.page-about{
  --about-gold-soft: rgba(212,175,55,.22);
  --about-line: rgba(74,85,104,.14);
  --about-frame: rgba(11,110,79,.12);
  background: var(--ivory);
}

.page-about .about-breadcrumb{
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 20px 0;
}

.page-about .about-hero{
  position: relative;
  padding: 56px 20px 68px;
  overflow: hidden;
  border-bottom: 1px solid var(--mist);
}

.page-about .about-hero::before{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 58%;
  height: 92%;
  background: linear-gradient(145deg, rgba(230,244,241,.92) 0%, rgba(253,251,247,.4) 100%);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 72%);
  z-index: 0;
  border-bottom: 2px solid rgba(212,175,55,.35);
}

.page-about .about-hero::after{
  content: "";
  position: absolute;
  bottom: -46px;
  left: -30px;
  width: 190px;
  height: 190px;
  border: 2px solid rgba(212,175,55,.24);
  border-radius: 18px;
  transform: rotate(14deg);
  z-index: 0;
}

.page-about .about-hero__inner{
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
}

.page-about .about-hero__content{
  max-width: 760px;
}

.page-about .about-hero__eyebrow{
  position: relative;
  display: inline-block;
  margin: 0 0 16px;
  padding-left: 22px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--emerald);
}

.page-about .about-hero__eyebrow::before{
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 12px;
  height: 2px;
  background: var(--royal-gold);
  transform: translateY(-50%);
}

.page-about .about-hero__title{
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-size: clamp(44px, 8vw, 72px);
  line-height: 1.1;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-about .about-hero__slogan{
  margin: 0 0 20px;
  padding: 8px 0 8px 16px;
  border-left: 3px solid var(--royal-gold);
  font-family: var(--font-heading);
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.4;
  color: var(--emerald);
}

.page-about .about-hero__lead{
  margin: 0 0 24px;
  max-width: 46ch;
  font-size: 18px;
  line-height: 1.8;
  color: var(--slate);
}

.page-about .about-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.page-about .about-hero__trust{
  display: inline-block;
  margin: 0;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(212,175,55,.1);
  border: 1px solid rgba(212,175,55,.28);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-jade);
}

.page-about .about-hero__assets{
  position: absolute;
  right: 0;
  top: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.page-about .about-hero__asset{
  position: absolute;
  display: block;
  border-radius: 8px;
}

.page-about .about-hero__asset--a{
  width: 56px;
  height: 76px;
  right: 7%;
  top: 16%;
  background: rgba(253,251,247,.9);
  border: 1px solid var(--royal-gold);
  transform: rotate(12deg);
  box-shadow: var(--shadow-md);
}

.page-about .about-hero__asset--a::after{
  content: "胡";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 28px;
  color: var(--emerald);
}

.page-about .about-hero__asset--b{
  width: 42px;
  height: 42px;
  right: 18%;
  bottom: 13%;
  border: 2px solid var(--emerald);
  transform: rotate(-8deg);
  background: transparent;
}

.page-about .about-hero__asset--c{
  right: -10px;
  top: 60%;
  width: 130px;
  height: 2px;
  background: var(--gold-gradient);
}

@media (min-width: 960px){
  .page-about .about-hero__assets{
    display: block;
  }

  .page-about .about-hero__asset--a{
    width: 76px;
    height: 104px;
    right: 9%;
    top: 22%;
  }

  .page-about .about-hero__asset--a::after{
    font-size: 40px;
  }

  .page-about .about-hero__asset--b{
    width: 58px;
    height: 58px;
    right: 16%;
    bottom: 22%;
  }

  .page-about .about-hero__asset--c{
    right: -20px;
    top: 64%;
    width: 220px;
  }
}

.page-about .brand-story{
  padding: 72px 0;
  border-bottom: 1px solid var(--mist);
}

.page-about .brand-story__inner{
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

@media (min-width: 960px){
  .page-about .brand-story__inner{
    grid-template-columns: 1.08fr .92fr;
    gap: 56px;
    align-items: center;
  }
}

.page-about .brand-story__text .section-heading{
  margin-bottom: 24px;
}

.page-about .brand-story__para{
  margin: 0 0 16px;
  font-size: 18px;
  line-height: 1.85;
  color: var(--slate);
}

.page-about .brand-story__para:last-of-type{
  margin-bottom: 0;
}

.page-about .brand-story__visual{
  position: relative;
}

.page-about .brand-story__visual::before{
  content: "";
  position: absolute;
  left: -12px;
  top: -12px;
  width: 96px;
  height: 96px;
  border: 2px solid var(--royal-gold);
  border-radius: 12px;
  z-index: 0;
  opacity: .5;
}

.page-about .brand-story__img{
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  max-width: 600px;
  border-radius: 14px;
  border: 1px solid rgba(212,175,55,.38);
  box-shadow: var(--shadow-md);
  object-fit: cover;
}

