.page-about {
  background: var(--gs-ink);
  color: var(--gs-paper);
}

.page-about .about-crumb {
  padding-block: 14px 4px;
}

.page-about .about-crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: .02em;
  color: rgba(244, 235, 221, .62);
}

.page-about .about-crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--gs-gold-deep);
}

.page-about .about-crumb a {
  color: var(--gs-gold-lift);
  text-decoration: none;
  border-bottom: 2px solid var(--gs-line-gold);
  padding-bottom: 1px;
}

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

/* ---------- 首屏拼贴 ---------- */

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 5vw, 48px) 0 clamp(36px, 7vw, 76px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -18%;
  width: min(680px, 92vw);
  height: min(680px, 92vw);
  background:
    repeating-linear-gradient(115deg, rgba(217, 164, 65, .16) 0 2px, transparent 2px 22px),
    radial-gradient(circle at 40% 40%, rgba(217, 164, 65, .24), transparent 64%);
  transform: rotate(10deg);
  pointer-events: none;
  opacity: .85;
}

.page-about .about-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 5vw, 44px);
}

.page-about .about-hero__main h1 {
  margin: 12px 0 0;
  font-family: var(--gs-font-head);
  font-size: clamp(32px, 7.4vw, 54px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--gs-paper);
}

.page-about .about-hero__lead {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 235, 221, .82);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

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

.page-about .about-hero__figure .gs-media__frame {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--gs-radius);
  border: 1px solid var(--gs-line-gold);
  box-shadow: var(--gs-shadow);
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-hero__mark {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid var(--gs-line-gold);
  background: rgba(11, 13, 16, .62);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--gs-gold-lift);
}

.page-about .about-hero__figure .gs-media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(244, 235, 221, .6);
}

/* ---------- 长文与目录 ---------- */

.page-about .about-doc {
  position: relative;
  border-top: 1px solid var(--gs-line);
}

.page-about .about-doc__title {
  margin: 0 0 18px;
  font-family: var(--gs-font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--gs-gold);
}

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

.page-about .about-rail {
  align-self: start;
  padding: 16px 16px 18px;
  border-radius: var(--gs-radius-sm);
  border: 1px solid var(--gs-line);
  background: linear-gradient(160deg, rgba(217, 164, 65, .12), rgba(53, 58, 64, .28));
}

.page-about .about-rail__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .22em;
  color: rgba(244, 235, 221, .56);
}

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

.page-about .about-rail__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 0;
  font-size: 14px;
  color: rgba(244, 235, 221, .8);
  text-decoration: none;
  border-bottom: 1px solid var(--gs-line);
}

.page-about .about-rail__list li:last-child a {
  border-bottom: 0;
}

.page-about .about-rail__list a:hover,
.page-about .about-rail__list a:focus-visible {
  color: var(--gs-gold-lift);
}

.page-about .about-rail__num {
  font-family: var(--gs-font-num);
  font-size: 15px;
  font-weight: 800;
  color: var(--gs-gold);
  letter-spacing: .04em;
}

.page-about .about-rail__note {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--gs-moss);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(244, 235, 221, .66);
}

.page-about .about-rail__note .gs-link {
  margin-left: 2px;
}

/* ---------- 章节 ---------- */

.page-about .about-chapter {
  padding-block: clamp(26px, 5vw, 48px);
  border-top: 1px solid var(--gs-line);
}

.page-about .about-chapter:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-chapter h2 {
  margin: 8px 0 14px;
  font-family: var(--gs-font-head);
  font-size: clamp(24px, 5vw, 34px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--gs-paper);
}

.page-about .about-chapter h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--gs-paper);
}

.page-about .about-chapter p {
  margin: 0 0 12px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 235, 221, .84);
}

.page-about .about-chapter__lead {
  font-size: 17px;
  color: rgba(244, 235, 221, .9);
}

.page-about .about-figure {
  margin: 20px 0 24px;
}

.page-about .about-figure .gs-media__frame {
  overflow: hidden;
  border-radius: var(--gs-radius);
  border: 1px solid var(--gs-line);
}

.page-about .about-figure--timeline .gs-media__frame {
  aspect-ratio: 3 / 2;
  border-color: var(--gs-line-gold);
}

.page-about .about-figure--studio .gs-media__frame {
  aspect-ratio: 10 / 7;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-figure .gs-media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(244, 235, 221, .58);
}

/* ---------- 时间线 ---------- */

.page-about .about-timeline {
  margin: 24px 0 0;
  padding: 0 0 0 24px;
  list-style: none;
  border-left: 2px solid rgba(217, 164, 65, .34);
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: 24px;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gs-gold);
  box-shadow: 0 0 0 4px rgba(217, 164, 65, .16);
}

.page-about .about-timeline__item--moss::before {
  background: var(--gs-moss);
  box-shadow: 0 0 0 4px rgba(95, 125, 90, .22);
}

