.page-about {
  --about-rail: 208px;
  --about-gap: 56px;
  --about-body: 62ch;
  background: var(--wb-ink);
  color: var(--wb-bone);
}

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

.page-about figure {
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-top: 40px;
  padding-bottom: 56px;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto -10%;
  height: 120%;
  background:
    linear-gradient(118deg, rgba(140, 26, 21, 0.55) 0%, rgba(123, 79, 224, 0.24) 46%, rgba(10, 11, 13, 0) 78%);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(35, 38, 45, 0.7) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(35, 38, 45, 0.5) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 72%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero .wb-shell {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 32px;
  margin-top: 26px;
}

.page-about .about-hero__title {
  margin: 12px 0 18px;
  max-width: 16em;
  font-size: clamp(30px, 7.2vw, 56px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-about .about-hero__lead {
  max-width: 40em;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--wb-mist);
}

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

.page-about .about-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--wb-line);
  border: var(--wb-hair);
}

.page-about .about-stat {
  background: rgba(20, 22, 26, 0.86);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .about-stat__num {
  font-family: var(--wb-mono);
  font-size: clamp(26px, 6vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--wb-bone);
}

.page-about .about-stat:first-child .about-stat__num {
  color: var(--wb-gold);
}

.page-about .about-stat__label {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--wb-mist);
}

/* ---------- 通用两栏 ---------- */
.page-about .about-split {
  display: grid;
  gap: 22px;
}

.page-about .about-rail {
  border-top: 2px solid var(--wb-red);
  padding-top: 12px;
}

.page-about .about-rail__no {
  font-family: var(--wb-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--wb-gold);
}

.page-about .about-rail__title {
  margin: 8px 0 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

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

.page-about .about-body p {
  max-width: var(--about-body);
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.85;
  color: #d9d6cf;
}

.page-about .about-body p.about-lead {
  font-size: 17px;
  color: var(--wb-bone);
}

.page-about .about-body a,
.page-about .about-note a,
.page-about .about-next__help a {
  color: var(--wb-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 208, 0.4);
}

.page-about .about-body a:hover,
.page-about .about-note a:hover,
.page-about .about-next__help a:hover {
  border-bottom-color: var(--wb-cyan);
}

.page-about .about-quote {
  margin: 28px 0 0;
  padding: 4px 0 4px 22px;
  border-left: 3px solid var(--wb-gold);
}

.page-about .about-quote p {
  margin: 0;
  max-width: 44em;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--wb-bone);
}

.page-about .about-section-title {
  margin: 10px 0 24px;
  font-weight: 900;
  letter-spacing: -0.015em;
}

/* ---------- 阶段轴 ---------- */
.page-about .about-banner {
  margin-bottom: 34px;
  border-bottom: 2px solid var(--wb-gold);
}

.page-about .about-timeline {
  display: grid;
  gap: 20px;
}

.page-about .about-years {
  display: none;
}

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

.page-about .about-stage {
  position: relative;
  background: var(--wb-panel);
  border-left: 3px solid var(--wb-line);
  border-radius: var(--wb-radius);
  padding: 22px 20px;
  transition: border-color 0.3s var(--wb-ease), transform 0.3s var(--wb-ease);
}

.page-about .about-stage:hover {
  border-left-color: var(--wb-red);
  transform: translateX(3px);
}

.page-about .about-stage__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.page-about .about-stage__year {
  font-family: var(--wb-mono);
  font-size: clamp(28px, 8vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--wb-red);
}

.page-about .about-stage__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-about .about-stage__text {
  margin: 14px 0 0;
  max-width: var(--about-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--wb-mist);
}

.page-about .about-stage__more {
  margin-top: 14px;
  border-top: var(--wb-hair);
  padding-top: 10px;
}

.page-about .about-stage__more summary {
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--wb-gold);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.page-about .about-stage__more summary::after {
  content: "+";
  font-family: var(--wb-mono);
  font-size: 15px;
}

.page-about .about-stage__more[open] summary::after {
  content: "–";
}

.page-about .about-stage__more p {
  margin: 10px 0 0;
  max-width: var(--about-body);
  font-size: 15px;
  line-height: 1.85;
  color: #c3c0ba;
}

.page-about .about-stage__more a {
  color: var(--wb-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 208, 0.4);
}

/* ---------- 团队 ---------- */
.page-about .about-team-figure {
  margin: 6px 0 30px;
  border-left: 2px solid var(--wb-line);
}

.page-about .about-teams {
  list-style: none;
  margin: 0 0 34px;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-about .about-team {
  border-bottom: var(--wb-hair);
  padding-bottom: 16px;
}

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

.page-about .about-team__name {
  font-size: 16px;
  font-weight: 700;
}

.page-about .about-team__num {
  font-family: var(--wb-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--wb-gold);
}

.page-about .about-team__bar {
  margin: 10px 0 10px;
  height: 6px;
  background: rgba(35, 38, 45, 0.9);
  overflow: hidden;
}

.page-about .about-team__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--wb-red-deep), var(--wb-red));
  transition: width 0.5s var(--wb-ease);
}

