.page-about {
  display: block;
  background: var(--rice);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.1rem, 3vw, 2rem) 0 clamp(2.4rem, 6vw, 4.6rem);
  background:
    radial-gradient(120% 130% at 84% 4%, rgba(201, 162, 39, .18) 0%, rgba(201, 162, 39, 0) 54%),
    linear-gradient(166deg, var(--purple) 0%, var(--purple-deep) 52%, var(--purple-abyss) 100%);
  color: var(--rice);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-dim), transparent);
}

.page-about .about-hero .breadcrumbs {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: rgba(246, 241, 231, .58);
}

.page-about .about-hero .breadcrumbs a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-about .about-hero .breadcrumbs a:hover,
.page-about .about-hero .breadcrumbs a:focus-visible {
  border-bottom-color: var(--gold-light);
}

.page-about .crumb-sep {
  color: var(--gold-dim);
}

.page-about .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.8rem, 4vw, 3.2rem);
  margin-top: clamp(1.4rem, 3vw, 2.4rem);
}

.page-about .hero-copy .eyebrow {
  color: var(--gold-light);
}

.page-about .hero-title {
  margin: 0 0 1.05rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5.6vw, 3.65rem);
  line-height: 1.16;
  letter-spacing: .01em;
  color: #FBF7EE;
}

.page-about .hero-title em {
  font-style: normal;
  color: var(--gold-light);
  box-shadow: inset 0 -.16em 0 var(--gold-dim);
}

.page-about .hero-lead {
  margin: 0 0 1.4rem;
  max-width: 36em;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.85;
  color: rgba(246, 241, 231, .82);
}

.page-about .hero-points {
  list-style: none;
  margin: 0 0 1.7rem;
  padding: 0;
  display: grid;
  gap: .62rem;
}

.page-about .hero-points li {
  position: relative;
  padding-left: 1.35rem;
  font-size: .93rem;
  line-height: 1.7;
  color: rgba(246, 241, 231, .74);
}

.page-about .hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 14px;
  height: 1px;
  background: var(--gold);
}

.page-about .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

.page-about .hero-art {
  position: relative;
  margin: 0;
  padding: 9px;
  border: 1px solid var(--gold-dim);
  background: rgba(201, 162, 39, .06);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.page-about .hero-art img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.page-about .hero-art-cap {
  margin-top: .7rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: rgba(232, 201, 106, .7);
  text-align: right;
}

/* ---------- 章节骨架 ---------- */
.page-about .about-section {
  padding-block: clamp(2.4rem, 6vw, 4.4rem);
}

.page-about .chapter {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.1rem, 3vw, 1.8rem);
}

.page-about .chapter-index {
  display: block;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .22em;
  color: var(--gold-ink);
}

.page-about .chapter-title {
  margin: .45rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.32rem, 2.6vw, 1.95rem);
  line-height: 1.34;
  color: var(--ink);
}

.page-about .chapter-note {
  margin: 0 0 1.5rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--gold-hair);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-about .about-copy p {
  margin: 0 0 1.05rem;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-about .about-copy p:last-child {
  margin-bottom: 0;
}

.page-about .about-copy a,
.page-about .audience-tail a,
.page-about .partner-tail a,
.page-about .cta-tail a {
  color: var(--purple);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

/* 深色带上的文字 */
.page-about .band-plum,
.page-about .band-ink {
  color: var(--rice);
}

.page-about .band-plum .chapter-title,
.page-about .band-ink .chapter-title {
  color: #FBF7EE;
}

.page-about .band-plum .chapter-index,
.page-about .band-ink .chapter-index {
  color: var(--gold-light);
}

.page-about .band-plum .chapter-note,
.page-about .band-ink .chapter-note {
  color: rgba(246, 241, 231, .74);
  border-bottom-color: rgba(201, 162, 39, .28);
}

.page-about .band-plum .about-copy p,
.page-about .band-ink .about-copy p {
  color: rgba(246, 241, 231, .78);
}

.page-about .band-plum .about-copy a,
.page-about .band-ink .about-copy a,
.page-about .band-plum .audience-tail a,
.page-about .band-plum .partner-tail a,
.page-about .band-ink .cta-tail a {
  color: var(--gold-light);
  border-bottom-color: var(--gold-dim);
}