.page-about .about-timeline__item--clay::before {
  background: var(--gs-clay);
  box-shadow: 0 0 0 4px rgba(185, 107, 78, .22);
}

.page-about .about-timeline__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.page-about .about-timeline__year {
  font-family: var(--gs-font-num);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: .01em;
  line-height: 1;
  color: var(--gs-gold-lift);
}

/* ---------- 内容线标签页 ---------- */

.page-about .about-tabs {
  margin-top: 20px;
}

.page-about .about-tabs .gs-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gs-line);
}

.page-about .about-tabs .gs-tabs__btn {
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--gs-line-gold);
  background: rgba(53, 58, 64, .45);
  color: rgba(244, 235, 221, .82);
  font-family: var(--gs-font-head);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.page-about .about-tabs .gs-tabs__btn[aria-selected="true"] {
  background: var(--gs-gold);
  border-color: var(--gs-gold);
  color: #14100A;
}

.page-about .about-tabs .gs-tabs__btn:focus-visible {
  outline: 2px solid var(--gs-lime);
  outline-offset: 2px;
}

.page-about .about-tabs .gs-tabs__panel {
  padding-top: 18px;
}

.page-about .about-points {
  margin: 12px 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-about .about-points li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 235, 221, .78);
}

.page-about .about-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 10px;
  height: 2px;
  background: var(--gs-gold);
}

/* ---------- 团队 ---------- */

.page-about .about-team {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.page-about .about-team__card {
  padding: 18px;
  border-radius: var(--gs-radius-sm);
  border: 1px solid var(--gs-line);
  border-top: 3px solid var(--gs-gold);
  background: linear-gradient(180deg, rgba(53, 58, 64, .82), rgba(17, 22, 25, .92));
}

.page-about .about-team__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--gs-font-num);
  font-size: 40px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--gs-gold);
}

.page-about .about-team__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(244, 235, 221, .78);
}

.page-about .about-team__note {
  margin-top: 18px;
  max-width: 62ch;
}

/* ---------- 数据 ---------- */

.page-about .about-chapter--wide {
  padding-block: clamp(28px, 5vw, 50px);
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 20px;
}

.page-about .about-stat {
  padding: 14px 14px 16px;
  border-radius: var(--gs-radius-sm);
  border: 1px solid var(--gs-line-gold);
  background: linear-gradient(150deg, rgba(217, 164, 65, .14), rgba(11, 13, 16, .2));
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--gs-font-num);
  font-size: clamp(26px, 6vw, 38px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -.015em;
  color: var(--gs-gold-lift);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(244, 235, 221, .68);
}

.page-about .about-reach__note {
  margin-top: 18px;
  padding: 14px 16px;
  border-left: 3px solid var(--gs-moss);
  border-radius: 0 var(--gs-radius-sm) var(--gs-radius-sm) 0;
  background: rgba(95, 125, 90, .14);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 235, 221, .8);
  max-width: 62ch;
}

/* ---------- 阅读体验 ---------- */

.page-about .about-design {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-about .about-design__item {
  padding: 15px 16px 16px;
  border-left: 3px solid var(--gs-moss);
  border-radius: 0 var(--gs-radius-sm) var(--gs-radius-sm) 0;
  background: rgba(53, 58, 64, .5);
}

.page-about .about-design__item:nth-child(2) {
  border-left-color: var(--gs-lime);
  background: rgba(184, 255, 61, .07);
}

.page-about .about-design__item:nth-child(3) {
  border-left-color: var(--gs-clay);
  background: rgba(185, 107, 78, .1);
}

.page-about .about-design__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(244, 235, 221, .8);
  max-width: none;
}

/* ---------- 服务原则 ---------- */

.page-about .about-principles {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
  max-width: 64ch;
}

.page-about .about-principles li {
  position: relative;
  padding-left: 24px;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(244, 235, 221, .84);
}

.page-about .about-principles li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--gs-gold);
  font-weight: 700;
}

.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-about .about-cta__note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(244, 235, 221, .6);
  max-width: 58ch;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-about .about-team {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-about .about-design {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

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

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: 1.08fr .92fr;
    align-items: end;
  }

  .page-about .about-hero__lead {
    font-size: 17px;
  }

  .page-about .about-doc__grid {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(26px, 4vw, 56px);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 84px;
  }

  .page-about .about-figure {
    margin: 24px 0 28px;
  }

  .page-about .about-chapter--wide {
    padding-inline: 0;
  }

  .page-about .about-stats {
    gap: 14px;
  }
}

@media (min-width: 1140px) {
  .page-about .about-hero {
    padding-top: 26px;
  }

  .page-about .about-hero__figure .gs-media__frame {
    aspect-ratio: 14 / 11;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-hero::before {
    opacity: .5;
  }
}
<<<END>>>