.page-about {
  --about-line: rgba(44, 58, 92, .85);
  --about-glow-cyan: rgba(53, 230, 210, .16);
  --about-glow-magenta: rgba(240, 71, 140, .13);
  --about-pad-y: clamp(44px, 7vw, 96px);
  display: block;
  position: relative;
  overflow-x: clip;
  padding-bottom: clamp(24px, 4vw, 48px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding-top: clamp(16px, 2.6vw, 32px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: -14% 34% 40% -22%;
  background:
    radial-gradient(58% 58% at 28% 22%, var(--about-glow-cyan), transparent 72%),
    radial-gradient(48% 48% at 84% 4%, var(--about-glow-magenta), transparent 74%);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__grid {
  align-items: start;
  gap: clamp(22px, 3.2vw, 44px);
  margin-top: clamp(20px, 3.4vw, 38px);
}

.page-about .about-hero__kicker {
  margin: 0;
  color: var(--accent-cyan);
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(2.15rem, 7.2vw, 5.2rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--text-strong);
  text-wrap: balance;
}

.page-about .about-hero__intro {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 60ch;
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.85;
  color: var(--text-body);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-about .about-hero__aside {
  padding-top: clamp(4px, 1vw, 14px);
}

.page-about .about-hero__media {
  margin: clamp(28px, 4.6vw, 56px) 0 0;
  aspect-ratio: 3 / 2;
}

/* ---------- 图片统一处理 ---------- */
.page-about .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

/* ---------- 通用章节 ---------- */
.page-about .about-section {
  position: relative;
  padding: var(--about-pad-y) 0;
  border-top: 1px solid var(--about-line);
}

.page-about .section-head__no {
  margin: 0 0 10px;
  color: var(--accent-cyan);
}

.page-about .section-head__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(1.6rem, 4.2vw, 2.7rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.03em;
  color: var(--text-strong);
}

.page-about .section-head__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-about .section-head {
  margin-bottom: clamp(18px, 2.8vw, 32px);
}

/* ---------- 01 定位 ---------- */
.page-about .about-intro__grid {
  gap: clamp(24px, 3.4vw, 48px);
  align-items: start;
}

.page-about .about-intro__p {
  margin: 0 0 1.15em;
  max-width: 68ch;
  font-size: clamp(1rem, 1.3vw, 1.06rem);
  line-height: 1.85;
  color: var(--text-body);
}

.page-about .about-intro__p:last-child {
  margin-bottom: 0;
  color: var(--text-strong);
}

.page-about .about-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--outline);
}

.page-about .about-facts li {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--about-line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-body);
}

.page-about .about-facts li::before {
  content: "—";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--gold);
}

/* ---------- 02 季度轨迹 ---------- */
.page-about .about-cycle__lead {
  margin: 0 0 clamp(22px, 3vw, 34px);
  max-width: 68ch;
  font-size: clamp(1rem, 1.3vw, 1.06rem);
  line-height: 1.85;
  color: var(--text-body);
}

.page-about .about-scale {
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--outline);
  scrollbar-width: thin;
  scrollbar-color: var(--accent-cyan) var(--surface);
  -webkit-overflow-scrolling: touch;
}

.page-about .about-scale__track {
  display: flex;
  min-width: max-content;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-scale__item {
  position: relative;
  flex: 0 0 auto;
  width: 62px;
  padding-top: 24px;
  border-left: 1px solid var(--outline);
  cursor: pointer;
  outline: none;
}

.page-about .about-scale__item:last-child {
  border-right: 1px solid var(--outline);
}

.page-about .about-scale__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 13px;
  border-top: 1px solid var(--about-line);
  background: linear-gradient(180deg, rgba(53, 230, 210, .12), transparent);
  transition: background .22s ease, border-color .22s ease;
}

.page-about .about-scale__no {
  display: block;
  padding-left: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--text-muted);
  transition: color .22s ease;
}

.page-about .about-scale__item:hover::before,
.page-about .about-scale__item:focus-visible::before {
  border-top-color: var(--accent-cyan);
  background: linear-gradient(180deg, rgba(53, 230, 210, .3), transparent);
}

.page-about .about-scale__item:hover .about-scale__no,
.page-about .about-scale__item:focus-visible .about-scale__no {
  color: var(--accent-cyan);
}

.page-about .about-cycle__media {
  margin: clamp(26px, 4vw, 44px) 0 0;
  aspect-ratio: 8 / 3;
}

.page-about .about-cycle__nodes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-about .about-cycle__node {
  border: 2px solid var(--outline);
  background: var(--surface);
  box-shadow: var(--hard-shadow-sm);
  transition: border-color .22s ease, box-shadow .22s ease;
}

.page-about .about-cycle__node summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  line-height: 1.6;
  color: var(--text-strong);
}

.page-about .about-cycle__node summary::-webkit-details-marker {
  display: none;
}

.page-about .about-cycle__node summary::before {
  content: "+";
  flex: 0 0 auto;
  font-size: 15px;
  line-height: 1.4;
  color: var(--accent-cyan);
}

