.page-about {
  --about-rail-w: 220px;
  --about-line: rgba(201, 164, 106, 0.38);
  --about-measure-bg: #FBEFF4;
  background: var(--paper);
}

/* ---------- 面包屑留白 ---------- */
.page-about .breadcrumb {
  padding-top: 22px;
}

/* ---------- 首屏：黑底分栏 ---------- */
.page-about .about-hero {
  position: relative;
  margin: 8px 12px 0;
  padding: clamp(44px, 6.5vw, 84px) 0 clamp(48px, 6.5vw, 88px);
  border-radius: var(--r-xl);
  background:
    radial-gradient(120% 92% at 88% -12%, rgba(228, 0, 126, 0.38), transparent 62%),
    radial-gradient(80% 60% at 4% 108%, rgba(58, 27, 77, 0.55), transparent 68%),
    var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(112deg, transparent 38%, rgba(255, 255, 255, 0.075) 49%, transparent 61%);
  pointer-events: none;
}

.page-about .about-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4.6vw, 52px);
  align-items: center;
}

.page-about .about-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 16px 0 22px;
  max-width: 15em;
}

.page-about .about-lead {
  max-width: 620px;
  margin: 0;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.95;
  color: rgba(255, 255, 255, 0.82);
}

.page-about .about-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 36px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline-light);
}

.page-about .about-fact {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-about .about-fact-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(24px, 2.8vw, 32px);
  letter-spacing: -0.03em;
  color: var(--gold);
}

.page-about .about-fact-num small {
  font-size: 0.46em;
  letter-spacing: 0.06em;
  margin-left: 2px;
}

.page-about .about-fact-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.58);
}

.page-about .about-hero-figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  box-shadow: 0 30px 70px -40px rgba(0, 0, 0, 0.9);
}

.page-about .about-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-about .about-hero-note {
  position: absolute;
  right: 14px;
  top: 50%;
  writing-mode: vertical-rl;
  transform: translateY(-50%) rotate(180deg);
  font-size: 11px;
  letter-spacing: 0.34em;
  color: rgba(201, 164, 106, 0.72);
  pointer-events: none;
  z-index: 2;
}

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
  }
  .page-about .about-hero-figure {
    transform: translateY(22px);
  }
}

@media (max-width: 899px) {
  .page-about .about-hero-note {
    display: none;
  }
}

/* ---------- 主体分栏骨架 ---------- */
.page-about .about-layout {
  display: grid;
  gap: clamp(24px, 3.6vw, 48px);
  padding-top: clamp(48px, 7vw, 96px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

@media (min-width: 1000px) {
  .page-about .about-layout {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: clamp(48px, 6vw, 96px);
    align-items: start;
  }
}

/* 目录索引 */
.page-about .about-rail-title {
  font-family: var(--font-script);
  font-size: 17px;
  color: var(--brand-deep);
  margin: 0 0 14px;
  letter-spacing: 0.04em;
}

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

.page-about .about-index-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
  transition: color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.page-about .about-index-link .index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-ink);
  transition: color 0.18s ease;
}

.page-about .about-index-link:hover {
  color: var(--brand-deep);
  border-bottom-color: var(--gold);
  transform: translateX(2px);
}

.page-about .about-index-link.is-active {
  color: var(--brand-deep);
  font-weight: 700;
  border-bottom-color: var(--brand);
}

.page-about .about-index-link.is-active .index-num {
  color: var(--brand);
}

@media (min-width: 1000px) {
  .page-about .about-rail {
    position: sticky;
    top: 108px;
    align-self: start;
  }
}