.page-about .brand-story__caption{
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--royal-gold);
  font-size: 14px;
  line-height: 1.6;
  color: var(--emerald);
}

.page-about .milestone-section{
  padding: 72px 0 16px;
  background: var(--mist);
  border-bottom: 1px solid var(--line, rgba(74,85,104,.1));
}

.page-about .milestone-section .section-heading{
  margin-bottom: 16px;
}

.page-about .milestone-section__intro{
  max-width: 620px;
  margin: 0 0 40px;
  font-size: 18px;
  line-height: 1.7;
  color: var(--slate);
}

.page-about .milestone-frame{
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  position: relative;
}

@media (min-width: 960px){
  .page-about .milestone-frame{
    grid-template-columns: 300px 1fr;
    gap: 48px;
  }
}

.page-about .milestone-decor{
  display: none;
}

@media (min-width: 960px){
  .page-about .milestone-decor{
    display: block;
    position: relative;
    align-self: start;
    top: 8px;
    overflow: hidden;
    border-radius: 12px;
    border: 1px solid rgba(212,175,55,.3);
    box-shadow: var(--shadow-sm);
  }

  .page-about .milestone-decor__img{
    display: block;
    width: 100%;
    height: 600px;
    object-fit: cover;
  }
}

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

.page-about .milestone-timeline::before{
  content: "";
  position: absolute;
  left: 33px;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: linear-gradient(180deg, var(--royal-gold) 0%, var(--emerald) 72%, rgba(11,110,79,.12) 100%);
  border-radius: 2px;
}

.page-about .milestone-timeline__item{
  position: relative;
  margin: 0 0 20px;
}

.page-about .milestone-timeline__item::before{
  content: "";
  position: absolute;
  left: 19px;
  top: 22px;
  width: 30px;
  height: 30px;
  border: 3px solid var(--royal-gold);
  border-radius: 8px;
  background: var(--emerald);
  transform: rotate(45deg);
  z-index: 2;
  box-shadow: 0 0 0 5px rgba(212,175,55,.14);
}

.page-about .milestone-card{
  margin-left: 72px;
  background: var(--ivory);
  border: 1px solid var(--about-line);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .35s ease, border-color .35s ease;
}

.page-about .milestone-card:hover{
  box-shadow: var(--shadow-md);
  border-color: rgba(212,175,55,.5);
}

.page-about .milestone-card[open]{
  border-color: rgba(212,175,55,.52);
}

.page-about .milestone-card__head{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .milestone-card__year{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--emerald);
  color: var(--ivory);
  font-family: var(--font-heading);
  font-size: 18px;
  letter-spacing: .05em;
}

.page-about .milestone-card__title{
  flex: 1;
  margin: 0;
  font-size: 20px;
  line-height: 1.4;
  color: var(--ink);
  font-weight: 600;
}

.page-about .milestone-card__hint{
  font-size: 13px;
  color: var(--emerald);
  opacity: .7;
  transition: opacity .3s ease;
}

.page-about .milestone-card__head:hover .milestone-card__hint{
  opacity: 1;
}

.page-about .milestone-card__body{
  margin: 0;
  padding: 0 18px 18px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--slate);
  border-top: 1px dashed rgba(212,175,55,.24);
  padding-top: 14px;
}

@media (min-width: 960px){
  .page-about .milestone-card{
    margin-left: 88px;
  }

  .page-about .milestone-timeline::before{
    left: 41px;
  }

  .page-about .milestone-timeline__item::before{
    left: 27px;
    width: 32px;
    height: 32px;
  }
}

.page-about .version-band{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin: 32px 0 40px;
  padding: 16px 18px;
  background: linear-gradient(90deg, rgba(212,175,55,.16), rgba(212,175,55,.05));
  border: 1px solid rgba(212,175,55,.4);
  border-left: 6px solid var(--royal-gold);
  border-radius: 10px;
}

.page-about .version-band__tag{
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--royal-gold);
  color: var(--ivory);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
}

.page-about .version-band__label{
  font-family: var(--font-heading);
  font-size: 24px;
  line-height: 1.2;
  color: var(--ink);
}

.page-about .version-band__status{
  flex: 1;
  font-size: 14px;
  line-height: 1.6;
  color: var(--slate);
}

.page-about .version-band__link{
  font-size: 14px;
  font-weight: 600;
  color: var(--emerald);
  text-decoration: none;
  border-bottom: 1px solid rgba(212,175,55,.5);
  transition: color .3s ease, border-color .3s ease;
}

.page-about .version-band__link:hover{
  color: var(--ink-jade);
  border-color: var(--ink-jade);
}

.page-about .credentials{
  padding: 72px 0;
}

.page-about .credentials .section-heading{
  margin-bottom: 40px;
}

.page-about .credentials__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 960px){
  .page-about .credentials__grid{
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

.page-about .cred-card{
  position: relative;
  padding: 32px 24px 28px;
  background: var(--ivory);
  border: 1px solid var(--about-line);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}

