.page-contact{
  --pc-warm-ink:#2A2418;
  --pc-pad-y:clamp(48px,7vw,96px);
  position:relative;
  background:var(--ink-deep);
  color:var(--paper);
  font-family:var(--font-body);
  line-height:1.75;
  overflow-x:clip;
}

.page-contact h2{
  font-family:var(--font-display);
  font-size:clamp(1.65rem,4.6vw,2.7rem);
  line-height:1.08;
  font-weight:700;
  letter-spacing:.01em;
  margin:.32em 0 .6em;
}

.page-contact h3{
  font-family:var(--font-body);
  font-size:1.0625rem;
  font-weight:700;
  line-height:1.4;
  margin:0 0 .5em;
}

.page-contact p{
  margin:0 0 1em;
  color:rgba(243,247,244,.78);
}

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

.page-contact .breadcrumb{
  margin-bottom:clamp(18px,3vw,28px);
  font-size:.8125rem;
  letter-spacing:.02em;
  color:var(--sage);
}

.page-contact .breadcrumb a{
  color:var(--paper);
  text-decoration:none;
  border-bottom:1px solid transparent;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible{
  border-bottom-color:var(--signal);
}

.page-contact .breadcrumb__sep{
  margin:0 .5em;
  color:var(--concrete);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero{
  position:relative;
  padding:clamp(28px,4vw,52px) 0 clamp(28px,4vw,48px);
  background-image:
    radial-gradient(120% 90% at 88% 10%, rgba(255,107,26,.14), transparent 62%),
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, var(--line-soft) 0 1px, transparent 1px 88px);
  border-bottom:1px solid var(--line);
}

.page-contact .contact-hero__grid{
  display:grid;
  gap:clamp(24px,4vw,44px);
  align-items:end;
}

.page-contact .contact-hero h1{
  font-family:var(--font-display);
  font-size:clamp(2.3rem,8vw,4.6rem);
  line-height:1.02;
  font-weight:700;
  letter-spacing:.005em;
  margin:.28em 0 .5em;
  max-width:16em;
  text-wrap:balance;
}

.page-contact .contact-hero__intro{
  max-width:36em;
  font-size:clamp(.95rem,1.6vw,1.0625rem);
}

.page-contact .contact-hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:clamp(18px,3vw,28px);
}

.page-contact .contact-hero__media{
  position:relative;
  margin:0;
  border:1px solid var(--line-strong);
  background:linear-gradient(155deg, rgba(45,56,53,.6), rgba(8,28,23,.95));
  clip-path:polygon(0 0, 100% 3%, 100% 100%, 0 97%);
  overflow:hidden;
}

.page-contact .contact-hero__media img{
  display:block;
  width:100%;
  height:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  max-width:100%;
}

.page-contact .contact-hero__media .media-frame__caption{
  position:absolute;
  left:14px;
  bottom:12px;
  padding:3px 9px;
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.08em;
  color:var(--paper);
  background:rgba(8,28,23,.72);
  border-left:2px solid var(--signal);
}

.page-contact .contact-hero__flow{
  margin-top:clamp(24px,4vw,40px);
}

.page-contact .contact-hero__flow svg{
  display:block;
  width:100%;
  height:54px;
  color:var(--signal);
}

.page-contact .contact-hero__flow path{
  fill:none;
  stroke:currentColor;
  stroke-width:1.4;
  vector-effect:non-scaling-stroke;
}

.page-contact .contact-hero__flow circle{
  fill:var(--signal);
}

/* ---------- 联系方式与时段 ---------- */

.page-contact .contact-channels{
  padding:var(--pc-pad-y) 0;
  background:linear-gradient(180deg, rgba(16,26,24,.35), rgba(8,28,23,0));
}

.page-contact .contact-channels__grid{
  display:grid;
  gap:clamp(26px,4vw,48px);
}

