.page-about {
  --about-cut: 18px;
  --about-panel: rgba(11, 44, 71, 0.62);
  background-color: var(--deep);
  color: var(--mist);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ivory);
}

.page-about h2 {
  font-size: clamp(1.45rem, 4.6vw, 2.25rem);
  text-wrap: balance;
}

.page-about h3 {
  font-size: 1.05rem;
  letter-spacing: -0.015em;
}

.page-about p {
  margin: 0;
}

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

.page-about a:hover,
.page-about a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .btn:hover,
.page-about .btn:focus-visible {
  text-decoration: none;
}

.page-about .page-about__crumbs {
  padding-top: clamp(14px, 3vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 5vw, 40px) 0 clamp(40px, 7vw, 78px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(70, 242, 210, 0.12), transparent 60%),
    radial-gradient(70% 60% at 0% 100%, rgba(242, 184, 75, 0.09), transparent 68%),
    var(--deep);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--scan);
  pointer-events: none;
  opacity: 0.85;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 5vw, 46px);
  align-items: start;
}

.page-about .about-hero__title {
  margin-top: clamp(12px, 2.4vw, 18px);
  font-size: clamp(2rem, 8.2vw, 3.5rem);
  color: var(--ivory);
  text-wrap: balance;
}

.page-about .about-hero__title em {
  font-style: normal;
  color: var(--cyan);
}

.page-about .about-hero__lede {
  margin-top: 18px;
  max-width: 46ch;
  font-size: clamp(0.94rem, 2.6vw, 1.06rem);
  line-height: 1.8;
  color: var(--mist);
}

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

.page-about .about-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  color: var(--stone);
}

.page-about .about-hero__meta .data-num {
  color: var(--amber);
  margin-right: 2px;
}

/* ---------- 权益卡 ---------- */
.page-about .about-pass {
  position: relative;
  padding: clamp(20px, 4vw, 28px);
  background: linear-gradient(165deg, var(--night), rgba(6, 24, 38, 0.94));
  border: 1px solid var(--line-strong);
  clip-path: polygon(
    0 0,
    calc(100% - var(--about-cut)) 0,
    100% var(--about-cut),
    100% 100%,
    var(--about-cut) 100%,
    0 calc(100% - var(--about-cut))
  );
  box-shadow: 0 26px 54px -32px rgba(0, 0, 0, 0.95);
}

.page-about .about-pass__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-about .about-pass__stamp {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--deep);
  background: var(--cyan);
  padding: 3px 9px;
  border-radius: 2px;
}

.page-about .about-pass__code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-about .about-pass__title {
  margin-top: 16px;
  font-size: clamp(1.25rem, 3.6vw, 1.55rem);
}

.page-about .about-pass__sub {
  margin-top: 8px;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--stone);
}

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

.page-about .about-pass__row {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
}

.page-about .about-pass__row:last-child {
  border-bottom: 0;
}

.page-about .about-pass__num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-about .about-pass__name {
  font-size: 0.94rem;
  color: var(--ivory);
  letter-spacing: 0.01em;
}

.page-about .about-pass__foot {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 通用小标题 ---------- */
.page-about .about-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(22px, 4vw, 34px);
  max-width: 64ch;
}

.page-about .about-head p {
  color: var(--stone);
  font-size: 0.94rem;
  line-height: 1.8;
}

/* ---------- 品牌历程 ---------- */
.page-about .about-origin {
  background: var(--deep);
}

.page-about .about-origin__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-about .about-origin__intro {
  display: grid;
  gap: 14px;
}

.page-about .about-origin__intro p {
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--mist);
  max-width: 56ch;
}

.page-about .about-origin__figure {
  margin-top: 10px;
}

.page-about .media-frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--night);
}

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

.page-about .media-frame .media-frame__caption {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--stone);
  border-top: 1px solid var(--line);
}

.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 4px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(142, 163, 174, 0.22) 62%, transparent);
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 24px 34px;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  width: 10px;
  height: 10px;
  transform: rotate(45deg);
  background: var(--deep);
  border: 1px solid var(--cyan);
}

.page-about .about-timeline__year {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-about .about-timeline__text {
  margin-top: 7px;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--mist);
  max-width: 52ch;
}

/* ---------- 权益矩阵 ---------- */
.page-about .about-benefits {
  background: linear-gradient(180deg, rgba(11, 44, 71, 0.42), var(--deep) 72%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-benefits__layout {
  display: grid;
  gap: 16px;
  align-items: start;
}

