.page-about {
  padding-top: var(--header-h);
  background: var(--cream);
  color: var(--ink);
  overflow-x: clip;
}

.page-about .section {
  padding-block: clamp(46px, 8vw, 92px);
  position: relative;
}

.page-about .band--paper { background: var(--paper); }
.page-about .band--leaf { background: rgba(46, 125, 91, .08); }
.page-about .band--flesh { background: rgba(251, 224, 196, .55); }
.page-about .band--gold { background: rgba(217, 122, 0, .09); }
.page-about .band--deep {
  background: var(--deep-green);
  color: var(--cream);
}
.page-about .band--deep .t-section,
.page-about .band--deep .t-sub { color: var(--cream); }
.page-about .band--deep .eyebrow { color: var(--flesh-orange); }
.page-about .band--deep .lede { color: rgba(255, 247, 236, .78); }

.page-about .section__head {
  max-width: 72ch;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-about .section__head .lede {
  margin-top: 16px;
  color: var(--ink-soft);
  max-width: 62ch;
}

.page-about .about-copy {
  margin: 0 0 18px;
  color: var(--ink-soft);
  max-width: 68ch;
}

/* ---------- 面包屑 ---------- */
.page-about .about-trail {
  padding-block: 12px;
  border-bottom: 1px solid var(--line);
  background: var(--cream);
}
.page-about .about-trail .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  letter-spacing: .04em;
  color: var(--ink-soft);
}
.page-about .about-trail .breadcrumb a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-bottom-color .18s var(--ease);
}
.page-about .about-trail .breadcrumb a:hover,
.page-about .about-trail .breadcrumb a:focus-visible {
  color: var(--flesh-orange);
  border-bottom-color: currentColor;
}
.page-about .about-trail .breadcrumb [aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(115% 95% at 92% -18%, rgba(242, 140, 40, .22), transparent 58%),
    radial-gradient(90% 80% at -12% 112%, rgba(46, 125, 91, .16), transparent 62%),
    var(--cream);
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: repeating-linear-gradient(115deg,
    var(--peel-red) 0 20px,
    var(--flesh-orange) 20px 40px,
    var(--leaf-green) 40px 60px,
    var(--berry) 60px 80px,
    var(--gold-orange) 80px 100px);
}
.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  padding-block: clamp(36px, 7vw, 76px);
}
.page-about .about-hero__lead h1 {
  margin: 14px 0 0;
  color: var(--ink);
  letter-spacing: -.02em;
}
.page-about .about-hero__lead .lede {
  margin: 20px 0 0;
  max-width: 54ch;
  color: var(--ink-soft);
}
.page-about .about-hero__actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-hero__board {
  position: relative;
  align-self: start;
  padding: 26px 22px 30px;
  background: var(--deep-green);
  color: var(--cream);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}
.page-about .about-hero__board::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 42%;
  height: 4px;
  background: var(--flesh-orange);
}
.page-about .about-board__title {
  margin: 0 0 16px;
  font-size: .74rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: rgba(255, 247, 236, .58);
}
.page-about .about-board__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-about .about-board__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(255, 247, 236, .2);
  font-size: .9rem;
}
.page-about .about-board__list li:last-child { border-bottom: 0; }
.page-about .about-board__k {
  flex: 0 0 auto;
  font-size: .74rem;
  letter-spacing: .08em;
  color: rgba(255, 247, 236, .55);
}
.page-about .about-board__v {
  text-align: right;
  font-weight: 600;
  line-height: 1.5;
}
.page-about .about-board__note {
  margin: 16px 0 0;
  font-size: .78rem;
  color: rgba(255, 247, 236, .6);
}

/* ---------- 统计条 ---------- */
.page-about .about-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.page-about .about-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px 15px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--stat-accent, var(--flesh-orange));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}
.page-about .stat--flesh { --stat-accent: var(--flesh-orange); }
.page-about .stat--leaf  { --stat-accent: var(--leaf-green); }
.page-about .stat--gold  { --stat-accent: var(--gold-orange); }
.page-about .stat--berry { --stat-accent: var(--berry); }

.page-about .about-stats .stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 6.5vw, 2.3rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--ink);
}
.page-about .about-stats .stat__label {
  font-size: .8rem;
  letter-spacing: .03em;
  color: var(--ink-soft);
}