.page-about .about-team__fill--ops { width: 36%; }
.page-about .about-team__fill--tech { width: 30%; background: linear-gradient(90deg, #5f34b8, var(--wb-violet)); }
.page-about .about-team__fill--qa { width: 17%; background: linear-gradient(90deg, #a8862f, var(--wb-gold)); }
.page-about .about-team__fill--cs { width: 17%; background: linear-gradient(90deg, #0a8b7e, var(--wb-cyan)); }

.page-about .about-team__desc {
  margin: 0;
  max-width: var(--about-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--wb-mist);
}

.page-about .about-team:hover .about-team__desc {
  color: #cfccc6;
}

.page-about .about-subhead {
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 800;
}

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

.page-about .about-flow__step {
  display: flex;
  align-items: baseline;
  gap: 14px;
  background: rgba(20, 22, 26, 0.9);
  padding: 14px 16px;
}

.page-about .about-flow__no {
  font-family: var(--wb-mono);
  font-size: 12px;
  color: var(--wb-gold);
  letter-spacing: 0.1em;
  flex: 0 0 auto;
}

.page-about .about-flow__txt {
  font-size: 15px;
  line-height: 1.7;
  color: #d5d2cc;
}

/* ---------- 覆盖 ---------- */
.page-about .about-coverage {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--wb-line);
  border: var(--wb-hair);
}

.page-about .about-cov {
  background: rgba(20, 22, 26, 0.9);
  padding: 18px 16px;
}

.page-about .about-cov__num {
  font-family: var(--wb-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--wb-cyan);
  margin-right: 8px;
}

.page-about .about-cov__unit {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--wb-mist);
}

.page-about .about-cov__desc {
  margin: 10px 0 0;
  max-width: var(--about-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: #c9c6c0;
}

.page-about .about-coverage-figure {
  margin: 0 0 22px;
  border-top: 2px solid var(--wb-violet);
}

.page-about .about-note {
  max-width: var(--about-body);
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--wb-mist);
}

/* ---------- 合作 ---------- */
.page-about .about-partner-grid {
  margin-top: 4px;
}

.page-about .about-partner {
  border-top: 2px solid var(--wb-red);
}

.page-about .about-partner--cert {
  border-top-color: var(--wb-gold);
}

.page-about .about-partner .wb-card__num {
  font-family: var(--wb-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--wb-gold);
}

/* ---------- 长期做法 ---------- */
.page-about .about-steady {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-about .about-steady__item {
  padding-left: 18px;
  border-left: 1px solid var(--wb-line);
}

.page-about .about-steady__k {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--wb-mist);
}

.page-about .about-steady__v {
  display: block;
  margin-top: 6px;
  font-family: var(--wb-mono);
  font-size: 21px;
  font-weight: 700;
  color: var(--wb-bone);
}

.page-about .about-steady__t {
  margin: 8px 0 0;
  max-width: var(--about-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--wb-mist);
}

/* ---------- 继续了解 ---------- */
.page-about .about-next {
  padding-bottom: 64px;
}

.page-about .about-next-grid {
  margin-bottom: 22px;
}

.page-about .about-next__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px;
  background: var(--wb-panel);
  border: var(--wb-hair);
  border-radius: var(--wb-radius);
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s var(--wb-ease), border-color 0.3s var(--wb-ease);
}

.page-about .about-next__card:hover {
  transform: translateY(-6px);
  border-color: var(--wb-red);
}

.page-about .about-next__no {
  font-family: var(--wb-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--wb-gold);
}

.page-about .about-next__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
}

.page-about .about-next__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--wb-mist);
}

.page-about .about-next__go {
  margin-top: auto;
  padding-top: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--wb-cyan);
}

.page-about .about-next__help {
  max-width: var(--about-body);
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--wb-mist);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 720px) {
  .page-about .about-hero {
    padding-top: 52px;
    padding-bottom: 72px;
  }

  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-stat {
    padding: 22px 18px;
  }

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

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

@media (min-width: 960px) {
  .page-about .about-split {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: var(--about-gap);
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 56px;
    align-items: end;
    margin-top: 42px;
  }

  .page-about .about-hero__title {
    font-size: clamp(44px, 4.4vw, 58px);
  }

  .page-about .about-timeline {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-years {
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: sticky;
    top: 132px;
    padding-left: 16px;
    border-left: 1px solid var(--wb-line);
  }

  .page-about .about-years__label {
    font-family: var(--wb-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--wb-mist);
    margin-bottom: 10px;
  }

  .page-about .about-years__link {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 7px 0 7px 12px;
    margin-left: -17px;
    border-left: 2px solid transparent;
    text-decoration: none;
    transition: border-color 0.25s var(--wb-ease), background 0.25s var(--wb-ease);
  }

  .page-about .about-years__link:hover,
  .page-about .about-years__link:focus-visible {
    border-left-color: var(--wb-gold);
    background: rgba(242, 193, 78, 0.06);
  }

  .page-about .about-years__num {
    font-family: var(--wb-mono);
    font-size: 15px;
    font-weight: 700;
    color: var(--wb-gold);
  }

  .page-about .about-years__txt {
    font-size: 13px;
    color: var(--wb-mist);
  }

  .page-about .about-team-figure {
    max-width: 560px;
  }

  .page-about .about-coverage-figure {
    max-width: 620px;
  }

  .page-about .about-steady {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 36px;
  }
}

@media (min-width: 1200px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-stages {
    gap: 20px;
  }

  .page-about .about-stage {
    padding: 26px 26px;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>