page-about .stamp-year {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--moss);
}

.page-about .stamp:hover .stamp-year {
  color: var(--trace);
}

/* 收口 */
.page-about .about-cta {
  position: relative;
  overflow: hidden;
  margin-top: 44px;
  padding: 44px 0 52px;
  background: linear-gradient(150deg, var(--pitch) 10%, #0b2a1b 78%);
  color: var(--chalk);
}

.page-about .about-cta::before {
  content: "";
  position: absolute;
  inset: -10% -6%;
  background-image: radial-gradient(rgba(216, 242, 75, 0.28) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.45;
  transform: rotate(-6deg);
  pointer-events: none;
}

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

.page-about .cta-eyebrow {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--trace);
}

.page-about .cta-title {
  margin: 0 0 14px;
  font-size: clamp(24px, 6vw, 40px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-about .cta-lede {
  margin: 0 0 24px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(251, 253, 248, 0.86);
  max-width: 38em;
}

.page-about .cta-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(251, 253, 248, 0.22);
}

.page-about .cta-item {
  padding: 16px 0;
  border-bottom: 1px dashed rgba(251, 253, 248, 0.28);
}

.page-about .cta-item-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--trace);
}

.page-about .cta-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: rgba(251, 253, 248, 0.82);
}

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

.page-about .cta-actions .btn {
  flex: 1 1 160px;
  text-align: center;
}

.page-about .cta-links {
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(251, 253, 248, 0.7);
}

.page-about .cta-links a {
  color: var(--trace);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .cta-links a:hover {
  color: var(--chalk);
}

@media (min-width: 820px) {
  .page-about .about-top {
    padding-top: 26px;
  }

  .page-about .about-hero {
    padding: 20px 0 64px;
  }

  .page-about .hero-grid {
    grid-template-columns: 1.35fr 1fr;
    align-items: start;
    gap: 48px;
    margin-top: 34px;
  }

  .page-about .hero-lede {
    font-size: 18px;
  }

  .page-about .hero-meta {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .section {
    padding: 68px 0;
  }

  .page-about .origin-grid {
    grid-template-columns: 1.15fr 1fr;
    gap: 52px;
    align-items: start;
  }

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

  .page-about .process-grid {
    grid-template-columns: 320px 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-about .process-figure {
    position: sticky;
    top: 32px;
  }

  .page-about .track-list {
    padding-left: 46px;
    max-width: 60em;
  }

  .page-about .track-list::before {
    left: 12px;
  }

  .page-about .track-item::before {
    left: -41px;
    top: 25px;
  }

  .page-about .track-trigger {
    font-size: 17px;
    padding: 18px 2px;
  }

  .page-about .team-bars {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .page-about .team-figure {
    max-width: 760px;
  }

  .page-about .eco-grid {
    grid-template-columns: 1fr 1fr;
    gap: 52px;
    align-items: start;
  }

  .page-about .stamp-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-about .about-cta {
    margin-top: 72px;
    padding: 72px 0 80px;
  }

  .page-about .cta-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 32px;
  }

  .page-about .cta-actions .btn {
    flex: 0 0 auto;
    min-width: 168px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-bar,
  .page-about .stamp,
  .page-about .track-trigger,
  .page-about .track-item::before {
    transition: none;
  }

  .page-about .team-bar:hover,
  .page-about .stamp:hover,
  .page-about .track-trigger:hover {
    transform: none;
  }
}