.page-about {
  background: var(--rice);
  color: var(--ink);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding-top: calc(var(--topbar-h) + 20px);
  padding-bottom: 8px;
  background:
    radial-gradient(120% 90% at 92% -10%, rgba(140, 198, 63, 0.18), transparent 60%),
    radial-gradient(80% 70% at 0% 100%, rgba(75, 31, 111, 0.08), transparent 65%),
    var(--rice);
}

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

.page-about .about-hero__inner {
  display: grid;
  gap: 28px;
  padding-bottom: 36px;
}

.page-about .about-hero h1 {
  margin: 10px 0 18px;
}

.page-about .about-hero .lede {
  max-width: 54ch;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--rock);
}

.page-about .about-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-about .about-hero__stat-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 26px;
  line-height: 1;
  color: var(--purple);
}

.page-about .about-hero__stat-label {
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: #6b6459;
}

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

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

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-top: calc(var(--topbar-h) + 32px);
  }
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 48px;
    padding-bottom: 56px;
  }
}

/* ---------- 主体骨架 ---------- */
.page-about .about-body {
  padding-bottom: 60px;
}

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

.page-about .about-rail {
  margin-bottom: 10px;
  padding-top: 14px;
  border-top: 2px solid var(--ink);
}

.page-about .about-rail__title {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: #6b6459;
}

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

.page-about .about-rail__link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rock);
  transition: color 0.18s var(--ease);
}

.page-about .about-rail__link:hover {
  color: var(--moss);
}

.page-about .about-rail__link:focus-visible {
  outline: 2px solid var(--kiwi);
  outline-offset: 2px;
}

.page-about .about-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--moss);
}

@media (max-width: 1023px) {
  .page-about .about-rail__list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
    scrollbar-width: none;
  }
  .page-about .about-rail__list::-webkit-scrollbar {
    display: none;
  }
  .page-about .about-rail__link {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 0 14px;
    border: 1px solid var(--rock);
    border-radius: 999px;
    background: #fff;
  }
}

@media (min-width: 1024px) {
  .page-about .about-body {
    display: grid;
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
  .page-about .about-rail {
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
    margin-bottom: 0;
  }
  .page-about .about-rail__list {
    display: block;
  }
}

/* ---------- 章节通用 ---------- */
.page-about .about-sec {
  padding: 34px 0;
  border-top: 1px solid var(--rock);
}

.page-about .about-stack > .about-sec:first-child {
  border-top: none;
  padding-top: 6px;
}

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

.page-about .about-sec .index-num {
  margin: 0 0 10px;
  color: var(--moss);
}

.page-about .about-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-about .about-sec__lede {
  margin: 12px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: #4c4741;
}

.page-about .about-sec__body p {
  margin: 0 0 14px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.85;
}

.page-about .about-points {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-points li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: #3a3631;
}

.page-about .about-points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.66em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--kiwi);
}

/* ---------- 团队分工 ---------- */
.page-about .team-grid {
  display: grid;
  gap: 16px;
}

.page-about .team-card {
  background: #fff;
  border: 1px solid var(--rock);
  border-radius: var(--radius);
  padding: 22px 20px 20px;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-about .team-card:nth-child(1) {
  background: var(--mist);
}

.page-about .team-card:nth-child(3) {
  background: #f1f6e4;
}

.page-about .team-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.page-about .team-card__num {
  display: inline-block;
  margin: 0 0 4px;
  padding-bottom: 4px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 44px;
  line-height: 1;
  color: var(--moss);
  border-bottom: 4px solid var(--kiwi);
}

.page-about .team-card__role {
  margin: 14px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.3;
}

.page-about .team-card__desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: #413c37;
}

.page-about .team-card__list {
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  border-top: 1px solid rgba(26, 26, 26, 0.12);
  display: grid;
  gap: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: #55504a;
}

@media (min-width: 760px) {
  .page-about .team-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }
  .page-about .team-card:nth-child(2) {
    margin-top: 26px;
  }
  .page-about .team-card:nth-child(3) {
    margin-top: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-card {
    transition: none;
  }
  .page-about .team-card:hover {
    transform: none;
  }
}

/* ---------- 名单更新流程 ---------- */
.page-about .qa-layout {
  display: grid;
  gap: 24px;
}

.page-about .qa-layout__media {
  margin: 0;
}

.page-about .qa-steps {
  list-style: none;
  margin: 0;
  padding: 4px 0 0 30px;
  position: relative;
}

.page-about .qa-steps::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 12px;
  bottom: 16px;
  width: 2px;
  background: linear-gradient(180deg, var(--kiwi), var(--rock));
}

.page-about .qa-step {
  position: relative;
  padding-bottom: 26px;
}

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

.page-about .qa-step::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 6px;
  width: 16px;
  height: 16px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--rice);
  border: 2px solid var(--kiwi);
}

