.page-about {
  --about-line: rgba(201, 162, 39, .35);
  --about-line-soft: rgba(201, 162, 39, .16);
  --about-panel: rgba(245, 242, 234, .06);
  color: var(--ink);
}

/* ── 面包屑 ─────────────────────────────────────── */
.page-about .about-crumbs {
  padding: calc(var(--header-h) + 1.25rem) 0 .5rem;
}

.page-about .about-crumbs .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0 clamp(1.25rem, 4vw, 3.5rem);
  max-width: var(--shell);
  margin-inline: auto;
  font-size: var(--fs-small);
}

.page-about .about-crumbs .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: .4rem;
  color: var(--ink-40);
}

.page-about .about-crumbs .breadcrumbs__link {
  color: var(--stone);
  text-decoration: none;
}

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

.page-about .about-crumbs .breadcrumbs__current {
  color: var(--ink);
}

/* ── 首屏 ───────────────────────────────────────── */
.page-about .about-hero {
  position: relative;
  padding: clamp(2rem, 6vw, 4rem) 0 clamp(3rem, 7vw, 5rem);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 78% 15%, rgba(201, 162, 39, .12), transparent 65%),
    radial-gradient(ellipse 50% 40% at 12% 80%, rgba(127, 166, 184, .1), transparent 70%);
  pointer-events: none;
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  grid-template-columns: 1fr;
}

.page-about .about-hero__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: var(--fs-h1);
  line-height: 1.14;
  letter-spacing: .04em;
  margin: .6rem 0 1.25rem;
}

.page-about .about-hero__lead {
  color: var(--stone);
  max-width: 34em;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.75rem;
}

.page-about .about-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.25rem, 4vw, 2.5rem);
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--ink-08);
}

.page-about .about-hero__stats .stat__value {
  font-family: var(--font-num);
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
  display: block;
  line-height: 1;
}

.page-about .about-hero__stats .stat__value em {
  font-style: normal;
  font-size: .9rem;
  margin-left: .15rem;
  color: var(--gold);
}

.page-about .about-hero__stats .stat__label {
  display: block;
  font-size: var(--fs-small);
  color: var(--stone);
  margin-top: .35rem;
}

/* 纯 CSS 首屏视觉 */
.page-about .about-hero__visual {
  position: relative;
  aspect-ratio: 5 / 4;
  border-radius: var(--r-lg);
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 72% 24%, rgba(201, 162, 39, .22), transparent 55%),
    radial-gradient(circle at 18% 82%, rgba(127, 166, 184, .18), transparent 55%),
    linear-gradient(145deg, var(--ink) 0%, var(--ink-deep) 55%, var(--moss) 130%);
  box-shadow: var(--shadow-deep);
}

.page-about .about-hero__ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 88%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid var(--about-line);
}

.page-about .about-hero__ring--mid {
  width: 60%;
  border-style: dashed;
  border-color: rgba(127, 166, 184, .55);
  animation: about-spin 44s linear infinite;
}

.page-about .about-hero__ring--core {
  width: 30%;
  border: none;
  background: radial-gradient(circle, var(--gold) 0%, rgba(201, 162, 39, .45) 45%, transparent 72%);
  box-shadow: 0 0 70px rgba(201, 162, 39, .4);
}

@keyframes about-spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-hero__ring--mid { animation: none; }
}

.page-about .about-hero__grid-shape {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245, 242, 234, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 242, 234, .07) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, black 25%, transparent 78%);
  mask-image: radial-gradient(circle at 50% 50%, black 25%, transparent 78%);
}

.page-about .about-hero__dot {
  position: absolute;
  top: 20%;
  right: 18%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 6px rgba(232, 106, 74, .2);
}

.page-about .about-hero__dot::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mist);
  box-shadow: 0 0 0 5px rgba(127, 166, 184, .22);
  top: 340%;
  left: -240%;
}

.page-about .about-hero__mark {
  position: absolute;
  left: 1.25rem;
  bottom: 1.25rem;
  font-family: var(--font-num);
  font-size: .82rem;
  letter-spacing: .28em;
  color: var(--cream-70);
  text-transform: uppercase;
}

/* ── 品牌历程 / 时间线 ───────────────────────────── */
.page-about .about-journey {
  padding-top: clamp(1rem, 4vw, 2rem);
}

.page-about .about-journey__figure {
  margin: 0 0 clamp(2rem, 5vw, 3.5rem);
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-soft);
}

.page-about .about-journey__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-about .about-journey__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 2.5rem 1.5rem 1rem;
  font-size: var(--fs-small);
  color: var(--cream-70);
  background: linear-gradient(to top, rgba(10, 22, 19, .82), transparent);
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: .5rem;
  top: 1rem;
  bottom: 1rem;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--about-line) 12%, var(--about-line) 88%, transparent);
}

