.page-about {
  --about-soft-line: rgba(11, 43, 36, 0.12);
  --about-soft-line-inverse: rgba(185, 201, 190, 0.22);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  color: var(--paper);
  background:
    radial-gradient(110% 80% at 88% -10%, rgba(215, 255, 63, 0.16), transparent 62%),
    linear-gradient(168deg, var(--ink) 0%, var(--arena) 58%, #0d332b 100%);
  padding: clamp(22px, 4vw, 40px) 0 clamp(52px, 8vw, 96px);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: repeating-linear-gradient(90deg, var(--lime) 0 22px, transparent 22px 44px);
  opacity: 0.45;
}

.page-about .about-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--mist);
  margin-bottom: clamp(24px, 4vw, 44px);
}

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

.page-about .about-hero .breadcrumb a:hover {
  text-decoration: underline;
}

.page-about .about-hero .breadcrumb span[aria-hidden="true"] {
  opacity: 0.5;
}

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

.page-about h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 5.2vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: 0.005em;
  margin: 12px 0 18px;
  color: var(--paper);
}

.page-about .about-hero__intro {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(0.98rem, 1.1vw, 1.06rem);
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-hero__board {
  align-self: start;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--about-soft-line-inverse);
  border-radius: var(--radius-lg);
  background: rgba(6, 26, 22, 0.62);
  box-shadow: inset 0 1px 0 rgba(215, 255, 63, 0.18);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-about .about-board__cap {
  margin: 0 0 6px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--celadon);
}

.page-about .about-board__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--about-soft-line-inverse);
}

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

.page-about .about-board__num {
  font-family: var(--font-numeric);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1;
  color: var(--lime);
}

.page-about .about-board__label {
  font-size: 0.82rem;
  line-height: 1.5;
  text-align: right;
  color: var(--mist);
}

/* ---------- 通用标题 ---------- */
.page-about .about-origin h2,
.page-about .about-timeline h2,
.page-about .about-paths-section h2,
.page-about .about-team h2,
.page-about .about-eco h2,
.page-about .about-pledge h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  line-height: 1.12;
  margin: 10px 0 18px;
}

.page-about figure {
  margin: 0;
}

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

.page-about figcaption {
  margin-top: 12px;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--muted-light);
}

/* ---------- 起点 ---------- */
.page-about .about-origin {
  background: var(--cream);
  color: var(--on-light);
}

.page-about .about-origin__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-about .about-origin__copy p {
  margin: 0 0 16px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted-light);
}

.page-about .about-origin__copy .about-origin__note {
  margin-top: 22px;
  padding-left: 16px;
  border-left: 3px solid var(--orange);
  font-size: 0.94rem;
  color: var(--on-light);
}

.page-about .about-origin__chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline {
  background: linear-gradient(180deg, var(--arena) 0%, var(--ink) 100%);
  color: var(--paper);
}

.page-about .about-timeline__sub {
  max-width: 58ch;
  margin: 0 0 clamp(24px, 4vw, 44px);
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-timeline__list {
  border-top: 1px solid var(--about-soft-line-inverse);
}

.page-about .about-timeline__item {
  display: grid;
  gap: 10px;
  padding: 22px 0;
  border-bottom: 1px solid var(--about-soft-line-inverse);
}

.page-about .about-timeline__year .num {
  display: inline-block;
  padding: 6px 22px 6px 12px;
  font-family: var(--font-numeric);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  line-height: 1.2;
  color: var(--ink);
  background: var(--lime);
  clip-path: polygon(0 0, 100% 0, calc(100% - 14px) 100%, 0 100%);
}

.page-about .about-timeline__trigger {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-about .about-timeline__trigger:focus-visible {
  outline: 2px solid var(--celadon);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.page-about .about-timeline__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--paper);
}

.page-about .about-timeline__icon {
  margin-left: auto;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--about-soft-line-inverse);
  border-radius: var(--radius-pill);
  font-family: var(--font-numeric);
  font-size: 1rem;
  line-height: 1;
  color: var(--lime);
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-about .about-timeline__trigger[aria-expanded="true"] .about-timeline__icon {
  transform: rotate(45deg);
  background: var(--lime-soft);
}

.page-about .about-timeline__sum {
  margin: 8px 0 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-timeline__panel {
  margin-top: 12px;
  padding: 14px 18px;
  border-left: 2px solid var(--lemon-dark);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(215, 255, 63, 0.06);
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-timeline__panel p {
  margin: 0;
}

/* ---------- 四类访客路径 ---------- */
.page-about .about-paths-section {
  background: var(--cream);
  color: var(--on-light);
}

.page-about .about-paths__lead {
  max-width: 60ch;
  margin: 0 0 clamp(24px, 4vw, 38px);
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--muted-light);
}