@media (max-width: 999px) {
  .page-about .about-rail {
    position: sticky;
    top: 66px;
    z-index: 6;
    margin: 0 -16px;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--hairline);
  }
  .page-about .about-rail-title {
    display: none;
  }
  .page-about .about-index {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .page-about .about-index::-webkit-scrollbar {
    display: none;
  }
  .page-about .about-index li {
    flex: 0 0 auto;
  }
  .page-about .about-index-link {
    gap: 7px;
    padding: 8px 15px;
    border: 1px solid var(--hairline);
    border-radius: var(--r-pill);
    white-space: nowrap;
    font-size: 14px;
    border-bottom-width: 1px;
  }
  .page-about .about-index-link.is-active {
    border-color: var(--brand);
    background: #FBEFF4;
  }
}

/* ---------- 章节 ---------- */
.page-about .about-section {
  scroll-margin-top: 128px;
  padding-top: clamp(8px, 1.4vw, 16px);
}

.page-about .about-section:not(:last-child) {
  padding-bottom: clamp(48px, 6vw, 76px);
  margin-bottom: clamp(48px, 6vw, 76px);
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 26px;
}

.page-about .about-section-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold-ink);
  padding-top: 8px;
}

.page-about .about-section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
}

.page-about .about-prose {
  max-width: 720px;
}

.page-about .about-prose p {
  font-size: clamp(15.5px, 1.1vw, 17px);
  line-height: 1.95;
  color: var(--slate);
  margin: 0 0 18px;
}

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

.page-about .about-prose strong {
  color: var(--brand-deep);
  font-weight: 600;
}

.page-about .about-prose a {
  color: var(--brand-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(165, 14, 82, 0.35);
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-about .about-prose a:hover {
  color: var(--brand);
  border-bottom-color: var(--brand);
}

/* ---------- 条形图 ---------- */
.page-about .about-bars {
  margin-top: 34px;
  display: grid;
  gap: 14px;
  max-width: 720px;
}

.page-about .about-bar-row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) 44px;
  align-items: center;
  gap: 12px;
}

.page-about .about-bar-name {
  font-size: 14px;
  color: var(--ink);
  font-weight: 500;
}

.page-about .about-bar-track {
  display: block;
  height: 10px;
  border-radius: var(--r-pill);
  background: var(--sand);
  overflow: hidden;
}

.page-about .about-bar-fill {
  display: block;
  height: 100%;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--plum) 0%, var(--brand-deep) 55%, var(--brand) 100%);
  transform-origin: left center;
}

.page-about .about-bar-row:first-child .about-bar-fill {
  background: linear-gradient(90deg, var(--brand-deep) 0%, var(--brand) 70%, var(--glow) 100%);
}

.page-about .about-bar-pct {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  color: var(--brand-deep);
  text-align: right;
}

.page-about .about-bars-note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-about .about-bars.is-visible .about-bar-fill {
  animation: aboutBarGrow 820ms cubic-bezier(0.22, 0.9, 0.28, 1) both;
}

.page-about .about-bars.is-visible .about-bar-row:nth-child(2) .about-bar-fill { animation-delay: 70ms; }
.page-about .about-bars.is-visible .about-bar-row:nth-child(3) .about-bar-fill { animation-delay: 140ms; }
.page-about .about-bars.is-visible .about-bar-row:nth-child(4) .about-bar-fill { animation-delay: 210ms; }
.page-about .about-bars.is-visible .about-bar-row:nth-child(5) .about-bar-fill { animation-delay: 280ms; }
.page-about .about-bars.is-visible .about-bar-row:nth-child(6) .about-bar-fill { animation-delay: 350ms; }
.page-about .about-bars.is-visible .about-bar-row:nth-child(7) .about-bar-fill { animation-delay: 420ms; }
.page-about .about-bars.is-visible .about-bar-row:nth-child(8) .about-bar-fill { animation-delay: 490ms; }

@keyframes aboutBarGrow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* ---------- 图片 ---------- */
.page-about .about-figure {
  margin: 34px 0 0;
  max-width: 720px;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border-radius: var(--r-md);
}

.page-about .about-figure--square img {
  aspect-ratio: 1 / 1;
  max-width: 420px;
}

.page-about .about-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
  padding-left: 14px;
  border-left: 2px solid var(--gold);
}

