.page-about {
  --ab-edge: rgba(185, 144, 214, 0.24);
  --ab-gold-line: rgba(214, 168, 75, 0.3);
  --ab-band: linear-gradient(90deg, var(--c-grape-live), var(--c-green) 68%, rgba(47, 179, 122, 0));
  --ab-glow: radial-gradient(circle at 22% 18%, rgba(122, 63, 160, 0.4), transparent 62%);

  background: var(--c-cellar);
  color: var(--c-paper);
  padding-top: calc(var(--header-h) + clamp(20px, 4vw, 48px));
  overflow-x: clip;
}

.page-about .band {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-bottom: clamp(22px, 3.6vw, 40px);
}

.page-about .band__num {
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  color: var(--c-gold);
}

.page-about .band__title {
  font-family: var(--f-head);
  font-weight: 500;
  font-size: clamp(1.4rem, 3.6vw, 2.3rem);
  line-height: 1.28;
  letter-spacing: 0.01em;
  margin: 0;
  flex: 1 1 min(100%, 22ch);
}

.page-about .band__rule {
  flex: 1 1 60px;
  height: 2px;
  min-width: 40px;
  border-radius: 2px;
  background: var(--ab-band);
  align-self: center;
}

/* ---------- 01 首屏 ---------- */

.about-hero {
  background: var(--ab-glow), var(--c-cellar);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.about-hero__crumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.about-hero__frame {
  position: relative;
  border: 1px solid var(--ab-gold-line);
  border-radius: var(--radius-l);
  padding: clamp(20px, 3.4vw, 46px);
  background: linear-gradient(158deg, rgba(75, 29, 107, 0.5), rgba(42, 16, 58, 0.72));
  box-shadow: var(--shadow-soft);
  margin-bottom: clamp(24px, 4vw, 44px);
}

.about-hero__corner {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 2px solid var(--c-gold);
  pointer-events: none;
}

.about-hero__corner--tl {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
  border-top-left-radius: var(--radius-l);
}

.about-hero__corner--br {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
  border-bottom-right-radius: var(--radius-l);
}

.about-hero__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  grid-template-columns: 1fr;
}

.about-hero__title {
  font-family: var(--f-head);
  font-weight: 500;
  font-size: clamp(2rem, 6.4vw, 4rem);
  line-height: 1.14;
  letter-spacing: 0.005em;
  margin: 14px 0 18px;
  color: var(--c-paper);
}

.about-hero__sub {
  max-width: 54ch;
  color: rgba(247, 242, 234, 0.8);
}

.about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.about-hero__idcard {
  padding: clamp(18px, 2.6vw, 26px);
  align-self: start;
}

.about-hero__code {
  display: block;
  font-size: clamp(1rem, 2.2vw, 1.32rem);
  letter-spacing: 0.1em;
  color: var(--c-gold-soft);
  margin: 10px 0 18px;
  word-break: break-word;
}

.about-hero__datalist {
  display: grid;
  gap: 0;
  margin: 0;
}

.about-hero__datarow {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--ab-edge);
}

.about-hero__datarow dt {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: rgba(247, 242, 234, 0.62);
}

.about-hero__datarow dd {
  margin: 0;
  font-size: 1.02rem;
  color: var(--c-green-bright);
}

.about-hero__figure {
  border-radius: var(--radius-m);
}

/* ---------- 02 起源 ---------- */

.about-origin {
  background: var(--c-paper);
  color: var(--c-ink);
  padding: clamp(44px, 7vw, 92px) 0;
}

.about-origin .band__num {
  color: var(--c-grape);
}

.about-origin .band__rule {
  background: linear-gradient(90deg, var(--c-grape), var(--c-green) 70%, rgba(47, 179, 122, 0));
}

.about-origin__body {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
  grid-template-columns: 1fr;
}

.about-origin__text {
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(21, 16, 24, 0.84);
}

.about-origin__text p + p {
  margin-top: 1em;
}

.about-origin__side {
  padding: clamp(20px, 3vw, 30px);
  border-left: 3px solid var(--c-grape);
  border-radius: var(--radius-s);
}

.about-origin__side .eyebrow {
  color: var(--c-grape);
}

.about-origin__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.about-origin__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 0.94rem;
  line-height: 1.6;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(75, 29, 107, 0.2);
}

.about-origin__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.about-origin__list .mono {
  color: var(--c-gold);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
}

.about-origin__note {
  margin-top: 18px;
  font-size: 0.86rem;
  line-height: 1.7;
  color: rgba(21, 16, 24, 0.62);
}

