.page-about{
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
}

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

.page-about .section{
  padding: 52px 0;
}

@media (min-width: 900px){
  .page-about .section{
    padding: 76px 0;
  }
}

/* ---------- 首屏 ---------- */
.page-about .about-hero{
  background: var(--cream);
  border-bottom: 1px solid var(--cream-2);
  padding: 26px 0 46px;
}

@media (min-width: 900px){
  .page-about .about-hero{
    padding: 34px 0 64px;
  }
}

.page-about .breadcrumb{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--taupe);
  margin-bottom: 26px;
}

.page-about .breadcrumb a{
  color: var(--wine);
  text-decoration: none;
  border-bottom: 1px solid rgba(232,195,122,.7);
  transition: color var(--dur) var(--ease);
}

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible{
  color: var(--wine-mid);
}

.page-about .about-hero__grid{
  display: grid;
  gap: 30px;
}

@media (min-width: 900px){
  .page-about .about-hero__grid{
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 0;
    align-items: stretch;
  }
  .page-about .about-hero__body{
    padding-right: 44px;
  }
  .page-about .about-hero__figure{
    border-left: 1px solid var(--cream-2);
    padding-left: 34px;
  }
}

.page-about .about-kicker{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--wine);
  border-left: 2px solid var(--gold);
  padding-left: 10px;
  margin: 0 0 16px;
}

.page-about .about-hero__title{
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(32px, 8vw, 56px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--wine);
  margin: 0 0 20px;
}

.page-about .about-hero__lede{
  font-size: 17px;
  line-height: 1.8;
  max-width: 56ch;
  color: var(--ink);
  border-left: 2px solid rgba(232,195,122,.75);
  padding-left: 16px;
  margin: 0 0 28px;
}

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

.page-about .about-hero__figure{
  margin: 0;
}

.page-about .about-hero__figure img{
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid rgba(232,195,122,.6);
  filter: saturate(.92);
}

@media (min-width: 900px){
  .page-about .about-hero__figure img{
    aspect-ratio: 3 / 4;
  }
}

/* ---------- 按钮 ---------- */
.page-about .about-btn{
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.4;
  letter-spacing: .05em;
  padding: 12px 22px;
  border: 1px solid var(--wine);
  border-radius: 2px;
  background: transparent;
  color: var(--wine);
  text-decoration: none;
  transition: transform var(--dur) var(--ease),
              background var(--dur) var(--ease),
              color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}

.page-about .about-btn:hover{
  transform: translateY(-2px);
  background: var(--wine);
  color: var(--cream);
}

.page-about .about-btn:focus-visible{
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-about .about-btn--solid{
  background: var(--wine);
  color: var(--cream);
}

.page-about .about-btn--solid:hover{
  background: var(--wine-mid);
  border-color: var(--wine-mid);
  color: var(--cream);
}

.page-about .about-btn--ghost{
  border-color: rgba(232,195,122,.75);
  color: var(--gold-lt);
}

.page-about .about-btn--ghost:hover{
  background: var(--gold);
  border-color: var(--gold);
  color: var(--green);
}

/* ---------- 章节头 ---------- */
.page-about .section-head{
  border-top: 1px solid var(--cream-2);
  padding-top: 14px;
  margin-bottom: 24px;
}

.page-about .section-head__num{
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--wine);
  margin-bottom: 8px;
}

.page-about .section-head__title{
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(22px, 4.6vw, 34px);
  line-height: 1.24;
  color: var(--ink);
  margin: 0;
}

.page-about .about-prose{
  max-width: 62ch;
}

.page-about .about-prose p{
  margin: 0 0 16px;
}

.page-about .about-prose p:last-child{
  margin-bottom: 0;
}

/* ---------- 起源 ---------- */
.page-about .about-origin__grid{
  display: grid;
  gap: 30px;
}

@media (min-width: 900px){
  .page-about .about-origin__grid{
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
  }
  .page-about .about-origin__side{
    border-left: 1px solid var(--cream-2);
    padding-left: 34px;
    align-self: start;
  }
}

.page-about .about-quote{
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 700;
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1.45;
  color: var(--wine);
  margin: 0 0 18px;
}

.page-about .about-origin__meta{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--taupe);
  margin: 0;
  border-top: 1px solid var(--cream-2);
  padding-top: 12px;
}

/* ---------- 阶段刻度 ---------- */
.page-about .about-stages{
  background: var(--cream-2);
}

.page-about .about-stages__intro{
  max-width: 54ch;
  color: var(--taupe);
  margin: -8px 0 26px;
}

.page-about .about-scale{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(232,195,122,.55);
  border: 1px solid rgba(232,195,122,.55);
  margin-bottom: 36px;
}

