.page-about {
  --about-glow: rgba(232, 180, 90, 0.16);
  --about-violet-glow: rgba(140, 92, 255, 0.12);
  --about-muted: rgba(244, 239, 228, 0.72);
  --about-soft-line: rgba(30, 74, 60, 0.9);
  background:
    radial-gradient(900px 540px at 84% -8%, var(--about-glow), transparent 62%),
    radial-gradient(720px 480px at 2% 10%, var(--about-violet-glow), transparent 66%),
    var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

.page-about .container {
  padding-inline: 20px;
}

.page-about .about-h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 38px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 10px 0 16px;
  color: var(--paper);
}

.page-about .label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-about .about-textlink {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 180, 90, 0.5);
  padding-bottom: 2px;
  font-size: 15px;
}

.page-about .about-textlink:hover,
.page-about .about-textlink:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: 28px 0 44px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(30, 74, 60, 0.35) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, rgba(30, 74, 60, 0.22) 0 1px, transparent 1px 88px);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}

.page-about .about-hero__label {
  margin: 18px 0 0;
}

.page-about .about-hero__main h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7.4vw, 68px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 14px 0 20px;
  color: var(--paper);
}

.page-about .about-hero__accent {
  color: var(--gold);
  background: linear-gradient(92deg, var(--gold-soft), var(--gold) 68%, var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-about .about-hero__lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--about-muted);
  max-width: 62ch;
  margin: 0 0 14px;
}

.page-about .about-hero__note {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(61, 224, 208, 0.86);
  max-width: 56ch;
  margin: 0;
}

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

.page-about .about-stat {
  background: linear-gradient(150deg, var(--felt), var(--felt-2));
  padding: 16px 14px 18px;
  display: flex;
  flex-direction: column-reverse;
  gap: 6px;
}

.page-about .about-stat__label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--about-muted);
  margin: 0;
}

.page-about .about-stat__num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--gold-soft);
  margin: 0;
}

.page-about .about-stat__unit {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--about-muted);
  margin-left: 3px;
}

/* ---------- 通用区块 ---------- */
.page-about .about-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--soft-line, var(--line));
}

.page-about .about-section__head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
  margin-bottom: 28px;
}

.page-about .about-section__head .about-h2 {
  margin: 0;
}

.page-about .about-section__head .label {
  display: inline-block;
  margin-top: 8px;
}

/* ---------- 品牌起点 ---------- */
.page-about .about-origin__grid {
  display: grid;
  gap: 28px;
}

.page-about .about-origin__text p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--about-muted);
  margin: 0 0 16px;
}

.page-about .about-origin__quote {
  border-left: 2px solid var(--gold);
  padding: 4px 0 4px 14px;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.7;
  color: var(--gold-soft) !important;
  margin-top: 22px !important;
}

.page-about .about-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--felt-2);
  position: relative;
  overflow: hidden;
}

.page-about .about-figure::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(340px 200px at 78% 8%, rgba(232, 180, 90, 0.2), transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

.page-about .about-figure__cap {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--about-muted);
  padding: 8px 10px;
  border-top: 1px solid var(--line);
  background: rgba(2, 10, 8, 0.5);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline__grid {
  display: grid;
  gap: 24px;
}

.page-about .about-toc__title {
  margin: 0 0 10px;
}

.page-about .about-toc__list {
  list-style: none;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 0 0 6px;
  margin: 0;
  scrollbar-width: thin;
}

.page-about .about-toc__list li {
  flex: 0 0 auto;
}

.page-about .about-toc__list a {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--about-muted);
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 7px 10px;
  background: var(--felt-2);
  white-space: nowrap;
}

.page-about .about-toc__list a:hover,
.page-about .about-toc__list a:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(232, 180, 90, 0.08);
}

.page-about .about-stages {
  list-style: none;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.page-about .about-stage {
  position: relative;
  padding: 0 0 30px 22px;
  border-left: 1px solid var(--line);
}

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

.page-about .about-stage::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--gold);
  box-shadow: 0 0 12px rgba(232, 180, 90, 0.7);
}

.page-about .about-stage__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-about .about-stage__title {
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.4;
  margin: 6px 0 8px;
  color: var(--paper);
}

.page-about .about-stage p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-muted);
  margin: 0;
}

.page-about .about-stage--media {
  padding: 0 0 30px 22px;
}

.page-about .about-stage--media::before {
  background: var(--violet);
  box-shadow: 0 0 12px rgba(140, 92, 255, 0.65);
}

.page-about .about-figure--inline {
  max-width: 520px;
}

/* ---------- 团队 ---------- */
.page-about .about-team__grid {
  display: grid;
  gap: 14px;
}

.page-about .about-team-card {
  background: linear-gradient(155deg, var(--felt), var(--felt-2));
  border: 1px solid var(--line);
  padding: 18px 18px 20px;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-about .about-team-card:hover {
  border-color: rgba(232, 180, 90, 0.55);
  transform: translateY(-2px);
}

.page-about .about-team-card--intro {
  background:
    linear-gradient(150deg, rgba(232, 180, 90, 0.12), transparent 60%),
    linear-gradient(155deg, var(--felt), var(--felt-2));
  border-color: rgba(232, 180, 90, 0.4);
}