/* ---------- 03 版本 ---------- */

.about-vers {
  padding: clamp(44px, 7vw, 92px) 0;
  background:
    linear-gradient(180deg, rgba(75, 29, 107, 0.32), transparent 40%),
    var(--c-cellar);
}

.about-vers__intro {
  max-width: 62ch;
  font-size: 0.98rem;
  line-height: 1.8;
  color: rgba(247, 242, 234, 0.74);
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.about-vers__tabs {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

.about-vers .tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.about-vers__panels {
  display: grid;
  gap: 16px;
}

.about-vers__panel {
  border: 1px solid var(--ab-edge);
  border-radius: var(--radius-m);
  padding: clamp(20px, 3vw, 32px);
  background: rgba(255, 255, 255, 0.03);
}

.about-vers__badge {
  display: inline-block;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--c-gold-soft);
  border: 1px solid var(--ab-gold-line);
  border-radius: 999px;
  padding: 4px 12px;
  margin: 0 0 14px;
}

.about-vers__panel h3 {
  font-family: var(--f-head);
  font-weight: 500;
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  line-height: 1.4;
  margin: 0 0 12px;
  color: var(--c-paper);
}

.about-vers__panel p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(247, 242, 234, 0.76);
  max-width: 58ch;
}

.about-vers__figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
  border-radius: var(--radius-m);
}

/* ---------- 04 区域团队 ---------- */

.about-team {
  padding: clamp(44px, 7vw, 92px) 0;
  background: var(--c-cellar);
}

.about-team__layout {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
  grid-template-columns: 1fr;
}

.about-team__figure {
  margin: 0;
  border-radius: var(--radius-m);
}

.about-team__side > .lede {
  max-width: 62ch;
  color: rgba(247, 242, 234, 0.78);
  margin-bottom: clamp(20px, 3vw, 30px);
}

.about-team__grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.about-team__card {
  border: 1px solid var(--ab-edge);
  border-radius: var(--radius-s);
  padding: 18px 18px 16px;
  background: linear-gradient(150deg, rgba(122, 63, 160, 0.16), rgba(255, 255, 255, 0.02));
  transition: border-color 240ms ease, transform 240ms ease;
}

.about-team__card:hover {
  border-color: var(--ab-gold-line);
  transform: translateY(-2px);
}

.about-team__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
}

.about-team__code {
  font-size: 1.2rem;
  color: var(--c-gold);
  letter-spacing: 0.08em;
}

.about-team__name {
  font-family: var(--f-head);
  font-weight: 500;
  font-size: 1.05rem;
  margin: 0;
  color: var(--c-paper);
}

.about-team__desc {
  margin: 0 0 12px;
  font-size: 0.88rem;
  line-height: 1.72;
  color: rgba(247, 242, 234, 0.7);
}

.about-team__meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--ab-edge);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: rgba(247, 242, 234, 0.56);
}

.about-team__meta .mono {
  color: var(--c-green-bright);
  font-size: 0.86rem;
}

.about-team__tail {
  margin: 20px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(247, 242, 234, 0.68);
}

.about-team__tail .link-more {
  color: var(--c-green-bright);
}

/* ---------- 05 档案标识 ---------- */

.about-record {
  background: var(--c-paper);
  color: var(--c-ink);
  padding: clamp(44px, 7vw, 92px) 0;
}

.about-record .band__num {
  color: var(--c-grape);
}

.about-record .band__rule {
  background: linear-gradient(90deg, var(--c-grape), var(--c-green) 70%, rgba(47, 179, 122, 0));
}

.about-record__lead {
  max-width: 66ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(21, 16, 24, 0.84);
  margin: 0 0 clamp(22px, 3.4vw, 34px);
}

.about-record__table {
  border: 1px solid rgba(75, 29, 107, 0.24);
  border-radius: var(--radius-s);
  overflow: hidden;
  background: #fff;
}

.about-record__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(75, 29, 107, 0.14);
  font-size: 0.9rem;
  line-height: 1.7;
}

.about-record__row:last-child {
  border-bottom: 0;
}

.about-record__row--head {
  background: rgba(75, 29, 107, 0.08);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--c-grape);
  text-transform: uppercase;
}

.about-record__key {
  font-weight: 600;
  color: var(--c-ink);
}

.about-record__val {
  color: var(--c-grape);
  font-size: 0.98rem;
  letter-spacing: 0.06em;
}

