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

.page-about .about-block {
  padding-block: clamp(44px, 7vw, 92px);
}

.page-about .about-block--tint {
  background: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  display: grid;
  gap: 36px;
  padding-block: clamp(24px, 4vw, 56px) clamp(40px, 6vw, 84px);
}

.page-about .about-hero__text > .idx {
  color: var(--kiwi-800);
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.4vw, 56px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--seed-900);
  margin: 14px 0 0;
  max-width: 14em;
}

.page-about .about-lede {
  font-size: 17px;
  line-height: 1.85;
  color: var(--seed-600);
  max-width: 34em;
  margin: 22px 0 0;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-hero__status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--seed-600);
  line-height: 1.6;
}

.page-about .about-panel {
  display: grid;
  gap: 20px;
  justify-items: center;
  align-content: start;
}

.page-about .about-slice {
  position: relative;
  width: min(100%, 320px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    conic-gradient(from 10deg,
      var(--kiwi-500) 0 11%, var(--kiwi-300) 11% 23%,
      var(--kiwi-500) 23% 36%, var(--kiwi-300) 36% 48%,
      var(--kiwi-500) 48% 61%, var(--kiwi-300) 61% 73%,
      var(--kiwi-500) 73% 86%, var(--kiwi-300) 86% 100%);
  box-shadow: inset 0 0 0 9px var(--seed-600), inset 0 0 0 11px var(--seed-900);
}

.page-about .about-slice::before {
  content: "";
  position: absolute;
  inset: 15%;
  border-radius: 50%;
  background-image: radial-gradient(circle, var(--seed-900) 1.5px, transparent 1.8px);
  background-size: 14px 14px;
  opacity: 0.45;
}

.page-about .about-slice__label {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2px;
  background: var(--paper);
  border: var(--rule);
  padding: 12px 20px;
  text-align: center;
}

.page-about .about-slice__label strong {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--citrus-400);
}

.page-about .about-slice__label span {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--seed-600);
}

.page-about .about-panel__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--seed-600);
}

/* ---------- 通用标题 ---------- */
.page-about .about-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-about .about-head h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 800;
  line-height: 1.28;
  color: var(--seed-900);
  margin: 0;
}

.page-about .about-prose {
  max-width: 36em;
}

.page-about .about-prose p {
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--seed-600);
  margin: 0 0 18px;
}

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

.page-about .about-lead-line {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--seed-900);
  border-left: 3px solid var(--kiwi-500);
  padding-left: 16px;
  margin-bottom: 24px;
}

/* ---------- 四道手 ---------- */
.page-about .about-flow {
  display: grid;
  gap: 32px;
}

.page-about .about-steps {
  display: grid;
  gap: 8px;
}

.page-about .about-step {
  background: var(--mist);
  padding: 18px 36px 18px 20px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 18px) 100%, 0 100%);
  transition: background 200ms var(--ease);
}

.page-about .about-step:hover {
  background: #DDE8CC;
}

.page-about .about-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--kiwi-800);
  margin-bottom: 4px;
}

.page-about .about-step h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--seed-900);
  margin: 0 0 6px;
}

.page-about .about-step p {
  font-size: 15px;
  line-height: 1.72;
  color: var(--seed-600);
  margin: 0;
}

.page-about .about-flow__figure {
  margin: 0;
  align-self: start;
}

.page-about .about-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--rule);
  background: var(--mist);
}

.page-about .about-flow__figure figcaption {
  margin-top: 10px;
  color: var(--seed-600);
}

/* ---------- 斜切带 ---------- */
.page-about .about-slant {
  position: relative;
  height: 72px;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.page-about .about-slant::before {
  content: "";
  position: absolute;
  inset: -60px -12%;
  background: var(--mist);
  transform: skewY(-3deg);
}

.page-about .about-slant span {
  position: relative;
  z-index: 1;
  color: var(--seed-600);
  letter-spacing: 0.12em;
}

/* ---------- 团队 ---------- */
.page-about .about-team-layout {
  display: grid;
  gap: 26px;
}

