/* ===== 联系入口 · page-contact ===== */
.page-contact{
  --cg: clamp(1.1rem, 3vw, 2.4rem);
  --tick: rgba(200, 210, 220, .22);
  --glow-cyan: rgba(63, 224, 208, .26);
  display: block;
  background-image:
    radial-gradient(760px 380px at 84% -4%, rgba(63, 224, 208, .10), transparent 62%),
    radial-gradient(620px 340px at 2% 8%, rgba(242, 180, 92, .07), transparent 64%);
  background-repeat: no-repeat;
}

/* --- 面包屑 --- */
.page-contact .breadcrumb{
  margin: 0 0 clamp(1.2rem, 3vw, 2rem);
}
.page-contact .breadcrumb__list{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-sm);
  color: var(--rock-300);
}
.page-contact .breadcrumb__item + .breadcrumb__item::before{
  content: "/";
  margin-right: .5rem;
  color: rgba(200, 210, 220, .4);
}
.page-contact .breadcrumb__item a{
  color: var(--rock-300);
  text-decoration: none;
  transition: color .18s var(--ease);
}
.page-contact .breadcrumb__item a:hover{
  color: var(--cyan-400);
}
.page-contact .breadcrumb__item[aria-current="page"]{
  color: var(--cyan-200);
}

/* --- 首屏 --- */
.page-contact .contact-hero{
  padding-top: clamp(1.4rem, 3.5vw, 2.6rem);
}
.page-contact .hero-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 2.8rem);
  align-items: center;
}
.page-contact .hero-copy{
  max-width: 38rem;
}
.page-contact .hero-title{
  margin: .75rem 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 5.4vw, 3.3rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.012em;
  color: var(--paper-50);
}
.page-contact .hero-lede{
  margin: clamp(1rem, 2.4vw, 1.4rem) 0 0;
  max-width: 34rem;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--rock-300);
}
.page-contact .hero-tags{
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin: clamp(1.2rem, 3vw, 1.8rem) 0 0;
  padding: 0;
  list-style: none;
}

/* --- 框景媒体容器 --- */
.page-contact .media-frame__caption{
  padding: .7rem .95rem .8rem;
  font-size: var(--fs-tag);
  letter-spacing: .04em;
  line-height: 1.6;
  color: var(--rock-300);
  background: rgba(8, 17, 31, .7);
  border-top: 1px solid var(--line);
}
.page-contact .hero-frame{
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(150deg, rgba(63, 224, 208, .13), rgba(8, 17, 31, .92) 58%);
}
.page-contact .hero-frame::before,
.page-contact .hero-frame::after{
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 0 solid var(--cyan-400);
  opacity: .65;
  pointer-events: none;
  z-index: 2;
}
.page-contact .hero-frame::before{
  top: 14px;
  left: 14px;
  border-top-width: 1px;
  border-left-width: 1px;
}
.page-contact .hero-frame::after{
  right: 14px;
  bottom: 14px;
  border-right-width: 1px;
  border-bottom-width: 1px;
}
.page-contact .hero-frame img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* --- 三栏联系卡片 --- */
.page-contact .contact-cards{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  column-gap: var(--cg);
  row-gap: calc(var(--cg) * 1.15);
  margin-top: clamp(1.6rem, 4vw, 2.6rem);
}
.page-contact .contact-card{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .65rem;
  padding: clamp(1.5rem, 3vw, 2rem) clamp(1.1rem, 2.4vw, 1.6rem) clamp(1.2rem, 2.6vw, 1.6rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 38, 61, .75), rgba(8, 17, 31, .6));
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease), transform .18s var(--ease);
}
.page-contact .contact-card::before{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 9px;
  border-radius: var(--radius) var(--radius) 0 0;
  background-image: repeating-linear-gradient(90deg, var(--tick) 0 1px, transparent 1px 14px);
  opacity: .9;
  pointer-events: none;
}
.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within{
  border-color: var(--line-strong);
  box-shadow: 0 0 0 1px rgba(63, 224, 208, .16), 0 26px 52px -36px var(--glow-cyan);
  transform: translateY(-2px);
}
.page-contact .contact-card__head{
  display: flex;
  align-items: baseline;
  gap: .6rem;
}
.page-contact .contact-card__idx{
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: .16em;
  color: var(--cyan-400);
}
.page-contact .contact-card__label{
  margin: 0;
  font-family: var(--font-head);
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper-50);
}
.page-contact .contact-card__value{
  margin: .15rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(.98rem, 2.4vw, 1.2rem);
  line-height: 1.5;
  color: var(--cyan-200);
  overflow-wrap: anywhere;
  word-break: break-word;
  user-select: all;
}
.page-contact .contact-card__value--tel{
  font-size: clamp(1.5rem, 6vw, 2rem);
  font-weight: 600;
  letter-spacing: .01em;
}
.page-contact .contact-card__address{
  margin: .15rem 0 0;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--paper-50);
}
.page-contact .contact-card__address span{
  display: block;
}
.page-contact .contact-card__note{
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--rock-300);
}
.page-contact .contact-card__foot{
  display: flex;
  flex-direction: column;
  gap: .7rem;
  margin-top: auto;
  padding-top: .9rem;
  border-top: 1px dashed var(--line);
}
.page-contact .contact-card__hint{
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--rock-300);
}
.page-contact .contact-card__hint::before{
  content: "›";
  margin-right: .45rem;
  font-family: var(--font-mono);
  color: var(--cyan-400);
}
.page-contact .contact-card__link{
  align-self: flex-start;
  padding-bottom: 2px;
  font-size: var(--fs-sm);
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, .35);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.page-contact .contact-card__link:hover{
  color: var(--cyan-200);
  border-color: rgba(168, 243, 236, .6);
}

