/* ===== 品牌档案页 · page-about ===== */
.page-about {
  --about-soft: rgba(20, 16, 14, 0.66);
  --about-dark-soft: rgba(251, 247, 242, 0.78);
  --about-card: rgba(251, 247, 242, 0.94);
  display: block;
}

.page-about img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-top: clamp(26px, 4vw, 40px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-about .about-hero__text .hy-h1 {
  margin-top: 14px;
}

.page-about .about-hero__text .hy-prose {
  margin-top: 18px;
  max-width: 46ch;
}

.page-about .about-hero__figure {
  margin: 0;
  border-radius: var(--hy-r-card);
  overflow: hidden;
  border: 1px solid var(--hy-line);
  background: var(--hy-paper);
  box-shadow: var(--hy-shadow-2);
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

@media (min-width: 940px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: end;
  }
  .page-about .about-hero__figure {
    margin-bottom: 6px;
  }
}

/* ---------- 速览数字 ---------- */
.page-about .about-facts {
  list-style: none;
  margin: clamp(34px, 5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--hy-line-strong);
}

.page-about .about-fact {
  padding: 22px 0 20px;
  border-bottom: 1px solid var(--hy-line);
}

.page-about .about-fact__num {
  display: block;
  font-size: clamp(2rem, 5vw, 2.9rem);
  line-height: 1;
  color: var(--hy-cinnabar);
  letter-spacing: 0.01em;
}

.page-about .about-fact__label {
  display: block;
  margin-top: 12px;
  font-family: var(--hy-serif);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--hy-ink);
}

.page-about .about-fact__note {
  display: block;
  margin-top: 8px;
  font-size: 0.88rem;
  line-height: 1.68;
  color: var(--hy-warmgray);
}

@media (min-width: 720px) {
  .page-about .about-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-bottom: 1px solid var(--hy-line);
  }
  .page-about .about-fact {
    padding: 26px 22px 24px 0;
    border-bottom: 0;
  }
  .page-about .about-fact + .about-fact {
    padding-left: 24px;
    border-left: 1px solid var(--hy-line);
  }
}

/* ---------- 章节跳转 ---------- */
.page-about .about-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 10px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-about .about-jump a {
  display: inline-block;
  padding: 7px 16px;
  border-radius: var(--hy-r-pill);
  border: 1px solid var(--hy-line-strong);
  background: rgba(251, 247, 242, 0.72);
  color: var(--hy-ink);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background 200ms var(--hy-ease), border-color 200ms var(--hy-ease), color 200ms var(--hy-ease);
}

.page-about .about-jump a:hover,
.page-about .about-jump a:focus-visible {
  background: var(--hy-cinnabar);
  border-color: var(--hy-cinnabar);
  color: var(--hy-cloud);
}

/* ---------- 通用区头 ---------- */
.page-about .about-head {
  max-width: 62ch;
}

.page-about .about-head .hy-prose {
  margin-top: 14px;
}

/* ---------- 版本时间轴 ---------- */
.page-about .about-band {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border-radius: var(--hy-r-card);
  overflow: hidden;
  border: 1px solid var(--hy-line);
}

.page-about .about-band img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 5;
  object-fit: cover;
}

.page-about .about-track {
  list-style: none;
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding: 0 0 22px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(232px, 82%);
  gap: clamp(14px, 2.2vw, 22px);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--hy-gold) transparent;
}

.page-about .about-node {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  padding: 26px 22px 24px;
  border-radius: var(--hy-r-card);
  background: var(--about-card);
  border: 1px solid var(--hy-line);
  box-shadow: var(--hy-shadow-1);
  transition: transform 260ms var(--hy-ease), box-shadow 260ms var(--hy-ease);
}

.page-about .about-node:hover {
  transform: translateY(-4px);
  box-shadow: var(--hy-shadow-2);
}

.page-about .about-node__dot {
  display: block;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--hy-gold-light);
  border: 2px solid var(--hy-gold);
  margin-bottom: 18px;
}

.page-about .about-track > .about-node:last-child .about-node__dot {
  background: var(--hy-cinnabar);
  border-color: var(--hy-cinnabar-deep);
}

.page-about .about-node__ver {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--hy-gold-deep);
}

.page-about .about-node .hy-h3 {
  margin: 12px 0 0;
}

.page-about .about-node__desc {
  margin: 12px 0 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--hy-warmgray);
}

