.page-about {
  --about-cream-line: #DCD2C0;
  --about-ink-soft: #4A4038;
  background-color: var(--space);
  color: var(--cream);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: calc(var(--header-h) + 24px) 0 0;
  background:
    radial-gradient(120% 80% at 92% -10%, rgba(79, 211, 255, 0.18), transparent 62%),
    radial-gradient(90% 70% at -10% 100%, rgba(255, 122, 47, 0.14), transparent 66%),
    var(--space);
  border-bottom: 1px solid var(--edge);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -20%;
  top: 46%;
  width: 150%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(184, 255, 60, 0.45), transparent);
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-about .about-hero .breadcrumb {
  margin-bottom: 28px;
}

.page-about .about-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
}

.page-about .about-hero__title {
  margin: 16px 0 18px;
  font-size: clamp(2.1rem, 7.2vw, 4.4rem);
  font-weight: 200;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-about .about-hero__title em {
  font-style: normal;
  color: var(--green);
}

.page-about .about-hero .lede {
  max-width: 46ch;
  margin: 0 0 26px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--mist);
}

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

.page-about .about-hero__visual {
  position: relative;
}

.page-about .board {
  position: relative;
  padding: 24px 22px 26px;
  background: linear-gradient(158deg, var(--space-2) 0%, #0A1226 100%);
  border: 1px solid var(--edge);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-about .board__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  color: var(--cyan);
}

.page-about .board__score {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 16px 0 4px;
  font-family: var(--font-mono);
  font-size: clamp(52px, 14vw, 84px);
  font-weight: 700;
  line-height: 0.9;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}

.page-about .board__sep {
  font-size: 0.5em;
  color: var(--mist);
}

.page-about .board__score-alt {
  color: var(--orange);
}

.page-about .board__caption {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-about .board__bars {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-about .board__bars li {
  height: 3px;
  background: var(--edge);
  overflow: hidden;
}

.page-about .board__bars li::after {
  content: "";
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--cyan));
}

.page-about .board__bars li:nth-child(1)::after { width: 88%; }
.page-about .board__bars li:nth-child(2)::after { width: 64%; }
.page-about .board__bars li:nth-child(3)::after { width: 76%; }
.page-about .board__bars li:nth-child(4)::after { width: 42%; }

.page-about .about-hero__strip {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 44px;
  background: var(--edge);
  border-top: 1px solid var(--edge);
}

.page-about .about-hero__strip .data-strip__item {
  padding: 18px 16px;
  background: var(--space);
}

.page-about .about-hero__strip .data-strip__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}

.page-about .about-hero__strip .data-strip__label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline__head {
  max-width: 720px;
}

.page-about .timeline {
  list-style: none;
  margin: 40px 0 0;
  padding: 0 0 0 32px;
  border-left: 1px solid var(--edge);
}

.page-about .timeline__item {
  position: relative;
  padding: 0 0 34px;
}

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

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: -37px;
  top: 6px;
  width: 10px;
  height: 10px;
  background: var(--space);
  border: 1px solid var(--amber);
  transform: rotate(45deg);
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-about .timeline__item:hover::before {
  background: var(--amber);
  border-color: var(--amber);
}

.page-about .timeline__year {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--amber);
}

.page-about .timeline__title {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--cream);
}

.page-about .timeline__body p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 版本演进 ---------- */
.page-about .about-evolution {
  display: grid;
  gap: 26px;
  margin-top: 44px;
  padding-top: 36px;
  border-top: 1px solid var(--edge);
}

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

.page-about .about-evolution__copy h3 {
  margin: 10px 0 12px;
  font-size: clamp(1.25rem, 3.4vw, 1.7rem);
  font-weight: 300;
  color: var(--cream);
}

.page-about .about-evolution__copy p {
  margin: 0 0 16px;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-evolution__copy a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-about .about-evolution__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-evolution__list li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-top: 12px;
  border-top: 1px dashed var(--edge);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-evolution__list span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

/* ---------- 内容制作 ---------- */
.page-about .about-flow {
  border-top: 1px solid var(--edge);
}

.page-about .about-flow__grid {
  gap: 36px;
}

.page-about .about-flow__copy .lede {
  margin-top: 16px;
  color: var(--mist);
  line-height: 1.85;
}

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

.page-about .flow {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}

.page-about .flow__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--edge);
}

.page-about .flow__item:last-child {
  border-bottom: 1px solid var(--edge);
}

.page-about .flow__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-about .flow__item h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--cream);
}

.page-about .flow__item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 团队（奶油面板） ---------- */
.page-about .about-team {
  background-color: var(--cream);
  color: var(--cream-ink);
}

.page-about .about-team .index-label {
  color: var(--orange-ink);
}

.page-about .about-team .section-title {
  color: var(--cream-ink);
}

.page-about .about-team__head {
  max-width: 680px;
}

.page-about .about-team__head p {
  margin-top: 14px;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--about-ink-soft);
}

.page-about .team-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 30px 0 34px;
  background: var(--about-cream-line);
  border: 1px solid var(--about-cream-line);
}

.page-about .team-stats__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--cream);
}

