.page-contact{
  --pc-line: rgba(157,180,194,.16);
  --pc-line-soft: rgba(157,180,194,.09);
  --pc-gap: clamp(1.25rem, 3vw, 2.2rem);
  color: var(--paper);
  padding-bottom: clamp(2.8rem, 7vw, 5rem);
}

/* 面包屑 */
.page-contact .breadcrumb{
  padding-top: clamp(.9rem, 2.4vw, 1.4rem);
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--steel);
}

/* 首屏 */
.page-contact .contact-hero{
  padding-top: clamp(1.6rem, 5vw, 3.2rem);
  max-width: 44rem;
}
.page-contact .contact-hero .tag{
  margin: 0;
}
.page-contact .contact-hero h1{
  margin: .75rem 0 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 5.6vw, 3.7rem);
  line-height: 1.04;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-contact .contact-hero .lede{
  margin: 1rem 0 0;
  max-width: 34em;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.9;
  color: var(--mist);
}
.page-contact .hero-links{
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.5rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

/* 双栏：渠道 + 路网 */
.page-contact .contact-stage{
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(2.2rem, 5.5vw, 3.6rem);
}
.page-contact .channels{
  display: grid;
  gap: .8rem;
  align-content: start;
}
.page-contact .mini-head{
  margin: 0 0 .9rem;
  display: flex;
  align-items: center;
  gap: .65rem;
  font-family: var(--f-body);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--mist);
}
.page-contact .mini-head::before{
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--orange);
  flex: none;
}
.page-contact .channel{
  position: relative;
  padding: clamp(1rem, 2.4vw, 1.5rem);
  background: var(--panel);
  border: 1px solid var(--pc-line);
  border-left: 2px solid var(--cyan);
  border-radius: 2px 14px 14px 2px;
}
.page-contact .channel--addr{
  border-left-color: var(--steel);
}
.page-contact .channel__k{
  margin: 0;
  font-family: var(--f-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--steel);
}
.page-contact .channel__value{
  margin: .5rem 0 .4rem;
  font-family: var(--f-mono);
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  line-height: 1.35;
  letter-spacing: .01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.page-contact .channel--tel .channel__value{
  font-size: clamp(1.7rem, 5.4vw, 2.6rem);
  color: var(--cyan);
}
.page-contact .channel__desc{
  margin: 0;
  max-width: 32em;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .map-panel{
  display: grid;
  gap: .85rem;
  align-content: start;
}
.page-contact .route-map{
  position: relative;
  isolation: isolate;
  aspect-ratio: 6 / 5;
  overflow: hidden;
  border: 1px solid var(--pc-line);
  border-radius: 4px 20px 20px 20px;
  background:
    radial-gradient(circle at 76% 16%, rgba(51,224,212,.16), transparent 58%),
    radial-gradient(circle at 14% 88%, rgba(255,122,47,.12), transparent 52%),
    var(--zone-teal);
}
.page-contact .route-map img{
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .44;
}
.page-contact .route-map svg{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.page-contact .map-panel .note{
  margin: 0;
  color: var(--steel);
}

/* 提交材料 */
.page-contact .materials{
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(2.8rem, 6.5vw, 4.6rem);
}
.page-contact .materials__lede{
  margin: 0 0 1rem;
  max-width: 32em;
  font-size: .97rem;
  line-height: 1.85;
  color: var(--mist);
}
.page-contact .checklist{
  display: grid;
  gap: .65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .check-item{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .9rem;
  align-items: start;
  padding: clamp(.9rem, 2.2vw, 1.15rem);
  background: var(--panel);
  border: 1px solid var(--pc-line);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color .24s var(--ease), background-color .24s var(--ease);
}
.page-contact .check-item:hover{
  border-color: rgba(157,180,194,.32);
}
.page-contact .check-item input[type="checkbox"]{
  appearance: none;
  -webkit-appearance: none;
  display: grid;
  place-content: center;
  width: 22px;
  height: 22px;
  margin: 3px 0 0;
  border: 1.5px solid var(--steel);
  border-radius: 6px;
  background: transparent;
  color: var(--graphite);
  cursor: pointer;
  flex: none;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
.page-contact .check-item input[type="checkbox"]::after{
  content: "";
  width: 10px;
  height: 5px;
  border-left: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg) scale(0);
  transition: transform .2s var(--ease);
}
.page-contact .check-item input[type="checkbox"]:checked{
  background: var(--cyan);
  border-color: var(--cyan);
}
.page-contact .check-item input[type="checkbox"]:checked::after{
  transform: rotate(-45deg) scale(1);
}
.page-contact .check-item input[type="checkbox"]:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-contact .check-item:has(input:checked){
  border-color: rgba(51,224,212,.42);
  background: rgba(18,48,57,.55);
}
.page-contact .check-body{
  display: block;
  min-width: 0;
}
.page-contact .check-head{
  display: flex;
  align-items: baseline;
  gap: .55rem;
}
.page-contact .check-num{
  font-family: var(--f-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--orange);
}
.page-contact .check-title{
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
  transition: color .2s var(--ease);
}
.page-contact .check-item:has(input:checked) .check-title{
  color: var(--cyan);
}
.page-contact .check-desc{
  display: block;
  margin-top: .35rem;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .shot{
  margin: 0;
  align-self: start;
  overflow: hidden;
  border: 1px solid var(--pc-line);
  border-radius: 14px;
  background: var(--panel);
}
.page-contact .shot img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-contact .shot figcaption{
  padding: .75rem .95rem;
  border-top: 1px solid var(--pc-line-soft);
  color: var(--steel);
}

