.page-about {
  --about-cut: 18px;
  --about-gap: clamp(1.9rem, 4.5vw, 3.4rem);
}

/* 面包屑 */
.page-about .crumbs {
  padding-top: clamp(0.85rem, 2vw, 1.35rem);
}
.page-about .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--step-1);
}
.page-about .crumbs__link {
  color: var(--mute);
  text-decoration: none;
  transition: color 0.15s var(--ease);
}
.page-about .crumbs__link:hover,
.page-about .crumbs__link:focus-visible {
  color: var(--turf);
}
.page-about .crumbs__current {
  color: var(--on-ink);
}
.page-about .crumbs .slash {
  color: var(--line);
}

/* 首屏 */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  margin-top: clamp(1rem, 2.5vw, 1.75rem);
  padding: clamp(1.6rem, 4vw, 3.1rem);
  background: var(--ink-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
}
.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, rgba(34, 160, 90, 0.34) 0%, rgba(34, 160, 90, 0.08) 46%, rgba(34, 160, 90, 0) 66%);
  clip-path: polygon(0 0, 64% 0, 36% 100%, 0 100%);
  pointer-events: none;
}
.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -10%;
  bottom: -34%;
  width: 44%;
  height: 96%;
  background: repeating-linear-gradient(116deg, rgba(255, 106, 43, 0.26) 0 2px, rgba(255, 106, 43, 0) 2px 14px);
  transform: rotate(-4deg);
  pointer-events: none;
}
.page-about .about-hero > * {
  position: relative;
  z-index: 1;
}
.page-about .about-hero__eyebrow {
  margin: 0 0 0.9rem;
  font-size: var(--step-1);
  letter-spacing: 0.1em;
  color: var(--lime);
  font-family: var(--font-num);
}
.page-about .about-hero__title {
  margin: 0;
  font-size: clamp(2rem, 5.4vw, 3.5rem);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--on-ink);
  max-width: 17em;
}
.page-about .about-hero__lead {
  margin: 1.15rem 0 0;
  max-width: 34em;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--on-ink);
  opacity: 0.86;
}
.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(1.5rem, 3.4vw, 2.4rem) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-about .about-hero__stats > li {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.9rem 1rem;
  background: var(--ink);
}
.page-about .about-hero__k {
  font-size: var(--step-1);
  letter-spacing: 0.08em;
  color: var(--mute);
}
.page-about .about-hero__v {
  font-family: var(--font-num);
  font-size: clamp(1.5rem, 3.2vw, 2.05rem);
  font-weight: 700;
  line-height: 1;
  color: var(--turf);
  letter-spacing: -0.02em;
}
@media (min-width: 720px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* 纵向档案轴 */
.page-about .about-spine {
  position: relative;
  display: grid;
  gap: var(--about-gap);
  padding-block: clamp(2rem, 5vw, 4rem) clamp(1rem, 3vw, 2rem);
}
.page-about .about-node {
  display: grid;
  gap: 0.85rem;
  min-width: 0;
}
.page-about .about-node__rail {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
}
.page-about .about-node__num {
  display: inline-block;
  font-family: var(--font-num);
  font-size: clamp(1.45rem, 3vw, 1.95rem);
  font-weight: 700;
  line-height: 1;
  color: var(--turf);
  letter-spacing: -0.03em;
  text-decoration: none;
  transform: skewX(-6deg);
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s var(--ease), color 0.15s var(--ease);
}
.page-about .about-node__num:hover,
.page-about .about-node__num:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-about .about-node__label {
  font-size: var(--step-1);
  letter-spacing: 0.14em;
  color: var(--mute);
}
.page-about .about-node__body {
  min-width: 0;
}
.page-about .about-node__title {
  margin: 0 0 0.9rem;
  font-size: var(--step-5);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--on-ink);
}
.page-about .about-node__body p {
  max-width: 34em;
  margin: 0 0 1rem;
  font-size: var(--step-3);
  line-height: 1.8;
  color: var(--on-ink);
  opacity: 0.88;
}
.page-about .about-node__body p a {
  color: var(--turf);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-about .about-node__body p a:hover {
  color: var(--lime);
}
.page-about .about-node__body p:last-child {
  margin-bottom: 0;
}
.page-about .about-node__body .num {
  font-family: var(--font-num);
  color: var(--turf);
}

@media (min-width: 900px) {
  .page-about .about-spine::before {
    content: "";
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--turf) 0%, var(--line) 52%, rgba(44, 58, 87, 0) 100%);
  }
  .page-about .about-node {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: clamp(1.5rem, 3vw, 2.75rem);
    align-items: start;
  }
  .page-about .about-node__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.55rem;
    padding-left: 2.2rem;
  }
}

/* 引用 */
.page-about .about-quote {
  margin: 1.5rem 0 0;
  padding: 1rem 1.1rem 1rem 1.25rem;
  border-left: 3px solid var(--turf);
  background: rgba(34, 160, 90, 0.08);
}
.page-about .about-quote p {
  margin: 0;
  max-width: 32em;
  font-size: var(--step-3);
  line-height: 1.85;
  color: var(--on-ink);
  opacity: 1;
}

/* 图片 */
.page-about .about-figure {
  margin: 0;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--about-cut)), calc(100% - var(--about-cut)) 100%, 0 100%);
}
.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .about-figure--band {
  margin-top: 1.5rem;
}

/* 团队 */
.page-about .team-intro {
  display: grid;
  gap: 1.4rem;
  margin-bottom: 1.75rem;
}
.page-about .team-intro__text p {
  margin-bottom: 0.9rem;
}
@media (min-width: 860px) {
  .page-about .team-intro {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 2rem;
  }
}

