.page-about {
  --about-rule: 1px solid var(--hairline);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.55;
  overflow-x: hidden;
}

.page-about .about-wrap {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-about .about-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-about h2 {
  margin: 0 0 16px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(23px, 4.6vw, 34px);
  line-height: 1.24;
  letter-spacing: -0.01em;
}

.page-about h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.35;
}

.page-about p {
  margin: 0 0 14px;
  font-size: 15px;
  color: var(--mist);
}

.page-about a {
  color: inherit;
}

.page-about [id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  padding-top: calc(var(--header-h) + 44px);
  padding-bottom: 36px;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    118deg,
    rgba(242, 169, 59, 0.075) 0 2px,
    transparent 2px 28px
  );
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 68%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 68%);
}

.page-about .about-hero__grid {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-about .about-hero__title {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(29px, 7.2vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.015em;
}

.page-about .about-hero__lead {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 15px;
  color: var(--mist);
}

.page-about .about-hero__points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-hero__points li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--paper);
}

.page-about .about-hero__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--signal);
}

.page-about .about-hero__mark {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--hairline);
}

.page-about .about-hero__figure {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(72px, 21vw, 138px);
  line-height: 0.82;
  letter-spacing: -0.04em;
  color: var(--amber);
}

.page-about .about-hero__figure-note {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-about .about-jump {
  margin-top: 38px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-about .about-jump__link {
  flex: 0 0 auto;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 15px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about .about-jump__link:hover,
.page-about .about-jump__link[aria-current="true"],
.page-about .about-jump__link[aria-current="location"] {
  color: var(--ink);
  background: var(--amber);
  border-color: var(--amber);
}

.page-about .about-jump__link:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

/* ---------- 通用分区 ---------- */
.page-about .about-section {
  padding-block: 52px;
}

.page-about .about-head {
  max-width: 62ch;
  margin-bottom: 6px;
}

.page-about .about-head p {
  margin-bottom: 0;
}

/* ---------- 01 品牌方向 ---------- */
.page-about .about-split {
  display: grid;
  gap: 18px;
}

.page-about .about-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 38px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--amber);
}

.page-about .about-rail-label {
  display: block;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-about .about-tags {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-tags li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hairline-soft);
  font-size: 14px;
  color: var(--paper);
}

.page-about .about-tags a {
  color: var(--amber-bright);
  text-underline-offset: 3px;
}

.page-about .about-inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
}

/* ---------- 02 流程 ---------- */
.page-about .flow {
  display: grid;
  gap: 22px;
  margin-top: 28px;
}

.page-about .flow__rail {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--hairline-soft);
}

.page-about .flow__rail-item {
  flex: 0 0 auto;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px 0 0;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about .flow__rail-no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}

.page-about .flow__rail-item:focus-visible {
  outline: none;
  border-radius: var(--radius-sm);
  box-shadow: var(--focus-ring);
}

.page-about .flow__body {
  display: grid;
  gap: 24px;
}

.page-about .flow__step {
  padding: 18px 0 20px;
  border-top: 1px solid var(--hairline);
}

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

.page-about .flow__num {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fault);
}

.page-about .flow__step p:last-child {
  margin-bottom: 0;
}

/* ---------- 图片 ---------- */
.page-about .about-figure {
  margin: 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--hairline);
  background: var(--tiger-black);
  object-fit: cover;
}

.page-about .about-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-serif);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--mist);
}

/* ---------- 03 团队 ---------- */
.page-about .about-figure--wide {
  margin-top: 24px;
}

.page-about .team-grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-about .team-card {
  padding: 22px 20px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: var(--glass);
  backdrop-filter: blur(6px);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-about .team-card__tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-about .team-card p {
  font-size: 14px;
}

.page-about .team-card__more {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--hairline);
  color: var(--mist);
  opacity: 0.72;
  transition: opacity 0.25s var(--ease), color 0.25s var(--ease);
}

.page-about .team-card:hover,
.page-about .team-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--amber);
  background: var(--glass-strong);
}

.page-about .team-card:hover .team-card__more,
.page-about .team-card:focus-visible .team-card__more {
  opacity: 1;
  color: var(--paper);
}

.page-about .team-card:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.page-about .about-stats {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hairline);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-about .stat {
  display: grid;
  gap: 4px;
  padding: 20px 18px;
  background: var(--tiger-black);
  transition: background 0.25s var(--ease);
}

.page-about .stat:hover,
.page-about .stat:focus-visible {
  outline: none;
  background: #1E252A;
  box-shadow: inset 0 0 0 2px var(--signal);
}

.page-about .stat__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber);
}

.page-about .stat__plus {
  color: var(--signal);
}

.page-about .stat__unit {
  font-size: 13px;
  color: var(--paper);
}

.page-about .stat__note {
  font-size: 12px;
  color: var(--mist);
}

/* ---------- 04 服务场景 ---------- */
.page-about .coverage {
  display: grid;
  gap: 28px;
}