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

.page-about .about-scale__pt{
  display: block;
  position: relative;
  background: var(--cream);
  padding: 16px 14px 18px;
  text-decoration: none;
  color: var(--ink);
  border-top: 2px solid transparent;
  transition: background var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}

.page-about .about-scale__pt:hover,
.page-about .about-scale__pt:focus-visible{
  background: #fff;
  border-top-color: var(--gold);
}

.page-about .about-scale__pt:focus-visible{
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.page-about .about-scale__dot{
  display: block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold-lt);
  border: 1px solid var(--gold);
  margin-bottom: 10px;
}

.page-about .about-scale__pt:hover .about-scale__dot{
  background: var(--gold);
}

.page-about .about-scale__ver{
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--wine);
}

.page-about .about-scale__lab{
  display: block;
  font-size: 13px;
  color: var(--taupe);
  margin-top: 4px;
}

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

.page-about .timeline::before{
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, rgba(232,195,122,.9), rgba(232,195,122,.16));
}

.page-about .timeline__item{
  position: relative;
  padding-left: 34px;
  margin-bottom: 18px;
}

.page-about .timeline__item:last-child{
  margin-bottom: 0;
}

.page-about .timeline__node{
  position: absolute;
  left: 0;
  top: 24px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--gold-lt);
  border: 1px solid var(--gold);
  box-shadow: 0 0 0 3px var(--cream-2);
}

.page-about .timeline__card{
  background: var(--cream);
  border: 1px solid rgba(230,220,200,.9);
  border-radius: 2px;
  padding: 18px 20px 20px;
  transition: transform var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}

.page-about .timeline__card:hover{
  transform: translateY(-2px);
  border-color: var(--gold);
}

.page-about .timeline__ver{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--wine);
  margin: 0 0 6px;
}

.page-about .timeline__title{
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.35;
  margin: 0 0 8px;
  color: var(--ink);
}

.page-about .timeline__text{
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: #4a4038;
  max-width: 62ch;
}

/* ---------- 满宽深色带 ---------- */
.page-about .about-band{
  position: relative;
  overflow: hidden;
  padding: 44px 0;
}

@media (min-width: 900px){
  .page-about .about-band{
    padding: 58px 0;
  }
}

.page-about .about-band--green{
  background: var(--green);
  color: var(--gold-lt);
}

.page-about .about-band--green::after{
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(45deg, rgba(255,255,255,.04) 0 1px, transparent 1px 9px);
  pointer-events: none;
}

.page-about .about-band__quote{
  position: relative;
  z-index: 1;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 700;
  font-size: clamp(22px, 4.4vw, 34px);
  line-height: 1.38;
  margin: 0;
  max-width: 22em;
}

/* ---------- 团队 ---------- */
.page-about .team-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--cream-2);
  border: 1px solid var(--cream-2);
}

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

.page-about .team-cell{
  background: var(--cream);
  padding: 22px 20px 24px;
  outline: none;
  transition: background var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}

.page-about .team-cell:hover,
.page-about .team-cell:focus-visible{
  background: #fff;
  box-shadow: inset 0 0 0 1px var(--gold);
}

.page-about .team-cell__num{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--wine);
  margin: 0 0 10px;
}

.page-about .team-cell__title{
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--ink);
}

.page-about .team-cell__text{
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: #4a4038;
}

.page-about .team-cell__duty{
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--taupe);
  border-top: 1px solid var(--cream-2);
  padding-top: 10px;
}

.page-about .about-team__figure{
  margin: 30px 0 0;
}

.page-about .about-team__figure img{
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid rgba(232,195,122,.6);
}

@media (min-width: 900px){
  .page-about .about-team__figure img{
    aspect-ratio: 16 / 7;
  }
}

.page-about .about-team__note{
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--taupe);
  border-left: 2px solid rgba(232,195,122,.7);
  padding-left: 14px;
  max-width: 58ch;
}

/* ---------- 产品线 ---------- */
.page-about .about-lines{
  background: var(--wine);
  color: var(--cream);
}

.page-about .about-lines .section-head{
  border-top-color: rgba(232,195,122,.4);
}

.page-about .about-lines .section-head__num{
  color: var(--gold);
}

.page-about .about-lines .section-head__title{
  color: var(--cream);
}

.page-about .about-lines__intro{
  max-width: 54ch;
  color: rgba(245,239,227,.74);
  margin: -8px 0 26px;
}

.page-about .about-lines__list{
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-line{
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 4px 16px;
  padding: 20px 0;
  border-top: 1px solid rgba(232,195,122,.24);
  transition: border-color var(--dur) var(--ease);
}