.page-about .about-timeline__node {
  position: relative;
  padding: 1.5rem 0 1.5rem 2.25rem;
}

.page-about .about-timeline__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.9rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--gold);
  box-shadow: 0 0 0 5px var(--about-line-soft);
}

.page-about .about-timeline__time {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--gold);
  margin-bottom: .45rem;
  line-height: 1;
}

.page-about .about-timeline__body .timeline__title {
  font-family: var(--font-head);
  font-size: var(--fs-h3);
  font-weight: 700;
  margin: 0 0 .55rem;
  color: var(--ink);
}

.page-about .about-timeline__body .timeline__text {
  margin: 0;
  color: var(--stone);
  line-height: 1.8;
  max-width: 58em;
}

/* ── 团队 ───────────────────────────────────────── */
.page-about .about-team__split {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.page-about .about-team__figure {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-soft);
}

.page-about .about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .about-team__figure figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 2rem 1.25rem .85rem;
  font-size: var(--fs-small);
  color: var(--cream-70);
  background: linear-gradient(to top, rgba(10, 22, 19, .78), transparent);
}

.page-about .about-team__filter {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: .85rem;
}

.page-about .about-team__filter .filter-btn {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  padding: .4rem .9rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--ink-14);
  background: transparent;
  color: var(--stone);
  cursor: pointer;
  transition: color .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
}

.page-about .about-team__filter .filter-btn:hover {
  border-color: var(--gold-45);
  color: var(--ink);
}

.page-about .about-team__filter .filter-btn[aria-pressed="true"] {
  background: var(--ink);
  color: var(--gold-soft);
  border-color: var(--ink);
}

.page-about .about-team__count {
  font-family: var(--font-num);
  font-size: var(--fs-small);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1.25rem;
}

.page-about .about-team__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .75rem;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr));
}

.page-about .about-team__item {
  padding: 1.25rem 1.1rem 1.35rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--ink-08);
  background: rgba(245, 242, 234, .5);
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}

.page-about .about-team__item:hover {
  transform: translateY(-3px);
  border-color: var(--gold-24);
  background: var(--cream);
}

.page-about .about-team__icon {
  display: inline-flex;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-xs);
  background: var(--ink);
  color: var(--gold-soft);
  margin-bottom: .85rem;
}

.page-about .about-team__icon svg {
  width: 1.2rem;
  height: 1.2rem;
}

.page-about .about-team__name {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 .45rem;
  color: var(--ink);
}

.page-about .about-team__desc {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.72;
  color: var(--stone);
}

/* ── 海南实践 ───────────────────────────────────── */
.page-about .about-hainan {
  background:
    radial-gradient(ellipse 60% 60% at 88% 12%, rgba(47, 107, 87, .14), transparent 65%),
    radial-gradient(ellipse 50% 50% at 8% 88%, rgba(201, 162, 39, .1), transparent 70%),
    var(--cream);
}

.page-about .about-hainan__layout {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-about .about-hainan__copy p {
  color: var(--stone);
  line-height: 1.85;
  max-width: 48em;
}

.page-about .about-hainan__points {
  list-style: none;
  margin: 1.5rem 0 1.75rem;
  padding: 0;
  display: grid;
  gap: .75rem;
}

.page-about .about-hainan__points li {
  padding-left: 1.4rem;
  position: relative;
  color: var(--stone);
  line-height: 1.72;
}

.page-about .about-hainan__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .55rem;
  height: .55rem;
  border-radius: 50%;
  background: var(--moss);
}

.page-about .about-hainan__points strong {
  color: var(--ink);
}

.page-about .about-hainan__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-soft);
}

.page-about .about-hainan__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-about .about-hainan__figure figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 2.5rem 1.25rem .9rem;
  font-size: var(--fs-small);
  color: var(--cream-70);
  background: linear-gradient(to top, rgba(10, 22, 19, .78), transparent);
}

/* ── 栏目协同 ───────────────────────────────────── */
.page-about .about-channels {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: var(--cream);
}

.page-about .about-channels .section-head__title {
  color: var(--cream);
}

.page-about .about-channels .section-head__lead {
  color: var(--cream-70);
}

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

.page-about .about-channels__grid {
  display: grid;
  gap: 1.25rem;
}

.page-about .about-channels__panel {
  padding: 1.75rem 1.5rem 1.6rem;
  border-radius: var(--r-md);
  border: 1px solid var(--glass-line);
  background: rgba(15, 42, 36, .55);
}

.page-about .about-channels__panel.glass {
  background: var(--glass-light);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-about .about-channels__tag {
  display: inline-block;
  font-family: var(--font-num);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin: 0 0 .85rem;
  padding: .25rem .65rem;
  border: 1px solid var(--gold-24);
  border-radius: var(--r-pill);
}

.page-about .about-channels__tag--coral {
  color: var(--coral);
  border-color: rgba(232, 106, 74, .35);
}