/* --- 分流决策条 --- */
.page-contact .route-layout{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 3rem);
  margin-top: clamp(1.4rem, 3.5vw, 2.4rem);
}
.page-contact .route-flow{
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-contact .route-flow__item{
  position: relative;
  padding: clamp(1rem, 2.4vw, 1.4rem) 0 clamp(1rem, 2.4vw, 1.4rem) 2.4rem;
  border-bottom: 1px solid var(--line);
}
.page-contact .route-flow__item::before{
  content: "";
  position: absolute;
  top: calc(clamp(1rem, 2.4vw, 1.4rem) + .5rem);
  left: .2rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 0 6px rgba(63, 224, 208, .09);
  transition: background .18s var(--ease), box-shadow .18s var(--ease);
}
.page-contact .route-flow__item::after{
  content: "";
  position: absolute;
  top: calc(clamp(1rem, 2.4vw, 1.4rem) + 1.5rem);
  bottom: 0;
  left: calc(.2rem + 4px);
  width: 1px;
  background: linear-gradient(180deg, rgba(63, 224, 208, .4), rgba(63, 224, 208, 0));
}
.page-contact .route-flow__item:hover::before{
  background: var(--gold-400);
  box-shadow: 0 0 0 7px rgba(242, 180, 92, .12);
}
.page-contact .route-flow__item:last-child::after{
  display: none;
}
.page-contact .route-flow__q{
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1rem, 2vw, 1.125rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper-50);
}
.page-contact .route-flow__num{
  margin-right: .6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: .12em;
  color: var(--cyan-400);
}
.page-contact .route-flow__a{
  margin: .45rem 0 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--rock-300);
}
.page-contact .route-flow__a a{
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, .35);
}
.page-contact .route-flow__a a:hover{
  color: var(--cyan-200);
}
.page-contact .route-figure{
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(27, 53, 82, .55), rgba(8, 17, 31, .9));
}
.page-contact .route-figure img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* --- 联系前准备清单 --- */
.page-contact .prepare-layout{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.8rem, 4vw, 3.4rem);
}
.page-contact .prepare-title{
  margin: .7rem 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--paper-50);
}
.page-contact .prepare-lede{
  margin: clamp(.9rem, 2.2vw, 1.2rem) 0 0;
  max-width: 26rem;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--rock-300);
}
.page-contact .prepare-list{
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-contact .prepare-item{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .35rem 1.1rem;
  align-items: start;
  padding: clamp(1rem, 2.4vw, 1.3rem) 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .prepare-item__num{
  padding-top: .28rem;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: .14em;
  color: var(--cyan-400);
}
.page-contact .prepare-item__body h3{
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper-50);
}
.page-contact .prepare-item__body p{
  margin: .3rem 0 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--rock-300);
}

/* --- 收尾入口 --- */
.page-contact .wrapup-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 3.5vw, 2.8rem);
  align-items: start;
}
.page-contact .wrapup-title{
  margin: .7rem 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--paper-50);
}
.page-contact .wrapup-lede{
  margin: clamp(.9rem, 2.2vw, 1.2rem) 0 0;
  max-width: 28rem;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--rock-300);
}
.page-contact .wrapup-links{
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-contact .wrapup-links li{
  border-bottom: 1px solid var(--line);
}
.page-contact .wrapup-links a{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .2rem 1.1rem;
  padding: clamp(1rem, 2.2vw, 1.25rem) 0;
  text-decoration: none;
  transition: background .18s var(--ease);
}
.page-contact .wrapup-links__kicker{
  grid-row: span 2;
  padding-top: .1rem;
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 2.6vw, 1.45rem);
  line-height: 1.2;
  color: var(--gold-400);
}
.page-contact .wrapup-links__title{
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper-50);
  transition: color .18s var(--ease);
}
.page-contact .wrapup-links__desc{
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--rock-300);
}
.page-contact .wrapup-links a:hover{
  background: rgba(63, 224, 208, .05);
}
.page-contact .wrapup-links a:hover .wrapup-links__title{
  color: var(--cyan-200);
}
.page-contact .wrapup-note{
  max-width: 52rem;
  margin: clamp(1.6rem, 3.5vw, 2.4rem) 0 0;
  padding-top: clamp(1rem, 2.4vw, 1.4rem);
  border-top: 1px solid var(--line);
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--rock-300);
}
.page-contact .wrapup-note a{
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, .32);
}
.page-contact .wrapup-note a:hover{
  color: var(--cyan-200);
}

/* --- 响应式 --- */
@media (min-width: 880px){
  .page-contact .contact-cards{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (min-width: 900px){
  .page-contact .hero-grid{
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(2rem, 4.5vw, 4.2rem);
  }
  .page-contact .prepare-layout{
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: start;
  }
  .page-contact .wrapup-grid{
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }
}
@media (min-width: 960px){
  .page-contact .route-layout{
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}
@media (max-width: 520px){
  .page-contact .route-flow__item{
    padding-left: 2rem;
  }
  .page-contact .prepare-item{
    grid-template-columns: minmax(0, 1fr);
    gap: .2rem;
  }
}
@media (prefers-reduced-motion: reduce){
  .page-contact .contact-card,
  .page-contact .route-flow__item::before,
  .page-contact .contact-card__link,
  .page-contact .wrapup-links a,
  .page-contact .wrapup-links__title{
    transition: none;
  }
  .page-contact .contact-card:hover,
  .page-contact .contact-card:focus-within{
    transform: none;
  }
}