/* ================= 页面：我们是谁 ================= */
.page-about {
  --about-index-w: 236px;
  background: var(--lr-void);
  color: var(--lr-ink);
  font-family: var(--lr-font-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  border-bottom: 1px solid var(--lr-line);
  background:
    radial-gradient(110% 130% at 6% -14%, rgba(176, 31, 27, .40) 0%, rgba(176, 31, 27, 0) 58%),
    radial-gradient(85% 120% at 98% 4%, rgba(58, 33, 73, .62) 0%, rgba(58, 33, 73, 0) 60%),
    var(--lr-void);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--lr-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--lr-line) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: .55;
  pointer-events: none;
}

.page-about .about-hero__crumbs {
  padding-top: 22px;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding-top: 32px;
  padding-bottom: 56px;
}

.page-about .about-hero__eyebrow {
  margin: 0;
  font-family: var(--lr-font-mono);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--lr-amber);
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-size: clamp(30px, 6vw, 54px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.025em;
  color: var(--lr-ink);
}

.page-about .about-hero__dek {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: 17px;
  color: var(--lr-mist);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-hero__board {
  position: relative;
  padding: 22px 20px 18px;
  border: 1px solid var(--lr-line-strong);
  border-radius: var(--lr-radius);
  background: linear-gradient(160deg, rgba(20, 24, 31, .96) 0%, rgba(10, 12, 15, .92) 100%);
}

.page-about .about-hero__board::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 64px;
  height: 3px;
  background: linear-gradient(90deg, var(--lr-flame), var(--lr-amber));
}

.page-about .about-hero__board-label {
  margin: 0;
  font-family: var(--lr-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--lr-mist);
  text-transform: uppercase;
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 16px;
  border: 1px solid var(--lr-line);
  border-radius: 4px;
  background: var(--lr-line);
  overflow: hidden;
}

.page-about .about-stats__cell {
  padding: 14px 14px 12px;
  background: var(--lr-slate);
}

.page-about .about-stats__key {
  margin: 0;
  font-family: var(--lr-font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--lr-mist);
}

.page-about .about-stats__val {
  margin: 8px 0 0;
  font-family: var(--lr-font-mono);
  font-size: 26px;
  font-weight: 500;
  line-height: 1;
  color: var(--lr-ink);
  font-variant-numeric: tabular-nums;
}

.page-about .about-stats__val span {
  margin-left: 4px;
  font-size: 12px;
  font-weight: 400;
  color: var(--lr-mist);
}

.page-about .about-hero__board-note {
  margin: 14px 0 0;
  font-family: var(--lr-font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--lr-mist);
}

/* ---------- 章节索引 + 正文 ---------- */
.page-about .about-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: 36px;
  padding-bottom: 80px;
}

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

.page-about .about-index__label {
  margin: 0 0 10px;
  font-family: var(--lr-font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--lr-mist);
  text-transform: uppercase;
}

.page-about .about-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 12px;
  list-style: none;
  overflow-x: auto;
  border-bottom: 1px solid var(--lr-line);
  -webkit-overflow-scrolling: touch;
}

.page-about .about-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 7px 13px;
  border: 1px solid var(--lr-line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--lr-mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s var(--lr-ease), border-color .2s var(--lr-ease), background-color .2s var(--lr-ease);
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  color: var(--lr-ink);
  border-color: var(--lr-line-strong);
  background: var(--lr-gun);
}

.page-about .about-index__num {
  font-family: var(--lr-font-mono);
  font-size: 11px;
  color: var(--lr-amber);
}

/* ---------- 章节骨架 ---------- */
.page-about .about-sec {
  padding: 44px 0 52px;
  border-top: 1px solid var(--lr-line);
  scroll-margin-top: 104px;
}

.page-about .about-sec:first-of-type {
  padding-top: 4px;
  border-top: 0;
}

.page-about .about-sec__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.page-about .about-sec__num {
  flex: 0 0 auto;
  padding: 3px 8px;
  border-radius: 3px;
  background: var(--lr-ember);
  color: var(--lr-ink);
  font-family: var(--lr-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  line-height: 1.5;
}

.page-about .about-sec__title {
  margin: 0;
  font-size: clamp(21px, 3.6vw, 28px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--lr-ink);
}

