.page-contact{
  --card-shadow:6px 6px 0 rgba(0,0,0,.34);
  --card-shadow-hover:10px 10px 0 rgba(0,0,0,.42);
  display:block;
  color:var(--paper);
}

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

/* 面包屑 */
.page-contact .breadcrumbs{
  padding:clamp(1rem,3vw,1.4rem) 0 .4rem;
  font-size:.8rem;
  color:var(--gray);
}
.page-contact .breadcrumbs ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.35rem;
  margin:0;
  padding:0;
  list-style:none;
}
.page-contact .breadcrumbs li + li::before{
  content:"/";
  margin-right:.35rem;
  color:var(--gray);
}
.page-contact .breadcrumbs a{
  color:var(--mist);
  text-decoration:none;
}
.page-contact .breadcrumbs a:hover{color:var(--teal);}

/* 标题层级 */
.page-contact h2{
  margin:.55rem 0 0;
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(1.5rem,4.2vw,2.15rem);
  line-height:1.2;
  letter-spacing:-.015em;
  color:var(--paper);
}
.page-contact h3{
  margin:0 0 .45rem;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(1rem,2.6vw,1.12rem);
  line-height:1.4;
  color:var(--paper);
}
.page-contact .lede{
  margin:1rem 0 0;
  max-width:56ch;
  font-size:clamp(.95rem,2.4vw,1.02rem);
  line-height:1.78;
  color:var(--mist);
}

/* 首屏 */
.page-contact .contact-hero{
  padding:clamp(.6rem,2vw,1.2rem) 0 clamp(2rem,5vw,3rem);
}
.page-contact .contact-hero__grid{
  display:grid;
  gap:clamp(1.4rem,4vw,2.5rem);
  align-items:center;
}
.page-contact .contact-hero__title{
  margin:.65rem 0 0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(2rem,7.4vw,3.7rem);
  line-height:1.06;
  letter-spacing:-.025em;
  color:var(--paper);
}
.page-contact .contact-hero__title em{
  display:block;
  font-style:normal;
  color:var(--teal);
}
.page-contact .contact-hero__meta{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
  margin-top:1.4rem;
}
.page-contact .contact-hero__meta span{
  padding:.34rem .72rem;
  border:1px solid var(--line);
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:.71rem;
  letter-spacing:.05em;
  color:var(--mist);
}
.page-contact .contact-hero__meta span.is-signal{
  border-color:var(--orange);
  color:var(--orange);
}
.page-contact .contact-hero__frame{
  margin:0;
  border:2px solid var(--line-strong);
  border-radius:var(--radius);
  background:var(--grad-panel);
  box-shadow:var(--shadow-panel);
  overflow:hidden;
}
.page-contact .contact-hero__frame img{
  display:block;
  width:100%;
  height:auto;
  max-width:100%;
  object-fit:cover;
}

/* 三条路径 */
.page-contact .contact-channels{
  padding:clamp(1.6rem,4vw,2.6rem) 0;
}
.page-contact .contact-channels__grid{
  display:grid;
  gap:clamp(1.3rem,3.5vw,2.4rem);
}
.page-contact .contact-figure{
  margin:1.3rem 0 0;
  border:2px solid var(--line);
  border-radius:var(--radius);
  background:var(--grad-panel);
  box-shadow:var(--card-shadow);
  overflow:hidden;
}
.page-contact .contact-figure img{
  display:block;
  width:100%;
  height:auto;
  max-width:100%;
}
.page-contact .contact-figure figcaption{
  padding:.6rem .85rem;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:.71rem;
  letter-spacing:.08em;
  color:var(--gray);
}
.page-contact .channel-list{
  display:grid;
  gap:.9rem;
  margin:0;
  padding:0;
  list-style:none;
}
.page-contact .channel-card{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:.95rem;
  padding:1.05rem 1.1rem;
  border:2px solid var(--line);
  border-radius:var(--radius);
  background:var(--grad-panel);
  box-shadow:var(--card-shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within{
  transform:translate(-2px,-2px);
  border-color:var(--line-strong);
  box-shadow:var(--card-shadow-hover);
}
.page-contact .channel-card__icon{
  display:grid;
  place-items:center;
  width:2.5rem;
  height:2.5rem;
  border:2px solid var(--line-strong);
  border-radius:var(--radius);
  background:rgba(43,231,196,.07);
  color:var(--teal);
}
.page-contact .channel-card__label{
  margin:0;
  font-size:.7rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--orange);
}
.page-contact .channel-card__value{
  margin:.4rem 0 0;
  font-size:.86rem;
  line-height:1.55;
  letter-spacing:.02em;
  color:var(--paper);
  word-break:break-word;
}
.page-contact .channel-card__use{
  margin:.55rem 0 0;
  font-size:.9rem;
  line-height:1.72;
  color:var(--mist);
}
.page-contact .channel-card__meta{
  margin:.6rem 0 0;
  padding-top:.55rem;
  border-top:1px dashed var(--line);
  font-family:var(--font-mono);
  font-size:.71rem;
  letter-spacing:.03em;
  color:var(--gray);
}

