.page-about {
  display: block;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  background: var(--cream);
  padding: clamp(26px, 5vw, 52px) 0 clamp(30px, 5vw, 54px);
}

.page-about .about-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 48px);
  align-items: center;
}

@media (min-width: 960px) {
  .page-about .about-hero-inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }
}

.page-about .about-hero-copy .breadcrumbs {
  margin-bottom: 16px;
}

.page-about .about-lede {
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.82;
  color: var(--ink);
  max-width: 60ch;
  margin: 16px 0 0;
}

.page-about .about-lede--sub {
  color: var(--snow-deep);
  font-size: clamp(15px, 1.7vw, 16.5px);
  margin-top: 12px;
}

.page-about h1 {
  font-family: var(--font-head);
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
  color: var(--ink);
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-hero-art {
  background: linear-gradient(165deg, var(--snow-deep) 0%, var(--sandstone) 60%, var(--sunset) 100%);
  border-radius: 34px 34px 34px 130px;
  padding: clamp(14px, 2vw, 22px);
  box-shadow: var(--shadow-soft);
}

.page-about .about-art {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .art-sun {
  fill: var(--sunset);
  opacity: 0.95;
}

.page-about .art-stand {
  fill: var(--space);
  opacity: 0.42;
}

.page-about .art-dune--far {
  fill: var(--space);
  opacity: 0.76;
}

.page-about .art-dune--near {
  fill: var(--ink);
  opacity: 0.92;
}

.page-about .art-track {
  fill: none;
  stroke: var(--on-dark);
  stroke-width: 2.5;
  stroke-dasharray: 10 12;
  stroke-linecap: round;
  opacity: 0.85;
}

.page-about .art-ball {
  fill: var(--cream);
}

/* ---------- 首屏数字条 ---------- */
.page-about .about-facts {
  list-style: none;
  margin: clamp(30px, 5vw, 48px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

@media (min-width: 760px) {
  .page-about .about-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .about-fact {
  background: var(--sand);
  padding: 20px 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-about .about-fact-value {
  font-size: clamp(24px, 3.6vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--sandstone);
}

.page-about .about-fact-label {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--snow-deep);
}

/* ---------- 品牌自述 ---------- */
.page-about .about-story {
  background: var(--cream);
  padding: clamp(48px, 8vw, 96px) 0;
}

.page-about .about-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 52px);
  align-items: start;
}

@media (min-width: 900px) {
  .page-about .about-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

.page-about .about-story-body h2,
.page-about .about-versions h2,
.page-about .about-team h2,
.page-about .about-process h2,
.page-about .about-partners h2,
.page-about .about-creed h2 {
  font-family: var(--font-head);
  font-size: clamp(23px, 3.4vw, 33px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 10px 0 16px;
  color: var(--ink);
}

.page-about .about-story-body h2 {
  margin-bottom: 18px;
}

.page-about .about-story-body p {
  font-size: clamp(15.5px, 1.8vw, 17px);
  line-height: 1.85;
  color: var(--snow-deep);
  margin: 0 0 16px;
  max-width: 64ch;
}

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

/* ---------- 图片通用 ---------- */
.page-about .about-figure {
  margin: 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-lg);
}

.page-about .about-figure figcaption {
  margin-top: 12px;
  padding-left: 14px;
  border-left: 3px solid var(--sandstone);
  font-size: 13px;
  line-height: 1.7;
  color: var(--snow-deep);
  max-width: 46ch;
}

.page-about .about-figure--tilt img {
  border-radius: 28px 28px 28px 72px;
  aspect-ratio: 3 / 2;
}

.page-about .about-figure--panorama img {
  aspect-ratio: 16 / 6;
  border-radius: 28px 28px 28px 96px;
}

.page-about .about-figure--poster {
  margin-top: clamp(26px, 4vw, 40px);
  max-width: 460px;
}

.page-about .about-figure--poster img {
  aspect-ratio: 5 / 6;
}

/* ---------- 版本时间线 ---------- */
.page-about .about-versions {
  background: var(--sand);
  padding: clamp(48px, 8vw, 92px) 0;
}

.page-about .about-versions-head {
  margin-bottom: clamp(24px, 4vw, 36px);
}

.page-about .about-versions-lede {
  font-size: clamp(15px, 1.8vw, 16.5px);
  line-height: 1.8;
  color: var(--snow-deep);
  margin: 0;
  max-width: 54ch;
}

.page-about .about-timeline-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(28px, 5vw, 48px);
}

@media (min-width: 980px) {
  .page-about .about-timeline-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-about .about-sticky {
    position: sticky;
    top: 108px;
    align-self: start;
  }
}

.page-about .about-sticky-card {
  background: var(--space);
  color: var(--on-dark);
  border-radius: var(--r-lg);
  padding: clamp(22px, 3vw, 32px);
  box-shadow: var(--shadow-soft);
}

.page-about .about-sticky-card .eyebrow {
  color: var(--sunset);
}

.page-about .about-sticky-ver {
  font-size: clamp(38px, 6vw, 56px);
  font-weight: 700;
  line-height: 1;
  margin: 8px 0 14px;
  color: var(--sunset);
}

.page-about .about-sticky-text {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--on-dark);
}

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

.page-about .about-sticky-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  font-size: 14px;
  border-top: 1px solid rgba(243, 232, 214, 0.18);
  color: rgba(243, 232, 214, 0.88);
}

.page-about .about-sticky-list .mono {
  font-size: 20px;
  font-weight: 700;
  color: var(--sunset);
  min-width: 34px;
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 36px;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--sandstone) 0%, var(--snow) 62%, rgba(201, 188, 166, 0) 100%);
}