.page-about .about-team {
  display: grid;
  gap: 14px;
}

.page-about .about-team-card {
  position: relative;
  background: var(--paper);
  border-left: 3px solid var(--kiwi-500);
  padding: 20px 22px 28px;
  transition: transform 200ms var(--ease), border-color 200ms var(--ease);
}

.page-about .about-team-card:hover {
  transform: translateY(-2px);
  border-left-color: var(--kiwi-800);
}

.page-about .about-team-card::after {
  content: "";
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 8px;
  height: 8px;
  background: var(--citrus-400);
}

.page-about .about-team-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--seed-900);
  margin-bottom: 8px;
}

.page-about .about-team-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--seed-900);
  margin: 0 0 8px;
}

.page-about .about-team-card p {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--seed-600);
  margin: 0;
}

.page-about .about-team-figure {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: var(--rule);
  background: var(--paper);
}

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

.page-about .about-team-note {
  max-width: 46em;
  margin: 26px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--seed-600);
  border-top: var(--rule);
  padding-top: 18px;
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline {
  position: relative;
  display: grid;
  gap: 30px;
  padding-left: 22px;
  border-left: 1px solid var(--kiwi-500);
}

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

.page-about .about-tl-item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 7px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--kiwi-500);
  transition: transform 200ms var(--ease);
}

.page-about .about-tl-item:hover::before {
  transform: scale(1.35);
}

.page-about .about-tl-year {
  display: block;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--kiwi-800);
  margin-bottom: 4px;
}

.page-about .about-tl-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--seed-900);
  margin: 0 0 6px;
}

.page-about .about-tl-item p {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--seed-600);
  margin: 0;
}

/* ---------- 切面 ---------- */
.page-about .about-visual {
  display: grid;
  gap: 32px;
}

.page-about .about-visual__figure {
  margin: 0;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: var(--rule);
  background: var(--mist);
}

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

/* ---------- 四条做法 ---------- */
.page-about .about-practices {
  border-top: var(--rule);
  max-width: 46em;
}

.page-about .about-practice {
  border-bottom: var(--rule);
}

.page-about .about-practice summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-about .about-practice summary .idx {
  color: var(--kiwi-800);
  flex: none;
}

.page-about .about-practice summary h3 {
  flex: 1;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--seed-900);
  margin: 0;
}

.page-about .about-plus {
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--kiwi-800);
  transition: transform 200ms var(--ease);
}

.page-about .about-practice[open] .about-plus {
  transform: rotate(45deg);
}

.page-about .about-practice p {
  margin: 0 0 20px;
  padding-left: 42px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--seed-600);
}

.page-about .about-close {
  max-width: 40em;
  margin: clamp(28px, 4vw, 44px) 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--seed-600);
}

.page-about .about-close a {
  color: var(--kiwi-800);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-close a:hover {
  color: var(--seed-900);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-team {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: clamp(32px, 5vw, 72px);
  }

  .page-about .about-panel {
    justify-items: end;
  }

  .page-about .about-panel__meta {
    justify-content: flex-end;
  }

  .page-about .about-split {
    display: grid;
    grid-template-columns: 4fr 7fr;
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-about .about-split .about-head {
    margin-bottom: 0;
  }

  .page-about .about-flow {
    grid-template-columns: 7fr 5fr;
    gap: clamp(28px, 4vw, 48px);
  }

  .page-about .about-team-layout {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 28px;
    align-items: start;
  }

  .page-about .about-timeline {
    grid-template-columns: repeat(5, 1fr);
    gap: 22px;
    padding-left: 0;
    padding-top: 30px;
    border-left: 0;
    border-top: 1px solid var(--kiwi-500);
  }

  .page-about .about-tl-item::before {
    left: 0;
    top: -35px;
  }

  .page-about .about-visual {
    grid-template-columns: 6fr 5fr;
    gap: clamp(32px, 5vw, 64px);
    align-items: center;
  }

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

@media (min-width: 1180px) {
  .page-about .about-team-layout {
    grid-template-columns: 1.35fr 0.65fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-step,
  .page-about .about-team-card,
  .page-about .about-tl-item::before,
  .page-about .about-plus {
    transition: none;
  }

  .page-about .about-team-card:hover {
    transform: none;
  }
}
<<<END>>>