.page-contact{
  display:block;
  background:var(--oy-cream);
  color:var(--oy-ink);
  font-family:var(--oy-sans);
  font-size:var(--oy-fs-3);
  line-height:1.75;
  padding-bottom:clamp(48px,8vw,96px);
}

/* 面包屑 */
.page-contact .ct-crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding-top:18px;
  padding-bottom:14px;
  font-family:var(--oy-mono);
  font-size:var(--oy-fs-1);
  color:var(--oy-taupe);
}
.page-contact .ct-crumbs a{
  color:var(--oy-taupe);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--oy-ease),color .2s var(--oy-ease);
}
.page-contact .ct-crumbs a:hover{
  color:var(--oy-navy);
  border-bottom-color:var(--oy-navy);
}
.page-contact .ct-crumbs .oy-crumbs__sep{
  color:var(--oy-sand);
}

/* 首屏信息板 */
.page-contact .ct-hero{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  background:linear-gradient(158deg,var(--oy-navy-deep) 0%,var(--oy-navy) 56%,#153c60 100%);
  color:var(--oy-cream);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 28px),calc(100% - 28px) 100%,0 100%);
}
.page-contact .ct-hero__texture{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  width:100%;
  height:62%;
  object-fit:cover;
  opacity:.28;
  mix-blend-mode:screen;
  z-index:-1;
  pointer-events:none;
}
.page-contact .ct-hero__inner{
  position:relative;
  z-index:1;
  padding-top:clamp(34px,6vw,72px);
  padding-bottom:clamp(38px,6vw,70px);
}
.page-contact .ct-hero__eyebrow{
  margin:0 0 14px;
  font-size:var(--oy-fs-1);
  letter-spacing:.22em;
  color:var(--oy-green-soft);
}
.page-contact .ct-hero__title{
  margin:0 0 18px;
  max-width:24em;
  color:var(--oy-cream);
  font-family:var(--oy-serif);
}
.page-contact .ct-hero__lede{
  max-width:36em;
  margin:0 0 clamp(26px,4vw,42px);
  color:rgba(244,237,225,.8);
}

/* 三项对接方式条带 */
.page-contact .ct-strip{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:1px;
  background:rgba(244,237,225,.16);
  border:1px solid rgba(244,237,225,.2);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%);
}
.page-contact .ct-strip__item{
  position:relative;
  min-width:0;
  padding:20px 44px 22px 22px;
  background:rgba(10,33,54,.5);
}
.page-contact .ct-strip__item::before{
  content:"";
  position:absolute;
  left:0;
  top:18px;
  bottom:18px;
  width:3px;
  background:var(--oy-green-soft);
}
.page-contact .ct-strip__item:nth-child(2)::before{background:var(--oy-ochre);}
.page-contact .ct-strip__item:nth-child(3)::before{background:var(--oy-navy-soft);}
.page-contact .ct-strip__key{
  display:block;
  margin-bottom:8px;
  font-size:var(--oy-fs-1);
  letter-spacing:.16em;
  color:var(--oy-green-soft);
}
.page-contact .ct-strip__val{
  display:block;
  font-family:var(--oy-mono);
  font-size:var(--oy-fs-3);
  line-height:1.5;
  color:var(--oy-cream);
  word-break:break-word;
  font-variant-numeric:tabular-nums;
}
.page-contact .ct-strip__note{
  display:block;
  margin-top:10px;
  font-size:var(--oy-fs-1);
  line-height:1.6;
  color:rgba(244,237,225,.62);
}
.page-contact .ct-strip__dot{
  position:absolute;
  top:22px;
  right:20px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--oy-green-soft);
  box-shadow:0 0 0 3px rgba(143,179,163,.22);
}