.page-about .about-channels__panel-title {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 1rem;
  color: var(--cream);
  line-height: 1.4;
}

.page-about .about-channels__list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-about .about-channels__list li {
  position: relative;
  padding-left: 1.15rem;
  color: var(--cream-70);
  font-size: var(--fs-small);
  line-height: 1.7;
}

.page-about .about-channels__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .65em;
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--gold);
}

.page-about .about-channels__meta {
  margin: 0;
  font-family: var(--font-num);
  font-size: .78rem;
  letter-spacing: .1em;
  color: rgba(232, 217, 168, .6);
}

.page-about .about-channels__note {
  padding: 1.5rem 1.4rem;
  border-radius: var(--r-md);
  border: 1px solid var(--gold-24);
  background: linear-gradient(135deg, rgba(201, 162, 39, .12), rgba(47, 107, 87, .16));
}

.page-about .about-channels__note p {
  margin: 0 0 .85rem;
  color: var(--cream-70);
  line-height: 1.8;
  font-size: var(--fs-small);
}

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

.page-about .about-channels__note a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: .2em;
}

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

/* ── 荣誉与合作 ─────────────────────────────────── */
.page-about .about-honors__layout {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-about .about-honors__awards {
  display: grid;
  gap: 1rem;
}

.page-about .about-honors__award {
  padding: 1.4rem 1.35rem;
  border-radius: var(--r-md);
  border-left: 3px solid var(--gold);
  background: var(--cream);
  box-shadow: var(--shadow-soft);
}

.page-about .about-honors__award:nth-child(2) {
  border-left-color: var(--coral);
}

.page-about .about-honors__award .chip {
  display: inline-block;
  margin-bottom: .75rem;
  cursor: help;
}

.page-about .about-honors__award p {
  margin: 0;
  color: var(--stone);
  line-height: 1.75;
  font-size: var(--fs-small);
}

.page-about .about-honors__partners {
  padding: 1.75rem 1.6rem 1.85rem;
  border-radius: var(--r-md);
  border: 1px solid var(--ink-08);
  background: linear-gradient(160deg, rgba(47, 107, 87, .06), rgba(201, 162, 39, .05));
}

.page-about .about-honors__partners-title {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 1.25rem;
  color: var(--ink);
}

.page-about .about-honors__stats {
  display: grid;
  gap: 1.15rem;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--ink-08);
}

.page-about .about-honors__stats .stat__value {
  display: block;
  font-family: var(--font-num);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
}

.page-about .about-honors__stats .stat__value em {
  font-style: normal;
  font-size: .82rem;
  margin-left: .1rem;
  color: var(--gold);
}

.page-about .about-honors__stats .stat__label {
  display: block;
  font-size: var(--fs-small);
  color: var(--stone);
  margin-top: .4rem;
}

.page-about .about-honors__partners-text {
  color: var(--stone);
  line-height: 1.8;
  font-size: var(--fs-small);
  margin: 0 0 1.5rem;
}

/* ── 响应式 ─────────────────────────────────────── */
@media (min-width: 768px) {
  .page-about .about-hero__grid {
    grid-template-columns: 1.05fr .95fr;
  }

  .page-about .about-team__grid {
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr));
  }

  .page-about .about-channels__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "a b"
      "note note";
  }

  .page-about .about-channels__grid > :nth-child(1) { grid-area: a; }
  .page-about .about-channels__grid > :nth-child(2) { grid-area: b; }
  .page-about .about-channels__grid > :nth-child(3) { grid-area: note; }

  .page-about .about-honors__layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  /* 时间线 desktop */
  .page-about .about-timeline {
    padding-left: 0;
  }

  .page-about .about-timeline::before {
    left: 5.25rem;
  }

  .page-about .about-timeline__node {
    display: grid;
    grid-template-columns: 5.25rem 1fr;
    gap: 0 3.25rem;
    padding: 1.85rem 0;
  }

  .page-about .about-timeline__node::before {
    left: 5.25rem;
    top: 2.35rem;
    transform: translateX(-50%);
  }

  .page-about .about-timeline__time {
    text-align: right;
    margin: 0;
  }
}

@media (min-width: 900px) {
  .page-about .about-team__split {
    grid-template-columns: .85fr 1.15fr;
    align-items: start;
  }

  .page-about .about-team__figure {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

  .page-about .about-hainan__layout {
    grid-template-columns: 1.05fr .95fr;
  }

  .page-about .about-hainan__figure {
    margin-left: -1.5rem;
  }
}

@media (min-width: 1100px) {
  .page-about .about-channels__grid {
    grid-template-columns: 1fr 1fr .9fr;
    grid-template-areas: "a b note";
  }

  .page-about .about-channels__note {
    padding: 1.75rem 1.5rem;
  }
}
<<<END>>>