.page-about .hero {
  position: relative;
  padding: clamp(16px, 3vw, 30px) 0 clamp(56px, 9vw, 110px);
  background:
    radial-gradient(92% 74% at 94% -12%, rgba(59, 242, 206, 0.16), transparent 62%),
    radial-gradient(70% 62% at -12% 112%, rgba(245, 183, 64, 0.10), transparent 60%),
    var(--ink);
  overflow: hidden;
}

.page-about .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 44px);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-about .hero-lead .eyebrow {
  margin-bottom: 14px;
}

.page-about .hero-lead h1 {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  color: var(--paper);
  line-height: 1.02;
}

.page-about .hero-lede {
  max-width: 36em;
  color: var(--cool);
  font-size: clamp(1rem, 1.2vw, 1.0625rem);
  line-height: 1.8;
  margin: 0;
}

.page-about .hero-facts {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 28px);
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-about .fact-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-about .fact-key {
  color: var(--sage);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-about .fact-val {
  color: var(--cyan);
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  font-weight: 600;
  line-height: 1;
}

.page-about .fact-unit {
  font-size: 0.62em;
  color: var(--mist);
  margin-left: 2px;
}

.page-about .fact-note {
  margin: 4px 0 0;
  color: var(--sage);
  font-size: 12px;
  line-height: 1.65;
}

/* ---------- 通用栏目头 ---------- */
.page-about .sec-head {
  max-width: 44rem;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.page-about .sec-head .eyebrow {
  margin-bottom: 12px;
}

.page-about .sec-head h2 {
  margin: 0 0 16px;
  color: var(--paper);
}

.page-about .sec-lede {
  margin: 0;
  max-width: 38em;
  color: var(--cool);
  line-height: 1.8;
  font-size: 1rem;
}

/* ---------- 年表 ---------- */
.page-about .tl {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .tl-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(20px, 3vw, 30px) 0;
  border-top: 1px solid var(--line);
}

.page-about .tl-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-about .tl-year {
  color: var(--amber);
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.page-about .tl-title {
  margin: 0 0 8px;
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  font-weight: 700;
  color: var(--paper);
  letter-spacing: -0.01em;
}

.page-about .tl-body p {
  margin: 0;
  max-width: 40em;
  color: var(--cool);
  line-height: 1.8;
  font-size: 0.95rem;
}

/* ---------- 生产流程 ---------- */
.page-about .flow {
  list-style: none;
  margin: 0 0 clamp(36px, 5vw, 56px);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 32px);
}

.page-about .flow-step {
  padding-top: 18px;
  border-top: 2px solid var(--line-strong);
}

.page-about .flow-num {
  display: block;
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.16em;
  margin-bottom: 10px;
}

.page-about .flow-step h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .flow-step p {
  margin: 0;
  color: var(--cool);
  font-size: 0.925rem;
  line-height: 1.8;
}

.page-about .team-strip {
  display: grid;
  gap: 12px;
  padding: clamp(18px, 2.6vw, 24px);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--panel);
  margin-bottom: clamp(36px, 5vw, 56px);
}

.page-about .team-strip-title {
  margin: 0;
  color: var(--sage);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-about .team-bar {
  display: flex;
  height: 42px;
  border-radius: 999px;
  overflow: hidden;
  gap: 2px;
}

.page-about .team-seg {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  transition: flex-grow 300ms ease-out;
}

.page-about .team-seg--edit {
  flex: 26 1 0;
  background: var(--cyan);
}

.page-about .team-seg--data {
  flex: 14 1 0;
  background: var(--mist);
}

.page-about .team-seg--care {
  flex: 12 1 0;
  background: var(--amber);
}

.page-about .p-cut {
  margin: 0;
  clip-path: polygon(0 0, 100% 3.2%, 100% 100%, 0 96.8%);
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--panel-2);
}

.page-about .p-cut img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.72) brightness(0.86);
}

.page-about .p-cut figcaption {
  padding: 14px clamp(16px, 3vw, 28px) 18px;
  color: var(--sage);
  font-size: 12.5px;
  line-height: 1.7;
}

/* ---------- 覆盖与分类 ---------- */
.page-about .cover-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-about .cover-chart {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 32px);
}

.page-about .chart-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 18px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-about .chart-num {
  color: var(--amber);
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 600;
  line-height: 1;
}

.page-about .chart-cap {
  color: var(--sage);
  font-size: 13px;
}

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

.page-about .cat-row {
  display: grid;
  grid-template-columns: 3.6em minmax(0, 1fr) 2em;
  align-items: center;
  gap: 12px;
}