/* 页内锚点命令栏 */
.page-contact .ct-anchorbar{
  position:sticky;
  top:0;
  z-index:20;
  background:var(--oy-cream-deep);
  border-bottom:1px solid var(--oy-sand);
  box-shadow:0 10px 22px -22px rgba(15,46,76,.7);
}
.page-contact .ct-anchorbar__inner{
  display:flex;
  align-items:center;
  gap:4px;
  overflow-x:auto;
  padding-top:6px;
  padding-bottom:6px;
  scrollbar-width:none;
}
.page-contact .ct-anchorbar__inner::-webkit-scrollbar{display:none;}
.page-contact .ct-anchorbar__label{
  flex:0 0 auto;
  margin-right:6px;
  padding-right:12px;
  font-size:var(--oy-fs-1);
  letter-spacing:.18em;
  color:var(--oy-taupe);
  border-right:1px solid var(--oy-sand);
}
.page-contact .ct-anchorbar__link{
  flex:0 0 auto;
  padding:8px 12px;
  font-family:var(--oy-mono);
  font-size:var(--oy-fs-1);
  color:var(--oy-ink);
  text-decoration:none;
  border-left:2px solid transparent;
  transition:color .2s var(--oy-ease),background-color .2s var(--oy-ease),border-color .2s var(--oy-ease);
}
.page-contact .ct-anchorbar__link:hover,
.page-contact .ct-anchorbar__link:focus-visible{
  color:var(--oy-navy);
  background:rgba(15,46,76,.07);
  border-left-color:var(--oy-ochre);
}

/* 章节 */
.page-contact .ct-chapter{
  padding-top:clamp(40px,6.5vw,76px);
  scroll-margin-top:64px;
}
.page-contact .ct-chapter + .ct-chapter{
  margin-top:clamp(34px,5vw,62px);
  border-top:1px solid var(--oy-sand);
}
.page-contact .ct-chapter__head{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  column-gap:14px;
  align-items:baseline;
  margin-bottom:clamp(20px,3vw,32px);
}
.page-contact .ct-chapter__no{
  font-size:var(--oy-fs-2);
  letter-spacing:.08em;
  color:var(--oy-taupe);
  transition:color .25s var(--oy-ease),transform .25s var(--oy-ease);
}
.page-contact .ct-chapter.is-active .ct-chapter__no{
  color:var(--oy-navy);
  transform:translateY(-4px);
}
.page-contact .ct-chapter__title{
  margin:0;
  color:var(--oy-navy);
}
.page-contact .ct-chapter__lead{
  grid-column:2;
  margin:10px 0 0;
  max-width:34em;
  font-size:var(--oy-fs-2);
  color:var(--oy-taupe);
}

/* 咨询分流 */
.page-contact .ct-routing{
  display:grid;
  gap:clamp(20px,3vw,30px);
}
.page-contact .ct-routing__list{
  min-width:0;
}
.page-contact .ct-case{
  position:relative;
  margin-bottom:14px;
  background:#FBF6EC;
  border:1px solid var(--oy-sand);
  border-left-width:4px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);
  transition:background-color .2s var(--oy-ease);
}
.page-contact .ct-case:last-child{margin-bottom:0;}
.page-contact .ct-case--install{border-left-color:var(--oy-green);}
.page-contact .ct-case--fix{border-left-color:var(--oy-navy-soft);}
.page-contact .ct-case--coop{border-left-color:var(--oy-ochre);}
.page-contact .ct-case[open]{background:#FFFCF5;}
.page-contact .ct-case__summary{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:6px 12px;
  padding:16px 46px 16px 18px;
  cursor:pointer;
  list-style:none;
}
.page-contact .ct-case__summary::-webkit-details-marker{display:none;}
.page-contact .ct-case__summary::after{
  content:"+";
  position:absolute;
  right:18px;
  top:15px;
  font-family:var(--oy-mono);
  font-size:var(--oy-fs-4);
  line-height:1;
  color:var(--oy-taupe);
}
.page-contact .ct-case[open] .ct-case__summary::after{
  content:"–";
  color:var(--oy-navy);
}
.page-contact .ct-case__tag{
  font-size:var(--oy-fs-1);
  color:var(--oy-taupe);
}
.page-contact .ct-case__name{
  font-family:var(--oy-sans);
  font-weight:700;
  font-size:var(--oy-fs-4);
  color:var(--oy-ink);
}
.page-contact .ct-case__scope{
  flex:1 1 100%;
  font-size:var(--oy-fs-2);
  line-height:1.7;
  color:var(--oy-taupe);
}
.page-contact .ct-case__panel{
  padding:14px 18px 20px;
  border-top:1px dashed var(--oy-sand);
  font-size:var(--oy-fs-2);
}
.page-contact .ct-case__panel a{
  color:var(--oy-crimson);
  text-decoration:none;
  border-bottom:1px solid rgba(168,35,28,.35);
}
.page-contact .ct-case__panel a:hover{
  border-bottom-color:var(--oy-crimson);
}
.page-contact .ct-case__list{
  margin:0 0 12px;
  padding:0;
  list-style:none;
}
.page-contact .ct-case__list li{
  position:relative;
  padding-left:16px;
  margin-bottom:8px;
  line-height:1.7;
}
.page-contact .ct-case__list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.74em;
  width:6px;
  height:1px;
  background:var(--oy-taupe);
}
.page-contact .ct-case__edge{
  margin:0;
  padding:10px 12px;
  background:rgba(46,107,79,.08);
  border-left:2px solid var(--oy-green);
  font-size:var(--oy-fs-1);
  line-height:1.7;
  color:var(--oy-taupe);
}
.page-contact .ct-routing__fig{
  margin:0;
}
.page-contact .ct-routing__fig .oy-figure__frame{
  overflow:hidden;
  background:linear-gradient(155deg,var(--oy-navy) 0%,var(--oy-green) 100%);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%);
}
.page-contact .ct-routing__fig .oy-figure__img{
  display:block;
  width:100%;
  height:auto;
  opacity:.86;
  filter:saturate(.5) contrast(1.06);
}
.page-contact .ct-routing__fig .oy-figure__cap{
  display:block;
  margin-top:10px;
  font-family:var(--oy-mono);
  font-size:var(--oy-fs-1);
  line-height:1.6;
  color:var(--oy-taupe);
}