/* ---------- 01 引语 ---------- */
.page-about .about-quote {
  margin: 1.6rem 0 0;
  padding: .95rem 0 .95rem 1.15rem;
  border-left: 3px solid var(--cinnabar);
  background: linear-gradient(90deg, rgba(178, 58, 46, .07), rgba(178, 58, 46, 0));
}

.page-about .about-quote p {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.02rem, 1.7vw, 1.2rem);
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 02 人群 ---------- */
.page-about .audience-grid {
  margin-top: .3rem;
}

.page-about .audience-card {
  position: relative;
  padding: 1.3rem 1.25rem 1.35rem;
  background: #FFFDF8;
  border: 1px solid var(--mist);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .audience-card:hover,
.page-about .audience-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--gold);
  box-shadow: var(--shadow-raise);
}

.page-about .audience-num {
  display: block;
  margin-bottom: .5rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .2em;
  color: var(--bronze);
}

.page-about .audience-card .panel-title {
  margin: 0 0 .55rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  color: var(--purple-deep);
}

.page-about .audience-card p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-about .audience-tail {
  margin: 1.4rem 0 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 03 体系索引 ---------- */
.page-about .system-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(201, 162, 39, .26);
}

.page-about .system-list .index-item {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1.15rem .35rem;
  border-bottom: 1px solid rgba(201, 162, 39, .22);
  transition: background-color var(--dur) var(--ease);
}

.page-about .system-list .index-item:hover {
  background: rgba(201, 162, 39, .09);
}

.page-about .system-list .index-num {
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--gold-light);
  padding-top: .16rem;
}

.page-about .system-list h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: #FBF7EE;
}

.page-about .system-list p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: rgba(246, 241, 231, .76);
}

/* ---------- 04 时间线 ---------- */
.page-about .journey-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 2.6rem);
  align-items: start;
}

.page-about .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.35rem;
  border-left: 1px solid rgba(122, 90, 58, .7);
}

.page-about .tl-item {
  position: relative;
  padding-bottom: 1.6rem;
}

.page-about .tl-item:last-child {
  padding-bottom: 0;
}

.page-about .tl-node {
  position: absolute;
  left: calc(-1.35rem - 5px);
  top: .48rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bronze);
  box-shadow: 0 0 0 3px rgba(122, 90, 58, .28);
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .tl-item:hover .tl-node {
  background: var(--gold-light);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, .3);
}

.page-about .tl-phase {
  margin: 0 0 .3rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-about .tl-title {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
  line-height: 1.5;
  color: #FBF7EE;
  transition: color var(--dur) var(--ease);
}

.page-about .tl-item:hover .tl-title {
  color: var(--gold-light);
}

.page-about .tl-text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(246, 241, 231, .74);
}

.page-about .journey-figure,
.page-about .team-figure {
  margin: 0;
  padding: 8px;
  border: 1px solid var(--gold-dim);
  background: rgba(201, 162, 39, .05);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

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

.page-about .journey-figure figcaption,
.page-about .team-figure figcaption {
  margin-top: .7rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  line-height: 1.6;
  letter-spacing: .06em;
  color: var(--bronze);
}

.page-about .band-ink .journey-figure figcaption {
  color: rgba(232, 201, 106, .72);
}

/* ---------- 05 团队 ---------- */
.page-about .team-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-about .team-card {
  padding: 1.25rem 1.2rem 1.3rem;
  background: #FFFDF8;
  border: 1px solid var(--mist);
  border-left: 3px solid var(--purple);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .team-card:hover,
.page-about .team-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--gold);
  border-left-color: var(--gold);
  box-shadow: var(--shadow-raise);
}

.page-about .team-num {
  display: block;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .2em;
  color: var(--gold-ink);
}

.page-about .team-name {
  margin: .5rem 0 .55rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--purple-deep);
}

.page-about .team-text {
  margin: 0 0 .8rem;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-about .team-meta {
  margin: 0;
  padding-top: .7rem;
  border-top: 1px dashed var(--mist);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--jade);
}

.page-about .team-figure {
  margin-top: 1.5rem;
  background: rgba(47, 111, 107, .05);
  border-color: var(--gold-hair);
}

