.page-about {
  --ab-panel: linear-gradient(165deg, rgba(20, 34, 72, .96), rgba(11, 22, 48, .96));
  --ab-edge: 1px solid rgba(227, 177, 90, .22);
  --ab-text: rgba(244, 235, 220, .78);
  display: block;
  overflow-x: clip;
  padding-bottom: 40px;
}

/* ---------- 面包屑 ---------- */
.page-about .crumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 22px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-about .crumbs a {
  color: var(--mist);
  text-decoration: none;
  transition: color .2s ease;
}

.page-about .crumbs a:hover { color: var(--gold); }

.page-about .crumbs span:last-child { color: var(--gold-light); }

/* ---------- 章节骨架 ---------- */
.page-about .section { padding-top: 68px; }

.page-about .section--tight { padding-top: 58px; }

.page-about .section__head {
  display: grid;
  gap: 12px;
  margin-bottom: 30px;
}

.page-about .section__no {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-about .about-h2 {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(24px, 4.6vw, 34px);
  line-height: 1.3;
  letter-spacing: -.005em;
  color: var(--white);
}

.page-about .about-sub {
  margin: 0;
  max-width: 68ch;
  font-family: var(--f-body);
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--ab-text);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero { padding-top: 28px; }

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-about .about-hero__lead h1 {
  margin: 12px 0 20px;
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(32px, 7.2vw, 58px);
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--white);
}

.page-about .about-hero__lead .lead {
  margin: 0 0 16px;
  max-width: 60ch;
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--ab-text);
}

.page-about .about-hero__lead .lead:last-child { margin-bottom: 0; }

.page-about .about-mosaic {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-about .about-cell {
  position: relative;
  overflow: hidden;
  padding: 18px 16px 16px;
  border: var(--ab-edge);
  border-radius: var(--r-md);
  background: var(--ab-panel);
  transition: transform .25s ease, border-color .25s ease;
}

.page-about .about-cell::after {
  content: "";
  position: absolute;
  right: -34px;
  bottom: -52px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(227, 177, 90, .3), rgba(227, 177, 90, 0) 70%);
  pointer-events: none;
}

.page-about .about-cell:nth-child(3)::after {
  background: radial-gradient(circle, rgba(123, 92, 255, .32), rgba(123, 92, 255, 0) 70%);
}

.page-about .about-cell:nth-child(5)::after {
  background: radial-gradient(circle, rgba(95, 211, 180, .3), rgba(95, 211, 180, 0) 70%);
}

.page-about .about-cell:hover {
  transform: translateY(-2px);
  border-color: rgba(246, 217, 152, .5);
}

.page-about .about-cell--wide { grid-column: 1 / -1; }

.page-about .about-cell__num {
  display: block;
  font-family: var(--f-mono);
  font-weight: 600;
  font-size: 28px;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--gold);
}

.page-about .about-cell--wide .about-cell__num { font-size: 40px; }

.page-about .about-cell__label {
  display: block;
  margin-top: 9px;
  font-family: var(--f-body);
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: .05em;
  color: var(--mist);
}

/* ---------- 内容族群 ---------- */
.page-about .about-families {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .about-family {
  padding: 20px 20px 20px 22px;
  border: 1px solid var(--line-mist);
  border-left: 2px solid rgba(227, 177, 90, .5);
  border-radius: var(--r-md);
  background: rgba(20, 34, 72, .66);
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}

.page-about .about-family:hover {
  transform: translateY(-2px);
  border-color: rgba(227, 177, 90, .38);
  border-left-color: var(--gold);
  background: rgba(27, 44, 87, .78);
}

.page-about .about-family__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 9px;
}

.page-about .about-family__no {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-about .about-family__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.3;
  color: var(--white);
}

.page-about .about-family__text {
  margin: 0;
  font-family: var(--f-body);
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ab-text);
}

/* ---------- 限红刻度 ---------- */
.page-about .about-scale {
  margin-top: 30px;
  padding: 24px 20px 20px;
  border: var(--ab-edge);
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, rgba(27, 44, 87, .9), rgba(11, 22, 48, .94));
}

.page-about .about-scale__title {
  margin: 0 0 12px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--gold-light);
}

.page-about .about-scale__text {
  margin: 0 0 26px;
  max-width: 72ch;
  font-family: var(--f-body);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ab-text);
}

.page-about .about-scale__rail {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 0 5px;
}

.page-about .about-scale__rail::before {
  content: "";
  position: absolute;
  left: 5px;
  right: 5px;
  top: 50%;
  height: 1px;
  transform: translateY(-50%);
  background: linear-gradient(90deg, rgba(95, 211, 180, .65), var(--gold) 50%, rgba(123, 92, 255, .7));
}