@media (min-width: 780px) {
  .page-about .about-track {
    grid-auto-columns: minmax(250px, 286px);
  }
}

/* ---------- 团队分工 ---------- */
.page-about .about-teams__head {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-about .about-teams__figure {
  margin: 0;
  border-radius: var(--hy-r-card);
  overflow: hidden;
  border: 1px solid var(--hy-line);
  box-shadow: var(--hy-shadow-1);
}

.page-about .about-teams__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-about .about-teams__head {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: end;
  }
}

.page-about .about-team-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
  margin-top: clamp(30px, 4.5vw, 46px);
}

.page-about .about-team {
  position: relative;
  padding: 34px 24px 26px;
  border-radius: var(--hy-r-card);
  background: var(--hy-cloud);
  border: 1px solid var(--hy-line);
  box-shadow: var(--hy-shadow-1);
  overflow: hidden;
}

.page-about .about-team::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 7px;
  background: repeating-linear-gradient(90deg, var(--hy-gold) 0 12px, transparent 12px 22px);
  opacity: 0.55;
}

.page-about .about-team__tag {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--hy-gold-deep);
}

.page-about .about-team__name {
  margin: 10px 0 0;
  font-family: var(--hy-serif);
  font-size: 1.28rem;
  font-weight: 600;
  color: var(--hy-ink);
  letter-spacing: 0.01em;
}

.page-about .about-team__role {
  margin: 10px 0 0;
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--hy-ink);
}

.page-about .about-team__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 16px 0 0;
  display: grid;
  gap: 9px;
  border-top: 1px dashed var(--hy-line-strong);
}

.page-about .about-team__list li {
  position: relative;
  padding-left: 17px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--hy-warmgray);
}

.page-about .about-team__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.74em;
  width: 7px;
  height: 1px;
  background: var(--hy-gold);
}

@media (min-width: 760px) {
  .page-about .about-team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-bottom: 32px;
  }
  .page-about .about-team-grid > .about-team:nth-child(2),
  .page-about .about-team-grid > .about-team:nth-child(4) {
    margin-top: 32px;
  }
}

/* ---------- 内容体系 ---------- */
.page-about .about-content-grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 26px);
  margin-top: clamp(30px, 4.5vw, 46px);
}

.page-about .about-panel-stack {
  display: grid;
  gap: clamp(18px, 2.6vw, 26px);
  align-content: start;
}

.page-about .about-panel {
  padding: 26px 24px;
  border-radius: var(--hy-r-card);
  background: var(--about-card);
  border: 1px solid var(--hy-line);
  box-shadow: var(--hy-shadow-1);
}

.page-about .about-panel--lead {
  padding: clamp(28px, 4vw, 42px);
  border-left: 4px solid var(--hy-cinnabar);
}

.page-about .about-panel__kicker {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--hy-gold-deep);
}

.page-about .about-panel__title {
  margin: 8px 0 0;
  font-family: var(--hy-serif);
  font-size: 1.32rem;
  font-weight: 600;
  color: var(--hy-ink);
}

.page-about .about-panel--lead .about-panel__title {
  font-size: clamp(1.5rem, 3vw, 1.9rem);
}

.page-about .about-panel__body {
  margin: 14px 0 0;
  font-size: 0.97rem;
  line-height: 1.78;
  color: var(--hy-warmgray);
  max-width: 46ch;
}

.page-about .about-panel--lead .about-panel__body {
  font-size: 1.02rem;
}

.page-about .about-panel--lead .hy-btn {
  margin-top: 22px;
}

@media (min-width: 880px) {
  .page-about .about-content-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 用户分布 ---------- */
.page-about .about-audience__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

.page-about .about-audience .hy-h2 {
  margin-top: 12px;
}

.page-about .about-audience .hy-prose {
  margin-top: 16px;
  color: var(--about-dark-soft);
  max-width: 52ch;
}

.page-about .about-audience .hy-btn {
  margin-top: 26px;
}

.page-about .about-region-pills,
.page-about .about-industry-pills {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 9px 10px;
}

.page-about .about-region-pills li {
  padding: 6px 16px;
  border-radius: var(--hy-r-pill);
  border: 1px solid rgba(201, 162, 39, 0.55);
  background: rgba(201, 162, 39, 0.11);
  color: var(--hy-gold-light);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

