.page-about {
  --about-axis: rgba(201, 164, 92, 0.42);
  --about-soft-ink: rgba(24, 33, 31, 0.68);
  background-color: var(--ivory);
  color: var(--ink);
}

/* 首屏 */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(20px, 3vw, 34px) clamp(44px, 7vw, 84px);
  background: radial-gradient(140% 100% at 85% 0%, #1a4640 0%, var(--forest) 46%, var(--forest-deep) 100%);
  color: var(--champagne);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(233, 216, 180, 0.06) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(233, 216, 180, 0.045) 0 1px, transparent 1px 96px);
}

.page-about .about-hero > .container {
  position: relative;
  z-index: 1;
}

.page-about .about-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(233, 216, 180, 0.62);
}

.page-about .about-crumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 40px);
  margin-top: clamp(24px, 4vw, 48px);
}

.page-about .about-hero__eyebrow {
  color: var(--gold);
  letter-spacing: 0.3em;
}

.page-about .about-hero__coord {
  margin: 14px 0 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(233, 216, 180, 0.55);
}

.page-about .about-hero__note {
  margin: 18px 0 0;
  max-width: 24ch;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.85;
  color: rgba(233, 216, 180, 0.72);
}

.page-about .about-hero__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(32px, 6.2vw, 68px);
  line-height: 1.14;
  letter-spacing: 0.03em;
  color: var(--ivory);
}

.page-about .about-hero__lede {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 56ch;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: rgba(247, 243, 234, 0.82);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-about .about-hero__figure {
  margin: clamp(32px, 5vw, 56px) 0 0;
}

.page-about .about-hero__figure .media-caption {
  color: rgba(233, 216, 180, 0.66);
}

/* 章节索引 */
.page-about .about-index {
  background: var(--ivory);
  border-bottom: 1px solid var(--line-light);
  padding-block: 14px;
}

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

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

.page-about .about-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  font-size: 13px;
  color: var(--forest);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  border-color: var(--gold);
  background-color: rgba(201, 164, 92, 0.12);
}

.page-about .about-index__list .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold-ink);
}

/* 章节通用骨架 */
.page-about .about-section {
  background-color: var(--ivory);
}

.page-about .about-section__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 34px);
}

.page-about .about-section__aside {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about .about-section__num {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-about .about-section__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--forest);
}

.page-about .about-section__tick {
  display: block;
  width: 42px;
  height: 1px;
  background: var(--gold);
}

.page-about .about-section__note {
  margin: 0;
  padding-left: 12px;
  border-left: 1px solid var(--line-light);
  font-family: var(--font-serif);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--about-soft-ink);
}

.page-about .about-section__body > p {
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--about-soft-ink);
}

.page-about .about-section__body > p:first-of-type {
  margin-top: 0;
}

/* 引文色块 */
.page-about .about-pull {
  margin: clamp(24px, 4vw, 42px) 0 0;
  padding: clamp(22px, 4vw, 38px) clamp(22px, 4vw, 42px);
  background: linear-gradient(135deg, var(--champagne) 0%, rgba(233, 216, 180, 0.5) 100%);
  border-left: 3px solid var(--gold);
  border-radius: 44px 44px 44px 6px;
}

.page-about .about-pull p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(17px, 2.1vw, 22px);
  line-height: 1.7;
  color: var(--forest);
}

/* 服务标准与旁注展开 */
.page-about .about-standards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 34px);
  margin-top: clamp(24px, 4vw, 40px);
}

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

.page-about .about-standards__list {
  display: flex;
  flex-direction: column;
}

.page-about .about-detail {
  border-top: 1px solid var(--line-light);
  padding-block: 14px;
}

.page-about .about-detail:last-child {
  border-bottom: 1px solid var(--line-light);
}

.page-about .about-detail summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--forest);
}

.page-about .about-detail summary::-webkit-details-marker {
  display: none;
}

.page-about .about-detail summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.2;
  color: var(--gold-ink);
}

.page-about .about-detail[open] summary::after {
  content: "–";
}

.page-about .about-detail summary:hover {
  color: var(--gold-ink);
}

.page-about .about-detail summary:focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: 3px;
}