.page-about .cat-name {
  color: var(--cool);
  font-size: 13.5px;
  letter-spacing: 0.02em;
}

.page-about .cat-bar {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: rgba(155, 232, 218, 0.10);
  overflow: hidden;
}

.page-about .cat-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--mist));
  transition: filter 200ms ease-out;
}

.page-about .cat-row:hover .cat-fill,
.page-about .cat-row:focus-within .cat-fill {
  filter: brightness(1.18);
}

.page-about .cat-row:hover .cat-num {
  color: var(--cyan);
}

.page-about .cat-num {
  color: var(--paper);
  font-size: 14px;
  font-weight: 600;
  text-align: right;
  transition: color 200ms ease-out;
}

.page-about .chart-note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--sage);
  font-size: 12.5px;
  line-height: 1.75;
}

.page-about .cover-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel-2);
}

.page-about .cover-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.76) brightness(0.9);
}

.page-about .cover-figure figcaption {
  padding: 14px 18px 18px;
  color: var(--sage);
  font-size: 12.5px;
  line-height: 1.7;
}

/* ---------- 三档节奏 ---------- */
.page-about .rhythm {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-about .rhythm-item {
  padding: clamp(22px, 3vw, 30px) 0;
  border-top: 1px solid var(--line);
}

.page-about .rhythm-item h3 {
  margin: 14px 0 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .rhythm-item p {
  margin: 0;
  max-width: 34em;
  color: var(--cool);
  font-size: 0.925rem;
  line-height: 1.8;
}

.page-about .rhythm-foot {
  margin: clamp(24px, 4vw, 36px) 0 0;
  color: var(--sage);
  font-size: 13.5px;
  line-height: 1.85;
}

.page-about .rhythm-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 242, 206, 0.4);
}

.page-about .rhythm-foot a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 合作生态（浅色带） ---------- */
.page-about .eco {
  background: var(--paper);
  color: var(--ink);
}

.page-about .eco .sec-head--light h2 {
  color: var(--ink);
}

.page-about .eco .sec-head--light .eyebrow {
  color: #8A5C00;
}

.page-about .eco .sec-lede {
  color: #35514A;
}

.page-about .eco-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-about .eco-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(22px, 3vw, 30px);
}

.page-about .eco-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding-bottom: clamp(20px, 3vw, 26px);
  border-bottom: 1px solid rgba(7, 21, 18, 0.12);
}

.page-about .eco-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .eco-num {
  color: #0F6E5E;
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 600;
  line-height: 1.1;
}

.page-about .eco-list h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
}

.page-about .eco-list p {
  margin: 0;
  max-width: 38em;
  color: #35514A;
  font-size: 0.925rem;
  line-height: 1.8;
}

.page-about .eco-list a {
  color: #0F6E5E;
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 110, 94, 0.4);
}

.page-about .eco-list a:hover {
  border-bottom-color: #0F6E5E;
}

.page-about .eco-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink);
  border: 1px solid rgba(7, 21, 18, 0.14);
}

.page-about .eco-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.7) brightness(0.82);
}

.page-about .eco-figure figcaption {
  padding: 14px 18px 18px;
  background: var(--paper);
  color: #4B645C;
  font-size: 12.5px;
  line-height: 1.7;
}

/* ---------- 为什么 ---------- */
.page-about .why-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .why-item {
  background: var(--panel);
  padding: clamp(22px, 3vw, 34px);
}

.page-about .why-num {
  display: block;
  color: var(--amber);
  font-size: 12px;
  letter-spacing: 0.18em;
  margin-bottom: 12px;
}

.page-about .why-item h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--paper);
}

.page-about .why-item p {
  margin: 0;
  color: var(--cool);
  font-size: 0.925rem;
  line-height: 1.8;
}

.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: clamp(32px, 5vw, 48px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .tl-item {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: clamp(20px, 4vw, 56px);
    align-items: start;
  }

  .page-about .tl-year {
    padding-top: 4px;
  }

  .page-about .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(20px, 2.6vw, 36px);
  }

  .page-about .rhythm {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 clamp(20px, 3vw, 40px);
  }

  .page-about .rhythm-item {
    padding-right: clamp(12px, 2vw, 20px);
  }

  .page-about .why-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .eco-list li {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: clamp(16px, 3vw, 32px);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-about .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(32px, 5vw, 72px);
  }

  .page-about .cover-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }

  .page-about .eco-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-seg,
  .page-about .cat-fill,
  .page-about .cat-num {
    transition: none;
  }
}
<<<END>>>