.page-about .about-matrix {
  display: grid;
  gap: 12px;
}

.page-about .about-quad {
  padding: clamp(18px, 3.4vw, 24px);
  background: var(--about-panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--line-strong);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.page-about .about-quad:nth-child(1) {
  border-top-color: var(--cyan);
}

.page-about .about-quad:nth-child(2) {
  border-top-color: var(--amber);
}

.page-about .about-quad:nth-child(3) {
  border-top-color: var(--moss);
}

.page-about .about-quad:nth-child(4) {
  border-top-color: var(--clay);
}

.page-about .about-quad:hover,
.page-about .about-quad:focus-within {
  background: rgba(11, 44, 71, 0.86);
}

.page-about .about-quad__index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--stone);
}

.page-about .about-quad__title {
  margin-top: 8px;
  font-size: 1.12rem;
}

.page-about .about-quad__desc {
  margin-top: 10px;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--stone);
}

.page-about .about-quad__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--line);
  display: grid;
  gap: 7px;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .about-quad__list li {
  position: relative;
  padding-left: 15px;
}

.page-about .about-quad__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

.page-about .about-benefits__figure {
  margin: 0;
  background: var(--night);
  border: 1px solid var(--line);
}

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

.page-about .about-benefits__figure .media-frame__caption {
  display: block;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--stone);
  border-top: 1px solid var(--line);
}

/* ---------- 使用流程 ---------- */
.page-about .about-flow {
  background: var(--deep);
}

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

.page-about .about-step {
  position: relative;
  padding: clamp(18px, 3.2vw, 24px);
  background: linear-gradient(155deg, rgba(11, 44, 71, 0.92), rgba(6, 24, 38, 0.95));
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-about .about-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  letter-spacing: 0.06em;
  color: rgba(70, 242, 210, 0.5);
}

.page-about .about-step__title {
  margin-top: 10px;
  font-size: 1.02rem;
}

.page-about .about-step__text {
  margin-top: 9px;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--stone);
}

/* ---------- 团队与覆盖 ---------- */
.page-about .about-team {
  background: linear-gradient(180deg, var(--deep), rgba(11, 44, 71, 0.5));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-figures {
  list-style: none;
  margin: 0 0 clamp(24px, 4vw, 34px);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-figure {
  display: grid;
  gap: 4px;
  padding: clamp(14px, 3vw, 22px);
  background: var(--deep);
}

.page-about .about-figure__num {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 4.4vw, 1.9rem);
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-about .about-figure__label {
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-about .about-team__grid {
  display: grid;
  gap: clamp(20px, 4vw, 36px);
  align-items: center;
}

.page-about .about-team__text {
  display: grid;
  gap: 13px;
}

.page-about .about-team__text p {
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--mist);
  max-width: 58ch;
}

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

/* ---------- 服务承诺 ---------- */
.page-about .about-promise {
  background: var(--deep);
}

.page-about .about-promise__grid {
  display: grid;
  gap: 12px;
}

.page-about .about-promise__item {
  padding: clamp(16px, 3vw, 22px);
  background: var(--about-panel);
  border-left: 2px solid var(--amber);
  display: grid;
  gap: 9px;
  align-content: start;
}

.page-about .about-promise__value {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.01em;
  line-height: 1.6;
  color: var(--ivory);
  word-break: break-word;
}

.page-about .about-promise__note {
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-about .about-promise__tail {
  margin-top: clamp(22px, 4vw, 32px);
  display: grid;
  gap: 16px;
}

.page-about .about-promise__hint {
  font-size: 0.86rem;
  line-height: 1.85;
  color: var(--stone);
  max-width: 70ch;
}

.page-about .breathing-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  padding: 14px 18px;
  border-left: 2px solid var(--cyan);
  background: rgba(11, 44, 71, 0.7);
  color: var(--ivory);
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.page-about .breathing-strip:hover,
.page-about .breathing-strip:focus-visible {
  text-decoration: none;
  background: rgba(11, 44, 71, 0.95);
}

.page-about .breathing-strip .breathing-strip__title {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ivory);
}

.page-about .breathing-strip .breathing-strip__meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--amber);
  white-space: nowrap;
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  }

  .page-about .about-benefits__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.62fr);
  }

  .page-about .about-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

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

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

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

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

@media (min-width: 1180px) {
  .page-about .about-hero__title {
    font-size: 3.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-quad,
  .page-about .breathing-strip {
    transition: none;
  }
}
<<<END>>>