/* ---------- 06 荣誉 ---------- */
.page-about .honor-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.4rem;
}

.page-about .honor-total {
  padding: 1.3rem 1.2rem;
  background: linear-gradient(150deg, var(--purple-deep), var(--purple));
  color: var(--rice);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.page-about .honor-count {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 3.2rem;
  line-height: 1;
  color: var(--gold-light);
}

.page-about .honor-total p {
  margin: .7rem 0 0;
  font-size: .9rem;
  line-height: 1.75;
  color: rgba(246, 241, 231, .78);
}

.page-about .honor-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-about .honor-item {
  position: relative;
  padding: 1.05rem 1.1rem 1.1rem 3.2rem;
  border: 1px solid var(--mist);
  background: #FFFDF8;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .honor-item::before {
  content: "印";
  position: absolute;
  left: 1rem;
  top: 1.05rem;
  width: 1.6rem;
  height: 1.6rem;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: .82rem;
  color: var(--rice);
  background: var(--cinnabar);
  border-radius: 3px;
}

.page-about .honor-item:hover,
.page-about .honor-item:focus-within {
  transform: translateY(-3px);
  border-color: var(--gold);
  box-shadow: var(--shadow-raise);
}

.page-about .honor-item:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 3px;
}

.page-about .honor-item h3 {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--purple-deep);
}

.page-about .honor-item p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 07 合作生态 ---------- */
.page-about .partner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-about .partner-card {
  position: relative;
  padding: 1.35rem 1.25rem 1.3rem;
  border: 1px solid rgba(201, 162, 39, .3);
  background: rgba(201, 162, 39, .06);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-about .partner-card:hover {
  border-color: var(--gold);
  background: rgba(201, 162, 39, .12);
}

.page-about .partner-count {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.6rem;
  line-height: 1;
  color: var(--gold-light);
}

.page-about .partner-title {
  margin: .4rem 0 .8rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: #FBF7EE;
}

.page-about .partner-card p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: rgba(246, 241, 231, .76);
}

.page-about .partner-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-top: 1rem;
}

.page-about .partner-tail {
  margin: 1.4rem 0 0;
  font-size: .93rem;
  line-height: 1.8;
  color: rgba(246, 241, 231, .78);
}

/* ---------- 09 收尾 ---------- */
.page-about .about-cta {
  position: relative;
  padding-block: clamp(2.6rem, 6vw, 4.6rem);
  background:
    radial-gradient(110% 130% at 16% 0%, rgba(201, 162, 39, .16) 0%, rgba(201, 162, 39, 0) 58%),
    linear-gradient(160deg, var(--purple-deep), var(--purple-abyss));
}

.page-about .cta-inner {
  max-width: 44rem;
}

.page-about .about-cta .eyebrow {
  color: var(--gold-light);
}

.page-about .cta-title {
  margin: .5rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.3;
  color: #FBF7EE;
}

.page-about .cta-text {
  margin: 0 0 1.5rem;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(246, 241, 231, .8);
}

.page-about .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

.page-about .cta-tail {
  margin: 1.3rem 0 0;
  font-size: .9rem;
  line-height: 1.8;
  color: rgba(246, 241, 231, .66);
}

/* ---------- 焦点反馈 ---------- */
.page-about .panel-cut:focus-within,
.page-about .audience-card:focus-within {
  outline: 2px solid var(--gold-light);
  outline-offset: 3px;
}

.page-about a:focus-visible,
.page-about button:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .team-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-about .honor-wrap {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 920px) {
  .page-about .hero-grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    align-items: center;
    gap: clamp(2rem, 4vw, 3.4rem);
  }

  .page-about .journey-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: clamp(1.8rem, 4vw, 3rem);
  }

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

@media (min-width: 1000px) {
  .page-about .chapter {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: clamp(1.8rem, 4.4vw, 3.6rem);
    align-items: start;
  }

  .page-about .chapter-aside {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-about .chapter-title {
    margin-top: .55rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    transition-duration: .01ms !important;
  }

  .page-about .audience-card:hover,
  .page-about .team-card:hover,
  .page-about .honor-item:hover {
    transform: none;
  }
}
<<<END>>>