/* 回复节奏与写法 */
.page-contact .contact-desk{
  padding:clamp(1.6rem,4vw,2.6rem) 0;
}
.page-contact .contact-desk__grid{
  display:grid;
  gap:clamp(1rem,2.6vw,1.4rem);
  margin-top:clamp(1.2rem,3vw,1.7rem);
}
.page-contact .contact-panel{
  padding:clamp(1.1rem,2.8vw,1.7rem);
  border:2px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(18,48,42,.96) 0%,rgba(14,38,32,.96) 100%);
  box-shadow:var(--card-shadow);
}
.page-contact .contact-panel__intro{
  margin:.2rem 0 0;
  font-size:.9rem;
  line-height:1.75;
  color:var(--mist);
}
.page-contact .day-track{
  margin:1.15rem 0 1.3rem;
}
.page-contact .day-track__bar{
  height:12px;
  border-radius:999px;
  background:var(--grad-signal);
  box-shadow:inset 0 0 0 2px rgba(43,231,196,.18);
}
.page-contact .day-track__labels{
  display:flex;
  justify-content:space-between;
  margin-top:.45rem;
  font-family:var(--font-mono);
  font-size:.69rem;
  letter-spacing:.06em;
  color:var(--gray);
}
.page-contact .sla-list{
  display:grid;
  gap:.7rem;
  margin:0;
  padding:0;
  list-style:none;
}
.page-contact .sla-item{
  padding:.75rem .9rem;
  border-left:2px solid var(--line-strong);
  border-radius:0 var(--radius) var(--radius) 0;
  background:rgba(12,31,26,.5);
  transition:background .25s ease,border-color .25s ease;
}
.page-contact .sla-item:hover{
  border-left-color:var(--teal);
  background:rgba(43,231,196,.07);
}
.page-contact .sla-item__head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:.4rem .8rem;
}
.page-contact .sla-item__label{
  font-weight:700;
  font-size:.94rem;
  color:var(--paper);
}
.page-contact .sla-item__value{
  font-family:var(--font-mono);
  font-size:.79rem;
  letter-spacing:.04em;
  color:var(--teal);
}
.page-contact .sla-item__note{
  margin:.4rem 0 0;
  font-size:.85rem;
  line-height:1.72;
  color:var(--mist);
}
.page-contact .sla-item__note a{
  color:var(--teal);
  text-decoration:underline;
  text-underline-offset:3px;
}
.page-contact .mail-template{
  margin:1.1rem 0 0;
  padding:1rem 1.05rem;
  background:#0A1A16;
  border:2px solid var(--line-strong);
  border-radius:var(--radius);
  font-family:var(--font-mono);
  font-size:.77rem;
  line-height:1.95;
  color:var(--mist);
  white-space:pre-wrap;
  word-break:break-word;
  overflow-x:auto;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.4);
}
.page-contact .mail-tips{
  display:grid;
  gap:.55rem;
  margin:1.05rem 0 0;
  padding:0;
  list-style:none;
}
.page-contact .mail-tips li{
  position:relative;
  padding-left:1.15rem;
  font-size:.87rem;
  line-height:1.72;
  color:var(--mist);
}
.page-contact .mail-tips li::before{
  content:"";
  position:absolute;
  left:0;
  top:.58em;
  width:.48rem;
  height:.48rem;
  border:2px solid var(--orange);
  border-radius:2px;
  transform:rotate(45deg);
}

/* 协作 */
.page-contact .contact-collab{
  padding:clamp(1.6rem,4vw,2.6rem) 0;
}
.page-contact .contact-collab__inner{
  padding:clamp(1.2rem,3vw,2rem);
  border:2px solid var(--line);
  border-radius:var(--radius);
  background:var(--grad-panel);
  box-shadow:var(--card-shadow);
}
.page-contact .partner-grid{
  display:grid;
  gap:.9rem;
  margin-top:1.4rem;
}
.page-contact .partner-card{
  padding:1rem 1.05rem;
  border:2px solid var(--line);
  border-radius:var(--radius);
  background:rgba(12,31,26,.55);
}
.page-contact .partner-card h3{
  font-size:1rem;
  margin-bottom:.4rem;
}
.page-contact .partner-card p{
  margin:0;
  font-size:.86rem;
  line-height:1.72;
  color:var(--mist);
}
.page-contact .partner-card__tag{
  margin:0 0 .5rem;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.12em;
  color:var(--orange);
}
.page-contact .flow{
  display:grid;
  gap:.85rem;
  margin:1.5rem 0 0;
  padding:0;
  list-style:none;
}
.page-contact .flow__step{
  padding:.95rem 1rem;
  border-left:2px solid var(--line-strong);
  border-radius:0 var(--radius) var(--radius) 0;
  background:rgba(43,231,196,.05);
}
.page-contact .flow__num{
  display:block;
  margin-bottom:.35rem;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.13em;
  color:var(--teal);
}
.page-contact .flow__step h3{
  font-size:.98rem;
  margin-bottom:.3rem;
}
.page-contact .flow__step p{
  margin:0;
  font-size:.85rem;
  line-height:1.68;
  color:var(--mist);
}