.page-about .cred-card:hover{
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(212,175,55,.5);
}

.page-about .cred-card__mark{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border-radius: 12px;
  background: var(--emerald);
  border: 1px solid var(--royal-gold);
  font-family: var(--font-heading);
  font-size: 26px;
  color: var(--ivory);
  box-shadow: 0 4px 12px rgba(11,110,79,.18);
}

.page-about .cred-card__label{
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-about .cred-card__value{
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--ink);
}

.page-about .cred-card__desc{
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--slate);
}

.page-about .credentials__notice{
  margin: 36px 0 0;
  padding: 16px 20px;
  background: rgba(230,244,241,.6);
  border: 1px solid var(--about-frame);
  border-left: 4px solid var(--emerald);
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-jade);
}

.page-about .commitment{
  padding: 72px 0 88px;
  background: linear-gradient(180deg, var(--ivory) 0%, rgba(230,244,241,.5) 100%);
}

.page-about .commitment .section-heading{
  margin-bottom: 40px;
}

.page-about .commitment__stats{
  margin-bottom: 40px;
}

.page-about .commitment__stats .stat-row{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (min-width: 960px){
  .page-about .commitment__stats .stat-row{
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
}

.page-about .commitment__stats .stat-item{
  padding: 24px 16px;
  text-align: center;
  background: var(--ivory);
  border: 1px solid var(--about-line);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.page-about .commitment__stats .stat-num{
  display: block;
  font-family: var(--font-heading);
  font-size: 40px;
  line-height: 1.2;
  color: var(--emerald);
  letter-spacing: .02em;
}

.page-about .commitment__stats .stat-label{
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--slate);
}

@media (min-width: 960px){
  .page-about .commitment__stats .stat-num{
    font-size: 48px;
  }
}

.page-about .commitment__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 48px;
}

@media (min-width: 960px){
  .page-about .commitment__grid{
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
}

.page-about .commit-card{
  padding: 28px 22px;
  background: var(--ivory);
  border: 1px solid var(--about-line);
  border-top: 4px solid var(--royal-gold);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: transform .35s ease, box-shadow .35s ease;
}

.page-about .commit-card:hover{
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.page-about .commit-card__num{
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 30px;
  line-height: 1.2;
  color: var(--royal-gold);
}

.page-about .commit-card__title{
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.4;
  color: var(--ink);
}

.page-about .commit-card__desc{
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--slate);
}

.page-about .coverage{
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
  margin-bottom: 48px;
  padding: 28px;
  background: var(--mist);
  border: 1px solid var(--about-frame);
  border-radius: 16px;
}

@media (min-width: 960px){
  .page-about .coverage{
    grid-template-columns: 1.1fr .9fr;
    gap: 40px;
    padding: 36px;
  }
}

.page-about .coverage__visual{
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid rgba(212,175,55,.38);
  box-shadow: var(--shadow-sm);
}

.page-about .coverage__img{
  display: block;
  width: 100%;
  height: auto;
  min-height: 200px;
  object-fit: cover;
}

.page-about .coverage__meta{
  padding: 0;
}

.page-about .coverage__title{
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: 28px;
  line-height: 1.3;
  color: var(--ink);
}

.page-about .coverage__desc{
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--slate);
}

.page-about .coverage__cities{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.page-about .coverage__cities li{
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(212,175,55,.45);
  background: var(--ivory);
  font-size: 14px;
  line-height: 1.5;
  color: var(--emerald);
  cursor: default;
  transition: background .3s ease, color .3s ease, transform .3s ease;
}

.page-about .coverage__cities li:hover{
  background: var(--emerald);
  color: var(--ivory);
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(11,110,79,.2);
}

.page-about .commit-cta{
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
  padding: 28px;
  background: var(--ink-jade);
  border-radius: 16px;
  color: var(--ivory);
  box-shadow: var(--shadow-emerald);
}

@media (min-width: 960px){
  .page-about .commit-cta{
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 36px 40px;
  }
}

.page-about .commit-cta__copy{
  flex: 1;
}

.page-about .commit-cta__title{
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 26px;
  line-height: 1.3;
}

.page-about .commit-cta__desc{
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  opacity: .85;
}

.page-about .commit-cta__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .commit-cta__actions .btn--ghost{
  border-color: rgba(253,251,247,.7);
  color: var(--ivory);
}

.page-about .commit-cta__actions .btn--ghost:hover{
  background: rgba(253,251,247,.12);
}

.page-about .commit-note{
  margin-top: 28px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-about .commit-note a{
  color: var(--emerald);
  text-decoration: none;
  border-bottom: 1px solid rgba(212,175,55,.5);
  transition: color .3s ease;
}

.page-about .commit-note a:hover{
  color: var(--ink-jade);
}

@media (prefers-reduced-motion: reduce){
  .page-about *,
  .page-about *::before,
  .page-about *::after{
    transition: none !important;
    animation: none !important;
  }
}

.page-about {
  --line: var(--ink);
}