.page-contact .contact-channels h2{
  max-width:20em;
}

.page-contact .contact-channels__details{
  margin-top:clamp(18px,3vw,26px);
  border-top:1px solid var(--line);
  padding-top:14px;
}

.page-contact .contact-channels__details summary{
  cursor:pointer;
  font-weight:700;
  font-size:.9375rem;
  color:var(--paper);
  list-style:none;
  display:flex;
  align-items:center;
  gap:10px;
  padding:6px 0;
}

.page-contact .contact-channels__details summary::-webkit-details-marker{
  display:none;
}

.page-contact .contact-channels__details summary::before{
  content:"";
  width:9px;
  height:9px;
  flex:none;
  border-right:2px solid var(--signal);
  border-bottom:2px solid var(--signal);
  transform:rotate(45deg);
  transition:transform .2s ease;
}

.page-contact .contact-channels__details[open] summary::before{
  transform:rotate(-135deg);
}

.page-contact .contact-channels__details summary:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}

.page-contact .contact-channels__details p{
  margin:.6em 0 0;
  font-size:.9375rem;
  padding-left:19px;
  border-left:1px solid var(--line-strong);
}

.page-contact .contact-channels__panel{
  padding:clamp(20px,3.4vw,30px);
  border:1px solid var(--line-strong);
  border-top:3px solid var(--signal);
  background:linear-gradient(160deg, rgba(16,26,24,.96), rgba(8,28,23,.9));
}

.page-contact .contact-channels__panel-title{
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--cyan);
  margin:0 0 14px;
}

.page-contact .contact-data{
  margin:0;
  display:grid;
  gap:2px;
}

.page-contact .contact-data__row{
  display:grid;
  gap:2px;
  padding:12px 0;
  border-bottom:1px solid var(--line);
}

.page-contact .contact-data__label{
  font-size:.75rem;
  letter-spacing:.1em;
  color:var(--sage);
}

.page-contact .contact-data__value{
  margin:0;
  font-size:clamp(1rem,2.4vw,1.1875rem);
  color:var(--paper);
  word-break:break-word;
}

.page-contact .contact-data__value--mono{
  font-family:var(--font-mono);
  letter-spacing:.01em;
  color:var(--cyan);
}

.page-contact .contact-data__note{
  margin:14px 0 0;
  font-size:.875rem;
  color:var(--sage);
  line-height:1.7;
}

/* ---------- 咨询分类 ---------- */

.page-contact .contact-routes{
  padding:var(--pc-pad-y) 0;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(45,56,53,.22), rgba(8,28,23,0) 70%);
}

.page-contact .contact-routes__head{
  max-width:44em;
}

.page-contact .contact-routes__lede{
  font-size:1rem;
}

.page-contact .contact-routes__grid{
  display:grid;
  gap:clamp(24px,4vw,44px);
  margin-top:clamp(24px,4vw,40px);
}

.page-contact .contact-routes__jumps{
  display:flex;
  gap:8px;
  overflow-x:auto;
  padding-bottom:6px;
  scrollbar-width:thin;
}

.page-contact .route-jump{
  flex:none;
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:9px 14px;
  text-decoration:none;
  color:var(--paper);
  font-size:.875rem;
  border:1px solid var(--line-strong);
  border-left:2px solid var(--signal);
  background:rgba(16,26,24,.7);
  transition:background .2s ease, border-color .2s ease;
}

.page-contact .route-jump__num{
  font-family:var(--font-mono);
  font-size:.6875rem;
  color:var(--signal);
}

.page-contact .route-jump:hover,
.page-contact .route-jump:focus-visible{
  background:rgba(255,107,26,.14);
  border-color:var(--signal);
  outline:none;
}

.page-contact .contact-routes__media{
  margin:clamp(18px,3vw,26px) 0 0;
  border:1px solid var(--line);
  overflow:hidden;
  background:linear-gradient(150deg, rgba(45,56,53,.55), rgba(8,28,23,.9));
}

