.page-about{
  --about-rail: 96px;
  --about-gap: clamp(22px, 3.4vw, 56px);
  --about-sticky: 118px;
  background-color: var(--lj-paper);
  color: var(--lj-ink);
}

.page-about .about-crumbwrap{
  padding-top: clamp(18px, 2.6vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero{
  position: relative;
  padding: clamp(28px, 5vw, 70px) 0 0;
  border-bottom: 1px solid var(--lj-rule);
  background-image: linear-gradient(90deg, rgba(15, 61, 46, .05) 1px, transparent 1px);
  background-size: clamp(72px, 10vw, 140px) 100%;
}

.page-about .about-hero__kicker{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--lj-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--lj-ink-mid);
}

.page-about .about-hero__kicker::before{
  content: "";
  width: 24px;
  height: 8px;
  border-radius: var(--lj-pill);
  background-color: var(--lj-yellow);
}

.page-about .about-hero__title{
  margin: 0;
  font-family: var(--lj-font-sans);
  font-weight: 900;
  font-size: clamp(38px, 8vw, 92px);
  line-height: 1.03;
  letter-spacing: -.035em;
  color: var(--lj-ink);
}

.page-about .about-hero__lede{
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  max-width: 58ch;
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.75;
  color: var(--lj-ink-mid);
}

.page-about .about-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-about .about-stats{
  list-style: none;
  margin: clamp(34px, 4.6vw, 56px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background-color: var(--lj-rule);
  border-top: 1px solid var(--lj-rule);
  border-bottom: 1px solid var(--lj-rule);
}

.page-about .about-stats li{
  padding: clamp(16px, 2.2vw, 26px) clamp(12px, 1.8vw, 20px);
  background-color: var(--lj-paper);
}

.page-about .about-stats__num{
  display: block;
  font-family: var(--lj-font-mono);
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--lj-ink);
}

.page-about .about-stats__num::after{
  content: "";
  display: block;
  width: 22px;
  height: 3px;
  margin-top: 9px;
  border-radius: var(--lj-pill);
  background-color: var(--lj-yellow);
}

.page-about .about-stats__k{
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--lj-concrete-deep);
}

/* ---------- 档案册式分栏 ---------- */
.page-about .lj-section{
  padding-block: clamp(46px, 6.6vw, 100px);
}

.page-about .about-row{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 34px);
}

.page-about .about-row__rail{
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--lj-font-mono);
  color: var(--lj-concrete-deep);
}

.page-about .about-row__num{
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--lj-pill);
  background-color: var(--lj-yellow);
  color: var(--lj-ink-deep);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .12em;
}

.page-about .about-row__label{
  font-size: 12px;
  letter-spacing: .2em;
}

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

.page-about .about-row__body > .lj-h2{
  margin: 0 0 clamp(14px, 1.8vw, 22px);
}

/* ---------- 引用块 ---------- */
.page-about .about-quote{
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: clamp(16px, 2.2vw, 24px) clamp(16px, 2.4vw, 26px);
  border-left: 6px solid var(--lj-yellow);
  border-radius: 0 var(--lj-radius) var(--lj-radius) 0;
  background-color: var(--lj-paper-bright);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.7;
  color: var(--lj-ink);
}

/* ---------- 图片 ---------- */
.page-about .about-figure{
  margin: clamp(26px, 3.4vw, 42px) 0 0;
  max-width: 100%;
}

.page-about .about-figure img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--lj-radius-lg);
  border: 1px solid var(--lj-rule);
  object-fit: cover;
}

/* ---------- 服务对象 ---------- */
.page-about .about-cast{
  list-style: none;
  margin: clamp(24px, 3.2vw, 38px) 0 0;
  padding: 0;
  border-top: 1px solid var(--lj-rule);
}

.page-about .about-cast__item{
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 6px clamp(14px, 2vw, 24px);
  padding: clamp(20px, 2.6vw, 30px) 0;
  border-bottom: 1px solid var(--lj-rule);
}

.page-about .about-cast__idx{
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  margin-top: 2px;
  border-radius: var(--lj-pill);
  background-color: var(--lj-yellow);
  color: var(--lj-ink-deep);
  font-family: var(--lj-font-mono);
  font-size: 12.5px;
  font-weight: 700;
}

.page-about .about-cast__title{
  margin: 0;
  font-size: clamp(18px, 1.9vw, 22px);
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-about .about-cast__desc{
  margin: 8px 0 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--lj-ink-mid);
}

.page-about .about-cast__tags{
  grid-column: 2;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
}

/* ---------- 三层原则 ---------- */
.page-about .about-principles{
  list-style: none;
  margin: clamp(24px, 3.2vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background-color: var(--lj-rule);
  border-top: 1px solid var(--lj-rule);
  border-bottom: 1px solid var(--lj-rule);
}

.page-about .about-principle{
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: clamp(10px, 1.8vw, 22px);
  padding: clamp(18px, 2.4vw, 28px) clamp(12px, 1.8vw, 22px);
  background-color: var(--lj-paper);
  transition: background-color .18s ease;
}

.page-about .about-principle:hover{
  background-color: var(--lj-paper-bright);
}

.page-about .about-principle__num{
  padding-top: 3px;
  font-family: var(--lj-font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--lj-concrete-deep);
}