.page-about .about-detail p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--about-soft-ink);
}

/* 换新历程：深色坐标时间线 */
.page-about .about-section--dark {
  position: relative;
  overflow: hidden;
  background: radial-gradient(110% 90% at 12% 0%, #17403a 0%, var(--forest) 48%, var(--forest-deep) 100%);
  color: var(--ivory);
}

.page-about .about-section--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(233, 216, 180, 0.055) 0 1px, transparent 1px 104px);
}

.page-about .about-section--dark > .container {
  position: relative;
  z-index: 1;
}

.page-about .about-section__head {
  max-width: 68ch;
}

.page-about .about-section__eyebrow {
  color: var(--gold);
}

.page-about .about-section--dark .section-title {
  margin: 14px 0 0;
  color: var(--ivory);
}

.page-about .about-section--dark .lede {
  margin: 18px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.9;
  color: rgba(233, 216, 180, 0.76);
}

.page-about .about-timeline {
  list-style: none;
  margin: clamp(32px, 5vw, 56px) 0 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(201, 164, 92, 0.14) 100%);
}

.page-about .about-timeline > li {
  position: relative;
  padding-left: 36px;
}

.page-about .about-timeline > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  background: var(--forest-deep);
  box-shadow: 0 0 0 4px rgba(201, 164, 92, 0.1);
}

.page-about .about-timeline__stage {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-about .about-timeline h3 {
  margin: 8px 0 0;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--ivory);
}

.page-about .about-timeline p:not(.about-timeline__stage) {
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(233, 216, 180, 0.74);
}

.page-about .about-timeline__figure {
  margin: clamp(34px, 5vw, 56px) 0 0;
}

.page-about .about-timeline__figure .media-caption {
  color: rgba(233, 216, 180, 0.62);
}

/* 团队流程 */
.page-about .about-flow {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background-color: var(--line-light);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-about .about-flow > li {
  display: flex;
  gap: 16px;
  padding: clamp(16px, 2.4vw, 24px);
  background-color: var(--ivory);
}

.page-about .about-flow > li > .mono {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-ink);
}

.page-about .about-flow h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  color: var(--forest);
}

.page-about .about-flow p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--about-soft-ink);
}

/* 合作与认可 */
.page-about .about-stats {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background-color: var(--line-light);
  border-block: 1px solid var(--line-light);
}

.page-about .about-stats > li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 3vw, 26px) clamp(14px, 2vw, 20px);
  background-color: var(--ivory);
}

.page-about .about-stats__num {
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--gold-ink);
}

.page-about .about-stats__label {
  font-size: 13px;
  line-height: 1.65;
  color: var(--about-soft-ink);
}

/* 收束行动 */
.page-about .about-visit__panel {
  position: relative;
  padding: clamp(26px, 5vw, 56px);
  background-color: var(--ivory);
  border: 1px solid var(--line-light);
  border-top: 3px solid var(--gold);
  border-radius: 6px 6px var(--radius-lg) var(--radius-lg);
}

.page-about .about-visit__eyebrow {
  color: var(--gold-ink);
}

.page-about .about-visit__panel .section-title {
  margin: 14px 0 0;
  color: var(--forest);
}

.page-about .about-visit__panel .lede {
  margin: 16px 0 0;
  max-width: 56ch;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.9;
  color: var(--about-soft-ink);
}

.page-about .about-visit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-about .about-visit__foot {
  margin: clamp(24px, 3.5vw, 34px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-light);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--haze);
}

/* 断点 */
@media (min-width: 760px) {
  .page-about .about-standards {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-about .about-hero__side {
    padding-left: 20px;
    border-left: 1px solid var(--about-axis);
  }

  .page-about .about-section__grid {
    grid-template-columns: minmax(0, 212px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-about .about-section__grid--flip {
    grid-template-columns: minmax(0, 1fr) minmax(0, 212px);
  }

  .page-about .about-section__grid--flip .about-section__aside {
    order: 2;
  }

  .page-about .about-section__aside {
    position: sticky;
    top: 96px;
  }

  .page-about .about-timeline > li {
    padding-left: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

