.page-about {
  --about-card: rgba(13, 42, 66, .55);
  --about-line: rgba(45, 225, 194, .18);
  --about-gap: 22px;
  overflow-x: clip;
}

/* ===== 首屏框景 ===== */
.page-about .about-hero {
  position: relative;
  padding: calc(var(--header-h) + 34px) 0 48px;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(22, 74, 110, .78) 0%, transparent 62%),
    radial-gradient(90% 70% at 92% 8%, rgba(255, 107, 74, .16) 0%, transparent 64%),
    var(--deep-900);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--coral-500), var(--gold-400) 38%, var(--cyan-400) 72%, var(--deep-500));
}

.page-about .hero-frame {
  position: relative;
  padding: 30px 20px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(165deg, rgba(13, 42, 66, .92), rgba(6, 24, 38, .74));
  box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
}

.page-about .hero-frame::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 22px;
  right: 22px;
  height: 10px;
  background-image: repeating-linear-gradient(90deg, rgba(45, 225, 194, .42) 0 1px, transparent 1px 17px);
  pointer-events: none;
}

.page-about .hero-frame .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  font-size: var(--fs-12);
  color: var(--tx-lo);
}

.page-about .hero-frame .breadcrumbs a {
  color: var(--tx-mi);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--speed) var(--ease), color var(--speed) var(--ease);
}

.page-about .hero-frame .breadcrumbs a:hover {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.page-about .hero-frame h1 {
  margin: 18px 0 14px;
  font-size: var(--fs-48);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--tx-hi);
}

.page-about .hero-frame .lead {
  max-width: 46ch;
  color: var(--tx-mi);
}

.page-about .hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 26px;
}

.page-about .hero-meta span {
  padding: 10px 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-s);
  background: rgba(6, 24, 38, .55);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--tx-mi);
  transition: border-color var(--speed) var(--ease), color var(--speed) var(--ease);
}

.page-about .hero-meta span:hover {
  border-color: var(--cyan-400);
  color: var(--tx-hi);
}

/* ===== 章节结构 ===== */
.page-about .chapter {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.page-about .chapter-num {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: .12em;
  color: var(--cyan-400);
}

.page-about .chapter-title {
  font-size: var(--fs-28);
  line-height: 1.24;
  letter-spacing: -.005em;
}

.page-about .chapter-line {
  flex: 1;
  min-width: 40px;
  height: 1px;
  background: linear-gradient(90deg, var(--about-line), transparent);
}

.page-about .about-origin,
.page-about .about-channel,
.page-about .about-eco {
  padding: 56px 0;
}

.page-about .about-timeline,
.page-about .about-team,
.page-about .about-next {
  padding: 56px 0;
}

.page-about .about-scale {
  padding: 56px 0;
}

.page-about .about-origin .chapter-title,
.page-about .about-channel .chapter-title,
.page-about .about-eco .chapter-title {
  color: var(--ink-900);
}

.page-about .about-origin .chapter-num,
.page-about .about-channel .chapter-num,
.page-about .about-eco .chapter-num {
  color: var(--deep-500);
}

.page-about .about-origin .chapter-line,
.page-about .about-channel .chapter-line,
.page-about .about-eco .chapter-line {
  background: linear-gradient(90deg, rgba(22, 74, 110, .28), transparent);
}

.page-about .about-origin p,
.page-about .about-channel p,
.page-about .about-eco p {
  color: var(--ink-700);
  line-height: 1.85;
}

.page-about .about-timeline .lead,
.page-about .about-scale .lead {
  max-width: 56ch;
  margin-bottom: 28px;
  color: var(--tx-mi);
}

/* ===== 图片 ===== */
.page-about .about-figure {
  margin: 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(6, 24, 38, .4);
}

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

.page-about .about-figure .media-caption {
  padding: 10px 14px;
  font-size: var(--fs-12);
  color: var(--tx-lo);
}

.page-about .about-figure--timeline {
  margin-top: 32px;
}

/* ===== 01 品牌起点 ===== */
.page-about .origin-grid {
  display: grid;
  gap: 26px;
}

.page-about .origin-copy p {
  margin: 0 0 16px;
  font-size: var(--fs-16);
}

.page-about .origin-copy .btn {
  margin-top: 8px;
}

/* ===== 02 版本时间轴 ===== */
.page-about .version-tabs {
  display: grid;
  gap: 20px;
}