.page-about .about-principle__title{
  margin: 0;
  font-size: clamp(17px, 1.7vw, 20px);
  font-weight: 700;
}

.page-about .about-principle__desc{
  margin: 8px 0 0;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--lj-ink-mid);
}

.page-about .about-principle__hint{
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--lj-concrete);
  font-family: var(--lj-font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--lj-concrete-deep);
  transition: border-color .18s ease, color .18s ease;
}

.page-about .about-principle:hover .about-principle__hint{
  border-left-color: var(--lj-yellow);
  color: var(--lj-ink-mid);
}

/* ---------- 历程 ---------- */
.page-about .about-track{
  list-style: none;
  margin: clamp(24px, 3.2vw, 38px) 0 0;
  padding: 0;
}

.page-about .about-stop{
  position: relative;
  padding: 0 0 clamp(26px, 3.2vw, 38px) 34px;
}

.page-about .about-stop::before{
  content: "";
  position: absolute;
  left: 7px;
  top: 22px;
  bottom: 0;
  width: 2px;
  background-color: var(--lj-rule);
}

.page-about .about-stop:last-child::before{
  display: none;
}

.page-about .about-stop__dot{
  position: absolute;
  left: 0;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: var(--lj-pill);
  border: 2px solid var(--lj-ink-mid);
  background-color: var(--lj-yellow);
}

.page-about .about-stop__when{
  display: inline-block;
  margin-bottom: 8px;
  padding: 4px 12px;
  border-radius: var(--lj-pill);
  background-color: var(--lj-ink);
  color: var(--lj-paper-bright);
  font-family: var(--lj-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
}

.page-about .about-stop__body h3{
  margin: 0;
  font-size: clamp(17px, 1.7vw, 20px);
  font-weight: 700;
}

.page-about .about-stop__body p{
  margin: 8px 0 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--lj-ink-mid);
}

/* ---------- 团队 ---------- */
.page-about .about-team__groups{
  list-style: none;
  margin: clamp(24px, 3.2vw, 38px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 26px);
}

.page-about .about-team__groups li{
  padding-top: 16px;
  border-top: 3px solid var(--lj-yellow);
}

.page-about .about-team__groups h3{
  margin: 0;
  font-size: 17px;
  font-weight: 700;
}

.page-about .about-team__groups p{
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--lj-ink-mid);
}

.page-about .about-eco{
  margin-top: clamp(26px, 3.4vw, 40px);
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  padding: clamp(20px, 2.6vw, 30px) clamp(16px, 2.4vw, 28px);
  border: 1px solid var(--lj-rule);
  border-radius: var(--lj-radius-lg);
  background-color: var(--lj-paper-bright);
}

.page-about .about-eco p{
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--lj-ink-mid);
}

.page-about .about-eco__n{
  display: inline-block;
  margin-right: 4px;
  font-family: var(--lj-font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--lj-ink);
}

.page-about .about-team__note{
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding-left: clamp(12px, 1.8vw, 18px);
  border-left: 4px solid var(--lj-concrete);
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--lj-concrete-deep);
}

/* ---------- 下一步 ---------- */
.page-about .about-next{
  background-color: var(--lj-yellow);
  color: var(--lj-ink-deep);
  padding-block: clamp(46px, 6vw, 88px);
}

.page-about .about-next__inner{
  display: grid;
  gap: 14px;
  max-width: 780px;
}

.page-about .about-next__kicker{
  margin: 0;
  font-family: var(--lj-font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(8, 37, 28, .72);
}

.page-about .about-next__title{
  margin: 0;
  font-size: clamp(28px, 4.4vw, 52px);
  line-height: 1.12;
  letter-spacing: -.025em;
  font-weight: 900;
  color: var(--lj-ink-deep);
}

.page-about .about-next__text{
  margin: 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.72;
  color: rgba(8, 37, 28, .82);
}

.page-about .about-next__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

.page-about .about-next__link{
  font-family: var(--lj-font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--lj-ink-deep);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-about .about-next__link:hover{
  text-decoration-color: var(--lj-ink-deep);
}

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

@media (min-width: 760px){
  .page-about .about-team__groups{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-eco{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px){
  .page-about .about-row{
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: var(--about-gap);
  }

  .page-about .about-row__rail{
    position: sticky;
    top: var(--about-sticky);
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding-top: 6px;
  }

  .page-about .about-cast__item{
    grid-template-columns: 34px minmax(0, 1fr) 200px;
    align-items: start;
  }

  .page-about .about-cast__tags{
    grid-column: 3;
    grid-row: 1;
    justify-content: flex-end;
    margin-top: 2px;
  }

  .page-about .about-stop{
    display: grid;
    grid-template-columns: 148px minmax(0, 1fr);
    gap: clamp(18px, 2.6vw, 36px);
    padding-left: 34px;
    padding-bottom: clamp(28px, 3.4vw, 42px);
  }

  .page-about .about-stop__when{
    margin-bottom: 0;
    justify-self: start;
  }
}

@media (min-width: 1180px){
  .page-about .about-hero__lede{
    max-width: 62ch;
  }
  .page-about .about-cast__item{
    grid-template-columns: 34px minmax(0, 1fr) 240px;
  }
}

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