/* ---------- 团队分工 ---------- */
.page-about .about-team {
  margin-top: clamp(30px, 5vw, 48px);
  padding: 24px 20px 20px;
  background: #fff;
  border-left: 4px solid var(--leaf-green);
  box-shadow: 0 1px 0 var(--line);
}
.page-about .about-team .t-sub { margin: 0 0 10px; }
.page-about .about-team__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
}
.page-about .about-team__list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.page-about .about-team__num {
  flex: 0 0 auto;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--leaf-green);
  min-width: 1.4em;
}
.page-about .about-team__role {
  font-size: .9rem;
  color: var(--ink-soft);
}
.page-about .about-team__note {
  margin: 18px 0 0;
  font-size: .84rem;
  color: var(--ink-soft);
  padding-left: 12px;
  border-left: 2px solid var(--flesh-orange);
}

/* ---------- 产地协作 ---------- */
.page-about .about-origin {
  display: grid;
  gap: 30px;
}
.page-about .about-origin .figure { margin: 0; }
.page-about .about-origin__body .t-sub { margin: 0 0 12px; }
.page-about .about-origin__roles {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-about .about-origin__roles li {
  position: relative;
  padding: 14px 16px 14px 20px;
  background: #fff;
  border-left: 3px solid var(--leaf-green);
  font-size: .92rem;
  color: var(--ink-soft);
  line-height: 1.7;
}
.page-about .about-origin__roles strong {
  color: var(--ink);
  font-weight: 700;
  margin-right: .4em;
}
.page-about .about-origin__label {
  margin: 0 0 10px;
  font-size: .74rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--leaf-green);
}
.page-about .about-origin__tags {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
}
.page-about .about-origin__hint {
  margin: 0;
  font-size: .84rem;
  color: var(--ink-faint);
}

/* ---------- 分选流程 ---------- */
.page-about .about-steps {
  list-style: none;
  margin: 0 0 clamp(28px, 4vw, 44px);
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: none;
}
.page-about .about-step {
  position: relative;
  padding: 20px 18px 18px;
  background: #fff;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}
.page-about .about-step:hover {
  transform: translateY(-3px);
  border-color: var(--flesh-orange);
}
.page-about .about-step__n {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--flesh-orange);
  letter-spacing: -.02em;
  margin-bottom: 8px;
}
.page-about .about-step .t-sub { margin: 0 0 8px; }
.page-about .about-step p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-about .about-quality {
  display: grid;
  gap: 26px;
}
.page-about .about-quality__figure { margin: 0; }

.page-about .about-metrics {
  padding: 24px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--leaf-green);
}
.page-about .about-metrics__title {
  margin: 0 0 16px;
  font-size: .74rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--leaf-green);
}
.page-about .about-metrics__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-about .about-metrics__list li {
  display: grid;
  grid-template-columns: 5.5em 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: .88rem;
}
.page-about .about-metrics__list li:last-child { border-bottom: 0; padding-bottom: 0; }
.page-about .about-metrics__k {
  font-weight: 700;
  color: var(--ink);
}
.page-about .about-metrics__d {
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ---------- 招商模式 ---------- */
.page-about .about-coop__figure { margin: 0 0 clamp(26px, 4vw, 40px); }

.page-about .about-coop__table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  background: #fff;
}
.page-about .about-coop__table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: .88rem;
}
.page-about .about-coop__table caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px;
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--ink-faint);
  border-bottom: 1px solid var(--line);
}
.page-about .about-coop__table th,
.page-about .about-coop__table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
}
.page-about .about-coop__table thead th {
  background: var(--deep-green);
  color: var(--cream);
  font-weight: 600;
  letter-spacing: .04em;
  font-size: .82rem;
  border-bottom: 0;
  white-space: nowrap;
}
.page-about .about-coop__table tbody th {
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
  border-left: 3px solid transparent;
}
.page-about .about-coop__table tbody td .mono,
.page-about .about-coop__table tbody td.mono {
  font-family: var(--font-mono);
  font-size: .86rem;
  font-weight: 600;
  color: var(--gold-orange);
}
.page-about .about-coop__table tbody tr {
  transition: background-color .18s var(--ease);
}
.page-about .about-coop__table tbody tr:hover {
  background: var(--light-orange);
}
.page-about .about-coop__table tbody tr:hover th {
  border-left-color: var(--flesh-orange);
}