.page-contact .contact-routes__media img{
  display:block;
  width:100%;
  height:auto;
  aspect-ratio:3/2;
  object-fit:cover;
}

.page-contact .contact-routes__media .media-frame__caption{
  display:block;
  padding:8px 12px;
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.08em;
  color:var(--sage);
  border-top:1px solid var(--line);
}

.page-contact .contact-routes__list{
  display:grid;
  gap:clamp(18px,3vw,28px);
}

.page-contact .route-card{
  padding:clamp(18px,3vw,26px);
  border-left:2px solid var(--concrete);
  background:linear-gradient(90deg, rgba(45,56,53,.28), rgba(45,56,53,0) 72%);
  scroll-margin-top:calc(var(--header-h) + 24px);
  transition:border-color .25s ease, background .25s ease;
}

.page-contact .route-card:hover,
.page-contact .route-card:target{
  border-left-color:var(--signal);
  background:linear-gradient(90deg, rgba(255,107,26,.12), rgba(45,56,53,0) 70%);
}

.page-contact .route-card__title{
  font-family:var(--font-display);
  font-size:clamp(1.2rem,3vw,1.5rem);
  letter-spacing:.02em;
  margin-bottom:.45em;
}

.page-contact .route-card__text{
  font-size:.9375rem;
}

.page-contact .route-card__need{
  list-style:none;
  margin:14px 0 0;
  padding:0;
  display:grid;
  gap:6px;
}

.page-contact .route-card__need li{
  position:relative;
  padding-left:18px;
  font-size:.875rem;
  color:rgba(243,247,244,.86);
}

.page-contact .route-card__need li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:8px;
  height:1px;
  background:var(--cyan);
}

/* ---------- 合作与媒体 ---------- */

.page-contact .contact-partner{
  padding:var(--pc-pad-y) 0;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(16,26,24,.5), rgba(8,28,23,0));
}

.page-contact .contact-partner__head{
  max-width:40em;
}

.page-contact .contact-partner__grid{
  display:grid;
  gap:1px;
  margin-top:clamp(22px,3.5vw,36px);
  background:var(--line);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

.page-contact .contact-partner__item{
  padding:clamp(18px,3vw,28px);
  background:var(--ink-deep);
}

.page-contact .contact-partner__item h3{
  color:var(--paper);
}

.page-contact .contact-partner__item h3::before{
  content:"";
  display:inline-block;
  width:7px;
  height:7px;
  margin-right:9px;
  vertical-align:middle;
  background:var(--print-yellow);
}

.page-contact .contact-partner__item p{
  font-size:.9375rem;
}

/* ---------- 准备清单 ---------- */

.page-contact .contact-prep{
  padding:var(--pc-pad-y) 0;
  border-top:1px solid var(--line);
}

.page-contact .contact-prep__head{
  max-width:42em;
}

.page-contact .contact-prep__list{
  list-style:none;
  margin:clamp(24px,4vw,40px) 0 0;
  padding:0;
  display:grid;
  gap:1px;
  background:var(--line);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

.page-contact .contact-prep__list li{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:4px 14px;
  align-items:baseline;
  padding:clamp(16px,3vw,26px);
  background:var(--ink-deep);
}

.page-contact .contact-prep__list li h3{
  margin:0;
  font-size:.9375rem;
  letter-spacing:.02em;
}

.page-contact .contact-prep__list li p{
  grid-column:2;
  margin:.4em 0 0;
  font-size:.875rem;
  color:rgba(243,247,244,.72);
}

.page-contact .contact-prep__num{
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.08em;
  color:var(--signal);
  padding-top:.2em;
}

/* ---------- 地址与备案 ---------- */

.page-contact .contact-facts{
  padding:0 0 var(--pc-pad-y);
}

.page-contact .contact-facts__bar{
  display:grid;
  gap:clamp(14px,2.6vw,22px);
  padding:clamp(18px,3vw,26px);
  background:var(--paper-warm);
  color:var(--pc-warm-ink);
  border-left:4px solid var(--print-yellow);
}