.page-about .ver-list {
  position: relative;
  display: grid;
  gap: 10px;
  padding-left: 18px;
}

.page-about .ver-list::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--coral-500), var(--cyan-400) 55%, var(--deep-500));
}

.page-about .ver-btn {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  width: 100%;
  padding: 13px 14px;
  font: inherit;
  text-align: left;
  cursor: pointer;
  color: var(--tx-mi);
  background: rgba(6, 24, 38, .45);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  transition: border-color var(--speed) var(--ease), background var(--speed) var(--ease), color var(--speed) var(--ease), transform var(--speed) var(--ease);
}

.page-about .ver-btn::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  border-radius: 50%;
  background: var(--deep-500);
  border: 2px solid var(--deep-900);
  transition: background var(--speed) var(--ease);
}

.page-about .ver-btn .ver-num {
  font-family: var(--font-mono);
  font-size: var(--fs-22);
  font-weight: 700;
  color: var(--cyan-400);
  transition: color var(--speed) var(--ease);
}

.page-about .ver-btn .ver-name {
  font-size: var(--fs-14);
}

.page-about .ver-btn:hover {
  border-color: var(--cyan-400);
  color: var(--tx-hi);
  transform: translateX(2px);
}

.page-about .ver-btn[aria-selected="true"] {
  background: rgba(255, 107, 74, .1);
  border-color: var(--coral-500);
  color: var(--tx-hi);
}

.page-about .ver-btn[aria-selected="true"]::before {
  background: var(--coral-500);
}

.page-about .ver-btn[aria-selected="true"] .ver-num {
  color: var(--coral-300);
}

.page-about .ver-panel {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--about-card);
  animation: aboutFade .3s var(--ease);
}

.page-about .ver-panel h3 {
  margin: 0 0 12px;
  font-size: var(--fs-22);
  line-height: 1.3;
  color: var(--tx-hi);
}

.page-about .ver-panel p {
  margin: 0 0 16px;
  color: var(--tx-mi);
  line-height: 1.85;
}

.page-about .ver-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-about .ver-points li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-14);
  color: var(--tx-mi);
}

.page-about .ver-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 8px;
  height: 2px;
  background: var(--cyan-400);
}

@keyframes aboutFade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ===== 03 规模面板 ===== */
.page-about .scale-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-about .scale-cell {
  padding: 18px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, rgba(13, 42, 66, .92), rgba(6, 24, 38, .62));
  transition: border-color var(--speed) var(--ease), transform var(--speed) var(--ease);
}

.page-about .scale-cell:hover {
  border-color: var(--cyan-400);
  transform: translateY(-3px);
}

.page-about .scale-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-28);
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan-400);
}

.page-about .scale-cell--coral .scale-num {
  color: var(--coral-500);
}

.page-about .scale-cell--gold .scale-num {
  color: var(--gold-400);
}

.page-about .scale-unit {
  margin-left: 2px;
  font-size: var(--fs-14);
  font-weight: 500;
  color: var(--tx-mi);
}

.page-about .scale-label {
  display: block;
  margin-top: 8px;
  font-size: var(--fs-14);
  color: var(--tx-mi);
}

.page-about .scale-note {
  margin: 24px 0 0;
  max-width: 62ch;
  color: var(--tx-mi);
  line-height: 1.85;
}

/* ===== 04 华人通道 ===== */
.page-about .channel-grid {
  display: grid;
  gap: 26px;
}

.page-about .channel-copy p {
  margin: 0 0 16px;
}

.page-about .region-steps {
  display: grid;
  gap: 10px;
  margin: 22px 0;
  padding: 0;
  list-style: none;
}

.page-about .region-steps li {
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  background: #fff;
  border-left: 3px solid var(--coral-500);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  box-shadow: 0 6px 18px rgba(16, 46, 74, .07);
  transition: border-color var(--speed) var(--ease), box-shadow var(--speed) var(--ease), transform var(--speed) var(--ease);
}

.page-about .region-steps li:hover {
  border-left-color: var(--cyan-400);
  box-shadow: 0 12px 26px rgba(16, 46, 74, .12);
  transform: translateX(2px);
}

.page-about .step-key {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--coral-500);
}

.page-about .step-body {
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--ink-700);
}

.page-about .step-body strong {
  display: block;
  margin-bottom: 2px;
  color: var(--ink-900);
}

.page-about .region-note {
  font-size: var(--fs-14);
  color: var(--ink-500);
}

/* ===== 05 团队与资质 ===== */
.page-about .team-grid {
  display: grid;
  gap: 26px;
}