.page-about .about-audience__chart {
  text-align: center;
}

.page-about .about-donut {
  width: min(228px, 66vw);
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  background: conic-gradient(var(--hy-gold) 0 61%, rgba(251, 247, 242, 0.2) 61% 100%);
  display: grid;
  place-items: center;
}

.page-about .about-donut__hole {
  width: 64%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--hy-teal);
  display: grid;
  place-content: center;
  gap: 4px;
  text-align: center;
  color: var(--hy-cloud);
}

.page-about .about-donut__hole strong {
  font-size: 1.7rem;
  line-height: 1;
  color: var(--hy-gold-light);
}

.page-about .about-donut__hole em {
  font-style: normal;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--about-dark-soft);
}

.page-about .about-donut__note {
  margin: 18px 0 0;
  font-size: 0.9rem;
  color: var(--about-dark-soft);
}

.page-about .about-donut__note .hy-mono {
  color: var(--hy-gold-light);
}

@media (min-width: 880px) {
  .page-about .about-audience__grid {
    grid-template-columns: minmax(0, 1.24fr) minmax(0, 0.76fr);
  }
  .page-about .about-audience__chart {
    text-align: left;
  }
  .page-about .about-donut {
    margin: 0;
    margin-left: auto;
  }
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners__grid {
  display: grid;
  gap: clamp(28px, 4.5vw, 52px);
}

.page-about .about-partners .hy-h2 {
  margin-top: 12px;
}

.page-about .about-partners .hy-prose {
  margin-top: 16px;
  max-width: 54ch;
}

.page-about .about-partners .hy-btn {
  margin-top: 26px;
}

.page-about .about-industry-pills li {
  padding: 7px 17px;
  border-radius: var(--hy-r-pill);
  border: 1px solid var(--hy-line-strong);
  background: var(--hy-paper);
  color: var(--hy-ink);
  font-size: 0.86rem;
  letter-spacing: 0.03em;
}

.page-about .about-review {
  padding: clamp(26px, 4vw, 36px);
  border-radius: var(--hy-r-card);
  background: var(--hy-indigo);
  color: var(--hy-cloud);
  box-shadow: var(--hy-shadow-2);
}

.page-about .about-review__kicker {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--hy-gold-light);
}

.page-about .about-review__title {
  margin: 14px 0 0;
  font-family: var(--hy-serif);
  font-size: 1.34rem;
  font-weight: 600;
  color: var(--hy-cloud);
}

.page-about .about-review__body {
  margin: 14px 0 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(251, 247, 242, 0.82);
}

@media (min-width: 900px) {
  .page-about .about-partners__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
    align-items: center;
  }
}

/* ---------- 落地与备案 ---------- */
.page-about .about-factsheet {
  margin-top: clamp(28px, 4vw, 42px);
  border-radius: var(--hy-r-card);
  background: var(--hy-cloud);
  border: 1px solid var(--hy-line);
  box-shadow: var(--hy-shadow-1);
  overflow: hidden;
}

.page-about .about-row {
  display: grid;
  gap: 6px;
  padding: 20px clamp(20px, 3vw, 32px);
}

.page-about .about-row + .about-row {
  border-top: 1px solid var(--hy-line);
}

.page-about .about-row__key {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--hy-warmgray);
}

.page-about .about-row__val {
  font-size: 0.99rem;
  line-height: 1.72;
  color: var(--hy-ink);
}

.page-about .about-row__val.hy-mono {
  color: var(--hy-cinnabar-deep);
}

@media (min-width: 700px) {
  .page-about .about-row {
    grid-template-columns: minmax(0, 0.34fr) minmax(0, 0.66fr);
    align-items: baseline;
    gap: 22px;
  }
}

.page-about .about-tail {
  margin: clamp(24px, 3.5vw, 34px) 0 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--hy-warmgray);
  max-width: 62ch;
}

.page-about .about-tail a {
  color: var(--hy-cinnabar-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(140, 28, 34, 0.35);
  transition: border-color 200ms var(--hy-ease), color 200ms var(--hy-ease);
}

.page-about .about-tail a:hover,
.page-about .about-tail a:focus-visible {
  color: var(--hy-cinnabar);
  border-bottom-color: var(--hy-cinnabar);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-node,
  .page-about .about-jump a,
  .page-about .about-tail a {
    transition: none;
  }
  .page-about .about-node:hover {
    transform: none;
  }
}
<<<END>>>