.page-about {
  --about-measure: 40em;
  --about-ink-soft: rgba(27, 79, 114, 0.7);
  background: var(--lx-paper);
  color: var(--lx-text);
  font-family: var(--lx-font-body);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 44px) 0 clamp(34px, 6vw, 72px);
  background:
    radial-gradient(120% 100% at 88% -20%, var(--lx-orange-soft) 0%, rgba(255, 231, 220, 0) 60%),
    linear-gradient(180deg, var(--lx-paper) 0%, var(--lx-sand) 140%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 1px dashed var(--lx-line);
  opacity: 0.7;
  pointer-events: none;
}

.page-about .about-hero__eyebrow {
  margin: 20px 0 0;
  color: var(--lx-orange-deep);
}

.page-about .about-hero__title {
  font-family: var(--lx-font-head);
  font-weight: 800;
  font-size: clamp(34px, 6.4vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--lx-ink);
  margin: 14px 0 0;
}

.page-about .about-hero__mark {
  position: relative;
  color: var(--lx-orange-deep);
  white-space: nowrap;
}

.page-about .about-hero__mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 0.16em;
  border-radius: 999px;
  background: var(--lx-yellow);
  opacity: 0.6;
  z-index: -1;
}

.page-about .about-hero__lead {
  max-width: 34em;
  margin: 20px 0 0;
  font-size: 17px;
  line-height: 1.9;
  color: var(--lx-text);
}

.page-about .about-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
}

.page-about .about-hero__chip {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--lx-line);
  background: rgba(253, 246, 236, 0.75);
  font-family: var(--lx-font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--lx-blue);
}

.page-about .about-hero__chip b {
  font-family: var(--lx-font-head);
  font-weight: 800;
  font-size: 16px;
  color: var(--lx-orange-deep);
}

/* ---------- 布局 ---------- */
.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 56px);
  padding-top: clamp(30px, 5vw, 56px);
  padding-bottom: clamp(52px, 9vw, 104px);
}

/* ---------- 章节索引 ---------- */
.page-about .about-index__title {
  margin: 0 0 12px;
  font-family: var(--lx-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--about-ink-soft);
}

.page-about .about-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .about-index__list::-webkit-scrollbar {
  display: none;
}

.page-about .about-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px 7px 11px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--lx-font-head);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--lx-blue);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  background: var(--lx-sand);
  border-color: var(--lx-line-soft);
  color: var(--lx-ink);
  outline: none;
  box-shadow: 0 0 0 2px var(--lx-orange-soft);
}

.page-about .about-index__num {
  font-family: var(--lx-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--lx-orange-deep);
}

/* ---------- 正文 ---------- */
.page-about .about-body {
  display: flex;
  flex-direction: column;
  gap: clamp(46px, 7vw, 84px);
  min-width: 0;
}

.page-about .about-chapter {
  scroll-margin-top: 108px;
  min-width: 0;
}

.page-about .about-body .lx-eyebrow {
  margin: 0;
  color: var(--lx-teal);
}

.page-about .about-chapter h2 {
  font-family: var(--lx-font-head);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--lx-ink);
  margin: 10px 0 0;
}

.page-about .about-body p {
  max-width: 38em;
  margin: 16px 0 0;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--lx-text);
}

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

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--lx-radius-md);
  object-fit: cover;
}

.page-about .about-figure .lx-figure__caption {
  margin-top: 10px;
  font-family: var(--lx-font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--about-ink-soft);
}

/* ---------- 六类场景 ---------- */
.page-about .about-scenes {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--lx-line-soft);
}

.page-about .about-scenes__item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 16px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--lx-line-soft);
}

.page-about .about-scenes__name {
  font-family: var(--lx-font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--lx-ink);
}

.page-about .about-scenes__count {
  font-family: var(--lx-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--lx-orange-deep);
  white-space: nowrap;
}

.page-about .about-scenes__desc {
  grid-column: 1 / -1;
  max-width: 34em;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--lx-text);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}

.page-about .about-timeline__curve {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 52px;
  pointer-events: none;
  opacity: 0.85;
}

.page-about .about-timeline__curve path {
  fill: none;
  stroke: var(--lx-yellow);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 2 9;
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 30px 68px;
}

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

.page-about .about-timeline__num {
  position: absolute;
  left: 0;
  top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 30px;
  border-radius: 999px;
  background: var(--lx-paper);
  font-family: var(--lx-font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--lx-orange-deep);
}

.page-about .about-timeline__body h3 {
  font-family: var(--lx-font-head);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.45;
  color: var(--lx-ink);
  margin: 2px 0 0;
}