.page-about .about-tl-item {
  position: relative;
  padding-bottom: clamp(26px, 4vw, 40px);
}

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

.page-about .about-tl-node {
  position: absolute;
  left: -36px;
  top: 0;
  width: 28px;
  height: 28px;
  box-sizing: border-box;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--sandstone);
  color: var(--cream);
  font-size: 11px;
  font-weight: 700;
}

.page-about .about-tl-ver {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--sandstone);
}

.page-about .about-tl-body h3 {
  font-family: var(--font-head);
  font-size: clamp(18px, 2.4vw, 23px);
  line-height: 1.4;
  margin: 0 0 8px;
  color: var(--ink);
}

.page-about .about-tl-body p {
  margin: 0;
  font-size: clamp(15px, 1.7vw, 16px);
  line-height: 1.82;
  color: var(--snow-deep);
  max-width: 58ch;
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  background: var(--cream);
  padding: clamp(48px, 8vw, 92px) 0;
}

.page-about .about-team-lede {
  font-size: clamp(15px, 1.8vw, 16.5px);
  line-height: 1.8;
  color: var(--snow-deep);
  margin: 0;
  max-width: 54ch;
}

.page-about .about-team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 3vw, 26px);
  margin-top: clamp(26px, 4vw, 42px);
}

@media (min-width: 780px) {
  .page-about .about-team-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-team-grid > :nth-child(2) {
    margin-top: 36px;
  }

  .page-about .about-team-grid > :nth-child(3) {
    margin-top: 14px;
  }
}

.page-about .about-team-card {
  background: var(--sand);
  border-radius: var(--r-lg);
  padding: clamp(22px, 3vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about .about-team-card--key {
  background: var(--sandstone);
  color: var(--cream);
}

.page-about .about-team-num {
  font-size: clamp(30px, 4vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--sandstone);
}

.page-about .about-team-card--key .about-team-num {
  color: var(--cream);
}

.page-about .about-team-card h3 {
  font-family: var(--font-head);
  font-size: 20px;
  margin: 0;
  color: var(--ink);
}

.page-about .about-team-card--key h3 {
  color: var(--cream);
}

.page-about .about-team-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--snow-deep);
}

.page-about .about-team-card--key p {
  color: rgba(251, 243, 228, 0.92);
}

/* ---------- 流程 ---------- */
.page-about .about-process {
  background: var(--space);
  color: var(--on-dark);
  padding: clamp(50px, 8vw, 96px) 0;
}

.page-about .about-process .eyebrow {
  color: var(--sunset);
}

.page-about .about-process h2 {
  color: var(--on-dark);
}

.page-about .about-process-lede {
  font-size: clamp(15px, 1.8vw, 16.5px);
  line-height: 1.8;
  color: rgba(243, 232, 214, 0.82);
  margin: 0;
  max-width: 54ch;
}

.page-about .about-steps {
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.2vw, 20px);
}

@media (min-width: 700px) {
  .page-about .about-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

.page-about .about-step {
  position: relative;
  background: rgba(251, 243, 228, 0.07);
  border-radius: var(--r-md);
  padding: 22px 20px 24px;
}

@media (min-width: 1060px) {
  .page-about .about-step:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -15px;
    top: 32px;
    width: 13px;
    height: 13px;
    border-right: 2px solid var(--sunset);
    border-bottom: 2px solid var(--sunset);
    border-radius: 0 0 9px 0;
    transform: rotate(-45deg);
    opacity: 0.7;
  }
}

.page-about .about-step-num {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--r-pill);
  background: var(--sandstone);
  color: var(--cream);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
}

.page-about .about-step h3 {
  font-family: var(--font-head);
  font-size: 19px;
  margin: 0 0 8px;
  color: var(--on-dark);
}

.page-about .about-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(243, 232, 214, 0.8);
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners {
  background: var(--cream);
  padding: clamp(48px, 8vw, 92px) 0;
}

.page-about .about-partners-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

@media (min-width: 900px) {
  .page-about .about-partners-inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  }
}

.page-about .about-partners-lead h2 {
  margin-bottom: 16px;
}

.page-about .about-partners-lead p {
  margin: 0;
  font-size: clamp(15px, 1.8vw, 16.5px);
  line-height: 1.82;
  color: var(--snow-deep);
  max-width: 46ch;
}

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

.page-about .about-partner-list li {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-about .about-partner-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-about .about-partner-list h3 {
  font-family: var(--font-head);
  font-size: 19px;
  margin: 0 0 8px;
  color: var(--ink);
}

.page-about .about-partner-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--snow-deep);
  max-width: 60ch;
}

/* ---------- 四条规矩 ---------- */
.page-about .about-creed {
  background: var(--sand);
  padding: clamp(48px, 8vw, 88px) 0;
}

.page-about .about-creed-list {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  max-width: 76ch;
}

.page-about .about-creed-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

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

.page-about .about-creed-list .mono {
  font-size: 14px;
  font-weight: 700;
  color: var(--sandstone);
  padding-top: 4px;
}

.page-about .about-creed-list p {
  margin: 0;
  font-size: clamp(15.5px, 1.8vw, 17px);
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 收口 ---------- */
.page-about .about-closing {
  background: linear-gradient(100deg, var(--sand) 0%, var(--sunset) 100%);
  padding: clamp(28px, 5vw, 44px) 0;
}

.page-about .about-closing-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 30px;
  align-items: center;
  justify-content: space-between;
}

.page-about .about-closing-text {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.5;
  font-weight: 700;
  color: var(--ink);
  max-width: 44ch;
}

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

@media (prefers-reduced-motion: reduce) {
  .page-about .about-figure--tilt img,
  .page-about .about-hero-art {
    transition: none;
  }
}
<<<END>>>