.page-contact{
  --contact-border: rgba(176,190,197,.16);
  --contact-glow-neon: 0 0 20px rgba(57,255,20,.14);
  --contact-glow-ember: 0 0 20px rgba(255,107,53,.16);
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(ellipse at 90% 8%, rgba(45,156,219,.10), transparent 55%),
    radial-gradient(ellipse at 8% 55%, rgba(255,107,53,.05), transparent 42%),
    linear-gradient(180deg, var(--color-gradient-start), var(--color-gradient-end) 130%);
  color: var(--color-text-hi);
  overflow: hidden;
}

@keyframes anbo-contact-pulse{
  0%{ transform: scale(.7); opacity:.6; }
  70%{ transform: scale(1.7); opacity:0; }
  100%{ opacity:0; }
}

/* ===== 首屏 ===== */
.page-contact .contact-hero{
  position: relative;
  padding: calc(var(--header-height) + var(--space-7)) 0 var(--space-8);
}

.page-contact .contact-hero__grid{
  display: grid;
  gap: var(--space-7);
  align-items: center;
}

.page-contact .contact-kicker{
  font-family: var(--font-data);
  font-size: .72rem;
  letter-spacing: .24em;
  color: var(--color-accent-neon);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
}

.page-contact .contact-hero h1{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 5.6vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: .02em;
  margin-bottom: var(--space-5);
}

.page-contact .contact-hero__lead{
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text-mid);
  max-width: 46rem;
  margin-bottom: var(--space-6);
}

.page-contact .contact-hero__channels{
  display: grid;
  gap: var(--space-4);
}

.page-contact .contact-hero__channel{
  position: relative;
  display: inline-flex;
  flex-direction: column;
  gap: .35rem;
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--contact-border);
  border-left-width: 3px;
  border-left-color: var(--color-accent-neon);
  background: rgba(18,42,74,.55);
  color: var(--color-text-hi);
  text-decoration: none;
  overflow: hidden;
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}

.page-contact .contact-hero__channel::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(57,255,20,.10) 50%, transparent 60%);
  transform: translateX(-150%);
  transition: transform .55s var(--ease);
}

.page-contact .contact-hero__channel:hover::after,
.page-contact .contact-hero__channel:focus-visible::after{
  transform: translateX(150%);
}

.page-contact .contact-hero__channel:hover,
.page-contact .contact-hero__channel:focus-visible{
  transform: translateX(5px);
  border-color: var(--color-accent-neon);
  box-shadow: var(--contact-glow-neon);
}

.page-contact .contact-hero__channel--ember{
  border-left-color: var(--color-accent-ember);
}

.page-contact .contact-hero__channel--ember:hover,
.page-contact .contact-hero__channel--ember:focus-visible{
  border-color: var(--color-accent-ember);
  box-shadow: var(--contact-glow-ember);
}

.page-contact .contact-hero__channel-label{
  font-family: var(--font-data);
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--color-text-low);
  text-transform: uppercase;
  transition: color .3s var(--ease);
}

.page-contact .contact-hero__channel:hover .contact-hero__channel-label,
.page-contact .contact-hero__channel:focus-visible .contact-hero__channel-label{
  color: var(--color-accent-neon);
}

.page-contact .contact-hero__channel--ember:hover .contact-hero__channel-label,
.page-contact .contact-hero__channel--ember:focus-visible .contact-hero__channel-label{
  color: var(--color-accent-ember);
}

.page-contact .contact-hero__channel-value{
  font-family: var(--font-data);
  font-size: 1.06rem;
  word-break: break-all;
  color: var(--color-text-hi);
}

.page-contact .contact-hero__visual{
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
}

.page-contact .contact-hero__visual img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .contact-hero__badge{
  position: absolute;
  right: var(--space-4);
  bottom: var(--space-4);
}

/* ===== 联络总线 ===== */
.page-contact .contact-bus{
  position: relative;
  padding: var(--space-9) 0 var(--space-8);
}

.page-contact .contact-bus::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-neon) 20%, var(--color-accent-ember) 80%, transparent);
  opacity: .4;
}