.about-record__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 24px;
}

/* ---------- 06 合作生态 ---------- */

.about-eco {
  padding: clamp(44px, 7vw, 92px) 0;
  background:
    radial-gradient(circle at 88% 14%, rgba(47, 179, 122, 0.16), transparent 58%),
    var(--c-cellar);
}

.about-eco__grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
  grid-template-columns: 1fr;
}

.about-eco__main {
  max-width: 62ch;
  font-size: 0.98rem;
  line-height: 1.85;
  color: rgba(247, 242, 234, 0.78);
}

.about-eco__main p + p {
  margin-top: 1em;
}

.about-eco__stats {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  align-content: start;
}

.about-eco__stat {
  border: 1px solid var(--ab-edge);
  border-radius: var(--radius-s);
  padding: 18px 16px;
  background: rgba(255, 255, 255, 0.03);
}

.about-eco__stat .stat__num {
  display: block;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  color: var(--c-green-bright);
  line-height: 1.1;
}

.about-eco__stat .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: rgba(247, 242, 234, 0.6);
}

/* ---------- 07 资质荣誉 ---------- */

.about-honor {
  padding: clamp(44px, 7vw, 92px) 0;
  background: var(--c-cellar);
}

.about-honor__grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.about-honor__card {
  border: 1px solid var(--ab-gold-line);
  border-radius: var(--radius-m);
  padding: clamp(22px, 3vw, 34px);
  background: linear-gradient(160deg, rgba(42, 16, 58, 0.9), rgba(75, 29, 107, 0.34));
  box-shadow: var(--shadow-soft);
}

.about-honor__seal {
  display: inline-flex;
  color: var(--c-green-bright);
  margin-bottom: 16px;
}

.about-honor__seal--gold {
  color: var(--c-gold);
}

.about-honor__seal svg {
  width: clamp(64px, 10vw, 88px);
  height: auto;
}

.about-honor__name {
  font-family: var(--f-head);
  font-weight: 500;
  font-size: clamp(1.1rem, 2.6vw, 1.44rem);
  line-height: 1.4;
  margin: 0 0 12px;
  color: var(--c-paper);
}

.about-honor__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(247, 242, 234, 0.74);
  max-width: 56ch;
}

/* ---------- 08 收束 ---------- */

.about-cta {
  padding: 0 0 clamp(52px, 8vw, 96px);
  background: var(--c-cellar);
}

.about-cta__plate {
  display: grid;
  gap: clamp(22px, 3.4vw, 36px);
  grid-template-columns: 1fr;
  border-radius: var(--radius-l);
  padding: clamp(26px, 4.4vw, 56px);
  background: linear-gradient(118deg, var(--c-grape) 0%, var(--c-grape-live) 46%, var(--c-green) 130%);
  box-shadow: var(--shadow-glow);
}

.about-cta__text .eyebrow {
  color: var(--c-gold-soft);
}

.about-cta__title {
  font-family: var(--f-head);
  font-weight: 500;
  font-size: clamp(1.4rem, 3.8vw, 2.3rem);
  line-height: 1.28;
  margin: 12px 0 14px;
  color: #fff;
}

.about-cta__sub {
  margin: 0;
  max-width: 58ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.86);
}

.about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

.about-cta__plate .btn--ghost {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.about-cta__plate .btn--solid {
  background: var(--c-cellar);
  color: var(--c-paper);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .about-team__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .about-record__row {
    grid-template-columns: minmax(96px, 0.7fr) minmax(110px, 0.8fr) minmax(0, 2.4fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 960px) {
  .about-hero__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(260px, 0.85fr);
    align-items: start;
  }

  .about-origin__body {
    grid-template-columns: minmax(0, 1.5fr) minmax(280px, 1fr);
    align-items: start;
  }

  .about-vers__tabs {
    grid-template-columns: minmax(180px, 0.6fr) minmax(0, 1.9fr);
    align-items: start;
    gap: 32px;
  }

  .about-vers .tabs {
    flex-direction: column;
    flex-wrap: nowrap;
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .about-team__layout {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.6fr);
    align-items: start;
  }

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

  .about-eco__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }

  .about-cta__plate {
    grid-template-columns: minmax(0, 1.6fr) auto;
    align-items: center;
  }

  .about-cta__actions {
    flex-direction: column;
    align-items: stretch;
    min-width: 220px;
  }
}

@media (min-width: 1200px) {
  .about-team__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-team__card {
    transition: none;
  }
}