.page-about .team-copy p {
  margin: 0 0 16px;
  color: var(--tx-mi);
  line-height: 1.85;
}

.page-about .team-facts {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .team-facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-s);
  background: rgba(6, 24, 38, .45);
}

.page-about .fact-num {
  font-family: var(--font-mono);
  font-size: var(--fs-18);
  font-weight: 700;
  color: var(--cyan-400);
}

.page-about .fact-label {
  font-size: var(--fs-14);
  color: var(--tx-mi);
}

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

.page-about .honor-badge {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(155deg, rgba(245, 185, 66, .14), rgba(13, 42, 66, .72));
  transition: transform var(--speed) var(--ease), border-color var(--speed) var(--ease), box-shadow var(--speed) var(--ease);
}

.page-about .honor-badge:hover {
  transform: translateY(-4px);
  border-color: var(--gold-400);
  box-shadow: 0 16px 32px rgba(0, 0, 0, .32);
}

.page-about .honor-year {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--gold-400);
}

.page-about .honor-name {
  display: block;
  margin-top: 10px;
  font-size: var(--fs-16);
  color: var(--tx-hi);
}

.page-about .honor-badge--sum {
  background: linear-gradient(155deg, rgba(45, 225, 194, .12), rgba(13, 42, 66, .72));
}

.page-about .honor-badge--sum:hover {
  border-color: var(--cyan-400);
}

/* ===== 06 合作生态 ===== */
.page-about .eco-grid {
  display: grid;
  gap: 16px;
}

.page-about .eco-card {
  padding: 22px 20px;
  background: #fff;
  border: 1px solid var(--light-200);
  border-radius: var(--radius-m);
  box-shadow: 0 8px 22px rgba(16, 46, 74, .06);
  transition: transform var(--speed) var(--ease), box-shadow var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-about .eco-card:hover {
  transform: translateY(-4px);
  border-color: var(--coral-300);
  box-shadow: 0 16px 34px rgba(16, 46, 74, .12);
}

.page-about .eco-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-36);
  font-weight: 700;
  line-height: 1.05;
  color: var(--coral-500);
}

.page-about .eco-unit {
  margin-left: 2px;
  font-size: var(--fs-14);
  color: var(--ink-500);
}

.page-about .eco-card h3 {
  margin: 8px 0 10px;
  font-size: var(--fs-18);
  color: var(--ink-900);
}

.page-about .eco-card p {
  margin: 0;
  font-size: var(--fs-14);
}

/* ===== 07 下一步 ===== */
.page-about .next-links {
  display: grid;
  gap: 14px;
}

.page-about .next-link {
  display: block;
  padding: 22px 20px;
  text-decoration: none;
  color: var(--tx-hi);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, rgba(13, 42, 66, .7), rgba(6, 24, 38, .5));
  transition: border-color var(--speed) var(--ease), background var(--speed) var(--ease), transform var(--speed) var(--ease);
}

.page-about .next-link:hover {
  border-color: var(--coral-500);
  background: rgba(255, 107, 74, .1);
  transform: translateY(-3px);
}

.page-about .next-link strong {
  display: block;
  margin-bottom: 8px;
  font-size: var(--fs-18);
}

.page-about .next-link span {
  font-size: var(--fs-14);
  color: var(--tx-mi);
  line-height: 1.75;
}

/* ===== 响应式 ===== */
@media (min-width: 700px) {
  .page-about .hero-frame {
    padding: 38px 34px 38px;
  }

  .page-about .hero-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .scale-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .page-about .scale-num {
    font-size: var(--fs-36);
  }

  .page-about .honor-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-about .next-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-origin,
  .page-about .about-timeline,
  .page-about .about-scale,
  .page-about .about-channel,
  .page-about .about-team,
  .page-about .about-eco,
  .page-about .about-next {
    padding: 78px 0;
  }

  .page-about .origin-grid {
    grid-template-columns: 1.05fr .95fr;
    gap: 44px;
    align-items: center;
  }

  .page-about .version-tabs {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-about .channel-grid {
    grid-template-columns: 1fr 1fr;
    gap: 44px;
    align-items: center;
  }

  .page-about .team-grid {
    grid-template-columns: 1.1fr .9fr;
    gap: 44px;
    align-items: start;
  }

  .page-about .team-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .team-facts li {
    flex-direction: column;
    gap: 4px;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
</result>