.page-about .about-team-card__num {
  font-size: 40px;
  line-height: 1;
  color: var(--gold);
  margin: 0 0 10px;
}

.page-about .about-team-card__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid currentColor;
  margin-bottom: 10px;
}

.page-about .about-team-card__title {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  margin: 0 0 8px;
}

.page-about .about-team-card__text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--about-muted);
  margin: 0;
}

/* ---------- 覆盖 ---------- */
.page-about .about-reach__grid {
  display: grid;
  gap: 28px;
}

.page-about .about-reach__text p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--about-muted);
  margin: 0 0 14px;
}

.page-about .about-reach__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 18px;
}

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

.page-about .about-reach-card {
  background: var(--felt-2);
  padding: 18px 14px;
}

.page-about .about-reach-card__num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--gold-soft);
  margin: 0 0 8px;
}

.page-about .about-reach-card__num span {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--about-muted);
  margin-left: 3px;
}

.page-about .about-reach-card__text {
  font-size: 13px;
  line-height: 1.6;
  color: var(--about-muted);
  margin: 0;
}

/* ---------- 案例 ---------- */
.page-about .about-cases__grid {
  display: grid;
  gap: 28px;
}

.page-about .about-cases__text p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--about-muted);
  margin: 0 0 14px;
}

.page-about .about-cat-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 4px 0 18px;
}

.page-about .about-cat-list li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  border: 1px solid var(--soft-line, var(--line));
  padding: 5px 10px;
  background: rgba(61, 224, 208, 0.06);
}

/* ---------- 原则 ---------- */
.page-about .about-principles__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-about .about-principle {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  position: relative;
}

.page-about .about-principle::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 48px;
  height: 1px;
  background: var(--gold);
}

.page-about .about-principle__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-about .about-principle__title {
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.4;
  color: var(--paper);
  margin: 6px 0 8px;
}

.page-about .about-principle p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-muted);
  margin: 0;
}

/* ---------- 结尾 ---------- */
.page-about .about-cta {
  padding: 48px 0 64px;
}

.page-about .about-cta__inner {
  border: 1px solid rgba(232, 180, 90, 0.4);
  background:
    radial-gradient(420px 220px at 88% 0%, rgba(232, 180, 90, 0.18), transparent 70%),
    linear-gradient(160deg, var(--felt), var(--felt-2));
  padding: 28px 20px;
  display: grid;
  gap: 22px;
}

.page-about .about-cta__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 4.6vw, 34px);
  line-height: 1.28;
  margin: 8px 0 10px;
  color: var(--gold-soft);
}

.page-about .about-cta__text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--about-muted);
  margin: 0;
  max-width: 52ch;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-cta__actions .btn {
  flex: 1 1 auto;
  min-width: 110px;
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-team-card {
    transition: border-color 0.2s linear;
  }
  .page-about .about-team-card:hover {
    transform: none;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-about .container {
    padding-inline: 32px;
  }

  .page-about .about-hero {
    padding: 40px 0 56px;
  }

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

  .page-about .about-stat {
    padding: 18px 16px 20px;
  }

  .page-about .about-section {
    padding: 64px 0;
  }

  .page-about .about-origin__grid,
  .page-about .about-cases__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
    gap: 36px;
  }

  .page-about .about-cases__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-about .about-cases__grid .about-figure--case {
    align-self: stretch;
  }

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

  .page-about .about-team-card--intro {
    grid-column: span 2;
  }

  .page-about .about-reach__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
    gap: 36px;
  }

  .page-about .about-principles__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
    padding: 34px 32px;
  }

  .page-about .about-cta__actions {
    flex-wrap: nowrap;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-about .container {
    padding-inline: 40px;
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 56px;
    padding-top: 8px;
  }

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

  .page-about .about-section {
    padding: 84px 0;
  }

  .page-about .about-timeline__grid {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 56px;
  }

  .page-about .about-toc {
    position: sticky;
    top: 96px;
    align-self: start;
    border-right: 1px solid var(--line);
    padding-right: 16px;
  }

  .page-about .about-toc__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-toc__list a {
    border: 0;
    border-left: 1px solid var(--line);
    background: transparent;
    padding: 9px 0 9px 14px;
    font-size: 13px;
  }

  .page-about .about-toc__list a:hover,
  .page-about .about-toc__list a:focus-visible {
    border-left-color: var(--gold);
    background: rgba(232, 180, 90, 0.07);
  }

  .page-about .about-stage {
    padding-left: 30px;
    padding-bottom: 40px;
  }

  .page-about .about-stage--media {
    padding-left: 30px;
  }

  .page-about .about-stage__title {
    font-size: 23px;
  }

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

  .page-about .about-team-card--intro {
    grid-column: span 2;
    padding: 24px;
  }

  .page-about .about-team-card:nth-child(4) {
    grid-column: span 2;
  }

  .page-about .about-reach-card__num {
    font-size: 30px;
  }

  .page-about .about-origin__grid,
  .page-about .about-cases__grid,
  .page-about .about-reach__grid {
    gap: 64px;
  }
}
</main>
<<<END>>>

.page-about {
  --soft-line: currentColor;
}