/* 响应节奏 */
.page-contact .ct-cadence{
  display:grid;
  gap:clamp(16px,2.5vw,24px);
}
.page-contact .ct-cadence__card{
  clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);
}
.page-contact .ct-cadence__list{
  margin:16px 0 0;
  padding:0;
  list-style:none;
}
.page-contact .ct-cadence__list li{
  padding:12px 0;
  border-top:1px solid var(--oy-sand);
  font-size:var(--oy-fs-2);
  line-height:1.7;
}
.page-contact .ct-cadence__num{
  display:block;
  margin-bottom:4px;
  font-family:var(--oy-mono);
  font-size:var(--oy-fs-1);
  letter-spacing:.04em;
  color:var(--oy-green);
  font-variant-numeric:tabular-nums;
}
.page-contact .ct-cadence__list--dark li{
  border-top-color:rgba(244,237,225,.2);
  color:rgba(244,237,225,.86);
}
.page-contact .ct-cadence__list--dark .ct-cadence__num{
  color:var(--oy-green-soft);
}
.page-contact .ct-cadence__note{
  margin:14px 0 0;
  font-size:var(--oy-fs-1);
  line-height:1.7;
  color:rgba(244,237,225,.62);
}

/* 地址 */
.page-contact .ct-address{
  display:grid;
  gap:clamp(16px,2.5vw,22px);
}
.page-contact .ct-address__line{
  margin:0;
  padding:18px 20px 18px 24px;
  font-size:var(--oy-fs-4);
  line-height:1.5;
  color:var(--oy-cream);
  background:linear-gradient(120deg,var(--oy-navy) 0%,var(--oy-navy-soft) 100%);
  border-left:4px solid var(--oy-ochre);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);
  word-break:break-word;
  font-variant-numeric:tabular-nums;
}
.page-contact .ct-address__note{
  margin:0;
}
.page-contact .ct-address__links{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:8px;
}
.page-contact .ct-address__links li{
  position:relative;
  padding-left:18px;
  font-size:var(--oy-fs-2);
  line-height:1.7;
  color:var(--oy-taupe);
}
.page-contact .ct-address__links li::before{
  content:"";
  position:absolute;
  left:0;
  top:.75em;
  width:8px;
  height:1px;
  background:var(--oy-ochre);
}
.page-contact .ct-address__links a{
  color:var(--oy-crimson);
  text-decoration:none;
  border-bottom:1px solid rgba(168,35,28,.35);
}
.page-contact .ct-address__links a:hover{
  border-bottom-color:var(--oy-crimson);
}

