.page-about {
  --about-edge: rgba(214, 168, 75, 0.28);
  --about-index-w: 212px;
  --about-soft: rgba(183, 198, 189, 0.16);
  padding-bottom: clamp(40px, 7vw, 90px);
}

.page-about .about-crumbs {
  padding-top: clamp(14px, 3vw, 24px);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist-300);
}

.page-about .about-crumbs a {
  color: var(--mist-300);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-about .about-crumbs a:hover,
.page-about .about-crumbs a:focus-visible {
  color: var(--gold-300);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 42px) 0 clamp(32px, 6vw, 62px);
}

.page-about .about-hero__wash {
  position: absolute;
  inset: -22% -14% auto -14%;
  height: 136%;
  clip-path: polygon(0 0, 100% 0, 100% 56%, 0 98%);
  background:
    radial-gradient(58% 70% at 80% 16%, rgba(63, 242, 208, 0.16), transparent 66%),
    radial-gradient(70% 82% at 10% 6%, rgba(214, 168, 75, 0.22), transparent 62%),
    linear-gradient(135deg, rgba(20, 80, 59, 0.85), rgba(5, 22, 17, 0.18) 62%);
  pointer-events: none;
}

.page-about .about-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: end;
  min-width: 0;
}

.page-about .about-hero__text {
  min-width: 0;
}

.page-about .about-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 18ch;
}

.page-about .about-hero .lede {
  margin-top: 18px;
  max-width: 58ch;
  color: var(--bone-100);
}

.page-about .about-hero .btnrow {
  margin-top: 26px;
}

.page-about .about-hero__plate {
  position: relative;
  justify-self: start;
  padding: clamp(14px, 2vw, 20px);
  border: 1px solid var(--about-edge);
  background: linear-gradient(160deg, rgba(10, 42, 31, 0.92), rgba(5, 22, 17, 0.72));
  box-shadow: 10px 12px 0 rgba(5, 22, 17, 0.6), inset 0 0 0 1px rgba(245, 240, 228, 0.05);
  transform: rotate(-1.2deg);
}

.page-about .about-hero__plate-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--gold-500);
}

.page-about .about-hero__num {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: clamp(62px, 11vw, 128px);
  line-height: 0.9;
  letter-spacing: -0.05em;
  background: linear-gradient(165deg, var(--gold-300), var(--gold-500) 52%, var(--amber-600));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-about .about-hero__plate-note {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist-300);
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1fr) 280px;
  }
  .page-about .about-hero__plate {
    justify-self: end;
  }
}

/* ---------- 数字条 ---------- */
.page-about .about-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(26px, 5vw, 44px);
  background: var(--about-soft);
  border-top: 1px solid rgba(214, 168, 75, 0.55);
}

.page-about .about-stats__item {
  padding: 14px 12px 16px;
  background: rgba(5, 22, 17, 0.78);
}

.page-about .about-stats__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 28px);
  letter-spacing: -0.02em;
  color: var(--cyan-400);
}

.page-about .about-stats__label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist-300);
}

@media (min-width: 720px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 主体：索引 + 章节流 ---------- */
.page-about .about-body {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
  margin-top: clamp(32px, 6vw, 64px);
  min-width: 0;
}

.page-about .about-index {
  min-width: 0;
}

.page-about .about-index__cap {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--gold-500);
}

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

.page-about .about-index__link {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 10px;
  border: 1px solid transparent;
  color: var(--mist-300);
  text-decoration: none;
  font-size: 13px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  color: var(--bone-100);
  border-color: rgba(214, 168, 75, 0.55);
  background: rgba(20, 80, 59, 0.38);
}

.page-about .about-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold-500);
}

.page-about .about-flow {
  min-width: 0;
}

@media (min-width: 1000px) {
  .page-about .about-body {
    grid-template-columns: var(--about-index-w) minmax(0, 1fr);
    align-items: start;
  }
  .page-about .about-index {
    position: sticky;
    top: 104px;
  }
  .page-about .about-index__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }
}

/* ---------- 章节 ---------- */
.page-about .about-sec {
  scroll-margin-top: 96px;
}

.page-about .about-sec + .about-sec {
  margin-top: clamp(34px, 5vw, 58px);
  padding-top: clamp(26px, 4vw, 44px);
  border-top: var(--hair);
}

.page-about .about-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-about .about-sec__no {
  flex: none;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold-500);
  border: 1px solid rgba(214, 168, 75, 0.42);
}

.page-about .about-sec h2 {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.page-about .about-sec p {
  max-width: 62ch;
  color: var(--bone-100);
}

.page-about .about-sec p + p {
  margin-top: 12px;
}

.page-about .about-sec p a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-sec p a:hover,
.page-about .about-sec p a:focus-visible {
  color: var(--gold-300);
}

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

/* ---------- 图片 ---------- */
.page-about .about-figure {
  position: relative;
  margin: 24px 0 0;
  padding: 10px;
  border: 1px solid var(--about-edge);
  background: var(--pitch-900);
  box-shadow: 10px 10px 0 rgba(20, 80, 59, 0.26);
}