.page-about .about-cycle__node[open] {
  border-color: var(--accent-cyan);
}

.page-about .about-cycle__node[open] summary::before {
  content: "−";
}

.page-about .about-cycle__node p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-body);
}

/* ---------- 03 团队 ---------- */
.page-about .about-team__lead {
  margin: 0 0 clamp(22px, 3vw, 34px);
  max-width: 68ch;
  font-size: clamp(1rem, 1.3vw, 1.06rem);
  line-height: 1.85;
  color: var(--text-body);
}

.page-about .about-team {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
}

.page-about .about-team__card {
  padding: clamp(18px, 2.2vw, 24px);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.page-about .about-team__card:hover,
.page-about .about-team__card:focus-within {
  transform: translate(-3px, -3px);
  border-color: var(--accent-cyan);
  box-shadow: 11px 11px 0 rgba(0, 0, 0, .55);
}

.page-about .about-team__no {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-about .about-team__name {
  margin: 0 0 10px;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}

.page-about .about-team__desc {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-body);
}

.page-about .about-team__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--about-line);
}

/* ---------- 04 广东 ---------- */
.page-about .about-gd__grid {
  gap: clamp(24px, 3.4vw, 48px);
  align-items: center;
}

.page-about .about-gd__media {
  margin: 0;
  aspect-ratio: 4 / 3;
}

.page-about .about-gd__p {
  margin: 0 0 1.1em;
  max-width: 66ch;
  font-size: clamp(1rem, 1.3vw, 1.06rem);
  line-height: 1.85;
  color: var(--text-body);
}

.page-about .about-gd__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--about-line);
}

.page-about .about-gd__list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--about-line);
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-body);
}

.page-about .about-gd__list strong {
  color: var(--accent-cyan);
  font-weight: 700;
}

/* ---------- 05 合作与年鉴 ---------- */
.page-about .about-partners__grid {
  gap: clamp(22px, 3.2vw, 44px);
  align-items: start;
}

.page-about .about-partners__figure {
  padding: clamp(20px, 2.6vw, 28px);
  border: 2px solid var(--outline);
  background: var(--surface);
  box-shadow: var(--hard-shadow);
}

.page-about .about-partners__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(3.6rem, 12vw, 6.4rem);
  font-weight: 700;
  line-height: .95;
  letter-spacing: -0.04em;
  color: var(--gold);
}

.page-about .about-partners__cap {
  margin: 12px 0 6px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text-strong);
}

.page-about .about-partners__sub {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-about .about-partners__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-partners__list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--about-line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-body);
}

.page-about .about-partners__list li:first-child {
  border-top: 1px solid var(--about-line);
}

.page-about .about-partners__key {
  display: inline-block;
  min-width: 5.4em;
  margin-right: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--accent-magenta);
}

.page-about .about-yearbook {
  margin-top: clamp(24px, 3.4vw, 40px);
  padding: clamp(20px, 2.6vw, 30px);
  border-left: 3px solid var(--gold);
  background: rgba(75, 58, 110, .2);
}

.page-about .about-yearbook__label {
  margin: 0 0 12px;
  color: var(--gold);
}

.page-about .about-yearbook__text {
  margin: 0;
  max-width: 74ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-body);
}

/* ---------- 06 承诺 ---------- */
.page-about .about-promise {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-promise li {
  position: relative;
  padding: 15px 0 15px 34px;
  border-bottom: 1px solid var(--about-line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-body);
}

.page-about .about-promise li:first-child {
  border-top: 1px solid var(--about-line);
}

.page-about .about-promise li::before {
  content: "✓";
  position: absolute;
  left: 4px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.8;
  color: var(--status-ok);
}

/* ---------- 收束 ---------- */
.page-about .about-cta {
  padding: clamp(34px, 5vw, 64px) 0 clamp(10px, 2vw, 22px);
}

.page-about .about-cta__box {
  position: relative;
  padding: clamp(26px, 4vw, 46px);
  border: 2px solid var(--outline);
  background:
    linear-gradient(135deg, rgba(240, 71, 140, .16), rgba(53, 230, 210, .1) 62%, transparent),
    var(--surface);
  box-shadow: var(--hard-shadow);
}

.page-about .about-cta__title {
  margin: 0;
  font-size: clamp(1.4rem, 3.6vw, 2.2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text-strong);
}

.page-about .about-cta__text {
  margin: 14px 0 0;
  max-width: 70ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-body);
}

.page-about .about-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .about-team {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (min-width: 1024px) {
  .page-about .about-team {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 719px) {
  .page-about .about-cycle__media {
    aspect-ratio: 4 / 3;
  }

  .page-about .about-scale__item {
    width: 54px;
  }

  .page-about .about-partners__key {
    display: block;
    min-width: 0;
    margin: 0 0 6px;
  }

  .page-about .about-hero__actions .btn,
  .page-about .about-cta__links .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-team__card,
  .page-about .about-scale__no,
  .page-about .about-scale__item::before,
  .page-about .about-cycle__node {
    transition: none;
  }

  .page-about .about-team__card:hover,
  .page-about .about-team__card:focus-within {
    transform: none;
  }
}
<<<END>>>