.page-about .about-sec__lead {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: 16px;
  color: var(--lr-mist);
}

.page-about .about-sec__body p {
  margin: 0 0 1.05em;
  max-width: 66ch;
  color: var(--lr-ink);
}

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

.page-about .about-sec > p {
  max-width: 66ch;
  color: var(--lr-ink);
}

/* ---------- 图片容器 ---------- */
.page-about .lr-figure {
  margin: 0 0 28px;
}

.page-about .lr-figure__frame {
  border: 1px solid var(--lr-line);
  border-radius: var(--lr-radius);
  overflow: hidden;
  background: linear-gradient(150deg, var(--lr-gun), var(--lr-void));
}

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

.page-about .lr-figure__cap {
  margin: 10px 0 0;
  font-family: var(--lr-font-mono);
  font-size: 12px;
  color: var(--lr-mist);
}

/* ---------- 02 四条业务线 ---------- */
.page-about .about-ops-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

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

.page-about .about-ops__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--lr-line);
}

.page-about .about-ops__item:first-child {
  border-top: 1px solid var(--lr-line);
}

.page-about .about-ops__idx {
  padding-top: 4px;
  font-family: var(--lr-font-mono);
  font-size: 12px;
  color: var(--lr-mist);
  transition: color .2s var(--lr-ease);
}

.page-about .about-ops__item:hover .about-ops__idx {
  color: var(--lr-amber);
}

.page-about .about-ops__name {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--lr-ink);
}

.page-about .about-ops__desc {
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--lr-mist);
}

.page-about .about-ops__figure {
  margin-bottom: 0;
}

/* ---------- 03 发展时间轴 ---------- */
.page-about .about-road {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-road::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 26px;
  width: 1px;
  background: linear-gradient(180deg, var(--lr-flame), rgba(199, 205, 214, .18));
}

.page-about .about-road__item {
  position: relative;
  padding: 0 0 26px 28px;
}

.page-about .about-road__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--lr-void);
  border: 2px solid var(--lr-silver);
}

.page-about .about-road__item--now::before {
  border-color: var(--lr-flame);
  background: var(--lr-flame);
  box-shadow: 0 0 0 4px rgba(226, 74, 34, .18);
}

.page-about .about-road__time {
  margin: 0;
  font-family: var(--lr-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lr-amber);
}

.page-about .about-road__title {
  margin: 4px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--lr-ink);
}

.page-about .about-road__desc {
  margin: 6px 0 0;
  max-width: 60ch;
  font-size: 15px;
  color: var(--lr-mist);
}

/* ---------- 04 流程标签页 ---------- */
.page-about .about-flow-tabs {
  margin-top: 4px;
}

.page-about .lr-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--lr-line);
}

.page-about .lr-tab {
  padding: 9px 15px;
  border: 1px solid var(--lr-line);
  border-radius: 999px;
  background: transparent;
  color: var(--lr-mist);
  font-family: var(--lr-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  cursor: pointer;
  transition: color .2s var(--lr-ease), border-color .2s var(--lr-ease), background-color .2s var(--lr-ease);
}

.page-about .lr-tab:hover {
  color: var(--lr-ink);
  border-color: var(--lr-line-strong);
}

.page-about .lr-tab:focus-visible {
  outline: 2px solid var(--lr-cool);
  outline-offset: 2px;
}

.page-about .lr-tab[aria-selected="true"] {
  background: var(--lr-flame);
  border-color: var(--lr-flame);
  color: var(--lr-void);
}

.page-about .lr-tabpanel {
  margin-top: 22px;
  padding-left: 18px;
  border-left: 2px solid var(--lr-ember);
}

.page-about .about-step__time {
  margin: 0 0 10px;
  font-family: var(--lr-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--lr-amber);
}

.page-about .about-step__text {
  margin: 0;
  max-width: 62ch;
  color: var(--lr-ink);
}

/* ---------- 05 覆盖范围 ---------- */
.page-about .about-reach {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 26px;
}

.page-about .about-reach__cell {
  padding: 18px 16px;
  border: 1px solid rgba(61, 155, 255, .24);
  border-radius: var(--lr-radius);
  background: linear-gradient(165deg, rgba(18, 63, 68, .78), rgba(10, 12, 15, .92));
}