.page-contact .contact-facts__title{
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  font-weight:400;
  color:#5C5340;
  margin:0;
}

.page-contact .contact-facts__data{
  margin:0;
  display:flex;
  flex-wrap:wrap;
  gap:14px clamp(24px,4vw,56px);
}

.page-contact .contact-facts__row{
  min-width:0;
}

.page-contact .contact-facts__row dt{
  font-size:.6875rem;
  letter-spacing:.1em;
  color:#6E6450;
  margin-bottom:2px;
}

.page-contact .contact-facts__row dd{
  margin:0;
  font-size:.9375rem;
  color:var(--pc-warm-ink);
  word-break:break-word;
}

.page-contact .contact-facts__mono{
  font-family:var(--font-mono);
}

/* ---------- 尾段快捷 ---------- */

.page-contact .contact-after{
  padding:0 0 clamp(48px,7vw,88px);
}

.page-contact .contact-after__grid{
  display:grid;
  gap:clamp(22px,3.5vw,40px);
  padding-top:clamp(28px,4vw,44px);
  border-top:1px solid var(--line-strong);
}

.page-contact .contact-after__lead{
  max-width:34em;
}

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

.page-contact .contact-after__links li{
  background:var(--ink-deep);
}

.page-contact .contact-after__links a{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:14px clamp(12px,2vw,18px);
  color:var(--paper);
  text-decoration:none;
  font-size:.9375rem;
  border-left:2px solid transparent;
  transition:border-color .2s ease, background .2s ease, color .2s ease;
}

.page-contact .contact-after__links a span{
  font-family:var(--font-mono);
  color:var(--signal);
}

.page-contact .contact-after__links a:hover,
.page-contact .contact-after__links a:focus-visible{
  border-left-color:var(--signal);
  background:rgba(255,107,26,.1);
  outline:none;
}

/* ---------- 响应式 ---------- */

@media (min-width:720px){
  .page-contact .contact-data__row{
    grid-template-columns:9em 1fr;
    align-items:baseline;
    gap:12px;
  }

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

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

  .page-contact .contact-facts__bar{
    grid-template-columns:8em minmax(0,1fr);
    align-items:start;
  }

  .page-contact .contact-facts__title{
    padding-top:4px;
  }

  .page-contact .contact-after__grid{
    grid-template-columns:minmax(0,5fr) minmax(0,6fr);
    align-items:start;
  }
}

@media (min-width:1000px){
  .page-contact .contact-hero__grid{
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    gap:clamp(32px,4vw,64px);
  }

  .page-contact .contact-hero__media{
    clip-path:polygon(0 0, 100% 4%, 100% 100%, 0 96%);
  }

  .page-contact .contact-channels__grid{
    grid-template-columns:minmax(0,6fr) minmax(0,5fr);
    gap:clamp(36px,5vw,72px);
    align-items:start;
  }

  .page-contact .contact-routes__grid{
    grid-template-columns:minmax(0,300px) minmax(0,1fr);
    gap:clamp(32px,4vw,64px);
    align-items:start;
  }

  .page-contact .contact-routes__rail{
    position:sticky;
    top:calc(var(--header-h) + 24px);
    align-self:start;
  }

  .page-contact .contact-routes__jumps{
    flex-direction:column;
    overflow:visible;
    padding-bottom:0;
  }

  .page-contact .route-jump{
    width:100%;
    padding:12px 14px;
  }
}

@media (min-width:1200px){
  .page-contact .contact-prep__list{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}

@media (prefers-reduced-motion:reduce){
  .page-contact .contact-channels__details summary::before,
  .page-contact .route-jump,
  .page-contact .route-card,
  .page-contact .contact-after__links a{
    transition:none;
  }
}
<<<END>>>