/* 提交准备 */
.page-contact .ct-tablewrap{
  overflow-x:auto;
  border:1px solid var(--oy-sand);
  background:#FBF6EC;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);
}
.page-contact .ct-table{
  width:100%;
  min-width:520px;
  border-collapse:collapse;
  font-size:var(--oy-fs-2);
}
.page-contact .ct-table__cap{
  caption-side:top;
  padding:14px 16px 10px;
  text-align:left;
  font-family:var(--oy-mono);
  font-size:var(--oy-fs-1);
  letter-spacing:.1em;
  color:var(--oy-taupe);
}
.page-contact .ct-table thead th{
  padding:8px 16px;
  text-align:left;
  font-family:var(--oy-sans);
  font-size:var(--oy-fs-1);
  font-weight:700;
  letter-spacing:.1em;
  color:var(--oy-navy);
  background:var(--oy-cream-deep);
  border-bottom:2px solid var(--oy-ochre);
  white-space:nowrap;
}
.page-contact .ct-table td{
  padding:12px 16px;
  vertical-align:top;
  line-height:1.7;
  border-bottom:1px solid var(--oy-sand);
}
.page-contact .ct-table tbody tr:last-child td{
  border-bottom:0;
}
.page-contact .ct-table__key{
  font-weight:700;
  color:var(--oy-navy);
  white-space:nowrap;
}
.page-contact .ct-table__val{
  color:var(--oy-green);
  text-align:right;
  white-space:nowrap;
  font-variant-numeric:tabular-nums;
}

.page-contact .ct-check{
  margin-top:clamp(20px,3vw,30px);
  padding:20px;
  background:var(--oy-cream-deep);
  border:1px solid var(--oy-sand);
  border-left:4px solid var(--oy-green);
}
.page-contact .ct-check__title{
  margin:0 0 14px;
  font-family:var(--oy-sans);
  font-weight:700;
  font-size:var(--oy-fs-4);
  color:var(--oy-navy);
}
.page-contact .ct-checklist{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:2px;
}
.page-contact .ct-check__item{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:10px 8px;
  font-size:var(--oy-fs-2);
  line-height:1.65;
  cursor:pointer;
  transition:background-color .18s var(--oy-ease);
}
.page-contact .ct-check__item:hover{
  background:rgba(15,46,76,.05);
}
.page-contact .ct-check__item input{
  flex:0 0 auto;
  width:16px;
  height:16px;
  margin-top:.32em;
  accent-color:var(--oy-green);
}
.page-contact .ct-check__item input:checked + span{
  color:var(--oy-taupe);
  text-decoration:line-through;
  text-decoration-color:var(--oy-green-soft);
}
.page-contact .ct-check__tail{
  margin:14px 0 0;
  font-size:var(--oy-fs-1);
  line-height:1.7;
  color:var(--oy-taupe);
}

/* 平板与桌面 */
@media (min-width:760px){
  .page-contact .ct-strip{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
  .page-contact .ct-cadence{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (min-width:1000px){
  .page-contact .ct-routing{
    grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);
    align-items:start;
  }
  .page-contact .ct-routing__fig{
    position:sticky;
    top:74px;
  }
  .page-contact .ct-address{
    grid-template-columns:minmax(0,7fr) minmax(0,4fr);
    align-items:start;
  }
  .page-contact .ct-address__line{
    grid-column:1 / -1;
  }
  .page-contact .ct-address__note{
    grid-column:2;
    grid-row:2 / span 2;
  }
  .page-contact .ct-address__links{
    grid-column:1;
  }
  .page-contact .ct-chapter__title{
    font-size:var(--oy-fs-6);
  }
}

@media (min-width:1200px){
  .page-contact .ct-strip__val{
    font-size:var(--oy-fs-4);
  }
}

/* 减少动效 */
@media (prefers-reduced-motion:reduce){
  .page-contact .ct-chapter__no,
  .page-contact .ct-anchorbar__link,
  .page-contact .ct-case,
  .page-contact .ct-check__item{
    transition:none;
  }
  .page-contact .ct-chapter.is-active .ct-chapter__no{
    transform:none;
  }
}