.page-about .about-scale__tick {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--gold);
  animation: ab-breathe 7s ease-in-out infinite;
}

.page-about .about-scale__tick:nth-child(2) { animation-delay: .6s; }
.page-about .about-scale__tick:nth-child(3) { animation-delay: 1.2s; }
.page-about .about-scale__tick:nth-child(4) { animation-delay: 1.8s; }
.page-about .about-scale__tick:nth-child(5) { animation-delay: 2.4s; }
.page-about .about-scale__tick:nth-child(6) { animation-delay: 3s; }
.page-about .about-scale__tick:nth-child(7) { animation-delay: 3.6s; }
.page-about .about-scale__tick:nth-child(8) { animation-delay: 4.2s; }
.page-about .about-scale__tick:nth-child(9) { animation-delay: 4.8s; }

.page-about .about-scale__tick:first-child,
.page-about .about-scale__tick:last-child {
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(227, 177, 90, .16);
}

@keyframes ab-breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(227, 177, 90, 0); }
  50% { box-shadow: 0 0 0 3px rgba(227, 177, 90, .14); }
}

.page-about .about-scale__ends {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 16px;
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--gold-light);
}

.page-about .about-scale__ends span:nth-child(2) { color: var(--mist); }

/* ---------- 地域化服务 ---------- */
.page-about .about-region {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-about .about-region__cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-about .about-region__card {
  padding: 22px 20px;
  border: var(--ab-edge);
  border-radius: var(--r-md);
  background: var(--ab-panel);
  transition: transform .25s ease, border-color .25s ease;
}

.page-about .about-region__card:hover {
  transform: translateY(-2px);
  border-color: rgba(246, 217, 152, .48);
}

.page-about .about-region__coord {
  margin: 0 0 12px;
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--jade);
}

.page-about .about-region__title {
  margin: 0 0 10px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.32;
  color: var(--white);
}

.page-about .about-region__text {
  margin: 0;
  font-family: var(--f-body);
  font-size: 14.5px;
  line-height: 1.84;
  color: var(--ab-text);
}

/* ---------- 通用图注 ---------- */
.page-about .about-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-gold);
  border-radius: var(--r-lg);
  background: var(--ink-2);
}

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

.page-about .about-figure__cap {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--line-mist);
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-about .about-team__ring {
  display: grid;
  justify-items: center;
  gap: 16px;
}

.page-about .about-ring {
  display: grid;
  place-items: center;
  width: 188px;
  height: 188px;
  border-radius: 50%;
  background: conic-gradient(
    var(--gold) 0deg 66deg,
    var(--violet) 66deg 132deg,
    var(--jade) 132deg 198deg,
    var(--gold-light) 198deg 264deg,
    var(--mist) 264deg 314deg,
    var(--rose) 314deg 360deg
  );
  box-shadow: 0 0 0 1px var(--line-gold), 0 0 46px -10px rgba(227, 177, 90, .45);
}

.page-about .about-ring__hole {
  display: grid;
  place-items: center;
  width: 126px;
  height: 126px;
  border-radius: 50%;
  border: 1px solid var(--line-mist);
  background: var(--ink);
}

.page-about .about-ring__num {
  font-family: var(--f-mono);
  font-weight: 600;
  font-size: 40px;
  line-height: 1;
  color: var(--white);
}

.page-about .about-ring__cap {
  margin-top: 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-about .about-team__note {
  margin: 0;
  text-align: center;
  font-family: var(--f-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-team__body { min-width: 0; }

.page-about .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-about .tabs__tab {
  padding: 8px 16px;
  border: 1px solid var(--line-mist);
  border-radius: var(--r-pill);
  background: rgba(20, 34, 72, .6);
  color: var(--mist);
  font-family: var(--f-body);
  font-size: 13.5px;
  line-height: 1.4;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.page-about .tabs__tab:hover {
  color: var(--gold-light);
  border-color: rgba(227, 177, 90, .42);
}

.page-about .tabs__tab[aria-selected="true"] {
  color: var(--ink);
  border-color: var(--gold);
  background: var(--gold);
}

.page-about .tabs__panel {
  padding: 20px 20px 18px;
  border: 1px solid var(--line-mist);
  border-radius: var(--r-md);
  background: rgba(20, 34, 72, .62);
}

.page-about .tabs__panel + .tabs__panel { margin-top: 12px; }

.page-about .about-team__ptitle {
  margin: 0 0 8px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.35;
  color: var(--gold-light);
}

.page-about .about-team__ptext {
  margin: 0;
  font-family: var(--f-body);
  font-size: 14.5px;
  line-height: 1.84;
  color: var(--ab-text);
}