.page-contact .section-heading__body{
  min-width: 0;
}

.page-contact .contact-bus__heading{
  margin-bottom: var(--space-7);
}

.page-contact .contact-bus__lead,
.page-contact .contact-support__lead{
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.8;
  color: var(--color-text-mid);
}

.page-contact .contact-bus__grid{
  display: grid;
  gap: var(--space-6);
}

/* 卡片 */
.page-contact .bus-card{
  position: relative;
  border: 1px solid var(--contact-border);
  background:
    linear-gradient(135deg, rgba(45,156,219,.06), transparent 45%),
    rgba(18,42,74,.6);
  padding: var(--space-6);
  margin-bottom: var(--space-5);
}

.page-contact .bus-card::before{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 64px;
  height: 3px;
  background: var(--color-accent-sky);
  transform: skewX(-20deg) translateX(8px);
}

.page-contact .bus-card--phone::before{
  background: var(--color-accent-ember);
}

.page-contact .bus-card__top{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.page-contact .bus-card__index{
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1;
  color: var(--color-accent-neon);
  opacity: .75;
}

.page-contact .bus-card--phone .bus-card__index{
  color: var(--color-accent-ember);
}

.page-contact .bus-card h3{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.25rem;
  letter-spacing: .04em;
  margin: 0;
}

.page-contact .bus-card__intro{
  font-family: var(--font-body);
  font-size: .9rem;
  line-height: 1.8;
  color: var(--color-text-mid);
  margin-bottom: var(--space-5);
}

.page-contact .bus-card__mail{
  display: block;
  font-family: var(--font-data);
  font-size: 1.08rem;
  color: var(--color-accent-neon);
  text-decoration: none;
  padding: var(--space-3) 0;
  border-bottom: 1px dashed rgba(176,190,197,.18);
  transition: color .3s var(--ease), padding-left .3s var(--ease);
  word-break: break-all;
}

.page-contact .bus-card__mail:hover,
.page-contact .bus-card__mail:focus-visible{
  color: var(--color-accent-sky);
  padding-left: var(--space-2);
}

.page-contact .bus-card__mail--alt{
  color: var(--color-accent-sky);
}

.page-contact .bus-card__mail--alt:hover,
.page-contact .bus-card__mail--alt:focus-visible{
  color: var(--color-text-hi);
}

.page-contact .bus-card__note{
  font-family: var(--font-body);
  font-size: .78rem;
  line-height: 1.7;
  color: var(--color-text-low);
  margin-top: var(--space-3);
}

.page-contact .bus-card__phone{
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 3rem);
  letter-spacing: .04em;
  line-height: 1.15;
  color: var(--color-accent-ember);
  text-decoration: none;
  padding: var(--space-3) 0;
  border-bottom: 1px dashed rgba(176,190,197,.18);
  transition: color .3s var(--ease), text-shadow .3s var(--ease);
}

.page-contact .bus-card__phone:hover,
.page-contact .bus-card__phone:focus-visible{
  color: var(--color-text-hi);
  text-shadow: 0 0 24px rgba(255,107,53,.45);
}

/* 联络总线图 */
.page-contact .contact-bus__map{
  border: 1px solid var(--contact-border);
  background:
    linear-gradient(180deg, rgba(57,255,20,.04), transparent 40%),
    rgba(10,31,68,.8);
  padding: var(--space-6);
  align-self: start;
}

.page-contact .bus-map__title{
  font-family: var(--font-data);
  font-size: .72rem;
  letter-spacing: .24em;
  color: var(--color-text-low);
  margin-bottom: var(--space-6);
  text-transform: uppercase;
}

.page-contact .bus-map{
  display: flex;
  flex-direction: column;
}

.page-contact .bus-map__node{
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) 0;
}

.page-contact .bus-map__dot{
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent-neon);
  box-shadow: 0 0 12px rgba(57,255,20,.75);
  flex: 0 0 auto;
  position: relative;
}

.page-contact .bus-map__dot::after{
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--color-accent-neon);
  opacity: .4;
  animation: anbo-contact-pulse 2.4s ease-out infinite;
}