.page-about .about-line:last-child{
  border-bottom: 1px solid rgba(232,195,122,.24);
}

.page-about .about-line:hover{
  border-top-color: rgba(232,195,122,.7);
}

.page-about .about-line__num{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
  padding-top: 5px;
}

.page-about .about-line__title{
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.35;
  margin: 0 0 8px;
  color: var(--cream);
}

.page-about .about-line__text{
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(245,239,227,.82);
  max-width: 62ch;
}

.page-about .about-line__link{
  grid-column: 2;
  justify-self: start;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold-lt);
  text-decoration: none;
  border-bottom: 1px solid rgba(232,195,122,.55);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-line__link:hover,
.page-about .about-line__link:focus-visible{
  color: #fff;
  border-bottom-color: var(--gold-lt);
}

/* ---------- 工序流程 ---------- */
.page-about .about-flow__grid{
  display: grid;
  gap: 30px;
}

@media (min-width: 900px){
  .page-about .about-flow__grid{
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: start;
  }
}

.page-about .flow-steps{
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .flow-step{
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 2px 14px;
  padding: 16px 0;
  border-top: 1px solid var(--cream-2);
}

.page-about .flow-step:last-child{
  border-bottom: 1px solid var(--cream-2);
}

.page-about .flow-step__num{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--wine);
  padding-top: 4px;
}

.page-about .flow-step__title{
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  margin: 0 0 6px;
  color: var(--ink);
}

.page-about .flow-step__text{
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: #4a4038;
  max-width: 62ch;
}

.page-about .about-flow__figure{
  margin: 0;
}

.page-about .about-flow__figure img{
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid rgba(232,195,122,.6);
}

/* ---------- 服务地区 ---------- */
.page-about .about-service{
  background: var(--cream-2);
}

.page-about .about-service__grid{
  display: grid;
  gap: 30px;
}

@media (min-width: 900px){
  .page-about .about-service__grid{
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: start;
  }
}

.page-about .about-service .about-btn{
  margin-top: 22px;
}

.page-about .service-note{
  background: var(--cream);
  border: 1px solid rgba(232,195,122,.7);
  border-radius: 2px;
  padding: 20px 20px 22px;
}

.page-about .service-note__h{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--wine);
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--cream-2);
}

.page-about .service-note__list{
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .service-note__list li{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 12px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(230,220,200,.9);
  font-size: 14px;
}

.page-about .service-note__list li:last-child{
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .service-note__k{
  color: var(--taupe);
}

.page-about .service-note__v{
  color: var(--wine);
  font-weight: 500;
  text-align: right;
}

/* ---------- 回访痕迹 ---------- */
.page-about .about-traces{
  background: var(--green);
  color: var(--cream);
  position: relative;
  overflow: hidden;
}

.page-about .about-traces::after{
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(45deg, rgba(255,255,255,.04) 0 1px, transparent 1px 9px);
  pointer-events: none;
}

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

.page-about .about-traces .section-head{
  border-top-color: rgba(232,195,122,.32);
}

.page-about .about-traces .section-head__num{
  color: var(--gold);
}

.page-about .about-traces .section-head__title{
  color: var(--cream);
}

.page-about .about-traces__text{
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245,239,227,.84);
  margin: 0 0 30px;
}

.page-about .facts{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(232,195,122,.35);
  border: 1px solid rgba(232,195,122,.35);
}

@media (min-width: 760px){
  .page-about .facts{
    grid-template-columns: repeat(4, 1fr);
  }
}

.page-about .fact{
  background: var(--green-mid);
  padding: 22px 16px 24px;
}

.page-about .fact__num{
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(28px, 6vw, 38px);
  line-height: 1.1;
  color: var(--gold-lt);
  margin: 0 0 6px;
}

.page-about .fact__lab{
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(245,239,227,.72);
  margin: 0;
  letter-spacing: .04em;
}

.page-about .about-traces__links{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 结尾 ---------- */
.page-about .about-cta{
  background: var(--cream-2);
  border-top: 1px solid rgba(232,195,122,.7);
  padding: 46px 0;
}

@media (min-width: 900px){
  .page-about .about-cta{
    padding: 60px 0;
  }
}

.page-about .about-cta__grid{
  display: grid;
  gap: 24px;
}

@media (min-width: 820px){
  .page-about .about-cta__grid{
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
  }
}

.page-about .about-cta__title{
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1.28;
  color: var(--wine);
  margin: 0 0 10px;
}

.page-about .about-cta__text{
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.75;
  color: #4a4038;
}

.page-about .about-cta__links{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
<<<END>>>