/* ---------- 流转路径 ---------- */
.page-about .about-flow__head {
  margin: 40px 0 0;
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-about .about-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-flow__step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line-mist);
  border-radius: var(--r-sm);
  background: rgba(20, 34, 72, .55);
}

.page-about .about-flow__no {
  font-family: var(--f-mono);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-about .about-flow__txt {
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(244, 235, 220, .86);
}

/* ---------- 历程时间线 ---------- */
.page-about .about-banner { margin-bottom: 30px; }

.page-about .about-timeline { position: relative; }

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--gold), rgba(123, 92, 255, .6) 55%, rgba(95, 211, 180, .55));
}

.page-about .about-timeline .acc__item {
  position: relative;
  margin-left: 28px;
  margin-bottom: 12px;
  border: 1px solid var(--line-mist);
  border-radius: var(--r-md);
  background: rgba(20, 34, 72, .66);
  overflow: hidden;
  transition: border-color .25s ease;
}

.page-about .about-timeline .acc__item:hover {
  border-color: rgba(227, 177, 90, .42);
}

.page-about .about-timeline .acc__item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 25px;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--gold);
  transition: background .25s ease, box-shadow .25s ease;
}

.page-about .about-timeline .acc__item[data-open]::before {
  background: var(--jade);
  border-color: var(--jade);
  box-shadow: 0 0 0 4px rgba(95, 211, 180, .16);
}

.page-about .about-timeline .acc__btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 18px 20px;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.page-about .acc__no {
  flex: none;
  font-family: var(--f-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-about .about-tl__title {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 17.5px;
  line-height: 1.4;
  color: var(--white);
}

.page-about .acc__sign {
  flex: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1px solid var(--line-mist);
  transition: border-color .25s ease;
}

.page-about .about-timeline .acc__item[data-open] .acc__sign {
  border-color: var(--jade);
}

.page-about .acc__panel-inner {
  padding: 0 20px 20px;
  font-family: var(--f-body);
  font-size: 14.5px;
  line-height: 1.86;
  color: var(--ab-text);
}

/* ---------- 合作生态 ---------- */
.page-about .about-eco {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-about .about-eco__text {
  margin: 0 0 14px;
  max-width: 66ch;
  font-family: var(--f-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ab-text);
}

.page-about .about-eco__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-eco__stat {
  padding: 16px 16px 14px;
  border: 1px solid var(--line-gold);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(27, 44, 87, .86), rgba(11, 22, 48, .9));
}

.page-about .about-eco__num {
  display: block;
  font-family: var(--f-mono);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.1;
  color: var(--gold-light);
}

.page-about .about-eco__cap {
  display: block;
  margin-top: 8px;
  font-family: var(--f-body);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 下一步 ---------- */
.page-about .about-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .about-next__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px 20px;
  border: 1px solid var(--line-mist);
  border-radius: var(--r-lg);
  background: rgba(20, 34, 72, .62);
  color: inherit;
  text-decoration: none;
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}

.page-about .about-next__card:hover {
  transform: translateY(-2px);
  border-color: rgba(246, 217, 152, .55);
  background: rgba(27, 44, 87, .8);
}

.page-about .about-next__kicker {
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--violet);
}

.page-about .about-next__title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--white);
}

.page-about .about-next__text {
  flex: 1 1 auto;
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ab-text);
}

.page-about .about-next__go {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-about .about-next__foot {
  margin: 26px 0 0;
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-next__foot a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(227, 177, 90, .4);
  padding-bottom: 1px;
}

.page-about .about-next__foot a:hover { color: var(--white); }

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-about .about-eco__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-about .about-flow__step { padding: 15px 18px; }
}

@media (min-width: 760px) {
  .page-about .about-families { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-about .about-family:first-child { grid-column: 1 / -1; }
  .page-about .about-next__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-about .about-region__cards { gap: 18px; }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-mosaic { align-self: center; }

  .page-about .about-region {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: stretch;
    gap: 24px;
  }

  .page-about .about-region__cards { grid-template-rows: auto auto; }

  .page-about .about-region__fig { height: 100%; }
  .page-about .about-region__fig img { height: 100%; object-fit: cover; }

  .page-about .about-team {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-about .about-flow { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }

  .page-about .about-flow__step {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 16px 16px 18px;
  }

  .page-about .about-eco {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
  }

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

@media (min-width: 1100px) {
  .page-about .section { padding-top: 84px; }
  .page-about .about-scale { padding: 28px 32px 24px; }
  .page-about .about-region__card { padding: 26px 24px; }
  .page-about .about-next__card { padding: 28px 24px 24px; }
}
<<<END>>>