.page-about {
  padding-bottom: 12px;
}

.page-about .breadcrumb {
  margin: 18px 0 0;
  font-size: 13px;
}

.page-about .about-head {
  padding: 22px 0 30px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .page-head__title {
  margin: 0 0 18px;
  max-width: 18em;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.14;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--white);
}

.page-about .about-lede {
  margin: 0 0 28px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-fact {
  background: var(--bg-lift);
  padding: 14px 16px;
}

.page-about .about-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-about .about-fact__label {
  display: block;
  margin-top: 7px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

.page-about .about-label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-chapter h2,
.page-about .about-team h2,
.page-about .about-process h2,
.page-about .about-fixed h2,
.page-about .about-local h2,
.page-about .about-next h2 {
  margin: 0 0 16px;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.25;
  letter-spacing: -.01em;
  font-weight: 800;
  color: var(--white);
}

.page-about .about-chapter p,
.page-about .about-process p,
.page-about .about-fixed p,
.page-about .about-local p,
.page-about .about-next p {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--muted);
}

.page-about .about-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 240, 208, .38);
  transition: border-color var(--dur) var(--ease);
}

.page-about .about-link:hover {
  border-bottom-color: var(--cyan);
}

/* 起点章节 */
.page-about .about-chapter {
  display: grid;
  gap: 24px;
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-shot {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--bg-lift);
  overflow: hidden;
}

.page-about .about-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-shot figcaption {
  padding: 10px 13px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* 时间轴 */
.page-about .about-timeline {
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

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

.page-about .about-node {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}

.page-about .about-node:hover {
  background: rgba(12, 30, 54, .85);
}

.page-about .about-scale {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-about .about-node--now .about-scale {
  color: var(--cyan);
}

.page-about .about-node-body {
  position: relative;
  padding-left: 20px;
  min-width: 0;
}

.page-about .about-node-body::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: -17px;
  width: 1px;
  background: var(--line);
}

.page-about .about-node:last-child .about-node-body::before {
  bottom: 60%;
}

.page-about .about-node-body::after {
  content: "";
  position: absolute;
  left: -4px;
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 4px rgba(74, 222, 128, .12);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .about-node--now .about-node-body::after {
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(34, 240, 208, .16);
}

.page-about .about-node:hover .about-node-body::after {
  box-shadow: 0 0 0 6px rgba(34, 240, 208, .2);
}

.page-about .about-node-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-node-text {
  margin: 0;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* 团队带 */
.page-about .about-team {
  position: relative;
  overflow: hidden;
  margin: 40px 0;
  padding: 30px 20px;
  border: 1px solid var(--line);
  background: var(--bg-lift);
}

.page-about .about-team__img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .18;
  filter: saturate(.55);
}

.page-about .about-team__inner {
  position: relative;
  z-index: 1;
}

.page-about .about-team__lead {
  margin: 0 0 24px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--muted);
}

.page-about .about-roles {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 20px;
}

.page-about .about-role-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-about .about-role-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.page-about .about-role-num {
  font-family: var(--font-mono);
  font-size: 21px;
  line-height: 1;
  color: var(--cyan);
  white-space: nowrap;
}

.page-about .about-role-num span {
  margin-left: 3px;
  font-size: 12px;
  color: var(--muted);
}

.page-about .about-bar {
  margin: 9px 0 10px;
  height: 6px;
  border-radius: 99px;
  background: rgba(28, 53, 80, .9);
  overflow: hidden;
}

.page-about .about-bar i {
  display: block;
  height: 100%;
  border-radius: 99px;
}

.page-about .about-bar--edit i {
  width: 47.5%;
  background: var(--cyan);
}

.page-about .about-bar--check i {
  width: 22.5%;
  background: var(--pl);
}

.page-about .about-bar--care i {
  width: 30%;
  background: var(--orange);
}

.page-about .about-role-text {
  margin: 0;
  max-width: 30em;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* 工序 */
.page-about .about-process {
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-steps {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-step {
  padding: 20px 18px;
  background: var(--bg-lift);
}

.page-about .about-step-idx {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-about .about-step h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* 固定栏目 */
.page-about .about-fixed {
  display: grid;
  gap: 26px;
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-pinlist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-pin {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: var(--bg-lift);
  text-decoration: none;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .about-pin:hover {
  background: #102340;
  transform: translateY(-2px);
}

.page-about .about-pin-band {
  flex: none;
  width: 5px;
  height: 32px;
  border-radius: 2px;
}

.page-about .pin-cyan { background: var(--cyan); }
.page-about .pin-pl { background: var(--pl); }
.page-about .pin-seriea { background: var(--seriea); }
.page-about .pin-orange { background: var(--orange); }

.page-about .about-pin-body {
  display: block;
  min-width: 0;
}

.page-about .about-pin-name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.page-about .about-pin-desc {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .about-pin-go {
  margin-left: auto;
  flex: none;
  font-size: 15px;
  color: var(--cyan);
}

/* 本地服务 */
.page-about .about-local {
  display: grid;
  gap: 22px;
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-local__shot {
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--bg-lift);
}

.page-about .about-local__shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 收束 */
.page-about .about-next {
  padding: 42px 0 40px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

@media (min-width: 720px) {
  .page-about .about-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-fact__num {
    font-size: 28px;
  }

  .page-about .about-chapter {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 34px;
    align-items: start;
  }

  .page-about .about-roles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

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

  .page-about .about-fixed {
    grid-template-columns: minmax(0, 1fr) minmax(0, .95fr);
    gap: 34px;
    align-items: start;
  }

  .page-about .about-local {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 30px;
    align-items: center;
  }

  .page-about .about-team {
    padding: 44px 34px;
  }
}

@media (min-width: 1080px) {
  .page-about .about-head {
    padding: 30px 0 38px;
  }

  .page-about .about-node {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 20px;
    padding: 18px 0;
  }

  .page-about .about-scale {
    font-size: 14px;
  }

  .page-about .about-chapter,
  .page-about .about-timeline,
  .page-about .about-process,
  .page-about .about-fixed,
  .page-about .about-local,
  .page-about .about-next {
    padding-top: 52px;
    padding-bottom: 52px;
  }

  .page-about .about-team {
    margin: 52px 0;
    padding: 52px 46px;
  }

  .page-about .about-next {
    padding-bottom: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-node,
  .page-about .about-pin,
  .page-about .about-node-body::after {
    transition: none;
  }

  .page-about .about-pin:hover {
    transform: none;
  }
}
<<<END>>>