.page-about {
  --about-axis: rgba(201, 164, 92, 0.42);
  --about-soft-ink: rgba(24, 33, 31, 0.68);
  background-color: var(--ivory);
  color: var(--ink);
}

/* 首屏 */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(20px, 3vw, 34px) clamp(44px, 7vw, 84px);
  background: radial-gradient(140% 100% at 85% 0%, #1a4640 0%, var(--forest) 46%, var(--forest-deep) 100%);
  color: var(--champagne);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(233, 216, 180, 0.06) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(233, 216, 180, 0.045) 0 1px, transparent 1px 96px);
}

.page-about .about-hero > .container {
  position: relative;
  z-index: 1;
}

.page-about .about-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(233, 216, 180, 0.62);
}

.page-about .about-crumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 40px);
  margin-top: clamp(24px, 4vw, 48px);
}

.page-about .about-hero__eyebrow {
  color: var(--gold);
  letter-spacing: 0.3em;
}

.page-about .about-hero__coord {
  margin: 14px 0 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(233, 216, 180, 0.55);
}

.page-about .about-hero__note {
  margin: 18px 0 0;
  max-width: 24ch;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.85;
  color: rgba(233, 216, 180, 0.72);
}

.page-about .about-hero__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(32px, 6.2vw, 68px);
  line-height: 1.14;
  letter-spacing: 0.03em;
  color: var(--ivory);
}

.page-about .about-hero__lede {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 56ch;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: rgba(247, 243, 234, 0.82);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-about .about-hero__figure {
  margin: clamp(32px, 5vw, 56px) 0 0;
}

.page-about .about-hero__figure .media-caption {
  color: rgba(233, 216, 180, 0.66);
}

/* 章节索引 */
.page-about .about-index {
  background: var(--ivory);
  border-bottom: 1px solid var(--line-light);
  padding-block: 14px;
}

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

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

.page-about .about-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  font-size: 13px;
  color: var(--forest);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  border-color: var(--gold);
  background-color: rgba(201, 164, 92, 0.12);
}

.page-about .about-index__list .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold-ink);
}

/* 章节通用骨架 */
.page-about .about-section {
  background-color: var(--ivory);
}

.page-about .about-section__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 34px);
}

.page-about .about-section__aside {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about .about-section__num {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-about .about-section__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--forest);
}

.page-about .about-section__tick {
  display: block;
  width: 42px;
  height: 1px;
  background: var(--gold);
}

.page-about .about-section__note {
  margin: 0;
  padding-left: 12px;
  border-left: 1px solid var(--line-light);
  font-family: var(--font-serif);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--about-soft-ink);
}

.page-about .about-section__body > p {
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--about-soft-ink);
}

/* 引文色块 */
.page-about .about-pull {
  margin: clamp(24px, 4vw, 42px) 0 0;
  padding: clamp(22px, 4vw, 38px) clamp(22px, 4vw, 42px);
  background: linear-gradient(135deg, var(--champagne) 0%, rgba(233, 216, 180, 0.5) 100%);
  border-left: 3px solid var(--gold);
  border-radius: 44px 44px 44px 6px;
}

.page-about .about-pull p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(17px, 2.1vw, 22px);
  line-height: 1.7;
  color: var(--forest);
}

/* 服务标准与旁注展开 */
.page-about .about-standards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 34px);
  margin-top: clamp(24px, 4vw, 40px);
}

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

.page-about .about-standards__list {
  display: flex;
  flex-direction: column;
}

.page-about .about-detail {
  border-top: 1px solid var(--line-light);
  padding-block: 14px;
}

.page-about .about-detail:last-child {
  border-bottom: 1px solid var(--line-light);
}

.page-about .about-detail summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--forest);
}

.page-about .about-detail summary::-webkit-details-marker {
  display: none;
}

.page-about .about-detail summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.2;
  color: var(--gold-ink);
}

.page-about .about-detail[open] summary::after {
  content: "–";
}

.page-about .about-detail summary:hover {
  color: var(--gold-ink);
}

.page-about .about-detail summary:focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: 3px;
}

