.page-about {
  --about-space: clamp(64px, 8.5vw, 116px);
  --about-gap: clamp(22px, 3.4vw, 48px);
  background: var(--lx-cream);
  color: var(--lx-ink);
  font-family: var(--lx-font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: calc(var(--lx-header-h) + clamp(24px, 4vw, 54px)) 0 clamp(56px, 8vw, 104px);
  background:
    radial-gradient(120% 82% at 92% -6%, rgba(217, 237, 242, 0.92), rgba(217, 237, 242, 0) 58%),
    radial-gradient(88% 72% at -6% 102%, rgba(221, 232, 216, 0.86), rgba(221, 232, 216, 0) 62%),
    linear-gradient(180deg, #FFFDF7 0%, #F7F1E4 100%);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: auto -12% -34% auto;
  width: min(540px, 62vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 42% 42%, rgba(195, 90, 46, 0.16), rgba(195, 90, 46, 0) 64%);
  pointer-events: none;
}

.page-about .about-hero .lx-container {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__grid {
  display: grid;
  gap: var(--about-gap);
  margin-top: clamp(18px, 3vw, 34px);
}

.page-about .about-hero__title {
  margin: 14px 0 0;
  font-family: var(--lx-font-display);
  font-weight: 900;
  font-size: clamp(34px, 5.2vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--lx-deep);
}

.page-about .about-hero__lead {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: clamp(16px, 1.6vw, 18.5px);
  line-height: 1.9;
  color: var(--lx-gray);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-about .about-hero__stack {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-about .about-hero__stack-card {
  background: var(--lx-paper);
  border: 1px solid var(--lx-line-soft);
  border-radius: var(--lx-radius-lg);
  padding: 22px 24px;
  box-shadow: var(--lx-shadow-card);
}

.page-about .about-hero__stack-card p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--lx-gray);
}

.page-about .about-hero__year {
  display: block;
  font-family: var(--lx-font-mono);
  font-size: clamp(40px, 5.6vw, 62px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--lx-brick);
}

.page-about .about-hero__stack-card--num strong {
  display: block;
  font-family: var(--lx-font-display);
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 900;
  line-height: 1.1;
  color: var(--lx-deep);
}

.page-about .about-hero__stack-card--num span {
  display: block;
  margin-top: 6px;
  font-family: var(--lx-font-ui);
  font-size: 14px;
  color: var(--lx-gray);
}

.page-about .about-hero__stack-card--tag {
  background: var(--lx-blue-soft);
  border-color: transparent;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .about-hero__stack-card--tag span {
  font-family: var(--lx-font-ui);
  font-size: 14px;
  font-weight: 600;
  color: var(--lx-blue);
  background: var(--lx-paper);
  border-radius: 999px;
  padding: 6px 14px;
}

/* ---------- 章节通用 ---------- */
.page-about .about-sec {
  position: relative;
  padding: var(--about-space) 0;
}

.page-about .about-sec__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(14px, 2vw, 28px);
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-about .about-sec__index {
  flex: none;
  font-family: var(--lx-font-mono);
  font-size: clamp(46px, 6.4vw, 92px);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.04em;
  color: rgba(11, 49, 70, 0.14);
}

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

.page-about .about-sec__headtext .lx-section__title {
  margin: 6px 0 0;
  font-family: var(--lx-font-display);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--lx-deep);
}

.page-about .about-sec__headtext .lx-section__note {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--lx-gray);
  max-width: 40em;
}

/* ---------- 01 品牌起点 ---------- */
.page-about .about-origin {
  background: var(--lx-cream);
}

.page-about .about-origin__grid {
  display: grid;
  gap: var(--about-gap);
}

.page-about .about-origin__figure {
  margin: 0;
  padding: 12px;
  background: var(--lx-paper);
  border-radius: var(--lx-radius-lg);
  box-shadow: var(--lx-shadow-card);
}

.page-about .about-origin__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: calc(var(--lx-radius-lg) - 8px);
}

