.page-about {
  background: var(--sand);
  color: var(--charcoal);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about .container {
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.page-about .about-crumb {
  background: var(--ink);
  padding: 16px 0 0;
}

.page-about .about-crumb .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0 0 16px;
  list-style: none;
  font-size: 13px;
  color: rgba(243, 235, 221, 0.62);
}

.page-about .about-crumb .breadcrumb__item a {
  color: var(--gold-text);
  text-decoration: none;
}

.page-about .about-crumb .breadcrumb__item a:hover,
.page-about .about-crumb .breadcrumb__item a:focus-visible {
  text-decoration: underline;
}

.page-about .about-crumb .breadcrumb__sep {
  color: rgba(217, 184, 130, 0.5);
}

/* 首屏 */
.page-about .about-hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 82% 8%, rgba(184, 137, 75, 0.28), transparent 62%),
    linear-gradient(160deg, var(--ink-2) 0%, var(--ink) 58%);
  color: var(--sand);
  padding: 36px 0 56px;
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217, 184, 130, 0.55), transparent);
}

.page-about .about-hero__grid {
  display: grid;
  gap: 34px;
}

.page-about .about-hero .eyebrow {
  color: var(--gold-text);
  letter-spacing: 0.22em;
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 8vw, 62px);
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-about .about-hero__intro {
  margin: 22px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(243, 235, 221, 0.86);
}

.page-about .about-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 34px;
  margin: 30px 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(217, 184, 130, 0.28);
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-stat__num {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--gold-text);
}

.page-about .about-stat__label {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(243, 235, 221, 0.66);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 0;
}

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

.page-about .about-hero__figure img,
.page-about .about-teams__figure img,
.page-about .about-review__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-about .about-hero__figure .media-frame {
  border: 1px solid rgba(217, 184, 130, 0.34);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-3);
}

.page-about .about-hero__figure img {
  aspect-ratio: 7 / 5;
}

.page-about .about-hero__caption {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(243, 235, 221, 0.58);
}

/* 时间轴 */
.page-about .about-timeline {
  background: var(--paper);
  padding: 54px 0 60px;
}

.page-about .about-split {
  display: grid;
  gap: 38px;
}

.page-about .about-timeline .section-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.4vw, 38px);
  line-height: 1.28;
  color: var(--ink);
}

.page-about .about-timeline__lead {
  margin: 16px 0 30px;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(28, 33, 30, 0.8);
}

.page-about .about-year {
  position: relative;
  margin: 0 0 8px 8px;
  padding: 0 0 10px 22px;
  border-left: 2px solid var(--line);
}

.page-about .about-year::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 20px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--copper);
  box-shadow: 0 0 0 5px var(--paper);
}

.page-about .about-year--now::before {
  background: var(--cinnabar);
}

.page-about .about-year > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  cursor: pointer;
  list-style: none;
  padding: 6px 0;
}

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

.page-about .about-year__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 9vw, 54px);
  line-height: 1;
  color: rgba(184, 137, 75, 0.55);
  letter-spacing: -0.02em;
}

.page-about .about-year--now .about-year__num {
  color: rgba(181, 70, 50, 0.62);
}

.page-about .about-year__name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .about-year__body {
  margin: 4px 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(28, 33, 30, 0.82);
}

/* 旁注卡 */
.page-about .about-aside {
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
  box-shadow: var(--shadow);
}

.page-about .about-aside__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .about-aside__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
  color: rgba(28, 33, 30, 0.78);
}

.page-about .about-aside__val {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink);
}

.page-about .about-aside__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--sage);
}

.page-about .about-aside__link {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

/* 团队 */
.page-about .about-teams {
  background: var(--sand);
  padding: 54px 0 60px;
}

.page-about .about-section-head {
  max-width: 62ch;
}

.page-about .about-section-head .section-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.4vw, 36px);
  line-height: 1.3;
  color: var(--ink);
}

.page-about .about-section-head__lead {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(28, 33, 30, 0.8);
}

.page-about .about-teams__grid {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}

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

.page-about .about-teams__figure img {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line);
}

.page-about .about-teams__figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--sage);
}

.page-about .about-team {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
}

.page-about .about-team__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--copper);
}

.page-about .about-team h3 {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--ink);
}

.page-about .about-team p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(28, 33, 30, 0.8);
}

