.page-about {
  --about-hair: rgba(245, 247, 250, .1);
  --about-soft: rgba(255, 179, 71, .08);
  display: block;
}

.page-about .about-crumb {
  padding-top: 16px;
  padding-bottom: 4px;
}

/* ---------- Hero ---------- */

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(22px, 4.5vw, 52px) 0 clamp(44px, 8vw, 96px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -26%;
  width: min(760px, 120vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 179, 71, .22) 0%, rgba(255, 179, 71, .07) 42%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(104deg, transparent 56%, rgba(155, 89, 182, .13) 56.3%, rgba(155, 89, 182, .03) 76%, transparent 76.4%);
  pointer-events: none;
  z-index: -1;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__copy {
  max-width: 790px;
}

.page-about .about-hero h1 {
  margin: 14px 0 18px;
  max-width: 17ch;
  font-size: clamp(30px, 7vw, 60px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper);
  text-shadow: 0 0 34px rgba(255, 179, 71, .2);
}

.page-about .about-hero .lead {
  max-width: 58ch;
  color: var(--silver);
  font-size: 16.5px;
  line-height: 1.85;
}

.page-about .about-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-chips li {
  padding: 7px 14px;
  border: 1px solid var(--line-lamp);
  border-radius: var(--pill);
  background: var(--about-soft);
  color: var(--lamp-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 通用标题 ---------- */

.page-about h2 {
  margin: 12px 0 16px;
  font-size: clamp(24px, 4.2vw, 40px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-about h3 {
  color: var(--paper);
}

.page-about p {
  line-height: 1.85;
}

/* ---------- 起点与时间线 ---------- */

.page-about .about-origin__grid {
  display: grid;
  gap: clamp(20px, 4vw, 44px);
  grid-template-columns: minmax(0, 1fr);
}

.page-about .about-origin__copy p:not(.lead) {
  margin: 0;
  color: var(--silver);
  font-size: 15.5px;
}

.page-about .about-origin__copy .lead {
  color: var(--paper);
  max-width: 56ch;
}

.page-about .about-origin__media {
  margin: 0;
}

.page-about .about-timeline {
  position: relative;
  margin: clamp(30px, 5vw, 54px) 0 0;
  padding: 0 0 0 36px;
  list-style: none;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--lamp) 0%, rgba(255, 179, 71, .34) 52%, rgba(255, 179, 71, .05) 100%);
}

.page-about .tl-item {
  position: relative;
  padding-bottom: clamp(20px, 3vw, 28px);
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 5px;
  box-sizing: border-box;
  width: 16px;
  height: 16px;
  border: 2px solid var(--lamp);
  border-radius: 50%;
  background: var(--ink-900);
  box-shadow: 0 0 14px rgba(255, 179, 71, .5);
}

.page-about .tl-year {
  display: block;
  margin-bottom: 6px;
  color: var(--lamp);
  font-size: 13px;
  letter-spacing: .1em;
}

.page-about .tl-item h3 {
  margin: 0 0 6px;
  font-size: clamp(17px, 2.4vw, 20px);
  font-weight: 700;
}

.page-about .tl-item p {
  margin: 0;
  color: var(--silver);
  font-size: 14.5px;
}

.page-about .about-timeline-media {
  margin: clamp(26px, 4vw, 44px) 0 0;
}

/* ---------- 运营体系 ---------- */

.page-about .about-ops__head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3.5vw, 36px);
}

.page-about .about-ops__head .lead {
  color: var(--silver);
}

.page-about .ops-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-about .ops-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-about .ops-card--stat {
  grid-column: span 1;
}

.page-about .ops-card--flow,
.page-about .ops-card--rhythm {
  grid-column: span 2;
}

.page-about .ops-card--media {
  grid-column: span 2;
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-about .ops-card--media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 190px;
  max-width: 100%;
  object-fit: cover;
}

.page-about .ops-card__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--silver);
}

.page-about .about-num {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 4px 0 2px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(28px, 5vw, 42px);
  line-height: 1;
  color: var(--lamp);
}

.page-about .about-num span {
  font-family: var(--font-brand);
  font-size: 13px;
  font-weight: 500;
  color: var(--silver);
}

.page-about .ops-card__desc {
  margin: 0;
  color: var(--silver);
  font-size: 14px;
  line-height: 1.75;
}

.page-about .ops-card--flow h3,
.page-about .ops-card--rhythm h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
}

.page-about .ops-card--flow p,
.page-about .ops-card--rhythm p {
  margin: 0;
  color: var(--silver);
  font-size: 14.5px;
}

/* ---------- 会员 ---------- */

.page-about .about-member__head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3.5vw, 36px);
}

.page-about .about-member__head .lead {
  color: var(--silver);
}

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

.page-about .member-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, var(--panel) 0%, var(--ink-800) 100%);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}

.page-about .member-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-lamp);
  box-shadow: var(--glow-soft);
}

.page-about .member-card--lit {
  border-color: var(--line-lamp);
  box-shadow: var(--glow-soft);
}

.page-about .member-card__code {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--silver);
}

.page-about .member-card h3 {
  margin: 2px 0 0;
  font-size: clamp(20px, 3vw, 24px);
  font-weight: 800;
}

.page-about .member-card__role {
  margin: 0;
  color: var(--lamp);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .04em;
}

.page-about .member-card ul {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .member-card li {
  position: relative;
  padding-left: 16px;
  color: var(--silver);
  font-size: 14.5px;
  line-height: 1.72;
}

.page-about .member-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
}

.page-about .member-note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line-lamp);
  color: var(--silver);
  font-size: 14px;
}