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

.page-about .about-path {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 16px;
  align-items: start;
  padding: 18px 20px;
  border: 1px solid var(--about-soft-line);
  border-left: 3px solid var(--mist);
  border-radius: var(--radius-card);
  background: var(--paper);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease),
    opacity 0.28s var(--ease);
}

.page-about .about-path--new { border-left-color: var(--orange); }
.page-about .about-path--old { border-left-color: var(--lime); }
.page-about .about-path--family { border-left-color: var(--celadon); }
.page-about .about-path--biz { border-left-color: var(--lemon-dark); }

.page-about .about-path__tag {
  align-self: start;
  white-space: nowrap;
}

.page-about .about-path__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.3;
  color: var(--on-light);
}

.page-about .about-path__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--muted-light);
}

.page-about .about-path__end {
  grid-column: 1 / -1;
  justify-self: start;
  font-family: var(--font-numeric);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--lemon-dark);
}

/* ---------- 团队与更新 ---------- */
.page-about .about-team {
  color: var(--paper);
  background:
    radial-gradient(100% 80% at 8% 0%, rgba(111, 227, 193, 0.1), transparent 60%),
    var(--arena);
}

.page-about .about-team__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-about .about-team__copy p {
  margin: 0 0 16px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-team__bars {
  list-style: none;
  display: grid;
  gap: 16px;
  margin: 26px 0 0;
  padding: 0;
}

.page-about .about-team__bar-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 0.86rem;
  color: var(--mist);
}

.page-about .about-team__bar-top .num {
  font-family: var(--font-numeric);
  font-size: 1rem;
  color: var(--lime);
}

.page-about .about-team__track {
  height: 8px;
  border-radius: var(--radius-pill);
  background: rgba(215, 255, 63, 0.1);
  overflow: hidden;
}

.page-about .about-team__fill {
  display: block;
  height: 100%;
  border-radius: inherit;
}

.page-about .about-team__fill--editor { width: 43.3%; background: var(--lime); }
.page-about .about-team__fill--data { width: 30%; background: var(--celadon); }
.page-about .about-team__fill--service { width: 16.7%; background: var(--orange); }
.page-about .about-team__fill--product { width: 10%; background: var(--lemon-dark); }

.page-about .about-team__side {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-about .about-team__side figcaption {
  color: var(--mist);
}

.page-about .about-team__cadence {
  padding: 20px 22px;
  border: 1px solid var(--about-soft-line-inverse);
  border-radius: var(--radius-card);
  background: rgba(6, 26, 22, 0.55);
}

.page-about .about-team__cadence h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-about .about-team__cadence ul {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .about-team__cadence .num {
  display: inline-block;
  min-width: 1.6em;
  font-family: var(--font-numeric);
  font-weight: 700;
  color: var(--paper);
}

/* ---------- 合作生态 ---------- */
.page-about .about-eco {
  background: var(--paper);
  color: var(--on-light);
}

.page-about .about-eco__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-about .about-eco__copy p {
  margin: 0 0 16px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted-light);
}

.page-about .about-eco__facts {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0;
  padding: 0;
}

.page-about .about-eco__facts li {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--cream);
}

.page-about .about-eco__facts .num {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-numeric);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1.1;
  color: var(--arena);
}

.page-about .about-eco__facts li span:last-child {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--muted-light);
}

/* ---------- 品牌承诺 ---------- */
.page-about .about-pledge {
  background: var(--ink);
  color: var(--paper);
}

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

.page-about .about-pledge__quote p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-pledge__quote h2 {
  color: var(--lime);
}

.page-about .about-pledge__list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  counter-reset: pledge;
}

.page-about .about-pledge__list li {
  position: relative;
  padding: 16px 18px 16px 54px;
  border: 1px solid var(--about-soft-line-inverse);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--mist);
  counter-increment: pledge;
}

.page-about .about-pledge__list li::before {
  content: counter(pledge, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 17px;
  font-family: var(--font-numeric);
  font-size: 0.85rem;
  color: var(--lime);
}

.page-about .about-pledge__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 42px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--about-soft-line-inverse);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-eco__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-about .about-path {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    padding: 20px 24px;
  }

  .page-about .about-path__end {
    grid-column: auto;
    justify-self: end;
    white-space: nowrap;
  }
}

@media (hover: hover) {
  .page-about .about-path-list:hover .about-path {
    opacity: 0.55;
  }

  .page-about .about-path-list .about-path:hover {
    opacity: 1;
    transform: translateX(6px);
    box-shadow: 0 18px 34px -22px rgba(11, 43, 36, 0.6);
  }
}

@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, 5vw, 72px);
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-about .about-eco__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }

  .page-about .about-pledge__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (min-width: 860px) {
  .page-about .about-timeline__item {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
    padding: 28px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-path,
  .page-about .about-timeline__icon {
    transition: none;
  }

  .page-about .about-path-list:hover .about-path {
    opacity: 1;
    transform: none;
  }
}
<<<END>>>