.page-contact{
  --contact-hair: 1px solid rgba(46,90,80,.75);
  background: var(--ink);
  color: var(--white);
  padding-bottom: clamp(48px,8vw,96px);
}

.page-contact .breadcrumb{
  padding-top: clamp(18px,3vw,28px);
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero{
  position: relative;
  padding: clamp(14px,2.6vw,30px) 0 clamp(36px,6vw,72px);
  background:
    radial-gradient(120% 100% at 86% -12%, rgba(61,224,208,.15), transparent 62%),
    radial-gradient(90% 80% at -6% 8%, rgba(255,106,42,.13), transparent 58%);
}

.page-contact .contact-hero-inner{
  display: grid;
  gap: clamp(28px,4vw,48px);
  align-items: end;
}

.page-contact .contact-hero-copy{
  min-width: 0;
}

.page-contact .contact-hero h1{
  margin: clamp(12px,1.6vw,20px) 0 0;
  font-family: var(--font-sans);
  font-size: clamp(2.1rem, 6.2vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: -.03em;
  font-weight: 800;
  color: var(--white);
}

.page-contact .contact-hero .lede{
  margin-top: clamp(16px,2.4vw,24px);
  max-width: 46ch;
  color: var(--mist);
  line-height: 1.75;
}

.page-contact .hero-contact{
  display: grid;
  gap: 12px;
  margin-top: clamp(24px,3.4vw,36px);
  padding-top: clamp(18px,2.6vw,26px);
  border-top: var(--contact-hair);
}

.page-contact .hero-contact a{
  display: block;
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(46,90,80,.38), rgba(11,43,38,.24));
  text-decoration: none;
  color: var(--white);
  transition: border-color .25s var(--ease), transform .25s var(--ease), background .25s var(--ease);
}

.page-contact .hero-contact a:hover,
.page-contact .hero-contact a:focus-visible{
  border-color: var(--cyan);
  background: linear-gradient(180deg, rgba(46,90,80,.58), rgba(11,43,38,.3));
  transform: translateY(-2px);
}

.page-contact .hero-contact-key{
  display: block;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .hero-contact-value{
  display: block;
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: clamp(.92rem, 2.1vw, 1.22rem);
  line-height: 1.35;
  color: var(--orange);
  word-break: break-all;
}

.page-contact .contact-hero-media{
  margin: 0;
  border: var(--contact-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
  box-shadow: 0 28px 70px rgba(0,0,0,.35);
}

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

/* ---------- 通用节奏 ---------- */
.page-contact .section{
  padding-block: clamp(34px,5.6vw,70px);
}

.page-contact .section-head{
  margin-bottom: clamp(20px,3vw,32px);
}

.page-contact .section-head .page-title{
  color: var(--white);
  margin-top: 8px;
}

.page-contact .contact-hero .eyebrow,
.page-contact .contact-prep .eyebrow,
.page-contact .contact-coop .eyebrow,
.page-contact .contact-flow .eyebrow{
  color: var(--orange);
}

/* ---------- 联系信息卡 ---------- */
.page-contact .direct-card{
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--sand);
  border-radius: var(--radius);
  padding: clamp(22px,4vw,48px);
  box-shadow: 0 30px 70px rgba(0,0,0,.32);
}

.page-contact .direct-card .eyebrow{
  color: var(--ink-2);
  opacity: .7;
}

.page-contact .direct-card .page-title{
  color: var(--ink);
  margin-top: 8px;
}

.page-contact .direct-list{
  margin: clamp(18px,3vw,28px) 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(11,43,38,.2);
}

.page-contact .direct-row{
  padding: 18px 0;
  border-bottom: 1px solid rgba(11,43,38,.16);
  min-width: 0;
}

.page-contact .direct-row dt{
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(11,43,38,.62);
}

.page-contact .direct-row dd{
  margin: 8px 0 0;
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  line-height: 1.55;
  font-weight: 600;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .direct-row dd a{
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-contact .direct-row dd a:hover{
  color: var(--ink-2);
  text-decoration-color: var(--ink-2);
}

.page-contact .direct-note{
  margin: clamp(20px,3vw,28px) 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--orange);
  font-size: .95rem;
  line-height: 1.75;
  color: rgba(11,43,38,.78);
}

/* ---------- 咨询准备 ---------- */
.page-contact .prep-grid{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: clamp(14px,2vw,20px);
}

.page-contact .prep-item{
  position: relative;
  min-width: 0;
  padding: clamp(20px,3vw,30px);
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(18,61,53,.94), rgba(11,43,38,.92));
}

.page-contact .prep-no{
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 7vw, 3.8rem);
  line-height: 1;
  font-weight: 700;
  color: var(--orange);
}

.page-contact .prep-item h3{
  margin: 0 0 8px;
  font-size: clamp(1.05rem, 1.8vw, 1.24rem);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .prep-item p{
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .prep-item a{
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .prep-item--wide{
  border-color: rgba(255,106,42,.42);
  background: linear-gradient(120deg, rgba(255,106,42,.14), rgba(18,61,53,.94) 58%);
}