.page-contact .bus-map__dot--phone{
  background: var(--color-accent-ember);
  box-shadow: 0 0 12px rgba(255,107,53,.75);
}

.page-contact .bus-map__dot--phone::after{
  border-color: var(--color-accent-ember);
}

.page-contact .bus-map__dot--addr{
  background: var(--color-accent-sky);
  box-shadow: 0 0 12px rgba(45,156,219,.75);
}

.page-contact .bus-map__dot--addr::after{
  border-color: var(--color-accent-sky);
}

.page-contact .bus-map__wire{
  position: relative;
  height: 28px;
  margin-left: 5px;
  border-left: 1px dashed rgba(176,190,197,.3);
}

.page-contact .bus-map__node strong{
  display: block;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: .95rem;
  letter-spacing: .05em;
  color: var(--color-text-hi);
}

.page-contact .bus-map__node small{
  display: block;
  font-family: var(--font-data);
  font-size: .68rem;
  color: var(--color-text-low);
  margin-top: .3rem;
  word-break: break-all;
}

.page-contact .bus-map__foot{
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(176,190,197,.12);
  font-family: var(--font-body);
  font-size: .78rem;
  line-height: 1.7;
  color: var(--color-text-low);
}

/* ===== 备案通信地址 ===== */
.page-contact .contact-address{
  position: relative;
  padding: var(--space-9) 0;
  background:
    linear-gradient(120deg, rgba(255,107,53,.06), transparent 40%),
    rgba(10,31,68,.5);
}

.page-contact .contact-address::before{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-ember), transparent);
  opacity: .35;
}

.page-contact .contact-address__grid{
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

.page-contact .contact-address__heading{
  margin-bottom: var(--space-5);
}

.page-contact .address-stamp{
  position: relative;
  border: 1px solid rgba(176,190,197,.22);
  background:
    linear-gradient(135deg, rgba(45,156,219,.08), transparent 60%),
    rgba(18,42,74,.75);
  padding: var(--space-6);
  max-width: 620px;
}

.page-contact .address-stamp__over{
  display: inline-block;
  font-family: var(--font-data);
  font-size: .7rem;
  letter-spacing: .3em;
  color: var(--color-accent-ember);
  border-bottom: 2px solid var(--color-accent-ember);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-5);
  text-transform: uppercase;
}

.page-contact .address-stamp__text{
  font-family: var(--font-body);
  font-size: 1.18rem;
  line-height: 1.9;
  color: var(--color-text-hi);
  margin-bottom: var(--space-4);
}

.page-contact .address-stamp__icp{
  font-family: var(--font-data);
  font-size: .78rem;
  color: var(--color-accent-neon);
  margin-bottom: var(--space-4);
}

.page-contact .address-stamp__note{
  font-family: var(--font-body);
  font-size: .8rem;
  line-height: 1.8;
  color: var(--color-text-mid);
  border-top: 1px dashed rgba(176,190,197,.16);
  padding-top: var(--space-4);
}

.page-contact .contact-address__extra{
  font-family: var(--font-body);
  font-size: .82rem;
  line-height: 1.8;
  color: var(--color-text-mid);
  margin-top: var(--space-5);
  max-width: 560px;
}

.page-contact .contact-address__visual{
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
}

.page-contact .contact-address__visual img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform .6s var(--ease);
}

.page-contact .contact-address__visual:hover img{
  transform: scale(1.04);
}

.page-contact .contact-address__hint{
  position: absolute;
  right: var(--space-4);
  bottom: var(--space-4);
  display: inline-flex;
  align-items: center;
  font-family: var(--font-data);
  font-size: .68rem;
  letter-spacing: .1em;
  color: var(--color-text-hi);
  background: rgba(10,31,68,.8);
  border: 1px solid rgba(57,255,20,.35);
  border-radius: var(--radius-sm);
  padding: .45rem .8rem .45rem 1.4rem;
}