.page-about .team-stats__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 8vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--cream-ink);
  font-variant-numeric: tabular-nums;
}

.page-about .team-stats__label {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: #7A6C5A;
}

.page-about .team-stats__item--total {
  background: #EDE4D2;
}

.page-about .team-stats__item--total .team-stats__num {
  color: var(--orange-ink);
}

.page-about .team-table__scroll {
  overflow-x: auto;
  border-top: 1px solid var(--about-cream-line);
}

.page-about .team-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  text-align: left;
}

.page-about .team-table th,
.page-about .team-table td {
  padding: 16px 12px;
  border-bottom: 1px solid var(--about-cream-line);
  vertical-align: top;
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-about .team-table thead th {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: #8A7C6A;
}

.page-about .team-table tbody th {
  font-weight: 500;
  color: var(--cream-ink);
  white-space: nowrap;
}

.page-about .team-table td {
  color: var(--about-ink-soft);
}

.page-about .team-table__num {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--cream-ink);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-about .team-table tbody tr {
  transition: background-color 0.3s var(--ease);
}

.page-about .team-table tbody tr:hover {
  background-color: #EFE7D6;
}

.page-about .team-table__total {
  background-color: #F0E7D5;
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners {
  background:
    radial-gradient(80% 60% at 10% 0%, rgba(79, 211, 255, 0.1), transparent 60%),
    var(--space);
  border-top: 1px solid var(--edge);
}

.page-about .about-partners__head {
  max-width: 760px;
}

.page-about .about-partners__grid {
  display: grid;
  gap: 32px;
  margin-top: 36px;
}

.page-about .about-partners__diagram {
  position: relative;
}

.page-about .net {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  margin: 0 auto;
}

.page-about .net__lines path {
  fill: none;
  stroke: var(--edge);
  stroke-width: 1;
}

.page-about .net__nodes circle {
  fill: var(--cyan);
}

.page-about .net__core {
  fill: var(--space-2);
  stroke: var(--green);
  stroke-width: 1.5;
}

.page-about .net__label {
  fill: var(--cream);
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.page-about .about-partners__copy h3 {
  margin: 0 0 12px;
  font-size: clamp(1.2rem, 3.2vw, 1.55rem);
  font-weight: 300;
  color: var(--cream);
}

.page-about .about-partners__copy p {
  margin: 0 0 18px;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-partners__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-partners__list li {
  padding-left: 16px;
  border-left: 2px solid var(--edge);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .about-partners__list strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 500;
  color: var(--cream);
}

.page-about .about-partners__figure {
  margin: 40px 0 0;
}

/* ---------- 服务节奏 ---------- */
.page-about .about-service {
  border-top: 1px solid var(--edge);
}

.page-about .about-service__grid {
  display: grid;
  gap: 32px;
}

.page-about .about-service__copy p {
  margin-top: 14px;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-service__copy a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-about .service-list {
  display: grid;
}

.page-about .service-list__item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--edge);
}

.page-about .service-list__item:last-child {
  border-bottom: 1px solid var(--edge);
}

.page-about .service-list__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--green);
}

.page-about .service-list__item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 收尾 ---------- */
.page-about .about-cta {
  padding: 60px 0 68px;
  border-top: 1px solid var(--edge);
  background:
    linear-gradient(120deg, transparent 0 55%, rgba(184, 255, 60, 0.07) 55% 100%),
    var(--space-2);
}

.page-about .about-cta__inner {
  display: grid;
  gap: 16px;
}

.page-about .about-cta h2 {
  margin: 0;
  font-size: clamp(1.5rem, 4.4vw, 2.4rem);
  font-weight: 200;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-about .about-cta p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 6px;
}

.page-about .about-cta__link {
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(184, 255, 60, 0.4);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  color: var(--green);
  text-decoration: none;
  transition: border-color 0.3s var(--ease);
}

.page-about .about-cta__link:hover {
  border-bottom-color: var(--green);
}

/* ---------- 图片容器 ---------- */
.page-about .image-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 滚动显现 ---------- */
.page-about [data-reveal] {
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .page-about [data-reveal] {
      animation: about-reveal linear both;
      animation-timeline: view();
      animation-range: entry 0% cover 28%;
    }

    @keyframes about-reveal {
      from {
        opacity: 0;
        transform: translateY(14px);
      }
      to {
        opacity: 1;
        transform: none;
      }
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .timeline__item::before,
  .page-about .team-table tbody tr,
  .page-about .about-cta__link,
  .page-about [data-reveal] {
    transition: none;
  }
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-about .about-hero__strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .service-list__item {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-top: calc(var(--header-h) + 56px);
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 56px;
    align-items: center;
  }

  .page-about .about-evolution {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 48px;
    align-items: center;
  }

  .page-about .about-partners__grid {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 48px;
    align-items: center;
  }

  .page-about .about-service__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "title actions"
      "text actions";
    align-items: center;
    column-gap: 48px;
  }

  .page-about .about-cta h2 {
    grid-area: title;
  }

  .page-about .about-cta p {
    grid-area: text;
  }

  .page-about .about-cta__actions {
    grid-area: actions;
    margin-top: 0;
  }
}
<<<END>>>