.page-about .about-body .about-timeline__body p {
  max-width: 32em;
  margin: 8px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
}

/* ---------- 团队 ---------- */
.page-about .about-team-block {
  margin-top: 26px;
  padding: clamp(18px, 3.5vw, 34px);
  border-radius: var(--lx-radius);
  background: var(--lx-sand);
}

.page-about .about-filter {
  margin-bottom: 20px;
}

.page-about .about-team {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-about .about-team__card {
  padding: 16px 18px 18px;
  border-radius: var(--lx-radius-md);
  background: var(--lx-paper);
  border-left: 3px solid var(--lx-orange);
}

.page-about .about-team__role {
  margin: 0;
  font-family: var(--lx-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lx-teal);
}

.page-about .about-team__card h3 {
  font-family: var(--lx-font-head);
  font-weight: 700;
  font-size: 16.5px;
  color: var(--lx-ink);
  margin: 7px 0 0;
}

.page-about .about-body .about-team__card p {
  max-width: none;
  margin: 7px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--lx-text);
}

.page-about .about-team-block .lx-filter__empty {
  margin-top: 16px;
  font-family: var(--lx-font-body);
  font-size: 14px;
  color: var(--about-ink-soft);
}

/* ---------- 服务原则 ---------- */
.page-about .about-principles {
  margin-top: 26px;
  padding: clamp(22px, 4vw, 42px);
  border-radius: var(--lx-radius);
  background: var(--lx-ink);
  color: var(--lx-paper);
}

.page-about .about-principles__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-about .about-body .about-principle__num {
  margin: 0;
  font-family: var(--lx-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--lx-yellow);
}

.page-about .about-principle h3 {
  font-family: var(--lx-font-head);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  color: #ffffff;
  margin: 10px 0 0;
}

.page-about .about-body .about-principle .about-principle__text {
  max-width: none;
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(253, 246, 236, 0.82);
}

/* ---------- 协作 ---------- */
.page-about .about-collab {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--lx-line-soft);
}

.page-about .about-collab__item {
  padding: 18px 0;
  border-bottom: 1px solid var(--lx-line-soft);
}

.page-about .about-collab__item h3 {
  font-family: var(--lx-font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--lx-ink);
  margin: 0;
}

.page-about .about-body .about-collab__item p {
  max-width: 34em;
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.85;
}

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

.page-about .about-contact__title {
  max-width: none;
  margin: 0;
  font-family: var(--lx-font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--lx-ink);
}

.page-about .about-contact__rows {
  margin-top: 16px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-about .about-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--lx-line);
}

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

.page-about .about-contact__label {
  font-family: var(--lx-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--about-ink-soft);
}

.page-about .about-contact__value {
  font-family: var(--lx-font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--lx-blue);
  word-break: break-word;
}

.page-about .about-contact .lx-copy {
  justify-self: start;
}

.page-about .about-body .about-contact__note {
  max-width: 32em;
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--about-ink-soft);
}

/* ---------- 继续了解 ---------- */
.page-about .about-next {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-about .about-next__link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 20px 22px;
  border-radius: var(--lx-radius-md);
  background: var(--lx-sand);
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  background: var(--lx-orange-soft);
  transform: translateY(-2px);
  outline: none;
  box-shadow: 0 0 0 2px var(--lx-orange);
}

.page-about .about-next__kicker {
  font-family: var(--lx-font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--lx-blue);
}

.page-about .about-next__desc {
  font-family: var(--lx-font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--lx-text);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-about .about-team {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-about .about-contact__row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 12px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-about .about-scenes__item {
    grid-template-columns: 148px 72px minmax(0, 1fr);
    gap: 18px;
  }

  .page-about .about-scenes__desc {
    grid-column: 3;
  }

  .page-about .about-principles__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
  }

  .page-about .about-collab__item {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-about .about-body .about-collab__item p {
    margin-top: 2px;
  }

  .page-about .about-timeline__item {
    padding-left: 84px;
  }

  .page-about .about-timeline__curve {
    width: 64px;
  }

  .page-about .about-timeline__num {
    width: 54px;
  }
}

@media (min-width: 960px) {
  .page-about .about-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: clamp(40px, 6vw, 84px);
  }

  .page-about .about-index {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-about .about-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-about .about-index__link {
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 13px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about .about-next__link {
    transition: background-color 0.15s ease;
  }

  .page-about .about-next__link:hover,
  .page-about .about-next__link:focus-visible {
    transform: none;
  }
}
<<<END>>>