.page-about .about-reach__val {
  margin: 0;
  font-family: var(--lr-font-mono);
  font-size: clamp(21px, 4vw, 27px);
  font-weight: 500;
  line-height: 1.1;
  color: var(--lr-ink);
  font-variant-numeric: tabular-nums;
}

.page-about .about-reach__val span {
  margin-left: 3px;
  font-size: 12px;
  font-weight: 400;
  color: var(--lr-mist);
}

.page-about .about-reach__key {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--lr-mist);
}

/* ---------- 06 团队分工 ---------- */
.page-about .about-team {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-team__row {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr) 52px;
  align-items: center;
  gap: 12px;
}

.page-about .about-team__name {
  font-size: 14px;
  color: var(--lr-ink);
  white-space: nowrap;
}

.page-about .about-team__track {
  display: block;
  height: 10px;
  border: 1px solid var(--lr-line);
  border-radius: 999px;
  background: var(--lr-gun);
  overflow: hidden;
}

.page-about .about-team__fill {
  display: block;
  width: var(--fill, 0%);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--lr-ember), var(--lr-amber));
  transition: width .6s var(--lr-ease);
}

.page-about .about-team__num {
  font-family: var(--lr-font-mono);
  font-size: 13px;
  color: var(--lr-mist);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.page-about .about-team__total {
  margin: 20px 0 0;
  font-family: var(--lr-font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--lr-mist);
}

/* ---------- 07 合作与认可 ---------- */
.page-about .about-partners {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-about .about-partners__text p {
  margin: 0;
  max-width: 62ch;
  color: var(--lr-ink);
}

.page-about .about-partners__list {
  display: grid;
  gap: 13px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-partners__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  color: var(--lr-mist);
}

.page-about .about-partners__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 9px;
  height: 2px;
  background: var(--lr-amber);
}

.page-about .about-partners__figure {
  margin-bottom: 0;
}

/* ---------- 08 收束 ---------- */
.page-about .about-outro {
  padding: 28px 22px;
  border: 1px solid rgba(199, 205, 214, .22);
  border-radius: var(--lr-radius);
  background:
    radial-gradient(120% 150% at 0% 0%, rgba(74, 26, 36, .92) 0%, rgba(74, 26, 36, .28) 62%),
    var(--lr-slate);
}

.page-about .about-outro__text {
  margin: 0;
  max-width: 64ch;
  color: var(--lr-ink);
}

.page-about .about-outro__contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--lr-line);
}

.page-about .about-outro__label {
  margin: 0;
  font-family: var(--lr-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--lr-mist);
}

.page-about .about-outro__value {
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--lr-ink);
  word-break: break-word;
}

.page-about .about-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

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

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

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 64px;
    align-items: end;
    padding-top: 56px;
    padding-bottom: 80px;
  }

  .page-about .about-hero__board {
    padding: 26px 24px 22px;
  }

  .page-about .about-ops-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    gap: 44px;
    align-items: start;
  }

  .page-about .about-ops__figure {
    position: sticky;
    top: 108px;
  }

  .page-about .about-partners {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    gap: 44px;
    align-items: center;
  }

  .page-about .about-outro {
    padding: 36px 34px;
  }

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

@media (min-width: 1024px) {
  .page-about .about-body {
    grid-template-columns: var(--about-index-w) minmax(0, 1fr);
    gap: 64px;
    padding-top: 56px;
    padding-bottom: 120px;
  }

  .page-about .about-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-about .about-index__list {
    flex-direction: column;
    gap: 0;
    padding-bottom: 0;
    border-bottom: 0;
    overflow: visible;
  }

  .page-about .about-index__link {
    width: 100%;
    justify-content: flex-start;
    padding: 9px 10px 9px 14px;
    border: 0;
    border-left: 2px solid var(--lr-line);
    border-radius: 0;
    white-space: normal;
  }

  .page-about .about-index__link:hover,
  .page-about .about-index__link:focus-visible {
    background: transparent;
    border-left-color: var(--lr-flame);
    color: var(--lr-ink);
  }

  .page-about .about-sec {
    padding: 56px 0 64px;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .about-team__fill,
  .page-about .about-index__link,
  .page-about .lr-tab,
  .page-about .about-ops__idx {
    transition: none;
  }
}
<<<END>>>

.page-about {
  --fill: currentColor;
}