/* ---------- 分类体系 ---------- */

.page-about .about-taxonomy__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(155, 89, 182, .16), transparent 62%),
    linear-gradient(150deg, var(--panel) 0%, var(--ink-900) 100%);
}

.page-about .about-taxonomy__panel .lead {
  max-width: 58ch;
  color: var(--silver);
}

.page-about .tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .tag-cloud li {
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(245, 247, 250, .04);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
}

.page-about .tag-cloud li:nth-child(3n+1) {
  border-color: rgba(255, 179, 71, .42);
  color: var(--lamp-soft);
}

.page-about .tag-cloud li:nth-child(5n+4) {
  border-color: rgba(46, 204, 113, .4);
  color: var(--mint);
}

.page-about .taxonomy-stats {
  display: grid;
  gap: 16px 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .taxonomy-stats li {
  padding-left: 12px;
  border-left: 2px solid var(--line-lamp);
}

.page-about .taxonomy-stats .about-num {
  margin-bottom: 6px;
  font-size: clamp(24px, 4vw, 32px);
}

.page-about .taxonomy-stats li > span:last-child {
  display: block;
  color: var(--silver);
  font-size: 13.5px;
  line-height: 1.6;
}

.page-about .taxonomy-foot {
  margin: clamp(20px, 3vw, 28px) 0 0;
  color: var(--silver);
  font-size: 14.5px;
  max-width: 64ch;
}

/* ---------- 合作生态 ---------- */

.page-about .partners-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-about .partners-copy .lead {
  color: var(--silver);
}

.page-about .partners-copy p:not(.lead) {
  margin: 0 0 20px;
  color: var(--silver);
  font-size: 14.5px;
  max-width: 52ch;
}

.page-about .partners-stats {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .partners-stats li {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--about-hair);
}

.page-about .partners-stats .about-num {
  margin-bottom: 6px;
  font-size: clamp(24px, 4vw, 34px);
}

.page-about .partners-stats li > span:last-child {
  display: block;
  color: var(--silver);
  font-size: 13.5px;
  line-height: 1.65;
}

.page-about .partners-stats__wide {
  grid-column: span 2;
}

.page-about .honor-row {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: clamp(16px, 2.5vw, 22px) clamp(18px, 3vw, 26px);
  border: 1px dashed var(--line-lamp);
  border-radius: var(--r-md);
  list-style: none;
  background: rgba(255, 179, 71, .05);
}

.page-about .honor-row li {
  position: relative;
  padding-left: 22px;
  color: var(--paper);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-about .honor-row li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 10px;
  height: 10px;
  border: 2px solid var(--lamp);
  border-radius: 2px;
  transform: rotate(45deg);
}

/* ---------- 海南 ---------- */

.page-about .about-hainan__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

.page-about .about-hainan__copy .lead {
  color: var(--paper);
  max-width: 56ch;
}

.page-about .about-hainan__copy p:not(.lead) {
  margin: 0 0 14px;
  color: var(--silver);
  font-size: 14.5px;
  max-width: 58ch;
}

.page-about .about-hainan__scene {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  min-height: 250px;
  padding-top: 44px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background:
    radial-gradient(80% 62% at 50% 96%, rgba(255, 179, 71, .34), rgba(255, 179, 71, .1) 46%, transparent 72%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
}

.page-about .about-hainan__scene::after {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: 26px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 179, 71, .55), transparent);
}

.page-about .about-hainan__scene svg {
  display: block;
  width: min(320px, 84%);
  height: auto;
  color: var(--ink-900);
}

/* ---------- 下一步 ---------- */

.page-about .about-next__head {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-about .next-links {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .next-links a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  height: 100%;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(34, 56, 77, .9), rgba(26, 42, 58, .72));
  color: var(--paper);
  text-decoration: none;
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-about .next-links a:hover,
.page-about .next-links a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--line-lamp);
  box-shadow: var(--glow-soft);
}

.page-about .next-links strong {
  font-size: 16.5px;
  font-weight: 700;
}

.page-about .next-links span {
  color: var(--silver);
  font-size: 13.5px;
  line-height: 1.7;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-about .about-timeline {
    max-width: 800px;
    padding-left: 44px;
  }

  .page-about .about-timeline::before {
    left: 11px;
  }

  .page-about .tl-item {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-about .tl-item::before {
    left: -41px;
    top: 4px;
    width: 18px;
    height: 18px;
  }

  .page-about .tl-year {
    margin-bottom: 0;
    padding-top: 3px;
  }

  .page-about .honor-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 24px;
  }

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

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

@media (min-width: 880px) {
  .page-about .about-origin__grid {
    grid-template-columns: 1.05fr .95fr;
    align-items: start;
  }

  .page-about .about-origin__media {
    transform: translateY(20px);
  }

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

  .page-about .partners-grid {
    grid-template-columns: 1fr 1.05fr;
  }

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

@media (min-width: 1000px) {
  .page-about .ops-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-about .ops-card--stat {
    grid-column: span 2;
  }

  .page-about .ops-card--flow {
    grid-column: span 3;
  }

  .page-about .ops-card--media {
    grid-column: span 3;
  }

  .page-about .ops-card--rhythm {
    grid-column: span 6;
  }
}

@media (min-width: 1060px) {
  .page-about .next-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about .member-card,
  .page-about .next-links a {
    transition: none;
  }

  .page-about .member-card:hover,
  .page-about .next-links a:hover {
    transform: none;
  }
}

<main id="main-content" class="page-about">
</main>

/* page-about */
</main>