.page-about .qa-step--peak::before {
  background: var(--yolk);
  border-color: var(--ink);
  box-shadow: 0 0 0 4px rgba(242, 226, 5, 0.3);
}

.page-about .qa-step__time {
  display: inline-block;
  margin: 0;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--moss);
  background: rgba(140, 198, 63, 0.18);
  border-radius: 999px;
}

.page-about .qa-step--peak .qa-step__time {
  background: var(--yolk);
  color: var(--ink);
}

.page-about .qa-step__title {
  margin: 10px 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.35;
}

.page-about .qa-step__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #4c4741;
}

@media (min-width: 860px) {
  .page-about .qa-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 32px;
    align-items: start;
  }
}

/* ---------- 发展历程 ---------- */
.page-about .about-band {
  margin: 0 0 24px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--mist);
}

.page-about .about-band img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
}

@media (min-width: 720px) {
  .page-about .about-band img {
    height: 220px;
  }
}

.page-about .line {
  list-style: none;
  margin: 0;
  padding: 6px 0 12px;
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-about .line__node {
  flex: 0 0 232px;
  scroll-snap-align: start;
  position: relative;
  padding-top: 30px;
}

.page-about .line__node::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 14px;
  right: -14px;
  height: 2px;
  background: var(--rock);
}

.page-about .line__node:last-child::before {
  right: 0;
}

.page-about .line__node::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 0;
  width: 14px;
  height: 14px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--kiwi);
  border: 2px solid var(--rice);
  box-shadow: 0 0 0 2px var(--rock);
}

.page-about .line__card {
  background: #fff;
  border: 1px solid var(--rock);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  transition: border-color 0.18s var(--ease);
}

.page-about .line__card[open] {
  border-color: var(--kiwi);
}

.page-about .line__summary {
  display: flex;
  flex-direction: column;
  gap: 5px;
  list-style: none;
  cursor: pointer;
  outline-offset: 4px;
}

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

.page-about .line__summary:focus-visible {
  outline: 2px solid var(--kiwi);
}

.page-about .line__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--purple);
}

.page-about .line__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  line-height: 1.4;
}

.page-about .line__body {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--rock);
  font-size: 13px;
  line-height: 1.7;
  color: #55504a;
}

/* ---------- 合作与认可 ---------- */
.page-about .honor {
  background: var(--purple);
  color: var(--rice);
  border-radius: var(--radius);
  padding: 28px 22px;
}

.page-about .honor__grid {
  display: grid;
  gap: 22px;
}

.page-about .honor__item {
  padding-top: 16px;
  border-top: 1px solid rgba(247, 244, 236, 0.32);
}

.page-about .honor__num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 38px;
  line-height: 1;
  color: var(--yolk);
}

.page-about .honor__num span {
  margin-left: 4px;
  font-size: 16px;
}

.page-about .honor__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  color: var(--kiwi);
}

.page-about .honor__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 244, 236, 0.86);
}

@media (min-width: 780px) {
  .page-about .honor {
    padding: 34px 30px;
  }
  .page-about .honor__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

/* ---------- 服务响应 ---------- */
.page-about .service-bar {
  background: var(--deepless);
  color: var(--rice);
  border-radius: var(--radius);
  padding: 26px 22px;
}

.page-about .service-bar__top {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  align-items: flex-end;
}

.page-about .service-bar__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--kiwi);
}

.page-about .service-bar__value {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.4;
}

.page-about .service-bar__value .mono {
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--yolk);
}

.page-about .service-bar__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(247, 244, 236, 0.8);
}

.page-about .service-bar__meter {
  height: 8px;
  margin: 20px 0;
  border-radius: 999px;
  background: rgba(247, 244, 236, 0.16);
  overflow: hidden;
}

.page-about .service-bar__fill {
  display: block;
  height: 100%;
  width: 72%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--kiwi), var(--yolk));
}

.page-about .service-bar__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 244, 236, 0.88);
}

.page-about .service-bar__list li {
  position: relative;
  padding-left: 18px;
}

.page-about .service-bar__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--kiwi);
}

@media (min-width: 780px) {
  .page-about .service-bar {
    padding: 32px 30px;
  }
}

/* ---------- 结尾入口 ---------- */
.page-about .about-sec--last {
  border-bottom: none;
}

.page-about .next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-about .next-links a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rock);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.page-about .next-links a::after {
  content: "→";
  margin-left: auto;
  padding-left: 16px;
  font-size: 18px;
  color: var(--moss);
}

.page-about .next-links a:hover,
.page-about .next-links a:focus-visible {
  color: var(--moss);
}

.page-about .next-links a:focus-visible {
  outline: 2px solid var(--kiwi);
  outline-offset: 2px;
}
<<<END>>>