.page-about .about-origin__figure figcaption {
  margin-top: 12px;
  font-family: var(--lx-font-ui);
  font-size: 13px;
  line-height: 1.65;
  color: var(--lx-gray);
}

.page-about .about-origin__body p {
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--lx-ink);
}

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

.page-about .about-origin__lines {
  list-style: none;
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--lx-line);
  border-radius: var(--lx-radius);
  overflow: hidden;
}

.page-about .about-origin__lines > li {
  background: var(--lx-paper);
  padding: 22px 24px;
}

.page-about .about-origin__lines h3 {
  margin: 0 0 8px;
  font-family: var(--lx-font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--lx-blue);
}

.page-about .about-origin__lines p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--lx-gray);
}

/* ---------- 02 时间轴 ---------- */
.page-about .about-timeline {
  background: linear-gradient(180deg, rgba(217, 237, 242, 0.34) 0%, rgba(247, 241, 228, 0) 46%);
}

.page-about .about-timeline__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(26px, 3.4vw, 40px);
}

.page-about .about-timeline__jump a {
  font-family: var(--lx-font-ui);
  font-size: 14px;
  line-height: 1;
  text-decoration: none;
  color: var(--lx-blue);
  background: var(--lx-paper);
  border: 1px solid var(--lx-line);
  border-radius: 999px;
  padding: 9px 16px;
  transition: background 0.22s var(--lx-ease), color 0.22s var(--lx-ease), border-color 0.22s var(--lx-ease);
}

.page-about .about-timeline__jump a:hover,
.page-about .about-timeline__jump a:focus-visible {
  background: var(--lx-blue);
  border-color: var(--lx-blue);
  color: var(--lx-paper);
}

.page-about .about-timeline__layout {
  display: grid;
  gap: var(--about-gap);
}

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

.page-about .about-timeline__list::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--lx-blue) 0%, var(--lx-bamboo) 62%, var(--lx-brick) 100%);
  opacity: 0.32;
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 clamp(28px, 4vw, 44px) 42px;
  scroll-margin-top: calc(var(--lx-header-h) + 28px);
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--lx-paper);
  border: 2px solid var(--lx-blue);
  box-shadow: 0 0 0 4px var(--lx-cream);
}

.page-about .about-timeline__item:nth-child(4)::before {
  border-color: var(--lx-bamboo);
}

.page-about .about-timeline__item:nth-child(5)::before {
  border-color: var(--lx-brick);
}

.page-about .about-timeline__mark {
  display: block;
  font-family: var(--lx-font-mono);
  font-size: clamp(30px, 3.8vw, 42px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--lx-brick-deep);
}

.page-about .about-timeline__body h3 {
  margin: 10px 0 8px;
  font-family: var(--lx-font-display);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--lx-deep);
}

.page-about .about-timeline__body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--lx-gray);
}

.page-about .about-timeline__figure {
  margin: 0;
  padding: 12px;
  background: var(--lx-paper);
  border-radius: var(--lx-radius-lg);
  box-shadow: var(--lx-shadow-card);
}

.page-about .about-timeline__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border-radius: calc(var(--lx-radius-lg) - 8px);
}

.page-about .about-timeline__figure figcaption {
  margin-top: 12px;
  font-family: var(--lx-font-ui);
  font-size: 13px;
  line-height: 1.65;
  color: var(--lx-gray);
}

/* ---------- 03 方法 ---------- */
.page-about .about-method {
  background: var(--lx-paper);
}

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

.page-about .about-method__item {
  background: var(--lx-paper);
  border: 1px solid var(--lx-line);
  border-radius: var(--lx-radius);
  box-shadow: var(--lx-shadow-card);
  overflow: hidden;
}

.page-about .about-method__item[open] {
  border-color: rgba(20, 92, 120, 0.34);
  background: #FFFEFB;
}

.page-about .about-method__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
  font-family: var(--lx-font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--lx-deep);
}

.page-about .about-method__summary::-webkit-details-marker {
  display: none;
}

.page-about .about-method__summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--lx-font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--lx-brick);
  transition: transform 0.25s var(--lx-ease);
}