.page-about .about-coop__note {
  margin: 16px 0 0;
  font-size: .86rem;
  color: var(--ink-soft);
  padding-left: 14px;
  border-left: 3px solid var(--gold-orange);
}

/* ---------- 合作支持 ---------- */
.page-about .about-support {
  display: grid;
  gap: 34px;
}
.page-about .about-support__col .t-sub { margin: 0 0 14px; }
.page-about .about-support__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-about .about-support__list li {
  padding: 13px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold-orange);
  font-size: .9rem;
  line-height: 1.72;
  color: var(--ink-soft);
}
.page-about .about-support__list strong {
  color: var(--ink);
  font-weight: 700;
  margin-right: .35em;
}
.page-about .about-support__contact {
  margin: 0;
  padding: 16px 18px;
  background: var(--deep-green);
  color: rgba(255, 247, 236, .84);
  font-size: .86rem;
  line-height: 1.8;
}
.page-about .about-support__contact .mono {
  color: var(--light-orange);
  font-weight: 600;
}

.page-about .about-faq__item {
  background: #fff;
  border: 1px solid var(--line);
  margin-bottom: 10px;
}
.page-about .about-faq__item summary {
  cursor: pointer;
  list-style: none;
  padding: 15px 44px 15px 18px;
  position: relative;
  font-weight: 600;
  font-size: .92rem;
  color: var(--ink);
  transition: color .18s var(--ease), background-color .18s var(--ease);
}
.page-about .about-faq__item summary::-webkit-details-marker { display: none; }
.page-about .about-faq__item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--flesh-orange);
  line-height: 1;
}
.page-about .about-faq__item[open] summary::after { content: "–"; }
.page-about .about-faq__item summary:hover,
.page-about .about-faq__item summary:focus-visible {
  color: var(--flesh-orange);
  background: rgba(251, 224, 196, .4);
}
.page-about .about-faq__item p {
  margin: 0;
  padding: 0 18px 18px;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 0;
}
.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 6px;
  width: 2px;
  background: linear-gradient(180deg,
    var(--flesh-orange),
    var(--peel-red) 35%,
    var(--berry) 62%,
    var(--leaf-green) 100%);
  opacity: .6;
}
.page-about .about-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 0 0 26px 30px;
}
.page-about .about-timeline__item:last-child { padding-bottom: 0; }
.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 14px;
  background: var(--deep-green);
  border: 2px solid var(--flesh-orange);
  border-radius: 50%;
  box-sizing: border-box;
}
.page-about .about-timeline__year {
  font-size: .86rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--flesh-orange);
}
.page-about .about-timeline__body .t-sub {
  margin: 2px 0 6px;
  font-size: 1.05rem;
}
.page-about .about-timeline__body p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.78;
  color: rgba(255, 247, 236, .74);
}
.page-about .about-timeline__foot {
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 247, 236, .22);
  font-size: .88rem;
  color: rgba(255, 247, 236, .72);
}
.page-about .about-timeline__foot a {
  color: var(--light-orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(251, 224, 196, .5);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}
.page-about .about-timeline__foot a:hover,
.page-about .about-timeline__foot a:focus-visible {
  color: #fff;
  border-bottom-color: #fff;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-about .about-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-team__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, .85fr);
    align-items: start;
    gap: clamp(32px, 5vw, 64px);
  }
  .page-about .about-origin {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: clamp(28px, 4vw, 48px);
    align-items: start;
  }
  .page-about .about-quality {
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
    gap: clamp(26px, 4vw, 44px);
    align-items: start;
  }
  .page-about .about-support {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 52px);
  }
  .page-about .about-team__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .page-about .about-timeline__item {
    grid-template-columns: 8.5em minmax(0, 1fr);
    gap: 18px;
    padding-left: 34px;
  }
  .page-about .about-timeline__year {
    padding-top: 3px;
    text-align: right;
  }
}

@media (min-width: 1120px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(340px, .8fr);
  }
  .page-about .about-origin {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-step,
  .page-about .about-coop__table tbody tr,
  .page-about .about-faq__item summary,
  .page-about .about-trail .breadcrumb a,
  .page-about .about-timeline__foot a {
    transition: none;
  }
  .page-about .about-step:hover { transform: none; }
}