.page-contact .contact-address__hint::before{
  content: "";
  position: absolute;
  left: .7rem;
  top: 50%;
  margin-top: -.42rem;
  width: 8px;
  height: 8px;
  border: 1px solid var(--color-accent-neon);
  border-radius: 50%;
}

.page-contact .contact-address__hint::after{
  content: "";
  position: absolute;
  left: 1.15rem;
  top: calc(50% + 2px);
  width: 5px;
  height: 1px;
  background: var(--color-accent-neon);
  transform: rotate(45deg);
}

/* ===== 支持范围与时效 ===== */
.page-contact .contact-support{
  padding: var(--space-9) 0;
  position: relative;
}

.page-contact .contact-support__heading{
  margin-bottom: var(--space-7);
}

.page-contact .contact-support__steps{
  display: grid;
  gap: var(--space-5);
}

.page-contact .support-step{
  position: relative;
  border: 1px solid var(--contact-border);
  background: rgba(18,42,74,.45);
  padding: var(--space-6) var(--space-5);
  transition: background .35s var(--ease), transform .35s var(--ease), border-color .35s var(--ease);
}

.page-contact .support-step:hover{
  background: rgba(18,42,74,.85);
  border-color: rgba(176,190,197,.3);
  transform: translateY(-3px);
}

.page-contact .support-step__num{
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(57,255,20,.55);
  margin-bottom: var(--space-4);
}

.page-contact .support-step:nth-child(2) .support-step__num{
  -webkit-text-stroke-color: rgba(255,107,53,.65);
}

.page-contact .support-step:nth-child(3) .support-step__num{
  -webkit-text-stroke-color: rgba(45,156,219,.65);
}

.page-contact .support-step h3{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.18rem;
  letter-spacing: .05em;
  margin-bottom: var(--space-3);
}

.page-contact .support-step p{
  font-family: var(--font-body);
  font-size: .88rem;
  line-height: 1.85;
  color: var(--color-text-mid);
}

/* ===== 相关服务入口 ===== */
.page-contact .contact-more{
  padding-bottom: var(--space-9);
}

.page-contact .contact-more__grid{
  display: grid;
  gap: var(--space-4);
}

.page-contact .contact-more__item{
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: var(--space-5);
  border: 1px solid var(--contact-border);
  border-left: 2px solid var(--color-accent-sky);
  color: var(--color-text-hi);
  text-decoration: none;
  background: rgba(18,42,74,.3);
  transition: border-color .3s var(--ease), background .3s var(--ease), transform .3s var(--ease);
}

.page-contact .contact-more__item:hover,
.page-contact .contact-more__item:focus-visible{
  border-color: var(--color-accent-sky);
  background: rgba(18,42,74,.8);
  transform: translateX(4px);
}

.page-contact .contact-more__item--home{
  border-left-color: var(--color-accent-neon);
}

.page-contact .contact-more__item--home:hover,
.page-contact .contact-more__item--home:focus-visible{
  border-color: var(--color-accent-neon);
}

.page-contact .contact-more__tag{
  font-family: var(--font-data);
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--color-text-low);
  text-transform: uppercase;
}

.page-contact .contact-more__name{
  font-family: var(--font-body);
  font-size: .92rem;
}

/* ===== 平板及以上 ===== */
@media (min-width: 640px){
  .page-contact .contact-hero__channels{
    grid-template-columns: 1fr 1fr;
  }

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

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

/* ===== 桌面及以上 ===== */
@media (min-width: 960px){
  .page-contact .contact-hero{
    min-height: 70vh;
    display: flex;
    align-items: center;
  }

  .page-contact .contact-hero__grid{
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: var(--space-8);
  }

  .page-contact .contact-hero__lead{
    font-size: 1.1rem;
  }

  .page-contact .contact-bus__grid{
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    gap: var(--space-8);
  }

  .page-contact .contact-address__grid{
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: var(--space-8);
  }

  .page-contact .bus-card__mail{
    font-size: 1.25rem;
  }

  .page-contact .contact-address{
    padding: var(--space-10) 0;
  }

  .page-contact .contact-address__extra{
    font-size: .88rem;
  }
}