/* ---------- 流程曲线图 ---------- */
.page-about .about-flow {
  margin: 30px 0 30px;
  max-width: 720px;
  padding: 18px 0 6px;
}

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

.page-about .about-flow-path {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.4;
  stroke-dasharray: 4 6;
  stroke-linecap: round;
}

.page-about .about-flow-dot {
  fill: var(--brand);
  stroke: var(--paper);
  stroke-width: 3;
}

.page-about .about-flow-label {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  fill: var(--ink);
}

/* ---------- 团队三栏 ---------- */
.page-about .about-team {
  list-style: none;
  margin: 30px 0 30px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--about-line);
  max-width: 720px;
}

.page-about .about-team-item {
  background: var(--paper);
  padding: 22px 0 22px 0;
}

.page-about .about-team-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--paper);
  background: var(--ink);
  border-radius: var(--r-pill);
  padding: 5px 13px;
  margin-bottom: 12px;
}

.page-about .about-team-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-about .about-team-item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--slate);
}

@media (min-width: 720px) {
  .page-about .about-team {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-team-item {
    padding: 24px 22px;
  }
  .page-about .about-team-item:first-child {
    padding-left: 0;
  }
  .page-about .about-team-item:last-child {
    padding-right: 0;
  }
}

/* ---------- 尺码卡片 ---------- */
.page-about .about-size-grid {
  display: grid;
  gap: 16px;
  margin: 30px 0;
  max-width: 720px;
}

@media (min-width: 640px) {
  .page-about .about-size-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .about-size-card {
  background: var(--blush);
  border-radius: var(--r-md);
  padding: 24px 22px 22px;
  border-top: 3px solid var(--brand);
}

.page-about .about-size-card:last-child {
  border-top-color: var(--plum);
}

.page-about .about-size-label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--slate);
}

.page-about .about-size-range {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 30px);
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-about .about-size-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--slate);
}

/* ---------- 测量部位 ---------- */
.page-about .about-measure-list {
  list-style: none;
  margin: 26px 0 30px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  max-width: 720px;
}

@media (min-width: 640px) {
  .page-about .about-measure-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .about-measure-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  border-radius: var(--r-sm);
  background: var(--about-measure-bg);
  font-size: 14.5px;
  color: var(--ink);
}

.page-about .about-measure-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--brand);
}

/* ---------- 时间线 ---------- */
.page-about .about-eras {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  max-width: 720px;
}

.page-about .about-era {
  position: relative;
  padding: 0 0 34px 32px;
  border-left: 1px solid var(--about-line);
  transition: border-color 0.2s ease;
}

.page-about .about-era:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-about .about-era-dot {
  position: absolute;
  left: -5px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--sand);
  border: 1px solid var(--gold);
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.page-about .about-era:hover .about-era-dot,
.page-about .about-era:focus-within .about-era-dot {
  background: var(--brand);
  border-color: var(--brand);
  transform: scale(1.5);
}

.page-about .about-era-phase {
  margin: 0 0 4px;
  font-family: var(--font-script);
  font-size: 15px;
  color: var(--gold-ink);
  letter-spacing: 0.04em;
}

.page-about .about-era-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 21px;
  line-height: 1.42;
  color: var(--ink);
  margin: 0 0 10px;
}

.page-about .about-era-text {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--slate);
}

.page-about .about-era-shift {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 14px;
  line-height: 1.75;
  color: var(--brand-deep);
}

/* ---------- 结尾行动区 ---------- */
.page-about .about-cta {
  margin-top: clamp(40px, 5vw, 64px);
  padding: clamp(28px, 3.6vw, 44px);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(228, 0, 126, 0.22), transparent 60%),
    var(--ink);
  color: var(--paper);
}

.page-about .about-cta-text {
  margin: 0 0 22px;
  max-width: 34em;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.86);
}

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

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-bars.is-visible .about-bar-fill {
    animation: none;
  }
  .page-about .about-index-link,
  .page-about .about-era-dot {
    transition: none;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
</result>