/* ---------- 合作类型 ---------- */
.page-contact .coop-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: clamp(14px,2vw,20px);
}

.page-contact .coop-card{
  position: relative;
  min-width: 0;
  padding: clamp(20px,2.6vw,28px);
  border: 1px solid var(--grid);
  border-top: 2px solid var(--grid);
  border-radius: var(--radius);
  background: linear-gradient(170deg, rgba(18,61,53,.94), rgba(11,43,38,.96));
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.page-contact .coop-card:nth-child(1){ border-top-color: var(--orange); }
.page-contact .coop-card:nth-child(2){ border-top-color: var(--cyan); }
.page-contact .coop-card:nth-child(3){ border-top-color: var(--sand); }

.page-contact .coop-card:hover{
  transform: translateY(-3px);
  box-shadow: 0 20px 44px rgba(0,0,0,.38);
}

.page-contact .coop-tag{
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .coop-card h3{
  margin: 0 0 10px;
  font-size: clamp(1.1rem, 1.9vw, 1.3rem);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .coop-card p{
  margin: 0;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .coop-card .coop-fit{
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed rgba(143,168,160,.35);
  font-size: .84rem;
  line-height: 1.66;
  color: var(--sand);
}

.page-contact .coop-foot{
  margin: clamp(18px,2.6vw,26px) 0 0;
  max-width: 68ch;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 合作流程 ---------- */
.page-contact .flow-wrap{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: clamp(24px,4vw,44px);
  align-items: start;
}

.page-contact .flow-steps{
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
}

.page-contact .flow-step{
  counter-increment: step;
  position: relative;
  min-width: 0;
  padding: 0 0 clamp(22px,3vw,30px) 56px;
}

.page-contact .flow-step::before{
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
  color: var(--ink);
  background: var(--orange);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255,106,42,.14);
}

.page-contact .flow-step:not(:last-child)::after{
  content: "";
  position: absolute;
  left: 18px;
  top: 46px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, rgba(255,106,42,.55), rgba(46,90,80,.18));
}

.page-contact .flow-step h3{
  margin: 2px 0 6px;
  font-size: clamp(1rem, 1.6vw, 1.16rem);
  font-weight: 800;
  color: var(--white);
}

.page-contact .flow-step p{
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .flow-step a{
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .flow-media{
  margin: 0;
  border: var(--contact-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
}

.page-contact .flow-media img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .flow-note{
  margin: clamp(20px,3vw,28px) 0 0;
  padding: 16px 18px;
  border: 1px solid rgba(61,224,208,.32);
  border-radius: var(--radius);
  background: rgba(61,224,208,.06);
  font-size: .9rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 站点信息 ---------- */
.page-contact .contact-siteinfo{
  border-top: var(--contact-hair);
}

.page-contact .siteinfo-card{
  display: grid;
  gap: 18px;
  align-items: end;
}

.page-contact .siteinfo-title{
  margin: 0 0 8px;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .siteinfo-line{
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .03em;
  color: var(--mist);
}

.page-contact .siteinfo-links{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.page-contact .siteinfo-links a{
  font-size: .88rem;
  color: var(--sand);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(216,203,179,.35);
  transition: color .22s var(--ease), border-color .22s var(--ease);
}

.page-contact .siteinfo-links a:hover,
.page-contact .siteinfo-links a:focus-visible{
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 进入动效基线 ---------- */
.page-contact [data-reveal]{
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px){
  .page-contact .hero-contact{
    grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  }
}

@media (min-width: 720px){
  .page-contact .prep-grid{
    grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  }
  .page-contact .prep-item--wide{
    grid-column: 1 / -1;
  }
  .page-contact .direct-list{
    grid-template-columns: repeat(3, minmax(0,1fr));
    border-bottom: 1px solid rgba(11,43,38,.16);
  }
  .page-contact .direct-row{
    padding: 4px 22px 20px;
    border-bottom: 0;
    border-left: 1px solid rgba(11,43,38,.16);
  }
  .page-contact .direct-row:first-child{
    padding-left: 0;
    border-left: 0;
  }
  .page-contact .siteinfo-card{
    grid-template-columns: minmax(0,1fr) auto;
  }
}

@media (min-width: 860px){
  .page-contact .coop-list{
    grid-template-columns: repeat(3, minmax(0,1fr));
  }
}

@media (min-width: 900px){
  .page-contact .contact-hero-inner{
    grid-template-columns: minmax(0,1.04fr) minmax(0,.96fr);
  }
  .page-contact .flow-wrap{
    grid-template-columns: minmax(0,1.08fr) minmax(0,.92fr);
  }
}

@media (min-width: 1080px){
  .page-contact .contact-hero-copy{
    padding-right: clamp(8px,2vw,24px);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact [data-reveal]{
    transition: none;
  }
  .page-contact .coop-card:hover,
  .page-contact .hero-contact a:hover{
    transform: none;
  }
}