.page-about .about-method__item[open] .about-method__summary::after {
  transform: rotate(45deg);
}

.page-about .about-method__summary:hover {
  color: var(--lx-blue);
}

.page-about .about-method__body {
  padding: 0 22px 22px;
}

.page-about .about-method__body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--lx-gray);
}

/* ---------- 04 团队 ---------- */
.page-about .about-team {
  background: var(--lx-cream);
}

.page-about .about-team__grid {
  display: grid;
  gap: clamp(24px, 3.6vw, 48px);
}

.page-about .about-team__chart-title,
.page-about .about-team__net-title {
  margin: 0 0 20px;
  font-family: var(--lx-font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--lx-deep);
}

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

.page-about .about-team__bar {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px 12px;
}

.page-about .about-team__bar-label {
  font-family: var(--lx-font-ui);
  font-size: 15px;
  font-weight: 600;
  color: var(--lx-deep);
}

.page-about .about-team__bar-num {
  font-family: var(--lx-font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--lx-brick-deep);
}

.page-about .about-team__bar-track {
  grid-column: 1 / -1;
  display: block;
  height: 14px;
  border-radius: 999px;
  background: var(--lx-blue-soft);
  overflow: hidden;
}

.page-about .about-team__bar-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--lx-blue);
  transition: background 0.24s var(--lx-ease);
}

.page-about .about-team__bar:nth-child(1) .about-team__bar-fill {
  width: 69%;
}

.page-about .about-team__bar:nth-child(2) .about-team__bar-fill {
  width: 23%;
  background: var(--lx-bamboo);
}

.page-about .about-team__bar:nth-child(3) .about-team__bar-fill {
  width: 8%;
  min-width: 26px;
  background: var(--lx-brick);
}

.page-about .about-team__bar:hover .about-team__bar-fill {
  background: var(--lx-brick);
}

.page-about .about-team__bar-note {
  grid-column: 1 / -1;
  margin: 2px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--lx-gray);
}

.page-about .about-team__net {
  background: var(--lx-bamboo-soft);
  border-radius: var(--lx-radius-lg);
  padding: clamp(22px, 3vw, 34px);
}

.page-about .about-team__net p {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: #2F4430;
}

.page-about .about-team__partners {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-team__partners li {
  flex: 1 1 130px;
  background: var(--lx-paper);
  border-radius: var(--lx-radius);
  padding: 16px 18px;
}

.page-about .about-team__partners strong {
  display: block;
  font-family: var(--lx-font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--lx-bamboo);
}

.page-about .about-team__partners span {
  display: block;
  margin-top: 6px;
  font-family: var(--lx-font-ui);
  font-size: 14px;
  color: var(--lx-gray);
}

/* ---------- 05 流程与保障 ---------- */
.page-about .about-trust {
  background: var(--lx-paper);
}

.page-about .about-trust__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-trust__item {
  background: var(--lx-cream);
  border-left: 4px solid var(--lx-brick);
  border-radius: var(--lx-radius);
  padding: 24px 24px 26px;
}

.page-about .about-trust__item:nth-child(2) {
  border-left-color: var(--lx-blue);
}

.page-about .about-trust__item:nth-child(3) {
  border-left-color: var(--lx-bamboo);
}

.page-about .about-trust__item h3 {
  margin: 0 0 10px;
  font-family: var(--lx-font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--lx-deep);
}

.page-about .about-trust__item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--lx-gray);
}

/* ---------- 06 覆盖 ---------- */
.page-about .about-reach {
  background: linear-gradient(180deg, rgba(221, 232, 216, 0.4) 0%, rgba(247, 241, 228, 0) 62%);
}

.page-about .about-reach__grid {
  display: grid;
  gap: var(--about-gap);
}

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

.page-about .about-reach__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  border-radius: var(--lx-radius-lg);
  box-shadow: var(--lx-shadow-lift);
}