.page-about .team-grid {
  display: grid;
  gap: 1rem;
}
@media (min-width: 720px) {
  .page-about .team-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-about .team-card {
  position: relative;
  padding: 1.15rem 1.15rem 1.25rem;
  background: var(--ink-2);
  clip-path: polygon(22px 0, 100% 0, 100% 100%, 0 100%, 0 22px);
  outline: none;
  transition: background-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
.page-about .team-card:hover {
  background: #22345A;
}
.page-about .team-card:focus,
.page-about .team-card:focus-visible {
  box-shadow: inset 0 0 0 2px var(--turf);
}
.page-about .team-card .tag {
  margin-bottom: 0.75rem;
}
.page-about .team-card__name {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--on-ink);
}
.page-about .team-card__desc {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--mute);
}
.page-about .team-card__duties {
  display: grid;
  gap: 0.35rem;
  margin: 0.9rem 0 0;
  padding: 0.9rem 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
}
.page-about .team-card__duties li {
  position: relative;
  padding-left: 1rem;
  font-size: var(--step-1);
  line-height: 1.65;
  color: var(--on-ink);
  opacity: 0.85;
}
.page-about .team-card__duties li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 2px;
  background: var(--track);
}
@media (hover: hover) and (min-width: 900px) {
  .page-about .team-card__duties {
    max-height: 0;
    margin-top: 0;
    padding-top: 0;
    overflow: hidden;
    opacity: 0;
    border-top-color: transparent;
    transition: max-height 0.22s var(--ease), opacity 0.22s var(--ease), padding-top 0.22s var(--ease), margin-top 0.22s var(--ease);
  }
  .page-about .team-card:hover .team-card__duties,
  .page-about .team-card:focus .team-card__duties,
  .page-about .team-card:focus-visible .team-card__duties {
    max-height: 12rem;
    margin-top: 0.9rem;
    padding-top: 0.9rem;
    opacity: 1;
    border-top-color: var(--line);
  }
}

/* 复盘流程 */
.page-about .flow-wrap {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.4rem;
}
@media (min-width: 880px) {
  .page-about .flow-wrap {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
    gap: 2rem;
  }
}
.page-about .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-about .flow-step {
  display: grid;
  grid-template-columns: 2.3rem minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}
.page-about .flow-step:last-child {
  border-bottom: 1px solid var(--line);
}
.page-about .flow-step__n {
  font-family: var(--font-num);
  font-size: var(--step-2);
  font-weight: 700;
  line-height: 1.5;
  color: var(--track);
}
.page-about .flow-step__name {
  margin: 0 0 0.25rem;
  font-size: var(--step-3);
  font-weight: 700;
  color: var(--on-ink);
}
.page-about .flow-step__text p {
  margin: 0;
  max-width: 32em;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--mute);
}

/* 版本 */
.page-about .ver-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-about .ver {
  padding: 1rem 1.1rem 1.1rem;
  background: var(--ink);
  transition: background-color 0.18s var(--ease);
}
.page-about .ver:hover,
.page-about .ver:focus-within {
  background: var(--ink-2);
}
.page-about .ver__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.7rem;
  margin: 0 0 0.45rem;
}
.page-about .ver__tag {
  font-family: var(--font-num);
  font-size: var(--step-2);
  font-weight: 700;
  color: var(--turf);
  letter-spacing: -0.01em;
}
.page-about .ver--now .ver__tag {
  padding: 0.1rem 0.5rem;
  background: var(--lime);
  color: var(--ink);
}
.page-about .ver__name {
  font-size: var(--step-3);
  font-weight: 700;
  color: var(--on-ink);
}
.page-about .ver__desc {
  margin: 0;
  max-width: 36em;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--on-ink);
  opacity: 0.82;
}
.page-about .ver__peek {
  margin: 0.4rem 0 0;
  font-size: var(--step-1);
  line-height: 1.6;
  color: var(--track);
}
@media (hover: hover) and (min-width: 900px) {
  .page-about .ver__peek {
    display: none;
  }
  .page-about .ver:hover .ver__peek,
  .page-about .ver:focus-within .ver__peek {
    display: block;
  }
}

/* 结尾去向 */
.page-about .about-next {
  border-top: 1px solid var(--line);
  padding-block: clamp(2rem, 4.5vw, 3.4rem);
}
.page-about .about-next__title {
  margin: 0 0 1.2rem;
  font-size: var(--step-5);
  font-weight: 800;
  line-height: 1.3;
  color: var(--on-ink);
}
.page-about .about-next__list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-about .about-next__list > li {
  background: var(--ink);
}
.page-about .about-next__link {
  display: block;
  padding: 0.95rem 1.1rem 0.95rem 1.6rem;
  font-size: var(--step-2);
  color: var(--on-ink);
  text-decoration: none;
  position: relative;
  transition: background-color 0.16s var(--ease), color 0.16s var(--ease);
}
.page-about .about-next__link::before {
  content: "";
  position: absolute;
  left: 0.75rem;
  top: 50%;
  width: 10px;
  height: 2px;
  background: var(--turf);
  transform: translateY(-50%);
  transition: width 0.16s var(--ease), background-color 0.16s var(--ease);
}
.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  background: var(--ink-2);
  color: var(--lime);
}
.page-about .about-next__link:hover::before,
.page-about .about-next__link:focus-visible::before {
  width: 18px;
  background: var(--lime);
}
@media (min-width: 760px) {
  .page-about .about-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<END>>>