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

.page-about .about-figure--badge {
  max-width: 420px;
}

.page-about .about-figure__label {
  position: absolute;
  left: 20px;
  bottom: 20px;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-300);
  background: rgba(5, 22, 17, 0.86);
  border: 1px solid rgba(214, 168, 75, 0.42);
}

/* ---------- 版本路线 ---------- */
.page-about .about-route {
  display: block;
  width: 100%;
  max-width: 620px;
  height: auto;
  margin: 6px 0 20px;
}

.page-about .about-tl {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
  display: grid;
  gap: 20px;
}

.page-about .about-tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold-500), rgba(63, 242, 208, 0.5), transparent);
}

.page-about .about-tl__item {
  position: relative;
}

.page-about .about-tl__item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 12px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--gold-500);
  background: var(--ink-950);
  box-shadow: 0 0 0 4px rgba(214, 168, 75, 0.12);
}

.page-about .about-tl__card {
  padding: 14px 16px 16px;
  border: 1px solid rgba(20, 80, 59, 0.95);
  border-left: 3px solid var(--gold-500);
  background: linear-gradient(180deg, rgba(20, 80, 59, 0.3), rgba(5, 22, 17, 0.55));
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .about-tl__card:hover {
  border-color: rgba(63, 242, 208, 0.5);
  background: linear-gradient(180deg, rgba(20, 80, 59, 0.46), rgba(5, 22, 17, 0.6));
}

.page-about .about-tl__date {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
}

.page-about .about-tl__title {
  margin: 6px 0 0;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.page-about .about-tl__text {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist-300);
  max-width: 54ch;
}

/* ---------- 内容流程 ---------- */
.page-about .about-steps {
  list-style: none;
  counter-reset: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-steps__item {
  position: relative;
  padding: 16px 14px 16px 46px;
  border: 1px solid rgba(20, 80, 59, 0.95);
  background: rgba(10, 42, 31, 0.55);
}

.page-about .about-steps__no {
  position: absolute;
  left: 14px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
}

.page-about .about-steps__item strong {
  display: block;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--bone-100);
}

.page-about .about-steps__item p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-300);
  max-width: 46ch;
}

@media (min-width: 760px) {
  .page-about .about-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 团队岗位 ---------- */
.page-about .about-roles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.page-about .about-roles__card {
  padding: 14px;
  border: 1px solid rgba(20, 80, 59, 0.95);
  background: linear-gradient(180deg, rgba(20, 80, 59, 0.34), rgba(5, 22, 17, 0.62));
  outline: none;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-about .about-roles__card:hover,
.page-about .about-roles__card:focus-visible {
  border-color: rgba(214, 168, 75, 0.7);
  transform: translateY(-2px);
}

.page-about .about-roles__card:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan-400);
}

.page-about .about-roles__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--gold-300);
}

.page-about .about-roles__name {
  margin: 8px 0 0;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--bone-100);
}

.page-about .about-roles__desc {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.62;
  color: var(--mist-300);
}

/* ---------- 运营信息面板 ---------- */
.page-about .about-ops {
  margin-top: 24px;
  padding: clamp(16px, 3vw, 26px);
  border: 1px solid rgba(214, 168, 75, 0.26);
  background: var(--pitch-900);
  box-shadow: 8px 8px 0 rgba(214, 168, 75, 0.12), 16px 16px 0 rgba(20, 80, 59, 0.3);
}

.page-about .about-ops__title {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--gold-500);
  font-family: var(--font-mono);
}

.page-about .about-ops__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.page-about .about-ops__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan-400);
}

.page-about .about-ops__v {
  display: block;
  margin-top: 5px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--bone-100);
  word-break: break-word;
}

.page-about .about-addr {
  margin-top: 5px;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--bone-100);
}

/* ---------- 结尾 ---------- */
.page-about .about-cta {
  position: relative;
  overflow: hidden;
  margin-top: clamp(36px, 6vw, 70px);
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid rgba(214, 168, 75, 0.3);
  background: linear-gradient(120deg, rgba(20, 80, 59, 0.82), rgba(5, 22, 17, 0.92) 66%);
}

.page-about .about-cta::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(63, 242, 208, 0.22), transparent 70%);
  pointer-events: none;
}

.page-about .about-cta__title {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: clamp(22px, 3.4vw, 34px);
  letter-spacing: -0.02em;
}

.page-about .about-cta__text {
  position: relative;
  z-index: 1;
  margin-top: 12px;
  max-width: 56ch;
  color: var(--bone-100);
}

.page-about .about-cta .btnrow {
  position: relative;
  z-index: 1;
  margin-top: 22px;
}

/* ---------- 焦点与动效 ---------- */
.page-about a:focus-visible,
.page-about button:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .page-about .about-roles__card:hover,
  .page-about .about-roles__card:focus-visible {
    transform: none;
  }
}
<<<END>>>