.page-about .coverage__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-about .coverage__list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--hairline);
}

.page-about .coverage__list li:last-child {
  border-bottom: 1px solid var(--hairline);
}

.page-about .coverage__no {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
}

.page-about .coverage__list strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 16px;
  color: var(--paper);
}

.page-about .coverage__list p {
  margin: 0;
  font-size: 14px;
}

.page-about .about-figure--tall img {
  aspect-ratio: 14 / 9;
}

/* ---------- 05 合作 ---------- */
.page-about .about-section--partners {
  padding-block: 52px;
  background: var(--paper);
  color: var(--ink);
}

.page-about .about-section--partners .about-kicker {
  color: #8A5A12;
}

.page-about .about-section--partners h2 {
  color: var(--ink);
}

.page-about .about-section--partners h3 {
  color: var(--ink);
}

.page-about .about-section--partners p {
  color: #4A4636;
}

.page-about .partners__head {
  max-width: 60ch;
}

.page-about .partners__head p {
  margin-bottom: 0;
}

.page-about .partners__types {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .partners__types li {
  padding: 20px 18px;
  border: 1px solid rgba(11, 13, 14, 0.14);
  border-radius: var(--radius-md);
  background: #FFFDF8;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about .partners__types li:hover {
  transform: translateY(-2px);
  border-color: var(--amber);
}

.page-about .partners__no {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: #8A5A12;
}

.page-about .partners__types p {
  margin: 0;
  font-size: 14px;
}

.page-about .partners__steps {
  margin-top: 26px;
  padding: 24px 20px;
  border-radius: var(--radius-md);
  background: var(--ink);
  color: var(--paper);
}

.page-about .partners__steps .partners__steps-title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 16px;
  color: var(--paper);
}

.page-about .partners__steps ol {
  list-style: none;
  margin: 16px 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .partners__steps li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 10px;
  border-top: 1px solid var(--hairline);
  font-size: 13px;
  color: var(--paper);
}

.page-about .partners__steps li span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-about .partners__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-section--partners .btn--ghost {
  color: var(--ink);
  border-color: rgba(11, 13, 14, 0.3);
}

.page-about .about-section--partners .btn--ghost:hover {
  border-color: var(--ink);
  background: rgba(11, 13, 14, 0.07);
}

/* ---------- 页尾同页目录 ---------- */
.page-about .about-shortcut {
  padding-block: 28px 96px;
  border-top: 1px solid var(--hairline);
  background: var(--tiger-black);
}

.page-about .about-shortcut__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-about .about-shortcut__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-shortcut__nav a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 15px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about .about-shortcut__nav a:hover {
  color: var(--paper);
  border-color: var(--amber);
}

.page-about .about-shortcut__nav a:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-about .partners__types {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .partners__steps ol {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
  }

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

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-top: calc(var(--header-h) + 92px);
    padding-bottom: 68px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: end;
    gap: 60px;
    margin-top: 34px;
  }

  .page-about .about-jump {
    margin-top: 52px;
  }

  .page-about .about-section,
  .page-about .about-section--partners {
    padding-block: 88px;
  }

  .page-about .about-split {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 56px;
  }

  .page-about .about-split__rail {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    align-self: start;
  }

  .page-about .flow {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: 56px;
    margin-top: 36px;
  }

  .page-about .flow__rail {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    border-bottom: 0;
    border-left: 1px solid var(--hairline);
    position: sticky;
    top: calc(var(--header-h) + 32px);
    align-self: start;
  }

  .page-about .flow__rail-item {
    margin-left: -1px;
    padding: 12px 0 12px 18px;
    border-left: 2px solid transparent;
  }

  .page-about .flow__rail-item:hover,
  .page-about .flow__rail-item[aria-current="true"],
  .page-about .flow__rail-item[aria-current="location"] {
    color: var(--paper);
    border-left-color: var(--amber);
  }

  .page-about .coverage {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-figure--tall {
    margin-top: 8px;
  }

  .page-about .team-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
    margin-top: 32px;
  }

  .page-about .team-card:nth-child(2) {
    margin-top: 30px;
  }

  .page-about .team-card:nth-child(3) {
    margin-top: 60px;
  }

  .page-about .about-stats {
    margin-top: 52px;
  }

  .page-about .about-shortcut {
    padding-block: 34px 60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-jump__link,
  .page-about .team-card,
  .page-about .team-card__more,
  .page-about .stat,
  .page-about .partners__types li,
  .page-about .flow__rail-item {
    transition: none;
  }

  .page-about .team-card:hover,
  .page-about .team-card:focus-visible,
  .page-about .partners__types li:hover {
    transform: none;
  }
}
<<<END>>>