.page-about .about-reach__figure figcaption {
  margin-top: 12px;
  font-family: var(--lx-font-ui);
  font-size: 13px;
  line-height: 1.65;
  color: var(--lx-gray);
}

.page-about .about-reach__stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 16px;
}

.page-about .about-reach__stat strong {
  font-family: var(--lx-font-mono);
  font-size: clamp(40px, 5.4vw, 60px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--lx-blue);
}

.page-about .about-reach__stat span {
  font-family: var(--lx-font-ui);
  font-size: 15px;
  color: var(--lx-gray);
}

.page-about .about-reach__body > p:not(.about-reach__stat) {
  margin: 0 0 22px;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--lx-ink);
}

.page-about .about-reach__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--lx-line);
  border-radius: var(--lx-radius);
  overflow: hidden;
}

.page-about .about-reach__list li {
  background: var(--lx-paper);
  padding: 18px 20px;
}

.page-about .about-reach__list h3 {
  margin: 0 0 6px;
  font-family: var(--lx-font-ui);
  font-size: 16px;
  font-weight: 600;
  color: var(--lx-blue);
}

.page-about .about-reach__list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--lx-gray);
}

/* ---------- 07 下一步 ---------- */
.page-about .about-next {
  background: var(--lx-paper);
}

.page-about .about-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
  counter-reset: about-next;
}

.page-about .about-next__list li {
  position: relative;
  padding: 0 0 0 56px;
}

.page-about .about-next__list li::before {
  counter-increment: about-next;
  content: counter(about-next, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: -2px;
  font-family: var(--lx-font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: rgba(195, 90, 46, 0.6);
}

.page-about .about-next__list h3 {
  margin: 0 0 8px;
  font-family: var(--lx-font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--lx-deep);
}

.page-about .about-next__list p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--lx-gray);
}

/* ---------- 结尾 CTA ---------- */
.page-about .about-cta {
  padding: clamp(56px, 7.5vw, 96px) 0;
  background: linear-gradient(135deg, #0B3146 0%, #103F55 58%, #145C78 100%);
  color: var(--lx-paper);
}

.page-about .about-cta__title {
  margin: 0;
  font-family: var(--lx-font-display);
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--lx-paper);
}

.page-about .about-cta__text {
  margin: 16px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255, 253, 247, 0.8);
}

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

.page-about .about-cta .lx-btn--primary {
  background: var(--lx-paper);
  border-color: var(--lx-paper);
  color: var(--lx-deep);
}

.page-about .about-cta .lx-btn--ghost {
  border-color: rgba(255, 253, 247, 0.48);
  color: var(--lx-paper);
  background: transparent;
}

.page-about .about-cta .lx-btn--quiet {
  color: rgba(255, 253, 247, 0.82);
}

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

  .page-about .about-method__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

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

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

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
    gap: clamp(32px, 4.4vw, 64px);
  }

  .page-about .about-hero__stack {
    padding-top: 6px;
  }

  .page-about .about-hero__stack-card--year {
    margin-right: 22px;
    transform: rotate(-1.1deg);
  }

  .page-about .about-hero__stack-card--num {
    margin-left: 30px;
  }

  .page-about .about-hero__stack-card--tag {
    margin-right: 12px;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    align-items: start;
    gap: clamp(30px, 4vw, 60px);
  }

  .page-about .about-origin__figure {
    transform: rotate(-0.7deg);
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: clamp(30px, 4vw, 56px);
  }

  .page-about .about-reach__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(30px, 4vw, 56px);
  }
}

@media (min-width: 1000px) {
  .page-about .about-timeline__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
    align-items: start;
    gap: clamp(32px, 4vw, 64px);
  }

  .page-about .about-timeline__figure {
    position: sticky;
    top: calc(var(--lx-header-h) + 26px);
  }

  .page-about .about-timeline__list::before {
    left: 11px;
  }

  .page-about .about-timeline__item::before {
    left: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-timeline__jump a,
  .page-about .about-method__summary::after,
  .page-about .about-team__bar-fill {
    transition: none;
  }
}
<<<END>>>