/* 方法 */
.page-about .about-method {
  position: relative;
  background:
    radial-gradient(90% 70% at 12% 0%, rgba(31, 75, 60, 0.9), transparent 60%),
    var(--ink);
  color: var(--sand);
  padding: 56px 0 58px;
}

.page-about .about-section-head--dark .eyebrow {
  color: var(--gold-text);
}

.page-about .about-section-head--dark .section-title {
  color: var(--paper);
}

.page-about .about-section-head--dark .about-section-head__lead {
  color: rgba(243, 235, 221, 0.78);
}

.page-about .about-method__list {
  display: grid;
  gap: 16px;
  margin-top: 34px;
}

.page-about .about-method__item {
  padding: 20px 20px 22px;
  border: 1px solid rgba(217, 184, 130, 0.32);
  border-radius: var(--radius);
  background: rgba(15, 46, 37, 0.45);
}

.page-about .about-method__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.24em;
  color: var(--copper-light);
}

.page-about .about-method__item h3 {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  color: var(--gold-text);
}

.page-about .about-method__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(243, 235, 221, 0.82);
}

.page-about .about-method__foot {
  margin: 26px 0 0;
  font-size: 13.5px;
  color: rgba(243, 235, 221, 0.6);
}

.page-about .about-method__foot a {
  color: var(--gold-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(229, 196, 143, 0.5);
}

/* 覆盖 */
.page-about .about-coverage {
  background: var(--paper);
  padding: 54px 0 58px;
}

.page-about .about-coverage__grid {
  display: grid;
  gap: 30px;
}

.page-about .about-coverage .section-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.4vw, 36px);
  line-height: 1.3;
  color: var(--ink);
}

.page-about .about-coverage__lead {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(28, 33, 30, 0.8);
}

.page-about .about-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-table {
  width: 100%;
  min-width: 300px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-about .about-table caption {
  caption-side: top;
  text-align: left;
  padding-bottom: 12px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

.page-about .about-table th,
.page-about .about-table td {
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: baseline;
}

.page-about .about-table th {
  font-weight: 500;
  color: rgba(28, 33, 30, 0.78);
}

.page-about .about-table td {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--ink);
  text-align: right;
  white-space: nowrap;
}

/* 评审 */
.page-about .about-review {
  background: var(--sand);
  padding: 54px 0 60px;
}

.page-about .about-review__grid {
  display: grid;
  gap: 26px;
}

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

.page-about .about-review__figure img {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
}

.page-about .about-review__body .section-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.4vw, 34px);
  line-height: 1.3;
  color: var(--ink);
}

.page-about .about-review__body p {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(28, 33, 30, 0.82);
}

.page-about .about-review__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-review__list li {
  position: relative;
  padding: 12px 0 12px 20px;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(28, 33, 30, 0.82);
}

.page-about .about-review__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--copper);
}

.page-about .about-review__list strong {
  color: var(--ink);
}

/* 尾段行动 */
.page-about .about-cta {
  background: linear-gradient(135deg, var(--ink-2) 0%, var(--ink) 72%);
  color: var(--sand);
  padding: 48px 0 54px;
}

.page-about .about-cta__inner {
  display: grid;
  gap: 26px;
}

.page-about .about-cta__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.6vw, 34px);
  line-height: 1.3;
  color: var(--paper);
}

.page-about .about-cta__text p {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(243, 235, 221, 0.8);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-about .about-cta__back {
  font-size: 14px;
  color: var(--gold-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(229, 196, 143, 0.45);
  padding-bottom: 2px;
}

/* 平板与桌面 */
@media (min-width: 720px) {
  .page-about .about-hero {
    padding: 48px 0 68px;
  }

  .page-about .about-hero__stats {
    gap: 20px 44px;
  }

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

  .page-about .about-teams__figure {
    grid-column: 1 / -1;
  }

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

@media (min-width: 960px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 56px;
    align-items: center;
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 1.38fr) minmax(0, 0.62fr);
    gap: 58px;
    align-items: start;
  }

  .page-about .about-aside {
    position: sticky;
    top: 28px;
  }

  .page-about .about-coverage__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 52px;
    align-items: start;
  }

  .page-about .about-review__grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: 48px;
    align-items: center;
  }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: center;
  }
}
<<<PAGE_CSS_END>>>