/* 响应安排 */
.page-contact .response{
  margin-top: clamp(2.8rem, 6.5vw, 4.6rem);
}
.page-contact .resp-grid{
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--pc-line);
  border-radius: 14px;
  background: var(--pc-line);
}
.page-contact .resp{
  padding: clamp(1.05rem, 2.6vw, 1.7rem);
  background: var(--graphite);
}
.page-contact .resp__k{
  margin: 0;
  font-family: var(--f-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--steel);
}
.page-contact .resp__num{
  margin: .5rem 0 .45rem;
  font-family: var(--f-mono);
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.15;
  color: var(--orange);
}
.page-contact .resp:nth-child(2) .resp__num{
  color: var(--cyan);
}
.page-contact .resp__d{
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--mist);
}

/* 常见反馈类型 */
.page-contact .types{
  margin-top: clamp(2.8rem, 6.5vw, 4.6rem);
}
.page-contact .types__list{
  display: grid;
  gap: .8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .type{
  position: relative;
  padding: clamp(1rem, 2.4vw, 1.4rem) clamp(1rem, 2.4vw, 1.5rem);
  background: linear-gradient(158deg, rgba(18,48,57,.72), rgba(19,27,33,.92));
  border: 1px solid var(--pc-line);
  border-radius: 4px 14px 14px 14px;
}
.page-contact .type::before{
  content: "";
  position: absolute;
  top: clamp(1rem, 2.4vw, 1.4rem);
  right: clamp(1rem, 2.4vw, 1.5rem);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}
.page-contact .type__tag{
  margin: 0 0 .5rem;
  font-family: var(--f-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--cyan);
}
.page-contact .type__d{
  margin: 0;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--mist);
}
.page-contact .types__foot{
  margin: 1.2rem 0 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--steel);
}
.page-contact .types__foot .link-arrow{
  margin-left: .3rem;
}

/* 地址与备案通栏 */
.page-contact .addr-band{
  margin-top: clamp(2.8rem, 6.5vw, 4.4rem);
  padding: clamp(1.4rem, 3.6vw, 2.4rem);
  display: grid;
  gap: 1rem;
  background: var(--zone-indigo);
  clip-path: polygon(0 1.4%, 100% 0, 100% 98.6%, 0 100%);
}
.page-contact .visually-plain{
  margin: 0;
  font-family: var(--f-mono);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .16em;
  color: rgba(157,180,194,.85);
}
.page-contact .addr-band__row{
  display: grid;
  gap: .2rem;
  padding-top: .8rem;
  border-top: 1px solid rgba(157,180,194,.18);
}
.page-contact .addr-band__k{
  margin: 0;
  font-family: var(--f-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: rgba(157,180,194,.8);
}
.page-contact .addr-band__v{
  margin: 0;
  font-family: var(--f-mono);
  font-size: clamp(.95rem, 2.4vw, 1.15rem);
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.page-contact .addr-band__note{
  margin: .4rem 0 0;
  font-size: .86rem;
  line-height: 1.7;
  color: rgba(233,239,243,.72);
}

/* 延伸入口 */
.page-contact .next-steps{
  margin-top: clamp(2.4rem, 5.5vw, 3.6rem);
  padding-top: 1.4rem;
  border-top: 1px solid var(--pc-line);
}
.page-contact .next-steps ul{
  display: grid;
  gap: .8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* 平板及以上 */
@media (min-width: 760px){
  .page-contact .resp-grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .types__list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }
  .page-contact .addr-band{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(1.5rem, 4vw, 3rem);
  }
  .page-contact .addr-band .visually-plain,
  .page-contact .addr-band__note{
    grid-column: 1 / -1;
  }
  .page-contact .next-steps ul{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .9rem 1.6rem;
  }
}

/* 桌面双栏 */
@media (min-width: 900px){
  .page-contact .contact-hero{
    width: 76%;
    margin-left: auto;
  }
  .page-contact .contact-stage{
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .materials{
    grid-template-columns: minmax(0, 1fr) minmax(0, .72fr);
    align-items: start;
  }
  .page-contact .route-map{
    aspect-ratio: 5 / 4;
  }
}

@media (min-width: 1100px){
  .page-contact .next-steps ul{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .contact-stage{
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .check-item,
  .page-contact .check-item input[type="checkbox"],
  .page-contact .check-item input[type="checkbox"]::after,
  .page-contact .check-title{
    transition: none;
  }
}