.page-about .about-detail p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--about-soft-ink);
}

/* 换新历程：深色坐标时间线 */
.page-about .about-section--dark {
  position: relative;
  overflow: hidden;
  background: radial-gradient(110% 90% at 12% 0%, #17403a 0%, var(--forest) 48%, var(--forest-deep) 100%);
  color: var(--ivory);
}

.page-about .about-section--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(233, 216, 180, 0.055) 0 1px, transparent 1px 104px);
}

.page-about .about-section--dark > .container {
  position: relative;
  z-index: 1;
}

.page-about .about-section__head {
  max-width: 68ch;
}

.page-about .about-section__eyebrow {
  color: var(--gold);
}

.page-about .about-section--dark .section-title {
  margin: 14px 0 0;
  color: var(--ivory);
}

.page-about .about-section--dark .lede {
  margin: 18px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.9;
  color: rgba(233, 216, 180, 0.76);
}

.page-about .about-timeline {
  list-style: none;
  margin: clamp(32px, 5vw, 56px) 0 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(201, 164, 92, 0.14) 100%);
}

.page-about .about-timeline > li {
  position: relative;
  padding-left: 36px;
}

.page-about .about-timeline > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  background: var(--forest-deep);
  box-shadow: 0 0 0 4px rgba(201, 164, 92, 0.1);
}

.page-about .about-timeline__stage {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-about .about-timeline h3 {
  margin: 8px 0 0;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--ivory);
}

.page-about .about-timeline p:not(.about-timeline__stage) {
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(233, 216, 180, 0.74);
}

.page-about .about-timeline__figure {
  margin: clamp(34px, 5vw, 56px) 0 0;
}

.page-about .about-timeline__figure .media-caption {
  color: rgba(233, 216, 180, 0.62);
}

/* 团队流程 */
.page-about .about-flow {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background-color: var(--line-light);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-about .about-flow > li {
  display: flex;
  gap: 16px;
  padding: clamp(16px, 2.4vw, 24px);
  background-color: var(--ivory);
}

.page-about .about-flow > li > .mono {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-ink);
}

.page-about .about-flow h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  color: var(--forest);
}

.page-about .about-flow p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--about-soft-ink);
}

/* 合作与认可 */
.page-about .about-stats {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background-color: var(--line-light);
  border-block: 1px solid var(--line-light);
}

.page-about .about-stats > li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 3vw, 26px) clamp(14px, 2vw, 20px);
  background-color: var(--ivory);
}

.page-about .about-stats__num {
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--gold-ink);
}

.page-about .about-stats__label {
  font-size: 13px;
  line-height: 1.65;
  color: var(--about-soft-ink);
}

/* 收束行动 */
.page-about .about-visit__panel {
  position: relative;
  padding: clamp(26px, 5vw, 56px);
  background-color: var(--ivory);
  border: 1px solid var(--line-light);
  border-top: 3px solid var(--gold);
  border-radius: 6px 6px var(--radius-lg) var(--radius-lg);
}

.page-about .about-visit__eyebrow {
  color: var(--gold-ink);
}

.page-about .about-visit__panel .section-title {
  margin: 14px 0 0;
  color: var(--forest);
}

.page-about .about-visit__panel .lede {
  margin: 16px 0 0;
  max-width: 56ch;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.9;
  color: var(--about-soft-ink);
}

.page-about .about-visit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-about .about-visit__foot {
  margin: clamp(24px, 3.5vw, 34px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-light);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--haze);
}

/* 断点 */
@media (min-width: 760px) {
  .page-about .about-standards {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-about .about-hero__side {
    padding-left: 20px;
    border-left: 1px solid var(--about-axis);
  }

  .page-about .about-section__grid {
    grid-template-columns: minmax(0, 212px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-about .about-section__grid--flip {
    grid-template-columns: minmax(0, 1fr) minmax(0, 212px);
  }

  .page-about .about-section__grid--flip .about-section__aside {
    order: 2;
  }

  .page-about .about-section__aside {
    position: sticky;
    top: 96px;
  }

  .page-about .about-timeline > li {
    padding-left: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}