/* 地址与来访 */
.page-contact .contact-visit{
  padding:clamp(1.6rem,4vw,2.6rem) 0;
}
.page-contact .contact-visit__grid{
  display:grid;
  gap:1.1rem;
  margin-top:clamp(1.1rem,3vw,1.6rem);
}
.page-contact .visit-block{
  position:relative;
  padding:clamp(1.1rem,3vw,1.7rem);
  border:2px solid var(--line-strong);
  border-radius:var(--radius);
  background:var(--grad-panel);
  box-shadow:var(--card-shadow);
  overflow:hidden;
}
.page-contact .visit-block::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:6px;
  height:100%;
  background:var(--grad-signal);
}
.page-contact .visit-block__addr{
  margin:0 0 1rem;
  padding:.7rem .9rem;
  border:1px dashed var(--line-strong);
  border-radius:var(--radius);
  background:rgba(12,31,26,.62);
  font-family:var(--font-mono);
  font-size:clamp(.92rem,2.6vw,1.1rem);
  letter-spacing:.05em;
  color:var(--paper);
  word-break:break-word;
}
.page-contact .visit-points{
  display:grid;
  gap:.55rem;
  margin:0;
  padding:0;
  list-style:none;
}
.page-contact .visit-points li{
  position:relative;
  padding-left:1rem;
  font-size:.87rem;
  line-height:1.72;
  color:var(--mist);
}
.page-contact .visit-points li::before{
  content:"";
  position:absolute;
  left:0;
  top:.62em;
  width:.44rem;
  height:.44rem;
  border-radius:50%;
  background:var(--teal);
}
.page-contact .visit-hours{
  padding:clamp(1.1rem,3vw,1.5rem);
  border:2px solid var(--line);
  border-radius:var(--radius);
  background:rgba(12,31,26,.6);
}
.page-contact .hours-row{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:.3rem .8rem;
  padding:.55rem 0;
  border-bottom:1px dashed var(--line);
  font-size:.86rem;
  color:var(--mist);
}
.page-contact .hours-row:last-of-type{border-bottom:0;}
.page-contact .hours-row span:last-child{
  font-family:var(--font-mono);
  font-size:.79rem;
  letter-spacing:.04em;
  color:var(--teal);
}
.page-contact .visit-hours__note{
  margin:.9rem 0 0;
  font-size:.82rem;
  line-height:1.75;
  color:var(--gray);
}

/* 继续查看 */
.page-contact .contact-next{
  padding:0 0 clamp(2rem,5vw,3rem);
}
.page-contact .next-links{
  display:grid;
  gap:.7rem;
}
.page-contact .next-links a{
  display:block;
  padding:.95rem 1rem;
  border:2px solid var(--line);
  border-radius:var(--radius);
  background:rgba(12,31,26,.55);
  color:var(--paper);
  text-decoration:none;
  font-weight:700;
  font-size:.92rem;
  transition:border-color .25s ease,transform .25s ease,background .25s ease;
}
.page-contact .next-links a span{
  display:block;
  margin-top:.28rem;
  font-family:var(--font-mono);
  font-size:.69rem;
  font-weight:400;
  letter-spacing:.09em;
  color:var(--gray);
}
.page-contact .next-links a:hover{
  border-color:var(--teal);
  background:rgba(43,231,196,.07);
  transform:translateY(-2px);
}
.page-contact .contact-note{
  margin:1.2rem 0 0;
  font-size:.78rem;
  line-height:1.78;
  color:var(--gray);
}

/* 断点 */
@media (min-width:640px){
  .page-contact .next-links{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (min-width:760px){
  .page-contact .partner-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .page-contact .flow{grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;}
}

@media (min-width:900px){
  .page-contact .contact-hero__grid{grid-template-columns:minmax(0,6fr) minmax(0,4fr);}
  .page-contact .contact-channels__grid{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);align-items:start;}
  .page-contact .contact-desk__grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;}
  .page-contact .contact-visit__grid{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);align-items:start;}
}

@media (min-width:1000px){
  .page-contact .next-links{grid-template-columns:repeat(4,minmax(0,1fr));}
}

@media (prefers-reduced-motion: reduce){
  .page-contact .channel-card,
  .page-contact .sla-item,
  .page-contact .next-links a{transition:none;}
  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within,
  .page-contact .next-links a:hover{transform:none;}
}